zfs.c revision ec9f632e53cc822267588170e45d89b9dc72153f
fa9e4066f08beec538e775443c5be79dd423fcabahrens/*
fa9e4066f08beec538e775443c5be79dd423fcabahrens * CDDL HEADER START
fa9e4066f08beec538e775443c5be79dd423fcabahrens *
fa9e4066f08beec538e775443c5be79dd423fcabahrens * The contents of this file are subject to the terms of the
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * Common Development and Distribution License (the "License").
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * You may not use this file except in compliance with the License.
fa9e4066f08beec538e775443c5be79dd423fcabahrens *
fa9e4066f08beec538e775443c5be79dd423fcabahrens * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
fa9e4066f08beec538e775443c5be79dd423fcabahrens * or http://www.opensolaris.org/os/licensing.
fa9e4066f08beec538e775443c5be79dd423fcabahrens * See the License for the specific language governing permissions
fa9e4066f08beec538e775443c5be79dd423fcabahrens * and limitations under the License.
fa9e4066f08beec538e775443c5be79dd423fcabahrens *
fa9e4066f08beec538e775443c5be79dd423fcabahrens * When distributing Covered Code, include this CDDL HEADER in each
fa9e4066f08beec538e775443c5be79dd423fcabahrens * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
fa9e4066f08beec538e775443c5be79dd423fcabahrens * If applicable, add the following below this CDDL HEADER, with the
fa9e4066f08beec538e775443c5be79dd423fcabahrens * fields enclosed by brackets "[]" replaced with your own identifying
fa9e4066f08beec538e775443c5be79dd423fcabahrens * information: Portions Copyright [yyyy] [name of copyright owner]
fa9e4066f08beec538e775443c5be79dd423fcabahrens *
fa9e4066f08beec538e775443c5be79dd423fcabahrens * CDDL HEADER END
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
fa9e4066f08beec538e775443c5be79dd423fcabahrens/*
1ab7f2ded02e7a1bc3c73516eb27efa79bf2a2ffmaybee * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
fa9e4066f08beec538e775443c5be79dd423fcabahrens * Use is subject to license terms.
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <mdb/mdb_ctf.h>
fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/zfs_context.h>
fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/mdb_modapi.h>
fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/dbuf.h>
fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/dmu_objset.h>
fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/dsl_dir.h>
fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/dsl_pool.h>
fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/metaslab_impl.h>
fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/space_map.h>
fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/list.h>
fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/spa_impl.h>
fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/vdev_impl.h>
fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/zio_compress.h>
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens#ifndef _KERNEL
fa9e4066f08beec538e775443c5be79dd423fcabahrens#include "../genunix/list.h"
fa9e4066f08beec538e775443c5be79dd423fcabahrens#endif
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens#ifdef _KERNEL
fa9e4066f08beec538e775443c5be79dd423fcabahrens#define ZFS_OBJ_NAME "zfs"
fa9e4066f08beec538e775443c5be79dd423fcabahrens#else
fa9e4066f08beec538e775443c5be79dd423fcabahrens#define ZFS_OBJ_NAME "libzpool.so.1"
fa9e4066f08beec538e775443c5be79dd423fcabahrens#endif
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic char *
fa9e4066f08beec538e775443c5be79dd423fcabahrenslocal_strdup(const char *s)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
fa9e4066f08beec538e775443c5be79dd423fcabahrens char *s1 = mdb_alloc(strlen(s) + 1, UM_SLEEP);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens (void) strcpy(s1, s);
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (s1);
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic int
fa9e4066f08beec538e775443c5be79dd423fcabahrensgetmember(uintptr_t addr, const char *type, mdb_ctf_id_t *idp,
fa9e4066f08beec538e775443c5be79dd423fcabahrens const char *member, int len, void *buf)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_ctf_id_t id;
fa9e4066f08beec538e775443c5be79dd423fcabahrens ulong_t off;
fa9e4066f08beec538e775443c5be79dd423fcabahrens char name[64];
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (idp == NULL) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (mdb_ctf_lookup_by_name(type, &id) == -1) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_warn("couldn't find type %s", type);
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_ERR);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens idp = &id;
fa9e4066f08beec538e775443c5be79dd423fcabahrens } else {
fa9e4066f08beec538e775443c5be79dd423fcabahrens type = name;
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_ctf_type_name(*idp, name, sizeof (name));
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (mdb_ctf_offsetof(*idp, member, &off) == -1) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_warn("couldn't find member %s of type %s\n", member, type);
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_ERR);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (off % 8 != 0) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_warn("member %s of type %s is unsupported bitfield",
fa9e4066f08beec538e775443c5be79dd423fcabahrens member, type);
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_ERR);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens off /= 8;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (mdb_vread(buf, len, addr + off) == -1) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_warn("failed to read %s from %s at %p",
fa9e4066f08beec538e775443c5be79dd423fcabahrens member, type, addr + off);
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_ERR);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens /* mdb_warn("read %s from %s at %p+%llx\n", member, type, addr, off); */
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (0);
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens#define GETMEMB(addr, type, member, dest) \
fa9e4066f08beec538e775443c5be79dd423fcabahrens getmember(addr, #type, NULL, #member, sizeof (dest), &(dest))
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens#define GETMEMBID(addr, ctfid, member, dest) \
fa9e4066f08beec538e775443c5be79dd423fcabahrens getmember(addr, NULL, ctfid, #member, sizeof (dest), &(dest))
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic int
fa9e4066f08beec538e775443c5be79dd423fcabahrensgetrefcount(uintptr_t addr, mdb_ctf_id_t *id,
fa9e4066f08beec538e775443c5be79dd423fcabahrens const char *member, uint64_t *rc)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
fa9e4066f08beec538e775443c5be79dd423fcabahrens static int gotid;
fa9e4066f08beec538e775443c5be79dd423fcabahrens static mdb_ctf_id_t rc_id;
fa9e4066f08beec538e775443c5be79dd423fcabahrens ulong_t off;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (!gotid) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (mdb_ctf_lookup_by_name("struct refcount", &rc_id) == -1) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_warn("couldn't find struct refcount");
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_ERR);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens gotid = TRUE;
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (mdb_ctf_offsetof(*id, member, &off) == -1) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens char name[64];
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_ctf_type_name(*id, name, sizeof (name));
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_warn("couldn't find member %s of type %s\n", member, name);
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_ERR);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens off /= 8;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (GETMEMBID(addr + off, &rc_id, rc_count, *rc));
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic int
fa9e4066f08beec538e775443c5be79dd423fcabahrensread_symbol(char *sym_name, void **bufp)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
fa9e4066f08beec538e775443c5be79dd423fcabahrens GElf_Sym sym;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (mdb_lookup_by_obj(MDB_TGT_OBJ_EVERY, sym_name, &sym)) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_warn("can't find symbol %s", sym_name);
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_ERR);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens *bufp = mdb_alloc(sym.st_size, UM_SLEEP);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (mdb_vread(*bufp, sym.st_size, sym.st_value) == -1) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_warn("can't read data for symbol %s", sym_name);
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_free(*bufp, sym.st_size);
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_ERR);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_OK);
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic int verbose;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic int
fa9e4066f08beec538e775443c5be79dd423fcabahrensfreelist_walk_init(mdb_walk_state_t *wsp)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (wsp->walk_addr == NULL) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_warn("must supply starting address\n");
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (WALK_ERR);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens wsp->walk_data = 0; /* Index into the freelist */
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (WALK_NEXT);
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic int
fa9e4066f08beec538e775443c5be79dd423fcabahrensfreelist_walk_step(mdb_walk_state_t *wsp)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
fa9e4066f08beec538e775443c5be79dd423fcabahrens uint64_t entry;
fa9e4066f08beec538e775443c5be79dd423fcabahrens uintptr_t number = (uintptr_t)wsp->walk_data;
8053a26377fa80614ba5221e12b86aab4e8a675eck char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID",
8053a26377fa80614ba5221e12b86aab4e8a675eck "INVALID", "INVALID", "INVALID", "INVALID" };
fa9e4066f08beec538e775443c5be79dd423fcabahrens int mapshift = SPA_MINBLOCKSHIFT;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (mdb_vread(&entry, sizeof (entry), wsp->walk_addr) == -1) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_warn("failed to read freelist entry %p", wsp->walk_addr);
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (WALK_DONE);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens wsp->walk_addr += sizeof (entry);
fa9e4066f08beec538e775443c5be79dd423fcabahrens wsp->walk_data = (void *)(number + 1);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (SM_DEBUG_DECODE(entry)) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("DEBUG: %3u %10s: txg=%llu pass=%llu\n",
fa9e4066f08beec538e775443c5be79dd423fcabahrens number,
fa9e4066f08beec538e775443c5be79dd423fcabahrens ddata[SM_DEBUG_ACTION_DECODE(entry)],
fa9e4066f08beec538e775443c5be79dd423fcabahrens SM_DEBUG_TXG_DECODE(entry),
fa9e4066f08beec538e775443c5be79dd423fcabahrens SM_DEBUG_SYNCPASS_DECODE(entry));
fa9e4066f08beec538e775443c5be79dd423fcabahrens } else {
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("Entry: %3u offsets=%08llx-%08llx type=%c "
fa9e4066f08beec538e775443c5be79dd423fcabahrens "size=%06llx", number,
fa9e4066f08beec538e775443c5be79dd423fcabahrens SM_OFFSET_DECODE(entry) << mapshift,
fa9e4066f08beec538e775443c5be79dd423fcabahrens (SM_OFFSET_DECODE(entry) + SM_RUN_DECODE(entry)) <<
fa9e4066f08beec538e775443c5be79dd423fcabahrens mapshift,
fa9e4066f08beec538e775443c5be79dd423fcabahrens SM_TYPE_DECODE(entry) == SM_ALLOC ? 'A' : 'F',
fa9e4066f08beec538e775443c5be79dd423fcabahrens SM_RUN_DECODE(entry) << mapshift);
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (verbose)
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf(" (raw=%012llx)\n", entry);
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("\n");
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (WALK_NEXT);
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic int
fa9e4066f08beec538e775443c5be79dd423fcabahrensdataset_name(uintptr_t addr, char *buf)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
fa9e4066f08beec538e775443c5be79dd423fcabahrens static int gotid;
fa9e4066f08beec538e775443c5be79dd423fcabahrens static mdb_ctf_id_t dd_id;
fa9e4066f08beec538e775443c5be79dd423fcabahrens uintptr_t dd_parent;
fa9e4066f08beec538e775443c5be79dd423fcabahrens char dd_myname[MAXNAMELEN];
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (!gotid) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (mdb_ctf_lookup_by_name("struct dsl_dir",
fa9e4066f08beec538e775443c5be79dd423fcabahrens &dd_id) == -1) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_warn("couldn't find struct dsl_dir");
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_ERR);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens gotid = TRUE;
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (GETMEMBID(addr, &dd_id, dd_parent, dd_parent) ||
fa9e4066f08beec538e775443c5be79dd423fcabahrens GETMEMBID(addr, &dd_id, dd_myname, dd_myname)) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_ERR);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (dd_parent) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (dataset_name(dd_parent, buf))
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_ERR);
fa9e4066f08beec538e775443c5be79dd423fcabahrens strcat(buf, "/");
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (dd_myname[0])
fa9e4066f08beec538e775443c5be79dd423fcabahrens strcat(buf, dd_myname);
fa9e4066f08beec538e775443c5be79dd423fcabahrens else
fa9e4066f08beec538e775443c5be79dd423fcabahrens strcat(buf, "???");
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (0);
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic int
fa9e4066f08beec538e775443c5be79dd423fcabahrensobjset_name(uintptr_t addr, char *buf)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
fa9e4066f08beec538e775443c5be79dd423fcabahrens static int gotid;
fa9e4066f08beec538e775443c5be79dd423fcabahrens static mdb_ctf_id_t osi_id, ds_id;
fa9e4066f08beec538e775443c5be79dd423fcabahrens uintptr_t os_dsl_dataset;
fa9e4066f08beec538e775443c5be79dd423fcabahrens char ds_snapname[MAXNAMELEN];
fa9e4066f08beec538e775443c5be79dd423fcabahrens uintptr_t ds_dir;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens buf[0] = '\0';
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (!gotid) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (mdb_ctf_lookup_by_name("struct objset_impl",
fa9e4066f08beec538e775443c5be79dd423fcabahrens &osi_id) == -1) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_warn("couldn't find struct objset_impl");
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_ERR);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (mdb_ctf_lookup_by_name("struct dsl_dataset",
fa9e4066f08beec538e775443c5be79dd423fcabahrens &ds_id) == -1) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_warn("couldn't find struct dsl_dataset");
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_ERR);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens gotid = TRUE;
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (GETMEMBID(addr, &osi_id, os_dsl_dataset, os_dsl_dataset))
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_ERR);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (os_dsl_dataset == 0) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens strcat(buf, "mos");
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (0);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (GETMEMBID(os_dsl_dataset, &ds_id, ds_snapname, ds_snapname) ||
fa9e4066f08beec538e775443c5be79dd423fcabahrens GETMEMBID(os_dsl_dataset, &ds_id, ds_dir, ds_dir)) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_ERR);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (ds_dir && dataset_name(ds_dir, buf))
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_ERR);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (ds_snapname[0]) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens strcat(buf, "@");
fa9e4066f08beec538e775443c5be79dd423fcabahrens strcat(buf, ds_snapname);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (0);
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic void
fa9e4066f08beec538e775443c5be79dd423fcabahrensenum_lookup(char *out, size_t size, mdb_ctf_id_t id, int val,
fa9e4066f08beec538e775443c5be79dd423fcabahrens const char *prefix)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
fa9e4066f08beec538e775443c5be79dd423fcabahrens const char *cp;
fa9e4066f08beec538e775443c5be79dd423fcabahrens size_t len = strlen(prefix);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if ((cp = mdb_ctf_enum_name(id, val)) != NULL) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (strncmp(cp, prefix, len) == 0)
fa9e4066f08beec538e775443c5be79dd423fcabahrens cp += len;
fa9e4066f08beec538e775443c5be79dd423fcabahrens (void) strncpy(out, cp, size);
fa9e4066f08beec538e775443c5be79dd423fcabahrens } else {
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_snprintf(out, size, "? (%d)", val);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens/* ARGSUSED */
fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic int
fa9e4066f08beec538e775443c5be79dd423fcabahrenszio_pipeline(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_ctf_id_t pipe_enum;
fa9e4066f08beec538e775443c5be79dd423fcabahrens int i;
fa9e4066f08beec538e775443c5be79dd423fcabahrens char stage[1024];
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (mdb_ctf_lookup_by_name("enum zio_stage", &pipe_enum) == -1) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_warn("Could not find enum zio_stage");
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_ERR);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens for (i = 0; i < 32; i++) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (addr & (1U << i)) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens enum_lookup(stage, sizeof (stage), pipe_enum, i,
fa9e4066f08beec538e775443c5be79dd423fcabahrens "ZIO_STAGE_");
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf(" %s\n", stage);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_OK);
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens/* ARGSUSED */
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrensstatic int
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrenszfs_params(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens{
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens /*
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens * This table can be approximately generated by running:
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens * egrep "^[a-z0-9_]+ [a-z0-9_]+( =.*)?;" *.c | cut -d ' ' -f 2
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens */
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens static const char *params[] = {
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens "arc_reduce_dnlc_percent",
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens "zfs_arc_max",
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens "zfs_arc_min",
49e3519a3f3d730d3bd8870c05aaed24d89cf272maybee "arc_shrink_shift",
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens "zfs_mdcomp_disable",
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens "zfs_prefetch_disable",
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens "zfetch_max_streams",
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens "zfetch_min_sec_reap",
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens "zfetch_block_cap",
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens "zfetch_array_rd_sz",
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens "zfs_default_bs",
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens "zfs_default_ibs",
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens "metaslab_aliquot",
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens "reference_tracking_enable",
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens "reference_history",
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens "zio_taskq_threads",
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens "spa_max_replication_override",
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens "spa_mode",
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens "zfs_flags",
1ab7f2ded02e7a1bc3c73516eb27efa79bf2a2ffmaybee "zfs_txg_synctime",
1ab7f2ded02e7a1bc3c73516eb27efa79bf2a2ffmaybee "zfs_txg_timeout",
1ab7f2ded02e7a1bc3c73516eb27efa79bf2a2ffmaybee "zfs_write_limit_min",
1ab7f2ded02e7a1bc3c73516eb27efa79bf2a2ffmaybee "zfs_write_limit_max",
1ab7f2ded02e7a1bc3c73516eb27efa79bf2a2ffmaybee "zfs_write_limit_shift",
1ab7f2ded02e7a1bc3c73516eb27efa79bf2a2ffmaybee "zfs_write_limit_override",
1ab7f2ded02e7a1bc3c73516eb27efa79bf2a2ffmaybee "zfs_no_write_throttle",
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens "zfs_vdev_cache_max",
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens "zfs_vdev_cache_size",
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens "zfs_vdev_cache_bshift",
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens "vdev_mirror_shift",
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens "zfs_vdev_max_pending",
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens "zfs_vdev_min_pending",
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens "zfs_scrub_limit",
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens "zfs_vdev_time_shift",
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens "zfs_vdev_ramp_rate",
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens "zfs_vdev_aggregation_limit",
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens "fzap_default_block_shift",
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens "zfs_immediate_write_sz",
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens "zfs_read_chunk_size",
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens "zil_disable",
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens "zfs_nocacheflush",
1ab7f2ded02e7a1bc3c73516eb27efa79bf2a2ffmaybee "metaslab_gang_bang",
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens "zio_injection_enabled",
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens "zvol_immediate_write_sz",
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens };
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens int i;
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens for (i = 0; i < sizeof (params) / sizeof (params[0]); i++) {
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens int sz;
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens uint64_t val64;
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens uint32_t *val32p = (uint32_t *)&val64;
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens sz = mdb_readvar(&val64, params[i]);
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens if (sz == 4) {
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens mdb_printf("%s = 0x%x\n", params[i], *val32p);
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens } else if (sz == 8) {
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens mdb_printf("%s = 0x%llx\n", params[i], val64);
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens } else {
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens mdb_warn("variable %s not found", params[i]);
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens }
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens }
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens return (DCMD_OK);
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens}
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens/* ARGSUSED */
fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic int
fa9e4066f08beec538e775443c5be79dd423fcabahrensblkptr(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
fa9e4066f08beec538e775443c5be79dd423fcabahrens blkptr_t bp;
fa9e4066f08beec538e775443c5be79dd423fcabahrens dmu_object_type_info_t *doti;
fa9e4066f08beec538e775443c5be79dd423fcabahrens zio_compress_info_t *zct;
fa9e4066f08beec538e775443c5be79dd423fcabahrens zio_checksum_info_t *zci;
fa9e4066f08beec538e775443c5be79dd423fcabahrens int i;
fa9e4066f08beec538e775443c5be79dd423fcabahrens char buf[MAXPATHLEN];
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (mdb_vread(&bp, sizeof (blkptr_t), addr) == -1) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_warn("failed to read blkptr_t");
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_ERR);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (read_symbol("dmu_ot", (void **)&doti) != DCMD_OK)
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_ERR);
fa9e4066f08beec538e775443c5be79dd423fcabahrens for (i = 0; i < DMU_OT_NUMTYPES; i++) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_readstr(buf, sizeof (buf), (uintptr_t)doti[i].ot_name);
fa9e4066f08beec538e775443c5be79dd423fcabahrens doti[i].ot_name = local_strdup(buf);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (read_symbol("zio_checksum_table", (void **)&zci) != DCMD_OK)
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_ERR);
fa9e4066f08beec538e775443c5be79dd423fcabahrens for (i = 0; i < ZIO_CHECKSUM_FUNCTIONS; i++) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_readstr(buf, sizeof (buf), (uintptr_t)zci[i].ci_name);
fa9e4066f08beec538e775443c5be79dd423fcabahrens zci[i].ci_name = local_strdup(buf);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (read_symbol("zio_compress_table", (void **)&zct) != DCMD_OK)
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_ERR);
fa9e4066f08beec538e775443c5be79dd423fcabahrens for (i = 0; i < ZIO_COMPRESS_FUNCTIONS; i++) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_readstr(buf, sizeof (buf), (uintptr_t)zct[i].ci_name);
fa9e4066f08beec538e775443c5be79dd423fcabahrens zct[i].ci_name = local_strdup(buf);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
44cd46cadd9aab751dae6a4023c1cb5bf316d274billm /*
44cd46cadd9aab751dae6a4023c1cb5bf316d274billm * Super-ick warning: This code is also duplicated in
44cd46cadd9aab751dae6a4023c1cb5bf316d274billm * cmd/zdb.c . Yeah, I hate code replication, too.
44cd46cadd9aab751dae6a4023c1cb5bf316d274billm */
44cd46cadd9aab751dae6a4023c1cb5bf316d274billm for (i = 0; i < BP_GET_NDVAS(&bp); i++) {
ecc2d604e885a75cc75e647b5641af99d5a6f4a6bonwick dva_t *dva = &bp.blk_dva[i];
44cd46cadd9aab751dae6a4023c1cb5bf316d274billm
44cd46cadd9aab751dae6a4023c1cb5bf316d274billm mdb_printf("DVA[%d]: vdev_id %lld / %llx\n", i,
44cd46cadd9aab751dae6a4023c1cb5bf316d274billm DVA_GET_VDEV(dva), DVA_GET_OFFSET(dva));
44cd46cadd9aab751dae6a4023c1cb5bf316d274billm mdb_printf("DVA[%d]: GANG: %-5s GRID: %04x\t"
44cd46cadd9aab751dae6a4023c1cb5bf316d274billm "ASIZE: %llx\n", i, DVA_GET_GANG(dva) ? "TRUE" : "FALSE",
44cd46cadd9aab751dae6a4023c1cb5bf316d274billm DVA_GET_GRID(dva), DVA_GET_ASIZE(dva));
44cd46cadd9aab751dae6a4023c1cb5bf316d274billm mdb_printf("DVA[%d]: :%llu:%llx:%llx:%s%s%s%s\n", i,
44cd46cadd9aab751dae6a4023c1cb5bf316d274billm DVA_GET_VDEV(dva), DVA_GET_OFFSET(dva), BP_GET_PSIZE(&bp),
44cd46cadd9aab751dae6a4023c1cb5bf316d274billm BP_SHOULD_BYTESWAP(&bp) ? "e" : "",
44cd46cadd9aab751dae6a4023c1cb5bf316d274billm !DVA_GET_GANG(dva) && BP_GET_LEVEL(&bp) != 0 ? "i" : "",
44cd46cadd9aab751dae6a4023c1cb5bf316d274billm DVA_GET_GANG(dva) ? "g" : "",
44cd46cadd9aab751dae6a4023c1cb5bf316d274billm BP_GET_COMPRESS(&bp) != 0 ? "d" : "");
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("LSIZE: %-16llx\t\tPSIZE: %llx\n",
fa9e4066f08beec538e775443c5be79dd423fcabahrens BP_GET_LSIZE(&bp), BP_GET_PSIZE(&bp));
44cd46cadd9aab751dae6a4023c1cb5bf316d274billm mdb_printf("ENDIAN: %6s\t\t\t\t\tTYPE: %s\n",
fa9e4066f08beec538e775443c5be79dd423fcabahrens BP_GET_BYTEORDER(&bp) ? "LITTLE" : "BIG",
fa9e4066f08beec538e775443c5be79dd423fcabahrens doti[BP_GET_TYPE(&bp)].ot_name);
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("BIRTH: %-16llx LEVEL: %-2d\tFILL: %llx\n",
fa9e4066f08beec538e775443c5be79dd423fcabahrens bp.blk_birth, BP_GET_LEVEL(&bp), bp.blk_fill);
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("CKFUNC: %-16s\t\tCOMP: %s\n",
fa9e4066f08beec538e775443c5be79dd423fcabahrens zci[BP_GET_CHECKSUM(&bp)].ci_name,
fa9e4066f08beec538e775443c5be79dd423fcabahrens zct[BP_GET_COMPRESS(&bp)].ci_name);
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("CKSUM: %llx:%llx:%llx:%llx\n",
fa9e4066f08beec538e775443c5be79dd423fcabahrens bp.blk_cksum.zc_word[0],
fa9e4066f08beec538e775443c5be79dd423fcabahrens bp.blk_cksum.zc_word[1],
fa9e4066f08beec538e775443c5be79dd423fcabahrens bp.blk_cksum.zc_word[2],
fa9e4066f08beec538e775443c5be79dd423fcabahrens bp.blk_cksum.zc_word[3]);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_OK);
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens/* ARGSUSED */
fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic int
fa9e4066f08beec538e775443c5be79dd423fcabahrensdbuf(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_ctf_id_t id;
fa9e4066f08beec538e775443c5be79dd423fcabahrens dmu_buf_t db;
fa9e4066f08beec538e775443c5be79dd423fcabahrens uintptr_t objset;
fa9e4066f08beec538e775443c5be79dd423fcabahrens uint8_t level;
fa9e4066f08beec538e775443c5be79dd423fcabahrens uint64_t blkid;
fa9e4066f08beec538e775443c5be79dd423fcabahrens uint64_t holds;
fa9e4066f08beec538e775443c5be79dd423fcabahrens char objectname[32];
fa9e4066f08beec538e775443c5be79dd423fcabahrens char blkidname[32];
fa9e4066f08beec538e775443c5be79dd423fcabahrens char path[MAXNAMELEN];
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (DCMD_HDRSPEC(flags)) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf(" addr object lvl blkid holds os\n");
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (mdb_ctf_lookup_by_name("struct dmu_buf_impl", &id) == -1) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_warn("couldn't find struct dmu_buf_impl_t");
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_ERR);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (GETMEMBID(addr, &id, db_objset, objset) ||
fa9e4066f08beec538e775443c5be79dd423fcabahrens GETMEMBID(addr, &id, db, db) ||
fa9e4066f08beec538e775443c5be79dd423fcabahrens GETMEMBID(addr, &id, db_level, level) ||
fa9e4066f08beec538e775443c5be79dd423fcabahrens GETMEMBID(addr, &id, db_blkid, blkid)) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (WALK_ERR);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (getrefcount(addr, &id, "db_holds", &holds)) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (WALK_ERR);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (db.db_object == DMU_META_DNODE_OBJECT)
fa9e4066f08beec538e775443c5be79dd423fcabahrens (void) strcpy(objectname, "mdn");
fa9e4066f08beec538e775443c5be79dd423fcabahrens else
fa9e4066f08beec538e775443c5be79dd423fcabahrens (void) mdb_snprintf(objectname, sizeof (objectname), "%llx",
fa9e4066f08beec538e775443c5be79dd423fcabahrens (u_longlong_t)db.db_object);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (blkid == DB_BONUS_BLKID)
fa9e4066f08beec538e775443c5be79dd423fcabahrens (void) strcpy(blkidname, "bonus");
fa9e4066f08beec538e775443c5be79dd423fcabahrens else
fa9e4066f08beec538e775443c5be79dd423fcabahrens (void) mdb_snprintf(blkidname, sizeof (blkidname), "%llx",
fa9e4066f08beec538e775443c5be79dd423fcabahrens (u_longlong_t)blkid);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (objset_name(objset, path)) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (WALK_ERR);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("%p %8s %1u %9s %2llu %s\n",
fa9e4066f08beec538e775443c5be79dd423fcabahrens addr, objectname, level, blkidname, holds, path);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_OK);
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens/* ARGSUSED */
fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic int
fa9e4066f08beec538e775443c5be79dd423fcabahrensdbuf_stats(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
fa9e4066f08beec538e775443c5be79dd423fcabahrens#define HISTOSZ 32
fa9e4066f08beec538e775443c5be79dd423fcabahrens uintptr_t dbp;
fa9e4066f08beec538e775443c5be79dd423fcabahrens dmu_buf_impl_t db;
fa9e4066f08beec538e775443c5be79dd423fcabahrens dbuf_hash_table_t ht;
fa9e4066f08beec538e775443c5be79dd423fcabahrens uint64_t bucket, ndbufs;
fa9e4066f08beec538e775443c5be79dd423fcabahrens uint64_t histo[HISTOSZ];
fa9e4066f08beec538e775443c5be79dd423fcabahrens uint64_t histo2[HISTOSZ];
fa9e4066f08beec538e775443c5be79dd423fcabahrens int i, maxidx;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (mdb_readvar(&ht, "dbuf_hash_table") == -1) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_warn("failed to read 'dbuf_hash_table'");
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_ERR);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens for (i = 0; i < HISTOSZ; i++) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens histo[i] = 0;
fa9e4066f08beec538e775443c5be79dd423fcabahrens histo2[i] = 0;
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens ndbufs = 0;
fa9e4066f08beec538e775443c5be79dd423fcabahrens for (bucket = 0; bucket < ht.hash_table_mask+1; bucket++) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens int len;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (mdb_vread(&dbp, sizeof (void *),
fa9e4066f08beec538e775443c5be79dd423fcabahrens (uintptr_t)(ht.hash_table+bucket)) == -1) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_warn("failed to read hash bucket %u at %p",
fa9e4066f08beec538e775443c5be79dd423fcabahrens bucket, ht.hash_table+bucket);
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_ERR);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens len = 0;
fa9e4066f08beec538e775443c5be79dd423fcabahrens while (dbp != 0) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (mdb_vread(&db, sizeof (dmu_buf_impl_t),
fa9e4066f08beec538e775443c5be79dd423fcabahrens dbp) == -1) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_warn("failed to read dbuf at %p", dbp);
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_ERR);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens dbp = (uintptr_t)db.db_hash_next;
fa9e4066f08beec538e775443c5be79dd423fcabahrens for (i = MIN(len, HISTOSZ - 1); i >= 0; i--)
fa9e4066f08beec538e775443c5be79dd423fcabahrens histo2[i]++;
fa9e4066f08beec538e775443c5be79dd423fcabahrens len++;
fa9e4066f08beec538e775443c5be79dd423fcabahrens ndbufs++;
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (len >= HISTOSZ)
fa9e4066f08beec538e775443c5be79dd423fcabahrens len = HISTOSZ-1;
fa9e4066f08beec538e775443c5be79dd423fcabahrens histo[len]++;
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("hash table has %llu buckets, %llu dbufs "
fa9e4066f08beec538e775443c5be79dd423fcabahrens "(avg %llu buckets/dbuf)\n",
fa9e4066f08beec538e775443c5be79dd423fcabahrens ht.hash_table_mask+1, ndbufs,
fa9e4066f08beec538e775443c5be79dd423fcabahrens (ht.hash_table_mask+1)/ndbufs);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("\n");
fa9e4066f08beec538e775443c5be79dd423fcabahrens maxidx = 0;
fa9e4066f08beec538e775443c5be79dd423fcabahrens for (i = 0; i < HISTOSZ; i++)
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (histo[i] > 0)
fa9e4066f08beec538e775443c5be79dd423fcabahrens maxidx = i;
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("hash chain length number of buckets\n");
fa9e4066f08beec538e775443c5be79dd423fcabahrens for (i = 0; i <= maxidx; i++)
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("%u %llu\n", i, histo[i]);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("\n");
fa9e4066f08beec538e775443c5be79dd423fcabahrens maxidx = 0;
fa9e4066f08beec538e775443c5be79dd423fcabahrens for (i = 0; i < HISTOSZ; i++)
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (histo2[i] > 0)
fa9e4066f08beec538e775443c5be79dd423fcabahrens maxidx = i;
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("hash chain depth number of dbufs\n");
fa9e4066f08beec538e775443c5be79dd423fcabahrens for (i = 0; i <= maxidx; i++)
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("%u or more %llu %llu%%\n",
fa9e4066f08beec538e775443c5be79dd423fcabahrens i, histo2[i], histo2[i]*100/ndbufs);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_OK);
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrenstypedef struct dbufs_data {
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_ctf_id_t id;
fa9e4066f08beec538e775443c5be79dd423fcabahrens uint64_t objset;
fa9e4066f08beec538e775443c5be79dd423fcabahrens uint64_t object;
fa9e4066f08beec538e775443c5be79dd423fcabahrens uint64_t level;
fa9e4066f08beec538e775443c5be79dd423fcabahrens uint64_t blkid;
fa9e4066f08beec538e775443c5be79dd423fcabahrens char *osname;
fa9e4066f08beec538e775443c5be79dd423fcabahrens} dbufs_data_t;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens#define DBUFS_UNSET (0xbaddcafedeadbeefULL)
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens/* ARGSUSED */
fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic int
fa9e4066f08beec538e775443c5be79dd423fcabahrensdbufs_cb(uintptr_t addr, const void *unknown, void *arg)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
fa9e4066f08beec538e775443c5be79dd423fcabahrens dbufs_data_t *data = arg;
fa9e4066f08beec538e775443c5be79dd423fcabahrens uintptr_t objset;
fa9e4066f08beec538e775443c5be79dd423fcabahrens dmu_buf_t db;
fa9e4066f08beec538e775443c5be79dd423fcabahrens uint8_t level;
fa9e4066f08beec538e775443c5be79dd423fcabahrens uint64_t blkid;
fa9e4066f08beec538e775443c5be79dd423fcabahrens char osname[MAXNAMELEN];
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (GETMEMBID(addr, &data->id, db_objset, objset) ||
fa9e4066f08beec538e775443c5be79dd423fcabahrens GETMEMBID(addr, &data->id, db, db) ||
fa9e4066f08beec538e775443c5be79dd423fcabahrens GETMEMBID(addr, &data->id, db_level, level) ||
fa9e4066f08beec538e775443c5be79dd423fcabahrens GETMEMBID(addr, &data->id, db_blkid, blkid)) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (WALK_ERR);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if ((data->objset == DBUFS_UNSET || data->objset == objset) &&
fa9e4066f08beec538e775443c5be79dd423fcabahrens (data->osname == NULL || (objset_name(objset, osname) == 0 &&
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock strcmp(data->osname, osname) == 0)) &&
fa9e4066f08beec538e775443c5be79dd423fcabahrens (data->object == DBUFS_UNSET || data->object == db.db_object) &&
fa9e4066f08beec538e775443c5be79dd423fcabahrens (data->level == DBUFS_UNSET || data->level == level) &&
fa9e4066f08beec538e775443c5be79dd423fcabahrens (data->blkid == DBUFS_UNSET || data->blkid == blkid)) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("%#lr\n", addr);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (WALK_NEXT);
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens/* ARGSUSED */
fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic int
fa9e4066f08beec538e775443c5be79dd423fcabahrensdbufs(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
fa9e4066f08beec538e775443c5be79dd423fcabahrens dbufs_data_t data;
fa9e4066f08beec538e775443c5be79dd423fcabahrens char *object = NULL;
fa9e4066f08beec538e775443c5be79dd423fcabahrens char *blkid = NULL;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens data.objset = data.object = data.level = data.blkid = DBUFS_UNSET;
fa9e4066f08beec538e775443c5be79dd423fcabahrens data.osname = NULL;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (mdb_getopts(argc, argv,
fa9e4066f08beec538e775443c5be79dd423fcabahrens 'O', MDB_OPT_UINT64, &data.objset,
fa9e4066f08beec538e775443c5be79dd423fcabahrens 'n', MDB_OPT_STR, &data.osname,
fa9e4066f08beec538e775443c5be79dd423fcabahrens 'o', MDB_OPT_STR, &object,
fa9e4066f08beec538e775443c5be79dd423fcabahrens 'l', MDB_OPT_UINT64, &data.level,
fa9e4066f08beec538e775443c5be79dd423fcabahrens 'b', MDB_OPT_STR, &blkid) != argc) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_USAGE);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (object) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (strcmp(object, "mdn") == 0) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens data.object = DMU_META_DNODE_OBJECT;
fa9e4066f08beec538e775443c5be79dd423fcabahrens } else {
fa9e4066f08beec538e775443c5be79dd423fcabahrens data.object = mdb_strtoull(object);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (blkid) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (strcmp(blkid, "bonus") == 0) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens data.blkid = DB_BONUS_BLKID;
fa9e4066f08beec538e775443c5be79dd423fcabahrens } else {
fa9e4066f08beec538e775443c5be79dd423fcabahrens data.blkid = mdb_strtoull(blkid);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (mdb_ctf_lookup_by_name("struct dmu_buf_impl", &data.id) == -1) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_warn("couldn't find struct dmu_buf_impl_t");
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_ERR);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens if (mdb_walk("dmu_buf_impl_t", dbufs_cb, &data) != 0) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_warn("can't walk dbufs");
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_ERR);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_OK);
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrenstypedef struct abuf_find_data {
fa9e4066f08beec538e775443c5be79dd423fcabahrens dva_t dva;
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_ctf_id_t id;
fa9e4066f08beec538e775443c5be79dd423fcabahrens} abuf_find_data_t;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens/* ARGSUSED */
fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic int
fa9e4066f08beec538e775443c5be79dd423fcabahrensabuf_find_cb(uintptr_t addr, const void *unknown, void *arg)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
fa9e4066f08beec538e775443c5be79dd423fcabahrens abuf_find_data_t *data = arg;
fa9e4066f08beec538e775443c5be79dd423fcabahrens dva_t dva;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (GETMEMBID(addr, &data->id, b_dva, dva)) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (WALK_ERR);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (dva.dva_word[0] == data->dva.dva_word[0] &&
fa9e4066f08beec538e775443c5be79dd423fcabahrens dva.dva_word[1] == data->dva.dva_word[1]) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("%#lr\n", addr);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (WALK_NEXT);
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens/* ARGSUSED */
fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic int
fa9e4066f08beec538e775443c5be79dd423fcabahrensabuf_find(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
fa9e4066f08beec538e775443c5be79dd423fcabahrens abuf_find_data_t data;
fa9e4066f08beec538e775443c5be79dd423fcabahrens GElf_Sym sym;
fa9e4066f08beec538e775443c5be79dd423fcabahrens int i;
fa9e4066f08beec538e775443c5be79dd423fcabahrens const char *syms[] = {
a2eea2e101e6a163a537dcc6d4e3c4da2a0ea5b2ahrens "ARC_mru",
a2eea2e101e6a163a537dcc6d4e3c4da2a0ea5b2ahrens "ARC_mru_ghost",
a2eea2e101e6a163a537dcc6d4e3c4da2a0ea5b2ahrens "ARC_mfu",
a2eea2e101e6a163a537dcc6d4e3c4da2a0ea5b2ahrens "ARC_mfu_ghost",
fa9e4066f08beec538e775443c5be79dd423fcabahrens };
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (argc != 2)
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_USAGE);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens for (i = 0; i < 2; i ++) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens switch (argv[i].a_type) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens case MDB_TYPE_STRING:
fa9e4066f08beec538e775443c5be79dd423fcabahrens data.dva.dva_word[i] = mdb_strtoull(argv[i].a_un.a_str);
fa9e4066f08beec538e775443c5be79dd423fcabahrens break;
fa9e4066f08beec538e775443c5be79dd423fcabahrens case MDB_TYPE_IMMEDIATE:
fa9e4066f08beec538e775443c5be79dd423fcabahrens data.dva.dva_word[i] = argv[i].a_un.a_val;
fa9e4066f08beec538e775443c5be79dd423fcabahrens break;
fa9e4066f08beec538e775443c5be79dd423fcabahrens default:
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_USAGE);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (mdb_ctf_lookup_by_name("struct arc_buf_hdr", &data.id) == -1) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_warn("couldn't find struct arc_buf_hdr");
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_ERR);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens for (i = 0; i < sizeof (syms) / sizeof (syms[0]); i++) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (mdb_lookup_by_name(syms[i], &sym)) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_warn("can't find symbol %s", syms[i]);
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_ERR);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (mdb_pwalk("list", abuf_find_cb, &data, sym.st_value) != 0) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_warn("can't walk %s", syms[i]);
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_ERR);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_OK);
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens
44cb6abc89aa591c23f5e58296c6d2a29302344abmc/*ARGSUSED*/
44cb6abc89aa591c23f5e58296c6d2a29302344abmcstatic int
44cb6abc89aa591c23f5e58296c6d2a29302344abmcarc_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
44cb6abc89aa591c23f5e58296c6d2a29302344abmc{
44cb6abc89aa591c23f5e58296c6d2a29302344abmc kstat_named_t *stats;
44cb6abc89aa591c23f5e58296c6d2a29302344abmc GElf_Sym sym;
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens int nstats, i;
44cb6abc89aa591c23f5e58296c6d2a29302344abmc uint_t opt_a = FALSE;
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens uint_t opt_b = FALSE;
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens uint_t shift = 0;
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens const char *suffix;
44cb6abc89aa591c23f5e58296c6d2a29302344abmc
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens static const char *bytestats[] = {
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens "p", "c", "c_min", "c_max", "size", NULL
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens };
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens static const char *extras[] = {
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens "arc_no_grow", "arc_tempreserve",
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens "arc_meta_used", "arc_meta_limit", "arc_meta_max",
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens NULL
44cb6abc89aa591c23f5e58296c6d2a29302344abmc };
44cb6abc89aa591c23f5e58296c6d2a29302344abmc
44cb6abc89aa591c23f5e58296c6d2a29302344abmc if (mdb_lookup_by_name("arc_stats", &sym) == -1) {
44cb6abc89aa591c23f5e58296c6d2a29302344abmc mdb_warn("failed to find 'arc_stats'");
44cb6abc89aa591c23f5e58296c6d2a29302344abmc return (DCMD_ERR);
44cb6abc89aa591c23f5e58296c6d2a29302344abmc }
44cb6abc89aa591c23f5e58296c6d2a29302344abmc
44cb6abc89aa591c23f5e58296c6d2a29302344abmc stats = mdb_zalloc(sym.st_size, UM_SLEEP | UM_GC);
44cb6abc89aa591c23f5e58296c6d2a29302344abmc
44cb6abc89aa591c23f5e58296c6d2a29302344abmc if (mdb_vread(stats, sym.st_size, sym.st_value) == -1) {
44cb6abc89aa591c23f5e58296c6d2a29302344abmc mdb_warn("couldn't read 'arc_stats' at %p", sym.st_value);
44cb6abc89aa591c23f5e58296c6d2a29302344abmc return (DCMD_ERR);
44cb6abc89aa591c23f5e58296c6d2a29302344abmc }
44cb6abc89aa591c23f5e58296c6d2a29302344abmc
44cb6abc89aa591c23f5e58296c6d2a29302344abmc nstats = sym.st_size / sizeof (kstat_named_t);
44cb6abc89aa591c23f5e58296c6d2a29302344abmc
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens /* NB: -a / opt_a are ignored for backwards compatability */
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens if (mdb_getopts(argc, argv,
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens 'a', MDB_OPT_SETBITS, TRUE, &opt_a,
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens 'b', MDB_OPT_SETBITS, TRUE, &opt_b,
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens 'k', MDB_OPT_SETBITS, 10, &shift,
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens 'm', MDB_OPT_SETBITS, 20, &shift,
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens 'g', MDB_OPT_SETBITS, 30, &shift,
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens NULL) != argc)
44cb6abc89aa591c23f5e58296c6d2a29302344abmc return (DCMD_USAGE);
44cb6abc89aa591c23f5e58296c6d2a29302344abmc
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens if (!opt_b && !shift)
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens shift = 20;
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens switch (shift) {
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens case 0:
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens suffix = "B";
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens break;
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens case 10:
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens suffix = "KB";
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens break;
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens case 20:
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens suffix = "MB";
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens break;
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens case 30:
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens suffix = "GB";
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens break;
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens default:
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens suffix = "XX";
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens }
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens for (i = 0; i < nstats; i++) {
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens int j;
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens boolean_t bytes = B_FALSE;
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens for (j = 0; bytestats[j]; j++) {
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens if (strcmp(stats[i].name, bytestats[j]) == 0) {
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens bytes = B_TRUE;
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens break;
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens }
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens }
44cb6abc89aa591c23f5e58296c6d2a29302344abmc
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens if (bytes) {
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens mdb_printf("%-25s = %9llu %s\n", stats[i].name,
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens stats[i].value.ui64 >> shift, suffix);
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens } else {
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens mdb_printf("%-25s = %9llu\n", stats[i].name,
44cb6abc89aa591c23f5e58296c6d2a29302344abmc stats[i].value.ui64);
44cb6abc89aa591c23f5e58296c6d2a29302344abmc }
44cb6abc89aa591c23f5e58296c6d2a29302344abmc }
44cb6abc89aa591c23f5e58296c6d2a29302344abmc
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens for (i = 0; extras[i]; i++) {
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens uint64_t buf;
44cb6abc89aa591c23f5e58296c6d2a29302344abmc
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens if (mdb_lookup_by_name(extras[i], &sym) == -1) {
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens mdb_warn("failed to find '%s'", extras[i]);
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens return (DCMD_ERR);
44cb6abc89aa591c23f5e58296c6d2a29302344abmc }
44cb6abc89aa591c23f5e58296c6d2a29302344abmc
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens if (sym.st_size != sizeof (uint64_t) &&
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens sym.st_size != sizeof (uint32_t)) {
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens mdb_warn("expected scalar for variable '%s'\n",
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens extras[i]);
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens return (DCMD_ERR);
44cb6abc89aa591c23f5e58296c6d2a29302344abmc }
44cb6abc89aa591c23f5e58296c6d2a29302344abmc
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens if (mdb_vread(&buf, sym.st_size, sym.st_value) == -1) {
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens mdb_warn("couldn't read '%s'", extras[i]);
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens return (DCMD_ERR);
44cb6abc89aa591c23f5e58296c6d2a29302344abmc }
44cb6abc89aa591c23f5e58296c6d2a29302344abmc
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens mdb_printf("%-25s = ", extras[i]);
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens /* NB: all the 64-bit extras happen to be byte counts */
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens if (sym.st_size == sizeof (uint64_t))
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens mdb_printf("%9llu %s\n", buf >> shift, suffix);
44cb6abc89aa591c23f5e58296c6d2a29302344abmc
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens if (sym.st_size == sizeof (uint32_t))
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens mdb_printf("%9d\n", *((uint32_t *)&buf));
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens }
44cb6abc89aa591c23f5e58296c6d2a29302344abmc return (DCMD_OK);
44cb6abc89aa591c23f5e58296c6d2a29302344abmc}
44cb6abc89aa591c23f5e58296c6d2a29302344abmc
fa9e4066f08beec538e775443c5be79dd423fcabahrens/*
fa9e4066f08beec538e775443c5be79dd423fcabahrens * ::spa
fa9e4066f08beec538e775443c5be79dd423fcabahrens *
fa9e4066f08beec538e775443c5be79dd423fcabahrens * -c Print configuration information as well
fa9e4066f08beec538e775443c5be79dd423fcabahrens * -v Print vdev state
fa9e4066f08beec538e775443c5be79dd423fcabahrens * -e Print vdev error stats
fa9e4066f08beec538e775443c5be79dd423fcabahrens *
fa9e4066f08beec538e775443c5be79dd423fcabahrens * Print a summarized spa_t. When given no arguments, prints out a table of all
fa9e4066f08beec538e775443c5be79dd423fcabahrens * active pools on the system.
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
fa9e4066f08beec538e775443c5be79dd423fcabahrens/* ARGSUSED */
fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic int
fa9e4066f08beec538e775443c5be79dd423fcabahrensspa_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
fa9e4066f08beec538e775443c5be79dd423fcabahrens spa_t spa;
fa9e4066f08beec538e775443c5be79dd423fcabahrens const char *statetab[] = { "ACTIVE", "EXPORTED", "DESTROYED",
e14bb3258d05c1b1077e2db7cf77088924e56919Jeff Bonwick "SPARE", "L2CACHE", "UNINIT", "UNAVAIL", "POTENTIAL" };
fa9e4066f08beec538e775443c5be79dd423fcabahrens const char *state;
fa9e4066f08beec538e775443c5be79dd423fcabahrens int config = FALSE;
fa9e4066f08beec538e775443c5be79dd423fcabahrens int vdevs = FALSE;
fa9e4066f08beec538e775443c5be79dd423fcabahrens int errors = FALSE;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (mdb_getopts(argc, argv,
fa9e4066f08beec538e775443c5be79dd423fcabahrens 'c', MDB_OPT_SETBITS, TRUE, &config,
fa9e4066f08beec538e775443c5be79dd423fcabahrens 'v', MDB_OPT_SETBITS, TRUE, &vdevs,
fa9e4066f08beec538e775443c5be79dd423fcabahrens 'e', MDB_OPT_SETBITS, TRUE, &errors,
fa9e4066f08beec538e775443c5be79dd423fcabahrens NULL) != argc)
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_USAGE);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (!(flags & DCMD_ADDRSPEC)) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (mdb_walk_dcmd("spa", "spa", argc, argv) == -1) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_warn("can't walk spa");
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_ERR);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_OK);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (flags & DCMD_PIPE_OUT) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("%#lr\n", addr);
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_OK);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (DCMD_HDRSPEC(flags))
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("%<u>%-?s %9s %-*s%</u>\n", "ADDR", "STATE",
fa9e4066f08beec538e775443c5be79dd423fcabahrens sizeof (uintptr_t) == 4 ? 60 : 52, "NAME");
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (mdb_vread(&spa, sizeof (spa), addr) == -1) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_warn("failed to read spa_t at %p", addr);
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_ERR);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (spa.spa_state < 0 || spa.spa_state > POOL_STATE_UNAVAIL)
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock state = "UNKNOWN";
fa9e4066f08beec538e775443c5be79dd423fcabahrens else
fa9e4066f08beec538e775443c5be79dd423fcabahrens state = statetab[spa.spa_state];
fa9e4066f08beec538e775443c5be79dd423fcabahrens
e14bb3258d05c1b1077e2db7cf77088924e56919Jeff Bonwick mdb_printf("%0?p %9s %s\n", addr, state, spa.spa_name);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (config) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("\n");
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_inc_indent(4);
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (mdb_call_dcmd("spa_config", addr, flags, 0,
fa9e4066f08beec538e775443c5be79dd423fcabahrens NULL) != DCMD_OK)
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_ERR);
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_dec_indent(4);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (vdevs || errors) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_arg_t v;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens v.a_type = MDB_TYPE_STRING;
fa9e4066f08beec538e775443c5be79dd423fcabahrens v.a_un.a_str = "-e";
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("\n");
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_inc_indent(4);
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (mdb_call_dcmd("spa_vdevs", addr, flags, errors ? 1 : 0,
fa9e4066f08beec538e775443c5be79dd423fcabahrens &v) != DCMD_OK)
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_ERR);
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_dec_indent(4);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_OK);
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens/*
fa9e4066f08beec538e775443c5be79dd423fcabahrens * ::spa_config
fa9e4066f08beec538e775443c5be79dd423fcabahrens *
fa9e4066f08beec538e775443c5be79dd423fcabahrens * Given a spa_t, print the configuration information stored in spa_config.
fa9e4066f08beec538e775443c5be79dd423fcabahrens * Since it's just an nvlist, format it as an indented list of name=value pairs.
fa9e4066f08beec538e775443c5be79dd423fcabahrens * We simply read the value of spa_config and pass off to ::nvlist.
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
fa9e4066f08beec538e775443c5be79dd423fcabahrens/* ARGSUSED */
fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic int
fa9e4066f08beec538e775443c5be79dd423fcabahrensspa_print_config(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
fa9e4066f08beec538e775443c5be79dd423fcabahrens spa_t spa;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (argc != 0 || !(flags & DCMD_ADDRSPEC))
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_USAGE);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (mdb_vread(&spa, sizeof (spa), addr) == -1) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_warn("failed to read spa_t at %p", addr);
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_ERR);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (spa.spa_config == NULL) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("(none)\n");
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_OK);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (mdb_call_dcmd("nvlist", (uintptr_t)spa.spa_config, flags,
fa9e4066f08beec538e775443c5be79dd423fcabahrens 0, NULL));
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens/*
fa9e4066f08beec538e775443c5be79dd423fcabahrens * ::vdev
fa9e4066f08beec538e775443c5be79dd423fcabahrens *
fa9e4066f08beec538e775443c5be79dd423fcabahrens * Print out a summarized vdev_t, in the following form:
fa9e4066f08beec538e775443c5be79dd423fcabahrens *
fa9e4066f08beec538e775443c5be79dd423fcabahrens * ADDR STATE AUX DESC
fa9e4066f08beec538e775443c5be79dd423fcabahrens * fffffffbcde23df0 HEALTHY - /dev/dsk/c0t0d0
fa9e4066f08beec538e775443c5be79dd423fcabahrens *
fa9e4066f08beec538e775443c5be79dd423fcabahrens * If '-r' is specified, recursively visit all children.
fa9e4066f08beec538e775443c5be79dd423fcabahrens *
fa9e4066f08beec538e775443c5be79dd423fcabahrens * With '-e', the statistics associated with the vdev are printed as well.
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic int
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrensdo_print_vdev(uintptr_t addr, int flags, int depth, int stats,
fa9e4066f08beec538e775443c5be79dd423fcabahrens int recursive)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
fa9e4066f08beec538e775443c5be79dd423fcabahrens vdev_t vdev;
fa9e4066f08beec538e775443c5be79dd423fcabahrens char desc[MAXNAMELEN];
fa9e4066f08beec538e775443c5be79dd423fcabahrens int c, children;
fa9e4066f08beec538e775443c5be79dd423fcabahrens uintptr_t *child;
fa9e4066f08beec538e775443c5be79dd423fcabahrens const char *state, *aux;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (mdb_vread(&vdev, sizeof (vdev), (uintptr_t)addr) == -1) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_warn("failed to read vdev_t at %p\n", (uintptr_t)addr);
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_ERR);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (flags & DCMD_PIPE_OUT) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("%#lr", addr);
fa9e4066f08beec538e775443c5be79dd423fcabahrens } else {
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (vdev.vdev_path != NULL) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (mdb_readstr(desc, sizeof (desc),
fa9e4066f08beec538e775443c5be79dd423fcabahrens (uintptr_t)vdev.vdev_path) == -1) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_warn("failed to read vdev_path at %p\n",
fa9e4066f08beec538e775443c5be79dd423fcabahrens vdev.vdev_path);
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_ERR);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens } else if (vdev.vdev_ops != NULL) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens vdev_ops_t ops;
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (mdb_vread(&ops, sizeof (ops),
fa9e4066f08beec538e775443c5be79dd423fcabahrens (uintptr_t)vdev.vdev_ops) == -1) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_warn("failed to read vdev_ops at %p\n",
fa9e4066f08beec538e775443c5be79dd423fcabahrens vdev.vdev_ops);
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_ERR);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens (void) strcpy(desc, ops.vdev_op_type);
fa9e4066f08beec538e775443c5be79dd423fcabahrens } else {
fa9e4066f08beec538e775443c5be79dd423fcabahrens (void) strcpy(desc, "<unknown>");
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (depth == 0 && DCMD_HDRSPEC(flags))
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("%<u>%-?s %-9s %-12s %-*s%</u>\n",
fa9e4066f08beec538e775443c5be79dd423fcabahrens "ADDR", "STATE", "AUX",
fa9e4066f08beec538e775443c5be79dd423fcabahrens sizeof (uintptr_t) == 4 ? 43 : 35,
fa9e4066f08beec538e775443c5be79dd423fcabahrens "DESCRIPTION");
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("%0?p ", addr);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens switch (vdev.vdev_state) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens case VDEV_STATE_CLOSED:
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock state = "CLOSED";
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock break;
fa9e4066f08beec538e775443c5be79dd423fcabahrens case VDEV_STATE_OFFLINE:
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock state = "OFFLINE";
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock break;
fa9e4066f08beec538e775443c5be79dd423fcabahrens case VDEV_STATE_CANT_OPEN:
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock state = "CANT_OPEN";
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock break;
fa9e4066f08beec538e775443c5be79dd423fcabahrens case VDEV_STATE_DEGRADED:
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock state = "DEGRADED";
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock break;
fa9e4066f08beec538e775443c5be79dd423fcabahrens case VDEV_STATE_HEALTHY:
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock state = "HEALTHY";
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock break;
3d7072f8bd27709dba14f6fe336f149d25d9e207eschrock case VDEV_STATE_REMOVED:
3d7072f8bd27709dba14f6fe336f149d25d9e207eschrock state = "REMOVED";
3d7072f8bd27709dba14f6fe336f149d25d9e207eschrock break;
3d7072f8bd27709dba14f6fe336f149d25d9e207eschrock case VDEV_STATE_FAULTED:
3d7072f8bd27709dba14f6fe336f149d25d9e207eschrock state = "FAULTED";
3d7072f8bd27709dba14f6fe336f149d25d9e207eschrock break;
fa9e4066f08beec538e775443c5be79dd423fcabahrens default:
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock state = "UNKNOWN";
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock break;
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens switch (vdev.vdev_stat.vs_aux) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens case VDEV_AUX_NONE:
fa9e4066f08beec538e775443c5be79dd423fcabahrens aux = "-";
fa9e4066f08beec538e775443c5be79dd423fcabahrens break;
fa9e4066f08beec538e775443c5be79dd423fcabahrens case VDEV_AUX_OPEN_FAILED:
fa9e4066f08beec538e775443c5be79dd423fcabahrens aux = "OPEN_FAILED";
fa9e4066f08beec538e775443c5be79dd423fcabahrens break;
fa9e4066f08beec538e775443c5be79dd423fcabahrens case VDEV_AUX_CORRUPT_DATA:
fa9e4066f08beec538e775443c5be79dd423fcabahrens aux = "CORRUPT_DATA";
fa9e4066f08beec538e775443c5be79dd423fcabahrens break;
fa9e4066f08beec538e775443c5be79dd423fcabahrens case VDEV_AUX_NO_REPLICAS:
fa9e4066f08beec538e775443c5be79dd423fcabahrens aux = "NO_REPLICAS";
fa9e4066f08beec538e775443c5be79dd423fcabahrens break;
fa9e4066f08beec538e775443c5be79dd423fcabahrens case VDEV_AUX_BAD_GUID_SUM:
fa9e4066f08beec538e775443c5be79dd423fcabahrens aux = "BAD_GUID_SUM";
fa9e4066f08beec538e775443c5be79dd423fcabahrens break;
fa9e4066f08beec538e775443c5be79dd423fcabahrens case VDEV_AUX_TOO_SMALL:
fa9e4066f08beec538e775443c5be79dd423fcabahrens aux = "TOO_SMALL";
fa9e4066f08beec538e775443c5be79dd423fcabahrens break;
fa9e4066f08beec538e775443c5be79dd423fcabahrens case VDEV_AUX_BAD_LABEL:
fa9e4066f08beec538e775443c5be79dd423fcabahrens aux = "BAD_LABEL";
fa9e4066f08beec538e775443c5be79dd423fcabahrens break;
b87f3af36bb994656da117319f5129ddfd05ed21perrin case VDEV_AUX_VERSION_NEWER:
b87f3af36bb994656da117319f5129ddfd05ed21perrin aux = "VERS_NEWER";
b87f3af36bb994656da117319f5129ddfd05ed21perrin break;
b87f3af36bb994656da117319f5129ddfd05ed21perrin case VDEV_AUX_VERSION_OLDER:
b87f3af36bb994656da117319f5129ddfd05ed21perrin aux = "VERS_OLDER";
b87f3af36bb994656da117319f5129ddfd05ed21perrin break;
b87f3af36bb994656da117319f5129ddfd05ed21perrin case VDEV_AUX_SPARED:
b87f3af36bb994656da117319f5129ddfd05ed21perrin aux = "SPARED";
b87f3af36bb994656da117319f5129ddfd05ed21perrin break;
b87f3af36bb994656da117319f5129ddfd05ed21perrin case VDEV_AUX_ERR_EXCEEDED:
b87f3af36bb994656da117319f5129ddfd05ed21perrin aux = "ERR_EXCEEDED";
b87f3af36bb994656da117319f5129ddfd05ed21perrin break;
b87f3af36bb994656da117319f5129ddfd05ed21perrin case VDEV_AUX_IO_FAILURE:
b87f3af36bb994656da117319f5129ddfd05ed21perrin aux = "IO_FAILURE";
b87f3af36bb994656da117319f5129ddfd05ed21perrin break;
b87f3af36bb994656da117319f5129ddfd05ed21perrin case VDEV_AUX_BAD_LOG:
b87f3af36bb994656da117319f5129ddfd05ed21perrin aux = "BAD_LOG";
b87f3af36bb994656da117319f5129ddfd05ed21perrin break;
fa9e4066f08beec538e775443c5be79dd423fcabahrens default:
fa9e4066f08beec538e775443c5be79dd423fcabahrens aux = "UNKNOWN";
fa9e4066f08beec538e775443c5be79dd423fcabahrens break;
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("%-9s %-12s %*s%s\n", state, aux, depth, "", desc);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (stats) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens vdev_stat_t *vs = &vdev.vdev_stat;
fa9e4066f08beec538e775443c5be79dd423fcabahrens int i;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_inc_indent(4);
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("\n");
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("%<u> %12s %12s %12s %12s "
fa9e4066f08beec538e775443c5be79dd423fcabahrens "%12s%</u>\n", "READ", "WRITE", "FREE", "CLAIM",
fa9e4066f08beec538e775443c5be79dd423fcabahrens "IOCTL");
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("OPS ");
fa9e4066f08beec538e775443c5be79dd423fcabahrens for (i = 1; i < ZIO_TYPES; i++)
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("%11#llx%s", vs->vs_ops[i],
fa9e4066f08beec538e775443c5be79dd423fcabahrens i == ZIO_TYPES - 1 ? "" : " ");
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("\n");
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("BYTES ");
fa9e4066f08beec538e775443c5be79dd423fcabahrens for (i = 1; i < ZIO_TYPES; i++)
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("%11#llx%s", vs->vs_bytes[i],
fa9e4066f08beec538e775443c5be79dd423fcabahrens i == ZIO_TYPES - 1 ? "" : " ");
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("\n");
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("EREAD %10#llx\n", vs->vs_read_errors);
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("EWRITE %10#llx\n", vs->vs_write_errors);
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("ECKSUM %10#llx\n",
fa9e4066f08beec538e775443c5be79dd423fcabahrens vs->vs_checksum_errors);
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_dec_indent(4);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens if (stats)
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("\n");
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens children = vdev.vdev_children;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (children == 0 || !recursive)
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_OK);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens child = mdb_alloc(children * sizeof (void *), UM_SLEEP | UM_GC);
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (mdb_vread(child, children * sizeof (void *),
fa9e4066f08beec538e775443c5be79dd423fcabahrens (uintptr_t)vdev.vdev_child) == -1) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_warn("failed to read vdev children at %p", vdev.vdev_child);
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_ERR);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens for (c = 0; c < children; c++) {
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens if (do_print_vdev(child[c], flags, depth + 2, stats,
fa9e4066f08beec538e775443c5be79dd423fcabahrens recursive))
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_ERR);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_OK);
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic int
fa9e4066f08beec538e775443c5be79dd423fcabahrensvdev_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
fa9e4066f08beec538e775443c5be79dd423fcabahrens int recursive = FALSE;
fa9e4066f08beec538e775443c5be79dd423fcabahrens int stats = FALSE;
c5904d138f3bdf0762dbf452a43d5a5c387ea6a8eschrock uint64_t depth = 0;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (mdb_getopts(argc, argv,
fa9e4066f08beec538e775443c5be79dd423fcabahrens 'r', MDB_OPT_SETBITS, TRUE, &recursive,
fa9e4066f08beec538e775443c5be79dd423fcabahrens 'e', MDB_OPT_SETBITS, TRUE, &stats,
c5904d138f3bdf0762dbf452a43d5a5c387ea6a8eschrock 'd', MDB_OPT_UINT64, &depth,
fa9e4066f08beec538e775443c5be79dd423fcabahrens NULL) != argc)
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_USAGE);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (!(flags & DCMD_ADDRSPEC)) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_warn("no vdev_t address given\n");
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_ERR);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
c5904d138f3bdf0762dbf452a43d5a5c387ea6a8eschrock return (do_print_vdev(addr, flags, (int)depth, stats, recursive));
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrenstypedef struct metaslab_walk_data {
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens uint64_t mw_numvdevs;
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens uintptr_t *mw_vdevs;
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens int mw_curvdev;
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens uint64_t mw_nummss;
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens uintptr_t *mw_mss;
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens int mw_curms;
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens} metaslab_walk_data_t;
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrensstatic int
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrensmetaslab_walk_step(mdb_walk_state_t *wsp)
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens{
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens metaslab_walk_data_t *mw = wsp->walk_data;
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens metaslab_t ms;
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens uintptr_t msp;
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens if (mw->mw_curvdev >= mw->mw_numvdevs)
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens return (WALK_DONE);
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens if (mw->mw_mss == NULL) {
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens uintptr_t mssp;
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens uintptr_t vdevp;
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens ASSERT(mw->mw_curms == 0);
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens ASSERT(mw->mw_nummss == 0);
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens vdevp = mw->mw_vdevs[mw->mw_curvdev];
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens if (GETMEMB(vdevp, struct vdev, vdev_ms, mssp) ||
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens GETMEMB(vdevp, struct vdev, vdev_ms_count, mw->mw_nummss)) {
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens return (WALK_ERR);
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens }
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens mw->mw_mss = mdb_alloc(mw->mw_nummss * sizeof (void*),
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens UM_SLEEP | UM_GC);
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens if (mdb_vread(mw->mw_mss, mw->mw_nummss * sizeof (void*),
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens mssp) == -1) {
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens mdb_warn("failed to read vdev_ms at %p", mssp);
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens return (WALK_ERR);
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens }
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens }
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens if (mw->mw_curms >= mw->mw_nummss) {
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens mw->mw_mss = NULL;
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens mw->mw_curms = 0;
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens mw->mw_nummss = 0;
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens mw->mw_curvdev++;
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens return (WALK_NEXT);
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens }
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens msp = mw->mw_mss[mw->mw_curms];
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens if (mdb_vread(&ms, sizeof (metaslab_t), msp) == -1) {
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens mdb_warn("failed to read metaslab_t at %p", msp);
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens return (WALK_ERR);
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens }
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens mw->mw_curms++;
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens return (wsp->walk_callback(msp, &ms, wsp->walk_cbdata));
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens}
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens/* ARGSUSED */
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrensstatic int
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrensmetaslab_walk_init(mdb_walk_state_t *wsp)
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens{
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens metaslab_walk_data_t *mw;
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens uintptr_t root_vdevp;
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens uintptr_t childp;
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens if (wsp->walk_addr == NULL) {
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens mdb_warn("must supply address of spa_t\n");
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens return (WALK_ERR);
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens }
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens mw = mdb_zalloc(sizeof (metaslab_walk_data_t), UM_SLEEP | UM_GC);
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens if (GETMEMB(wsp->walk_addr, struct spa, spa_root_vdev, root_vdevp) ||
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens GETMEMB(root_vdevp, struct vdev, vdev_children, mw->mw_numvdevs) ||
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens GETMEMB(root_vdevp, struct vdev, vdev_child, childp)) {
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens return (DCMD_ERR);
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens }
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens mw->mw_vdevs = mdb_alloc(mw->mw_numvdevs * sizeof (void *),
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens UM_SLEEP | UM_GC);
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens if (mdb_vread(mw->mw_vdevs, mw->mw_numvdevs * sizeof (void *),
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens childp) == -1) {
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens mdb_warn("failed to read root vdev children at %p", childp);
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens return (DCMD_ERR);
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens }
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens wsp->walk_data = mw;
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens return (WALK_NEXT);
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens}
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrenstypedef struct mdb_spa {
fa9e4066f08beec538e775443c5be79dd423fcabahrens uintptr_t spa_dsl_pool;
fa9e4066f08beec538e775443c5be79dd423fcabahrens uintptr_t spa_root_vdev;
fa9e4066f08beec538e775443c5be79dd423fcabahrens} mdb_spa_t;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrenstypedef struct mdb_dsl_dir {
fa9e4066f08beec538e775443c5be79dd423fcabahrens uintptr_t dd_phys;
fa9e4066f08beec538e775443c5be79dd423fcabahrens int64_t dd_space_towrite[TXG_SIZE];
fa9e4066f08beec538e775443c5be79dd423fcabahrens} mdb_dsl_dir_t;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrenstypedef struct mdb_dsl_dir_phys {
fa9e4066f08beec538e775443c5be79dd423fcabahrens uint64_t dd_used_bytes;
fa9e4066f08beec538e775443c5be79dd423fcabahrens uint64_t dd_compressed_bytes;
fa9e4066f08beec538e775443c5be79dd423fcabahrens uint64_t dd_uncompressed_bytes;
fa9e4066f08beec538e775443c5be79dd423fcabahrens} mdb_dsl_dir_phys_t;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrenstypedef struct mdb_vdev {
fa9e4066f08beec538e775443c5be79dd423fcabahrens uintptr_t vdev_parent;
fa9e4066f08beec538e775443c5be79dd423fcabahrens uintptr_t vdev_ms;
fa9e4066f08beec538e775443c5be79dd423fcabahrens uint64_t vdev_ms_count;
fa9e4066f08beec538e775443c5be79dd423fcabahrens vdev_stat_t vdev_stat;
fa9e4066f08beec538e775443c5be79dd423fcabahrens} mdb_vdev_t;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrenstypedef struct mdb_metaslab {
fa9e4066f08beec538e775443c5be79dd423fcabahrens space_map_t ms_allocmap[TXG_SIZE];
fa9e4066f08beec538e775443c5be79dd423fcabahrens space_map_t ms_freemap[TXG_SIZE];
fa9e4066f08beec538e775443c5be79dd423fcabahrens space_map_t ms_map;
ecc2d604e885a75cc75e647b5641af99d5a6f4a6bonwick space_map_obj_t ms_smo;
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens space_map_obj_t ms_smo_syncing;
fa9e4066f08beec538e775443c5be79dd423fcabahrens} mdb_metaslab_t;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrenstypedef struct space_data {
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens uint64_t ms_allocmap[TXG_SIZE];
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens uint64_t ms_freemap[TXG_SIZE];
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens uint64_t ms_map;
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens uint64_t avail;
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens uint64_t nowavail;
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens} space_data_t;
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens/* ARGSUSED */
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrensstatic int
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrensspace_cb(uintptr_t addr, const void *unknown, void *arg)
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens{
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens space_data_t *sd = arg;
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens mdb_metaslab_t ms;
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens if (GETMEMB(addr, struct metaslab, ms_allocmap, ms.ms_allocmap) ||
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens GETMEMB(addr, struct metaslab, ms_freemap, ms.ms_freemap) ||
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens GETMEMB(addr, struct metaslab, ms_map, ms.ms_map) ||
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens GETMEMB(addr, struct metaslab, ms_smo, ms.ms_smo) ||
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens GETMEMB(addr, struct metaslab, ms_smo_syncing, ms.ms_smo_syncing)) {
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens return (WALK_ERR);
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens }
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens sd->ms_allocmap[0] += ms.ms_allocmap[0].sm_space;
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens sd->ms_allocmap[1] += ms.ms_allocmap[1].sm_space;
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens sd->ms_allocmap[2] += ms.ms_allocmap[2].sm_space;
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens sd->ms_allocmap[3] += ms.ms_allocmap[3].sm_space;
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens sd->ms_freemap[0] += ms.ms_freemap[0].sm_space;
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens sd->ms_freemap[1] += ms.ms_freemap[1].sm_space;
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens sd->ms_freemap[2] += ms.ms_freemap[2].sm_space;
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens sd->ms_freemap[3] += ms.ms_freemap[3].sm_space;
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens sd->ms_map += ms.ms_map.sm_space;
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens sd->avail += ms.ms_map.sm_size - ms.ms_smo.smo_alloc;
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens sd->nowavail += ms.ms_map.sm_size - ms.ms_smo_syncing.smo_alloc;
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens return (WALK_NEXT);
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens}
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens/*
fa9e4066f08beec538e775443c5be79dd423fcabahrens * ::spa_space [-b]
fa9e4066f08beec538e775443c5be79dd423fcabahrens *
fa9e4066f08beec538e775443c5be79dd423fcabahrens * Given a spa_t, print out it's on-disk space usage and in-core
fa9e4066f08beec538e775443c5be79dd423fcabahrens * estimates of future usage. If -b is given, print space in bytes.
fa9e4066f08beec538e775443c5be79dd423fcabahrens * Otherwise print in megabytes.
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
fa9e4066f08beec538e775443c5be79dd423fcabahrens/* ARGSUSED */
fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic int
fa9e4066f08beec538e775443c5be79dd423fcabahrensspa_space(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_spa_t spa;
fa9e4066f08beec538e775443c5be79dd423fcabahrens uintptr_t dp_root_dir;
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_dsl_dir_t dd;
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_dsl_dir_phys_t dsp;
fa9e4066f08beec538e775443c5be79dd423fcabahrens uint64_t children;
fa9e4066f08beec538e775443c5be79dd423fcabahrens uintptr_t childaddr;
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens space_data_t sd;
fa9e4066f08beec538e775443c5be79dd423fcabahrens int shift = 20;
fa9e4066f08beec538e775443c5be79dd423fcabahrens char *suffix = "M";
fa9e4066f08beec538e775443c5be79dd423fcabahrens int bits = FALSE;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (mdb_getopts(argc, argv, 'b', MDB_OPT_SETBITS, TRUE, &bits, NULL) !=
fa9e4066f08beec538e775443c5be79dd423fcabahrens argc)
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_USAGE);
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (!(flags & DCMD_ADDRSPEC))
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_USAGE);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (bits) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens shift = 0;
fa9e4066f08beec538e775443c5be79dd423fcabahrens suffix = "";
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (GETMEMB(addr, struct spa, spa_dsl_pool, spa.spa_dsl_pool) ||
fa9e4066f08beec538e775443c5be79dd423fcabahrens GETMEMB(addr, struct spa, spa_root_vdev, spa.spa_root_vdev) ||
fa9e4066f08beec538e775443c5be79dd423fcabahrens GETMEMB(spa.spa_root_vdev, struct vdev, vdev_children, children) ||
fa9e4066f08beec538e775443c5be79dd423fcabahrens GETMEMB(spa.spa_root_vdev, struct vdev, vdev_child, childaddr) ||
fa9e4066f08beec538e775443c5be79dd423fcabahrens GETMEMB(spa.spa_dsl_pool, struct dsl_pool,
fa9e4066f08beec538e775443c5be79dd423fcabahrens dp_root_dir, dp_root_dir) ||
fa9e4066f08beec538e775443c5be79dd423fcabahrens GETMEMB(dp_root_dir, struct dsl_dir, dd_phys, dd.dd_phys) ||
fa9e4066f08beec538e775443c5be79dd423fcabahrens GETMEMB(dp_root_dir, struct dsl_dir,
fa9e4066f08beec538e775443c5be79dd423fcabahrens dd_space_towrite, dd.dd_space_towrite) ||
fa9e4066f08beec538e775443c5be79dd423fcabahrens GETMEMB(dd.dd_phys, struct dsl_dir_phys,
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens dd_used_bytes, dsp.dd_used_bytes) ||
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens GETMEMB(dd.dd_phys, struct dsl_dir_phys,
fa9e4066f08beec538e775443c5be79dd423fcabahrens dd_compressed_bytes, dsp.dd_compressed_bytes) ||
fa9e4066f08beec538e775443c5be79dd423fcabahrens GETMEMB(dd.dd_phys, struct dsl_dir_phys,
fa9e4066f08beec538e775443c5be79dd423fcabahrens dd_uncompressed_bytes, dsp.dd_uncompressed_bytes)) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_ERR);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("dd_space_towrite = %llu%s %llu%s %llu%s %llu%s\n",
fa9e4066f08beec538e775443c5be79dd423fcabahrens dd.dd_space_towrite[0] >> shift, suffix,
fa9e4066f08beec538e775443c5be79dd423fcabahrens dd.dd_space_towrite[1] >> shift, suffix,
fa9e4066f08beec538e775443c5be79dd423fcabahrens dd.dd_space_towrite[2] >> shift, suffix,
fa9e4066f08beec538e775443c5be79dd423fcabahrens dd.dd_space_towrite[3] >> shift, suffix);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("dd_phys.dd_used_bytes = %llu%s\n",
fa9e4066f08beec538e775443c5be79dd423fcabahrens dsp.dd_used_bytes >> shift, suffix);
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens mdb_printf("dd_phys.dd_compressed_bytes = %llu%s\n",
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens dsp.dd_compressed_bytes >> shift, suffix);
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens mdb_printf("dd_phys.dd_uncompressed_bytes = %llu%s\n",
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens dsp.dd_uncompressed_bytes >> shift, suffix);
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens bzero(&sd, sizeof (sd));
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens if (mdb_pwalk("metaslab", space_cb, &sd, addr) != 0) {
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens mdb_warn("can't walk metaslabs");
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens return (DCMD_ERR);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("ms_allocmap = %llu%s %llu%s %llu%s %llu%s\n",
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens sd.ms_allocmap[0] >> shift, suffix,
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens sd.ms_allocmap[1] >> shift, suffix,
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens sd.ms_allocmap[2] >> shift, suffix,
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens sd.ms_allocmap[3] >> shift, suffix);
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("ms_freemap = %llu%s %llu%s %llu%s %llu%s\n",
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens sd.ms_freemap[0] >> shift, suffix,
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens sd.ms_freemap[1] >> shift, suffix,
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens sd.ms_freemap[2] >> shift, suffix,
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens sd.ms_freemap[3] >> shift, suffix);
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens mdb_printf("ms_map = %llu%s\n", sd.ms_map >> shift, suffix);
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens mdb_printf("last synced avail = %llu%s\n", sd.avail >> shift, suffix);
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens mdb_printf("current syncing avail = %llu%s\n",
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens sd.nowavail >> shift, suffix);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_OK);
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens/*
fa9e4066f08beec538e775443c5be79dd423fcabahrens * ::spa_verify
fa9e4066f08beec538e775443c5be79dd423fcabahrens *
fa9e4066f08beec538e775443c5be79dd423fcabahrens * Given a spa_t, verify that that the pool is self-consistent.
fa9e4066f08beec538e775443c5be79dd423fcabahrens * Currently, it only checks to make sure that the vdev tree exists.
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
fa9e4066f08beec538e775443c5be79dd423fcabahrens/* ARGSUSED */
fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic int
fa9e4066f08beec538e775443c5be79dd423fcabahrensspa_verify(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
fa9e4066f08beec538e775443c5be79dd423fcabahrens spa_t spa;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (argc != 0 || !(flags & DCMD_ADDRSPEC))
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_USAGE);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (mdb_vread(&spa, sizeof (spa), addr) == -1) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_warn("failed to read spa_t at %p", addr);
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_ERR);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (spa.spa_root_vdev == NULL) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("no vdev tree present\n");
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_OK);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_OK);
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens
ec9f632e53cc822267588170e45d89b9dc72153fEric Schrockstatic int
ec9f632e53cc822267588170e45d89b9dc72153fEric Schrockspa_print_aux(spa_aux_vdev_t *sav, uint_t flags, mdb_arg_t *v,
ec9f632e53cc822267588170e45d89b9dc72153fEric Schrock const char *name)
ec9f632e53cc822267588170e45d89b9dc72153fEric Schrock{
ec9f632e53cc822267588170e45d89b9dc72153fEric Schrock uintptr_t *aux;
ec9f632e53cc822267588170e45d89b9dc72153fEric Schrock size_t len;
ec9f632e53cc822267588170e45d89b9dc72153fEric Schrock int ret, i;
ec9f632e53cc822267588170e45d89b9dc72153fEric Schrock
ec9f632e53cc822267588170e45d89b9dc72153fEric Schrock /*
ec9f632e53cc822267588170e45d89b9dc72153fEric Schrock * Iterate over aux vdevs and print those out as well. This is a
ec9f632e53cc822267588170e45d89b9dc72153fEric Schrock * little annoying because we don't have a root vdev to pass to ::vdev.
ec9f632e53cc822267588170e45d89b9dc72153fEric Schrock * Instead, we print a single line and then call it for each child
ec9f632e53cc822267588170e45d89b9dc72153fEric Schrock * vdev.
ec9f632e53cc822267588170e45d89b9dc72153fEric Schrock */
ec9f632e53cc822267588170e45d89b9dc72153fEric Schrock if (sav->sav_count != 0) {
ec9f632e53cc822267588170e45d89b9dc72153fEric Schrock v[1].a_type = MDB_TYPE_STRING;
ec9f632e53cc822267588170e45d89b9dc72153fEric Schrock v[1].a_un.a_str = "-d";
ec9f632e53cc822267588170e45d89b9dc72153fEric Schrock v[2].a_type = MDB_TYPE_IMMEDIATE;
ec9f632e53cc822267588170e45d89b9dc72153fEric Schrock v[2].a_un.a_val = 2;
ec9f632e53cc822267588170e45d89b9dc72153fEric Schrock
ec9f632e53cc822267588170e45d89b9dc72153fEric Schrock len = sav->sav_count * sizeof (uintptr_t);
ec9f632e53cc822267588170e45d89b9dc72153fEric Schrock aux = mdb_alloc(len, UM_SLEEP);
ec9f632e53cc822267588170e45d89b9dc72153fEric Schrock if (mdb_vread(aux, len,
ec9f632e53cc822267588170e45d89b9dc72153fEric Schrock (uintptr_t)sav->sav_vdevs) == -1) {
ec9f632e53cc822267588170e45d89b9dc72153fEric Schrock mdb_free(aux, len);
ec9f632e53cc822267588170e45d89b9dc72153fEric Schrock mdb_warn("failed to read l2cache vdevs at %p",
ec9f632e53cc822267588170e45d89b9dc72153fEric Schrock sav->sav_vdevs);
ec9f632e53cc822267588170e45d89b9dc72153fEric Schrock return (DCMD_ERR);
ec9f632e53cc822267588170e45d89b9dc72153fEric Schrock }
ec9f632e53cc822267588170e45d89b9dc72153fEric Schrock
ec9f632e53cc822267588170e45d89b9dc72153fEric Schrock mdb_printf("%-?s %-9s %-12s %s\n", "-", "-", "-", name);
ec9f632e53cc822267588170e45d89b9dc72153fEric Schrock
ec9f632e53cc822267588170e45d89b9dc72153fEric Schrock for (i = 0; i < sav->sav_count; i++) {
ec9f632e53cc822267588170e45d89b9dc72153fEric Schrock ret = mdb_call_dcmd("vdev", aux[i], flags, 3, v);
ec9f632e53cc822267588170e45d89b9dc72153fEric Schrock if (ret != DCMD_OK) {
ec9f632e53cc822267588170e45d89b9dc72153fEric Schrock mdb_free(aux, len);
ec9f632e53cc822267588170e45d89b9dc72153fEric Schrock return (ret);
ec9f632e53cc822267588170e45d89b9dc72153fEric Schrock }
ec9f632e53cc822267588170e45d89b9dc72153fEric Schrock }
ec9f632e53cc822267588170e45d89b9dc72153fEric Schrock
ec9f632e53cc822267588170e45d89b9dc72153fEric Schrock mdb_free(aux, len);
ec9f632e53cc822267588170e45d89b9dc72153fEric Schrock }
ec9f632e53cc822267588170e45d89b9dc72153fEric Schrock
ec9f632e53cc822267588170e45d89b9dc72153fEric Schrock return (0);
ec9f632e53cc822267588170e45d89b9dc72153fEric Schrock}
ec9f632e53cc822267588170e45d89b9dc72153fEric Schrock
fa9e4066f08beec538e775443c5be79dd423fcabahrens/*
fa9e4066f08beec538e775443c5be79dd423fcabahrens * ::spa_vdevs
fa9e4066f08beec538e775443c5be79dd423fcabahrens *
fa9e4066f08beec538e775443c5be79dd423fcabahrens * -e Include error stats
fa9e4066f08beec538e775443c5be79dd423fcabahrens *
fa9e4066f08beec538e775443c5be79dd423fcabahrens * Print out a summarized list of vdevs for the given spa_t.
c5904d138f3bdf0762dbf452a43d5a5c387ea6a8eschrock * This is accomplished by invoking "::vdev -re" on the root vdev, as well as
c5904d138f3bdf0762dbf452a43d5a5c387ea6a8eschrock * iterating over the cache devices.
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
fa9e4066f08beec538e775443c5be79dd423fcabahrens/* ARGSUSED */
fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic int
fa9e4066f08beec538e775443c5be79dd423fcabahrensspa_vdevs(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
fa9e4066f08beec538e775443c5be79dd423fcabahrens spa_t spa;
c5904d138f3bdf0762dbf452a43d5a5c387ea6a8eschrock mdb_arg_t v[3];
fa9e4066f08beec538e775443c5be79dd423fcabahrens int errors = FALSE;
ec9f632e53cc822267588170e45d89b9dc72153fEric Schrock int ret;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (mdb_getopts(argc, argv,
fa9e4066f08beec538e775443c5be79dd423fcabahrens 'e', MDB_OPT_SETBITS, TRUE, &errors,
fa9e4066f08beec538e775443c5be79dd423fcabahrens NULL) != argc)
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_USAGE);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (!(flags & DCMD_ADDRSPEC))
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_USAGE);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (mdb_vread(&spa, sizeof (spa), addr) == -1) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_warn("failed to read spa_t at %p", addr);
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_ERR);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
088e9d477eee66081e407fbc5a33c4da25f66f6aeschrock /*
088e9d477eee66081e407fbc5a33c4da25f66f6aeschrock * Unitialized spa_t structures can have a NULL root vdev.
088e9d477eee66081e407fbc5a33c4da25f66f6aeschrock */
088e9d477eee66081e407fbc5a33c4da25f66f6aeschrock if (spa.spa_root_vdev == NULL) {
088e9d477eee66081e407fbc5a33c4da25f66f6aeschrock mdb_printf("no associated vdevs\n");
088e9d477eee66081e407fbc5a33c4da25f66f6aeschrock return (DCMD_OK);
088e9d477eee66081e407fbc5a33c4da25f66f6aeschrock }
088e9d477eee66081e407fbc5a33c4da25f66f6aeschrock
c5904d138f3bdf0762dbf452a43d5a5c387ea6a8eschrock v[0].a_type = MDB_TYPE_STRING;
c5904d138f3bdf0762dbf452a43d5a5c387ea6a8eschrock v[0].a_un.a_str = errors ? "-re" : "-r";
fa9e4066f08beec538e775443c5be79dd423fcabahrens
c5904d138f3bdf0762dbf452a43d5a5c387ea6a8eschrock ret = mdb_call_dcmd("vdev", (uintptr_t)spa.spa_root_vdev,
c5904d138f3bdf0762dbf452a43d5a5c387ea6a8eschrock flags, 1, v);
c5904d138f3bdf0762dbf452a43d5a5c387ea6a8eschrock if (ret != DCMD_OK)
c5904d138f3bdf0762dbf452a43d5a5c387ea6a8eschrock return (ret);
c5904d138f3bdf0762dbf452a43d5a5c387ea6a8eschrock
ec9f632e53cc822267588170e45d89b9dc72153fEric Schrock if (spa_print_aux(&spa.spa_l2cache, flags, v, "cache") != 0 ||
ec9f632e53cc822267588170e45d89b9dc72153fEric Schrock spa_print_aux(&spa.spa_spares, flags, v, "spares") != 0)
ec9f632e53cc822267588170e45d89b9dc72153fEric Schrock return (DCMD_ERR);
c5904d138f3bdf0762dbf452a43d5a5c387ea6a8eschrock
c5904d138f3bdf0762dbf452a43d5a5c387ea6a8eschrock return (DCMD_OK);
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock/*
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock * ::zio
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock *
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock * Print a summary of zio_t and all its children. This is intended to display a
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock * zio tree, and hence we only pick the most important pieces of information for
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock * the main summary. More detailed information can always be found by doing a
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock * '::print zio' on the underlying zio_t. The columns we display are:
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock *
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock * ADDRESS TYPE STAGE WAITER
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock *
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock * The 'address' column is indented by one space for each depth level as we
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock * descend down the tree.
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock */
fac3008cc3156093d29951128c236e1a6c4bc0e8eschrock
fac3008cc3156093d29951128c236e1a6c4bc0e8eschrock#define ZIO_MAXDEPTH 16
fac3008cc3156093d29951128c236e1a6c4bc0e8eschrock
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrockstatic int
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrockzio_print_cb(uintptr_t addr, const void *data, void *priv)
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock{
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock const zio_t *zio = data;
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock uintptr_t depth = (uintptr_t)priv;
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock mdb_ctf_id_t type_enum, stage_enum;
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock const char *type, *stage;
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock int maxdepth;
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock
fac3008cc3156093d29951128c236e1a6c4bc0e8eschrock maxdepth = sizeof (uintptr_t) * 2 + ZIO_MAXDEPTH;
fac3008cc3156093d29951128c236e1a6c4bc0e8eschrock if (depth > ZIO_MAXDEPTH)
fac3008cc3156093d29951128c236e1a6c4bc0e8eschrock depth = ZIO_MAXDEPTH;
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock if (mdb_ctf_lookup_by_name("enum zio_type", &type_enum) == -1 ||
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock mdb_ctf_lookup_by_name("enum zio_stage", &stage_enum) == -1) {
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock mdb_warn("failed to lookup zio enums");
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock return (WALK_ERR);
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock }
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock if ((type = mdb_ctf_enum_name(type_enum, zio->io_type)) != NULL)
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock type += sizeof ("ZIO_TYPE_") - 1;
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock else
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock type = "?";
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock if ((stage = mdb_ctf_enum_name(stage_enum, zio->io_stage)) != NULL)
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock stage += sizeof ("ZIO_STAGE_") - 1;
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock else
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock stage = "?";
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock mdb_printf("%*s%-*p %-5s %-22s ",
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock depth, "", maxdepth - depth, addr, type, stage);
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock if (zio->io_waiter)
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock mdb_printf("%?p\n", zio->io_waiter);
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock else
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock mdb_printf("-\n");
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock if (mdb_pwalk("zio_child", zio_print_cb, (void *)(depth + 1),
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock addr) != 0) {
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock mdb_warn("failed to walk zio_t children at %p\n", addr);
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock return (WALK_ERR);
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock }
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock return (WALK_NEXT);
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock}
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock/*ARGSUSED*/
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrockstatic int
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrockzio_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock{
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock zio_t zio;
fac3008cc3156093d29951128c236e1a6c4bc0e8eschrock int maxdepth;
fac3008cc3156093d29951128c236e1a6c4bc0e8eschrock
fac3008cc3156093d29951128c236e1a6c4bc0e8eschrock maxdepth = sizeof (uintptr_t) * 2 + ZIO_MAXDEPTH;
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock if (!(flags & DCMD_ADDRSPEC))
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock return (DCMD_USAGE);
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock if (mdb_vread(&zio, sizeof (zio_t), addr) == -1) {
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock mdb_warn("failed to read zio_t at %p", addr);
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock return (DCMD_ERR);
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock }
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock
fac3008cc3156093d29951128c236e1a6c4bc0e8eschrock if (DCMD_HDRSPEC(flags))
fac3008cc3156093d29951128c236e1a6c4bc0e8eschrock mdb_printf("%<u>%-*s %-5s %-22s %-?s%</u>\n", maxdepth,
fac3008cc3156093d29951128c236e1a6c4bc0e8eschrock "ADDRESS", "TYPE", "STAGE", "WAITER");
fac3008cc3156093d29951128c236e1a6c4bc0e8eschrock
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock if (zio_print_cb(addr, &zio, NULL) != WALK_NEXT)
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock return (DCMD_ERR);
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock return (DCMD_OK);
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock}
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock/*
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock * [addr]::zio_state
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock *
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock * Print a summary of all zio_t structures on the system, or for a particular
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock * pool. This is equivalent to '::walk zio_root | ::zio'.
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock */
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock/*ARGSUSED*/
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrockstatic int
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrockzio_state(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock{
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock /*
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock * MDB will remember the last address of the pipeline, so if we don't
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock * zero this we'll end up trying to walk zio structures for a
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock * non-existent spa_t.
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock */
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock if (!(flags & DCMD_ADDRSPEC))
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock addr = 0;
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock return (mdb_pwalk_dcmd("zio_root", "zio", argc, argv, addr));
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock}
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock
fa9e4066f08beec538e775443c5be79dd423fcabahrenstypedef struct txg_list_walk_data {
fa9e4066f08beec538e775443c5be79dd423fcabahrens uintptr_t lw_head[TXG_SIZE];
fa9e4066f08beec538e775443c5be79dd423fcabahrens int lw_txgoff;
fa9e4066f08beec538e775443c5be79dd423fcabahrens int lw_maxoff;
fa9e4066f08beec538e775443c5be79dd423fcabahrens size_t lw_offset;
fa9e4066f08beec538e775443c5be79dd423fcabahrens void *lw_obj;
fa9e4066f08beec538e775443c5be79dd423fcabahrens} txg_list_walk_data_t;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic int
fa9e4066f08beec538e775443c5be79dd423fcabahrenstxg_list_walk_init_common(mdb_walk_state_t *wsp, int txg, int maxoff)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
fa9e4066f08beec538e775443c5be79dd423fcabahrens txg_list_walk_data_t *lwd;
fa9e4066f08beec538e775443c5be79dd423fcabahrens txg_list_t list;
fa9e4066f08beec538e775443c5be79dd423fcabahrens int i;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens lwd = mdb_alloc(sizeof (txg_list_walk_data_t), UM_SLEEP | UM_GC);
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (mdb_vread(&list, sizeof (txg_list_t), wsp->walk_addr) == -1) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_warn("failed to read txg_list_t at %#lx", wsp->walk_addr);
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (WALK_ERR);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens for (i = 0; i < TXG_SIZE; i++)
fa9e4066f08beec538e775443c5be79dd423fcabahrens lwd->lw_head[i] = (uintptr_t)list.tl_head[i];
fa9e4066f08beec538e775443c5be79dd423fcabahrens lwd->lw_offset = list.tl_offset;
fa9e4066f08beec538e775443c5be79dd423fcabahrens lwd->lw_obj = mdb_alloc(lwd->lw_offset + sizeof (txg_node_t),
fa9e4066f08beec538e775443c5be79dd423fcabahrens UM_SLEEP | UM_GC);
fa9e4066f08beec538e775443c5be79dd423fcabahrens lwd->lw_txgoff = txg;
fa9e4066f08beec538e775443c5be79dd423fcabahrens lwd->lw_maxoff = maxoff;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens wsp->walk_addr = lwd->lw_head[lwd->lw_txgoff];
fa9e4066f08beec538e775443c5be79dd423fcabahrens wsp->walk_data = lwd;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (WALK_NEXT);
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic int
fa9e4066f08beec538e775443c5be79dd423fcabahrenstxg_list_walk_init(mdb_walk_state_t *wsp)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (txg_list_walk_init_common(wsp, 0, TXG_SIZE-1));
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic int
fa9e4066f08beec538e775443c5be79dd423fcabahrenstxg_list0_walk_init(mdb_walk_state_t *wsp)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (txg_list_walk_init_common(wsp, 0, 0));
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic int
fa9e4066f08beec538e775443c5be79dd423fcabahrenstxg_list1_walk_init(mdb_walk_state_t *wsp)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (txg_list_walk_init_common(wsp, 1, 1));
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic int
fa9e4066f08beec538e775443c5be79dd423fcabahrenstxg_list2_walk_init(mdb_walk_state_t *wsp)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (txg_list_walk_init_common(wsp, 2, 2));
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic int
fa9e4066f08beec538e775443c5be79dd423fcabahrenstxg_list3_walk_init(mdb_walk_state_t *wsp)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (txg_list_walk_init_common(wsp, 3, 3));
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic int
fa9e4066f08beec538e775443c5be79dd423fcabahrenstxg_list_walk_step(mdb_walk_state_t *wsp)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
fa9e4066f08beec538e775443c5be79dd423fcabahrens txg_list_walk_data_t *lwd = wsp->walk_data;
fa9e4066f08beec538e775443c5be79dd423fcabahrens uintptr_t addr;
fa9e4066f08beec538e775443c5be79dd423fcabahrens txg_node_t *node;
fa9e4066f08beec538e775443c5be79dd423fcabahrens int status;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens while (wsp->walk_addr == NULL && lwd->lw_txgoff < lwd->lw_maxoff) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens lwd->lw_txgoff++;
fa9e4066f08beec538e775443c5be79dd423fcabahrens wsp->walk_addr = lwd->lw_head[lwd->lw_txgoff];
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (wsp->walk_addr == NULL)
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (WALK_DONE);
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens addr = wsp->walk_addr - lwd->lw_offset;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (mdb_vread(lwd->lw_obj,
fa9e4066f08beec538e775443c5be79dd423fcabahrens lwd->lw_offset + sizeof (txg_node_t), addr) == -1) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_warn("failed to read list element at %#lx", addr);
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (WALK_ERR);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens status = wsp->walk_callback(addr, lwd->lw_obj, wsp->walk_cbdata);
fa9e4066f08beec538e775443c5be79dd423fcabahrens node = (txg_node_t *)((uintptr_t)lwd->lw_obj + lwd->lw_offset);
fa9e4066f08beec538e775443c5be79dd423fcabahrens wsp->walk_addr = (uintptr_t)node->tn_next[lwd->lw_txgoff];
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (status);
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens/*
fa9e4066f08beec538e775443c5be79dd423fcabahrens * ::walk spa
fa9e4066f08beec538e775443c5be79dd423fcabahrens *
fa9e4066f08beec538e775443c5be79dd423fcabahrens * Walk all named spa_t structures in the namespace. This is nothing more than
fa9e4066f08beec538e775443c5be79dd423fcabahrens * a layered avl walk.
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic int
fa9e4066f08beec538e775443c5be79dd423fcabahrensspa_walk_init(mdb_walk_state_t *wsp)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
fa9e4066f08beec538e775443c5be79dd423fcabahrens GElf_Sym sym;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (wsp->walk_addr != NULL) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_warn("spa walk only supports global walks\n");
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (WALK_ERR);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (mdb_lookup_by_obj(ZFS_OBJ_NAME, "spa_namespace_avl", &sym) == -1) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_warn("failed to find symbol 'spa_namespace_avl'");
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (WALK_ERR);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens wsp->walk_addr = (uintptr_t)sym.st_value;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (mdb_layered_walk("avl", wsp) == -1) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_warn("failed to walk 'avl'\n");
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (WALK_ERR);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (WALK_NEXT);
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic int
fa9e4066f08beec538e775443c5be79dd423fcabahrensspa_walk_step(mdb_walk_state_t *wsp)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
fa9e4066f08beec538e775443c5be79dd423fcabahrens spa_t spa;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (mdb_vread(&spa, sizeof (spa), wsp->walk_addr) == -1) {
fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_warn("failed to read spa_t at %p", wsp->walk_addr);
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (WALK_ERR);
fa9e4066f08beec538e775443c5be79dd423fcabahrens }
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (wsp->walk_callback(wsp->walk_addr, &spa, wsp->walk_cbdata));
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock/*
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock * [addr]::walk zio
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock *
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock * Walk all active zio_t structures on the system. This is simply a layered
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock * walk on top of ::walk zio_cache, with the optional ability to limit the
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock * structures to a particular pool.
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock */
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrockstatic int
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrockzio_walk_init(mdb_walk_state_t *wsp)
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock{
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock wsp->walk_data = (void *)wsp->walk_addr;
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock if (mdb_layered_walk("zio_cache", wsp) == -1) {
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock mdb_warn("failed to walk 'zio_cache'\n");
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock return (WALK_ERR);
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock }
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock return (WALK_NEXT);
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock}
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrockstatic int
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrockzio_walk_step(mdb_walk_state_t *wsp)
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock{
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock zio_t zio;
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock if (mdb_vread(&zio, sizeof (zio), wsp->walk_addr) == -1) {
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock mdb_warn("failed to read zio_t at %p", wsp->walk_addr);
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock return (WALK_ERR);
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock }
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock if (wsp->walk_data != NULL && wsp->walk_data != zio.io_spa)
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock return (WALK_NEXT);
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock return (wsp->walk_callback(wsp->walk_addr, &zio, wsp->walk_cbdata));
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock}
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock/*
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock * ::walk zio_child
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock *
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock * Walk the children of a zio_t structure.
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock */
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrockstatic int
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrockzio_child_walk_init(mdb_walk_state_t *wsp)
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock{
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock zio_t zio;
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock if (wsp->walk_addr == 0) {
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock mdb_warn("::walk zio_child doesn't support global walks\n");
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock return (WALK_ERR);
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock }
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock if (mdb_vread(&zio, sizeof (zio), wsp->walk_addr) == -1) {
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock mdb_warn("failed to read zio_t at %p", wsp->walk_addr);
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock return (WALK_ERR);
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock }
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock wsp->walk_addr = (uintptr_t)zio.io_child;
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock return (WALK_NEXT);
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock}
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrockstatic int
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrockzio_sibling_walk_step(mdb_walk_state_t *wsp)
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock{
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock zio_t zio;
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock int status;
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock if (wsp->walk_addr == NULL)
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock return (WALK_DONE);
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock if (mdb_vread(&zio, sizeof (zio), wsp->walk_addr) == -1) {
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock mdb_warn("failed to read zio_t at %p", wsp->walk_addr);
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock return (WALK_ERR);
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock }
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock status = wsp->walk_callback(wsp->walk_addr, &zio, wsp->walk_cbdata);
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock wsp->walk_addr = (uintptr_t)zio.io_sibling_next;
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock return (status);
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock}
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock/*
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock * [addr]::walk zio_root
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock *
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock * Walk only root zio_t structures, optionally for a particular spa_t.
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock */
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrockstatic int
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrockzio_walk_root_step(mdb_walk_state_t *wsp)
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock{
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock zio_t zio;
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock if (mdb_vread(&zio, sizeof (zio), wsp->walk_addr) == -1) {
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock mdb_warn("failed to read zio_t at %p", wsp->walk_addr);
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock return (WALK_ERR);
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock }
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock if (wsp->walk_data != NULL && wsp->walk_data != zio.io_spa)
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock return (WALK_NEXT);
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock
e14bb3258d05c1b1077e2db7cf77088924e56919Jeff Bonwick if ((uintptr_t)zio.io_parent != NULL)
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock return (WALK_NEXT);
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock return (wsp->walk_callback(wsp->walk_addr, &zio, wsp->walk_cbdata));
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock}
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens#define NICENUM_BUFLEN 6
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrensstatic int
ff64c0f7947882a0dbee45c31d69cb30bd003e5fMatthew Ahrenssnprintfrac(char *buf, int len,
ff64c0f7947882a0dbee45c31d69cb30bd003e5fMatthew Ahrens uint64_t numerator, uint64_t denom, int frac_digits)
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens{
ff64c0f7947882a0dbee45c31d69cb30bd003e5fMatthew Ahrens int mul = 1;
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens int whole, frac, i;
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens for (i = frac_digits; i; i--)
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens mul *= 10;
ff64c0f7947882a0dbee45c31d69cb30bd003e5fMatthew Ahrens whole = numerator / denom;
ff64c0f7947882a0dbee45c31d69cb30bd003e5fMatthew Ahrens frac = mul * numerator / denom - mul * whole;
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens return (mdb_snprintf(buf, len, "%u.%0*u", whole, frac_digits, frac));
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens}
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrensstatic void
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrensmdb_nicenum(uint64_t num, char *buf)
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens{
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens uint64_t n = num;
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens int index = 0;
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens char *u;
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens while (n >= 1024) {
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens n = (n + (1024 / 2)) / 1024; /* Round up or down */
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens index++;
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens }
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens u = &" \0K\0M\0G\0T\0P\0E\0"[index*2];
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens if (index == 0) {
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens (void) mdb_snprintf(buf, NICENUM_BUFLEN, "%llu",
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens (u_longlong_t)n);
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens } else if (n < 10 && (num & (num - 1)) != 0) {
ff64c0f7947882a0dbee45c31d69cb30bd003e5fMatthew Ahrens (void) snprintfrac(buf, NICENUM_BUFLEN,
ff64c0f7947882a0dbee45c31d69cb30bd003e5fMatthew Ahrens num, 1ULL << 10 * index, 2);
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens strcat(buf, u);
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens } else if (n < 100 && (num & (num - 1)) != 0) {
ff64c0f7947882a0dbee45c31d69cb30bd003e5fMatthew Ahrens (void) snprintfrac(buf, NICENUM_BUFLEN,
ff64c0f7947882a0dbee45c31d69cb30bd003e5fMatthew Ahrens num, 1ULL << 10 * index, 1);
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens strcat(buf, u);
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens } else {
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens (void) mdb_snprintf(buf, NICENUM_BUFLEN, "%llu%s",
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens (u_longlong_t)n, u);
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens }
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens}
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens/*
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens * ::zfs_blkstats
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens *
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens * -v print verbose per-level information
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens *
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens */
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrensstatic int
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrenszfs_blkstats(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens{
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens boolean_t verbose = B_FALSE;
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens zfs_all_blkstats_t stats;
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens dmu_object_type_t t;
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens zfs_blkstat_t *tzb;
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens uint64_t ditto;
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens dmu_object_type_info_t dmu_ot[DMU_OT_NUMTYPES + 10];
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens /* +10 in case it grew */
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens if (mdb_readvar(&dmu_ot, "dmu_ot") == -1) {
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens mdb_warn("failed to read 'dmu_ot'");
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens return (DCMD_ERR);
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens }
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens if (mdb_getopts(argc, argv,
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens 'v', MDB_OPT_SETBITS, TRUE, &verbose,
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens NULL) != argc)
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens return (DCMD_USAGE);
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens if (!(flags & DCMD_ADDRSPEC))
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens return (DCMD_USAGE);
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens if (GETMEMB(addr, struct spa, spa_dsl_pool, addr) ||
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens GETMEMB(addr, struct dsl_pool, dp_blkstats, addr) ||
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens mdb_vread(&stats, sizeof (zfs_all_blkstats_t), addr) == -1) {
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens mdb_warn("failed to read data at %p;", addr);
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens mdb_printf("maybe no stats? run \"zpool scrub\" first.");
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens return (DCMD_ERR);
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens }
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens tzb = &stats.zab_type[DN_MAX_LEVELS][DMU_OT_NUMTYPES];
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens if (tzb->zb_gangs != 0) {
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens mdb_printf("Ganged blocks: %llu\n",
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens (longlong_t)tzb->zb_gangs);
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens }
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens ditto = tzb->zb_ditto_2_of_2_samevdev + tzb->zb_ditto_2_of_3_samevdev +
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens tzb->zb_ditto_3_of_3_samevdev;
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens if (ditto != 0) {
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens mdb_printf("Dittoed blocks on same vdev: %llu\n",
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens (longlong_t)ditto);
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens }
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens mdb_printf("\nBlocks\tLSIZE\tPSIZE\tASIZE"
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens "\t avg\t comp\t%%Total\tType\n");
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens for (t = 0; t <= DMU_OT_NUMTYPES; t++) {
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens char csize[NICENUM_BUFLEN], lsize[NICENUM_BUFLEN];
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens char psize[NICENUM_BUFLEN], asize[NICENUM_BUFLEN];
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens char avg[NICENUM_BUFLEN];
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens char comp[NICENUM_BUFLEN], pct[NICENUM_BUFLEN];
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens char typename[64];
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens int l;
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens if (t == DMU_OT_DEFERRED)
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens strcpy(typename, "deferred free");
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens else if (t == DMU_OT_TOTAL)
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens strcpy(typename, "Total");
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens else if (mdb_readstr(typename, sizeof (typename),
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens (uintptr_t)dmu_ot[t].ot_name) == -1) {
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens mdb_warn("failed to read type name");
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens return (DCMD_ERR);
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens }
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens if (stats.zab_type[DN_MAX_LEVELS][t].zb_asize == 0)
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens continue;
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens for (l = -1; l < DN_MAX_LEVELS; l++) {
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens int level = (l == -1 ? DN_MAX_LEVELS : l);
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens zfs_blkstat_t *zb = &stats.zab_type[level][t];
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens if (zb->zb_asize == 0)
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens continue;
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens /*
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens * Don't print each level unless requested.
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens */
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens if (!verbose && level != DN_MAX_LEVELS)
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens continue;
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens /*
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens * If all the space is level 0, don't print the
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens * level 0 separately.
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens */
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens if (level == 0 && zb->zb_asize ==
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens stats.zab_type[DN_MAX_LEVELS][t].zb_asize)
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens continue;
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens mdb_nicenum(zb->zb_count, csize);
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens mdb_nicenum(zb->zb_lsize, lsize);
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens mdb_nicenum(zb->zb_psize, psize);
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens mdb_nicenum(zb->zb_asize, asize);
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens mdb_nicenum(zb->zb_asize / zb->zb_count, avg);
ff64c0f7947882a0dbee45c31d69cb30bd003e5fMatthew Ahrens (void) snprintfrac(comp, NICENUM_BUFLEN,
ff64c0f7947882a0dbee45c31d69cb30bd003e5fMatthew Ahrens zb->zb_lsize, zb->zb_psize, 2);
ff64c0f7947882a0dbee45c31d69cb30bd003e5fMatthew Ahrens (void) snprintfrac(pct, NICENUM_BUFLEN,
ff64c0f7947882a0dbee45c31d69cb30bd003e5fMatthew Ahrens 100 * zb->zb_asize, tzb->zb_asize, 2);
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens mdb_printf("%6s\t%5s\t%5s\t%5s\t%5s"
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens "\t%5s\t%6s\t",
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens csize, lsize, psize, asize, avg, comp, pct);
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens if (level == DN_MAX_LEVELS)
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens mdb_printf("%s\n", typename);
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens else
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens mdb_printf(" L%d %s\n",
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens level, typename);
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens }
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens }
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens return (DCMD_OK);
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens}
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens/*
fa9e4066f08beec538e775443c5be79dd423fcabahrens * MDB module linkage information:
fa9e4066f08beec538e775443c5be79dd423fcabahrens *
fa9e4066f08beec538e775443c5be79dd423fcabahrens * We declare a list of structures describing our dcmds, and a function
fa9e4066f08beec538e775443c5be79dd423fcabahrens * named _mdb_init to return a pointer to our module information.
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic const mdb_dcmd_t dcmds[] = {
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens { "arc", "[-bkmg]", "print ARC variables", arc_print },
fa9e4066f08beec538e775443c5be79dd423fcabahrens { "blkptr", ":", "print blkptr_t", blkptr },
fa9e4066f08beec538e775443c5be79dd423fcabahrens { "dbuf", ":", "print dmu_buf_impl_t", dbuf },
fa9e4066f08beec538e775443c5be79dd423fcabahrens { "dbuf_stats", ":", "dbuf stats", dbuf_stats },
fa9e4066f08beec538e775443c5be79dd423fcabahrens { "dbufs",
3cb34c601f3ef3016f638574f5982e80c3735c71ahrens "\t[-O objset_impl_t*] [-n objset_name | \"mos\"] "
3cb34c601f3ef3016f638574f5982e80c3735c71ahrens "[-o object | \"mdn\"] \n"
fa9e4066f08beec538e775443c5be79dd423fcabahrens "\t[-l level] [-b blkid | \"bonus\"]",
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens "find dmu_buf_impl_t's that match specified criteria", dbufs },
fa9e4066f08beec538e775443c5be79dd423fcabahrens { "abuf_find", "dva_word[0] dva_word[1]",
fa9e4066f08beec538e775443c5be79dd423fcabahrens "find arc_buf_hdr_t of a specified DVA",
fa9e4066f08beec538e775443c5be79dd423fcabahrens abuf_find },
fa9e4066f08beec538e775443c5be79dd423fcabahrens { "spa", "?[-cv]", "spa_t summary", spa_print },
fa9e4066f08beec538e775443c5be79dd423fcabahrens { "spa_config", ":", "print spa_t configuration", spa_print_config },
fa9e4066f08beec538e775443c5be79dd423fcabahrens { "spa_verify", ":", "verify spa_t consistency", spa_verify },
fa9e4066f08beec538e775443c5be79dd423fcabahrens { "spa_space", ":[-b]", "print spa_t on-disk space usage", spa_space },
fa9e4066f08beec538e775443c5be79dd423fcabahrens { "spa_vdevs", ":", "given a spa_t, print vdev summary", spa_vdevs },
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens { "vdev", ":[-re]\n"
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens "\t-r display recursively\n"
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens "\t-e print statistics\n",
91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens "vdev_t summary", vdev_print },
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock { "zio", ":", "zio_t summary", zio_print },
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock { "zio_state", "?", "print out all zio_t structures on system or "
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock "for a particular pool", zio_state },
fa9e4066f08beec538e775443c5be79dd423fcabahrens { "zio_pipeline", ":", "decode a zio pipeline", zio_pipeline },
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens { "zfs_blkstats", ":[-v]",
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens "given a spa_t, print block type stats from last scrub",
88b7b0f29b20b808b9e06071885b1d6a3ddb6328Matthew Ahrens zfs_blkstats },
614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens { "zfs_params", "", "print zfs tunable parameters", zfs_params },
fa9e4066f08beec538e775443c5be79dd423fcabahrens { NULL }
fa9e4066f08beec538e775443c5be79dd423fcabahrens};
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic const mdb_walker_t walkers[] = {
fa9e4066f08beec538e775443c5be79dd423fcabahrens /*
fa9e4066f08beec538e775443c5be79dd423fcabahrens * In userland, there is no generic provider of list_t walkers, so we
fa9e4066f08beec538e775443c5be79dd423fcabahrens * need to add it.
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
fa9e4066f08beec538e775443c5be79dd423fcabahrens#ifndef _KERNEL
fa9e4066f08beec538e775443c5be79dd423fcabahrens { LIST_WALK_NAME, LIST_WALK_DESC,
fa9e4066f08beec538e775443c5be79dd423fcabahrens list_walk_init, list_walk_step, list_walk_fini },
fa9e4066f08beec538e775443c5be79dd423fcabahrens#endif
fa9e4066f08beec538e775443c5be79dd423fcabahrens { "zms_freelist", "walk ZFS metaslab freelist",
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens freelist_walk_init, freelist_walk_step, NULL },
fa9e4066f08beec538e775443c5be79dd423fcabahrens { "txg_list", "given any txg_list_t *, walk all entries in all txgs",
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens txg_list_walk_init, txg_list_walk_step, NULL },
fa9e4066f08beec538e775443c5be79dd423fcabahrens { "txg_list0", "given any txg_list_t *, walk all entries in txg 0",
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens txg_list0_walk_init, txg_list_walk_step, NULL },
fa9e4066f08beec538e775443c5be79dd423fcabahrens { "txg_list1", "given any txg_list_t *, walk all entries in txg 1",
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens txg_list1_walk_init, txg_list_walk_step, NULL },
fa9e4066f08beec538e775443c5be79dd423fcabahrens { "txg_list2", "given any txg_list_t *, walk all entries in txg 2",
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens txg_list2_walk_init, txg_list_walk_step, NULL },
fa9e4066f08beec538e775443c5be79dd423fcabahrens { "txg_list3", "given any txg_list_t *, walk all entries in txg 3",
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens txg_list3_walk_init, txg_list_walk_step, NULL },
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock { "zio", "walk all zio structures, optionally for a particular spa_t",
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock zio_walk_init, zio_walk_step, NULL },
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock { "zio_child", "walk children of a zio_t structure",
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock zio_child_walk_init, zio_sibling_walk_step, NULL },
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock { "zio_root", "walk all root zio_t structures, optionally for a "
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock "particular spa_t",
ccae0b50330edda9b094cee1ec6a0ad35443e8b0eschrock zio_walk_init, zio_walk_root_step, NULL },
fa9e4066f08beec538e775443c5be79dd423fcabahrens { "spa", "walk all spa_t entries in the namespace",
fa9e4066f08beec538e775443c5be79dd423fcabahrens spa_walk_init, spa_walk_step, NULL },
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens { "metaslab", "given a spa_t *, walk all metaslab_t structures",
5f5f7a6f9c8e9c1587a54e690556d756ec67558cahrens metaslab_walk_init, metaslab_walk_step, NULL },
fa9e4066f08beec538e775443c5be79dd423fcabahrens { NULL }
fa9e4066f08beec538e775443c5be79dd423fcabahrens};
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic const mdb_modinfo_t modinfo = {
fa9e4066f08beec538e775443c5be79dd423fcabahrens MDB_API_VERSION, dcmds, walkers
fa9e4066f08beec538e775443c5be79dd423fcabahrens};
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrensconst mdb_modinfo_t *
fa9e4066f08beec538e775443c5be79dd423fcabahrens_mdb_init(void)
fa9e4066f08beec538e775443c5be79dd423fcabahrens{
fa9e4066f08beec538e775443c5be79dd423fcabahrens return (&modinfo);
fa9e4066f08beec538e775443c5be79dd423fcabahrens}