fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens#pragma ident "%Z%%M% %I% %E% SMI"

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;

fa9e4066f08beec538e775443c5be79dd423fcabahrens char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "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

fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic void

fa9e4066f08beec538e775443c5be79dd423fcabahrensfreelist_walk_fini(mdb_walk_state_t *wsp)

fa9e4066f08beec538e775443c5be79dd423fcabahrens{

fa9e4066f08beec538e775443c5be79dd423fcabahrens}

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrenstypedef struct dbuf_walk_data {

fa9e4066f08beec538e775443c5be79dd423fcabahrens dbuf_hash_table_t ht;

fa9e4066f08beec538e775443c5be79dd423fcabahrens int64_t bucket;

fa9e4066f08beec538e775443c5be79dd423fcabahrens uintptr_t dbp;

fa9e4066f08beec538e775443c5be79dd423fcabahrens dmu_buf_impl_t db;

fa9e4066f08beec538e775443c5be79dd423fcabahrens} dbuf_walk_data_t;

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic int

fa9e4066f08beec538e775443c5be79dd423fcabahrensdbuf_walk_init(mdb_walk_state_t *wsp)

fa9e4066f08beec538e775443c5be79dd423fcabahrens{

fa9e4066f08beec538e775443c5be79dd423fcabahrens dbuf_walk_data_t *dwd;

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (wsp->walk_addr != NULL) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_warn("must supply starting address\n");

fa9e4066f08beec538e775443c5be79dd423fcabahrens return (WALK_ERR);

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens dwd = mdb_alloc(sizeof (dbuf_walk_data_t), UM_SLEEP);

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (mdb_readvar(&dwd->ht, "dbuf_hash_table") == -1) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_warn("failed to read 'dbuf_hash_table'");

fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_free(dwd, sizeof (dbuf_walk_data_t));

fa9e4066f08beec538e775443c5be79dd423fcabahrens return (WALK_ERR);

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens dwd->bucket = -1;

fa9e4066f08beec538e775443c5be79dd423fcabahrens dwd->dbp = 0;

fa9e4066f08beec538e775443c5be79dd423fcabahrens wsp->walk_data = dwd;

fa9e4066f08beec538e775443c5be79dd423fcabahrens return (WALK_NEXT);

fa9e4066f08beec538e775443c5be79dd423fcabahrens}

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic int

fa9e4066f08beec538e775443c5be79dd423fcabahrensdbuf_walk_step(mdb_walk_state_t *wsp)

fa9e4066f08beec538e775443c5be79dd423fcabahrens{

fa9e4066f08beec538e775443c5be79dd423fcabahrens int status;

fa9e4066f08beec538e775443c5be79dd423fcabahrens dbuf_walk_data_t *dwd = wsp->walk_data;

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens while (dwd->dbp == 0) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens dwd->bucket++;

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (dwd->bucket == dwd->ht.hash_table_mask+1)

fa9e4066f08beec538e775443c5be79dd423fcabahrens return (WALK_DONE);

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (mdb_vread(&dwd->dbp, sizeof (void *),

fa9e4066f08beec538e775443c5be79dd423fcabahrens (uintptr_t)(dwd->ht.hash_table+dwd->bucket)) == -1) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_warn("failed to read hash bucket %u at %p",

fa9e4066f08beec538e775443c5be79dd423fcabahrens dwd->bucket, dwd->ht.hash_table+dwd->bucket);

fa9e4066f08beec538e775443c5be79dd423fcabahrens return (WALK_DONE);

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens wsp->walk_addr = dwd->dbp;

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (mdb_vread(&dwd->db, sizeof (dmu_buf_impl_t),

fa9e4066f08beec538e775443c5be79dd423fcabahrens wsp->walk_addr) == -1) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_warn("failed to read dbuf at %p", wsp->walk_addr);

fa9e4066f08beec538e775443c5be79dd423fcabahrens return (WALK_DONE);

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens status = wsp->walk_callback(wsp->walk_addr, &dwd->db, wsp->walk_cbdata);

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens dwd->dbp = (uintptr_t)dwd->db.db_hash_next;

fa9e4066f08beec538e775443c5be79dd423fcabahrens return (status);

fa9e4066f08beec538e775443c5be79dd423fcabahrens}

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic void

fa9e4066f08beec538e775443c5be79dd423fcabahrensdbuf_walk_fini(mdb_walk_state_t *wsp)

fa9e4066f08beec538e775443c5be79dd423fcabahrens{

fa9e4066f08beec538e775443c5be79dd423fcabahrens dbuf_walk_data_t *dwd = wsp->walk_data;

fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_free(dwd, sizeof (dbuf_walk_data_t));

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

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

fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic int

fa9e4066f08beec538e775443c5be79dd423fcabahrensblkptr(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)

fa9e4066f08beec538e775443c5be79dd423fcabahrens{

fa9e4066f08beec538e775443c5be79dd423fcabahrens blkptr_t bp;

fa9e4066f08beec538e775443c5be79dd423fcabahrens dva_t *dva;

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

fa9e4066f08beec538e775443c5be79dd423fcabahrens for (i = 0; i < SPA_DVAS_PER_BP; i++) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens dva = &bp.blk_dva[i];

fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("DVA[%d]: vdev_id %lld / %llx\n", i,

fa9e4066f08beec538e775443c5be79dd423fcabahrens DVA_GET_VDEV(dva), DVA_GET_OFFSET(dva));

fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("DVA[%d]: GRID: %04x\t"

fa9e4066f08beec538e775443c5be79dd423fcabahrens "ASIZE: %llx\n", i, DVA_GET_GRID(dva), DVA_GET_ASIZE(dva));

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("LSIZE: %-16llx\t\tPSIZE: %llx\n",

fa9e4066f08beec538e775443c5be79dd423fcabahrens BP_GET_LSIZE(&bp), BP_GET_PSIZE(&bp));

fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("ENDIAN: %6s GANG: %-5s\tTYPE: %s\n",

fa9e4066f08beec538e775443c5be79dd423fcabahrens BP_GET_BYTEORDER(&bp) ? "LITTLE" : "BIG",

fa9e4066f08beec538e775443c5be79dd423fcabahrens DVA_GET_GANG(dva) ? "TRUE" : "FALSE",

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

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

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

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 &&

fa9e4066f08beec538e775443c5be79dd423fcabahrens 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

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

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (mdb_pwalk("dbufs", dbufs_cb, &data, 0) != 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

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

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[] = {

fa9e4066f08beec538e775443c5be79dd423fcabahrens "ARC_mru_top",

fa9e4066f08beec538e775443c5be79dd423fcabahrens "ARC_mru_bot",

fa9e4066f08beec538e775443c5be79dd423fcabahrens "ARC_mfu_top",

fa9e4066f08beec538e775443c5be79dd423fcabahrens "ARC_mfu_bot",

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

fa9e4066f08beec538e775443c5be79dd423fcabahrensabuf_help(void)

fa9e4066f08beec538e775443c5be79dd423fcabahrens{

fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("::abuf_find dva_word[0] dva_word[1]\n");

fa9e4066f08beec538e775443c5be79dd423fcabahrens}

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic int

fa9e4066f08beec538e775443c5be79dd423fcabahrensspa_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)

fa9e4066f08beec538e775443c5be79dd423fcabahrens{

fa9e4066f08beec538e775443c5be79dd423fcabahrens spa_t spa;

fa9e4066f08beec538e775443c5be79dd423fcabahrens char poolname[MAXNAMELEN];

fa9e4066f08beec538e775443c5be79dd423fcabahrens const char *statetab[] = { "ACTIVE", "EXPORTED", "DESTROYED",

fa9e4066f08beec538e775443c5be79dd423fcabahrens "UNINIT", "UNAVAIL" };

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 (mdb_readstr(poolname, sizeof (poolname), (uintptr_t)spa.spa_name)

fa9e4066f08beec538e775443c5be79dd423fcabahrens == -1) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_warn("failed to read pool name at %p", spa.spa_name);

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

fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("%0?p %9s %s\n", addr, state, poolname);

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

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

fa9e4066f08beec538e775443c5be79dd423fcabahrensvdev_help(void)

fa9e4066f08beec538e775443c5be79dd423fcabahrens{

fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("[vdev_t*]::vdev [-qr]\n"

fa9e4066f08beec538e775443c5be79dd423fcabahrens "\t-> -q display vdev_queue parameters\n"

fa9e4066f08beec538e775443c5be79dd423fcabahrens "\t-> -r recursive (visit all children)\n");

fa9e4066f08beec538e775443c5be79dd423fcabahrens}

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic int

fa9e4066f08beec538e775443c5be79dd423fcabahrensdo_print_vdev(uintptr_t addr, int flags, int depth, int queue, 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:

fa9e4066f08beec538e775443c5be79dd423fcabahrens state = "CLOSED";

fa9e4066f08beec538e775443c5be79dd423fcabahrens break;

fa9e4066f08beec538e775443c5be79dd423fcabahrens case VDEV_STATE_OFFLINE:

fa9e4066f08beec538e775443c5be79dd423fcabahrens state = "OFFLINE";

fa9e4066f08beec538e775443c5be79dd423fcabahrens break;

fa9e4066f08beec538e775443c5be79dd423fcabahrens case VDEV_STATE_CANT_OPEN:

fa9e4066f08beec538e775443c5be79dd423fcabahrens state = "CANT_OPEN";

fa9e4066f08beec538e775443c5be79dd423fcabahrens break;

fa9e4066f08beec538e775443c5be79dd423fcabahrens case VDEV_STATE_DEGRADED:

fa9e4066f08beec538e775443c5be79dd423fcabahrens state = "DEGRADED";

fa9e4066f08beec538e775443c5be79dd423fcabahrens break;

fa9e4066f08beec538e775443c5be79dd423fcabahrens case VDEV_STATE_HEALTHY:

fa9e4066f08beec538e775443c5be79dd423fcabahrens state = "HEALTHY";

fa9e4066f08beec538e775443c5be79dd423fcabahrens break;

fa9e4066f08beec538e775443c5be79dd423fcabahrens default:

fa9e4066f08beec538e775443c5be79dd423fcabahrens state = "UNKNOWN";

fa9e4066f08beec538e775443c5be79dd423fcabahrens 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;

fa9e4066f08beec538e775443c5be79dd423fcabahrens default:

fa9e4066f08beec538e775443c5be79dd423fcabahrens aux = "UNKNOWN";

fa9e4066f08beec538e775443c5be79dd423fcabahrens break;

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("%-9s %-12s %*s%s\n", state, aux, depth, "", desc);

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (queue) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_inc_indent(4);

fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("\n");

fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("%p min pending 0x%llx\n",

fa9e4066f08beec538e775443c5be79dd423fcabahrens (uintptr_t)(addr + offsetof(vdev_t,

fa9e4066f08beec538e775443c5be79dd423fcabahrens vdev_queue.vq_min_pending)),

fa9e4066f08beec538e775443c5be79dd423fcabahrens vdev.vdev_queue.vq_min_pending);

fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("%p max pending 0x%llx\n",

fa9e4066f08beec538e775443c5be79dd423fcabahrens (uintptr_t)(addr + offsetof(vdev_t,

fa9e4066f08beec538e775443c5be79dd423fcabahrens vdev_queue.vq_max_pending)),

fa9e4066f08beec538e775443c5be79dd423fcabahrens vdev.vdev_queue.vq_max_pending);

fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("%p agg limit 0x%llx\n",

fa9e4066f08beec538e775443c5be79dd423fcabahrens (uintptr_t)(addr + offsetof(vdev_t,

fa9e4066f08beec538e775443c5be79dd423fcabahrens vdev_queue.vq_agg_limit)),

fa9e4066f08beec538e775443c5be79dd423fcabahrens vdev.vdev_queue.vq_agg_limit);

fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("%p time shift 0x%llx\n",

fa9e4066f08beec538e775443c5be79dd423fcabahrens (uintptr_t)(addr + offsetof(vdev_t,

fa9e4066f08beec538e775443c5be79dd423fcabahrens vdev_queue.vq_time_shift)),

fa9e4066f08beec538e775443c5be79dd423fcabahrens vdev.vdev_queue.vq_time_shift);

fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("%p ramp rate 0x%llx\n",

fa9e4066f08beec538e775443c5be79dd423fcabahrens (uintptr_t)(addr + offsetof(vdev_t,

fa9e4066f08beec538e775443c5be79dd423fcabahrens vdev_queue.vq_ramp_rate)),

fa9e4066f08beec538e775443c5be79dd423fcabahrens vdev.vdev_queue.vq_ramp_rate);

fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_dec_indent(4);

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

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

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (queue || 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++) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (do_print_vdev(child[c], flags, depth + 2, queue, 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 print_queue = FALSE;

fa9e4066f08beec538e775443c5be79dd423fcabahrens int recursive = FALSE;

fa9e4066f08beec538e775443c5be79dd423fcabahrens int stats = FALSE;

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (mdb_getopts(argc, argv,

fa9e4066f08beec538e775443c5be79dd423fcabahrens 'q', MDB_OPT_SETBITS, TRUE, &print_queue,

fa9e4066f08beec538e775443c5be79dd423fcabahrens 'r', MDB_OPT_SETBITS, TRUE, &recursive,

fa9e4066f08beec538e775443c5be79dd423fcabahrens 'e', MDB_OPT_SETBITS, TRUE, &stats,

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

fa9e4066f08beec538e775443c5be79dd423fcabahrens return (do_print_vdev(addr, flags, 0, print_queue, stats, recursive));

fa9e4066f08beec538e775443c5be79dd423fcabahrens}

fa9e4066f08beec538e775443c5be79dd423fcabahrens

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 uint64_t dd_used_bytes;

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;

fa9e4066f08beec538e775443c5be79dd423fcabahrens uint64_t ms_usable_space;

fa9e4066f08beec538e775443c5be79dd423fcabahrens} mdb_metaslab_t;

fa9e4066f08beec538e775443c5be79dd423fcabahrens

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;

fa9e4066f08beec538e775443c5be79dd423fcabahrens uintptr_t *child;

fa9e4066f08beec538e775443c5be79dd423fcabahrens uint64_t ms_allocmap[TXG_SIZE] = {0, 0, 0, 0};

fa9e4066f08beec538e775443c5be79dd423fcabahrens uint64_t ms_freemap[TXG_SIZE] = {0, 0, 0, 0};

fa9e4066f08beec538e775443c5be79dd423fcabahrens uint64_t ms_map = 0;

fa9e4066f08beec538e775443c5be79dd423fcabahrens uint64_t ms_usable_space = 0;

fa9e4066f08beec538e775443c5be79dd423fcabahrens int i, j;

fa9e4066f08beec538e775443c5be79dd423fcabahrens int havecompressed = TRUE;

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_used_bytes, dd.dd_used_bytes) ||

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,

fa9e4066f08beec538e775443c5be79dd423fcabahrens dd_used_bytes, dsp.dd_used_bytes)) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_ERR);

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (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 havecompressed = FALSE;

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens child = mdb_alloc(children * sizeof (void *), UM_SLEEP | UM_GC);

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (mdb_vread(child, children * sizeof (void *), childaddr) == -1) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_warn("failed to read root vdev children at %p", childaddr);

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 mdb_printf("dd_used_bytes = %llu%s\n",

fa9e4066f08beec538e775443c5be79dd423fcabahrens dd.dd_used_bytes >> shift, suffix);

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("dd_phys.dd_used_bytes = %llu%s\n",

fa9e4066f08beec538e775443c5be79dd423fcabahrens dsp.dd_used_bytes >> shift, suffix);

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (havecompressed) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("dd_phys.dd_compressed_bytes = %llu%s\n",

fa9e4066f08beec538e775443c5be79dd423fcabahrens dsp.dd_compressed_bytes >> shift, suffix);

fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("dd_phys.dd_uncompressed_bytes = %llu%s\n",

fa9e4066f08beec538e775443c5be79dd423fcabahrens dsp.dd_uncompressed_bytes >> shift, suffix);

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens for (i = 0; i < children; i++) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_vdev_t vd;

fa9e4066f08beec538e775443c5be79dd423fcabahrens uintptr_t *vdev_ms;

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (GETMEMB(child[i], struct vdev,

fa9e4066f08beec538e775443c5be79dd423fcabahrens vdev_parent, vd.vdev_parent) ||

fa9e4066f08beec538e775443c5be79dd423fcabahrens GETMEMB(child[i], struct vdev,

fa9e4066f08beec538e775443c5be79dd423fcabahrens vdev_stat, vd.vdev_stat) ||

fa9e4066f08beec538e775443c5be79dd423fcabahrens GETMEMB(child[i], struct vdev, vdev_ms, vd.vdev_ms) ||

fa9e4066f08beec538e775443c5be79dd423fcabahrens GETMEMB(child[i], struct vdev,

fa9e4066f08beec538e775443c5be79dd423fcabahrens vdev_ms_count, vd.vdev_ms_count)) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_ERR);

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens /*

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (vd.vdev_parent == NULL) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("pool_alloc = %llu%s\n",

fa9e4066f08beec538e775443c5be79dd423fcabahrens vd.vdev_stat.vs_alloc >> shift, suffix);

fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("pool_space = %llu%s\n",

fa9e4066f08beec538e775443c5be79dd423fcabahrens vd.vdev_stat.vs_space >> shift, suffix);

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens /*

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (vd.vdev_parent != spa.spa_root_vdev)

fa9e4066f08beec538e775443c5be79dd423fcabahrens continue;

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens vdev_ms = mdb_alloc(vd.vdev_ms_count * sizeof (void*),

fa9e4066f08beec538e775443c5be79dd423fcabahrens UM_SLEEP | UM_GC);

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (mdb_vread(vdev_ms, vd.vdev_ms_count * sizeof (void*),

fa9e4066f08beec538e775443c5be79dd423fcabahrens (uintptr_t)vd.vdev_ms) == -1) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_warn("failed to read vdev_ms at %p", vd.vdev_ms);

fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_ERR);

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens for (j = 0; j < vd.vdev_ms_count; j++) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_metaslab_t ms;

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (GETMEMB(vdev_ms[j], struct metaslab,

fa9e4066f08beec538e775443c5be79dd423fcabahrens ms_allocmap, ms.ms_allocmap) ||

fa9e4066f08beec538e775443c5be79dd423fcabahrens GETMEMB(vdev_ms[j], struct metaslab,

fa9e4066f08beec538e775443c5be79dd423fcabahrens ms_freemap, ms.ms_freemap) ||

fa9e4066f08beec538e775443c5be79dd423fcabahrens GETMEMB(vdev_ms[j], struct metaslab,

fa9e4066f08beec538e775443c5be79dd423fcabahrens ms_map, ms.ms_map) ||

fa9e4066f08beec538e775443c5be79dd423fcabahrens GETMEMB(vdev_ms[j], struct metaslab,

fa9e4066f08beec538e775443c5be79dd423fcabahrens ms_usable_space, ms.ms_usable_space)) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_ERR);

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens