fa9e4066f08beec538e775443c5be79dd423fcabahrens

55da60b91d96984f12de050ce428373ea25c7f35Mark J Musante

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/vdev_impl.h>

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens#include <sys/zap_leaf.h>

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens#include <sys/zap_impl.h>

9966ca11f4a1481acce85f690fa59e4084050627Matthew Ahrens#include <ctype.h>

0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum#include <sys/zfs_acl.h>

0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum#include <sys/sa_impl.h>

dcbf3bd6a1f1360fc1afcee9e22c6dcff7844bf2George Wilson#include <sys/multilist.h>

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens#ifdef _KERNEL

fa9e4066f08beec538e775443c5be79dd423fcabahrens#define ZFS_OBJ_NAME "zfs"

c55e05cb35da47582b7afd38734d2f0d9c6deb40Matthew Ahrensextern int64_t mdb_gethrtime(void);

fa9e4066f08beec538e775443c5be79dd423fcabahrens#else

fa9e4066f08beec538e775443c5be79dd423fcabahrens#define ZFS_OBJ_NAME "libzpool.so.1"

fa9e4066f08beec538e775443c5be79dd423fcabahrens#endif

fa9e4066f08beec538e775443c5be79dd423fcabahrens

28e4da25922bdfc5cba7ab29f47de911bbd78009Matthew Ahrens#define ZFS_STRUCT "struct " ZFS_OBJ_NAME "`"

28e4da25922bdfc5cba7ab29f47de911bbd78009Matthew Ahrens

feef89cf5f5fee792c1a396bb0e48070935cf65aVictor Latushkin#ifndef _KERNEL

feef89cf5f5fee792c1a396bb0e48070935cf65aVictor Latushkinint aok;

feef89cf5f5fee792c1a396bb0e48070935cf65aVictor Latushkin#endif

feef89cf5f5fee792c1a396bb0e48070935cf65aVictor Latushkin

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilsonenum spa_flags {

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson SPA_FLAG_CONFIG = 1 << 0,

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson SPA_FLAG_VDEVS = 1 << 1,

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson SPA_FLAG_ERRORS = 1 << 2,

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson SPA_FLAG_METASLAB_GROUPS = 1 << 3,

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson SPA_FLAG_METASLABS = 1 << 4,

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson SPA_FLAG_HISTOGRAMS = 1 << 5

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson};

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson#define SPA_FLAG_ALL_VDEV \

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson (SPA_FLAG_VDEVS | SPA_FLAG_ERRORS | SPA_FLAG_METASLAB_GROUPS | \

91e2a09f39b7b47ff919323f4118fab26e6641d8Steve Gonczi SPA_FLAG_METASLABS)

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson

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

28e4da25922bdfc5cba7ab29f47de911bbd78009Matthew Ahrens#define GETMEMB(addr, structname, member, dest) \

28e4da25922bdfc5cba7ab29f47de911bbd78009Matthew Ahrens getmember(addr, ZFS_STRUCT structname, NULL, #member, \

28e4da25922bdfc5cba7ab29f47de911bbd78009Matthew Ahrens sizeof (dest), &(dest))

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens#define GETMEMBID(addr, ctfid, member, dest) \

fa9e4066f08beec538e775443c5be79dd423fcabahrens getmember(addr, NULL, ctfid, #member, sizeof (dest), &(dest))

fa9e4066f08beec538e775443c5be79dd423fcabahrens

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Lingstatic boolean_t

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Lingstrisprint(const char *cp)

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling{

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling for (; *cp; cp++) {

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling if (!isprint(*cp))

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling return (B_FALSE);

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling }

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling return (B_TRUE);

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling}

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson#define NICENUM_BUFLEN 6

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilsonstatic int

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilsonsnprintfrac(char *buf, int len,

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson uint64_t numerator, uint64_t denom, int frac_digits)

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson{

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson int mul = 1;

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson int whole, frac, i;

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson for (i = frac_digits; i; i--)

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson mul *= 10;

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson whole = numerator / denom;

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson frac = mul * numerator / denom - mul * whole;

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson return (mdb_snprintf(buf, len, "%u.%0*u", whole, frac_digits, frac));

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson}

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilsonstatic void

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilsonmdb_nicenum(uint64_t num, char *buf)

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson{

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson uint64_t n = num;

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson int index = 0;

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson char *u;

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson while (n >= 1024) {

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson n = (n + (1024 / 2)) / 1024; /* Round up or down */

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson index++;

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson }

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson u = &" \0K\0M\0G\0T\0P\0E\0"[index*2];

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson if (index == 0) {

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson (void) mdb_snprintf(buf, NICENUM_BUFLEN, "%llu",

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson (u_longlong_t)n);

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson } else if (n < 10 && (num & (num - 1)) != 0) {

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson (void) snprintfrac(buf, NICENUM_BUFLEN,

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson num, 1ULL << 10 * index, 2);

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson strcat(buf, u);

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson } else if (n < 100 && (num & (num - 1)) != 0) {

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson (void) snprintfrac(buf, NICENUM_BUFLEN,

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson num, 1ULL << 10 * index, 1);

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson strcat(buf, u);

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson } else {

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson (void) mdb_snprintf(buf, NICENUM_BUFLEN, "%llu%s",

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson (u_longlong_t)n, u);

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson }

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson}

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson

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

fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic int

28e4da25922bdfc5cba7ab29f47de911bbd78009Matthew Ahrensmdb_dsl_dir_name(uintptr_t addr, char *buf)

fa9e4066f08beec538e775443c5be79dd423fcabahrens{

fa9e4066f08beec538e775443c5be79dd423fcabahrens static int gotid;

fa9e4066f08beec538e775443c5be79dd423fcabahrens static mdb_ctf_id_t dd_id;

fa9e4066f08beec538e775443c5be79dd423fcabahrens uintptr_t dd_parent;

9adfa60d484ce2435f5af77cc99dcd4e692b6660Matthew Ahrens char dd_myname[ZFS_MAX_DATASET_NAME_LEN];

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (!gotid) {

28e4da25922bdfc5cba7ab29f47de911bbd78009Matthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_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) {

28e4da25922bdfc5cba7ab29f47de911bbd78009Matthew Ahrens if (mdb_dsl_dir_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;

4223fc7cdcf5a51019f631eec2b4217ddf736451Mark Shellenbaum static mdb_ctf_id_t os_id, ds_id;

fa9e4066f08beec538e775443c5be79dd423fcabahrens uintptr_t os_dsl_dataset;

9adfa60d484ce2435f5af77cc99dcd4e692b6660Matthew Ahrens char ds_snapname[ZFS_MAX_DATASET_NAME_LEN];

fa9e4066f08beec538e775443c5be79dd423fcabahrens uintptr_t ds_dir;

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens buf[0] = '\0';

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (!gotid) {

28e4da25922bdfc5cba7ab29f47de911bbd78009Matthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "objset",

4223fc7cdcf5a51019f631eec2b4217ddf736451Mark Shellenbaum &os_id) == -1) {

4223fc7cdcf5a51019f631eec2b4217ddf736451Mark Shellenbaum mdb_warn("couldn't find struct objset");

fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_ERR);

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

28e4da25922bdfc5cba7ab29f47de911bbd78009Matthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_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

4223fc7cdcf5a51019f631eec2b4217ddf736451Mark Shellenbaum if (GETMEMBID(addr, &os_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

28e4da25922bdfc5cba7ab29f47de911bbd78009Matthew Ahrens if (ds_dir && mdb_dsl_dir_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

8363e80ae72609660f6090766ca8c2c18aa53f0cGeorge Wilsonstatic int

8363e80ae72609660f6090766ca8c2c18aa53f0cGeorge Wilsonenum_lookup(char *type, int val, const char *prefix, size_t size, char *out)

fa9e4066f08beec538e775443c5be79dd423fcabahrens{

fa9e4066f08beec538e775443c5be79dd423fcabahrens const char *cp;

fa9e4066f08beec538e775443c5be79dd423fcabahrens size_t len = strlen(prefix);

8363e80ae72609660f6090766ca8c2c18aa53f0cGeorge Wilson mdb_ctf_id_t enum_type;

8363e80ae72609660f6090766ca8c2c18aa53f0cGeorge Wilson

8363e80ae72609660f6090766ca8c2c18aa53f0cGeorge Wilson if (mdb_ctf_lookup_by_name(type, &enum_type) != 0) {

8363e80ae72609660f6090766ca8c2c18aa53f0cGeorge Wilson mdb_warn("Could not find enum for %s", type);

8363e80ae72609660f6090766ca8c2c18aa53f0cGeorge Wilson return (-1);

8363e80ae72609660f6090766ca8c2c18aa53f0cGeorge Wilson }

fa9e4066f08beec538e775443c5be79dd423fcabahrens

8363e80ae72609660f6090766ca8c2c18aa53f0cGeorge Wilson if ((cp = mdb_ctf_enum_name(enum_type, 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 }

8363e80ae72609660f6090766ca8c2c18aa53f0cGeorge Wilson return (0);

fa9e4066f08beec538e775443c5be79dd423fcabahrens}

fa9e4066f08beec538e775443c5be79dd423fcabahrens

614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrensstatic int

614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrenszfs_params(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)

614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens{

614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens /*

614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens static const char *params[] = {

614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens "arc_reduce_dnlc_percent",

69962b5647e4a8b9b14998733b765925381b727eMatthew Ahrens "arc_lotsfree_percent",

69962b5647e4a8b9b14998733b765925381b727eMatthew Ahrens "zfs_dirty_data_max",

69962b5647e4a8b9b14998733b765925381b727eMatthew Ahrens "zfs_dirty_data_sync",

69962b5647e4a8b9b14998733b765925381b727eMatthew Ahrens "zfs_delay_max_ns",

69962b5647e4a8b9b14998733b765925381b727eMatthew Ahrens "zfs_delay_min_dirty_percent",

69962b5647e4a8b9b14998733b765925381b727eMatthew Ahrens "zfs_delay_scale",

69962b5647e4a8b9b14998733b765925381b727eMatthew Ahrens "zfs_vdev_max_active",

69962b5647e4a8b9b14998733b765925381b727eMatthew Ahrens "zfs_vdev_sync_read_min_active",

69962b5647e4a8b9b14998733b765925381b727eMatthew Ahrens "zfs_vdev_sync_read_max_active",

69962b5647e4a8b9b14998733b765925381b727eMatthew Ahrens "zfs_vdev_sync_write_min_active",

69962b5647e4a8b9b14998733b765925381b727eMatthew Ahrens "zfs_vdev_sync_write_max_active",

69962b5647e4a8b9b14998733b765925381b727eMatthew Ahrens "zfs_vdev_async_read_min_active",

69962b5647e4a8b9b14998733b765925381b727eMatthew Ahrens "zfs_vdev_async_read_max_active",

69962b5647e4a8b9b14998733b765925381b727eMatthew Ahrens "zfs_vdev_async_write_min_active",

69962b5647e4a8b9b14998733b765925381b727eMatthew Ahrens "zfs_vdev_async_write_max_active",

69962b5647e4a8b9b14998733b765925381b727eMatthew Ahrens "zfs_vdev_scrub_min_active",

69962b5647e4a8b9b14998733b765925381b727eMatthew Ahrens "zfs_vdev_scrub_max_active",

69962b5647e4a8b9b14998733b765925381b727eMatthew Ahrens "zfs_vdev_async_write_active_min_dirty_percent",

69962b5647e4a8b9b14998733b765925381b727eMatthew Ahrens "zfs_vdev_async_write_active_max_dirty_percent",

69962b5647e4a8b9b14998733b765925381b727eMatthew Ahrens "spa_asize_inflation",

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 "spa_max_replication_override",

b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick "spa_mode_global",

614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens "zfs_flags",

1ab7f2ded02e7a1bc3c73516eb27efa79bf2a2ffmaybee "zfs_txg_timeout",

614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens "zfs_vdev_cache_max",

614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens "zfs_vdev_cache_size",

614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens "zfs_vdev_cache_bshift",

614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens "vdev_mirror_shift",

614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens "zfs_scrub_limit",

b16da2e29e074fb6eaeadc4fd7d17ae7340ba240George Wilson "zfs_no_scrub_io",

b16da2e29e074fb6eaeadc4fd7d17ae7340ba240George Wilson "zfs_no_scrub_prefetch",

614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens "zfs_vdev_aggregation_limit",

614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens "fzap_default_block_shift",

614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens "zfs_immediate_write_sz",

614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens "zfs_read_chunk_size",

614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens "zfs_nocacheflush",

55da60b91d96984f12de050ce428373ea25c7f35Mark J Musante "zil_replay_disable",

1ab7f2ded02e7a1bc3c73516eb27efa79bf2a2ffmaybee "metaslab_gang_bang",

d6e555bdd793b8bc8fe57d5f12c3d69c813d0661George Wilson "metaslab_df_alloc_threshold",

d6e555bdd793b8bc8fe57d5f12c3d69c813d0661George Wilson "metaslab_df_free_pct",

614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens "zio_injection_enabled",

614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens "zvol_immediate_write_sz",

614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens };

614409b5be5411058e7e9b6cc93dddaff9fb13f7ahrens

b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick for (int 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

fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic int

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

fa9e4066f08beec538e775443c5be79dd423fcabahrens{

b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick char type[80], checksum[80], compress[80];

b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick blkptr_t blk, *bp = &blk;

b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick char buf[BP_SPRINTF_LEN];

fa9e4066f08beec538e775443c5be79dd423fcabahrens

b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick if (mdb_vread(&blk, sizeof (blkptr_t), addr) == -1) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_warn("failed to read blkptr_t");

fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_ERR);

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens

8363e80ae72609660f6090766ca8c2c18aa53f0cGeorge Wilson if (enum_lookup("enum dmu_object_type", BP_GET_TYPE(bp), "DMU_OT_",

8363e80ae72609660f6090766ca8c2c18aa53f0cGeorge Wilson sizeof (type), type) == -1 ||

8363e80ae72609660f6090766ca8c2c18aa53f0cGeorge Wilson enum_lookup("enum zio_checksum", BP_GET_CHECKSUM(bp),

8363e80ae72609660f6090766ca8c2c18aa53f0cGeorge Wilson "ZIO_CHECKSUM_", sizeof (checksum), checksum) == -1 ||

8363e80ae72609660f6090766ca8c2c18aa53f0cGeorge Wilson enum_lookup("enum zio_compress", BP_GET_COMPRESS(bp),

8363e80ae72609660f6090766ca8c2c18aa53f0cGeorge Wilson "ZIO_COMPRESS_", sizeof (compress), compress) == -1) {

b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick mdb_warn("Could not find blkptr enumerated types");

fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_ERR);

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens

43466aae47bfcd2ad9bf501faec8e75c08095e4fMax Grossman SNPRINTF_BLKPTR(mdb_snprintf, '\n', buf, sizeof (buf), bp, type,

43466aae47bfcd2ad9bf501faec8e75c08095e4fMax Grossman checksum, compress);

fa9e4066f08beec538e775443c5be79dd423fcabahrens

b24ab6762772a3f6a89393947930c7fa61306783Jeff Bonwick mdb_printf("%s\n", buf);

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_OK);

fa9e4066f08beec538e775443c5be79dd423fcabahrens}

fa9e4066f08beec538e775443c5be79dd423fcabahrens

28e4da25922bdfc5cba7ab29f47de911bbd78009Matthew Ahrenstypedef struct mdb_dmu_buf_impl {

28e4da25922bdfc5cba7ab29f47de911bbd78009Matthew Ahrens struct {

28e4da25922bdfc5cba7ab29f47de911bbd78009Matthew Ahrens uint64_t db_object;

2515f5d4dbff605ba645d47a6851d8d0bac5b994Justin T. Gibbs uintptr_t db_data;

28e4da25922bdfc5cba7ab29f47de911bbd78009Matthew Ahrens } db;

d5ee8a1311accef11ec2057f70da38d1dd687088Matthew Ahrens uintptr_t db_objset;

28e4da25922bdfc5cba7ab29f47de911bbd78009Matthew Ahrens uint64_t db_level;

28e4da25922bdfc5cba7ab29f47de911bbd78009Matthew Ahrens uint64_t db_blkid;

28e4da25922bdfc5cba7ab29f47de911bbd78009Matthew Ahrens struct {

28e4da25922bdfc5cba7ab29f47de911bbd78009Matthew Ahrens uint64_t rc_count;

28e4da25922bdfc5cba7ab29f47de911bbd78009Matthew Ahrens } db_holds;

28e4da25922bdfc5cba7ab29f47de911bbd78009Matthew Ahrens} mdb_dmu_buf_impl_t;

28e4da25922bdfc5cba7ab29f47de911bbd78009Matthew Ahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic int

fa9e4066f08beec538e775443c5be79dd423fcabahrensdbuf(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)

fa9e4066f08beec538e775443c5be79dd423fcabahrens{

28e4da25922bdfc5cba7ab29f47de911bbd78009Matthew Ahrens mdb_dmu_buf_impl_t db;

fa9e4066f08beec538e775443c5be79dd423fcabahrens char objectname[32];

fa9e4066f08beec538e775443c5be79dd423fcabahrens char blkidname[32];

9adfa60d484ce2435f5af77cc99dcd4e692b6660Matthew Ahrens char path[ZFS_MAX_DATASET_NAME_LEN];

ba3132cfb269da4118d7dc25a8c6c1a91f9f5303Joe Stein int ptr_width = (int)(sizeof (void *)) * 2;

fa9e4066f08beec538e775443c5be79dd423fcabahrens

28e4da25922bdfc5cba7ab29f47de911bbd78009Matthew Ahrens if (DCMD_HDRSPEC(flags))

ba3132cfb269da4118d7dc25a8c6c1a91f9f5303Joe Stein mdb_printf("%*s %8s %3s %9s %5s %s\n",

ba3132cfb269da4118d7dc25a8c6c1a91f9f5303Joe Stein ptr_width, "addr", "object", "lvl", "blkid", "holds", "os");

fa9e4066f08beec538e775443c5be79dd423fcabahrens

28e4da25922bdfc5cba7ab29f47de911bbd78009Matthew Ahrens if (mdb_ctf_vread(&db, ZFS_STRUCT "dmu_buf_impl", "mdb_dmu_buf_impl_t",

28e4da25922bdfc5cba7ab29f47de911bbd78009Matthew Ahrens addr, 0) == -1)

fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_ERR);

fa9e4066f08beec538e775443c5be79dd423fcabahrens

28e4da25922bdfc5cba7ab29f47de911bbd78009Matthew Ahrens if (db.db.db_object == DMU_META_DNODE_OBJECT)

fa9e4066f08beec538e775443c5be79dd423fcabahrens (void) strcpy(objectname, "mdn");

fa9e4066f08beec538e775443c5be79dd423fcabahrens else

fa9e4066f08beec538e775443c5be79dd423fcabahrens (void) mdb_snprintf(objectname, sizeof (objectname), "%llx",

28e4da25922bdfc5cba7ab29f47de911bbd78009Matthew Ahrens (u_longlong_t)db.db.db_object);

fa9e4066f08beec538e775443c5be79dd423fcabahrens

28e4da25922bdfc5cba7ab29f47de911bbd78009Matthew Ahrens if (db.db_blkid == DMU_BONUS_BLKID)

fa9e4066f08beec538e775443c5be79dd423fcabahrens (void) strcpy(blkidname, "bonus");

fa9e4066f08beec538e775443c5be79dd423fcabahrens else

fa9e4066f08beec538e775443c5be79dd423fcabahrens (void) mdb_snprintf(blkidname, sizeof (blkidname), "%llx",

28e4da25922bdfc5cba7ab29f47de911bbd78009Matthew Ahrens (u_longlong_t)db.db_blkid);

fa9e4066f08beec538e775443c5be79dd423fcabahrens

d5ee8a1311accef11ec2057f70da38d1dd687088Matthew Ahrens if (objset_name(db.db_objset, path)) {

28e4da25922bdfc5cba7ab29f47de911bbd78009Matthew Ahrens return (DCMD_ERR);

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens

ba3132cfb269da4118d7dc25a8c6c1a91f9f5303Joe Stein mdb_printf("%*p %8s %3u %9s %5llu %s\n", ptr_width, addr,

28e4da25922bdfc5cba7ab29f47de911bbd78009Matthew Ahrens objectname, (int)db.db_level, blkidname,

28e4da25922bdfc5cba7ab29f47de911bbd78009Matthew Ahrens db.db_holds.rc_count, 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

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens#define CHAIN_END 0xffff

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrensstatic int

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrenszap_leaf(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens{

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens char buf[16*1024];

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens int verbose = B_FALSE;

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens int four = B_FALSE;

c1379625401dfbe1c39b79136dd384a571d47fdeJustin T. Gibbs dmu_buf_t l_dbuf;

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens zap_leaf_t l;

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens zap_leaf_phys_t *zlp = (void *)buf;

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens int i;

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens if (mdb_getopts(argc, argv,

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens 'v', MDB_OPT_SETBITS, TRUE, &verbose,

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens '4', MDB_OPT_SETBITS, TRUE, &four,

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens NULL) != argc)

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens return (DCMD_USAGE);

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens

c1379625401dfbe1c39b79136dd384a571d47fdeJustin T. Gibbs l_dbuf.db_data = zlp;

c1379625401dfbe1c39b79136dd384a571d47fdeJustin T. Gibbs l.l_dbuf = &l_dbuf;

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens l.l_bs = 14; /* assume 16k blocks */

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens if (four)

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens l.l_bs = 12;

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens if (!(flags & DCMD_ADDRSPEC)) {

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens return (DCMD_USAGE);

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens }

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens if (mdb_vread(buf, sizeof (buf), addr) == -1) {

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens mdb_warn("failed to read zap_leaf_phys_t at %p", addr);

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens return (DCMD_ERR);

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens }

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens if (zlp->l_hdr.lh_block_type != ZBT_LEAF ||

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens zlp->l_hdr.lh_magic != ZAP_LEAF_MAGIC) {

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens mdb_warn("This does not appear to be a zap_leaf_phys_t");

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens return (DCMD_ERR);

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens }

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens mdb_printf("zap_leaf_phys_t at %p:\n", addr);

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens mdb_printf(" lh_prefix_len = %u\n", zlp->l_hdr.lh_prefix_len);

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens mdb_printf(" lh_prefix = %llx\n", zlp->l_hdr.lh_prefix);

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens mdb_printf(" lh_nentries = %u\n", zlp->l_hdr.lh_nentries);

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens mdb_printf(" lh_nfree = %u\n", zlp->l_hdr.lh_nfree,

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens zlp->l_hdr.lh_nfree * 100 / (ZAP_LEAF_NUMCHUNKS(&l)));

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens mdb_printf(" lh_freelist = %u\n", zlp->l_hdr.lh_freelist);

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens mdb_printf(" lh_flags = %x (%s)\n", zlp->l_hdr.lh_flags,

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens zlp->l_hdr.lh_flags & ZLF_ENTRIES_CDSORTED ?

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens "ENTRIES_CDSORTED" : "");

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens if (verbose) {

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens mdb_printf(" hash table:\n");

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens for (i = 0; i < ZAP_LEAF_HASH_NUMENTRIES(&l); i++) {

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens if (zlp->l_hash[i] != CHAIN_END)

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens mdb_printf(" %u: %u\n", i, zlp->l_hash[i]);

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens }

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens }

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens mdb_printf(" chunks:\n");

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens for (i = 0; i < ZAP_LEAF_NUMCHUNKS(&l); i++) {

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens /* LINTED: alignment */

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens zap_leaf_chunk_t *zlc = &ZAP_LEAF_CHUNK(&l, i);

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens switch (zlc->l_entry.le_type) {

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens case ZAP_CHUNK_FREE:

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens if (verbose) {

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens mdb_printf(" %u: free; lf_next = %u\n",

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens i, zlc->l_free.lf_next);

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens }

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens break;

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens case ZAP_CHUNK_ENTRY:

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens mdb_printf(" %u: entry\n", i);

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens if (verbose) {

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens mdb_printf(" le_next = %u\n",

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens zlc->l_entry.le_next);

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens }

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens mdb_printf(" le_name_chunk = %u\n",

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens zlc->l_entry.le_name_chunk);

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens mdb_printf(" le_name_numints = %u\n",

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens zlc->l_entry.le_name_numints);

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens mdb_printf(" le_value_chunk = %u\n",

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens zlc->l_entry.le_value_chunk);

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens mdb_printf(" le_value_intlen = %u\n",

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens zlc->l_entry.le_value_intlen);

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens mdb_printf(" le_value_numints = %u\n",

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens zlc->l_entry.le_value_numints);

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens mdb_printf(" le_cd = %u\n",

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens zlc->l_entry.le_cd);

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens mdb_printf(" le_hash = %llx\n",

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens zlc->l_entry.le_hash);

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens break;

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens case ZAP_CHUNK_ARRAY:

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling mdb_printf(" %u: array", i);

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling if (strisprint((char *)zlc->l_array.la_array))

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling mdb_printf(" \"%s\"", zlc->l_array.la_array);

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling mdb_printf("\n");

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens if (verbose) {

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens int j;

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens mdb_printf(" ");

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens for (j = 0; j < ZAP_LEAF_ARRAY_BYTES; j++) {

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens mdb_printf("%02x ",

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens zlc->l_array.la_array[j]);

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens }

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens mdb_printf("\n");

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens }

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens if (zlc->l_array.la_next != CHAIN_END) {

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens mdb_printf(" lf_next = %u\n",

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens zlc->l_array.la_next);

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens }

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens break;

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens default:

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens mdb_printf(" %u: undefined type %u\n",

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens zlc->l_entry.le_type);

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens }

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens }

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens return (DCMD_OK);

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens}

3f1f80124f2b2b91c4c06303305e5badae5228e8Matthew Ahrens

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;

9adfa60d484ce2435f5af77cc99dcd4e692b6660Matthew Ahrens char osname[ZFS_MAX_DATASET_NAME_LEN];

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

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) {

0a586cea3ceec7e5e50e7e54c745082a7a333ac2Mark Shellenbaum data.blkid = DMU_BONUS_BLKID;

fa9e4066f08beec538e775443c5be79dd423fcabahrens } else {

fa9e4066f08beec538e775443c5be79dd423fcabahrens data.blkid = mdb_strtoull(blkid);

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens

28e4da25922bdfc5cba7ab29f47de911bbd78009Matthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_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

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[] = {

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

28e4da25922bdfc5cba7ab29f47de911bbd78009Matthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_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++) {

22ce014825a14b6ce90123db2834a13e343d6cafMatthew Ahrens if (mdb_lookup_by_obj(ZFS_OBJ_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

28e4da25922bdfc5cba7ab29f47de911bbd78009Matthew Ahrens

28e4da25922bdfc5cba7ab29f47de911bbd78009Matthew Ahrenstypedef struct dbgmsg_arg {

28e4da25922bdfc5cba7ab29f47de911bbd78009Matthew Ahrens boolean_t da_verbose;

28e4da25922bdfc5cba7ab29f47de911bbd78009Matthew Ahrens boolean_t da_address;

28e4da25922bdfc5cba7ab29f47de911bbd78009Matthew Ahrens} dbgmsg_arg_t;

28e4da25922bdfc5cba7ab29f47de911bbd78009Matthew Ahrens

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Lingstatic int

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Lingdbgmsg_cb(uintptr_t addr, const void *unknown, void *arg)

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling{

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling static mdb_ctf_id_t id;

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling static boolean_t gotid;

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling static ulong_t off;

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling

28e4da25922bdfc5cba7ab29f47de911bbd78009Matthew Ahrens dbgmsg_arg_t *da = arg;

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling time_t timestamp;

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling char buf[1024];

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling if (!gotid) {

28e4da25922bdfc5cba7ab29f47de911bbd78009Matthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "zfs_dbgmsg", &id) ==

28e4da25922bdfc5cba7ab29f47de911bbd78009Matthew Ahrens -1) {

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling mdb_warn("couldn't find struct zfs_dbgmsg");

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling return (WALK_ERR);

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling }

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling gotid = TRUE;

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling if (mdb_ctf_offsetof(id, "zdm_msg", &off) == -1) {

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling mdb_warn("couldn't find zdm_msg");

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling return (WALK_ERR);

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling }

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling off /= 8;

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling }

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling if (GETMEMBID(addr, &id, zdm_timestamp, timestamp)) {

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling return (WALK_ERR);

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling }

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling if (mdb_readstr(buf, sizeof (buf), addr + off) == -1) {

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling mdb_warn("failed to read zdm_msg at %p\n", addr + off);

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling return (DCMD_ERR);

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling }

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling

28e4da25922bdfc5cba7ab29f47de911bbd78009Matthew Ahrens if (da->da_address)

28e4da25922bdfc5cba7ab29f47de911bbd78009Matthew Ahrens mdb_printf("%p ", addr);

28e4da25922bdfc5cba7ab29f47de911bbd78009Matthew Ahrens if (da->da_verbose)

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling mdb_printf("%Y ", timestamp);

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling mdb_printf("%s\n", buf);

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling

28e4da25922bdfc5cba7ab29f47de911bbd78009Matthew Ahrens if (da->da_verbose)

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling (void) mdb_call_dcmd("whatis", addr, DCMD_ADDRSPEC, 0, NULL);

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling return (WALK_NEXT);

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling}

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Lingstatic int

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Lingdbgmsg(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling{

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling GElf_Sym sym;

28e4da25922bdfc5cba7ab29f47de911bbd78009Matthew Ahrens dbgmsg_arg_t da = { 0 };

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling if (mdb_getopts(argc, argv,

28e4da25922bdfc5cba7ab29f47de911bbd78009Matthew Ahrens 'v', MDB_OPT_SETBITS, B_TRUE, &da.da_verbose,

28e4da25922bdfc5cba7ab29f47de911bbd78009Matthew Ahrens 'a', MDB_OPT_SETBITS, B_TRUE, &da.da_address,

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling NULL) != argc)

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling return (DCMD_USAGE);

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling

3b2aab18808792cbd248a12f1edf139b89833c13Matthew Ahrens if (mdb_lookup_by_obj(ZFS_OBJ_NAME, "zfs_dbgmsgs", &sym)) {

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling mdb_warn("can't find zfs_dbgmsgs");

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling return (DCMD_ERR);

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling }

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling

28e4da25922bdfc5cba7ab29f47de911bbd78009Matthew Ahrens if (mdb_pwalk("list", dbgmsg_cb, &da, sym.st_value) != 0) {

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling mdb_warn("can't walk zfs_dbgmsgs");

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling return (DCMD_ERR);

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling }

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling return (DCMD_OK);

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling}

3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling

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[] = {

9253d63df408bb48584e0b1abfcc24ef2472382eGeorge Wilson "p", "c", "c_min", "c_max", "size", "duplicate_buffers_size",

20128a0826f9c53167caa9215c12f08beee48e30George Wilson "arc_meta_used", "arc_meta_limit", "arc_meta_max",

4076b1bf41cfd9f968a33ed54a7ae76d9e996fe8Prakash Surya "arc_meta_min", "hdr_size", "data_size", "metadata_size",

4076b1bf41cfd9f968a33ed54a7ae76d9e996fe8Prakash Surya "other_size", "anon_size", "anon_evictable_data",

4076b1bf41cfd9f968a33ed54a7ae76d9e996fe8Prakash Surya "anon_evictable_metadata", "mru_size", "mru_evictable_data",

4076b1bf41cfd9f968a33ed54a7ae76d9e996fe8Prakash Surya "mru_evictable_metadata", "mru_ghost_size",

4076b1bf41cfd9f968a33ed54a7ae76d9e996fe8Prakash Surya "mru_ghost_evictable_data", "mru_ghost_evictable_metadata",

4076b1bf41cfd9f968a33ed54a7ae76d9e996fe8Prakash Surya "mfu_size", "mfu_evictable_data", "mfu_evictable_metadata",

4076b1bf41cfd9f968a33ed54a7ae76d9e996fe8Prakash Surya "mfu_ghost_size", "mfu_ghost_evictable_data",

4076b1bf41cfd9f968a33ed54a7ae76d9e996fe8Prakash Surya "mfu_ghost_evictable_metadata", "evict_l2_cached",

4076b1bf41cfd9f968a33ed54a7ae76d9e996fe8Prakash Surya "evict_l2_eligible", "evict_l2_ineligible", "l2_read_bytes",

4076b1bf41cfd9f968a33ed54a7ae76d9e996fe8Prakash Surya "l2_write_bytes", "l2_size", "l2_asize", "l2_hdr_size",

dcbf3bd6a1f1360fc1afcee9e22c6dcff7844bf2George Wilson "compressed_size", "uncompressed_size", "overhead_size",

9253d63df408bb48584e0b1abfcc24ef2472382eGeorge Wilson NULL

91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens };

91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens

91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens static const char *extras[] = {

91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens "arc_no_grow", "arc_tempreserve",

91ebeef555ce7f899b6270a3c2df47b51f7ad59aahrens NULL

44cb6abc89aa591c23f5e58296c6d2a29302344abmc };

44cb6abc89aa591c23f5e58296c6d2a29302344abmc

22ce014825a14b6ce90123db2834a13e343d6cafMatthew Ahrens if (mdb_lookup_by_obj(ZFS_OBJ_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

22ce014825a14b6ce90123db2834a13e343d6cafMatthew Ahrens if (mdb_lookup_by_obj(ZFS_OBJ_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

22ce014825a14b6ce90123db2834a13e343d6cafMatthew Ahrenstypedef struct mdb_spa_print {

22ce014825a14b6ce90123db2834a13e343d6cafMatthew Ahrens pool_state_t spa_state;

9adfa60d484ce2435f5af77cc99dcd4e692b6660Matthew Ahrens char spa_name[ZFS_MAX_DATASET_NAME_LEN];

91e2a09f39b7b47ff919323f4118fab26e6641d8Steve Gonczi uintptr_t spa_normal_class;

22ce014825a14b6ce90123db2834a13e343d6cafMatthew Ahrens} mdb_spa_print_t;

22ce014825a14b6ce90123db2834a13e343d6cafMatthew Ahrens

91e2a09f39b7b47ff919323f4118fab26e6641d8Steve Gonczi

91e2a09f39b7b47ff919323f4118fab26e6641d8Steve Goncziconst char histo_stars[] = "****************************************";

91e2a09f39b7b47ff919323f4118fab26e6641d8Steve Goncziconst int histo_width = sizeof (histo_stars) - 1;

91e2a09f39b7b47ff919323f4118fab26e6641d8Steve Gonczi

91e2a09f39b7b47ff919323f4118fab26e6641d8Steve Gonczistatic void

91e2a09f39b7b47ff919323f4118fab26e6641d8Steve Gonczidump_histogram(const uint64_t *histo, int size, int offset)

91e2a09f39b7b47ff919323f4118fab26e6641d8Steve Gonczi{

91e2a09f39b7b47ff919323f4118fab26e6641d8Steve Gonczi int i;

91e2a09f39b7b47ff919323f4118fab26e6641d8Steve Gonczi int minidx = size - 1;

91e2a09f39b7b47ff919323f4118fab26e6641d8Steve Gonczi int maxidx = 0;

91e2a09f39b7b47ff919323f4118fab26e6641d8Steve Gonczi uint64_t max = 0;

91e2a09f39b7b47ff919323f4118fab26e6641d8Steve Gonczi

91e2a09f39b7b47ff919323f4118fab26e6641d8Steve Gonczi for (i = 0; i < size; i++) {

91e2a09f39b7b47ff919323f4118fab26e6641d8Steve Gonczi if (histo[i] > max)

91e2a09f39b7b47ff919323f4118fab26e6641d8Steve Gonczi max = histo[i];

91e2a09f39b7b47ff919323f4118fab26e6641d8Steve Gonczi if (histo[i] > 0 && i > maxidx)

91e2a09f39b7b47ff919323f4118fab26e6641d8Steve Gonczi maxidx = i;

91e2a09f39b7b47ff919323f4118fab26e6641d8Steve Gonczi if (histo[i] > 0 && i < minidx)

91e2a09f39b7b47ff919323f4118fab26e6641d8Steve Gonczi minidx = i;

91e2a09f39b7b47ff919323f4118fab26e6641d8Steve Gonczi }

91e2a09f39b7b47ff919323f4118fab26e6641d8Steve Gonczi

91e2a09f39b7b47ff919323f4118fab26e6641d8Steve Gonczi if (max < histo_width)

91e2a09f39b7b47ff919323f4118fab26e6641d8Steve Gonczi max = histo_width;

91e2a09f39b7b47ff919323f4118fab26e6641d8Steve Gonczi

91e2a09f39b7b47ff919323f4118fab26e6641d8Steve Gonczi for (i = minidx; i <= maxidx; i++) {

91e2a09f39b7b47ff919323f4118fab26e6641d8Steve Gonczi mdb_printf("%3u: %6llu %s\n",

91e2a09f39b7b47ff919323f4118fab26e6641d8Steve Gonczi i + offset, (u_longlong_t)histo[i],

91e2a09f39b7b47ff919323f4118fab26e6641d8Steve Gonczi &histo_stars[(max - histo[i]) * histo_width / max]);

91e2a09f39b7b47ff919323f4118fab26e6641d8Steve Gonczi }

91e2a09f39b7b47ff919323f4118fab26e6641d8Steve Gonczi}

91e2a09f39b7b47ff919323f4118fab26e6641d8Steve Gonczi

91e2a09f39b7b47ff919323f4118fab26e6641d8Steve Gonczitypedef struct mdb_metaslab_class {

91e2a09f39b7b47ff919323f4118fab26e6641d8Steve Gonczi uint64_t mc_histogram[RANGE_TREE_HISTOGRAM_SIZE];

91e2a09f39b7b47ff919323f4118fab26e6641d8Steve Gonczi} mdb_metaslab_class_t;

91e2a09f39b7b47ff919323f4118fab26e6641d8Steve Gonczi

91e2a09f39b7b47ff919323f4118fab26e6641d8Steve Gonczistatic int

91e2a09f39b7b47ff919323f4118fab26e6641d8Steve Gonczispa_class_histogram(uintptr_t class_addr)

91e2a09f39b7b47ff919323f4118fab26e6641d8Steve Gonczi{

91e2a09f39b7b47ff919323f4118fab26e6641d8Steve Gonczi mdb_metaslab_class_t mc;

91e2a09f39b7b47ff919323f4118fab26e6641d8Steve Gonczi if (mdb_ctf_vread(&mc, "metaslab_class_t",

91e2a09f39b7b47ff919323f4118fab26e6641d8Steve Gonczi "mdb_metaslab_class_t", class_addr, 0) == -1)

91e2a09f39b7b47ff919323f4118fab26e6641d8Steve Gonczi return (DCMD_ERR);

91e2a09f39b7b47ff919323f4118fab26e6641d8Steve Gonczi

91e2a09f39b7b47ff919323f4118fab26e6641d8Steve Gonczi mdb_inc_indent(4);

91e2a09f39b7b47ff919323f4118fab26e6641d8Steve Gonczi dump_histogram(mc.mc_histogram, RANGE_TREE_HISTOGRAM_SIZE, 0);

91e2a09f39b7b47ff919323f4118fab26e6641d8Steve Gonczi mdb_dec_indent(4);

91e2a09f39b7b47ff919323f4118fab26e6641d8Steve Gonczi return (DCMD_OK);

91e2a09f39b7b47ff919323f4118fab26e6641d8Steve Gonczi}

91e2a09f39b7b47ff919323f4118fab26e6641d8Steve Gonczi

fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic int

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

fa9e4066f08beec538e775443c5be79dd423fcabahrens{

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

e14bb3258d05c1b1077e2db7cf77088924e56919Jeff Bonwick "SPARE", "L2CACHE", "UNINIT", "UNAVAIL", "POTENTIAL" };

fa9e4066f08beec538e775443c5be79dd423fcabahrens const char *state;

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson int spa_flags = 0;

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (mdb_getopts(argc, argv,

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson 'c', MDB_OPT_SETBITS, SPA_FLAG_CONFIG, &spa_flags,

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson 'v', MDB_OPT_SETBITS, SPA_FLAG_VDEVS, &spa_flags,

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson 'e', MDB_OPT_SETBITS, SPA_FLAG_ERRORS, &spa_flags,

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson 'M', MDB_OPT_SETBITS, SPA_FLAG_METASLAB_GROUPS, &spa_flags,

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson 'm', MDB_OPT_SETBITS, SPA_FLAG_METASLABS, &spa_flags,

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson 'h', MDB_OPT_SETBITS, SPA_FLAG_HISTOGRAMS, &spa_flags,

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

22ce014825a14b6ce90123db2834a13e343d6cafMatthew Ahrens mdb_spa_print_t spa;

22ce014825a14b6ce90123db2834a13e343d6cafMatthew Ahrens if (mdb_ctf_vread(&spa, "spa_t", "mdb_spa_print_t", addr, 0) == -1)

fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_ERR);

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);

91e2a09f39b7b47ff919323f4118fab26e6641d8Steve Gonczi if (spa_flags & SPA_FLAG_HISTOGRAMS)

91e2a09f39b7b47ff919323f4118fab26e6641d8Steve Gonczi spa_class_histogram(spa.spa_normal_class);

fa9e4066f08beec538e775443c5be79dd423fcabahrens

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson if (spa_flags & SPA_FLAG_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

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson if (spa_flags & SPA_FLAG_ALL_VDEV) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_arg_t v;

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson char opts[100] = "-";

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson int args =

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson (spa_flags | SPA_FLAG_VDEVS) == SPA_FLAG_VDEVS ? 0 : 1;

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson if (spa_flags & SPA_FLAG_ERRORS)

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson strcat(opts, "e");

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson if (spa_flags & SPA_FLAG_METASLABS)

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson strcat(opts, "m");

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson if (spa_flags & SPA_FLAG_METASLAB_GROUPS)

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson strcat(opts, "M");

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson if (spa_flags & SPA_FLAG_HISTOGRAMS)

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson strcat(opts, "h");

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens v.a_type = MDB_TYPE_STRING;

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson v.a_un.a_str = opts;

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_printf("\n");

fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_inc_indent(4);

2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson if (mdb_call_dcmd("spa_vdevs", addr, flags, args,

fa9e4066f08beec538e775443c5be79dd423fcabahrens &v) != DCMD_OK)

fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_ERR);

fa9e4066f08beec538e775443c5be79dd423fcabahrens mdb_dec_indent(4);

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens return (DCMD_OK);

fa9e4066f08beec538e775443c5be79dd423fcabahrens}

fa9e4066f08beec538e775443c5be79dd423fcabahrens

28e4da25922bdfc5cba7ab29f47de911bbd78009Matthew Ahrenstypedef struct mdb_spa_config_spa {

d5ee8a1311accef11ec2057f70da38d1dd687088Matthew Ahrens uintptr_t spa_config;

28e4da25922bdfc5cba7ab29f47de911bbd78009Matthew Ahrens} mdb_spa_config_spa_t;

28e4da25922bdfc5cba7ab29f47de911bbd78009Matthew Ahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic int

fa9e4066f08beec538e775443c5be79dd423fcabahrensspa_print_config(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)