1fa9e4066Sahrens /* 2fa9e4066Sahrens * CDDL HEADER START 3fa9e4066Sahrens * 4fa9e4066Sahrens * The contents of this file are subject to the terms of the 5ea8dc4b6Seschrock * Common Development and Distribution License (the "License"). 6ea8dc4b6Seschrock * You may not use this file except in compliance with the License. 7fa9e4066Sahrens * 8fa9e4066Sahrens * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9fa9e4066Sahrens * or http://www.opensolaris.org/os/licensing. 10fa9e4066Sahrens * See the License for the specific language governing permissions 11fa9e4066Sahrens * and limitations under the License. 12fa9e4066Sahrens * 13fa9e4066Sahrens * When distributing Covered Code, include this CDDL HEADER in each 14fa9e4066Sahrens * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15fa9e4066Sahrens * If applicable, add the following below this CDDL HEADER, with the 16fa9e4066Sahrens * fields enclosed by brackets "[]" replaced with your own identifying 17fa9e4066Sahrens * information: Portions Copyright [yyyy] [name of copyright owner] 18fa9e4066Sahrens * 19fa9e4066Sahrens * CDDL HEADER END 20fa9e4066Sahrens */ 21fa9e4066Sahrens /* 22*55da60b9SMark J Musante * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. 23fa9e4066Sahrens */ 24fa9e4066Sahrens 25*55da60b9SMark J Musante /* Portions Copyright 2010 Robert Milkowski */ 26*55da60b9SMark J Musante 27fa9e4066Sahrens #include <mdb/mdb_ctf.h> 28fa9e4066Sahrens #include <sys/zfs_context.h> 29fa9e4066Sahrens #include <sys/mdb_modapi.h> 30fa9e4066Sahrens #include <sys/dbuf.h> 31fa9e4066Sahrens #include <sys/dmu_objset.h> 32fa9e4066Sahrens #include <sys/dsl_dir.h> 33fa9e4066Sahrens #include <sys/dsl_pool.h> 34fa9e4066Sahrens #include <sys/metaslab_impl.h> 35fa9e4066Sahrens #include <sys/space_map.h> 36fa9e4066Sahrens #include <sys/list.h> 37fa9e4066Sahrens #include <sys/spa_impl.h> 38fa9e4066Sahrens #include <sys/vdev_impl.h> 393f1f8012SMatthew Ahrens #include <sys/zap_leaf.h> 403f1f8012SMatthew Ahrens #include <sys/zap_impl.h> 419966ca11SMatthew Ahrens #include <ctype.h> 420a586ceaSMark Shellenbaum #include <sys/zfs_acl.h> 430a586ceaSMark Shellenbaum #include <sys/sa_impl.h> 44fa9e4066Sahrens 45fa9e4066Sahrens #ifndef _KERNEL 46fa9e4066Sahrens #include "../genunix/list.h" 47fa9e4066Sahrens #endif 48fa9e4066Sahrens 49fa9e4066Sahrens #ifdef _KERNEL 50fa9e4066Sahrens #define ZFS_OBJ_NAME "zfs" 51fa9e4066Sahrens #else 52fa9e4066Sahrens #define ZFS_OBJ_NAME "libzpool.so.1" 53fa9e4066Sahrens #endif 54fa9e4066Sahrens 55feef89cfSVictor Latushkin #ifndef _KERNEL 56feef89cfSVictor Latushkin int aok; 57feef89cfSVictor Latushkin #endif 58feef89cfSVictor Latushkin 59fa9e4066Sahrens static int 60fa9e4066Sahrens getmember(uintptr_t addr, const char *type, mdb_ctf_id_t *idp, 61fa9e4066Sahrens const char *member, int len, void *buf) 62fa9e4066Sahrens { 63fa9e4066Sahrens mdb_ctf_id_t id; 64fa9e4066Sahrens ulong_t off; 65fa9e4066Sahrens char name[64]; 66fa9e4066Sahrens 67fa9e4066Sahrens if (idp == NULL) { 68fa9e4066Sahrens if (mdb_ctf_lookup_by_name(type, &id) == -1) { 69fa9e4066Sahrens mdb_warn("couldn't find type %s", type); 70fa9e4066Sahrens return (DCMD_ERR); 71fa9e4066Sahrens } 72fa9e4066Sahrens idp = &id; 73fa9e4066Sahrens } else { 74fa9e4066Sahrens type = name; 75fa9e4066Sahrens mdb_ctf_type_name(*idp, name, sizeof (name)); 76fa9e4066Sahrens } 77fa9e4066Sahrens 78fa9e4066Sahrens if (mdb_ctf_offsetof(*idp, member, &off) == -1) { 79fa9e4066Sahrens mdb_warn("couldn't find member %s of type %s\n", member, type); 80fa9e4066Sahrens return (DCMD_ERR); 81fa9e4066Sahrens } 82fa9e4066Sahrens if (off % 8 != 0) { 83fa9e4066Sahrens mdb_warn("member %s of type %s is unsupported bitfield", 84fa9e4066Sahrens member, type); 85fa9e4066Sahrens return (DCMD_ERR); 86fa9e4066Sahrens } 87fa9e4066Sahrens off /= 8; 88fa9e4066Sahrens 89fa9e4066Sahrens if (mdb_vread(buf, len, addr + off) == -1) { 90fa9e4066Sahrens mdb_warn("failed to read %s from %s at %p", 91fa9e4066Sahrens member, type, addr + off); 92fa9e4066Sahrens return (DCMD_ERR); 93fa9e4066Sahrens } 94fa9e4066Sahrens /* mdb_warn("read %s from %s at %p+%llx\n", member, type, addr, off); */ 95fa9e4066Sahrens 96fa9e4066Sahrens return (0); 97fa9e4066Sahrens } 98fa9e4066Sahrens 99fa9e4066Sahrens #define GETMEMB(addr, type, member, dest) \ 100fa9e4066Sahrens getmember(addr, #type, NULL, #member, sizeof (dest), &(dest)) 101fa9e4066Sahrens 102fa9e4066Sahrens #define GETMEMBID(addr, ctfid, member, dest) \ 103fa9e4066Sahrens getmember(addr, NULL, ctfid, #member, sizeof (dest), &(dest)) 104fa9e4066Sahrens 105fa9e4066Sahrens static int 106fa9e4066Sahrens getrefcount(uintptr_t addr, mdb_ctf_id_t *id, 107fa9e4066Sahrens const char *member, uint64_t *rc) 108fa9e4066Sahrens { 109fa9e4066Sahrens static int gotid; 110fa9e4066Sahrens static mdb_ctf_id_t rc_id; 111fa9e4066Sahrens ulong_t off; 112fa9e4066Sahrens 113fa9e4066Sahrens if (!gotid) { 114fa9e4066Sahrens if (mdb_ctf_lookup_by_name("struct refcount", &rc_id) == -1) { 115fa9e4066Sahrens mdb_warn("couldn't find struct refcount"); 116fa9e4066Sahrens return (DCMD_ERR); 117fa9e4066Sahrens } 118fa9e4066Sahrens gotid = TRUE; 119fa9e4066Sahrens } 120fa9e4066Sahrens 121fa9e4066Sahrens if (mdb_ctf_offsetof(*id, member, &off) == -1) { 122fa9e4066Sahrens char name[64]; 123fa9e4066Sahrens mdb_ctf_type_name(*id, name, sizeof (name)); 124fa9e4066Sahrens mdb_warn("couldn't find member %s of type %s\n", member, name); 125fa9e4066Sahrens return (DCMD_ERR); 126fa9e4066Sahrens } 127fa9e4066Sahrens off /= 8; 128fa9e4066Sahrens 129fa9e4066Sahrens return (GETMEMBID(addr + off, &rc_id, rc_count, *rc)); 130fa9e4066Sahrens } 131fa9e4066Sahrens 132fa9e4066Sahrens static int verbose; 133fa9e4066Sahrens 134fa9e4066Sahrens static int 135fa9e4066Sahrens freelist_walk_init(mdb_walk_state_t *wsp) 136fa9e4066Sahrens { 137fa9e4066Sahrens if (wsp->walk_addr == NULL) { 138fa9e4066Sahrens mdb_warn("must supply starting address\n"); 139fa9e4066Sahrens return (WALK_ERR); 140fa9e4066Sahrens } 141fa9e4066Sahrens 142fa9e4066Sahrens wsp->walk_data = 0; /* Index into the freelist */ 143fa9e4066Sahrens return (WALK_NEXT); 144fa9e4066Sahrens } 145fa9e4066Sahrens 146fa9e4066Sahrens static int 147fa9e4066Sahrens freelist_walk_step(mdb_walk_state_t *wsp) 148fa9e4066Sahrens { 149fa9e4066Sahrens uint64_t entry; 150fa9e4066Sahrens uintptr_t number = (uintptr_t)wsp->walk_data; 1518053a263Sck153898 char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID", 1528053a263Sck153898 "INVALID", "INVALID", "INVALID", "INVALID" }; 153fa9e4066Sahrens int mapshift = SPA_MINBLOCKSHIFT; 154fa9e4066Sahrens 155fa9e4066Sahrens if (mdb_vread(&entry, sizeof (entry), wsp->walk_addr) == -1) { 156fa9e4066Sahrens mdb_warn("failed to read freelist entry %p", wsp->walk_addr); 157fa9e4066Sahrens return (WALK_DONE); 158fa9e4066Sahrens } 159fa9e4066Sahrens wsp->walk_addr += sizeof (entry); 160fa9e4066Sahrens wsp->walk_data = (void *)(number + 1); 161fa9e4066Sahrens 162fa9e4066Sahrens if (SM_DEBUG_DECODE(entry)) { 163fa9e4066Sahrens mdb_printf("DEBUG: %3u %10s: txg=%llu pass=%llu\n", 164fa9e4066Sahrens number, 165fa9e4066Sahrens ddata[SM_DEBUG_ACTION_DECODE(entry)], 166fa9e4066Sahrens SM_DEBUG_TXG_DECODE(entry), 167fa9e4066Sahrens SM_DEBUG_SYNCPASS_DECODE(entry)); 168fa9e4066Sahrens } else { 169fa9e4066Sahrens mdb_printf("Entry: %3u offsets=%08llx-%08llx type=%c " 170fa9e4066Sahrens "size=%06llx", number, 171fa9e4066Sahrens SM_OFFSET_DECODE(entry) << mapshift, 172fa9e4066Sahrens (SM_OFFSET_DECODE(entry) + SM_RUN_DECODE(entry)) << 173fa9e4066Sahrens mapshift, 174fa9e4066Sahrens SM_TYPE_DECODE(entry) == SM_ALLOC ? 'A' : 'F', 175fa9e4066Sahrens SM_RUN_DECODE(entry) << mapshift); 176fa9e4066Sahrens if (verbose) 177fa9e4066Sahrens mdb_printf(" (raw=%012llx)\n", entry); 178fa9e4066Sahrens mdb_printf("\n"); 179fa9e4066Sahrens } 180fa9e4066Sahrens return (WALK_NEXT); 181fa9e4066Sahrens } 182fa9e4066Sahrens 183fa9e4066Sahrens 184fa9e4066Sahrens static int 185fa9e4066Sahrens dataset_name(uintptr_t addr, char *buf) 186fa9e4066Sahrens { 187fa9e4066Sahrens static int gotid; 188fa9e4066Sahrens static mdb_ctf_id_t dd_id; 189fa9e4066Sahrens uintptr_t dd_parent; 190fa9e4066Sahrens char dd_myname[MAXNAMELEN]; 191fa9e4066Sahrens 192fa9e4066Sahrens if (!gotid) { 193fa9e4066Sahrens if (mdb_ctf_lookup_by_name("struct dsl_dir", 194fa9e4066Sahrens &dd_id) == -1) { 195fa9e4066Sahrens mdb_warn("couldn't find struct dsl_dir"); 196fa9e4066Sahrens return (DCMD_ERR); 197fa9e4066Sahrens } 198fa9e4066Sahrens gotid = TRUE; 199fa9e4066Sahrens } 200fa9e4066Sahrens if (GETMEMBID(addr, &dd_id, dd_parent, dd_parent) || 201fa9e4066Sahrens GETMEMBID(addr, &dd_id, dd_myname, dd_myname)) { 202fa9e4066Sahrens return (DCMD_ERR); 203fa9e4066Sahrens } 204fa9e4066Sahrens 205fa9e4066Sahrens if (dd_parent) { 206fa9e4066Sahrens if (dataset_name(dd_parent, buf)) 207fa9e4066Sahrens return (DCMD_ERR); 208fa9e4066Sahrens strcat(buf, "/"); 209fa9e4066Sahrens } 210fa9e4066Sahrens 211fa9e4066Sahrens if (dd_myname[0]) 212fa9e4066Sahrens strcat(buf, dd_myname); 213fa9e4066Sahrens else 214fa9e4066Sahrens strcat(buf, "???"); 215fa9e4066Sahrens 216fa9e4066Sahrens return (0); 217fa9e4066Sahrens } 218fa9e4066Sahrens 219fa9e4066Sahrens static int 220fa9e4066Sahrens objset_name(uintptr_t addr, char *buf) 221fa9e4066Sahrens { 222fa9e4066Sahrens static int gotid; 2234223fc7cSMark Shellenbaum static mdb_ctf_id_t os_id, ds_id; 224fa9e4066Sahrens uintptr_t os_dsl_dataset; 225fa9e4066Sahrens char ds_snapname[MAXNAMELEN]; 226fa9e4066Sahrens uintptr_t ds_dir; 227fa9e4066Sahrens 228fa9e4066Sahrens buf[0] = '\0'; 229fa9e4066Sahrens 230fa9e4066Sahrens if (!gotid) { 2314223fc7cSMark Shellenbaum if (mdb_ctf_lookup_by_name("struct objset", 2324223fc7cSMark Shellenbaum &os_id) == -1) { 2334223fc7cSMark Shellenbaum mdb_warn("couldn't find struct objset"); 234fa9e4066Sahrens return (DCMD_ERR); 235fa9e4066Sahrens } 236fa9e4066Sahrens if (mdb_ctf_lookup_by_name("struct dsl_dataset", 237fa9e4066Sahrens &ds_id) == -1) { 238fa9e4066Sahrens mdb_warn("couldn't find struct dsl_dataset"); 239fa9e4066Sahrens return (DCMD_ERR); 240fa9e4066Sahrens } 241fa9e4066Sahrens 242fa9e4066Sahrens gotid = TRUE; 243fa9e4066Sahrens } 244fa9e4066Sahrens 2454223fc7cSMark Shellenbaum if (GETMEMBID(addr, &os_id, os_dsl_dataset, os_dsl_dataset)) 246fa9e4066Sahrens return (DCMD_ERR); 247fa9e4066Sahrens 248fa9e4066Sahrens if (os_dsl_dataset == 0) { 249fa9e4066Sahrens strcat(buf, "mos"); 250fa9e4066Sahrens return (0); 251fa9e4066Sahrens } 252fa9e4066Sahrens 253fa9e4066Sahrens if (GETMEMBID(os_dsl_dataset, &ds_id, ds_snapname, ds_snapname) || 254fa9e4066Sahrens GETMEMBID(os_dsl_dataset, &ds_id, ds_dir, ds_dir)) { 255fa9e4066Sahrens return (DCMD_ERR); 256fa9e4066Sahrens } 257fa9e4066Sahrens 258fa9e4066Sahrens if (ds_dir && dataset_name(ds_dir, buf)) 259fa9e4066Sahrens return (DCMD_ERR); 260fa9e4066Sahrens 261fa9e4066Sahrens if (ds_snapname[0]) { 262fa9e4066Sahrens strcat(buf, "@"); 263fa9e4066Sahrens strcat(buf, ds_snapname); 264fa9e4066Sahrens } 265fa9e4066Sahrens return (0); 266fa9e4066Sahrens } 267fa9e4066Sahrens 268fa9e4066Sahrens static void 269fa9e4066Sahrens enum_lookup(char *out, size_t size, mdb_ctf_id_t id, int val, 270fa9e4066Sahrens const char *prefix) 271fa9e4066Sahrens { 272fa9e4066Sahrens const char *cp; 273fa9e4066Sahrens size_t len = strlen(prefix); 274fa9e4066Sahrens 275fa9e4066Sahrens if ((cp = mdb_ctf_enum_name(id, val)) != NULL) { 276fa9e4066Sahrens if (strncmp(cp, prefix, len) == 0) 277fa9e4066Sahrens cp += len; 278fa9e4066Sahrens (void) strncpy(out, cp, size); 279fa9e4066Sahrens } else { 280fa9e4066Sahrens mdb_snprintf(out, size, "? (%d)", val); 281fa9e4066Sahrens } 282fa9e4066Sahrens } 283fa9e4066Sahrens 284fa9e4066Sahrens /* ARGSUSED */ 285fa9e4066Sahrens static int 286614409b5Sahrens zfs_params(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 287614409b5Sahrens { 288614409b5Sahrens /* 289614409b5Sahrens * This table can be approximately generated by running: 290614409b5Sahrens * egrep "^[a-z0-9_]+ [a-z0-9_]+( =.*)?;" *.c | cut -d ' ' -f 2 291614409b5Sahrens */ 292614409b5Sahrens static const char *params[] = { 293614409b5Sahrens "arc_reduce_dnlc_percent", 294614409b5Sahrens "zfs_arc_max", 295614409b5Sahrens "zfs_arc_min", 29649e3519aSmaybee "arc_shrink_shift", 297614409b5Sahrens "zfs_mdcomp_disable", 298614409b5Sahrens "zfs_prefetch_disable", 299614409b5Sahrens "zfetch_max_streams", 300614409b5Sahrens "zfetch_min_sec_reap", 301614409b5Sahrens "zfetch_block_cap", 302614409b5Sahrens "zfetch_array_rd_sz", 303614409b5Sahrens "zfs_default_bs", 304614409b5Sahrens "zfs_default_ibs", 305614409b5Sahrens "metaslab_aliquot", 306614409b5Sahrens "reference_tracking_enable", 307614409b5Sahrens "reference_history", 308614409b5Sahrens "spa_max_replication_override", 309b24ab676SJeff Bonwick "spa_mode_global", 310614409b5Sahrens "zfs_flags", 3111ab7f2deSmaybee "zfs_txg_synctime", 3121ab7f2deSmaybee "zfs_txg_timeout", 3131ab7f2deSmaybee "zfs_write_limit_min", 3141ab7f2deSmaybee "zfs_write_limit_max", 3151ab7f2deSmaybee "zfs_write_limit_shift", 3161ab7f2deSmaybee "zfs_write_limit_override", 3171ab7f2deSmaybee "zfs_no_write_throttle", 318614409b5Sahrens "zfs_vdev_cache_max", 319614409b5Sahrens "zfs_vdev_cache_size", 320614409b5Sahrens "zfs_vdev_cache_bshift", 321614409b5Sahrens "vdev_mirror_shift", 322614409b5Sahrens "zfs_vdev_max_pending", 323614409b5Sahrens "zfs_vdev_min_pending", 324614409b5Sahrens "zfs_scrub_limit", 325b16da2e2SGeorge Wilson "zfs_no_scrub_io", 326b16da2e2SGeorge Wilson "zfs_no_scrub_prefetch", 327614409b5Sahrens "zfs_vdev_time_shift", 328614409b5Sahrens "zfs_vdev_ramp_rate", 329614409b5Sahrens "zfs_vdev_aggregation_limit", 330614409b5Sahrens "fzap_default_block_shift", 331614409b5Sahrens "zfs_immediate_write_sz", 332614409b5Sahrens "zfs_read_chunk_size", 333614409b5Sahrens "zfs_nocacheflush", 334*55da60b9SMark J Musante "zil_replay_disable", 3351ab7f2deSmaybee "metaslab_gang_bang", 336d6e555bdSGeorge Wilson "metaslab_df_alloc_threshold", 337d6e555bdSGeorge Wilson "metaslab_df_free_pct", 338614409b5Sahrens "zio_injection_enabled", 339614409b5Sahrens "zvol_immediate_write_sz", 340614409b5Sahrens }; 341614409b5Sahrens 342b24ab676SJeff Bonwick for (int i = 0; i < sizeof (params) / sizeof (params[0]); i++) { 343614409b5Sahrens int sz; 344614409b5Sahrens uint64_t val64; 345614409b5Sahrens uint32_t *val32p = (uint32_t *)&val64; 346614409b5Sahrens 347614409b5Sahrens sz = mdb_readvar(&val64, params[i]); 348614409b5Sahrens if (sz == 4) { 349614409b5Sahrens mdb_printf("%s = 0x%x\n", params[i], *val32p); 350614409b5Sahrens } else if (sz == 8) { 351614409b5Sahrens mdb_printf("%s = 0x%llx\n", params[i], val64); 352614409b5Sahrens } else { 353614409b5Sahrens mdb_warn("variable %s not found", params[i]); 354614409b5Sahrens } 355614409b5Sahrens } 356614409b5Sahrens 357614409b5Sahrens return (DCMD_OK); 358614409b5Sahrens } 359614409b5Sahrens 360614409b5Sahrens /* ARGSUSED */ 361614409b5Sahrens static int 362fa9e4066Sahrens blkptr(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 363fa9e4066Sahrens { 364b24ab676SJeff Bonwick mdb_ctf_id_t type_enum, checksum_enum, compress_enum; 365b24ab676SJeff Bonwick char type[80], checksum[80], compress[80]; 366b24ab676SJeff Bonwick blkptr_t blk, *bp = &blk; 367b24ab676SJeff Bonwick char buf[BP_SPRINTF_LEN]; 368fa9e4066Sahrens 369b24ab676SJeff Bonwick if (mdb_vread(&blk, sizeof (blkptr_t), addr) == -1) { 370fa9e4066Sahrens mdb_warn("failed to read blkptr_t"); 371fa9e4066Sahrens return (DCMD_ERR); 372fa9e4066Sahrens } 373fa9e4066Sahrens 374b24ab676SJeff Bonwick if (mdb_ctf_lookup_by_name("enum dmu_object_type", &type_enum) == -1 || 375b24ab676SJeff Bonwick mdb_ctf_lookup_by_name("enum zio_checksum", &checksum_enum) == -1 || 376b24ab676SJeff Bonwick mdb_ctf_lookup_by_name("enum zio_compress", &compress_enum) == -1) { 377b24ab676SJeff Bonwick mdb_warn("Could not find blkptr enumerated types"); 378fa9e4066Sahrens return (DCMD_ERR); 379fa9e4066Sahrens } 380fa9e4066Sahrens 381b24ab676SJeff Bonwick enum_lookup(type, sizeof (type), type_enum, 382b24ab676SJeff Bonwick BP_GET_TYPE(bp), "DMU_OT_"); 383b24ab676SJeff Bonwick enum_lookup(checksum, sizeof (checksum), checksum_enum, 384b24ab676SJeff Bonwick BP_GET_CHECKSUM(bp), "ZIO_CHECKSUM_"); 385b24ab676SJeff Bonwick enum_lookup(compress, sizeof (compress), compress_enum, 386b24ab676SJeff Bonwick BP_GET_COMPRESS(bp), "ZIO_COMPRESS_"); 387fa9e4066Sahrens 388b24ab676SJeff Bonwick SPRINTF_BLKPTR(mdb_snprintf, '\n', buf, bp, type, checksum, compress); 389fa9e4066Sahrens 390b24ab676SJeff Bonwick mdb_printf("%s\n", buf); 391fa9e4066Sahrens 392fa9e4066Sahrens return (DCMD_OK); 393fa9e4066Sahrens } 394fa9e4066Sahrens 395fa9e4066Sahrens /* ARGSUSED */ 396fa9e4066Sahrens static int 397fa9e4066Sahrens dbuf(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 398fa9e4066Sahrens { 399fa9e4066Sahrens mdb_ctf_id_t id; 400fa9e4066Sahrens dmu_buf_t db; 401fa9e4066Sahrens uintptr_t objset; 402fa9e4066Sahrens uint8_t level; 403fa9e4066Sahrens uint64_t blkid; 404fa9e4066Sahrens uint64_t holds; 405fa9e4066Sahrens char objectname[32]; 406fa9e4066Sahrens char blkidname[32]; 407fa9e4066Sahrens char path[MAXNAMELEN]; 408fa9e4066Sahrens 409fa9e4066Sahrens if (DCMD_HDRSPEC(flags)) { 410fa9e4066Sahrens mdb_printf(" addr object lvl blkid holds os\n"); 411fa9e4066Sahrens } 412fa9e4066Sahrens 413fa9e4066Sahrens if (mdb_ctf_lookup_by_name("struct dmu_buf_impl", &id) == -1) { 414fa9e4066Sahrens mdb_warn("couldn't find struct dmu_buf_impl_t"); 415fa9e4066Sahrens return (DCMD_ERR); 416fa9e4066Sahrens } 417fa9e4066Sahrens 418fa9e4066Sahrens if (GETMEMBID(addr, &id, db_objset, objset) || 419fa9e4066Sahrens GETMEMBID(addr, &id, db, db) || 420fa9e4066Sahrens GETMEMBID(addr, &id, db_level, level) || 421fa9e4066Sahrens GETMEMBID(addr, &id, db_blkid, blkid)) { 422fa9e4066Sahrens return (WALK_ERR); 423fa9e4066Sahrens } 424fa9e4066Sahrens 425fa9e4066Sahrens if (getrefcount(addr, &id, "db_holds", &holds)) { 426fa9e4066Sahrens return (WALK_ERR); 427fa9e4066Sahrens } 428fa9e4066Sahrens 429fa9e4066Sahrens if (db.db_object == DMU_META_DNODE_OBJECT) 430fa9e4066Sahrens (void) strcpy(objectname, "mdn"); 431fa9e4066Sahrens else 432fa9e4066Sahrens (void) mdb_snprintf(objectname, sizeof (objectname), "%llx", 433fa9e4066Sahrens (u_longlong_t)db.db_object); 434fa9e4066Sahrens 4350a586ceaSMark Shellenbaum if (blkid == DMU_BONUS_BLKID) 436fa9e4066Sahrens (void) strcpy(blkidname, "bonus"); 437fa9e4066Sahrens else 438fa9e4066Sahrens (void) mdb_snprintf(blkidname, sizeof (blkidname), "%llx", 439fa9e4066Sahrens (u_longlong_t)blkid); 440fa9e4066Sahrens 441fa9e4066Sahrens if (objset_name(objset, path)) { 442fa9e4066Sahrens return (WALK_ERR); 443fa9e4066Sahrens } 444fa9e4066Sahrens 445fa9e4066Sahrens mdb_printf("%p %8s %1u %9s %2llu %s\n", 446fa9e4066Sahrens addr, objectname, level, blkidname, holds, path); 447fa9e4066Sahrens 448fa9e4066Sahrens return (DCMD_OK); 449fa9e4066Sahrens } 450fa9e4066Sahrens 451fa9e4066Sahrens /* ARGSUSED */ 452fa9e4066Sahrens static int 453fa9e4066Sahrens dbuf_stats(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 454fa9e4066Sahrens { 455fa9e4066Sahrens #define HISTOSZ 32 456fa9e4066Sahrens uintptr_t dbp; 457fa9e4066Sahrens dmu_buf_impl_t db; 458fa9e4066Sahrens dbuf_hash_table_t ht; 459fa9e4066Sahrens uint64_t bucket, ndbufs; 460fa9e4066Sahrens uint64_t histo[HISTOSZ]; 461fa9e4066Sahrens uint64_t histo2[HISTOSZ]; 462fa9e4066Sahrens int i, maxidx; 463fa9e4066Sahrens 464fa9e4066Sahrens if (mdb_readvar(&ht, "dbuf_hash_table") == -1) { 465fa9e4066Sahrens mdb_warn("failed to read 'dbuf_hash_table'"); 466fa9e4066Sahrens return (DCMD_ERR); 467fa9e4066Sahrens } 468fa9e4066Sahrens 469fa9e4066Sahrens for (i = 0; i < HISTOSZ; i++) { 470fa9e4066Sahrens histo[i] = 0; 471fa9e4066Sahrens histo2[i] = 0; 472fa9e4066Sahrens } 473fa9e4066Sahrens 474fa9e4066Sahrens ndbufs = 0; 475fa9e4066Sahrens for (bucket = 0; bucket < ht.hash_table_mask+1; bucket++) { 476fa9e4066Sahrens int len; 477fa9e4066Sahrens 478fa9e4066Sahrens if (mdb_vread(&dbp, sizeof (void *), 479fa9e4066Sahrens (uintptr_t)(ht.hash_table+bucket)) == -1) { 480fa9e4066Sahrens mdb_warn("failed to read hash bucket %u at %p", 481fa9e4066Sahrens bucket, ht.hash_table+bucket); 482fa9e4066Sahrens return (DCMD_ERR); 483fa9e4066Sahrens } 484fa9e4066Sahrens 485fa9e4066Sahrens len = 0; 486fa9e4066Sahrens while (dbp != 0) { 487fa9e4066Sahrens if (mdb_vread(&db, sizeof (dmu_buf_impl_t), 488fa9e4066Sahrens dbp) == -1) { 489fa9e4066Sahrens mdb_warn("failed to read dbuf at %p", dbp); 490fa9e4066Sahrens return (DCMD_ERR); 491fa9e4066Sahrens } 492fa9e4066Sahrens dbp = (uintptr_t)db.db_hash_next; 493fa9e4066Sahrens for (i = MIN(len, HISTOSZ - 1); i >= 0; i--) 494fa9e4066Sahrens histo2[i]++; 495fa9e4066Sahrens len++; 496fa9e4066Sahrens ndbufs++; 497fa9e4066Sahrens } 498fa9e4066Sahrens 499fa9e4066Sahrens if (len >= HISTOSZ) 500fa9e4066Sahrens len = HISTOSZ-1; 501fa9e4066Sahrens histo[len]++; 502fa9e4066Sahrens } 503fa9e4066Sahrens 504fa9e4066Sahrens mdb_printf("hash table has %llu buckets, %llu dbufs " 505fa9e4066Sahrens "(avg %llu buckets/dbuf)\n", 506fa9e4066Sahrens ht.hash_table_mask+1, ndbufs, 507fa9e4066Sahrens (ht.hash_table_mask+1)/ndbufs); 508fa9e4066Sahrens 509fa9e4066Sahrens mdb_printf("\n"); 510fa9e4066Sahrens maxidx = 0; 511fa9e4066Sahrens for (i = 0; i < HISTOSZ; i++) 512fa9e4066Sahrens if (histo[i] > 0) 513fa9e4066Sahrens maxidx = i; 514fa9e4066Sahrens mdb_printf("hash chain length number of buckets\n"); 515fa9e4066Sahrens for (i = 0; i <= maxidx; i++) 516fa9e4066Sahrens mdb_printf("%u %llu\n", i, histo[i]); 517fa9e4066Sahrens 518fa9e4066Sahrens mdb_printf("\n"); 519fa9e4066Sahrens maxidx = 0; 520fa9e4066Sahrens for (i = 0; i < HISTOSZ; i++) 521fa9e4066Sahrens if (histo2[i] > 0) 522fa9e4066Sahrens maxidx = i; 523fa9e4066Sahrens mdb_printf("hash chain depth number of dbufs\n"); 524fa9e4066Sahrens for (i = 0; i <= maxidx; i++) 525fa9e4066Sahrens mdb_printf("%u or more %llu %llu%%\n", 526fa9e4066Sahrens i, histo2[i], histo2[i]*100/ndbufs); 527fa9e4066Sahrens 528fa9e4066Sahrens 529fa9e4066Sahrens return (DCMD_OK); 530fa9e4066Sahrens } 531fa9e4066Sahrens 5323f1f8012SMatthew Ahrens #define CHAIN_END 0xffff 5333f1f8012SMatthew Ahrens /* 5343f1f8012SMatthew Ahrens * ::zap_leaf [-v] 5353f1f8012SMatthew Ahrens * 5363f1f8012SMatthew Ahrens * Print a zap_leaf_phys_t, assumed to be 16k 5373f1f8012SMatthew Ahrens */ 5383f1f8012SMatthew Ahrens /* ARGSUSED */ 5393f1f8012SMatthew Ahrens static int 5403f1f8012SMatthew Ahrens zap_leaf(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 5413f1f8012SMatthew Ahrens { 5423f1f8012SMatthew Ahrens char buf[16*1024]; 5433f1f8012SMatthew Ahrens int verbose = B_FALSE; 5443f1f8012SMatthew Ahrens int four = B_FALSE; 5453f1f8012SMatthew Ahrens zap_leaf_t l; 5463f1f8012SMatthew Ahrens zap_leaf_phys_t *zlp = (void *)buf; 5473f1f8012SMatthew Ahrens int i; 5483f1f8012SMatthew Ahrens 5493f1f8012SMatthew Ahrens if (mdb_getopts(argc, argv, 5503f1f8012SMatthew Ahrens 'v', MDB_OPT_SETBITS, TRUE, &verbose, 5513f1f8012SMatthew Ahrens '4', MDB_OPT_SETBITS, TRUE, &four, 5523f1f8012SMatthew Ahrens NULL) != argc) 5533f1f8012SMatthew Ahrens return (DCMD_USAGE); 5543f1f8012SMatthew Ahrens 5553f1f8012SMatthew Ahrens l.l_phys = zlp; 5563f1f8012SMatthew Ahrens l.l_bs = 14; /* assume 16k blocks */ 5573f1f8012SMatthew Ahrens if (four) 5583f1f8012SMatthew Ahrens l.l_bs = 12; 5593f1f8012SMatthew Ahrens 5603f1f8012SMatthew Ahrens if (!(flags & DCMD_ADDRSPEC)) { 5613f1f8012SMatthew Ahrens return (DCMD_USAGE); 5623f1f8012SMatthew Ahrens } 5633f1f8012SMatthew Ahrens 5643f1f8012SMatthew Ahrens if (mdb_vread(buf, sizeof (buf), addr) == -1) { 5653f1f8012SMatthew Ahrens mdb_warn("failed to read zap_leaf_phys_t at %p", addr); 5663f1f8012SMatthew Ahrens return (DCMD_ERR); 5673f1f8012SMatthew Ahrens } 5683f1f8012SMatthew Ahrens 5693f1f8012SMatthew Ahrens if (zlp->l_hdr.lh_block_type != ZBT_LEAF || 5703f1f8012SMatthew Ahrens zlp->l_hdr.lh_magic != ZAP_LEAF_MAGIC) { 5713f1f8012SMatthew Ahrens mdb_warn("This does not appear to be a zap_leaf_phys_t"); 5723f1f8012SMatthew Ahrens return (DCMD_ERR); 5733f1f8012SMatthew Ahrens } 5743f1f8012SMatthew Ahrens 5753f1f8012SMatthew Ahrens mdb_printf("zap_leaf_phys_t at %p:\n", addr); 5763f1f8012SMatthew Ahrens mdb_printf(" lh_prefix_len = %u\n", zlp->l_hdr.lh_prefix_len); 5773f1f8012SMatthew Ahrens mdb_printf(" lh_prefix = %llx\n", zlp->l_hdr.lh_prefix); 5783f1f8012SMatthew Ahrens mdb_printf(" lh_nentries = %u\n", zlp->l_hdr.lh_nentries); 5793f1f8012SMatthew Ahrens mdb_printf(" lh_nfree = %u\n", zlp->l_hdr.lh_nfree, 5803f1f8012SMatthew Ahrens zlp->l_hdr.lh_nfree * 100 / (ZAP_LEAF_NUMCHUNKS(&l))); 5813f1f8012SMatthew Ahrens mdb_printf(" lh_freelist = %u\n", zlp->l_hdr.lh_freelist); 5823f1f8012SMatthew Ahrens mdb_printf(" lh_flags = %x (%s)\n", zlp->l_hdr.lh_flags, 5833f1f8012SMatthew Ahrens zlp->l_hdr.lh_flags & ZLF_ENTRIES_CDSORTED ? 5843f1f8012SMatthew Ahrens "ENTRIES_CDSORTED" : ""); 5853f1f8012SMatthew Ahrens 5863f1f8012SMatthew Ahrens if (verbose) { 5873f1f8012SMatthew Ahrens mdb_printf(" hash table:\n"); 5883f1f8012SMatthew Ahrens for (i = 0; i < ZAP_LEAF_HASH_NUMENTRIES(&l); i++) { 5893f1f8012SMatthew Ahrens if (zlp->l_hash[i] != CHAIN_END) 5903f1f8012SMatthew Ahrens mdb_printf(" %u: %u\n", i, zlp->l_hash[i]); 5913f1f8012SMatthew Ahrens } 5923f1f8012SMatthew Ahrens } 5933f1f8012SMatthew Ahrens 5943f1f8012SMatthew Ahrens mdb_printf(" chunks:\n"); 5953f1f8012SMatthew Ahrens for (i = 0; i < ZAP_LEAF_NUMCHUNKS(&l); i++) { 5963f1f8012SMatthew Ahrens /* LINTED: alignment */ 5973f1f8012SMatthew Ahrens zap_leaf_chunk_t *zlc = &ZAP_LEAF_CHUNK(&l, i); 5983f1f8012SMatthew Ahrens switch (zlc->l_entry.le_type) { 5993f1f8012SMatthew Ahrens case ZAP_CHUNK_FREE: 6003f1f8012SMatthew Ahrens if (verbose) { 6013f1f8012SMatthew Ahrens mdb_printf(" %u: free; lf_next = %u\n", 6023f1f8012SMatthew Ahrens i, zlc->l_free.lf_next); 6033f1f8012SMatthew Ahrens } 6043f1f8012SMatthew Ahrens break; 6053f1f8012SMatthew Ahrens case ZAP_CHUNK_ENTRY: 6063f1f8012SMatthew Ahrens mdb_printf(" %u: entry\n", i); 6073f1f8012SMatthew Ahrens if (verbose) { 6083f1f8012SMatthew Ahrens mdb_printf(" le_next = %u\n", 6093f1f8012SMatthew Ahrens zlc->l_entry.le_next); 6103f1f8012SMatthew Ahrens } 6113f1f8012SMatthew Ahrens mdb_printf(" le_name_chunk = %u\n", 6123f1f8012SMatthew Ahrens zlc->l_entry.le_name_chunk); 6133f1f8012SMatthew Ahrens mdb_printf(" le_name_numints = %u\n", 6143f1f8012SMatthew Ahrens zlc->l_entry.le_name_numints); 6153f1f8012SMatthew Ahrens mdb_printf(" le_value_chunk = %u\n", 6163f1f8012SMatthew Ahrens zlc->l_entry.le_value_chunk); 6173f1f8012SMatthew Ahrens mdb_printf(" le_value_intlen = %u\n", 6183f1f8012SMatthew Ahrens zlc->l_entry.le_value_intlen); 6193f1f8012SMatthew Ahrens mdb_printf(" le_value_numints = %u\n", 6203f1f8012SMatthew Ahrens zlc->l_entry.le_value_numints); 6213f1f8012SMatthew Ahrens mdb_printf(" le_cd = %u\n", 6223f1f8012SMatthew Ahrens zlc->l_entry.le_cd); 6233f1f8012SMatthew Ahrens mdb_printf(" le_hash = %llx\n", 6243f1f8012SMatthew Ahrens zlc->l_entry.le_hash); 6253f1f8012SMatthew Ahrens break; 6263f1f8012SMatthew Ahrens case ZAP_CHUNK_ARRAY: 6273f1f8012SMatthew Ahrens mdb_printf(" %u: array \"%s\"\n", 6283f1f8012SMatthew Ahrens i, zlc->l_array.la_array); 6293f1f8012SMatthew Ahrens if (verbose) { 6303f1f8012SMatthew Ahrens int j; 6313f1f8012SMatthew Ahrens mdb_printf(" "); 6323f1f8012SMatthew Ahrens for (j = 0; j < ZAP_LEAF_ARRAY_BYTES; j++) { 6333f1f8012SMatthew Ahrens mdb_printf("%02x ", 6343f1f8012SMatthew Ahrens zlc->l_array.la_array[j]); 6353f1f8012SMatthew Ahrens } 6363f1f8012SMatthew Ahrens mdb_printf("\n"); 6373f1f8012SMatthew Ahrens } 6383f1f8012SMatthew Ahrens if (zlc->l_array.la_next != CHAIN_END) { 6393f1f8012SMatthew Ahrens mdb_printf(" lf_next = %u\n", 6403f1f8012SMatthew Ahrens zlc->l_array.la_next); 6413f1f8012SMatthew Ahrens } 6423f1f8012SMatthew Ahrens break; 6433f1f8012SMatthew Ahrens default: 6443f1f8012SMatthew Ahrens mdb_printf(" %u: undefined type %u\n", 6453f1f8012SMatthew Ahrens zlc->l_entry.le_type); 6463f1f8012SMatthew Ahrens } 6473f1f8012SMatthew Ahrens } 6483f1f8012SMatthew Ahrens 6493f1f8012SMatthew Ahrens return (DCMD_OK); 6503f1f8012SMatthew Ahrens } 6513f1f8012SMatthew Ahrens 652fa9e4066Sahrens typedef struct dbufs_data { 653fa9e4066Sahrens mdb_ctf_id_t id; 654fa9e4066Sahrens uint64_t objset; 655fa9e4066Sahrens uint64_t object; 656fa9e4066Sahrens uint64_t level; 657fa9e4066Sahrens uint64_t blkid; 658fa9e4066Sahrens char *osname; 659fa9e4066Sahrens } dbufs_data_t; 660fa9e4066Sahrens 661fa9e4066Sahrens #define DBUFS_UNSET (0xbaddcafedeadbeefULL) 662fa9e4066Sahrens 663fa9e4066Sahrens /* ARGSUSED */ 664fa9e4066Sahrens static int 665fa9e4066Sahrens dbufs_cb(uintptr_t addr, const void *unknown, void *arg) 666fa9e4066Sahrens { 667fa9e4066Sahrens dbufs_data_t *data = arg; 668fa9e4066Sahrens uintptr_t objset; 669fa9e4066Sahrens dmu_buf_t db; 670fa9e4066Sahrens uint8_t level; 671fa9e4066Sahrens uint64_t blkid; 672fa9e4066Sahrens char osname[MAXNAMELEN]; 673fa9e4066Sahrens 674fa9e4066Sahrens if (GETMEMBID(addr, &data->id, db_objset, objset) || 675fa9e4066Sahrens GETMEMBID(addr, &data->id, db, db) || 676fa9e4066Sahrens GETMEMBID(addr, &data->id, db_level, level) || 677fa9e4066Sahrens GETMEMBID(addr, &data->id, db_blkid, blkid)) { 678fa9e4066Sahrens return (WALK_ERR); 679fa9e4066Sahrens } 680fa9e4066Sahrens 681fa9e4066Sahrens if ((data->objset == DBUFS_UNSET || data->objset == objset) && 682fa9e4066Sahrens (data->osname == NULL || (objset_name(objset, osname) == 0 && 683fa9e4066Sahrens strcmp(data->osname, osname) == 0)) && 684fa9e4066Sahrens (data->object == DBUFS_UNSET || data->object == db.db_object) && 685fa9e4066Sahrens (data->level == DBUFS_UNSET || data->level == level) && 686fa9e4066Sahrens (data->blkid == DBUFS_UNSET || data->blkid == blkid)) { 687fa9e4066Sahrens mdb_printf("%#lr\n", addr); 688fa9e4066Sahrens } 689fa9e4066Sahrens return (WALK_NEXT); 690fa9e4066Sahrens } 691fa9e4066Sahrens 692fa9e4066Sahrens /* ARGSUSED */ 693fa9e4066Sahrens static int 694fa9e4066Sahrens dbufs(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 695fa9e4066Sahrens { 696fa9e4066Sahrens dbufs_data_t data; 697fa9e4066Sahrens char *object = NULL; 698fa9e4066Sahrens char *blkid = NULL; 699fa9e4066Sahrens 700fa9e4066Sahrens data.objset = data.object = data.level = data.blkid = DBUFS_UNSET; 701fa9e4066Sahrens data.osname = NULL; 702fa9e4066Sahrens 703fa9e4066Sahrens if (mdb_getopts(argc, argv, 704fa9e4066Sahrens 'O', MDB_OPT_UINT64, &data.objset, 705fa9e4066Sahrens 'n', MDB_OPT_STR, &data.osname, 706fa9e4066Sahrens 'o', MDB_OPT_STR, &object, 707fa9e4066Sahrens 'l', MDB_OPT_UINT64, &data.level, 708fa9e4066Sahrens 'b', MDB_OPT_STR, &blkid) != argc) { 709fa9e4066Sahrens return (DCMD_USAGE); 710fa9e4066Sahrens } 711fa9e4066Sahrens 712fa9e4066Sahrens if (object) { 713fa9e4066Sahrens if (strcmp(object, "mdn") == 0) { 714fa9e4066Sahrens data.object = DMU_META_DNODE_OBJECT; 715fa9e4066Sahrens } else { 716fa9e4066Sahrens data.object = mdb_strtoull(object); 717fa9e4066Sahrens } 718fa9e4066Sahrens } 719fa9e4066Sahrens 720fa9e4066Sahrens if (blkid) { 721fa9e4066Sahrens if (strcmp(blkid, "bonus") == 0) { 7220a586ceaSMark Shellenbaum data.blkid = DMU_BONUS_BLKID; 723fa9e4066Sahrens } else { 724fa9e4066Sahrens data.blkid = mdb_strtoull(blkid); 725fa9e4066Sahrens } 726fa9e4066Sahrens } 727fa9e4066Sahrens 728fa9e4066Sahrens if (mdb_ctf_lookup_by_name("struct dmu_buf_impl", &data.id) == -1) { 729fa9e4066Sahrens mdb_warn("couldn't find struct dmu_buf_impl_t"); 730fa9e4066Sahrens return (DCMD_ERR); 731fa9e4066Sahrens } 732fa9e4066Sahrens 7335f5f7a6fSahrens if (mdb_walk("dmu_buf_impl_t", dbufs_cb, &data) != 0) { 734fa9e4066Sahrens mdb_warn("can't walk dbufs"); 735fa9e4066Sahrens return (DCMD_ERR); 736fa9e4066Sahrens } 737fa9e4066Sahrens 738fa9e4066Sahrens return (DCMD_OK); 739fa9e4066Sahrens } 740fa9e4066Sahrens 741fa9e4066Sahrens typedef struct abuf_find_data { 742fa9e4066Sahrens dva_t dva; 743fa9e4066Sahrens mdb_ctf_id_t id; 744fa9e4066Sahrens } abuf_find_data_t; 745fa9e4066Sahrens 746fa9e4066Sahrens /* ARGSUSED */ 747fa9e4066Sahrens static int 748fa9e4066Sahrens abuf_find_cb(uintptr_t addr, const void *unknown, void *arg) 749fa9e4066Sahrens { 750fa9e4066Sahrens abuf_find_data_t *data = arg; 751fa9e4066Sahrens dva_t dva; 752fa9e4066Sahrens 753fa9e4066Sahrens if (GETMEMBID(addr, &data->id, b_dva, dva)) { 754fa9e4066Sahrens return (WALK_ERR); 755fa9e4066Sahrens } 756fa9e4066Sahrens 757fa9e4066Sahrens if (dva.dva_word[0] == data->dva.dva_word[0] && 758fa9e4066Sahrens dva.dva_word[1] == data->dva.dva_word[1]) { 759fa9e4066Sahrens mdb_printf("%#lr\n", addr); 760fa9e4066Sahrens } 761fa9e4066Sahrens return (WALK_NEXT); 762fa9e4066Sahrens } 763fa9e4066Sahrens 764fa9e4066Sahrens /* ARGSUSED */ 765fa9e4066Sahrens static int 766fa9e4066Sahrens abuf_find(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 767fa9e4066Sahrens { 768fa9e4066Sahrens abuf_find_data_t data; 769fa9e4066Sahrens GElf_Sym sym; 770fa9e4066Sahrens int i; 771fa9e4066Sahrens const char *syms[] = { 772a2eea2e1Sahrens "ARC_mru", 773a2eea2e1Sahrens "ARC_mru_ghost", 774a2eea2e1Sahrens "ARC_mfu", 775a2eea2e1Sahrens "ARC_mfu_ghost", 776fa9e4066Sahrens }; 777fa9e4066Sahrens 778fa9e4066Sahrens if (argc != 2) 779fa9e4066Sahrens return (DCMD_USAGE); 780fa9e4066Sahrens 781fa9e4066Sahrens for (i = 0; i < 2; i ++) { 782fa9e4066Sahrens switch (argv[i].a_type) { 783fa9e4066Sahrens case MDB_TYPE_STRING: 784fa9e4066Sahrens data.dva.dva_word[i] = mdb_strtoull(argv[i].a_un.a_str); 785fa9e4066Sahrens break; 786fa9e4066Sahrens case MDB_TYPE_IMMEDIATE: 787fa9e4066Sahrens data.dva.dva_word[i] = argv[i].a_un.a_val; 788fa9e4066Sahrens break; 789fa9e4066Sahrens default: 790fa9e4066Sahrens return (DCMD_USAGE); 791fa9e4066Sahrens } 792fa9e4066Sahrens } 793fa9e4066Sahrens 794fa9e4066Sahrens if (mdb_ctf_lookup_by_name("struct arc_buf_hdr", &data.id) == -1) { 795fa9e4066Sahrens mdb_warn("couldn't find struct arc_buf_hdr"); 796fa9e4066Sahrens return (DCMD_ERR); 797fa9e4066Sahrens } 798fa9e4066Sahrens 799fa9e4066Sahrens for (i = 0; i < sizeof (syms) / sizeof (syms[0]); i++) { 800fa9e4066Sahrens if (mdb_lookup_by_name(syms[i], &sym)) { 801fa9e4066Sahrens mdb_warn("can't find symbol %s", syms[i]); 802fa9e4066Sahrens return (DCMD_ERR); 803fa9e4066Sahrens } 804fa9e4066Sahrens 805fa9e4066Sahrens if (mdb_pwalk("list", abuf_find_cb, &data, sym.st_value) != 0) { 806fa9e4066Sahrens mdb_warn("can't walk %s", syms[i]); 807fa9e4066Sahrens return (DCMD_ERR); 808fa9e4066Sahrens } 809fa9e4066Sahrens } 810fa9e4066Sahrens 811fa9e4066Sahrens return (DCMD_OK); 812fa9e4066Sahrens } 813fa9e4066Sahrens 81444cb6abcSbmc /*ARGSUSED*/ 81544cb6abcSbmc static int 81644cb6abcSbmc arc_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 81744cb6abcSbmc { 81844cb6abcSbmc kstat_named_t *stats; 81944cb6abcSbmc GElf_Sym sym; 82091ebeef5Sahrens int nstats, i; 82144cb6abcSbmc uint_t opt_a = FALSE; 82291ebeef5Sahrens uint_t opt_b = FALSE; 82391ebeef5Sahrens uint_t shift = 0; 82491ebeef5Sahrens const char *suffix; 82544cb6abcSbmc 82691ebeef5Sahrens static const char *bytestats[] = { 82791ebeef5Sahrens "p", "c", "c_min", "c_max", "size", NULL 82891ebeef5Sahrens }; 82991ebeef5Sahrens 83091ebeef5Sahrens static const char *extras[] = { 83191ebeef5Sahrens "arc_no_grow", "arc_tempreserve", 83291ebeef5Sahrens "arc_meta_used", "arc_meta_limit", "arc_meta_max", 83391ebeef5Sahrens NULL 83444cb6abcSbmc }; 83544cb6abcSbmc 83644cb6abcSbmc if (mdb_lookup_by_name("arc_stats", &sym) == -1) { 83744cb6abcSbmc mdb_warn("failed to find 'arc_stats'"); 83844cb6abcSbmc return (DCMD_ERR); 83944cb6abcSbmc } 84044cb6abcSbmc 84144cb6abcSbmc stats = mdb_zalloc(sym.st_size, UM_SLEEP | UM_GC); 84244cb6abcSbmc 84344cb6abcSbmc if (mdb_vread(stats, sym.st_size, sym.st_value) == -1) { 84444cb6abcSbmc mdb_warn("couldn't read 'arc_stats' at %p", sym.st_value); 84544cb6abcSbmc return (DCMD_ERR); 84644cb6abcSbmc } 84744cb6abcSbmc 84844cb6abcSbmc nstats = sym.st_size / sizeof (kstat_named_t); 84944cb6abcSbmc 85091ebeef5Sahrens /* NB: -a / opt_a are ignored for backwards compatability */ 85191ebeef5Sahrens if (mdb_getopts(argc, argv, 85291ebeef5Sahrens 'a', MDB_OPT_SETBITS, TRUE, &opt_a, 85391ebeef5Sahrens 'b', MDB_OPT_SETBITS, TRUE, &opt_b, 85491ebeef5Sahrens 'k', MDB_OPT_SETBITS, 10, &shift, 85591ebeef5Sahrens 'm', MDB_OPT_SETBITS, 20, &shift, 85691ebeef5Sahrens 'g', MDB_OPT_SETBITS, 30, &shift, 85791ebeef5Sahrens NULL) != argc) 85844cb6abcSbmc return (DCMD_USAGE); 85944cb6abcSbmc 86091ebeef5Sahrens if (!opt_b && !shift) 86191ebeef5Sahrens shift = 20; 86244cb6abcSbmc 86391ebeef5Sahrens switch (shift) { 86491ebeef5Sahrens case 0: 86591ebeef5Sahrens suffix = "B"; 86691ebeef5Sahrens break; 86791ebeef5Sahrens case 10: 86891ebeef5Sahrens suffix = "KB"; 86991ebeef5Sahrens break; 87091ebeef5Sahrens case 20: 87191ebeef5Sahrens suffix = "MB"; 87291ebeef5Sahrens break; 87391ebeef5Sahrens case 30: 87491ebeef5Sahrens suffix = "GB"; 87591ebeef5Sahrens break; 87691ebeef5Sahrens default: 87791ebeef5Sahrens suffix = "XX"; 87891ebeef5Sahrens } 87991ebeef5Sahrens 88044cb6abcSbmc for (i = 0; i < nstats; i++) { 88191ebeef5Sahrens int j; 88291ebeef5Sahrens boolean_t bytes = B_FALSE; 88391ebeef5Sahrens 88491ebeef5Sahrens for (j = 0; bytestats[j]; j++) { 88591ebeef5Sahrens if (strcmp(stats[i].name, bytestats[j]) == 0) { 88691ebeef5Sahrens bytes = B_TRUE; 88791ebeef5Sahrens break; 88891ebeef5Sahrens } 88991ebeef5Sahrens } 89091ebeef5Sahrens 89191ebeef5Sahrens if (bytes) { 89291ebeef5Sahrens mdb_printf("%-25s = %9llu %s\n", stats[i].name, 89391ebeef5Sahrens stats[i].value.ui64 >> shift, suffix); 89491ebeef5Sahrens } else { 89591ebeef5Sahrens mdb_printf("%-25s = %9llu\n", stats[i].name, 89644cb6abcSbmc stats[i].value.ui64); 89744cb6abcSbmc } 89844cb6abcSbmc } 89944cb6abcSbmc 90091ebeef5Sahrens for (i = 0; extras[i]; i++) { 90144cb6abcSbmc uint64_t buf; 90244cb6abcSbmc 90391ebeef5Sahrens if (mdb_lookup_by_name(extras[i], &sym) == -1) { 90491ebeef5Sahrens mdb_warn("failed to find '%s'", extras[i]); 90544cb6abcSbmc return (DCMD_ERR); 90644cb6abcSbmc } 90744cb6abcSbmc 90844cb6abcSbmc if (sym.st_size != sizeof (uint64_t) && 90944cb6abcSbmc sym.st_size != sizeof (uint32_t)) { 91091ebeef5Sahrens mdb_warn("expected scalar for variable '%s'\n", 91191ebeef5Sahrens extras[i]); 91244cb6abcSbmc return (DCMD_ERR); 91344cb6abcSbmc } 91444cb6abcSbmc 91544cb6abcSbmc if (mdb_vread(&buf, sym.st_size, sym.st_value) == -1) { 91691ebeef5Sahrens mdb_warn("couldn't read '%s'", extras[i]); 91744cb6abcSbmc return (DCMD_ERR); 91844cb6abcSbmc } 91944cb6abcSbmc 92091ebeef5Sahrens mdb_printf("%-25s = ", extras[i]); 92144cb6abcSbmc 92291ebeef5Sahrens /* NB: all the 64-bit extras happen to be byte counts */ 92344cb6abcSbmc if (sym.st_size == sizeof (uint64_t)) 92491ebeef5Sahrens mdb_printf("%9llu %s\n", buf >> shift, suffix); 92544cb6abcSbmc 92644cb6abcSbmc if (sym.st_size == sizeof (uint32_t)) 92791ebeef5Sahrens mdb_printf("%9d\n", *((uint32_t *)&buf)); 92844cb6abcSbmc } 92944cb6abcSbmc return (DCMD_OK); 93044cb6abcSbmc } 93144cb6abcSbmc 932fa9e4066Sahrens /* 933fa9e4066Sahrens * ::spa 934fa9e4066Sahrens * 935fa9e4066Sahrens * -c Print configuration information as well 936fa9e4066Sahrens * -v Print vdev state 937fa9e4066Sahrens * -e Print vdev error stats 938fa9e4066Sahrens * 939fa9e4066Sahrens * Print a summarized spa_t. When given no arguments, prints out a table of all 940fa9e4066Sahrens * active pools on the system. 941fa9e4066Sahrens */ 942fa9e4066Sahrens /* ARGSUSED */ 943fa9e4066Sahrens static int 944fa9e4066Sahrens spa_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 945fa9e4066Sahrens { 946fa9e4066Sahrens spa_t spa; 947fa9e4066Sahrens const char *statetab[] = { "ACTIVE", "EXPORTED", "DESTROYED", 948e14bb325SJeff Bonwick "SPARE", "L2CACHE", "UNINIT", "UNAVAIL", "POTENTIAL" }; 949fa9e4066Sahrens const char *state; 950fa9e4066Sahrens int config = FALSE; 951fa9e4066Sahrens int vdevs = FALSE; 952fa9e4066Sahrens int errors = FALSE; 953fa9e4066Sahrens 954fa9e4066Sahrens if (mdb_getopts(argc, argv, 955fa9e4066Sahrens 'c', MDB_OPT_SETBITS, TRUE, &config, 956fa9e4066Sahrens 'v', MDB_OPT_SETBITS, TRUE, &vdevs, 957fa9e4066Sahrens 'e', MDB_OPT_SETBITS, TRUE, &errors, 958fa9e4066Sahrens NULL) != argc) 959fa9e4066Sahrens return (DCMD_USAGE); 960fa9e4066Sahrens 961fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) { 962fa9e4066Sahrens if (mdb_walk_dcmd("spa", "spa", argc, argv) == -1) { 963fa9e4066Sahrens mdb_warn("can't walk spa"); 964fa9e4066Sahrens return (DCMD_ERR); 965fa9e4066Sahrens } 966fa9e4066Sahrens 967fa9e4066Sahrens return (DCMD_OK); 968fa9e4066Sahrens } 969fa9e4066Sahrens 970fa9e4066Sahrens if (flags & DCMD_PIPE_OUT) { 971fa9e4066Sahrens mdb_printf("%#lr\n", addr); 972fa9e4066Sahrens return (DCMD_OK); 973fa9e4066Sahrens } 974fa9e4066Sahrens 975fa9e4066Sahrens if (DCMD_HDRSPEC(flags)) 976fa9e4066Sahrens mdb_printf("%<u>%-?s %9s %-*s%</u>\n", "ADDR", "STATE", 977fa9e4066Sahrens sizeof (uintptr_t) == 4 ? 60 : 52, "NAME"); 978fa9e4066Sahrens 979fa9e4066Sahrens if (mdb_vread(&spa, sizeof (spa), addr) == -1) { 980fa9e4066Sahrens mdb_warn("failed to read spa_t at %p", addr); 981fa9e4066Sahrens return (DCMD_ERR); 982fa9e4066Sahrens } 983fa9e4066Sahrens 984fa9e4066Sahrens if (spa.spa_state < 0 || spa.spa_state > POOL_STATE_UNAVAIL) 985ea8dc4b6Seschrock state = "UNKNOWN"; 986fa9e4066Sahrens else 987fa9e4066Sahrens state = statetab[spa.spa_state]; 988fa9e4066Sahrens 989e14bb325SJeff Bonwick mdb_printf("%0?p %9s %s\n", addr, state, spa.spa_name); 990fa9e4066Sahrens 991fa9e4066Sahrens if (config) { 992fa9e4066Sahrens mdb_printf("\n"); 993fa9e4066Sahrens mdb_inc_indent(4); 994fa9e4066Sahrens if (mdb_call_dcmd("spa_config", addr, flags, 0, 995fa9e4066Sahrens NULL) != DCMD_OK) 996fa9e4066Sahrens return (DCMD_ERR); 997fa9e4066Sahrens mdb_dec_indent(4); 998fa9e4066Sahrens } 999fa9e4066Sahrens 1000fa9e4066Sahrens if (vdevs || errors) { 1001fa9e4066Sahrens mdb_arg_t v; 1002fa9e4066Sahrens 1003fa9e4066Sahrens v.a_type = MDB_TYPE_STRING; 1004fa9e4066Sahrens v.a_un.a_str = "-e"; 1005fa9e4066Sahrens 1006fa9e4066Sahrens mdb_printf("\n"); 1007fa9e4066Sahrens mdb_inc_indent(4); 1008fa9e4066Sahrens if (mdb_call_dcmd("spa_vdevs", addr, flags, errors ? 1 : 0, 1009fa9e4066Sahrens &v) != DCMD_OK) 1010fa9e4066Sahrens return (DCMD_ERR); 1011fa9e4066Sahrens mdb_dec_indent(4); 1012fa9e4066Sahrens } 1013fa9e4066Sahrens 1014fa9e4066Sahrens return (DCMD_OK); 1015fa9e4066Sahrens } 1016fa9e4066Sahrens 1017fa9e4066Sahrens /* 1018fa9e4066Sahrens * ::spa_config 1019fa9e4066Sahrens * 1020fa9e4066Sahrens * Given a spa_t, print the configuration information stored in spa_config. 1021fa9e4066Sahrens * Since it's just an nvlist, format it as an indented list of name=value pairs. 1022fa9e4066Sahrens * We simply read the value of spa_config and pass off to ::nvlist. 1023fa9e4066Sahrens */ 1024fa9e4066Sahrens /* ARGSUSED */ 1025fa9e4066Sahrens static int 1026fa9e4066Sahrens spa_print_config(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1027fa9e4066Sahrens { 1028fa9e4066Sahrens spa_t spa; 1029fa9e4066Sahrens 1030fa9e4066Sahrens if (argc != 0 || !(flags & DCMD_ADDRSPEC)) 1031fa9e4066Sahrens return (DCMD_USAGE); 1032fa9e4066Sahrens 1033fa9e4066Sahrens if (mdb_vread(&spa, sizeof (spa), addr) == -1) { 1034fa9e4066Sahrens mdb_warn("failed to read spa_t at %p", addr); 1035fa9e4066Sahrens return (DCMD_ERR); 1036fa9e4066Sahrens } 1037fa9e4066Sahrens 1038fa9e4066Sahrens if (spa.spa_config == NULL) { 1039fa9e4066Sahrens mdb_printf("(none)\n"); 1040fa9e4066Sahrens return (DCMD_OK); 1041fa9e4066Sahrens } 1042fa9e4066Sahrens 1043fa9e4066Sahrens return (mdb_call_dcmd("nvlist", (uintptr_t)spa.spa_config, flags, 1044fa9e4066Sahrens 0, NULL)); 1045fa9e4066Sahrens } 1046fa9e4066Sahrens 1047fa9e4066Sahrens /* 1048fa9e4066Sahrens * ::vdev 1049fa9e4066Sahrens * 1050fa9e4066Sahrens * Print out a summarized vdev_t, in the following form: 1051fa9e4066Sahrens * 1052fa9e4066Sahrens * ADDR STATE AUX DESC 1053fa9e4066Sahrens * fffffffbcde23df0 HEALTHY - /dev/dsk/c0t0d0 1054fa9e4066Sahrens * 1055fa9e4066Sahrens * If '-r' is specified, recursively visit all children. 1056fa9e4066Sahrens * 1057fa9e4066Sahrens * With '-e', the statistics associated with the vdev are printed as well. 1058fa9e4066Sahrens */ 1059fa9e4066Sahrens static int 1060614409b5Sahrens do_print_vdev(uintptr_t addr, int flags, int depth, int stats, 1061fa9e4066Sahrens int recursive) 1062fa9e4066Sahrens { 1063fa9e4066Sahrens vdev_t vdev; 1064fa9e4066Sahrens char desc[MAXNAMELEN]; 1065fa9e4066Sahrens int c, children; 1066fa9e4066Sahrens uintptr_t *child; 1067fa9e4066Sahrens const char *state, *aux; 1068fa9e4066Sahrens 1069fa9e4066Sahrens if (mdb_vread(&vdev, sizeof (vdev), (uintptr_t)addr) == -1) { 1070fa9e4066Sahrens mdb_warn("failed to read vdev_t at %p\n", (uintptr_t)addr); 1071fa9e4066Sahrens return (DCMD_ERR); 1072fa9e4066Sahrens } 1073fa9e4066Sahrens 1074fa9e4066Sahrens if (flags & DCMD_PIPE_OUT) { 1075fa9e4066Sahrens mdb_printf("%#lr", addr); 1076fa9e4066Sahrens } else { 1077fa9e4066Sahrens if (vdev.vdev_path != NULL) { 1078fa9e4066Sahrens if (mdb_readstr(desc, sizeof (desc), 1079fa9e4066Sahrens (uintptr_t)vdev.vdev_path) == -1) { 1080fa9e4066Sahrens mdb_warn("failed to read vdev_path at %p\n", 1081fa9e4066Sahrens vdev.vdev_path); 1082fa9e4066Sahrens return (DCMD_ERR); 1083fa9e4066Sahrens } 1084fa9e4066Sahrens } else if (vdev.vdev_ops != NULL) { 1085fa9e4066Sahrens vdev_ops_t ops; 1086fa9e4066Sahrens if (mdb_vread(&ops, sizeof (ops), 1087fa9e4066Sahrens (uintptr_t)vdev.vdev_ops) == -1) { 1088fa9e4066Sahrens mdb_warn("failed to read vdev_ops at %p\n", 1089fa9e4066Sahrens vdev.vdev_ops); 1090fa9e4066Sahrens return (DCMD_ERR); 1091fa9e4066Sahrens } 1092fa9e4066Sahrens (void) strcpy(desc, ops.vdev_op_type); 1093fa9e4066Sahrens } else { 1094fa9e4066Sahrens (void) strcpy(desc, "<unknown>"); 1095fa9e4066Sahrens } 1096fa9e4066Sahrens 1097fa9e4066Sahrens if (depth == 0 && DCMD_HDRSPEC(flags)) 1098fa9e4066Sahrens mdb_printf("%<u>%-?s %-9s %-12s %-*s%</u>\n", 1099fa9e4066Sahrens "ADDR", "STATE", "AUX", 1100fa9e4066Sahrens sizeof (uintptr_t) == 4 ? 43 : 35, 1101fa9e4066Sahrens "DESCRIPTION"); 1102fa9e4066Sahrens 1103fa9e4066Sahrens mdb_printf("%0?p ", addr); 1104fa9e4066Sahrens 1105fa9e4066Sahrens switch (vdev.vdev_state) { 1106fa9e4066Sahrens case VDEV_STATE_CLOSED: 1107fa9e4066Sahrens state = "CLOSED"; 1108fa9e4066Sahrens break; 1109fa9e4066Sahrens case VDEV_STATE_OFFLINE: 1110fa9e4066Sahrens state = "OFFLINE"; 1111fa9e4066Sahrens break; 1112fa9e4066Sahrens case VDEV_STATE_CANT_OPEN: 1113fa9e4066Sahrens state = "CANT_OPEN"; 1114fa9e4066Sahrens break; 1115fa9e4066Sahrens case VDEV_STATE_DEGRADED: 1116fa9e4066Sahrens state = "DEGRADED"; 1117fa9e4066Sahrens break; 1118fa9e4066Sahrens case VDEV_STATE_HEALTHY: 1119fa9e4066Sahrens state = "HEALTHY"; 1120fa9e4066Sahrens break; 11213d7072f8Seschrock case VDEV_STATE_REMOVED: 11223d7072f8Seschrock state = "REMOVED"; 11233d7072f8Seschrock break; 11243d7072f8Seschrock case VDEV_STATE_FAULTED: 11253d7072f8Seschrock state = "FAULTED"; 11263d7072f8Seschrock break; 1127fa9e4066Sahrens default: 1128fa9e4066Sahrens state = "UNKNOWN"; 1129fa9e4066Sahrens break; 1130fa9e4066Sahrens } 1131fa9e4066Sahrens 1132fa9e4066Sahrens switch (vdev.vdev_stat.vs_aux) { 1133fa9e4066Sahrens case VDEV_AUX_NONE: 1134fa9e4066Sahrens aux = "-"; 1135fa9e4066Sahrens break; 1136fa9e4066Sahrens case VDEV_AUX_OPEN_FAILED: 1137fa9e4066Sahrens aux = "OPEN_FAILED"; 1138fa9e4066Sahrens break; 1139fa9e4066Sahrens case VDEV_AUX_CORRUPT_DATA: 1140fa9e4066Sahrens aux = "CORRUPT_DATA"; 1141fa9e4066Sahrens break; 1142fa9e4066Sahrens case VDEV_AUX_NO_REPLICAS: 1143fa9e4066Sahrens aux = "NO_REPLICAS"; 1144fa9e4066Sahrens break; 1145fa9e4066Sahrens case VDEV_AUX_BAD_GUID_SUM: 1146fa9e4066Sahrens aux = "BAD_GUID_SUM"; 1147fa9e4066Sahrens break; 1148fa9e4066Sahrens case VDEV_AUX_TOO_SMALL: 1149fa9e4066Sahrens aux = "TOO_SMALL"; 1150fa9e4066Sahrens break; 1151fa9e4066Sahrens case VDEV_AUX_BAD_LABEL: 1152fa9e4066Sahrens aux = "BAD_LABEL"; 1153fa9e4066Sahrens break; 1154b87f3af3Sperrin case VDEV_AUX_VERSION_NEWER: 1155b87f3af3Sperrin aux = "VERS_NEWER"; 1156b87f3af3Sperrin break; 1157b87f3af3Sperrin case VDEV_AUX_VERSION_OLDER: 1158b87f3af3Sperrin aux = "VERS_OLDER"; 1159b87f3af3Sperrin break; 1160b87f3af3Sperrin case VDEV_AUX_SPARED: 1161b87f3af3Sperrin aux = "SPARED"; 1162b87f3af3Sperrin break; 1163b87f3af3Sperrin case VDEV_AUX_ERR_EXCEEDED: 1164b87f3af3Sperrin aux = "ERR_EXCEEDED"; 1165b87f3af3Sperrin break; 1166b87f3af3Sperrin case VDEV_AUX_IO_FAILURE: 1167b87f3af3Sperrin aux = "IO_FAILURE"; 1168b87f3af3Sperrin break; 1169b87f3af3Sperrin case VDEV_AUX_BAD_LOG: 1170b87f3af3Sperrin aux = "BAD_LOG"; 1171b87f3af3Sperrin break; 11721195e687SMark J Musante case VDEV_AUX_EXTERNAL: 11731195e687SMark J Musante aux = "EXTERNAL"; 11741195e687SMark J Musante break; 11751195e687SMark J Musante case VDEV_AUX_SPLIT_POOL: 11761195e687SMark J Musante aux = "SPLIT_POOL"; 11771195e687SMark J Musante break; 1178fa9e4066Sahrens default: 1179fa9e4066Sahrens aux = "UNKNOWN"; 1180fa9e4066Sahrens break; 1181fa9e4066Sahrens } 1182fa9e4066Sahrens 1183fa9e4066Sahrens mdb_printf("%-9s %-12s %*s%s\n", state, aux, depth, "", desc); 1184fa9e4066Sahrens 1185fa9e4066Sahrens if (stats) { 1186fa9e4066Sahrens vdev_stat_t *vs = &vdev.vdev_stat; 1187fa9e4066Sahrens int i; 1188fa9e4066Sahrens 1189fa9e4066Sahrens mdb_inc_indent(4); 1190fa9e4066Sahrens mdb_printf("\n"); 1191fa9e4066Sahrens mdb_printf("%<u> %12s %12s %12s %12s " 1192fa9e4066Sahrens "%12s%</u>\n", "READ", "WRITE", "FREE", "CLAIM", 1193fa9e4066Sahrens "IOCTL"); 1194fa9e4066Sahrens mdb_printf("OPS "); 1195fa9e4066Sahrens for (i = 1; i < ZIO_TYPES; i++) 1196fa9e4066Sahrens mdb_printf("%11#llx%s", vs->vs_ops[i], 1197fa9e4066Sahrens i == ZIO_TYPES - 1 ? "" : " "); 1198fa9e4066Sahrens mdb_printf("\n"); 1199fa9e4066Sahrens mdb_printf("BYTES "); 1200fa9e4066Sahrens for (i = 1; i < ZIO_TYPES; i++) 1201fa9e4066Sahrens mdb_printf("%11#llx%s", vs->vs_bytes[i], 1202fa9e4066Sahrens i == ZIO_TYPES - 1 ? "" : " "); 1203fa9e4066Sahrens 1204fa9e4066Sahrens 1205fa9e4066Sahrens mdb_printf("\n"); 1206fa9e4066Sahrens mdb_printf("EREAD %10#llx\n", vs->vs_read_errors); 1207fa9e4066Sahrens mdb_printf("EWRITE %10#llx\n", vs->vs_write_errors); 1208fa9e4066Sahrens mdb_printf("ECKSUM %10#llx\n", 1209fa9e4066Sahrens vs->vs_checksum_errors); 1210fa9e4066Sahrens mdb_dec_indent(4); 1211fa9e4066Sahrens } 1212fa9e4066Sahrens 1213614409b5Sahrens if (stats) 1214fa9e4066Sahrens mdb_printf("\n"); 1215fa9e4066Sahrens } 1216fa9e4066Sahrens 1217fa9e4066Sahrens children = vdev.vdev_children; 1218fa9e4066Sahrens 1219fa9e4066Sahrens if (children == 0 || !recursive) 1220fa9e4066Sahrens return (DCMD_OK); 1221fa9e4066Sahrens 1222fa9e4066Sahrens child = mdb_alloc(children * sizeof (void *), UM_SLEEP | UM_GC); 1223fa9e4066Sahrens if (mdb_vread(child, children * sizeof (void *), 1224fa9e4066Sahrens (uintptr_t)vdev.vdev_child) == -1) { 1225fa9e4066Sahrens mdb_warn("failed to read vdev children at %p", vdev.vdev_child); 1226fa9e4066Sahrens return (DCMD_ERR); 1227fa9e4066Sahrens } 1228fa9e4066Sahrens 1229fa9e4066Sahrens for (c = 0; c < children; c++) { 1230614409b5Sahrens if (do_print_vdev(child[c], flags, depth + 2, stats, 1231fa9e4066Sahrens recursive)) 1232fa9e4066Sahrens return (DCMD_ERR); 1233fa9e4066Sahrens } 1234fa9e4066Sahrens 1235fa9e4066Sahrens return (DCMD_OK); 1236fa9e4066Sahrens } 1237fa9e4066Sahrens 1238fa9e4066Sahrens static int 1239fa9e4066Sahrens vdev_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1240fa9e4066Sahrens { 1241fa9e4066Sahrens int recursive = FALSE; 1242fa9e4066Sahrens int stats = FALSE; 1243c5904d13Seschrock uint64_t depth = 0; 1244fa9e4066Sahrens 1245fa9e4066Sahrens if (mdb_getopts(argc, argv, 1246fa9e4066Sahrens 'r', MDB_OPT_SETBITS, TRUE, &recursive, 1247fa9e4066Sahrens 'e', MDB_OPT_SETBITS, TRUE, &stats, 1248c5904d13Seschrock 'd', MDB_OPT_UINT64, &depth, 1249fa9e4066Sahrens NULL) != argc) 1250fa9e4066Sahrens return (DCMD_USAGE); 1251fa9e4066Sahrens 1252fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) { 1253fa9e4066Sahrens mdb_warn("no vdev_t address given\n"); 1254fa9e4066Sahrens return (DCMD_ERR); 1255fa9e4066Sahrens } 1256fa9e4066Sahrens 1257c5904d13Seschrock return (do_print_vdev(addr, flags, (int)depth, stats, recursive)); 1258fa9e4066Sahrens } 1259fa9e4066Sahrens 12605f5f7a6fSahrens typedef struct metaslab_walk_data { 12615f5f7a6fSahrens uint64_t mw_numvdevs; 12625f5f7a6fSahrens uintptr_t *mw_vdevs; 12635f5f7a6fSahrens int mw_curvdev; 12645f5f7a6fSahrens uint64_t mw_nummss; 12655f5f7a6fSahrens uintptr_t *mw_mss; 12665f5f7a6fSahrens int mw_curms; 12675f5f7a6fSahrens } metaslab_walk_data_t; 12685f5f7a6fSahrens 12695f5f7a6fSahrens static int 12705f5f7a6fSahrens metaslab_walk_step(mdb_walk_state_t *wsp) 12715f5f7a6fSahrens { 12725f5f7a6fSahrens metaslab_walk_data_t *mw = wsp->walk_data; 12735f5f7a6fSahrens metaslab_t ms; 12745f5f7a6fSahrens uintptr_t msp; 12755f5f7a6fSahrens 12765f5f7a6fSahrens if (mw->mw_curvdev >= mw->mw_numvdevs) 12775f5f7a6fSahrens return (WALK_DONE); 12785f5f7a6fSahrens 12795f5f7a6fSahrens if (mw->mw_mss == NULL) { 12805f5f7a6fSahrens uintptr_t mssp; 12815f5f7a6fSahrens uintptr_t vdevp; 12825f5f7a6fSahrens 12835f5f7a6fSahrens ASSERT(mw->mw_curms == 0); 12845f5f7a6fSahrens ASSERT(mw->mw_nummss == 0); 12855f5f7a6fSahrens 12865f5f7a6fSahrens vdevp = mw->mw_vdevs[mw->mw_curvdev]; 12875f5f7a6fSahrens if (GETMEMB(vdevp, struct vdev, vdev_ms, mssp) || 12885f5f7a6fSahrens GETMEMB(vdevp, struct vdev, vdev_ms_count, mw->mw_nummss)) { 12895f5f7a6fSahrens return (WALK_ERR); 12905f5f7a6fSahrens } 12915f5f7a6fSahrens 12925f5f7a6fSahrens mw->mw_mss = mdb_alloc(mw->mw_nummss * sizeof (void*), 12935f5f7a6fSahrens UM_SLEEP | UM_GC); 12945f5f7a6fSahrens if (mdb_vread(mw->mw_mss, mw->mw_nummss * sizeof (void*), 12955f5f7a6fSahrens mssp) == -1) { 12965f5f7a6fSahrens mdb_warn("failed to read vdev_ms at %p", mssp); 12975f5f7a6fSahrens return (WALK_ERR); 12985f5f7a6fSahrens } 12995f5f7a6fSahrens } 13005f5f7a6fSahrens 13015f5f7a6fSahrens if (mw->mw_curms >= mw->mw_nummss) { 13025f5f7a6fSahrens mw->mw_mss = NULL; 13035f5f7a6fSahrens mw->mw_curms = 0; 13045f5f7a6fSahrens mw->mw_nummss = 0; 13055f5f7a6fSahrens mw->mw_curvdev++; 13065f5f7a6fSahrens return (WALK_NEXT); 13075f5f7a6fSahrens } 13085f5f7a6fSahrens 13095f5f7a6fSahrens msp = mw->mw_mss[mw->mw_curms]; 13105f5f7a6fSahrens if (mdb_vread(&ms, sizeof (metaslab_t), msp) == -1) { 13115f5f7a6fSahrens mdb_warn("failed to read metaslab_t at %p", msp); 13125f5f7a6fSahrens return (WALK_ERR); 13135f5f7a6fSahrens } 13145f5f7a6fSahrens 13155f5f7a6fSahrens mw->mw_curms++; 13165f5f7a6fSahrens 13175f5f7a6fSahrens return (wsp->walk_callback(msp, &ms, wsp->walk_cbdata)); 13185f5f7a6fSahrens } 13195f5f7a6fSahrens 13205f5f7a6fSahrens /* ARGSUSED */ 13215f5f7a6fSahrens static int 13225f5f7a6fSahrens metaslab_walk_init(mdb_walk_state_t *wsp) 13235f5f7a6fSahrens { 13245f5f7a6fSahrens metaslab_walk_data_t *mw; 13255f5f7a6fSahrens uintptr_t root_vdevp; 13265f5f7a6fSahrens uintptr_t childp; 13275f5f7a6fSahrens 13285f5f7a6fSahrens if (wsp->walk_addr == NULL) { 13295f5f7a6fSahrens mdb_warn("must supply address of spa_t\n"); 13305f5f7a6fSahrens return (WALK_ERR); 13315f5f7a6fSahrens } 13325f5f7a6fSahrens 13335f5f7a6fSahrens mw = mdb_zalloc(sizeof (metaslab_walk_data_t), UM_SLEEP | UM_GC); 13345f5f7a6fSahrens 13355f5f7a6fSahrens if (GETMEMB(wsp->walk_addr, struct spa, spa_root_vdev, root_vdevp) || 13365f5f7a6fSahrens GETMEMB(root_vdevp, struct vdev, vdev_children, mw->mw_numvdevs) || 13375f5f7a6fSahrens GETMEMB(root_vdevp, struct vdev, vdev_child, childp)) { 13385f5f7a6fSahrens return (DCMD_ERR); 13395f5f7a6fSahrens } 13405f5f7a6fSahrens 13415f5f7a6fSahrens mw->mw_vdevs = mdb_alloc(mw->mw_numvdevs * sizeof (void *), 13425f5f7a6fSahrens UM_SLEEP | UM_GC); 13435f5f7a6fSahrens if (mdb_vread(mw->mw_vdevs, mw->mw_numvdevs * sizeof (void *), 13445f5f7a6fSahrens childp) == -1) { 13455f5f7a6fSahrens mdb_warn("failed to read root vdev children at %p", childp); 13465f5f7a6fSahrens return (DCMD_ERR); 13475f5f7a6fSahrens } 13485f5f7a6fSahrens 13495f5f7a6fSahrens wsp->walk_data = mw; 13505f5f7a6fSahrens 13515f5f7a6fSahrens return (WALK_NEXT); 13525f5f7a6fSahrens } 13535f5f7a6fSahrens 1354fa9e4066Sahrens typedef struct mdb_spa { 1355fa9e4066Sahrens uintptr_t spa_dsl_pool; 1356fa9e4066Sahrens uintptr_t spa_root_vdev; 1357fa9e4066Sahrens } mdb_spa_t; 1358fa9e4066Sahrens 1359fa9e4066Sahrens typedef struct mdb_dsl_dir { 1360fa9e4066Sahrens uintptr_t dd_phys; 1361fa9e4066Sahrens int64_t dd_space_towrite[TXG_SIZE]; 1362fa9e4066Sahrens } mdb_dsl_dir_t; 1363fa9e4066Sahrens 1364fa9e4066Sahrens typedef struct mdb_dsl_dir_phys { 1365fa9e4066Sahrens uint64_t dd_used_bytes; 1366fa9e4066Sahrens uint64_t dd_compressed_bytes; 1367fa9e4066Sahrens uint64_t dd_uncompressed_bytes; 1368fa9e4066Sahrens } mdb_dsl_dir_phys_t; 1369fa9e4066Sahrens 1370fa9e4066Sahrens typedef struct mdb_vdev { 1371fa9e4066Sahrens uintptr_t vdev_parent; 1372fa9e4066Sahrens uintptr_t vdev_ms; 1373fa9e4066Sahrens uint64_t vdev_ms_count; 1374fa9e4066Sahrens vdev_stat_t vdev_stat; 1375fa9e4066Sahrens } mdb_vdev_t; 1376fa9e4066Sahrens 1377fa9e4066Sahrens typedef struct mdb_metaslab { 1378fa9e4066Sahrens space_map_t ms_allocmap[TXG_SIZE]; 1379fa9e4066Sahrens space_map_t ms_freemap[TXG_SIZE]; 1380fa9e4066Sahrens space_map_t ms_map; 1381ecc2d604Sbonwick space_map_obj_t ms_smo; 13825f5f7a6fSahrens space_map_obj_t ms_smo_syncing; 1383fa9e4066Sahrens } mdb_metaslab_t; 1384fa9e4066Sahrens 13855f5f7a6fSahrens typedef struct space_data { 13865f5f7a6fSahrens uint64_t ms_allocmap[TXG_SIZE]; 13875f5f7a6fSahrens uint64_t ms_freemap[TXG_SIZE]; 13885f5f7a6fSahrens uint64_t ms_map; 13895f5f7a6fSahrens uint64_t avail; 13905f5f7a6fSahrens uint64_t nowavail; 13915f5f7a6fSahrens } space_data_t; 13925f5f7a6fSahrens 13935f5f7a6fSahrens /* ARGSUSED */ 13945f5f7a6fSahrens static int 13955f5f7a6fSahrens space_cb(uintptr_t addr, const void *unknown, void *arg) 13965f5f7a6fSahrens { 13975f5f7a6fSahrens space_data_t *sd = arg; 13985f5f7a6fSahrens mdb_metaslab_t ms; 13995f5f7a6fSahrens 14005f5f7a6fSahrens if (GETMEMB(addr, struct metaslab, ms_allocmap, ms.ms_allocmap) || 14015f5f7a6fSahrens GETMEMB(addr, struct metaslab, ms_freemap, ms.ms_freemap) || 14025f5f7a6fSahrens GETMEMB(addr, struct metaslab, ms_map, ms.ms_map) || 14035f5f7a6fSahrens GETMEMB(addr, struct metaslab, ms_smo, ms.ms_smo) || 14045f5f7a6fSahrens GETMEMB(addr, struct metaslab, ms_smo_syncing, ms.ms_smo_syncing)) { 14055f5f7a6fSahrens return (WALK_ERR); 14065f5f7a6fSahrens } 14075f5f7a6fSahrens 14085f5f7a6fSahrens sd->ms_allocmap[0] += ms.ms_allocmap[0].sm_space; 14095f5f7a6fSahrens sd->ms_allocmap[1] += ms.ms_allocmap[1].sm_space; 14105f5f7a6fSahrens sd->ms_allocmap[2] += ms.ms_allocmap[2].sm_space; 14115f5f7a6fSahrens sd->ms_allocmap[3] += ms.ms_allocmap[3].sm_space; 14125f5f7a6fSahrens sd->ms_freemap[0] += ms.ms_freemap[0].sm_space; 14135f5f7a6fSahrens sd->ms_freemap[1] += ms.ms_freemap[1].sm_space; 14145f5f7a6fSahrens sd->ms_freemap[2] += ms.ms_freemap[2].sm_space; 14155f5f7a6fSahrens sd->ms_freemap[3] += ms.ms_freemap[3].sm_space; 14165f5f7a6fSahrens sd->ms_map += ms.ms_map.sm_space; 14175f5f7a6fSahrens sd->avail += ms.ms_map.sm_size - ms.ms_smo.smo_alloc; 14185f5f7a6fSahrens sd->nowavail += ms.ms_map.sm_size - ms.ms_smo_syncing.smo_alloc; 14195f5f7a6fSahrens 14205f5f7a6fSahrens return (WALK_NEXT); 14215f5f7a6fSahrens } 14225f5f7a6fSahrens 1423fa9e4066Sahrens /* 1424fa9e4066Sahrens * ::spa_space [-b] 1425fa9e4066Sahrens * 1426fa9e4066Sahrens * Given a spa_t, print out it's on-disk space usage and in-core 1427fa9e4066Sahrens * estimates of future usage. If -b is given, print space in bytes. 1428fa9e4066Sahrens * Otherwise print in megabytes. 1429fa9e4066Sahrens */ 1430fa9e4066Sahrens /* ARGSUSED */ 1431fa9e4066Sahrens static int 1432fa9e4066Sahrens spa_space(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1433fa9e4066Sahrens { 1434fa9e4066Sahrens mdb_spa_t spa; 1435fa9e4066Sahrens uintptr_t dp_root_dir; 1436fa9e4066Sahrens mdb_dsl_dir_t dd; 1437fa9e4066Sahrens mdb_dsl_dir_phys_t dsp; 1438fa9e4066Sahrens uint64_t children; 1439fa9e4066Sahrens uintptr_t childaddr; 14405f5f7a6fSahrens space_data_t sd; 1441fa9e4066Sahrens int shift = 20; 1442fa9e4066Sahrens char *suffix = "M"; 1443fa9e4066Sahrens int bits = FALSE; 1444fa9e4066Sahrens 1445fa9e4066Sahrens if (mdb_getopts(argc, argv, 'b', MDB_OPT_SETBITS, TRUE, &bits, NULL) != 1446fa9e4066Sahrens argc) 1447fa9e4066Sahrens return (DCMD_USAGE); 1448fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) 1449fa9e4066Sahrens return (DCMD_USAGE); 1450fa9e4066Sahrens 1451fa9e4066Sahrens if (bits) { 1452fa9e4066Sahrens shift = 0; 1453fa9e4066Sahrens suffix = ""; 1454fa9e4066Sahrens } 1455fa9e4066Sahrens 1456fa9e4066Sahrens if (GETMEMB(addr, struct spa, spa_dsl_pool, spa.spa_dsl_pool) || 1457fa9e4066Sahrens GETMEMB(addr, struct spa, spa_root_vdev, spa.spa_root_vdev) || 1458fa9e4066Sahrens GETMEMB(spa.spa_root_vdev, struct vdev, vdev_children, children) || 1459fa9e4066Sahrens GETMEMB(spa.spa_root_vdev, struct vdev, vdev_child, childaddr) || 1460fa9e4066Sahrens GETMEMB(spa.spa_dsl_pool, struct dsl_pool, 1461fa9e4066Sahrens dp_root_dir, dp_root_dir) || 1462fa9e4066Sahrens GETMEMB(dp_root_dir, struct dsl_dir, dd_phys, dd.dd_phys) || 1463fa9e4066Sahrens GETMEMB(dp_root_dir, struct dsl_dir, 1464fa9e4066Sahrens dd_space_towrite, dd.dd_space_towrite) || 1465fa9e4066Sahrens GETMEMB(dd.dd_phys, struct dsl_dir_phys, 14665f5f7a6fSahrens dd_used_bytes, dsp.dd_used_bytes) || 14675f5f7a6fSahrens GETMEMB(dd.dd_phys, struct dsl_dir_phys, 1468fa9e4066Sahrens dd_compressed_bytes, dsp.dd_compressed_bytes) || 1469fa9e4066Sahrens GETMEMB(dd.dd_phys, struct dsl_dir_phys, 1470fa9e4066Sahrens dd_uncompressed_bytes, dsp.dd_uncompressed_bytes)) { 1471fa9e4066Sahrens return (DCMD_ERR); 1472fa9e4066Sahrens } 1473fa9e4066Sahrens 1474fa9e4066Sahrens mdb_printf("dd_space_towrite = %llu%s %llu%s %llu%s %llu%s\n", 1475fa9e4066Sahrens dd.dd_space_towrite[0] >> shift, suffix, 1476fa9e4066Sahrens dd.dd_space_towrite[1] >> shift, suffix, 1477fa9e4066Sahrens dd.dd_space_towrite[2] >> shift, suffix, 1478fa9e4066Sahrens dd.dd_space_towrite[3] >> shift, suffix); 1479fa9e4066Sahrens 1480fa9e4066Sahrens mdb_printf("dd_phys.dd_used_bytes = %llu%s\n", 1481fa9e4066Sahrens dsp.dd_used_bytes >> shift, suffix); 1482fa9e4066Sahrens mdb_printf("dd_phys.dd_compressed_bytes = %llu%s\n", 1483fa9e4066Sahrens dsp.dd_compressed_bytes >> shift, suffix); 1484fa9e4066Sahrens mdb_printf("dd_phys.dd_uncompressed_bytes = %llu%s\n", 1485fa9e4066Sahrens dsp.dd_uncompressed_bytes >> shift, suffix); 1486fa9e4066Sahrens 14875f5f7a6fSahrens bzero(&sd, sizeof (sd)); 14885f5f7a6fSahrens if (mdb_pwalk("metaslab", space_cb, &sd, addr) != 0) { 14895f5f7a6fSahrens mdb_warn("can't walk metaslabs"); 1490fa9e4066Sahrens return (DCMD_ERR); 1491fa9e4066Sahrens } 1492fa9e4066Sahrens 1493fa9e4066Sahrens mdb_printf("ms_allocmap = %llu%s %llu%s %llu%s %llu%s\n", 14945f5f7a6fSahrens sd.ms_allocmap[0] >> shift, suffix, 14955f5f7a6fSahrens sd.ms_allocmap[1] >> shift, suffix, 14965f5f7a6fSahrens sd.ms_allocmap[2] >> shift, suffix, 14975f5f7a6fSahrens sd.ms_allocmap[3] >> shift, suffix); 1498fa9e4066Sahrens mdb_printf("ms_freemap = %llu%s %llu%s %llu%s %llu%s\n", 14995f5f7a6fSahrens sd.ms_freemap[0] >> shift, suffix, 15005f5f7a6fSahrens sd.ms_freemap[1] >> shift, suffix, 15015f5f7a6fSahrens sd.ms_freemap[2] >> shift, suffix, 15025f5f7a6fSahrens sd.ms_freemap[3] >> shift, suffix); 15035f5f7a6fSahrens mdb_printf("ms_map = %llu%s\n", sd.ms_map >> shift, suffix); 15045f5f7a6fSahrens mdb_printf("last synced avail = %llu%s\n", sd.avail >> shift, suffix); 15055f5f7a6fSahrens mdb_printf("current syncing avail = %llu%s\n", 15065f5f7a6fSahrens sd.nowavail >> shift, suffix); 1507fa9e4066Sahrens 1508fa9e4066Sahrens return (DCMD_OK); 1509fa9e4066Sahrens } 1510fa9e4066Sahrens 1511fa9e4066Sahrens /* 1512fa9e4066Sahrens * ::spa_verify 1513fa9e4066Sahrens * 1514fa9e4066Sahrens * Given a spa_t, verify that that the pool is self-consistent. 1515fa9e4066Sahrens * Currently, it only checks to make sure that the vdev tree exists. 1516fa9e4066Sahrens */ 1517fa9e4066Sahrens /* ARGSUSED */ 1518fa9e4066Sahrens static int 1519fa9e4066Sahrens spa_verify(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1520fa9e4066Sahrens { 1521fa9e4066Sahrens spa_t spa; 1522fa9e4066Sahrens 1523fa9e4066Sahrens if (argc != 0 || !(flags & DCMD_ADDRSPEC)) 1524fa9e4066Sahrens return (DCMD_USAGE); 1525fa9e4066Sahrens 1526fa9e4066Sahrens if (mdb_vread(&spa, sizeof (spa), addr) == -1) { 1527fa9e4066Sahrens mdb_warn("failed to read spa_t at %p", addr); 1528fa9e4066Sahrens return (DCMD_ERR); 1529fa9e4066Sahrens } 1530fa9e4066Sahrens 1531fa9e4066Sahrens if (spa.spa_root_vdev == NULL) { 1532fa9e4066Sahrens mdb_printf("no vdev tree present\n"); 1533fa9e4066Sahrens return (DCMD_OK); 1534fa9e4066Sahrens } 1535fa9e4066Sahrens 1536fa9e4066Sahrens return (DCMD_OK); 1537fa9e4066Sahrens } 1538fa9e4066Sahrens 1539ec9f632eSEric Schrock static int 1540ec9f632eSEric Schrock spa_print_aux(spa_aux_vdev_t *sav, uint_t flags, mdb_arg_t *v, 1541ec9f632eSEric Schrock const char *name) 1542ec9f632eSEric Schrock { 1543ec9f632eSEric Schrock uintptr_t *aux; 1544ec9f632eSEric Schrock size_t len; 1545ec9f632eSEric Schrock int ret, i; 1546ec9f632eSEric Schrock 1547ec9f632eSEric Schrock /* 1548ec9f632eSEric Schrock * Iterate over aux vdevs and print those out as well. This is a 1549ec9f632eSEric Schrock * little annoying because we don't have a root vdev to pass to ::vdev. 1550ec9f632eSEric Schrock * Instead, we print a single line and then call it for each child 1551ec9f632eSEric Schrock * vdev. 1552ec9f632eSEric Schrock */ 1553ec9f632eSEric Schrock if (sav->sav_count != 0) { 1554ec9f632eSEric Schrock v[1].a_type = MDB_TYPE_STRING; 1555ec9f632eSEric Schrock v[1].a_un.a_str = "-d"; 1556ec9f632eSEric Schrock v[2].a_type = MDB_TYPE_IMMEDIATE; 1557ec9f632eSEric Schrock v[2].a_un.a_val = 2; 1558ec9f632eSEric Schrock 1559ec9f632eSEric Schrock len = sav->sav_count * sizeof (uintptr_t); 1560ec9f632eSEric Schrock aux = mdb_alloc(len, UM_SLEEP); 1561ec9f632eSEric Schrock if (mdb_vread(aux, len, 1562ec9f632eSEric Schrock (uintptr_t)sav->sav_vdevs) == -1) { 1563ec9f632eSEric Schrock mdb_free(aux, len); 1564ec9f632eSEric Schrock mdb_warn("failed to read l2cache vdevs at %p", 1565ec9f632eSEric Schrock sav->sav_vdevs); 1566ec9f632eSEric Schrock return (DCMD_ERR); 1567ec9f632eSEric Schrock } 1568ec9f632eSEric Schrock 1569ec9f632eSEric Schrock mdb_printf("%-?s %-9s %-12s %s\n", "-", "-", "-", name); 1570ec9f632eSEric Schrock 1571ec9f632eSEric Schrock for (i = 0; i < sav->sav_count; i++) { 1572ec9f632eSEric Schrock ret = mdb_call_dcmd("vdev", aux[i], flags, 3, v); 1573ec9f632eSEric Schrock if (ret != DCMD_OK) { 1574ec9f632eSEric Schrock mdb_free(aux, len); 1575ec9f632eSEric Schrock return (ret); 1576ec9f632eSEric Schrock } 1577ec9f632eSEric Schrock } 1578ec9f632eSEric Schrock 1579ec9f632eSEric Schrock mdb_free(aux, len); 1580ec9f632eSEric Schrock } 1581ec9f632eSEric Schrock 1582ec9f632eSEric Schrock return (0); 1583ec9f632eSEric Schrock } 1584ec9f632eSEric Schrock 1585fa9e4066Sahrens /* 1586fa9e4066Sahrens * ::spa_vdevs 1587fa9e4066Sahrens * 1588fa9e4066Sahrens * -e Include error stats 1589fa9e4066Sahrens * 1590fa9e4066Sahrens * Print out a summarized list of vdevs for the given spa_t. 1591c5904d13Seschrock * This is accomplished by invoking "::vdev -re" on the root vdev, as well as 1592c5904d13Seschrock * iterating over the cache devices. 1593fa9e4066Sahrens */ 1594fa9e4066Sahrens /* ARGSUSED */ 1595fa9e4066Sahrens static int 1596fa9e4066Sahrens spa_vdevs(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1597fa9e4066Sahrens { 1598fa9e4066Sahrens spa_t spa; 1599c5904d13Seschrock mdb_arg_t v[3]; 1600fa9e4066Sahrens int errors = FALSE; 1601ec9f632eSEric Schrock int ret; 1602fa9e4066Sahrens 1603fa9e4066Sahrens if (mdb_getopts(argc, argv, 1604fa9e4066Sahrens 'e', MDB_OPT_SETBITS, TRUE, &errors, 1605fa9e4066Sahrens NULL) != argc) 1606fa9e4066Sahrens return (DCMD_USAGE); 1607fa9e4066Sahrens 1608fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) 1609fa9e4066Sahrens return (DCMD_USAGE); 1610fa9e4066Sahrens 1611fa9e4066Sahrens if (mdb_vread(&spa, sizeof (spa), addr) == -1) { 1612fa9e4066Sahrens mdb_warn("failed to read spa_t at %p", addr); 1613fa9e4066Sahrens return (DCMD_ERR); 1614fa9e4066Sahrens } 1615fa9e4066Sahrens 1616088e9d47Seschrock /* 1617088e9d47Seschrock * Unitialized spa_t structures can have a NULL root vdev. 1618088e9d47Seschrock */ 1619088e9d47Seschrock if (spa.spa_root_vdev == NULL) { 1620088e9d47Seschrock mdb_printf("no associated vdevs\n"); 1621088e9d47Seschrock return (DCMD_OK); 1622088e9d47Seschrock } 1623088e9d47Seschrock 1624c5904d13Seschrock v[0].a_type = MDB_TYPE_STRING; 1625c5904d13Seschrock v[0].a_un.a_str = errors ? "-re" : "-r"; 1626fa9e4066Sahrens 1627c5904d13Seschrock ret = mdb_call_dcmd("vdev", (uintptr_t)spa.spa_root_vdev, 1628c5904d13Seschrock flags, 1, v); 1629c5904d13Seschrock if (ret != DCMD_OK) 1630c5904d13Seschrock return (ret); 1631c5904d13Seschrock 1632ec9f632eSEric Schrock if (spa_print_aux(&spa.spa_l2cache, flags, v, "cache") != 0 || 1633ec9f632eSEric Schrock spa_print_aux(&spa.spa_spares, flags, v, "spares") != 0) 1634c5904d13Seschrock return (DCMD_ERR); 1635c5904d13Seschrock 1636c5904d13Seschrock return (DCMD_OK); 1637fa9e4066Sahrens } 1638fa9e4066Sahrens 1639ccae0b50Seschrock /* 1640ccae0b50Seschrock * ::zio 1641ccae0b50Seschrock * 1642ccae0b50Seschrock * Print a summary of zio_t and all its children. This is intended to display a 1643ccae0b50Seschrock * zio tree, and hence we only pick the most important pieces of information for 1644ccae0b50Seschrock * the main summary. More detailed information can always be found by doing a 1645ccae0b50Seschrock * '::print zio' on the underlying zio_t. The columns we display are: 1646ccae0b50Seschrock * 1647ccae0b50Seschrock * ADDRESS TYPE STAGE WAITER 1648ccae0b50Seschrock * 1649ccae0b50Seschrock * The 'address' column is indented by one space for each depth level as we 1650ccae0b50Seschrock * descend down the tree. 1651ccae0b50Seschrock */ 1652fac3008cSeschrock 1653a3f829aeSBill Moore #define ZIO_MAXINDENT 24 1654a3f829aeSBill Moore #define ZIO_MAXWIDTH (sizeof (uintptr_t) * 2 + ZIO_MAXINDENT) 1655a3f829aeSBill Moore #define ZIO_WALK_SELF 0 1656a3f829aeSBill Moore #define ZIO_WALK_CHILD 1 1657a3f829aeSBill Moore #define ZIO_WALK_PARENT 2 1658a3f829aeSBill Moore 1659a3f829aeSBill Moore typedef struct zio_print_args { 1660a3f829aeSBill Moore int zpa_current_depth; 1661a3f829aeSBill Moore int zpa_min_depth; 1662a3f829aeSBill Moore int zpa_max_depth; 1663a3f829aeSBill Moore int zpa_type; 1664a3f829aeSBill Moore uint_t zpa_flags; 1665a3f829aeSBill Moore } zio_print_args_t; 1666a3f829aeSBill Moore 1667a3f829aeSBill Moore static int zio_child_cb(uintptr_t addr, const void *unknown, void *arg); 1668fac3008cSeschrock 1669ccae0b50Seschrock static int 1670ccae0b50Seschrock zio_print_cb(uintptr_t addr, const void *data, void *priv) 1671ccae0b50Seschrock { 1672ccae0b50Seschrock const zio_t *zio = data; 1673a3f829aeSBill Moore zio_print_args_t *zpa = priv; 1674ccae0b50Seschrock mdb_ctf_id_t type_enum, stage_enum; 1675a3f829aeSBill Moore int indent = zpa->zpa_current_depth; 1676ccae0b50Seschrock const char *type, *stage; 1677a3f829aeSBill Moore uintptr_t laddr; 1678ccae0b50Seschrock 1679a3f829aeSBill Moore if (indent > ZIO_MAXINDENT) 1680a3f829aeSBill Moore indent = ZIO_MAXINDENT; 1681ccae0b50Seschrock 1682ccae0b50Seschrock if (mdb_ctf_lookup_by_name("enum zio_type", &type_enum) == -1 || 1683ccae0b50Seschrock mdb_ctf_lookup_by_name("enum zio_stage", &stage_enum) == -1) { 1684ccae0b50Seschrock mdb_warn("failed to lookup zio enums"); 1685ccae0b50Seschrock return (WALK_ERR); 1686ccae0b50Seschrock } 1687ccae0b50Seschrock 1688ccae0b50Seschrock if ((type = mdb_ctf_enum_name(type_enum, zio->io_type)) != NULL) 1689ccae0b50Seschrock type += sizeof ("ZIO_TYPE_") - 1; 1690ccae0b50Seschrock else 1691ccae0b50Seschrock type = "?"; 1692ccae0b50Seschrock 1693ccae0b50Seschrock if ((stage = mdb_ctf_enum_name(stage_enum, zio->io_stage)) != NULL) 1694ccae0b50Seschrock stage += sizeof ("ZIO_STAGE_") - 1; 1695ccae0b50Seschrock else 1696ccae0b50Seschrock stage = "?"; 1697ccae0b50Seschrock 1698a3f829aeSBill Moore if (zpa->zpa_current_depth >= zpa->zpa_min_depth) { 1699a3f829aeSBill Moore if (zpa->zpa_flags & DCMD_PIPE_OUT) { 1700a3f829aeSBill Moore mdb_printf("%?p\n", addr); 1701a3f829aeSBill Moore } else { 1702a3f829aeSBill Moore mdb_printf("%*s%-*p %-5s %-16s ", indent, "", 1703a3f829aeSBill Moore ZIO_MAXWIDTH - indent, addr, type, stage); 1704ccae0b50Seschrock if (zio->io_waiter) 1705ccae0b50Seschrock mdb_printf("%?p\n", zio->io_waiter); 1706ccae0b50Seschrock else 1707ccae0b50Seschrock mdb_printf("-\n"); 1708a3f829aeSBill Moore } 1709a3f829aeSBill Moore } 1710ccae0b50Seschrock 1711a3f829aeSBill Moore if (zpa->zpa_current_depth >= zpa->zpa_max_depth) 1712a3f829aeSBill Moore return (WALK_NEXT); 1713a3f829aeSBill Moore 1714a3f829aeSBill Moore if (zpa->zpa_type == ZIO_WALK_PARENT) 1715a3f829aeSBill Moore laddr = addr + OFFSETOF(zio_t, io_parent_list); 1716a3f829aeSBill Moore else 1717a3f829aeSBill Moore laddr = addr + OFFSETOF(zio_t, io_child_list); 1718a3f829aeSBill Moore 1719a3f829aeSBill Moore zpa->zpa_current_depth++; 1720a3f829aeSBill Moore if (mdb_pwalk("list", zio_child_cb, zpa, laddr) != 0) { 1721a3f829aeSBill Moore mdb_warn("failed to walk zio_t children at %p\n", laddr); 1722a3f829aeSBill Moore return (WALK_ERR); 1723a3f829aeSBill Moore } 1724a3f829aeSBill Moore zpa->zpa_current_depth--; 1725a3f829aeSBill Moore 1726a3f829aeSBill Moore return (WALK_NEXT); 1727a3f829aeSBill Moore } 1728a3f829aeSBill Moore 1729a3f829aeSBill Moore /* ARGSUSED */ 1730a3f829aeSBill Moore static int 1731a3f829aeSBill Moore zio_child_cb(uintptr_t addr, const void *unknown, void *arg) 1732a3f829aeSBill Moore { 1733a3f829aeSBill Moore zio_link_t zl; 1734a3f829aeSBill Moore zio_t zio; 1735a3f829aeSBill Moore uintptr_t ziop; 1736a3f829aeSBill Moore zio_print_args_t *zpa = arg; 1737a3f829aeSBill Moore 1738a3f829aeSBill Moore if (mdb_vread(&zl, sizeof (zl), addr) == -1) { 1739a3f829aeSBill Moore mdb_warn("failed to read zio_link_t at %p", addr); 1740ccae0b50Seschrock return (WALK_ERR); 1741ccae0b50Seschrock } 1742ccae0b50Seschrock 1743a3f829aeSBill Moore if (zpa->zpa_type == ZIO_WALK_PARENT) 1744a3f829aeSBill Moore ziop = (uintptr_t)zl.zl_parent; 1745a3f829aeSBill Moore else 1746a3f829aeSBill Moore ziop = (uintptr_t)zl.zl_child; 1747a3f829aeSBill Moore 1748a3f829aeSBill Moore if (mdb_vread(&zio, sizeof (zio_t), ziop) == -1) { 1749a3f829aeSBill Moore mdb_warn("failed to read zio_t at %p", ziop); 1750a3f829aeSBill Moore return (WALK_ERR); 1751a3f829aeSBill Moore } 1752a3f829aeSBill Moore 1753a3f829aeSBill Moore return (zio_print_cb(ziop, &zio, arg)); 1754ccae0b50Seschrock } 1755ccae0b50Seschrock 1756ccae0b50Seschrock /* ARGSUSED */ 1757ccae0b50Seschrock static int 1758ccae0b50Seschrock zio_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1759ccae0b50Seschrock { 1760ccae0b50Seschrock zio_t zio; 1761a3f829aeSBill Moore zio_print_args_t zpa = { 0 }; 1762ccae0b50Seschrock 1763ccae0b50Seschrock if (!(flags & DCMD_ADDRSPEC)) 1764ccae0b50Seschrock return (DCMD_USAGE); 1765ccae0b50Seschrock 1766a3f829aeSBill Moore if (mdb_getopts(argc, argv, 1767a3f829aeSBill Moore 'r', MDB_OPT_SETBITS, INT_MAX, &zpa.zpa_max_depth, 1768a3f829aeSBill Moore 'c', MDB_OPT_SETBITS, ZIO_WALK_CHILD, &zpa.zpa_type, 1769a3f829aeSBill Moore 'p', MDB_OPT_SETBITS, ZIO_WALK_PARENT, &zpa.zpa_type, 1770a3f829aeSBill Moore NULL) != argc) 1771a3f829aeSBill Moore return (DCMD_USAGE); 1772a3f829aeSBill Moore 1773a3f829aeSBill Moore zpa.zpa_flags = flags; 1774a3f829aeSBill Moore if (zpa.zpa_max_depth != 0) { 1775a3f829aeSBill Moore if (zpa.zpa_type == ZIO_WALK_SELF) 1776a3f829aeSBill Moore zpa.zpa_type = ZIO_WALK_CHILD; 1777a3f829aeSBill Moore } else if (zpa.zpa_type != ZIO_WALK_SELF) { 1778a3f829aeSBill Moore zpa.zpa_min_depth = 1; 1779a3f829aeSBill Moore zpa.zpa_max_depth = 1; 1780a3f829aeSBill Moore } 1781a3f829aeSBill Moore 1782ccae0b50Seschrock if (mdb_vread(&zio, sizeof (zio_t), addr) == -1) { 1783ccae0b50Seschrock mdb_warn("failed to read zio_t at %p", addr); 1784ccae0b50Seschrock return (DCMD_ERR); 1785ccae0b50Seschrock } 1786ccae0b50Seschrock 1787a3f829aeSBill Moore if (!(flags & DCMD_PIPE_OUT) && DCMD_HDRSPEC(flags)) 1788a3f829aeSBill Moore mdb_printf("%<u>%-*s %-5s %-16s %-?s%</u>\n", ZIO_MAXWIDTH, 1789fac3008cSeschrock "ADDRESS", "TYPE", "STAGE", "WAITER"); 1790fac3008cSeschrock 1791a3f829aeSBill Moore if (zio_print_cb(addr, &zio, &zpa) != WALK_NEXT) 1792ccae0b50Seschrock return (DCMD_ERR); 1793ccae0b50Seschrock 1794ccae0b50Seschrock return (DCMD_OK); 1795ccae0b50Seschrock } 1796ccae0b50Seschrock 1797ccae0b50Seschrock /* 1798ccae0b50Seschrock * [addr]::zio_state 1799ccae0b50Seschrock * 1800ccae0b50Seschrock * Print a summary of all zio_t structures on the system, or for a particular 1801ccae0b50Seschrock * pool. This is equivalent to '::walk zio_root | ::zio'. 1802ccae0b50Seschrock */ 1803ccae0b50Seschrock /*ARGSUSED*/ 1804ccae0b50Seschrock static int 1805ccae0b50Seschrock zio_state(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1806ccae0b50Seschrock { 1807ccae0b50Seschrock /* 1808ccae0b50Seschrock * MDB will remember the last address of the pipeline, so if we don't 1809ccae0b50Seschrock * zero this we'll end up trying to walk zio structures for a 1810ccae0b50Seschrock * non-existent spa_t. 1811ccae0b50Seschrock */ 1812ccae0b50Seschrock if (!(flags & DCMD_ADDRSPEC)) 1813ccae0b50Seschrock addr = 0; 1814ccae0b50Seschrock 1815ccae0b50Seschrock return (mdb_pwalk_dcmd("zio_root", "zio", argc, argv, addr)); 1816ccae0b50Seschrock } 1817ccae0b50Seschrock 1818fa9e4066Sahrens typedef struct txg_list_walk_data { 1819fa9e4066Sahrens uintptr_t lw_head[TXG_SIZE]; 1820fa9e4066Sahrens int lw_txgoff; 1821fa9e4066Sahrens int lw_maxoff; 1822fa9e4066Sahrens size_t lw_offset; 1823fa9e4066Sahrens void *lw_obj; 1824fa9e4066Sahrens } txg_list_walk_data_t; 1825fa9e4066Sahrens 1826fa9e4066Sahrens static int 1827fa9e4066Sahrens txg_list_walk_init_common(mdb_walk_state_t *wsp, int txg, int maxoff) 1828fa9e4066Sahrens { 1829fa9e4066Sahrens txg_list_walk_data_t *lwd; 1830fa9e4066Sahrens txg_list_t list; 1831fa9e4066Sahrens int i; 1832fa9e4066Sahrens 1833fa9e4066Sahrens lwd = mdb_alloc(sizeof (txg_list_walk_data_t), UM_SLEEP | UM_GC); 1834fa9e4066Sahrens if (mdb_vread(&list, sizeof (txg_list_t), wsp->walk_addr) == -1) { 1835fa9e4066Sahrens mdb_warn("failed to read txg_list_t at %#lx", wsp->walk_addr); 1836fa9e4066Sahrens return (WALK_ERR); 1837fa9e4066Sahrens } 1838fa9e4066Sahrens 1839fa9e4066Sahrens for (i = 0; i < TXG_SIZE; i++) 1840fa9e4066Sahrens lwd->lw_head[i] = (uintptr_t)list.tl_head[i]; 1841fa9e4066Sahrens lwd->lw_offset = list.tl_offset; 1842fa9e4066Sahrens lwd->lw_obj = mdb_alloc(lwd->lw_offset + sizeof (txg_node_t), 1843fa9e4066Sahrens UM_SLEEP | UM_GC); 1844fa9e4066Sahrens lwd->lw_txgoff = txg; 1845fa9e4066Sahrens lwd->lw_maxoff = maxoff; 1846fa9e4066Sahrens 1847fa9e4066Sahrens wsp->walk_addr = lwd->lw_head[lwd->lw_txgoff]; 1848fa9e4066Sahrens wsp->walk_data = lwd; 1849fa9e4066Sahrens 1850fa9e4066Sahrens return (WALK_NEXT); 1851fa9e4066Sahrens } 1852fa9e4066Sahrens 1853fa9e4066Sahrens static int 1854fa9e4066Sahrens txg_list_walk_init(mdb_walk_state_t *wsp) 1855fa9e4066Sahrens { 1856fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 0, TXG_SIZE-1)); 1857fa9e4066Sahrens } 1858fa9e4066Sahrens 1859fa9e4066Sahrens static int 1860fa9e4066Sahrens txg_list0_walk_init(mdb_walk_state_t *wsp) 1861fa9e4066Sahrens { 1862fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 0, 0)); 1863fa9e4066Sahrens } 1864fa9e4066Sahrens 1865fa9e4066Sahrens static int 1866fa9e4066Sahrens txg_list1_walk_init(mdb_walk_state_t *wsp) 1867fa9e4066Sahrens { 1868fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 1, 1)); 1869fa9e4066Sahrens } 1870fa9e4066Sahrens 1871fa9e4066Sahrens static int 1872fa9e4066Sahrens txg_list2_walk_init(mdb_walk_state_t *wsp) 1873fa9e4066Sahrens { 1874fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 2, 2)); 1875fa9e4066Sahrens } 1876fa9e4066Sahrens 1877fa9e4066Sahrens static int 1878fa9e4066Sahrens txg_list3_walk_init(mdb_walk_state_t *wsp) 1879fa9e4066Sahrens { 1880fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 3, 3)); 1881fa9e4066Sahrens } 1882fa9e4066Sahrens 1883fa9e4066Sahrens static int 1884fa9e4066Sahrens txg_list_walk_step(mdb_walk_state_t *wsp) 1885fa9e4066Sahrens { 1886fa9e4066Sahrens txg_list_walk_data_t *lwd = wsp->walk_data; 1887fa9e4066Sahrens uintptr_t addr; 1888fa9e4066Sahrens txg_node_t *node; 1889fa9e4066Sahrens int status; 1890fa9e4066Sahrens 1891fa9e4066Sahrens while (wsp->walk_addr == NULL && lwd->lw_txgoff < lwd->lw_maxoff) { 1892fa9e4066Sahrens lwd->lw_txgoff++; 1893fa9e4066Sahrens wsp->walk_addr = lwd->lw_head[lwd->lw_txgoff]; 1894fa9e4066Sahrens } 1895fa9e4066Sahrens 1896fa9e4066Sahrens if (wsp->walk_addr == NULL) 1897fa9e4066Sahrens return (WALK_DONE); 1898fa9e4066Sahrens 1899fa9e4066Sahrens addr = wsp->walk_addr - lwd->lw_offset; 1900fa9e4066Sahrens 1901fa9e4066Sahrens if (mdb_vread(lwd->lw_obj, 1902fa9e4066Sahrens lwd->lw_offset + sizeof (txg_node_t), addr) == -1) { 1903fa9e4066Sahrens mdb_warn("failed to read list element at %#lx", addr); 1904fa9e4066Sahrens return (WALK_ERR); 1905fa9e4066Sahrens } 1906fa9e4066Sahrens 1907fa9e4066Sahrens status = wsp->walk_callback(addr, lwd->lw_obj, wsp->walk_cbdata); 1908fa9e4066Sahrens node = (txg_node_t *)((uintptr_t)lwd->lw_obj + lwd->lw_offset); 1909fa9e4066Sahrens wsp->walk_addr = (uintptr_t)node->tn_next[lwd->lw_txgoff]; 1910fa9e4066Sahrens 1911fa9e4066Sahrens return (status); 1912fa9e4066Sahrens } 1913fa9e4066Sahrens 1914fa9e4066Sahrens /* 1915fa9e4066Sahrens * ::walk spa 1916fa9e4066Sahrens * 1917fa9e4066Sahrens * Walk all named spa_t structures in the namespace. This is nothing more than 1918fa9e4066Sahrens * a layered avl walk. 1919fa9e4066Sahrens */ 1920fa9e4066Sahrens static int 1921fa9e4066Sahrens spa_walk_init(mdb_walk_state_t *wsp) 1922fa9e4066Sahrens { 1923fa9e4066Sahrens GElf_Sym sym; 1924fa9e4066Sahrens 1925fa9e4066Sahrens if (wsp->walk_addr != NULL) { 1926fa9e4066Sahrens mdb_warn("spa walk only supports global walks\n"); 1927fa9e4066Sahrens return (WALK_ERR); 1928fa9e4066Sahrens } 1929fa9e4066Sahrens 1930fa9e4066Sahrens if (mdb_lookup_by_obj(ZFS_OBJ_NAME, "spa_namespace_avl", &sym) == -1) { 1931fa9e4066Sahrens mdb_warn("failed to find symbol 'spa_namespace_avl'"); 1932fa9e4066Sahrens return (WALK_ERR); 1933fa9e4066Sahrens } 1934fa9e4066Sahrens 1935fa9e4066Sahrens wsp->walk_addr = (uintptr_t)sym.st_value; 1936fa9e4066Sahrens 1937fa9e4066Sahrens if (mdb_layered_walk("avl", wsp) == -1) { 1938fa9e4066Sahrens mdb_warn("failed to walk 'avl'\n"); 1939fa9e4066Sahrens return (WALK_ERR); 1940fa9e4066Sahrens } 1941fa9e4066Sahrens 1942fa9e4066Sahrens return (WALK_NEXT); 1943fa9e4066Sahrens } 1944fa9e4066Sahrens 1945fa9e4066Sahrens static int 1946fa9e4066Sahrens spa_walk_step(mdb_walk_state_t *wsp) 1947fa9e4066Sahrens { 1948fa9e4066Sahrens spa_t spa; 1949fa9e4066Sahrens 1950fa9e4066Sahrens if (mdb_vread(&spa, sizeof (spa), wsp->walk_addr) == -1) { 1951fa9e4066Sahrens mdb_warn("failed to read spa_t at %p", wsp->walk_addr); 1952fa9e4066Sahrens return (WALK_ERR); 1953fa9e4066Sahrens } 1954fa9e4066Sahrens 1955fa9e4066Sahrens return (wsp->walk_callback(wsp->walk_addr, &spa, wsp->walk_cbdata)); 1956fa9e4066Sahrens } 1957fa9e4066Sahrens 1958fa9e4066Sahrens /* 1959ccae0b50Seschrock * [addr]::walk zio 1960ccae0b50Seschrock * 1961ccae0b50Seschrock * Walk all active zio_t structures on the system. This is simply a layered 1962ccae0b50Seschrock * walk on top of ::walk zio_cache, with the optional ability to limit the 1963ccae0b50Seschrock * structures to a particular pool. 1964ccae0b50Seschrock */ 1965ccae0b50Seschrock static int 1966ccae0b50Seschrock zio_walk_init(mdb_walk_state_t *wsp) 1967ccae0b50Seschrock { 1968ccae0b50Seschrock wsp->walk_data = (void *)wsp->walk_addr; 1969ccae0b50Seschrock 1970ccae0b50Seschrock if (mdb_layered_walk("zio_cache", wsp) == -1) { 1971ccae0b50Seschrock mdb_warn("failed to walk 'zio_cache'\n"); 1972ccae0b50Seschrock return (WALK_ERR); 1973ccae0b50Seschrock } 1974ccae0b50Seschrock 1975ccae0b50Seschrock return (WALK_NEXT); 1976ccae0b50Seschrock } 1977ccae0b50Seschrock 1978ccae0b50Seschrock static int 1979ccae0b50Seschrock zio_walk_step(mdb_walk_state_t *wsp) 1980ccae0b50Seschrock { 1981ccae0b50Seschrock zio_t zio; 1982ccae0b50Seschrock 1983ccae0b50Seschrock if (mdb_vread(&zio, sizeof (zio), wsp->walk_addr) == -1) { 1984ccae0b50Seschrock mdb_warn("failed to read zio_t at %p", wsp->walk_addr); 1985ccae0b50Seschrock return (WALK_ERR); 1986ccae0b50Seschrock } 1987ccae0b50Seschrock 1988ccae0b50Seschrock if (wsp->walk_data != NULL && wsp->walk_data != zio.io_spa) 1989ccae0b50Seschrock return (WALK_NEXT); 1990ccae0b50Seschrock 1991ccae0b50Seschrock return (wsp->walk_callback(wsp->walk_addr, &zio, wsp->walk_cbdata)); 1992ccae0b50Seschrock } 1993ccae0b50Seschrock 1994ccae0b50Seschrock /* 1995ccae0b50Seschrock * [addr]::walk zio_root 1996ccae0b50Seschrock * 1997ccae0b50Seschrock * Walk only root zio_t structures, optionally for a particular spa_t. 1998ccae0b50Seschrock */ 1999ccae0b50Seschrock static int 2000ccae0b50Seschrock zio_walk_root_step(mdb_walk_state_t *wsp) 2001ccae0b50Seschrock { 2002ccae0b50Seschrock zio_t zio; 2003ccae0b50Seschrock 2004ccae0b50Seschrock if (mdb_vread(&zio, sizeof (zio), wsp->walk_addr) == -1) { 2005ccae0b50Seschrock mdb_warn("failed to read zio_t at %p", wsp->walk_addr); 2006ccae0b50Seschrock return (WALK_ERR); 2007ccae0b50Seschrock } 2008ccae0b50Seschrock 2009ccae0b50Seschrock if (wsp->walk_data != NULL && wsp->walk_data != zio.io_spa) 2010ccae0b50Seschrock return (WALK_NEXT); 2011ccae0b50Seschrock 2012a3f829aeSBill Moore /* If the parent list is not empty, ignore */ 2013a3f829aeSBill Moore if (zio.io_parent_list.list_head.list_next != 2014a3f829aeSBill Moore &((zio_t *)wsp->walk_addr)->io_parent_list.list_head) 2015ccae0b50Seschrock return (WALK_NEXT); 2016ccae0b50Seschrock 2017ccae0b50Seschrock return (wsp->walk_callback(wsp->walk_addr, &zio, wsp->walk_cbdata)); 2018ccae0b50Seschrock } 2019ccae0b50Seschrock 202088b7b0f2SMatthew Ahrens #define NICENUM_BUFLEN 6 202188b7b0f2SMatthew Ahrens 202288b7b0f2SMatthew Ahrens static int 2023ff64c0f7SMatthew Ahrens snprintfrac(char *buf, int len, 2024ff64c0f7SMatthew Ahrens uint64_t numerator, uint64_t denom, int frac_digits) 202588b7b0f2SMatthew Ahrens { 2026ff64c0f7SMatthew Ahrens int mul = 1; 202788b7b0f2SMatthew Ahrens int whole, frac, i; 202888b7b0f2SMatthew Ahrens 202988b7b0f2SMatthew Ahrens for (i = frac_digits; i; i--) 203088b7b0f2SMatthew Ahrens mul *= 10; 2031ff64c0f7SMatthew Ahrens whole = numerator / denom; 2032ff64c0f7SMatthew Ahrens frac = mul * numerator / denom - mul * whole; 203388b7b0f2SMatthew Ahrens return (mdb_snprintf(buf, len, "%u.%0*u", whole, frac_digits, frac)); 203488b7b0f2SMatthew Ahrens } 203588b7b0f2SMatthew Ahrens 203688b7b0f2SMatthew Ahrens static void 203788b7b0f2SMatthew Ahrens mdb_nicenum(uint64_t num, char *buf) 203888b7b0f2SMatthew Ahrens { 203988b7b0f2SMatthew Ahrens uint64_t n = num; 204088b7b0f2SMatthew Ahrens int index = 0; 204188b7b0f2SMatthew Ahrens char *u; 204288b7b0f2SMatthew Ahrens 204388b7b0f2SMatthew Ahrens while (n >= 1024) { 204488b7b0f2SMatthew Ahrens n = (n + (1024 / 2)) / 1024; /* Round up or down */ 204588b7b0f2SMatthew Ahrens index++; 204688b7b0f2SMatthew Ahrens } 204788b7b0f2SMatthew Ahrens 204888b7b0f2SMatthew Ahrens u = &" \0K\0M\0G\0T\0P\0E\0"[index*2]; 204988b7b0f2SMatthew Ahrens 205088b7b0f2SMatthew Ahrens if (index == 0) { 205188b7b0f2SMatthew Ahrens (void) mdb_snprintf(buf, NICENUM_BUFLEN, "%llu", 205288b7b0f2SMatthew Ahrens (u_longlong_t)n); 205388b7b0f2SMatthew Ahrens } else if (n < 10 && (num & (num - 1)) != 0) { 2054ff64c0f7SMatthew Ahrens (void) snprintfrac(buf, NICENUM_BUFLEN, 2055ff64c0f7SMatthew Ahrens num, 1ULL << 10 * index, 2); 205688b7b0f2SMatthew Ahrens strcat(buf, u); 205788b7b0f2SMatthew Ahrens } else if (n < 100 && (num & (num - 1)) != 0) { 2058ff64c0f7SMatthew Ahrens (void) snprintfrac(buf, NICENUM_BUFLEN, 2059ff64c0f7SMatthew Ahrens num, 1ULL << 10 * index, 1); 206088b7b0f2SMatthew Ahrens strcat(buf, u); 206188b7b0f2SMatthew Ahrens } else { 206288b7b0f2SMatthew Ahrens (void) mdb_snprintf(buf, NICENUM_BUFLEN, "%llu%s", 206388b7b0f2SMatthew Ahrens (u_longlong_t)n, u); 206488b7b0f2SMatthew Ahrens } 206588b7b0f2SMatthew Ahrens } 206688b7b0f2SMatthew Ahrens 206788b7b0f2SMatthew Ahrens /* 206888b7b0f2SMatthew Ahrens * ::zfs_blkstats 206988b7b0f2SMatthew Ahrens * 207088b7b0f2SMatthew Ahrens * -v print verbose per-level information 207188b7b0f2SMatthew Ahrens * 207288b7b0f2SMatthew Ahrens */ 207388b7b0f2SMatthew Ahrens static int 207488b7b0f2SMatthew Ahrens zfs_blkstats(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 207588b7b0f2SMatthew Ahrens { 207688b7b0f2SMatthew Ahrens boolean_t verbose = B_FALSE; 207788b7b0f2SMatthew Ahrens zfs_all_blkstats_t stats; 207888b7b0f2SMatthew Ahrens dmu_object_type_t t; 207988b7b0f2SMatthew Ahrens zfs_blkstat_t *tzb; 208088b7b0f2SMatthew Ahrens uint64_t ditto; 208188b7b0f2SMatthew Ahrens dmu_object_type_info_t dmu_ot[DMU_OT_NUMTYPES + 10]; 208288b7b0f2SMatthew Ahrens /* +10 in case it grew */ 208388b7b0f2SMatthew Ahrens 208488b7b0f2SMatthew Ahrens if (mdb_readvar(&dmu_ot, "dmu_ot") == -1) { 208588b7b0f2SMatthew Ahrens mdb_warn("failed to read 'dmu_ot'"); 208688b7b0f2SMatthew Ahrens return (DCMD_ERR); 208788b7b0f2SMatthew Ahrens } 208888b7b0f2SMatthew Ahrens 208988b7b0f2SMatthew Ahrens if (mdb_getopts(argc, argv, 209088b7b0f2SMatthew Ahrens 'v', MDB_OPT_SETBITS, TRUE, &verbose, 209188b7b0f2SMatthew Ahrens NULL) != argc) 209288b7b0f2SMatthew Ahrens return (DCMD_USAGE); 209388b7b0f2SMatthew Ahrens 209488b7b0f2SMatthew Ahrens if (!(flags & DCMD_ADDRSPEC)) 209588b7b0f2SMatthew Ahrens return (DCMD_USAGE); 209688b7b0f2SMatthew Ahrens 209788b7b0f2SMatthew Ahrens if (GETMEMB(addr, struct spa, spa_dsl_pool, addr) || 209888b7b0f2SMatthew Ahrens GETMEMB(addr, struct dsl_pool, dp_blkstats, addr) || 209988b7b0f2SMatthew Ahrens mdb_vread(&stats, sizeof (zfs_all_blkstats_t), addr) == -1) { 210088b7b0f2SMatthew Ahrens mdb_warn("failed to read data at %p;", addr); 210188b7b0f2SMatthew Ahrens mdb_printf("maybe no stats? run \"zpool scrub\" first."); 210288b7b0f2SMatthew Ahrens return (DCMD_ERR); 210388b7b0f2SMatthew Ahrens } 210488b7b0f2SMatthew Ahrens 210588b7b0f2SMatthew Ahrens tzb = &stats.zab_type[DN_MAX_LEVELS][DMU_OT_NUMTYPES]; 210688b7b0f2SMatthew Ahrens if (tzb->zb_gangs != 0) { 210788b7b0f2SMatthew Ahrens mdb_printf("Ganged blocks: %llu\n", 210888b7b0f2SMatthew Ahrens (longlong_t)tzb->zb_gangs); 210988b7b0f2SMatthew Ahrens } 211088b7b0f2SMatthew Ahrens 211188b7b0f2SMatthew Ahrens ditto = tzb->zb_ditto_2_of_2_samevdev + tzb->zb_ditto_2_of_3_samevdev + 211288b7b0f2SMatthew Ahrens tzb->zb_ditto_3_of_3_samevdev; 211388b7b0f2SMatthew Ahrens if (ditto != 0) { 211488b7b0f2SMatthew Ahrens mdb_printf("Dittoed blocks on same vdev: %llu\n", 211588b7b0f2SMatthew Ahrens (longlong_t)ditto); 211688b7b0f2SMatthew Ahrens } 211788b7b0f2SMatthew Ahrens 211888b7b0f2SMatthew Ahrens mdb_printf("\nBlocks\tLSIZE\tPSIZE\tASIZE" 211988b7b0f2SMatthew Ahrens "\t avg\t comp\t%%Total\tType\n"); 212088b7b0f2SMatthew Ahrens 212188b7b0f2SMatthew Ahrens for (t = 0; t <= DMU_OT_NUMTYPES; t++) { 212288b7b0f2SMatthew Ahrens char csize[NICENUM_BUFLEN], lsize[NICENUM_BUFLEN]; 212388b7b0f2SMatthew Ahrens char psize[NICENUM_BUFLEN], asize[NICENUM_BUFLEN]; 212488b7b0f2SMatthew Ahrens char avg[NICENUM_BUFLEN]; 212588b7b0f2SMatthew Ahrens char comp[NICENUM_BUFLEN], pct[NICENUM_BUFLEN]; 212688b7b0f2SMatthew Ahrens char typename[64]; 212788b7b0f2SMatthew Ahrens int l; 212888b7b0f2SMatthew Ahrens 212988b7b0f2SMatthew Ahrens 213088b7b0f2SMatthew Ahrens if (t == DMU_OT_DEFERRED) 213188b7b0f2SMatthew Ahrens strcpy(typename, "deferred free"); 213288b7b0f2SMatthew Ahrens else if (t == DMU_OT_TOTAL) 213388b7b0f2SMatthew Ahrens strcpy(typename, "Total"); 213488b7b0f2SMatthew Ahrens else if (mdb_readstr(typename, sizeof (typename), 213588b7b0f2SMatthew Ahrens (uintptr_t)dmu_ot[t].ot_name) == -1) { 213688b7b0f2SMatthew Ahrens mdb_warn("failed to read type name"); 213788b7b0f2SMatthew Ahrens return (DCMD_ERR); 213888b7b0f2SMatthew Ahrens } 213988b7b0f2SMatthew Ahrens 214088b7b0f2SMatthew Ahrens if (stats.zab_type[DN_MAX_LEVELS][t].zb_asize == 0) 214188b7b0f2SMatthew Ahrens continue; 214288b7b0f2SMatthew Ahrens 214388b7b0f2SMatthew Ahrens for (l = -1; l < DN_MAX_LEVELS; l++) { 214488b7b0f2SMatthew Ahrens int level = (l == -1 ? DN_MAX_LEVELS : l); 214588b7b0f2SMatthew Ahrens zfs_blkstat_t *zb = &stats.zab_type[level][t]; 214688b7b0f2SMatthew Ahrens 214788b7b0f2SMatthew Ahrens if (zb->zb_asize == 0) 214888b7b0f2SMatthew Ahrens continue; 214988b7b0f2SMatthew Ahrens 215088b7b0f2SMatthew Ahrens /* 215188b7b0f2SMatthew Ahrens * Don't print each level unless requested. 215288b7b0f2SMatthew Ahrens */ 215388b7b0f2SMatthew Ahrens if (!verbose && level != DN_MAX_LEVELS) 215488b7b0f2SMatthew Ahrens continue; 215588b7b0f2SMatthew Ahrens 215688b7b0f2SMatthew Ahrens /* 215788b7b0f2SMatthew Ahrens * If all the space is level 0, don't print the 215888b7b0f2SMatthew Ahrens * level 0 separately. 215988b7b0f2SMatthew Ahrens */ 216088b7b0f2SMatthew Ahrens if (level == 0 && zb->zb_asize == 216188b7b0f2SMatthew Ahrens stats.zab_type[DN_MAX_LEVELS][t].zb_asize) 216288b7b0f2SMatthew Ahrens continue; 216388b7b0f2SMatthew Ahrens 216488b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_count, csize); 216588b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_lsize, lsize); 216688b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_psize, psize); 216788b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_asize, asize); 216888b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_asize / zb->zb_count, avg); 2169ff64c0f7SMatthew Ahrens (void) snprintfrac(comp, NICENUM_BUFLEN, 2170ff64c0f7SMatthew Ahrens zb->zb_lsize, zb->zb_psize, 2); 2171ff64c0f7SMatthew Ahrens (void) snprintfrac(pct, NICENUM_BUFLEN, 2172ff64c0f7SMatthew Ahrens 100 * zb->zb_asize, tzb->zb_asize, 2); 217388b7b0f2SMatthew Ahrens 217488b7b0f2SMatthew Ahrens mdb_printf("%6s\t%5s\t%5s\t%5s\t%5s" 217588b7b0f2SMatthew Ahrens "\t%5s\t%6s\t", 217688b7b0f2SMatthew Ahrens csize, lsize, psize, asize, avg, comp, pct); 217788b7b0f2SMatthew Ahrens 217888b7b0f2SMatthew Ahrens if (level == DN_MAX_LEVELS) 217988b7b0f2SMatthew Ahrens mdb_printf("%s\n", typename); 218088b7b0f2SMatthew Ahrens else 218188b7b0f2SMatthew Ahrens mdb_printf(" L%d %s\n", 218288b7b0f2SMatthew Ahrens level, typename); 218388b7b0f2SMatthew Ahrens } 218488b7b0f2SMatthew Ahrens } 218588b7b0f2SMatthew Ahrens 218688b7b0f2SMatthew Ahrens return (DCMD_OK); 218788b7b0f2SMatthew Ahrens } 218888b7b0f2SMatthew Ahrens 21899966ca11SMatthew Ahrens /* ARGSUSED */ 21909966ca11SMatthew Ahrens static int 21919966ca11SMatthew Ahrens reference_cb(uintptr_t addr, const void *ignored, void *arg) 21929966ca11SMatthew Ahrens { 21939966ca11SMatthew Ahrens static int gotid; 21949966ca11SMatthew Ahrens static mdb_ctf_id_t ref_id; 21959966ca11SMatthew Ahrens uintptr_t ref_holder; 21969966ca11SMatthew Ahrens uintptr_t ref_removed; 21979966ca11SMatthew Ahrens uint64_t ref_number; 21989966ca11SMatthew Ahrens boolean_t holder_is_str; 21999966ca11SMatthew Ahrens char holder_str[128]; 22009966ca11SMatthew Ahrens boolean_t removed = (boolean_t)arg; 22019966ca11SMatthew Ahrens 22029966ca11SMatthew Ahrens if (!gotid) { 22039966ca11SMatthew Ahrens if (mdb_ctf_lookup_by_name("struct reference", &ref_id) == -1) { 22049966ca11SMatthew Ahrens mdb_warn("couldn't find struct reference"); 22059966ca11SMatthew Ahrens return (WALK_ERR); 22069966ca11SMatthew Ahrens } 22079966ca11SMatthew Ahrens gotid = TRUE; 22089966ca11SMatthew Ahrens } 22099966ca11SMatthew Ahrens 22109966ca11SMatthew Ahrens if (GETMEMBID(addr, &ref_id, ref_holder, ref_holder) || 22119966ca11SMatthew Ahrens GETMEMBID(addr, &ref_id, ref_removed, ref_removed) || 22129966ca11SMatthew Ahrens GETMEMBID(addr, &ref_id, ref_number, ref_number)) 22139966ca11SMatthew Ahrens return (WALK_ERR); 22149966ca11SMatthew Ahrens 22159966ca11SMatthew Ahrens if (mdb_readstr(holder_str, sizeof (holder_str), ref_holder) != -1) { 22169966ca11SMatthew Ahrens char *cp; 22179966ca11SMatthew Ahrens holder_is_str = B_TRUE; 22189966ca11SMatthew Ahrens for (cp = holder_str; *cp; cp++) { 22199966ca11SMatthew Ahrens if (!isprint(*cp)) { 22209966ca11SMatthew Ahrens holder_is_str = B_FALSE; 22219966ca11SMatthew Ahrens break; 22229966ca11SMatthew Ahrens } 22239966ca11SMatthew Ahrens } 22249966ca11SMatthew Ahrens } else { 22259966ca11SMatthew Ahrens holder_is_str = B_FALSE; 22269966ca11SMatthew Ahrens } 22279966ca11SMatthew Ahrens 22289966ca11SMatthew Ahrens if (removed) 22299966ca11SMatthew Ahrens mdb_printf("removed "); 22309966ca11SMatthew Ahrens mdb_printf("reference "); 22319966ca11SMatthew Ahrens if (ref_number != 1) 22329966ca11SMatthew Ahrens mdb_printf("with count=%llu ", ref_number); 22339966ca11SMatthew Ahrens mdb_printf("with tag %p", (void*)ref_holder); 22349966ca11SMatthew Ahrens if (holder_is_str) 22359966ca11SMatthew Ahrens mdb_printf(" \"%s\"", holder_str); 22369966ca11SMatthew Ahrens mdb_printf(", held at:\n"); 22379966ca11SMatthew Ahrens 22389966ca11SMatthew Ahrens (void) mdb_call_dcmd("whatis", addr, DCMD_ADDRSPEC, 0, NULL); 22399966ca11SMatthew Ahrens 22409966ca11SMatthew Ahrens if (removed) { 22419966ca11SMatthew Ahrens mdb_printf("removed at:\n"); 22429966ca11SMatthew Ahrens (void) mdb_call_dcmd("whatis", ref_removed, 22439966ca11SMatthew Ahrens DCMD_ADDRSPEC, 0, NULL); 22449966ca11SMatthew Ahrens } 22459966ca11SMatthew Ahrens 22469966ca11SMatthew Ahrens mdb_printf("\n"); 22479966ca11SMatthew Ahrens 22489966ca11SMatthew Ahrens return (WALK_NEXT); 22499966ca11SMatthew Ahrens } 22509966ca11SMatthew Ahrens 22519966ca11SMatthew Ahrens /* ARGSUSED */ 22529966ca11SMatthew Ahrens static int 22539966ca11SMatthew Ahrens refcount(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 22549966ca11SMatthew Ahrens { 22559966ca11SMatthew Ahrens uint64_t rc_count, rc_removed_count; 22569966ca11SMatthew Ahrens uintptr_t rc_list, rc_removed; 22579966ca11SMatthew Ahrens static int gotid; 22589966ca11SMatthew Ahrens static mdb_ctf_id_t rc_id; 22599966ca11SMatthew Ahrens ulong_t off; 22609966ca11SMatthew Ahrens 22619966ca11SMatthew Ahrens if (!(flags & DCMD_ADDRSPEC)) 22629966ca11SMatthew Ahrens return (DCMD_USAGE); 22639966ca11SMatthew Ahrens 22649966ca11SMatthew Ahrens if (!gotid) { 22659966ca11SMatthew Ahrens if (mdb_ctf_lookup_by_name("struct refcount", &rc_id) == -1) { 22669966ca11SMatthew Ahrens mdb_warn("couldn't find struct refcount"); 22679966ca11SMatthew Ahrens return (DCMD_ERR); 22689966ca11SMatthew Ahrens } 22699966ca11SMatthew Ahrens gotid = TRUE; 22709966ca11SMatthew Ahrens } 22719966ca11SMatthew Ahrens 22729966ca11SMatthew Ahrens if (GETMEMBID(addr, &rc_id, rc_count, rc_count) || 22739966ca11SMatthew Ahrens GETMEMBID(addr, &rc_id, rc_removed_count, rc_removed_count)) 22749966ca11SMatthew Ahrens return (DCMD_ERR); 22759966ca11SMatthew Ahrens 22769966ca11SMatthew Ahrens mdb_printf("refcount_t at %p has %llu current holds, " 22779966ca11SMatthew Ahrens "%llu recently released holds\n", 22789966ca11SMatthew Ahrens addr, (longlong_t)rc_count, (longlong_t)rc_removed_count); 22799966ca11SMatthew Ahrens 22809966ca11SMatthew Ahrens if (rc_count > 0) 22819966ca11SMatthew Ahrens mdb_printf("current holds:\n"); 22829966ca11SMatthew Ahrens if (mdb_ctf_offsetof(rc_id, "rc_list", &off) == -1) 22839966ca11SMatthew Ahrens return (DCMD_ERR); 22849966ca11SMatthew Ahrens rc_list = addr + off/NBBY; 22859966ca11SMatthew Ahrens mdb_pwalk("list", reference_cb, (void*)B_FALSE, rc_list); 22869966ca11SMatthew Ahrens 22879966ca11SMatthew Ahrens if (rc_removed_count > 0) 22889966ca11SMatthew Ahrens mdb_printf("released holds:\n"); 22899966ca11SMatthew Ahrens if (mdb_ctf_offsetof(rc_id, "rc_removed", &off) == -1) 22909966ca11SMatthew Ahrens return (DCMD_ERR); 22919966ca11SMatthew Ahrens rc_removed = addr + off/NBBY; 22929966ca11SMatthew Ahrens mdb_pwalk("list", reference_cb, (void*)B_TRUE, rc_removed); 22939966ca11SMatthew Ahrens 22949966ca11SMatthew Ahrens return (DCMD_OK); 22959966ca11SMatthew Ahrens } 22969966ca11SMatthew Ahrens 22970a586ceaSMark Shellenbaum /* ARGSUSED */ 22980a586ceaSMark Shellenbaum static int 22990a586ceaSMark Shellenbaum sa_attr_table(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 23000a586ceaSMark Shellenbaum { 23010a586ceaSMark Shellenbaum sa_attr_table_t *table; 23020a586ceaSMark Shellenbaum sa_os_t sa_os; 23030a586ceaSMark Shellenbaum char *name; 23040a586ceaSMark Shellenbaum int i; 23050a586ceaSMark Shellenbaum 23060a586ceaSMark Shellenbaum if (mdb_vread(&sa_os, sizeof (sa_os_t), addr) == -1) { 23070a586ceaSMark Shellenbaum mdb_warn("failed to read sa_os at %p", addr); 23080a586ceaSMark Shellenbaum return (DCMD_ERR); 23090a586ceaSMark Shellenbaum } 23100a586ceaSMark Shellenbaum 23110a586ceaSMark Shellenbaum table = mdb_alloc(sizeof (sa_attr_table_t) * sa_os.sa_num_attrs, 23120a586ceaSMark Shellenbaum UM_SLEEP | UM_GC); 23130a586ceaSMark Shellenbaum name = mdb_alloc(MAXPATHLEN, UM_SLEEP | UM_GC); 23140a586ceaSMark Shellenbaum 23150a586ceaSMark Shellenbaum if (mdb_vread(table, sizeof (sa_attr_table_t) * sa_os.sa_num_attrs, 23160a586ceaSMark Shellenbaum (uintptr_t)sa_os.sa_attr_table) == -1) { 23170a586ceaSMark Shellenbaum mdb_warn("failed to read sa_os at %p", addr); 23180a586ceaSMark Shellenbaum return (DCMD_ERR); 23190a586ceaSMark Shellenbaum } 23200a586ceaSMark Shellenbaum 23210a586ceaSMark Shellenbaum mdb_printf("%<u>%-10s %-10s %-10s %-10s %s%</u>\n", 23220a586ceaSMark Shellenbaum "ATTR ID", "REGISTERED", "LENGTH", "BSWAP", "NAME"); 23230a586ceaSMark Shellenbaum for (i = 0; i != sa_os.sa_num_attrs; i++) { 23240a586ceaSMark Shellenbaum mdb_readstr(name, MAXPATHLEN, (uintptr_t)table[i].sa_name); 23250a586ceaSMark Shellenbaum mdb_printf("%5x %8x %8x %8x %-s\n", 23260a586ceaSMark Shellenbaum (int)table[i].sa_attr, (int)table[i].sa_registered, 23270a586ceaSMark Shellenbaum (int)table[i].sa_length, table[i].sa_byteswap, name); 23280a586ceaSMark Shellenbaum } 23290a586ceaSMark Shellenbaum 23300a586ceaSMark Shellenbaum return (DCMD_OK); 23310a586ceaSMark Shellenbaum } 23320a586ceaSMark Shellenbaum 23330a586ceaSMark Shellenbaum static int 23340a586ceaSMark Shellenbaum sa_get_off_table(uintptr_t addr, uint32_t **off_tab, int attr_count) 23350a586ceaSMark Shellenbaum { 23360a586ceaSMark Shellenbaum uintptr_t idx_table; 23370a586ceaSMark Shellenbaum 23380a586ceaSMark Shellenbaum if (GETMEMB(addr, struct sa_idx_tab, sa_idx_tab, idx_table)) { 23390a586ceaSMark Shellenbaum mdb_printf("can't find offset table in sa_idx_tab\n"); 23400a586ceaSMark Shellenbaum return (-1); 23410a586ceaSMark Shellenbaum } 23420a586ceaSMark Shellenbaum 23430a586ceaSMark Shellenbaum *off_tab = mdb_alloc(attr_count * sizeof (uint32_t), 23440a586ceaSMark Shellenbaum UM_SLEEP | UM_GC); 23450a586ceaSMark Shellenbaum 23460a586ceaSMark Shellenbaum if (mdb_vread(*off_tab, 23470a586ceaSMark Shellenbaum attr_count * sizeof (uint32_t), idx_table) == -1) { 23480a586ceaSMark Shellenbaum mdb_warn("failed to attribute offset table %p", idx_table); 23490a586ceaSMark Shellenbaum return (-1); 23500a586ceaSMark Shellenbaum } 23510a586ceaSMark Shellenbaum 23520a586ceaSMark Shellenbaum return (DCMD_OK); 23530a586ceaSMark Shellenbaum } 23540a586ceaSMark Shellenbaum 23550a586ceaSMark Shellenbaum /*ARGSUSED*/ 23560a586ceaSMark Shellenbaum static int 23570a586ceaSMark Shellenbaum sa_attr_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 23580a586ceaSMark Shellenbaum { 23590a586ceaSMark Shellenbaum uint32_t *offset_tab; 23600a586ceaSMark Shellenbaum int attr_count; 23610a586ceaSMark Shellenbaum uint64_t attr_id; 23620a586ceaSMark Shellenbaum uintptr_t attr_addr; 23630a586ceaSMark Shellenbaum uintptr_t bonus_tab, spill_tab; 23640a586ceaSMark Shellenbaum uintptr_t db_bonus, db_spill; 23650a586ceaSMark Shellenbaum uintptr_t os, os_sa; 23660a586ceaSMark Shellenbaum uintptr_t db_data; 23670a586ceaSMark Shellenbaum 23680a586ceaSMark Shellenbaum if (argc != 1) 23690a586ceaSMark Shellenbaum return (DCMD_USAGE); 23700a586ceaSMark Shellenbaum 23710a586ceaSMark Shellenbaum if (argv[0].a_type == MDB_TYPE_STRING) 23720a586ceaSMark Shellenbaum attr_id = mdb_strtoull(argv[0].a_un.a_str); 23730a586ceaSMark Shellenbaum else 23740a586ceaSMark Shellenbaum return (DCMD_USAGE); 23750a586ceaSMark Shellenbaum 23760a586ceaSMark Shellenbaum if (GETMEMB(addr, struct sa_handle, sa_bonus_tab, bonus_tab) || 23770a586ceaSMark Shellenbaum GETMEMB(addr, struct sa_handle, sa_spill_tab, spill_tab) || 23780a586ceaSMark Shellenbaum GETMEMB(addr, struct sa_handle, sa_os, os) || 23790a586ceaSMark Shellenbaum GETMEMB(addr, struct sa_handle, sa_bonus, db_bonus) || 23800a586ceaSMark Shellenbaum GETMEMB(addr, struct sa_handle, sa_spill, db_spill)) { 23810a586ceaSMark Shellenbaum mdb_printf("Can't find necessary information in sa_handle " 23820a586ceaSMark Shellenbaum "in sa_handle\n"); 23830a586ceaSMark Shellenbaum return (DCMD_ERR); 23840a586ceaSMark Shellenbaum } 23850a586ceaSMark Shellenbaum 23860a586ceaSMark Shellenbaum if (GETMEMB(os, struct objset, os_sa, os_sa)) { 23870a586ceaSMark Shellenbaum mdb_printf("Can't find os_sa in objset\n"); 23880a586ceaSMark Shellenbaum return (DCMD_ERR); 23890a586ceaSMark Shellenbaum } 23900a586ceaSMark Shellenbaum 23910a586ceaSMark Shellenbaum if (GETMEMB(os_sa, struct sa_os, sa_num_attrs, attr_count)) { 23920a586ceaSMark Shellenbaum mdb_printf("Can't find sa_num_attrs\n"); 23930a586ceaSMark Shellenbaum return (DCMD_ERR); 23940a586ceaSMark Shellenbaum } 23950a586ceaSMark Shellenbaum 23960a586ceaSMark Shellenbaum if (attr_id > attr_count) { 23970a586ceaSMark Shellenbaum mdb_printf("attribute id number is out of range\n"); 23980a586ceaSMark Shellenbaum return (DCMD_ERR); 23990a586ceaSMark Shellenbaum } 24000a586ceaSMark Shellenbaum 24010a586ceaSMark Shellenbaum if (bonus_tab) { 24020a586ceaSMark Shellenbaum if (sa_get_off_table(bonus_tab, &offset_tab, 24030a586ceaSMark Shellenbaum attr_count) == -1) { 24040a586ceaSMark Shellenbaum return (DCMD_ERR); 24050a586ceaSMark Shellenbaum } 24060a586ceaSMark Shellenbaum 24070a586ceaSMark Shellenbaum if (GETMEMB(db_bonus, struct dmu_buf, db_data, db_data)) { 24080a586ceaSMark Shellenbaum mdb_printf("can't find db_data in bonus dbuf\n"); 24090a586ceaSMark Shellenbaum return (DCMD_ERR); 24100a586ceaSMark Shellenbaum } 24110a586ceaSMark Shellenbaum } 24120a586ceaSMark Shellenbaum 24130a586ceaSMark Shellenbaum if (bonus_tab && !TOC_ATTR_PRESENT(offset_tab[attr_id]) && 24140a586ceaSMark Shellenbaum spill_tab == NULL) { 24150a586ceaSMark Shellenbaum mdb_printf("Attribute does not exist\n"); 24160a586ceaSMark Shellenbaum return (DCMD_ERR); 24170a586ceaSMark Shellenbaum } else if (!TOC_ATTR_PRESENT(offset_tab[attr_id]) && spill_tab) { 24180a586ceaSMark Shellenbaum if (sa_get_off_table(spill_tab, &offset_tab, 24190a586ceaSMark Shellenbaum attr_count) == -1) { 24200a586ceaSMark Shellenbaum return (DCMD_ERR); 24210a586ceaSMark Shellenbaum } 24220a586ceaSMark Shellenbaum if (GETMEMB(db_spill, struct dmu_buf, db_data, db_data)) { 24230a586ceaSMark Shellenbaum mdb_printf("can't find db_data in spill dbuf\n"); 24240a586ceaSMark Shellenbaum return (DCMD_ERR); 24250a586ceaSMark Shellenbaum } 24260a586ceaSMark Shellenbaum if (!TOC_ATTR_PRESENT(offset_tab[attr_id])) { 24270a586ceaSMark Shellenbaum mdb_printf("Attribute does not exist\n"); 24280a586ceaSMark Shellenbaum return (DCMD_ERR); 24290a586ceaSMark Shellenbaum } 24300a586ceaSMark Shellenbaum } 24310a586ceaSMark Shellenbaum attr_addr = db_data + TOC_OFF(offset_tab[attr_id]); 24320a586ceaSMark Shellenbaum mdb_printf("%p\n", attr_addr); 24330a586ceaSMark Shellenbaum return (DCMD_OK); 24340a586ceaSMark Shellenbaum } 24350a586ceaSMark Shellenbaum 24360a586ceaSMark Shellenbaum /* ARGSUSED */ 24370a586ceaSMark Shellenbaum static int 24380a586ceaSMark Shellenbaum zfs_ace_print_common(uintptr_t addr, uint_t flags, 24390a586ceaSMark Shellenbaum uint64_t id, uint32_t access_mask, uint16_t ace_flags, 24400a586ceaSMark Shellenbaum uint16_t ace_type, int verbose) 24410a586ceaSMark Shellenbaum { 24420a586ceaSMark Shellenbaum if (DCMD_HDRSPEC(flags) && !verbose) 24430a586ceaSMark Shellenbaum mdb_printf("%<u>%-?s %-8s %-8s %-8s %s%</u>\n", 24440a586ceaSMark Shellenbaum "ADDR", "FLAGS", "MASK", "TYPE", "ID"); 24450a586ceaSMark Shellenbaum 24460a586ceaSMark Shellenbaum if (!verbose) { 24470a586ceaSMark Shellenbaum mdb_printf("%0?p %-8x %-8x %-8x %-llx\n", addr, 24480a586ceaSMark Shellenbaum ace_flags, access_mask, ace_type, id); 24490a586ceaSMark Shellenbaum return (DCMD_OK); 24500a586ceaSMark Shellenbaum } 24510a586ceaSMark Shellenbaum 24520a586ceaSMark Shellenbaum switch (ace_flags & ACE_TYPE_FLAGS) { 24530a586ceaSMark Shellenbaum case ACE_OWNER: 24540a586ceaSMark Shellenbaum mdb_printf("owner@:"); 24550a586ceaSMark Shellenbaum break; 24560a586ceaSMark Shellenbaum case (ACE_IDENTIFIER_GROUP | ACE_GROUP): 24570a586ceaSMark Shellenbaum mdb_printf("group@:"); 24580a586ceaSMark Shellenbaum break; 24590a586ceaSMark Shellenbaum case ACE_EVERYONE: 24600a586ceaSMark Shellenbaum mdb_printf("everyone@:"); 24610a586ceaSMark Shellenbaum break; 24620a586ceaSMark Shellenbaum case ACE_IDENTIFIER_GROUP: 24630a586ceaSMark Shellenbaum mdb_printf("group:%llx:", (u_longlong_t)id); 24640a586ceaSMark Shellenbaum break; 24650a586ceaSMark Shellenbaum case 0: /* User entry */ 24660a586ceaSMark Shellenbaum mdb_printf("user:%llx:", (u_longlong_t)id); 24670a586ceaSMark Shellenbaum break; 24680a586ceaSMark Shellenbaum } 24690a586ceaSMark Shellenbaum 24700a586ceaSMark Shellenbaum /* print out permission mask */ 24710a586ceaSMark Shellenbaum if (access_mask & ACE_READ_DATA) 24720a586ceaSMark Shellenbaum mdb_printf("r"); 24730a586ceaSMark Shellenbaum else 24740a586ceaSMark Shellenbaum mdb_printf("-"); 24750a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_DATA) 24760a586ceaSMark Shellenbaum mdb_printf("w"); 24770a586ceaSMark Shellenbaum else 24780a586ceaSMark Shellenbaum mdb_printf("-"); 24790a586ceaSMark Shellenbaum if (access_mask & ACE_EXECUTE) 24800a586ceaSMark Shellenbaum mdb_printf("x"); 24810a586ceaSMark Shellenbaum else 24820a586ceaSMark Shellenbaum mdb_printf("-"); 24830a586ceaSMark Shellenbaum if (access_mask & ACE_APPEND_DATA) 24840a586ceaSMark Shellenbaum mdb_printf("p"); 24850a586ceaSMark Shellenbaum else 24860a586ceaSMark Shellenbaum mdb_printf("-"); 24870a586ceaSMark Shellenbaum if (access_mask & ACE_DELETE) 24880a586ceaSMark Shellenbaum mdb_printf("d"); 24890a586ceaSMark Shellenbaum else 24900a586ceaSMark Shellenbaum mdb_printf("-"); 24910a586ceaSMark Shellenbaum if (access_mask & ACE_DELETE_CHILD) 24920a586ceaSMark Shellenbaum mdb_printf("D"); 24930a586ceaSMark Shellenbaum else 24940a586ceaSMark Shellenbaum mdb_printf("-"); 24950a586ceaSMark Shellenbaum if (access_mask & ACE_READ_ATTRIBUTES) 24960a586ceaSMark Shellenbaum mdb_printf("a"); 24970a586ceaSMark Shellenbaum else 24980a586ceaSMark Shellenbaum mdb_printf("-"); 24990a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_ATTRIBUTES) 25000a586ceaSMark Shellenbaum mdb_printf("A"); 25010a586ceaSMark Shellenbaum else 25020a586ceaSMark Shellenbaum mdb_printf("-"); 25030a586ceaSMark Shellenbaum if (access_mask & ACE_READ_NAMED_ATTRS) 25040a586ceaSMark Shellenbaum mdb_printf("R"); 25050a586ceaSMark Shellenbaum else 25060a586ceaSMark Shellenbaum mdb_printf("-"); 25070a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_NAMED_ATTRS) 25080a586ceaSMark Shellenbaum mdb_printf("W"); 25090a586ceaSMark Shellenbaum else 25100a586ceaSMark Shellenbaum mdb_printf("-"); 25110a586ceaSMark Shellenbaum if (access_mask & ACE_READ_ACL) 25120a586ceaSMark Shellenbaum mdb_printf("c"); 25130a586ceaSMark Shellenbaum else 25140a586ceaSMark Shellenbaum mdb_printf("-"); 25150a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_ACL) 25160a586ceaSMark Shellenbaum mdb_printf("C"); 25170a586ceaSMark Shellenbaum else 25180a586ceaSMark Shellenbaum mdb_printf("-"); 25190a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_OWNER) 25200a586ceaSMark Shellenbaum mdb_printf("o"); 25210a586ceaSMark Shellenbaum else 25220a586ceaSMark Shellenbaum mdb_printf("-"); 25230a586ceaSMark Shellenbaum if (access_mask & ACE_SYNCHRONIZE) 25240a586ceaSMark Shellenbaum mdb_printf("s"); 25250a586ceaSMark Shellenbaum else 25260a586ceaSMark Shellenbaum mdb_printf("-"); 25270a586ceaSMark Shellenbaum 25280a586ceaSMark Shellenbaum mdb_printf(":"); 25290a586ceaSMark Shellenbaum 25300a586ceaSMark Shellenbaum /* Print out inheritance flags */ 25310a586ceaSMark Shellenbaum if (ace_flags & ACE_FILE_INHERIT_ACE) 25320a586ceaSMark Shellenbaum mdb_printf("f"); 25330a586ceaSMark Shellenbaum else 25340a586ceaSMark Shellenbaum mdb_printf("-"); 25350a586ceaSMark Shellenbaum if (ace_flags & ACE_DIRECTORY_INHERIT_ACE) 25360a586ceaSMark Shellenbaum mdb_printf("d"); 25370a586ceaSMark Shellenbaum else 25380a586ceaSMark Shellenbaum mdb_printf("-"); 25390a586ceaSMark Shellenbaum if (ace_flags & ACE_INHERIT_ONLY_ACE) 25400a586ceaSMark Shellenbaum mdb_printf("i"); 25410a586ceaSMark Shellenbaum else 25420a586ceaSMark Shellenbaum mdb_printf("-"); 25430a586ceaSMark Shellenbaum if (ace_flags & ACE_NO_PROPAGATE_INHERIT_ACE) 25440a586ceaSMark Shellenbaum mdb_printf("n"); 25450a586ceaSMark Shellenbaum else 25460a586ceaSMark Shellenbaum mdb_printf("-"); 25470a586ceaSMark Shellenbaum if (ace_flags & ACE_SUCCESSFUL_ACCESS_ACE_FLAG) 25480a586ceaSMark Shellenbaum mdb_printf("S"); 25490a586ceaSMark Shellenbaum else 25500a586ceaSMark Shellenbaum mdb_printf("-"); 25510a586ceaSMark Shellenbaum if (ace_flags & ACE_FAILED_ACCESS_ACE_FLAG) 25520a586ceaSMark Shellenbaum mdb_printf("F"); 25530a586ceaSMark Shellenbaum else 25540a586ceaSMark Shellenbaum mdb_printf("-"); 25550a586ceaSMark Shellenbaum if (ace_flags & ACE_INHERITED_ACE) 25560a586ceaSMark Shellenbaum mdb_printf("I"); 25570a586ceaSMark Shellenbaum else 25580a586ceaSMark Shellenbaum mdb_printf("-"); 25590a586ceaSMark Shellenbaum 25600a586ceaSMark Shellenbaum switch (ace_type) { 25610a586ceaSMark Shellenbaum case ACE_ACCESS_ALLOWED_ACE_TYPE: 25620a586ceaSMark Shellenbaum mdb_printf(":allow\n"); 25630a586ceaSMark Shellenbaum break; 25640a586ceaSMark Shellenbaum case ACE_ACCESS_DENIED_ACE_TYPE: 25650a586ceaSMark Shellenbaum mdb_printf(":deny\n"); 25660a586ceaSMark Shellenbaum break; 25670a586ceaSMark Shellenbaum case ACE_SYSTEM_AUDIT_ACE_TYPE: 25680a586ceaSMark Shellenbaum mdb_printf(":audit\n"); 25690a586ceaSMark Shellenbaum break; 25700a586ceaSMark Shellenbaum case ACE_SYSTEM_ALARM_ACE_TYPE: 25710a586ceaSMark Shellenbaum mdb_printf(":alarm\n"); 25720a586ceaSMark Shellenbaum break; 25730a586ceaSMark Shellenbaum default: 25740a586ceaSMark Shellenbaum mdb_printf(":?\n"); 25750a586ceaSMark Shellenbaum } 25760a586ceaSMark Shellenbaum return (DCMD_OK); 25770a586ceaSMark Shellenbaum } 25780a586ceaSMark Shellenbaum 25790a586ceaSMark Shellenbaum /* ARGSUSED */ 25800a586ceaSMark Shellenbaum static int 25810a586ceaSMark Shellenbaum zfs_ace_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 25820a586ceaSMark Shellenbaum { 25830a586ceaSMark Shellenbaum zfs_ace_t zace; 25840a586ceaSMark Shellenbaum int verbose = FALSE; 25850a586ceaSMark Shellenbaum uint64_t id; 25860a586ceaSMark Shellenbaum 25870a586ceaSMark Shellenbaum if (!(flags & DCMD_ADDRSPEC)) 25880a586ceaSMark Shellenbaum return (DCMD_USAGE); 25890a586ceaSMark Shellenbaum 25900a586ceaSMark Shellenbaum if (mdb_getopts(argc, argv, 25910a586ceaSMark Shellenbaum 'v', MDB_OPT_SETBITS, TRUE, &verbose, TRUE, NULL) != argc) 25920a586ceaSMark Shellenbaum return (DCMD_USAGE); 25930a586ceaSMark Shellenbaum 25940a586ceaSMark Shellenbaum if (mdb_vread(&zace, sizeof (zfs_ace_t), addr) == -1) { 25950a586ceaSMark Shellenbaum mdb_warn("failed to read zfs_ace_t"); 25960a586ceaSMark Shellenbaum return (DCMD_ERR); 25970a586ceaSMark Shellenbaum } 25980a586ceaSMark Shellenbaum 25990a586ceaSMark Shellenbaum if ((zace.z_hdr.z_flags & ACE_TYPE_FLAGS) == 0 || 26000a586ceaSMark Shellenbaum (zace.z_hdr.z_flags & ACE_TYPE_FLAGS) == ACE_IDENTIFIER_GROUP) 26010a586ceaSMark Shellenbaum id = zace.z_fuid; 26020a586ceaSMark Shellenbaum else 26030a586ceaSMark Shellenbaum id = -1; 26040a586ceaSMark Shellenbaum 26050a586ceaSMark Shellenbaum return (zfs_ace_print_common(addr, flags, id, zace.z_hdr.z_access_mask, 26060a586ceaSMark Shellenbaum zace.z_hdr.z_flags, zace.z_hdr.z_type, verbose)); 26070a586ceaSMark Shellenbaum } 26080a586ceaSMark Shellenbaum 26090a586ceaSMark Shellenbaum /* ARGSUSED */ 26100a586ceaSMark Shellenbaum static int 26110a586ceaSMark Shellenbaum zfs_ace0_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 26120a586ceaSMark Shellenbaum { 26130a586ceaSMark Shellenbaum ace_t ace; 26140a586ceaSMark Shellenbaum uint64_t id; 26150a586ceaSMark Shellenbaum int verbose = FALSE; 26160a586ceaSMark Shellenbaum 26170a586ceaSMark Shellenbaum if (!(flags & DCMD_ADDRSPEC)) 26180a586ceaSMark Shellenbaum return (DCMD_USAGE); 26190a586ceaSMark Shellenbaum 26200a586ceaSMark Shellenbaum if (mdb_getopts(argc, argv, 26210a586ceaSMark Shellenbaum 'v', MDB_OPT_SETBITS, TRUE, &verbose, TRUE, NULL) != argc) 26220a586ceaSMark Shellenbaum return (DCMD_USAGE); 26230a586ceaSMark Shellenbaum 26240a586ceaSMark Shellenbaum if (mdb_vread(&ace, sizeof (ace_t), addr) == -1) { 26250a586ceaSMark Shellenbaum mdb_warn("failed to read ace_t"); 26260a586ceaSMark Shellenbaum return (DCMD_ERR); 26270a586ceaSMark Shellenbaum } 26280a586ceaSMark Shellenbaum 26290a586ceaSMark Shellenbaum if ((ace.a_flags & ACE_TYPE_FLAGS) == 0 || 26300a586ceaSMark Shellenbaum (ace.a_flags & ACE_TYPE_FLAGS) == ACE_IDENTIFIER_GROUP) 26310a586ceaSMark Shellenbaum id = ace.a_who; 26320a586ceaSMark Shellenbaum else 26330a586ceaSMark Shellenbaum id = -1; 26340a586ceaSMark Shellenbaum 26350a586ceaSMark Shellenbaum return (zfs_ace_print_common(addr, flags, id, ace.a_access_mask, 26360a586ceaSMark Shellenbaum ace.a_flags, ace.a_type, verbose)); 26370a586ceaSMark Shellenbaum } 26380a586ceaSMark Shellenbaum 26390a586ceaSMark Shellenbaum typedef struct acl_dump_args { 26400a586ceaSMark Shellenbaum int a_argc; 26410a586ceaSMark Shellenbaum const mdb_arg_t *a_argv; 26420a586ceaSMark Shellenbaum uint16_t a_version; 26430a586ceaSMark Shellenbaum int a_flags; 26440a586ceaSMark Shellenbaum } acl_dump_args_t; 26450a586ceaSMark Shellenbaum 26460a586ceaSMark Shellenbaum /* ARGSUSED */ 26470a586ceaSMark Shellenbaum static int 26480a586ceaSMark Shellenbaum acl_aces_cb(uintptr_t addr, const void *unknown, void *arg) 26490a586ceaSMark Shellenbaum { 26500a586ceaSMark Shellenbaum acl_dump_args_t *acl_args = (acl_dump_args_t *)arg; 26510a586ceaSMark Shellenbaum 26520a586ceaSMark Shellenbaum if (acl_args->a_version == 1) { 26530a586ceaSMark Shellenbaum if (mdb_call_dcmd("zfs_ace", addr, 26540a586ceaSMark Shellenbaum DCMD_ADDRSPEC|acl_args->a_flags, acl_args->a_argc, 26550a586ceaSMark Shellenbaum acl_args->a_argv) != DCMD_OK) { 26560a586ceaSMark Shellenbaum return (WALK_ERR); 26570a586ceaSMark Shellenbaum } 26580a586ceaSMark Shellenbaum } else { 26590a586ceaSMark Shellenbaum if (mdb_call_dcmd("zfs_ace0", addr, 26600a586ceaSMark Shellenbaum DCMD_ADDRSPEC|acl_args->a_flags, acl_args->a_argc, 26610a586ceaSMark Shellenbaum acl_args->a_argv) != DCMD_OK) { 26620a586ceaSMark Shellenbaum return (WALK_ERR); 26630a586ceaSMark Shellenbaum } 26640a586ceaSMark Shellenbaum } 26650a586ceaSMark Shellenbaum acl_args->a_flags = DCMD_LOOP; 26660a586ceaSMark Shellenbaum return (WALK_NEXT); 26670a586ceaSMark Shellenbaum } 26680a586ceaSMark Shellenbaum 26690a586ceaSMark Shellenbaum /* ARGSUSED */ 26700a586ceaSMark Shellenbaum static int 26710a586ceaSMark Shellenbaum acl_cb(uintptr_t addr, const void *unknown, void *arg) 26720a586ceaSMark Shellenbaum { 26730a586ceaSMark Shellenbaum acl_dump_args_t *acl_args = (acl_dump_args_t *)arg; 26740a586ceaSMark Shellenbaum 26750a586ceaSMark Shellenbaum if (acl_args->a_version == 1) { 26760a586ceaSMark Shellenbaum if (mdb_pwalk("zfs_acl_node_aces", acl_aces_cb, 26770a586ceaSMark Shellenbaum arg, addr) != 0) { 26780a586ceaSMark Shellenbaum mdb_warn("can't walk ACEs"); 26790a586ceaSMark Shellenbaum return (DCMD_ERR); 26800a586ceaSMark Shellenbaum } 26810a586ceaSMark Shellenbaum } else { 26820a586ceaSMark Shellenbaum if (mdb_pwalk("zfs_acl_node_aces0", acl_aces_cb, 26830a586ceaSMark Shellenbaum arg, addr) != 0) { 26840a586ceaSMark Shellenbaum mdb_warn("can't walk ACEs"); 26850a586ceaSMark Shellenbaum return (DCMD_ERR); 26860a586ceaSMark Shellenbaum } 26870a586ceaSMark Shellenbaum } 26880a586ceaSMark Shellenbaum return (WALK_NEXT); 26890a586ceaSMark Shellenbaum } 26900a586ceaSMark Shellenbaum 26910a586ceaSMark Shellenbaum /* ARGSUSED */ 26920a586ceaSMark Shellenbaum static int 26930a586ceaSMark Shellenbaum zfs_acl_dump(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 26940a586ceaSMark Shellenbaum { 26950a586ceaSMark Shellenbaum zfs_acl_t zacl; 26960a586ceaSMark Shellenbaum int verbose = FALSE; 26970a586ceaSMark Shellenbaum acl_dump_args_t acl_args; 26980a586ceaSMark Shellenbaum 26990a586ceaSMark Shellenbaum if (!(flags & DCMD_ADDRSPEC)) 27000a586ceaSMark Shellenbaum return (DCMD_USAGE); 27010a586ceaSMark Shellenbaum 27020a586ceaSMark Shellenbaum if (mdb_getopts(argc, argv, 27030a586ceaSMark Shellenbaum 'v', MDB_OPT_SETBITS, TRUE, &verbose, TRUE, NULL) != argc) 27040a586ceaSMark Shellenbaum return (DCMD_USAGE); 27050a586ceaSMark Shellenbaum 27060a586ceaSMark Shellenbaum if (mdb_vread(&zacl, sizeof (zfs_acl_t), addr) == -1) { 27070a586ceaSMark Shellenbaum mdb_warn("failed to read zfs_acl_t"); 27080a586ceaSMark Shellenbaum return (DCMD_ERR); 27090a586ceaSMark Shellenbaum } 27100a586ceaSMark Shellenbaum 27110a586ceaSMark Shellenbaum acl_args.a_argc = argc; 27120a586ceaSMark Shellenbaum acl_args.a_argv = argv; 27130a586ceaSMark Shellenbaum acl_args.a_version = zacl.z_version; 27140a586ceaSMark Shellenbaum acl_args.a_flags = DCMD_LOOPFIRST; 27150a586ceaSMark Shellenbaum 27160a586ceaSMark Shellenbaum if (mdb_pwalk("zfs_acl_node", acl_cb, &acl_args, addr) != 0) { 27170a586ceaSMark Shellenbaum mdb_warn("can't walk ACL"); 27180a586ceaSMark Shellenbaum return (DCMD_ERR); 27190a586ceaSMark Shellenbaum } 27200a586ceaSMark Shellenbaum 27210a586ceaSMark Shellenbaum return (DCMD_OK); 27220a586ceaSMark Shellenbaum } 27230a586ceaSMark Shellenbaum 27240a586ceaSMark Shellenbaum /* ARGSUSED */ 27250a586ceaSMark Shellenbaum static int 27260a586ceaSMark Shellenbaum zfs_acl_node_walk_init(mdb_walk_state_t *wsp) 27270a586ceaSMark Shellenbaum { 27280a586ceaSMark Shellenbaum if (wsp->walk_addr == NULL) { 27290a586ceaSMark Shellenbaum mdb_warn("must supply address of zfs_acl_node_t\n"); 27300a586ceaSMark Shellenbaum return (WALK_ERR); 27310a586ceaSMark Shellenbaum } 27320a586ceaSMark Shellenbaum 27330a586ceaSMark Shellenbaum wsp->walk_addr += OFFSETOF(zfs_acl_t, z_acl); 27340a586ceaSMark Shellenbaum 27350a586ceaSMark Shellenbaum if (mdb_layered_walk("list", wsp) == -1) { 27360a586ceaSMark Shellenbaum mdb_warn("failed to walk 'list'\n"); 27370a586ceaSMark Shellenbaum return (WALK_ERR); 27380a586ceaSMark Shellenbaum } 27390a586ceaSMark Shellenbaum 27400a586ceaSMark Shellenbaum return (WALK_NEXT); 27410a586ceaSMark Shellenbaum } 27420a586ceaSMark Shellenbaum 27430a586ceaSMark Shellenbaum static int 27440a586ceaSMark Shellenbaum zfs_acl_node_walk_step(mdb_walk_state_t *wsp) 27450a586ceaSMark Shellenbaum { 27460a586ceaSMark Shellenbaum zfs_acl_node_t aclnode; 27470a586ceaSMark Shellenbaum 27480a586ceaSMark Shellenbaum if (mdb_vread(&aclnode, sizeof (zfs_acl_node_t), 27490a586ceaSMark Shellenbaum wsp->walk_addr) == -1) { 27500a586ceaSMark Shellenbaum mdb_warn("failed to read zfs_acl_node at %p", wsp->walk_addr); 27510a586ceaSMark Shellenbaum return (WALK_ERR); 27520a586ceaSMark Shellenbaum } 27530a586ceaSMark Shellenbaum 27540a586ceaSMark Shellenbaum return (wsp->walk_callback(wsp->walk_addr, &aclnode, wsp->walk_cbdata)); 27550a586ceaSMark Shellenbaum } 27560a586ceaSMark Shellenbaum 27570a586ceaSMark Shellenbaum typedef struct ace_walk_data { 27580a586ceaSMark Shellenbaum int ace_count; 27590a586ceaSMark Shellenbaum int ace_version; 27600a586ceaSMark Shellenbaum } ace_walk_data_t; 27610a586ceaSMark Shellenbaum 27620a586ceaSMark Shellenbaum static int 27630a586ceaSMark Shellenbaum zfs_aces_walk_init_common(mdb_walk_state_t *wsp, int version, 27640a586ceaSMark Shellenbaum int ace_count, uintptr_t ace_data) 27650a586ceaSMark Shellenbaum { 27660a586ceaSMark Shellenbaum ace_walk_data_t *ace_walk_data; 27670a586ceaSMark Shellenbaum 27680a586ceaSMark Shellenbaum if (wsp->walk_addr == NULL) { 27690a586ceaSMark Shellenbaum mdb_warn("must supply address of zfs_acl_node_t\n"); 27700a586ceaSMark Shellenbaum return (WALK_ERR); 27710a586ceaSMark Shellenbaum } 27720a586ceaSMark Shellenbaum 27730a586ceaSMark Shellenbaum ace_walk_data = mdb_alloc(sizeof (ace_walk_data_t), UM_SLEEP | UM_GC); 27740a586ceaSMark Shellenbaum 27750a586ceaSMark Shellenbaum ace_walk_data->ace_count = ace_count; 27760a586ceaSMark Shellenbaum ace_walk_data->ace_version = version; 27770a586ceaSMark Shellenbaum 27780a586ceaSMark Shellenbaum wsp->walk_addr = ace_data; 27790a586ceaSMark Shellenbaum wsp->walk_data = ace_walk_data; 27800a586ceaSMark Shellenbaum 27810a586ceaSMark Shellenbaum return (WALK_NEXT); 27820a586ceaSMark Shellenbaum } 27830a586ceaSMark Shellenbaum 27840a586ceaSMark Shellenbaum static int 27850a586ceaSMark Shellenbaum zfs_acl_node_aces_walk_init_common(mdb_walk_state_t *wsp, int version) 27860a586ceaSMark Shellenbaum { 27870a586ceaSMark Shellenbaum static int gotid; 27880a586ceaSMark Shellenbaum static mdb_ctf_id_t acl_id; 27890a586ceaSMark Shellenbaum int z_ace_count; 27900a586ceaSMark Shellenbaum uintptr_t z_acldata; 27910a586ceaSMark Shellenbaum 27920a586ceaSMark Shellenbaum if (!gotid) { 27930a586ceaSMark Shellenbaum if (mdb_ctf_lookup_by_name("struct zfs_acl_node", 27940a586ceaSMark Shellenbaum &acl_id) == -1) { 27950a586ceaSMark Shellenbaum mdb_warn("couldn't find struct zfs_acl_node"); 27960a586ceaSMark Shellenbaum return (DCMD_ERR); 27970a586ceaSMark Shellenbaum } 27980a586ceaSMark Shellenbaum gotid = TRUE; 27990a586ceaSMark Shellenbaum } 28000a586ceaSMark Shellenbaum 28010a586ceaSMark Shellenbaum if (GETMEMBID(wsp->walk_addr, &acl_id, z_ace_count, z_ace_count)) { 28020a586ceaSMark Shellenbaum return (DCMD_ERR); 28030a586ceaSMark Shellenbaum } 28040a586ceaSMark Shellenbaum if (GETMEMBID(wsp->walk_addr, &acl_id, z_acldata, z_acldata)) { 28050a586ceaSMark Shellenbaum return (DCMD_ERR); 28060a586ceaSMark Shellenbaum } 28070a586ceaSMark Shellenbaum 28080a586ceaSMark Shellenbaum return (zfs_aces_walk_init_common(wsp, version, 28090a586ceaSMark Shellenbaum z_ace_count, z_acldata)); 28100a586ceaSMark Shellenbaum } 28110a586ceaSMark Shellenbaum 28120a586ceaSMark Shellenbaum /* ARGSUSED */ 28130a586ceaSMark Shellenbaum static int 28140a586ceaSMark Shellenbaum zfs_acl_node_aces_walk_init(mdb_walk_state_t *wsp) 28150a586ceaSMark Shellenbaum { 28160a586ceaSMark Shellenbaum return (zfs_acl_node_aces_walk_init_common(wsp, 1)); 28170a586ceaSMark Shellenbaum } 28180a586ceaSMark Shellenbaum 28190a586ceaSMark Shellenbaum /* ARGSUSED */ 28200a586ceaSMark Shellenbaum static int 28210a586ceaSMark Shellenbaum zfs_acl_node_aces0_walk_init(mdb_walk_state_t *wsp) 28220a586ceaSMark Shellenbaum { 28230a586ceaSMark Shellenbaum return (zfs_acl_node_aces_walk_init_common(wsp, 0)); 28240a586ceaSMark Shellenbaum } 28250a586ceaSMark Shellenbaum 28260a586ceaSMark Shellenbaum static int 28270a586ceaSMark Shellenbaum zfs_aces_walk_step(mdb_walk_state_t *wsp) 28280a586ceaSMark Shellenbaum { 28290a586ceaSMark Shellenbaum ace_walk_data_t *ace_data = wsp->walk_data; 28300a586ceaSMark Shellenbaum zfs_ace_t zace; 28310a586ceaSMark Shellenbaum ace_t *acep; 28320a586ceaSMark Shellenbaum int status; 28330a586ceaSMark Shellenbaum int entry_type; 28340a586ceaSMark Shellenbaum int allow_type; 28350a586ceaSMark Shellenbaum uintptr_t ptr; 28360a586ceaSMark Shellenbaum 28370a586ceaSMark Shellenbaum if (ace_data->ace_count == 0) 28380a586ceaSMark Shellenbaum return (WALK_DONE); 28390a586ceaSMark Shellenbaum 28400a586ceaSMark Shellenbaum if (mdb_vread(&zace, sizeof (zfs_ace_t), wsp->walk_addr) == -1) { 28410a586ceaSMark Shellenbaum mdb_warn("failed to read zfs_ace_t at %#lx", 28420a586ceaSMark Shellenbaum wsp->walk_addr); 28430a586ceaSMark Shellenbaum return (WALK_ERR); 28440a586ceaSMark Shellenbaum } 28450a586ceaSMark Shellenbaum 28460a586ceaSMark Shellenbaum switch (ace_data->ace_version) { 28470a586ceaSMark Shellenbaum case 0: 28480a586ceaSMark Shellenbaum acep = (ace_t *)&zace; 28490a586ceaSMark Shellenbaum entry_type = acep->a_flags & ACE_TYPE_FLAGS; 28500a586ceaSMark Shellenbaum allow_type = acep->a_type; 28510a586ceaSMark Shellenbaum break; 28520a586ceaSMark Shellenbaum case 1: 28530a586ceaSMark Shellenbaum entry_type = zace.z_hdr.z_flags & ACE_TYPE_FLAGS; 28540a586ceaSMark Shellenbaum allow_type = zace.z_hdr.z_type; 28550a586ceaSMark Shellenbaum break; 28560a586ceaSMark Shellenbaum default: 28570a586ceaSMark Shellenbaum return (WALK_ERR); 28580a586ceaSMark Shellenbaum } 28590a586ceaSMark Shellenbaum 28600a586ceaSMark Shellenbaum ptr = (uintptr_t)wsp->walk_addr; 28610a586ceaSMark Shellenbaum switch (entry_type) { 28620a586ceaSMark Shellenbaum case ACE_OWNER: 28630a586ceaSMark Shellenbaum case ACE_EVERYONE: 28640a586ceaSMark Shellenbaum case (ACE_IDENTIFIER_GROUP | ACE_GROUP): 28650a586ceaSMark Shellenbaum ptr += ace_data->ace_version == 0 ? 28660a586ceaSMark Shellenbaum sizeof (ace_t) : sizeof (zfs_ace_hdr_t); 28670a586ceaSMark Shellenbaum break; 28680a586ceaSMark Shellenbaum case ACE_IDENTIFIER_GROUP: 28690a586ceaSMark Shellenbaum default: 28700a586ceaSMark Shellenbaum switch (allow_type) { 28710a586ceaSMark Shellenbaum case ACE_ACCESS_ALLOWED_OBJECT_ACE_TYPE: 28720a586ceaSMark Shellenbaum case ACE_ACCESS_DENIED_OBJECT_ACE_TYPE: 28730a586ceaSMark Shellenbaum case ACE_SYSTEM_AUDIT_OBJECT_ACE_TYPE: 28740a586ceaSMark Shellenbaum case ACE_SYSTEM_ALARM_OBJECT_ACE_TYPE: 28750a586ceaSMark Shellenbaum ptr += ace_data->ace_version == 0 ? 28760a586ceaSMark Shellenbaum sizeof (ace_t) : sizeof (zfs_object_ace_t); 28770a586ceaSMark Shellenbaum break; 28780a586ceaSMark Shellenbaum default: 28790a586ceaSMark Shellenbaum ptr += ace_data->ace_version == 0 ? 28800a586ceaSMark Shellenbaum sizeof (ace_t) : sizeof (zfs_ace_t); 28810a586ceaSMark Shellenbaum break; 28820a586ceaSMark Shellenbaum } 28830a586ceaSMark Shellenbaum } 28840a586ceaSMark Shellenbaum 28850a586ceaSMark Shellenbaum ace_data->ace_count--; 28860a586ceaSMark Shellenbaum status = wsp->walk_callback(wsp->walk_addr, 28870a586ceaSMark Shellenbaum (void *)(uintptr_t)&zace, wsp->walk_cbdata); 28880a586ceaSMark Shellenbaum 28890a586ceaSMark Shellenbaum wsp->walk_addr = ptr; 28900a586ceaSMark Shellenbaum return (status); 28910a586ceaSMark Shellenbaum } 28920a586ceaSMark Shellenbaum 2893ccae0b50Seschrock /* 2894fa9e4066Sahrens * MDB module linkage information: 2895fa9e4066Sahrens * 2896fa9e4066Sahrens * We declare a list of structures describing our dcmds, and a function 2897fa9e4066Sahrens * named _mdb_init to return a pointer to our module information. 2898fa9e4066Sahrens */ 2899fa9e4066Sahrens 2900fa9e4066Sahrens static const mdb_dcmd_t dcmds[] = { 290191ebeef5Sahrens { "arc", "[-bkmg]", "print ARC variables", arc_print }, 2902fa9e4066Sahrens { "blkptr", ":", "print blkptr_t", blkptr }, 2903fa9e4066Sahrens { "dbuf", ":", "print dmu_buf_impl_t", dbuf }, 2904fa9e4066Sahrens { "dbuf_stats", ":", "dbuf stats", dbuf_stats }, 2905fa9e4066Sahrens { "dbufs", 29064223fc7cSMark Shellenbaum "\t[-O objset_t*] [-n objset_name | \"mos\"] " 29073cb34c60Sahrens "[-o object | \"mdn\"] \n" 2908fa9e4066Sahrens "\t[-l level] [-b blkid | \"bonus\"]", 290991ebeef5Sahrens "find dmu_buf_impl_t's that match specified criteria", dbufs }, 2910fa9e4066Sahrens { "abuf_find", "dva_word[0] dva_word[1]", 2911fa9e4066Sahrens "find arc_buf_hdr_t of a specified DVA", 2912fa9e4066Sahrens abuf_find }, 2913fa9e4066Sahrens { "spa", "?[-cv]", "spa_t summary", spa_print }, 2914fa9e4066Sahrens { "spa_config", ":", "print spa_t configuration", spa_print_config }, 2915fa9e4066Sahrens { "spa_verify", ":", "verify spa_t consistency", spa_verify }, 2916fa9e4066Sahrens { "spa_space", ":[-b]", "print spa_t on-disk space usage", spa_space }, 2917fa9e4066Sahrens { "spa_vdevs", ":", "given a spa_t, print vdev summary", spa_vdevs }, 291891ebeef5Sahrens { "vdev", ":[-re]\n" 291991ebeef5Sahrens "\t-r display recursively\n" 2920a3f829aeSBill Moore "\t-e print statistics", 292191ebeef5Sahrens "vdev_t summary", vdev_print }, 2922a3f829aeSBill Moore { "zio", ":[cpr]\n" 2923a3f829aeSBill Moore "\t-c display children\n" 2924a3f829aeSBill Moore "\t-p display parents\n" 2925a3f829aeSBill Moore "\t-r display recursively", 2926a3f829aeSBill Moore "zio_t summary", zio_print }, 2927ccae0b50Seschrock { "zio_state", "?", "print out all zio_t structures on system or " 2928ccae0b50Seschrock "for a particular pool", zio_state }, 292988b7b0f2SMatthew Ahrens { "zfs_blkstats", ":[-v]", 293088b7b0f2SMatthew Ahrens "given a spa_t, print block type stats from last scrub", 293188b7b0f2SMatthew Ahrens zfs_blkstats }, 2932614409b5Sahrens { "zfs_params", "", "print zfs tunable parameters", zfs_params }, 29339966ca11SMatthew Ahrens { "refcount", "", "print refcount_t holders", refcount }, 29343f1f8012SMatthew Ahrens { "zap_leaf", "", "print zap_leaf_phys_t", zap_leaf }, 29350a586ceaSMark Shellenbaum { "zfs_aces", ":[-v]", "print all ACEs from a zfs_acl_t", 29360a586ceaSMark Shellenbaum zfs_acl_dump }, 29370a586ceaSMark Shellenbaum { "zfs_ace", ":[-v]", "print zfs_ace", zfs_ace_print }, 29380a586ceaSMark Shellenbaum { "zfs_ace0", ":[-v]", "print zfs_ace0", zfs_ace0_print }, 29390a586ceaSMark Shellenbaum { "sa_attr_table", ":", "print SA attribute table from sa_os_t", 29400a586ceaSMark Shellenbaum sa_attr_table}, 29410a586ceaSMark Shellenbaum { "sa_attr", ": attr_id", 29420a586ceaSMark Shellenbaum "print SA attribute address when given sa_handle_t", sa_attr_print}, 2943fa9e4066Sahrens { NULL } 2944fa9e4066Sahrens }; 2945fa9e4066Sahrens 2946fa9e4066Sahrens static const mdb_walker_t walkers[] = { 2947fa9e4066Sahrens /* 2948fa9e4066Sahrens * In userland, there is no generic provider of list_t walkers, so we 2949fa9e4066Sahrens * need to add it. 2950fa9e4066Sahrens */ 2951fa9e4066Sahrens #ifndef _KERNEL 2952fa9e4066Sahrens { LIST_WALK_NAME, LIST_WALK_DESC, 2953fa9e4066Sahrens list_walk_init, list_walk_step, list_walk_fini }, 2954fa9e4066Sahrens #endif 2955fa9e4066Sahrens { "zms_freelist", "walk ZFS metaslab freelist", 29565f5f7a6fSahrens freelist_walk_init, freelist_walk_step, NULL }, 2957fa9e4066Sahrens { "txg_list", "given any txg_list_t *, walk all entries in all txgs", 29585f5f7a6fSahrens txg_list_walk_init, txg_list_walk_step, NULL }, 2959fa9e4066Sahrens { "txg_list0", "given any txg_list_t *, walk all entries in txg 0", 29605f5f7a6fSahrens txg_list0_walk_init, txg_list_walk_step, NULL }, 2961fa9e4066Sahrens { "txg_list1", "given any txg_list_t *, walk all entries in txg 1", 29625f5f7a6fSahrens txg_list1_walk_init, txg_list_walk_step, NULL }, 2963fa9e4066Sahrens { "txg_list2", "given any txg_list_t *, walk all entries in txg 2", 29645f5f7a6fSahrens txg_list2_walk_init, txg_list_walk_step, NULL }, 2965fa9e4066Sahrens { "txg_list3", "given any txg_list_t *, walk all entries in txg 3", 29665f5f7a6fSahrens txg_list3_walk_init, txg_list_walk_step, NULL }, 2967ccae0b50Seschrock { "zio", "walk all zio structures, optionally for a particular spa_t", 2968ccae0b50Seschrock zio_walk_init, zio_walk_step, NULL }, 2969ccae0b50Seschrock { "zio_root", "walk all root zio_t structures, optionally for a " 2970ccae0b50Seschrock "particular spa_t", 2971ccae0b50Seschrock zio_walk_init, zio_walk_root_step, NULL }, 2972fa9e4066Sahrens { "spa", "walk all spa_t entries in the namespace", 2973fa9e4066Sahrens spa_walk_init, spa_walk_step, NULL }, 29745f5f7a6fSahrens { "metaslab", "given a spa_t *, walk all metaslab_t structures", 29755f5f7a6fSahrens metaslab_walk_init, metaslab_walk_step, NULL }, 29760a586ceaSMark Shellenbaum { "zfs_acl_node", "given a zfs_acl_t, walk all zfs_acl_nodes", 29770a586ceaSMark Shellenbaum zfs_acl_node_walk_init, zfs_acl_node_walk_step, NULL }, 29780a586ceaSMark Shellenbaum { "zfs_acl_node_aces", "given a zfs_acl_node_t, walk all ACEs", 29790a586ceaSMark Shellenbaum zfs_acl_node_aces_walk_init, zfs_aces_walk_step, NULL }, 29800a586ceaSMark Shellenbaum { "zfs_acl_node_aces0", 29810a586ceaSMark Shellenbaum "given a zfs_acl_node_t, walk all ACEs as ace_t", 29820a586ceaSMark Shellenbaum zfs_acl_node_aces0_walk_init, zfs_aces_walk_step, NULL }, 2983fa9e4066Sahrens { NULL } 2984fa9e4066Sahrens }; 2985fa9e4066Sahrens 2986fa9e4066Sahrens static const mdb_modinfo_t modinfo = { 2987fa9e4066Sahrens MDB_API_VERSION, dcmds, walkers 2988fa9e4066Sahrens }; 2989fa9e4066Sahrens 2990fa9e4066Sahrens const mdb_modinfo_t * 2991fa9e4066Sahrens _mdb_init(void) 2992fa9e4066Sahrens { 2993fa9e4066Sahrens return (&modinfo); 2994fa9e4066Sahrens } 2995