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 /* 221195e687SMark J Musante * Copyright 2010 Sun Microsystems, Inc. All rights reserved. 23fa9e4066Sahrens * Use is subject to license terms. 24fa9e4066Sahrens */ 25fa9e4066Sahrens 26fa9e4066Sahrens #include <mdb/mdb_ctf.h> 27fa9e4066Sahrens #include <sys/zfs_context.h> 28fa9e4066Sahrens #include <sys/mdb_modapi.h> 29fa9e4066Sahrens #include <sys/dbuf.h> 30fa9e4066Sahrens #include <sys/dmu_objset.h> 31fa9e4066Sahrens #include <sys/dsl_dir.h> 32fa9e4066Sahrens #include <sys/dsl_pool.h> 33fa9e4066Sahrens #include <sys/metaslab_impl.h> 34fa9e4066Sahrens #include <sys/space_map.h> 35fa9e4066Sahrens #include <sys/list.h> 36fa9e4066Sahrens #include <sys/spa_impl.h> 37fa9e4066Sahrens #include <sys/vdev_impl.h> 383f1f8012SMatthew Ahrens #include <sys/zap_leaf.h> 393f1f8012SMatthew Ahrens #include <sys/zap_impl.h> 409966ca11SMatthew Ahrens #include <ctype.h> 41*0a586ceaSMark Shellenbaum #include <sys/zfs_acl.h> 42*0a586ceaSMark Shellenbaum #include <sys/sa_impl.h> 43fa9e4066Sahrens 44fa9e4066Sahrens #ifndef _KERNEL 45fa9e4066Sahrens #include "../genunix/list.h" 46fa9e4066Sahrens #endif 47fa9e4066Sahrens 48fa9e4066Sahrens #ifdef _KERNEL 49fa9e4066Sahrens #define ZFS_OBJ_NAME "zfs" 50fa9e4066Sahrens #else 51fa9e4066Sahrens #define ZFS_OBJ_NAME "libzpool.so.1" 52fa9e4066Sahrens #endif 53fa9e4066Sahrens 54feef89cfSVictor Latushkin #ifndef _KERNEL 55feef89cfSVictor Latushkin int aok; 56feef89cfSVictor Latushkin #endif 57feef89cfSVictor Latushkin 58fa9e4066Sahrens static int 59fa9e4066Sahrens getmember(uintptr_t addr, const char *type, mdb_ctf_id_t *idp, 60fa9e4066Sahrens const char *member, int len, void *buf) 61fa9e4066Sahrens { 62fa9e4066Sahrens mdb_ctf_id_t id; 63fa9e4066Sahrens ulong_t off; 64fa9e4066Sahrens char name[64]; 65fa9e4066Sahrens 66fa9e4066Sahrens if (idp == NULL) { 67fa9e4066Sahrens if (mdb_ctf_lookup_by_name(type, &id) == -1) { 68fa9e4066Sahrens mdb_warn("couldn't find type %s", type); 69fa9e4066Sahrens return (DCMD_ERR); 70fa9e4066Sahrens } 71fa9e4066Sahrens idp = &id; 72fa9e4066Sahrens } else { 73fa9e4066Sahrens type = name; 74fa9e4066Sahrens mdb_ctf_type_name(*idp, name, sizeof (name)); 75fa9e4066Sahrens } 76fa9e4066Sahrens 77fa9e4066Sahrens if (mdb_ctf_offsetof(*idp, member, &off) == -1) { 78fa9e4066Sahrens mdb_warn("couldn't find member %s of type %s\n", member, type); 79fa9e4066Sahrens return (DCMD_ERR); 80fa9e4066Sahrens } 81fa9e4066Sahrens if (off % 8 != 0) { 82fa9e4066Sahrens mdb_warn("member %s of type %s is unsupported bitfield", 83fa9e4066Sahrens member, type); 84fa9e4066Sahrens return (DCMD_ERR); 85fa9e4066Sahrens } 86fa9e4066Sahrens off /= 8; 87fa9e4066Sahrens 88fa9e4066Sahrens if (mdb_vread(buf, len, addr + off) == -1) { 89fa9e4066Sahrens mdb_warn("failed to read %s from %s at %p", 90fa9e4066Sahrens member, type, addr + off); 91fa9e4066Sahrens return (DCMD_ERR); 92fa9e4066Sahrens } 93fa9e4066Sahrens /* mdb_warn("read %s from %s at %p+%llx\n", member, type, addr, off); */ 94fa9e4066Sahrens 95fa9e4066Sahrens return (0); 96fa9e4066Sahrens } 97fa9e4066Sahrens 98fa9e4066Sahrens #define GETMEMB(addr, type, member, dest) \ 99fa9e4066Sahrens getmember(addr, #type, NULL, #member, sizeof (dest), &(dest)) 100fa9e4066Sahrens 101fa9e4066Sahrens #define GETMEMBID(addr, ctfid, member, dest) \ 102fa9e4066Sahrens getmember(addr, NULL, ctfid, #member, sizeof (dest), &(dest)) 103fa9e4066Sahrens 104fa9e4066Sahrens static int 105fa9e4066Sahrens getrefcount(uintptr_t addr, mdb_ctf_id_t *id, 106fa9e4066Sahrens const char *member, uint64_t *rc) 107fa9e4066Sahrens { 108fa9e4066Sahrens static int gotid; 109fa9e4066Sahrens static mdb_ctf_id_t rc_id; 110fa9e4066Sahrens ulong_t off; 111fa9e4066Sahrens 112fa9e4066Sahrens if (!gotid) { 113fa9e4066Sahrens if (mdb_ctf_lookup_by_name("struct refcount", &rc_id) == -1) { 114fa9e4066Sahrens mdb_warn("couldn't find struct refcount"); 115fa9e4066Sahrens return (DCMD_ERR); 116fa9e4066Sahrens } 117fa9e4066Sahrens gotid = TRUE; 118fa9e4066Sahrens } 119fa9e4066Sahrens 120fa9e4066Sahrens if (mdb_ctf_offsetof(*id, member, &off) == -1) { 121fa9e4066Sahrens char name[64]; 122fa9e4066Sahrens mdb_ctf_type_name(*id, name, sizeof (name)); 123fa9e4066Sahrens mdb_warn("couldn't find member %s of type %s\n", member, name); 124fa9e4066Sahrens return (DCMD_ERR); 125fa9e4066Sahrens } 126fa9e4066Sahrens off /= 8; 127fa9e4066Sahrens 128fa9e4066Sahrens return (GETMEMBID(addr + off, &rc_id, rc_count, *rc)); 129fa9e4066Sahrens } 130fa9e4066Sahrens 131fa9e4066Sahrens static int verbose; 132fa9e4066Sahrens 133fa9e4066Sahrens static int 134fa9e4066Sahrens freelist_walk_init(mdb_walk_state_t *wsp) 135fa9e4066Sahrens { 136fa9e4066Sahrens if (wsp->walk_addr == NULL) { 137fa9e4066Sahrens mdb_warn("must supply starting address\n"); 138fa9e4066Sahrens return (WALK_ERR); 139fa9e4066Sahrens } 140fa9e4066Sahrens 141fa9e4066Sahrens wsp->walk_data = 0; /* Index into the freelist */ 142fa9e4066Sahrens return (WALK_NEXT); 143fa9e4066Sahrens } 144fa9e4066Sahrens 145fa9e4066Sahrens static int 146fa9e4066Sahrens freelist_walk_step(mdb_walk_state_t *wsp) 147fa9e4066Sahrens { 148fa9e4066Sahrens uint64_t entry; 149fa9e4066Sahrens uintptr_t number = (uintptr_t)wsp->walk_data; 1508053a263Sck char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID", 1518053a263Sck "INVALID", "INVALID", "INVALID", "INVALID" }; 152fa9e4066Sahrens int mapshift = SPA_MINBLOCKSHIFT; 153fa9e4066Sahrens 154fa9e4066Sahrens if (mdb_vread(&entry, sizeof (entry), wsp->walk_addr) == -1) { 155fa9e4066Sahrens mdb_warn("failed to read freelist entry %p", wsp->walk_addr); 156fa9e4066Sahrens return (WALK_DONE); 157fa9e4066Sahrens } 158fa9e4066Sahrens wsp->walk_addr += sizeof (entry); 159fa9e4066Sahrens wsp->walk_data = (void *)(number + 1); 160fa9e4066Sahrens 161fa9e4066Sahrens if (SM_DEBUG_DECODE(entry)) { 162fa9e4066Sahrens mdb_printf("DEBUG: %3u %10s: txg=%llu pass=%llu\n", 163fa9e4066Sahrens number, 164fa9e4066Sahrens ddata[SM_DEBUG_ACTION_DECODE(entry)], 165fa9e4066Sahrens SM_DEBUG_TXG_DECODE(entry), 166fa9e4066Sahrens SM_DEBUG_SYNCPASS_DECODE(entry)); 167fa9e4066Sahrens } else { 168fa9e4066Sahrens mdb_printf("Entry: %3u offsets=%08llx-%08llx type=%c " 169fa9e4066Sahrens "size=%06llx", number, 170fa9e4066Sahrens SM_OFFSET_DECODE(entry) << mapshift, 171fa9e4066Sahrens (SM_OFFSET_DECODE(entry) + SM_RUN_DECODE(entry)) << 172fa9e4066Sahrens mapshift, 173fa9e4066Sahrens SM_TYPE_DECODE(entry) == SM_ALLOC ? 'A' : 'F', 174fa9e4066Sahrens SM_RUN_DECODE(entry) << mapshift); 175fa9e4066Sahrens if (verbose) 176fa9e4066Sahrens mdb_printf(" (raw=%012llx)\n", entry); 177fa9e4066Sahrens mdb_printf("\n"); 178fa9e4066Sahrens } 179fa9e4066Sahrens return (WALK_NEXT); 180fa9e4066Sahrens } 181fa9e4066Sahrens 182fa9e4066Sahrens 183fa9e4066Sahrens static int 184fa9e4066Sahrens dataset_name(uintptr_t addr, char *buf) 185fa9e4066Sahrens { 186fa9e4066Sahrens static int gotid; 187fa9e4066Sahrens static mdb_ctf_id_t dd_id; 188fa9e4066Sahrens uintptr_t dd_parent; 189fa9e4066Sahrens char dd_myname[MAXNAMELEN]; 190fa9e4066Sahrens 191fa9e4066Sahrens if (!gotid) { 192fa9e4066Sahrens if (mdb_ctf_lookup_by_name("struct dsl_dir", 193fa9e4066Sahrens &dd_id) == -1) { 194fa9e4066Sahrens mdb_warn("couldn't find struct dsl_dir"); 195fa9e4066Sahrens return (DCMD_ERR); 196fa9e4066Sahrens } 197fa9e4066Sahrens gotid = TRUE; 198fa9e4066Sahrens } 199fa9e4066Sahrens if (GETMEMBID(addr, &dd_id, dd_parent, dd_parent) || 200fa9e4066Sahrens GETMEMBID(addr, &dd_id, dd_myname, dd_myname)) { 201fa9e4066Sahrens return (DCMD_ERR); 202fa9e4066Sahrens } 203fa9e4066Sahrens 204fa9e4066Sahrens if (dd_parent) { 205fa9e4066Sahrens if (dataset_name(dd_parent, buf)) 206fa9e4066Sahrens return (DCMD_ERR); 207fa9e4066Sahrens strcat(buf, "/"); 208fa9e4066Sahrens } 209fa9e4066Sahrens 210fa9e4066Sahrens if (dd_myname[0]) 211fa9e4066Sahrens strcat(buf, dd_myname); 212fa9e4066Sahrens else 213fa9e4066Sahrens strcat(buf, "???"); 214fa9e4066Sahrens 215fa9e4066Sahrens return (0); 216fa9e4066Sahrens } 217fa9e4066Sahrens 218fa9e4066Sahrens static int 219fa9e4066Sahrens objset_name(uintptr_t addr, char *buf) 220fa9e4066Sahrens { 221fa9e4066Sahrens static int gotid; 222*0a586ceaSMark Shellenbaum static mdb_ctf_id_t osi_id, ds_id; 223fa9e4066Sahrens uintptr_t os_dsl_dataset; 224fa9e4066Sahrens char ds_snapname[MAXNAMELEN]; 225fa9e4066Sahrens uintptr_t ds_dir; 226fa9e4066Sahrens 227fa9e4066Sahrens buf[0] = '\0'; 228fa9e4066Sahrens 229fa9e4066Sahrens if (!gotid) { 230*0a586ceaSMark Shellenbaum if (mdb_ctf_lookup_by_name("struct objset_impl", 231*0a586ceaSMark Shellenbaum &osi_id) == -1) { 232*0a586ceaSMark Shellenbaum mdb_warn("couldn't find struct objset_impl"); 233fa9e4066Sahrens return (DCMD_ERR); 234fa9e4066Sahrens } 235fa9e4066Sahrens if (mdb_ctf_lookup_by_name("struct dsl_dataset", 236fa9e4066Sahrens &ds_id) == -1) { 237fa9e4066Sahrens mdb_warn("couldn't find struct dsl_dataset"); 238fa9e4066Sahrens return (DCMD_ERR); 239fa9e4066Sahrens } 240fa9e4066Sahrens 241fa9e4066Sahrens gotid = TRUE; 242fa9e4066Sahrens } 243fa9e4066Sahrens 244*0a586ceaSMark Shellenbaum if (GETMEMBID(addr, &osi_id, os_dsl_dataset, os_dsl_dataset)) 245fa9e4066Sahrens return (DCMD_ERR); 246fa9e4066Sahrens 247fa9e4066Sahrens if (os_dsl_dataset == 0) { 248fa9e4066Sahrens strcat(buf, "mos"); 249fa9e4066Sahrens return (0); 250fa9e4066Sahrens } 251fa9e4066Sahrens 252fa9e4066Sahrens if (GETMEMBID(os_dsl_dataset, &ds_id, ds_snapname, ds_snapname) || 253fa9e4066Sahrens GETMEMBID(os_dsl_dataset, &ds_id, ds_dir, ds_dir)) { 254fa9e4066Sahrens return (DCMD_ERR); 255fa9e4066Sahrens } 256fa9e4066Sahrens 257fa9e4066Sahrens if (ds_dir && dataset_name(ds_dir, buf)) 258fa9e4066Sahrens return (DCMD_ERR); 259fa9e4066Sahrens 260fa9e4066Sahrens if (ds_snapname[0]) { 261fa9e4066Sahrens strcat(buf, "@"); 262fa9e4066Sahrens strcat(buf, ds_snapname); 263fa9e4066Sahrens } 264fa9e4066Sahrens return (0); 265fa9e4066Sahrens } 266fa9e4066Sahrens 267fa9e4066Sahrens static void 268fa9e4066Sahrens enum_lookup(char *out, size_t size, mdb_ctf_id_t id, int val, 269fa9e4066Sahrens const char *prefix) 270fa9e4066Sahrens { 271fa9e4066Sahrens const char *cp; 272fa9e4066Sahrens size_t len = strlen(prefix); 273fa9e4066Sahrens 274fa9e4066Sahrens if ((cp = mdb_ctf_enum_name(id, val)) != NULL) { 275fa9e4066Sahrens if (strncmp(cp, prefix, len) == 0) 276fa9e4066Sahrens cp += len; 277fa9e4066Sahrens (void) strncpy(out, cp, size); 278fa9e4066Sahrens } else { 279fa9e4066Sahrens mdb_snprintf(out, size, "? (%d)", val); 280fa9e4066Sahrens } 281fa9e4066Sahrens } 282fa9e4066Sahrens 283614409b5Sahrens /* ARGSUSED */ 284614409b5Sahrens static int 285614409b5Sahrens zfs_params(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 286614409b5Sahrens { 287614409b5Sahrens /* 288614409b5Sahrens * This table can be approximately generated by running: 289614409b5Sahrens * egrep "^[a-z0-9_]+ [a-z0-9_]+( =.*)?;" *.c | cut -d ' ' -f 2 290614409b5Sahrens */ 291614409b5Sahrens static const char *params[] = { 292614409b5Sahrens "arc_reduce_dnlc_percent", 293614409b5Sahrens "zfs_arc_max", 294614409b5Sahrens "zfs_arc_min", 29549e3519aSmaybee "arc_shrink_shift", 296614409b5Sahrens "zfs_mdcomp_disable", 297614409b5Sahrens "zfs_prefetch_disable", 298614409b5Sahrens "zfetch_max_streams", 299614409b5Sahrens "zfetch_min_sec_reap", 300614409b5Sahrens "zfetch_block_cap", 301614409b5Sahrens "zfetch_array_rd_sz", 302614409b5Sahrens "zfs_default_bs", 303614409b5Sahrens "zfs_default_ibs", 304614409b5Sahrens "metaslab_aliquot", 305614409b5Sahrens "reference_tracking_enable", 306614409b5Sahrens "reference_history", 307614409b5Sahrens "spa_max_replication_override", 308b24ab676SJeff Bonwick "spa_mode_global", 309614409b5Sahrens "zfs_flags", 3101ab7f2deSmaybee "zfs_txg_synctime", 3111ab7f2deSmaybee "zfs_txg_timeout", 3121ab7f2deSmaybee "zfs_write_limit_min", 3131ab7f2deSmaybee "zfs_write_limit_max", 3141ab7f2deSmaybee "zfs_write_limit_shift", 3151ab7f2deSmaybee "zfs_write_limit_override", 3161ab7f2deSmaybee "zfs_no_write_throttle", 317614409b5Sahrens "zfs_vdev_cache_max", 318614409b5Sahrens "zfs_vdev_cache_size", 319614409b5Sahrens "zfs_vdev_cache_bshift", 320614409b5Sahrens "vdev_mirror_shift", 321614409b5Sahrens "zfs_vdev_max_pending", 322614409b5Sahrens "zfs_vdev_min_pending", 323614409b5Sahrens "zfs_scrub_limit", 324b16da2e2SGeorge Wilson "zfs_no_scrub_io", 325b16da2e2SGeorge Wilson "zfs_no_scrub_prefetch", 326614409b5Sahrens "zfs_vdev_time_shift", 327614409b5Sahrens "zfs_vdev_ramp_rate", 328614409b5Sahrens "zfs_vdev_aggregation_limit", 329614409b5Sahrens "fzap_default_block_shift", 330614409b5Sahrens "zfs_immediate_write_sz", 331614409b5Sahrens "zfs_read_chunk_size", 332614409b5Sahrens "zil_disable", 333614409b5Sahrens "zfs_nocacheflush", 3341ab7f2deSmaybee "metaslab_gang_bang", 335d6e555bdSGeorge Wilson "metaslab_df_alloc_threshold", 336d6e555bdSGeorge Wilson "metaslab_df_free_pct", 337614409b5Sahrens "zio_injection_enabled", 338614409b5Sahrens "zvol_immediate_write_sz", 339614409b5Sahrens }; 340614409b5Sahrens 341b24ab676SJeff Bonwick for (int i = 0; i < sizeof (params) / sizeof (params[0]); i++) { 342614409b5Sahrens int sz; 343614409b5Sahrens uint64_t val64; 344614409b5Sahrens uint32_t *val32p = (uint32_t *)&val64; 345614409b5Sahrens 346614409b5Sahrens sz = mdb_readvar(&val64, params[i]); 347614409b5Sahrens if (sz == 4) { 348614409b5Sahrens mdb_printf("%s = 0x%x\n", params[i], *val32p); 349614409b5Sahrens } else if (sz == 8) { 350614409b5Sahrens mdb_printf("%s = 0x%llx\n", params[i], val64); 351614409b5Sahrens } else { 352614409b5Sahrens mdb_warn("variable %s not found", params[i]); 353614409b5Sahrens } 354614409b5Sahrens } 355614409b5Sahrens 356614409b5Sahrens return (DCMD_OK); 357614409b5Sahrens } 358614409b5Sahrens 359fa9e4066Sahrens /* ARGSUSED */ 360fa9e4066Sahrens static int 361fa9e4066Sahrens blkptr(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 362fa9e4066Sahrens { 363b24ab676SJeff Bonwick mdb_ctf_id_t type_enum, checksum_enum, compress_enum; 364b24ab676SJeff Bonwick char type[80], checksum[80], compress[80]; 365b24ab676SJeff Bonwick blkptr_t blk, *bp = &blk; 366b24ab676SJeff Bonwick char buf[BP_SPRINTF_LEN]; 367fa9e4066Sahrens 368b24ab676SJeff Bonwick if (mdb_vread(&blk, sizeof (blkptr_t), addr) == -1) { 369fa9e4066Sahrens mdb_warn("failed to read blkptr_t"); 370fa9e4066Sahrens return (DCMD_ERR); 371fa9e4066Sahrens } 372fa9e4066Sahrens 373b24ab676SJeff Bonwick if (mdb_ctf_lookup_by_name("enum dmu_object_type", &type_enum) == -1 || 374b24ab676SJeff Bonwick mdb_ctf_lookup_by_name("enum zio_checksum", &checksum_enum) == -1 || 375b24ab676SJeff Bonwick mdb_ctf_lookup_by_name("enum zio_compress", &compress_enum) == -1) { 376b24ab676SJeff Bonwick mdb_warn("Could not find blkptr enumerated types"); 377fa9e4066Sahrens return (DCMD_ERR); 378fa9e4066Sahrens } 379fa9e4066Sahrens 380b24ab676SJeff Bonwick enum_lookup(type, sizeof (type), type_enum, 381b24ab676SJeff Bonwick BP_GET_TYPE(bp), "DMU_OT_"); 382b24ab676SJeff Bonwick enum_lookup(checksum, sizeof (checksum), checksum_enum, 383b24ab676SJeff Bonwick BP_GET_CHECKSUM(bp), "ZIO_CHECKSUM_"); 384b24ab676SJeff Bonwick enum_lookup(compress, sizeof (compress), compress_enum, 385b24ab676SJeff Bonwick BP_GET_COMPRESS(bp), "ZIO_COMPRESS_"); 386fa9e4066Sahrens 387b24ab676SJeff Bonwick SPRINTF_BLKPTR(mdb_snprintf, '\n', buf, bp, type, checksum, compress); 388fa9e4066Sahrens 389b24ab676SJeff Bonwick mdb_printf("%s\n", buf); 390fa9e4066Sahrens 391fa9e4066Sahrens return (DCMD_OK); 392fa9e4066Sahrens } 393fa9e4066Sahrens 394fa9e4066Sahrens /* ARGSUSED */ 395fa9e4066Sahrens static int 396fa9e4066Sahrens dbuf(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 397fa9e4066Sahrens { 398fa9e4066Sahrens mdb_ctf_id_t id; 399fa9e4066Sahrens dmu_buf_t db; 400fa9e4066Sahrens uintptr_t objset; 401fa9e4066Sahrens uint8_t level; 402fa9e4066Sahrens uint64_t blkid; 403fa9e4066Sahrens uint64_t holds; 404fa9e4066Sahrens char objectname[32]; 405fa9e4066Sahrens char blkidname[32]; 406fa9e4066Sahrens char path[MAXNAMELEN]; 407fa9e4066Sahrens 408fa9e4066Sahrens if (DCMD_HDRSPEC(flags)) { 409fa9e4066Sahrens mdb_printf(" addr object lvl blkid holds os\n"); 410fa9e4066Sahrens } 411fa9e4066Sahrens 412fa9e4066Sahrens if (mdb_ctf_lookup_by_name("struct dmu_buf_impl", &id) == -1) { 413fa9e4066Sahrens mdb_warn("couldn't find struct dmu_buf_impl_t"); 414fa9e4066Sahrens return (DCMD_ERR); 415fa9e4066Sahrens } 416fa9e4066Sahrens 417fa9e4066Sahrens if (GETMEMBID(addr, &id, db_objset, objset) || 418fa9e4066Sahrens GETMEMBID(addr, &id, db, db) || 419fa9e4066Sahrens GETMEMBID(addr, &id, db_level, level) || 420fa9e4066Sahrens GETMEMBID(addr, &id, db_blkid, blkid)) { 421fa9e4066Sahrens return (WALK_ERR); 422fa9e4066Sahrens } 423fa9e4066Sahrens 424fa9e4066Sahrens if (getrefcount(addr, &id, "db_holds", &holds)) { 425fa9e4066Sahrens return (WALK_ERR); 426fa9e4066Sahrens } 427fa9e4066Sahrens 428fa9e4066Sahrens if (db.db_object == DMU_META_DNODE_OBJECT) 429fa9e4066Sahrens (void) strcpy(objectname, "mdn"); 430fa9e4066Sahrens else 431fa9e4066Sahrens (void) mdb_snprintf(objectname, sizeof (objectname), "%llx", 432fa9e4066Sahrens (u_longlong_t)db.db_object); 433fa9e4066Sahrens 434*0a586ceaSMark Shellenbaum if (blkid == DMU_BONUS_BLKID) 435fa9e4066Sahrens (void) strcpy(blkidname, "bonus"); 436fa9e4066Sahrens else 437fa9e4066Sahrens (void) mdb_snprintf(blkidname, sizeof (blkidname), "%llx", 438fa9e4066Sahrens (u_longlong_t)blkid); 439fa9e4066Sahrens 440fa9e4066Sahrens if (objset_name(objset, path)) { 441fa9e4066Sahrens return (WALK_ERR); 442fa9e4066Sahrens } 443fa9e4066Sahrens 444fa9e4066Sahrens mdb_printf("%p %8s %1u %9s %2llu %s\n", 445fa9e4066Sahrens addr, objectname, level, blkidname, holds, path); 446fa9e4066Sahrens 447fa9e4066Sahrens return (DCMD_OK); 448fa9e4066Sahrens } 449fa9e4066Sahrens 450fa9e4066Sahrens /* ARGSUSED */ 451fa9e4066Sahrens static int 452fa9e4066Sahrens dbuf_stats(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 453fa9e4066Sahrens { 454fa9e4066Sahrens #define HISTOSZ 32 455fa9e4066Sahrens uintptr_t dbp; 456fa9e4066Sahrens dmu_buf_impl_t db; 457fa9e4066Sahrens dbuf_hash_table_t ht; 458fa9e4066Sahrens uint64_t bucket, ndbufs; 459fa9e4066Sahrens uint64_t histo[HISTOSZ]; 460fa9e4066Sahrens uint64_t histo2[HISTOSZ]; 461fa9e4066Sahrens int i, maxidx; 462fa9e4066Sahrens 463fa9e4066Sahrens if (mdb_readvar(&ht, "dbuf_hash_table") == -1) { 464fa9e4066Sahrens mdb_warn("failed to read 'dbuf_hash_table'"); 465fa9e4066Sahrens return (DCMD_ERR); 466fa9e4066Sahrens } 467fa9e4066Sahrens 468fa9e4066Sahrens for (i = 0; i < HISTOSZ; i++) { 469fa9e4066Sahrens histo[i] = 0; 470fa9e4066Sahrens histo2[i] = 0; 471fa9e4066Sahrens } 472fa9e4066Sahrens 473fa9e4066Sahrens ndbufs = 0; 474fa9e4066Sahrens for (bucket = 0; bucket < ht.hash_table_mask+1; bucket++) { 475fa9e4066Sahrens int len; 476fa9e4066Sahrens 477fa9e4066Sahrens if (mdb_vread(&dbp, sizeof (void *), 478fa9e4066Sahrens (uintptr_t)(ht.hash_table+bucket)) == -1) { 479fa9e4066Sahrens mdb_warn("failed to read hash bucket %u at %p", 480fa9e4066Sahrens bucket, ht.hash_table+bucket); 481fa9e4066Sahrens return (DCMD_ERR); 482fa9e4066Sahrens } 483fa9e4066Sahrens 484fa9e4066Sahrens len = 0; 485fa9e4066Sahrens while (dbp != 0) { 486fa9e4066Sahrens if (mdb_vread(&db, sizeof (dmu_buf_impl_t), 487fa9e4066Sahrens dbp) == -1) { 488fa9e4066Sahrens mdb_warn("failed to read dbuf at %p", dbp); 489fa9e4066Sahrens return (DCMD_ERR); 490fa9e4066Sahrens } 491fa9e4066Sahrens dbp = (uintptr_t)db.db_hash_next; 492fa9e4066Sahrens for (i = MIN(len, HISTOSZ - 1); i >= 0; i--) 493fa9e4066Sahrens histo2[i]++; 494fa9e4066Sahrens len++; 495fa9e4066Sahrens ndbufs++; 496fa9e4066Sahrens } 497fa9e4066Sahrens 498fa9e4066Sahrens if (len >= HISTOSZ) 499fa9e4066Sahrens len = HISTOSZ-1; 500fa9e4066Sahrens histo[len]++; 501fa9e4066Sahrens } 502fa9e4066Sahrens 503fa9e4066Sahrens mdb_printf("hash table has %llu buckets, %llu dbufs " 504fa9e4066Sahrens "(avg %llu buckets/dbuf)\n", 505fa9e4066Sahrens ht.hash_table_mask+1, ndbufs, 506fa9e4066Sahrens (ht.hash_table_mask+1)/ndbufs); 507fa9e4066Sahrens 508fa9e4066Sahrens mdb_printf("\n"); 509fa9e4066Sahrens maxidx = 0; 510fa9e4066Sahrens for (i = 0; i < HISTOSZ; i++) 511fa9e4066Sahrens if (histo[i] > 0) 512fa9e4066Sahrens maxidx = i; 513fa9e4066Sahrens mdb_printf("hash chain length number of buckets\n"); 514fa9e4066Sahrens for (i = 0; i <= maxidx; i++) 515fa9e4066Sahrens mdb_printf("%u %llu\n", i, histo[i]); 516fa9e4066Sahrens 517fa9e4066Sahrens mdb_printf("\n"); 518fa9e4066Sahrens maxidx = 0; 519fa9e4066Sahrens for (i = 0; i < HISTOSZ; i++) 520fa9e4066Sahrens if (histo2[i] > 0) 521fa9e4066Sahrens maxidx = i; 522fa9e4066Sahrens mdb_printf("hash chain depth number of dbufs\n"); 523fa9e4066Sahrens for (i = 0; i <= maxidx; i++) 524fa9e4066Sahrens mdb_printf("%u or more %llu %llu%%\n", 525fa9e4066Sahrens i, histo2[i], histo2[i]*100/ndbufs); 526fa9e4066Sahrens 527fa9e4066Sahrens 528fa9e4066Sahrens return (DCMD_OK); 529fa9e4066Sahrens } 530fa9e4066Sahrens 5313f1f8012SMatthew Ahrens #define CHAIN_END 0xffff 5323f1f8012SMatthew Ahrens /* 5333f1f8012SMatthew Ahrens * ::zap_leaf [-v] 5343f1f8012SMatthew Ahrens * 5353f1f8012SMatthew Ahrens * Print a zap_leaf_phys_t, assumed to be 16k 5363f1f8012SMatthew Ahrens */ 5373f1f8012SMatthew Ahrens /* ARGSUSED */ 5383f1f8012SMatthew Ahrens static int 5393f1f8012SMatthew Ahrens zap_leaf(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 5403f1f8012SMatthew Ahrens { 5413f1f8012SMatthew Ahrens char buf[16*1024]; 5423f1f8012SMatthew Ahrens int verbose = B_FALSE; 5433f1f8012SMatthew Ahrens int four = B_FALSE; 5443f1f8012SMatthew Ahrens zap_leaf_t l; 5453f1f8012SMatthew Ahrens zap_leaf_phys_t *zlp = (void *)buf; 5463f1f8012SMatthew Ahrens int i; 5473f1f8012SMatthew Ahrens 5483f1f8012SMatthew Ahrens if (mdb_getopts(argc, argv, 5493f1f8012SMatthew Ahrens 'v', MDB_OPT_SETBITS, TRUE, &verbose, 5503f1f8012SMatthew Ahrens '4', MDB_OPT_SETBITS, TRUE, &four, 5513f1f8012SMatthew Ahrens NULL) != argc) 5523f1f8012SMatthew Ahrens return (DCMD_USAGE); 5533f1f8012SMatthew Ahrens 5543f1f8012SMatthew Ahrens l.l_phys = zlp; 5553f1f8012SMatthew Ahrens l.l_bs = 14; /* assume 16k blocks */ 5563f1f8012SMatthew Ahrens if (four) 5573f1f8012SMatthew Ahrens l.l_bs = 12; 5583f1f8012SMatthew Ahrens 5593f1f8012SMatthew Ahrens if (!(flags & DCMD_ADDRSPEC)) { 5603f1f8012SMatthew Ahrens return (DCMD_USAGE); 5613f1f8012SMatthew Ahrens } 5623f1f8012SMatthew Ahrens 5633f1f8012SMatthew Ahrens if (mdb_vread(buf, sizeof (buf), addr) == -1) { 5643f1f8012SMatthew Ahrens mdb_warn("failed to read zap_leaf_phys_t at %p", addr); 5653f1f8012SMatthew Ahrens return (DCMD_ERR); 5663f1f8012SMatthew Ahrens } 5673f1f8012SMatthew Ahrens 5683f1f8012SMatthew Ahrens if (zlp->l_hdr.lh_block_type != ZBT_LEAF || 5693f1f8012SMatthew Ahrens zlp->l_hdr.lh_magic != ZAP_LEAF_MAGIC) { 5703f1f8012SMatthew Ahrens mdb_warn("This does not appear to be a zap_leaf_phys_t"); 5713f1f8012SMatthew Ahrens return (DCMD_ERR); 5723f1f8012SMatthew Ahrens } 5733f1f8012SMatthew Ahrens 5743f1f8012SMatthew Ahrens mdb_printf("zap_leaf_phys_t at %p:\n", addr); 5753f1f8012SMatthew Ahrens mdb_printf(" lh_prefix_len = %u\n", zlp->l_hdr.lh_prefix_len); 5763f1f8012SMatthew Ahrens mdb_printf(" lh_prefix = %llx\n", zlp->l_hdr.lh_prefix); 5773f1f8012SMatthew Ahrens mdb_printf(" lh_nentries = %u\n", zlp->l_hdr.lh_nentries); 5783f1f8012SMatthew Ahrens mdb_printf(" lh_nfree = %u\n", zlp->l_hdr.lh_nfree, 5793f1f8012SMatthew Ahrens zlp->l_hdr.lh_nfree * 100 / (ZAP_LEAF_NUMCHUNKS(&l))); 5803f1f8012SMatthew Ahrens mdb_printf(" lh_freelist = %u\n", zlp->l_hdr.lh_freelist); 5813f1f8012SMatthew Ahrens mdb_printf(" lh_flags = %x (%s)\n", zlp->l_hdr.lh_flags, 5823f1f8012SMatthew Ahrens zlp->l_hdr.lh_flags & ZLF_ENTRIES_CDSORTED ? 5833f1f8012SMatthew Ahrens "ENTRIES_CDSORTED" : ""); 5843f1f8012SMatthew Ahrens 5853f1f8012SMatthew Ahrens if (verbose) { 5863f1f8012SMatthew Ahrens mdb_printf(" hash table:\n"); 5873f1f8012SMatthew Ahrens for (i = 0; i < ZAP_LEAF_HASH_NUMENTRIES(&l); i++) { 5883f1f8012SMatthew Ahrens if (zlp->l_hash[i] != CHAIN_END) 5893f1f8012SMatthew Ahrens mdb_printf(" %u: %u\n", i, zlp->l_hash[i]); 5903f1f8012SMatthew Ahrens } 5913f1f8012SMatthew Ahrens } 5923f1f8012SMatthew Ahrens 5933f1f8012SMatthew Ahrens mdb_printf(" chunks:\n"); 5943f1f8012SMatthew Ahrens for (i = 0; i < ZAP_LEAF_NUMCHUNKS(&l); i++) { 5953f1f8012SMatthew Ahrens /* LINTED: alignment */ 5963f1f8012SMatthew Ahrens zap_leaf_chunk_t *zlc = &ZAP_LEAF_CHUNK(&l, i); 5973f1f8012SMatthew Ahrens switch (zlc->l_entry.le_type) { 5983f1f8012SMatthew Ahrens case ZAP_CHUNK_FREE: 5993f1f8012SMatthew Ahrens if (verbose) { 6003f1f8012SMatthew Ahrens mdb_printf(" %u: free; lf_next = %u\n", 6013f1f8012SMatthew Ahrens i, zlc->l_free.lf_next); 6023f1f8012SMatthew Ahrens } 6033f1f8012SMatthew Ahrens break; 6043f1f8012SMatthew Ahrens case ZAP_CHUNK_ENTRY: 6053f1f8012SMatthew Ahrens mdb_printf(" %u: entry\n", i); 6063f1f8012SMatthew Ahrens if (verbose) { 6073f1f8012SMatthew Ahrens mdb_printf(" le_next = %u\n", 6083f1f8012SMatthew Ahrens zlc->l_entry.le_next); 6093f1f8012SMatthew Ahrens } 6103f1f8012SMatthew Ahrens mdb_printf(" le_name_chunk = %u\n", 6113f1f8012SMatthew Ahrens zlc->l_entry.le_name_chunk); 6123f1f8012SMatthew Ahrens mdb_printf(" le_name_numints = %u\n", 6133f1f8012SMatthew Ahrens zlc->l_entry.le_name_numints); 6143f1f8012SMatthew Ahrens mdb_printf(" le_value_chunk = %u\n", 6153f1f8012SMatthew Ahrens zlc->l_entry.le_value_chunk); 6163f1f8012SMatthew Ahrens mdb_printf(" le_value_intlen = %u\n", 6173f1f8012SMatthew Ahrens zlc->l_entry.le_value_intlen); 6183f1f8012SMatthew Ahrens mdb_printf(" le_value_numints = %u\n", 6193f1f8012SMatthew Ahrens zlc->l_entry.le_value_numints); 6203f1f8012SMatthew Ahrens mdb_printf(" le_cd = %u\n", 6213f1f8012SMatthew Ahrens zlc->l_entry.le_cd); 6223f1f8012SMatthew Ahrens mdb_printf(" le_hash = %llx\n", 6233f1f8012SMatthew Ahrens zlc->l_entry.le_hash); 6243f1f8012SMatthew Ahrens break; 6253f1f8012SMatthew Ahrens case ZAP_CHUNK_ARRAY: 6263f1f8012SMatthew Ahrens mdb_printf(" %u: array \"%s\"\n", 6273f1f8012SMatthew Ahrens i, zlc->l_array.la_array); 6283f1f8012SMatthew Ahrens if (verbose) { 6293f1f8012SMatthew Ahrens int j; 6303f1f8012SMatthew Ahrens mdb_printf(" "); 6313f1f8012SMatthew Ahrens for (j = 0; j < ZAP_LEAF_ARRAY_BYTES; j++) { 6323f1f8012SMatthew Ahrens mdb_printf("%02x ", 6333f1f8012SMatthew Ahrens zlc->l_array.la_array[j]); 6343f1f8012SMatthew Ahrens } 6353f1f8012SMatthew Ahrens mdb_printf("\n"); 6363f1f8012SMatthew Ahrens } 6373f1f8012SMatthew Ahrens if (zlc->l_array.la_next != CHAIN_END) { 6383f1f8012SMatthew Ahrens mdb_printf(" lf_next = %u\n", 6393f1f8012SMatthew Ahrens zlc->l_array.la_next); 6403f1f8012SMatthew Ahrens } 6413f1f8012SMatthew Ahrens break; 6423f1f8012SMatthew Ahrens default: 6433f1f8012SMatthew Ahrens mdb_printf(" %u: undefined type %u\n", 6443f1f8012SMatthew Ahrens zlc->l_entry.le_type); 6453f1f8012SMatthew Ahrens } 6463f1f8012SMatthew Ahrens } 6473f1f8012SMatthew Ahrens 6483f1f8012SMatthew Ahrens return (DCMD_OK); 6493f1f8012SMatthew Ahrens } 6503f1f8012SMatthew Ahrens 651fa9e4066Sahrens typedef struct dbufs_data { 652fa9e4066Sahrens mdb_ctf_id_t id; 653fa9e4066Sahrens uint64_t objset; 654fa9e4066Sahrens uint64_t object; 655fa9e4066Sahrens uint64_t level; 656fa9e4066Sahrens uint64_t blkid; 657fa9e4066Sahrens char *osname; 658fa9e4066Sahrens } dbufs_data_t; 659fa9e4066Sahrens 660fa9e4066Sahrens #define DBUFS_UNSET (0xbaddcafedeadbeefULL) 661fa9e4066Sahrens 662fa9e4066Sahrens /* ARGSUSED */ 663fa9e4066Sahrens static int 664fa9e4066Sahrens dbufs_cb(uintptr_t addr, const void *unknown, void *arg) 665fa9e4066Sahrens { 666fa9e4066Sahrens dbufs_data_t *data = arg; 667fa9e4066Sahrens uintptr_t objset; 668fa9e4066Sahrens dmu_buf_t db; 669fa9e4066Sahrens uint8_t level; 670fa9e4066Sahrens uint64_t blkid; 671fa9e4066Sahrens char osname[MAXNAMELEN]; 672fa9e4066Sahrens 673fa9e4066Sahrens if (GETMEMBID(addr, &data->id, db_objset, objset) || 674fa9e4066Sahrens GETMEMBID(addr, &data->id, db, db) || 675fa9e4066Sahrens GETMEMBID(addr, &data->id, db_level, level) || 676fa9e4066Sahrens GETMEMBID(addr, &data->id, db_blkid, blkid)) { 677fa9e4066Sahrens return (WALK_ERR); 678fa9e4066Sahrens } 679fa9e4066Sahrens 680fa9e4066Sahrens if ((data->objset == DBUFS_UNSET || data->objset == objset) && 681fa9e4066Sahrens (data->osname == NULL || (objset_name(objset, osname) == 0 && 682ccae0b50Seschrock strcmp(data->osname, osname) == 0)) && 683fa9e4066Sahrens (data->object == DBUFS_UNSET || data->object == db.db_object) && 684fa9e4066Sahrens (data->level == DBUFS_UNSET || data->level == level) && 685fa9e4066Sahrens (data->blkid == DBUFS_UNSET || data->blkid == blkid)) { 686fa9e4066Sahrens mdb_printf("%#lr\n", addr); 687fa9e4066Sahrens } 688fa9e4066Sahrens return (WALK_NEXT); 689fa9e4066Sahrens } 690fa9e4066Sahrens 691fa9e4066Sahrens /* ARGSUSED */ 692fa9e4066Sahrens static int 693fa9e4066Sahrens dbufs(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 694fa9e4066Sahrens { 695fa9e4066Sahrens dbufs_data_t data; 696fa9e4066Sahrens char *object = NULL; 697fa9e4066Sahrens char *blkid = NULL; 698fa9e4066Sahrens 699fa9e4066Sahrens data.objset = data.object = data.level = data.blkid = DBUFS_UNSET; 700fa9e4066Sahrens data.osname = NULL; 701fa9e4066Sahrens 702fa9e4066Sahrens if (mdb_getopts(argc, argv, 703fa9e4066Sahrens 'O', MDB_OPT_UINT64, &data.objset, 704fa9e4066Sahrens 'n', MDB_OPT_STR, &data.osname, 705fa9e4066Sahrens 'o', MDB_OPT_STR, &object, 706fa9e4066Sahrens 'l', MDB_OPT_UINT64, &data.level, 707fa9e4066Sahrens 'b', MDB_OPT_STR, &blkid) != argc) { 708fa9e4066Sahrens return (DCMD_USAGE); 709fa9e4066Sahrens } 710fa9e4066Sahrens 711fa9e4066Sahrens if (object) { 712fa9e4066Sahrens if (strcmp(object, "mdn") == 0) { 713fa9e4066Sahrens data.object = DMU_META_DNODE_OBJECT; 714fa9e4066Sahrens } else { 715fa9e4066Sahrens data.object = mdb_strtoull(object); 716fa9e4066Sahrens } 717fa9e4066Sahrens } 718fa9e4066Sahrens 719fa9e4066Sahrens if (blkid) { 720fa9e4066Sahrens if (strcmp(blkid, "bonus") == 0) { 721*0a586ceaSMark Shellenbaum data.blkid = DMU_BONUS_BLKID; 722fa9e4066Sahrens } else { 723fa9e4066Sahrens data.blkid = mdb_strtoull(blkid); 724fa9e4066Sahrens } 725fa9e4066Sahrens } 726fa9e4066Sahrens 727fa9e4066Sahrens if (mdb_ctf_lookup_by_name("struct dmu_buf_impl", &data.id) == -1) { 728fa9e4066Sahrens mdb_warn("couldn't find struct dmu_buf_impl_t"); 729fa9e4066Sahrens return (DCMD_ERR); 730fa9e4066Sahrens } 731fa9e4066Sahrens 7325f5f7a6fSahrens if (mdb_walk("dmu_buf_impl_t", dbufs_cb, &data) != 0) { 733fa9e4066Sahrens mdb_warn("can't walk dbufs"); 734fa9e4066Sahrens return (DCMD_ERR); 735fa9e4066Sahrens } 736fa9e4066Sahrens 737fa9e4066Sahrens return (DCMD_OK); 738fa9e4066Sahrens } 739fa9e4066Sahrens 740fa9e4066Sahrens typedef struct abuf_find_data { 741fa9e4066Sahrens dva_t dva; 742fa9e4066Sahrens mdb_ctf_id_t id; 743fa9e4066Sahrens } abuf_find_data_t; 744fa9e4066Sahrens 745fa9e4066Sahrens /* ARGSUSED */ 746fa9e4066Sahrens static int 747fa9e4066Sahrens abuf_find_cb(uintptr_t addr, const void *unknown, void *arg) 748fa9e4066Sahrens { 749fa9e4066Sahrens abuf_find_data_t *data = arg; 750fa9e4066Sahrens dva_t dva; 751fa9e4066Sahrens 752fa9e4066Sahrens if (GETMEMBID(addr, &data->id, b_dva, dva)) { 753fa9e4066Sahrens return (WALK_ERR); 754fa9e4066Sahrens } 755fa9e4066Sahrens 756fa9e4066Sahrens if (dva.dva_word[0] == data->dva.dva_word[0] && 757fa9e4066Sahrens dva.dva_word[1] == data->dva.dva_word[1]) { 758fa9e4066Sahrens mdb_printf("%#lr\n", addr); 759fa9e4066Sahrens } 760fa9e4066Sahrens return (WALK_NEXT); 761fa9e4066Sahrens } 762fa9e4066Sahrens 763fa9e4066Sahrens /* ARGSUSED */ 764fa9e4066Sahrens static int 765fa9e4066Sahrens abuf_find(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 766fa9e4066Sahrens { 767fa9e4066Sahrens abuf_find_data_t data; 768fa9e4066Sahrens GElf_Sym sym; 769fa9e4066Sahrens int i; 770fa9e4066Sahrens const char *syms[] = { 771a2eea2e1Sahrens "ARC_mru", 772a2eea2e1Sahrens "ARC_mru_ghost", 773a2eea2e1Sahrens "ARC_mfu", 774a2eea2e1Sahrens "ARC_mfu_ghost", 775fa9e4066Sahrens }; 776fa9e4066Sahrens 777fa9e4066Sahrens if (argc != 2) 778fa9e4066Sahrens return (DCMD_USAGE); 779fa9e4066Sahrens 780fa9e4066Sahrens for (i = 0; i < 2; i ++) { 781fa9e4066Sahrens switch (argv[i].a_type) { 782fa9e4066Sahrens case MDB_TYPE_STRING: 783fa9e4066Sahrens data.dva.dva_word[i] = mdb_strtoull(argv[i].a_un.a_str); 784fa9e4066Sahrens break; 785fa9e4066Sahrens case MDB_TYPE_IMMEDIATE: 786fa9e4066Sahrens data.dva.dva_word[i] = argv[i].a_un.a_val; 787fa9e4066Sahrens break; 788fa9e4066Sahrens default: 789fa9e4066Sahrens return (DCMD_USAGE); 790fa9e4066Sahrens } 791fa9e4066Sahrens } 792fa9e4066Sahrens 793fa9e4066Sahrens if (mdb_ctf_lookup_by_name("struct arc_buf_hdr", &data.id) == -1) { 794fa9e4066Sahrens mdb_warn("couldn't find struct arc_buf_hdr"); 795fa9e4066Sahrens return (DCMD_ERR); 796fa9e4066Sahrens } 797fa9e4066Sahrens 798fa9e4066Sahrens for (i = 0; i < sizeof (syms) / sizeof (syms[0]); i++) { 799fa9e4066Sahrens if (mdb_lookup_by_name(syms[i], &sym)) { 800fa9e4066Sahrens mdb_warn("can't find symbol %s", syms[i]); 801fa9e4066Sahrens return (DCMD_ERR); 802fa9e4066Sahrens } 803fa9e4066Sahrens 804fa9e4066Sahrens if (mdb_pwalk("list", abuf_find_cb, &data, sym.st_value) != 0) { 805fa9e4066Sahrens mdb_warn("can't walk %s", syms[i]); 806fa9e4066Sahrens return (DCMD_ERR); 807fa9e4066Sahrens } 808fa9e4066Sahrens } 809fa9e4066Sahrens 810fa9e4066Sahrens return (DCMD_OK); 811fa9e4066Sahrens } 812fa9e4066Sahrens 81344cb6abcSbmc /*ARGSUSED*/ 81444cb6abcSbmc static int 81544cb6abcSbmc arc_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 81644cb6abcSbmc { 81744cb6abcSbmc kstat_named_t *stats; 81844cb6abcSbmc GElf_Sym sym; 81991ebeef5Sahrens int nstats, i; 82044cb6abcSbmc uint_t opt_a = FALSE; 82191ebeef5Sahrens uint_t opt_b = FALSE; 82291ebeef5Sahrens uint_t shift = 0; 82391ebeef5Sahrens const char *suffix; 82444cb6abcSbmc 82591ebeef5Sahrens static const char *bytestats[] = { 82691ebeef5Sahrens "p", "c", "c_min", "c_max", "size", NULL 82791ebeef5Sahrens }; 82891ebeef5Sahrens 82991ebeef5Sahrens static const char *extras[] = { 83091ebeef5Sahrens "arc_no_grow", "arc_tempreserve", 83191ebeef5Sahrens "arc_meta_used", "arc_meta_limit", "arc_meta_max", 83291ebeef5Sahrens NULL 83344cb6abcSbmc }; 83444cb6abcSbmc 83544cb6abcSbmc if (mdb_lookup_by_name("arc_stats", &sym) == -1) { 83644cb6abcSbmc mdb_warn("failed to find 'arc_stats'"); 83744cb6abcSbmc return (DCMD_ERR); 83844cb6abcSbmc } 83944cb6abcSbmc 84044cb6abcSbmc stats = mdb_zalloc(sym.st_size, UM_SLEEP | UM_GC); 84144cb6abcSbmc 84244cb6abcSbmc if (mdb_vread(stats, sym.st_size, sym.st_value) == -1) { 84344cb6abcSbmc mdb_warn("couldn't read 'arc_stats' at %p", sym.st_value); 84444cb6abcSbmc return (DCMD_ERR); 84544cb6abcSbmc } 84644cb6abcSbmc 84744cb6abcSbmc nstats = sym.st_size / sizeof (kstat_named_t); 84844cb6abcSbmc 84991ebeef5Sahrens /* NB: -a / opt_a are ignored for backwards compatability */ 85091ebeef5Sahrens if (mdb_getopts(argc, argv, 85191ebeef5Sahrens 'a', MDB_OPT_SETBITS, TRUE, &opt_a, 85291ebeef5Sahrens 'b', MDB_OPT_SETBITS, TRUE, &opt_b, 85391ebeef5Sahrens 'k', MDB_OPT_SETBITS, 10, &shift, 85491ebeef5Sahrens 'm', MDB_OPT_SETBITS, 20, &shift, 85591ebeef5Sahrens 'g', MDB_OPT_SETBITS, 30, &shift, 85691ebeef5Sahrens NULL) != argc) 85744cb6abcSbmc return (DCMD_USAGE); 85844cb6abcSbmc 85991ebeef5Sahrens if (!opt_b && !shift) 86091ebeef5Sahrens shift = 20; 86191ebeef5Sahrens 86291ebeef5Sahrens switch (shift) { 86391ebeef5Sahrens case 0: 86491ebeef5Sahrens suffix = "B"; 86591ebeef5Sahrens break; 86691ebeef5Sahrens case 10: 86791ebeef5Sahrens suffix = "KB"; 86891ebeef5Sahrens break; 86991ebeef5Sahrens case 20: 87091ebeef5Sahrens suffix = "MB"; 87191ebeef5Sahrens break; 87291ebeef5Sahrens case 30: 87391ebeef5Sahrens suffix = "GB"; 87491ebeef5Sahrens break; 87591ebeef5Sahrens default: 87691ebeef5Sahrens suffix = "XX"; 87791ebeef5Sahrens } 87891ebeef5Sahrens 87991ebeef5Sahrens for (i = 0; i < nstats; i++) { 88091ebeef5Sahrens int j; 88191ebeef5Sahrens boolean_t bytes = B_FALSE; 88291ebeef5Sahrens 88391ebeef5Sahrens for (j = 0; bytestats[j]; j++) { 88491ebeef5Sahrens if (strcmp(stats[i].name, bytestats[j]) == 0) { 88591ebeef5Sahrens bytes = B_TRUE; 88691ebeef5Sahrens break; 88791ebeef5Sahrens } 88891ebeef5Sahrens } 88944cb6abcSbmc 89091ebeef5Sahrens if (bytes) { 89191ebeef5Sahrens mdb_printf("%-25s = %9llu %s\n", stats[i].name, 89291ebeef5Sahrens stats[i].value.ui64 >> shift, suffix); 89391ebeef5Sahrens } else { 89491ebeef5Sahrens mdb_printf("%-25s = %9llu\n", stats[i].name, 89544cb6abcSbmc stats[i].value.ui64); 89644cb6abcSbmc } 89744cb6abcSbmc } 89844cb6abcSbmc 89991ebeef5Sahrens for (i = 0; extras[i]; i++) { 90091ebeef5Sahrens uint64_t buf; 90144cb6abcSbmc 90291ebeef5Sahrens if (mdb_lookup_by_name(extras[i], &sym) == -1) { 90391ebeef5Sahrens mdb_warn("failed to find '%s'", extras[i]); 90491ebeef5Sahrens return (DCMD_ERR); 90544cb6abcSbmc } 90644cb6abcSbmc 90791ebeef5Sahrens if (sym.st_size != sizeof (uint64_t) && 90891ebeef5Sahrens sym.st_size != sizeof (uint32_t)) { 90991ebeef5Sahrens mdb_warn("expected scalar for variable '%s'\n", 91091ebeef5Sahrens extras[i]); 91191ebeef5Sahrens return (DCMD_ERR); 91244cb6abcSbmc } 91344cb6abcSbmc 91491ebeef5Sahrens if (mdb_vread(&buf, sym.st_size, sym.st_value) == -1) { 91591ebeef5Sahrens mdb_warn("couldn't read '%s'", extras[i]); 91691ebeef5Sahrens return (DCMD_ERR); 91744cb6abcSbmc } 91844cb6abcSbmc 91991ebeef5Sahrens mdb_printf("%-25s = ", extras[i]); 92091ebeef5Sahrens 92191ebeef5Sahrens /* NB: all the 64-bit extras happen to be byte counts */ 92291ebeef5Sahrens if (sym.st_size == sizeof (uint64_t)) 92391ebeef5Sahrens mdb_printf("%9llu %s\n", buf >> shift, suffix); 92444cb6abcSbmc 92591ebeef5Sahrens if (sym.st_size == sizeof (uint32_t)) 92691ebeef5Sahrens mdb_printf("%9d\n", *((uint32_t *)&buf)); 92791ebeef5Sahrens } 92844cb6abcSbmc return (DCMD_OK); 92944cb6abcSbmc } 93044cb6abcSbmc 931fa9e4066Sahrens /* 932fa9e4066Sahrens * ::spa 933fa9e4066Sahrens * 934fa9e4066Sahrens * -c Print configuration information as well 935fa9e4066Sahrens * -v Print vdev state 936fa9e4066Sahrens * -e Print vdev error stats 937fa9e4066Sahrens * 938fa9e4066Sahrens * Print a summarized spa_t. When given no arguments, prints out a table of all 939fa9e4066Sahrens * active pools on the system. 940fa9e4066Sahrens */ 941fa9e4066Sahrens /* ARGSUSED */ 942fa9e4066Sahrens static int 943fa9e4066Sahrens spa_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 944fa9e4066Sahrens { 945fa9e4066Sahrens spa_t spa; 946fa9e4066Sahrens const char *statetab[] = { "ACTIVE", "EXPORTED", "DESTROYED", 947e14bb325SJeff Bonwick "SPARE", "L2CACHE", "UNINIT", "UNAVAIL", "POTENTIAL" }; 948fa9e4066Sahrens const char *state; 949fa9e4066Sahrens int config = FALSE; 950fa9e4066Sahrens int vdevs = FALSE; 951fa9e4066Sahrens int errors = FALSE; 952fa9e4066Sahrens 953fa9e4066Sahrens if (mdb_getopts(argc, argv, 954fa9e4066Sahrens 'c', MDB_OPT_SETBITS, TRUE, &config, 955fa9e4066Sahrens 'v', MDB_OPT_SETBITS, TRUE, &vdevs, 956fa9e4066Sahrens 'e', MDB_OPT_SETBITS, TRUE, &errors, 957fa9e4066Sahrens NULL) != argc) 958fa9e4066Sahrens return (DCMD_USAGE); 959fa9e4066Sahrens 960fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) { 961fa9e4066Sahrens if (mdb_walk_dcmd("spa", "spa", argc, argv) == -1) { 962fa9e4066Sahrens mdb_warn("can't walk spa"); 963fa9e4066Sahrens return (DCMD_ERR); 964fa9e4066Sahrens } 965fa9e4066Sahrens 966fa9e4066Sahrens return (DCMD_OK); 967fa9e4066Sahrens } 968fa9e4066Sahrens 969fa9e4066Sahrens if (flags & DCMD_PIPE_OUT) { 970fa9e4066Sahrens mdb_printf("%#lr\n", addr); 971fa9e4066Sahrens return (DCMD_OK); 972fa9e4066Sahrens } 973fa9e4066Sahrens 974fa9e4066Sahrens if (DCMD_HDRSPEC(flags)) 975fa9e4066Sahrens mdb_printf("%<u>%-?s %9s %-*s%</u>\n", "ADDR", "STATE", 976fa9e4066Sahrens sizeof (uintptr_t) == 4 ? 60 : 52, "NAME"); 977fa9e4066Sahrens 978fa9e4066Sahrens if (mdb_vread(&spa, sizeof (spa), addr) == -1) { 979fa9e4066Sahrens mdb_warn("failed to read spa_t at %p", addr); 980fa9e4066Sahrens return (DCMD_ERR); 981fa9e4066Sahrens } 982fa9e4066Sahrens 983fa9e4066Sahrens if (spa.spa_state < 0 || spa.spa_state > POOL_STATE_UNAVAIL) 984ea8dc4b6Seschrock state = "UNKNOWN"; 985fa9e4066Sahrens else 986fa9e4066Sahrens state = statetab[spa.spa_state]; 987fa9e4066Sahrens 988e14bb325SJeff Bonwick mdb_printf("%0?p %9s %s\n", addr, state, spa.spa_name); 989fa9e4066Sahrens 990fa9e4066Sahrens if (config) { 991fa9e4066Sahrens mdb_printf("\n"); 992fa9e4066Sahrens mdb_inc_indent(4); 993fa9e4066Sahrens if (mdb_call_dcmd("spa_config", addr, flags, 0, 994fa9e4066Sahrens NULL) != DCMD_OK) 995fa9e4066Sahrens return (DCMD_ERR); 996fa9e4066Sahrens mdb_dec_indent(4); 997fa9e4066Sahrens } 998fa9e4066Sahrens 999fa9e4066Sahrens if (vdevs || errors) { 1000fa9e4066Sahrens mdb_arg_t v; 1001fa9e4066Sahrens 1002fa9e4066Sahrens v.a_type = MDB_TYPE_STRING; 1003fa9e4066Sahrens v.a_un.a_str = "-e"; 1004fa9e4066Sahrens 1005fa9e4066Sahrens mdb_printf("\n"); 1006fa9e4066Sahrens mdb_inc_indent(4); 1007fa9e4066Sahrens if (mdb_call_dcmd("spa_vdevs", addr, flags, errors ? 1 : 0, 1008fa9e4066Sahrens &v) != DCMD_OK) 1009fa9e4066Sahrens return (DCMD_ERR); 1010fa9e4066Sahrens mdb_dec_indent(4); 1011fa9e4066Sahrens } 1012fa9e4066Sahrens 1013fa9e4066Sahrens return (DCMD_OK); 1014fa9e4066Sahrens } 1015fa9e4066Sahrens 1016fa9e4066Sahrens /* 1017fa9e4066Sahrens * ::spa_config 1018fa9e4066Sahrens * 1019fa9e4066Sahrens * Given a spa_t, print the configuration information stored in spa_config. 1020fa9e4066Sahrens * Since it's just an nvlist, format it as an indented list of name=value pairs. 1021fa9e4066Sahrens * We simply read the value of spa_config and pass off to ::nvlist. 1022fa9e4066Sahrens */ 1023fa9e4066Sahrens /* ARGSUSED */ 1024fa9e4066Sahrens static int 1025fa9e4066Sahrens spa_print_config(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1026fa9e4066Sahrens { 1027fa9e4066Sahrens spa_t spa; 1028fa9e4066Sahrens 1029fa9e4066Sahrens if (argc != 0 || !(flags & DCMD_ADDRSPEC)) 1030fa9e4066Sahrens return (DCMD_USAGE); 1031fa9e4066Sahrens 1032fa9e4066Sahrens if (mdb_vread(&spa, sizeof (spa), addr) == -1) { 1033fa9e4066Sahrens mdb_warn("failed to read spa_t at %p", addr); 1034fa9e4066Sahrens return (DCMD_ERR); 1035fa9e4066Sahrens } 1036fa9e4066Sahrens 1037fa9e4066Sahrens if (spa.spa_config == NULL) { 1038fa9e4066Sahrens mdb_printf("(none)\n"); 1039fa9e4066Sahrens return (DCMD_OK); 1040fa9e4066Sahrens } 1041fa9e4066Sahrens 1042fa9e4066Sahrens return (mdb_call_dcmd("nvlist", (uintptr_t)spa.spa_config, flags, 1043fa9e4066Sahrens 0, NULL)); 1044fa9e4066Sahrens } 1045fa9e4066Sahrens 1046fa9e4066Sahrens /* 1047fa9e4066Sahrens * ::vdev 1048fa9e4066Sahrens * 1049fa9e4066Sahrens * Print out a summarized vdev_t, in the following form: 1050fa9e4066Sahrens * 1051fa9e4066Sahrens * ADDR STATE AUX DESC 1052fa9e4066Sahrens * fffffffbcde23df0 HEALTHY - /dev/dsk/c0t0d0 1053fa9e4066Sahrens * 1054fa9e4066Sahrens * If '-r' is specified, recursively visit all children. 1055fa9e4066Sahrens * 1056fa9e4066Sahrens * With '-e', the statistics associated with the vdev are printed as well. 1057fa9e4066Sahrens */ 1058fa9e4066Sahrens static int 1059614409b5Sahrens do_print_vdev(uintptr_t addr, int flags, int depth, int stats, 1060fa9e4066Sahrens int recursive) 1061fa9e4066Sahrens { 1062fa9e4066Sahrens vdev_t vdev; 1063fa9e4066Sahrens char desc[MAXNAMELEN]; 1064fa9e4066Sahrens int c, children; 1065fa9e4066Sahrens uintptr_t *child; 1066fa9e4066Sahrens const char *state, *aux; 1067fa9e4066Sahrens 1068fa9e4066Sahrens if (mdb_vread(&vdev, sizeof (vdev), (uintptr_t)addr) == -1) { 1069fa9e4066Sahrens mdb_warn("failed to read vdev_t at %p\n", (uintptr_t)addr); 1070fa9e4066Sahrens return (DCMD_ERR); 1071fa9e4066Sahrens } 1072fa9e4066Sahrens 1073fa9e4066Sahrens if (flags & DCMD_PIPE_OUT) { 1074fa9e4066Sahrens mdb_printf("%#lr", addr); 1075fa9e4066Sahrens } else { 1076fa9e4066Sahrens if (vdev.vdev_path != NULL) { 1077fa9e4066Sahrens if (mdb_readstr(desc, sizeof (desc), 1078fa9e4066Sahrens (uintptr_t)vdev.vdev_path) == -1) { 1079fa9e4066Sahrens mdb_warn("failed to read vdev_path at %p\n", 1080fa9e4066Sahrens vdev.vdev_path); 1081fa9e4066Sahrens return (DCMD_ERR); 1082fa9e4066Sahrens } 1083fa9e4066Sahrens } else if (vdev.vdev_ops != NULL) { 1084fa9e4066Sahrens vdev_ops_t ops; 1085fa9e4066Sahrens if (mdb_vread(&ops, sizeof (ops), 1086fa9e4066Sahrens (uintptr_t)vdev.vdev_ops) == -1) { 1087fa9e4066Sahrens mdb_warn("failed to read vdev_ops at %p\n", 1088fa9e4066Sahrens vdev.vdev_ops); 1089fa9e4066Sahrens return (DCMD_ERR); 1090fa9e4066Sahrens } 1091fa9e4066Sahrens (void) strcpy(desc, ops.vdev_op_type); 1092fa9e4066Sahrens } else { 1093fa9e4066Sahrens (void) strcpy(desc, "<unknown>"); 1094fa9e4066Sahrens } 1095fa9e4066Sahrens 1096fa9e4066Sahrens if (depth == 0 && DCMD_HDRSPEC(flags)) 1097fa9e4066Sahrens mdb_printf("%<u>%-?s %-9s %-12s %-*s%</u>\n", 1098fa9e4066Sahrens "ADDR", "STATE", "AUX", 1099fa9e4066Sahrens sizeof (uintptr_t) == 4 ? 43 : 35, 1100fa9e4066Sahrens "DESCRIPTION"); 1101fa9e4066Sahrens 1102fa9e4066Sahrens mdb_printf("%0?p ", addr); 1103fa9e4066Sahrens 1104fa9e4066Sahrens switch (vdev.vdev_state) { 1105fa9e4066Sahrens case VDEV_STATE_CLOSED: 1106ccae0b50Seschrock state = "CLOSED"; 1107ccae0b50Seschrock break; 1108fa9e4066Sahrens case VDEV_STATE_OFFLINE: 1109ccae0b50Seschrock state = "OFFLINE"; 1110ccae0b50Seschrock break; 1111fa9e4066Sahrens case VDEV_STATE_CANT_OPEN: 1112ccae0b50Seschrock state = "CANT_OPEN"; 1113ccae0b50Seschrock break; 1114fa9e4066Sahrens case VDEV_STATE_DEGRADED: 1115ccae0b50Seschrock state = "DEGRADED"; 1116ccae0b50Seschrock break; 1117fa9e4066Sahrens case VDEV_STATE_HEALTHY: 1118ccae0b50Seschrock state = "HEALTHY"; 1119ccae0b50Seschrock break; 11203d7072f8Seschrock case VDEV_STATE_REMOVED: 11213d7072f8Seschrock state = "REMOVED"; 11223d7072f8Seschrock break; 11233d7072f8Seschrock case VDEV_STATE_FAULTED: 11243d7072f8Seschrock state = "FAULTED"; 11253d7072f8Seschrock break; 1126fa9e4066Sahrens default: 1127ccae0b50Seschrock state = "UNKNOWN"; 1128ccae0b50Seschrock break; 1129fa9e4066Sahrens } 1130fa9e4066Sahrens 1131fa9e4066Sahrens switch (vdev.vdev_stat.vs_aux) { 1132fa9e4066Sahrens case VDEV_AUX_NONE: 1133fa9e4066Sahrens aux = "-"; 1134fa9e4066Sahrens break; 1135fa9e4066Sahrens case VDEV_AUX_OPEN_FAILED: 1136fa9e4066Sahrens aux = "OPEN_FAILED"; 1137fa9e4066Sahrens break; 1138fa9e4066Sahrens case VDEV_AUX_CORRUPT_DATA: 1139fa9e4066Sahrens aux = "CORRUPT_DATA"; 1140fa9e4066Sahrens break; 1141fa9e4066Sahrens case VDEV_AUX_NO_REPLICAS: 1142fa9e4066Sahrens aux = "NO_REPLICAS"; 1143fa9e4066Sahrens break; 1144fa9e4066Sahrens case VDEV_AUX_BAD_GUID_SUM: 1145fa9e4066Sahrens aux = "BAD_GUID_SUM"; 1146fa9e4066Sahrens break; 1147fa9e4066Sahrens case VDEV_AUX_TOO_SMALL: 1148fa9e4066Sahrens aux = "TOO_SMALL"; 1149fa9e4066Sahrens break; 1150fa9e4066Sahrens case VDEV_AUX_BAD_LABEL: 1151fa9e4066Sahrens aux = "BAD_LABEL"; 1152fa9e4066Sahrens break; 1153b87f3af3Sperrin case VDEV_AUX_VERSION_NEWER: 1154b87f3af3Sperrin aux = "VERS_NEWER"; 1155b87f3af3Sperrin break; 1156b87f3af3Sperrin case VDEV_AUX_VERSION_OLDER: 1157b87f3af3Sperrin aux = "VERS_OLDER"; 1158b87f3af3Sperrin break; 1159b87f3af3Sperrin case VDEV_AUX_SPARED: 1160b87f3af3Sperrin aux = "SPARED"; 1161b87f3af3Sperrin break; 1162b87f3af3Sperrin case VDEV_AUX_ERR_EXCEEDED: 1163b87f3af3Sperrin aux = "ERR_EXCEEDED"; 1164b87f3af3Sperrin break; 1165b87f3af3Sperrin case VDEV_AUX_IO_FAILURE: 1166b87f3af3Sperrin aux = "IO_FAILURE"; 1167b87f3af3Sperrin break; 1168b87f3af3Sperrin case VDEV_AUX_BAD_LOG: 1169b87f3af3Sperrin aux = "BAD_LOG"; 1170b87f3af3Sperrin break; 11711195e687SMark J Musante case VDEV_AUX_EXTERNAL: 11721195e687SMark J Musante aux = "EXTERNAL"; 11731195e687SMark J Musante break; 11741195e687SMark J Musante case VDEV_AUX_SPLIT_POOL: 11751195e687SMark J Musante aux = "SPLIT_POOL"; 11761195e687SMark J Musante break; 1177fa9e4066Sahrens default: 1178fa9e4066Sahrens aux = "UNKNOWN"; 1179fa9e4066Sahrens break; 1180fa9e4066Sahrens } 1181fa9e4066Sahrens 1182fa9e4066Sahrens mdb_printf("%-9s %-12s %*s%s\n", state, aux, depth, "", desc); 1183fa9e4066Sahrens 1184fa9e4066Sahrens if (stats) { 1185fa9e4066Sahrens vdev_stat_t *vs = &vdev.vdev_stat; 1186fa9e4066Sahrens int i; 1187fa9e4066Sahrens 1188fa9e4066Sahrens mdb_inc_indent(4); 1189fa9e4066Sahrens mdb_printf("\n"); 1190fa9e4066Sahrens mdb_printf("%<u> %12s %12s %12s %12s " 1191fa9e4066Sahrens "%12s%</u>\n", "READ", "WRITE", "FREE", "CLAIM", 1192fa9e4066Sahrens "IOCTL"); 1193fa9e4066Sahrens mdb_printf("OPS "); 1194fa9e4066Sahrens for (i = 1; i < ZIO_TYPES; i++) 1195fa9e4066Sahrens mdb_printf("%11#llx%s", vs->vs_ops[i], 1196fa9e4066Sahrens i == ZIO_TYPES - 1 ? "" : " "); 1197fa9e4066Sahrens mdb_printf("\n"); 1198fa9e4066Sahrens mdb_printf("BYTES "); 1199fa9e4066Sahrens for (i = 1; i < ZIO_TYPES; i++) 1200fa9e4066Sahrens mdb_printf("%11#llx%s", vs->vs_bytes[i], 1201fa9e4066Sahrens i == ZIO_TYPES - 1 ? "" : " "); 1202fa9e4066Sahrens 1203fa9e4066Sahrens 1204fa9e4066Sahrens mdb_printf("\n"); 1205fa9e4066Sahrens mdb_printf("EREAD %10#llx\n", vs->vs_read_errors); 1206fa9e4066Sahrens mdb_printf("EWRITE %10#llx\n", vs->vs_write_errors); 1207fa9e4066Sahrens mdb_printf("ECKSUM %10#llx\n", 1208fa9e4066Sahrens vs->vs_checksum_errors); 1209fa9e4066Sahrens mdb_dec_indent(4); 1210fa9e4066Sahrens } 1211fa9e4066Sahrens 1212614409b5Sahrens if (stats) 1213fa9e4066Sahrens mdb_printf("\n"); 1214fa9e4066Sahrens } 1215fa9e4066Sahrens 1216fa9e4066Sahrens children = vdev.vdev_children; 1217fa9e4066Sahrens 1218fa9e4066Sahrens if (children == 0 || !recursive) 1219fa9e4066Sahrens return (DCMD_OK); 1220fa9e4066Sahrens 1221fa9e4066Sahrens child = mdb_alloc(children * sizeof (void *), UM_SLEEP | UM_GC); 1222fa9e4066Sahrens if (mdb_vread(child, children * sizeof (void *), 1223fa9e4066Sahrens (uintptr_t)vdev.vdev_child) == -1) { 1224fa9e4066Sahrens mdb_warn("failed to read vdev children at %p", vdev.vdev_child); 1225fa9e4066Sahrens return (DCMD_ERR); 1226fa9e4066Sahrens } 1227fa9e4066Sahrens 1228fa9e4066Sahrens for (c = 0; c < children; c++) { 1229614409b5Sahrens if (do_print_vdev(child[c], flags, depth + 2, stats, 1230fa9e4066Sahrens recursive)) 1231fa9e4066Sahrens return (DCMD_ERR); 1232fa9e4066Sahrens } 1233fa9e4066Sahrens 1234fa9e4066Sahrens return (DCMD_OK); 1235fa9e4066Sahrens } 1236fa9e4066Sahrens 1237fa9e4066Sahrens static int 1238fa9e4066Sahrens vdev_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1239fa9e4066Sahrens { 1240fa9e4066Sahrens int recursive = FALSE; 1241fa9e4066Sahrens int stats = FALSE; 1242c5904d13Seschrock uint64_t depth = 0; 1243fa9e4066Sahrens 1244fa9e4066Sahrens if (mdb_getopts(argc, argv, 1245fa9e4066Sahrens 'r', MDB_OPT_SETBITS, TRUE, &recursive, 1246fa9e4066Sahrens 'e', MDB_OPT_SETBITS, TRUE, &stats, 1247c5904d13Seschrock 'd', MDB_OPT_UINT64, &depth, 1248fa9e4066Sahrens NULL) != argc) 1249fa9e4066Sahrens return (DCMD_USAGE); 1250fa9e4066Sahrens 1251fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) { 1252fa9e4066Sahrens mdb_warn("no vdev_t address given\n"); 1253fa9e4066Sahrens return (DCMD_ERR); 1254fa9e4066Sahrens } 1255fa9e4066Sahrens 1256c5904d13Seschrock return (do_print_vdev(addr, flags, (int)depth, stats, recursive)); 1257fa9e4066Sahrens } 1258fa9e4066Sahrens 12595f5f7a6fSahrens typedef struct metaslab_walk_data { 12605f5f7a6fSahrens uint64_t mw_numvdevs; 12615f5f7a6fSahrens uintptr_t *mw_vdevs; 12625f5f7a6fSahrens int mw_curvdev; 12635f5f7a6fSahrens uint64_t mw_nummss; 12645f5f7a6fSahrens uintptr_t *mw_mss; 12655f5f7a6fSahrens int mw_curms; 12665f5f7a6fSahrens } metaslab_walk_data_t; 12675f5f7a6fSahrens 12685f5f7a6fSahrens static int 12695f5f7a6fSahrens metaslab_walk_step(mdb_walk_state_t *wsp) 12705f5f7a6fSahrens { 12715f5f7a6fSahrens metaslab_walk_data_t *mw = wsp->walk_data; 12725f5f7a6fSahrens metaslab_t ms; 12735f5f7a6fSahrens uintptr_t msp; 12745f5f7a6fSahrens 12755f5f7a6fSahrens if (mw->mw_curvdev >= mw->mw_numvdevs) 12765f5f7a6fSahrens return (WALK_DONE); 12775f5f7a6fSahrens 12785f5f7a6fSahrens if (mw->mw_mss == NULL) { 12795f5f7a6fSahrens uintptr_t mssp; 12805f5f7a6fSahrens uintptr_t vdevp; 12815f5f7a6fSahrens 12825f5f7a6fSahrens ASSERT(mw->mw_curms == 0); 12835f5f7a6fSahrens ASSERT(mw->mw_nummss == 0); 12845f5f7a6fSahrens 12855f5f7a6fSahrens vdevp = mw->mw_vdevs[mw->mw_curvdev]; 12865f5f7a6fSahrens if (GETMEMB(vdevp, struct vdev, vdev_ms, mssp) || 12875f5f7a6fSahrens GETMEMB(vdevp, struct vdev, vdev_ms_count, mw->mw_nummss)) { 12885f5f7a6fSahrens return (WALK_ERR); 12895f5f7a6fSahrens } 12905f5f7a6fSahrens 12915f5f7a6fSahrens mw->mw_mss = mdb_alloc(mw->mw_nummss * sizeof (void*), 12925f5f7a6fSahrens UM_SLEEP | UM_GC); 12935f5f7a6fSahrens if (mdb_vread(mw->mw_mss, mw->mw_nummss * sizeof (void*), 12945f5f7a6fSahrens mssp) == -1) { 12955f5f7a6fSahrens mdb_warn("failed to read vdev_ms at %p", mssp); 12965f5f7a6fSahrens return (WALK_ERR); 12975f5f7a6fSahrens } 12985f5f7a6fSahrens } 12995f5f7a6fSahrens 13005f5f7a6fSahrens if (mw->mw_curms >= mw->mw_nummss) { 13015f5f7a6fSahrens mw->mw_mss = NULL; 13025f5f7a6fSahrens mw->mw_curms = 0; 13035f5f7a6fSahrens mw->mw_nummss = 0; 13045f5f7a6fSahrens mw->mw_curvdev++; 13055f5f7a6fSahrens return (WALK_NEXT); 13065f5f7a6fSahrens } 13075f5f7a6fSahrens 13085f5f7a6fSahrens msp = mw->mw_mss[mw->mw_curms]; 13095f5f7a6fSahrens if (mdb_vread(&ms, sizeof (metaslab_t), msp) == -1) { 13105f5f7a6fSahrens mdb_warn("failed to read metaslab_t at %p", msp); 13115f5f7a6fSahrens return (WALK_ERR); 13125f5f7a6fSahrens } 13135f5f7a6fSahrens 13145f5f7a6fSahrens mw->mw_curms++; 13155f5f7a6fSahrens 13165f5f7a6fSahrens return (wsp->walk_callback(msp, &ms, wsp->walk_cbdata)); 13175f5f7a6fSahrens } 13185f5f7a6fSahrens 13195f5f7a6fSahrens /* ARGSUSED */ 13205f5f7a6fSahrens static int 13215f5f7a6fSahrens metaslab_walk_init(mdb_walk_state_t *wsp) 13225f5f7a6fSahrens { 13235f5f7a6fSahrens metaslab_walk_data_t *mw; 13245f5f7a6fSahrens uintptr_t root_vdevp; 13255f5f7a6fSahrens uintptr_t childp; 13265f5f7a6fSahrens 13275f5f7a6fSahrens if (wsp->walk_addr == NULL) { 13285f5f7a6fSahrens mdb_warn("must supply address of spa_t\n"); 13295f5f7a6fSahrens return (WALK_ERR); 13305f5f7a6fSahrens } 13315f5f7a6fSahrens 13325f5f7a6fSahrens mw = mdb_zalloc(sizeof (metaslab_walk_data_t), UM_SLEEP | UM_GC); 13335f5f7a6fSahrens 13345f5f7a6fSahrens if (GETMEMB(wsp->walk_addr, struct spa, spa_root_vdev, root_vdevp) || 13355f5f7a6fSahrens GETMEMB(root_vdevp, struct vdev, vdev_children, mw->mw_numvdevs) || 13365f5f7a6fSahrens GETMEMB(root_vdevp, struct vdev, vdev_child, childp)) { 13375f5f7a6fSahrens return (DCMD_ERR); 13385f5f7a6fSahrens } 13395f5f7a6fSahrens 13405f5f7a6fSahrens mw->mw_vdevs = mdb_alloc(mw->mw_numvdevs * sizeof (void *), 13415f5f7a6fSahrens UM_SLEEP | UM_GC); 13425f5f7a6fSahrens if (mdb_vread(mw->mw_vdevs, mw->mw_numvdevs * sizeof (void *), 13435f5f7a6fSahrens childp) == -1) { 13445f5f7a6fSahrens mdb_warn("failed to read root vdev children at %p", childp); 13455f5f7a6fSahrens return (DCMD_ERR); 13465f5f7a6fSahrens } 13475f5f7a6fSahrens 13485f5f7a6fSahrens wsp->walk_data = mw; 13495f5f7a6fSahrens 13505f5f7a6fSahrens return (WALK_NEXT); 13515f5f7a6fSahrens } 13525f5f7a6fSahrens 1353fa9e4066Sahrens typedef struct mdb_spa { 1354fa9e4066Sahrens uintptr_t spa_dsl_pool; 1355fa9e4066Sahrens uintptr_t spa_root_vdev; 1356fa9e4066Sahrens } mdb_spa_t; 1357fa9e4066Sahrens 1358fa9e4066Sahrens typedef struct mdb_dsl_dir { 1359fa9e4066Sahrens uintptr_t dd_phys; 1360fa9e4066Sahrens int64_t dd_space_towrite[TXG_SIZE]; 1361fa9e4066Sahrens } mdb_dsl_dir_t; 1362fa9e4066Sahrens 1363fa9e4066Sahrens typedef struct mdb_dsl_dir_phys { 1364fa9e4066Sahrens uint64_t dd_used_bytes; 1365fa9e4066Sahrens uint64_t dd_compressed_bytes; 1366fa9e4066Sahrens uint64_t dd_uncompressed_bytes; 1367fa9e4066Sahrens } mdb_dsl_dir_phys_t; 1368fa9e4066Sahrens 1369fa9e4066Sahrens typedef struct mdb_vdev { 1370fa9e4066Sahrens uintptr_t vdev_parent; 1371fa9e4066Sahrens uintptr_t vdev_ms; 1372fa9e4066Sahrens uint64_t vdev_ms_count; 1373fa9e4066Sahrens vdev_stat_t vdev_stat; 1374fa9e4066Sahrens } mdb_vdev_t; 1375fa9e4066Sahrens 1376fa9e4066Sahrens typedef struct mdb_metaslab { 1377fa9e4066Sahrens space_map_t ms_allocmap[TXG_SIZE]; 1378fa9e4066Sahrens space_map_t ms_freemap[TXG_SIZE]; 1379fa9e4066Sahrens space_map_t ms_map; 1380ecc2d604Sbonwick space_map_obj_t ms_smo; 13815f5f7a6fSahrens space_map_obj_t ms_smo_syncing; 1382fa9e4066Sahrens } mdb_metaslab_t; 1383fa9e4066Sahrens 13845f5f7a6fSahrens typedef struct space_data { 13855f5f7a6fSahrens uint64_t ms_allocmap[TXG_SIZE]; 13865f5f7a6fSahrens uint64_t ms_freemap[TXG_SIZE]; 13875f5f7a6fSahrens uint64_t ms_map; 13885f5f7a6fSahrens uint64_t avail; 13895f5f7a6fSahrens uint64_t nowavail; 13905f5f7a6fSahrens } space_data_t; 13915f5f7a6fSahrens 13925f5f7a6fSahrens /* ARGSUSED */ 13935f5f7a6fSahrens static int 13945f5f7a6fSahrens space_cb(uintptr_t addr, const void *unknown, void *arg) 13955f5f7a6fSahrens { 13965f5f7a6fSahrens space_data_t *sd = arg; 13975f5f7a6fSahrens mdb_metaslab_t ms; 13985f5f7a6fSahrens 13995f5f7a6fSahrens if (GETMEMB(addr, struct metaslab, ms_allocmap, ms.ms_allocmap) || 14005f5f7a6fSahrens GETMEMB(addr, struct metaslab, ms_freemap, ms.ms_freemap) || 14015f5f7a6fSahrens GETMEMB(addr, struct metaslab, ms_map, ms.ms_map) || 14025f5f7a6fSahrens GETMEMB(addr, struct metaslab, ms_smo, ms.ms_smo) || 14035f5f7a6fSahrens GETMEMB(addr, struct metaslab, ms_smo_syncing, ms.ms_smo_syncing)) { 14045f5f7a6fSahrens return (WALK_ERR); 14055f5f7a6fSahrens } 14065f5f7a6fSahrens 14075f5f7a6fSahrens sd->ms_allocmap[0] += ms.ms_allocmap[0].sm_space; 14085f5f7a6fSahrens sd->ms_allocmap[1] += ms.ms_allocmap[1].sm_space; 14095f5f7a6fSahrens sd->ms_allocmap[2] += ms.ms_allocmap[2].sm_space; 14105f5f7a6fSahrens sd->ms_allocmap[3] += ms.ms_allocmap[3].sm_space; 14115f5f7a6fSahrens sd->ms_freemap[0] += ms.ms_freemap[0].sm_space; 14125f5f7a6fSahrens sd->ms_freemap[1] += ms.ms_freemap[1].sm_space; 14135f5f7a6fSahrens sd->ms_freemap[2] += ms.ms_freemap[2].sm_space; 14145f5f7a6fSahrens sd->ms_freemap[3] += ms.ms_freemap[3].sm_space; 14155f5f7a6fSahrens sd->ms_map += ms.ms_map.sm_space; 14165f5f7a6fSahrens sd->avail += ms.ms_map.sm_size - ms.ms_smo.smo_alloc; 14175f5f7a6fSahrens sd->nowavail += ms.ms_map.sm_size - ms.ms_smo_syncing.smo_alloc; 14185f5f7a6fSahrens 14195f5f7a6fSahrens return (WALK_NEXT); 14205f5f7a6fSahrens } 14215f5f7a6fSahrens 1422fa9e4066Sahrens /* 1423fa9e4066Sahrens * ::spa_space [-b] 1424fa9e4066Sahrens * 1425fa9e4066Sahrens * Given a spa_t, print out it's on-disk space usage and in-core 1426fa9e4066Sahrens * estimates of future usage. If -b is given, print space in bytes. 1427fa9e4066Sahrens * Otherwise print in megabytes. 1428fa9e4066Sahrens */ 1429fa9e4066Sahrens /* ARGSUSED */ 1430fa9e4066Sahrens static int 1431fa9e4066Sahrens spa_space(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1432fa9e4066Sahrens { 1433fa9e4066Sahrens mdb_spa_t spa; 1434fa9e4066Sahrens uintptr_t dp_root_dir; 1435fa9e4066Sahrens mdb_dsl_dir_t dd; 1436fa9e4066Sahrens mdb_dsl_dir_phys_t dsp; 1437fa9e4066Sahrens uint64_t children; 1438fa9e4066Sahrens uintptr_t childaddr; 14395f5f7a6fSahrens space_data_t sd; 1440fa9e4066Sahrens int shift = 20; 1441fa9e4066Sahrens char *suffix = "M"; 1442fa9e4066Sahrens int bits = FALSE; 1443fa9e4066Sahrens 1444fa9e4066Sahrens if (mdb_getopts(argc, argv, 'b', MDB_OPT_SETBITS, TRUE, &bits, NULL) != 1445fa9e4066Sahrens argc) 1446fa9e4066Sahrens return (DCMD_USAGE); 1447fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) 1448fa9e4066Sahrens return (DCMD_USAGE); 1449fa9e4066Sahrens 1450fa9e4066Sahrens if (bits) { 1451fa9e4066Sahrens shift = 0; 1452fa9e4066Sahrens suffix = ""; 1453fa9e4066Sahrens } 1454fa9e4066Sahrens 1455fa9e4066Sahrens if (GETMEMB(addr, struct spa, spa_dsl_pool, spa.spa_dsl_pool) || 1456fa9e4066Sahrens GETMEMB(addr, struct spa, spa_root_vdev, spa.spa_root_vdev) || 1457fa9e4066Sahrens GETMEMB(spa.spa_root_vdev, struct vdev, vdev_children, children) || 1458fa9e4066Sahrens GETMEMB(spa.spa_root_vdev, struct vdev, vdev_child, childaddr) || 1459fa9e4066Sahrens GETMEMB(spa.spa_dsl_pool, struct dsl_pool, 1460fa9e4066Sahrens dp_root_dir, dp_root_dir) || 1461fa9e4066Sahrens GETMEMB(dp_root_dir, struct dsl_dir, dd_phys, dd.dd_phys) || 1462fa9e4066Sahrens GETMEMB(dp_root_dir, struct dsl_dir, 1463fa9e4066Sahrens dd_space_towrite, dd.dd_space_towrite) || 1464fa9e4066Sahrens GETMEMB(dd.dd_phys, struct dsl_dir_phys, 14655f5f7a6fSahrens dd_used_bytes, dsp.dd_used_bytes) || 14665f5f7a6fSahrens GETMEMB(dd.dd_phys, struct dsl_dir_phys, 1467fa9e4066Sahrens dd_compressed_bytes, dsp.dd_compressed_bytes) || 1468fa9e4066Sahrens GETMEMB(dd.dd_phys, struct dsl_dir_phys, 1469fa9e4066Sahrens dd_uncompressed_bytes, dsp.dd_uncompressed_bytes)) { 1470fa9e4066Sahrens return (DCMD_ERR); 1471fa9e4066Sahrens } 1472fa9e4066Sahrens 1473fa9e4066Sahrens mdb_printf("dd_space_towrite = %llu%s %llu%s %llu%s %llu%s\n", 1474fa9e4066Sahrens dd.dd_space_towrite[0] >> shift, suffix, 1475fa9e4066Sahrens dd.dd_space_towrite[1] >> shift, suffix, 1476fa9e4066Sahrens dd.dd_space_towrite[2] >> shift, suffix, 1477fa9e4066Sahrens dd.dd_space_towrite[3] >> shift, suffix); 1478fa9e4066Sahrens 1479fa9e4066Sahrens mdb_printf("dd_phys.dd_used_bytes = %llu%s\n", 1480fa9e4066Sahrens dsp.dd_used_bytes >> shift, suffix); 14815f5f7a6fSahrens mdb_printf("dd_phys.dd_compressed_bytes = %llu%s\n", 14825f5f7a6fSahrens dsp.dd_compressed_bytes >> shift, suffix); 14835f5f7a6fSahrens mdb_printf("dd_phys.dd_uncompressed_bytes = %llu%s\n", 14845f5f7a6fSahrens dsp.dd_uncompressed_bytes >> shift, suffix); 14855f5f7a6fSahrens 14865f5f7a6fSahrens bzero(&sd, sizeof (sd)); 14875f5f7a6fSahrens if (mdb_pwalk("metaslab", space_cb, &sd, addr) != 0) { 14885f5f7a6fSahrens mdb_warn("can't walk metaslabs"); 14895f5f7a6fSahrens return (DCMD_ERR); 1490fa9e4066Sahrens } 1491fa9e4066Sahrens 1492fa9e4066Sahrens mdb_printf("ms_allocmap = %llu%s %llu%s %llu%s %llu%s\n", 14935f5f7a6fSahrens sd.ms_allocmap[0] >> shift, suffix, 14945f5f7a6fSahrens sd.ms_allocmap[1] >> shift, suffix, 14955f5f7a6fSahrens sd.ms_allocmap[2] >> shift, suffix, 14965f5f7a6fSahrens sd.ms_allocmap[3] >> shift, suffix); 1497fa9e4066Sahrens mdb_printf("ms_freemap = %llu%s %llu%s %llu%s %llu%s\n", 14985f5f7a6fSahrens sd.ms_freemap[0] >> shift, suffix, 14995f5f7a6fSahrens sd.ms_freemap[1] >> shift, suffix, 15005f5f7a6fSahrens sd.ms_freemap[2] >> shift, suffix, 15015f5f7a6fSahrens sd.ms_freemap[3] >> shift, suffix); 15025f5f7a6fSahrens mdb_printf("ms_map = %llu%s\n", sd.ms_map >> shift, suffix); 15035f5f7a6fSahrens mdb_printf("last synced avail = %llu%s\n", sd.avail >> shift, suffix); 15045f5f7a6fSahrens mdb_printf("current syncing avail = %llu%s\n", 15055f5f7a6fSahrens sd.nowavail >> shift, suffix); 1506fa9e4066Sahrens 1507fa9e4066Sahrens return (DCMD_OK); 1508fa9e4066Sahrens } 1509fa9e4066Sahrens 1510fa9e4066Sahrens /* 1511fa9e4066Sahrens * ::spa_verify 1512fa9e4066Sahrens * 1513fa9e4066Sahrens * Given a spa_t, verify that that the pool is self-consistent. 1514fa9e4066Sahrens * Currently, it only checks to make sure that the vdev tree exists. 1515fa9e4066Sahrens */ 1516fa9e4066Sahrens /* ARGSUSED */ 1517fa9e4066Sahrens static int 1518fa9e4066Sahrens spa_verify(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1519fa9e4066Sahrens { 1520fa9e4066Sahrens spa_t spa; 1521fa9e4066Sahrens 1522fa9e4066Sahrens if (argc != 0 || !(flags & DCMD_ADDRSPEC)) 1523fa9e4066Sahrens return (DCMD_USAGE); 1524fa9e4066Sahrens 1525fa9e4066Sahrens if (mdb_vread(&spa, sizeof (spa), addr) == -1) { 1526fa9e4066Sahrens mdb_warn("failed to read spa_t at %p", addr); 1527fa9e4066Sahrens return (DCMD_ERR); 1528fa9e4066Sahrens } 1529fa9e4066Sahrens 1530fa9e4066Sahrens if (spa.spa_root_vdev == NULL) { 1531fa9e4066Sahrens mdb_printf("no vdev tree present\n"); 1532fa9e4066Sahrens return (DCMD_OK); 1533fa9e4066Sahrens } 1534fa9e4066Sahrens 1535fa9e4066Sahrens return (DCMD_OK); 1536fa9e4066Sahrens } 1537fa9e4066Sahrens 1538ec9f632eSEric Schrock static int 1539ec9f632eSEric Schrock spa_print_aux(spa_aux_vdev_t *sav, uint_t flags, mdb_arg_t *v, 1540ec9f632eSEric Schrock const char *name) 1541ec9f632eSEric Schrock { 1542ec9f632eSEric Schrock uintptr_t *aux; 1543ec9f632eSEric Schrock size_t len; 1544ec9f632eSEric Schrock int ret, i; 1545ec9f632eSEric Schrock 1546ec9f632eSEric Schrock /* 1547ec9f632eSEric Schrock * Iterate over aux vdevs and print those out as well. This is a 1548ec9f632eSEric Schrock * little annoying because we don't have a root vdev to pass to ::vdev. 1549ec9f632eSEric Schrock * Instead, we print a single line and then call it for each child 1550ec9f632eSEric Schrock * vdev. 1551ec9f632eSEric Schrock */ 1552ec9f632eSEric Schrock if (sav->sav_count != 0) { 1553ec9f632eSEric Schrock v[1].a_type = MDB_TYPE_STRING; 1554ec9f632eSEric Schrock v[1].a_un.a_str = "-d"; 1555ec9f632eSEric Schrock v[2].a_type = MDB_TYPE_IMMEDIATE; 1556ec9f632eSEric Schrock v[2].a_un.a_val = 2; 1557ec9f632eSEric Schrock 1558ec9f632eSEric Schrock len = sav->sav_count * sizeof (uintptr_t); 1559ec9f632eSEric Schrock aux = mdb_alloc(len, UM_SLEEP); 1560ec9f632eSEric Schrock if (mdb_vread(aux, len, 1561ec9f632eSEric Schrock (uintptr_t)sav->sav_vdevs) == -1) { 1562ec9f632eSEric Schrock mdb_free(aux, len); 1563ec9f632eSEric Schrock mdb_warn("failed to read l2cache vdevs at %p", 1564ec9f632eSEric Schrock sav->sav_vdevs); 1565ec9f632eSEric Schrock return (DCMD_ERR); 1566ec9f632eSEric Schrock } 1567ec9f632eSEric Schrock 1568ec9f632eSEric Schrock mdb_printf("%-?s %-9s %-12s %s\n", "-", "-", "-", name); 1569ec9f632eSEric Schrock 1570ec9f632eSEric Schrock for (i = 0; i < sav->sav_count; i++) { 1571ec9f632eSEric Schrock ret = mdb_call_dcmd("vdev", aux[i], flags, 3, v); 1572ec9f632eSEric Schrock if (ret != DCMD_OK) { 1573ec9f632eSEric Schrock mdb_free(aux, len); 1574ec9f632eSEric Schrock return (ret); 1575ec9f632eSEric Schrock } 1576ec9f632eSEric Schrock } 1577ec9f632eSEric Schrock 1578ec9f632eSEric Schrock mdb_free(aux, len); 1579ec9f632eSEric Schrock } 1580ec9f632eSEric Schrock 1581ec9f632eSEric Schrock return (0); 1582ec9f632eSEric Schrock } 1583ec9f632eSEric Schrock 1584fa9e4066Sahrens /* 1585fa9e4066Sahrens * ::spa_vdevs 1586fa9e4066Sahrens * 1587fa9e4066Sahrens * -e Include error stats 1588fa9e4066Sahrens * 1589fa9e4066Sahrens * Print out a summarized list of vdevs for the given spa_t. 1590c5904d13Seschrock * This is accomplished by invoking "::vdev -re" on the root vdev, as well as 1591c5904d13Seschrock * iterating over the cache devices. 1592fa9e4066Sahrens */ 1593fa9e4066Sahrens /* ARGSUSED */ 1594fa9e4066Sahrens static int 1595fa9e4066Sahrens spa_vdevs(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1596fa9e4066Sahrens { 1597fa9e4066Sahrens spa_t spa; 1598c5904d13Seschrock mdb_arg_t v[3]; 1599fa9e4066Sahrens int errors = FALSE; 1600ec9f632eSEric Schrock int ret; 1601fa9e4066Sahrens 1602fa9e4066Sahrens if (mdb_getopts(argc, argv, 1603fa9e4066Sahrens 'e', MDB_OPT_SETBITS, TRUE, &errors, 1604fa9e4066Sahrens NULL) != argc) 1605fa9e4066Sahrens return (DCMD_USAGE); 1606fa9e4066Sahrens 1607fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) 1608fa9e4066Sahrens return (DCMD_USAGE); 1609fa9e4066Sahrens 1610fa9e4066Sahrens if (mdb_vread(&spa, sizeof (spa), addr) == -1) { 1611fa9e4066Sahrens mdb_warn("failed to read spa_t at %p", addr); 1612fa9e4066Sahrens return (DCMD_ERR); 1613fa9e4066Sahrens } 1614fa9e4066Sahrens 1615088e9d47Seschrock /* 1616088e9d47Seschrock * Unitialized spa_t structures can have a NULL root vdev. 1617088e9d47Seschrock */ 1618088e9d47Seschrock if (spa.spa_root_vdev == NULL) { 1619088e9d47Seschrock mdb_printf("no associated vdevs\n"); 1620088e9d47Seschrock return (DCMD_OK); 1621088e9d47Seschrock } 1622088e9d47Seschrock 1623c5904d13Seschrock v[0].a_type = MDB_TYPE_STRING; 1624c5904d13Seschrock v[0].a_un.a_str = errors ? "-re" : "-r"; 1625fa9e4066Sahrens 1626c5904d13Seschrock ret = mdb_call_dcmd("vdev", (uintptr_t)spa.spa_root_vdev, 1627c5904d13Seschrock flags, 1, v); 1628c5904d13Seschrock if (ret != DCMD_OK) 1629c5904d13Seschrock return (ret); 1630c5904d13Seschrock 1631ec9f632eSEric Schrock if (spa_print_aux(&spa.spa_l2cache, flags, v, "cache") != 0 || 1632ec9f632eSEric Schrock spa_print_aux(&spa.spa_spares, flags, v, "spares") != 0) 1633ec9f632eSEric Schrock return (DCMD_ERR); 1634c5904d13Seschrock 1635c5904d13Seschrock return (DCMD_OK); 1636fa9e4066Sahrens } 1637fa9e4066Sahrens 1638ccae0b50Seschrock /* 1639ccae0b50Seschrock * ::zio 1640ccae0b50Seschrock * 1641ccae0b50Seschrock * Print a summary of zio_t and all its children. This is intended to display a 1642ccae0b50Seschrock * zio tree, and hence we only pick the most important pieces of information for 1643ccae0b50Seschrock * the main summary. More detailed information can always be found by doing a 1644ccae0b50Seschrock * '::print zio' on the underlying zio_t. The columns we display are: 1645ccae0b50Seschrock * 1646ccae0b50Seschrock * ADDRESS TYPE STAGE WAITER 1647ccae0b50Seschrock * 1648ccae0b50Seschrock * The 'address' column is indented by one space for each depth level as we 1649ccae0b50Seschrock * descend down the tree. 1650ccae0b50Seschrock */ 1651fac3008cSeschrock 1652a3f829aeSBill Moore #define ZIO_MAXINDENT 24 1653a3f829aeSBill Moore #define ZIO_MAXWIDTH (sizeof (uintptr_t) * 2 + ZIO_MAXINDENT) 1654a3f829aeSBill Moore #define ZIO_WALK_SELF 0 1655a3f829aeSBill Moore #define ZIO_WALK_CHILD 1 1656a3f829aeSBill Moore #define ZIO_WALK_PARENT 2 1657a3f829aeSBill Moore 1658a3f829aeSBill Moore typedef struct zio_print_args { 1659a3f829aeSBill Moore int zpa_current_depth; 1660a3f829aeSBill Moore int zpa_min_depth; 1661a3f829aeSBill Moore int zpa_max_depth; 1662a3f829aeSBill Moore int zpa_type; 1663a3f829aeSBill Moore uint_t zpa_flags; 1664a3f829aeSBill Moore } zio_print_args_t; 1665a3f829aeSBill Moore 1666a3f829aeSBill Moore static int zio_child_cb(uintptr_t addr, const void *unknown, void *arg); 1667fac3008cSeschrock 1668ccae0b50Seschrock static int 1669ccae0b50Seschrock zio_print_cb(uintptr_t addr, const void *data, void *priv) 1670ccae0b50Seschrock { 1671ccae0b50Seschrock const zio_t *zio = data; 1672a3f829aeSBill Moore zio_print_args_t *zpa = priv; 1673ccae0b50Seschrock mdb_ctf_id_t type_enum, stage_enum; 1674a3f829aeSBill Moore int indent = zpa->zpa_current_depth; 1675ccae0b50Seschrock const char *type, *stage; 1676a3f829aeSBill Moore uintptr_t laddr; 1677ccae0b50Seschrock 1678a3f829aeSBill Moore if (indent > ZIO_MAXINDENT) 1679a3f829aeSBill Moore indent = ZIO_MAXINDENT; 1680ccae0b50Seschrock 1681ccae0b50Seschrock if (mdb_ctf_lookup_by_name("enum zio_type", &type_enum) == -1 || 1682ccae0b50Seschrock mdb_ctf_lookup_by_name("enum zio_stage", &stage_enum) == -1) { 1683ccae0b50Seschrock mdb_warn("failed to lookup zio enums"); 1684ccae0b50Seschrock return (WALK_ERR); 1685ccae0b50Seschrock } 1686ccae0b50Seschrock 1687ccae0b50Seschrock if ((type = mdb_ctf_enum_name(type_enum, zio->io_type)) != NULL) 1688ccae0b50Seschrock type += sizeof ("ZIO_TYPE_") - 1; 1689ccae0b50Seschrock else 1690ccae0b50Seschrock type = "?"; 1691ccae0b50Seschrock 1692ccae0b50Seschrock if ((stage = mdb_ctf_enum_name(stage_enum, zio->io_stage)) != NULL) 1693ccae0b50Seschrock stage += sizeof ("ZIO_STAGE_") - 1; 1694ccae0b50Seschrock else 1695ccae0b50Seschrock stage = "?"; 1696ccae0b50Seschrock 1697a3f829aeSBill Moore if (zpa->zpa_current_depth >= zpa->zpa_min_depth) { 1698a3f829aeSBill Moore if (zpa->zpa_flags & DCMD_PIPE_OUT) { 1699a3f829aeSBill Moore mdb_printf("%?p\n", addr); 1700a3f829aeSBill Moore } else { 1701a3f829aeSBill Moore mdb_printf("%*s%-*p %-5s %-16s ", indent, "", 1702a3f829aeSBill Moore ZIO_MAXWIDTH - indent, addr, type, stage); 1703a3f829aeSBill Moore if (zio->io_waiter) 1704a3f829aeSBill Moore mdb_printf("%?p\n", zio->io_waiter); 1705a3f829aeSBill Moore else 1706a3f829aeSBill Moore mdb_printf("-\n"); 1707a3f829aeSBill Moore } 1708a3f829aeSBill Moore } 1709a3f829aeSBill Moore 1710a3f829aeSBill Moore if (zpa->zpa_current_depth >= zpa->zpa_max_depth) 1711a3f829aeSBill Moore return (WALK_NEXT); 1712ccae0b50Seschrock 1713a3f829aeSBill Moore if (zpa->zpa_type == ZIO_WALK_PARENT) 1714a3f829aeSBill Moore laddr = addr + OFFSETOF(zio_t, io_parent_list); 1715ccae0b50Seschrock else 1716a3f829aeSBill Moore laddr = addr + OFFSETOF(zio_t, io_child_list); 1717ccae0b50Seschrock 1718a3f829aeSBill Moore zpa->zpa_current_depth++; 1719a3f829aeSBill Moore if (mdb_pwalk("list", zio_child_cb, zpa, laddr) != 0) { 1720a3f829aeSBill Moore mdb_warn("failed to walk zio_t children at %p\n", laddr); 1721ccae0b50Seschrock return (WALK_ERR); 1722ccae0b50Seschrock } 1723a3f829aeSBill Moore zpa->zpa_current_depth--; 1724ccae0b50Seschrock 1725ccae0b50Seschrock return (WALK_NEXT); 1726ccae0b50Seschrock } 1727ccae0b50Seschrock 1728a3f829aeSBill Moore /* ARGSUSED */ 1729ccae0b50Seschrock static int 1730a3f829aeSBill Moore zio_child_cb(uintptr_t addr, const void *unknown, void *arg) 1731ccae0b50Seschrock { 1732a3f829aeSBill Moore zio_link_t zl; 1733ccae0b50Seschrock zio_t zio; 1734a3f829aeSBill Moore uintptr_t ziop; 1735a3f829aeSBill Moore zio_print_args_t *zpa = arg; 1736a3f829aeSBill Moore 1737a3f829aeSBill Moore if (mdb_vread(&zl, sizeof (zl), addr) == -1) { 1738a3f829aeSBill Moore mdb_warn("failed to read zio_link_t at %p", addr); 1739a3f829aeSBill Moore return (WALK_ERR); 1740a3f829aeSBill Moore } 1741a3f829aeSBill Moore 1742a3f829aeSBill Moore if (zpa->zpa_type == ZIO_WALK_PARENT) 1743a3f829aeSBill Moore ziop = (uintptr_t)zl.zl_parent; 1744a3f829aeSBill Moore else 1745a3f829aeSBill Moore ziop = (uintptr_t)zl.zl_child; 1746a3f829aeSBill Moore 1747a3f829aeSBill Moore if (mdb_vread(&zio, sizeof (zio_t), ziop) == -1) { 1748a3f829aeSBill Moore mdb_warn("failed to read zio_t at %p", ziop); 1749a3f829aeSBill Moore return (WALK_ERR); 1750a3f829aeSBill Moore } 1751fac3008cSeschrock 1752a3f829aeSBill Moore return (zio_print_cb(ziop, &zio, arg)); 1753a3f829aeSBill Moore } 1754a3f829aeSBill Moore 1755a3f829aeSBill Moore /* ARGSUSED */ 1756a3f829aeSBill Moore static int 1757a3f829aeSBill Moore zio_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1758a3f829aeSBill Moore { 1759a3f829aeSBill Moore zio_t zio; 1760a3f829aeSBill Moore zio_print_args_t zpa = { 0 }; 1761ccae0b50Seschrock 1762ccae0b50Seschrock if (!(flags & DCMD_ADDRSPEC)) 1763ccae0b50Seschrock return (DCMD_USAGE); 1764ccae0b50Seschrock 1765a3f829aeSBill Moore if (mdb_getopts(argc, argv, 1766a3f829aeSBill Moore 'r', MDB_OPT_SETBITS, INT_MAX, &zpa.zpa_max_depth, 1767a3f829aeSBill Moore 'c', MDB_OPT_SETBITS, ZIO_WALK_CHILD, &zpa.zpa_type, 1768a3f829aeSBill Moore 'p', MDB_OPT_SETBITS, ZIO_WALK_PARENT, &zpa.zpa_type, 1769a3f829aeSBill Moore NULL) != argc) 1770a3f829aeSBill Moore return (DCMD_USAGE); 1771a3f829aeSBill Moore 1772a3f829aeSBill Moore zpa.zpa_flags = flags; 1773a3f829aeSBill Moore if (zpa.zpa_max_depth != 0) { 1774a3f829aeSBill Moore if (zpa.zpa_type == ZIO_WALK_SELF) 1775a3f829aeSBill Moore zpa.zpa_type = ZIO_WALK_CHILD; 1776a3f829aeSBill Moore } else if (zpa.zpa_type != ZIO_WALK_SELF) { 1777a3f829aeSBill Moore zpa.zpa_min_depth = 1; 1778a3f829aeSBill Moore zpa.zpa_max_depth = 1; 1779a3f829aeSBill Moore } 1780a3f829aeSBill Moore 1781ccae0b50Seschrock if (mdb_vread(&zio, sizeof (zio_t), addr) == -1) { 1782ccae0b50Seschrock mdb_warn("failed to read zio_t at %p", addr); 1783ccae0b50Seschrock return (DCMD_ERR); 1784ccae0b50Seschrock } 1785ccae0b50Seschrock 1786a3f829aeSBill Moore if (!(flags & DCMD_PIPE_OUT) && DCMD_HDRSPEC(flags)) 1787a3f829aeSBill Moore mdb_printf("%<u>%-*s %-5s %-16s %-?s%</u>\n", ZIO_MAXWIDTH, 1788fac3008cSeschrock "ADDRESS", "TYPE", "STAGE", "WAITER"); 1789fac3008cSeschrock 1790a3f829aeSBill Moore if (zio_print_cb(addr, &zio, &zpa) != WALK_NEXT) 1791ccae0b50Seschrock return (DCMD_ERR); 1792ccae0b50Seschrock 1793ccae0b50Seschrock return (DCMD_OK); 1794ccae0b50Seschrock } 1795ccae0b50Seschrock 1796ccae0b50Seschrock /* 1797ccae0b50Seschrock * [addr]::zio_state 1798ccae0b50Seschrock * 1799ccae0b50Seschrock * Print a summary of all zio_t structures on the system, or for a particular 1800ccae0b50Seschrock * pool. This is equivalent to '::walk zio_root | ::zio'. 1801ccae0b50Seschrock */ 1802ccae0b50Seschrock /*ARGSUSED*/ 1803ccae0b50Seschrock static int 1804ccae0b50Seschrock zio_state(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1805ccae0b50Seschrock { 1806ccae0b50Seschrock /* 1807ccae0b50Seschrock * MDB will remember the last address of the pipeline, so if we don't 1808ccae0b50Seschrock * zero this we'll end up trying to walk zio structures for a 1809ccae0b50Seschrock * non-existent spa_t. 1810ccae0b50Seschrock */ 1811ccae0b50Seschrock if (!(flags & DCMD_ADDRSPEC)) 1812ccae0b50Seschrock addr = 0; 1813ccae0b50Seschrock 1814ccae0b50Seschrock return (mdb_pwalk_dcmd("zio_root", "zio", argc, argv, addr)); 1815ccae0b50Seschrock } 1816ccae0b50Seschrock 1817fa9e4066Sahrens typedef struct txg_list_walk_data { 1818fa9e4066Sahrens uintptr_t lw_head[TXG_SIZE]; 1819fa9e4066Sahrens int lw_txgoff; 1820fa9e4066Sahrens int lw_maxoff; 1821fa9e4066Sahrens size_t lw_offset; 1822fa9e4066Sahrens void *lw_obj; 1823fa9e4066Sahrens } txg_list_walk_data_t; 1824fa9e4066Sahrens 1825fa9e4066Sahrens static int 1826fa9e4066Sahrens txg_list_walk_init_common(mdb_walk_state_t *wsp, int txg, int maxoff) 1827fa9e4066Sahrens { 1828fa9e4066Sahrens txg_list_walk_data_t *lwd; 1829fa9e4066Sahrens txg_list_t list; 1830fa9e4066Sahrens int i; 1831fa9e4066Sahrens 1832fa9e4066Sahrens lwd = mdb_alloc(sizeof (txg_list_walk_data_t), UM_SLEEP | UM_GC); 1833fa9e4066Sahrens if (mdb_vread(&list, sizeof (txg_list_t), wsp->walk_addr) == -1) { 1834fa9e4066Sahrens mdb_warn("failed to read txg_list_t at %#lx", wsp->walk_addr); 1835fa9e4066Sahrens return (WALK_ERR); 1836fa9e4066Sahrens } 1837fa9e4066Sahrens 1838fa9e4066Sahrens for (i = 0; i < TXG_SIZE; i++) 1839fa9e4066Sahrens lwd->lw_head[i] = (uintptr_t)list.tl_head[i]; 1840fa9e4066Sahrens lwd->lw_offset = list.tl_offset; 1841fa9e4066Sahrens lwd->lw_obj = mdb_alloc(lwd->lw_offset + sizeof (txg_node_t), 1842fa9e4066Sahrens UM_SLEEP | UM_GC); 1843fa9e4066Sahrens lwd->lw_txgoff = txg; 1844fa9e4066Sahrens lwd->lw_maxoff = maxoff; 1845fa9e4066Sahrens 1846fa9e4066Sahrens wsp->walk_addr = lwd->lw_head[lwd->lw_txgoff]; 1847fa9e4066Sahrens wsp->walk_data = lwd; 1848fa9e4066Sahrens 1849fa9e4066Sahrens return (WALK_NEXT); 1850fa9e4066Sahrens } 1851fa9e4066Sahrens 1852fa9e4066Sahrens static int 1853fa9e4066Sahrens txg_list_walk_init(mdb_walk_state_t *wsp) 1854fa9e4066Sahrens { 1855fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 0, TXG_SIZE-1)); 1856fa9e4066Sahrens } 1857fa9e4066Sahrens 1858fa9e4066Sahrens static int 1859fa9e4066Sahrens txg_list0_walk_init(mdb_walk_state_t *wsp) 1860fa9e4066Sahrens { 1861fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 0, 0)); 1862fa9e4066Sahrens } 1863fa9e4066Sahrens 1864fa9e4066Sahrens static int 1865fa9e4066Sahrens txg_list1_walk_init(mdb_walk_state_t *wsp) 1866fa9e4066Sahrens { 1867fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 1, 1)); 1868fa9e4066Sahrens } 1869fa9e4066Sahrens 1870fa9e4066Sahrens static int 1871fa9e4066Sahrens txg_list2_walk_init(mdb_walk_state_t *wsp) 1872fa9e4066Sahrens { 1873fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 2, 2)); 1874fa9e4066Sahrens } 1875fa9e4066Sahrens 1876fa9e4066Sahrens static int 1877fa9e4066Sahrens txg_list3_walk_init(mdb_walk_state_t *wsp) 1878fa9e4066Sahrens { 1879fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 3, 3)); 1880fa9e4066Sahrens } 1881fa9e4066Sahrens 1882fa9e4066Sahrens static int 1883fa9e4066Sahrens txg_list_walk_step(mdb_walk_state_t *wsp) 1884fa9e4066Sahrens { 1885fa9e4066Sahrens txg_list_walk_data_t *lwd = wsp->walk_data; 1886fa9e4066Sahrens uintptr_t addr; 1887fa9e4066Sahrens txg_node_t *node; 1888fa9e4066Sahrens int status; 1889fa9e4066Sahrens 1890fa9e4066Sahrens while (wsp->walk_addr == NULL && lwd->lw_txgoff < lwd->lw_maxoff) { 1891fa9e4066Sahrens lwd->lw_txgoff++; 1892fa9e4066Sahrens wsp->walk_addr = lwd->lw_head[lwd->lw_txgoff]; 1893fa9e4066Sahrens } 1894fa9e4066Sahrens 1895fa9e4066Sahrens if (wsp->walk_addr == NULL) 1896fa9e4066Sahrens return (WALK_DONE); 1897fa9e4066Sahrens 1898fa9e4066Sahrens addr = wsp->walk_addr - lwd->lw_offset; 1899fa9e4066Sahrens 1900fa9e4066Sahrens if (mdb_vread(lwd->lw_obj, 1901fa9e4066Sahrens lwd->lw_offset + sizeof (txg_node_t), addr) == -1) { 1902fa9e4066Sahrens mdb_warn("failed to read list element at %#lx", addr); 1903fa9e4066Sahrens return (WALK_ERR); 1904fa9e4066Sahrens } 1905fa9e4066Sahrens 1906fa9e4066Sahrens status = wsp->walk_callback(addr, lwd->lw_obj, wsp->walk_cbdata); 1907fa9e4066Sahrens node = (txg_node_t *)((uintptr_t)lwd->lw_obj + lwd->lw_offset); 1908fa9e4066Sahrens wsp->walk_addr = (uintptr_t)node->tn_next[lwd->lw_txgoff]; 1909fa9e4066Sahrens 1910fa9e4066Sahrens return (status); 1911fa9e4066Sahrens } 1912fa9e4066Sahrens 1913fa9e4066Sahrens /* 1914fa9e4066Sahrens * ::walk spa 1915fa9e4066Sahrens * 1916fa9e4066Sahrens * Walk all named spa_t structures in the namespace. This is nothing more than 1917fa9e4066Sahrens * a layered avl walk. 1918fa9e4066Sahrens */ 1919fa9e4066Sahrens static int 1920fa9e4066Sahrens spa_walk_init(mdb_walk_state_t *wsp) 1921fa9e4066Sahrens { 1922fa9e4066Sahrens GElf_Sym sym; 1923fa9e4066Sahrens 1924fa9e4066Sahrens if (wsp->walk_addr != NULL) { 1925fa9e4066Sahrens mdb_warn("spa walk only supports global walks\n"); 1926fa9e4066Sahrens return (WALK_ERR); 1927fa9e4066Sahrens } 1928fa9e4066Sahrens 1929fa9e4066Sahrens if (mdb_lookup_by_obj(ZFS_OBJ_NAME, "spa_namespace_avl", &sym) == -1) { 1930fa9e4066Sahrens mdb_warn("failed to find symbol 'spa_namespace_avl'"); 1931fa9e4066Sahrens return (WALK_ERR); 1932fa9e4066Sahrens } 1933fa9e4066Sahrens 1934fa9e4066Sahrens wsp->walk_addr = (uintptr_t)sym.st_value; 1935fa9e4066Sahrens 1936fa9e4066Sahrens if (mdb_layered_walk("avl", wsp) == -1) { 1937fa9e4066Sahrens mdb_warn("failed to walk 'avl'\n"); 1938fa9e4066Sahrens return (WALK_ERR); 1939fa9e4066Sahrens } 1940fa9e4066Sahrens 1941fa9e4066Sahrens return (WALK_NEXT); 1942fa9e4066Sahrens } 1943fa9e4066Sahrens 1944fa9e4066Sahrens static int 1945fa9e4066Sahrens spa_walk_step(mdb_walk_state_t *wsp) 1946fa9e4066Sahrens { 1947fa9e4066Sahrens spa_t spa; 1948fa9e4066Sahrens 1949fa9e4066Sahrens if (mdb_vread(&spa, sizeof (spa), wsp->walk_addr) == -1) { 1950fa9e4066Sahrens mdb_warn("failed to read spa_t at %p", wsp->walk_addr); 1951fa9e4066Sahrens return (WALK_ERR); 1952fa9e4066Sahrens } 1953fa9e4066Sahrens 1954fa9e4066Sahrens return (wsp->walk_callback(wsp->walk_addr, &spa, wsp->walk_cbdata)); 1955fa9e4066Sahrens } 1956fa9e4066Sahrens 1957ccae0b50Seschrock /* 1958ccae0b50Seschrock * [addr]::walk zio 1959ccae0b50Seschrock * 1960ccae0b50Seschrock * Walk all active zio_t structures on the system. This is simply a layered 1961ccae0b50Seschrock * walk on top of ::walk zio_cache, with the optional ability to limit the 1962ccae0b50Seschrock * structures to a particular pool. 1963ccae0b50Seschrock */ 1964ccae0b50Seschrock static int 1965ccae0b50Seschrock zio_walk_init(mdb_walk_state_t *wsp) 1966ccae0b50Seschrock { 1967ccae0b50Seschrock wsp->walk_data = (void *)wsp->walk_addr; 1968ccae0b50Seschrock 1969ccae0b50Seschrock if (mdb_layered_walk("zio_cache", wsp) == -1) { 1970ccae0b50Seschrock mdb_warn("failed to walk 'zio_cache'\n"); 1971ccae0b50Seschrock return (WALK_ERR); 1972ccae0b50Seschrock } 1973ccae0b50Seschrock 1974ccae0b50Seschrock return (WALK_NEXT); 1975ccae0b50Seschrock } 1976ccae0b50Seschrock 1977ccae0b50Seschrock static int 1978ccae0b50Seschrock zio_walk_step(mdb_walk_state_t *wsp) 1979ccae0b50Seschrock { 1980ccae0b50Seschrock zio_t zio; 1981ccae0b50Seschrock 1982ccae0b50Seschrock if (mdb_vread(&zio, sizeof (zio), wsp->walk_addr) == -1) { 1983ccae0b50Seschrock mdb_warn("failed to read zio_t at %p", wsp->walk_addr); 1984ccae0b50Seschrock return (WALK_ERR); 1985ccae0b50Seschrock } 1986ccae0b50Seschrock 1987ccae0b50Seschrock if (wsp->walk_data != NULL && wsp->walk_data != zio.io_spa) 1988ccae0b50Seschrock return (WALK_NEXT); 1989ccae0b50Seschrock 1990ccae0b50Seschrock return (wsp->walk_callback(wsp->walk_addr, &zio, wsp->walk_cbdata)); 1991ccae0b50Seschrock } 1992ccae0b50Seschrock 1993ccae0b50Seschrock /* 1994ccae0b50Seschrock * [addr]::walk zio_root 1995ccae0b50Seschrock * 1996ccae0b50Seschrock * Walk only root zio_t structures, optionally for a particular spa_t. 1997ccae0b50Seschrock */ 1998ccae0b50Seschrock static int 1999ccae0b50Seschrock zio_walk_root_step(mdb_walk_state_t *wsp) 2000ccae0b50Seschrock { 2001ccae0b50Seschrock zio_t zio; 2002ccae0b50Seschrock 2003ccae0b50Seschrock if (mdb_vread(&zio, sizeof (zio), wsp->walk_addr) == -1) { 2004ccae0b50Seschrock mdb_warn("failed to read zio_t at %p", wsp->walk_addr); 2005ccae0b50Seschrock return (WALK_ERR); 2006ccae0b50Seschrock } 2007ccae0b50Seschrock 2008ccae0b50Seschrock if (wsp->walk_data != NULL && wsp->walk_data != zio.io_spa) 2009ccae0b50Seschrock return (WALK_NEXT); 2010ccae0b50Seschrock 2011a3f829aeSBill Moore /* If the parent list is not empty, ignore */ 2012a3f829aeSBill Moore if (zio.io_parent_list.list_head.list_next != 2013a3f829aeSBill Moore &((zio_t *)wsp->walk_addr)->io_parent_list.list_head) 2014ccae0b50Seschrock return (WALK_NEXT); 2015ccae0b50Seschrock 2016ccae0b50Seschrock return (wsp->walk_callback(wsp->walk_addr, &zio, wsp->walk_cbdata)); 2017ccae0b50Seschrock } 2018ccae0b50Seschrock 201988b7b0f2SMatthew Ahrens #define NICENUM_BUFLEN 6 202088b7b0f2SMatthew Ahrens 202188b7b0f2SMatthew Ahrens static int 2022ff64c0f7SMatthew Ahrens snprintfrac(char *buf, int len, 2023ff64c0f7SMatthew Ahrens uint64_t numerator, uint64_t denom, int frac_digits) 202488b7b0f2SMatthew Ahrens { 2025ff64c0f7SMatthew Ahrens int mul = 1; 202688b7b0f2SMatthew Ahrens int whole, frac, i; 202788b7b0f2SMatthew Ahrens 202888b7b0f2SMatthew Ahrens for (i = frac_digits; i; i--) 202988b7b0f2SMatthew Ahrens mul *= 10; 2030ff64c0f7SMatthew Ahrens whole = numerator / denom; 2031ff64c0f7SMatthew Ahrens frac = mul * numerator / denom - mul * whole; 203288b7b0f2SMatthew Ahrens return (mdb_snprintf(buf, len, "%u.%0*u", whole, frac_digits, frac)); 203388b7b0f2SMatthew Ahrens } 203488b7b0f2SMatthew Ahrens 203588b7b0f2SMatthew Ahrens static void 203688b7b0f2SMatthew Ahrens mdb_nicenum(uint64_t num, char *buf) 203788b7b0f2SMatthew Ahrens { 203888b7b0f2SMatthew Ahrens uint64_t n = num; 203988b7b0f2SMatthew Ahrens int index = 0; 204088b7b0f2SMatthew Ahrens char *u; 204188b7b0f2SMatthew Ahrens 204288b7b0f2SMatthew Ahrens while (n >= 1024) { 204388b7b0f2SMatthew Ahrens n = (n + (1024 / 2)) / 1024; /* Round up or down */ 204488b7b0f2SMatthew Ahrens index++; 204588b7b0f2SMatthew Ahrens } 204688b7b0f2SMatthew Ahrens 204788b7b0f2SMatthew Ahrens u = &" \0K\0M\0G\0T\0P\0E\0"[index*2]; 204888b7b0f2SMatthew Ahrens 204988b7b0f2SMatthew Ahrens if (index == 0) { 205088b7b0f2SMatthew Ahrens (void) mdb_snprintf(buf, NICENUM_BUFLEN, "%llu", 205188b7b0f2SMatthew Ahrens (u_longlong_t)n); 205288b7b0f2SMatthew Ahrens } else if (n < 10 && (num & (num - 1)) != 0) { 2053ff64c0f7SMatthew Ahrens (void) snprintfrac(buf, NICENUM_BUFLEN, 2054ff64c0f7SMatthew Ahrens num, 1ULL << 10 * index, 2); 205588b7b0f2SMatthew Ahrens strcat(buf, u); 205688b7b0f2SMatthew Ahrens } else if (n < 100 && (num & (num - 1)) != 0) { 2057ff64c0f7SMatthew Ahrens (void) snprintfrac(buf, NICENUM_BUFLEN, 2058ff64c0f7SMatthew Ahrens num, 1ULL << 10 * index, 1); 205988b7b0f2SMatthew Ahrens strcat(buf, u); 206088b7b0f2SMatthew Ahrens } else { 206188b7b0f2SMatthew Ahrens (void) mdb_snprintf(buf, NICENUM_BUFLEN, "%llu%s", 206288b7b0f2SMatthew Ahrens (u_longlong_t)n, u); 206388b7b0f2SMatthew Ahrens } 206488b7b0f2SMatthew Ahrens } 206588b7b0f2SMatthew Ahrens 206688b7b0f2SMatthew Ahrens /* 206788b7b0f2SMatthew Ahrens * ::zfs_blkstats 206888b7b0f2SMatthew Ahrens * 206988b7b0f2SMatthew Ahrens * -v print verbose per-level information 207088b7b0f2SMatthew Ahrens * 207188b7b0f2SMatthew Ahrens */ 207288b7b0f2SMatthew Ahrens static int 207388b7b0f2SMatthew Ahrens zfs_blkstats(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 207488b7b0f2SMatthew Ahrens { 207588b7b0f2SMatthew Ahrens boolean_t verbose = B_FALSE; 207688b7b0f2SMatthew Ahrens zfs_all_blkstats_t stats; 207788b7b0f2SMatthew Ahrens dmu_object_type_t t; 207888b7b0f2SMatthew Ahrens zfs_blkstat_t *tzb; 207988b7b0f2SMatthew Ahrens uint64_t ditto; 208088b7b0f2SMatthew Ahrens dmu_object_type_info_t dmu_ot[DMU_OT_NUMTYPES + 10]; 208188b7b0f2SMatthew Ahrens /* +10 in case it grew */ 208288b7b0f2SMatthew Ahrens 208388b7b0f2SMatthew Ahrens if (mdb_readvar(&dmu_ot, "dmu_ot") == -1) { 208488b7b0f2SMatthew Ahrens mdb_warn("failed to read 'dmu_ot'"); 208588b7b0f2SMatthew Ahrens return (DCMD_ERR); 208688b7b0f2SMatthew Ahrens } 208788b7b0f2SMatthew Ahrens 208888b7b0f2SMatthew Ahrens if (mdb_getopts(argc, argv, 208988b7b0f2SMatthew Ahrens 'v', MDB_OPT_SETBITS, TRUE, &verbose, 209088b7b0f2SMatthew Ahrens NULL) != argc) 209188b7b0f2SMatthew Ahrens return (DCMD_USAGE); 209288b7b0f2SMatthew Ahrens 209388b7b0f2SMatthew Ahrens if (!(flags & DCMD_ADDRSPEC)) 209488b7b0f2SMatthew Ahrens return (DCMD_USAGE); 209588b7b0f2SMatthew Ahrens 209688b7b0f2SMatthew Ahrens if (GETMEMB(addr, struct spa, spa_dsl_pool, addr) || 209788b7b0f2SMatthew Ahrens GETMEMB(addr, struct dsl_pool, dp_blkstats, addr) || 209888b7b0f2SMatthew Ahrens mdb_vread(&stats, sizeof (zfs_all_blkstats_t), addr) == -1) { 209988b7b0f2SMatthew Ahrens mdb_warn("failed to read data at %p;", addr); 210088b7b0f2SMatthew Ahrens mdb_printf("maybe no stats? run \"zpool scrub\" first."); 210188b7b0f2SMatthew Ahrens return (DCMD_ERR); 210288b7b0f2SMatthew Ahrens } 210388b7b0f2SMatthew Ahrens 210488b7b0f2SMatthew Ahrens tzb = &stats.zab_type[DN_MAX_LEVELS][DMU_OT_NUMTYPES]; 210588b7b0f2SMatthew Ahrens if (tzb->zb_gangs != 0) { 210688b7b0f2SMatthew Ahrens mdb_printf("Ganged blocks: %llu\n", 210788b7b0f2SMatthew Ahrens (longlong_t)tzb->zb_gangs); 210888b7b0f2SMatthew Ahrens } 210988b7b0f2SMatthew Ahrens 211088b7b0f2SMatthew Ahrens ditto = tzb->zb_ditto_2_of_2_samevdev + tzb->zb_ditto_2_of_3_samevdev + 211188b7b0f2SMatthew Ahrens tzb->zb_ditto_3_of_3_samevdev; 211288b7b0f2SMatthew Ahrens if (ditto != 0) { 211388b7b0f2SMatthew Ahrens mdb_printf("Dittoed blocks on same vdev: %llu\n", 211488b7b0f2SMatthew Ahrens (longlong_t)ditto); 211588b7b0f2SMatthew Ahrens } 211688b7b0f2SMatthew Ahrens 211788b7b0f2SMatthew Ahrens mdb_printf("\nBlocks\tLSIZE\tPSIZE\tASIZE" 211888b7b0f2SMatthew Ahrens "\t avg\t comp\t%%Total\tType\n"); 211988b7b0f2SMatthew Ahrens 212088b7b0f2SMatthew Ahrens for (t = 0; t <= DMU_OT_NUMTYPES; t++) { 212188b7b0f2SMatthew Ahrens char csize[NICENUM_BUFLEN], lsize[NICENUM_BUFLEN]; 212288b7b0f2SMatthew Ahrens char psize[NICENUM_BUFLEN], asize[NICENUM_BUFLEN]; 212388b7b0f2SMatthew Ahrens char avg[NICENUM_BUFLEN]; 212488b7b0f2SMatthew Ahrens char comp[NICENUM_BUFLEN], pct[NICENUM_BUFLEN]; 212588b7b0f2SMatthew Ahrens char typename[64]; 212688b7b0f2SMatthew Ahrens int l; 212788b7b0f2SMatthew Ahrens 212888b7b0f2SMatthew Ahrens 212988b7b0f2SMatthew Ahrens if (t == DMU_OT_DEFERRED) 213088b7b0f2SMatthew Ahrens strcpy(typename, "deferred free"); 213188b7b0f2SMatthew Ahrens else if (t == DMU_OT_TOTAL) 213288b7b0f2SMatthew Ahrens strcpy(typename, "Total"); 213388b7b0f2SMatthew Ahrens else if (mdb_readstr(typename, sizeof (typename), 213488b7b0f2SMatthew Ahrens (uintptr_t)dmu_ot[t].ot_name) == -1) { 213588b7b0f2SMatthew Ahrens mdb_warn("failed to read type name"); 213688b7b0f2SMatthew Ahrens return (DCMD_ERR); 213788b7b0f2SMatthew Ahrens } 213888b7b0f2SMatthew Ahrens 213988b7b0f2SMatthew Ahrens if (stats.zab_type[DN_MAX_LEVELS][t].zb_asize == 0) 214088b7b0f2SMatthew Ahrens continue; 214188b7b0f2SMatthew Ahrens 214288b7b0f2SMatthew Ahrens for (l = -1; l < DN_MAX_LEVELS; l++) { 214388b7b0f2SMatthew Ahrens int level = (l == -1 ? DN_MAX_LEVELS : l); 214488b7b0f2SMatthew Ahrens zfs_blkstat_t *zb = &stats.zab_type[level][t]; 214588b7b0f2SMatthew Ahrens 214688b7b0f2SMatthew Ahrens if (zb->zb_asize == 0) 214788b7b0f2SMatthew Ahrens continue; 214888b7b0f2SMatthew Ahrens 214988b7b0f2SMatthew Ahrens /* 215088b7b0f2SMatthew Ahrens * Don't print each level unless requested. 215188b7b0f2SMatthew Ahrens */ 215288b7b0f2SMatthew Ahrens if (!verbose && level != DN_MAX_LEVELS) 215388b7b0f2SMatthew Ahrens continue; 215488b7b0f2SMatthew Ahrens 215588b7b0f2SMatthew Ahrens /* 215688b7b0f2SMatthew Ahrens * If all the space is level 0, don't print the 215788b7b0f2SMatthew Ahrens * level 0 separately. 215888b7b0f2SMatthew Ahrens */ 215988b7b0f2SMatthew Ahrens if (level == 0 && zb->zb_asize == 216088b7b0f2SMatthew Ahrens stats.zab_type[DN_MAX_LEVELS][t].zb_asize) 216188b7b0f2SMatthew Ahrens continue; 216288b7b0f2SMatthew Ahrens 216388b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_count, csize); 216488b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_lsize, lsize); 216588b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_psize, psize); 216688b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_asize, asize); 216788b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_asize / zb->zb_count, avg); 2168ff64c0f7SMatthew Ahrens (void) snprintfrac(comp, NICENUM_BUFLEN, 2169ff64c0f7SMatthew Ahrens zb->zb_lsize, zb->zb_psize, 2); 2170ff64c0f7SMatthew Ahrens (void) snprintfrac(pct, NICENUM_BUFLEN, 2171ff64c0f7SMatthew Ahrens 100 * zb->zb_asize, tzb->zb_asize, 2); 217288b7b0f2SMatthew Ahrens 217388b7b0f2SMatthew Ahrens mdb_printf("%6s\t%5s\t%5s\t%5s\t%5s" 217488b7b0f2SMatthew Ahrens "\t%5s\t%6s\t", 217588b7b0f2SMatthew Ahrens csize, lsize, psize, asize, avg, comp, pct); 217688b7b0f2SMatthew Ahrens 217788b7b0f2SMatthew Ahrens if (level == DN_MAX_LEVELS) 217888b7b0f2SMatthew Ahrens mdb_printf("%s\n", typename); 217988b7b0f2SMatthew Ahrens else 218088b7b0f2SMatthew Ahrens mdb_printf(" L%d %s\n", 218188b7b0f2SMatthew Ahrens level, typename); 218288b7b0f2SMatthew Ahrens } 218388b7b0f2SMatthew Ahrens } 218488b7b0f2SMatthew Ahrens 218588b7b0f2SMatthew Ahrens return (DCMD_OK); 218688b7b0f2SMatthew Ahrens } 218788b7b0f2SMatthew Ahrens 21889966ca11SMatthew Ahrens /* ARGSUSED */ 21899966ca11SMatthew Ahrens static int 21909966ca11SMatthew Ahrens reference_cb(uintptr_t addr, const void *ignored, void *arg) 21919966ca11SMatthew Ahrens { 21929966ca11SMatthew Ahrens static int gotid; 21939966ca11SMatthew Ahrens static mdb_ctf_id_t ref_id; 21949966ca11SMatthew Ahrens uintptr_t ref_holder; 21959966ca11SMatthew Ahrens uintptr_t ref_removed; 21969966ca11SMatthew Ahrens uint64_t ref_number; 21979966ca11SMatthew Ahrens boolean_t holder_is_str; 21989966ca11SMatthew Ahrens char holder_str[128]; 21999966ca11SMatthew Ahrens boolean_t removed = (boolean_t)arg; 22009966ca11SMatthew Ahrens 22019966ca11SMatthew Ahrens if (!gotid) { 22029966ca11SMatthew Ahrens if (mdb_ctf_lookup_by_name("struct reference", &ref_id) == -1) { 22039966ca11SMatthew Ahrens mdb_warn("couldn't find struct reference"); 22049966ca11SMatthew Ahrens return (WALK_ERR); 22059966ca11SMatthew Ahrens } 22069966ca11SMatthew Ahrens gotid = TRUE; 22079966ca11SMatthew Ahrens } 22089966ca11SMatthew Ahrens 22099966ca11SMatthew Ahrens if (GETMEMBID(addr, &ref_id, ref_holder, ref_holder) || 22109966ca11SMatthew Ahrens GETMEMBID(addr, &ref_id, ref_removed, ref_removed) || 22119966ca11SMatthew Ahrens GETMEMBID(addr, &ref_id, ref_number, ref_number)) 22129966ca11SMatthew Ahrens return (WALK_ERR); 22139966ca11SMatthew Ahrens 22149966ca11SMatthew Ahrens if (mdb_readstr(holder_str, sizeof (holder_str), ref_holder) != -1) { 22159966ca11SMatthew Ahrens char *cp; 22169966ca11SMatthew Ahrens holder_is_str = B_TRUE; 22179966ca11SMatthew Ahrens for (cp = holder_str; *cp; cp++) { 22189966ca11SMatthew Ahrens if (!isprint(*cp)) { 22199966ca11SMatthew Ahrens holder_is_str = B_FALSE; 22209966ca11SMatthew Ahrens break; 22219966ca11SMatthew Ahrens } 22229966ca11SMatthew Ahrens } 22239966ca11SMatthew Ahrens } else { 22249966ca11SMatthew Ahrens holder_is_str = B_FALSE; 22259966ca11SMatthew Ahrens } 22269966ca11SMatthew Ahrens 22279966ca11SMatthew Ahrens if (removed) 22289966ca11SMatthew Ahrens mdb_printf("removed "); 22299966ca11SMatthew Ahrens mdb_printf("reference "); 22309966ca11SMatthew Ahrens if (ref_number != 1) 22319966ca11SMatthew Ahrens mdb_printf("with count=%llu ", ref_number); 22329966ca11SMatthew Ahrens mdb_printf("with tag %p", (void*)ref_holder); 22339966ca11SMatthew Ahrens if (holder_is_str) 22349966ca11SMatthew Ahrens mdb_printf(" \"%s\"", holder_str); 22359966ca11SMatthew Ahrens mdb_printf(", held at:\n"); 22369966ca11SMatthew Ahrens 22379966ca11SMatthew Ahrens (void) mdb_call_dcmd("whatis", addr, DCMD_ADDRSPEC, 0, NULL); 22389966ca11SMatthew Ahrens 22399966ca11SMatthew Ahrens if (removed) { 22409966ca11SMatthew Ahrens mdb_printf("removed at:\n"); 22419966ca11SMatthew Ahrens (void) mdb_call_dcmd("whatis", ref_removed, 22429966ca11SMatthew Ahrens DCMD_ADDRSPEC, 0, NULL); 22439966ca11SMatthew Ahrens } 22449966ca11SMatthew Ahrens 22459966ca11SMatthew Ahrens mdb_printf("\n"); 22469966ca11SMatthew Ahrens 22479966ca11SMatthew Ahrens return (WALK_NEXT); 22489966ca11SMatthew Ahrens } 22499966ca11SMatthew Ahrens 22509966ca11SMatthew Ahrens /* ARGSUSED */ 22519966ca11SMatthew Ahrens static int 22529966ca11SMatthew Ahrens refcount(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 22539966ca11SMatthew Ahrens { 22549966ca11SMatthew Ahrens uint64_t rc_count, rc_removed_count; 22559966ca11SMatthew Ahrens uintptr_t rc_list, rc_removed; 22569966ca11SMatthew Ahrens static int gotid; 22579966ca11SMatthew Ahrens static mdb_ctf_id_t rc_id; 22589966ca11SMatthew Ahrens ulong_t off; 22599966ca11SMatthew Ahrens 22609966ca11SMatthew Ahrens if (!(flags & DCMD_ADDRSPEC)) 22619966ca11SMatthew Ahrens return (DCMD_USAGE); 22629966ca11SMatthew Ahrens 22639966ca11SMatthew Ahrens if (!gotid) { 22649966ca11SMatthew Ahrens if (mdb_ctf_lookup_by_name("struct refcount", &rc_id) == -1) { 22659966ca11SMatthew Ahrens mdb_warn("couldn't find struct refcount"); 22669966ca11SMatthew Ahrens return (DCMD_ERR); 22679966ca11SMatthew Ahrens } 22689966ca11SMatthew Ahrens gotid = TRUE; 22699966ca11SMatthew Ahrens } 22709966ca11SMatthew Ahrens 22719966ca11SMatthew Ahrens if (GETMEMBID(addr, &rc_id, rc_count, rc_count) || 22729966ca11SMatthew Ahrens GETMEMBID(addr, &rc_id, rc_removed_count, rc_removed_count)) 22739966ca11SMatthew Ahrens return (DCMD_ERR); 22749966ca11SMatthew Ahrens 22759966ca11SMatthew Ahrens mdb_printf("refcount_t at %p has %llu current holds, " 22769966ca11SMatthew Ahrens "%llu recently released holds\n", 22779966ca11SMatthew Ahrens addr, (longlong_t)rc_count, (longlong_t)rc_removed_count); 22789966ca11SMatthew Ahrens 22799966ca11SMatthew Ahrens if (rc_count > 0) 22809966ca11SMatthew Ahrens mdb_printf("current holds:\n"); 22819966ca11SMatthew Ahrens if (mdb_ctf_offsetof(rc_id, "rc_list", &off) == -1) 22829966ca11SMatthew Ahrens return (DCMD_ERR); 22839966ca11SMatthew Ahrens rc_list = addr + off/NBBY; 22849966ca11SMatthew Ahrens mdb_pwalk("list", reference_cb, (void*)B_FALSE, rc_list); 22859966ca11SMatthew Ahrens 22869966ca11SMatthew Ahrens if (rc_removed_count > 0) 22879966ca11SMatthew Ahrens mdb_printf("released holds:\n"); 22889966ca11SMatthew Ahrens if (mdb_ctf_offsetof(rc_id, "rc_removed", &off) == -1) 22899966ca11SMatthew Ahrens return (DCMD_ERR); 22909966ca11SMatthew Ahrens rc_removed = addr + off/NBBY; 22919966ca11SMatthew Ahrens mdb_pwalk("list", reference_cb, (void*)B_TRUE, rc_removed); 22929966ca11SMatthew Ahrens 22939966ca11SMatthew Ahrens return (DCMD_OK); 22949966ca11SMatthew Ahrens } 22959966ca11SMatthew Ahrens 2296*0a586ceaSMark Shellenbaum /* ARGSUSED */ 2297*0a586ceaSMark Shellenbaum static int 2298*0a586ceaSMark Shellenbaum sa_attr_table(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 2299*0a586ceaSMark Shellenbaum { 2300*0a586ceaSMark Shellenbaum sa_attr_table_t *table; 2301*0a586ceaSMark Shellenbaum sa_os_t sa_os; 2302*0a586ceaSMark Shellenbaum char *name; 2303*0a586ceaSMark Shellenbaum int i; 2304*0a586ceaSMark Shellenbaum 2305*0a586ceaSMark Shellenbaum if (mdb_vread(&sa_os, sizeof (sa_os_t), addr) == -1) { 2306*0a586ceaSMark Shellenbaum mdb_warn("failed to read sa_os at %p", addr); 2307*0a586ceaSMark Shellenbaum return (DCMD_ERR); 2308*0a586ceaSMark Shellenbaum } 2309*0a586ceaSMark Shellenbaum 2310*0a586ceaSMark Shellenbaum table = mdb_alloc(sizeof (sa_attr_table_t) * sa_os.sa_num_attrs, 2311*0a586ceaSMark Shellenbaum UM_SLEEP | UM_GC); 2312*0a586ceaSMark Shellenbaum name = mdb_alloc(MAXPATHLEN, UM_SLEEP | UM_GC); 2313*0a586ceaSMark Shellenbaum 2314*0a586ceaSMark Shellenbaum if (mdb_vread(table, sizeof (sa_attr_table_t) * sa_os.sa_num_attrs, 2315*0a586ceaSMark Shellenbaum (uintptr_t)sa_os.sa_attr_table) == -1) { 2316*0a586ceaSMark Shellenbaum mdb_warn("failed to read sa_os at %p", addr); 2317*0a586ceaSMark Shellenbaum return (DCMD_ERR); 2318*0a586ceaSMark Shellenbaum } 2319*0a586ceaSMark Shellenbaum 2320*0a586ceaSMark Shellenbaum mdb_printf("%<u>%-10s %-10s %-10s %-10s %s%</u>\n", 2321*0a586ceaSMark Shellenbaum "ATTR ID", "REGISTERED", "LENGTH", "BSWAP", "NAME"); 2322*0a586ceaSMark Shellenbaum for (i = 0; i != sa_os.sa_num_attrs; i++) { 2323*0a586ceaSMark Shellenbaum mdb_readstr(name, MAXPATHLEN, (uintptr_t)table[i].sa_name); 2324*0a586ceaSMark Shellenbaum mdb_printf("%5x %8x %8x %8x %-s\n", 2325*0a586ceaSMark Shellenbaum (int)table[i].sa_attr, (int)table[i].sa_registered, 2326*0a586ceaSMark Shellenbaum (int)table[i].sa_length, table[i].sa_byteswap, name); 2327*0a586ceaSMark Shellenbaum } 2328*0a586ceaSMark Shellenbaum 2329*0a586ceaSMark Shellenbaum return (DCMD_OK); 2330*0a586ceaSMark Shellenbaum } 2331*0a586ceaSMark Shellenbaum 2332*0a586ceaSMark Shellenbaum static int 2333*0a586ceaSMark Shellenbaum sa_get_off_table(uintptr_t addr, uint32_t **off_tab, int attr_count) 2334*0a586ceaSMark Shellenbaum { 2335*0a586ceaSMark Shellenbaum uintptr_t idx_table; 2336*0a586ceaSMark Shellenbaum 2337*0a586ceaSMark Shellenbaum if (GETMEMB(addr, struct sa_idx_tab, sa_idx_tab, idx_table)) { 2338*0a586ceaSMark Shellenbaum mdb_printf("can't find offset table in sa_idx_tab\n"); 2339*0a586ceaSMark Shellenbaum return (-1); 2340*0a586ceaSMark Shellenbaum } 2341*0a586ceaSMark Shellenbaum 2342*0a586ceaSMark Shellenbaum *off_tab = mdb_alloc(attr_count * sizeof (uint32_t), 2343*0a586ceaSMark Shellenbaum UM_SLEEP | UM_GC); 2344*0a586ceaSMark Shellenbaum 2345*0a586ceaSMark Shellenbaum if (mdb_vread(*off_tab, 2346*0a586ceaSMark Shellenbaum attr_count * sizeof (uint32_t), idx_table) == -1) { 2347*0a586ceaSMark Shellenbaum mdb_warn("failed to attribute offset table %p", idx_table); 2348*0a586ceaSMark Shellenbaum return (-1); 2349*0a586ceaSMark Shellenbaum } 2350*0a586ceaSMark Shellenbaum 2351*0a586ceaSMark Shellenbaum return (DCMD_OK); 2352*0a586ceaSMark Shellenbaum } 2353*0a586ceaSMark Shellenbaum 2354*0a586ceaSMark Shellenbaum /*ARGSUSED*/ 2355*0a586ceaSMark Shellenbaum static int 2356*0a586ceaSMark Shellenbaum sa_attr_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 2357*0a586ceaSMark Shellenbaum { 2358*0a586ceaSMark Shellenbaum uint32_t *offset_tab; 2359*0a586ceaSMark Shellenbaum int attr_count; 2360*0a586ceaSMark Shellenbaum uint64_t attr_id; 2361*0a586ceaSMark Shellenbaum uintptr_t attr_addr; 2362*0a586ceaSMark Shellenbaum uintptr_t bonus_tab, spill_tab; 2363*0a586ceaSMark Shellenbaum uintptr_t db_bonus, db_spill; 2364*0a586ceaSMark Shellenbaum uintptr_t os, os_sa; 2365*0a586ceaSMark Shellenbaum uintptr_t db_data; 2366*0a586ceaSMark Shellenbaum 2367*0a586ceaSMark Shellenbaum if (argc != 1) 2368*0a586ceaSMark Shellenbaum return (DCMD_USAGE); 2369*0a586ceaSMark Shellenbaum 2370*0a586ceaSMark Shellenbaum if (argv[0].a_type == MDB_TYPE_STRING) 2371*0a586ceaSMark Shellenbaum attr_id = mdb_strtoull(argv[0].a_un.a_str); 2372*0a586ceaSMark Shellenbaum else 2373*0a586ceaSMark Shellenbaum return (DCMD_USAGE); 2374*0a586ceaSMark Shellenbaum 2375*0a586ceaSMark Shellenbaum if (GETMEMB(addr, struct sa_handle, sa_bonus_tab, bonus_tab) || 2376*0a586ceaSMark Shellenbaum GETMEMB(addr, struct sa_handle, sa_spill_tab, spill_tab) || 2377*0a586ceaSMark Shellenbaum GETMEMB(addr, struct sa_handle, sa_os, os) || 2378*0a586ceaSMark Shellenbaum GETMEMB(addr, struct sa_handle, sa_bonus, db_bonus) || 2379*0a586ceaSMark Shellenbaum GETMEMB(addr, struct sa_handle, sa_spill, db_spill)) { 2380*0a586ceaSMark Shellenbaum mdb_printf("Can't find necessary information in sa_handle " 2381*0a586ceaSMark Shellenbaum "in sa_handle\n"); 2382*0a586ceaSMark Shellenbaum return (DCMD_ERR); 2383*0a586ceaSMark Shellenbaum } 2384*0a586ceaSMark Shellenbaum 2385*0a586ceaSMark Shellenbaum if (GETMEMB(os, struct objset, os_sa, os_sa)) { 2386*0a586ceaSMark Shellenbaum mdb_printf("Can't find os_sa in objset\n"); 2387*0a586ceaSMark Shellenbaum return (DCMD_ERR); 2388*0a586ceaSMark Shellenbaum } 2389*0a586ceaSMark Shellenbaum 2390*0a586ceaSMark Shellenbaum if (GETMEMB(os_sa, struct sa_os, sa_num_attrs, attr_count)) { 2391*0a586ceaSMark Shellenbaum mdb_printf("Can't find sa_num_attrs\n"); 2392*0a586ceaSMark Shellenbaum return (DCMD_ERR); 2393*0a586ceaSMark Shellenbaum } 2394*0a586ceaSMark Shellenbaum 2395*0a586ceaSMark Shellenbaum if (attr_id > attr_count) { 2396*0a586ceaSMark Shellenbaum mdb_printf("attribute id number is out of range\n"); 2397*0a586ceaSMark Shellenbaum return (DCMD_ERR); 2398*0a586ceaSMark Shellenbaum } 2399*0a586ceaSMark Shellenbaum 2400*0a586ceaSMark Shellenbaum if (bonus_tab) { 2401*0a586ceaSMark Shellenbaum if (sa_get_off_table(bonus_tab, &offset_tab, 2402*0a586ceaSMark Shellenbaum attr_count) == -1) { 2403*0a586ceaSMark Shellenbaum return (DCMD_ERR); 2404*0a586ceaSMark Shellenbaum } 2405*0a586ceaSMark Shellenbaum 2406*0a586ceaSMark Shellenbaum if (GETMEMB(db_bonus, struct dmu_buf, db_data, db_data)) { 2407*0a586ceaSMark Shellenbaum mdb_printf("can't find db_data in bonus dbuf\n"); 2408*0a586ceaSMark Shellenbaum return (DCMD_ERR); 2409*0a586ceaSMark Shellenbaum } 2410*0a586ceaSMark Shellenbaum } 2411*0a586ceaSMark Shellenbaum 2412*0a586ceaSMark Shellenbaum if (bonus_tab && !TOC_ATTR_PRESENT(offset_tab[attr_id]) && 2413*0a586ceaSMark Shellenbaum spill_tab == NULL) { 2414*0a586ceaSMark Shellenbaum mdb_printf("Attribute does not exist\n"); 2415*0a586ceaSMark Shellenbaum return (DCMD_ERR); 2416*0a586ceaSMark Shellenbaum } else if (!TOC_ATTR_PRESENT(offset_tab[attr_id]) && spill_tab) { 2417*0a586ceaSMark Shellenbaum if (sa_get_off_table(spill_tab, &offset_tab, 2418*0a586ceaSMark Shellenbaum attr_count) == -1) { 2419*0a586ceaSMark Shellenbaum return (DCMD_ERR); 2420*0a586ceaSMark Shellenbaum } 2421*0a586ceaSMark Shellenbaum if (GETMEMB(db_spill, struct dmu_buf, db_data, db_data)) { 2422*0a586ceaSMark Shellenbaum mdb_printf("can't find db_data in spill dbuf\n"); 2423*0a586ceaSMark Shellenbaum return (DCMD_ERR); 2424*0a586ceaSMark Shellenbaum } 2425*0a586ceaSMark Shellenbaum if (!TOC_ATTR_PRESENT(offset_tab[attr_id])) { 2426*0a586ceaSMark Shellenbaum mdb_printf("Attribute does not exist\n"); 2427*0a586ceaSMark Shellenbaum return (DCMD_ERR); 2428*0a586ceaSMark Shellenbaum } 2429*0a586ceaSMark Shellenbaum } 2430*0a586ceaSMark Shellenbaum attr_addr = db_data + TOC_OFF(offset_tab[attr_id]); 2431*0a586ceaSMark Shellenbaum mdb_printf("%p\n", attr_addr); 2432*0a586ceaSMark Shellenbaum return (DCMD_OK); 2433*0a586ceaSMark Shellenbaum } 2434*0a586ceaSMark Shellenbaum 2435*0a586ceaSMark Shellenbaum /* ARGSUSED */ 2436*0a586ceaSMark Shellenbaum static int 2437*0a586ceaSMark Shellenbaum zfs_ace_print_common(uintptr_t addr, uint_t flags, 2438*0a586ceaSMark Shellenbaum uint64_t id, uint32_t access_mask, uint16_t ace_flags, 2439*0a586ceaSMark Shellenbaum uint16_t ace_type, int verbose) 2440*0a586ceaSMark Shellenbaum { 2441*0a586ceaSMark Shellenbaum if (DCMD_HDRSPEC(flags) && !verbose) 2442*0a586ceaSMark Shellenbaum mdb_printf("%<u>%-?s %-8s %-8s %-8s %s%</u>\n", 2443*0a586ceaSMark Shellenbaum "ADDR", "FLAGS", "MASK", "TYPE", "ID"); 2444*0a586ceaSMark Shellenbaum 2445*0a586ceaSMark Shellenbaum if (!verbose) { 2446*0a586ceaSMark Shellenbaum mdb_printf("%0?p %-8x %-8x %-8x %-llx\n", addr, 2447*0a586ceaSMark Shellenbaum ace_flags, access_mask, ace_type, id); 2448*0a586ceaSMark Shellenbaum return (DCMD_OK); 2449*0a586ceaSMark Shellenbaum } 2450*0a586ceaSMark Shellenbaum 2451*0a586ceaSMark Shellenbaum switch (ace_flags & ACE_TYPE_FLAGS) { 2452*0a586ceaSMark Shellenbaum case ACE_OWNER: 2453*0a586ceaSMark Shellenbaum mdb_printf("owner@:"); 2454*0a586ceaSMark Shellenbaum break; 2455*0a586ceaSMark Shellenbaum case (ACE_IDENTIFIER_GROUP | ACE_GROUP): 2456*0a586ceaSMark Shellenbaum mdb_printf("group@:"); 2457*0a586ceaSMark Shellenbaum break; 2458*0a586ceaSMark Shellenbaum case ACE_EVERYONE: 2459*0a586ceaSMark Shellenbaum mdb_printf("everyone@:"); 2460*0a586ceaSMark Shellenbaum break; 2461*0a586ceaSMark Shellenbaum case ACE_IDENTIFIER_GROUP: 2462*0a586ceaSMark Shellenbaum mdb_printf("group:%llx:", (u_longlong_t)id); 2463*0a586ceaSMark Shellenbaum break; 2464*0a586ceaSMark Shellenbaum case 0: /* User entry */ 2465*0a586ceaSMark Shellenbaum mdb_printf("user:%llx:", (u_longlong_t)id); 2466*0a586ceaSMark Shellenbaum break; 2467*0a586ceaSMark Shellenbaum } 2468*0a586ceaSMark Shellenbaum 2469*0a586ceaSMark Shellenbaum /* print out permission mask */ 2470*0a586ceaSMark Shellenbaum if (access_mask & ACE_READ_DATA) 2471*0a586ceaSMark Shellenbaum mdb_printf("r"); 2472*0a586ceaSMark Shellenbaum else 2473*0a586ceaSMark Shellenbaum mdb_printf("-"); 2474*0a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_DATA) 2475*0a586ceaSMark Shellenbaum mdb_printf("w"); 2476*0a586ceaSMark Shellenbaum else 2477*0a586ceaSMark Shellenbaum mdb_printf("-"); 2478*0a586ceaSMark Shellenbaum if (access_mask & ACE_EXECUTE) 2479*0a586ceaSMark Shellenbaum mdb_printf("x"); 2480*0a586ceaSMark Shellenbaum else 2481*0a586ceaSMark Shellenbaum mdb_printf("-"); 2482*0a586ceaSMark Shellenbaum if (access_mask & ACE_APPEND_DATA) 2483*0a586ceaSMark Shellenbaum mdb_printf("p"); 2484*0a586ceaSMark Shellenbaum else 2485*0a586ceaSMark Shellenbaum mdb_printf("-"); 2486*0a586ceaSMark Shellenbaum if (access_mask & ACE_DELETE) 2487*0a586ceaSMark Shellenbaum mdb_printf("d"); 2488*0a586ceaSMark Shellenbaum else 2489*0a586ceaSMark Shellenbaum mdb_printf("-"); 2490*0a586ceaSMark Shellenbaum if (access_mask & ACE_DELETE_CHILD) 2491*0a586ceaSMark Shellenbaum mdb_printf("D"); 2492*0a586ceaSMark Shellenbaum else 2493*0a586ceaSMark Shellenbaum mdb_printf("-"); 2494*0a586ceaSMark Shellenbaum if (access_mask & ACE_READ_ATTRIBUTES) 2495*0a586ceaSMark Shellenbaum mdb_printf("a"); 2496*0a586ceaSMark Shellenbaum else 2497*0a586ceaSMark Shellenbaum mdb_printf("-"); 2498*0a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_ATTRIBUTES) 2499*0a586ceaSMark Shellenbaum mdb_printf("A"); 2500*0a586ceaSMark Shellenbaum else 2501*0a586ceaSMark Shellenbaum mdb_printf("-"); 2502*0a586ceaSMark Shellenbaum if (access_mask & ACE_READ_NAMED_ATTRS) 2503*0a586ceaSMark Shellenbaum mdb_printf("R"); 2504*0a586ceaSMark Shellenbaum else 2505*0a586ceaSMark Shellenbaum mdb_printf("-"); 2506*0a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_NAMED_ATTRS) 2507*0a586ceaSMark Shellenbaum mdb_printf("W"); 2508*0a586ceaSMark Shellenbaum else 2509*0a586ceaSMark Shellenbaum mdb_printf("-"); 2510*0a586ceaSMark Shellenbaum if (access_mask & ACE_READ_ACL) 2511*0a586ceaSMark Shellenbaum mdb_printf("c"); 2512*0a586ceaSMark Shellenbaum else 2513*0a586ceaSMark Shellenbaum mdb_printf("-"); 2514*0a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_ACL) 2515*0a586ceaSMark Shellenbaum mdb_printf("C"); 2516*0a586ceaSMark Shellenbaum else 2517*0a586ceaSMark Shellenbaum mdb_printf("-"); 2518*0a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_OWNER) 2519*0a586ceaSMark Shellenbaum mdb_printf("o"); 2520*0a586ceaSMark Shellenbaum else 2521*0a586ceaSMark Shellenbaum mdb_printf("-"); 2522*0a586ceaSMark Shellenbaum if (access_mask & ACE_SYNCHRONIZE) 2523*0a586ceaSMark Shellenbaum mdb_printf("s"); 2524*0a586ceaSMark Shellenbaum else 2525*0a586ceaSMark Shellenbaum mdb_printf("-"); 2526*0a586ceaSMark Shellenbaum 2527*0a586ceaSMark Shellenbaum mdb_printf(":"); 2528*0a586ceaSMark Shellenbaum 2529*0a586ceaSMark Shellenbaum /* Print out inheritance flags */ 2530*0a586ceaSMark Shellenbaum if (ace_flags & ACE_FILE_INHERIT_ACE) 2531*0a586ceaSMark Shellenbaum mdb_printf("f"); 2532*0a586ceaSMark Shellenbaum else 2533*0a586ceaSMark Shellenbaum mdb_printf("-"); 2534*0a586ceaSMark Shellenbaum if (ace_flags & ACE_DIRECTORY_INHERIT_ACE) 2535*0a586ceaSMark Shellenbaum mdb_printf("d"); 2536*0a586ceaSMark Shellenbaum else 2537*0a586ceaSMark Shellenbaum mdb_printf("-"); 2538*0a586ceaSMark Shellenbaum if (ace_flags & ACE_INHERIT_ONLY_ACE) 2539*0a586ceaSMark Shellenbaum mdb_printf("i"); 2540*0a586ceaSMark Shellenbaum else 2541*0a586ceaSMark Shellenbaum mdb_printf("-"); 2542*0a586ceaSMark Shellenbaum if (ace_flags & ACE_NO_PROPAGATE_INHERIT_ACE) 2543*0a586ceaSMark Shellenbaum mdb_printf("n"); 2544*0a586ceaSMark Shellenbaum else 2545*0a586ceaSMark Shellenbaum mdb_printf("-"); 2546*0a586ceaSMark Shellenbaum if (ace_flags & ACE_SUCCESSFUL_ACCESS_ACE_FLAG) 2547*0a586ceaSMark Shellenbaum mdb_printf("S"); 2548*0a586ceaSMark Shellenbaum else 2549*0a586ceaSMark Shellenbaum mdb_printf("-"); 2550*0a586ceaSMark Shellenbaum if (ace_flags & ACE_FAILED_ACCESS_ACE_FLAG) 2551*0a586ceaSMark Shellenbaum mdb_printf("F"); 2552*0a586ceaSMark Shellenbaum else 2553*0a586ceaSMark Shellenbaum mdb_printf("-"); 2554*0a586ceaSMark Shellenbaum if (ace_flags & ACE_INHERITED_ACE) 2555*0a586ceaSMark Shellenbaum mdb_printf("I"); 2556*0a586ceaSMark Shellenbaum else 2557*0a586ceaSMark Shellenbaum mdb_printf("-"); 2558*0a586ceaSMark Shellenbaum 2559*0a586ceaSMark Shellenbaum switch (ace_type) { 2560*0a586ceaSMark Shellenbaum case ACE_ACCESS_ALLOWED_ACE_TYPE: 2561*0a586ceaSMark Shellenbaum mdb_printf(":allow\n"); 2562*0a586ceaSMark Shellenbaum break; 2563*0a586ceaSMark Shellenbaum case ACE_ACCESS_DENIED_ACE_TYPE: 2564*0a586ceaSMark Shellenbaum mdb_printf(":deny\n"); 2565*0a586ceaSMark Shellenbaum break; 2566*0a586ceaSMark Shellenbaum case ACE_SYSTEM_AUDIT_ACE_TYPE: 2567*0a586ceaSMark Shellenbaum mdb_printf(":audit\n"); 2568*0a586ceaSMark Shellenbaum break; 2569*0a586ceaSMark Shellenbaum case ACE_SYSTEM_ALARM_ACE_TYPE: 2570*0a586ceaSMark Shellenbaum mdb_printf(":alarm\n"); 2571*0a586ceaSMark Shellenbaum break; 2572*0a586ceaSMark Shellenbaum default: 2573*0a586ceaSMark Shellenbaum mdb_printf(":?\n"); 2574*0a586ceaSMark Shellenbaum } 2575*0a586ceaSMark Shellenbaum return (DCMD_OK); 2576*0a586ceaSMark Shellenbaum } 2577*0a586ceaSMark Shellenbaum 2578*0a586ceaSMark Shellenbaum /* ARGSUSED */ 2579*0a586ceaSMark Shellenbaum static int 2580*0a586ceaSMark Shellenbaum zfs_ace_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 2581*0a586ceaSMark Shellenbaum { 2582*0a586ceaSMark Shellenbaum zfs_ace_t zace; 2583*0a586ceaSMark Shellenbaum int verbose = FALSE; 2584*0a586ceaSMark Shellenbaum uint64_t id; 2585*0a586ceaSMark Shellenbaum 2586*0a586ceaSMark Shellenbaum if (!(flags & DCMD_ADDRSPEC)) 2587*0a586ceaSMark Shellenbaum return (DCMD_USAGE); 2588*0a586ceaSMark Shellenbaum 2589*0a586ceaSMark Shellenbaum if (mdb_getopts(argc, argv, 2590*0a586ceaSMark Shellenbaum 'v', MDB_OPT_SETBITS, TRUE, &verbose, TRUE, NULL) != argc) 2591*0a586ceaSMark Shellenbaum return (DCMD_USAGE); 2592*0a586ceaSMark Shellenbaum 2593*0a586ceaSMark Shellenbaum if (mdb_vread(&zace, sizeof (zfs_ace_t), addr) == -1) { 2594*0a586ceaSMark Shellenbaum mdb_warn("failed to read zfs_ace_t"); 2595*0a586ceaSMark Shellenbaum return (DCMD_ERR); 2596*0a586ceaSMark Shellenbaum } 2597*0a586ceaSMark Shellenbaum 2598*0a586ceaSMark Shellenbaum if ((zace.z_hdr.z_flags & ACE_TYPE_FLAGS) == 0 || 2599*0a586ceaSMark Shellenbaum (zace.z_hdr.z_flags & ACE_TYPE_FLAGS) == ACE_IDENTIFIER_GROUP) 2600*0a586ceaSMark Shellenbaum id = zace.z_fuid; 2601*0a586ceaSMark Shellenbaum else 2602*0a586ceaSMark Shellenbaum id = -1; 2603*0a586ceaSMark Shellenbaum 2604*0a586ceaSMark Shellenbaum return (zfs_ace_print_common(addr, flags, id, zace.z_hdr.z_access_mask, 2605*0a586ceaSMark Shellenbaum zace.z_hdr.z_flags, zace.z_hdr.z_type, verbose)); 2606*0a586ceaSMark Shellenbaum } 2607*0a586ceaSMark Shellenbaum 2608*0a586ceaSMark Shellenbaum /* ARGSUSED */ 2609*0a586ceaSMark Shellenbaum static int 2610*0a586ceaSMark Shellenbaum zfs_ace0_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 2611*0a586ceaSMark Shellenbaum { 2612*0a586ceaSMark Shellenbaum ace_t ace; 2613*0a586ceaSMark Shellenbaum uint64_t id; 2614*0a586ceaSMark Shellenbaum int verbose = FALSE; 2615*0a586ceaSMark Shellenbaum 2616*0a586ceaSMark Shellenbaum if (!(flags & DCMD_ADDRSPEC)) 2617*0a586ceaSMark Shellenbaum return (DCMD_USAGE); 2618*0a586ceaSMark Shellenbaum 2619*0a586ceaSMark Shellenbaum if (mdb_getopts(argc, argv, 2620*0a586ceaSMark Shellenbaum 'v', MDB_OPT_SETBITS, TRUE, &verbose, TRUE, NULL) != argc) 2621*0a586ceaSMark Shellenbaum return (DCMD_USAGE); 2622*0a586ceaSMark Shellenbaum 2623*0a586ceaSMark Shellenbaum if (mdb_vread(&ace, sizeof (ace_t), addr) == -1) { 2624*0a586ceaSMark Shellenbaum mdb_warn("failed to read ace_t"); 2625*0a586ceaSMark Shellenbaum return (DCMD_ERR); 2626*0a586ceaSMark Shellenbaum } 2627*0a586ceaSMark Shellenbaum 2628*0a586ceaSMark Shellenbaum if ((ace.a_flags & ACE_TYPE_FLAGS) == 0 || 2629*0a586ceaSMark Shellenbaum (ace.a_flags & ACE_TYPE_FLAGS) == ACE_IDENTIFIER_GROUP) 2630*0a586ceaSMark Shellenbaum id = ace.a_who; 2631*0a586ceaSMark Shellenbaum else 2632*0a586ceaSMark Shellenbaum id = -1; 2633*0a586ceaSMark Shellenbaum 2634*0a586ceaSMark Shellenbaum return (zfs_ace_print_common(addr, flags, id, ace.a_access_mask, 2635*0a586ceaSMark Shellenbaum ace.a_flags, ace.a_type, verbose)); 2636*0a586ceaSMark Shellenbaum } 2637*0a586ceaSMark Shellenbaum 2638*0a586ceaSMark Shellenbaum typedef struct acl_dump_args { 2639*0a586ceaSMark Shellenbaum int a_argc; 2640*0a586ceaSMark Shellenbaum const mdb_arg_t *a_argv; 2641*0a586ceaSMark Shellenbaum uint16_t a_version; 2642*0a586ceaSMark Shellenbaum int a_flags; 2643*0a586ceaSMark Shellenbaum } acl_dump_args_t; 2644*0a586ceaSMark Shellenbaum 2645*0a586ceaSMark Shellenbaum /* ARGSUSED */ 2646*0a586ceaSMark Shellenbaum static int 2647*0a586ceaSMark Shellenbaum acl_aces_cb(uintptr_t addr, const void *unknown, void *arg) 2648*0a586ceaSMark Shellenbaum { 2649*0a586ceaSMark Shellenbaum acl_dump_args_t *acl_args = (acl_dump_args_t *)arg; 2650*0a586ceaSMark Shellenbaum 2651*0a586ceaSMark Shellenbaum if (acl_args->a_version == 1) { 2652*0a586ceaSMark Shellenbaum if (mdb_call_dcmd("zfs_ace", addr, 2653*0a586ceaSMark Shellenbaum DCMD_ADDRSPEC|acl_args->a_flags, acl_args->a_argc, 2654*0a586ceaSMark Shellenbaum acl_args->a_argv) != DCMD_OK) { 2655*0a586ceaSMark Shellenbaum return (WALK_ERR); 2656*0a586ceaSMark Shellenbaum } 2657*0a586ceaSMark Shellenbaum } else { 2658*0a586ceaSMark Shellenbaum if (mdb_call_dcmd("zfs_ace0", addr, 2659*0a586ceaSMark Shellenbaum DCMD_ADDRSPEC|acl_args->a_flags, acl_args->a_argc, 2660*0a586ceaSMark Shellenbaum acl_args->a_argv) != DCMD_OK) { 2661*0a586ceaSMark Shellenbaum return (WALK_ERR); 2662*0a586ceaSMark Shellenbaum } 2663*0a586ceaSMark Shellenbaum } 2664*0a586ceaSMark Shellenbaum acl_args->a_flags = DCMD_LOOP; 2665*0a586ceaSMark Shellenbaum return (WALK_NEXT); 2666*0a586ceaSMark Shellenbaum } 2667*0a586ceaSMark Shellenbaum 2668*0a586ceaSMark Shellenbaum /* ARGSUSED */ 2669*0a586ceaSMark Shellenbaum static int 2670*0a586ceaSMark Shellenbaum acl_cb(uintptr_t addr, const void *unknown, void *arg) 2671*0a586ceaSMark Shellenbaum { 2672*0a586ceaSMark Shellenbaum acl_dump_args_t *acl_args = (acl_dump_args_t *)arg; 2673*0a586ceaSMark Shellenbaum 2674*0a586ceaSMark Shellenbaum if (acl_args->a_version == 1) { 2675*0a586ceaSMark Shellenbaum if (mdb_pwalk("zfs_acl_node_aces", acl_aces_cb, 2676*0a586ceaSMark Shellenbaum arg, addr) != 0) { 2677*0a586ceaSMark Shellenbaum mdb_warn("can't walk ACEs"); 2678*0a586ceaSMark Shellenbaum return (DCMD_ERR); 2679*0a586ceaSMark Shellenbaum } 2680*0a586ceaSMark Shellenbaum } else { 2681*0a586ceaSMark Shellenbaum if (mdb_pwalk("zfs_acl_node_aces0", acl_aces_cb, 2682*0a586ceaSMark Shellenbaum arg, addr) != 0) { 2683*0a586ceaSMark Shellenbaum mdb_warn("can't walk ACEs"); 2684*0a586ceaSMark Shellenbaum return (DCMD_ERR); 2685*0a586ceaSMark Shellenbaum } 2686*0a586ceaSMark Shellenbaum } 2687*0a586ceaSMark Shellenbaum return (WALK_NEXT); 2688*0a586ceaSMark Shellenbaum } 2689*0a586ceaSMark Shellenbaum 2690*0a586ceaSMark Shellenbaum /* ARGSUSED */ 2691*0a586ceaSMark Shellenbaum static int 2692*0a586ceaSMark Shellenbaum zfs_acl_dump(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 2693*0a586ceaSMark Shellenbaum { 2694*0a586ceaSMark Shellenbaum zfs_acl_t zacl; 2695*0a586ceaSMark Shellenbaum int verbose = FALSE; 2696*0a586ceaSMark Shellenbaum acl_dump_args_t acl_args; 2697*0a586ceaSMark Shellenbaum 2698*0a586ceaSMark Shellenbaum if (!(flags & DCMD_ADDRSPEC)) 2699*0a586ceaSMark Shellenbaum return (DCMD_USAGE); 2700*0a586ceaSMark Shellenbaum 2701*0a586ceaSMark Shellenbaum if (mdb_getopts(argc, argv, 2702*0a586ceaSMark Shellenbaum 'v', MDB_OPT_SETBITS, TRUE, &verbose, TRUE, NULL) != argc) 2703*0a586ceaSMark Shellenbaum return (DCMD_USAGE); 2704*0a586ceaSMark Shellenbaum 2705*0a586ceaSMark Shellenbaum if (mdb_vread(&zacl, sizeof (zfs_acl_t), addr) == -1) { 2706*0a586ceaSMark Shellenbaum mdb_warn("failed to read zfs_acl_t"); 2707*0a586ceaSMark Shellenbaum return (DCMD_ERR); 2708*0a586ceaSMark Shellenbaum } 2709*0a586ceaSMark Shellenbaum 2710*0a586ceaSMark Shellenbaum acl_args.a_argc = argc; 2711*0a586ceaSMark Shellenbaum acl_args.a_argv = argv; 2712*0a586ceaSMark Shellenbaum acl_args.a_version = zacl.z_version; 2713*0a586ceaSMark Shellenbaum acl_args.a_flags = DCMD_LOOPFIRST; 2714*0a586ceaSMark Shellenbaum 2715*0a586ceaSMark Shellenbaum if (mdb_pwalk("zfs_acl_node", acl_cb, &acl_args, addr) != 0) { 2716*0a586ceaSMark Shellenbaum mdb_warn("can't walk ACL"); 2717*0a586ceaSMark Shellenbaum return (DCMD_ERR); 2718*0a586ceaSMark Shellenbaum } 2719*0a586ceaSMark Shellenbaum 2720*0a586ceaSMark Shellenbaum return (DCMD_OK); 2721*0a586ceaSMark Shellenbaum } 2722*0a586ceaSMark Shellenbaum 2723*0a586ceaSMark Shellenbaum /* ARGSUSED */ 2724*0a586ceaSMark Shellenbaum static int 2725*0a586ceaSMark Shellenbaum zfs_acl_node_walk_init(mdb_walk_state_t *wsp) 2726*0a586ceaSMark Shellenbaum { 2727*0a586ceaSMark Shellenbaum if (wsp->walk_addr == NULL) { 2728*0a586ceaSMark Shellenbaum mdb_warn("must supply address of zfs_acl_node_t\n"); 2729*0a586ceaSMark Shellenbaum return (WALK_ERR); 2730*0a586ceaSMark Shellenbaum } 2731*0a586ceaSMark Shellenbaum 2732*0a586ceaSMark Shellenbaum wsp->walk_addr += OFFSETOF(zfs_acl_t, z_acl); 2733*0a586ceaSMark Shellenbaum 2734*0a586ceaSMark Shellenbaum if (mdb_layered_walk("list", wsp) == -1) { 2735*0a586ceaSMark Shellenbaum mdb_warn("failed to walk 'list'\n"); 2736*0a586ceaSMark Shellenbaum return (WALK_ERR); 2737*0a586ceaSMark Shellenbaum } 2738*0a586ceaSMark Shellenbaum 2739*0a586ceaSMark Shellenbaum return (WALK_NEXT); 2740*0a586ceaSMark Shellenbaum } 2741*0a586ceaSMark Shellenbaum 2742*0a586ceaSMark Shellenbaum static int 2743*0a586ceaSMark Shellenbaum zfs_acl_node_walk_step(mdb_walk_state_t *wsp) 2744*0a586ceaSMark Shellenbaum { 2745*0a586ceaSMark Shellenbaum zfs_acl_node_t aclnode; 2746*0a586ceaSMark Shellenbaum 2747*0a586ceaSMark Shellenbaum if (mdb_vread(&aclnode, sizeof (zfs_acl_node_t), 2748*0a586ceaSMark Shellenbaum wsp->walk_addr) == -1) { 2749*0a586ceaSMark Shellenbaum mdb_warn("failed to read zfs_acl_node at %p", wsp->walk_addr); 2750*0a586ceaSMark Shellenbaum return (WALK_ERR); 2751*0a586ceaSMark Shellenbaum } 2752*0a586ceaSMark Shellenbaum 2753*0a586ceaSMark Shellenbaum return (wsp->walk_callback(wsp->walk_addr, &aclnode, wsp->walk_cbdata)); 2754*0a586ceaSMark Shellenbaum } 2755*0a586ceaSMark Shellenbaum 2756*0a586ceaSMark Shellenbaum typedef struct ace_walk_data { 2757*0a586ceaSMark Shellenbaum int ace_count; 2758*0a586ceaSMark Shellenbaum int ace_version; 2759*0a586ceaSMark Shellenbaum } ace_walk_data_t; 2760*0a586ceaSMark Shellenbaum 2761*0a586ceaSMark Shellenbaum static int 2762*0a586ceaSMark Shellenbaum zfs_aces_walk_init_common(mdb_walk_state_t *wsp, int version, 2763*0a586ceaSMark Shellenbaum int ace_count, uintptr_t ace_data) 2764*0a586ceaSMark Shellenbaum { 2765*0a586ceaSMark Shellenbaum ace_walk_data_t *ace_walk_data; 2766*0a586ceaSMark Shellenbaum 2767*0a586ceaSMark Shellenbaum if (wsp->walk_addr == NULL) { 2768*0a586ceaSMark Shellenbaum mdb_warn("must supply address of zfs_acl_node_t\n"); 2769*0a586ceaSMark Shellenbaum return (WALK_ERR); 2770*0a586ceaSMark Shellenbaum } 2771*0a586ceaSMark Shellenbaum 2772*0a586ceaSMark Shellenbaum ace_walk_data = mdb_alloc(sizeof (ace_walk_data_t), UM_SLEEP | UM_GC); 2773*0a586ceaSMark Shellenbaum 2774*0a586ceaSMark Shellenbaum ace_walk_data->ace_count = ace_count; 2775*0a586ceaSMark Shellenbaum ace_walk_data->ace_version = version; 2776*0a586ceaSMark Shellenbaum 2777*0a586ceaSMark Shellenbaum wsp->walk_addr = ace_data; 2778*0a586ceaSMark Shellenbaum wsp->walk_data = ace_walk_data; 2779*0a586ceaSMark Shellenbaum 2780*0a586ceaSMark Shellenbaum return (WALK_NEXT); 2781*0a586ceaSMark Shellenbaum } 2782*0a586ceaSMark Shellenbaum 2783*0a586ceaSMark Shellenbaum static int 2784*0a586ceaSMark Shellenbaum zfs_acl_node_aces_walk_init_common(mdb_walk_state_t *wsp, int version) 2785*0a586ceaSMark Shellenbaum { 2786*0a586ceaSMark Shellenbaum static int gotid; 2787*0a586ceaSMark Shellenbaum static mdb_ctf_id_t acl_id; 2788*0a586ceaSMark Shellenbaum int z_ace_count; 2789*0a586ceaSMark Shellenbaum uintptr_t z_acldata; 2790*0a586ceaSMark Shellenbaum 2791*0a586ceaSMark Shellenbaum if (!gotid) { 2792*0a586ceaSMark Shellenbaum if (mdb_ctf_lookup_by_name("struct zfs_acl_node", 2793*0a586ceaSMark Shellenbaum &acl_id) == -1) { 2794*0a586ceaSMark Shellenbaum mdb_warn("couldn't find struct zfs_acl_node"); 2795*0a586ceaSMark Shellenbaum return (DCMD_ERR); 2796*0a586ceaSMark Shellenbaum } 2797*0a586ceaSMark Shellenbaum gotid = TRUE; 2798*0a586ceaSMark Shellenbaum } 2799*0a586ceaSMark Shellenbaum 2800*0a586ceaSMark Shellenbaum if (GETMEMBID(wsp->walk_addr, &acl_id, z_ace_count, z_ace_count)) { 2801*0a586ceaSMark Shellenbaum return (DCMD_ERR); 2802*0a586ceaSMark Shellenbaum } 2803*0a586ceaSMark Shellenbaum if (GETMEMBID(wsp->walk_addr, &acl_id, z_acldata, z_acldata)) { 2804*0a586ceaSMark Shellenbaum return (DCMD_ERR); 2805*0a586ceaSMark Shellenbaum } 2806*0a586ceaSMark Shellenbaum 2807*0a586ceaSMark Shellenbaum return (zfs_aces_walk_init_common(wsp, version, 2808*0a586ceaSMark Shellenbaum z_ace_count, z_acldata)); 2809*0a586ceaSMark Shellenbaum } 2810*0a586ceaSMark Shellenbaum 2811*0a586ceaSMark Shellenbaum /* ARGSUSED */ 2812*0a586ceaSMark Shellenbaum static int 2813*0a586ceaSMark Shellenbaum zfs_acl_node_aces_walk_init(mdb_walk_state_t *wsp) 2814*0a586ceaSMark Shellenbaum { 2815*0a586ceaSMark Shellenbaum return (zfs_acl_node_aces_walk_init_common(wsp, 1)); 2816*0a586ceaSMark Shellenbaum } 2817*0a586ceaSMark Shellenbaum 2818*0a586ceaSMark Shellenbaum /* ARGSUSED */ 2819*0a586ceaSMark Shellenbaum static int 2820*0a586ceaSMark Shellenbaum zfs_acl_node_aces0_walk_init(mdb_walk_state_t *wsp) 2821*0a586ceaSMark Shellenbaum { 2822*0a586ceaSMark Shellenbaum return (zfs_acl_node_aces_walk_init_common(wsp, 0)); 2823*0a586ceaSMark Shellenbaum } 2824*0a586ceaSMark Shellenbaum 2825*0a586ceaSMark Shellenbaum static int 2826*0a586ceaSMark Shellenbaum zfs_aces_walk_step(mdb_walk_state_t *wsp) 2827*0a586ceaSMark Shellenbaum { 2828*0a586ceaSMark Shellenbaum ace_walk_data_t *ace_data = wsp->walk_data; 2829*0a586ceaSMark Shellenbaum zfs_ace_t zace; 2830*0a586ceaSMark Shellenbaum ace_t *acep; 2831*0a586ceaSMark Shellenbaum int status; 2832*0a586ceaSMark Shellenbaum int entry_type; 2833*0a586ceaSMark Shellenbaum int allow_type; 2834*0a586ceaSMark Shellenbaum uintptr_t ptr; 2835*0a586ceaSMark Shellenbaum 2836*0a586ceaSMark Shellenbaum if (ace_data->ace_count == 0) 2837*0a586ceaSMark Shellenbaum return (WALK_DONE); 2838*0a586ceaSMark Shellenbaum 2839*0a586ceaSMark Shellenbaum if (mdb_vread(&zace, sizeof (zfs_ace_t), wsp->walk_addr) == -1) { 2840*0a586ceaSMark Shellenbaum mdb_warn("failed to read zfs_ace_t at %#lx", 2841*0a586ceaSMark Shellenbaum wsp->walk_addr); 2842*0a586ceaSMark Shellenbaum return (WALK_ERR); 2843*0a586ceaSMark Shellenbaum } 2844*0a586ceaSMark Shellenbaum 2845*0a586ceaSMark Shellenbaum switch (ace_data->ace_version) { 2846*0a586ceaSMark Shellenbaum case 0: 2847*0a586ceaSMark Shellenbaum acep = (ace_t *)&zace; 2848*0a586ceaSMark Shellenbaum entry_type = acep->a_flags & ACE_TYPE_FLAGS; 2849*0a586ceaSMark Shellenbaum allow_type = acep->a_type; 2850*0a586ceaSMark Shellenbaum break; 2851*0a586ceaSMark Shellenbaum case 1: 2852*0a586ceaSMark Shellenbaum entry_type = zace.z_hdr.z_flags & ACE_TYPE_FLAGS; 2853*0a586ceaSMark Shellenbaum allow_type = zace.z_hdr.z_type; 2854*0a586ceaSMark Shellenbaum break; 2855*0a586ceaSMark Shellenbaum default: 2856*0a586ceaSMark Shellenbaum return (WALK_ERR); 2857*0a586ceaSMark Shellenbaum } 2858*0a586ceaSMark Shellenbaum 2859*0a586ceaSMark Shellenbaum ptr = (uintptr_t)wsp->walk_addr; 2860*0a586ceaSMark Shellenbaum switch (entry_type) { 2861*0a586ceaSMark Shellenbaum case ACE_OWNER: 2862*0a586ceaSMark Shellenbaum case ACE_EVERYONE: 2863*0a586ceaSMark Shellenbaum case (ACE_IDENTIFIER_GROUP | ACE_GROUP): 2864*0a586ceaSMark Shellenbaum ptr += ace_data->ace_version == 0 ? 2865*0a586ceaSMark Shellenbaum sizeof (ace_t) : sizeof (zfs_ace_hdr_t); 2866*0a586ceaSMark Shellenbaum break; 2867*0a586ceaSMark Shellenbaum case ACE_IDENTIFIER_GROUP: 2868*0a586ceaSMark Shellenbaum default: 2869*0a586ceaSMark Shellenbaum switch (allow_type) { 2870*0a586ceaSMark Shellenbaum case ACE_ACCESS_ALLOWED_OBJECT_ACE_TYPE: 2871*0a586ceaSMark Shellenbaum case ACE_ACCESS_DENIED_OBJECT_ACE_TYPE: 2872*0a586ceaSMark Shellenbaum case ACE_SYSTEM_AUDIT_OBJECT_ACE_TYPE: 2873*0a586ceaSMark Shellenbaum case ACE_SYSTEM_ALARM_OBJECT_ACE_TYPE: 2874*0a586ceaSMark Shellenbaum ptr += ace_data->ace_version == 0 ? 2875*0a586ceaSMark Shellenbaum sizeof (ace_t) : sizeof (zfs_object_ace_t); 2876*0a586ceaSMark Shellenbaum break; 2877*0a586ceaSMark Shellenbaum default: 2878*0a586ceaSMark Shellenbaum ptr += ace_data->ace_version == 0 ? 2879*0a586ceaSMark Shellenbaum sizeof (ace_t) : sizeof (zfs_ace_t); 2880*0a586ceaSMark Shellenbaum break; 2881*0a586ceaSMark Shellenbaum } 2882*0a586ceaSMark Shellenbaum } 2883*0a586ceaSMark Shellenbaum 2884*0a586ceaSMark Shellenbaum ace_data->ace_count--; 2885*0a586ceaSMark Shellenbaum status = wsp->walk_callback(wsp->walk_addr, 2886*0a586ceaSMark Shellenbaum (void *)(uintptr_t)&zace, wsp->walk_cbdata); 2887*0a586ceaSMark Shellenbaum 2888*0a586ceaSMark Shellenbaum wsp->walk_addr = ptr; 2889*0a586ceaSMark Shellenbaum return (status); 2890*0a586ceaSMark Shellenbaum } 2891*0a586ceaSMark Shellenbaum 2892fa9e4066Sahrens /* 2893fa9e4066Sahrens * MDB module linkage information: 2894fa9e4066Sahrens * 2895fa9e4066Sahrens * We declare a list of structures describing our dcmds, and a function 2896fa9e4066Sahrens * named _mdb_init to return a pointer to our module information. 2897fa9e4066Sahrens */ 2898fa9e4066Sahrens 2899fa9e4066Sahrens static const mdb_dcmd_t dcmds[] = { 290091ebeef5Sahrens { "arc", "[-bkmg]", "print ARC variables", arc_print }, 2901fa9e4066Sahrens { "blkptr", ":", "print blkptr_t", blkptr }, 2902fa9e4066Sahrens { "dbuf", ":", "print dmu_buf_impl_t", dbuf }, 2903fa9e4066Sahrens { "dbuf_stats", ":", "dbuf stats", dbuf_stats }, 2904fa9e4066Sahrens { "dbufs", 2905*0a586ceaSMark Shellenbaum "\t[-O objset_impl_t*] [-n objset_name | \"mos\"] " 2906a3f829aeSBill Moore "[-o object | \"mdn\"] \n" 2907a3f829aeSBill Moore "\t[-l level] [-b blkid | \"bonus\"]", 2908a3f829aeSBill Moore "find dmu_buf_impl_t's that match specified criteria", dbufs }, 2909fa9e4066Sahrens { "abuf_find", "dva_word[0] dva_word[1]", 2910a3f829aeSBill Moore "find arc_buf_hdr_t of a specified DVA", 2911a3f829aeSBill Moore abuf_find }, 2912fa9e4066Sahrens { "spa", "?[-cv]", "spa_t summary", spa_print }, 2913fa9e4066Sahrens { "spa_config", ":", "print spa_t configuration", spa_print_config }, 2914fa9e4066Sahrens { "spa_verify", ":", "verify spa_t consistency", spa_verify }, 2915fa9e4066Sahrens { "spa_space", ":[-b]", "print spa_t on-disk space usage", spa_space }, 2916fa9e4066Sahrens { "spa_vdevs", ":", "given a spa_t, print vdev summary", spa_vdevs }, 291791ebeef5Sahrens { "vdev", ":[-re]\n" 2918a3f829aeSBill Moore "\t-r display recursively\n" 2919a3f829aeSBill Moore "\t-e print statistics", 2920a3f829aeSBill Moore "vdev_t summary", vdev_print }, 2921a3f829aeSBill Moore { "zio", ":[cpr]\n" 2922a3f829aeSBill Moore "\t-c display children\n" 2923a3f829aeSBill Moore "\t-p display parents\n" 2924a3f829aeSBill Moore "\t-r display recursively", 2925a3f829aeSBill Moore "zio_t summary", zio_print }, 2926ccae0b50Seschrock { "zio_state", "?", "print out all zio_t structures on system or " 2927ccae0b50Seschrock "for a particular pool", zio_state }, 292888b7b0f2SMatthew Ahrens { "zfs_blkstats", ":[-v]", 292988b7b0f2SMatthew Ahrens "given a spa_t, print block type stats from last scrub", 293088b7b0f2SMatthew Ahrens zfs_blkstats }, 2931614409b5Sahrens { "zfs_params", "", "print zfs tunable parameters", zfs_params }, 29329966ca11SMatthew Ahrens { "refcount", "", "print refcount_t holders", refcount }, 29333f1f8012SMatthew Ahrens { "zap_leaf", "", "print zap_leaf_phys_t", zap_leaf }, 2934*0a586ceaSMark Shellenbaum { "zfs_aces", ":[-v]", "print all ACEs from a zfs_acl_t", 2935*0a586ceaSMark Shellenbaum zfs_acl_dump }, 2936*0a586ceaSMark Shellenbaum { "zfs_ace", ":[-v]", "print zfs_ace", zfs_ace_print }, 2937*0a586ceaSMark Shellenbaum { "zfs_ace0", ":[-v]", "print zfs_ace0", zfs_ace0_print }, 2938*0a586ceaSMark Shellenbaum { "sa_attr_table", ":", "print SA attribute table from sa_os_t", 2939*0a586ceaSMark Shellenbaum sa_attr_table}, 2940*0a586ceaSMark Shellenbaum { "sa_attr", ": attr_id", 2941*0a586ceaSMark Shellenbaum "print SA attribute address when given sa_handle_t", sa_attr_print}, 2942fa9e4066Sahrens { NULL } 2943fa9e4066Sahrens }; 2944fa9e4066Sahrens 2945fa9e4066Sahrens static const mdb_walker_t walkers[] = { 2946fa9e4066Sahrens /* 2947fa9e4066Sahrens * In userland, there is no generic provider of list_t walkers, so we 2948fa9e4066Sahrens * need to add it. 2949fa9e4066Sahrens */ 2950fa9e4066Sahrens #ifndef _KERNEL 2951fa9e4066Sahrens { LIST_WALK_NAME, LIST_WALK_DESC, 2952fa9e4066Sahrens list_walk_init, list_walk_step, list_walk_fini }, 2953fa9e4066Sahrens #endif 2954fa9e4066Sahrens { "zms_freelist", "walk ZFS metaslab freelist", 29555f5f7a6fSahrens freelist_walk_init, freelist_walk_step, NULL }, 2956fa9e4066Sahrens { "txg_list", "given any txg_list_t *, walk all entries in all txgs", 29575f5f7a6fSahrens txg_list_walk_init, txg_list_walk_step, NULL }, 2958fa9e4066Sahrens { "txg_list0", "given any txg_list_t *, walk all entries in txg 0", 29595f5f7a6fSahrens txg_list0_walk_init, txg_list_walk_step, NULL }, 2960fa9e4066Sahrens { "txg_list1", "given any txg_list_t *, walk all entries in txg 1", 29615f5f7a6fSahrens txg_list1_walk_init, txg_list_walk_step, NULL }, 2962fa9e4066Sahrens { "txg_list2", "given any txg_list_t *, walk all entries in txg 2", 29635f5f7a6fSahrens txg_list2_walk_init, txg_list_walk_step, NULL }, 2964fa9e4066Sahrens { "txg_list3", "given any txg_list_t *, walk all entries in txg 3", 29655f5f7a6fSahrens txg_list3_walk_init, txg_list_walk_step, NULL }, 2966ccae0b50Seschrock { "zio", "walk all zio structures, optionally for a particular spa_t", 2967ccae0b50Seschrock zio_walk_init, zio_walk_step, NULL }, 2968ccae0b50Seschrock { "zio_root", "walk all root zio_t structures, optionally for a " 2969ccae0b50Seschrock "particular spa_t", 2970ccae0b50Seschrock zio_walk_init, zio_walk_root_step, NULL }, 2971fa9e4066Sahrens { "spa", "walk all spa_t entries in the namespace", 2972fa9e4066Sahrens spa_walk_init, spa_walk_step, NULL }, 29735f5f7a6fSahrens { "metaslab", "given a spa_t *, walk all metaslab_t structures", 29745f5f7a6fSahrens metaslab_walk_init, metaslab_walk_step, NULL }, 2975*0a586ceaSMark Shellenbaum { "zfs_acl_node", "given a zfs_acl_t, walk all zfs_acl_nodes", 2976*0a586ceaSMark Shellenbaum zfs_acl_node_walk_init, zfs_acl_node_walk_step, NULL }, 2977*0a586ceaSMark Shellenbaum { "zfs_acl_node_aces", "given a zfs_acl_node_t, walk all ACEs", 2978*0a586ceaSMark Shellenbaum zfs_acl_node_aces_walk_init, zfs_aces_walk_step, NULL }, 2979*0a586ceaSMark Shellenbaum { "zfs_acl_node_aces0", 2980*0a586ceaSMark Shellenbaum "given a zfs_acl_node_t, walk all ACEs as ace_t", 2981*0a586ceaSMark Shellenbaum zfs_acl_node_aces0_walk_init, zfs_aces_walk_step, NULL }, 2982fa9e4066Sahrens { NULL } 2983fa9e4066Sahrens }; 2984fa9e4066Sahrens 2985fa9e4066Sahrens static const mdb_modinfo_t modinfo = { 2986fa9e4066Sahrens MDB_API_VERSION, dcmds, walkers 2987fa9e4066Sahrens }; 2988fa9e4066Sahrens 2989fa9e4066Sahrens const mdb_modinfo_t * 2990fa9e4066Sahrens _mdb_init(void) 2991fa9e4066Sahrens { 2992fa9e4066Sahrens return (&modinfo); 2993fa9e4066Sahrens } 2994