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 /* 2255da60b9SMark J Musante * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. 23beb56283SShampavman * Copyright 2011 Nexenta Systems, Inc. All rights reserved. 2428e4da25SMatthew Ahrens * Copyright (c) 2013 by Delphix. All rights reserved. 25fa9e4066Sahrens */ 26fa9e4066Sahrens 2755da60b9SMark J Musante /* Portions Copyright 2010 Robert Milkowski */ 2855da60b9SMark J Musante 29fa9e4066Sahrens #include <mdb/mdb_ctf.h> 30fa9e4066Sahrens #include <sys/zfs_context.h> 31fa9e4066Sahrens #include <sys/mdb_modapi.h> 32fa9e4066Sahrens #include <sys/dbuf.h> 33fa9e4066Sahrens #include <sys/dmu_objset.h> 34fa9e4066Sahrens #include <sys/dsl_dir.h> 35fa9e4066Sahrens #include <sys/dsl_pool.h> 36fa9e4066Sahrens #include <sys/metaslab_impl.h> 37fa9e4066Sahrens #include <sys/space_map.h> 38fa9e4066Sahrens #include <sys/list.h> 39fa9e4066Sahrens #include <sys/vdev_impl.h> 403f1f8012SMatthew Ahrens #include <sys/zap_leaf.h> 413f1f8012SMatthew Ahrens #include <sys/zap_impl.h> 429966ca11SMatthew Ahrens #include <ctype.h> 430a586ceaSMark Shellenbaum #include <sys/zfs_acl.h> 440a586ceaSMark Shellenbaum #include <sys/sa_impl.h> 45fa9e4066Sahrens 46fa9e4066Sahrens #ifdef _KERNEL 47fa9e4066Sahrens #define ZFS_OBJ_NAME "zfs" 48c55e05cbSMatthew Ahrens extern int64_t mdb_gethrtime(void); 49fa9e4066Sahrens #else 50fa9e4066Sahrens #define ZFS_OBJ_NAME "libzpool.so.1" 51fa9e4066Sahrens #endif 52fa9e4066Sahrens 5328e4da25SMatthew Ahrens #define ZFS_STRUCT "struct " ZFS_OBJ_NAME "`" 5428e4da25SMatthew Ahrens 55feef89cfSVictor Latushkin #ifndef _KERNEL 56feef89cfSVictor Latushkin int aok; 57feef89cfSVictor Latushkin #endif 58feef89cfSVictor Latushkin 59fa9e4066Sahrens static int 60fa9e4066Sahrens getmember(uintptr_t addr, const char *type, mdb_ctf_id_t *idp, 61fa9e4066Sahrens const char *member, int len, void *buf) 62fa9e4066Sahrens { 63fa9e4066Sahrens mdb_ctf_id_t id; 64fa9e4066Sahrens ulong_t off; 65fa9e4066Sahrens char name[64]; 66fa9e4066Sahrens 67fa9e4066Sahrens if (idp == NULL) { 68fa9e4066Sahrens if (mdb_ctf_lookup_by_name(type, &id) == -1) { 69fa9e4066Sahrens mdb_warn("couldn't find type %s", type); 70fa9e4066Sahrens return (DCMD_ERR); 71fa9e4066Sahrens } 72fa9e4066Sahrens idp = &id; 73fa9e4066Sahrens } else { 74fa9e4066Sahrens type = name; 75fa9e4066Sahrens mdb_ctf_type_name(*idp, name, sizeof (name)); 76fa9e4066Sahrens } 77fa9e4066Sahrens 78fa9e4066Sahrens if (mdb_ctf_offsetof(*idp, member, &off) == -1) { 79fa9e4066Sahrens mdb_warn("couldn't find member %s of type %s\n", member, type); 80fa9e4066Sahrens return (DCMD_ERR); 81fa9e4066Sahrens } 82fa9e4066Sahrens if (off % 8 != 0) { 83fa9e4066Sahrens mdb_warn("member %s of type %s is unsupported bitfield", 84fa9e4066Sahrens member, type); 85fa9e4066Sahrens return (DCMD_ERR); 86fa9e4066Sahrens } 87fa9e4066Sahrens off /= 8; 88fa9e4066Sahrens 89fa9e4066Sahrens if (mdb_vread(buf, len, addr + off) == -1) { 90fa9e4066Sahrens mdb_warn("failed to read %s from %s at %p", 91fa9e4066Sahrens member, type, addr + off); 92fa9e4066Sahrens return (DCMD_ERR); 93fa9e4066Sahrens } 94fa9e4066Sahrens /* mdb_warn("read %s from %s at %p+%llx\n", member, type, addr, off); */ 95fa9e4066Sahrens 96fa9e4066Sahrens return (0); 97fa9e4066Sahrens } 98fa9e4066Sahrens 9928e4da25SMatthew Ahrens #define GETMEMB(addr, structname, member, dest) \ 10028e4da25SMatthew Ahrens getmember(addr, ZFS_STRUCT structname, NULL, #member, \ 10128e4da25SMatthew Ahrens sizeof (dest), &(dest)) 102fa9e4066Sahrens 103fa9e4066Sahrens #define GETMEMBID(addr, ctfid, member, dest) \ 104fa9e4066Sahrens getmember(addr, NULL, ctfid, #member, sizeof (dest), &(dest)) 105fa9e4066Sahrens 1063f9d6ad7SLin Ling static boolean_t 1073f9d6ad7SLin Ling strisprint(const char *cp) 1083f9d6ad7SLin Ling { 1093f9d6ad7SLin Ling for (; *cp; cp++) { 1103f9d6ad7SLin Ling if (!isprint(*cp)) 1113f9d6ad7SLin Ling return (B_FALSE); 1123f9d6ad7SLin Ling } 1133f9d6ad7SLin Ling return (B_TRUE); 1143f9d6ad7SLin Ling } 1153f9d6ad7SLin Ling 116fa9e4066Sahrens static int verbose; 117fa9e4066Sahrens 118fa9e4066Sahrens static int 119fa9e4066Sahrens freelist_walk_init(mdb_walk_state_t *wsp) 120fa9e4066Sahrens { 121fa9e4066Sahrens if (wsp->walk_addr == NULL) { 122fa9e4066Sahrens mdb_warn("must supply starting address\n"); 123fa9e4066Sahrens return (WALK_ERR); 124fa9e4066Sahrens } 125fa9e4066Sahrens 126fa9e4066Sahrens wsp->walk_data = 0; /* Index into the freelist */ 127fa9e4066Sahrens return (WALK_NEXT); 128fa9e4066Sahrens } 129fa9e4066Sahrens 130fa9e4066Sahrens static int 131fa9e4066Sahrens freelist_walk_step(mdb_walk_state_t *wsp) 132fa9e4066Sahrens { 133fa9e4066Sahrens uint64_t entry; 134fa9e4066Sahrens uintptr_t number = (uintptr_t)wsp->walk_data; 1358053a263Sck char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID", 1368053a263Sck "INVALID", "INVALID", "INVALID", "INVALID" }; 137fa9e4066Sahrens int mapshift = SPA_MINBLOCKSHIFT; 138fa9e4066Sahrens 139fa9e4066Sahrens if (mdb_vread(&entry, sizeof (entry), wsp->walk_addr) == -1) { 140fa9e4066Sahrens mdb_warn("failed to read freelist entry %p", wsp->walk_addr); 141fa9e4066Sahrens return (WALK_DONE); 142fa9e4066Sahrens } 143fa9e4066Sahrens wsp->walk_addr += sizeof (entry); 144fa9e4066Sahrens wsp->walk_data = (void *)(number + 1); 145fa9e4066Sahrens 146fa9e4066Sahrens if (SM_DEBUG_DECODE(entry)) { 147fa9e4066Sahrens mdb_printf("DEBUG: %3u %10s: txg=%llu pass=%llu\n", 148fa9e4066Sahrens number, 149fa9e4066Sahrens ddata[SM_DEBUG_ACTION_DECODE(entry)], 150fa9e4066Sahrens SM_DEBUG_TXG_DECODE(entry), 151fa9e4066Sahrens SM_DEBUG_SYNCPASS_DECODE(entry)); 152fa9e4066Sahrens } else { 153fa9e4066Sahrens mdb_printf("Entry: %3u offsets=%08llx-%08llx type=%c " 154fa9e4066Sahrens "size=%06llx", number, 155fa9e4066Sahrens SM_OFFSET_DECODE(entry) << mapshift, 156fa9e4066Sahrens (SM_OFFSET_DECODE(entry) + SM_RUN_DECODE(entry)) << 157fa9e4066Sahrens mapshift, 158fa9e4066Sahrens SM_TYPE_DECODE(entry) == SM_ALLOC ? 'A' : 'F', 159fa9e4066Sahrens SM_RUN_DECODE(entry) << mapshift); 160fa9e4066Sahrens if (verbose) 161fa9e4066Sahrens mdb_printf(" (raw=%012llx)\n", entry); 162fa9e4066Sahrens mdb_printf("\n"); 163fa9e4066Sahrens } 164fa9e4066Sahrens return (WALK_NEXT); 165fa9e4066Sahrens } 166fa9e4066Sahrens 167fa9e4066Sahrens static int 16828e4da25SMatthew Ahrens mdb_dsl_dir_name(uintptr_t addr, char *buf) 169fa9e4066Sahrens { 170fa9e4066Sahrens static int gotid; 171fa9e4066Sahrens static mdb_ctf_id_t dd_id; 172fa9e4066Sahrens uintptr_t dd_parent; 173fa9e4066Sahrens char dd_myname[MAXNAMELEN]; 174fa9e4066Sahrens 175fa9e4066Sahrens if (!gotid) { 17628e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "dsl_dir", 177fa9e4066Sahrens &dd_id) == -1) { 178fa9e4066Sahrens mdb_warn("couldn't find struct dsl_dir"); 179fa9e4066Sahrens return (DCMD_ERR); 180fa9e4066Sahrens } 181fa9e4066Sahrens gotid = TRUE; 182fa9e4066Sahrens } 183fa9e4066Sahrens if (GETMEMBID(addr, &dd_id, dd_parent, dd_parent) || 184fa9e4066Sahrens GETMEMBID(addr, &dd_id, dd_myname, dd_myname)) { 185fa9e4066Sahrens return (DCMD_ERR); 186fa9e4066Sahrens } 187fa9e4066Sahrens 188fa9e4066Sahrens if (dd_parent) { 18928e4da25SMatthew Ahrens if (mdb_dsl_dir_name(dd_parent, buf)) 190fa9e4066Sahrens return (DCMD_ERR); 191fa9e4066Sahrens strcat(buf, "/"); 192fa9e4066Sahrens } 193fa9e4066Sahrens 194fa9e4066Sahrens if (dd_myname[0]) 195fa9e4066Sahrens strcat(buf, dd_myname); 196fa9e4066Sahrens else 197fa9e4066Sahrens strcat(buf, "???"); 198fa9e4066Sahrens 199fa9e4066Sahrens return (0); 200fa9e4066Sahrens } 201fa9e4066Sahrens 202fa9e4066Sahrens static int 203fa9e4066Sahrens objset_name(uintptr_t addr, char *buf) 204fa9e4066Sahrens { 205fa9e4066Sahrens static int gotid; 2064223fc7cSMark Shellenbaum static mdb_ctf_id_t os_id, ds_id; 207fa9e4066Sahrens uintptr_t os_dsl_dataset; 208fa9e4066Sahrens char ds_snapname[MAXNAMELEN]; 209fa9e4066Sahrens uintptr_t ds_dir; 210fa9e4066Sahrens 211fa9e4066Sahrens buf[0] = '\0'; 212fa9e4066Sahrens 213fa9e4066Sahrens if (!gotid) { 21428e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "objset", 2154223fc7cSMark Shellenbaum &os_id) == -1) { 2164223fc7cSMark Shellenbaum mdb_warn("couldn't find struct objset"); 217fa9e4066Sahrens return (DCMD_ERR); 218fa9e4066Sahrens } 21928e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "dsl_dataset", 220fa9e4066Sahrens &ds_id) == -1) { 221fa9e4066Sahrens mdb_warn("couldn't find struct dsl_dataset"); 222fa9e4066Sahrens return (DCMD_ERR); 223fa9e4066Sahrens } 224fa9e4066Sahrens 225fa9e4066Sahrens gotid = TRUE; 226fa9e4066Sahrens } 227fa9e4066Sahrens 2284223fc7cSMark Shellenbaum if (GETMEMBID(addr, &os_id, os_dsl_dataset, os_dsl_dataset)) 229fa9e4066Sahrens return (DCMD_ERR); 230fa9e4066Sahrens 231fa9e4066Sahrens if (os_dsl_dataset == 0) { 232fa9e4066Sahrens strcat(buf, "mos"); 233fa9e4066Sahrens return (0); 234fa9e4066Sahrens } 235fa9e4066Sahrens 236fa9e4066Sahrens if (GETMEMBID(os_dsl_dataset, &ds_id, ds_snapname, ds_snapname) || 237fa9e4066Sahrens GETMEMBID(os_dsl_dataset, &ds_id, ds_dir, ds_dir)) { 238fa9e4066Sahrens return (DCMD_ERR); 239fa9e4066Sahrens } 240fa9e4066Sahrens 24128e4da25SMatthew Ahrens if (ds_dir && mdb_dsl_dir_name(ds_dir, buf)) 242fa9e4066Sahrens return (DCMD_ERR); 243fa9e4066Sahrens 244fa9e4066Sahrens if (ds_snapname[0]) { 245fa9e4066Sahrens strcat(buf, "@"); 246fa9e4066Sahrens strcat(buf, ds_snapname); 247fa9e4066Sahrens } 248fa9e4066Sahrens return (0); 249fa9e4066Sahrens } 250fa9e4066Sahrens 251fa9e4066Sahrens static void 252fa9e4066Sahrens enum_lookup(char *out, size_t size, mdb_ctf_id_t id, int val, 253fa9e4066Sahrens const char *prefix) 254fa9e4066Sahrens { 255fa9e4066Sahrens const char *cp; 256fa9e4066Sahrens size_t len = strlen(prefix); 257fa9e4066Sahrens 258fa9e4066Sahrens if ((cp = mdb_ctf_enum_name(id, val)) != NULL) { 259fa9e4066Sahrens if (strncmp(cp, prefix, len) == 0) 260fa9e4066Sahrens cp += len; 261fa9e4066Sahrens (void) strncpy(out, cp, size); 262fa9e4066Sahrens } else { 263fa9e4066Sahrens mdb_snprintf(out, size, "? (%d)", val); 264fa9e4066Sahrens } 265fa9e4066Sahrens } 266fa9e4066Sahrens 267614409b5Sahrens /* ARGSUSED */ 268614409b5Sahrens static int 269614409b5Sahrens zfs_params(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 270614409b5Sahrens { 271614409b5Sahrens /* 272614409b5Sahrens * This table can be approximately generated by running: 273614409b5Sahrens * egrep "^[a-z0-9_]+ [a-z0-9_]+( =.*)?;" *.c | cut -d ' ' -f 2 274614409b5Sahrens */ 275614409b5Sahrens static const char *params[] = { 276614409b5Sahrens "arc_reduce_dnlc_percent", 27769962b56SMatthew Ahrens "arc_lotsfree_percent", 27869962b56SMatthew Ahrens "zfs_dirty_data_max", 27969962b56SMatthew Ahrens "zfs_dirty_data_sync", 28069962b56SMatthew Ahrens "zfs_delay_max_ns", 28169962b56SMatthew Ahrens "zfs_delay_min_dirty_percent", 28269962b56SMatthew Ahrens "zfs_delay_scale", 28369962b56SMatthew Ahrens "zfs_vdev_max_active", 28469962b56SMatthew Ahrens "zfs_vdev_sync_read_min_active", 28569962b56SMatthew Ahrens "zfs_vdev_sync_read_max_active", 28669962b56SMatthew Ahrens "zfs_vdev_sync_write_min_active", 28769962b56SMatthew Ahrens "zfs_vdev_sync_write_max_active", 28869962b56SMatthew Ahrens "zfs_vdev_async_read_min_active", 28969962b56SMatthew Ahrens "zfs_vdev_async_read_max_active", 29069962b56SMatthew Ahrens "zfs_vdev_async_write_min_active", 29169962b56SMatthew Ahrens "zfs_vdev_async_write_max_active", 29269962b56SMatthew Ahrens "zfs_vdev_scrub_min_active", 29369962b56SMatthew Ahrens "zfs_vdev_scrub_max_active", 29469962b56SMatthew Ahrens "zfs_vdev_async_write_active_min_dirty_percent", 29569962b56SMatthew Ahrens "zfs_vdev_async_write_active_max_dirty_percent", 29669962b56SMatthew Ahrens "spa_asize_inflation", 297614409b5Sahrens "zfs_arc_max", 298614409b5Sahrens "zfs_arc_min", 29949e3519aSmaybee "arc_shrink_shift", 300614409b5Sahrens "zfs_mdcomp_disable", 301614409b5Sahrens "zfs_prefetch_disable", 302614409b5Sahrens "zfetch_max_streams", 303614409b5Sahrens "zfetch_min_sec_reap", 304614409b5Sahrens "zfetch_block_cap", 305614409b5Sahrens "zfetch_array_rd_sz", 306614409b5Sahrens "zfs_default_bs", 307614409b5Sahrens "zfs_default_ibs", 308614409b5Sahrens "metaslab_aliquot", 309614409b5Sahrens "reference_tracking_enable", 310614409b5Sahrens "reference_history", 311614409b5Sahrens "spa_max_replication_override", 312b24ab676SJeff Bonwick "spa_mode_global", 313614409b5Sahrens "zfs_flags", 3141ab7f2deSmaybee "zfs_txg_timeout", 315614409b5Sahrens "zfs_vdev_cache_max", 316614409b5Sahrens "zfs_vdev_cache_size", 317614409b5Sahrens "zfs_vdev_cache_bshift", 318614409b5Sahrens "vdev_mirror_shift", 319614409b5Sahrens "zfs_scrub_limit", 320b16da2e2SGeorge Wilson "zfs_no_scrub_io", 321b16da2e2SGeorge Wilson "zfs_no_scrub_prefetch", 322614409b5Sahrens "zfs_vdev_aggregation_limit", 323614409b5Sahrens "fzap_default_block_shift", 324614409b5Sahrens "zfs_immediate_write_sz", 325614409b5Sahrens "zfs_read_chunk_size", 326614409b5Sahrens "zfs_nocacheflush", 32755da60b9SMark J Musante "zil_replay_disable", 3281ab7f2deSmaybee "metaslab_gang_bang", 329d6e555bdSGeorge Wilson "metaslab_df_alloc_threshold", 330d6e555bdSGeorge Wilson "metaslab_df_free_pct", 331614409b5Sahrens "zio_injection_enabled", 332614409b5Sahrens "zvol_immediate_write_sz", 333614409b5Sahrens }; 334614409b5Sahrens 335b24ab676SJeff Bonwick for (int i = 0; i < sizeof (params) / sizeof (params[0]); i++) { 336614409b5Sahrens int sz; 337614409b5Sahrens uint64_t val64; 338614409b5Sahrens uint32_t *val32p = (uint32_t *)&val64; 339614409b5Sahrens 340614409b5Sahrens sz = mdb_readvar(&val64, params[i]); 341614409b5Sahrens if (sz == 4) { 342614409b5Sahrens mdb_printf("%s = 0x%x\n", params[i], *val32p); 343614409b5Sahrens } else if (sz == 8) { 344614409b5Sahrens mdb_printf("%s = 0x%llx\n", params[i], val64); 345614409b5Sahrens } else { 346614409b5Sahrens mdb_warn("variable %s not found", params[i]); 347614409b5Sahrens } 348614409b5Sahrens } 349614409b5Sahrens 350614409b5Sahrens return (DCMD_OK); 351614409b5Sahrens } 352614409b5Sahrens 353fa9e4066Sahrens /* ARGSUSED */ 354fa9e4066Sahrens static int 355fa9e4066Sahrens blkptr(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 356fa9e4066Sahrens { 357b24ab676SJeff Bonwick mdb_ctf_id_t type_enum, checksum_enum, compress_enum; 358b24ab676SJeff Bonwick char type[80], checksum[80], compress[80]; 359b24ab676SJeff Bonwick blkptr_t blk, *bp = &blk; 360b24ab676SJeff Bonwick char buf[BP_SPRINTF_LEN]; 361fa9e4066Sahrens 362b24ab676SJeff Bonwick if (mdb_vread(&blk, sizeof (blkptr_t), addr) == -1) { 363fa9e4066Sahrens mdb_warn("failed to read blkptr_t"); 364fa9e4066Sahrens return (DCMD_ERR); 365fa9e4066Sahrens } 366fa9e4066Sahrens 367b24ab676SJeff Bonwick if (mdb_ctf_lookup_by_name("enum dmu_object_type", &type_enum) == -1 || 368b24ab676SJeff Bonwick mdb_ctf_lookup_by_name("enum zio_checksum", &checksum_enum) == -1 || 369b24ab676SJeff Bonwick mdb_ctf_lookup_by_name("enum zio_compress", &compress_enum) == -1) { 370b24ab676SJeff Bonwick mdb_warn("Could not find blkptr enumerated types"); 371fa9e4066Sahrens return (DCMD_ERR); 372fa9e4066Sahrens } 373fa9e4066Sahrens 374b24ab676SJeff Bonwick enum_lookup(type, sizeof (type), type_enum, 375b24ab676SJeff Bonwick BP_GET_TYPE(bp), "DMU_OT_"); 376b24ab676SJeff Bonwick enum_lookup(checksum, sizeof (checksum), checksum_enum, 377b24ab676SJeff Bonwick BP_GET_CHECKSUM(bp), "ZIO_CHECKSUM_"); 378b24ab676SJeff Bonwick enum_lookup(compress, sizeof (compress), compress_enum, 379b24ab676SJeff Bonwick BP_GET_COMPRESS(bp), "ZIO_COMPRESS_"); 380fa9e4066Sahrens 381*43466aaeSMax Grossman SNPRINTF_BLKPTR(mdb_snprintf, '\n', buf, sizeof (buf), bp, type, 382*43466aaeSMax Grossman checksum, compress); 383fa9e4066Sahrens 384b24ab676SJeff Bonwick mdb_printf("%s\n", buf); 385fa9e4066Sahrens 386fa9e4066Sahrens return (DCMD_OK); 387fa9e4066Sahrens } 388fa9e4066Sahrens 38928e4da25SMatthew Ahrens typedef struct mdb_dmu_buf_impl { 39028e4da25SMatthew Ahrens struct { 39128e4da25SMatthew Ahrens uint64_t db_object; 39228e4da25SMatthew Ahrens } db; 393d5ee8a13SMatthew Ahrens uintptr_t db_objset; 39428e4da25SMatthew Ahrens uint64_t db_level; 39528e4da25SMatthew Ahrens uint64_t db_blkid; 39628e4da25SMatthew Ahrens struct { 39728e4da25SMatthew Ahrens uint64_t rc_count; 39828e4da25SMatthew Ahrens } db_holds; 39928e4da25SMatthew Ahrens } mdb_dmu_buf_impl_t; 40028e4da25SMatthew Ahrens 401fa9e4066Sahrens /* ARGSUSED */ 402fa9e4066Sahrens static int 403fa9e4066Sahrens dbuf(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 404fa9e4066Sahrens { 40528e4da25SMatthew Ahrens mdb_dmu_buf_impl_t db; 406fa9e4066Sahrens char objectname[32]; 407fa9e4066Sahrens char blkidname[32]; 408fa9e4066Sahrens char path[MAXNAMELEN]; 409fa9e4066Sahrens 41028e4da25SMatthew Ahrens if (DCMD_HDRSPEC(flags)) 411fa9e4066Sahrens mdb_printf(" addr object lvl blkid holds os\n"); 412fa9e4066Sahrens 41328e4da25SMatthew Ahrens if (mdb_ctf_vread(&db, ZFS_STRUCT "dmu_buf_impl", "mdb_dmu_buf_impl_t", 41428e4da25SMatthew Ahrens addr, 0) == -1) 415fa9e4066Sahrens return (DCMD_ERR); 416fa9e4066Sahrens 41728e4da25SMatthew Ahrens if (db.db.db_object == DMU_META_DNODE_OBJECT) 418fa9e4066Sahrens (void) strcpy(objectname, "mdn"); 419fa9e4066Sahrens else 420fa9e4066Sahrens (void) mdb_snprintf(objectname, sizeof (objectname), "%llx", 42128e4da25SMatthew Ahrens (u_longlong_t)db.db.db_object); 422fa9e4066Sahrens 42328e4da25SMatthew Ahrens if (db.db_blkid == DMU_BONUS_BLKID) 424fa9e4066Sahrens (void) strcpy(blkidname, "bonus"); 425fa9e4066Sahrens else 426fa9e4066Sahrens (void) mdb_snprintf(blkidname, sizeof (blkidname), "%llx", 42728e4da25SMatthew Ahrens (u_longlong_t)db.db_blkid); 428fa9e4066Sahrens 429d5ee8a13SMatthew Ahrens if (objset_name(db.db_objset, path)) { 43028e4da25SMatthew Ahrens return (DCMD_ERR); 431fa9e4066Sahrens } 432fa9e4066Sahrens 43328e4da25SMatthew Ahrens mdb_printf("%p %8s %1u %9s %2llu %s\n", addr, 43428e4da25SMatthew Ahrens objectname, (int)db.db_level, blkidname, 43528e4da25SMatthew Ahrens db.db_holds.rc_count, path); 436fa9e4066Sahrens 437fa9e4066Sahrens return (DCMD_OK); 438fa9e4066Sahrens } 439fa9e4066Sahrens 440fa9e4066Sahrens /* ARGSUSED */ 441fa9e4066Sahrens static int 442fa9e4066Sahrens dbuf_stats(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 443fa9e4066Sahrens { 444fa9e4066Sahrens #define HISTOSZ 32 445fa9e4066Sahrens uintptr_t dbp; 446fa9e4066Sahrens dmu_buf_impl_t db; 447fa9e4066Sahrens dbuf_hash_table_t ht; 448fa9e4066Sahrens uint64_t bucket, ndbufs; 449fa9e4066Sahrens uint64_t histo[HISTOSZ]; 450fa9e4066Sahrens uint64_t histo2[HISTOSZ]; 451fa9e4066Sahrens int i, maxidx; 452fa9e4066Sahrens 453fa9e4066Sahrens if (mdb_readvar(&ht, "dbuf_hash_table") == -1) { 454fa9e4066Sahrens mdb_warn("failed to read 'dbuf_hash_table'"); 455fa9e4066Sahrens return (DCMD_ERR); 456fa9e4066Sahrens } 457fa9e4066Sahrens 458fa9e4066Sahrens for (i = 0; i < HISTOSZ; i++) { 459fa9e4066Sahrens histo[i] = 0; 460fa9e4066Sahrens histo2[i] = 0; 461fa9e4066Sahrens } 462fa9e4066Sahrens 463fa9e4066Sahrens ndbufs = 0; 464fa9e4066Sahrens for (bucket = 0; bucket < ht.hash_table_mask+1; bucket++) { 465fa9e4066Sahrens int len; 466fa9e4066Sahrens 467fa9e4066Sahrens if (mdb_vread(&dbp, sizeof (void *), 468fa9e4066Sahrens (uintptr_t)(ht.hash_table+bucket)) == -1) { 469fa9e4066Sahrens mdb_warn("failed to read hash bucket %u at %p", 470fa9e4066Sahrens bucket, ht.hash_table+bucket); 471fa9e4066Sahrens return (DCMD_ERR); 472fa9e4066Sahrens } 473fa9e4066Sahrens 474fa9e4066Sahrens len = 0; 475fa9e4066Sahrens while (dbp != 0) { 476fa9e4066Sahrens if (mdb_vread(&db, sizeof (dmu_buf_impl_t), 477fa9e4066Sahrens dbp) == -1) { 478fa9e4066Sahrens mdb_warn("failed to read dbuf at %p", dbp); 479fa9e4066Sahrens return (DCMD_ERR); 480fa9e4066Sahrens } 481fa9e4066Sahrens dbp = (uintptr_t)db.db_hash_next; 482fa9e4066Sahrens for (i = MIN(len, HISTOSZ - 1); i >= 0; i--) 483fa9e4066Sahrens histo2[i]++; 484fa9e4066Sahrens len++; 485fa9e4066Sahrens ndbufs++; 486fa9e4066Sahrens } 487fa9e4066Sahrens 488fa9e4066Sahrens if (len >= HISTOSZ) 489fa9e4066Sahrens len = HISTOSZ-1; 490fa9e4066Sahrens histo[len]++; 491fa9e4066Sahrens } 492fa9e4066Sahrens 493fa9e4066Sahrens mdb_printf("hash table has %llu buckets, %llu dbufs " 494fa9e4066Sahrens "(avg %llu buckets/dbuf)\n", 495fa9e4066Sahrens ht.hash_table_mask+1, ndbufs, 496fa9e4066Sahrens (ht.hash_table_mask+1)/ndbufs); 497fa9e4066Sahrens 498fa9e4066Sahrens mdb_printf("\n"); 499fa9e4066Sahrens maxidx = 0; 500fa9e4066Sahrens for (i = 0; i < HISTOSZ; i++) 501fa9e4066Sahrens if (histo[i] > 0) 502fa9e4066Sahrens maxidx = i; 503fa9e4066Sahrens mdb_printf("hash chain length number of buckets\n"); 504fa9e4066Sahrens for (i = 0; i <= maxidx; i++) 505fa9e4066Sahrens mdb_printf("%u %llu\n", i, histo[i]); 506fa9e4066Sahrens 507fa9e4066Sahrens mdb_printf("\n"); 508fa9e4066Sahrens maxidx = 0; 509fa9e4066Sahrens for (i = 0; i < HISTOSZ; i++) 510fa9e4066Sahrens if (histo2[i] > 0) 511fa9e4066Sahrens maxidx = i; 512fa9e4066Sahrens mdb_printf("hash chain depth number of dbufs\n"); 513fa9e4066Sahrens for (i = 0; i <= maxidx; i++) 514fa9e4066Sahrens mdb_printf("%u or more %llu %llu%%\n", 515fa9e4066Sahrens i, histo2[i], histo2[i]*100/ndbufs); 516fa9e4066Sahrens 517fa9e4066Sahrens 518fa9e4066Sahrens return (DCMD_OK); 519fa9e4066Sahrens } 520fa9e4066Sahrens 5213f1f8012SMatthew Ahrens #define CHAIN_END 0xffff 5223f1f8012SMatthew Ahrens /* 5233f1f8012SMatthew Ahrens * ::zap_leaf [-v] 5243f1f8012SMatthew Ahrens * 5253f1f8012SMatthew Ahrens * Print a zap_leaf_phys_t, assumed to be 16k 5263f1f8012SMatthew Ahrens */ 5273f1f8012SMatthew Ahrens /* ARGSUSED */ 5283f1f8012SMatthew Ahrens static int 5293f1f8012SMatthew Ahrens zap_leaf(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 5303f1f8012SMatthew Ahrens { 5313f1f8012SMatthew Ahrens char buf[16*1024]; 5323f1f8012SMatthew Ahrens int verbose = B_FALSE; 5333f1f8012SMatthew Ahrens int four = B_FALSE; 5343f1f8012SMatthew Ahrens zap_leaf_t l; 5353f1f8012SMatthew Ahrens zap_leaf_phys_t *zlp = (void *)buf; 5363f1f8012SMatthew Ahrens int i; 5373f1f8012SMatthew Ahrens 5383f1f8012SMatthew Ahrens if (mdb_getopts(argc, argv, 5393f1f8012SMatthew Ahrens 'v', MDB_OPT_SETBITS, TRUE, &verbose, 5403f1f8012SMatthew Ahrens '4', MDB_OPT_SETBITS, TRUE, &four, 5413f1f8012SMatthew Ahrens NULL) != argc) 5423f1f8012SMatthew Ahrens return (DCMD_USAGE); 5433f1f8012SMatthew Ahrens 5443f1f8012SMatthew Ahrens l.l_phys = zlp; 5453f1f8012SMatthew Ahrens l.l_bs = 14; /* assume 16k blocks */ 5463f1f8012SMatthew Ahrens if (four) 5473f1f8012SMatthew Ahrens l.l_bs = 12; 5483f1f8012SMatthew Ahrens 5493f1f8012SMatthew Ahrens if (!(flags & DCMD_ADDRSPEC)) { 5503f1f8012SMatthew Ahrens return (DCMD_USAGE); 5513f1f8012SMatthew Ahrens } 5523f1f8012SMatthew Ahrens 5533f1f8012SMatthew Ahrens if (mdb_vread(buf, sizeof (buf), addr) == -1) { 5543f1f8012SMatthew Ahrens mdb_warn("failed to read zap_leaf_phys_t at %p", addr); 5553f1f8012SMatthew Ahrens return (DCMD_ERR); 5563f1f8012SMatthew Ahrens } 5573f1f8012SMatthew Ahrens 5583f1f8012SMatthew Ahrens if (zlp->l_hdr.lh_block_type != ZBT_LEAF || 5593f1f8012SMatthew Ahrens zlp->l_hdr.lh_magic != ZAP_LEAF_MAGIC) { 5603f1f8012SMatthew Ahrens mdb_warn("This does not appear to be a zap_leaf_phys_t"); 5613f1f8012SMatthew Ahrens return (DCMD_ERR); 5623f1f8012SMatthew Ahrens } 5633f1f8012SMatthew Ahrens 5643f1f8012SMatthew Ahrens mdb_printf("zap_leaf_phys_t at %p:\n", addr); 5653f1f8012SMatthew Ahrens mdb_printf(" lh_prefix_len = %u\n", zlp->l_hdr.lh_prefix_len); 5663f1f8012SMatthew Ahrens mdb_printf(" lh_prefix = %llx\n", zlp->l_hdr.lh_prefix); 5673f1f8012SMatthew Ahrens mdb_printf(" lh_nentries = %u\n", zlp->l_hdr.lh_nentries); 5683f1f8012SMatthew Ahrens mdb_printf(" lh_nfree = %u\n", zlp->l_hdr.lh_nfree, 5693f1f8012SMatthew Ahrens zlp->l_hdr.lh_nfree * 100 / (ZAP_LEAF_NUMCHUNKS(&l))); 5703f1f8012SMatthew Ahrens mdb_printf(" lh_freelist = %u\n", zlp->l_hdr.lh_freelist); 5713f1f8012SMatthew Ahrens mdb_printf(" lh_flags = %x (%s)\n", zlp->l_hdr.lh_flags, 5723f1f8012SMatthew Ahrens zlp->l_hdr.lh_flags & ZLF_ENTRIES_CDSORTED ? 5733f1f8012SMatthew Ahrens "ENTRIES_CDSORTED" : ""); 5743f1f8012SMatthew Ahrens 5753f1f8012SMatthew Ahrens if (verbose) { 5763f1f8012SMatthew Ahrens mdb_printf(" hash table:\n"); 5773f1f8012SMatthew Ahrens for (i = 0; i < ZAP_LEAF_HASH_NUMENTRIES(&l); i++) { 5783f1f8012SMatthew Ahrens if (zlp->l_hash[i] != CHAIN_END) 5793f1f8012SMatthew Ahrens mdb_printf(" %u: %u\n", i, zlp->l_hash[i]); 5803f1f8012SMatthew Ahrens } 5813f1f8012SMatthew Ahrens } 5823f1f8012SMatthew Ahrens 5833f1f8012SMatthew Ahrens mdb_printf(" chunks:\n"); 5843f1f8012SMatthew Ahrens for (i = 0; i < ZAP_LEAF_NUMCHUNKS(&l); i++) { 5853f1f8012SMatthew Ahrens /* LINTED: alignment */ 5863f1f8012SMatthew Ahrens zap_leaf_chunk_t *zlc = &ZAP_LEAF_CHUNK(&l, i); 5873f1f8012SMatthew Ahrens switch (zlc->l_entry.le_type) { 5883f1f8012SMatthew Ahrens case ZAP_CHUNK_FREE: 5893f1f8012SMatthew Ahrens if (verbose) { 5903f1f8012SMatthew Ahrens mdb_printf(" %u: free; lf_next = %u\n", 5913f1f8012SMatthew Ahrens i, zlc->l_free.lf_next); 5923f1f8012SMatthew Ahrens } 5933f1f8012SMatthew Ahrens break; 5943f1f8012SMatthew Ahrens case ZAP_CHUNK_ENTRY: 5953f1f8012SMatthew Ahrens mdb_printf(" %u: entry\n", i); 5963f1f8012SMatthew Ahrens if (verbose) { 5973f1f8012SMatthew Ahrens mdb_printf(" le_next = %u\n", 5983f1f8012SMatthew Ahrens zlc->l_entry.le_next); 5993f1f8012SMatthew Ahrens } 6003f1f8012SMatthew Ahrens mdb_printf(" le_name_chunk = %u\n", 6013f1f8012SMatthew Ahrens zlc->l_entry.le_name_chunk); 6023f1f8012SMatthew Ahrens mdb_printf(" le_name_numints = %u\n", 6033f1f8012SMatthew Ahrens zlc->l_entry.le_name_numints); 6043f1f8012SMatthew Ahrens mdb_printf(" le_value_chunk = %u\n", 6053f1f8012SMatthew Ahrens zlc->l_entry.le_value_chunk); 6063f1f8012SMatthew Ahrens mdb_printf(" le_value_intlen = %u\n", 6073f1f8012SMatthew Ahrens zlc->l_entry.le_value_intlen); 6083f1f8012SMatthew Ahrens mdb_printf(" le_value_numints = %u\n", 6093f1f8012SMatthew Ahrens zlc->l_entry.le_value_numints); 6103f1f8012SMatthew Ahrens mdb_printf(" le_cd = %u\n", 6113f1f8012SMatthew Ahrens zlc->l_entry.le_cd); 6123f1f8012SMatthew Ahrens mdb_printf(" le_hash = %llx\n", 6133f1f8012SMatthew Ahrens zlc->l_entry.le_hash); 6143f1f8012SMatthew Ahrens break; 6153f1f8012SMatthew Ahrens case ZAP_CHUNK_ARRAY: 6163f9d6ad7SLin Ling mdb_printf(" %u: array", i); 6173f9d6ad7SLin Ling if (strisprint((char *)zlc->l_array.la_array)) 6183f9d6ad7SLin Ling mdb_printf(" \"%s\"", zlc->l_array.la_array); 6193f9d6ad7SLin Ling mdb_printf("\n"); 6203f1f8012SMatthew Ahrens if (verbose) { 6213f1f8012SMatthew Ahrens int j; 6223f1f8012SMatthew Ahrens mdb_printf(" "); 6233f1f8012SMatthew Ahrens for (j = 0; j < ZAP_LEAF_ARRAY_BYTES; j++) { 6243f1f8012SMatthew Ahrens mdb_printf("%02x ", 6253f1f8012SMatthew Ahrens zlc->l_array.la_array[j]); 6263f1f8012SMatthew Ahrens } 6273f1f8012SMatthew Ahrens mdb_printf("\n"); 6283f1f8012SMatthew Ahrens } 6293f1f8012SMatthew Ahrens if (zlc->l_array.la_next != CHAIN_END) { 6303f1f8012SMatthew Ahrens mdb_printf(" lf_next = %u\n", 6313f1f8012SMatthew Ahrens zlc->l_array.la_next); 6323f1f8012SMatthew Ahrens } 6333f1f8012SMatthew Ahrens break; 6343f1f8012SMatthew Ahrens default: 6353f1f8012SMatthew Ahrens mdb_printf(" %u: undefined type %u\n", 6363f1f8012SMatthew Ahrens zlc->l_entry.le_type); 6373f1f8012SMatthew Ahrens } 6383f1f8012SMatthew Ahrens } 6393f1f8012SMatthew Ahrens 6403f1f8012SMatthew Ahrens return (DCMD_OK); 6413f1f8012SMatthew Ahrens } 6423f1f8012SMatthew Ahrens 643fa9e4066Sahrens typedef struct dbufs_data { 644fa9e4066Sahrens mdb_ctf_id_t id; 645fa9e4066Sahrens uint64_t objset; 646fa9e4066Sahrens uint64_t object; 647fa9e4066Sahrens uint64_t level; 648fa9e4066Sahrens uint64_t blkid; 649fa9e4066Sahrens char *osname; 650fa9e4066Sahrens } dbufs_data_t; 651fa9e4066Sahrens 652fa9e4066Sahrens #define DBUFS_UNSET (0xbaddcafedeadbeefULL) 653fa9e4066Sahrens 654fa9e4066Sahrens /* ARGSUSED */ 655fa9e4066Sahrens static int 656fa9e4066Sahrens dbufs_cb(uintptr_t addr, const void *unknown, void *arg) 657fa9e4066Sahrens { 658fa9e4066Sahrens dbufs_data_t *data = arg; 659fa9e4066Sahrens uintptr_t objset; 660fa9e4066Sahrens dmu_buf_t db; 661fa9e4066Sahrens uint8_t level; 662fa9e4066Sahrens uint64_t blkid; 663fa9e4066Sahrens char osname[MAXNAMELEN]; 664fa9e4066Sahrens 665fa9e4066Sahrens if (GETMEMBID(addr, &data->id, db_objset, objset) || 666fa9e4066Sahrens GETMEMBID(addr, &data->id, db, db) || 667fa9e4066Sahrens GETMEMBID(addr, &data->id, db_level, level) || 668fa9e4066Sahrens GETMEMBID(addr, &data->id, db_blkid, blkid)) { 669fa9e4066Sahrens return (WALK_ERR); 670fa9e4066Sahrens } 671fa9e4066Sahrens 672fa9e4066Sahrens if ((data->objset == DBUFS_UNSET || data->objset == objset) && 673fa9e4066Sahrens (data->osname == NULL || (objset_name(objset, osname) == 0 && 674ccae0b50Seschrock strcmp(data->osname, osname) == 0)) && 675fa9e4066Sahrens (data->object == DBUFS_UNSET || data->object == db.db_object) && 676fa9e4066Sahrens (data->level == DBUFS_UNSET || data->level == level) && 677fa9e4066Sahrens (data->blkid == DBUFS_UNSET || data->blkid == blkid)) { 678fa9e4066Sahrens mdb_printf("%#lr\n", addr); 679fa9e4066Sahrens } 680fa9e4066Sahrens return (WALK_NEXT); 681fa9e4066Sahrens } 682fa9e4066Sahrens 683fa9e4066Sahrens /* ARGSUSED */ 684fa9e4066Sahrens static int 685fa9e4066Sahrens dbufs(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 686fa9e4066Sahrens { 687fa9e4066Sahrens dbufs_data_t data; 688fa9e4066Sahrens char *object = NULL; 689fa9e4066Sahrens char *blkid = NULL; 690fa9e4066Sahrens 691fa9e4066Sahrens data.objset = data.object = data.level = data.blkid = DBUFS_UNSET; 692fa9e4066Sahrens data.osname = NULL; 693fa9e4066Sahrens 694fa9e4066Sahrens if (mdb_getopts(argc, argv, 695fa9e4066Sahrens 'O', MDB_OPT_UINT64, &data.objset, 696fa9e4066Sahrens 'n', MDB_OPT_STR, &data.osname, 697fa9e4066Sahrens 'o', MDB_OPT_STR, &object, 698fa9e4066Sahrens 'l', MDB_OPT_UINT64, &data.level, 699fa9e4066Sahrens 'b', MDB_OPT_STR, &blkid) != argc) { 700fa9e4066Sahrens return (DCMD_USAGE); 701fa9e4066Sahrens } 702fa9e4066Sahrens 703fa9e4066Sahrens if (object) { 704fa9e4066Sahrens if (strcmp(object, "mdn") == 0) { 705fa9e4066Sahrens data.object = DMU_META_DNODE_OBJECT; 706fa9e4066Sahrens } else { 707fa9e4066Sahrens data.object = mdb_strtoull(object); 708fa9e4066Sahrens } 709fa9e4066Sahrens } 710fa9e4066Sahrens 711fa9e4066Sahrens if (blkid) { 712fa9e4066Sahrens if (strcmp(blkid, "bonus") == 0) { 7130a586ceaSMark Shellenbaum data.blkid = DMU_BONUS_BLKID; 714fa9e4066Sahrens } else { 715fa9e4066Sahrens data.blkid = mdb_strtoull(blkid); 716fa9e4066Sahrens } 717fa9e4066Sahrens } 718fa9e4066Sahrens 71928e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "dmu_buf_impl", &data.id) == -1) { 720fa9e4066Sahrens mdb_warn("couldn't find struct dmu_buf_impl_t"); 721fa9e4066Sahrens return (DCMD_ERR); 722fa9e4066Sahrens } 723fa9e4066Sahrens 7245f5f7a6fSahrens if (mdb_walk("dmu_buf_impl_t", dbufs_cb, &data) != 0) { 725fa9e4066Sahrens mdb_warn("can't walk dbufs"); 726fa9e4066Sahrens return (DCMD_ERR); 727fa9e4066Sahrens } 728fa9e4066Sahrens 729fa9e4066Sahrens return (DCMD_OK); 730fa9e4066Sahrens } 731fa9e4066Sahrens 732fa9e4066Sahrens typedef struct abuf_find_data { 733fa9e4066Sahrens dva_t dva; 734fa9e4066Sahrens mdb_ctf_id_t id; 735fa9e4066Sahrens } abuf_find_data_t; 736fa9e4066Sahrens 737fa9e4066Sahrens /* ARGSUSED */ 738fa9e4066Sahrens static int 739fa9e4066Sahrens abuf_find_cb(uintptr_t addr, const void *unknown, void *arg) 740fa9e4066Sahrens { 741fa9e4066Sahrens abuf_find_data_t *data = arg; 742fa9e4066Sahrens dva_t dva; 743fa9e4066Sahrens 744fa9e4066Sahrens if (GETMEMBID(addr, &data->id, b_dva, dva)) { 745fa9e4066Sahrens return (WALK_ERR); 746fa9e4066Sahrens } 747fa9e4066Sahrens 748fa9e4066Sahrens if (dva.dva_word[0] == data->dva.dva_word[0] && 749fa9e4066Sahrens dva.dva_word[1] == data->dva.dva_word[1]) { 750fa9e4066Sahrens mdb_printf("%#lr\n", addr); 751fa9e4066Sahrens } 752fa9e4066Sahrens return (WALK_NEXT); 753fa9e4066Sahrens } 754fa9e4066Sahrens 755fa9e4066Sahrens /* ARGSUSED */ 756fa9e4066Sahrens static int 757fa9e4066Sahrens abuf_find(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 758fa9e4066Sahrens { 759fa9e4066Sahrens abuf_find_data_t data; 760fa9e4066Sahrens GElf_Sym sym; 761fa9e4066Sahrens int i; 762fa9e4066Sahrens const char *syms[] = { 763a2eea2e1Sahrens "ARC_mru", 764a2eea2e1Sahrens "ARC_mru_ghost", 765a2eea2e1Sahrens "ARC_mfu", 766a2eea2e1Sahrens "ARC_mfu_ghost", 767fa9e4066Sahrens }; 768fa9e4066Sahrens 769fa9e4066Sahrens if (argc != 2) 770fa9e4066Sahrens return (DCMD_USAGE); 771fa9e4066Sahrens 772fa9e4066Sahrens for (i = 0; i < 2; i ++) { 773fa9e4066Sahrens switch (argv[i].a_type) { 774fa9e4066Sahrens case MDB_TYPE_STRING: 775fa9e4066Sahrens data.dva.dva_word[i] = mdb_strtoull(argv[i].a_un.a_str); 776fa9e4066Sahrens break; 777fa9e4066Sahrens case MDB_TYPE_IMMEDIATE: 778fa9e4066Sahrens data.dva.dva_word[i] = argv[i].a_un.a_val; 779fa9e4066Sahrens break; 780fa9e4066Sahrens default: 781fa9e4066Sahrens return (DCMD_USAGE); 782fa9e4066Sahrens } 783fa9e4066Sahrens } 784fa9e4066Sahrens 78528e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "arc_buf_hdr", &data.id) == -1) { 786fa9e4066Sahrens mdb_warn("couldn't find struct arc_buf_hdr"); 787fa9e4066Sahrens return (DCMD_ERR); 788fa9e4066Sahrens } 789fa9e4066Sahrens 790fa9e4066Sahrens for (i = 0; i < sizeof (syms) / sizeof (syms[0]); i++) { 79122ce0148SMatthew Ahrens if (mdb_lookup_by_obj(ZFS_OBJ_NAME, syms[i], &sym)) { 792fa9e4066Sahrens mdb_warn("can't find symbol %s", syms[i]); 793fa9e4066Sahrens return (DCMD_ERR); 794fa9e4066Sahrens } 795fa9e4066Sahrens 796fa9e4066Sahrens if (mdb_pwalk("list", abuf_find_cb, &data, sym.st_value) != 0) { 797fa9e4066Sahrens mdb_warn("can't walk %s", syms[i]); 798fa9e4066Sahrens return (DCMD_ERR); 799fa9e4066Sahrens } 800fa9e4066Sahrens } 801fa9e4066Sahrens 802fa9e4066Sahrens return (DCMD_OK); 803fa9e4066Sahrens } 804fa9e4066Sahrens 80528e4da25SMatthew Ahrens 80628e4da25SMatthew Ahrens typedef struct dbgmsg_arg { 80728e4da25SMatthew Ahrens boolean_t da_verbose; 80828e4da25SMatthew Ahrens boolean_t da_address; 80928e4da25SMatthew Ahrens } dbgmsg_arg_t; 81028e4da25SMatthew Ahrens 8113f9d6ad7SLin Ling /* ARGSUSED */ 8123f9d6ad7SLin Ling static int 8133f9d6ad7SLin Ling dbgmsg_cb(uintptr_t addr, const void *unknown, void *arg) 8143f9d6ad7SLin Ling { 8153f9d6ad7SLin Ling static mdb_ctf_id_t id; 8163f9d6ad7SLin Ling static boolean_t gotid; 8173f9d6ad7SLin Ling static ulong_t off; 8183f9d6ad7SLin Ling 81928e4da25SMatthew Ahrens dbgmsg_arg_t *da = arg; 8203f9d6ad7SLin Ling time_t timestamp; 8213f9d6ad7SLin Ling char buf[1024]; 8223f9d6ad7SLin Ling 8233f9d6ad7SLin Ling if (!gotid) { 82428e4da25SMatthew Ahrens if (mdb_ctf_lookup_by_name(ZFS_STRUCT "zfs_dbgmsg", &id) == 82528e4da25SMatthew Ahrens -1) { 8263f9d6ad7SLin Ling mdb_warn("couldn't find struct zfs_dbgmsg"); 8273f9d6ad7SLin Ling return (WALK_ERR); 8283f9d6ad7SLin Ling } 8293f9d6ad7SLin Ling gotid = TRUE; 8303f9d6ad7SLin Ling if (mdb_ctf_offsetof(id, "zdm_msg", &off) == -1) { 8313f9d6ad7SLin Ling mdb_warn("couldn't find zdm_msg"); 8323f9d6ad7SLin Ling return (WALK_ERR); 8333f9d6ad7SLin Ling } 8343f9d6ad7SLin Ling off /= 8; 8353f9d6ad7SLin Ling } 8363f9d6ad7SLin Ling 8373f9d6ad7SLin Ling 8383f9d6ad7SLin Ling if (GETMEMBID(addr, &id, zdm_timestamp, timestamp)) { 8393f9d6ad7SLin Ling return (WALK_ERR); 8403f9d6ad7SLin Ling } 8413f9d6ad7SLin Ling 8423f9d6ad7SLin Ling if (mdb_readstr(buf, sizeof (buf), addr + off) == -1) { 8433f9d6ad7SLin Ling mdb_warn("failed to read zdm_msg at %p\n", addr + off); 8443f9d6ad7SLin Ling return (DCMD_ERR); 8453f9d6ad7SLin Ling } 8463f9d6ad7SLin Ling 84728e4da25SMatthew Ahrens if (da->da_address) 84828e4da25SMatthew Ahrens mdb_printf("%p ", addr); 84928e4da25SMatthew Ahrens if (da->da_verbose) 8503f9d6ad7SLin Ling mdb_printf("%Y ", timestamp); 8513f9d6ad7SLin Ling 8523f9d6ad7SLin Ling mdb_printf("%s\n", buf); 8533f9d6ad7SLin Ling 85428e4da25SMatthew Ahrens if (da->da_verbose) 8553f9d6ad7SLin Ling (void) mdb_call_dcmd("whatis", addr, DCMD_ADDRSPEC, 0, NULL); 8563f9d6ad7SLin Ling 8573f9d6ad7SLin Ling return (WALK_NEXT); 8583f9d6ad7SLin Ling } 8593f9d6ad7SLin Ling 8603f9d6ad7SLin Ling /* ARGSUSED */ 8613f9d6ad7SLin Ling static int 8623f9d6ad7SLin Ling dbgmsg(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 8633f9d6ad7SLin Ling { 8643f9d6ad7SLin Ling GElf_Sym sym; 86528e4da25SMatthew Ahrens dbgmsg_arg_t da = { 0 }; 8663f9d6ad7SLin Ling 8673f9d6ad7SLin Ling if (mdb_getopts(argc, argv, 86828e4da25SMatthew Ahrens 'v', MDB_OPT_SETBITS, B_TRUE, &da.da_verbose, 86928e4da25SMatthew Ahrens 'a', MDB_OPT_SETBITS, B_TRUE, &da.da_address, 8703f9d6ad7SLin Ling NULL) != argc) 8713f9d6ad7SLin Ling return (DCMD_USAGE); 8723f9d6ad7SLin Ling 8733b2aab18SMatthew Ahrens if (mdb_lookup_by_obj(ZFS_OBJ_NAME, "zfs_dbgmsgs", &sym)) { 8743f9d6ad7SLin Ling mdb_warn("can't find zfs_dbgmsgs"); 8753f9d6ad7SLin Ling return (DCMD_ERR); 8763f9d6ad7SLin Ling } 8773f9d6ad7SLin Ling 87828e4da25SMatthew Ahrens if (mdb_pwalk("list", dbgmsg_cb, &da, sym.st_value) != 0) { 8793f9d6ad7SLin Ling mdb_warn("can't walk zfs_dbgmsgs"); 8803f9d6ad7SLin Ling return (DCMD_ERR); 8813f9d6ad7SLin Ling } 8823f9d6ad7SLin Ling 8833f9d6ad7SLin Ling return (DCMD_OK); 8843f9d6ad7SLin Ling } 8853f9d6ad7SLin Ling 88644cb6abcSbmc /*ARGSUSED*/ 88744cb6abcSbmc static int 88844cb6abcSbmc arc_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 88944cb6abcSbmc { 89044cb6abcSbmc kstat_named_t *stats; 89144cb6abcSbmc GElf_Sym sym; 89291ebeef5Sahrens int nstats, i; 89344cb6abcSbmc uint_t opt_a = FALSE; 89491ebeef5Sahrens uint_t opt_b = FALSE; 89591ebeef5Sahrens uint_t shift = 0; 89691ebeef5Sahrens const char *suffix; 89744cb6abcSbmc 89891ebeef5Sahrens static const char *bytestats[] = { 8999253d63dSGeorge Wilson "p", "c", "c_min", "c_max", "size", "duplicate_buffers_size", 90020128a08SGeorge Wilson "arc_meta_used", "arc_meta_limit", "arc_meta_max", 9019253d63dSGeorge Wilson NULL 90291ebeef5Sahrens }; 90391ebeef5Sahrens 90491ebeef5Sahrens static const char *extras[] = { 90591ebeef5Sahrens "arc_no_grow", "arc_tempreserve", 90691ebeef5Sahrens NULL 90744cb6abcSbmc }; 90844cb6abcSbmc 90922ce0148SMatthew Ahrens if (mdb_lookup_by_obj(ZFS_OBJ_NAME, "arc_stats", &sym) == -1) { 91044cb6abcSbmc mdb_warn("failed to find 'arc_stats'"); 91144cb6abcSbmc return (DCMD_ERR); 91244cb6abcSbmc } 91344cb6abcSbmc 91444cb6abcSbmc stats = mdb_zalloc(sym.st_size, UM_SLEEP | UM_GC); 91544cb6abcSbmc 91644cb6abcSbmc if (mdb_vread(stats, sym.st_size, sym.st_value) == -1) { 91744cb6abcSbmc mdb_warn("couldn't read 'arc_stats' at %p", sym.st_value); 91844cb6abcSbmc return (DCMD_ERR); 91944cb6abcSbmc } 92044cb6abcSbmc 92144cb6abcSbmc nstats = sym.st_size / sizeof (kstat_named_t); 92244cb6abcSbmc 92391ebeef5Sahrens /* NB: -a / opt_a are ignored for backwards compatability */ 92491ebeef5Sahrens if (mdb_getopts(argc, argv, 92591ebeef5Sahrens 'a', MDB_OPT_SETBITS, TRUE, &opt_a, 92691ebeef5Sahrens 'b', MDB_OPT_SETBITS, TRUE, &opt_b, 92791ebeef5Sahrens 'k', MDB_OPT_SETBITS, 10, &shift, 92891ebeef5Sahrens 'm', MDB_OPT_SETBITS, 20, &shift, 92991ebeef5Sahrens 'g', MDB_OPT_SETBITS, 30, &shift, 93091ebeef5Sahrens NULL) != argc) 93144cb6abcSbmc return (DCMD_USAGE); 93244cb6abcSbmc 93391ebeef5Sahrens if (!opt_b && !shift) 93491ebeef5Sahrens shift = 20; 93591ebeef5Sahrens 93691ebeef5Sahrens switch (shift) { 93791ebeef5Sahrens case 0: 93891ebeef5Sahrens suffix = "B"; 93991ebeef5Sahrens break; 94091ebeef5Sahrens case 10: 94191ebeef5Sahrens suffix = "KB"; 94291ebeef5Sahrens break; 94391ebeef5Sahrens case 20: 94491ebeef5Sahrens suffix = "MB"; 94591ebeef5Sahrens break; 94691ebeef5Sahrens case 30: 94791ebeef5Sahrens suffix = "GB"; 94891ebeef5Sahrens break; 94991ebeef5Sahrens default: 95091ebeef5Sahrens suffix = "XX"; 95191ebeef5Sahrens } 95291ebeef5Sahrens 95391ebeef5Sahrens for (i = 0; i < nstats; i++) { 95491ebeef5Sahrens int j; 95591ebeef5Sahrens boolean_t bytes = B_FALSE; 95691ebeef5Sahrens 95791ebeef5Sahrens for (j = 0; bytestats[j]; j++) { 95891ebeef5Sahrens if (strcmp(stats[i].name, bytestats[j]) == 0) { 95991ebeef5Sahrens bytes = B_TRUE; 96091ebeef5Sahrens break; 96191ebeef5Sahrens } 96291ebeef5Sahrens } 96344cb6abcSbmc 96491ebeef5Sahrens if (bytes) { 96591ebeef5Sahrens mdb_printf("%-25s = %9llu %s\n", stats[i].name, 96691ebeef5Sahrens stats[i].value.ui64 >> shift, suffix); 96791ebeef5Sahrens } else { 96891ebeef5Sahrens mdb_printf("%-25s = %9llu\n", stats[i].name, 96944cb6abcSbmc stats[i].value.ui64); 97044cb6abcSbmc } 97144cb6abcSbmc } 97244cb6abcSbmc 97391ebeef5Sahrens for (i = 0; extras[i]; i++) { 97491ebeef5Sahrens uint64_t buf; 97544cb6abcSbmc 97622ce0148SMatthew Ahrens if (mdb_lookup_by_obj(ZFS_OBJ_NAME, extras[i], &sym) == -1) { 97791ebeef5Sahrens mdb_warn("failed to find '%s'", extras[i]); 97891ebeef5Sahrens return (DCMD_ERR); 97944cb6abcSbmc } 98044cb6abcSbmc 98191ebeef5Sahrens if (sym.st_size != sizeof (uint64_t) && 98291ebeef5Sahrens sym.st_size != sizeof (uint32_t)) { 98391ebeef5Sahrens mdb_warn("expected scalar for variable '%s'\n", 98491ebeef5Sahrens extras[i]); 98591ebeef5Sahrens return (DCMD_ERR); 98644cb6abcSbmc } 98744cb6abcSbmc 98891ebeef5Sahrens if (mdb_vread(&buf, sym.st_size, sym.st_value) == -1) { 98991ebeef5Sahrens mdb_warn("couldn't read '%s'", extras[i]); 99091ebeef5Sahrens return (DCMD_ERR); 99144cb6abcSbmc } 99244cb6abcSbmc 99391ebeef5Sahrens mdb_printf("%-25s = ", extras[i]); 99491ebeef5Sahrens 99591ebeef5Sahrens /* NB: all the 64-bit extras happen to be byte counts */ 99691ebeef5Sahrens if (sym.st_size == sizeof (uint64_t)) 99791ebeef5Sahrens mdb_printf("%9llu %s\n", buf >> shift, suffix); 99844cb6abcSbmc 99991ebeef5Sahrens if (sym.st_size == sizeof (uint32_t)) 100091ebeef5Sahrens mdb_printf("%9d\n", *((uint32_t *)&buf)); 100191ebeef5Sahrens } 100244cb6abcSbmc return (DCMD_OK); 100344cb6abcSbmc } 100444cb6abcSbmc 100522ce0148SMatthew Ahrens typedef struct mdb_spa_print { 100622ce0148SMatthew Ahrens pool_state_t spa_state; 100722ce0148SMatthew Ahrens char spa_name[MAXNAMELEN]; 100822ce0148SMatthew Ahrens } mdb_spa_print_t; 100922ce0148SMatthew Ahrens 1010fa9e4066Sahrens /* 1011fa9e4066Sahrens * ::spa 1012fa9e4066Sahrens * 101322ce0148SMatthew Ahrens * -c Print configuration information as well 101422ce0148SMatthew Ahrens * -v Print vdev state 101522ce0148SMatthew Ahrens * -e Print vdev error stats 1016fa9e4066Sahrens * 1017fa9e4066Sahrens * Print a summarized spa_t. When given no arguments, prints out a table of all 1018fa9e4066Sahrens * active pools on the system. 1019fa9e4066Sahrens */ 1020fa9e4066Sahrens /* ARGSUSED */ 1021fa9e4066Sahrens static int 1022fa9e4066Sahrens spa_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1023fa9e4066Sahrens { 1024fa9e4066Sahrens const char *statetab[] = { "ACTIVE", "EXPORTED", "DESTROYED", 1025e14bb325SJeff Bonwick "SPARE", "L2CACHE", "UNINIT", "UNAVAIL", "POTENTIAL" }; 1026fa9e4066Sahrens const char *state; 1027fa9e4066Sahrens int config = FALSE; 1028fa9e4066Sahrens int vdevs = FALSE; 1029fa9e4066Sahrens int errors = FALSE; 1030fa9e4066Sahrens 1031fa9e4066Sahrens if (mdb_getopts(argc, argv, 1032fa9e4066Sahrens 'c', MDB_OPT_SETBITS, TRUE, &config, 1033fa9e4066Sahrens 'v', MDB_OPT_SETBITS, TRUE, &vdevs, 1034fa9e4066Sahrens 'e', MDB_OPT_SETBITS, TRUE, &errors, 1035fa9e4066Sahrens NULL) != argc) 1036fa9e4066Sahrens return (DCMD_USAGE); 1037fa9e4066Sahrens 1038fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) { 1039fa9e4066Sahrens if (mdb_walk_dcmd("spa", "spa", argc, argv) == -1) { 1040fa9e4066Sahrens mdb_warn("can't walk spa"); 1041fa9e4066Sahrens return (DCMD_ERR); 1042fa9e4066Sahrens } 1043fa9e4066Sahrens 1044fa9e4066Sahrens return (DCMD_OK); 1045fa9e4066Sahrens } 1046fa9e4066Sahrens 1047fa9e4066Sahrens if (flags & DCMD_PIPE_OUT) { 1048fa9e4066Sahrens mdb_printf("%#lr\n", addr); 1049fa9e4066Sahrens return (DCMD_OK); 1050fa9e4066Sahrens } 1051fa9e4066Sahrens 1052fa9e4066Sahrens if (DCMD_HDRSPEC(flags)) 1053fa9e4066Sahrens mdb_printf("%<u>%-?s %9s %-*s%</u>\n", "ADDR", "STATE", 1054fa9e4066Sahrens sizeof (uintptr_t) == 4 ? 60 : 52, "NAME"); 1055fa9e4066Sahrens 105622ce0148SMatthew Ahrens mdb_spa_print_t spa; 105722ce0148SMatthew Ahrens if (mdb_ctf_vread(&spa, "spa_t", "mdb_spa_print_t", addr, 0) == -1) 1058fa9e4066Sahrens return (DCMD_ERR); 1059fa9e4066Sahrens 1060fa9e4066Sahrens if (spa.spa_state < 0 || spa.spa_state > POOL_STATE_UNAVAIL) 1061ea8dc4b6Seschrock state = "UNKNOWN"; 1062fa9e4066Sahrens else 1063fa9e4066Sahrens state = statetab[spa.spa_state]; 1064fa9e4066Sahrens 1065e14bb325SJeff Bonwick mdb_printf("%0?p %9s %s\n", addr, state, spa.spa_name); 1066fa9e4066Sahrens 1067fa9e4066Sahrens if (config) { 1068fa9e4066Sahrens mdb_printf("\n"); 1069fa9e4066Sahrens mdb_inc_indent(4); 1070fa9e4066Sahrens if (mdb_call_dcmd("spa_config", addr, flags, 0, 1071fa9e4066Sahrens NULL) != DCMD_OK) 1072fa9e4066Sahrens return (DCMD_ERR); 1073fa9e4066Sahrens mdb_dec_indent(4); 1074fa9e4066Sahrens } 1075fa9e4066Sahrens 1076fa9e4066Sahrens if (vdevs || errors) { 1077fa9e4066Sahrens mdb_arg_t v; 1078fa9e4066Sahrens 1079fa9e4066Sahrens v.a_type = MDB_TYPE_STRING; 1080fa9e4066Sahrens v.a_un.a_str = "-e"; 1081fa9e4066Sahrens 1082fa9e4066Sahrens mdb_printf("\n"); 1083fa9e4066Sahrens mdb_inc_indent(4); 1084fa9e4066Sahrens if (mdb_call_dcmd("spa_vdevs", addr, flags, errors ? 1 : 0, 1085fa9e4066Sahrens &v) != DCMD_OK) 1086fa9e4066Sahrens return (DCMD_ERR); 1087fa9e4066Sahrens mdb_dec_indent(4); 1088fa9e4066Sahrens } 1089fa9e4066Sahrens 1090fa9e4066Sahrens return (DCMD_OK); 1091fa9e4066Sahrens } 1092fa9e4066Sahrens 109328e4da25SMatthew Ahrens typedef struct mdb_spa_config_spa { 1094d5ee8a13SMatthew Ahrens uintptr_t spa_config; 109528e4da25SMatthew Ahrens } mdb_spa_config_spa_t; 109628e4da25SMatthew Ahrens 1097fa9e4066Sahrens /* 1098fa9e4066Sahrens * ::spa_config 1099fa9e4066Sahrens * 1100fa9e4066Sahrens * Given a spa_t, print the configuration information stored in spa_config. 1101fa9e4066Sahrens * Since it's just an nvlist, format it as an indented list of name=value pairs. 1102fa9e4066Sahrens * We simply read the value of spa_config and pass off to ::nvlist. 1103fa9e4066Sahrens */ 1104fa9e4066Sahrens /* ARGSUSED */ 1105fa9e4066Sahrens static int 1106fa9e4066Sahrens spa_print_config(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1107fa9e4066Sahrens { 110828e4da25SMatthew Ahrens mdb_spa_config_spa_t spa; 1109fa9e4066Sahrens 1110fa9e4066Sahrens if (argc != 0 || !(flags & DCMD_ADDRSPEC)) 1111fa9e4066Sahrens return (DCMD_USAGE); 1112fa9e4066Sahrens 111328e4da25SMatthew Ahrens if (mdb_ctf_vread(&spa, ZFS_STRUCT "spa", "mdb_spa_config_spa_t", 111428e4da25SMatthew Ahrens addr, 0) == -1) 1115fa9e4066Sahrens return (DCMD_ERR); 1116fa9e4066Sahrens 1117d5ee8a13SMatthew Ahrens if (spa.spa_config == 0) { 1118fa9e4066Sahrens mdb_printf("(none)\n"); 1119fa9e4066Sahrens return (DCMD_OK); 1120fa9e4066Sahrens } 1121fa9e4066Sahrens 1122d5ee8a13SMatthew Ahrens return (mdb_call_dcmd("nvlist", spa.spa_config, flags, 1123fa9e4066Sahrens 0, NULL)); 1124fa9e4066Sahrens } 1125fa9e4066Sahrens 1126fa9e4066Sahrens /* 1127fa9e4066Sahrens * ::vdev 1128fa9e4066Sahrens * 1129fa9e4066Sahrens * Print out a summarized vdev_t, in the following form: 1130fa9e4066Sahrens * 1131fa9e4066Sahrens * ADDR STATE AUX DESC 1132fa9e4066Sahrens * fffffffbcde23df0 HEALTHY - /dev/dsk/c0t0d0 1133fa9e4066Sahrens * 1134fa9e4066Sahrens * If '-r' is specified, recursively visit all children. 1135fa9e4066Sahrens * 1136fa9e4066Sahrens * With '-e', the statistics associated with the vdev are printed as well. 1137fa9e4066Sahrens */ 1138fa9e4066Sahrens static int 1139614409b5Sahrens do_print_vdev(uintptr_t addr, int flags, int depth, int stats, 1140fa9e4066Sahrens int recursive) 1141fa9e4066Sahrens { 1142fa9e4066Sahrens vdev_t vdev; 1143fa9e4066Sahrens char desc[MAXNAMELEN]; 1144fa9e4066Sahrens int c, children; 1145fa9e4066Sahrens uintptr_t *child; 1146fa9e4066Sahrens const char *state, *aux; 1147fa9e4066Sahrens 1148fa9e4066Sahrens if (mdb_vread(&vdev, sizeof (vdev), (uintptr_t)addr) == -1) { 1149fa9e4066Sahrens mdb_warn("failed to read vdev_t at %p\n", (uintptr_t)addr); 1150fa9e4066Sahrens return (DCMD_ERR); 1151fa9e4066Sahrens } 1152fa9e4066Sahrens 1153fa9e4066Sahrens if (flags & DCMD_PIPE_OUT) { 1154b4952e17SGeorge Wilson mdb_printf("%#lr\n", addr); 1155fa9e4066Sahrens } else { 1156fa9e4066Sahrens if (vdev.vdev_path != NULL) { 1157fa9e4066Sahrens if (mdb_readstr(desc, sizeof (desc), 1158fa9e4066Sahrens (uintptr_t)vdev.vdev_path) == -1) { 1159fa9e4066Sahrens mdb_warn("failed to read vdev_path at %p\n", 1160fa9e4066Sahrens vdev.vdev_path); 1161fa9e4066Sahrens return (DCMD_ERR); 1162fa9e4066Sahrens } 1163fa9e4066Sahrens } else if (vdev.vdev_ops != NULL) { 1164fa9e4066Sahrens vdev_ops_t ops; 1165fa9e4066Sahrens if (mdb_vread(&ops, sizeof (ops), 1166fa9e4066Sahrens (uintptr_t)vdev.vdev_ops) == -1) { 1167fa9e4066Sahrens mdb_warn("failed to read vdev_ops at %p\n", 1168fa9e4066Sahrens vdev.vdev_ops); 1169fa9e4066Sahrens return (DCMD_ERR); 1170fa9e4066Sahrens } 1171fa9e4066Sahrens (void) strcpy(desc, ops.vdev_op_type); 1172fa9e4066Sahrens } else { 1173fa9e4066Sahrens (void) strcpy(desc, "<unknown>"); 1174fa9e4066Sahrens } 1175fa9e4066Sahrens 1176fa9e4066Sahrens if (depth == 0 && DCMD_HDRSPEC(flags)) 1177fa9e4066Sahrens mdb_printf("%<u>%-?s %-9s %-12s %-*s%</u>\n", 1178fa9e4066Sahrens "ADDR", "STATE", "AUX", 1179fa9e4066Sahrens sizeof (uintptr_t) == 4 ? 43 : 35, 1180fa9e4066Sahrens "DESCRIPTION"); 1181fa9e4066Sahrens 1182fa9e4066Sahrens mdb_printf("%0?p ", addr); 1183fa9e4066Sahrens 1184fa9e4066Sahrens switch (vdev.vdev_state) { 1185fa9e4066Sahrens case VDEV_STATE_CLOSED: 1186ccae0b50Seschrock state = "CLOSED"; 1187ccae0b50Seschrock break; 1188fa9e4066Sahrens case VDEV_STATE_OFFLINE: 1189ccae0b50Seschrock state = "OFFLINE"; 1190ccae0b50Seschrock break; 1191fa9e4066Sahrens case VDEV_STATE_CANT_OPEN: 1192ccae0b50Seschrock state = "CANT_OPEN"; 1193ccae0b50Seschrock break; 1194fa9e4066Sahrens case VDEV_STATE_DEGRADED: 1195ccae0b50Seschrock state = "DEGRADED"; 1196ccae0b50Seschrock break; 1197fa9e4066Sahrens case VDEV_STATE_HEALTHY: 1198ccae0b50Seschrock state = "HEALTHY"; 1199ccae0b50Seschrock break; 12003d7072f8Seschrock case VDEV_STATE_REMOVED: 12013d7072f8Seschrock state = "REMOVED"; 12023d7072f8Seschrock break; 12033d7072f8Seschrock case VDEV_STATE_FAULTED: 12043d7072f8Seschrock state = "FAULTED"; 12053d7072f8Seschrock break; 1206fa9e4066Sahrens default: 1207ccae0b50Seschrock state = "UNKNOWN"; 1208ccae0b50Seschrock break; 1209fa9e4066Sahrens } 1210fa9e4066Sahrens 1211fa9e4066Sahrens switch (vdev.vdev_stat.vs_aux) { 1212fa9e4066Sahrens case VDEV_AUX_NONE: 1213fa9e4066Sahrens aux = "-"; 1214fa9e4066Sahrens break; 1215fa9e4066Sahrens case VDEV_AUX_OPEN_FAILED: 1216fa9e4066Sahrens aux = "OPEN_FAILED"; 1217fa9e4066Sahrens break; 1218fa9e4066Sahrens case VDEV_AUX_CORRUPT_DATA: 1219fa9e4066Sahrens aux = "CORRUPT_DATA"; 1220fa9e4066Sahrens break; 1221fa9e4066Sahrens case VDEV_AUX_NO_REPLICAS: 1222fa9e4066Sahrens aux = "NO_REPLICAS"; 1223fa9e4066Sahrens break; 1224fa9e4066Sahrens case VDEV_AUX_BAD_GUID_SUM: 1225fa9e4066Sahrens aux = "BAD_GUID_SUM"; 1226fa9e4066Sahrens break; 1227fa9e4066Sahrens case VDEV_AUX_TOO_SMALL: 1228fa9e4066Sahrens aux = "TOO_SMALL"; 1229fa9e4066Sahrens break; 1230fa9e4066Sahrens case VDEV_AUX_BAD_LABEL: 1231fa9e4066Sahrens aux = "BAD_LABEL"; 1232fa9e4066Sahrens break; 1233b87f3af3Sperrin case VDEV_AUX_VERSION_NEWER: 1234b87f3af3Sperrin aux = "VERS_NEWER"; 1235b87f3af3Sperrin break; 1236b87f3af3Sperrin case VDEV_AUX_VERSION_OLDER: 1237b87f3af3Sperrin aux = "VERS_OLDER"; 1238b87f3af3Sperrin break; 1239ad135b5dSChristopher Siden case VDEV_AUX_UNSUP_FEAT: 1240ad135b5dSChristopher Siden aux = "UNSUP_FEAT"; 1241ad135b5dSChristopher Siden break; 1242b87f3af3Sperrin case VDEV_AUX_SPARED: 1243b87f3af3Sperrin aux = "SPARED"; 1244b87f3af3Sperrin break; 1245b87f3af3Sperrin case VDEV_AUX_ERR_EXCEEDED: 1246b87f3af3Sperrin aux = "ERR_EXCEEDED"; 1247b87f3af3Sperrin break; 1248b87f3af3Sperrin case VDEV_AUX_IO_FAILURE: 1249b87f3af3Sperrin aux = "IO_FAILURE"; 1250b87f3af3Sperrin break; 1251b87f3af3Sperrin case VDEV_AUX_BAD_LOG: 1252b87f3af3Sperrin aux = "BAD_LOG"; 1253b87f3af3Sperrin break; 12541195e687SMark J Musante case VDEV_AUX_EXTERNAL: 12551195e687SMark J Musante aux = "EXTERNAL"; 12561195e687SMark J Musante break; 12571195e687SMark J Musante case VDEV_AUX_SPLIT_POOL: 12581195e687SMark J Musante aux = "SPLIT_POOL"; 12591195e687SMark J Musante break; 1260fa9e4066Sahrens default: 1261fa9e4066Sahrens aux = "UNKNOWN"; 1262fa9e4066Sahrens break; 1263fa9e4066Sahrens } 1264fa9e4066Sahrens 1265fa9e4066Sahrens mdb_printf("%-9s %-12s %*s%s\n", state, aux, depth, "", desc); 1266fa9e4066Sahrens 1267fa9e4066Sahrens if (stats) { 1268fa9e4066Sahrens vdev_stat_t *vs = &vdev.vdev_stat; 1269fa9e4066Sahrens int i; 1270fa9e4066Sahrens 1271fa9e4066Sahrens mdb_inc_indent(4); 1272fa9e4066Sahrens mdb_printf("\n"); 1273fa9e4066Sahrens mdb_printf("%<u> %12s %12s %12s %12s " 1274fa9e4066Sahrens "%12s%</u>\n", "READ", "WRITE", "FREE", "CLAIM", 1275fa9e4066Sahrens "IOCTL"); 1276fa9e4066Sahrens mdb_printf("OPS "); 1277fa9e4066Sahrens for (i = 1; i < ZIO_TYPES; i++) 1278fa9e4066Sahrens mdb_printf("%11#llx%s", vs->vs_ops[i], 1279fa9e4066Sahrens i == ZIO_TYPES - 1 ? "" : " "); 1280fa9e4066Sahrens mdb_printf("\n"); 1281fa9e4066Sahrens mdb_printf("BYTES "); 1282fa9e4066Sahrens for (i = 1; i < ZIO_TYPES; i++) 1283fa9e4066Sahrens mdb_printf("%11#llx%s", vs->vs_bytes[i], 1284fa9e4066Sahrens i == ZIO_TYPES - 1 ? "" : " "); 1285fa9e4066Sahrens 1286fa9e4066Sahrens 1287fa9e4066Sahrens mdb_printf("\n"); 1288fa9e4066Sahrens mdb_printf("EREAD %10#llx\n", vs->vs_read_errors); 1289fa9e4066Sahrens mdb_printf("EWRITE %10#llx\n", vs->vs_write_errors); 1290fa9e4066Sahrens mdb_printf("ECKSUM %10#llx\n", 1291fa9e4066Sahrens vs->vs_checksum_errors); 1292fa9e4066Sahrens mdb_dec_indent(4); 1293fa9e4066Sahrens } 1294fa9e4066Sahrens 1295614409b5Sahrens if (stats) 1296fa9e4066Sahrens mdb_printf("\n"); 1297fa9e4066Sahrens } 1298fa9e4066Sahrens 1299fa9e4066Sahrens children = vdev.vdev_children; 1300fa9e4066Sahrens 1301fa9e4066Sahrens if (children == 0 || !recursive) 1302fa9e4066Sahrens return (DCMD_OK); 1303fa9e4066Sahrens 1304fa9e4066Sahrens child = mdb_alloc(children * sizeof (void *), UM_SLEEP | UM_GC); 1305fa9e4066Sahrens if (mdb_vread(child, children * sizeof (void *), 1306fa9e4066Sahrens (uintptr_t)vdev.vdev_child) == -1) { 1307fa9e4066Sahrens mdb_warn("failed to read vdev children at %p", vdev.vdev_child); 1308fa9e4066Sahrens return (DCMD_ERR); 1309fa9e4066Sahrens } 1310fa9e4066Sahrens 1311fa9e4066Sahrens for (c = 0; c < children; c++) { 1312614409b5Sahrens if (do_print_vdev(child[c], flags, depth + 2, stats, 1313fa9e4066Sahrens recursive)) 1314fa9e4066Sahrens return (DCMD_ERR); 1315fa9e4066Sahrens } 1316fa9e4066Sahrens 1317fa9e4066Sahrens return (DCMD_OK); 1318fa9e4066Sahrens } 1319fa9e4066Sahrens 1320fa9e4066Sahrens static int 1321fa9e4066Sahrens vdev_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1322fa9e4066Sahrens { 1323fa9e4066Sahrens int recursive = FALSE; 1324fa9e4066Sahrens int stats = FALSE; 1325c5904d13Seschrock uint64_t depth = 0; 1326fa9e4066Sahrens 1327fa9e4066Sahrens if (mdb_getopts(argc, argv, 1328fa9e4066Sahrens 'r', MDB_OPT_SETBITS, TRUE, &recursive, 1329fa9e4066Sahrens 'e', MDB_OPT_SETBITS, TRUE, &stats, 1330c5904d13Seschrock 'd', MDB_OPT_UINT64, &depth, 1331fa9e4066Sahrens NULL) != argc) 1332fa9e4066Sahrens return (DCMD_USAGE); 1333fa9e4066Sahrens 1334fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) { 1335fa9e4066Sahrens mdb_warn("no vdev_t address given\n"); 1336fa9e4066Sahrens return (DCMD_ERR); 1337fa9e4066Sahrens } 1338fa9e4066Sahrens 1339c5904d13Seschrock return (do_print_vdev(addr, flags, (int)depth, stats, recursive)); 1340fa9e4066Sahrens } 1341fa9e4066Sahrens 13425f5f7a6fSahrens typedef struct metaslab_walk_data { 13435f5f7a6fSahrens uint64_t mw_numvdevs; 13445f5f7a6fSahrens uintptr_t *mw_vdevs; 13455f5f7a6fSahrens int mw_curvdev; 13465f5f7a6fSahrens uint64_t mw_nummss; 13475f5f7a6fSahrens uintptr_t *mw_mss; 13485f5f7a6fSahrens int mw_curms; 13495f5f7a6fSahrens } metaslab_walk_data_t; 13505f5f7a6fSahrens 13515f5f7a6fSahrens static int 13525f5f7a6fSahrens metaslab_walk_step(mdb_walk_state_t *wsp) 13535f5f7a6fSahrens { 13545f5f7a6fSahrens metaslab_walk_data_t *mw = wsp->walk_data; 13555f5f7a6fSahrens metaslab_t ms; 13565f5f7a6fSahrens uintptr_t msp; 13575f5f7a6fSahrens 13585f5f7a6fSahrens if (mw->mw_curvdev >= mw->mw_numvdevs) 13595f5f7a6fSahrens return (WALK_DONE); 13605f5f7a6fSahrens 13615f5f7a6fSahrens if (mw->mw_mss == NULL) { 13625f5f7a6fSahrens uintptr_t mssp; 13635f5f7a6fSahrens uintptr_t vdevp; 13645f5f7a6fSahrens 13655f5f7a6fSahrens ASSERT(mw->mw_curms == 0); 13665f5f7a6fSahrens ASSERT(mw->mw_nummss == 0); 13675f5f7a6fSahrens 13685f5f7a6fSahrens vdevp = mw->mw_vdevs[mw->mw_curvdev]; 136928e4da25SMatthew Ahrens if (GETMEMB(vdevp, "vdev", vdev_ms, mssp) || 137028e4da25SMatthew Ahrens GETMEMB(vdevp, "vdev", vdev_ms_count, mw->mw_nummss)) { 13715f5f7a6fSahrens return (WALK_ERR); 13725f5f7a6fSahrens } 13735f5f7a6fSahrens 13745f5f7a6fSahrens mw->mw_mss = mdb_alloc(mw->mw_nummss * sizeof (void*), 13755f5f7a6fSahrens UM_SLEEP | UM_GC); 13765f5f7a6fSahrens if (mdb_vread(mw->mw_mss, mw->mw_nummss * sizeof (void*), 13775f5f7a6fSahrens mssp) == -1) { 13785f5f7a6fSahrens mdb_warn("failed to read vdev_ms at %p", mssp); 13795f5f7a6fSahrens return (WALK_ERR); 13805f5f7a6fSahrens } 13815f5f7a6fSahrens } 13825f5f7a6fSahrens 13835f5f7a6fSahrens if (mw->mw_curms >= mw->mw_nummss) { 13845f5f7a6fSahrens mw->mw_mss = NULL; 13855f5f7a6fSahrens mw->mw_curms = 0; 13865f5f7a6fSahrens mw->mw_nummss = 0; 13875f5f7a6fSahrens mw->mw_curvdev++; 13885f5f7a6fSahrens return (WALK_NEXT); 13895f5f7a6fSahrens } 13905f5f7a6fSahrens 13915f5f7a6fSahrens msp = mw->mw_mss[mw->mw_curms]; 13925f5f7a6fSahrens if (mdb_vread(&ms, sizeof (metaslab_t), msp) == -1) { 13935f5f7a6fSahrens mdb_warn("failed to read metaslab_t at %p", msp); 13945f5f7a6fSahrens return (WALK_ERR); 13955f5f7a6fSahrens } 13965f5f7a6fSahrens 13975f5f7a6fSahrens mw->mw_curms++; 13985f5f7a6fSahrens 13995f5f7a6fSahrens return (wsp->walk_callback(msp, &ms, wsp->walk_cbdata)); 14005f5f7a6fSahrens } 14015f5f7a6fSahrens 14025f5f7a6fSahrens /* ARGSUSED */ 14035f5f7a6fSahrens static int 14045f5f7a6fSahrens metaslab_walk_init(mdb_walk_state_t *wsp) 14055f5f7a6fSahrens { 14065f5f7a6fSahrens metaslab_walk_data_t *mw; 14075f5f7a6fSahrens uintptr_t root_vdevp; 14085f5f7a6fSahrens uintptr_t childp; 14095f5f7a6fSahrens 14105f5f7a6fSahrens if (wsp->walk_addr == NULL) { 14115f5f7a6fSahrens mdb_warn("must supply address of spa_t\n"); 14125f5f7a6fSahrens return (WALK_ERR); 14135f5f7a6fSahrens } 14145f5f7a6fSahrens 14155f5f7a6fSahrens mw = mdb_zalloc(sizeof (metaslab_walk_data_t), UM_SLEEP | UM_GC); 14165f5f7a6fSahrens 141728e4da25SMatthew Ahrens if (GETMEMB(wsp->walk_addr, "spa", spa_root_vdev, root_vdevp) || 141828e4da25SMatthew Ahrens GETMEMB(root_vdevp, "vdev", vdev_children, mw->mw_numvdevs) || 141928e4da25SMatthew Ahrens GETMEMB(root_vdevp, "vdev", vdev_child, childp)) { 14205f5f7a6fSahrens return (DCMD_ERR); 14215f5f7a6fSahrens } 14225f5f7a6fSahrens 14235f5f7a6fSahrens mw->mw_vdevs = mdb_alloc(mw->mw_numvdevs * sizeof (void *), 14245f5f7a6fSahrens UM_SLEEP | UM_GC); 14255f5f7a6fSahrens if (mdb_vread(mw->mw_vdevs, mw->mw_numvdevs * sizeof (void *), 14265f5f7a6fSahrens childp) == -1) { 14275f5f7a6fSahrens mdb_warn("failed to read root vdev children at %p", childp); 14285f5f7a6fSahrens return (DCMD_ERR); 14295f5f7a6fSahrens } 14305f5f7a6fSahrens 14315f5f7a6fSahrens wsp->walk_data = mw; 14325f5f7a6fSahrens 14335f5f7a6fSahrens return (WALK_NEXT); 14345f5f7a6fSahrens } 14355f5f7a6fSahrens 1436fa9e4066Sahrens typedef struct mdb_spa { 1437fa9e4066Sahrens uintptr_t spa_dsl_pool; 1438fa9e4066Sahrens uintptr_t spa_root_vdev; 1439fa9e4066Sahrens } mdb_spa_t; 1440fa9e4066Sahrens 1441fa9e4066Sahrens typedef struct mdb_dsl_dir { 1442fa9e4066Sahrens uintptr_t dd_phys; 1443fa9e4066Sahrens int64_t dd_space_towrite[TXG_SIZE]; 1444fa9e4066Sahrens } mdb_dsl_dir_t; 1445fa9e4066Sahrens 1446fa9e4066Sahrens typedef struct mdb_dsl_dir_phys { 1447fa9e4066Sahrens uint64_t dd_used_bytes; 1448fa9e4066Sahrens uint64_t dd_compressed_bytes; 1449fa9e4066Sahrens uint64_t dd_uncompressed_bytes; 1450fa9e4066Sahrens } mdb_dsl_dir_phys_t; 1451fa9e4066Sahrens 1452fa9e4066Sahrens typedef struct mdb_vdev { 1453fa9e4066Sahrens uintptr_t vdev_parent; 1454fa9e4066Sahrens uintptr_t vdev_ms; 1455fa9e4066Sahrens uint64_t vdev_ms_count; 1456fa9e4066Sahrens vdev_stat_t vdev_stat; 1457fa9e4066Sahrens } mdb_vdev_t; 1458fa9e4066Sahrens 14590713e232SGeorge Wilson typedef struct mdb_space_map_phys_t { 14600713e232SGeorge Wilson uint64_t smp_alloc; 14610713e232SGeorge Wilson } mdb_space_map_phys_t; 14620713e232SGeorge Wilson 14630713e232SGeorge Wilson typedef struct mdb_space_map { 14640713e232SGeorge Wilson uint64_t sm_size; 14650713e232SGeorge Wilson uint64_t sm_alloc; 14660713e232SGeorge Wilson uintptr_t sm_phys; 14670713e232SGeorge Wilson } mdb_space_map_t; 14680713e232SGeorge Wilson 14690713e232SGeorge Wilson typedef struct mdb_range_tree { 14700713e232SGeorge Wilson uint64_t rt_space; 14710713e232SGeorge Wilson } mdb_range_tree_t; 14720713e232SGeorge Wilson 1473fa9e4066Sahrens typedef struct mdb_metaslab { 14740713e232SGeorge Wilson uintptr_t ms_alloctree[TXG_SIZE]; 14750713e232SGeorge Wilson uintptr_t ms_freetree[TXG_SIZE]; 14760713e232SGeorge Wilson uintptr_t ms_tree; 14770713e232SGeorge Wilson uintptr_t ms_sm; 1478fa9e4066Sahrens } mdb_metaslab_t; 1479fa9e4066Sahrens 14805f5f7a6fSahrens typedef struct space_data { 14810713e232SGeorge Wilson uint64_t ms_alloctree[TXG_SIZE]; 14820713e232SGeorge Wilson uint64_t ms_freetree[TXG_SIZE]; 14830713e232SGeorge Wilson uint64_t ms_tree; 14845f5f7a6fSahrens uint64_t avail; 14855f5f7a6fSahrens uint64_t nowavail; 14865f5f7a6fSahrens } space_data_t; 14875f5f7a6fSahrens 14885f5f7a6fSahrens /* ARGSUSED */ 14895f5f7a6fSahrens static int 14905f5f7a6fSahrens space_cb(uintptr_t addr, const void *unknown, void *arg) 14915f5f7a6fSahrens { 14925f5f7a6fSahrens space_data_t *sd = arg; 14935f5f7a6fSahrens mdb_metaslab_t ms; 14940713e232SGeorge Wilson mdb_range_tree_t rt; 14950713e232SGeorge Wilson mdb_space_map_t sm; 14960713e232SGeorge Wilson mdb_space_map_phys_t smp = { 0 }; 14970713e232SGeorge Wilson int i; 14980713e232SGeorge Wilson 14990713e232SGeorge Wilson if (mdb_ctf_vread(&ms, "metaslab_t", "mdb_metaslab_t", 15000713e232SGeorge Wilson addr, 0) == -1) 15010713e232SGeorge Wilson return (WALK_ERR); 15020713e232SGeorge Wilson 15030713e232SGeorge Wilson for (i = 0; i < TXG_SIZE; i++) { 15040713e232SGeorge Wilson 15050713e232SGeorge Wilson if (mdb_ctf_vread(&rt, "range_tree_t", 15060713e232SGeorge Wilson "mdb_range_tree_t", ms.ms_alloctree[i], 0) == -1) 15070713e232SGeorge Wilson sd->ms_alloctree[i] += rt.rt_space; 15085f5f7a6fSahrens 15090713e232SGeorge Wilson if (mdb_ctf_vread(&rt, "range_tree_t", 15100713e232SGeorge Wilson "mdb_range_tree_t", ms.ms_freetree[i], 0) == -1) 15110713e232SGeorge Wilson sd->ms_freetree[i] += rt.rt_space; 15120713e232SGeorge Wilson } 15130713e232SGeorge Wilson 15140713e232SGeorge Wilson if (mdb_ctf_vread(&rt, "range_tree_t", 15150713e232SGeorge Wilson "mdb_range_tree_t", ms.ms_tree, 0) == -1 || 15160713e232SGeorge Wilson mdb_ctf_vread(&sm, "space_map_t", 15170713e232SGeorge Wilson "mdb_space_map_t", ms.ms_sm, 0) == -1) 15185f5f7a6fSahrens return (WALK_ERR); 15190713e232SGeorge Wilson 15200713e232SGeorge Wilson if (sm.sm_phys != NULL) { 15210713e232SGeorge Wilson (void) mdb_ctf_vread(&smp, "space_map_phys_t", 15220713e232SGeorge Wilson "mdb_space_map_phys_t", sm.sm_phys, 0); 15235f5f7a6fSahrens } 15245f5f7a6fSahrens 15250713e232SGeorge Wilson sd->ms_tree += rt.rt_space; 15260713e232SGeorge Wilson sd->avail += sm.sm_size - sm.sm_alloc; 15270713e232SGeorge Wilson sd->nowavail += sm.sm_size - smp.smp_alloc; 15285f5f7a6fSahrens 15295f5f7a6fSahrens return (WALK_NEXT); 15305f5f7a6fSahrens } 15315f5f7a6fSahrens 1532fa9e4066Sahrens /* 1533fa9e4066Sahrens * ::spa_space [-b] 1534fa9e4066Sahrens * 1535fa9e4066Sahrens * Given a spa_t, print out it's on-disk space usage and in-core 1536fa9e4066Sahrens * estimates of future usage. If -b is given, print space in bytes. 1537fa9e4066Sahrens * Otherwise print in megabytes. 1538fa9e4066Sahrens */ 1539fa9e4066Sahrens /* ARGSUSED */ 1540fa9e4066Sahrens static int 1541fa9e4066Sahrens spa_space(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1542fa9e4066Sahrens { 1543fa9e4066Sahrens mdb_spa_t spa; 1544fa9e4066Sahrens uintptr_t dp_root_dir; 1545fa9e4066Sahrens mdb_dsl_dir_t dd; 1546fa9e4066Sahrens mdb_dsl_dir_phys_t dsp; 1547fa9e4066Sahrens uint64_t children; 1548fa9e4066Sahrens uintptr_t childaddr; 15495f5f7a6fSahrens space_data_t sd; 1550fa9e4066Sahrens int shift = 20; 1551fa9e4066Sahrens char *suffix = "M"; 155228e4da25SMatthew Ahrens int bytes = B_FALSE; 1553fa9e4066Sahrens 155428e4da25SMatthew Ahrens if (mdb_getopts(argc, argv, 'b', MDB_OPT_SETBITS, TRUE, &bytes, NULL) != 1555fa9e4066Sahrens argc) 1556fa9e4066Sahrens return (DCMD_USAGE); 1557fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) 1558fa9e4066Sahrens return (DCMD_USAGE); 1559fa9e4066Sahrens 156028e4da25SMatthew Ahrens if (bytes) { 1561fa9e4066Sahrens shift = 0; 1562fa9e4066Sahrens suffix = ""; 1563fa9e4066Sahrens } 1564fa9e4066Sahrens 156528e4da25SMatthew Ahrens if (GETMEMB(addr, "spa", spa_dsl_pool, spa.spa_dsl_pool) || 156628e4da25SMatthew Ahrens GETMEMB(addr, "spa", spa_root_vdev, spa.spa_root_vdev) || 156728e4da25SMatthew Ahrens GETMEMB(spa.spa_root_vdev, "vdev", vdev_children, children) || 156828e4da25SMatthew Ahrens GETMEMB(spa.spa_root_vdev, "vdev", vdev_child, childaddr) || 156928e4da25SMatthew Ahrens GETMEMB(spa.spa_dsl_pool, "dsl_pool", 1570fa9e4066Sahrens dp_root_dir, dp_root_dir) || 157128e4da25SMatthew Ahrens GETMEMB(dp_root_dir, "dsl_dir", dd_phys, dd.dd_phys) || 157228e4da25SMatthew Ahrens GETMEMB(dp_root_dir, "dsl_dir", 1573fa9e4066Sahrens dd_space_towrite, dd.dd_space_towrite) || 157428e4da25SMatthew Ahrens GETMEMB(dd.dd_phys, "dsl_dir_phys", 15755f5f7a6fSahrens dd_used_bytes, dsp.dd_used_bytes) || 157628e4da25SMatthew Ahrens GETMEMB(dd.dd_phys, "dsl_dir_phys", 1577fa9e4066Sahrens dd_compressed_bytes, dsp.dd_compressed_bytes) || 157828e4da25SMatthew Ahrens GETMEMB(dd.dd_phys, "dsl_dir_phys", 1579fa9e4066Sahrens dd_uncompressed_bytes, dsp.dd_uncompressed_bytes)) { 1580fa9e4066Sahrens return (DCMD_ERR); 1581fa9e4066Sahrens } 1582fa9e4066Sahrens 1583fa9e4066Sahrens mdb_printf("dd_space_towrite = %llu%s %llu%s %llu%s %llu%s\n", 1584fa9e4066Sahrens dd.dd_space_towrite[0] >> shift, suffix, 1585fa9e4066Sahrens dd.dd_space_towrite[1] >> shift, suffix, 1586fa9e4066Sahrens dd.dd_space_towrite[2] >> shift, suffix, 1587fa9e4066Sahrens dd.dd_space_towrite[3] >> shift, suffix); 1588fa9e4066Sahrens 1589fa9e4066Sahrens mdb_printf("dd_phys.dd_used_bytes = %llu%s\n", 1590fa9e4066Sahrens dsp.dd_used_bytes >> shift, suffix); 15915f5f7a6fSahrens mdb_printf("dd_phys.dd_compressed_bytes = %llu%s\n", 15925f5f7a6fSahrens dsp.dd_compressed_bytes >> shift, suffix); 15935f5f7a6fSahrens mdb_printf("dd_phys.dd_uncompressed_bytes = %llu%s\n", 15945f5f7a6fSahrens dsp.dd_uncompressed_bytes >> shift, suffix); 15955f5f7a6fSahrens 15965f5f7a6fSahrens bzero(&sd, sizeof (sd)); 15975f5f7a6fSahrens if (mdb_pwalk("metaslab", space_cb, &sd, addr) != 0) { 15985f5f7a6fSahrens mdb_warn("can't walk metaslabs"); 15995f5f7a6fSahrens return (DCMD_ERR); 1600fa9e4066Sahrens } 1601fa9e4066Sahrens 1602fa9e4066Sahrens mdb_printf("ms_allocmap = %llu%s %llu%s %llu%s %llu%s\n", 16030713e232SGeorge Wilson sd.ms_alloctree[0] >> shift, suffix, 16040713e232SGeorge Wilson sd.ms_alloctree[1] >> shift, suffix, 16050713e232SGeorge Wilson sd.ms_alloctree[2] >> shift, suffix, 16060713e232SGeorge Wilson sd.ms_alloctree[3] >> shift, suffix); 1607fa9e4066Sahrens mdb_printf("ms_freemap = %llu%s %llu%s %llu%s %llu%s\n", 16080713e232SGeorge Wilson sd.ms_freetree[0] >> shift, suffix, 16090713e232SGeorge Wilson sd.ms_freetree[1] >> shift, suffix, 16100713e232SGeorge Wilson sd.ms_freetree[2] >> shift, suffix, 16110713e232SGeorge Wilson sd.ms_freetree[3] >> shift, suffix); 16120713e232SGeorge Wilson mdb_printf("ms_tree = %llu%s\n", sd.ms_tree >> shift, suffix); 16135f5f7a6fSahrens mdb_printf("last synced avail = %llu%s\n", sd.avail >> shift, suffix); 16145f5f7a6fSahrens mdb_printf("current syncing avail = %llu%s\n", 16155f5f7a6fSahrens sd.nowavail >> shift, suffix); 1616fa9e4066Sahrens 1617fa9e4066Sahrens return (DCMD_OK); 1618fa9e4066Sahrens } 1619fa9e4066Sahrens 162022ce0148SMatthew Ahrens typedef struct mdb_spa_aux_vdev { 162122ce0148SMatthew Ahrens int sav_count; 162222ce0148SMatthew Ahrens uintptr_t sav_vdevs; 162322ce0148SMatthew Ahrens } mdb_spa_aux_vdev_t; 1624fa9e4066Sahrens 162522ce0148SMatthew Ahrens typedef struct mdb_spa_vdevs { 162622ce0148SMatthew Ahrens uintptr_t spa_root_vdev; 162722ce0148SMatthew Ahrens mdb_spa_aux_vdev_t spa_l2cache; 162822ce0148SMatthew Ahrens mdb_spa_aux_vdev_t spa_spares; 162922ce0148SMatthew Ahrens } mdb_spa_vdevs_t; 1630fa9e4066Sahrens 1631ec9f632eSEric Schrock static int 163222ce0148SMatthew Ahrens spa_print_aux(mdb_spa_aux_vdev_t *sav, uint_t flags, mdb_arg_t *v, 1633ec9f632eSEric Schrock const char *name) 1634ec9f632eSEric Schrock { 1635ec9f632eSEric Schrock uintptr_t *aux; 1636ec9f632eSEric Schrock size_t len; 1637ec9f632eSEric Schrock int ret, i; 1638ec9f632eSEric Schrock 1639ec9f632eSEric Schrock /* 1640ec9f632eSEric Schrock * Iterate over aux vdevs and print those out as well. This is a 1641ec9f632eSEric Schrock * little annoying because we don't have a root vdev to pass to ::vdev. 1642ec9f632eSEric Schrock * Instead, we print a single line and then call it for each child 1643ec9f632eSEric Schrock * vdev. 1644ec9f632eSEric Schrock */ 1645ec9f632eSEric Schrock if (sav->sav_count != 0) { 1646ec9f632eSEric Schrock v[1].a_type = MDB_TYPE_STRING; 1647ec9f632eSEric Schrock v[1].a_un.a_str = "-d"; 1648ec9f632eSEric Schrock v[2].a_type = MDB_TYPE_IMMEDIATE; 1649ec9f632eSEric Schrock v[2].a_un.a_val = 2; 1650ec9f632eSEric Schrock 1651ec9f632eSEric Schrock len = sav->sav_count * sizeof (uintptr_t); 1652ec9f632eSEric Schrock aux = mdb_alloc(len, UM_SLEEP); 165322ce0148SMatthew Ahrens if (mdb_vread(aux, len, sav->sav_vdevs) == -1) { 1654ec9f632eSEric Schrock mdb_free(aux, len); 1655ec9f632eSEric Schrock mdb_warn("failed to read l2cache vdevs at %p", 1656ec9f632eSEric Schrock sav->sav_vdevs); 1657ec9f632eSEric Schrock return (DCMD_ERR); 1658ec9f632eSEric Schrock } 1659ec9f632eSEric Schrock 1660ec9f632eSEric Schrock mdb_printf("%-?s %-9s %-12s %s\n", "-", "-", "-", name); 1661ec9f632eSEric Schrock 1662ec9f632eSEric Schrock for (i = 0; i < sav->sav_count; i++) { 1663ec9f632eSEric Schrock ret = mdb_call_dcmd("vdev", aux[i], flags, 3, v); 1664ec9f632eSEric Schrock if (ret != DCMD_OK) { 1665ec9f632eSEric Schrock mdb_free(aux, len); 1666ec9f632eSEric Schrock return (ret); 1667ec9f632eSEric Schrock } 1668ec9f632eSEric Schrock } 1669ec9f632eSEric Schrock 1670ec9f632eSEric Schrock mdb_free(aux, len); 1671ec9f632eSEric Schrock } 1672ec9f632eSEric Schrock 1673ec9f632eSEric Schrock return (0); 1674ec9f632eSEric Schrock } 1675ec9f632eSEric Schrock 1676fa9e4066Sahrens /* 1677fa9e4066Sahrens * ::spa_vdevs 1678fa9e4066Sahrens * 1679fa9e4066Sahrens * -e Include error stats 1680fa9e4066Sahrens * 1681fa9e4066Sahrens * Print out a summarized list of vdevs for the given spa_t. 1682c5904d13Seschrock * This is accomplished by invoking "::vdev -re" on the root vdev, as well as 1683c5904d13Seschrock * iterating over the cache devices. 1684fa9e4066Sahrens */ 1685fa9e4066Sahrens /* ARGSUSED */ 1686fa9e4066Sahrens static int 1687fa9e4066Sahrens spa_vdevs(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1688fa9e4066Sahrens { 1689c5904d13Seschrock mdb_arg_t v[3]; 1690fa9e4066Sahrens int errors = FALSE; 1691ec9f632eSEric Schrock int ret; 1692fa9e4066Sahrens 1693fa9e4066Sahrens if (mdb_getopts(argc, argv, 1694fa9e4066Sahrens 'e', MDB_OPT_SETBITS, TRUE, &errors, 1695fa9e4066Sahrens NULL) != argc) 1696fa9e4066Sahrens return (DCMD_USAGE); 1697fa9e4066Sahrens 1698fa9e4066Sahrens if (!(flags & DCMD_ADDRSPEC)) 1699fa9e4066Sahrens return (DCMD_USAGE); 1700fa9e4066Sahrens 170122ce0148SMatthew Ahrens mdb_spa_vdevs_t spa; 170222ce0148SMatthew Ahrens if (mdb_ctf_vread(&spa, "spa_t", "mdb_spa_vdevs_t", addr, 0) == -1) 1703fa9e4066Sahrens return (DCMD_ERR); 1704fa9e4066Sahrens 1705088e9d47Seschrock /* 1706088e9d47Seschrock * Unitialized spa_t structures can have a NULL root vdev. 1707088e9d47Seschrock */ 1708088e9d47Seschrock if (spa.spa_root_vdev == NULL) { 1709088e9d47Seschrock mdb_printf("no associated vdevs\n"); 1710088e9d47Seschrock return (DCMD_OK); 1711088e9d47Seschrock } 1712088e9d47Seschrock 1713c5904d13Seschrock v[0].a_type = MDB_TYPE_STRING; 1714c5904d13Seschrock v[0].a_un.a_str = errors ? "-re" : "-r"; 1715fa9e4066Sahrens 1716c5904d13Seschrock ret = mdb_call_dcmd("vdev", (uintptr_t)spa.spa_root_vdev, 1717c5904d13Seschrock flags, 1, v); 1718c5904d13Seschrock if (ret != DCMD_OK) 1719c5904d13Seschrock return (ret); 1720c5904d13Seschrock 1721ec9f632eSEric Schrock if (spa_print_aux(&spa.spa_l2cache, flags, v, "cache") != 0 || 1722ec9f632eSEric Schrock spa_print_aux(&spa.spa_spares, flags, v, "spares") != 0) 1723ec9f632eSEric Schrock return (DCMD_ERR); 1724c5904d13Seschrock 1725c5904d13Seschrock return (DCMD_OK); 1726fa9e4066Sahrens } 1727fa9e4066Sahrens 1728ccae0b50Seschrock /* 1729ccae0b50Seschrock * ::zio 1730ccae0b50Seschrock * 1731ccae0b50Seschrock * Print a summary of zio_t and all its children. This is intended to display a 1732ccae0b50Seschrock * zio tree, and hence we only pick the most important pieces of information for 1733ccae0b50Seschrock * the main summary. More detailed information can always be found by doing a 1734ccae0b50Seschrock * '::print zio' on the underlying zio_t. The columns we display are: 1735ccae0b50Seschrock * 1736c55e05cbSMatthew Ahrens * ADDRESS TYPE STAGE WAITER TIME_ELAPSED 1737ccae0b50Seschrock * 1738ccae0b50Seschrock * The 'address' column is indented by one space for each depth level as we 1739ccae0b50Seschrock * descend down the tree. 1740ccae0b50Seschrock */ 1741fac3008cSeschrock 1742c55e05cbSMatthew Ahrens #define ZIO_MAXINDENT 7 1743a3f829aeSBill Moore #define ZIO_MAXWIDTH (sizeof (uintptr_t) * 2 + ZIO_MAXINDENT) 1744a3f829aeSBill Moore #define ZIO_WALK_SELF 0 1745a3f829aeSBill Moore #define ZIO_WALK_CHILD 1 1746a3f829aeSBill Moore #define ZIO_WALK_PARENT 2 1747a3f829aeSBill Moore 1748a3f829aeSBill Moore typedef struct zio_print_args { 1749a3f829aeSBill Moore int zpa_current_depth; 1750a3f829aeSBill Moore int zpa_min_depth; 1751a3f829aeSBill Moore int zpa_max_depth; 1752a3f829aeSBill Moore int zpa_type; 1753a3f829aeSBill Moore uint_t zpa_flags; 1754a3f829aeSBill Moore } zio_print_args_t; 1755a3f829aeSBill Moore 175628e4da25SMatthew Ahrens typedef struct mdb_zio { 175728e4da25SMatthew Ahrens enum zio_type io_type; 175828e4da25SMatthew Ahrens enum zio_stage io_stage; 1759d5ee8a13SMatthew Ahrens uintptr_t io_waiter; 1760d5ee8a13SMatthew Ahrens uintptr_t io_spa; 176128e4da25SMatthew Ahrens struct { 176228e4da25SMatthew Ahrens struct { 1763d5ee8a13SMatthew Ahrens uintptr_t list_next; 176428e4da25SMatthew Ahrens } list_head; 176528e4da25SMatthew Ahrens } io_parent_list; 176628e4da25SMatthew Ahrens int io_error; 176728e4da25SMatthew Ahrens } mdb_zio_t; 176828e4da25SMatthew Ahrens 1769c55e05cbSMatthew Ahrens typedef struct mdb_zio_timestamp { 1770c55e05cbSMatthew Ahrens hrtime_t io_timestamp; 1771c55e05cbSMatthew Ahrens } mdb_zio_timestamp_t; 1772c55e05cbSMatthew Ahrens 1773a3f829aeSBill Moore static int zio_child_cb(uintptr_t addr, const void *unknown, void *arg); 1774fac3008cSeschrock 1775ccae0b50Seschrock static int 1776c55e05cbSMatthew Ahrens zio_print_cb(uintptr_t addr, zio_print_args_t *zpa) 1777ccae0b50Seschrock { 1778ccae0b50Seschrock mdb_ctf_id_t type_enum, stage_enum; 1779a3f829aeSBill Moore int indent = zpa->zpa_current_depth; 1780ccae0b50Seschrock const char *type, *stage; 1781a3f829aeSBill Moore uintptr_t laddr; 1782c55e05cbSMatthew Ahrens mdb_zio_t zio; 1783c55e05cbSMatthew Ahrens mdb_zio_timestamp_t zio_timestamp = { 0 }; 1784c55e05cbSMatthew Ahrens 1785c55e05cbSMatthew Ahrens if (mdb_ctf_vread(&zio, ZFS_STRUCT "zio", "mdb_zio_t", addr, 0) == -1) 1786c55e05cbSMatthew Ahrens return (WALK_ERR); 1787c55e05cbSMatthew Ahrens (void) mdb_ctf_vread(&zio_timestamp, ZFS_STRUCT "zio", 1788c55e05cbSMatthew Ahrens "mdb_zio_timestamp_t", addr, MDB_CTF_VREAD_QUIET); 1789ccae0b50Seschrock 1790a3f829aeSBill Moore if (indent > ZIO_MAXINDENT) 1791a3f829aeSBill Moore indent = ZIO_MAXINDENT; 1792ccae0b50Seschrock 1793ccae0b50Seschrock if (mdb_ctf_lookup_by_name("enum zio_type", &type_enum) == -1 || 1794ccae0b50Seschrock mdb_ctf_lookup_by_name("enum zio_stage", &stage_enum) == -1) { 1795ccae0b50Seschrock mdb_warn("failed to lookup zio enums"); 1796ccae0b50Seschrock return (WALK_ERR); 1797ccae0b50Seschrock } 1798ccae0b50Seschrock 1799c55e05cbSMatthew Ahrens if ((type = mdb_ctf_enum_name(type_enum, zio.io_type)) != NULL) 1800ccae0b50Seschrock type += sizeof ("ZIO_TYPE_") - 1; 1801ccae0b50Seschrock else 1802ccae0b50Seschrock type = "?"; 1803ccae0b50Seschrock 1804c55e05cbSMatthew Ahrens if (zio.io_error == 0) { 1805c55e05cbSMatthew Ahrens stage = mdb_ctf_enum_name(stage_enum, zio.io_stage); 180628e4da25SMatthew Ahrens if (stage != NULL) 180728e4da25SMatthew Ahrens stage += sizeof ("ZIO_STAGE_") - 1; 180828e4da25SMatthew Ahrens else 180928e4da25SMatthew Ahrens stage = "?"; 181028e4da25SMatthew Ahrens } else { 181128e4da25SMatthew Ahrens stage = "FAILED"; 181228e4da25SMatthew Ahrens } 1813ccae0b50Seschrock 1814a3f829aeSBill Moore if (zpa->zpa_current_depth >= zpa->zpa_min_depth) { 1815a3f829aeSBill Moore if (zpa->zpa_flags & DCMD_PIPE_OUT) { 1816a3f829aeSBill Moore mdb_printf("%?p\n", addr); 1817a3f829aeSBill Moore } else { 1818a3f829aeSBill Moore mdb_printf("%*s%-*p %-5s %-16s ", indent, "", 1819a3f829aeSBill Moore ZIO_MAXWIDTH - indent, addr, type, stage); 1820d5ee8a13SMatthew Ahrens if (zio.io_waiter != 0) 1821d5ee8a13SMatthew Ahrens mdb_printf("%-16lx ", zio.io_waiter); 1822a3f829aeSBill Moore else 1823c55e05cbSMatthew Ahrens mdb_printf("%-16s ", "-"); 1824c55e05cbSMatthew Ahrens #ifdef _KERNEL 1825c55e05cbSMatthew Ahrens if (zio_timestamp.io_timestamp != 0) { 1826c55e05cbSMatthew Ahrens mdb_printf("%llums", (mdb_gethrtime() - 1827c55e05cbSMatthew Ahrens zio_timestamp.io_timestamp) / 1828c55e05cbSMatthew Ahrens 1000000); 1829c55e05cbSMatthew Ahrens } else { 1830c55e05cbSMatthew Ahrens mdb_printf("%-12s ", "-"); 1831c55e05cbSMatthew Ahrens } 1832c55e05cbSMatthew Ahrens #else 1833c55e05cbSMatthew Ahrens mdb_printf("%-12s ", "-"); 1834c55e05cbSMatthew Ahrens #endif 1835c55e05cbSMatthew Ahrens mdb_printf("\n"); 1836a3f829aeSBill Moore } 1837a3f829aeSBill Moore } 1838a3f829aeSBill Moore 1839a3f829aeSBill Moore if (zpa->zpa_current_depth >= zpa->zpa_max_depth) 1840a3f829aeSBill Moore return (WALK_NEXT); 1841ccae0b50Seschrock 1842a3f829aeSBill Moore if (zpa->zpa_type == ZIO_WALK_PARENT) 184328e4da25SMatthew Ahrens laddr = addr + mdb_ctf_offsetof_by_name(ZFS_STRUCT "zio", 184428e4da25SMatthew Ahrens "io_parent_list"); 1845ccae0b50Seschrock else 184628e4da25SMatthew Ahrens laddr = addr + mdb_ctf_offsetof_by_name(ZFS_STRUCT "zio", 184728e4da25SMatthew Ahrens "io_child_list"); 1848ccae0b50Seschrock 1849a3f829aeSBill Moore zpa->zpa_current_depth++; 1850a3f829aeSBill Moore if (mdb_pwalk("list", zio_child_cb, zpa, laddr) != 0) { 1851a3f829aeSBill Moore mdb_warn("failed to walk zio_t children at %p\n", laddr); 1852ccae0b50Seschrock return (WALK_ERR); 1853ccae0b50Seschrock } 1854a3f829aeSBill Moore zpa->zpa_current_depth--; 1855ccae0b50Seschrock 1856ccae0b50Seschrock return (WALK_NEXT); 1857ccae0b50Seschrock } 1858ccae0b50Seschrock 1859a3f829aeSBill Moore /* ARGSUSED */ 1860ccae0b50Seschrock static int 1861a3f829aeSBill Moore zio_child_cb(uintptr_t addr, const void *unknown, void *arg) 1862ccae0b50Seschrock { 1863a3f829aeSBill Moore zio_link_t zl; 1864a3f829aeSBill Moore uintptr_t ziop; 1865a3f829aeSBill Moore zio_print_args_t *zpa = arg; 1866a3f829aeSBill Moore 1867a3f829aeSBill Moore if (mdb_vread(&zl, sizeof (zl), addr) == -1) { 1868a3f829aeSBill Moore mdb_warn("failed to read zio_link_t at %p", addr); 1869a3f829aeSBill Moore return (WALK_ERR); 1870a3f829aeSBill Moore } 1871a3f829aeSBill Moore 1872a3f829aeSBill Moore if (zpa->zpa_type == ZIO_WALK_PARENT) 1873a3f829aeSBill Moore ziop = (uintptr_t)zl.zl_parent; 1874a3f829aeSBill Moore else 1875a3f829aeSBill Moore ziop = (uintptr_t)zl.zl_child; 1876a3f829aeSBill Moore 187769962b56SMatthew Ahrens return (zio_print_cb(ziop, zpa)); 1878a3f829aeSBill Moore } 1879a3f829aeSBill Moore 1880a3f829aeSBill Moore /* ARGSUSED */ 1881a3f829aeSBill Moore static int 1882a3f829aeSBill Moore zio_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1883a3f829aeSBill Moore { 1884a3f829aeSBill Moore zio_print_args_t zpa = { 0 }; 1885ccae0b50Seschrock 1886ccae0b50Seschrock if (!(flags & DCMD_ADDRSPEC)) 1887ccae0b50Seschrock return (DCMD_USAGE); 1888ccae0b50Seschrock 1889a3f829aeSBill Moore if (mdb_getopts(argc, argv, 1890a3f829aeSBill Moore 'r', MDB_OPT_SETBITS, INT_MAX, &zpa.zpa_max_depth, 1891a3f829aeSBill Moore 'c', MDB_OPT_SETBITS, ZIO_WALK_CHILD, &zpa.zpa_type, 1892a3f829aeSBill Moore 'p', MDB_OPT_SETBITS, ZIO_WALK_PARENT, &zpa.zpa_type, 1893a3f829aeSBill Moore NULL) != argc) 1894a3f829aeSBill Moore return (DCMD_USAGE); 1895a3f829aeSBill Moore 1896a3f829aeSBill Moore zpa.zpa_flags = flags; 1897a3f829aeSBill Moore if (zpa.zpa_max_depth != 0) { 1898a3f829aeSBill Moore if (zpa.zpa_type == ZIO_WALK_SELF) 1899a3f829aeSBill Moore zpa.zpa_type = ZIO_WALK_CHILD; 1900a3f829aeSBill Moore } else if (zpa.zpa_type != ZIO_WALK_SELF) { 1901a3f829aeSBill Moore zpa.zpa_min_depth = 1; 1902a3f829aeSBill Moore zpa.zpa_max_depth = 1; 1903a3f829aeSBill Moore } 1904a3f829aeSBill Moore 1905c55e05cbSMatthew Ahrens if (!(flags & DCMD_PIPE_OUT) && DCMD_HDRSPEC(flags)) { 1906c55e05cbSMatthew Ahrens mdb_printf("%<u>%-*s %-5s %-16s %-16s %-12s%</u>\n", 1907c55e05cbSMatthew Ahrens ZIO_MAXWIDTH, "ADDRESS", "TYPE", "STAGE", "WAITER", 1908c55e05cbSMatthew Ahrens "TIME_ELAPSED"); 1909c55e05cbSMatthew Ahrens } 1910fac3008cSeschrock 1911c55e05cbSMatthew Ahrens if (zio_print_cb(addr, &zpa) != WALK_NEXT) 1912ccae0b50Seschrock return (DCMD_ERR); 1913ccae0b50Seschrock 1914ccae0b50Seschrock return (DCMD_OK); 1915ccae0b50Seschrock } 1916ccae0b50Seschrock 1917ccae0b50Seschrock /* 1918ccae0b50Seschrock * [addr]::zio_state 1919ccae0b50Seschrock * 1920ccae0b50Seschrock * Print a summary of all zio_t structures on the system, or for a particular 1921ccae0b50Seschrock * pool. This is equivalent to '::walk zio_root | ::zio'. 1922ccae0b50Seschrock */ 1923ccae0b50Seschrock /*ARGSUSED*/ 1924ccae0b50Seschrock static int 1925ccae0b50Seschrock zio_state(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 1926ccae0b50Seschrock { 1927ccae0b50Seschrock /* 1928ccae0b50Seschrock * MDB will remember the last address of the pipeline, so if we don't 1929ccae0b50Seschrock * zero this we'll end up trying to walk zio structures for a 1930ccae0b50Seschrock * non-existent spa_t. 1931ccae0b50Seschrock */ 1932ccae0b50Seschrock if (!(flags & DCMD_ADDRSPEC)) 1933ccae0b50Seschrock addr = 0; 1934ccae0b50Seschrock 1935ccae0b50Seschrock return (mdb_pwalk_dcmd("zio_root", "zio", argc, argv, addr)); 1936ccae0b50Seschrock } 1937ccae0b50Seschrock 1938fa9e4066Sahrens typedef struct txg_list_walk_data { 1939fa9e4066Sahrens uintptr_t lw_head[TXG_SIZE]; 1940fa9e4066Sahrens int lw_txgoff; 1941fa9e4066Sahrens int lw_maxoff; 1942fa9e4066Sahrens size_t lw_offset; 1943fa9e4066Sahrens void *lw_obj; 1944fa9e4066Sahrens } txg_list_walk_data_t; 1945fa9e4066Sahrens 1946fa9e4066Sahrens static int 1947fa9e4066Sahrens txg_list_walk_init_common(mdb_walk_state_t *wsp, int txg, int maxoff) 1948fa9e4066Sahrens { 1949fa9e4066Sahrens txg_list_walk_data_t *lwd; 1950fa9e4066Sahrens txg_list_t list; 1951fa9e4066Sahrens int i; 1952fa9e4066Sahrens 1953fa9e4066Sahrens lwd = mdb_alloc(sizeof (txg_list_walk_data_t), UM_SLEEP | UM_GC); 1954fa9e4066Sahrens if (mdb_vread(&list, sizeof (txg_list_t), wsp->walk_addr) == -1) { 1955fa9e4066Sahrens mdb_warn("failed to read txg_list_t at %#lx", wsp->walk_addr); 1956fa9e4066Sahrens return (WALK_ERR); 1957fa9e4066Sahrens } 1958fa9e4066Sahrens 1959fa9e4066Sahrens for (i = 0; i < TXG_SIZE; i++) 1960fa9e4066Sahrens lwd->lw_head[i] = (uintptr_t)list.tl_head[i]; 1961fa9e4066Sahrens lwd->lw_offset = list.tl_offset; 1962fa9e4066Sahrens lwd->lw_obj = mdb_alloc(lwd->lw_offset + sizeof (txg_node_t), 1963fa9e4066Sahrens UM_SLEEP | UM_GC); 1964fa9e4066Sahrens lwd->lw_txgoff = txg; 1965fa9e4066Sahrens lwd->lw_maxoff = maxoff; 1966fa9e4066Sahrens 1967fa9e4066Sahrens wsp->walk_addr = lwd->lw_head[lwd->lw_txgoff]; 1968fa9e4066Sahrens wsp->walk_data = lwd; 1969fa9e4066Sahrens 1970fa9e4066Sahrens return (WALK_NEXT); 1971fa9e4066Sahrens } 1972fa9e4066Sahrens 1973fa9e4066Sahrens static int 1974fa9e4066Sahrens txg_list_walk_init(mdb_walk_state_t *wsp) 1975fa9e4066Sahrens { 1976fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 0, TXG_SIZE-1)); 1977fa9e4066Sahrens } 1978fa9e4066Sahrens 1979fa9e4066Sahrens static int 1980fa9e4066Sahrens txg_list0_walk_init(mdb_walk_state_t *wsp) 1981fa9e4066Sahrens { 1982fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 0, 0)); 1983fa9e4066Sahrens } 1984fa9e4066Sahrens 1985fa9e4066Sahrens static int 1986fa9e4066Sahrens txg_list1_walk_init(mdb_walk_state_t *wsp) 1987fa9e4066Sahrens { 1988fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 1, 1)); 1989fa9e4066Sahrens } 1990fa9e4066Sahrens 1991fa9e4066Sahrens static int 1992fa9e4066Sahrens txg_list2_walk_init(mdb_walk_state_t *wsp) 1993fa9e4066Sahrens { 1994fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 2, 2)); 1995fa9e4066Sahrens } 1996fa9e4066Sahrens 1997fa9e4066Sahrens static int 1998fa9e4066Sahrens txg_list3_walk_init(mdb_walk_state_t *wsp) 1999fa9e4066Sahrens { 2000fa9e4066Sahrens return (txg_list_walk_init_common(wsp, 3, 3)); 2001fa9e4066Sahrens } 2002fa9e4066Sahrens 2003fa9e4066Sahrens static int 2004fa9e4066Sahrens txg_list_walk_step(mdb_walk_state_t *wsp) 2005fa9e4066Sahrens { 2006fa9e4066Sahrens txg_list_walk_data_t *lwd = wsp->walk_data; 2007fa9e4066Sahrens uintptr_t addr; 2008fa9e4066Sahrens txg_node_t *node; 2009fa9e4066Sahrens int status; 2010fa9e4066Sahrens 2011fa9e4066Sahrens while (wsp->walk_addr == NULL && lwd->lw_txgoff < lwd->lw_maxoff) { 2012fa9e4066Sahrens lwd->lw_txgoff++; 2013fa9e4066Sahrens wsp->walk_addr = lwd->lw_head[lwd->lw_txgoff]; 2014fa9e4066Sahrens } 2015fa9e4066Sahrens 2016fa9e4066Sahrens if (wsp->walk_addr == NULL) 2017fa9e4066Sahrens return (WALK_DONE); 2018fa9e4066Sahrens 2019fa9e4066Sahrens addr = wsp->walk_addr - lwd->lw_offset; 2020fa9e4066Sahrens 2021fa9e4066Sahrens if (mdb_vread(lwd->lw_obj, 2022fa9e4066Sahrens lwd->lw_offset + sizeof (txg_node_t), addr) == -1) { 2023fa9e4066Sahrens mdb_warn("failed to read list element at %#lx", addr); 2024fa9e4066Sahrens return (WALK_ERR); 2025fa9e4066Sahrens } 2026fa9e4066Sahrens 2027fa9e4066Sahrens status = wsp->walk_callback(addr, lwd->lw_obj, wsp->walk_cbdata); 2028fa9e4066Sahrens node = (txg_node_t *)((uintptr_t)lwd->lw_obj + lwd->lw_offset); 2029fa9e4066Sahrens wsp->walk_addr = (uintptr_t)node->tn_next[lwd->lw_txgoff]; 2030fa9e4066Sahrens 2031fa9e4066Sahrens return (status); 2032fa9e4066Sahrens } 2033fa9e4066Sahrens 2034fa9e4066Sahrens /* 2035fa9e4066Sahrens * ::walk spa 2036fa9e4066Sahrens * 2037fa9e4066Sahrens * Walk all named spa_t structures in the namespace. This is nothing more than 2038fa9e4066Sahrens * a layered avl walk. 2039fa9e4066Sahrens */ 2040fa9e4066Sahrens static int 2041fa9e4066Sahrens spa_walk_init(mdb_walk_state_t *wsp) 2042fa9e4066Sahrens { 2043fa9e4066Sahrens GElf_Sym sym; 2044fa9e4066Sahrens 2045fa9e4066Sahrens if (wsp->walk_addr != NULL) { 2046fa9e4066Sahrens mdb_warn("spa walk only supports global walks\n"); 2047fa9e4066Sahrens return (WALK_ERR); 2048fa9e4066Sahrens } 2049fa9e4066Sahrens 2050fa9e4066Sahrens if (mdb_lookup_by_obj(ZFS_OBJ_NAME, "spa_namespace_avl", &sym) == -1) { 2051fa9e4066Sahrens mdb_warn("failed to find symbol 'spa_namespace_avl'"); 2052fa9e4066Sahrens return (WALK_ERR); 2053fa9e4066Sahrens } 2054fa9e4066Sahrens 2055fa9e4066Sahrens wsp->walk_addr = (uintptr_t)sym.st_value; 2056fa9e4066Sahrens 2057fa9e4066Sahrens if (mdb_layered_walk("avl", wsp) == -1) { 2058fa9e4066Sahrens mdb_warn("failed to walk 'avl'\n"); 2059fa9e4066Sahrens return (WALK_ERR); 2060fa9e4066Sahrens } 2061fa9e4066Sahrens 2062fa9e4066Sahrens return (WALK_NEXT); 2063fa9e4066Sahrens } 2064fa9e4066Sahrens 2065fa9e4066Sahrens static int 2066fa9e4066Sahrens spa_walk_step(mdb_walk_state_t *wsp) 2067fa9e4066Sahrens { 206822ce0148SMatthew Ahrens return (wsp->walk_callback(wsp->walk_addr, NULL, wsp->walk_cbdata)); 2069fa9e4066Sahrens } 2070fa9e4066Sahrens 2071ccae0b50Seschrock /* 2072ccae0b50Seschrock * [addr]::walk zio 2073ccae0b50Seschrock * 2074ccae0b50Seschrock * Walk all active zio_t structures on the system. This is simply a layered 2075ccae0b50Seschrock * walk on top of ::walk zio_cache, with the optional ability to limit the 2076ccae0b50Seschrock * structures to a particular pool. 2077ccae0b50Seschrock */ 2078ccae0b50Seschrock static int 2079ccae0b50Seschrock zio_walk_init(mdb_walk_state_t *wsp) 2080ccae0b50Seschrock { 2081dee140dfSMatthew Ahrens wsp->walk_data = (void *)wsp->walk_addr; 2082ccae0b50Seschrock 2083ccae0b50Seschrock if (mdb_layered_walk("zio_cache", wsp) == -1) { 2084ccae0b50Seschrock mdb_warn("failed to walk 'zio_cache'\n"); 2085ccae0b50Seschrock return (WALK_ERR); 2086ccae0b50Seschrock } 2087ccae0b50Seschrock 2088ccae0b50Seschrock return (WALK_NEXT); 2089ccae0b50Seschrock } 2090ccae0b50Seschrock 2091ccae0b50Seschrock static int 2092ccae0b50Seschrock zio_walk_step(mdb_walk_state_t *wsp) 2093ccae0b50Seschrock { 209428e4da25SMatthew Ahrens mdb_zio_t zio; 2095dee140dfSMatthew Ahrens uintptr_t spa = (uintptr_t)wsp->walk_data; 2096ccae0b50Seschrock 209728e4da25SMatthew Ahrens if (mdb_ctf_vread(&zio, ZFS_STRUCT "zio", "mdb_zio_t", 209828e4da25SMatthew Ahrens wsp->walk_addr, 0) == -1) 2099ccae0b50Seschrock return (WALK_ERR); 2100ccae0b50Seschrock 2101dee140dfSMatthew Ahrens if (spa != 0 && spa != zio.io_spa) 2102ccae0b50Seschrock return (WALK_NEXT); 2103ccae0b50Seschrock 2104ccae0b50Seschrock return (wsp->walk_callback(wsp->walk_addr, &zio, wsp->walk_cbdata)); 2105ccae0b50Seschrock } 2106ccae0b50Seschrock 2107ccae0b50Seschrock /* 2108ccae0b50Seschrock * [addr]::walk zio_root 2109ccae0b50Seschrock * 2110ccae0b50Seschrock * Walk only root zio_t structures, optionally for a particular spa_t. 2111ccae0b50Seschrock */ 2112ccae0b50Seschrock static int 2113ccae0b50Seschrock zio_walk_root_step(mdb_walk_state_t *wsp) 2114ccae0b50Seschrock { 211528e4da25SMatthew Ahrens mdb_zio_t zio; 2116dee140dfSMatthew Ahrens uintptr_t spa = (uintptr_t)wsp->walk_data; 2117ccae0b50Seschrock 211828e4da25SMatthew Ahrens if (mdb_ctf_vread(&zio, ZFS_STRUCT "zio", "mdb_zio_t", 211928e4da25SMatthew Ahrens wsp->walk_addr, 0) == -1) 2120ccae0b50Seschrock return (WALK_ERR); 2121ccae0b50Seschrock 2122dee140dfSMatthew Ahrens if (spa != 0 && spa != zio.io_spa) 2123ccae0b50Seschrock return (WALK_NEXT); 2124ccae0b50Seschrock 2125a3f829aeSBill Moore /* If the parent list is not empty, ignore */ 2126d5ee8a13SMatthew Ahrens if (zio.io_parent_list.list_head.list_next != 212728e4da25SMatthew Ahrens wsp->walk_addr + 212828e4da25SMatthew Ahrens mdb_ctf_offsetof_by_name(ZFS_STRUCT "zio", "io_parent_list") + 212928e4da25SMatthew Ahrens mdb_ctf_offsetof_by_name("struct list", "list_head")) 2130ccae0b50Seschrock return (WALK_NEXT); 2131ccae0b50Seschrock 2132ccae0b50Seschrock return (wsp->walk_callback(wsp->walk_addr, &zio, wsp->walk_cbdata)); 2133ccae0b50Seschrock } 2134ccae0b50Seschrock 213588b7b0f2SMatthew Ahrens #define NICENUM_BUFLEN 6 213688b7b0f2SMatthew Ahrens 213788b7b0f2SMatthew Ahrens static int 2138ff64c0f7SMatthew Ahrens snprintfrac(char *buf, int len, 2139ff64c0f7SMatthew Ahrens uint64_t numerator, uint64_t denom, int frac_digits) 214088b7b0f2SMatthew Ahrens { 2141ff64c0f7SMatthew Ahrens int mul = 1; 214288b7b0f2SMatthew Ahrens int whole, frac, i; 214388b7b0f2SMatthew Ahrens 214488b7b0f2SMatthew Ahrens for (i = frac_digits; i; i--) 214588b7b0f2SMatthew Ahrens mul *= 10; 2146ff64c0f7SMatthew Ahrens whole = numerator / denom; 2147ff64c0f7SMatthew Ahrens frac = mul * numerator / denom - mul * whole; 214888b7b0f2SMatthew Ahrens return (mdb_snprintf(buf, len, "%u.%0*u", whole, frac_digits, frac)); 214988b7b0f2SMatthew Ahrens } 215088b7b0f2SMatthew Ahrens 215188b7b0f2SMatthew Ahrens static void 215288b7b0f2SMatthew Ahrens mdb_nicenum(uint64_t num, char *buf) 215388b7b0f2SMatthew Ahrens { 215488b7b0f2SMatthew Ahrens uint64_t n = num; 215588b7b0f2SMatthew Ahrens int index = 0; 215688b7b0f2SMatthew Ahrens char *u; 215788b7b0f2SMatthew Ahrens 215888b7b0f2SMatthew Ahrens while (n >= 1024) { 215988b7b0f2SMatthew Ahrens n = (n + (1024 / 2)) / 1024; /* Round up or down */ 216088b7b0f2SMatthew Ahrens index++; 216188b7b0f2SMatthew Ahrens } 216288b7b0f2SMatthew Ahrens 216388b7b0f2SMatthew Ahrens u = &" \0K\0M\0G\0T\0P\0E\0"[index*2]; 216488b7b0f2SMatthew Ahrens 216588b7b0f2SMatthew Ahrens if (index == 0) { 216688b7b0f2SMatthew Ahrens (void) mdb_snprintf(buf, NICENUM_BUFLEN, "%llu", 216788b7b0f2SMatthew Ahrens (u_longlong_t)n); 216888b7b0f2SMatthew Ahrens } else if (n < 10 && (num & (num - 1)) != 0) { 2169ff64c0f7SMatthew Ahrens (void) snprintfrac(buf, NICENUM_BUFLEN, 2170ff64c0f7SMatthew Ahrens num, 1ULL << 10 * index, 2); 217188b7b0f2SMatthew Ahrens strcat(buf, u); 217288b7b0f2SMatthew Ahrens } else if (n < 100 && (num & (num - 1)) != 0) { 2173ff64c0f7SMatthew Ahrens (void) snprintfrac(buf, NICENUM_BUFLEN, 2174ff64c0f7SMatthew Ahrens num, 1ULL << 10 * index, 1); 217588b7b0f2SMatthew Ahrens strcat(buf, u); 217688b7b0f2SMatthew Ahrens } else { 217788b7b0f2SMatthew Ahrens (void) mdb_snprintf(buf, NICENUM_BUFLEN, "%llu%s", 217888b7b0f2SMatthew Ahrens (u_longlong_t)n, u); 217988b7b0f2SMatthew Ahrens } 218088b7b0f2SMatthew Ahrens } 218188b7b0f2SMatthew Ahrens 218288b7b0f2SMatthew Ahrens /* 218388b7b0f2SMatthew Ahrens * ::zfs_blkstats 218488b7b0f2SMatthew Ahrens * 218588b7b0f2SMatthew Ahrens * -v print verbose per-level information 218688b7b0f2SMatthew Ahrens * 218788b7b0f2SMatthew Ahrens */ 218888b7b0f2SMatthew Ahrens static int 218988b7b0f2SMatthew Ahrens zfs_blkstats(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 219088b7b0f2SMatthew Ahrens { 219188b7b0f2SMatthew Ahrens boolean_t verbose = B_FALSE; 219288b7b0f2SMatthew Ahrens zfs_all_blkstats_t stats; 219388b7b0f2SMatthew Ahrens dmu_object_type_t t; 219488b7b0f2SMatthew Ahrens zfs_blkstat_t *tzb; 219588b7b0f2SMatthew Ahrens uint64_t ditto; 219688b7b0f2SMatthew Ahrens dmu_object_type_info_t dmu_ot[DMU_OT_NUMTYPES + 10]; 219788b7b0f2SMatthew Ahrens /* +10 in case it grew */ 219888b7b0f2SMatthew Ahrens 219988b7b0f2SMatthew Ahrens if (mdb_readvar(&dmu_ot, "dmu_ot") == -1) { 220088b7b0f2SMatthew Ahrens mdb_warn("failed to read 'dmu_ot'"); 220188b7b0f2SMatthew Ahrens return (DCMD_ERR); 220288b7b0f2SMatthew Ahrens } 220388b7b0f2SMatthew Ahrens 220488b7b0f2SMatthew Ahrens if (mdb_getopts(argc, argv, 220588b7b0f2SMatthew Ahrens 'v', MDB_OPT_SETBITS, TRUE, &verbose, 220688b7b0f2SMatthew Ahrens NULL) != argc) 220788b7b0f2SMatthew Ahrens return (DCMD_USAGE); 220888b7b0f2SMatthew Ahrens 220988b7b0f2SMatthew Ahrens if (!(flags & DCMD_ADDRSPEC)) 221088b7b0f2SMatthew Ahrens return (DCMD_USAGE); 221188b7b0f2SMatthew Ahrens 221228e4da25SMatthew Ahrens if (GETMEMB(addr, "spa", spa_dsl_pool, addr) || 221328e4da25SMatthew Ahrens GETMEMB(addr, "dsl_pool", dp_blkstats, addr) || 221488b7b0f2SMatthew Ahrens mdb_vread(&stats, sizeof (zfs_all_blkstats_t), addr) == -1) { 221588b7b0f2SMatthew Ahrens mdb_warn("failed to read data at %p;", addr); 221688b7b0f2SMatthew Ahrens mdb_printf("maybe no stats? run \"zpool scrub\" first."); 221788b7b0f2SMatthew Ahrens return (DCMD_ERR); 221888b7b0f2SMatthew Ahrens } 221988b7b0f2SMatthew Ahrens 2220ad135b5dSChristopher Siden tzb = &stats.zab_type[DN_MAX_LEVELS][DMU_OT_TOTAL]; 222188b7b0f2SMatthew Ahrens if (tzb->zb_gangs != 0) { 222288b7b0f2SMatthew Ahrens mdb_printf("Ganged blocks: %llu\n", 222388b7b0f2SMatthew Ahrens (longlong_t)tzb->zb_gangs); 222488b7b0f2SMatthew Ahrens } 222588b7b0f2SMatthew Ahrens 222688b7b0f2SMatthew Ahrens ditto = tzb->zb_ditto_2_of_2_samevdev + tzb->zb_ditto_2_of_3_samevdev + 222788b7b0f2SMatthew Ahrens tzb->zb_ditto_3_of_3_samevdev; 222888b7b0f2SMatthew Ahrens if (ditto != 0) { 222988b7b0f2SMatthew Ahrens mdb_printf("Dittoed blocks on same vdev: %llu\n", 223088b7b0f2SMatthew Ahrens (longlong_t)ditto); 223188b7b0f2SMatthew Ahrens } 223288b7b0f2SMatthew Ahrens 223388b7b0f2SMatthew Ahrens mdb_printf("\nBlocks\tLSIZE\tPSIZE\tASIZE" 223488b7b0f2SMatthew Ahrens "\t avg\t comp\t%%Total\tType\n"); 223588b7b0f2SMatthew Ahrens 2236ad135b5dSChristopher Siden for (t = 0; t <= DMU_OT_TOTAL; t++) { 223788b7b0f2SMatthew Ahrens char csize[NICENUM_BUFLEN], lsize[NICENUM_BUFLEN]; 223888b7b0f2SMatthew Ahrens char psize[NICENUM_BUFLEN], asize[NICENUM_BUFLEN]; 223988b7b0f2SMatthew Ahrens char avg[NICENUM_BUFLEN]; 224088b7b0f2SMatthew Ahrens char comp[NICENUM_BUFLEN], pct[NICENUM_BUFLEN]; 224188b7b0f2SMatthew Ahrens char typename[64]; 224288b7b0f2SMatthew Ahrens int l; 224388b7b0f2SMatthew Ahrens 224488b7b0f2SMatthew Ahrens 224588b7b0f2SMatthew Ahrens if (t == DMU_OT_DEFERRED) 224688b7b0f2SMatthew Ahrens strcpy(typename, "deferred free"); 2247ad135b5dSChristopher Siden else if (t == DMU_OT_OTHER) 2248ad135b5dSChristopher Siden strcpy(typename, "other"); 224988b7b0f2SMatthew Ahrens else if (t == DMU_OT_TOTAL) 225088b7b0f2SMatthew Ahrens strcpy(typename, "Total"); 225188b7b0f2SMatthew Ahrens else if (mdb_readstr(typename, sizeof (typename), 225288b7b0f2SMatthew Ahrens (uintptr_t)dmu_ot[t].ot_name) == -1) { 225388b7b0f2SMatthew Ahrens mdb_warn("failed to read type name"); 225488b7b0f2SMatthew Ahrens return (DCMD_ERR); 225588b7b0f2SMatthew Ahrens } 225688b7b0f2SMatthew Ahrens 225788b7b0f2SMatthew Ahrens if (stats.zab_type[DN_MAX_LEVELS][t].zb_asize == 0) 225888b7b0f2SMatthew Ahrens continue; 225988b7b0f2SMatthew Ahrens 226088b7b0f2SMatthew Ahrens for (l = -1; l < DN_MAX_LEVELS; l++) { 226188b7b0f2SMatthew Ahrens int level = (l == -1 ? DN_MAX_LEVELS : l); 226288b7b0f2SMatthew Ahrens zfs_blkstat_t *zb = &stats.zab_type[level][t]; 226388b7b0f2SMatthew Ahrens 226488b7b0f2SMatthew Ahrens if (zb->zb_asize == 0) 226588b7b0f2SMatthew Ahrens continue; 226688b7b0f2SMatthew Ahrens 226788b7b0f2SMatthew Ahrens /* 226888b7b0f2SMatthew Ahrens * Don't print each level unless requested. 226988b7b0f2SMatthew Ahrens */ 227088b7b0f2SMatthew Ahrens if (!verbose && level != DN_MAX_LEVELS) 227188b7b0f2SMatthew Ahrens continue; 227288b7b0f2SMatthew Ahrens 227388b7b0f2SMatthew Ahrens /* 227488b7b0f2SMatthew Ahrens * If all the space is level 0, don't print the 227588b7b0f2SMatthew Ahrens * level 0 separately. 227688b7b0f2SMatthew Ahrens */ 227788b7b0f2SMatthew Ahrens if (level == 0 && zb->zb_asize == 227888b7b0f2SMatthew Ahrens stats.zab_type[DN_MAX_LEVELS][t].zb_asize) 227988b7b0f2SMatthew Ahrens continue; 228088b7b0f2SMatthew Ahrens 228188b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_count, csize); 228288b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_lsize, lsize); 228388b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_psize, psize); 228488b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_asize, asize); 228588b7b0f2SMatthew Ahrens mdb_nicenum(zb->zb_asize / zb->zb_count, avg); 2286ff64c0f7SMatthew Ahrens (void) snprintfrac(comp, NICENUM_BUFLEN, 2287ff64c0f7SMatthew Ahrens zb->zb_lsize, zb->zb_psize, 2); 2288ff64c0f7SMatthew Ahrens (void) snprintfrac(pct, NICENUM_BUFLEN, 2289ff64c0f7SMatthew Ahrens 100 * zb->zb_asize, tzb->zb_asize, 2); 229088b7b0f2SMatthew Ahrens 229188b7b0f2SMatthew Ahrens mdb_printf("%6s\t%5s\t%5s\t%5s\t%5s" 229288b7b0f2SMatthew Ahrens "\t%5s\t%6s\t", 229388b7b0f2SMatthew Ahrens csize, lsize, psize, asize, avg, comp, pct); 229488b7b0f2SMatthew Ahrens 229588b7b0f2SMatthew Ahrens if (level == DN_MAX_LEVELS) 229688b7b0f2SMatthew Ahrens mdb_printf("%s\n", typename); 229788b7b0f2SMatthew Ahrens else 229888b7b0f2SMatthew Ahrens mdb_printf(" L%d %s\n", 229988b7b0f2SMatthew Ahrens level, typename); 230088b7b0f2SMatthew Ahrens } 230188b7b0f2SMatthew Ahrens } 230288b7b0f2SMatthew Ahrens 230388b7b0f2SMatthew Ahrens return (DCMD_OK); 230488b7b0f2SMatthew Ahrens } 230588b7b0f2SMatthew Ahrens 2306d5ee8a13SMatthew Ahrens typedef struct mdb_reference { 2307d5ee8a13SMatthew Ahrens uintptr_t ref_holder; 2308d5ee8a13SMatthew Ahrens uintptr_t ref_removed; 2309d5ee8a13SMatthew Ahrens uint64_t ref_number; 2310d5ee8a13SMatthew Ahrens } mdb_reference_t; 2311d5ee8a13SMatthew Ahrens 23129966ca11SMatthew Ahrens /* ARGSUSED */ 23139966ca11SMatthew Ahrens static int 23149966ca11SMatthew Ahrens reference_cb(uintptr_t addr, const void *ignored, void *arg) 23159966ca11SMatthew Ahrens { 2316d5ee8a13SMatthew Ahrens mdb_reference_t ref; 23173f9d6ad7SLin Ling boolean_t holder_is_str = B_FALSE; 23189966ca11SMatthew Ahrens char holder_str[128]; 23199966ca11SMatthew Ahrens boolean_t removed = (boolean_t)arg; 23209966ca11SMatthew Ahrens 2321d5ee8a13SMatthew Ahrens if (mdb_ctf_vread(&ref, "reference_t", "mdb_reference_t", addr, 2322d5ee8a13SMatthew Ahrens 0) == -1) 2323d5ee8a13SMatthew Ahrens return (DCMD_ERR); 23249966ca11SMatthew Ahrens 2325d5ee8a13SMatthew Ahrens if (mdb_readstr(holder_str, sizeof (holder_str), 2326d5ee8a13SMatthew Ahrens ref.ref_holder) != -1) 23273f9d6ad7SLin Ling holder_is_str = strisprint(holder_str); 23289966ca11SMatthew Ahrens 23299966ca11SMatthew Ahrens if (removed) 23309966ca11SMatthew Ahrens mdb_printf("removed "); 23319966ca11SMatthew Ahrens mdb_printf("reference "); 2332d5ee8a13SMatthew Ahrens if (ref.ref_number != 1) 2333d5ee8a13SMatthew Ahrens mdb_printf("with count=%llu ", ref.ref_number); 2334d5ee8a13SMatthew Ahrens mdb_printf("with tag %lx", ref.ref_holder); 23359966ca11SMatthew Ahrens if (holder_is_str) 23369966ca11SMatthew Ahrens mdb_printf(" \"%s\"", holder_str); 23379966ca11SMatthew Ahrens mdb_printf(", held at:\n"); 23389966ca11SMatthew Ahrens 23399966ca11SMatthew Ahrens (void) mdb_call_dcmd("whatis", addr, DCMD_ADDRSPEC, 0, NULL); 23409966ca11SMatthew Ahrens 23419966ca11SMatthew Ahrens if (removed) { 23429966ca11SMatthew Ahrens mdb_printf("removed at:\n"); 2343d5ee8a13SMatthew Ahrens (void) mdb_call_dcmd("whatis", ref.ref_removed, 23449966ca11SMatthew Ahrens DCMD_ADDRSPEC, 0, NULL); 23459966ca11SMatthew Ahrens } 23469966ca11SMatthew Ahrens 23479966ca11SMatthew Ahrens mdb_printf("\n"); 23489966ca11SMatthew Ahrens 23499966ca11SMatthew Ahrens return (WALK_NEXT); 23509966ca11SMatthew Ahrens } 23519966ca11SMatthew Ahrens 2352d5ee8a13SMatthew Ahrens typedef struct mdb_refcount { 2353d5ee8a13SMatthew Ahrens uint64_t rc_count; 2354d5ee8a13SMatthew Ahrens } mdb_refcount_t; 2355d5ee8a13SMatthew Ahrens 2356d5ee8a13SMatthew Ahrens typedef struct mdb_refcount_removed { 2357d5ee8a13SMatthew Ahrens uint64_t rc_removed_count; 2358d5ee8a13SMatthew Ahrens } mdb_refcount_removed_t; 2359d5ee8a13SMatthew Ahrens 2360d5ee8a13SMatthew Ahrens typedef struct mdb_refcount_tracked { 2361d5ee8a13SMatthew Ahrens boolean_t rc_tracked; 2362d5ee8a13SMatthew Ahrens } mdb_refcount_tracked_t; 2363d5ee8a13SMatthew Ahrens 23649966ca11SMatthew Ahrens /* ARGSUSED */ 23659966ca11SMatthew Ahrens static int 23669966ca11SMatthew Ahrens refcount(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 23679966ca11SMatthew Ahrens { 2368d5ee8a13SMatthew Ahrens mdb_refcount_t rc; 2369d5ee8a13SMatthew Ahrens mdb_refcount_removed_t rcr; 2370d5ee8a13SMatthew Ahrens mdb_refcount_tracked_t rct; 2371d5ee8a13SMatthew Ahrens int off; 237228e4da25SMatthew Ahrens boolean_t released = B_FALSE; 23739966ca11SMatthew Ahrens 23749966ca11SMatthew Ahrens if (!(flags & DCMD_ADDRSPEC)) 23759966ca11SMatthew Ahrens return (DCMD_USAGE); 23769966ca11SMatthew Ahrens 237728e4da25SMatthew Ahrens if (mdb_getopts(argc, argv, 237828e4da25SMatthew Ahrens 'r', MDB_OPT_SETBITS, B_TRUE, &released, 237928e4da25SMatthew Ahrens NULL) != argc) 238028e4da25SMatthew Ahrens return (DCMD_USAGE); 238128e4da25SMatthew Ahrens 2382d5ee8a13SMatthew Ahrens if (mdb_ctf_vread(&rc, "refcount_t", "mdb_refcount_t", addr, 2383d5ee8a13SMatthew Ahrens 0) == -1) 23849966ca11SMatthew Ahrens return (DCMD_ERR); 23859966ca11SMatthew Ahrens 2386d5ee8a13SMatthew Ahrens if (mdb_ctf_vread(&rcr, "refcount_t", "mdb_refcount_removed_t", addr, 2387d5ee8a13SMatthew Ahrens MDB_CTF_VREAD_QUIET) == -1) { 2388d5ee8a13SMatthew Ahrens mdb_printf("refcount_t at %p has %llu holds (untracked)\n", 2389d5ee8a13SMatthew Ahrens addr, (longlong_t)rc.rc_count); 239028e4da25SMatthew Ahrens return (DCMD_OK); 239128e4da25SMatthew Ahrens } 239228e4da25SMatthew Ahrens 2393d5ee8a13SMatthew Ahrens if (mdb_ctf_vread(&rct, "refcount_t", "mdb_refcount_tracked_t", addr, 2394d5ee8a13SMatthew Ahrens MDB_CTF_VREAD_QUIET) == -1) { 2395d5ee8a13SMatthew Ahrens /* If this is an old target, it might be tracked. */ 2396d5ee8a13SMatthew Ahrens rct.rc_tracked = B_TRUE; 2397d5ee8a13SMatthew Ahrens } 2398d5ee8a13SMatthew Ahrens 23999966ca11SMatthew Ahrens mdb_printf("refcount_t at %p has %llu current holds, " 24009966ca11SMatthew Ahrens "%llu recently released holds\n", 2401d5ee8a13SMatthew Ahrens addr, (longlong_t)rc.rc_count, (longlong_t)rcr.rc_removed_count); 24029966ca11SMatthew Ahrens 2403d5ee8a13SMatthew Ahrens if (rct.rc_tracked && rc.rc_count > 0) 24049966ca11SMatthew Ahrens mdb_printf("current holds:\n"); 2405d5ee8a13SMatthew Ahrens off = mdb_ctf_offsetof_by_name("refcount_t", "rc_list"); 2406d5ee8a13SMatthew Ahrens if (off == -1) 24079966ca11SMatthew Ahrens return (DCMD_ERR); 2408d5ee8a13SMatthew Ahrens mdb_pwalk("list", reference_cb, (void*)B_FALSE, addr + off); 2409d5ee8a13SMatthew Ahrens 2410d5ee8a13SMatthew Ahrens if (released && rcr.rc_removed_count > 0) { 2411d5ee8a13SMatthew Ahrens mdb_printf("released holds:\n"); 24129966ca11SMatthew Ahrens 2413d5ee8a13SMatthew Ahrens off = mdb_ctf_offsetof_by_name("refcount_t", "rc_removed"); 2414d5ee8a13SMatthew Ahrens if (off == -1) 241528e4da25SMatthew Ahrens return (DCMD_ERR); 2416d5ee8a13SMatthew Ahrens mdb_pwalk("list", reference_cb, (void*)B_FALSE, addr + off); 241728e4da25SMatthew Ahrens } 24189966ca11SMatthew Ahrens 24199966ca11SMatthew Ahrens return (DCMD_OK); 24209966ca11SMatthew Ahrens } 24219966ca11SMatthew Ahrens 24220a586ceaSMark Shellenbaum /* ARGSUSED */ 24230a586ceaSMark Shellenbaum static int 24240a586ceaSMark Shellenbaum sa_attr_table(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 24250a586ceaSMark Shellenbaum { 24260a586ceaSMark Shellenbaum sa_attr_table_t *table; 24270a586ceaSMark Shellenbaum sa_os_t sa_os; 24280a586ceaSMark Shellenbaum char *name; 24290a586ceaSMark Shellenbaum int i; 24300a586ceaSMark Shellenbaum 24310a586ceaSMark Shellenbaum if (mdb_vread(&sa_os, sizeof (sa_os_t), addr) == -1) { 24320a586ceaSMark Shellenbaum mdb_warn("failed to read sa_os at %p", addr); 24330a586ceaSMark Shellenbaum return (DCMD_ERR); 24340a586ceaSMark Shellenbaum } 24350a586ceaSMark Shellenbaum 24360a586ceaSMark Shellenbaum table = mdb_alloc(sizeof (sa_attr_table_t) * sa_os.sa_num_attrs, 24370a586ceaSMark Shellenbaum UM_SLEEP | UM_GC); 24380a586ceaSMark Shellenbaum name = mdb_alloc(MAXPATHLEN, UM_SLEEP | UM_GC); 24390a586ceaSMark Shellenbaum 24400a586ceaSMark Shellenbaum if (mdb_vread(table, sizeof (sa_attr_table_t) * sa_os.sa_num_attrs, 24410a586ceaSMark Shellenbaum (uintptr_t)sa_os.sa_attr_table) == -1) { 24420a586ceaSMark Shellenbaum mdb_warn("failed to read sa_os at %p", addr); 24430a586ceaSMark Shellenbaum return (DCMD_ERR); 24440a586ceaSMark Shellenbaum } 24450a586ceaSMark Shellenbaum 24460a586ceaSMark Shellenbaum mdb_printf("%<u>%-10s %-10s %-10s %-10s %s%</u>\n", 24470a586ceaSMark Shellenbaum "ATTR ID", "REGISTERED", "LENGTH", "BSWAP", "NAME"); 24480a586ceaSMark Shellenbaum for (i = 0; i != sa_os.sa_num_attrs; i++) { 24490a586ceaSMark Shellenbaum mdb_readstr(name, MAXPATHLEN, (uintptr_t)table[i].sa_name); 24500a586ceaSMark Shellenbaum mdb_printf("%5x %8x %8x %8x %-s\n", 24510a586ceaSMark Shellenbaum (int)table[i].sa_attr, (int)table[i].sa_registered, 24520a586ceaSMark Shellenbaum (int)table[i].sa_length, table[i].sa_byteswap, name); 24530a586ceaSMark Shellenbaum } 24540a586ceaSMark Shellenbaum 24550a586ceaSMark Shellenbaum return (DCMD_OK); 24560a586ceaSMark Shellenbaum } 24570a586ceaSMark Shellenbaum 24580a586ceaSMark Shellenbaum static int 24590a586ceaSMark Shellenbaum sa_get_off_table(uintptr_t addr, uint32_t **off_tab, int attr_count) 24600a586ceaSMark Shellenbaum { 24610a586ceaSMark Shellenbaum uintptr_t idx_table; 24620a586ceaSMark Shellenbaum 246328e4da25SMatthew Ahrens if (GETMEMB(addr, "sa_idx_tab", sa_idx_tab, idx_table)) { 24640a586ceaSMark Shellenbaum mdb_printf("can't find offset table in sa_idx_tab\n"); 24650a586ceaSMark Shellenbaum return (-1); 24660a586ceaSMark Shellenbaum } 24670a586ceaSMark Shellenbaum 24680a586ceaSMark Shellenbaum *off_tab = mdb_alloc(attr_count * sizeof (uint32_t), 24690a586ceaSMark Shellenbaum UM_SLEEP | UM_GC); 24700a586ceaSMark Shellenbaum 24710a586ceaSMark Shellenbaum if (mdb_vread(*off_tab, 24720a586ceaSMark Shellenbaum attr_count * sizeof (uint32_t), idx_table) == -1) { 24730a586ceaSMark Shellenbaum mdb_warn("failed to attribute offset table %p", idx_table); 24740a586ceaSMark Shellenbaum return (-1); 24750a586ceaSMark Shellenbaum } 24760a586ceaSMark Shellenbaum 24770a586ceaSMark Shellenbaum return (DCMD_OK); 24780a586ceaSMark Shellenbaum } 24790a586ceaSMark Shellenbaum 24800a586ceaSMark Shellenbaum /*ARGSUSED*/ 24810a586ceaSMark Shellenbaum static int 24820a586ceaSMark Shellenbaum sa_attr_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 24830a586ceaSMark Shellenbaum { 24840a586ceaSMark Shellenbaum uint32_t *offset_tab; 24850a586ceaSMark Shellenbaum int attr_count; 24860a586ceaSMark Shellenbaum uint64_t attr_id; 24870a586ceaSMark Shellenbaum uintptr_t attr_addr; 24880a586ceaSMark Shellenbaum uintptr_t bonus_tab, spill_tab; 24890a586ceaSMark Shellenbaum uintptr_t db_bonus, db_spill; 24900a586ceaSMark Shellenbaum uintptr_t os, os_sa; 24910a586ceaSMark Shellenbaum uintptr_t db_data; 24920a586ceaSMark Shellenbaum 24930a586ceaSMark Shellenbaum if (argc != 1) 24940a586ceaSMark Shellenbaum return (DCMD_USAGE); 24950a586ceaSMark Shellenbaum 24960a586ceaSMark Shellenbaum if (argv[0].a_type == MDB_TYPE_STRING) 24970a586ceaSMark Shellenbaum attr_id = mdb_strtoull(argv[0].a_un.a_str); 24980a586ceaSMark Shellenbaum else 24990a586ceaSMark Shellenbaum return (DCMD_USAGE); 25000a586ceaSMark Shellenbaum 250128e4da25SMatthew Ahrens if (GETMEMB(addr, "sa_handle", sa_bonus_tab, bonus_tab) || 250228e4da25SMatthew Ahrens GETMEMB(addr, "sa_handle", sa_spill_tab, spill_tab) || 250328e4da25SMatthew Ahrens GETMEMB(addr, "sa_handle", sa_os, os) || 250428e4da25SMatthew Ahrens GETMEMB(addr, "sa_handle", sa_bonus, db_bonus) || 250528e4da25SMatthew Ahrens GETMEMB(addr, "sa_handle", sa_spill, db_spill)) { 25060a586ceaSMark Shellenbaum mdb_printf("Can't find necessary information in sa_handle " 25070a586ceaSMark Shellenbaum "in sa_handle\n"); 25080a586ceaSMark Shellenbaum return (DCMD_ERR); 25090a586ceaSMark Shellenbaum } 25100a586ceaSMark Shellenbaum 251128e4da25SMatthew Ahrens if (GETMEMB(os, "objset", os_sa, os_sa)) { 25120a586ceaSMark Shellenbaum mdb_printf("Can't find os_sa in objset\n"); 25130a586ceaSMark Shellenbaum return (DCMD_ERR); 25140a586ceaSMark Shellenbaum } 25150a586ceaSMark Shellenbaum 251628e4da25SMatthew Ahrens if (GETMEMB(os_sa, "sa_os", sa_num_attrs, attr_count)) { 25170a586ceaSMark Shellenbaum mdb_printf("Can't find sa_num_attrs\n"); 25180a586ceaSMark Shellenbaum return (DCMD_ERR); 25190a586ceaSMark Shellenbaum } 25200a586ceaSMark Shellenbaum 25210a586ceaSMark Shellenbaum if (attr_id > attr_count) { 25220a586ceaSMark Shellenbaum mdb_printf("attribute id number is out of range\n"); 25230a586ceaSMark Shellenbaum return (DCMD_ERR); 25240a586ceaSMark Shellenbaum } 25250a586ceaSMark Shellenbaum 25260a586ceaSMark Shellenbaum if (bonus_tab) { 25270a586ceaSMark Shellenbaum if (sa_get_off_table(bonus_tab, &offset_tab, 25280a586ceaSMark Shellenbaum attr_count) == -1) { 25290a586ceaSMark Shellenbaum return (DCMD_ERR); 25300a586ceaSMark Shellenbaum } 25310a586ceaSMark Shellenbaum 253228e4da25SMatthew Ahrens if (GETMEMB(db_bonus, "dmu_buf", db_data, db_data)) { 25330a586ceaSMark Shellenbaum mdb_printf("can't find db_data in bonus dbuf\n"); 25340a586ceaSMark Shellenbaum return (DCMD_ERR); 25350a586ceaSMark Shellenbaum } 25360a586ceaSMark Shellenbaum } 25370a586ceaSMark Shellenbaum 25380a586ceaSMark Shellenbaum if (bonus_tab && !TOC_ATTR_PRESENT(offset_tab[attr_id]) && 25390a586ceaSMark Shellenbaum spill_tab == NULL) { 25400a586ceaSMark Shellenbaum mdb_printf("Attribute does not exist\n"); 25410a586ceaSMark Shellenbaum return (DCMD_ERR); 25420a586ceaSMark Shellenbaum } else if (!TOC_ATTR_PRESENT(offset_tab[attr_id]) && spill_tab) { 25430a586ceaSMark Shellenbaum if (sa_get_off_table(spill_tab, &offset_tab, 25440a586ceaSMark Shellenbaum attr_count) == -1) { 25450a586ceaSMark Shellenbaum return (DCMD_ERR); 25460a586ceaSMark Shellenbaum } 254728e4da25SMatthew Ahrens if (GETMEMB(db_spill, "dmu_buf", db_data, db_data)) { 25480a586ceaSMark Shellenbaum mdb_printf("can't find db_data in spill dbuf\n"); 25490a586ceaSMark Shellenbaum return (DCMD_ERR); 25500a586ceaSMark Shellenbaum } 25510a586ceaSMark Shellenbaum if (!TOC_ATTR_PRESENT(offset_tab[attr_id])) { 25520a586ceaSMark Shellenbaum mdb_printf("Attribute does not exist\n"); 25530a586ceaSMark Shellenbaum return (DCMD_ERR); 25540a586ceaSMark Shellenbaum } 25550a586ceaSMark Shellenbaum } 25560a586ceaSMark Shellenbaum attr_addr = db_data + TOC_OFF(offset_tab[attr_id]); 25570a586ceaSMark Shellenbaum mdb_printf("%p\n", attr_addr); 25580a586ceaSMark Shellenbaum return (DCMD_OK); 25590a586ceaSMark Shellenbaum } 25600a586ceaSMark Shellenbaum 25610a586ceaSMark Shellenbaum /* ARGSUSED */ 25620a586ceaSMark Shellenbaum static int 25630a586ceaSMark Shellenbaum zfs_ace_print_common(uintptr_t addr, uint_t flags, 25640a586ceaSMark Shellenbaum uint64_t id, uint32_t access_mask, uint16_t ace_flags, 25650a586ceaSMark Shellenbaum uint16_t ace_type, int verbose) 25660a586ceaSMark Shellenbaum { 25670a586ceaSMark Shellenbaum if (DCMD_HDRSPEC(flags) && !verbose) 25680a586ceaSMark Shellenbaum mdb_printf("%<u>%-?s %-8s %-8s %-8s %s%</u>\n", 25690a586ceaSMark Shellenbaum "ADDR", "FLAGS", "MASK", "TYPE", "ID"); 25700a586ceaSMark Shellenbaum 25710a586ceaSMark Shellenbaum if (!verbose) { 25720a586ceaSMark Shellenbaum mdb_printf("%0?p %-8x %-8x %-8x %-llx\n", addr, 25730a586ceaSMark Shellenbaum ace_flags, access_mask, ace_type, id); 25740a586ceaSMark Shellenbaum return (DCMD_OK); 25750a586ceaSMark Shellenbaum } 25760a586ceaSMark Shellenbaum 25770a586ceaSMark Shellenbaum switch (ace_flags & ACE_TYPE_FLAGS) { 25780a586ceaSMark Shellenbaum case ACE_OWNER: 25790a586ceaSMark Shellenbaum mdb_printf("owner@:"); 25800a586ceaSMark Shellenbaum break; 25810a586ceaSMark Shellenbaum case (ACE_IDENTIFIER_GROUP | ACE_GROUP): 25820a586ceaSMark Shellenbaum mdb_printf("group@:"); 25830a586ceaSMark Shellenbaum break; 25840a586ceaSMark Shellenbaum case ACE_EVERYONE: 25850a586ceaSMark Shellenbaum mdb_printf("everyone@:"); 25860a586ceaSMark Shellenbaum break; 25870a586ceaSMark Shellenbaum case ACE_IDENTIFIER_GROUP: 25880a586ceaSMark Shellenbaum mdb_printf("group:%llx:", (u_longlong_t)id); 25890a586ceaSMark Shellenbaum break; 25900a586ceaSMark Shellenbaum case 0: /* User entry */ 25910a586ceaSMark Shellenbaum mdb_printf("user:%llx:", (u_longlong_t)id); 25920a586ceaSMark Shellenbaum break; 25930a586ceaSMark Shellenbaum } 25940a586ceaSMark Shellenbaum 25950a586ceaSMark Shellenbaum /* print out permission mask */ 25960a586ceaSMark Shellenbaum if (access_mask & ACE_READ_DATA) 25970a586ceaSMark Shellenbaum mdb_printf("r"); 25980a586ceaSMark Shellenbaum else 25990a586ceaSMark Shellenbaum mdb_printf("-"); 26000a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_DATA) 26010a586ceaSMark Shellenbaum mdb_printf("w"); 26020a586ceaSMark Shellenbaum else 26030a586ceaSMark Shellenbaum mdb_printf("-"); 26040a586ceaSMark Shellenbaum if (access_mask & ACE_EXECUTE) 26050a586ceaSMark Shellenbaum mdb_printf("x"); 26060a586ceaSMark Shellenbaum else 26070a586ceaSMark Shellenbaum mdb_printf("-"); 26080a586ceaSMark Shellenbaum if (access_mask & ACE_APPEND_DATA) 26090a586ceaSMark Shellenbaum mdb_printf("p"); 26100a586ceaSMark Shellenbaum else 26110a586ceaSMark Shellenbaum mdb_printf("-"); 26120a586ceaSMark Shellenbaum if (access_mask & ACE_DELETE) 26130a586ceaSMark Shellenbaum mdb_printf("d"); 26140a586ceaSMark Shellenbaum else 26150a586ceaSMark Shellenbaum mdb_printf("-"); 26160a586ceaSMark Shellenbaum if (access_mask & ACE_DELETE_CHILD) 26170a586ceaSMark Shellenbaum mdb_printf("D"); 26180a586ceaSMark Shellenbaum else 26190a586ceaSMark Shellenbaum mdb_printf("-"); 26200a586ceaSMark Shellenbaum if (access_mask & ACE_READ_ATTRIBUTES) 26210a586ceaSMark Shellenbaum mdb_printf("a"); 26220a586ceaSMark Shellenbaum else 26230a586ceaSMark Shellenbaum mdb_printf("-"); 26240a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_ATTRIBUTES) 26250a586ceaSMark Shellenbaum mdb_printf("A"); 26260a586ceaSMark Shellenbaum else 26270a586ceaSMark Shellenbaum mdb_printf("-"); 26280a586ceaSMark Shellenbaum if (access_mask & ACE_READ_NAMED_ATTRS) 26290a586ceaSMark Shellenbaum mdb_printf("R"); 26300a586ceaSMark Shellenbaum else 26310a586ceaSMark Shellenbaum mdb_printf("-"); 26320a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_NAMED_ATTRS) 26330a586ceaSMark Shellenbaum mdb_printf("W"); 26340a586ceaSMark Shellenbaum else 26350a586ceaSMark Shellenbaum mdb_printf("-"); 26360a586ceaSMark Shellenbaum if (access_mask & ACE_READ_ACL) 26370a586ceaSMark Shellenbaum mdb_printf("c"); 26380a586ceaSMark Shellenbaum else 26390a586ceaSMark Shellenbaum mdb_printf("-"); 26400a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_ACL) 26410a586ceaSMark Shellenbaum mdb_printf("C"); 26420a586ceaSMark Shellenbaum else 26430a586ceaSMark Shellenbaum mdb_printf("-"); 26440a586ceaSMark Shellenbaum if (access_mask & ACE_WRITE_OWNER) 26450a586ceaSMark Shellenbaum mdb_printf("o"); 26460a586ceaSMark Shellenbaum else 26470a586ceaSMark Shellenbaum mdb_printf("-"); 26480a586ceaSMark Shellenbaum if (access_mask & ACE_SYNCHRONIZE) 26490a586ceaSMark Shellenbaum mdb_printf("s"); 26500a586ceaSMark Shellenbaum else 26510a586ceaSMark Shellenbaum mdb_printf("-"); 26520a586ceaSMark Shellenbaum 26530a586ceaSMark Shellenbaum mdb_printf(":"); 26540a586ceaSMark Shellenbaum 26550a586ceaSMark Shellenbaum /* Print out inheritance flags */ 26560a586ceaSMark Shellenbaum if (ace_flags & ACE_FILE_INHERIT_ACE) 26570a586ceaSMark Shellenbaum mdb_printf("f"); 26580a586ceaSMark Shellenbaum else 26590a586ceaSMark Shellenbaum mdb_printf("-"); 26600a586ceaSMark Shellenbaum if (ace_flags & ACE_DIRECTORY_INHERIT_ACE) 26610a586ceaSMark Shellenbaum mdb_printf("d"); 26620a586ceaSMark Shellenbaum else 26630a586ceaSMark Shellenbaum mdb_printf("-"); 26640a586ceaSMark Shellenbaum if (ace_flags & ACE_INHERIT_ONLY_ACE) 26650a586ceaSMark Shellenbaum mdb_printf("i"); 26660a586ceaSMark Shellenbaum else 26670a586ceaSMark Shellenbaum mdb_printf("-"); 26680a586ceaSMark Shellenbaum if (ace_flags & ACE_NO_PROPAGATE_INHERIT_ACE) 26690a586ceaSMark Shellenbaum mdb_printf("n"); 26700a586ceaSMark Shellenbaum else 26710a586ceaSMark Shellenbaum mdb_printf("-"); 26720a586ceaSMark Shellenbaum if (ace_flags & ACE_SUCCESSFUL_ACCESS_ACE_FLAG) 26730a586ceaSMark Shellenbaum mdb_printf("S"); 26740a586ceaSMark Shellenbaum else 26750a586ceaSMark Shellenbaum mdb_printf("-"); 26760a586ceaSMark Shellenbaum if (ace_flags & ACE_FAILED_ACCESS_ACE_FLAG) 26770a586ceaSMark Shellenbaum mdb_printf("F"); 26780a586ceaSMark Shellenbaum else 26790a586ceaSMark Shellenbaum mdb_printf("-"); 26800a586ceaSMark Shellenbaum if (ace_flags & ACE_INHERITED_ACE) 26810a586ceaSMark Shellenbaum mdb_printf("I"); 26820a586ceaSMark Shellenbaum else 26830a586ceaSMark Shellenbaum mdb_printf("-"); 26840a586ceaSMark Shellenbaum 26850a586ceaSMark Shellenbaum switch (ace_type) { 26860a586ceaSMark Shellenbaum case ACE_ACCESS_ALLOWED_ACE_TYPE: 26870a586ceaSMark Shellenbaum mdb_printf(":allow\n"); 26880a586ceaSMark Shellenbaum break; 26890a586ceaSMark Shellenbaum case ACE_ACCESS_DENIED_ACE_TYPE: 26900a586ceaSMark Shellenbaum mdb_printf(":deny\n"); 26910a586ceaSMark Shellenbaum break; 26920a586ceaSMark Shellenbaum case ACE_SYSTEM_AUDIT_ACE_TYPE: 26930a586ceaSMark Shellenbaum mdb_printf(":audit\n"); 26940a586ceaSMark Shellenbaum break; 26950a586ceaSMark Shellenbaum case ACE_SYSTEM_ALARM_ACE_TYPE: 26960a586ceaSMark Shellenbaum mdb_printf(":alarm\n"); 26970a586ceaSMark Shellenbaum break; 26980a586ceaSMark Shellenbaum default: 26990a586ceaSMark Shellenbaum mdb_printf(":?\n"); 27000a586ceaSMark Shellenbaum } 27010a586ceaSMark Shellenbaum return (DCMD_OK); 27020a586ceaSMark Shellenbaum } 27030a586ceaSMark Shellenbaum 27040a586ceaSMark Shellenbaum /* ARGSUSED */ 27050a586ceaSMark Shellenbaum static int 27060a586ceaSMark Shellenbaum zfs_ace_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 27070a586ceaSMark Shellenbaum { 27080a586ceaSMark Shellenbaum zfs_ace_t zace; 27090a586ceaSMark Shellenbaum int verbose = FALSE; 27100a586ceaSMark Shellenbaum uint64_t id; 27110a586ceaSMark Shellenbaum 27120a586ceaSMark Shellenbaum if (!(flags & DCMD_ADDRSPEC)) 27130a586ceaSMark Shellenbaum return (DCMD_USAGE); 27140a586ceaSMark Shellenbaum 27150a586ceaSMark Shellenbaum if (mdb_getopts(argc, argv, 27160a586ceaSMark Shellenbaum 'v', MDB_OPT_SETBITS, TRUE, &verbose, TRUE, NULL) != argc) 27170a586ceaSMark Shellenbaum return (DCMD_USAGE); 27180a586ceaSMark Shellenbaum 27190a586ceaSMark Shellenbaum if (mdb_vread(&zace, sizeof (zfs_ace_t), addr) == -1) { 27200a586ceaSMark Shellenbaum mdb_warn("failed to read zfs_ace_t"); 27210a586ceaSMark Shellenbaum return (DCMD_ERR); 27220a586ceaSMark Shellenbaum } 27230a586ceaSMark Shellenbaum 27240a586ceaSMark Shellenbaum if ((zace.z_hdr.z_flags & ACE_TYPE_FLAGS) == 0 || 27250a586ceaSMark Shellenbaum (zace.z_hdr.z_flags & ACE_TYPE_FLAGS) == ACE_IDENTIFIER_GROUP) 27260a586ceaSMark Shellenbaum id = zace.z_fuid; 27270a586ceaSMark Shellenbaum else 27280a586ceaSMark Shellenbaum id = -1; 27290a586ceaSMark Shellenbaum 27300a586ceaSMark Shellenbaum return (zfs_ace_print_common(addr, flags, id, zace.z_hdr.z_access_mask, 27310a586ceaSMark Shellenbaum zace.z_hdr.z_flags, zace.z_hdr.z_type, verbose)); 27320a586ceaSMark Shellenbaum } 27330a586ceaSMark Shellenbaum 27340a586ceaSMark Shellenbaum /* ARGSUSED */ 27350a586ceaSMark Shellenbaum static int 27360a586ceaSMark Shellenbaum zfs_ace0_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 27370a586ceaSMark Shellenbaum { 27380a586ceaSMark Shellenbaum ace_t ace; 27390a586ceaSMark Shellenbaum uint64_t id; 27400a586ceaSMark Shellenbaum int verbose = FALSE; 27410a586ceaSMark Shellenbaum 27420a586ceaSMark Shellenbaum if (!(flags & DCMD_ADDRSPEC)) 27430a586ceaSMark Shellenbaum return (DCMD_USAGE); 27440a586ceaSMark Shellenbaum 27450a586ceaSMark Shellenbaum if (mdb_getopts(argc, argv, 27460a586ceaSMark Shellenbaum 'v', MDB_OPT_SETBITS, TRUE, &verbose, TRUE, NULL) != argc) 27470a586ceaSMark Shellenbaum return (DCMD_USAGE); 27480a586ceaSMark Shellenbaum 27490a586ceaSMark Shellenbaum if (mdb_vread(&ace, sizeof (ace_t), addr) == -1) { 27500a586ceaSMark Shellenbaum mdb_warn("failed to read ace_t"); 27510a586ceaSMark Shellenbaum return (DCMD_ERR); 27520a586ceaSMark Shellenbaum } 27530a586ceaSMark Shellenbaum 27540a586ceaSMark Shellenbaum if ((ace.a_flags & ACE_TYPE_FLAGS) == 0 || 27550a586ceaSMark Shellenbaum (ace.a_flags & ACE_TYPE_FLAGS) == ACE_IDENTIFIER_GROUP) 27560a586ceaSMark Shellenbaum id = ace.a_who; 27570a586ceaSMark Shellenbaum else 27580a586ceaSMark Shellenbaum id = -1; 27590a586ceaSMark Shellenbaum 27600a586ceaSMark Shellenbaum return (zfs_ace_print_common(addr, flags, id, ace.a_access_mask, 27610a586ceaSMark Shellenbaum ace.a_flags, ace.a_type, verbose)); 27620a586ceaSMark Shellenbaum } 27630a586ceaSMark Shellenbaum 27640a586ceaSMark Shellenbaum typedef struct acl_dump_args { 27650a586ceaSMark Shellenbaum int a_argc; 27660a586ceaSMark Shellenbaum const mdb_arg_t *a_argv; 27670a586ceaSMark Shellenbaum uint16_t a_version; 27680a586ceaSMark Shellenbaum int a_flags; 27690a586ceaSMark Shellenbaum } acl_dump_args_t; 27700a586ceaSMark Shellenbaum 27710a586ceaSMark Shellenbaum /* ARGSUSED */ 27720a586ceaSMark Shellenbaum static int 27730a586ceaSMark Shellenbaum acl_aces_cb(uintptr_t addr, const void *unknown, void *arg) 27740a586ceaSMark Shellenbaum { 27750a586ceaSMark Shellenbaum acl_dump_args_t *acl_args = (acl_dump_args_t *)arg; 27760a586ceaSMark Shellenbaum 27770a586ceaSMark Shellenbaum if (acl_args->a_version == 1) { 27780a586ceaSMark Shellenbaum if (mdb_call_dcmd("zfs_ace", addr, 27790a586ceaSMark Shellenbaum DCMD_ADDRSPEC|acl_args->a_flags, acl_args->a_argc, 27800a586ceaSMark Shellenbaum acl_args->a_argv) != DCMD_OK) { 27810a586ceaSMark Shellenbaum return (WALK_ERR); 27820a586ceaSMark Shellenbaum } 27830a586ceaSMark Shellenbaum } else { 27840a586ceaSMark Shellenbaum if (mdb_call_dcmd("zfs_ace0", addr, 27850a586ceaSMark Shellenbaum DCMD_ADDRSPEC|acl_args->a_flags, acl_args->a_argc, 27860a586ceaSMark Shellenbaum acl_args->a_argv) != DCMD_OK) { 27870a586ceaSMark Shellenbaum return (WALK_ERR); 27880a586ceaSMark Shellenbaum } 27890a586ceaSMark Shellenbaum } 27900a586ceaSMark Shellenbaum acl_args->a_flags = DCMD_LOOP; 27910a586ceaSMark Shellenbaum return (WALK_NEXT); 27920a586ceaSMark Shellenbaum } 27930a586ceaSMark Shellenbaum 27940a586ceaSMark Shellenbaum /* ARGSUSED */ 27950a586ceaSMark Shellenbaum static int 27960a586ceaSMark Shellenbaum acl_cb(uintptr_t addr, const void *unknown, void *arg) 27970a586ceaSMark Shellenbaum { 27980a586ceaSMark Shellenbaum acl_dump_args_t *acl_args = (acl_dump_args_t *)arg; 27990a586ceaSMark Shellenbaum 28000a586ceaSMark Shellenbaum if (acl_args->a_version == 1) { 28010a586ceaSMark Shellenbaum if (mdb_pwalk("zfs_acl_node_aces", acl_aces_cb, 28020a586ceaSMark Shellenbaum arg, addr) != 0) { 28030a586ceaSMark Shellenbaum mdb_warn("can't walk ACEs"); 28040a586ceaSMark Shellenbaum return (DCMD_ERR); 28050a586ceaSMark Shellenbaum } 28060a586ceaSMark Shellenbaum } else { 28070a586ceaSMark Shellenbaum if (mdb_pwalk("zfs_acl_node_aces0", acl_aces_cb, 28080a586ceaSMark Shellenbaum arg, addr) != 0) { 28090a586ceaSMark Shellenbaum mdb_warn("can't walk ACEs"); 28100a586ceaSMark Shellenbaum return (DCMD_ERR); 28110a586ceaSMark Shellenbaum } 28120a586ceaSMark Shellenbaum } 28130a586ceaSMark Shellenbaum return (WALK_NEXT); 28140a586ceaSMark Shellenbaum } 28150a586ceaSMark Shellenbaum 28160a586ceaSMark Shellenbaum /* ARGSUSED */ 28170a586ceaSMark Shellenbaum static int 28180a586ceaSMark Shellenbaum zfs_acl_dump(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 28190a586ceaSMark Shellenbaum { 28200a586ceaSMark Shellenbaum zfs_acl_t zacl; 28210a586ceaSMark Shellenbaum int verbose = FALSE; 28220a586ceaSMark Shellenbaum acl_dump_args_t acl_args; 28230a586ceaSMark Shellenbaum 28240a586ceaSMark Shellenbaum if (!(flags & DCMD_ADDRSPEC)) 28250a586ceaSMark Shellenbaum return (DCMD_USAGE); 28260a586ceaSMark Shellenbaum 28270a586ceaSMark Shellenbaum if (mdb_getopts(argc, argv, 28280a586ceaSMark Shellenbaum 'v', MDB_OPT_SETBITS, TRUE, &verbose, TRUE, NULL) != argc) 28290a586ceaSMark Shellenbaum return (DCMD_USAGE); 28300a586ceaSMark Shellenbaum 28310a586ceaSMark Shellenbaum if (mdb_vread(&zacl, sizeof (zfs_acl_t), addr) == -1) { 28320a586ceaSMark Shellenbaum mdb_warn("failed to read zfs_acl_t"); 28330a586ceaSMark Shellenbaum return (DCMD_ERR); 28340a586ceaSMark Shellenbaum } 28350a586ceaSMark Shellenbaum 28360a586ceaSMark Shellenbaum acl_args.a_argc = argc; 28370a586ceaSMark Shellenbaum acl_args.a_argv = argv; 28380a586ceaSMark Shellenbaum acl_args.a_version = zacl.z_version; 28390a586ceaSMark Shellenbaum acl_args.a_flags = DCMD_LOOPFIRST; 28400a586ceaSMark Shellenbaum 28410a586ceaSMark Shellenbaum if (mdb_pwalk("zfs_acl_node", acl_cb, &acl_args, addr) != 0) { 28420a586ceaSMark Shellenbaum mdb_warn("can't walk ACL"); 28430a586ceaSMark Shellenbaum return (DCMD_ERR); 28440a586ceaSMark Shellenbaum } 28450a586ceaSMark Shellenbaum 28460a586ceaSMark Shellenbaum return (DCMD_OK); 28470a586ceaSMark Shellenbaum } 28480a586ceaSMark Shellenbaum 28490a586ceaSMark Shellenbaum /* ARGSUSED */ 28500a586ceaSMark Shellenbaum static int 28510a586ceaSMark Shellenbaum zfs_acl_node_walk_init(mdb_walk_state_t *wsp) 28520a586ceaSMark Shellenbaum { 28530a586ceaSMark Shellenbaum if (wsp->walk_addr == NULL) { 28540a586ceaSMark Shellenbaum mdb_warn("must supply address of zfs_acl_node_t\n"); 28550a586ceaSMark Shellenbaum return (WALK_ERR); 28560a586ceaSMark Shellenbaum } 28570a586ceaSMark Shellenbaum 285828e4da25SMatthew Ahrens wsp->walk_addr += 285928e4da25SMatthew Ahrens mdb_ctf_offsetof_by_name(ZFS_STRUCT "zfs_acl", "z_acl"); 28600a586ceaSMark Shellenbaum 28610a586ceaSMark Shellenbaum if (mdb_layered_walk("list", wsp) == -1) { 28620a586ceaSMark Shellenbaum mdb_warn("failed to walk 'list'\n"); 28630a586ceaSMark Shellenbaum return (WALK_ERR); 28640a586ceaSMark Shellenbaum } 28650a586ceaSMark Shellenbaum 28660a586ceaSMark Shellenbaum return (WALK_NEXT); 28670a586ceaSMark Shellenbaum } 28680a586ceaSMark Shellenbaum 28690a586ceaSMark Shellenbaum static int 28700a586ceaSMark Shellenbaum zfs_acl_node_walk_step(mdb_walk_state_t *wsp) 28710a586ceaSMark Shellenbaum { 28720a586ceaSMark Shellenbaum zfs_acl_node_t aclnode; 28730a586ceaSMark Shellenbaum 28740a586ceaSMark Shellenbaum if (mdb_vread(&aclnode, sizeof (zfs_acl_node_t), 28750a586ceaSMark Shellenbaum wsp->walk_addr) == -1) { 28760a586ceaSMark Shellenbaum mdb_warn("failed to read zfs_acl_node at %p", wsp->walk_addr); 28770a586ceaSMark Shellenbaum return (WALK_ERR); 28780a586ceaSMark Shellenbaum } 28790a586ceaSMark Shellenbaum 28800a586ceaSMark Shellenbaum return (wsp->walk_callback(wsp->walk_addr, &aclnode, wsp->walk_cbdata)); 28810a586ceaSMark Shellenbaum } 28820a586ceaSMark Shellenbaum 28830a586ceaSMark Shellenbaum typedef struct ace_walk_data { 28840a586ceaSMark Shellenbaum int ace_count; 28850a586ceaSMark Shellenbaum int ace_version; 28860a586ceaSMark Shellenbaum } ace_walk_data_t; 28870a586ceaSMark Shellenbaum 28880a586ceaSMark Shellenbaum static int 28890a586ceaSMark Shellenbaum zfs_aces_walk_init_common(mdb_walk_state_t *wsp, int version, 28900a586ceaSMark Shellenbaum int ace_count, uintptr_t ace_data) 28910a586ceaSMark Shellenbaum { 28920a586ceaSMark Shellenbaum ace_walk_data_t *ace_walk_data; 28930a586ceaSMark Shellenbaum 28940a586ceaSMark Shellenbaum if (wsp->walk_addr == NULL) { 28950a586ceaSMark Shellenbaum mdb_warn("must supply address of zfs_acl_node_t\n"); 28960a586ceaSMark Shellenbaum return (WALK_ERR); 28970a586ceaSMark Shellenbaum } 28980a586ceaSMark Shellenbaum 28990a586ceaSMark Shellenbaum ace_walk_data = mdb_alloc(sizeof (ace_walk_data_t), UM_SLEEP | UM_GC); 29000a586ceaSMark Shellenbaum 29010a586ceaSMark Shellenbaum ace_walk_data->ace_count = ace_count; 29020a586ceaSMark Shellenbaum ace_walk_data->ace_version = version; 29030a586ceaSMark Shellenbaum 29040a586ceaSMark Shellenbaum wsp->walk_addr = ace_data; 29050a586ceaSMark Shellenbaum wsp->walk_data = ace_walk_data; 29060a586ceaSMark Shellenbaum 29070a586ceaSMark Shellenbaum return (WALK_NEXT); 29080a586ceaSMark Shellenbaum } 29090a586ceaSMark Shellenbaum 29100a586ceaSMark Shellenbaum static int 29110a586ceaSMark Shellenbaum zfs_acl_node_aces_walk_init_common(mdb_walk_state_t *wsp, int version) 29120a586ceaSMark Shellenbaum { 29130a586ceaSMark Shellenbaum static int gotid; 29140a586ceaSMark Shellenbaum static mdb_ctf_id_t acl_id; 29150a586ceaSMark Shellenbaum int z_ace_count; 29160a586ceaSMark Shellenbaum uintptr_t z_acldata; 29170a586ceaSMark Shellenbaum 29180a586ceaSMark Shellenbaum if (!gotid) { 29190a586ceaSMark Shellenbaum if (mdb_ctf_lookup_by_name("struct zfs_acl_node", 29200a586ceaSMark Shellenbaum &acl_id) == -1) { 29210a586ceaSMark Shellenbaum mdb_warn("couldn't find struct zfs_acl_node"); 29220a586ceaSMark Shellenbaum return (DCMD_ERR); 29230a586ceaSMark Shellenbaum } 29240a586ceaSMark Shellenbaum gotid = TRUE; 29250a586ceaSMark Shellenbaum } 29260a586ceaSMark Shellenbaum 29270a586ceaSMark Shellenbaum if (GETMEMBID(wsp->walk_addr, &acl_id, z_ace_count, z_ace_count)) { 29280a586ceaSMark Shellenbaum return (DCMD_ERR); 29290a586ceaSMark Shellenbaum } 29300a586ceaSMark Shellenbaum if (GETMEMBID(wsp->walk_addr, &acl_id, z_acldata, z_acldata)) { 29310a586ceaSMark Shellenbaum return (DCMD_ERR); 29320a586ceaSMark Shellenbaum } 29330a586ceaSMark Shellenbaum 29340a586ceaSMark Shellenbaum return (zfs_aces_walk_init_common(wsp, version, 29350a586ceaSMark Shellenbaum z_ace_count, z_acldata)); 29360a586ceaSMark Shellenbaum } 29370a586ceaSMark Shellenbaum 29380a586ceaSMark Shellenbaum /* ARGSUSED */ 29390a586ceaSMark Shellenbaum static int 29400a586ceaSMark Shellenbaum zfs_acl_node_aces_walk_init(mdb_walk_state_t *wsp) 29410a586ceaSMark Shellenbaum { 29420a586ceaSMark Shellenbaum return (zfs_acl_node_aces_walk_init_common(wsp, 1)); 29430a586ceaSMark Shellenbaum } 29440a586ceaSMark Shellenbaum 29450a586ceaSMark Shellenbaum /* ARGSUSED */ 29460a586ceaSMark Shellenbaum static int 29470a586ceaSMark Shellenbaum zfs_acl_node_aces0_walk_init(mdb_walk_state_t *wsp) 29480a586ceaSMark Shellenbaum { 29490a586ceaSMark Shellenbaum return (zfs_acl_node_aces_walk_init_common(wsp, 0)); 29500a586ceaSMark Shellenbaum } 29510a586ceaSMark Shellenbaum 29520a586ceaSMark Shellenbaum static int 29530a586ceaSMark Shellenbaum zfs_aces_walk_step(mdb_walk_state_t *wsp) 29540a586ceaSMark Shellenbaum { 29550a586ceaSMark Shellenbaum ace_walk_data_t *ace_data = wsp->walk_data; 29560a586ceaSMark Shellenbaum zfs_ace_t zace; 29570a586ceaSMark Shellenbaum ace_t *acep; 29580a586ceaSMark Shellenbaum int status; 29590a586ceaSMark Shellenbaum int entry_type; 29600a586ceaSMark Shellenbaum int allow_type; 29610a586ceaSMark Shellenbaum uintptr_t ptr; 29620a586ceaSMark Shellenbaum 29630a586ceaSMark Shellenbaum if (ace_data->ace_count == 0) 29640a586ceaSMark Shellenbaum return (WALK_DONE); 29650a586ceaSMark Shellenbaum 29660a586ceaSMark Shellenbaum if (mdb_vread(&zace, sizeof (zfs_ace_t), wsp->walk_addr) == -1) { 29670a586ceaSMark Shellenbaum mdb_warn("failed to read zfs_ace_t at %#lx", 29680a586ceaSMark Shellenbaum wsp->walk_addr); 29690a586ceaSMark Shellenbaum return (WALK_ERR); 29700a586ceaSMark Shellenbaum } 29710a586ceaSMark Shellenbaum 29720a586ceaSMark Shellenbaum switch (ace_data->ace_version) { 29730a586ceaSMark Shellenbaum case 0: 29740a586ceaSMark Shellenbaum acep = (ace_t *)&zace; 29750a586ceaSMark Shellenbaum entry_type = acep->a_flags & ACE_TYPE_FLAGS; 29760a586ceaSMark Shellenbaum allow_type = acep->a_type; 29770a586ceaSMark Shellenbaum break; 29780a586ceaSMark Shellenbaum case 1: 29790a586ceaSMark Shellenbaum entry_type = zace.z_hdr.z_flags & ACE_TYPE_FLAGS; 29800a586ceaSMark Shellenbaum allow_type = zace.z_hdr.z_type; 29810a586ceaSMark Shellenbaum break; 29820a586ceaSMark Shellenbaum default: 29830a586ceaSMark Shellenbaum return (WALK_ERR); 29840a586ceaSMark Shellenbaum } 29850a586ceaSMark Shellenbaum 29860a586ceaSMark Shellenbaum ptr = (uintptr_t)wsp->walk_addr; 29870a586ceaSMark Shellenbaum switch (entry_type) { 29880a586ceaSMark Shellenbaum case ACE_OWNER: 29890a586ceaSMark Shellenbaum case ACE_EVERYONE: 29900a586ceaSMark Shellenbaum case (ACE_IDENTIFIER_GROUP | ACE_GROUP): 29910a586ceaSMark Shellenbaum ptr += ace_data->ace_version == 0 ? 29920a586ceaSMark Shellenbaum sizeof (ace_t) : sizeof (zfs_ace_hdr_t); 29930a586ceaSMark Shellenbaum break; 29940a586ceaSMark Shellenbaum case ACE_IDENTIFIER_GROUP: 29950a586ceaSMark Shellenbaum default: 29960a586ceaSMark Shellenbaum switch (allow_type) { 29970a586ceaSMark Shellenbaum case ACE_ACCESS_ALLOWED_OBJECT_ACE_TYPE: 29980a586ceaSMark Shellenbaum case ACE_ACCESS_DENIED_OBJECT_ACE_TYPE: 29990a586ceaSMark Shellenbaum case ACE_SYSTEM_AUDIT_OBJECT_ACE_TYPE: 30000a586ceaSMark Shellenbaum case ACE_SYSTEM_ALARM_OBJECT_ACE_TYPE: 30010a586ceaSMark Shellenbaum ptr += ace_data->ace_version == 0 ? 30020a586ceaSMark Shellenbaum sizeof (ace_t) : sizeof (zfs_object_ace_t); 30030a586ceaSMark Shellenbaum break; 30040a586ceaSMark Shellenbaum default: 30050a586ceaSMark Shellenbaum ptr += ace_data->ace_version == 0 ? 30060a586ceaSMark Shellenbaum sizeof (ace_t) : sizeof (zfs_ace_t); 30070a586ceaSMark Shellenbaum break; 30080a586ceaSMark Shellenbaum } 30090a586ceaSMark Shellenbaum } 30100a586ceaSMark Shellenbaum 30110a586ceaSMark Shellenbaum ace_data->ace_count--; 30120a586ceaSMark Shellenbaum status = wsp->walk_callback(wsp->walk_addr, 30130a586ceaSMark Shellenbaum (void *)(uintptr_t)&zace, wsp->walk_cbdata); 30140a586ceaSMark Shellenbaum 30150a586ceaSMark Shellenbaum wsp->walk_addr = ptr; 30160a586ceaSMark Shellenbaum return (status); 30170a586ceaSMark Shellenbaum } 30180a586ceaSMark Shellenbaum 301928e4da25SMatthew Ahrens typedef struct mdb_zfs_rrwlock { 3020d5ee8a13SMatthew Ahrens uintptr_t rr_writer; 302128e4da25SMatthew Ahrens boolean_t rr_writer_wanted; 302228e4da25SMatthew Ahrens } mdb_zfs_rrwlock_t; 302328e4da25SMatthew Ahrens 302428e4da25SMatthew Ahrens static uint_t rrw_key; 302528e4da25SMatthew Ahrens 302628e4da25SMatthew Ahrens /* ARGSUSED */ 302728e4da25SMatthew Ahrens static int 302828e4da25SMatthew Ahrens rrwlock(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 302928e4da25SMatthew Ahrens { 303028e4da25SMatthew Ahrens mdb_zfs_rrwlock_t rrw; 303128e4da25SMatthew Ahrens 303228e4da25SMatthew Ahrens if (rrw_key == 0) { 303328e4da25SMatthew Ahrens if (mdb_ctf_readsym(&rrw_key, "uint_t", "rrw_tsd_key", 0) == -1) 303428e4da25SMatthew Ahrens return (DCMD_ERR); 303528e4da25SMatthew Ahrens } 303628e4da25SMatthew Ahrens 303728e4da25SMatthew Ahrens if (mdb_ctf_vread(&rrw, "rrwlock_t", "mdb_zfs_rrwlock_t", addr, 303828e4da25SMatthew Ahrens 0) == -1) 303928e4da25SMatthew Ahrens return (DCMD_ERR); 304028e4da25SMatthew Ahrens 3041d5ee8a13SMatthew Ahrens if (rrw.rr_writer != 0) { 3042d5ee8a13SMatthew Ahrens mdb_printf("write lock held by thread %lx\n", rrw.rr_writer); 304328e4da25SMatthew Ahrens return (DCMD_OK); 304428e4da25SMatthew Ahrens } 304528e4da25SMatthew Ahrens 304628e4da25SMatthew Ahrens if (rrw.rr_writer_wanted) { 304728e4da25SMatthew Ahrens mdb_printf("writer wanted\n"); 304828e4da25SMatthew Ahrens } 304928e4da25SMatthew Ahrens 305028e4da25SMatthew Ahrens mdb_printf("anonymous references:\n"); 305128e4da25SMatthew Ahrens (void) mdb_call_dcmd("refcount", addr + 305228e4da25SMatthew Ahrens mdb_ctf_offsetof_by_name(ZFS_STRUCT "rrwlock", "rr_anon_rcount"), 305328e4da25SMatthew Ahrens DCMD_ADDRSPEC, 0, NULL); 305428e4da25SMatthew Ahrens 305528e4da25SMatthew Ahrens mdb_printf("linked references:\n"); 305628e4da25SMatthew Ahrens (void) mdb_call_dcmd("refcount", addr + 305728e4da25SMatthew Ahrens mdb_ctf_offsetof_by_name(ZFS_STRUCT "rrwlock", "rr_linked_rcount"), 305828e4da25SMatthew Ahrens DCMD_ADDRSPEC, 0, NULL); 305928e4da25SMatthew Ahrens 306028e4da25SMatthew Ahrens /* 306128e4da25SMatthew Ahrens * XXX This should find references from 306228e4da25SMatthew Ahrens * "::walk thread | ::tsd -v <rrw_key>", but there is no support 306328e4da25SMatthew Ahrens * for programmatic consumption of dcmds, so this would be 306428e4da25SMatthew Ahrens * difficult, potentially requiring reimplementing ::tsd (both 306528e4da25SMatthew Ahrens * user and kernel versions) in this MDB module. 306628e4da25SMatthew Ahrens */ 306728e4da25SMatthew Ahrens 306828e4da25SMatthew Ahrens return (DCMD_OK); 306928e4da25SMatthew Ahrens } 307028e4da25SMatthew Ahrens 3071fa9e4066Sahrens /* 3072fa9e4066Sahrens * MDB module linkage information: 3073fa9e4066Sahrens * 3074fa9e4066Sahrens * We declare a list of structures describing our dcmds, and a function 3075fa9e4066Sahrens * named _mdb_init to return a pointer to our module information. 3076fa9e4066Sahrens */ 3077fa9e4066Sahrens 3078fa9e4066Sahrens static const mdb_dcmd_t dcmds[] = { 307991ebeef5Sahrens { "arc", "[-bkmg]", "print ARC variables", arc_print }, 3080fa9e4066Sahrens { "blkptr", ":", "print blkptr_t", blkptr }, 3081fa9e4066Sahrens { "dbuf", ":", "print dmu_buf_impl_t", dbuf }, 3082fa9e4066Sahrens { "dbuf_stats", ":", "dbuf stats", dbuf_stats }, 3083fa9e4066Sahrens { "dbufs", 30844223fc7cSMark Shellenbaum "\t[-O objset_t*] [-n objset_name | \"mos\"] " 3085a3f829aeSBill Moore "[-o object | \"mdn\"] \n" 3086a3f829aeSBill Moore "\t[-l level] [-b blkid | \"bonus\"]", 3087a3f829aeSBill Moore "find dmu_buf_impl_t's that match specified criteria", dbufs }, 3088fa9e4066Sahrens { "abuf_find", "dva_word[0] dva_word[1]", 3089a3f829aeSBill Moore "find arc_buf_hdr_t of a specified DVA", 3090a3f829aeSBill Moore abuf_find }, 3091fa9e4066Sahrens { "spa", "?[-cv]", "spa_t summary", spa_print }, 3092fa9e4066Sahrens { "spa_config", ":", "print spa_t configuration", spa_print_config }, 3093fa9e4066Sahrens { "spa_space", ":[-b]", "print spa_t on-disk space usage", spa_space }, 3094fa9e4066Sahrens { "spa_vdevs", ":", "given a spa_t, print vdev summary", spa_vdevs }, 309591ebeef5Sahrens { "vdev", ":[-re]\n" 3096a3f829aeSBill Moore "\t-r display recursively\n" 3097a3f829aeSBill Moore "\t-e print statistics", 3098a3f829aeSBill Moore "vdev_t summary", vdev_print }, 3099a3f829aeSBill Moore { "zio", ":[cpr]\n" 3100a3f829aeSBill Moore "\t-c display children\n" 3101a3f829aeSBill Moore "\t-p display parents\n" 3102a3f829aeSBill Moore "\t-r display recursively", 3103a3f829aeSBill Moore "zio_t summary", zio_print }, 3104ccae0b50Seschrock { "zio_state", "?", "print out all zio_t structures on system or " 3105ccae0b50Seschrock "for a particular pool", zio_state }, 310688b7b0f2SMatthew Ahrens { "zfs_blkstats", ":[-v]", 310788b7b0f2SMatthew Ahrens "given a spa_t, print block type stats from last scrub", 310888b7b0f2SMatthew Ahrens zfs_blkstats }, 3109614409b5Sahrens { "zfs_params", "", "print zfs tunable parameters", zfs_params }, 311028e4da25SMatthew Ahrens { "refcount", ":[-r]\n" 311128e4da25SMatthew Ahrens "\t-r display recently removed references", 311228e4da25SMatthew Ahrens "print refcount_t holders", refcount }, 31133f1f8012SMatthew Ahrens { "zap_leaf", "", "print zap_leaf_phys_t", zap_leaf }, 31140a586ceaSMark Shellenbaum { "zfs_aces", ":[-v]", "print all ACEs from a zfs_acl_t", 31150a586ceaSMark Shellenbaum zfs_acl_dump }, 31160a586ceaSMark Shellenbaum { "zfs_ace", ":[-v]", "print zfs_ace", zfs_ace_print }, 31170a586ceaSMark Shellenbaum { "zfs_ace0", ":[-v]", "print zfs_ace0", zfs_ace0_print }, 31180a586ceaSMark Shellenbaum { "sa_attr_table", ":", "print SA attribute table from sa_os_t", 31190a586ceaSMark Shellenbaum sa_attr_table}, 31200a586ceaSMark Shellenbaum { "sa_attr", ": attr_id", 31210a586ceaSMark Shellenbaum "print SA attribute address when given sa_handle_t", sa_attr_print}, 312228e4da25SMatthew Ahrens { "zfs_dbgmsg", ":[-va]", 31233f9d6ad7SLin Ling "print zfs debug log", dbgmsg}, 312428e4da25SMatthew Ahrens { "rrwlock", ":", 312528e4da25SMatthew Ahrens "print rrwlock_t, including readers", rrwlock}, 3126fa9e4066Sahrens { NULL } 3127fa9e4066Sahrens }; 3128fa9e4066Sahrens 3129fa9e4066Sahrens static const mdb_walker_t walkers[] = { 3130fa9e4066Sahrens { "zms_freelist", "walk ZFS metaslab freelist", 313128e4da25SMatthew Ahrens freelist_walk_init, freelist_walk_step, NULL }, 3132fa9e4066Sahrens { "txg_list", "given any txg_list_t *, walk all entries in all txgs", 313328e4da25SMatthew Ahrens txg_list_walk_init, txg_list_walk_step, NULL }, 3134fa9e4066Sahrens { "txg_list0", "given any txg_list_t *, walk all entries in txg 0", 313528e4da25SMatthew Ahrens txg_list0_walk_init, txg_list_walk_step, NULL }, 3136fa9e4066Sahrens { "txg_list1", "given any txg_list_t *, walk all entries in txg 1", 313728e4da25SMatthew Ahrens txg_list1_walk_init, txg_list_walk_step, NULL }, 3138fa9e4066Sahrens { "txg_list2", "given any txg_list_t *, walk all entries in txg 2", 313928e4da25SMatthew Ahrens txg_list2_walk_init, txg_list_walk_step, NULL }, 3140fa9e4066Sahrens { "txg_list3", "given any txg_list_t *, walk all entries in txg 3", 314128e4da25SMatthew Ahrens txg_list3_walk_init, txg_list_walk_step, NULL }, 3142ccae0b50Seschrock { "zio", "walk all zio structures, optionally for a particular spa_t", 314328e4da25SMatthew Ahrens zio_walk_init, zio_walk_step, NULL }, 314428e4da25SMatthew Ahrens { "zio_root", 314528e4da25SMatthew Ahrens "walk all root zio_t structures, optionally for a particular spa_t", 314628e4da25SMatthew Ahrens zio_walk_init, zio_walk_root_step, NULL }, 3147fa9e4066Sahrens { "spa", "walk all spa_t entries in the namespace", 314828e4da25SMatthew Ahrens spa_walk_init, spa_walk_step, NULL }, 31495f5f7a6fSahrens { "metaslab", "given a spa_t *, walk all metaslab_t structures", 315028e4da25SMatthew Ahrens metaslab_walk_init, metaslab_walk_step, NULL }, 31510a586ceaSMark Shellenbaum { "zfs_acl_node", "given a zfs_acl_t, walk all zfs_acl_nodes", 31520a586ceaSMark Shellenbaum zfs_acl_node_walk_init, zfs_acl_node_walk_step, NULL }, 31530a586ceaSMark Shellenbaum { "zfs_acl_node_aces", "given a zfs_acl_node_t, walk all ACEs", 31540a586ceaSMark Shellenbaum zfs_acl_node_aces_walk_init, zfs_aces_walk_step, NULL }, 31550a586ceaSMark Shellenbaum { "zfs_acl_node_aces0", 31560a586ceaSMark Shellenbaum "given a zfs_acl_node_t, walk all ACEs as ace_t", 31570a586ceaSMark Shellenbaum zfs_acl_node_aces0_walk_init, zfs_aces_walk_step, NULL }, 3158fa9e4066Sahrens { NULL } 3159fa9e4066Sahrens }; 3160fa9e4066Sahrens 3161fa9e4066Sahrens static const mdb_modinfo_t modinfo = { 3162fa9e4066Sahrens MDB_API_VERSION, dcmds, walkers 3163fa9e4066Sahrens }; 3164fa9e4066Sahrens 3165fa9e4066Sahrens const mdb_modinfo_t * 3166fa9e4066Sahrens _mdb_init(void) 3167fa9e4066Sahrens { 3168fa9e4066Sahrens return (&modinfo); 3169fa9e4066Sahrens } 3170