4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
23 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Copyright (c) 2011, 2019 by Delphix. All rights reserved.
25 * Copyright (c) 2014 Integros [integros.com]
26 * Copyright 2016 Nexenta Systems, Inc.
27 * Copyright (c) 2017, 2018 Lawrence Livermore National Security, LLC.
28 * Copyright (c) 2015, 2017, Intel Corporation.
35 #include <sys/zfs_context.h>
37 #include <sys/spa_impl.h>
40 #include <sys/fs/zfs.h>
41 #include <sys/zfs_znode.h>
42 #include <sys/zfs_sa.h>
44 #include <sys/sa_impl.h>
46 #include <sys/vdev_impl.h>
47 #include <sys/metaslab_impl.h>
48 #include <sys/dmu_objset.h>
49 #include <sys/dsl_dir.h>
50 #include <sys/dsl_dataset.h>
51 #include <sys/dsl_pool.h>
52 #include <sys/dsl_bookmark.h>
55 #include <sys/zil_impl.h>
57 #include <sys/resource.h>
58 #include <sys/dmu_send.h>
59 #include <sys/dmu_traverse.h>
60 #include <sys/zio_checksum.h>
61 #include <sys/zio_compress.h>
62 #include <sys/zfs_fuid.h>
65 #include <sys/zfeature.h>
67 #include <sys/blkptr.h>
68 #include <sys/dsl_crypt.h>
69 #include <sys/dsl_scan.h>
70 #include <zfs_comutil.h>
72 #include <libnvpair.h>
77 #define ZDB_COMPRESS_NAME(idx) ((idx) < ZIO_COMPRESS_FUNCTIONS ? \
78 zio_compress_table[(idx)].ci_name : "UNKNOWN")
79 #define ZDB_CHECKSUM_NAME(idx) ((idx) < ZIO_CHECKSUM_FUNCTIONS ? \
80 zio_checksum_table[(idx)].ci_name : "UNKNOWN")
81 #define ZDB_OT_TYPE(idx) ((idx) < DMU_OT_NUMTYPES ? (idx) : \
82 (idx) == DMU_OTN_ZAP_DATA || (idx) == DMU_OTN_ZAP_METADATA ? \
84 (idx) == DMU_OTN_UINT64_DATA || (idx) == DMU_OTN_UINT64_METADATA ? \
85 DMU_OT_UINT64_OTHER : DMU_OT_NUMTYPES)
88 zdb_ot_name(dmu_object_type_t type
)
90 if (type
< DMU_OT_NUMTYPES
)
91 return (dmu_ot
[type
].ot_name
);
92 else if ((type
& DMU_OT_NEWTYPE
) &&
93 ((type
& DMU_OT_BYTESWAP_MASK
) < DMU_BSWAP_NUMFUNCS
))
94 return (dmu_ot_byteswap
[type
& DMU_OT_BYTESWAP_MASK
].ob_name
);
99 extern int reference_tracking_enable
;
100 extern int zfs_recover
;
101 extern uint64_t zfs_arc_max
, zfs_arc_meta_limit
;
102 extern int zfs_vdev_async_read_max_active
;
103 extern boolean_t spa_load_verify_dryrun
;
104 extern int zfs_reconstruct_indirect_combinations_max
;
105 extern int zfs_btree_verify_intensity
;
107 static const char cmdname
[] = "zdb";
108 uint8_t dump_opt
[256];
110 typedef void object_viewer_t(objset_t
*, uint64_t, void *data
, size_t size
);
112 uint64_t *zopt_object
= NULL
;
113 static unsigned zopt_objects
= 0;
114 uint64_t max_inflight_bytes
= 256 * 1024 * 1024; /* 256MB */
115 static int leaked_objects
= 0;
116 static range_tree_t
*mos_refd_objs
;
118 static void snprintf_blkptr_compact(char *, size_t, const blkptr_t
*,
120 static void mos_obj_refd(uint64_t);
121 static void mos_obj_refd_multiple(uint64_t);
124 * These libumem hooks provide a reasonable set of defaults for the allocator's
125 * debugging facilities.
128 _umem_debug_init(void)
130 return ("default,verbose"); /* $UMEM_DEBUG setting */
134 _umem_logging_init(void)
136 return ("fail,contents"); /* $UMEM_LOGGING setting */
142 (void) fprintf(stderr
,
143 "Usage:\t%s [-AbcdDFGhikLMPsvX] [-e [-V] [-p <path> ...]] "
144 "[-I <inflight I/Os>]\n"
145 "\t\t[-o <var>=<value>]... [-t <txg>] [-U <cache>] [-x <dumpdir>]\n"
146 "\t\t[<poolname> [<object> ...]]\n"
147 "\t%s [-AdiPv] [-e [-V] [-p <path> ...]] [-U <cache>] <dataset>\n"
148 "\t\t[<object> ...]\n"
149 "\t%s [-v] <bookmark>\n"
150 "\t%s -C [-A] [-U <cache>]\n"
151 "\t%s -l [-Aqu] <device>\n"
152 "\t%s -m [-AFLPX] [-e [-V] [-p <path> ...]] [-t <txg>] "
153 "[-U <cache>]\n\t\t<poolname> [<vdev> [<metaslab> ...]]\n"
154 "\t%s -O <dataset> <path>\n"
155 "\t%s -R [-A] [-e [-V] [-p <path> ...]] [-U <cache>]\n"
156 "\t\t<poolname> <vdev>:<offset>:<size>[:<flags>]\n"
157 "\t%s -E [-A] word0:word1:...:word15\n"
158 "\t%s -S [-AP] [-e [-V] [-p <path> ...]] [-U <cache>] "
160 cmdname
, cmdname
, cmdname
, cmdname
, cmdname
, cmdname
, cmdname
,
161 cmdname
, cmdname
, cmdname
);
163 (void) fprintf(stderr
, " Dataset name must include at least one "
164 "separator character '/' or '@'\n");
165 (void) fprintf(stderr
, " If dataset name is specified, only that "
166 "dataset is dumped\n");
167 (void) fprintf(stderr
, " If object numbers are specified, only "
168 "those objects are dumped\n\n");
169 (void) fprintf(stderr
, " Options to control amount of output:\n");
170 (void) fprintf(stderr
, " -b block statistics\n");
171 (void) fprintf(stderr
, " -c checksum all metadata (twice for "
172 "all data) blocks\n");
173 (void) fprintf(stderr
, " -C config (or cachefile if alone)\n");
174 (void) fprintf(stderr
, " -d dataset(s)\n");
175 (void) fprintf(stderr
, " -D dedup statistics\n");
176 (void) fprintf(stderr
, " -E decode and display block from an "
177 "embedded block pointer\n");
178 (void) fprintf(stderr
, " -h pool history\n");
179 (void) fprintf(stderr
, " -i intent logs\n");
180 (void) fprintf(stderr
, " -l read label contents\n");
181 (void) fprintf(stderr
, " -k examine the checkpointed state "
183 (void) fprintf(stderr
, " -L disable leak tracking (do not "
184 "load spacemaps)\n");
185 (void) fprintf(stderr
, " -m metaslabs\n");
186 (void) fprintf(stderr
, " -M metaslab groups\n");
187 (void) fprintf(stderr
, " -O perform object lookups by path\n");
188 (void) fprintf(stderr
, " -R read and display block from a "
190 (void) fprintf(stderr
, " -s report stats on zdb's I/O\n");
191 (void) fprintf(stderr
, " -S simulate dedup to measure effect\n");
192 (void) fprintf(stderr
, " -v verbose (applies to all "
194 (void) fprintf(stderr
, " Below options are intended for use "
195 "with other options:\n");
196 (void) fprintf(stderr
, " -A ignore assertions (-A), enable "
197 "panic recovery (-AA) or both (-AAA)\n");
198 (void) fprintf(stderr
, " -e pool is exported/destroyed/"
199 "has altroot/not in a cachefile\n");
200 (void) fprintf(stderr
, " -F attempt automatic rewind within "
201 "safe range of transaction groups\n");
202 (void) fprintf(stderr
, " -G dump zfs_dbgmsg buffer before "
204 (void) fprintf(stderr
, " -I <number of inflight I/Os> -- "
205 "specify the maximum number of\n "
206 "checksumming I/Os [default is 200]\n");
207 (void) fprintf(stderr
, " -o <variable>=<value> set global "
208 "variable to an unsigned 32-bit integer\n");
209 (void) fprintf(stderr
, " -p <path> -- use one or more with "
210 "-e to specify path to vdev dir\n");
211 (void) fprintf(stderr
, " -P print numbers in parseable form\n");
212 (void) fprintf(stderr
, " -q don't print label contents\n");
213 (void) fprintf(stderr
, " -t <txg> -- highest txg to use when "
214 "searching for uberblocks\n");
215 (void) fprintf(stderr
, " -u uberblock\n");
216 (void) fprintf(stderr
, " -U <cachefile_path> -- use alternate "
218 (void) fprintf(stderr
, " -V do verbatim import\n");
219 (void) fprintf(stderr
, " -x <dumpdir> -- "
220 "dump all read blocks into specified directory\n");
221 (void) fprintf(stderr
, " -X attempt extreme rewind (does not "
222 "work with dataset)\n");
223 (void) fprintf(stderr
, " -Y attempt all reconstruction "
224 "combinations for split blocks\n");
225 (void) fprintf(stderr
, "Specify an option more than once (e.g. -bb) "
226 "to make only that option verbose\n");
227 (void) fprintf(stderr
, "Default is to dump everything non-verbosely\n");
232 dump_debug_buffer(void)
236 (void) fflush(stdout
);
237 zfs_dbgmsg_print("zdb");
242 * Called for usage errors that are discovered after a call to spa_open(),
243 * dmu_bonus_hold(), or pool_match(). abort() is called for other errors.
247 fatal(const char *fmt
, ...)
252 (void) fprintf(stderr
, "%s: ", cmdname
);
253 (void) vfprintf(stderr
, fmt
, ap
);
255 (void) fprintf(stderr
, "\n");
264 dump_packed_nvlist(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
267 size_t nvsize
= *(uint64_t *)data
;
268 char *packed
= umem_alloc(nvsize
, UMEM_NOFAIL
);
270 VERIFY(0 == dmu_read(os
, object
, 0, nvsize
, packed
, DMU_READ_PREFETCH
));
272 VERIFY(nvlist_unpack(packed
, nvsize
, &nv
, 0) == 0);
274 umem_free(packed
, nvsize
);
283 dump_history_offsets(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
285 spa_history_phys_t
*shp
= data
;
290 (void) printf("\t\tpool_create_len = %llu\n",
291 (u_longlong_t
)shp
->sh_pool_create_len
);
292 (void) printf("\t\tphys_max_off = %llu\n",
293 (u_longlong_t
)shp
->sh_phys_max_off
);
294 (void) printf("\t\tbof = %llu\n",
295 (u_longlong_t
)shp
->sh_bof
);
296 (void) printf("\t\teof = %llu\n",
297 (u_longlong_t
)shp
->sh_eof
);
298 (void) printf("\t\trecords_lost = %llu\n",
299 (u_longlong_t
)shp
->sh_records_lost
);
303 zdb_nicenum(uint64_t num
, char *buf
, size_t buflen
)
306 (void) snprintf(buf
, buflen
, "%llu", (longlong_t
)num
);
308 nicenum(num
, buf
, sizeof (buf
));
311 static const char histo_stars
[] = "****************************************";
312 static const uint64_t histo_width
= sizeof (histo_stars
) - 1;
315 dump_histogram(const uint64_t *histo
, int size
, int offset
)
318 int minidx
= size
- 1;
322 for (i
= 0; i
< size
; i
++) {
325 if (histo
[i
] > 0 && i
> maxidx
)
327 if (histo
[i
] > 0 && i
< minidx
)
331 if (max
< histo_width
)
334 for (i
= minidx
; i
<= maxidx
; i
++) {
335 (void) printf("\t\t\t%3u: %6llu %s\n",
336 i
+ offset
, (u_longlong_t
)histo
[i
],
337 &histo_stars
[(max
- histo
[i
]) * histo_width
/ max
]);
342 dump_zap_stats(objset_t
*os
, uint64_t object
)
347 error
= zap_get_stats(os
, object
, &zs
);
351 if (zs
.zs_ptrtbl_len
== 0) {
352 ASSERT(zs
.zs_num_blocks
== 1);
353 (void) printf("\tmicrozap: %llu bytes, %llu entries\n",
354 (u_longlong_t
)zs
.zs_blocksize
,
355 (u_longlong_t
)zs
.zs_num_entries
);
359 (void) printf("\tFat ZAP stats:\n");
361 (void) printf("\t\tPointer table:\n");
362 (void) printf("\t\t\t%llu elements\n",
363 (u_longlong_t
)zs
.zs_ptrtbl_len
);
364 (void) printf("\t\t\tzt_blk: %llu\n",
365 (u_longlong_t
)zs
.zs_ptrtbl_zt_blk
);
366 (void) printf("\t\t\tzt_numblks: %llu\n",
367 (u_longlong_t
)zs
.zs_ptrtbl_zt_numblks
);
368 (void) printf("\t\t\tzt_shift: %llu\n",
369 (u_longlong_t
)zs
.zs_ptrtbl_zt_shift
);
370 (void) printf("\t\t\tzt_blks_copied: %llu\n",
371 (u_longlong_t
)zs
.zs_ptrtbl_blks_copied
);
372 (void) printf("\t\t\tzt_nextblk: %llu\n",
373 (u_longlong_t
)zs
.zs_ptrtbl_nextblk
);
375 (void) printf("\t\tZAP entries: %llu\n",
376 (u_longlong_t
)zs
.zs_num_entries
);
377 (void) printf("\t\tLeaf blocks: %llu\n",
378 (u_longlong_t
)zs
.zs_num_leafs
);
379 (void) printf("\t\tTotal blocks: %llu\n",
380 (u_longlong_t
)zs
.zs_num_blocks
);
381 (void) printf("\t\tzap_block_type: 0x%llx\n",
382 (u_longlong_t
)zs
.zs_block_type
);
383 (void) printf("\t\tzap_magic: 0x%llx\n",
384 (u_longlong_t
)zs
.zs_magic
);
385 (void) printf("\t\tzap_salt: 0x%llx\n",
386 (u_longlong_t
)zs
.zs_salt
);
388 (void) printf("\t\tLeafs with 2^n pointers:\n");
389 dump_histogram(zs
.zs_leafs_with_2n_pointers
, ZAP_HISTOGRAM_SIZE
, 0);
391 (void) printf("\t\tBlocks with n*5 entries:\n");
392 dump_histogram(zs
.zs_blocks_with_n5_entries
, ZAP_HISTOGRAM_SIZE
, 0);
394 (void) printf("\t\tBlocks n/10 full:\n");
395 dump_histogram(zs
.zs_blocks_n_tenths_full
, ZAP_HISTOGRAM_SIZE
, 0);
397 (void) printf("\t\tEntries with n chunks:\n");
398 dump_histogram(zs
.zs_entries_using_n_chunks
, ZAP_HISTOGRAM_SIZE
, 0);
400 (void) printf("\t\tBuckets with n entries:\n");
401 dump_histogram(zs
.zs_buckets_with_n_entries
, ZAP_HISTOGRAM_SIZE
, 0);
406 dump_none(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
412 dump_unknown(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
414 (void) printf("\tUNKNOWN OBJECT TYPE\n");
419 dump_uint8(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
425 dump_uint64(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
429 if (dump_opt
['d'] < 6)
433 dmu_object_info_t doi
;
435 VERIFY0(dmu_object_info(os
, object
, &doi
));
436 size
= doi
.doi_max_offset
;
438 * We cap the size at 1 mebibyte here to prevent
439 * allocation failures and nigh-infinite printing if the
440 * object is extremely large.
442 oursize
= MIN(size
, 1 << 20);
443 arr
= kmem_alloc(oursize
, KM_SLEEP
);
445 int err
= dmu_read(os
, object
, 0, oursize
, arr
, 0);
447 (void) printf("got error %u from dmu_read\n", err
);
448 kmem_free(arr
, oursize
);
453 * Even though the allocation is already done in this code path,
454 * we still cap the size to prevent excessive printing.
456 oursize
= MIN(size
, 1 << 20);
461 (void) printf("\t\t[]\n");
465 (void) printf("\t\t[%0llx", (u_longlong_t
)arr
[0]);
466 for (size_t i
= 1; i
* sizeof (uint64_t) < oursize
; i
++) {
468 (void) printf(", %0llx", (u_longlong_t
)arr
[i
]);
470 (void) printf(",\n\t\t%0llx", (u_longlong_t
)arr
[i
]);
473 (void) printf(", ... ");
474 (void) printf("]\n");
477 kmem_free(arr
, oursize
);
482 dump_zap(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
485 zap_attribute_t attr
;
489 dump_zap_stats(os
, object
);
492 for (zap_cursor_init(&zc
, os
, object
);
493 zap_cursor_retrieve(&zc
, &attr
) == 0;
494 zap_cursor_advance(&zc
)) {
495 (void) printf("\t\t%s = ", attr
.za_name
);
496 if (attr
.za_num_integers
== 0) {
500 prop
= umem_zalloc(attr
.za_num_integers
*
501 attr
.za_integer_length
, UMEM_NOFAIL
);
502 (void) zap_lookup(os
, object
, attr
.za_name
,
503 attr
.za_integer_length
, attr
.za_num_integers
, prop
);
504 if (attr
.za_integer_length
== 1) {
505 (void) printf("%s", (char *)prop
);
507 for (i
= 0; i
< attr
.za_num_integers
; i
++) {
508 switch (attr
.za_integer_length
) {
511 ((uint16_t *)prop
)[i
]);
515 ((uint32_t *)prop
)[i
]);
518 (void) printf("%lld ",
519 (u_longlong_t
)((int64_t *)prop
)[i
]);
525 umem_free(prop
, attr
.za_num_integers
* attr
.za_integer_length
);
527 zap_cursor_fini(&zc
);
531 dump_bpobj(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
533 bpobj_phys_t
*bpop
= data
;
535 char bytes
[32], comp
[32], uncomp
[32];
537 /* make sure the output won't get truncated */
538 CTASSERT(sizeof (bytes
) >= NN_NUMBUF_SZ
);
539 CTASSERT(sizeof (comp
) >= NN_NUMBUF_SZ
);
540 CTASSERT(sizeof (uncomp
) >= NN_NUMBUF_SZ
);
545 zdb_nicenum(bpop
->bpo_bytes
, bytes
, sizeof (bytes
));
546 zdb_nicenum(bpop
->bpo_comp
, comp
, sizeof (comp
));
547 zdb_nicenum(bpop
->bpo_uncomp
, uncomp
, sizeof (uncomp
));
549 (void) printf("\t\tnum_blkptrs = %llu\n",
550 (u_longlong_t
)bpop
->bpo_num_blkptrs
);
551 (void) printf("\t\tbytes = %s\n", bytes
);
552 if (size
>= BPOBJ_SIZE_V1
) {
553 (void) printf("\t\tcomp = %s\n", comp
);
554 (void) printf("\t\tuncomp = %s\n", uncomp
);
556 if (size
>= BPOBJ_SIZE_V2
) {
557 (void) printf("\t\tsubobjs = %llu\n",
558 (u_longlong_t
)bpop
->bpo_subobjs
);
559 (void) printf("\t\tnum_subobjs = %llu\n",
560 (u_longlong_t
)bpop
->bpo_num_subobjs
);
562 if (size
>= sizeof (*bpop
)) {
563 (void) printf("\t\tnum_freed = %llu\n",
564 (u_longlong_t
)bpop
->bpo_num_freed
);
567 if (dump_opt
['d'] < 5)
570 for (i
= 0; i
< bpop
->bpo_num_blkptrs
; i
++) {
571 char blkbuf
[BP_SPRINTF_LEN
];
574 int err
= dmu_read(os
, object
,
575 i
* sizeof (bp
), sizeof (bp
), &bp
, 0);
577 (void) printf("got error %u from dmu_read\n", err
);
580 snprintf_blkptr_compact(blkbuf
, sizeof (blkbuf
), &bp
,
582 (void) printf("\t%s\n", blkbuf
);
588 dump_bpobj_subobjs(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
590 dmu_object_info_t doi
;
593 VERIFY0(dmu_object_info(os
, object
, &doi
));
594 uint64_t *subobjs
= kmem_alloc(doi
.doi_max_offset
, KM_SLEEP
);
596 int err
= dmu_read(os
, object
, 0, doi
.doi_max_offset
, subobjs
, 0);
598 (void) printf("got error %u from dmu_read\n", err
);
599 kmem_free(subobjs
, doi
.doi_max_offset
);
603 int64_t last_nonzero
= -1;
604 for (i
= 0; i
< doi
.doi_max_offset
/ 8; i
++) {
609 for (i
= 0; i
<= last_nonzero
; i
++) {
610 (void) printf("\t%llu\n", (u_longlong_t
)subobjs
[i
]);
612 kmem_free(subobjs
, doi
.doi_max_offset
);
617 dump_ddt_zap(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
619 dump_zap_stats(os
, object
);
620 /* contents are printed elsewhere, properly decoded */
625 dump_sa_attrs(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
628 zap_attribute_t attr
;
630 dump_zap_stats(os
, object
);
633 for (zap_cursor_init(&zc
, os
, object
);
634 zap_cursor_retrieve(&zc
, &attr
) == 0;
635 zap_cursor_advance(&zc
)) {
636 (void) printf("\t\t%s = ", attr
.za_name
);
637 if (attr
.za_num_integers
== 0) {
641 (void) printf(" %llx : [%d:%d:%d]\n",
642 (u_longlong_t
)attr
.za_first_integer
,
643 (int)ATTR_LENGTH(attr
.za_first_integer
),
644 (int)ATTR_BSWAP(attr
.za_first_integer
),
645 (int)ATTR_NUM(attr
.za_first_integer
));
647 zap_cursor_fini(&zc
);
652 dump_sa_layouts(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
655 zap_attribute_t attr
;
656 uint16_t *layout_attrs
;
659 dump_zap_stats(os
, object
);
662 for (zap_cursor_init(&zc
, os
, object
);
663 zap_cursor_retrieve(&zc
, &attr
) == 0;
664 zap_cursor_advance(&zc
)) {
665 (void) printf("\t\t%s = [", attr
.za_name
);
666 if (attr
.za_num_integers
== 0) {
671 VERIFY(attr
.za_integer_length
== 2);
672 layout_attrs
= umem_zalloc(attr
.za_num_integers
*
673 attr
.za_integer_length
, UMEM_NOFAIL
);
675 VERIFY(zap_lookup(os
, object
, attr
.za_name
,
676 attr
.za_integer_length
,
677 attr
.za_num_integers
, layout_attrs
) == 0);
679 for (i
= 0; i
!= attr
.za_num_integers
; i
++)
680 (void) printf(" %d ", (int)layout_attrs
[i
]);
681 (void) printf("]\n");
682 umem_free(layout_attrs
,
683 attr
.za_num_integers
* attr
.za_integer_length
);
685 zap_cursor_fini(&zc
);
690 dump_zpldir(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
693 zap_attribute_t attr
;
694 const char *typenames
[] = {
695 /* 0 */ "not specified",
697 /* 2 */ "Character Device",
698 /* 3 */ "3 (invalid)",
700 /* 5 */ "5 (invalid)",
701 /* 6 */ "Block Device",
702 /* 7 */ "7 (invalid)",
703 /* 8 */ "Regular File",
704 /* 9 */ "9 (invalid)",
705 /* 10 */ "Symbolic Link",
706 /* 11 */ "11 (invalid)",
709 /* 14 */ "Event Port",
710 /* 15 */ "15 (invalid)",
713 dump_zap_stats(os
, object
);
716 for (zap_cursor_init(&zc
, os
, object
);
717 zap_cursor_retrieve(&zc
, &attr
) == 0;
718 zap_cursor_advance(&zc
)) {
719 (void) printf("\t\t%s = %lld (type: %s)\n",
720 attr
.za_name
, ZFS_DIRENT_OBJ(attr
.za_first_integer
),
721 typenames
[ZFS_DIRENT_TYPE(attr
.za_first_integer
)]);
723 zap_cursor_fini(&zc
);
727 get_dtl_refcount(vdev_t
*vd
)
731 if (vd
->vdev_ops
->vdev_op_leaf
) {
732 space_map_t
*sm
= vd
->vdev_dtl_sm
;
735 sm
->sm_dbuf
->db_size
== sizeof (space_map_phys_t
))
740 for (unsigned c
= 0; c
< vd
->vdev_children
; c
++)
741 refcount
+= get_dtl_refcount(vd
->vdev_child
[c
]);
746 get_metaslab_refcount(vdev_t
*vd
)
750 if (vd
->vdev_top
== vd
) {
751 for (uint64_t m
= 0; m
< vd
->vdev_ms_count
; m
++) {
752 space_map_t
*sm
= vd
->vdev_ms
[m
]->ms_sm
;
755 sm
->sm_dbuf
->db_size
== sizeof (space_map_phys_t
))
759 for (unsigned c
= 0; c
< vd
->vdev_children
; c
++)
760 refcount
+= get_metaslab_refcount(vd
->vdev_child
[c
]);
766 get_obsolete_refcount(vdev_t
*vd
)
768 uint64_t obsolete_sm_object
;
771 VERIFY0(vdev_obsolete_sm_object(vd
, &obsolete_sm_object
));
772 if (vd
->vdev_top
== vd
&& obsolete_sm_object
!= 0) {
773 dmu_object_info_t doi
;
774 VERIFY0(dmu_object_info(vd
->vdev_spa
->spa_meta_objset
,
775 obsolete_sm_object
, &doi
));
776 if (doi
.doi_bonus_size
== sizeof (space_map_phys_t
)) {
780 ASSERT3P(vd
->vdev_obsolete_sm
, ==, NULL
);
781 ASSERT3U(obsolete_sm_object
, ==, 0);
783 for (unsigned c
= 0; c
< vd
->vdev_children
; c
++) {
784 refcount
+= get_obsolete_refcount(vd
->vdev_child
[c
]);
791 get_prev_obsolete_spacemap_refcount(spa_t
*spa
)
794 spa
->spa_condensing_indirect_phys
.scip_prev_obsolete_sm_object
;
796 dmu_object_info_t doi
;
797 VERIFY0(dmu_object_info(spa
->spa_meta_objset
, prev_obj
, &doi
));
798 if (doi
.doi_bonus_size
== sizeof (space_map_phys_t
)) {
806 get_checkpoint_refcount(vdev_t
*vd
)
810 if (vd
->vdev_top
== vd
&& vd
->vdev_top_zap
!= 0 &&
811 zap_contains(spa_meta_objset(vd
->vdev_spa
),
812 vd
->vdev_top_zap
, VDEV_TOP_ZAP_POOL_CHECKPOINT_SM
) == 0)
815 for (uint64_t c
= 0; c
< vd
->vdev_children
; c
++)
816 refcount
+= get_checkpoint_refcount(vd
->vdev_child
[c
]);
822 get_log_spacemap_refcount(spa_t
*spa
)
824 return (avl_numnodes(&spa
->spa_sm_logs_by_txg
));
828 verify_spacemap_refcounts(spa_t
*spa
)
830 uint64_t expected_refcount
= 0;
831 uint64_t actual_refcount
;
833 (void) feature_get_refcount(spa
,
834 &spa_feature_table
[SPA_FEATURE_SPACEMAP_HISTOGRAM
],
836 actual_refcount
= get_dtl_refcount(spa
->spa_root_vdev
);
837 actual_refcount
+= get_metaslab_refcount(spa
->spa_root_vdev
);
838 actual_refcount
+= get_obsolete_refcount(spa
->spa_root_vdev
);
839 actual_refcount
+= get_prev_obsolete_spacemap_refcount(spa
);
840 actual_refcount
+= get_checkpoint_refcount(spa
->spa_root_vdev
);
841 actual_refcount
+= get_log_spacemap_refcount(spa
);
843 if (expected_refcount
!= actual_refcount
) {
844 (void) printf("space map refcount mismatch: expected %lld != "
846 (longlong_t
)expected_refcount
,
847 (longlong_t
)actual_refcount
);
854 dump_spacemap(objset_t
*os
, space_map_t
*sm
)
856 const char *ddata
[] = { "ALLOC", "FREE", "CONDENSE", "INVALID",
857 "INVALID", "INVALID", "INVALID", "INVALID" };
862 (void) printf("space map object %llu:\n",
863 (longlong_t
)sm
->sm_object
);
864 (void) printf(" smp_length = 0x%llx\n",
865 (longlong_t
)sm
->sm_phys
->smp_length
);
866 (void) printf(" smp_alloc = 0x%llx\n",
867 (longlong_t
)sm
->sm_phys
->smp_alloc
);
869 if (dump_opt
['d'] < 6 && dump_opt
['m'] < 4)
873 * Print out the freelist entries in both encoded and decoded form.
875 uint8_t mapshift
= sm
->sm_shift
;
877 uint64_t word
, entry_id
= 0;
878 for (uint64_t offset
= 0; offset
< space_map_length(sm
);
879 offset
+= sizeof (word
)) {
881 VERIFY0(dmu_read(os
, space_map_object(sm
), offset
,
882 sizeof (word
), &word
, DMU_READ_PREFETCH
));
884 if (sm_entry_is_debug(word
)) {
885 (void) printf("\t [%6llu] %s: txg %llu pass %llu\n",
886 (u_longlong_t
)entry_id
,
887 ddata
[SM_DEBUG_ACTION_DECODE(word
)],
888 (u_longlong_t
)SM_DEBUG_TXG_DECODE(word
),
889 (u_longlong_t
)SM_DEBUG_SYNCPASS_DECODE(word
));
896 uint64_t entry_off
, entry_run
, entry_vdev
= SM_NO_VDEVID
;
898 if (sm_entry_is_single_word(word
)) {
899 entry_type
= (SM_TYPE_DECODE(word
) == SM_ALLOC
) ?
901 entry_off
= (SM_OFFSET_DECODE(word
) << mapshift
) +
903 entry_run
= SM_RUN_DECODE(word
) << mapshift
;
906 /* it is a two-word entry so we read another word */
907 ASSERT(sm_entry_is_double_word(word
));
910 offset
+= sizeof (extra_word
);
911 VERIFY0(dmu_read(os
, space_map_object(sm
), offset
,
912 sizeof (extra_word
), &extra_word
,
915 ASSERT3U(offset
, <=, space_map_length(sm
));
917 entry_run
= SM2_RUN_DECODE(word
) << mapshift
;
918 entry_vdev
= SM2_VDEV_DECODE(word
);
919 entry_type
= (SM2_TYPE_DECODE(extra_word
) == SM_ALLOC
) ?
921 entry_off
= (SM2_OFFSET_DECODE(extra_word
) <<
922 mapshift
) + sm
->sm_start
;
926 (void) printf("\t [%6llu] %c range:"
927 " %010llx-%010llx size: %06llx vdev: %06llu words: %u\n",
928 (u_longlong_t
)entry_id
,
929 entry_type
, (u_longlong_t
)entry_off
,
930 (u_longlong_t
)(entry_off
+ entry_run
),
931 (u_longlong_t
)entry_run
,
932 (u_longlong_t
)entry_vdev
, words
);
934 if (entry_type
== 'A')
940 if (alloc
!= space_map_allocated(sm
)) {
941 (void) printf("space_map_object alloc (%lld) INCONSISTENT "
942 "with space map summary (%lld)\n",
943 (longlong_t
)space_map_allocated(sm
), (longlong_t
)alloc
);
948 dump_metaslab_stats(metaslab_t
*msp
)
951 range_tree_t
*rt
= msp
->ms_allocatable
;
952 zfs_btree_t
*t
= &msp
->ms_allocatable_by_size
;
953 int free_pct
= range_tree_space(rt
) * 100 / msp
->ms_size
;
955 /* max sure nicenum has enough space */
956 CTASSERT(sizeof (maxbuf
) >= NN_NUMBUF_SZ
);
958 zdb_nicenum(metaslab_largest_allocatable(msp
), maxbuf
, sizeof (maxbuf
));
960 (void) printf("\t %25s %10lu %7s %6s %4s %4d%%\n",
961 "segments", zfs_btree_numnodes(t
), "maxsize", maxbuf
,
962 "freepct", free_pct
);
963 (void) printf("\tIn-memory histogram:\n");
964 dump_histogram(rt
->rt_histogram
, RANGE_TREE_HISTOGRAM_SIZE
, 0);
968 dump_metaslab(metaslab_t
*msp
)
970 vdev_t
*vd
= msp
->ms_group
->mg_vd
;
971 spa_t
*spa
= vd
->vdev_spa
;
972 space_map_t
*sm
= msp
->ms_sm
;
975 zdb_nicenum(msp
->ms_size
- space_map_allocated(sm
), freebuf
,
979 "\tmetaslab %6llu offset %12llx spacemap %6llu free %5s\n",
980 (u_longlong_t
)msp
->ms_id
, (u_longlong_t
)msp
->ms_start
,
981 (u_longlong_t
)space_map_object(sm
), freebuf
);
983 if (dump_opt
['m'] > 2 && !dump_opt
['L']) {
984 mutex_enter(&msp
->ms_lock
);
985 VERIFY0(metaslab_load(msp
));
986 range_tree_stat_verify(msp
->ms_allocatable
);
987 dump_metaslab_stats(msp
);
988 metaslab_unload(msp
);
989 mutex_exit(&msp
->ms_lock
);
992 if (dump_opt
['m'] > 1 && sm
!= NULL
&&
993 spa_feature_is_active(spa
, SPA_FEATURE_SPACEMAP_HISTOGRAM
)) {
995 * The space map histogram represents free space in chunks
996 * of sm_shift (i.e. bucket 0 refers to 2^sm_shift).
998 (void) printf("\tOn-disk histogram:\t\tfragmentation %llu\n",
999 (u_longlong_t
)msp
->ms_fragmentation
);
1000 dump_histogram(sm
->sm_phys
->smp_histogram
,
1001 SPACE_MAP_HISTOGRAM_SIZE
, sm
->sm_shift
);
1004 ASSERT(msp
->ms_size
== (1ULL << vd
->vdev_ms_shift
));
1005 dump_spacemap(spa
->spa_meta_objset
, msp
->ms_sm
);
1007 if (spa_feature_is_active(spa
, SPA_FEATURE_LOG_SPACEMAP
)) {
1008 (void) printf("\tFlush data:\n\tunflushed txg=%llu\n\n",
1009 (u_longlong_t
)metaslab_unflushed_txg(msp
));
1014 print_vdev_metaslab_header(vdev_t
*vd
)
1016 vdev_alloc_bias_t alloc_bias
= vd
->vdev_alloc_bias
;
1017 const char *bias_str
= "";
1018 if (alloc_bias
== VDEV_BIAS_LOG
|| vd
->vdev_islog
) {
1019 bias_str
= VDEV_ALLOC_BIAS_LOG
;
1020 } else if (alloc_bias
== VDEV_BIAS_SPECIAL
) {
1021 bias_str
= VDEV_ALLOC_BIAS_SPECIAL
;
1022 } else if (alloc_bias
== VDEV_BIAS_DEDUP
) {
1023 bias_str
= VDEV_ALLOC_BIAS_DEDUP
;
1026 uint64_t ms_flush_data_obj
= 0;
1027 if (vd
->vdev_top_zap
!= 0) {
1028 int error
= zap_lookup(spa_meta_objset(vd
->vdev_spa
),
1029 vd
->vdev_top_zap
, VDEV_TOP_ZAP_MS_UNFLUSHED_PHYS_TXGS
,
1030 sizeof (uint64_t), 1, &ms_flush_data_obj
);
1031 if (error
!= ENOENT
) {
1036 (void) printf("\tvdev %10llu %s",
1037 (u_longlong_t
)vd
->vdev_id
, bias_str
);
1039 if (ms_flush_data_obj
!= 0) {
1040 (void) printf(" ms_unflushed_phys object %llu",
1041 (u_longlong_t
)ms_flush_data_obj
);
1044 (void) printf("\n\t%-10s%5llu %-19s %-15s %-12s\n",
1045 "metaslabs", (u_longlong_t
)vd
->vdev_ms_count
,
1046 "offset", "spacemap", "free");
1047 (void) printf("\t%15s %19s %15s %12s\n",
1048 "---------------", "-------------------",
1049 "---------------", "------------");
1053 dump_metaslab_groups(spa_t
*spa
)
1055 vdev_t
*rvd
= spa
->spa_root_vdev
;
1056 metaslab_class_t
*mc
= spa_normal_class(spa
);
1057 uint64_t fragmentation
;
1059 metaslab_class_histogram_verify(mc
);
1061 for (unsigned c
= 0; c
< rvd
->vdev_children
; c
++) {
1062 vdev_t
*tvd
= rvd
->vdev_child
[c
];
1063 metaslab_group_t
*mg
= tvd
->vdev_mg
;
1065 if (mg
== NULL
|| mg
->mg_class
!= mc
)
1068 metaslab_group_histogram_verify(mg
);
1069 mg
->mg_fragmentation
= metaslab_group_fragmentation(mg
);
1071 (void) printf("\tvdev %10llu\t\tmetaslabs%5llu\t\t"
1073 (u_longlong_t
)tvd
->vdev_id
,
1074 (u_longlong_t
)tvd
->vdev_ms_count
);
1075 if (mg
->mg_fragmentation
== ZFS_FRAG_INVALID
) {
1076 (void) printf("%3s\n", "-");
1078 (void) printf("%3llu%%\n",
1079 (u_longlong_t
)mg
->mg_fragmentation
);
1081 dump_histogram(mg
->mg_histogram
, RANGE_TREE_HISTOGRAM_SIZE
, 0);
1084 (void) printf("\tpool %s\tfragmentation", spa_name(spa
));
1085 fragmentation
= metaslab_class_fragmentation(mc
);
1086 if (fragmentation
== ZFS_FRAG_INVALID
)
1087 (void) printf("\t%3s\n", "-");
1089 (void) printf("\t%3llu%%\n", (u_longlong_t
)fragmentation
);
1090 dump_histogram(mc
->mc_histogram
, RANGE_TREE_HISTOGRAM_SIZE
, 0);
1094 print_vdev_indirect(vdev_t
*vd
)
1096 vdev_indirect_config_t
*vic
= &vd
->vdev_indirect_config
;
1097 vdev_indirect_mapping_t
*vim
= vd
->vdev_indirect_mapping
;
1098 vdev_indirect_births_t
*vib
= vd
->vdev_indirect_births
;
1101 ASSERT3P(vib
, ==, NULL
);
1105 ASSERT3U(vdev_indirect_mapping_object(vim
), ==,
1106 vic
->vic_mapping_object
);
1107 ASSERT3U(vdev_indirect_births_object(vib
), ==,
1108 vic
->vic_births_object
);
1110 (void) printf("indirect births obj %llu:\n",
1111 (longlong_t
)vic
->vic_births_object
);
1112 (void) printf(" vib_count = %llu\n",
1113 (longlong_t
)vdev_indirect_births_count(vib
));
1114 for (uint64_t i
= 0; i
< vdev_indirect_births_count(vib
); i
++) {
1115 vdev_indirect_birth_entry_phys_t
*cur_vibe
=
1116 &vib
->vib_entries
[i
];
1117 (void) printf("\toffset %llx -> txg %llu\n",
1118 (longlong_t
)cur_vibe
->vibe_offset
,
1119 (longlong_t
)cur_vibe
->vibe_phys_birth_txg
);
1121 (void) printf("\n");
1123 (void) printf("indirect mapping obj %llu:\n",
1124 (longlong_t
)vic
->vic_mapping_object
);
1125 (void) printf(" vim_max_offset = 0x%llx\n",
1126 (longlong_t
)vdev_indirect_mapping_max_offset(vim
));
1127 (void) printf(" vim_bytes_mapped = 0x%llx\n",
1128 (longlong_t
)vdev_indirect_mapping_bytes_mapped(vim
));
1129 (void) printf(" vim_count = %llu\n",
1130 (longlong_t
)vdev_indirect_mapping_num_entries(vim
));
1132 if (dump_opt
['d'] <= 5 && dump_opt
['m'] <= 3)
1135 uint32_t *counts
= vdev_indirect_mapping_load_obsolete_counts(vim
);
1137 for (uint64_t i
= 0; i
< vdev_indirect_mapping_num_entries(vim
); i
++) {
1138 vdev_indirect_mapping_entry_phys_t
*vimep
=
1139 &vim
->vim_entries
[i
];
1140 (void) printf("\t<%llx:%llx:%llx> -> "
1141 "<%llx:%llx:%llx> (%x obsolete)\n",
1142 (longlong_t
)vd
->vdev_id
,
1143 (longlong_t
)DVA_MAPPING_GET_SRC_OFFSET(vimep
),
1144 (longlong_t
)DVA_GET_ASIZE(&vimep
->vimep_dst
),
1145 (longlong_t
)DVA_GET_VDEV(&vimep
->vimep_dst
),
1146 (longlong_t
)DVA_GET_OFFSET(&vimep
->vimep_dst
),
1147 (longlong_t
)DVA_GET_ASIZE(&vimep
->vimep_dst
),
1150 (void) printf("\n");
1152 uint64_t obsolete_sm_object
;
1153 VERIFY0(vdev_obsolete_sm_object(vd
, &obsolete_sm_object
));
1154 if (obsolete_sm_object
!= 0) {
1155 objset_t
*mos
= vd
->vdev_spa
->spa_meta_objset
;
1156 (void) printf("obsolete space map object %llu:\n",
1157 (u_longlong_t
)obsolete_sm_object
);
1158 ASSERT(vd
->vdev_obsolete_sm
!= NULL
);
1159 ASSERT3U(space_map_object(vd
->vdev_obsolete_sm
), ==,
1160 obsolete_sm_object
);
1161 dump_spacemap(mos
, vd
->vdev_obsolete_sm
);
1162 (void) printf("\n");
1167 dump_metaslabs(spa_t
*spa
)
1169 vdev_t
*vd
, *rvd
= spa
->spa_root_vdev
;
1170 uint64_t m
, c
= 0, children
= rvd
->vdev_children
;
1172 (void) printf("\nMetaslabs:\n");
1174 if (!dump_opt
['d'] && zopt_objects
> 0) {
1178 (void) fatal("bad vdev id: %llu", (u_longlong_t
)c
);
1180 if (zopt_objects
> 1) {
1181 vd
= rvd
->vdev_child
[c
];
1182 print_vdev_metaslab_header(vd
);
1184 for (m
= 1; m
< zopt_objects
; m
++) {
1185 if (zopt_object
[m
] < vd
->vdev_ms_count
)
1187 vd
->vdev_ms
[zopt_object
[m
]]);
1189 (void) fprintf(stderr
, "bad metaslab "
1191 (u_longlong_t
)zopt_object
[m
]);
1193 (void) printf("\n");
1198 for (; c
< children
; c
++) {
1199 vd
= rvd
->vdev_child
[c
];
1200 print_vdev_metaslab_header(vd
);
1202 print_vdev_indirect(vd
);
1204 for (m
= 0; m
< vd
->vdev_ms_count
; m
++)
1205 dump_metaslab(vd
->vdev_ms
[m
]);
1206 (void) printf("\n");
1211 dump_log_spacemaps(spa_t
*spa
)
1213 if (!spa_feature_is_active(spa
, SPA_FEATURE_LOG_SPACEMAP
))
1216 (void) printf("\nLog Space Maps in Pool:\n");
1217 for (spa_log_sm_t
*sls
= avl_first(&spa
->spa_sm_logs_by_txg
);
1218 sls
; sls
= AVL_NEXT(&spa
->spa_sm_logs_by_txg
, sls
)) {
1219 space_map_t
*sm
= NULL
;
1220 VERIFY0(space_map_open(&sm
, spa_meta_objset(spa
),
1221 sls
->sls_sm_obj
, 0, UINT64_MAX
, SPA_MINBLOCKSHIFT
));
1223 (void) printf("Log Spacemap object %llu txg %llu\n",
1224 (u_longlong_t
)sls
->sls_sm_obj
, (u_longlong_t
)sls
->sls_txg
);
1225 dump_spacemap(spa
->spa_meta_objset
, sm
);
1226 space_map_close(sm
);
1228 (void) printf("\n");
1232 dump_dde(const ddt_t
*ddt
, const ddt_entry_t
*dde
, uint64_t index
)
1234 const ddt_phys_t
*ddp
= dde
->dde_phys
;
1235 const ddt_key_t
*ddk
= &dde
->dde_key
;
1236 const char *types
[4] = { "ditto", "single", "double", "triple" };
1237 char blkbuf
[BP_SPRINTF_LEN
];
1241 for (p
= 0; p
< DDT_PHYS_TYPES
; p
++, ddp
++) {
1242 if (ddp
->ddp_phys_birth
== 0)
1244 ddt_bp_create(ddt
->ddt_checksum
, ddk
, ddp
, &blk
);
1245 snprintf_blkptr(blkbuf
, sizeof (blkbuf
), &blk
);
1246 (void) printf("index %llx refcnt %llu %s %s\n",
1247 (u_longlong_t
)index
, (u_longlong_t
)ddp
->ddp_refcnt
,
1253 dump_dedup_ratio(const ddt_stat_t
*dds
)
1255 double rL
, rP
, rD
, D
, dedup
, compress
, copies
;
1257 if (dds
->dds_blocks
== 0)
1260 rL
= (double)dds
->dds_ref_lsize
;
1261 rP
= (double)dds
->dds_ref_psize
;
1262 rD
= (double)dds
->dds_ref_dsize
;
1263 D
= (double)dds
->dds_dsize
;
1269 (void) printf("dedup = %.2f, compress = %.2f, copies = %.2f, "
1270 "dedup * compress / copies = %.2f\n\n",
1271 dedup
, compress
, copies
, dedup
* compress
/ copies
);
1275 dump_ddt(ddt_t
*ddt
, enum ddt_type type
, enum ddt_class
class)
1277 char name
[DDT_NAMELEN
];
1280 dmu_object_info_t doi
;
1281 uint64_t count
, dspace
, mspace
;
1284 error
= ddt_object_info(ddt
, type
, class, &doi
);
1286 if (error
== ENOENT
)
1290 error
= ddt_object_count(ddt
, type
, class, &count
);
1295 dspace
= doi
.doi_physical_blocks_512
<< 9;
1296 mspace
= doi
.doi_fill_count
* doi
.doi_data_block_size
;
1298 ddt_object_name(ddt
, type
, class, name
);
1300 (void) printf("%s: %llu entries, size %llu on disk, %llu in core\n",
1302 (u_longlong_t
)count
,
1303 (u_longlong_t
)(dspace
/ count
),
1304 (u_longlong_t
)(mspace
/ count
));
1306 if (dump_opt
['D'] < 3)
1309 zpool_dump_ddt(NULL
, &ddt
->ddt_histogram
[type
][class]);
1311 if (dump_opt
['D'] < 4)
1314 if (dump_opt
['D'] < 5 && class == DDT_CLASS_UNIQUE
)
1317 (void) printf("%s contents:\n\n", name
);
1319 while ((error
= ddt_object_walk(ddt
, type
, class, &walk
, &dde
)) == 0)
1320 dump_dde(ddt
, &dde
, walk
);
1322 ASSERT3U(error
, ==, ENOENT
);
1324 (void) printf("\n");
1328 dump_all_ddts(spa_t
*spa
)
1330 ddt_histogram_t ddh_total
;
1331 ddt_stat_t dds_total
;
1333 bzero(&ddh_total
, sizeof (ddh_total
));
1334 bzero(&dds_total
, sizeof (dds_total
));
1336 for (enum zio_checksum c
= 0; c
< ZIO_CHECKSUM_FUNCTIONS
; c
++) {
1337 ddt_t
*ddt
= spa
->spa_ddt
[c
];
1338 for (enum ddt_type type
= 0; type
< DDT_TYPES
; type
++) {
1339 for (enum ddt_class
class = 0; class < DDT_CLASSES
;
1341 dump_ddt(ddt
, type
, class);
1346 ddt_get_dedup_stats(spa
, &dds_total
);
1348 if (dds_total
.dds_blocks
== 0) {
1349 (void) printf("All DDTs are empty\n");
1353 (void) printf("\n");
1355 if (dump_opt
['D'] > 1) {
1356 (void) printf("DDT histogram (aggregated over all DDTs):\n");
1357 ddt_get_dedup_histogram(spa
, &ddh_total
);
1358 zpool_dump_ddt(&dds_total
, &ddh_total
);
1361 dump_dedup_ratio(&dds_total
);
1365 dump_dtl_seg(void *arg
, uint64_t start
, uint64_t size
)
1369 (void) printf("%s [%llu,%llu) length %llu\n",
1371 (u_longlong_t
)start
,
1372 (u_longlong_t
)(start
+ size
),
1373 (u_longlong_t
)(size
));
1377 dump_dtl(vdev_t
*vd
, int indent
)
1379 spa_t
*spa
= vd
->vdev_spa
;
1381 const char *name
[DTL_TYPES
] = { "missing", "partial", "scrub",
1385 spa_vdev_state_enter(spa
, SCL_NONE
);
1386 required
= vdev_dtl_required(vd
);
1387 (void) spa_vdev_state_exit(spa
, NULL
, 0);
1390 (void) printf("\nDirty time logs:\n\n");
1392 (void) printf("\t%*s%s [%s]\n", indent
, "",
1393 vd
->vdev_path
? vd
->vdev_path
:
1394 vd
->vdev_parent
? vd
->vdev_ops
->vdev_op_type
: spa_name(spa
),
1395 required
? "DTL-required" : "DTL-expendable");
1397 for (int t
= 0; t
< DTL_TYPES
; t
++) {
1398 range_tree_t
*rt
= vd
->vdev_dtl
[t
];
1399 if (range_tree_space(rt
) == 0)
1401 (void) snprintf(prefix
, sizeof (prefix
), "\t%*s%s",
1402 indent
+ 2, "", name
[t
]);
1403 range_tree_walk(rt
, dump_dtl_seg
, prefix
);
1404 if (dump_opt
['d'] > 5 && vd
->vdev_children
== 0)
1405 dump_spacemap(spa
->spa_meta_objset
,
1409 for (unsigned c
= 0; c
< vd
->vdev_children
; c
++)
1410 dump_dtl(vd
->vdev_child
[c
], indent
+ 4);
1414 dump_history(spa_t
*spa
)
1416 nvlist_t
**events
= NULL
;
1418 uint64_t resid
, len
, off
= 0;
1424 char internalstr
[MAXPATHLEN
];
1426 if ((buf
= malloc(SPA_OLD_MAXBLOCKSIZE
)) == NULL
) {
1427 (void) fprintf(stderr
, "%s: unable to allocate I/O buffer\n",
1433 len
= SPA_OLD_MAXBLOCKSIZE
;
1435 if ((error
= spa_history_get(spa
, &off
, &len
, buf
)) != 0) {
1436 (void) fprintf(stderr
, "Unable to read history: "
1437 "error %d\n", error
);
1442 if (zpool_history_unpack(buf
, len
, &resid
, &events
, &num
) != 0)
1448 (void) printf("\nHistory:\n");
1449 for (unsigned i
= 0; i
< num
; i
++) {
1450 uint64_t time
, txg
, ievent
;
1452 boolean_t printed
= B_FALSE
;
1454 if (nvlist_lookup_uint64(events
[i
], ZPOOL_HIST_TIME
,
1457 if (nvlist_lookup_string(events
[i
], ZPOOL_HIST_CMD
,
1459 if (nvlist_lookup_uint64(events
[i
],
1460 ZPOOL_HIST_INT_EVENT
, &ievent
) != 0)
1462 verify(nvlist_lookup_uint64(events
[i
],
1463 ZPOOL_HIST_TXG
, &txg
) == 0);
1464 verify(nvlist_lookup_string(events
[i
],
1465 ZPOOL_HIST_INT_STR
, &intstr
) == 0);
1466 if (ievent
>= ZFS_NUM_LEGACY_HISTORY_EVENTS
)
1469 (void) snprintf(internalstr
,
1470 sizeof (internalstr
),
1471 "[internal %s txg:%lld] %s",
1472 zfs_history_event_names
[ievent
],
1473 (longlong_t
)txg
, intstr
);
1477 (void) localtime_r(&tsec
, &t
);
1478 (void) strftime(tbuf
, sizeof (tbuf
), "%F.%T", &t
);
1479 (void) printf("%s %s\n", tbuf
, cmd
);
1483 if (dump_opt
['h'] > 1) {
1485 (void) printf("unrecognized record:\n");
1486 dump_nvlist(events
[i
], 2);
1494 dump_dnode(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
1499 blkid2offset(const dnode_phys_t
*dnp
, const blkptr_t
*bp
,
1500 const zbookmark_phys_t
*zb
)
1503 ASSERT(zb
->zb_level
< 0);
1504 if (zb
->zb_object
== 0)
1505 return (zb
->zb_blkid
);
1506 return (zb
->zb_blkid
* BP_GET_LSIZE(bp
));
1509 ASSERT(zb
->zb_level
>= 0);
1511 return ((zb
->zb_blkid
<<
1512 (zb
->zb_level
* (dnp
->dn_indblkshift
- SPA_BLKPTRSHIFT
))) *
1513 dnp
->dn_datablkszsec
<< SPA_MINBLOCKSHIFT
);
1517 snprintf_blkptr_compact(char *blkbuf
, size_t buflen
, const blkptr_t
*bp
,
1520 const dva_t
*dva
= bp
->blk_dva
;
1521 int ndvas
= dump_opt
['d'] > 5 ? BP_GET_NDVAS(bp
) : 1;
1524 if (dump_opt
['b'] >= 6) {
1525 snprintf_blkptr(blkbuf
, buflen
, bp
);
1527 (void) snprintf(blkbuf
+ strlen(blkbuf
),
1528 buflen
- strlen(blkbuf
), " %s", "FREE");
1533 if (BP_IS_EMBEDDED(bp
)) {
1534 (void) sprintf(blkbuf
,
1535 "EMBEDDED et=%u %llxL/%llxP B=%llu",
1536 (int)BPE_GET_ETYPE(bp
),
1537 (u_longlong_t
)BPE_GET_LSIZE(bp
),
1538 (u_longlong_t
)BPE_GET_PSIZE(bp
),
1539 (u_longlong_t
)bp
->blk_birth
);
1545 for (i
= 0; i
< ndvas
; i
++)
1546 (void) snprintf(blkbuf
+ strlen(blkbuf
),
1547 buflen
- strlen(blkbuf
), "%llu:%llx:%llx ",
1548 (u_longlong_t
)DVA_GET_VDEV(&dva
[i
]),
1549 (u_longlong_t
)DVA_GET_OFFSET(&dva
[i
]),
1550 (u_longlong_t
)DVA_GET_ASIZE(&dva
[i
]));
1552 if (BP_IS_HOLE(bp
)) {
1553 (void) snprintf(blkbuf
+ strlen(blkbuf
),
1554 buflen
- strlen(blkbuf
),
1556 (u_longlong_t
)BP_GET_LSIZE(bp
),
1557 (u_longlong_t
)bp
->blk_birth
);
1559 (void) snprintf(blkbuf
+ strlen(blkbuf
),
1560 buflen
- strlen(blkbuf
),
1561 "%llxL/%llxP F=%llu B=%llu/%llu",
1562 (u_longlong_t
)BP_GET_LSIZE(bp
),
1563 (u_longlong_t
)BP_GET_PSIZE(bp
),
1564 (u_longlong_t
)BP_GET_FILL(bp
),
1565 (u_longlong_t
)bp
->blk_birth
,
1566 (u_longlong_t
)BP_PHYSICAL_BIRTH(bp
));
1568 (void) snprintf(blkbuf
+ strlen(blkbuf
),
1569 buflen
- strlen(blkbuf
), " %s", "FREE");
1574 print_indirect(blkptr_t
*bp
, const zbookmark_phys_t
*zb
,
1575 const dnode_phys_t
*dnp
)
1577 char blkbuf
[BP_SPRINTF_LEN
];
1580 if (!BP_IS_EMBEDDED(bp
)) {
1581 ASSERT3U(BP_GET_TYPE(bp
), ==, dnp
->dn_type
);
1582 ASSERT3U(BP_GET_LEVEL(bp
), ==, zb
->zb_level
);
1585 (void) printf("%16llx ", (u_longlong_t
)blkid2offset(dnp
, bp
, zb
));
1587 ASSERT(zb
->zb_level
>= 0);
1589 for (l
= dnp
->dn_nlevels
- 1; l
>= -1; l
--) {
1590 if (l
== zb
->zb_level
) {
1591 (void) printf("L%llx", (u_longlong_t
)zb
->zb_level
);
1597 snprintf_blkptr_compact(blkbuf
, sizeof (blkbuf
), bp
, B_FALSE
);
1598 (void) printf("%s\n", blkbuf
);
1602 visit_indirect(spa_t
*spa
, const dnode_phys_t
*dnp
,
1603 blkptr_t
*bp
, const zbookmark_phys_t
*zb
)
1607 if (bp
->blk_birth
== 0)
1610 print_indirect(bp
, zb
, dnp
);
1612 if (BP_GET_LEVEL(bp
) > 0 && !BP_IS_HOLE(bp
)) {
1613 arc_flags_t flags
= ARC_FLAG_WAIT
;
1616 int epb
= BP_GET_LSIZE(bp
) >> SPA_BLKPTRSHIFT
;
1619 ASSERT(!BP_IS_REDACTED(bp
));
1621 err
= arc_read(NULL
, spa
, bp
, arc_getbuf_func
, &buf
,
1622 ZIO_PRIORITY_ASYNC_READ
, ZIO_FLAG_CANFAIL
, &flags
, zb
);
1625 ASSERT(buf
->b_data
);
1627 /* recursively visit blocks below this */
1629 for (i
= 0; i
< epb
; i
++, cbp
++) {
1630 zbookmark_phys_t czb
;
1632 SET_BOOKMARK(&czb
, zb
->zb_objset
, zb
->zb_object
,
1634 zb
->zb_blkid
* epb
+ i
);
1635 err
= visit_indirect(spa
, dnp
, cbp
, &czb
);
1638 fill
+= BP_GET_FILL(cbp
);
1641 ASSERT3U(fill
, ==, BP_GET_FILL(bp
));
1642 arc_buf_destroy(buf
, &buf
);
1650 dump_indirect(dnode_t
*dn
)
1652 dnode_phys_t
*dnp
= dn
->dn_phys
;
1654 zbookmark_phys_t czb
;
1656 (void) printf("Indirect blocks:\n");
1658 SET_BOOKMARK(&czb
, dmu_objset_id(dn
->dn_objset
),
1659 dn
->dn_object
, dnp
->dn_nlevels
- 1, 0);
1660 for (j
= 0; j
< dnp
->dn_nblkptr
; j
++) {
1662 (void) visit_indirect(dmu_objset_spa(dn
->dn_objset
), dnp
,
1663 &dnp
->dn_blkptr
[j
], &czb
);
1666 (void) printf("\n");
1671 dump_dsl_dir(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
1673 dsl_dir_phys_t
*dd
= data
;
1677 /* make sure nicenum has enough space */
1678 CTASSERT(sizeof (nice
) >= NN_NUMBUF_SZ
);
1683 ASSERT3U(size
, >=, sizeof (dsl_dir_phys_t
));
1685 crtime
= dd
->dd_creation_time
;
1686 (void) printf("\t\tcreation_time = %s", ctime(&crtime
));
1687 (void) printf("\t\thead_dataset_obj = %llu\n",
1688 (u_longlong_t
)dd
->dd_head_dataset_obj
);
1689 (void) printf("\t\tparent_dir_obj = %llu\n",
1690 (u_longlong_t
)dd
->dd_parent_obj
);
1691 (void) printf("\t\torigin_obj = %llu\n",
1692 (u_longlong_t
)dd
->dd_origin_obj
);
1693 (void) printf("\t\tchild_dir_zapobj = %llu\n",
1694 (u_longlong_t
)dd
->dd_child_dir_zapobj
);
1695 zdb_nicenum(dd
->dd_used_bytes
, nice
, sizeof (nice
));
1696 (void) printf("\t\tused_bytes = %s\n", nice
);
1697 zdb_nicenum(dd
->dd_compressed_bytes
, nice
, sizeof (nice
));
1698 (void) printf("\t\tcompressed_bytes = %s\n", nice
);
1699 zdb_nicenum(dd
->dd_uncompressed_bytes
, nice
, sizeof (nice
));
1700 (void) printf("\t\tuncompressed_bytes = %s\n", nice
);
1701 zdb_nicenum(dd
->dd_quota
, nice
, sizeof (nice
));
1702 (void) printf("\t\tquota = %s\n", nice
);
1703 zdb_nicenum(dd
->dd_reserved
, nice
, sizeof (nice
));
1704 (void) printf("\t\treserved = %s\n", nice
);
1705 (void) printf("\t\tprops_zapobj = %llu\n",
1706 (u_longlong_t
)dd
->dd_props_zapobj
);
1707 (void) printf("\t\tdeleg_zapobj = %llu\n",
1708 (u_longlong_t
)dd
->dd_deleg_zapobj
);
1709 (void) printf("\t\tflags = %llx\n",
1710 (u_longlong_t
)dd
->dd_flags
);
1713 zdb_nicenum(dd->dd_used_breakdown[DD_USED_ ## which], nice, \
1715 (void) printf("\t\tused_breakdown[" #which "] = %s\n", nice)
1722 (void) printf("\t\tclones = %llu\n",
1723 (u_longlong_t
)dd
->dd_clones
);
1728 dump_dsl_dataset(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
1730 dsl_dataset_phys_t
*ds
= data
;
1732 char used
[32], compressed
[32], uncompressed
[32], unique
[32];
1733 char blkbuf
[BP_SPRINTF_LEN
];
1735 /* make sure nicenum has enough space */
1736 CTASSERT(sizeof (used
) >= NN_NUMBUF_SZ
);
1737 CTASSERT(sizeof (compressed
) >= NN_NUMBUF_SZ
);
1738 CTASSERT(sizeof (uncompressed
) >= NN_NUMBUF_SZ
);
1739 CTASSERT(sizeof (unique
) >= NN_NUMBUF_SZ
);
1744 ASSERT(size
== sizeof (*ds
));
1745 crtime
= ds
->ds_creation_time
;
1746 zdb_nicenum(ds
->ds_referenced_bytes
, used
, sizeof (used
));
1747 zdb_nicenum(ds
->ds_compressed_bytes
, compressed
, sizeof (compressed
));
1748 zdb_nicenum(ds
->ds_uncompressed_bytes
, uncompressed
,
1749 sizeof (uncompressed
));
1750 zdb_nicenum(ds
->ds_unique_bytes
, unique
, sizeof (unique
));
1751 snprintf_blkptr(blkbuf
, sizeof (blkbuf
), &ds
->ds_bp
);
1753 (void) printf("\t\tdir_obj = %llu\n",
1754 (u_longlong_t
)ds
->ds_dir_obj
);
1755 (void) printf("\t\tprev_snap_obj = %llu\n",
1756 (u_longlong_t
)ds
->ds_prev_snap_obj
);
1757 (void) printf("\t\tprev_snap_txg = %llu\n",
1758 (u_longlong_t
)ds
->ds_prev_snap_txg
);
1759 (void) printf("\t\tnext_snap_obj = %llu\n",
1760 (u_longlong_t
)ds
->ds_next_snap_obj
);
1761 (void) printf("\t\tsnapnames_zapobj = %llu\n",
1762 (u_longlong_t
)ds
->ds_snapnames_zapobj
);
1763 (void) printf("\t\tnum_children = %llu\n",
1764 (u_longlong_t
)ds
->ds_num_children
);
1765 (void) printf("\t\tuserrefs_obj = %llu\n",
1766 (u_longlong_t
)ds
->ds_userrefs_obj
);
1767 (void) printf("\t\tcreation_time = %s", ctime(&crtime
));
1768 (void) printf("\t\tcreation_txg = %llu\n",
1769 (u_longlong_t
)ds
->ds_creation_txg
);
1770 (void) printf("\t\tdeadlist_obj = %llu\n",
1771 (u_longlong_t
)ds
->ds_deadlist_obj
);
1772 (void) printf("\t\tused_bytes = %s\n", used
);
1773 (void) printf("\t\tcompressed_bytes = %s\n", compressed
);
1774 (void) printf("\t\tuncompressed_bytes = %s\n", uncompressed
);
1775 (void) printf("\t\tunique = %s\n", unique
);
1776 (void) printf("\t\tfsid_guid = %llu\n",
1777 (u_longlong_t
)ds
->ds_fsid_guid
);
1778 (void) printf("\t\tguid = %llu\n",
1779 (u_longlong_t
)ds
->ds_guid
);
1780 (void) printf("\t\tflags = %llx\n",
1781 (u_longlong_t
)ds
->ds_flags
);
1782 (void) printf("\t\tnext_clones_obj = %llu\n",
1783 (u_longlong_t
)ds
->ds_next_clones_obj
);
1784 (void) printf("\t\tprops_obj = %llu\n",
1785 (u_longlong_t
)ds
->ds_props_obj
);
1786 (void) printf("\t\tbp = %s\n", blkbuf
);
1791 dump_bptree_cb(void *arg
, const blkptr_t
*bp
, dmu_tx_t
*tx
)
1793 char blkbuf
[BP_SPRINTF_LEN
];
1795 if (bp
->blk_birth
!= 0) {
1796 snprintf_blkptr(blkbuf
, sizeof (blkbuf
), bp
);
1797 (void) printf("\t%s\n", blkbuf
);
1803 dump_bptree(objset_t
*os
, uint64_t obj
, const char *name
)
1809 /* make sure nicenum has enough space */
1810 CTASSERT(sizeof (bytes
) >= NN_NUMBUF_SZ
);
1812 if (dump_opt
['d'] < 3)
1815 VERIFY3U(0, ==, dmu_bonus_hold(os
, obj
, FTAG
, &db
));
1817 zdb_nicenum(bt
->bt_bytes
, bytes
, sizeof (bytes
));
1818 (void) printf("\n %s: %llu datasets, %s\n",
1819 name
, (unsigned long long)(bt
->bt_end
- bt
->bt_begin
), bytes
);
1820 dmu_buf_rele(db
, FTAG
);
1822 if (dump_opt
['d'] < 5)
1825 (void) printf("\n");
1827 (void) bptree_iterate(os
, obj
, B_FALSE
, dump_bptree_cb
, NULL
, NULL
);
1832 dump_bpobj_cb(void *arg
, const blkptr_t
*bp
, boolean_t bp_freed
, dmu_tx_t
*tx
)
1834 char blkbuf
[BP_SPRINTF_LEN
];
1836 ASSERT(bp
->blk_birth
!= 0);
1837 snprintf_blkptr_compact(blkbuf
, sizeof (blkbuf
), bp
, bp_freed
);
1838 (void) printf("\t%s\n", blkbuf
);
1843 dump_full_bpobj(bpobj_t
*bpo
, const char *name
, int indent
)
1850 /* make sure nicenum has enough space */
1851 CTASSERT(sizeof (bytes
) >= NN_NUMBUF_SZ
);
1852 CTASSERT(sizeof (comp
) >= NN_NUMBUF_SZ
);
1853 CTASSERT(sizeof (uncomp
) >= NN_NUMBUF_SZ
);
1855 if (dump_opt
['d'] < 3)
1858 zdb_nicenum(bpo
->bpo_phys
->bpo_bytes
, bytes
, sizeof (bytes
));
1859 if (bpo
->bpo_havesubobj
&& bpo
->bpo_phys
->bpo_subobjs
!= 0) {
1860 zdb_nicenum(bpo
->bpo_phys
->bpo_comp
, comp
, sizeof (comp
));
1861 zdb_nicenum(bpo
->bpo_phys
->bpo_uncomp
, uncomp
, sizeof (uncomp
));
1862 if (bpo
->bpo_havefreed
) {
1863 (void) printf(" %*s: object %llu, %llu local "
1864 "blkptrs, %llu freed, %llu subobjs in object %llu, "
1865 "%s (%s/%s comp)\n",
1867 (u_longlong_t
)bpo
->bpo_object
,
1868 (u_longlong_t
)bpo
->bpo_phys
->bpo_num_blkptrs
,
1869 (u_longlong_t
)bpo
->bpo_phys
->bpo_num_freed
,
1870 (u_longlong_t
)bpo
->bpo_phys
->bpo_num_subobjs
,
1871 (u_longlong_t
)bpo
->bpo_phys
->bpo_subobjs
,
1872 bytes
, comp
, uncomp
);
1874 (void) printf(" %*s: object %llu, %llu local "
1875 "blkptrs, %llu subobjs in object %llu, "
1876 "%s (%s/%s comp)\n",
1878 (u_longlong_t
)bpo
->bpo_object
,
1879 (u_longlong_t
)bpo
->bpo_phys
->bpo_num_blkptrs
,
1880 (u_longlong_t
)bpo
->bpo_phys
->bpo_num_subobjs
,
1881 (u_longlong_t
)bpo
->bpo_phys
->bpo_subobjs
,
1882 bytes
, comp
, uncomp
);
1885 for (i
= 0; i
< bpo
->bpo_phys
->bpo_num_subobjs
; i
++) {
1889 VERIFY0(dmu_read(bpo
->bpo_os
,
1890 bpo
->bpo_phys
->bpo_subobjs
,
1891 i
* sizeof (subobj
), sizeof (subobj
), &subobj
, 0));
1892 error
= bpobj_open(&subbpo
, bpo
->bpo_os
, subobj
);
1894 (void) printf("ERROR %u while trying to open "
1896 error
, (u_longlong_t
)subobj
);
1899 dump_full_bpobj(&subbpo
, "subobj", indent
+ 1);
1900 bpobj_close(&subbpo
);
1903 if (bpo
->bpo_havefreed
) {
1904 (void) printf(" %*s: object %llu, %llu blkptrs, "
1907 (u_longlong_t
)bpo
->bpo_object
,
1908 (u_longlong_t
)bpo
->bpo_phys
->bpo_num_blkptrs
,
1909 (u_longlong_t
)bpo
->bpo_phys
->bpo_num_freed
,
1912 (void) printf(" %*s: object %llu, %llu blkptrs, "
1915 (u_longlong_t
)bpo
->bpo_object
,
1916 (u_longlong_t
)bpo
->bpo_phys
->bpo_num_blkptrs
,
1921 if (dump_opt
['d'] < 5)
1926 (void) bpobj_iterate_nofree(bpo
, dump_bpobj_cb
, NULL
, NULL
);
1927 (void) printf("\n");
1932 dump_bookmark(dsl_pool_t
*dp
, char *name
, boolean_t print_redact
,
1933 boolean_t print_list
)
1936 zfs_bookmark_phys_t prop
;
1937 objset_t
*mos
= dp
->dp_spa
->spa_meta_objset
;
1938 err
= dsl_bookmark_lookup(dp
, name
, NULL
, &prop
);
1944 (void) printf("\t#%s: ", strchr(name
, '#') + 1);
1945 (void) printf("{guid: %llx creation_txg: %llu creation_time: "
1946 "%llu redaction_obj: %llu}\n", (u_longlong_t
)prop
.zbm_guid
,
1947 (u_longlong_t
)prop
.zbm_creation_txg
,
1948 (u_longlong_t
)prop
.zbm_creation_time
,
1949 (u_longlong_t
)prop
.zbm_redaction_obj
);
1951 IMPLY(print_list
, print_redact
);
1952 if (!print_redact
|| prop
.zbm_redaction_obj
== 0)
1955 redaction_list_t
*rl
;
1956 VERIFY0(dsl_redaction_list_hold_obj(dp
,
1957 prop
.zbm_redaction_obj
, FTAG
, &rl
));
1959 redaction_list_phys_t
*rlp
= rl
->rl_phys
;
1960 (void) printf("\tRedacted:\n\t\tProgress: ");
1961 if (rlp
->rlp_last_object
!= UINT64_MAX
||
1962 rlp
->rlp_last_blkid
!= UINT64_MAX
) {
1963 (void) printf("%llu %llu (incomplete)\n",
1964 (u_longlong_t
)rlp
->rlp_last_object
,
1965 (u_longlong_t
)rlp
->rlp_last_blkid
);
1967 (void) printf("complete\n");
1969 (void) printf("\t\tSnapshots: [");
1970 for (unsigned int i
= 0; i
< rlp
->rlp_num_snaps
; i
++) {
1972 (void) printf(", ");
1973 (void) printf("%0llu",
1974 (u_longlong_t
)rlp
->rlp_snaps
[i
]);
1976 (void) printf("]\n\t\tLength: %llu\n",
1977 (u_longlong_t
)rlp
->rlp_num_entries
);
1980 dsl_redaction_list_rele(rl
, FTAG
);
1984 if (rlp
->rlp_num_entries
== 0) {
1985 dsl_redaction_list_rele(rl
, FTAG
);
1986 (void) printf("\t\tRedaction List: []\n\n");
1990 redact_block_phys_t
*rbp_buf
;
1992 dmu_object_info_t doi
;
1994 VERIFY0(dmu_object_info(mos
, prop
.zbm_redaction_obj
, &doi
));
1995 size
= doi
.doi_max_offset
;
1996 rbp_buf
= kmem_alloc(size
, KM_SLEEP
);
1998 err
= dmu_read(mos
, prop
.zbm_redaction_obj
, 0, size
,
2001 dsl_redaction_list_rele(rl
, FTAG
);
2002 kmem_free(rbp_buf
, size
);
2006 (void) printf("\t\tRedaction List: [{object: %llx, offset: "
2007 "%llx, blksz: %x, count: %llx}",
2008 (u_longlong_t
)rbp_buf
[0].rbp_object
,
2009 (u_longlong_t
)rbp_buf
[0].rbp_blkid
,
2010 (uint_t
)(redact_block_get_size(&rbp_buf
[0])),
2011 (u_longlong_t
)redact_block_get_count(&rbp_buf
[0]));
2013 for (size_t i
= 1; i
< rlp
->rlp_num_entries
; i
++) {
2014 (void) printf(",\n\t\t{object: %llx, offset: %llx, "
2015 "blksz: %x, count: %llx}",
2016 (u_longlong_t
)rbp_buf
[i
].rbp_object
,
2017 (u_longlong_t
)rbp_buf
[i
].rbp_blkid
,
2018 (uint_t
)(redact_block_get_size(&rbp_buf
[i
])),
2019 (u_longlong_t
)redact_block_get_count(&rbp_buf
[i
]));
2021 dsl_redaction_list_rele(rl
, FTAG
);
2022 kmem_free(rbp_buf
, size
);
2023 (void) printf("]\n\n");
2028 dump_bookmarks(objset_t
*os
, int verbosity
)
2031 zap_attribute_t attr
;
2032 dsl_dataset_t
*ds
= dmu_objset_ds(os
);
2033 dsl_pool_t
*dp
= spa_get_dsl(os
->os_spa
);
2034 objset_t
*mos
= os
->os_spa
->spa_meta_objset
;
2037 dsl_pool_config_enter(dp
, FTAG
);
2039 for (zap_cursor_init(&zc
, mos
, ds
->ds_bookmarks_obj
);
2040 zap_cursor_retrieve(&zc
, &attr
) == 0;
2041 zap_cursor_advance(&zc
)) {
2042 char osname
[ZFS_MAX_DATASET_NAME_LEN
];
2043 char buf
[ZFS_MAX_DATASET_NAME_LEN
];
2044 dmu_objset_name(os
, osname
);
2045 VERIFY3S(0, <=, snprintf(buf
, sizeof (buf
), "%s#%s", osname
,
2047 (void) dump_bookmark(dp
, buf
, verbosity
>= 5, verbosity
>= 6);
2049 zap_cursor_fini(&zc
);
2050 dsl_pool_config_exit(dp
, FTAG
);
2054 bpobj_count_refd(bpobj_t
*bpo
)
2056 mos_obj_refd(bpo
->bpo_object
);
2058 if (bpo
->bpo_havesubobj
&& bpo
->bpo_phys
->bpo_subobjs
!= 0) {
2059 mos_obj_refd(bpo
->bpo_phys
->bpo_subobjs
);
2060 for (uint64_t i
= 0; i
< bpo
->bpo_phys
->bpo_num_subobjs
; i
++) {
2064 VERIFY0(dmu_read(bpo
->bpo_os
,
2065 bpo
->bpo_phys
->bpo_subobjs
,
2066 i
* sizeof (subobj
), sizeof (subobj
), &subobj
, 0));
2067 error
= bpobj_open(&subbpo
, bpo
->bpo_os
, subobj
);
2069 (void) printf("ERROR %u while trying to open "
2071 error
, (u_longlong_t
)subobj
);
2074 bpobj_count_refd(&subbpo
);
2075 bpobj_close(&subbpo
);
2081 dsl_deadlist_entry_count_refd(void *arg
, dsl_deadlist_entry_t
*dle
)
2084 uint64_t empty_bpobj
= spa
->spa_dsl_pool
->dp_empty_bpobj
;
2085 if (dle
->dle_bpobj
.bpo_object
!= empty_bpobj
)
2086 bpobj_count_refd(&dle
->dle_bpobj
);
2091 dsl_deadlist_entry_dump(void *arg
, dsl_deadlist_entry_t
*dle
)
2093 ASSERT(arg
== NULL
);
2094 if (dump_opt
['d'] >= 5) {
2096 (void) snprintf(buf
, sizeof (buf
),
2097 "mintxg %llu -> obj %llu",
2098 (longlong_t
)dle
->dle_mintxg
,
2099 (longlong_t
)dle
->dle_bpobj
.bpo_object
);
2101 dump_full_bpobj(&dle
->dle_bpobj
, buf
, 0);
2103 (void) printf("mintxg %llu -> obj %llu\n",
2104 (longlong_t
)dle
->dle_mintxg
,
2105 (longlong_t
)dle
->dle_bpobj
.bpo_object
);
2111 dump_blkptr_list(dsl_deadlist_t
*dl
, char *name
)
2117 spa_t
*spa
= dmu_objset_spa(dl
->dl_os
);
2118 uint64_t empty_bpobj
= spa
->spa_dsl_pool
->dp_empty_bpobj
;
2120 if (dl
->dl_oldfmt
) {
2121 if (dl
->dl_bpobj
.bpo_object
!= empty_bpobj
)
2122 bpobj_count_refd(&dl
->dl_bpobj
);
2124 mos_obj_refd(dl
->dl_object
);
2125 dsl_deadlist_iterate(dl
, dsl_deadlist_entry_count_refd
, spa
);
2128 /* make sure nicenum has enough space */
2129 CTASSERT(sizeof (bytes
) >= NN_NUMBUF_SZ
);
2130 CTASSERT(sizeof (comp
) >= NN_NUMBUF_SZ
);
2131 CTASSERT(sizeof (uncomp
) >= NN_NUMBUF_SZ
);
2132 CTASSERT(sizeof (entries
) >= NN_NUMBUF_SZ
);
2134 if (dump_opt
['d'] < 3)
2137 if (dl
->dl_oldfmt
) {
2138 dump_full_bpobj(&dl
->dl_bpobj
, "old-format deadlist", 0);
2142 zdb_nicenum(dl
->dl_phys
->dl_used
, bytes
, sizeof (bytes
));
2143 zdb_nicenum(dl
->dl_phys
->dl_comp
, comp
, sizeof (comp
));
2144 zdb_nicenum(dl
->dl_phys
->dl_uncomp
, uncomp
, sizeof (uncomp
));
2145 zdb_nicenum(avl_numnodes(&dl
->dl_tree
), entries
, sizeof (entries
));
2146 (void) printf("\n %s: %s (%s/%s comp), %s entries\n",
2147 name
, bytes
, comp
, uncomp
, entries
);
2149 if (dump_opt
['d'] < 4)
2152 (void) printf("\n");
2154 dsl_deadlist_iterate(dl
, dsl_deadlist_entry_dump
, NULL
);
2158 verify_dd_livelist(objset_t
*os
)
2160 uint64_t ll_used
, used
, ll_comp
, comp
, ll_uncomp
, uncomp
;
2161 dsl_pool_t
*dp
= spa_get_dsl(os
->os_spa
);
2162 dsl_dir_t
*dd
= os
->os_dsl_dataset
->ds_dir
;
2164 ASSERT(!dmu_objset_is_snapshot(os
));
2165 if (!dsl_deadlist_is_open(&dd
->dd_livelist
))
2167 dsl_pool_config_enter(dp
, FTAG
);
2168 dsl_deadlist_space(&dd
->dd_livelist
, &ll_used
,
2169 &ll_comp
, &ll_uncomp
);
2171 dsl_dataset_t
*origin_ds
;
2172 ASSERT(dsl_pool_config_held(dp
));
2173 VERIFY0(dsl_dataset_hold_obj(dp
,
2174 dsl_dir_phys(dd
)->dd_origin_obj
, FTAG
, &origin_ds
));
2175 VERIFY0(dsl_dataset_space_written(origin_ds
, os
->os_dsl_dataset
,
2176 &used
, &comp
, &uncomp
));
2177 dsl_dataset_rele(origin_ds
, FTAG
);
2178 dsl_pool_config_exit(dp
, FTAG
);
2180 * It's possible that the dataset's uncomp space is larger than the
2181 * livelist's because livelists do not track embedded block pointers
2183 if (used
!= ll_used
|| comp
!= ll_comp
|| uncomp
< ll_uncomp
) {
2184 char nice_used
[32], nice_comp
[32], nice_uncomp
[32];
2185 (void) printf("Discrepancy in space accounting:\n");
2186 zdb_nicenum(used
, nice_used
, sizeof (nice_used
));
2187 zdb_nicenum(comp
, nice_comp
, sizeof (nice_comp
));
2188 zdb_nicenum(uncomp
, nice_uncomp
, sizeof (nice_uncomp
));
2189 (void) printf("dir: used %s, comp %s, uncomp %s\n",
2190 nice_used
, nice_comp
, nice_uncomp
);
2191 zdb_nicenum(ll_used
, nice_used
, sizeof (nice_used
));
2192 zdb_nicenum(ll_comp
, nice_comp
, sizeof (nice_comp
));
2193 zdb_nicenum(ll_uncomp
, nice_uncomp
, sizeof (nice_uncomp
));
2194 (void) printf("livelist: used %s, comp %s, uncomp %s\n",
2195 nice_used
, nice_comp
, nice_uncomp
);
2201 static avl_tree_t idx_tree
;
2202 static avl_tree_t domain_tree
;
2203 static boolean_t fuid_table_loaded
;
2204 static objset_t
*sa_os
= NULL
;
2205 static sa_attr_type_t
*sa_attr_table
= NULL
;
2208 open_objset(const char *path
, void *tag
, objset_t
**osp
)
2211 uint64_t sa_attrs
= 0;
2212 uint64_t version
= 0;
2214 VERIFY3P(sa_os
, ==, NULL
);
2216 * We can't own an objset if it's redacted. Therefore, we do this
2217 * dance: hold the objset, then acquire a long hold on its dataset, then
2218 * release the pool (which is held as part of holding the objset).
2220 err
= dmu_objset_hold(path
, tag
, osp
);
2222 (void) fprintf(stderr
, "failed to hold dataset '%s': %s\n",
2223 path
, strerror(err
));
2226 dsl_dataset_long_hold(dmu_objset_ds(*osp
), tag
);
2227 dsl_pool_rele(dmu_objset_pool(*osp
), tag
);
2229 if (dmu_objset_type(*osp
) == DMU_OST_ZFS
&& !(*osp
)->os_encrypted
) {
2230 (void) zap_lookup(*osp
, MASTER_NODE_OBJ
, ZPL_VERSION_STR
,
2232 if (version
>= ZPL_VERSION_SA
) {
2233 (void) zap_lookup(*osp
, MASTER_NODE_OBJ
, ZFS_SA_ATTRS
,
2236 err
= sa_setup(*osp
, sa_attrs
, zfs_attr_table
, ZPL_END
,
2239 (void) fprintf(stderr
, "sa_setup failed: %s\n",
2241 dsl_dataset_long_rele(dmu_objset_ds(*osp
), tag
);
2242 dsl_dataset_rele(dmu_objset_ds(*osp
), tag
);
2252 close_objset(objset_t
*os
, void *tag
)
2254 VERIFY3P(os
, ==, sa_os
);
2255 if (os
->os_sa
!= NULL
)
2257 dsl_dataset_long_rele(dmu_objset_ds(os
), tag
);
2258 dsl_dataset_rele(dmu_objset_ds(os
), tag
);
2259 sa_attr_table
= NULL
;
2264 fuid_table_destroy(void)
2266 if (fuid_table_loaded
) {
2267 zfs_fuid_table_destroy(&idx_tree
, &domain_tree
);
2268 fuid_table_loaded
= B_FALSE
;
2273 * print uid or gid information.
2274 * For normal POSIX id just the id is printed in decimal format.
2275 * For CIFS files with FUID the fuid is printed in hex followed by
2276 * the domain-rid string.
2279 print_idstr(uint64_t id
, const char *id_type
)
2281 if (FUID_INDEX(id
)) {
2284 domain
= zfs_fuid_idx_domain(&idx_tree
, FUID_INDEX(id
));
2285 (void) printf("\t%s %llx [%s-%d]\n", id_type
,
2286 (u_longlong_t
)id
, domain
, (int)FUID_RID(id
));
2288 (void) printf("\t%s %llu\n", id_type
, (u_longlong_t
)id
);
2294 dump_uidgid(objset_t
*os
, uint64_t uid
, uint64_t gid
)
2296 uint32_t uid_idx
, gid_idx
;
2298 uid_idx
= FUID_INDEX(uid
);
2299 gid_idx
= FUID_INDEX(gid
);
2301 /* Load domain table, if not already loaded */
2302 if (!fuid_table_loaded
&& (uid_idx
|| gid_idx
)) {
2305 /* first find the fuid object. It lives in the master node */
2306 VERIFY(zap_lookup(os
, MASTER_NODE_OBJ
, ZFS_FUID_TABLES
,
2307 8, 1, &fuid_obj
) == 0);
2308 zfs_fuid_avl_tree_create(&idx_tree
, &domain_tree
);
2309 (void) zfs_fuid_table_load(os
, fuid_obj
,
2310 &idx_tree
, &domain_tree
);
2311 fuid_table_loaded
= B_TRUE
;
2314 print_idstr(uid
, "uid");
2315 print_idstr(gid
, "gid");
2319 dump_znode_sa_xattr(sa_handle_t
*hdl
)
2322 nvpair_t
*elem
= NULL
;
2323 int sa_xattr_size
= 0;
2324 int sa_xattr_entries
= 0;
2326 char *sa_xattr_packed
;
2328 error
= sa_size(hdl
, sa_attr_table
[ZPL_DXATTR
], &sa_xattr_size
);
2329 if (error
|| sa_xattr_size
== 0)
2332 sa_xattr_packed
= malloc(sa_xattr_size
);
2333 if (sa_xattr_packed
== NULL
)
2336 error
= sa_lookup(hdl
, sa_attr_table
[ZPL_DXATTR
],
2337 sa_xattr_packed
, sa_xattr_size
);
2339 free(sa_xattr_packed
);
2343 error
= nvlist_unpack(sa_xattr_packed
, sa_xattr_size
, &sa_xattr
, 0);
2345 free(sa_xattr_packed
);
2349 while ((elem
= nvlist_next_nvpair(sa_xattr
, elem
)) != NULL
)
2352 (void) printf("\tSA xattrs: %d bytes, %d entries\n\n",
2353 sa_xattr_size
, sa_xattr_entries
);
2354 while ((elem
= nvlist_next_nvpair(sa_xattr
, elem
)) != NULL
) {
2358 (void) printf("\t\t%s = ", nvpair_name(elem
));
2359 nvpair_value_byte_array(elem
, &value
, &cnt
);
2360 for (idx
= 0; idx
< cnt
; ++idx
) {
2361 if (isprint(value
[idx
]))
2362 (void) putchar(value
[idx
]);
2364 (void) printf("\\%3.3o", value
[idx
]);
2366 (void) putchar('\n');
2369 nvlist_free(sa_xattr
);
2370 free(sa_xattr_packed
);
2375 dump_znode(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
2377 char path
[MAXPATHLEN
* 2]; /* allow for xattr and failure prefix */
2379 uint64_t xattr
, rdev
, gen
;
2380 uint64_t uid
, gid
, mode
, fsize
, parent
, links
;
2382 uint64_t acctm
[2], modtm
[2], chgtm
[2], crtm
[2];
2383 time_t z_crtime
, z_atime
, z_mtime
, z_ctime
;
2384 sa_bulk_attr_t bulk
[12];
2388 VERIFY3P(os
, ==, sa_os
);
2389 if (sa_handle_get(os
, object
, NULL
, SA_HDL_PRIVATE
, &hdl
)) {
2390 (void) printf("Failed to get handle for SA znode\n");
2394 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_UID
], NULL
, &uid
, 8);
2395 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_GID
], NULL
, &gid
, 8);
2396 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_LINKS
], NULL
,
2398 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_GEN
], NULL
, &gen
, 8);
2399 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_MODE
], NULL
,
2401 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_PARENT
],
2403 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_SIZE
], NULL
,
2405 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_ATIME
], NULL
,
2407 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_MTIME
], NULL
,
2409 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_CRTIME
], NULL
,
2411 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_CTIME
], NULL
,
2413 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_FLAGS
], NULL
,
2416 if (sa_bulk_lookup(hdl
, bulk
, idx
)) {
2417 (void) sa_handle_destroy(hdl
);
2421 z_crtime
= (time_t)crtm
[0];
2422 z_atime
= (time_t)acctm
[0];
2423 z_mtime
= (time_t)modtm
[0];
2424 z_ctime
= (time_t)chgtm
[0];
2426 if (dump_opt
['d'] > 4) {
2427 error
= zfs_obj_to_path(os
, object
, path
, sizeof (path
));
2428 if (error
== ESTALE
) {
2429 (void) snprintf(path
, sizeof (path
), "on delete queue");
2430 } else if (error
!= 0) {
2432 (void) snprintf(path
, sizeof (path
),
2433 "path not found, possibly leaked");
2435 (void) printf("\tpath %s\n", path
);
2437 dump_uidgid(os
, uid
, gid
);
2438 (void) printf("\tatime %s", ctime(&z_atime
));
2439 (void) printf("\tmtime %s", ctime(&z_mtime
));
2440 (void) printf("\tctime %s", ctime(&z_ctime
));
2441 (void) printf("\tcrtime %s", ctime(&z_crtime
));
2442 (void) printf("\tgen %llu\n", (u_longlong_t
)gen
);
2443 (void) printf("\tmode %llo\n", (u_longlong_t
)mode
);
2444 (void) printf("\tsize %llu\n", (u_longlong_t
)fsize
);
2445 (void) printf("\tparent %llu\n", (u_longlong_t
)parent
);
2446 (void) printf("\tlinks %llu\n", (u_longlong_t
)links
);
2447 (void) printf("\tpflags %llx\n", (u_longlong_t
)pflags
);
2448 if (dmu_objset_projectquota_enabled(os
) && (pflags
& ZFS_PROJID
)) {
2451 if (sa_lookup(hdl
, sa_attr_table
[ZPL_PROJID
], &projid
,
2452 sizeof (uint64_t)) == 0)
2453 (void) printf("\tprojid %llu\n", (u_longlong_t
)projid
);
2455 if (sa_lookup(hdl
, sa_attr_table
[ZPL_XATTR
], &xattr
,
2456 sizeof (uint64_t)) == 0)
2457 (void) printf("\txattr %llu\n", (u_longlong_t
)xattr
);
2458 if (sa_lookup(hdl
, sa_attr_table
[ZPL_RDEV
], &rdev
,
2459 sizeof (uint64_t)) == 0)
2460 (void) printf("\trdev 0x%016llx\n", (u_longlong_t
)rdev
);
2461 dump_znode_sa_xattr(hdl
);
2462 sa_handle_destroy(hdl
);
2467 dump_acl(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
2473 dump_dmu_objset(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
2477 static object_viewer_t
*object_viewer
[DMU_OT_NUMTYPES
+ 1] = {
2478 dump_none
, /* unallocated */
2479 dump_zap
, /* object directory */
2480 dump_uint64
, /* object array */
2481 dump_none
, /* packed nvlist */
2482 dump_packed_nvlist
, /* packed nvlist size */
2483 dump_none
, /* bpobj */
2484 dump_bpobj
, /* bpobj header */
2485 dump_none
, /* SPA space map header */
2486 dump_none
, /* SPA space map */
2487 dump_none
, /* ZIL intent log */
2488 dump_dnode
, /* DMU dnode */
2489 dump_dmu_objset
, /* DMU objset */
2490 dump_dsl_dir
, /* DSL directory */
2491 dump_zap
, /* DSL directory child map */
2492 dump_zap
, /* DSL dataset snap map */
2493 dump_zap
, /* DSL props */
2494 dump_dsl_dataset
, /* DSL dataset */
2495 dump_znode
, /* ZFS znode */
2496 dump_acl
, /* ZFS V0 ACL */
2497 dump_uint8
, /* ZFS plain file */
2498 dump_zpldir
, /* ZFS directory */
2499 dump_zap
, /* ZFS master node */
2500 dump_zap
, /* ZFS delete queue */
2501 dump_uint8
, /* zvol object */
2502 dump_zap
, /* zvol prop */
2503 dump_uint8
, /* other uint8[] */
2504 dump_uint64
, /* other uint64[] */
2505 dump_zap
, /* other ZAP */
2506 dump_zap
, /* persistent error log */
2507 dump_uint8
, /* SPA history */
2508 dump_history_offsets
, /* SPA history offsets */
2509 dump_zap
, /* Pool properties */
2510 dump_zap
, /* DSL permissions */
2511 dump_acl
, /* ZFS ACL */
2512 dump_uint8
, /* ZFS SYSACL */
2513 dump_none
, /* FUID nvlist */
2514 dump_packed_nvlist
, /* FUID nvlist size */
2515 dump_zap
, /* DSL dataset next clones */
2516 dump_zap
, /* DSL scrub queue */
2517 dump_zap
, /* ZFS user/group/project used */
2518 dump_zap
, /* ZFS user/group/project quota */
2519 dump_zap
, /* snapshot refcount tags */
2520 dump_ddt_zap
, /* DDT ZAP object */
2521 dump_zap
, /* DDT statistics */
2522 dump_znode
, /* SA object */
2523 dump_zap
, /* SA Master Node */
2524 dump_sa_attrs
, /* SA attribute registration */
2525 dump_sa_layouts
, /* SA attribute layouts */
2526 dump_zap
, /* DSL scrub translations */
2527 dump_none
, /* fake dedup BP */
2528 dump_zap
, /* deadlist */
2529 dump_none
, /* deadlist hdr */
2530 dump_zap
, /* dsl clones */
2531 dump_bpobj_subobjs
, /* bpobj subobjs */
2532 dump_unknown
, /* Unknown type, must be last */
2536 dump_object(objset_t
*os
, uint64_t object
, int verbosity
,
2537 boolean_t
*print_header
, uint64_t *dnode_slots_used
)
2539 dmu_buf_t
*db
= NULL
;
2540 dmu_object_info_t doi
;
2542 boolean_t dnode_held
= B_FALSE
;
2545 char iblk
[32], dblk
[32], lsize
[32], asize
[32], fill
[32], dnsize
[32];
2546 char bonus_size
[32];
2550 /* make sure nicenum has enough space */
2551 CTASSERT(sizeof (iblk
) >= NN_NUMBUF_SZ
);
2552 CTASSERT(sizeof (dblk
) >= NN_NUMBUF_SZ
);
2553 CTASSERT(sizeof (lsize
) >= NN_NUMBUF_SZ
);
2554 CTASSERT(sizeof (asize
) >= NN_NUMBUF_SZ
);
2555 CTASSERT(sizeof (bonus_size
) >= NN_NUMBUF_SZ
);
2557 if (*print_header
) {
2558 (void) printf("\n%10s %3s %5s %5s %5s %6s %5s %6s %s\n",
2559 "Object", "lvl", "iblk", "dblk", "dsize", "dnsize",
2560 "lsize", "%full", "type");
2565 dn
= DMU_META_DNODE(os
);
2566 dmu_object_info_from_dnode(dn
, &doi
);
2569 * Encrypted datasets will have sensitive bonus buffers
2570 * encrypted. Therefore we cannot hold the bonus buffer and
2571 * must hold the dnode itself instead.
2573 error
= dmu_object_info(os
, object
, &doi
);
2575 fatal("dmu_object_info() failed, errno %u", error
);
2577 if (os
->os_encrypted
&&
2578 DMU_OT_IS_ENCRYPTED(doi
.doi_bonus_type
)) {
2579 error
= dnode_hold(os
, object
, FTAG
, &dn
);
2581 fatal("dnode_hold() failed, errno %u", error
);
2582 dnode_held
= B_TRUE
;
2584 error
= dmu_bonus_hold(os
, object
, FTAG
, &db
);
2586 fatal("dmu_bonus_hold(%llu) failed, errno %u",
2588 bonus
= db
->db_data
;
2589 bsize
= db
->db_size
;
2590 dn
= DB_DNODE((dmu_buf_impl_t
*)db
);
2594 if (dnode_slots_used
)
2595 *dnode_slots_used
= doi
.doi_dnodesize
/ DNODE_MIN_SIZE
;
2597 zdb_nicenum(doi
.doi_metadata_block_size
, iblk
, sizeof (iblk
));
2598 zdb_nicenum(doi
.doi_data_block_size
, dblk
, sizeof (dblk
));
2599 zdb_nicenum(doi
.doi_max_offset
, lsize
, sizeof (lsize
));
2600 zdb_nicenum(doi
.doi_physical_blocks_512
<< 9, asize
, sizeof (asize
));
2601 zdb_nicenum(doi
.doi_bonus_size
, bonus_size
, sizeof (bonus_size
));
2602 zdb_nicenum(doi
.doi_dnodesize
, dnsize
, sizeof (dnsize
));
2603 (void) sprintf(fill
, "%6.2f", 100.0 * doi
.doi_fill_count
*
2604 doi
.doi_data_block_size
/ (object
== 0 ? DNODES_PER_BLOCK
: 1) /
2605 doi
.doi_max_offset
);
2609 if (doi
.doi_checksum
!= ZIO_CHECKSUM_INHERIT
|| verbosity
>= 6) {
2610 (void) snprintf(aux
+ strlen(aux
), sizeof (aux
) - strlen(aux
),
2611 " (K=%s)", ZDB_CHECKSUM_NAME(doi
.doi_checksum
));
2614 if (doi
.doi_compress
!= ZIO_COMPRESS_INHERIT
|| verbosity
>= 6) {
2615 (void) snprintf(aux
+ strlen(aux
), sizeof (aux
) - strlen(aux
),
2616 " (Z=%s)", ZDB_COMPRESS_NAME(doi
.doi_compress
));
2619 (void) printf("%10lld %3u %5s %5s %5s %6s %5s %6s %s%s\n",
2620 (u_longlong_t
)object
, doi
.doi_indirection
, iblk
, dblk
,
2621 asize
, dnsize
, lsize
, fill
, zdb_ot_name(doi
.doi_type
), aux
);
2623 if (doi
.doi_bonus_type
!= DMU_OT_NONE
&& verbosity
> 3) {
2624 (void) printf("%10s %3s %5s %5s %5s %5s %5s %6s %s\n",
2625 "", "", "", "", "", "", bonus_size
, "bonus",
2626 zdb_ot_name(doi
.doi_bonus_type
));
2629 if (verbosity
>= 4) {
2630 (void) printf("\tdnode flags: %s%s%s%s\n",
2631 (dn
->dn_phys
->dn_flags
& DNODE_FLAG_USED_BYTES
) ?
2633 (dn
->dn_phys
->dn_flags
& DNODE_FLAG_USERUSED_ACCOUNTED
) ?
2634 "USERUSED_ACCOUNTED " : "",
2635 (dn
->dn_phys
->dn_flags
& DNODE_FLAG_USEROBJUSED_ACCOUNTED
) ?
2636 "USEROBJUSED_ACCOUNTED " : "",
2637 (dn
->dn_phys
->dn_flags
& DNODE_FLAG_SPILL_BLKPTR
) ?
2638 "SPILL_BLKPTR" : "");
2639 (void) printf("\tdnode maxblkid: %llu\n",
2640 (longlong_t
)dn
->dn_phys
->dn_maxblkid
);
2643 object_viewer
[ZDB_OT_TYPE(doi
.doi_bonus_type
)](os
,
2644 object
, bonus
, bsize
);
2646 (void) printf("\t\t(bonus encrypted)\n");
2649 if (!os
->os_encrypted
|| !DMU_OT_IS_ENCRYPTED(doi
.doi_type
)) {
2650 object_viewer
[ZDB_OT_TYPE(doi
.doi_type
)](os
, object
,
2653 (void) printf("\t\t(object encrypted)\n");
2656 *print_header
= B_TRUE
;
2662 if (verbosity
>= 5) {
2664 * Report the list of segments that comprise the object.
2668 uint64_t blkfill
= 1;
2671 if (dn
->dn_type
== DMU_OT_DNODE
) {
2673 blkfill
= DNODES_PER_BLOCK
;
2678 /* make sure nicenum has enough space */
2679 CTASSERT(sizeof (segsize
) >= NN_NUMBUF_SZ
);
2680 error
= dnode_next_offset(dn
,
2681 0, &start
, minlvl
, blkfill
, 0);
2685 error
= dnode_next_offset(dn
,
2686 DNODE_FIND_HOLE
, &end
, minlvl
, blkfill
, 0);
2687 zdb_nicenum(end
- start
, segsize
, sizeof (segsize
));
2688 (void) printf("\t\tsegment [%016llx, %016llx)"
2689 " size %5s\n", (u_longlong_t
)start
,
2690 (u_longlong_t
)end
, segsize
);
2698 dmu_buf_rele(db
, FTAG
);
2700 dnode_rele(dn
, FTAG
);
2704 count_dir_mos_objects(dsl_dir_t
*dd
)
2706 mos_obj_refd(dd
->dd_object
);
2707 mos_obj_refd(dsl_dir_phys(dd
)->dd_child_dir_zapobj
);
2708 mos_obj_refd(dsl_dir_phys(dd
)->dd_deleg_zapobj
);
2709 mos_obj_refd(dsl_dir_phys(dd
)->dd_props_zapobj
);
2710 mos_obj_refd(dsl_dir_phys(dd
)->dd_clones
);
2713 * The dd_crypto_obj can be referenced by multiple dsl_dir's.
2714 * Ignore the references after the first one.
2716 mos_obj_refd_multiple(dd
->dd_crypto_obj
);
2720 count_ds_mos_objects(dsl_dataset_t
*ds
)
2722 mos_obj_refd(ds
->ds_object
);
2723 mos_obj_refd(dsl_dataset_phys(ds
)->ds_next_clones_obj
);
2724 mos_obj_refd(dsl_dataset_phys(ds
)->ds_props_obj
);
2725 mos_obj_refd(dsl_dataset_phys(ds
)->ds_userrefs_obj
);
2726 mos_obj_refd(dsl_dataset_phys(ds
)->ds_snapnames_zapobj
);
2727 mos_obj_refd(ds
->ds_bookmarks_obj
);
2729 if (!dsl_dataset_is_snapshot(ds
)) {
2730 count_dir_mos_objects(ds
->ds_dir
);
2734 static const char *objset_types
[DMU_OST_NUMTYPES
] = {
2735 "NONE", "META", "ZPL", "ZVOL", "OTHER", "ANY" };
2738 dump_objset(objset_t
*os
)
2740 dmu_objset_stats_t dds
;
2741 uint64_t object
, object_count
;
2742 uint64_t refdbytes
, usedobjs
, scratch
;
2744 char blkbuf
[BP_SPRINTF_LEN
+ 20];
2745 char osname
[ZFS_MAX_DATASET_NAME_LEN
];
2746 const char *type
= "UNKNOWN";
2747 int verbosity
= dump_opt
['d'];
2748 boolean_t print_header
;
2751 uint64_t total_slots_used
= 0;
2752 uint64_t max_slot_used
= 0;
2753 uint64_t dnode_slots
;
2755 /* make sure nicenum has enough space */
2756 CTASSERT(sizeof (numbuf
) >= NN_NUMBUF_SZ
);
2758 dsl_pool_config_enter(dmu_objset_pool(os
), FTAG
);
2759 dmu_objset_fast_stat(os
, &dds
);
2760 dsl_pool_config_exit(dmu_objset_pool(os
), FTAG
);
2762 print_header
= B_TRUE
;
2764 if (dds
.dds_type
< DMU_OST_NUMTYPES
)
2765 type
= objset_types
[dds
.dds_type
];
2767 if (dds
.dds_type
== DMU_OST_META
) {
2768 dds
.dds_creation_txg
= TXG_INITIAL
;
2769 usedobjs
= BP_GET_FILL(os
->os_rootbp
);
2770 refdbytes
= dsl_dir_phys(os
->os_spa
->spa_dsl_pool
->dp_mos_dir
)->
2773 dmu_objset_space(os
, &refdbytes
, &scratch
, &usedobjs
, &scratch
);
2776 ASSERT3U(usedobjs
, ==, BP_GET_FILL(os
->os_rootbp
));
2778 zdb_nicenum(refdbytes
, numbuf
, sizeof (numbuf
));
2780 if (verbosity
>= 4) {
2781 (void) snprintf(blkbuf
, sizeof (blkbuf
), ", rootbp ");
2782 (void) snprintf_blkptr(blkbuf
+ strlen(blkbuf
),
2783 sizeof (blkbuf
) - strlen(blkbuf
), os
->os_rootbp
);
2788 dmu_objset_name(os
, osname
);
2790 (void) printf("Dataset %s [%s], ID %llu, cr_txg %llu, "
2791 "%s, %llu objects%s%s\n",
2792 osname
, type
, (u_longlong_t
)dmu_objset_id(os
),
2793 (u_longlong_t
)dds
.dds_creation_txg
,
2794 numbuf
, (u_longlong_t
)usedobjs
, blkbuf
,
2795 (dds
.dds_inconsistent
) ? " (inconsistent)" : "");
2797 if (zopt_objects
!= 0) {
2798 for (i
= 0; i
< zopt_objects
; i
++) {
2799 dump_object(os
, zopt_object
[i
], verbosity
,
2800 &print_header
, NULL
);
2802 (void) printf("\n");
2806 if (dump_opt
['i'] != 0 || verbosity
>= 2)
2807 dump_intent_log(dmu_objset_zil(os
));
2809 if (dmu_objset_ds(os
) != NULL
) {
2810 dsl_dataset_t
*ds
= dmu_objset_ds(os
);
2811 dump_blkptr_list(&ds
->ds_deadlist
, "Deadlist");
2812 if (dsl_deadlist_is_open(&ds
->ds_dir
->dd_livelist
) &&
2813 !dmu_objset_is_snapshot(os
)) {
2814 dump_blkptr_list(&ds
->ds_dir
->dd_livelist
, "Livelist");
2815 if (verify_dd_livelist(os
) != 0)
2816 fatal("livelist is incorrect");
2819 if (dsl_dataset_remap_deadlist_exists(ds
)) {
2820 (void) printf("ds_remap_deadlist:\n");
2821 dump_blkptr_list(&ds
->ds_remap_deadlist
, "Deadlist");
2823 count_ds_mos_objects(ds
);
2826 if (dmu_objset_ds(os
) != NULL
)
2827 dump_bookmarks(os
, verbosity
);
2832 if (BP_IS_HOLE(os
->os_rootbp
))
2835 dump_object(os
, 0, verbosity
, &print_header
, NULL
);
2837 if (DMU_USERUSED_DNODE(os
) != NULL
&&
2838 DMU_USERUSED_DNODE(os
)->dn_type
!= 0) {
2839 dump_object(os
, DMU_USERUSED_OBJECT
, verbosity
, &print_header
,
2841 dump_object(os
, DMU_GROUPUSED_OBJECT
, verbosity
, &print_header
,
2845 if (DMU_PROJECTUSED_DNODE(os
) != NULL
&&
2846 DMU_PROJECTUSED_DNODE(os
)->dn_type
!= 0)
2847 dump_object(os
, DMU_PROJECTUSED_OBJECT
, verbosity
,
2848 &print_header
, NULL
);
2851 while ((error
= dmu_object_next(os
, &object
, B_FALSE
, 0)) == 0) {
2852 dump_object(os
, object
, verbosity
, &print_header
, &dnode_slots
);
2854 total_slots_used
+= dnode_slots
;
2855 max_slot_used
= object
+ dnode_slots
- 1;
2858 (void) printf("\n");
2860 (void) printf(" Dnode slots:\n");
2861 (void) printf("\tTotal used: %10llu\n",
2862 (u_longlong_t
)total_slots_used
);
2863 (void) printf("\tMax used: %10llu\n",
2864 (u_longlong_t
)max_slot_used
);
2865 (void) printf("\tPercent empty: %10lf\n",
2866 (double)(max_slot_used
- total_slots_used
)*100 /
2867 (double)max_slot_used
);
2868 (void) printf("\n");
2870 if (error
!= ESRCH
) {
2871 (void) fprintf(stderr
, "dmu_object_next() = %d\n", error
);
2875 ASSERT3U(object_count
, ==, usedobjs
);
2877 if (leaked_objects
!= 0) {
2878 (void) printf("%d potentially leaked objects detected\n",
2885 dump_uberblock(uberblock_t
*ub
, const char *header
, const char *footer
)
2887 time_t timestamp
= ub
->ub_timestamp
;
2889 (void) printf("%s", header
? header
: "");
2890 (void) printf("\tmagic = %016llx\n", (u_longlong_t
)ub
->ub_magic
);
2891 (void) printf("\tversion = %llu\n", (u_longlong_t
)ub
->ub_version
);
2892 (void) printf("\ttxg = %llu\n", (u_longlong_t
)ub
->ub_txg
);
2893 (void) printf("\tguid_sum = %llu\n", (u_longlong_t
)ub
->ub_guid_sum
);
2894 (void) printf("\ttimestamp = %llu UTC = %s",
2895 (u_longlong_t
)ub
->ub_timestamp
, asctime(localtime(×tamp
)));
2897 (void) printf("\tmmp_magic = %016llx\n",
2898 (u_longlong_t
)ub
->ub_mmp_magic
);
2899 if (MMP_VALID(ub
)) {
2900 (void) printf("\tmmp_delay = %0llu\n",
2901 (u_longlong_t
)ub
->ub_mmp_delay
);
2902 if (MMP_SEQ_VALID(ub
))
2903 (void) printf("\tmmp_seq = %u\n",
2904 (unsigned int) MMP_SEQ(ub
));
2905 if (MMP_FAIL_INT_VALID(ub
))
2906 (void) printf("\tmmp_fail = %u\n",
2907 (unsigned int) MMP_FAIL_INT(ub
));
2908 if (MMP_INTERVAL_VALID(ub
))
2909 (void) printf("\tmmp_write = %u\n",
2910 (unsigned int) MMP_INTERVAL(ub
));
2911 /* After MMP_* to make summarize_uberblock_mmp cleaner */
2912 (void) printf("\tmmp_valid = %x\n",
2913 (unsigned int) ub
->ub_mmp_config
& 0xFF);
2916 if (dump_opt
['u'] >= 4) {
2917 char blkbuf
[BP_SPRINTF_LEN
];
2918 snprintf_blkptr(blkbuf
, sizeof (blkbuf
), &ub
->ub_rootbp
);
2919 (void) printf("\trootbp = %s\n", blkbuf
);
2921 (void) printf("\tcheckpoint_txg = %llu\n",
2922 (u_longlong_t
)ub
->ub_checkpoint_txg
);
2923 (void) printf("%s", footer
? footer
: "");
2927 dump_config(spa_t
*spa
)
2934 error
= dmu_bonus_hold(spa
->spa_meta_objset
,
2935 spa
->spa_config_object
, FTAG
, &db
);
2938 nvsize
= *(uint64_t *)db
->db_data
;
2939 dmu_buf_rele(db
, FTAG
);
2941 (void) printf("\nMOS Configuration:\n");
2942 dump_packed_nvlist(spa
->spa_meta_objset
,
2943 spa
->spa_config_object
, (void *)&nvsize
, 1);
2945 (void) fprintf(stderr
, "dmu_bonus_hold(%llu) failed, errno %d",
2946 (u_longlong_t
)spa
->spa_config_object
, error
);
2951 dump_cachefile(const char *cachefile
)
2954 struct stat64 statbuf
;
2958 if ((fd
= open64(cachefile
, O_RDONLY
)) < 0) {
2959 (void) printf("cannot open '%s': %s\n", cachefile
,
2964 if (fstat64(fd
, &statbuf
) != 0) {
2965 (void) printf("failed to stat '%s': %s\n", cachefile
,
2970 if ((buf
= malloc(statbuf
.st_size
)) == NULL
) {
2971 (void) fprintf(stderr
, "failed to allocate %llu bytes\n",
2972 (u_longlong_t
)statbuf
.st_size
);
2976 if (read(fd
, buf
, statbuf
.st_size
) != statbuf
.st_size
) {
2977 (void) fprintf(stderr
, "failed to read %llu bytes\n",
2978 (u_longlong_t
)statbuf
.st_size
);
2984 if (nvlist_unpack(buf
, statbuf
.st_size
, &config
, 0) != 0) {
2985 (void) fprintf(stderr
, "failed to unpack nvlist\n");
2991 dump_nvlist(config
, 0);
2993 nvlist_free(config
);
2997 * ZFS label nvlist stats
2999 typedef struct zdb_nvl_stats
{
3002 size_t zns_leaf_largest
;
3003 size_t zns_leaf_total
;
3004 nvlist_t
*zns_string
;
3005 nvlist_t
*zns_uint64
;
3006 nvlist_t
*zns_boolean
;
3010 collect_nvlist_stats(nvlist_t
*nvl
, zdb_nvl_stats_t
*stats
)
3012 nvlist_t
*list
, **array
;
3013 nvpair_t
*nvp
= NULL
;
3017 stats
->zns_list_count
++;
3019 while ((nvp
= nvlist_next_nvpair(nvl
, nvp
)) != NULL
) {
3020 name
= nvpair_name(nvp
);
3022 switch (nvpair_type(nvp
)) {
3023 case DATA_TYPE_STRING
:
3024 fnvlist_add_string(stats
->zns_string
, name
,
3025 fnvpair_value_string(nvp
));
3027 case DATA_TYPE_UINT64
:
3028 fnvlist_add_uint64(stats
->zns_uint64
, name
,
3029 fnvpair_value_uint64(nvp
));
3031 case DATA_TYPE_BOOLEAN
:
3032 fnvlist_add_boolean(stats
->zns_boolean
, name
);
3034 case DATA_TYPE_NVLIST
:
3035 if (nvpair_value_nvlist(nvp
, &list
) == 0)
3036 collect_nvlist_stats(list
, stats
);
3038 case DATA_TYPE_NVLIST_ARRAY
:
3039 if (nvpair_value_nvlist_array(nvp
, &array
, &items
) != 0)
3042 for (i
= 0; i
< items
; i
++) {
3043 collect_nvlist_stats(array
[i
], stats
);
3045 /* collect stats on leaf vdev */
3046 if (strcmp(name
, "children") == 0) {
3049 (void) nvlist_size(array
[i
], &size
,
3051 stats
->zns_leaf_total
+= size
;
3052 if (size
> stats
->zns_leaf_largest
)
3053 stats
->zns_leaf_largest
= size
;
3054 stats
->zns_leaf_count
++;
3059 (void) printf("skip type %d!\n", (int)nvpair_type(nvp
));
3065 dump_nvlist_stats(nvlist_t
*nvl
, size_t cap
)
3067 zdb_nvl_stats_t stats
= { 0 };
3068 size_t size
, sum
= 0, total
;
3071 /* requires nvlist with non-unique names for stat collection */
3072 VERIFY0(nvlist_alloc(&stats
.zns_string
, 0, 0));
3073 VERIFY0(nvlist_alloc(&stats
.zns_uint64
, 0, 0));
3074 VERIFY0(nvlist_alloc(&stats
.zns_boolean
, 0, 0));
3075 VERIFY0(nvlist_size(stats
.zns_boolean
, &noise
, NV_ENCODE_XDR
));
3077 (void) printf("\n\nZFS Label NVList Config Stats:\n");
3079 VERIFY0(nvlist_size(nvl
, &total
, NV_ENCODE_XDR
));
3080 (void) printf(" %d bytes used, %d bytes free (using %4.1f%%)\n\n",
3081 (int)total
, (int)(cap
- total
), 100.0 * total
/ cap
);
3083 collect_nvlist_stats(nvl
, &stats
);
3085 VERIFY0(nvlist_size(stats
.zns_uint64
, &size
, NV_ENCODE_XDR
));
3088 (void) printf("%12s %4d %6d bytes (%5.2f%%)\n", "integers:",
3089 (int)fnvlist_num_pairs(stats
.zns_uint64
),
3090 (int)size
, 100.0 * size
/ total
);
3092 VERIFY0(nvlist_size(stats
.zns_string
, &size
, NV_ENCODE_XDR
));
3095 (void) printf("%12s %4d %6d bytes (%5.2f%%)\n", "strings:",
3096 (int)fnvlist_num_pairs(stats
.zns_string
),
3097 (int)size
, 100.0 * size
/ total
);
3099 VERIFY0(nvlist_size(stats
.zns_boolean
, &size
, NV_ENCODE_XDR
));
3102 (void) printf("%12s %4d %6d bytes (%5.2f%%)\n", "booleans:",
3103 (int)fnvlist_num_pairs(stats
.zns_boolean
),
3104 (int)size
, 100.0 * size
/ total
);
3106 size
= total
- sum
; /* treat remainder as nvlist overhead */
3107 (void) printf("%12s %4d %6d bytes (%5.2f%%)\n\n", "nvlists:",
3108 stats
.zns_list_count
, (int)size
, 100.0 * size
/ total
);
3110 if (stats
.zns_leaf_count
> 0) {
3111 size_t average
= stats
.zns_leaf_total
/ stats
.zns_leaf_count
;
3113 (void) printf("%12s %4d %6d bytes average\n", "leaf vdevs:",
3114 stats
.zns_leaf_count
, (int)average
);
3115 (void) printf("%24d bytes largest\n",
3116 (int)stats
.zns_leaf_largest
);
3118 if (dump_opt
['l'] >= 3 && average
> 0)
3119 (void) printf(" space for %d additional leaf vdevs\n",
3120 (int)((cap
- total
) / average
));
3122 (void) printf("\n");
3124 nvlist_free(stats
.zns_string
);
3125 nvlist_free(stats
.zns_uint64
);
3126 nvlist_free(stats
.zns_boolean
);
3129 typedef struct cksum_record
{
3131 boolean_t labels
[VDEV_LABELS
];
3136 cksum_record_compare(const void *x1
, const void *x2
)
3138 const cksum_record_t
*l
= (cksum_record_t
*)x1
;
3139 const cksum_record_t
*r
= (cksum_record_t
*)x2
;
3140 int arraysize
= ARRAY_SIZE(l
->cksum
.zc_word
);
3143 for (int i
= 0; i
< arraysize
; i
++) {
3144 difference
= TREE_CMP(l
->cksum
.zc_word
[i
], r
->cksum
.zc_word
[i
]);
3149 return (difference
);
3152 static cksum_record_t
*
3153 cksum_record_alloc(zio_cksum_t
*cksum
, int l
)
3155 cksum_record_t
*rec
;
3157 rec
= umem_zalloc(sizeof (*rec
), UMEM_NOFAIL
);
3158 rec
->cksum
= *cksum
;
3159 rec
->labels
[l
] = B_TRUE
;
3164 static cksum_record_t
*
3165 cksum_record_lookup(avl_tree_t
*tree
, zio_cksum_t
*cksum
)
3167 cksum_record_t lookup
= { .cksum
= *cksum
};
3170 return (avl_find(tree
, &lookup
, &where
));
3173 static cksum_record_t
*
3174 cksum_record_insert(avl_tree_t
*tree
, zio_cksum_t
*cksum
, int l
)
3176 cksum_record_t
*rec
;
3178 rec
= cksum_record_lookup(tree
, cksum
);
3180 rec
->labels
[l
] = B_TRUE
;
3182 rec
= cksum_record_alloc(cksum
, l
);
3190 first_label(cksum_record_t
*rec
)
3192 for (int i
= 0; i
< VDEV_LABELS
; i
++)
3200 print_label_numbers(char *prefix
, cksum_record_t
*rec
)
3202 printf("%s", prefix
);
3203 for (int i
= 0; i
< VDEV_LABELS
; i
++)
3204 if (rec
->labels
[i
] == B_TRUE
)
3209 #define MAX_UBERBLOCK_COUNT (VDEV_UBERBLOCK_RING >> UBERBLOCK_SHIFT)
3211 typedef struct zdb_label
{
3213 nvlist_t
*config_nv
;
3214 cksum_record_t
*config
;
3215 cksum_record_t
*uberblocks
[MAX_UBERBLOCK_COUNT
];
3216 boolean_t header_printed
;
3217 boolean_t read_failed
;
3221 print_label_header(zdb_label_t
*label
, int l
)
3227 if (label
->header_printed
== B_TRUE
)
3230 (void) printf("------------------------------------\n");
3231 (void) printf("LABEL %d\n", l
);
3232 (void) printf("------------------------------------\n");
3234 label
->header_printed
= B_TRUE
;
3238 dump_config_from_label(zdb_label_t
*label
, size_t buflen
, int l
)
3243 if ((dump_opt
['l'] < 3) && (first_label(label
->config
) != l
))
3246 print_label_header(label
, l
);
3247 dump_nvlist(label
->config_nv
, 4);
3248 print_label_numbers(" labels = ", label
->config
);
3250 if (dump_opt
['l'] >= 2)
3251 dump_nvlist_stats(label
->config_nv
, buflen
);
3254 #define ZDB_MAX_UB_HEADER_SIZE 32
3257 dump_label_uberblocks(zdb_label_t
*label
, uint64_t ashift
, int label_num
)
3261 char header
[ZDB_MAX_UB_HEADER_SIZE
];
3263 vd
.vdev_ashift
= ashift
;
3266 for (int i
= 0; i
< VDEV_UBERBLOCK_COUNT(&vd
); i
++) {
3267 uint64_t uoff
= VDEV_UBERBLOCK_OFFSET(&vd
, i
);
3268 uberblock_t
*ub
= (void *)((char *)&label
->label
+ uoff
);
3269 cksum_record_t
*rec
= label
->uberblocks
[i
];
3272 if (dump_opt
['u'] >= 2) {
3273 print_label_header(label
, label_num
);
3274 (void) printf(" Uberblock[%d] invalid\n", i
);
3279 if ((dump_opt
['u'] < 3) && (first_label(rec
) != label_num
))
3282 if ((dump_opt
['u'] < 4) &&
3283 (ub
->ub_mmp_magic
== MMP_MAGIC
) && ub
->ub_mmp_delay
&&
3284 (i
>= VDEV_UBERBLOCK_COUNT(&vd
) - MMP_BLOCKS_PER_LABEL
))
3287 print_label_header(label
, label_num
);
3288 (void) snprintf(header
, ZDB_MAX_UB_HEADER_SIZE
,
3289 " Uberblock[%d]\n", i
);
3290 dump_uberblock(ub
, header
, "");
3291 print_label_numbers(" labels = ", rec
);
3295 static char curpath
[PATH_MAX
];
3298 * Iterate through the path components, recursively passing
3299 * current one's obj and remaining path until we find the obj
3303 dump_path_impl(objset_t
*os
, uint64_t obj
, char *name
)
3306 boolean_t header
= B_TRUE
;
3310 dmu_object_info_t doi
;
3312 if ((s
= strchr(name
, '/')) != NULL
)
3314 err
= zap_lookup(os
, obj
, name
, 8, 1, &child_obj
);
3316 (void) strlcat(curpath
, name
, sizeof (curpath
));
3319 (void) fprintf(stderr
, "failed to lookup %s: %s\n",
3320 curpath
, strerror(err
));
3324 child_obj
= ZFS_DIRENT_OBJ(child_obj
);
3325 err
= sa_buf_hold(os
, child_obj
, FTAG
, &db
);
3327 (void) fprintf(stderr
,
3328 "failed to get SA dbuf for obj %llu: %s\n",
3329 (u_longlong_t
)child_obj
, strerror(err
));
3332 dmu_object_info_from_db(db
, &doi
);
3333 sa_buf_rele(db
, FTAG
);
3335 if (doi
.doi_bonus_type
!= DMU_OT_SA
&&
3336 doi
.doi_bonus_type
!= DMU_OT_ZNODE
) {
3337 (void) fprintf(stderr
, "invalid bonus type %d for obj %llu\n",
3338 doi
.doi_bonus_type
, (u_longlong_t
)child_obj
);
3342 if (dump_opt
['v'] > 6) {
3343 (void) printf("obj=%llu %s type=%d bonustype=%d\n",
3344 (u_longlong_t
)child_obj
, curpath
, doi
.doi_type
,
3345 doi
.doi_bonus_type
);
3348 (void) strlcat(curpath
, "/", sizeof (curpath
));
3350 switch (doi
.doi_type
) {
3351 case DMU_OT_DIRECTORY_CONTENTS
:
3352 if (s
!= NULL
&& *(s
+ 1) != '\0')
3353 return (dump_path_impl(os
, child_obj
, s
+ 1));
3355 case DMU_OT_PLAIN_FILE_CONTENTS
:
3356 dump_object(os
, child_obj
, dump_opt
['v'], &header
, NULL
);
3359 (void) fprintf(stderr
, "object %llu has non-file/directory "
3360 "type %d\n", (u_longlong_t
)obj
, doi
.doi_type
);
3368 * Dump the blocks for the object specified by path inside the dataset.
3371 dump_path(char *ds
, char *path
)
3377 err
= open_objset(ds
, FTAG
, &os
);
3381 err
= zap_lookup(os
, MASTER_NODE_OBJ
, ZFS_ROOT_OBJ
, 8, 1, &root_obj
);
3383 (void) fprintf(stderr
, "can't lookup root znode: %s\n",
3385 close_objset(os
, FTAG
);
3389 (void) snprintf(curpath
, sizeof (curpath
), "dataset=%s path=/", ds
);
3391 err
= dump_path_impl(os
, root_obj
, path
);
3393 close_objset(os
, FTAG
);
3398 dump_label(const char *dev
)
3400 char path
[MAXPATHLEN
];
3401 zdb_label_t labels
[VDEV_LABELS
];
3402 uint64_t psize
, ashift
;
3403 struct stat64 statbuf
;
3404 boolean_t config_found
= B_FALSE
;
3405 boolean_t error
= B_FALSE
;
3406 avl_tree_t config_tree
;
3407 avl_tree_t uberblock_tree
;
3408 void *node
, *cookie
;
3411 bzero(labels
, sizeof (labels
));
3414 * Check if we were given absolute path and use it as is.
3415 * Otherwise if the provided vdev name doesn't point to a file,
3416 * try prepending expected disk paths and partition numbers.
3418 (void) strlcpy(path
, dev
, sizeof (path
));
3419 if (dev
[0] != '/' && stat64(path
, &statbuf
) != 0) {
3422 error
= zfs_resolve_shortname(dev
, path
, MAXPATHLEN
);
3423 if (error
== 0 && zfs_dev_is_whole_disk(path
)) {
3424 if (zfs_append_partition(path
, MAXPATHLEN
) == -1)
3428 if (error
|| (stat64(path
, &statbuf
) != 0)) {
3429 (void) printf("failed to find device %s, try "
3430 "specifying absolute path instead\n", dev
);
3435 if ((fd
= open64(path
, O_RDONLY
)) < 0) {
3436 (void) printf("cannot open '%s': %s\n", path
, strerror(errno
));
3440 if (fstat64_blk(fd
, &statbuf
) != 0) {
3441 (void) printf("failed to stat '%s': %s\n", path
,
3447 if (S_ISBLK(statbuf
.st_mode
) && zfs_dev_flush(fd
) != 0)
3448 (void) printf("failed to invalidate cache '%s' : %s\n", path
,
3451 avl_create(&config_tree
, cksum_record_compare
,
3452 sizeof (cksum_record_t
), offsetof(cksum_record_t
, link
));
3453 avl_create(&uberblock_tree
, cksum_record_compare
,
3454 sizeof (cksum_record_t
), offsetof(cksum_record_t
, link
));
3456 psize
= statbuf
.st_size
;
3457 psize
= P2ALIGN(psize
, (uint64_t)sizeof (vdev_label_t
));
3458 ashift
= SPA_MINBLOCKSHIFT
;
3461 * 1. Read the label from disk
3462 * 2. Unpack the configuration and insert in config tree.
3463 * 3. Traverse all uberblocks and insert in uberblock tree.
3465 for (int l
= 0; l
< VDEV_LABELS
; l
++) {
3466 zdb_label_t
*label
= &labels
[l
];
3467 char *buf
= label
->label
.vl_vdev_phys
.vp_nvlist
;
3468 size_t buflen
= sizeof (label
->label
.vl_vdev_phys
.vp_nvlist
);
3470 cksum_record_t
*rec
;
3474 if (pread64(fd
, &label
->label
, sizeof (label
->label
),
3475 vdev_label_offset(psize
, l
, 0)) != sizeof (label
->label
)) {
3477 (void) printf("failed to read label %d\n", l
);
3478 label
->read_failed
= B_TRUE
;
3483 label
->read_failed
= B_FALSE
;
3485 if (nvlist_unpack(buf
, buflen
, &config
, 0) == 0) {
3486 nvlist_t
*vdev_tree
= NULL
;
3489 if ((nvlist_lookup_nvlist(config
,
3490 ZPOOL_CONFIG_VDEV_TREE
, &vdev_tree
) != 0) ||
3491 (nvlist_lookup_uint64(vdev_tree
,
3492 ZPOOL_CONFIG_ASHIFT
, &ashift
) != 0))
3493 ashift
= SPA_MINBLOCKSHIFT
;
3495 if (nvlist_size(config
, &size
, NV_ENCODE_XDR
) != 0)
3498 fletcher_4_native_varsize(buf
, size
, &cksum
);
3499 rec
= cksum_record_insert(&config_tree
, &cksum
, l
);
3501 label
->config
= rec
;
3502 label
->config_nv
= config
;
3503 config_found
= B_TRUE
;
3508 vd
.vdev_ashift
= ashift
;
3511 for (int i
= 0; i
< VDEV_UBERBLOCK_COUNT(&vd
); i
++) {
3512 uint64_t uoff
= VDEV_UBERBLOCK_OFFSET(&vd
, i
);
3513 uberblock_t
*ub
= (void *)((char *)label
+ uoff
);
3515 if (uberblock_verify(ub
))
3518 fletcher_4_native_varsize(ub
, sizeof (*ub
), &cksum
);
3519 rec
= cksum_record_insert(&uberblock_tree
, &cksum
, l
);
3521 label
->uberblocks
[i
] = rec
;
3526 * Dump the label and uberblocks.
3528 for (int l
= 0; l
< VDEV_LABELS
; l
++) {
3529 zdb_label_t
*label
= &labels
[l
];
3530 size_t buflen
= sizeof (label
->label
.vl_vdev_phys
.vp_nvlist
);
3532 if (label
->read_failed
== B_TRUE
)
3535 if (label
->config_nv
) {
3536 dump_config_from_label(label
, buflen
, l
);
3539 (void) printf("failed to unpack label %d\n", l
);
3543 dump_label_uberblocks(label
, ashift
, l
);
3545 nvlist_free(label
->config_nv
);
3549 while ((node
= avl_destroy_nodes(&config_tree
, &cookie
)) != NULL
)
3550 umem_free(node
, sizeof (cksum_record_t
));
3553 while ((node
= avl_destroy_nodes(&uberblock_tree
, &cookie
)) != NULL
)
3554 umem_free(node
, sizeof (cksum_record_t
));
3556 avl_destroy(&config_tree
);
3557 avl_destroy(&uberblock_tree
);
3561 return (config_found
== B_FALSE
? 2 :
3562 (error
== B_TRUE
? 1 : 0));
3565 static uint64_t dataset_feature_count
[SPA_FEATURES
];
3566 static uint64_t global_feature_count
[SPA_FEATURES
];
3567 static uint64_t remap_deadlist_count
= 0;
3571 dump_one_objset(const char *dsname
, void *arg
)
3577 error
= open_objset(dsname
, FTAG
, &os
);
3581 for (f
= 0; f
< SPA_FEATURES
; f
++) {
3582 if (!dsl_dataset_feature_is_active(dmu_objset_ds(os
), f
))
3584 ASSERT(spa_feature_table
[f
].fi_flags
&
3585 ZFEATURE_FLAG_PER_DATASET
);
3586 dataset_feature_count
[f
]++;
3589 if (dsl_dataset_remap_deadlist_exists(dmu_objset_ds(os
))) {
3590 remap_deadlist_count
++;
3593 for (dsl_bookmark_node_t
*dbn
=
3594 avl_first(&dmu_objset_ds(os
)->ds_bookmarks
); dbn
!= NULL
;
3595 dbn
= AVL_NEXT(&dmu_objset_ds(os
)->ds_bookmarks
, dbn
)) {
3596 mos_obj_refd(dbn
->dbn_phys
.zbm_redaction_obj
);
3597 if (dbn
->dbn_phys
.zbm_redaction_obj
!= 0)
3598 global_feature_count
[SPA_FEATURE_REDACTION_BOOKMARKS
]++;
3599 if (dbn
->dbn_phys
.zbm_flags
& ZBM_FLAG_HAS_FBN
)
3600 global_feature_count
[SPA_FEATURE_BOOKMARK_WRITTEN
]++;
3603 if (dsl_deadlist_is_open(&dmu_objset_ds(os
)->ds_dir
->dd_livelist
) &&
3604 !dmu_objset_is_snapshot(os
)) {
3605 global_feature_count
[SPA_FEATURE_LIVELIST
]++;
3609 close_objset(os
, FTAG
);
3610 fuid_table_destroy();
3617 #define PSIZE_HISTO_SIZE (SPA_OLD_MAXBLOCKSIZE / SPA_MINBLOCKSIZE + 2)
3618 typedef struct zdb_blkstats
{
3624 uint64_t zb_ditto_samevdev
;
3625 uint64_t zb_ditto_same_ms
;
3626 uint64_t zb_psize_histogram
[PSIZE_HISTO_SIZE
];
3630 * Extended object types to report deferred frees and dedup auto-ditto blocks.
3632 #define ZDB_OT_DEFERRED (DMU_OT_NUMTYPES + 0)
3633 #define ZDB_OT_DITTO (DMU_OT_NUMTYPES + 1)
3634 #define ZDB_OT_OTHER (DMU_OT_NUMTYPES + 2)
3635 #define ZDB_OT_TOTAL (DMU_OT_NUMTYPES + 3)
3637 static const char *zdb_ot_extname
[] = {
3644 #define ZB_TOTAL DN_MAX_LEVELS
3646 typedef struct zdb_cb
{
3647 zdb_blkstats_t zcb_type
[ZB_TOTAL
+ 1][ZDB_OT_TOTAL
+ 1];
3648 uint64_t zcb_removing_size
;
3649 uint64_t zcb_checkpoint_size
;
3650 uint64_t zcb_dedup_asize
;
3651 uint64_t zcb_dedup_blocks
;
3652 uint64_t zcb_embedded_blocks
[NUM_BP_EMBEDDED_TYPES
];
3653 uint64_t zcb_embedded_histogram
[NUM_BP_EMBEDDED_TYPES
]
3654 [BPE_PAYLOAD_SIZE
+ 1];
3656 hrtime_t zcb_lastprint
;
3657 uint64_t zcb_totalasize
;
3658 uint64_t zcb_errors
[256];
3662 uint32_t **zcb_vd_obsolete_counts
;
3665 /* test if two DVA offsets from same vdev are within the same metaslab */
3667 same_metaslab(spa_t
*spa
, uint64_t vdev
, uint64_t off1
, uint64_t off2
)
3669 vdev_t
*vd
= vdev_lookup_top(spa
, vdev
);
3670 uint64_t ms_shift
= vd
->vdev_ms_shift
;
3672 return ((off1
>> ms_shift
) == (off2
>> ms_shift
));
3676 zdb_count_block(zdb_cb_t
*zcb
, zilog_t
*zilog
, const blkptr_t
*bp
,
3677 dmu_object_type_t type
)
3679 uint64_t refcnt
= 0;
3682 ASSERT(type
< ZDB_OT_TOTAL
);
3684 if (zilog
&& zil_bp_tree_add(zilog
, bp
) != 0)
3687 spa_config_enter(zcb
->zcb_spa
, SCL_CONFIG
, FTAG
, RW_READER
);
3689 for (i
= 0; i
< 4; i
++) {
3690 int l
= (i
< 2) ? BP_GET_LEVEL(bp
) : ZB_TOTAL
;
3691 int t
= (i
& 1) ? type
: ZDB_OT_TOTAL
;
3693 zdb_blkstats_t
*zb
= &zcb
->zcb_type
[l
][t
];
3695 zb
->zb_asize
+= BP_GET_ASIZE(bp
);
3696 zb
->zb_lsize
+= BP_GET_LSIZE(bp
);
3697 zb
->zb_psize
+= BP_GET_PSIZE(bp
);
3701 * The histogram is only big enough to record blocks up to
3702 * SPA_OLD_MAXBLOCKSIZE; larger blocks go into the last,
3705 unsigned idx
= BP_GET_PSIZE(bp
) >> SPA_MINBLOCKSHIFT
;
3706 idx
= MIN(idx
, SPA_OLD_MAXBLOCKSIZE
/ SPA_MINBLOCKSIZE
+ 1);
3707 zb
->zb_psize_histogram
[idx
]++;
3709 zb
->zb_gangs
+= BP_COUNT_GANG(bp
);
3711 switch (BP_GET_NDVAS(bp
)) {
3713 if (DVA_GET_VDEV(&bp
->blk_dva
[0]) ==
3714 DVA_GET_VDEV(&bp
->blk_dva
[1])) {
3715 zb
->zb_ditto_samevdev
++;
3717 if (same_metaslab(zcb
->zcb_spa
,
3718 DVA_GET_VDEV(&bp
->blk_dva
[0]),
3719 DVA_GET_OFFSET(&bp
->blk_dva
[0]),
3720 DVA_GET_OFFSET(&bp
->blk_dva
[1])))
3721 zb
->zb_ditto_same_ms
++;
3725 equal
= (DVA_GET_VDEV(&bp
->blk_dva
[0]) ==
3726 DVA_GET_VDEV(&bp
->blk_dva
[1])) +
3727 (DVA_GET_VDEV(&bp
->blk_dva
[0]) ==
3728 DVA_GET_VDEV(&bp
->blk_dva
[2])) +
3729 (DVA_GET_VDEV(&bp
->blk_dva
[1]) ==
3730 DVA_GET_VDEV(&bp
->blk_dva
[2]));
3732 zb
->zb_ditto_samevdev
++;
3734 if (DVA_GET_VDEV(&bp
->blk_dva
[0]) ==
3735 DVA_GET_VDEV(&bp
->blk_dva
[1]) &&
3736 same_metaslab(zcb
->zcb_spa
,
3737 DVA_GET_VDEV(&bp
->blk_dva
[0]),
3738 DVA_GET_OFFSET(&bp
->blk_dva
[0]),
3739 DVA_GET_OFFSET(&bp
->blk_dva
[1])))
3740 zb
->zb_ditto_same_ms
++;
3741 else if (DVA_GET_VDEV(&bp
->blk_dva
[0]) ==
3742 DVA_GET_VDEV(&bp
->blk_dva
[2]) &&
3743 same_metaslab(zcb
->zcb_spa
,
3744 DVA_GET_VDEV(&bp
->blk_dva
[0]),
3745 DVA_GET_OFFSET(&bp
->blk_dva
[0]),
3746 DVA_GET_OFFSET(&bp
->blk_dva
[2])))
3747 zb
->zb_ditto_same_ms
++;
3748 else if (DVA_GET_VDEV(&bp
->blk_dva
[1]) ==
3749 DVA_GET_VDEV(&bp
->blk_dva
[2]) &&
3750 same_metaslab(zcb
->zcb_spa
,
3751 DVA_GET_VDEV(&bp
->blk_dva
[1]),
3752 DVA_GET_OFFSET(&bp
->blk_dva
[1]),
3753 DVA_GET_OFFSET(&bp
->blk_dva
[2])))
3754 zb
->zb_ditto_same_ms
++;
3760 spa_config_exit(zcb
->zcb_spa
, SCL_CONFIG
, FTAG
);
3762 if (BP_IS_EMBEDDED(bp
)) {
3763 zcb
->zcb_embedded_blocks
[BPE_GET_ETYPE(bp
)]++;
3764 zcb
->zcb_embedded_histogram
[BPE_GET_ETYPE(bp
)]
3765 [BPE_GET_PSIZE(bp
)]++;
3772 if (BP_GET_DEDUP(bp
)) {
3776 ddt
= ddt_select(zcb
->zcb_spa
, bp
);
3778 dde
= ddt_lookup(ddt
, bp
, B_FALSE
);
3783 ddt_phys_t
*ddp
= ddt_phys_select(dde
, bp
);
3784 ddt_phys_decref(ddp
);
3785 refcnt
= ddp
->ddp_refcnt
;
3786 if (ddt_phys_total_refcnt(dde
) == 0)
3787 ddt_remove(ddt
, dde
);
3792 VERIFY3U(zio_wait(zio_claim(NULL
, zcb
->zcb_spa
,
3793 refcnt
? 0 : spa_min_claim_txg(zcb
->zcb_spa
),
3794 bp
, NULL
, NULL
, ZIO_FLAG_CANFAIL
)), ==, 0);
3798 zdb_blkptr_done(zio_t
*zio
)
3800 spa_t
*spa
= zio
->io_spa
;
3801 blkptr_t
*bp
= zio
->io_bp
;
3802 int ioerr
= zio
->io_error
;
3803 zdb_cb_t
*zcb
= zio
->io_private
;
3804 zbookmark_phys_t
*zb
= &zio
->io_bookmark
;
3806 abd_free(zio
->io_abd
);
3808 mutex_enter(&spa
->spa_scrub_lock
);
3809 spa
->spa_load_verify_bytes
-= BP_GET_PSIZE(bp
);
3810 cv_broadcast(&spa
->spa_scrub_io_cv
);
3812 if (ioerr
&& !(zio
->io_flags
& ZIO_FLAG_SPECULATIVE
)) {
3813 char blkbuf
[BP_SPRINTF_LEN
];
3815 zcb
->zcb_haderrors
= 1;
3816 zcb
->zcb_errors
[ioerr
]++;
3818 if (dump_opt
['b'] >= 2)
3819 snprintf_blkptr(blkbuf
, sizeof (blkbuf
), bp
);
3823 (void) printf("zdb_blkptr_cb: "
3824 "Got error %d reading "
3825 "<%llu, %llu, %lld, %llx> %s -- skipping\n",
3827 (u_longlong_t
)zb
->zb_objset
,
3828 (u_longlong_t
)zb
->zb_object
,
3829 (u_longlong_t
)zb
->zb_level
,
3830 (u_longlong_t
)zb
->zb_blkid
,
3833 mutex_exit(&spa
->spa_scrub_lock
);
3837 zdb_blkptr_cb(spa_t
*spa
, zilog_t
*zilog
, const blkptr_t
*bp
,
3838 const zbookmark_phys_t
*zb
, const dnode_phys_t
*dnp
, void *arg
)
3840 zdb_cb_t
*zcb
= arg
;
3841 dmu_object_type_t type
;
3842 boolean_t is_metadata
;
3844 if (zb
->zb_level
== ZB_DNODE_LEVEL
)
3847 if (dump_opt
['b'] >= 5 && bp
->blk_birth
> 0) {
3848 char blkbuf
[BP_SPRINTF_LEN
];
3849 snprintf_blkptr(blkbuf
, sizeof (blkbuf
), bp
);
3850 (void) printf("objset %llu object %llu "
3851 "level %lld offset 0x%llx %s\n",
3852 (u_longlong_t
)zb
->zb_objset
,
3853 (u_longlong_t
)zb
->zb_object
,
3854 (longlong_t
)zb
->zb_level
,
3855 (u_longlong_t
)blkid2offset(dnp
, bp
, zb
),
3859 if (BP_IS_HOLE(bp
) || BP_IS_REDACTED(bp
))
3862 type
= BP_GET_TYPE(bp
);
3864 zdb_count_block(zcb
, zilog
, bp
,
3865 (type
& DMU_OT_NEWTYPE
) ? ZDB_OT_OTHER
: type
);
3867 is_metadata
= (BP_GET_LEVEL(bp
) != 0 || DMU_OT_IS_METADATA(type
));
3869 if (!BP_IS_EMBEDDED(bp
) &&
3870 (dump_opt
['c'] > 1 || (dump_opt
['c'] && is_metadata
))) {
3871 size_t size
= BP_GET_PSIZE(bp
);
3872 abd_t
*abd
= abd_alloc(size
, B_FALSE
);
3873 int flags
= ZIO_FLAG_CANFAIL
| ZIO_FLAG_SCRUB
| ZIO_FLAG_RAW
;
3875 /* If it's an intent log block, failure is expected. */
3876 if (zb
->zb_level
== ZB_ZIL_LEVEL
)
3877 flags
|= ZIO_FLAG_SPECULATIVE
;
3879 mutex_enter(&spa
->spa_scrub_lock
);
3880 while (spa
->spa_load_verify_bytes
> max_inflight_bytes
)
3881 cv_wait(&spa
->spa_scrub_io_cv
, &spa
->spa_scrub_lock
);
3882 spa
->spa_load_verify_bytes
+= size
;
3883 mutex_exit(&spa
->spa_scrub_lock
);
3885 zio_nowait(zio_read(NULL
, spa
, bp
, abd
, size
,
3886 zdb_blkptr_done
, zcb
, ZIO_PRIORITY_ASYNC_READ
, flags
, zb
));
3889 zcb
->zcb_readfails
= 0;
3891 /* only call gethrtime() every 100 blocks */
3898 if (dump_opt
['b'] < 5 && gethrtime() > zcb
->zcb_lastprint
+ NANOSEC
) {
3899 uint64_t now
= gethrtime();
3901 uint64_t bytes
= zcb
->zcb_type
[ZB_TOTAL
][ZDB_OT_TOTAL
].zb_asize
;
3903 1 + bytes
/ (1 + ((now
- zcb
->zcb_start
) / 1000 / 1000));
3905 (zcb
->zcb_totalasize
- bytes
) / 1024 / kb_per_sec
;
3907 /* make sure nicenum has enough space */
3908 CTASSERT(sizeof (buf
) >= NN_NUMBUF_SZ
);
3910 zfs_nicebytes(bytes
, buf
, sizeof (buf
));
3911 (void) fprintf(stderr
,
3912 "\r%5s completed (%4dMB/s) "
3913 "estimated time remaining: %uhr %02umin %02usec ",
3914 buf
, kb_per_sec
/ 1024,
3915 sec_remaining
/ 60 / 60,
3916 sec_remaining
/ 60 % 60,
3917 sec_remaining
% 60);
3919 zcb
->zcb_lastprint
= now
;
3926 zdb_leak(void *arg
, uint64_t start
, uint64_t size
)
3930 (void) printf("leaked space: vdev %llu, offset 0x%llx, size %llu\n",
3931 (u_longlong_t
)vd
->vdev_id
, (u_longlong_t
)start
, (u_longlong_t
)size
);
3934 static metaslab_ops_t zdb_metaslab_ops
= {
3938 typedef int (*zdb_log_sm_cb_t
)(spa_t
*spa
, space_map_entry_t
*sme
,
3939 uint64_t txg
, void *arg
);
3941 typedef struct unflushed_iter_cb_arg
{
3945 zdb_log_sm_cb_t uic_cb
;
3946 } unflushed_iter_cb_arg_t
;
3949 iterate_through_spacemap_logs_cb(space_map_entry_t
*sme
, void *arg
)
3951 unflushed_iter_cb_arg_t
*uic
= arg
;
3952 return (uic
->uic_cb(uic
->uic_spa
, sme
, uic
->uic_txg
, uic
->uic_arg
));
3956 iterate_through_spacemap_logs(spa_t
*spa
, zdb_log_sm_cb_t cb
, void *arg
)
3958 if (!spa_feature_is_active(spa
, SPA_FEATURE_LOG_SPACEMAP
))
3961 spa_config_enter(spa
, SCL_CONFIG
, FTAG
, RW_READER
);
3962 for (spa_log_sm_t
*sls
= avl_first(&spa
->spa_sm_logs_by_txg
);
3963 sls
; sls
= AVL_NEXT(&spa
->spa_sm_logs_by_txg
, sls
)) {
3964 space_map_t
*sm
= NULL
;
3965 VERIFY0(space_map_open(&sm
, spa_meta_objset(spa
),
3966 sls
->sls_sm_obj
, 0, UINT64_MAX
, SPA_MINBLOCKSHIFT
));
3968 unflushed_iter_cb_arg_t uic
= {
3970 .uic_txg
= sls
->sls_txg
,
3975 VERIFY0(space_map_iterate(sm
, space_map_length(sm
),
3976 iterate_through_spacemap_logs_cb
, &uic
));
3977 space_map_close(sm
);
3979 spa_config_exit(spa
, SCL_CONFIG
, FTAG
);
3984 load_unflushed_svr_segs_cb(spa_t
*spa
, space_map_entry_t
*sme
,
3985 uint64_t txg
, void *arg
)
3987 spa_vdev_removal_t
*svr
= arg
;
3989 uint64_t offset
= sme
->sme_offset
;
3990 uint64_t size
= sme
->sme_run
;
3992 /* skip vdevs we don't care about */
3993 if (sme
->sme_vdev
!= svr
->svr_vdev_id
)
3996 vdev_t
*vd
= vdev_lookup_top(spa
, sme
->sme_vdev
);
3997 metaslab_t
*ms
= vd
->vdev_ms
[offset
>> vd
->vdev_ms_shift
];
3998 ASSERT(sme
->sme_type
== SM_ALLOC
|| sme
->sme_type
== SM_FREE
);
4000 if (txg
< metaslab_unflushed_txg(ms
))
4003 vdev_indirect_mapping_t
*vim
= vd
->vdev_indirect_mapping
;
4004 ASSERT(vim
!= NULL
);
4005 if (offset
>= vdev_indirect_mapping_max_offset(vim
))
4008 if (sme
->sme_type
== SM_ALLOC
)
4009 range_tree_add(svr
->svr_allocd_segs
, offset
, size
);
4011 range_tree_remove(svr
->svr_allocd_segs
, offset
, size
);
4018 claim_segment_impl_cb(uint64_t inner_offset
, vdev_t
*vd
, uint64_t offset
,
4019 uint64_t size
, void *arg
)
4022 * This callback was called through a remap from
4023 * a device being removed. Therefore, the vdev that
4024 * this callback is applied to is a concrete
4027 ASSERT(vdev_is_concrete(vd
));
4029 VERIFY0(metaslab_claim_impl(vd
, offset
, size
,
4030 spa_min_claim_txg(vd
->vdev_spa
)));
4034 claim_segment_cb(void *arg
, uint64_t offset
, uint64_t size
)
4038 vdev_indirect_ops
.vdev_op_remap(vd
, offset
, size
,
4039 claim_segment_impl_cb
, NULL
);
4043 * After accounting for all allocated blocks that are directly referenced,
4044 * we might have missed a reference to a block from a partially complete
4045 * (and thus unused) indirect mapping object. We perform a secondary pass
4046 * through the metaslabs we have already mapped and claim the destination
4050 zdb_claim_removing(spa_t
*spa
, zdb_cb_t
*zcb
)
4055 if (spa
->spa_vdev_removal
== NULL
)
4058 spa_config_enter(spa
, SCL_CONFIG
, FTAG
, RW_READER
);
4060 spa_vdev_removal_t
*svr
= spa
->spa_vdev_removal
;
4061 vdev_t
*vd
= vdev_lookup_top(spa
, svr
->svr_vdev_id
);
4062 vdev_indirect_mapping_t
*vim
= vd
->vdev_indirect_mapping
;
4064 ASSERT0(range_tree_space(svr
->svr_allocd_segs
));
4066 range_tree_t
*allocs
= range_tree_create(NULL
, RANGE_SEG64
, NULL
, 0, 0);
4067 for (uint64_t msi
= 0; msi
< vd
->vdev_ms_count
; msi
++) {
4068 metaslab_t
*msp
= vd
->vdev_ms
[msi
];
4070 if (msp
->ms_start
>= vdev_indirect_mapping_max_offset(vim
))
4073 ASSERT0(range_tree_space(allocs
));
4074 if (msp
->ms_sm
!= NULL
)
4075 VERIFY0(space_map_load(msp
->ms_sm
, allocs
, SM_ALLOC
));
4076 range_tree_vacate(allocs
, range_tree_add
, svr
->svr_allocd_segs
);
4078 range_tree_destroy(allocs
);
4080 iterate_through_spacemap_logs(spa
, load_unflushed_svr_segs_cb
, svr
);
4083 * Clear everything past what has been synced,
4084 * because we have not allocated mappings for
4087 range_tree_clear(svr
->svr_allocd_segs
,
4088 vdev_indirect_mapping_max_offset(vim
),
4089 vd
->vdev_asize
- vdev_indirect_mapping_max_offset(vim
));
4091 zcb
->zcb_removing_size
+= range_tree_space(svr
->svr_allocd_segs
);
4092 range_tree_vacate(svr
->svr_allocd_segs
, claim_segment_cb
, vd
);
4094 spa_config_exit(spa
, SCL_CONFIG
, FTAG
);
4099 increment_indirect_mapping_cb(void *arg
, const blkptr_t
*bp
, boolean_t bp_freed
,
4102 zdb_cb_t
*zcb
= arg
;
4103 spa_t
*spa
= zcb
->zcb_spa
;
4105 const dva_t
*dva
= &bp
->blk_dva
[0];
4108 ASSERT(!dump_opt
['L']);
4109 ASSERT3U(BP_GET_NDVAS(bp
), ==, 1);
4111 spa_config_enter(spa
, SCL_VDEV
, FTAG
, RW_READER
);
4112 vd
= vdev_lookup_top(zcb
->zcb_spa
, DVA_GET_VDEV(dva
));
4113 ASSERT3P(vd
, !=, NULL
);
4114 spa_config_exit(spa
, SCL_VDEV
, FTAG
);
4116 ASSERT(vd
->vdev_indirect_config
.vic_mapping_object
!= 0);
4117 ASSERT3P(zcb
->zcb_vd_obsolete_counts
[vd
->vdev_id
], !=, NULL
);
4119 vdev_indirect_mapping_increment_obsolete_count(
4120 vd
->vdev_indirect_mapping
,
4121 DVA_GET_OFFSET(dva
), DVA_GET_ASIZE(dva
),
4122 zcb
->zcb_vd_obsolete_counts
[vd
->vdev_id
]);
4128 zdb_load_obsolete_counts(vdev_t
*vd
)
4130 vdev_indirect_mapping_t
*vim
= vd
->vdev_indirect_mapping
;
4131 spa_t
*spa
= vd
->vdev_spa
;
4132 spa_condensing_indirect_phys_t
*scip
=
4133 &spa
->spa_condensing_indirect_phys
;
4134 uint64_t obsolete_sm_object
;
4137 VERIFY0(vdev_obsolete_sm_object(vd
, &obsolete_sm_object
));
4138 EQUIV(obsolete_sm_object
!= 0, vd
->vdev_obsolete_sm
!= NULL
);
4139 counts
= vdev_indirect_mapping_load_obsolete_counts(vim
);
4140 if (vd
->vdev_obsolete_sm
!= NULL
) {
4141 vdev_indirect_mapping_load_obsolete_spacemap(vim
, counts
,
4142 vd
->vdev_obsolete_sm
);
4144 if (scip
->scip_vdev
== vd
->vdev_id
&&
4145 scip
->scip_prev_obsolete_sm_object
!= 0) {
4146 space_map_t
*prev_obsolete_sm
= NULL
;
4147 VERIFY0(space_map_open(&prev_obsolete_sm
, spa
->spa_meta_objset
,
4148 scip
->scip_prev_obsolete_sm_object
, 0, vd
->vdev_asize
, 0));
4149 vdev_indirect_mapping_load_obsolete_spacemap(vim
, counts
,
4151 space_map_close(prev_obsolete_sm
);
4157 zdb_ddt_leak_init(spa_t
*spa
, zdb_cb_t
*zcb
)
4164 ASSERT(!dump_opt
['L']);
4166 bzero(&ddb
, sizeof (ddb
));
4167 while ((error
= ddt_walk(spa
, &ddb
, &dde
)) == 0) {
4169 ddt_phys_t
*ddp
= dde
.dde_phys
;
4171 if (ddb
.ddb_class
== DDT_CLASS_UNIQUE
)
4174 ASSERT(ddt_phys_total_refcnt(&dde
) > 1);
4176 for (p
= 0; p
< DDT_PHYS_TYPES
; p
++, ddp
++) {
4177 if (ddp
->ddp_phys_birth
== 0)
4179 ddt_bp_create(ddb
.ddb_checksum
,
4180 &dde
.dde_key
, ddp
, &blk
);
4181 if (p
== DDT_PHYS_DITTO
) {
4182 zdb_count_block(zcb
, NULL
, &blk
, ZDB_OT_DITTO
);
4184 zcb
->zcb_dedup_asize
+=
4185 BP_GET_ASIZE(&blk
) * (ddp
->ddp_refcnt
- 1);
4186 zcb
->zcb_dedup_blocks
++;
4189 ddt_t
*ddt
= spa
->spa_ddt
[ddb
.ddb_checksum
];
4191 VERIFY(ddt_lookup(ddt
, &blk
, B_TRUE
) != NULL
);
4195 ASSERT(error
== ENOENT
);
4198 typedef struct checkpoint_sm_exclude_entry_arg
{
4200 uint64_t cseea_checkpoint_size
;
4201 } checkpoint_sm_exclude_entry_arg_t
;
4204 checkpoint_sm_exclude_entry_cb(space_map_entry_t
*sme
, void *arg
)
4206 checkpoint_sm_exclude_entry_arg_t
*cseea
= arg
;
4207 vdev_t
*vd
= cseea
->cseea_vd
;
4208 metaslab_t
*ms
= vd
->vdev_ms
[sme
->sme_offset
>> vd
->vdev_ms_shift
];
4209 uint64_t end
= sme
->sme_offset
+ sme
->sme_run
;
4211 ASSERT(sme
->sme_type
== SM_FREE
);
4214 * Since the vdev_checkpoint_sm exists in the vdev level
4215 * and the ms_sm space maps exist in the metaslab level,
4216 * an entry in the checkpoint space map could theoretically
4217 * cross the boundaries of the metaslab that it belongs.
4219 * In reality, because of the way that we populate and
4220 * manipulate the checkpoint's space maps currently,
4221 * there shouldn't be any entries that cross metaslabs.
4222 * Hence the assertion below.
4224 * That said, there is no fundamental requirement that
4225 * the checkpoint's space map entries should not cross
4226 * metaslab boundaries. So if needed we could add code
4227 * that handles metaslab-crossing segments in the future.
4229 VERIFY3U(sme
->sme_offset
, >=, ms
->ms_start
);
4230 VERIFY3U(end
, <=, ms
->ms_start
+ ms
->ms_size
);
4233 * By removing the entry from the allocated segments we
4234 * also verify that the entry is there to begin with.
4236 mutex_enter(&ms
->ms_lock
);
4237 range_tree_remove(ms
->ms_allocatable
, sme
->sme_offset
, sme
->sme_run
);
4238 mutex_exit(&ms
->ms_lock
);
4240 cseea
->cseea_checkpoint_size
+= sme
->sme_run
;
4245 zdb_leak_init_vdev_exclude_checkpoint(vdev_t
*vd
, zdb_cb_t
*zcb
)
4247 spa_t
*spa
= vd
->vdev_spa
;
4248 space_map_t
*checkpoint_sm
= NULL
;
4249 uint64_t checkpoint_sm_obj
;
4252 * If there is no vdev_top_zap, we are in a pool whose
4253 * version predates the pool checkpoint feature.
4255 if (vd
->vdev_top_zap
== 0)
4259 * If there is no reference of the vdev_checkpoint_sm in
4260 * the vdev_top_zap, then one of the following scenarios
4263 * 1] There is no checkpoint
4264 * 2] There is a checkpoint, but no checkpointed blocks
4265 * have been freed yet
4266 * 3] The current vdev is indirect
4268 * In these cases we return immediately.
4270 if (zap_contains(spa_meta_objset(spa
), vd
->vdev_top_zap
,
4271 VDEV_TOP_ZAP_POOL_CHECKPOINT_SM
) != 0)
4274 VERIFY0(zap_lookup(spa_meta_objset(spa
), vd
->vdev_top_zap
,
4275 VDEV_TOP_ZAP_POOL_CHECKPOINT_SM
, sizeof (uint64_t), 1,
4276 &checkpoint_sm_obj
));
4278 checkpoint_sm_exclude_entry_arg_t cseea
;
4279 cseea
.cseea_vd
= vd
;
4280 cseea
.cseea_checkpoint_size
= 0;
4282 VERIFY0(space_map_open(&checkpoint_sm
, spa_meta_objset(spa
),
4283 checkpoint_sm_obj
, 0, vd
->vdev_asize
, vd
->vdev_ashift
));
4285 VERIFY0(space_map_iterate(checkpoint_sm
,
4286 space_map_length(checkpoint_sm
),
4287 checkpoint_sm_exclude_entry_cb
, &cseea
));
4288 space_map_close(checkpoint_sm
);
4290 zcb
->zcb_checkpoint_size
+= cseea
.cseea_checkpoint_size
;
4294 zdb_leak_init_exclude_checkpoint(spa_t
*spa
, zdb_cb_t
*zcb
)
4296 ASSERT(!dump_opt
['L']);
4298 vdev_t
*rvd
= spa
->spa_root_vdev
;
4299 for (uint64_t c
= 0; c
< rvd
->vdev_children
; c
++) {
4300 ASSERT3U(c
, ==, rvd
->vdev_child
[c
]->vdev_id
);
4301 zdb_leak_init_vdev_exclude_checkpoint(rvd
->vdev_child
[c
], zcb
);
4306 count_unflushed_space_cb(spa_t
*spa
, space_map_entry_t
*sme
,
4307 uint64_t txg
, void *arg
)
4309 int64_t *ualloc_space
= arg
;
4311 uint64_t offset
= sme
->sme_offset
;
4312 uint64_t vdev_id
= sme
->sme_vdev
;
4314 vdev_t
*vd
= vdev_lookup_top(spa
, vdev_id
);
4315 if (!vdev_is_concrete(vd
))
4318 metaslab_t
*ms
= vd
->vdev_ms
[offset
>> vd
->vdev_ms_shift
];
4319 ASSERT(sme
->sme_type
== SM_ALLOC
|| sme
->sme_type
== SM_FREE
);
4321 if (txg
< metaslab_unflushed_txg(ms
))
4324 if (sme
->sme_type
== SM_ALLOC
)
4325 *ualloc_space
+= sme
->sme_run
;
4327 *ualloc_space
-= sme
->sme_run
;
4333 get_unflushed_alloc_space(spa_t
*spa
)
4338 int64_t ualloc_space
= 0;
4339 iterate_through_spacemap_logs(spa
, count_unflushed_space_cb
,
4341 return (ualloc_space
);
4345 load_unflushed_cb(spa_t
*spa
, space_map_entry_t
*sme
, uint64_t txg
, void *arg
)
4347 maptype_t
*uic_maptype
= arg
;
4349 uint64_t offset
= sme
->sme_offset
;
4350 uint64_t size
= sme
->sme_run
;
4351 uint64_t vdev_id
= sme
->sme_vdev
;
4353 vdev_t
*vd
= vdev_lookup_top(spa
, vdev_id
);
4355 /* skip indirect vdevs */
4356 if (!vdev_is_concrete(vd
))
4359 metaslab_t
*ms
= vd
->vdev_ms
[offset
>> vd
->vdev_ms_shift
];
4361 ASSERT(sme
->sme_type
== SM_ALLOC
|| sme
->sme_type
== SM_FREE
);
4362 ASSERT(*uic_maptype
== SM_ALLOC
|| *uic_maptype
== SM_FREE
);
4364 if (txg
< metaslab_unflushed_txg(ms
))
4367 if (*uic_maptype
== sme
->sme_type
)
4368 range_tree_add(ms
->ms_allocatable
, offset
, size
);
4370 range_tree_remove(ms
->ms_allocatable
, offset
, size
);
4376 load_unflushed_to_ms_allocatables(spa_t
*spa
, maptype_t maptype
)
4378 iterate_through_spacemap_logs(spa
, load_unflushed_cb
, &maptype
);
4382 load_concrete_ms_allocatable_trees(spa_t
*spa
, maptype_t maptype
)
4384 vdev_t
*rvd
= spa
->spa_root_vdev
;
4385 for (uint64_t i
= 0; i
< rvd
->vdev_children
; i
++) {
4386 vdev_t
*vd
= rvd
->vdev_child
[i
];
4388 ASSERT3U(i
, ==, vd
->vdev_id
);
4390 if (vd
->vdev_ops
== &vdev_indirect_ops
)
4393 for (uint64_t m
= 0; m
< vd
->vdev_ms_count
; m
++) {
4394 metaslab_t
*msp
= vd
->vdev_ms
[m
];
4396 (void) fprintf(stderr
,
4397 "\rloading concrete vdev %llu, "
4398 "metaslab %llu of %llu ...",
4399 (longlong_t
)vd
->vdev_id
,
4400 (longlong_t
)msp
->ms_id
,
4401 (longlong_t
)vd
->vdev_ms_count
);
4403 mutex_enter(&msp
->ms_lock
);
4404 range_tree_vacate(msp
->ms_allocatable
, NULL
, NULL
);
4407 * We don't want to spend the CPU manipulating the
4408 * size-ordered tree, so clear the range_tree ops.
4410 msp
->ms_allocatable
->rt_ops
= NULL
;
4412 if (msp
->ms_sm
!= NULL
) {
4413 VERIFY0(space_map_load(msp
->ms_sm
,
4414 msp
->ms_allocatable
, maptype
));
4416 if (!msp
->ms_loaded
)
4417 msp
->ms_loaded
= B_TRUE
;
4418 mutex_exit(&msp
->ms_lock
);
4422 load_unflushed_to_ms_allocatables(spa
, maptype
);
4426 * vm_idxp is an in-out parameter which (for indirect vdevs) is the
4427 * index in vim_entries that has the first entry in this metaslab.
4428 * On return, it will be set to the first entry after this metaslab.
4431 load_indirect_ms_allocatable_tree(vdev_t
*vd
, metaslab_t
*msp
,
4434 vdev_indirect_mapping_t
*vim
= vd
->vdev_indirect_mapping
;
4436 mutex_enter(&msp
->ms_lock
);
4437 range_tree_vacate(msp
->ms_allocatable
, NULL
, NULL
);
4440 * We don't want to spend the CPU manipulating the
4441 * size-ordered tree, so clear the range_tree ops.
4443 msp
->ms_allocatable
->rt_ops
= NULL
;
4445 for (; *vim_idxp
< vdev_indirect_mapping_num_entries(vim
);
4447 vdev_indirect_mapping_entry_phys_t
*vimep
=
4448 &vim
->vim_entries
[*vim_idxp
];
4449 uint64_t ent_offset
= DVA_MAPPING_GET_SRC_OFFSET(vimep
);
4450 uint64_t ent_len
= DVA_GET_ASIZE(&vimep
->vimep_dst
);
4451 ASSERT3U(ent_offset
, >=, msp
->ms_start
);
4452 if (ent_offset
>= msp
->ms_start
+ msp
->ms_size
)
4456 * Mappings do not cross metaslab boundaries,
4457 * because we create them by walking the metaslabs.
4459 ASSERT3U(ent_offset
+ ent_len
, <=,
4460 msp
->ms_start
+ msp
->ms_size
);
4461 range_tree_add(msp
->ms_allocatable
, ent_offset
, ent_len
);
4464 if (!msp
->ms_loaded
)
4465 msp
->ms_loaded
= B_TRUE
;
4466 mutex_exit(&msp
->ms_lock
);
4470 zdb_leak_init_prepare_indirect_vdevs(spa_t
*spa
, zdb_cb_t
*zcb
)
4472 ASSERT(!dump_opt
['L']);
4474 vdev_t
*rvd
= spa
->spa_root_vdev
;
4475 for (uint64_t c
= 0; c
< rvd
->vdev_children
; c
++) {
4476 vdev_t
*vd
= rvd
->vdev_child
[c
];
4478 ASSERT3U(c
, ==, vd
->vdev_id
);
4480 if (vd
->vdev_ops
!= &vdev_indirect_ops
)
4484 * Note: we don't check for mapping leaks on
4485 * removing vdevs because their ms_allocatable's
4486 * are used to look for leaks in allocated space.
4488 zcb
->zcb_vd_obsolete_counts
[c
] = zdb_load_obsolete_counts(vd
);
4491 * Normally, indirect vdevs don't have any
4492 * metaslabs. We want to set them up for
4495 VERIFY0(vdev_metaslab_init(vd
, 0));
4497 vdev_indirect_mapping_t
*vim
= vd
->vdev_indirect_mapping
;
4498 uint64_t vim_idx
= 0;
4499 for (uint64_t m
= 0; m
< vd
->vdev_ms_count
; m
++) {
4501 (void) fprintf(stderr
,
4502 "\rloading indirect vdev %llu, "
4503 "metaslab %llu of %llu ...",
4504 (longlong_t
)vd
->vdev_id
,
4505 (longlong_t
)vd
->vdev_ms
[m
]->ms_id
,
4506 (longlong_t
)vd
->vdev_ms_count
);
4508 load_indirect_ms_allocatable_tree(vd
, vd
->vdev_ms
[m
],
4511 ASSERT3U(vim_idx
, ==, vdev_indirect_mapping_num_entries(vim
));
4516 zdb_leak_init(spa_t
*spa
, zdb_cb_t
*zcb
)
4523 dsl_pool_t
*dp
= spa
->spa_dsl_pool
;
4524 vdev_t
*rvd
= spa
->spa_root_vdev
;
4527 * We are going to be changing the meaning of the metaslab's
4528 * ms_allocatable. Ensure that the allocator doesn't try to
4531 spa
->spa_normal_class
->mc_ops
= &zdb_metaslab_ops
;
4532 spa
->spa_log_class
->mc_ops
= &zdb_metaslab_ops
;
4534 zcb
->zcb_vd_obsolete_counts
=
4535 umem_zalloc(rvd
->vdev_children
* sizeof (uint32_t *),
4539 * For leak detection, we overload the ms_allocatable trees
4540 * to contain allocated segments instead of free segments.
4541 * As a result, we can't use the normal metaslab_load/unload
4544 zdb_leak_init_prepare_indirect_vdevs(spa
, zcb
);
4545 load_concrete_ms_allocatable_trees(spa
, SM_ALLOC
);
4548 * On load_concrete_ms_allocatable_trees() we loaded all the
4549 * allocated entries from the ms_sm to the ms_allocatable for
4550 * each metaslab. If the pool has a checkpoint or is in the
4551 * middle of discarding a checkpoint, some of these blocks
4552 * may have been freed but their ms_sm may not have been
4553 * updated because they are referenced by the checkpoint. In
4554 * order to avoid false-positives during leak-detection, we
4555 * go through the vdev's checkpoint space map and exclude all
4556 * its entries from their relevant ms_allocatable.
4558 * We also aggregate the space held by the checkpoint and add
4559 * it to zcb_checkpoint_size.
4561 * Note that at this point we are also verifying that all the
4562 * entries on the checkpoint_sm are marked as allocated in
4563 * the ms_sm of their relevant metaslab.
4564 * [see comment in checkpoint_sm_exclude_entry_cb()]
4566 zdb_leak_init_exclude_checkpoint(spa
, zcb
);
4567 ASSERT3U(zcb
->zcb_checkpoint_size
, ==, spa_get_checkpoint_space(spa
));
4569 /* for cleaner progress output */
4570 (void) fprintf(stderr
, "\n");
4572 if (bpobj_is_open(&dp
->dp_obsolete_bpobj
)) {
4573 ASSERT(spa_feature_is_enabled(spa
,
4574 SPA_FEATURE_DEVICE_REMOVAL
));
4575 (void) bpobj_iterate_nofree(&dp
->dp_obsolete_bpobj
,
4576 increment_indirect_mapping_cb
, zcb
, NULL
);
4579 spa_config_enter(spa
, SCL_CONFIG
, FTAG
, RW_READER
);
4580 zdb_ddt_leak_init(spa
, zcb
);
4581 spa_config_exit(spa
, SCL_CONFIG
, FTAG
);
4585 zdb_check_for_obsolete_leaks(vdev_t
*vd
, zdb_cb_t
*zcb
)
4587 boolean_t leaks
= B_FALSE
;
4588 vdev_indirect_mapping_t
*vim
= vd
->vdev_indirect_mapping
;
4589 uint64_t total_leaked
= 0;
4590 boolean_t are_precise
= B_FALSE
;
4592 ASSERT(vim
!= NULL
);
4594 for (uint64_t i
= 0; i
< vdev_indirect_mapping_num_entries(vim
); i
++) {
4595 vdev_indirect_mapping_entry_phys_t
*vimep
=
4596 &vim
->vim_entries
[i
];
4597 uint64_t obsolete_bytes
= 0;
4598 uint64_t offset
= DVA_MAPPING_GET_SRC_OFFSET(vimep
);
4599 metaslab_t
*msp
= vd
->vdev_ms
[offset
>> vd
->vdev_ms_shift
];
4602 * This is not very efficient but it's easy to
4603 * verify correctness.
4605 for (uint64_t inner_offset
= 0;
4606 inner_offset
< DVA_GET_ASIZE(&vimep
->vimep_dst
);
4607 inner_offset
+= 1 << vd
->vdev_ashift
) {
4608 if (range_tree_contains(msp
->ms_allocatable
,
4609 offset
+ inner_offset
, 1 << vd
->vdev_ashift
)) {
4610 obsolete_bytes
+= 1 << vd
->vdev_ashift
;
4614 int64_t bytes_leaked
= obsolete_bytes
-
4615 zcb
->zcb_vd_obsolete_counts
[vd
->vdev_id
][i
];
4616 ASSERT3U(DVA_GET_ASIZE(&vimep
->vimep_dst
), >=,
4617 zcb
->zcb_vd_obsolete_counts
[vd
->vdev_id
][i
]);
4619 VERIFY0(vdev_obsolete_counts_are_precise(vd
, &are_precise
));
4620 if (bytes_leaked
!= 0 && (are_precise
|| dump_opt
['d'] >= 5)) {
4621 (void) printf("obsolete indirect mapping count "
4622 "mismatch on %llu:%llx:%llx : %llx bytes leaked\n",
4623 (u_longlong_t
)vd
->vdev_id
,
4624 (u_longlong_t
)DVA_MAPPING_GET_SRC_OFFSET(vimep
),
4625 (u_longlong_t
)DVA_GET_ASIZE(&vimep
->vimep_dst
),
4626 (u_longlong_t
)bytes_leaked
);
4628 total_leaked
+= ABS(bytes_leaked
);
4631 VERIFY0(vdev_obsolete_counts_are_precise(vd
, &are_precise
));
4632 if (!are_precise
&& total_leaked
> 0) {
4633 int pct_leaked
= total_leaked
* 100 /
4634 vdev_indirect_mapping_bytes_mapped(vim
);
4635 (void) printf("cannot verify obsolete indirect mapping "
4636 "counts of vdev %llu because precise feature was not "
4637 "enabled when it was removed: %d%% (%llx bytes) of mapping"
4639 (u_longlong_t
)vd
->vdev_id
, pct_leaked
,
4640 (u_longlong_t
)total_leaked
);
4641 } else if (total_leaked
> 0) {
4642 (void) printf("obsolete indirect mapping count mismatch "
4643 "for vdev %llu -- %llx total bytes mismatched\n",
4644 (u_longlong_t
)vd
->vdev_id
,
4645 (u_longlong_t
)total_leaked
);
4649 vdev_indirect_mapping_free_obsolete_counts(vim
,
4650 zcb
->zcb_vd_obsolete_counts
[vd
->vdev_id
]);
4651 zcb
->zcb_vd_obsolete_counts
[vd
->vdev_id
] = NULL
;
4657 zdb_leak_fini(spa_t
*spa
, zdb_cb_t
*zcb
)
4662 boolean_t leaks
= B_FALSE
;
4663 vdev_t
*rvd
= spa
->spa_root_vdev
;
4664 for (unsigned c
= 0; c
< rvd
->vdev_children
; c
++) {
4665 vdev_t
*vd
= rvd
->vdev_child
[c
];
4666 ASSERTV(metaslab_group_t
*mg
= vd
->vdev_mg
);
4668 if (zcb
->zcb_vd_obsolete_counts
[c
] != NULL
) {
4669 leaks
|= zdb_check_for_obsolete_leaks(vd
, zcb
);
4672 for (uint64_t m
= 0; m
< vd
->vdev_ms_count
; m
++) {
4673 metaslab_t
*msp
= vd
->vdev_ms
[m
];
4674 ASSERT3P(mg
, ==, msp
->ms_group
);
4677 * ms_allocatable has been overloaded
4678 * to contain allocated segments. Now that
4679 * we finished traversing all blocks, any
4680 * block that remains in the ms_allocatable
4681 * represents an allocated block that we
4682 * did not claim during the traversal.
4683 * Claimed blocks would have been removed
4684 * from the ms_allocatable. For indirect
4685 * vdevs, space remaining in the tree
4686 * represents parts of the mapping that are
4687 * not referenced, which is not a bug.
4689 if (vd
->vdev_ops
== &vdev_indirect_ops
) {
4690 range_tree_vacate(msp
->ms_allocatable
,
4693 range_tree_vacate(msp
->ms_allocatable
,
4696 if (msp
->ms_loaded
) {
4697 msp
->ms_loaded
= B_FALSE
;
4702 umem_free(zcb
->zcb_vd_obsolete_counts
,
4703 rvd
->vdev_children
* sizeof (uint32_t *));
4704 zcb
->zcb_vd_obsolete_counts
= NULL
;
4711 count_block_cb(void *arg
, const blkptr_t
*bp
, dmu_tx_t
*tx
)
4713 zdb_cb_t
*zcb
= arg
;
4715 if (dump_opt
['b'] >= 5) {
4716 char blkbuf
[BP_SPRINTF_LEN
];
4717 snprintf_blkptr(blkbuf
, sizeof (blkbuf
), bp
);
4718 (void) printf("[%s] %s\n",
4719 "deferred free", blkbuf
);
4721 zdb_count_block(zcb
, NULL
, bp
, ZDB_OT_DEFERRED
);
4726 * Iterate over livelists which have been destroyed by the user but
4727 * are still present in the MOS, waiting to be freed
4729 typedef void ll_iter_t(dsl_deadlist_t
*ll
, void *arg
);
4732 iterate_deleted_livelists(spa_t
*spa
, ll_iter_t func
, void *arg
)
4734 objset_t
*mos
= spa
->spa_meta_objset
;
4736 int err
= zap_lookup(mos
, DMU_POOL_DIRECTORY_OBJECT
,
4737 DMU_POOL_DELETED_CLONES
, sizeof (uint64_t), 1, &zap_obj
);
4743 zap_attribute_t attr
;
4745 /* NULL out os prior to dsl_deadlist_open in case it's garbage */
4747 for (zap_cursor_init(&zc
, mos
, zap_obj
);
4748 zap_cursor_retrieve(&zc
, &attr
) == 0;
4749 (void) zap_cursor_advance(&zc
)) {
4750 dsl_deadlist_open(&ll
, mos
, attr
.za_first_integer
);
4752 dsl_deadlist_close(&ll
);
4754 zap_cursor_fini(&zc
);
4758 bpobj_count_block_cb(void *arg
, const blkptr_t
*bp
, boolean_t bp_freed
,
4762 return (count_block_cb(arg
, bp
, tx
));
4766 livelist_entry_count_blocks_cb(void *args
, dsl_deadlist_entry_t
*dle
)
4768 zdb_cb_t
*zbc
= args
;
4770 bplist_create(&blks
);
4771 /* determine which blocks have been alloc'd but not freed */
4772 VERIFY0(dsl_process_sub_livelist(&dle
->dle_bpobj
, &blks
, NULL
, NULL
));
4773 /* count those blocks */
4774 (void) bplist_iterate(&blks
, count_block_cb
, zbc
, NULL
);
4775 bplist_destroy(&blks
);
4780 livelist_count_blocks(dsl_deadlist_t
*ll
, void *arg
)
4782 dsl_deadlist_iterate(ll
, livelist_entry_count_blocks_cb
, arg
);
4786 * Count the blocks in the livelists that have been destroyed by the user
4787 * but haven't yet been freed.
4790 deleted_livelists_count_blocks(spa_t
*spa
, zdb_cb_t
*zbc
)
4792 iterate_deleted_livelists(spa
, livelist_count_blocks
, zbc
);
4796 dump_livelist_cb(dsl_deadlist_t
*ll
, void *arg
)
4798 ASSERT3P(arg
, ==, NULL
);
4799 global_feature_count
[SPA_FEATURE_LIVELIST
]++;
4800 dump_blkptr_list(ll
, "Deleted Livelist");
4804 * Print out, register object references to, and increment feature counts for
4805 * livelists that have been destroyed by the user but haven't yet been freed.
4808 deleted_livelists_dump_mos(spa_t
*spa
)
4811 objset_t
*mos
= spa
->spa_meta_objset
;
4812 int err
= zap_lookup(mos
, DMU_POOL_DIRECTORY_OBJECT
,
4813 DMU_POOL_DELETED_CLONES
, sizeof (uint64_t), 1, &zap_obj
);
4816 mos_obj_refd(zap_obj
);
4817 iterate_deleted_livelists(spa
, dump_livelist_cb
, NULL
);
4821 dump_block_stats(spa_t
*spa
)
4824 zdb_blkstats_t
*zb
, *tzb
;
4825 uint64_t norm_alloc
, norm_space
, total_alloc
, total_found
;
4826 int flags
= TRAVERSE_PRE
| TRAVERSE_PREFETCH_METADATA
|
4827 TRAVERSE_NO_DECRYPT
| TRAVERSE_HARD
;
4828 boolean_t leaks
= B_FALSE
;
4830 bp_embedded_type_t i
;
4832 bzero(&zcb
, sizeof (zcb
));
4833 (void) printf("\nTraversing all blocks %s%s%s%s%s...\n\n",
4834 (dump_opt
['c'] || !dump_opt
['L']) ? "to verify " : "",
4835 (dump_opt
['c'] == 1) ? "metadata " : "",
4836 dump_opt
['c'] ? "checksums " : "",
4837 (dump_opt
['c'] && !dump_opt
['L']) ? "and verify " : "",
4838 !dump_opt
['L'] ? "nothing leaked " : "");
4841 * When leak detection is enabled we load all space maps as SM_ALLOC
4842 * maps, then traverse the pool claiming each block we discover. If
4843 * the pool is perfectly consistent, the segment trees will be empty
4844 * when we're done. Anything left over is a leak; any block we can't
4845 * claim (because it's not part of any space map) is a double
4846 * allocation, reference to a freed block, or an unclaimed log block.
4848 * When leak detection is disabled (-L option) we still traverse the
4849 * pool claiming each block we discover, but we skip opening any space
4852 bzero(&zcb
, sizeof (zdb_cb_t
));
4853 zdb_leak_init(spa
, &zcb
);
4856 * If there's a deferred-free bplist, process that first.
4858 (void) bpobj_iterate_nofree(&spa
->spa_deferred_bpobj
,
4859 bpobj_count_block_cb
, &zcb
, NULL
);
4861 if (spa_version(spa
) >= SPA_VERSION_DEADLISTS
) {
4862 (void) bpobj_iterate_nofree(&spa
->spa_dsl_pool
->dp_free_bpobj
,
4863 bpobj_count_block_cb
, &zcb
, NULL
);
4866 zdb_claim_removing(spa
, &zcb
);
4868 if (spa_feature_is_active(spa
, SPA_FEATURE_ASYNC_DESTROY
)) {
4869 VERIFY3U(0, ==, bptree_iterate(spa
->spa_meta_objset
,
4870 spa
->spa_dsl_pool
->dp_bptree_obj
, B_FALSE
, count_block_cb
,
4874 deleted_livelists_count_blocks(spa
, &zcb
);
4876 if (dump_opt
['c'] > 1)
4877 flags
|= TRAVERSE_PREFETCH_DATA
;
4879 zcb
.zcb_totalasize
= metaslab_class_get_alloc(spa_normal_class(spa
));
4880 zcb
.zcb_totalasize
+= metaslab_class_get_alloc(spa_special_class(spa
));
4881 zcb
.zcb_totalasize
+= metaslab_class_get_alloc(spa_dedup_class(spa
));
4882 zcb
.zcb_start
= zcb
.zcb_lastprint
= gethrtime();
4883 err
= traverse_pool(spa
, 0, flags
, zdb_blkptr_cb
, &zcb
);
4886 * If we've traversed the data blocks then we need to wait for those
4887 * I/Os to complete. We leverage "The Godfather" zio to wait on
4888 * all async I/Os to complete.
4890 if (dump_opt
['c']) {
4891 for (c
= 0; c
< max_ncpus
; c
++) {
4892 (void) zio_wait(spa
->spa_async_zio_root
[c
]);
4893 spa
->spa_async_zio_root
[c
] = zio_root(spa
, NULL
, NULL
,
4894 ZIO_FLAG_CANFAIL
| ZIO_FLAG_SPECULATIVE
|
4895 ZIO_FLAG_GODFATHER
);
4898 ASSERT0(spa
->spa_load_verify_bytes
);
4901 * Done after zio_wait() since zcb_haderrors is modified in
4904 zcb
.zcb_haderrors
|= err
;
4906 if (zcb
.zcb_haderrors
) {
4907 (void) printf("\nError counts:\n\n");
4908 (void) printf("\t%5s %s\n", "errno", "count");
4909 for (e
= 0; e
< 256; e
++) {
4910 if (zcb
.zcb_errors
[e
] != 0) {
4911 (void) printf("\t%5d %llu\n",
4912 e
, (u_longlong_t
)zcb
.zcb_errors
[e
]);
4918 * Report any leaked segments.
4920 leaks
|= zdb_leak_fini(spa
, &zcb
);
4922 tzb
= &zcb
.zcb_type
[ZB_TOTAL
][ZDB_OT_TOTAL
];
4924 norm_alloc
= metaslab_class_get_alloc(spa_normal_class(spa
));
4925 norm_space
= metaslab_class_get_space(spa_normal_class(spa
));
4927 total_alloc
= norm_alloc
+
4928 metaslab_class_get_alloc(spa_log_class(spa
)) +
4929 metaslab_class_get_alloc(spa_special_class(spa
)) +
4930 metaslab_class_get_alloc(spa_dedup_class(spa
)) +
4931 get_unflushed_alloc_space(spa
);
4932 total_found
= tzb
->zb_asize
- zcb
.zcb_dedup_asize
+
4933 zcb
.zcb_removing_size
+ zcb
.zcb_checkpoint_size
;
4935 if (total_found
== total_alloc
&& !dump_opt
['L']) {
4936 (void) printf("\n\tNo leaks (block sum matches space"
4937 " maps exactly)\n");
4938 } else if (!dump_opt
['L']) {
4939 (void) printf("block traversal size %llu != alloc %llu "
4941 (u_longlong_t
)total_found
,
4942 (u_longlong_t
)total_alloc
,
4943 (dump_opt
['L']) ? "unreachable" : "leaked",
4944 (longlong_t
)(total_alloc
- total_found
));
4948 if (tzb
->zb_count
== 0)
4951 (void) printf("\n");
4952 (void) printf("\t%-16s %14llu\n", "bp count:",
4953 (u_longlong_t
)tzb
->zb_count
);
4954 (void) printf("\t%-16s %14llu\n", "ganged count:",
4955 (longlong_t
)tzb
->zb_gangs
);
4956 (void) printf("\t%-16s %14llu avg: %6llu\n", "bp logical:",
4957 (u_longlong_t
)tzb
->zb_lsize
,
4958 (u_longlong_t
)(tzb
->zb_lsize
/ tzb
->zb_count
));
4959 (void) printf("\t%-16s %14llu avg: %6llu compression: %6.2f\n",
4960 "bp physical:", (u_longlong_t
)tzb
->zb_psize
,
4961 (u_longlong_t
)(tzb
->zb_psize
/ tzb
->zb_count
),
4962 (double)tzb
->zb_lsize
/ tzb
->zb_psize
);
4963 (void) printf("\t%-16s %14llu avg: %6llu compression: %6.2f\n",
4964 "bp allocated:", (u_longlong_t
)tzb
->zb_asize
,
4965 (u_longlong_t
)(tzb
->zb_asize
/ tzb
->zb_count
),
4966 (double)tzb
->zb_lsize
/ tzb
->zb_asize
);
4967 (void) printf("\t%-16s %14llu ref>1: %6llu deduplication: %6.2f\n",
4968 "bp deduped:", (u_longlong_t
)zcb
.zcb_dedup_asize
,
4969 (u_longlong_t
)zcb
.zcb_dedup_blocks
,
4970 (double)zcb
.zcb_dedup_asize
/ tzb
->zb_asize
+ 1.0);
4971 (void) printf("\t%-16s %14llu used: %5.2f%%\n", "Normal class:",
4972 (u_longlong_t
)norm_alloc
, 100.0 * norm_alloc
/ norm_space
);
4974 if (spa_special_class(spa
)->mc_rotor
!= NULL
) {
4975 uint64_t alloc
= metaslab_class_get_alloc(
4976 spa_special_class(spa
));
4977 uint64_t space
= metaslab_class_get_space(
4978 spa_special_class(spa
));
4980 (void) printf("\t%-16s %14llu used: %5.2f%%\n",
4981 "Special class", (u_longlong_t
)alloc
,
4982 100.0 * alloc
/ space
);
4985 if (spa_dedup_class(spa
)->mc_rotor
!= NULL
) {
4986 uint64_t alloc
= metaslab_class_get_alloc(
4987 spa_dedup_class(spa
));
4988 uint64_t space
= metaslab_class_get_space(
4989 spa_dedup_class(spa
));
4991 (void) printf("\t%-16s %14llu used: %5.2f%%\n",
4992 "Dedup class", (u_longlong_t
)alloc
,
4993 100.0 * alloc
/ space
);
4996 for (i
= 0; i
< NUM_BP_EMBEDDED_TYPES
; i
++) {
4997 if (zcb
.zcb_embedded_blocks
[i
] == 0)
4999 (void) printf("\n");
5000 (void) printf("\tadditional, non-pointer bps of type %u: "
5002 i
, (u_longlong_t
)zcb
.zcb_embedded_blocks
[i
]);
5004 if (dump_opt
['b'] >= 3) {
5005 (void) printf("\t number of (compressed) bytes: "
5007 dump_histogram(zcb
.zcb_embedded_histogram
[i
],
5008 sizeof (zcb
.zcb_embedded_histogram
[i
]) /
5009 sizeof (zcb
.zcb_embedded_histogram
[i
][0]), 0);
5013 if (tzb
->zb_ditto_samevdev
!= 0) {
5014 (void) printf("\tDittoed blocks on same vdev: %llu\n",
5015 (longlong_t
)tzb
->zb_ditto_samevdev
);
5017 if (tzb
->zb_ditto_same_ms
!= 0) {
5018 (void) printf("\tDittoed blocks in same metaslab: %llu\n",
5019 (longlong_t
)tzb
->zb_ditto_same_ms
);
5022 for (uint64_t v
= 0; v
< spa
->spa_root_vdev
->vdev_children
; v
++) {
5023 vdev_t
*vd
= spa
->spa_root_vdev
->vdev_child
[v
];
5024 vdev_indirect_mapping_t
*vim
= vd
->vdev_indirect_mapping
;
5031 zdb_nicenum(vdev_indirect_mapping_num_entries(vim
),
5032 mem
, vdev_indirect_mapping_size(vim
));
5034 (void) printf("\tindirect vdev id %llu has %llu segments "
5036 (longlong_t
)vd
->vdev_id
,
5037 (longlong_t
)vdev_indirect_mapping_num_entries(vim
), mem
);
5040 if (dump_opt
['b'] >= 2) {
5042 (void) printf("\nBlocks\tLSIZE\tPSIZE\tASIZE"
5043 "\t avg\t comp\t%%Total\tType\n");
5045 for (t
= 0; t
<= ZDB_OT_TOTAL
; t
++) {
5046 char csize
[32], lsize
[32], psize
[32], asize
[32];
5047 char avg
[32], gang
[32];
5048 const char *typename
;
5050 /* make sure nicenum has enough space */
5051 CTASSERT(sizeof (csize
) >= NN_NUMBUF_SZ
);
5052 CTASSERT(sizeof (lsize
) >= NN_NUMBUF_SZ
);
5053 CTASSERT(sizeof (psize
) >= NN_NUMBUF_SZ
);
5054 CTASSERT(sizeof (asize
) >= NN_NUMBUF_SZ
);
5055 CTASSERT(sizeof (avg
) >= NN_NUMBUF_SZ
);
5056 CTASSERT(sizeof (gang
) >= NN_NUMBUF_SZ
);
5058 if (t
< DMU_OT_NUMTYPES
)
5059 typename
= dmu_ot
[t
].ot_name
;
5061 typename
= zdb_ot_extname
[t
- DMU_OT_NUMTYPES
];
5063 if (zcb
.zcb_type
[ZB_TOTAL
][t
].zb_asize
== 0) {
5064 (void) printf("%6s\t%5s\t%5s\t%5s"
5065 "\t%5s\t%5s\t%6s\t%s\n",
5077 for (l
= ZB_TOTAL
- 1; l
>= -1; l
--) {
5078 level
= (l
== -1 ? ZB_TOTAL
: l
);
5079 zb
= &zcb
.zcb_type
[level
][t
];
5081 if (zb
->zb_asize
== 0)
5084 if (dump_opt
['b'] < 3 && level
!= ZB_TOTAL
)
5087 if (level
== 0 && zb
->zb_asize
==
5088 zcb
.zcb_type
[ZB_TOTAL
][t
].zb_asize
)
5091 zdb_nicenum(zb
->zb_count
, csize
,
5093 zdb_nicenum(zb
->zb_lsize
, lsize
,
5095 zdb_nicenum(zb
->zb_psize
, psize
,
5097 zdb_nicenum(zb
->zb_asize
, asize
,
5099 zdb_nicenum(zb
->zb_asize
/ zb
->zb_count
, avg
,
5101 zdb_nicenum(zb
->zb_gangs
, gang
, sizeof (gang
));
5103 (void) printf("%6s\t%5s\t%5s\t%5s\t%5s"
5105 csize
, lsize
, psize
, asize
, avg
,
5106 (double)zb
->zb_lsize
/ zb
->zb_psize
,
5107 100.0 * zb
->zb_asize
/ tzb
->zb_asize
);
5109 if (level
== ZB_TOTAL
)
5110 (void) printf("%s\n", typename
);
5112 (void) printf(" L%d %s\n",
5115 if (dump_opt
['b'] >= 3 && zb
->zb_gangs
> 0) {
5116 (void) printf("\t number of ganged "
5117 "blocks: %s\n", gang
);
5120 if (dump_opt
['b'] >= 4) {
5121 (void) printf("psize "
5122 "(in 512-byte sectors): "
5123 "number of blocks\n");
5124 dump_histogram(zb
->zb_psize_histogram
,
5125 PSIZE_HISTO_SIZE
, 0);
5131 (void) printf("\n");
5136 if (zcb
.zcb_haderrors
)
5142 typedef struct zdb_ddt_entry
{
5144 uint64_t zdde_ref_blocks
;
5145 uint64_t zdde_ref_lsize
;
5146 uint64_t zdde_ref_psize
;
5147 uint64_t zdde_ref_dsize
;
5148 avl_node_t zdde_node
;
5153 zdb_ddt_add_cb(spa_t
*spa
, zilog_t
*zilog
, const blkptr_t
*bp
,
5154 const zbookmark_phys_t
*zb
, const dnode_phys_t
*dnp
, void *arg
)
5156 avl_tree_t
*t
= arg
;
5158 zdb_ddt_entry_t
*zdde
, zdde_search
;
5160 if (zb
->zb_level
== ZB_DNODE_LEVEL
|| BP_IS_HOLE(bp
) ||
5164 if (dump_opt
['S'] > 1 && zb
->zb_level
== ZB_ROOT_LEVEL
) {
5165 (void) printf("traversing objset %llu, %llu objects, "
5166 "%lu blocks so far\n",
5167 (u_longlong_t
)zb
->zb_objset
,
5168 (u_longlong_t
)BP_GET_FILL(bp
),
5172 if (BP_IS_HOLE(bp
) || BP_GET_CHECKSUM(bp
) == ZIO_CHECKSUM_OFF
||
5173 BP_GET_LEVEL(bp
) > 0 || DMU_OT_IS_METADATA(BP_GET_TYPE(bp
)))
5176 ddt_key_fill(&zdde_search
.zdde_key
, bp
);
5178 zdde
= avl_find(t
, &zdde_search
, &where
);
5181 zdde
= umem_zalloc(sizeof (*zdde
), UMEM_NOFAIL
);
5182 zdde
->zdde_key
= zdde_search
.zdde_key
;
5183 avl_insert(t
, zdde
, where
);
5186 zdde
->zdde_ref_blocks
+= 1;
5187 zdde
->zdde_ref_lsize
+= BP_GET_LSIZE(bp
);
5188 zdde
->zdde_ref_psize
+= BP_GET_PSIZE(bp
);
5189 zdde
->zdde_ref_dsize
+= bp_get_dsize_sync(spa
, bp
);
5195 dump_simulated_ddt(spa_t
*spa
)
5198 void *cookie
= NULL
;
5199 zdb_ddt_entry_t
*zdde
;
5200 ddt_histogram_t ddh_total
;
5201 ddt_stat_t dds_total
;
5203 bzero(&ddh_total
, sizeof (ddh_total
));
5204 bzero(&dds_total
, sizeof (dds_total
));
5205 avl_create(&t
, ddt_entry_compare
,
5206 sizeof (zdb_ddt_entry_t
), offsetof(zdb_ddt_entry_t
, zdde_node
));
5208 spa_config_enter(spa
, SCL_CONFIG
, FTAG
, RW_READER
);
5210 (void) traverse_pool(spa
, 0, TRAVERSE_PRE
| TRAVERSE_PREFETCH_METADATA
|
5211 TRAVERSE_NO_DECRYPT
, zdb_ddt_add_cb
, &t
);
5213 spa_config_exit(spa
, SCL_CONFIG
, FTAG
);
5215 while ((zdde
= avl_destroy_nodes(&t
, &cookie
)) != NULL
) {
5217 uint64_t refcnt
= zdde
->zdde_ref_blocks
;
5218 ASSERT(refcnt
!= 0);
5220 dds
.dds_blocks
= zdde
->zdde_ref_blocks
/ refcnt
;
5221 dds
.dds_lsize
= zdde
->zdde_ref_lsize
/ refcnt
;
5222 dds
.dds_psize
= zdde
->zdde_ref_psize
/ refcnt
;
5223 dds
.dds_dsize
= zdde
->zdde_ref_dsize
/ refcnt
;
5225 dds
.dds_ref_blocks
= zdde
->zdde_ref_blocks
;
5226 dds
.dds_ref_lsize
= zdde
->zdde_ref_lsize
;
5227 dds
.dds_ref_psize
= zdde
->zdde_ref_psize
;
5228 dds
.dds_ref_dsize
= zdde
->zdde_ref_dsize
;
5230 ddt_stat_add(&ddh_total
.ddh_stat
[highbit64(refcnt
) - 1],
5233 umem_free(zdde
, sizeof (*zdde
));
5238 ddt_histogram_stat(&dds_total
, &ddh_total
);
5240 (void) printf("Simulated DDT histogram:\n");
5242 zpool_dump_ddt(&dds_total
, &ddh_total
);
5244 dump_dedup_ratio(&dds_total
);
5248 verify_device_removal_feature_counts(spa_t
*spa
)
5250 uint64_t dr_feature_refcount
= 0;
5251 uint64_t oc_feature_refcount
= 0;
5252 uint64_t indirect_vdev_count
= 0;
5253 uint64_t precise_vdev_count
= 0;
5254 uint64_t obsolete_counts_object_count
= 0;
5255 uint64_t obsolete_sm_count
= 0;
5256 uint64_t obsolete_counts_count
= 0;
5257 uint64_t scip_count
= 0;
5258 uint64_t obsolete_bpobj_count
= 0;
5261 spa_condensing_indirect_phys_t
*scip
=
5262 &spa
->spa_condensing_indirect_phys
;
5263 if (scip
->scip_next_mapping_object
!= 0) {
5264 vdev_t
*vd
= spa
->spa_root_vdev
->vdev_child
[scip
->scip_vdev
];
5265 ASSERT(scip
->scip_prev_obsolete_sm_object
!= 0);
5266 ASSERT3P(vd
->vdev_ops
, ==, &vdev_indirect_ops
);
5268 (void) printf("Condensing indirect vdev %llu: new mapping "
5269 "object %llu, prev obsolete sm %llu\n",
5270 (u_longlong_t
)scip
->scip_vdev
,
5271 (u_longlong_t
)scip
->scip_next_mapping_object
,
5272 (u_longlong_t
)scip
->scip_prev_obsolete_sm_object
);
5273 if (scip
->scip_prev_obsolete_sm_object
!= 0) {
5274 space_map_t
*prev_obsolete_sm
= NULL
;
5275 VERIFY0(space_map_open(&prev_obsolete_sm
,
5276 spa
->spa_meta_objset
,
5277 scip
->scip_prev_obsolete_sm_object
,
5278 0, vd
->vdev_asize
, 0));
5279 dump_spacemap(spa
->spa_meta_objset
, prev_obsolete_sm
);
5280 (void) printf("\n");
5281 space_map_close(prev_obsolete_sm
);
5287 for (uint64_t i
= 0; i
< spa
->spa_root_vdev
->vdev_children
; i
++) {
5288 vdev_t
*vd
= spa
->spa_root_vdev
->vdev_child
[i
];
5289 vdev_indirect_config_t
*vic
= &vd
->vdev_indirect_config
;
5291 if (vic
->vic_mapping_object
!= 0) {
5292 ASSERT(vd
->vdev_ops
== &vdev_indirect_ops
||
5294 indirect_vdev_count
++;
5296 if (vd
->vdev_indirect_mapping
->vim_havecounts
) {
5297 obsolete_counts_count
++;
5301 boolean_t are_precise
;
5302 VERIFY0(vdev_obsolete_counts_are_precise(vd
, &are_precise
));
5304 ASSERT(vic
->vic_mapping_object
!= 0);
5305 precise_vdev_count
++;
5308 uint64_t obsolete_sm_object
;
5309 VERIFY0(vdev_obsolete_sm_object(vd
, &obsolete_sm_object
));
5310 if (obsolete_sm_object
!= 0) {
5311 ASSERT(vic
->vic_mapping_object
!= 0);
5312 obsolete_sm_count
++;
5316 (void) feature_get_refcount(spa
,
5317 &spa_feature_table
[SPA_FEATURE_DEVICE_REMOVAL
],
5318 &dr_feature_refcount
);
5319 (void) feature_get_refcount(spa
,
5320 &spa_feature_table
[SPA_FEATURE_OBSOLETE_COUNTS
],
5321 &oc_feature_refcount
);
5323 if (dr_feature_refcount
!= indirect_vdev_count
) {
5325 (void) printf("Number of indirect vdevs (%llu) " \
5326 "does not match feature count (%llu)\n",
5327 (u_longlong_t
)indirect_vdev_count
,
5328 (u_longlong_t
)dr_feature_refcount
);
5330 (void) printf("Verified device_removal feature refcount " \
5331 "of %llu is correct\n",
5332 (u_longlong_t
)dr_feature_refcount
);
5335 if (zap_contains(spa_meta_objset(spa
), DMU_POOL_DIRECTORY_OBJECT
,
5336 DMU_POOL_OBSOLETE_BPOBJ
) == 0) {
5337 obsolete_bpobj_count
++;
5341 obsolete_counts_object_count
= precise_vdev_count
;
5342 obsolete_counts_object_count
+= obsolete_sm_count
;
5343 obsolete_counts_object_count
+= obsolete_counts_count
;
5344 obsolete_counts_object_count
+= scip_count
;
5345 obsolete_counts_object_count
+= obsolete_bpobj_count
;
5346 obsolete_counts_object_count
+= remap_deadlist_count
;
5348 if (oc_feature_refcount
!= obsolete_counts_object_count
) {
5350 (void) printf("Number of obsolete counts objects (%llu) " \
5351 "does not match feature count (%llu)\n",
5352 (u_longlong_t
)obsolete_counts_object_count
,
5353 (u_longlong_t
)oc_feature_refcount
);
5354 (void) printf("pv:%llu os:%llu oc:%llu sc:%llu "
5355 "ob:%llu rd:%llu\n",
5356 (u_longlong_t
)precise_vdev_count
,
5357 (u_longlong_t
)obsolete_sm_count
,
5358 (u_longlong_t
)obsolete_counts_count
,
5359 (u_longlong_t
)scip_count
,
5360 (u_longlong_t
)obsolete_bpobj_count
,
5361 (u_longlong_t
)remap_deadlist_count
);
5363 (void) printf("Verified indirect_refcount feature refcount " \
5364 "of %llu is correct\n",
5365 (u_longlong_t
)oc_feature_refcount
);
5371 zdb_set_skip_mmp(char *target
)
5376 * Disable the activity check to allow examination of
5379 mutex_enter(&spa_namespace_lock
);
5380 if ((spa
= spa_lookup(target
)) != NULL
) {
5381 spa
->spa_import_flags
|= ZFS_IMPORT_SKIP_MMP
;
5383 mutex_exit(&spa_namespace_lock
);
5386 #define BOGUS_SUFFIX "_CHECKPOINTED_UNIVERSE"
5388 * Import the checkpointed state of the pool specified by the target
5389 * parameter as readonly. The function also accepts a pool config
5390 * as an optional parameter, else it attempts to infer the config by
5391 * the name of the target pool.
5393 * Note that the checkpointed state's pool name will be the name of
5394 * the original pool with the above suffix appended to it. In addition,
5395 * if the target is not a pool name (e.g. a path to a dataset) then
5396 * the new_path parameter is populated with the updated path to
5397 * reflect the fact that we are looking into the checkpointed state.
5399 * The function returns a newly-allocated copy of the name of the
5400 * pool containing the checkpointed state. When this copy is no
5401 * longer needed it should be freed with free(3C). Same thing
5402 * applies to the new_path parameter if allocated.
5405 import_checkpointed_state(char *target
, nvlist_t
*cfg
, char **new_path
)
5408 char *poolname
, *bogus_name
= NULL
;
5410 /* If the target is not a pool, the extract the pool name */
5411 char *path_start
= strchr(target
, '/');
5412 if (path_start
!= NULL
) {
5413 size_t poolname_len
= path_start
- target
;
5414 poolname
= strndup(target
, poolname_len
);
5420 zdb_set_skip_mmp(poolname
);
5421 error
= spa_get_stats(poolname
, &cfg
, NULL
, 0);
5423 fatal("Tried to read config of pool \"%s\" but "
5424 "spa_get_stats() failed with error %d\n",
5429 if (asprintf(&bogus_name
, "%s%s", poolname
, BOGUS_SUFFIX
) == -1)
5431 fnvlist_add_string(cfg
, ZPOOL_CONFIG_POOL_NAME
, bogus_name
);
5433 error
= spa_import(bogus_name
, cfg
, NULL
,
5434 ZFS_IMPORT_MISSING_LOG
| ZFS_IMPORT_CHECKPOINT
|
5435 ZFS_IMPORT_SKIP_MMP
);
5437 fatal("Tried to import pool \"%s\" but spa_import() failed "
5438 "with error %d\n", bogus_name
, error
);
5441 if (new_path
!= NULL
&& path_start
!= NULL
) {
5442 if (asprintf(new_path
, "%s%s", bogus_name
, path_start
) == -1) {
5443 if (path_start
!= NULL
)
5449 if (target
!= poolname
)
5452 return (bogus_name
);
5455 typedef struct verify_checkpoint_sm_entry_cb_arg
{
5458 /* the following fields are only used for printing progress */
5459 uint64_t vcsec_entryid
;
5460 uint64_t vcsec_num_entries
;
5461 } verify_checkpoint_sm_entry_cb_arg_t
;
5463 #define ENTRIES_PER_PROGRESS_UPDATE 10000
5466 verify_checkpoint_sm_entry_cb(space_map_entry_t
*sme
, void *arg
)
5468 verify_checkpoint_sm_entry_cb_arg_t
*vcsec
= arg
;
5469 vdev_t
*vd
= vcsec
->vcsec_vd
;
5470 metaslab_t
*ms
= vd
->vdev_ms
[sme
->sme_offset
>> vd
->vdev_ms_shift
];
5471 uint64_t end
= sme
->sme_offset
+ sme
->sme_run
;
5473 ASSERT(sme
->sme_type
== SM_FREE
);
5475 if ((vcsec
->vcsec_entryid
% ENTRIES_PER_PROGRESS_UPDATE
) == 0) {
5476 (void) fprintf(stderr
,
5477 "\rverifying vdev %llu, space map entry %llu of %llu ...",
5478 (longlong_t
)vd
->vdev_id
,
5479 (longlong_t
)vcsec
->vcsec_entryid
,
5480 (longlong_t
)vcsec
->vcsec_num_entries
);
5482 vcsec
->vcsec_entryid
++;
5485 * See comment in checkpoint_sm_exclude_entry_cb()
5487 VERIFY3U(sme
->sme_offset
, >=, ms
->ms_start
);
5488 VERIFY3U(end
, <=, ms
->ms_start
+ ms
->ms_size
);
5491 * The entries in the vdev_checkpoint_sm should be marked as
5492 * allocated in the checkpointed state of the pool, therefore
5493 * their respective ms_allocateable trees should not contain them.
5495 mutex_enter(&ms
->ms_lock
);
5496 range_tree_verify_not_present(ms
->ms_allocatable
,
5497 sme
->sme_offset
, sme
->sme_run
);
5498 mutex_exit(&ms
->ms_lock
);
5504 * Verify that all segments in the vdev_checkpoint_sm are allocated
5505 * according to the checkpoint's ms_sm (i.e. are not in the checkpoint's
5508 * Do so by comparing the checkpoint space maps (vdev_checkpoint_sm) of
5509 * each vdev in the current state of the pool to the metaslab space maps
5510 * (ms_sm) of the checkpointed state of the pool.
5512 * Note that the function changes the state of the ms_allocatable
5513 * trees of the current spa_t. The entries of these ms_allocatable
5514 * trees are cleared out and then repopulated from with the free
5515 * entries of their respective ms_sm space maps.
5518 verify_checkpoint_vdev_spacemaps(spa_t
*checkpoint
, spa_t
*current
)
5520 vdev_t
*ckpoint_rvd
= checkpoint
->spa_root_vdev
;
5521 vdev_t
*current_rvd
= current
->spa_root_vdev
;
5523 load_concrete_ms_allocatable_trees(checkpoint
, SM_FREE
);
5525 for (uint64_t c
= 0; c
< ckpoint_rvd
->vdev_children
; c
++) {
5526 vdev_t
*ckpoint_vd
= ckpoint_rvd
->vdev_child
[c
];
5527 vdev_t
*current_vd
= current_rvd
->vdev_child
[c
];
5529 space_map_t
*checkpoint_sm
= NULL
;
5530 uint64_t checkpoint_sm_obj
;
5532 if (ckpoint_vd
->vdev_ops
== &vdev_indirect_ops
) {
5534 * Since we don't allow device removal in a pool
5535 * that has a checkpoint, we expect that all removed
5536 * vdevs were removed from the pool before the
5539 ASSERT3P(current_vd
->vdev_ops
, ==, &vdev_indirect_ops
);
5544 * If the checkpoint space map doesn't exist, then nothing
5545 * here is checkpointed so there's nothing to verify.
5547 if (current_vd
->vdev_top_zap
== 0 ||
5548 zap_contains(spa_meta_objset(current
),
5549 current_vd
->vdev_top_zap
,
5550 VDEV_TOP_ZAP_POOL_CHECKPOINT_SM
) != 0)
5553 VERIFY0(zap_lookup(spa_meta_objset(current
),
5554 current_vd
->vdev_top_zap
, VDEV_TOP_ZAP_POOL_CHECKPOINT_SM
,
5555 sizeof (uint64_t), 1, &checkpoint_sm_obj
));
5557 VERIFY0(space_map_open(&checkpoint_sm
, spa_meta_objset(current
),
5558 checkpoint_sm_obj
, 0, current_vd
->vdev_asize
,
5559 current_vd
->vdev_ashift
));
5561 verify_checkpoint_sm_entry_cb_arg_t vcsec
;
5562 vcsec
.vcsec_vd
= ckpoint_vd
;
5563 vcsec
.vcsec_entryid
= 0;
5564 vcsec
.vcsec_num_entries
=
5565 space_map_length(checkpoint_sm
) / sizeof (uint64_t);
5566 VERIFY0(space_map_iterate(checkpoint_sm
,
5567 space_map_length(checkpoint_sm
),
5568 verify_checkpoint_sm_entry_cb
, &vcsec
));
5569 if (dump_opt
['m'] > 3)
5570 dump_spacemap(current
->spa_meta_objset
, checkpoint_sm
);
5571 space_map_close(checkpoint_sm
);
5575 * If we've added vdevs since we took the checkpoint, ensure
5576 * that their checkpoint space maps are empty.
5578 if (ckpoint_rvd
->vdev_children
< current_rvd
->vdev_children
) {
5579 for (uint64_t c
= ckpoint_rvd
->vdev_children
;
5580 c
< current_rvd
->vdev_children
; c
++) {
5581 vdev_t
*current_vd
= current_rvd
->vdev_child
[c
];
5582 ASSERT3P(current_vd
->vdev_checkpoint_sm
, ==, NULL
);
5586 /* for cleaner progress output */
5587 (void) fprintf(stderr
, "\n");
5591 * Verifies that all space that's allocated in the checkpoint is
5592 * still allocated in the current version, by checking that everything
5593 * in checkpoint's ms_allocatable (which is actually allocated, not
5594 * allocatable/free) is not present in current's ms_allocatable.
5596 * Note that the function changes the state of the ms_allocatable
5597 * trees of both spas when called. The entries of all ms_allocatable
5598 * trees are cleared out and then repopulated from their respective
5599 * ms_sm space maps. In the checkpointed state we load the allocated
5600 * entries, and in the current state we load the free entries.
5603 verify_checkpoint_ms_spacemaps(spa_t
*checkpoint
, spa_t
*current
)
5605 vdev_t
*ckpoint_rvd
= checkpoint
->spa_root_vdev
;
5606 vdev_t
*current_rvd
= current
->spa_root_vdev
;
5608 load_concrete_ms_allocatable_trees(checkpoint
, SM_ALLOC
);
5609 load_concrete_ms_allocatable_trees(current
, SM_FREE
);
5611 for (uint64_t i
= 0; i
< ckpoint_rvd
->vdev_children
; i
++) {
5612 vdev_t
*ckpoint_vd
= ckpoint_rvd
->vdev_child
[i
];
5613 vdev_t
*current_vd
= current_rvd
->vdev_child
[i
];
5615 if (ckpoint_vd
->vdev_ops
== &vdev_indirect_ops
) {
5617 * See comment in verify_checkpoint_vdev_spacemaps()
5619 ASSERT3P(current_vd
->vdev_ops
, ==, &vdev_indirect_ops
);
5623 for (uint64_t m
= 0; m
< ckpoint_vd
->vdev_ms_count
; m
++) {
5624 metaslab_t
*ckpoint_msp
= ckpoint_vd
->vdev_ms
[m
];
5625 metaslab_t
*current_msp
= current_vd
->vdev_ms
[m
];
5627 (void) fprintf(stderr
,
5628 "\rverifying vdev %llu of %llu, "
5629 "metaslab %llu of %llu ...",
5630 (longlong_t
)current_vd
->vdev_id
,
5631 (longlong_t
)current_rvd
->vdev_children
,
5632 (longlong_t
)current_vd
->vdev_ms
[m
]->ms_id
,
5633 (longlong_t
)current_vd
->vdev_ms_count
);
5636 * We walk through the ms_allocatable trees that
5637 * are loaded with the allocated blocks from the
5638 * ms_sm spacemaps of the checkpoint. For each
5639 * one of these ranges we ensure that none of them
5640 * exists in the ms_allocatable trees of the
5641 * current state which are loaded with the ranges
5642 * that are currently free.
5644 * This way we ensure that none of the blocks that
5645 * are part of the checkpoint were freed by mistake.
5647 range_tree_walk(ckpoint_msp
->ms_allocatable
,
5648 (range_tree_func_t
*)range_tree_verify_not_present
,
5649 current_msp
->ms_allocatable
);
5653 /* for cleaner progress output */
5654 (void) fprintf(stderr
, "\n");
5658 verify_checkpoint_blocks(spa_t
*spa
)
5660 ASSERT(!dump_opt
['L']);
5662 spa_t
*checkpoint_spa
;
5663 char *checkpoint_pool
;
5664 nvlist_t
*config
= NULL
;
5668 * We import the checkpointed state of the pool (under a different
5669 * name) so we can do verification on it against the current state
5672 checkpoint_pool
= import_checkpointed_state(spa
->spa_name
, config
,
5674 ASSERT(strcmp(spa
->spa_name
, checkpoint_pool
) != 0);
5676 error
= spa_open(checkpoint_pool
, &checkpoint_spa
, FTAG
);
5678 fatal("Tried to open pool \"%s\" but spa_open() failed with "
5679 "error %d\n", checkpoint_pool
, error
);
5683 * Ensure that ranges in the checkpoint space maps of each vdev
5684 * are allocated according to the checkpointed state's metaslab
5687 verify_checkpoint_vdev_spacemaps(checkpoint_spa
, spa
);
5690 * Ensure that allocated ranges in the checkpoint's metaslab
5691 * space maps remain allocated in the metaslab space maps of
5692 * the current state.
5694 verify_checkpoint_ms_spacemaps(checkpoint_spa
, spa
);
5697 * Once we are done, we get rid of the checkpointed state.
5699 spa_close(checkpoint_spa
, FTAG
);
5700 free(checkpoint_pool
);
5704 dump_leftover_checkpoint_blocks(spa_t
*spa
)
5706 vdev_t
*rvd
= spa
->spa_root_vdev
;
5708 for (uint64_t i
= 0; i
< rvd
->vdev_children
; i
++) {
5709 vdev_t
*vd
= rvd
->vdev_child
[i
];
5711 space_map_t
*checkpoint_sm
= NULL
;
5712 uint64_t checkpoint_sm_obj
;
5714 if (vd
->vdev_top_zap
== 0)
5717 if (zap_contains(spa_meta_objset(spa
), vd
->vdev_top_zap
,
5718 VDEV_TOP_ZAP_POOL_CHECKPOINT_SM
) != 0)
5721 VERIFY0(zap_lookup(spa_meta_objset(spa
), vd
->vdev_top_zap
,
5722 VDEV_TOP_ZAP_POOL_CHECKPOINT_SM
,
5723 sizeof (uint64_t), 1, &checkpoint_sm_obj
));
5725 VERIFY0(space_map_open(&checkpoint_sm
, spa_meta_objset(spa
),
5726 checkpoint_sm_obj
, 0, vd
->vdev_asize
, vd
->vdev_ashift
));
5727 dump_spacemap(spa
->spa_meta_objset
, checkpoint_sm
);
5728 space_map_close(checkpoint_sm
);
5733 verify_checkpoint(spa_t
*spa
)
5735 uberblock_t checkpoint
;
5738 if (!spa_feature_is_active(spa
, SPA_FEATURE_POOL_CHECKPOINT
))
5741 error
= zap_lookup(spa
->spa_meta_objset
, DMU_POOL_DIRECTORY_OBJECT
,
5742 DMU_POOL_ZPOOL_CHECKPOINT
, sizeof (uint64_t),
5743 sizeof (uberblock_t
) / sizeof (uint64_t), &checkpoint
);
5745 if (error
== ENOENT
&& !dump_opt
['L']) {
5747 * If the feature is active but the uberblock is missing
5748 * then we must be in the middle of discarding the
5751 (void) printf("\nPartially discarded checkpoint "
5753 if (dump_opt
['m'] > 3)
5754 dump_leftover_checkpoint_blocks(spa
);
5756 } else if (error
!= 0) {
5757 (void) printf("lookup error %d when looking for "
5758 "checkpointed uberblock in MOS\n", error
);
5761 dump_uberblock(&checkpoint
, "\nCheckpointed uberblock found:\n", "\n");
5763 if (checkpoint
.ub_checkpoint_txg
== 0) {
5764 (void) printf("\nub_checkpoint_txg not set in checkpointed "
5769 if (error
== 0 && !dump_opt
['L'])
5770 verify_checkpoint_blocks(spa
);
5777 mos_leaks_cb(void *arg
, uint64_t start
, uint64_t size
)
5779 for (uint64_t i
= start
; i
< size
; i
++) {
5780 (void) printf("MOS object %llu referenced but not allocated\n",
5786 mos_obj_refd(uint64_t obj
)
5788 if (obj
!= 0 && mos_refd_objs
!= NULL
)
5789 range_tree_add(mos_refd_objs
, obj
, 1);
5793 * Call on a MOS object that may already have been referenced.
5796 mos_obj_refd_multiple(uint64_t obj
)
5798 if (obj
!= 0 && mos_refd_objs
!= NULL
&&
5799 !range_tree_contains(mos_refd_objs
, obj
, 1))
5800 range_tree_add(mos_refd_objs
, obj
, 1);
5804 mos_leak_vdev_top_zap(vdev_t
*vd
)
5806 uint64_t ms_flush_data_obj
;
5807 int error
= zap_lookup(spa_meta_objset(vd
->vdev_spa
),
5808 vd
->vdev_top_zap
, VDEV_TOP_ZAP_MS_UNFLUSHED_PHYS_TXGS
,
5809 sizeof (ms_flush_data_obj
), 1, &ms_flush_data_obj
);
5810 if (error
== ENOENT
)
5814 mos_obj_refd(ms_flush_data_obj
);
5818 mos_leak_vdev(vdev_t
*vd
)
5820 mos_obj_refd(vd
->vdev_dtl_object
);
5821 mos_obj_refd(vd
->vdev_ms_array
);
5822 mos_obj_refd(vd
->vdev_indirect_config
.vic_births_object
);
5823 mos_obj_refd(vd
->vdev_indirect_config
.vic_mapping_object
);
5824 mos_obj_refd(vd
->vdev_leaf_zap
);
5825 if (vd
->vdev_checkpoint_sm
!= NULL
)
5826 mos_obj_refd(vd
->vdev_checkpoint_sm
->sm_object
);
5827 if (vd
->vdev_indirect_mapping
!= NULL
) {
5828 mos_obj_refd(vd
->vdev_indirect_mapping
->
5829 vim_phys
->vimp_counts_object
);
5831 if (vd
->vdev_obsolete_sm
!= NULL
)
5832 mos_obj_refd(vd
->vdev_obsolete_sm
->sm_object
);
5834 for (uint64_t m
= 0; m
< vd
->vdev_ms_count
; m
++) {
5835 metaslab_t
*ms
= vd
->vdev_ms
[m
];
5836 mos_obj_refd(space_map_object(ms
->ms_sm
));
5839 if (vd
->vdev_top_zap
!= 0) {
5840 mos_obj_refd(vd
->vdev_top_zap
);
5841 mos_leak_vdev_top_zap(vd
);
5844 for (uint64_t c
= 0; c
< vd
->vdev_children
; c
++) {
5845 mos_leak_vdev(vd
->vdev_child
[c
]);
5850 mos_leak_log_spacemaps(spa_t
*spa
)
5852 uint64_t spacemap_zap
;
5853 int error
= zap_lookup(spa_meta_objset(spa
),
5854 DMU_POOL_DIRECTORY_OBJECT
, DMU_POOL_LOG_SPACEMAP_ZAP
,
5855 sizeof (spacemap_zap
), 1, &spacemap_zap
);
5856 if (error
== ENOENT
)
5860 mos_obj_refd(spacemap_zap
);
5861 for (spa_log_sm_t
*sls
= avl_first(&spa
->spa_sm_logs_by_txg
);
5862 sls
; sls
= AVL_NEXT(&spa
->spa_sm_logs_by_txg
, sls
))
5863 mos_obj_refd(sls
->sls_sm_obj
);
5867 dump_mos_leaks(spa_t
*spa
)
5870 objset_t
*mos
= spa
->spa_meta_objset
;
5871 dsl_pool_t
*dp
= spa
->spa_dsl_pool
;
5873 /* Visit and mark all referenced objects in the MOS */
5875 mos_obj_refd(DMU_POOL_DIRECTORY_OBJECT
);
5876 mos_obj_refd(spa
->spa_pool_props_object
);
5877 mos_obj_refd(spa
->spa_config_object
);
5878 mos_obj_refd(spa
->spa_ddt_stat_object
);
5879 mos_obj_refd(spa
->spa_feat_desc_obj
);
5880 mos_obj_refd(spa
->spa_feat_enabled_txg_obj
);
5881 mos_obj_refd(spa
->spa_feat_for_read_obj
);
5882 mos_obj_refd(spa
->spa_feat_for_write_obj
);
5883 mos_obj_refd(spa
->spa_history
);
5884 mos_obj_refd(spa
->spa_errlog_last
);
5885 mos_obj_refd(spa
->spa_errlog_scrub
);
5886 mos_obj_refd(spa
->spa_all_vdev_zaps
);
5887 mos_obj_refd(spa
->spa_dsl_pool
->dp_bptree_obj
);
5888 mos_obj_refd(spa
->spa_dsl_pool
->dp_tmp_userrefs_obj
);
5889 mos_obj_refd(spa
->spa_dsl_pool
->dp_scan
->scn_phys
.scn_queue_obj
);
5890 bpobj_count_refd(&spa
->spa_deferred_bpobj
);
5891 mos_obj_refd(dp
->dp_empty_bpobj
);
5892 bpobj_count_refd(&dp
->dp_obsolete_bpobj
);
5893 bpobj_count_refd(&dp
->dp_free_bpobj
);
5894 mos_obj_refd(spa
->spa_l2cache
.sav_object
);
5895 mos_obj_refd(spa
->spa_spares
.sav_object
);
5897 if (spa
->spa_syncing_log_sm
!= NULL
)
5898 mos_obj_refd(spa
->spa_syncing_log_sm
->sm_object
);
5899 mos_leak_log_spacemaps(spa
);
5901 mos_obj_refd(spa
->spa_condensing_indirect_phys
.
5902 scip_next_mapping_object
);
5903 mos_obj_refd(spa
->spa_condensing_indirect_phys
.
5904 scip_prev_obsolete_sm_object
);
5905 if (spa
->spa_condensing_indirect_phys
.scip_next_mapping_object
!= 0) {
5906 vdev_indirect_mapping_t
*vim
=
5907 vdev_indirect_mapping_open(mos
,
5908 spa
->spa_condensing_indirect_phys
.scip_next_mapping_object
);
5909 mos_obj_refd(vim
->vim_phys
->vimp_counts_object
);
5910 vdev_indirect_mapping_close(vim
);
5912 deleted_livelists_dump_mos(spa
);
5914 if (dp
->dp_origin_snap
!= NULL
) {
5917 dsl_pool_config_enter(dp
, FTAG
);
5918 VERIFY0(dsl_dataset_hold_obj(dp
,
5919 dsl_dataset_phys(dp
->dp_origin_snap
)->ds_next_snap_obj
,
5921 count_ds_mos_objects(ds
);
5922 dump_blkptr_list(&ds
->ds_deadlist
, "Deadlist");
5923 dsl_dataset_rele(ds
, FTAG
);
5924 dsl_pool_config_exit(dp
, FTAG
);
5926 count_ds_mos_objects(dp
->dp_origin_snap
);
5927 dump_blkptr_list(&dp
->dp_origin_snap
->ds_deadlist
, "Deadlist");
5929 count_dir_mos_objects(dp
->dp_mos_dir
);
5930 if (dp
->dp_free_dir
!= NULL
)
5931 count_dir_mos_objects(dp
->dp_free_dir
);
5932 if (dp
->dp_leak_dir
!= NULL
)
5933 count_dir_mos_objects(dp
->dp_leak_dir
);
5935 mos_leak_vdev(spa
->spa_root_vdev
);
5937 for (uint64_t class = 0; class < DDT_CLASSES
; class++) {
5938 for (uint64_t type
= 0; type
< DDT_TYPES
; type
++) {
5939 for (uint64_t cksum
= 0;
5940 cksum
< ZIO_CHECKSUM_FUNCTIONS
; cksum
++) {
5941 ddt_t
*ddt
= spa
->spa_ddt
[cksum
];
5942 mos_obj_refd(ddt
->ddt_object
[type
][class]);
5948 * Visit all allocated objects and make sure they are referenced.
5950 uint64_t object
= 0;
5951 while (dmu_object_next(mos
, &object
, B_FALSE
, 0) == 0) {
5952 if (range_tree_contains(mos_refd_objs
, object
, 1)) {
5953 range_tree_remove(mos_refd_objs
, object
, 1);
5955 dmu_object_info_t doi
;
5957 dmu_object_info(mos
, object
, &doi
);
5958 if (doi
.doi_type
& DMU_OT_NEWTYPE
) {
5959 dmu_object_byteswap_t bswap
=
5960 DMU_OT_BYTESWAP(doi
.doi_type
);
5961 name
= dmu_ot_byteswap
[bswap
].ob_name
;
5963 name
= dmu_ot
[doi
.doi_type
].ot_name
;
5966 (void) printf("MOS object %llu (%s) leaked\n",
5967 (u_longlong_t
)object
, name
);
5971 (void) range_tree_walk(mos_refd_objs
, mos_leaks_cb
, NULL
);
5972 if (!range_tree_is_empty(mos_refd_objs
))
5974 range_tree_vacate(mos_refd_objs
, NULL
, NULL
);
5975 range_tree_destroy(mos_refd_objs
);
5979 typedef struct log_sm_obsolete_stats_arg
{
5980 uint64_t lsos_current_txg
;
5982 uint64_t lsos_total_entries
;
5983 uint64_t lsos_valid_entries
;
5985 uint64_t lsos_sm_entries
;
5986 uint64_t lsos_valid_sm_entries
;
5987 } log_sm_obsolete_stats_arg_t
;
5990 log_spacemap_obsolete_stats_cb(spa_t
*spa
, space_map_entry_t
*sme
,
5991 uint64_t txg
, void *arg
)
5993 log_sm_obsolete_stats_arg_t
*lsos
= arg
;
5995 uint64_t offset
= sme
->sme_offset
;
5996 uint64_t vdev_id
= sme
->sme_vdev
;
5998 if (lsos
->lsos_current_txg
== 0) {
5999 /* this is the first log */
6000 lsos
->lsos_current_txg
= txg
;
6001 } else if (lsos
->lsos_current_txg
< txg
) {
6002 /* we just changed log - print stats and reset */
6003 (void) printf("%-8llu valid entries out of %-8llu - txg %llu\n",
6004 (u_longlong_t
)lsos
->lsos_valid_sm_entries
,
6005 (u_longlong_t
)lsos
->lsos_sm_entries
,
6006 (u_longlong_t
)lsos
->lsos_current_txg
);
6007 lsos
->lsos_valid_sm_entries
= 0;
6008 lsos
->lsos_sm_entries
= 0;
6009 lsos
->lsos_current_txg
= txg
;
6011 ASSERT3U(lsos
->lsos_current_txg
, ==, txg
);
6013 lsos
->lsos_sm_entries
++;
6014 lsos
->lsos_total_entries
++;
6016 vdev_t
*vd
= vdev_lookup_top(spa
, vdev_id
);
6017 if (!vdev_is_concrete(vd
))
6020 metaslab_t
*ms
= vd
->vdev_ms
[offset
>> vd
->vdev_ms_shift
];
6021 ASSERT(sme
->sme_type
== SM_ALLOC
|| sme
->sme_type
== SM_FREE
);
6023 if (txg
< metaslab_unflushed_txg(ms
))
6025 lsos
->lsos_valid_sm_entries
++;
6026 lsos
->lsos_valid_entries
++;
6031 dump_log_spacemap_obsolete_stats(spa_t
*spa
)
6033 if (!spa_feature_is_active(spa
, SPA_FEATURE_LOG_SPACEMAP
))
6036 log_sm_obsolete_stats_arg_t lsos
;
6037 bzero(&lsos
, sizeof (lsos
));
6039 (void) printf("Log Space Map Obsolete Entry Statistics:\n");
6041 iterate_through_spacemap_logs(spa
,
6042 log_spacemap_obsolete_stats_cb
, &lsos
);
6044 /* print stats for latest log */
6045 (void) printf("%-8llu valid entries out of %-8llu - txg %llu\n",
6046 (u_longlong_t
)lsos
.lsos_valid_sm_entries
,
6047 (u_longlong_t
)lsos
.lsos_sm_entries
,
6048 (u_longlong_t
)lsos
.lsos_current_txg
);
6050 (void) printf("%-8llu valid entries out of %-8llu - total\n\n",
6051 (u_longlong_t
)lsos
.lsos_valid_entries
,
6052 (u_longlong_t
)lsos
.lsos_total_entries
);
6056 dump_zpool(spa_t
*spa
)
6058 dsl_pool_t
*dp
= spa_get_dsl(spa
);
6061 if (dump_opt
['S']) {
6062 dump_simulated_ddt(spa
);
6066 if (!dump_opt
['e'] && dump_opt
['C'] > 1) {
6067 (void) printf("\nCached configuration:\n");
6068 dump_nvlist(spa
->spa_config
, 8);
6075 dump_uberblock(&spa
->spa_uberblock
, "\nUberblock:\n", "\n");
6080 if (dump_opt
['d'] > 2 || dump_opt
['m'])
6081 dump_metaslabs(spa
);
6083 dump_metaslab_groups(spa
);
6084 if (dump_opt
['d'] > 2 || dump_opt
['m']) {
6085 dump_log_spacemaps(spa
);
6086 dump_log_spacemap_obsolete_stats(spa
);
6089 if (dump_opt
['d'] || dump_opt
['i']) {
6091 mos_refd_objs
= range_tree_create(NULL
, RANGE_SEG64
, NULL
, 0,
6093 dump_objset(dp
->dp_meta_objset
);
6095 if (dump_opt
['d'] >= 3) {
6096 dsl_pool_t
*dp
= spa
->spa_dsl_pool
;
6097 dump_full_bpobj(&spa
->spa_deferred_bpobj
,
6098 "Deferred frees", 0);
6099 if (spa_version(spa
) >= SPA_VERSION_DEADLISTS
) {
6100 dump_full_bpobj(&dp
->dp_free_bpobj
,
6101 "Pool snapshot frees", 0);
6103 if (bpobj_is_open(&dp
->dp_obsolete_bpobj
)) {
6104 ASSERT(spa_feature_is_enabled(spa
,
6105 SPA_FEATURE_DEVICE_REMOVAL
));
6106 dump_full_bpobj(&dp
->dp_obsolete_bpobj
,
6107 "Pool obsolete blocks", 0);
6110 if (spa_feature_is_active(spa
,
6111 SPA_FEATURE_ASYNC_DESTROY
)) {
6112 dump_bptree(spa
->spa_meta_objset
,
6114 "Pool dataset frees");
6116 dump_dtl(spa
->spa_root_vdev
, 0);
6119 for (spa_feature_t f
= 0; f
< SPA_FEATURES
; f
++)
6120 global_feature_count
[f
] = UINT64_MAX
;
6121 global_feature_count
[SPA_FEATURE_REDACTION_BOOKMARKS
] = 0;
6122 global_feature_count
[SPA_FEATURE_BOOKMARK_WRITTEN
] = 0;
6123 global_feature_count
[SPA_FEATURE_LIVELIST
] = 0;
6125 (void) dmu_objset_find(spa_name(spa
), dump_one_objset
,
6126 NULL
, DS_FIND_SNAPSHOTS
| DS_FIND_CHILDREN
);
6128 if (rc
== 0 && !dump_opt
['L'])
6129 rc
= dump_mos_leaks(spa
);
6131 for (f
= 0; f
< SPA_FEATURES
; f
++) {
6135 if (!(spa_feature_table
[f
].fi_flags
&
6136 ZFEATURE_FLAG_PER_DATASET
)) {
6137 if (global_feature_count
[f
] == UINT64_MAX
)
6139 if (!spa_feature_is_enabled(spa
, f
)) {
6140 ASSERT0(global_feature_count
[f
]);
6143 arr
= global_feature_count
;
6145 if (!spa_feature_is_enabled(spa
, f
)) {
6146 ASSERT0(dataset_feature_count
[f
]);
6149 arr
= dataset_feature_count
;
6151 if (feature_get_refcount(spa
, &spa_feature_table
[f
],
6152 &refcount
) == ENOTSUP
)
6154 if (arr
[f
] != refcount
) {
6155 (void) printf("%s feature refcount mismatch: "
6156 "%lld consumers != %lld refcount\n",
6157 spa_feature_table
[f
].fi_uname
,
6158 (longlong_t
)arr
[f
], (longlong_t
)refcount
);
6161 (void) printf("Verified %s feature refcount "
6162 "of %llu is correct\n",
6163 spa_feature_table
[f
].fi_uname
,
6164 (longlong_t
)refcount
);
6169 rc
= verify_device_removal_feature_counts(spa
);
6172 if (rc
== 0 && (dump_opt
['b'] || dump_opt
['c']))
6173 rc
= dump_block_stats(spa
);
6176 rc
= verify_spacemap_refcounts(spa
);
6179 show_pool_stats(spa
);
6185 rc
= verify_checkpoint(spa
);
6188 dump_debug_buffer();
6193 #define ZDB_FLAG_CHECKSUM 0x0001
6194 #define ZDB_FLAG_DECOMPRESS 0x0002
6195 #define ZDB_FLAG_BSWAP 0x0004
6196 #define ZDB_FLAG_GBH 0x0008
6197 #define ZDB_FLAG_INDIRECT 0x0010
6198 #define ZDB_FLAG_PHYS 0x0020
6199 #define ZDB_FLAG_RAW 0x0040
6200 #define ZDB_FLAG_PRINT_BLKPTR 0x0080
6202 static int flagbits
[256];
6205 zdb_print_blkptr(blkptr_t
*bp
, int flags
)
6207 char blkbuf
[BP_SPRINTF_LEN
];
6209 if (flags
& ZDB_FLAG_BSWAP
)
6210 byteswap_uint64_array((void *)bp
, sizeof (blkptr_t
));
6212 snprintf_blkptr(blkbuf
, sizeof (blkbuf
), bp
);
6213 (void) printf("%s\n", blkbuf
);
6217 zdb_dump_indirect(blkptr_t
*bp
, int nbps
, int flags
)
6221 for (i
= 0; i
< nbps
; i
++)
6222 zdb_print_blkptr(&bp
[i
], flags
);
6226 zdb_dump_gbh(void *buf
, int flags
)
6228 zdb_dump_indirect((blkptr_t
*)buf
, SPA_GBH_NBLKPTRS
, flags
);
6232 zdb_dump_block_raw(void *buf
, uint64_t size
, int flags
)
6234 if (flags
& ZDB_FLAG_BSWAP
)
6235 byteswap_uint64_array(buf
, size
);
6236 VERIFY(write(fileno(stdout
), buf
, size
) == size
);
6240 zdb_dump_block(char *label
, void *buf
, uint64_t size
, int flags
)
6242 uint64_t *d
= (uint64_t *)buf
;
6243 unsigned nwords
= size
/ sizeof (uint64_t);
6244 int do_bswap
= !!(flags
& ZDB_FLAG_BSWAP
);
6251 hdr
= " 7 6 5 4 3 2 1 0 f e d c b a 9 8";
6253 hdr
= " 0 1 2 3 4 5 6 7 8 9 a b c d e f";
6255 (void) printf("\n%s\n%6s %s 0123456789abcdef\n", label
, "", hdr
);
6257 #ifdef _LITTLE_ENDIAN
6258 /* correct the endianness */
6259 do_bswap
= !do_bswap
;
6261 for (i
= 0; i
< nwords
; i
+= 2) {
6262 (void) printf("%06llx: %016llx %016llx ",
6263 (u_longlong_t
)(i
* sizeof (uint64_t)),
6264 (u_longlong_t
)(do_bswap
? BSWAP_64(d
[i
]) : d
[i
]),
6265 (u_longlong_t
)(do_bswap
? BSWAP_64(d
[i
+ 1]) : d
[i
+ 1]));
6268 for (j
= 0; j
< 2 * sizeof (uint64_t); j
++)
6269 (void) printf("%c", isprint(c
[j
]) ? c
[j
] : '.');
6270 (void) printf("\n");
6275 * There are two acceptable formats:
6276 * leaf_name - For example: c1t0d0 or /tmp/ztest.0a
6277 * child[.child]* - For example: 0.1.1
6279 * The second form can be used to specify arbitrary vdevs anywhere
6280 * in the hierarchy. For example, in a pool with a mirror of
6281 * RAID-Zs, you can specify either RAID-Z vdev with 0.0 or 0.1 .
6284 zdb_vdev_lookup(vdev_t
*vdev
, const char *path
)
6292 /* First, assume the x.x.x.x format */
6293 i
= strtoul(path
, &s
, 10);
6294 if (s
== path
|| (s
&& *s
!= '.' && *s
!= '\0'))
6296 if (i
>= vdev
->vdev_children
)
6299 vdev
= vdev
->vdev_child
[i
];
6300 if (s
&& *s
== '\0')
6302 return (zdb_vdev_lookup(vdev
, s
+1));
6305 for (i
= 0; i
< vdev
->vdev_children
; i
++) {
6306 vdev_t
*vc
= vdev
->vdev_child
[i
];
6308 if (vc
->vdev_path
== NULL
) {
6309 vc
= zdb_vdev_lookup(vc
, path
);
6316 p
= strrchr(vc
->vdev_path
, '/');
6317 p
= p
? p
+ 1 : vc
->vdev_path
;
6318 q
= &vc
->vdev_path
[strlen(vc
->vdev_path
) - 2];
6320 if (strcmp(vc
->vdev_path
, path
) == 0)
6322 if (strcmp(p
, path
) == 0)
6324 if (strcmp(q
, "s0") == 0 && strncmp(p
, path
, q
- p
) == 0)
6332 * Read a block from a pool and print it out. The syntax of the
6333 * block descriptor is:
6335 * pool:vdev_specifier:offset:size[:flags]
6337 * pool - The name of the pool you wish to read from
6338 * vdev_specifier - Which vdev (see comment for zdb_vdev_lookup)
6339 * offset - offset, in hex, in bytes
6340 * size - Amount of data to read, in hex, in bytes
6341 * flags - A string of characters specifying options
6342 * b: Decode a blkptr at given offset within block
6343 * *c: Calculate and display checksums
6344 * d: Decompress data before dumping
6345 * e: Byteswap data before dumping
6346 * g: Display data as a gang block header
6347 * i: Display as an indirect block
6348 * p: Do I/O to physical offset
6349 * r: Dump raw data to stdout
6351 * * = not yet implemented
6354 zdb_read_block(char *thing
, spa_t
*spa
)
6356 blkptr_t blk
, *bp
= &blk
;
6357 dva_t
*dva
= bp
->blk_dva
;
6359 uint64_t offset
= 0, size
= 0, psize
= 0, lsize
= 0, blkptr_offset
= 0;
6364 const char *s
, *vdev
;
6365 char *p
, *dup
, *flagstr
;
6367 boolean_t borrowed
= B_FALSE
;
6369 dup
= strdup(thing
);
6370 s
= strtok(dup
, ":");
6372 s
= strtok(NULL
, ":");
6373 offset
= strtoull(s
? s
: "", NULL
, 16);
6374 s
= strtok(NULL
, ":");
6375 size
= strtoull(s
? s
: "", NULL
, 16);
6376 s
= strtok(NULL
, ":");
6378 flagstr
= strdup(s
);
6380 flagstr
= strdup("");
6384 s
= "size must not be zero";
6385 if (!IS_P2ALIGNED(size
, DEV_BSIZE
))
6386 s
= "size must be a multiple of sector size";
6387 if (!IS_P2ALIGNED(offset
, DEV_BSIZE
))
6388 s
= "offset must be a multiple of sector size";
6390 (void) printf("Invalid block specifier: %s - %s\n", thing
, s
);
6396 for (s
= strtok(flagstr
, ":"); s
; s
= strtok(NULL
, ":")) {
6397 for (i
= 0; flagstr
[i
]; i
++) {
6398 int bit
= flagbits
[(uchar_t
)flagstr
[i
]];
6401 (void) printf("***Invalid flag: %c\n",
6407 /* If it's not something with an argument, keep going */
6408 if ((bit
& (ZDB_FLAG_CHECKSUM
|
6409 ZDB_FLAG_PRINT_BLKPTR
)) == 0)
6412 p
= &flagstr
[i
+ 1];
6413 if (bit
== ZDB_FLAG_PRINT_BLKPTR
) {
6414 blkptr_offset
= strtoull(p
, &p
, 16);
6415 i
= p
- &flagstr
[i
+ 1];
6417 if (*p
!= ':' && *p
!= '\0') {
6418 (void) printf("***Invalid flag arg: '%s'\n", s
);
6427 vd
= zdb_vdev_lookup(spa
->spa_root_vdev
, vdev
);
6429 (void) printf("***Invalid vdev: %s\n", vdev
);
6434 (void) fprintf(stderr
, "Found vdev: %s\n",
6437 (void) fprintf(stderr
, "Found vdev type: %s\n",
6438 vd
->vdev_ops
->vdev_op_type
);
6444 pabd
= abd_alloc_for_io(SPA_MAXBLOCKSIZE
, B_FALSE
);
6445 lbuf
= umem_alloc(SPA_MAXBLOCKSIZE
, UMEM_NOFAIL
);
6449 DVA_SET_VDEV(&dva
[0], vd
->vdev_id
);
6450 DVA_SET_OFFSET(&dva
[0], offset
);
6451 DVA_SET_GANG(&dva
[0], !!(flags
& ZDB_FLAG_GBH
));
6452 DVA_SET_ASIZE(&dva
[0], vdev_psize_to_asize(vd
, psize
));
6454 BP_SET_BIRTH(bp
, TXG_INITIAL
, TXG_INITIAL
);
6456 BP_SET_LSIZE(bp
, lsize
);
6457 BP_SET_PSIZE(bp
, psize
);
6458 BP_SET_COMPRESS(bp
, ZIO_COMPRESS_OFF
);
6459 BP_SET_CHECKSUM(bp
, ZIO_CHECKSUM_OFF
);
6460 BP_SET_TYPE(bp
, DMU_OT_NONE
);
6461 BP_SET_LEVEL(bp
, 0);
6462 BP_SET_DEDUP(bp
, 0);
6463 BP_SET_BYTEORDER(bp
, ZFS_HOST_BYTEORDER
);
6465 spa_config_enter(spa
, SCL_STATE
, FTAG
, RW_READER
);
6466 zio
= zio_root(spa
, NULL
, NULL
, 0);
6468 if (vd
== vd
->vdev_top
) {
6470 * Treat this as a normal block read.
6472 zio_nowait(zio_read(zio
, spa
, bp
, pabd
, psize
, NULL
, NULL
,
6473 ZIO_PRIORITY_SYNC_READ
,
6474 ZIO_FLAG_CANFAIL
| ZIO_FLAG_RAW
, NULL
));
6477 * Treat this as a vdev child I/O.
6479 zio_nowait(zio_vdev_child_io(zio
, bp
, vd
, offset
, pabd
,
6480 psize
, ZIO_TYPE_READ
, ZIO_PRIORITY_SYNC_READ
,
6481 ZIO_FLAG_DONT_CACHE
| ZIO_FLAG_DONT_QUEUE
|
6482 ZIO_FLAG_DONT_PROPAGATE
| ZIO_FLAG_DONT_RETRY
|
6483 ZIO_FLAG_CANFAIL
| ZIO_FLAG_RAW
| ZIO_FLAG_OPTIONAL
,
6487 error
= zio_wait(zio
);
6488 spa_config_exit(spa
, SCL_STATE
, FTAG
);
6491 (void) printf("Read of %s failed, error: %d\n", thing
, error
);
6495 if (flags
& ZDB_FLAG_DECOMPRESS
) {
6497 * We don't know how the data was compressed, so just try
6498 * every decompress function at every inflated blocksize.
6500 enum zio_compress c
;
6501 void *lbuf2
= umem_alloc(SPA_MAXBLOCKSIZE
, UMEM_NOFAIL
);
6504 * XXX - On the one hand, with SPA_MAXBLOCKSIZE at 16MB,
6505 * this could take a while and we should let the user know
6506 * we are not stuck. On the other hand, printing progress
6507 * info gets old after a while. What to do?
6509 for (lsize
= psize
+ SPA_MINBLOCKSIZE
;
6510 lsize
<= SPA_MAXBLOCKSIZE
; lsize
+= SPA_MINBLOCKSIZE
) {
6511 for (c
= 0; c
< ZIO_COMPRESS_FUNCTIONS
; c
++) {
6513 * ZLE can easily decompress non zle stream.
6514 * So have an option to disable it.
6516 if (c
== ZIO_COMPRESS_ZLE
&&
6517 getenv("ZDB_NO_ZLE"))
6520 (void) fprintf(stderr
,
6521 "Trying %05llx -> %05llx (%s)\n",
6522 (u_longlong_t
)psize
, (u_longlong_t
)lsize
,
6523 zio_compress_table
[c
].ci_name
);
6526 * We randomize lbuf2, and decompress to both
6527 * lbuf and lbuf2. This way, we will know if
6528 * decompression fill exactly to lsize.
6530 VERIFY0(random_get_pseudo_bytes(lbuf2
, lsize
));
6532 if (zio_decompress_data(c
, pabd
,
6533 lbuf
, psize
, lsize
) == 0 &&
6534 zio_decompress_data(c
, pabd
,
6535 lbuf2
, psize
, lsize
) == 0 &&
6536 bcmp(lbuf
, lbuf2
, lsize
) == 0)
6539 if (c
!= ZIO_COMPRESS_FUNCTIONS
)
6542 umem_free(lbuf2
, SPA_MAXBLOCKSIZE
);
6544 if (lsize
> SPA_MAXBLOCKSIZE
) {
6545 (void) printf("Decompress of %s failed\n", thing
);
6552 buf
= abd_borrow_buf_copy(pabd
, size
);
6556 if (flags
& ZDB_FLAG_PRINT_BLKPTR
)
6557 zdb_print_blkptr((blkptr_t
*)(void *)
6558 ((uintptr_t)buf
+ (uintptr_t)blkptr_offset
), flags
);
6559 else if (flags
& ZDB_FLAG_RAW
)
6560 zdb_dump_block_raw(buf
, size
, flags
);
6561 else if (flags
& ZDB_FLAG_INDIRECT
)
6562 zdb_dump_indirect((blkptr_t
*)buf
, size
/ sizeof (blkptr_t
),
6564 else if (flags
& ZDB_FLAG_GBH
)
6565 zdb_dump_gbh(buf
, flags
);
6567 zdb_dump_block(thing
, buf
, size
, flags
);
6570 abd_return_buf_copy(pabd
, buf
, size
);
6574 umem_free(lbuf
, SPA_MAXBLOCKSIZE
);
6579 zdb_embedded_block(char *thing
)
6582 unsigned long long *words
= (void *)&bp
;
6586 bzero(&bp
, sizeof (bp
));
6587 err
= sscanf(thing
, "%llx:%llx:%llx:%llx:%llx:%llx:%llx:%llx:"
6588 "%llx:%llx:%llx:%llx:%llx:%llx:%llx:%llx",
6589 words
+ 0, words
+ 1, words
+ 2, words
+ 3,
6590 words
+ 4, words
+ 5, words
+ 6, words
+ 7,
6591 words
+ 8, words
+ 9, words
+ 10, words
+ 11,
6592 words
+ 12, words
+ 13, words
+ 14, words
+ 15);
6594 (void) fprintf(stderr
, "invalid input format\n");
6597 ASSERT3U(BPE_GET_LSIZE(&bp
), <=, SPA_MAXBLOCKSIZE
);
6598 buf
= malloc(SPA_MAXBLOCKSIZE
);
6600 (void) fprintf(stderr
, "out of memory\n");
6603 err
= decode_embedded_bp(&bp
, buf
, BPE_GET_LSIZE(&bp
));
6605 (void) fprintf(stderr
, "decode failed: %u\n", err
);
6608 zdb_dump_block_raw(buf
, BPE_GET_LSIZE(&bp
), 0);
6613 main(int argc
, char **argv
)
6616 struct rlimit rl
= { 1024, 1024 };
6618 objset_t
*os
= NULL
;
6622 char **searchdirs
= NULL
;
6624 char *target
, *target_pool
;
6625 nvlist_t
*policy
= NULL
;
6626 uint64_t max_txg
= UINT64_MAX
;
6627 int flags
= ZFS_IMPORT_MISSING_LOG
;
6628 int rewind
= ZPOOL_NEVER_REWIND
;
6629 char *spa_config_path_env
;
6630 boolean_t target_is_spa
= B_TRUE
;
6631 nvlist_t
*cfg
= NULL
;
6633 (void) setrlimit(RLIMIT_NOFILE
, &rl
);
6634 (void) enable_extended_FILE_stdio(-1, -1);
6636 dprintf_setup(&argc
, argv
);
6639 * If there is an environment variable SPA_CONFIG_PATH it overrides
6640 * default spa_config_path setting. If -U flag is specified it will
6641 * override this environment variable settings once again.
6643 spa_config_path_env
= getenv("SPA_CONFIG_PATH");
6644 if (spa_config_path_env
!= NULL
)
6645 spa_config_path
= spa_config_path_env
;
6648 * For performance reasons, we set this tunable down. We do so before
6649 * the arg parsing section so that the user can override this value if
6652 zfs_btree_verify_intensity
= 3;
6654 while ((c
= getopt(argc
, argv
,
6655 "AbcCdDeEFGhiI:klLmMo:Op:PqRsSt:uU:vVx:XY")) != -1) {
6688 zfs_reconstruct_indirect_combinations_max
= INT_MAX
;
6689 zfs_deadman_enabled
= 0;
6691 /* NB: Sort single match options below. */
6693 max_inflight_bytes
= strtoull(optarg
, NULL
, 0);
6694 if (max_inflight_bytes
== 0) {
6695 (void) fprintf(stderr
, "maximum number "
6696 "of inflight bytes must be greater "
6702 error
= set_global_var(optarg
);
6707 if (searchdirs
== NULL
) {
6708 searchdirs
= umem_alloc(sizeof (char *),
6711 char **tmp
= umem_alloc((nsearch
+ 1) *
6712 sizeof (char *), UMEM_NOFAIL
);
6713 bcopy(searchdirs
, tmp
, nsearch
*
6715 umem_free(searchdirs
,
6716 nsearch
* sizeof (char *));
6719 searchdirs
[nsearch
++] = optarg
;
6722 max_txg
= strtoull(optarg
, NULL
, 0);
6723 if (max_txg
< TXG_INITIAL
) {
6724 (void) fprintf(stderr
, "incorrect txg "
6725 "specified: %s\n", optarg
);
6730 spa_config_path
= optarg
;
6731 if (spa_config_path
[0] != '/') {
6732 (void) fprintf(stderr
,
6733 "cachefile must be an absolute path "
6734 "(i.e. start with a slash)\n");
6742 flags
= ZFS_IMPORT_VERBATIM
;
6745 vn_dumpdir
= optarg
;
6753 if (!dump_opt
['e'] && searchdirs
!= NULL
) {
6754 (void) fprintf(stderr
, "-p option requires use of -e\n");
6760 * ZDB does not typically re-read blocks; therefore limit the ARC
6761 * to 256 MB, which can be used entirely for metadata.
6763 zfs_arc_max
= zfs_arc_meta_limit
= 256 * 1024 * 1024;
6767 * "zdb -c" uses checksum-verifying scrub i/os which are async reads.
6768 * "zdb -b" uses traversal prefetch which uses async reads.
6769 * For good performance, let several of them be active at once.
6771 zfs_vdev_async_read_max_active
= 10;
6774 * Disable reference tracking for better performance.
6776 reference_tracking_enable
= B_FALSE
;
6779 * Do not fail spa_load when spa_load_verify fails. This is needed
6780 * to load non-idle pools.
6782 spa_load_verify_dryrun
= B_TRUE
;
6784 kernel_init(SPA_MODE_READ
);
6787 verbose
= MAX(verbose
, 1);
6789 for (c
= 0; c
< 256; c
++) {
6790 if (dump_all
&& strchr("AeEFklLOPRSX", c
) == NULL
)
6793 dump_opt
[c
] += verbose
;
6796 aok
= (dump_opt
['A'] == 1) || (dump_opt
['A'] > 2);
6797 zfs_recover
= (dump_opt
['A'] > 1);
6802 if (argc
< 2 && dump_opt
['R'])
6805 if (dump_opt
['E']) {
6808 zdb_embedded_block(argv
[0]);
6813 if (!dump_opt
['e'] && dump_opt
['C']) {
6814 dump_cachefile(spa_config_path
);
6821 return (dump_label(argv
[0]));
6823 if (dump_opt
['O']) {
6826 dump_opt
['v'] = verbose
+ 3;
6827 return (dump_path(argv
[0], argv
[1]));
6830 if (dump_opt
['X'] || dump_opt
['F'])
6831 rewind
= ZPOOL_DO_REWIND
|
6832 (dump_opt
['X'] ? ZPOOL_EXTREME_REWIND
: 0);
6834 if (nvlist_alloc(&policy
, NV_UNIQUE_NAME_TYPE
, 0) != 0 ||
6835 nvlist_add_uint64(policy
, ZPOOL_LOAD_REQUEST_TXG
, max_txg
) != 0 ||
6836 nvlist_add_uint32(policy
, ZPOOL_LOAD_REWIND_POLICY
, rewind
) != 0)
6837 fatal("internal error: %s", strerror(ENOMEM
));
6842 if (strpbrk(target
, "/@") != NULL
) {
6845 target_pool
= strdup(target
);
6846 *strpbrk(target_pool
, "/@") = '\0';
6848 target_is_spa
= B_FALSE
;
6849 targetlen
= strlen(target
);
6850 if (targetlen
&& target
[targetlen
- 1] == '/')
6851 target
[targetlen
- 1] = '\0';
6853 target_pool
= target
;
6856 if (dump_opt
['e']) {
6857 importargs_t args
= { 0 };
6859 args
.paths
= nsearch
;
6860 args
.path
= searchdirs
;
6861 args
.can_be_active
= B_TRUE
;
6863 error
= zpool_find_config(NULL
, target_pool
, &cfg
, &args
,
6864 &libzpool_config_ops
);
6868 if (nvlist_add_nvlist(cfg
,
6869 ZPOOL_LOAD_POLICY
, policy
) != 0) {
6870 fatal("can't open '%s': %s",
6871 target
, strerror(ENOMEM
));
6874 if (dump_opt
['C'] > 1) {
6875 (void) printf("\nConfiguration for import:\n");
6876 dump_nvlist(cfg
, 8);
6880 * Disable the activity check to allow examination of
6883 error
= spa_import(target_pool
, cfg
, NULL
,
6884 flags
| ZFS_IMPORT_SKIP_MMP
);
6889 * import_checkpointed_state makes the assumption that the
6890 * target pool that we pass it is already part of the spa
6891 * namespace. Because of that we need to make sure to call
6892 * it always after the -e option has been processed, which
6893 * imports the pool to the namespace if it's not in the
6896 char *checkpoint_pool
= NULL
;
6897 char *checkpoint_target
= NULL
;
6898 if (dump_opt
['k']) {
6899 checkpoint_pool
= import_checkpointed_state(target
, cfg
,
6900 &checkpoint_target
);
6902 if (checkpoint_target
!= NULL
)
6903 target
= checkpoint_target
;
6906 if (target_pool
!= target
)
6910 if (dump_opt
['k'] && (target_is_spa
|| dump_opt
['R'])) {
6911 ASSERT(checkpoint_pool
!= NULL
);
6912 ASSERT(checkpoint_target
== NULL
);
6914 error
= spa_open(checkpoint_pool
, &spa
, FTAG
);
6916 fatal("Tried to open pool \"%s\" but "
6917 "spa_open() failed with error %d\n",
6918 checkpoint_pool
, error
);
6921 } else if (target_is_spa
|| dump_opt
['R']) {
6922 zdb_set_skip_mmp(target
);
6923 error
= spa_open_rewind(target
, &spa
, FTAG
, policy
,
6927 * If we're missing the log device then
6928 * try opening the pool after clearing the
6931 mutex_enter(&spa_namespace_lock
);
6932 if ((spa
= spa_lookup(target
)) != NULL
&&
6933 spa
->spa_log_state
== SPA_LOG_MISSING
) {
6934 spa
->spa_log_state
= SPA_LOG_CLEAR
;
6937 mutex_exit(&spa_namespace_lock
);
6940 error
= spa_open_rewind(target
, &spa
,
6941 FTAG
, policy
, NULL
);
6944 } else if (strpbrk(target
, "#") != NULL
) {
6946 error
= dsl_pool_hold(target
, FTAG
, &dp
);
6948 fatal("can't dump '%s': %s", target
,
6951 error
= dump_bookmark(dp
, target
, B_TRUE
, verbose
> 1);
6952 dsl_pool_rele(dp
, FTAG
);
6954 fatal("can't dump '%s': %s", target
,
6959 zdb_set_skip_mmp(target
);
6960 error
= open_objset(target
, FTAG
, &os
);
6962 spa
= dmu_objset_spa(os
);
6965 nvlist_free(policy
);
6968 fatal("can't open '%s': %s", target
, strerror(error
));
6971 * Set the pool failure mode to panic in order to prevent the pool
6972 * from suspending. A suspended I/O will have no way to resume and
6973 * can prevent the zdb(8) command from terminating as expected.
6976 spa
->spa_failmode
= ZIO_FAILURE_MODE_PANIC
;
6980 if (!dump_opt
['R']) {
6982 zopt_objects
= argc
;
6983 zopt_object
= calloc(zopt_objects
, sizeof (uint64_t));
6984 for (unsigned i
= 0; i
< zopt_objects
; i
++) {
6986 zopt_object
[i
] = strtoull(argv
[i
], NULL
, 0);
6987 if (zopt_object
[i
] == 0 && errno
!= 0)
6988 fatal("bad number %s: %s",
6989 argv
[i
], strerror(errno
));
6994 } else if (zopt_objects
> 0 && !dump_opt
['m']) {
6995 dump_objset(spa
->spa_meta_objset
);
7000 flagbits
['b'] = ZDB_FLAG_PRINT_BLKPTR
;
7001 flagbits
['c'] = ZDB_FLAG_CHECKSUM
;
7002 flagbits
['d'] = ZDB_FLAG_DECOMPRESS
;
7003 flagbits
['e'] = ZDB_FLAG_BSWAP
;
7004 flagbits
['g'] = ZDB_FLAG_GBH
;
7005 flagbits
['i'] = ZDB_FLAG_INDIRECT
;
7006 flagbits
['p'] = ZDB_FLAG_PHYS
;
7007 flagbits
['r'] = ZDB_FLAG_RAW
;
7009 for (int i
= 0; i
< argc
; i
++)
7010 zdb_read_block(argv
[i
], spa
);
7013 if (dump_opt
['k']) {
7014 free(checkpoint_pool
);
7016 free(checkpoint_target
);
7020 close_objset(os
, FTAG
);
7022 spa_close(spa
, FTAG
);
7025 fuid_table_destroy();
7027 dump_debug_buffer();