author | perrin |
Mon, 04 Aug 2008 20:36:57 -0700 | |
changeset 7294 | c9c31ef4c960 |
parent 6643 | 3a34b0dbb107 |
child 7390 | 6d408f0a5fbd |
permissions | -rw-r--r-- |
789 | 1 |
/* |
2 |
* CDDL HEADER START |
|
3 |
* |
|
4 |
* The contents of this file are subject to the terms of the |
|
1544 | 5 |
* Common Development and Distribution License (the "License"). |
6 |
* You may not use this file except in compliance with the License. |
|
789 | 7 |
* |
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. |
|
12 |
* |
|
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] |
|
18 |
* |
|
19 |
* CDDL HEADER END |
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20 |
*/ |
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21 |
/* |
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22 |
* Copyright 2008 Sun Microsystems, Inc. All rights reserved. |
789 | 23 |
* Use is subject to license terms. |
24 |
*/ |
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25 |
||
26 |
#pragma ident "%Z%%M% %I% %E% SMI" |
|
27 |
||
28 |
#include <mdb/mdb_ctf.h> |
|
29 |
#include <sys/zfs_context.h> |
|
30 |
#include <sys/mdb_modapi.h> |
|
31 |
#include <sys/dbuf.h> |
|
32 |
#include <sys/dmu_objset.h> |
|
33 |
#include <sys/dsl_dir.h> |
|
34 |
#include <sys/dsl_pool.h> |
|
35 |
#include <sys/metaslab_impl.h> |
|
36 |
#include <sys/space_map.h> |
|
37 |
#include <sys/list.h> |
|
38 |
#include <sys/spa_impl.h> |
|
39 |
#include <sys/vdev_impl.h> |
|
40 |
#include <sys/zio_compress.h> |
|
41 |
||
42 |
#ifndef _KERNEL |
|
43 |
#include "../genunix/list.h" |
|
44 |
#endif |
|
45 |
||
46 |
#ifdef _KERNEL |
|
47 |
#define ZFS_OBJ_NAME "zfs" |
|
48 |
#else |
|
49 |
#define ZFS_OBJ_NAME "libzpool.so.1" |
|
50 |
#endif |
|
51 |
||
52 |
static char * |
|
53 |
local_strdup(const char *s) |
|
54 |
{ |
|
55 |
char *s1 = mdb_alloc(strlen(s) + 1, UM_SLEEP); |
|
56 |
||
57 |
(void) strcpy(s1, s); |
|
58 |
return (s1); |
|
59 |
} |
|
60 |
||
61 |
static int |
|
62 |
getmember(uintptr_t addr, const char *type, mdb_ctf_id_t *idp, |
|
63 |
const char *member, int len, void *buf) |
|
64 |
{ |
|
65 |
mdb_ctf_id_t id; |
|
66 |
ulong_t off; |
|
67 |
char name[64]; |
|
68 |
||
69 |
if (idp == NULL) { |
|
70 |
if (mdb_ctf_lookup_by_name(type, &id) == -1) { |
|
71 |
mdb_warn("couldn't find type %s", type); |
|
72 |
return (DCMD_ERR); |
|
73 |
} |
|
74 |
idp = &id; |
|
75 |
} else { |
|
76 |
type = name; |
|
77 |
mdb_ctf_type_name(*idp, name, sizeof (name)); |
|
78 |
} |
|
79 |
||
80 |
if (mdb_ctf_offsetof(*idp, member, &off) == -1) { |
|
81 |
mdb_warn("couldn't find member %s of type %s\n", member, type); |
|
82 |
return (DCMD_ERR); |
|
83 |
} |
|
84 |
if (off % 8 != 0) { |
|
85 |
mdb_warn("member %s of type %s is unsupported bitfield", |
|
86 |
member, type); |
|
87 |
return (DCMD_ERR); |
|
88 |
} |
|
89 |
off /= 8; |
|
90 |
||
91 |
if (mdb_vread(buf, len, addr + off) == -1) { |
|
92 |
mdb_warn("failed to read %s from %s at %p", |
|
93 |
member, type, addr + off); |
|
94 |
return (DCMD_ERR); |
|
95 |
} |
|
96 |
/* mdb_warn("read %s from %s at %p+%llx\n", member, type, addr, off); */ |
|
97 |
||
98 |
return (0); |
|
99 |
} |
|
100 |
||
101 |
#define GETMEMB(addr, type, member, dest) \ |
|
102 |
getmember(addr, #type, NULL, #member, sizeof (dest), &(dest)) |
|
103 |
||
104 |
#define GETMEMBID(addr, ctfid, member, dest) \ |
|
105 |
getmember(addr, NULL, ctfid, #member, sizeof (dest), &(dest)) |
|
106 |
||
107 |
static int |
|
108 |
getrefcount(uintptr_t addr, mdb_ctf_id_t *id, |
|
109 |
const char *member, uint64_t *rc) |
|
110 |
{ |
|
111 |
static int gotid; |
|
112 |
static mdb_ctf_id_t rc_id; |
|
113 |
ulong_t off; |
|
114 |
||
115 |
if (!gotid) { |
|
116 |
if (mdb_ctf_lookup_by_name("struct refcount", &rc_id) == -1) { |
|
117 |
mdb_warn("couldn't find struct refcount"); |
|
118 |
return (DCMD_ERR); |
|
119 |
} |
|
120 |
gotid = TRUE; |
|
121 |
} |
|
122 |
||
123 |
if (mdb_ctf_offsetof(*id, member, &off) == -1) { |
|
124 |
char name[64]; |
|
125 |
mdb_ctf_type_name(*id, name, sizeof (name)); |
|
126 |
mdb_warn("couldn't find member %s of type %s\n", member, name); |
|
127 |
return (DCMD_ERR); |
|
128 |
} |
|
129 |
off /= 8; |
|
130 |
||
131 |
return (GETMEMBID(addr + off, &rc_id, rc_count, *rc)); |
|
132 |
} |
|
133 |
||
134 |
static int |
|
135 |
read_symbol(char *sym_name, void **bufp) |
|
136 |
{ |
|
137 |
GElf_Sym sym; |
|
138 |
||
139 |
if (mdb_lookup_by_obj(MDB_TGT_OBJ_EVERY, sym_name, &sym)) { |
|
140 |
mdb_warn("can't find symbol %s", sym_name); |
|
141 |
return (DCMD_ERR); |
|
142 |
} |
|
143 |
||
144 |
*bufp = mdb_alloc(sym.st_size, UM_SLEEP); |
|
145 |
||
146 |
if (mdb_vread(*bufp, sym.st_size, sym.st_value) == -1) { |
|
147 |
mdb_warn("can't read data for symbol %s", sym_name); |
|
148 |
mdb_free(*bufp, sym.st_size); |
|
149 |
return (DCMD_ERR); |
|
150 |
} |
|
151 |
||
152 |
return (DCMD_OK); |
|
153 |
} |
|
154 |
||
155 |
static int verbose; |
|
156 |
||
157 |
static int |
|
158 |
freelist_walk_init(mdb_walk_state_t *wsp) |
|
159 |
{ |
|
160 |
if (wsp->walk_addr == NULL) { |
|
161 |
mdb_warn("must supply starting address\n"); |
|
162 |
return (WALK_ERR); |
|
163 |
} |
|
164 |
||
165 |
wsp->walk_data = 0; /* Index into the freelist */ |
|
166 |
return (WALK_NEXT); |
|
167 |
} |
|
168 |
||
169 |
static int |
|
170 |
freelist_walk_step(mdb_walk_state_t *wsp) |
|
171 |
{ |
|
172 |
uint64_t entry; |
|
173 |
uintptr_t number = (uintptr_t)wsp->walk_data; |
|
3361
a3d194896a76
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174 |
char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID", |
a3d194896a76
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175 |
"INVALID", "INVALID", "INVALID", "INVALID" }; |
789 | 176 |
int mapshift = SPA_MINBLOCKSHIFT; |
177 |
||
178 |
if (mdb_vread(&entry, sizeof (entry), wsp->walk_addr) == -1) { |
|
179 |
mdb_warn("failed to read freelist entry %p", wsp->walk_addr); |
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180 |
return (WALK_DONE); |
|
181 |
} |
|
182 |
wsp->walk_addr += sizeof (entry); |
|
183 |
wsp->walk_data = (void *)(number + 1); |
|
184 |
||
185 |
if (SM_DEBUG_DECODE(entry)) { |
|
186 |
mdb_printf("DEBUG: %3u %10s: txg=%llu pass=%llu\n", |
|
187 |
number, |
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188 |
ddata[SM_DEBUG_ACTION_DECODE(entry)], |
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189 |
SM_DEBUG_TXG_DECODE(entry), |
|
190 |
SM_DEBUG_SYNCPASS_DECODE(entry)); |
|
191 |
} else { |
|
192 |
mdb_printf("Entry: %3u offsets=%08llx-%08llx type=%c " |
|
193 |
"size=%06llx", number, |
|
194 |
SM_OFFSET_DECODE(entry) << mapshift, |
|
195 |
(SM_OFFSET_DECODE(entry) + SM_RUN_DECODE(entry)) << |
|
196 |
mapshift, |
|
197 |
SM_TYPE_DECODE(entry) == SM_ALLOC ? 'A' : 'F', |
|
198 |
SM_RUN_DECODE(entry) << mapshift); |
|
199 |
if (verbose) |
|
200 |
mdb_printf(" (raw=%012llx)\n", entry); |
|
201 |
mdb_printf("\n"); |
|
202 |
} |
|
203 |
return (WALK_NEXT); |
|
204 |
} |
|
205 |
||
206 |
||
207 |
static int |
|
208 |
dataset_name(uintptr_t addr, char *buf) |
|
209 |
{ |
|
210 |
static int gotid; |
|
211 |
static mdb_ctf_id_t dd_id; |
|
212 |
uintptr_t dd_parent; |
|
213 |
char dd_myname[MAXNAMELEN]; |
|
214 |
||
215 |
if (!gotid) { |
|
216 |
if (mdb_ctf_lookup_by_name("struct dsl_dir", |
|
217 |
&dd_id) == -1) { |
|
218 |
mdb_warn("couldn't find struct dsl_dir"); |
|
219 |
return (DCMD_ERR); |
|
220 |
} |
|
221 |
gotid = TRUE; |
|
222 |
} |
|
223 |
if (GETMEMBID(addr, &dd_id, dd_parent, dd_parent) || |
|
224 |
GETMEMBID(addr, &dd_id, dd_myname, dd_myname)) { |
|
225 |
return (DCMD_ERR); |
|
226 |
} |
|
227 |
||
228 |
if (dd_parent) { |
|
229 |
if (dataset_name(dd_parent, buf)) |
|
230 |
return (DCMD_ERR); |
|
231 |
strcat(buf, "/"); |
|
232 |
} |
|
233 |
||
234 |
if (dd_myname[0]) |
|
235 |
strcat(buf, dd_myname); |
|
236 |
else |
|
237 |
strcat(buf, "???"); |
|
238 |
||
239 |
return (0); |
|
240 |
} |
|
241 |
||
242 |
static int |
|
243 |
objset_name(uintptr_t addr, char *buf) |
|
244 |
{ |
|
245 |
static int gotid; |
|
246 |
static mdb_ctf_id_t osi_id, ds_id; |
|
247 |
uintptr_t os_dsl_dataset; |
|
248 |
char ds_snapname[MAXNAMELEN]; |
|
249 |
uintptr_t ds_dir; |
|
250 |
||
251 |
buf[0] = '\0'; |
|
252 |
||
253 |
if (!gotid) { |
|
254 |
if (mdb_ctf_lookup_by_name("struct objset_impl", |
|
255 |
&osi_id) == -1) { |
|
256 |
mdb_warn("couldn't find struct objset_impl"); |
|
257 |
return (DCMD_ERR); |
|
258 |
} |
|
259 |
if (mdb_ctf_lookup_by_name("struct dsl_dataset", |
|
260 |
&ds_id) == -1) { |
|
261 |
mdb_warn("couldn't find struct dsl_dataset"); |
|
262 |
return (DCMD_ERR); |
|
263 |
} |
|
264 |
||
265 |
gotid = TRUE; |
|
266 |
} |
|
267 |
||
268 |
if (GETMEMBID(addr, &osi_id, os_dsl_dataset, os_dsl_dataset)) |
|
269 |
return (DCMD_ERR); |
|
270 |
||
271 |
if (os_dsl_dataset == 0) { |
|
272 |
strcat(buf, "mos"); |
|
273 |
return (0); |
|
274 |
} |
|
275 |
||
276 |
if (GETMEMBID(os_dsl_dataset, &ds_id, ds_snapname, ds_snapname) || |
|
277 |
GETMEMBID(os_dsl_dataset, &ds_id, ds_dir, ds_dir)) { |
|
278 |
return (DCMD_ERR); |
|
279 |
} |
|
280 |
||
281 |
if (ds_dir && dataset_name(ds_dir, buf)) |
|
282 |
return (DCMD_ERR); |
|
283 |
||
284 |
if (ds_snapname[0]) { |
|
285 |
strcat(buf, "@"); |
|
286 |
strcat(buf, ds_snapname); |
|
287 |
} |
|
288 |
return (0); |
|
289 |
} |
|
290 |
||
291 |
static void |
|
292 |
enum_lookup(char *out, size_t size, mdb_ctf_id_t id, int val, |
|
293 |
const char *prefix) |
|
294 |
{ |
|
295 |
const char *cp; |
|
296 |
size_t len = strlen(prefix); |
|
297 |
||
298 |
if ((cp = mdb_ctf_enum_name(id, val)) != NULL) { |
|
299 |
if (strncmp(cp, prefix, len) == 0) |
|
300 |
cp += len; |
|
301 |
(void) strncpy(out, cp, size); |
|
302 |
} else { |
|
303 |
mdb_snprintf(out, size, "? (%d)", val); |
|
304 |
} |
|
305 |
} |
|
306 |
||
307 |
/* ARGSUSED */ |
|
308 |
static int |
|
309 |
zio_pipeline(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) |
|
310 |
{ |
|
311 |
mdb_ctf_id_t pipe_enum; |
|
312 |
int i; |
|
313 |
char stage[1024]; |
|
314 |
||
315 |
if (mdb_ctf_lookup_by_name("enum zio_stage", &pipe_enum) == -1) { |
|
316 |
mdb_warn("Could not find enum zio_stage"); |
|
317 |
return (DCMD_ERR); |
|
318 |
} |
|
319 |
||
320 |
for (i = 0; i < 32; i++) { |
|
321 |
if (addr & (1U << i)) { |
|
322 |
enum_lookup(stage, sizeof (stage), pipe_enum, i, |
|
323 |
"ZIO_STAGE_"); |
|
324 |
mdb_printf(" %s\n", stage); |
|
325 |
} |
|
326 |
} |
|
327 |
||
328 |
return (DCMD_OK); |
|
329 |
} |
|
330 |
||
331 |
/* ARGSUSED */ |
|
332 |
static int |
|
3059 | 333 |
zfs_params(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) |
334 |
{ |
|
335 |
/* |
|
336 |
* This table can be approximately generated by running: |
|
337 |
* egrep "^[a-z0-9_]+ [a-z0-9_]+( =.*)?;" *.c | cut -d ' ' -f 2 |
|
338 |
*/ |
|
339 |
static const char *params[] = { |
|
340 |
"arc_reduce_dnlc_percent", |
|
341 |
"zfs_arc_max", |
|
342 |
"zfs_arc_min", |
|
3158
f30a3849aa23
6493923 nfsfind on ZFS filesystem quickly depletes memory in a 1GB system
maybee
parents:
3059
diff
changeset
|
343 |
"arc_shrink_shift", |
3059 | 344 |
"zfs_mdcomp_disable", |
345 |
"zfs_prefetch_disable", |
|
346 |
"zfetch_max_streams", |
|
347 |
"zfetch_min_sec_reap", |
|
348 |
"zfetch_block_cap", |
|
349 |
"zfetch_array_rd_sz", |
|
350 |
"zfs_default_bs", |
|
351 |
"zfs_default_ibs", |
|
352 |
"metaslab_aliquot", |
|
353 |
"reference_tracking_enable", |
|
354 |
"reference_history", |
|
355 |
"zio_taskq_threads", |
|
356 |
"spa_max_replication_override", |
|
357 |
"spa_mode", |
|
358 |
"zfs_flags", |
|
6245
1a2a7cfb9f26
6429205 each zpool needs to monitor its throughput and throttle heavy writers
maybee
parents:
5367
diff
changeset
|
359 |
"zfs_txg_synctime", |
1a2a7cfb9f26
6429205 each zpool needs to monitor its throughput and throttle heavy writers
maybee
parents:
5367
diff
changeset
|
360 |
"zfs_txg_timeout", |
1a2a7cfb9f26
6429205 each zpool needs to monitor its throughput and throttle heavy writers
maybee
parents:
5367
diff
changeset
|
361 |
"zfs_write_limit_min", |
1a2a7cfb9f26
6429205 each zpool needs to monitor its throughput and throttle heavy writers
maybee
parents:
5367
diff
changeset
|
362 |
"zfs_write_limit_max", |
1a2a7cfb9f26
6429205 each zpool needs to monitor its throughput and throttle heavy writers
maybee
parents:
5367
diff
changeset
|
363 |
"zfs_write_limit_shift", |
1a2a7cfb9f26
6429205 each zpool needs to monitor its throughput and throttle heavy writers
maybee
parents:
5367
diff
changeset
|
364 |
"zfs_write_limit_override", |
1a2a7cfb9f26
6429205 each zpool needs to monitor its throughput and throttle heavy writers
maybee
parents:
5367
diff
changeset
|
365 |
"zfs_no_write_throttle", |
3059 | 366 |
"zfs_vdev_cache_max", |
367 |
"zfs_vdev_cache_size", |
|
368 |
"zfs_vdev_cache_bshift", |
|
369 |
"vdev_mirror_shift", |
|
370 |
"zfs_vdev_max_pending", |
|
371 |
"zfs_vdev_min_pending", |
|
372 |
"zfs_scrub_limit", |
|
373 |
"zfs_vdev_time_shift", |
|
374 |
"zfs_vdev_ramp_rate", |
|
375 |
"zfs_vdev_aggregation_limit", |
|
376 |
"fzap_default_block_shift", |
|
377 |
"zfs_immediate_write_sz", |
|
378 |
"zfs_read_chunk_size", |
|
379 |
"zil_disable", |
|
380 |
"zfs_nocacheflush", |
|
6245
1a2a7cfb9f26
6429205 each zpool needs to monitor its throughput and throttle heavy writers
maybee
parents:
5367
diff
changeset
|
381 |
"metaslab_gang_bang", |
3059 | 382 |
"zio_injection_enabled", |
383 |
"zvol_immediate_write_sz", |
|
384 |
}; |
|
385 |
int i; |
|
386 |
||
387 |
for (i = 0; i < sizeof (params) / sizeof (params[0]); i++) { |
|
388 |
int sz; |
|
389 |
uint64_t val64; |
|
390 |
uint32_t *val32p = (uint32_t *)&val64; |
|
391 |
||
392 |
sz = mdb_readvar(&val64, params[i]); |
|
393 |
if (sz == 4) { |
|
394 |
mdb_printf("%s = 0x%x\n", params[i], *val32p); |
|
395 |
} else if (sz == 8) { |
|
396 |
mdb_printf("%s = 0x%llx\n", params[i], val64); |
|
397 |
} else { |
|
398 |
mdb_warn("variable %s not found", params[i]); |
|
399 |
} |
|
400 |
} |
|
401 |
||
402 |
return (DCMD_OK); |
|
403 |
} |
|
404 |
||
405 |
/* ARGSUSED */ |
|
406 |
static int |
|
789 | 407 |
blkptr(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) |
408 |
{ |
|
409 |
blkptr_t bp; |
|
410 |
dmu_object_type_info_t *doti; |
|
411 |
zio_compress_info_t *zct; |
|
412 |
zio_checksum_info_t *zci; |
|
413 |
int i; |
|
414 |
char buf[MAXPATHLEN]; |
|
415 |
||
416 |
if (mdb_vread(&bp, sizeof (blkptr_t), addr) == -1) { |
|
417 |
mdb_warn("failed to read blkptr_t"); |
|
418 |
return (DCMD_ERR); |
|
419 |
} |
|
420 |
||
421 |
if (read_symbol("dmu_ot", (void **)&doti) != DCMD_OK) |
|
422 |
return (DCMD_ERR); |
|
423 |
for (i = 0; i < DMU_OT_NUMTYPES; i++) { |
|
424 |
mdb_readstr(buf, sizeof (buf), (uintptr_t)doti[i].ot_name); |
|
425 |
doti[i].ot_name = local_strdup(buf); |
|
426 |
} |
|
427 |
||
428 |
if (read_symbol("zio_checksum_table", (void **)&zci) != DCMD_OK) |
|
429 |
return (DCMD_ERR); |
|
430 |
for (i = 0; i < ZIO_CHECKSUM_FUNCTIONS; i++) { |
|
431 |
mdb_readstr(buf, sizeof (buf), (uintptr_t)zci[i].ci_name); |
|
432 |
zci[i].ci_name = local_strdup(buf); |
|
433 |
} |
|
434 |
||
435 |
if (read_symbol("zio_compress_table", (void **)&zct) != DCMD_OK) |
|
436 |
return (DCMD_ERR); |
|
437 |
for (i = 0; i < ZIO_COMPRESS_FUNCTIONS; i++) { |
|
438 |
mdb_readstr(buf, sizeof (buf), (uintptr_t)zct[i].ci_name); |
|
439 |
zct[i].ci_name = local_strdup(buf); |
|
440 |
} |
|
441 |
||
1775
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1732
diff
changeset
|
442 |
/* |
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1732
diff
changeset
|
443 |
* Super-ick warning: This code is also duplicated in |
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1732
diff
changeset
|
444 |
* cmd/zdb.c . Yeah, I hate code replication, too. |
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1732
diff
changeset
|
445 |
*/ |
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1732
diff
changeset
|
446 |
for (i = 0; i < BP_GET_NDVAS(&bp); i++) { |
1732 | 447 |
dva_t *dva = &bp.blk_dva[i]; |
1775
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1732
diff
changeset
|
448 |
|
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1732
diff
changeset
|
449 |
mdb_printf("DVA[%d]: vdev_id %lld / %llx\n", i, |
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1732
diff
changeset
|
450 |
DVA_GET_VDEV(dva), DVA_GET_OFFSET(dva)); |
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1732
diff
changeset
|
451 |
mdb_printf("DVA[%d]: GANG: %-5s GRID: %04x\t" |
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1732
diff
changeset
|
452 |
"ASIZE: %llx\n", i, DVA_GET_GANG(dva) ? "TRUE" : "FALSE", |
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1732
diff
changeset
|
453 |
DVA_GET_GRID(dva), DVA_GET_ASIZE(dva)); |
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1732
diff
changeset
|
454 |
mdb_printf("DVA[%d]: :%llu:%llx:%llx:%s%s%s%s\n", i, |
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1732
diff
changeset
|
455 |
DVA_GET_VDEV(dva), DVA_GET_OFFSET(dva), BP_GET_PSIZE(&bp), |
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1732
diff
changeset
|
456 |
BP_SHOULD_BYTESWAP(&bp) ? "e" : "", |
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1732
diff
changeset
|
457 |
!DVA_GET_GANG(dva) && BP_GET_LEVEL(&bp) != 0 ? "i" : "", |
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1732
diff
changeset
|
458 |
DVA_GET_GANG(dva) ? "g" : "", |
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1732
diff
changeset
|
459 |
BP_GET_COMPRESS(&bp) != 0 ? "d" : ""); |
789 | 460 |
} |
461 |
mdb_printf("LSIZE: %-16llx\t\tPSIZE: %llx\n", |
|
462 |
BP_GET_LSIZE(&bp), BP_GET_PSIZE(&bp)); |
|
1775
e51e26b432c0
6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
billm
parents:
1732
diff
changeset
|
463 |
mdb_printf("ENDIAN: %6s\t\t\t\t\tTYPE: %s\n", |
789 | 464 |
BP_GET_BYTEORDER(&bp) ? "LITTLE" : "BIG", |
465 |
doti[BP_GET_TYPE(&bp)].ot_name); |
|
466 |
mdb_printf("BIRTH: %-16llx LEVEL: %-2d\tFILL: %llx\n", |
|
467 |
bp.blk_birth, BP_GET_LEVEL(&bp), bp.blk_fill); |
|
468 |
mdb_printf("CKFUNC: %-16s\t\tCOMP: %s\n", |
|
469 |
zci[BP_GET_CHECKSUM(&bp)].ci_name, |
|
470 |
zct[BP_GET_COMPRESS(&bp)].ci_name); |
|
471 |
mdb_printf("CKSUM: %llx:%llx:%llx:%llx\n", |
|
472 |
bp.blk_cksum.zc_word[0], |
|
473 |
bp.blk_cksum.zc_word[1], |
|
474 |
bp.blk_cksum.zc_word[2], |
|
475 |
bp.blk_cksum.zc_word[3]); |
|
476 |
||
477 |
return (DCMD_OK); |
|
478 |
} |
|
479 |
||
480 |
/* ARGSUSED */ |
|
481 |
static int |
|
482 |
dbuf(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) |
|
483 |
{ |
|
484 |
mdb_ctf_id_t id; |
|
485 |
dmu_buf_t db; |
|
486 |
uintptr_t objset; |
|
487 |
uint8_t level; |
|
488 |
uint64_t blkid; |
|
489 |
uint64_t holds; |
|
490 |
char objectname[32]; |
|
491 |
char blkidname[32]; |
|
492 |
char path[MAXNAMELEN]; |
|
493 |
||
494 |
if (DCMD_HDRSPEC(flags)) { |
|
495 |
mdb_printf(" addr object lvl blkid holds os\n"); |
|
496 |
} |
|
497 |
||
498 |
if (mdb_ctf_lookup_by_name("struct dmu_buf_impl", &id) == -1) { |
|
499 |
mdb_warn("couldn't find struct dmu_buf_impl_t"); |
|
500 |
return (DCMD_ERR); |
|
501 |
} |
|
502 |
||
503 |
if (GETMEMBID(addr, &id, db_objset, objset) || |
|
504 |
GETMEMBID(addr, &id, db, db) || |
|
505 |
GETMEMBID(addr, &id, db_level, level) || |
|
506 |
GETMEMBID(addr, &id, db_blkid, blkid)) { |
|
507 |
return (WALK_ERR); |
|
508 |
} |
|
509 |
||
510 |
if (getrefcount(addr, &id, "db_holds", &holds)) { |
|
511 |
return (WALK_ERR); |
|
512 |
} |
|
513 |
||
514 |
if (db.db_object == DMU_META_DNODE_OBJECT) |
|
515 |
(void) strcpy(objectname, "mdn"); |
|
516 |
else |
|
517 |
(void) mdb_snprintf(objectname, sizeof (objectname), "%llx", |
|
518 |
(u_longlong_t)db.db_object); |
|
519 |
||
520 |
if (blkid == DB_BONUS_BLKID) |
|
521 |
(void) strcpy(blkidname, "bonus"); |
|
522 |
else |
|
523 |
(void) mdb_snprintf(blkidname, sizeof (blkidname), "%llx", |
|
524 |
(u_longlong_t)blkid); |
|
525 |
||
526 |
if (objset_name(objset, path)) { |
|
527 |
return (WALK_ERR); |
|
528 |
} |
|
529 |
||
530 |
mdb_printf("%p %8s %1u %9s %2llu %s\n", |
|
531 |
addr, objectname, level, blkidname, holds, path); |
|
532 |
||
533 |
return (DCMD_OK); |
|
534 |
} |
|
535 |
||
536 |
/* ARGSUSED */ |
|
537 |
static int |
|
538 |
dbuf_stats(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) |
|
539 |
{ |
|
540 |
#define HISTOSZ 32 |
|
541 |
uintptr_t dbp; |
|
542 |
dmu_buf_impl_t db; |
|
543 |
dbuf_hash_table_t ht; |
|
544 |
uint64_t bucket, ndbufs; |
|
545 |
uint64_t histo[HISTOSZ]; |
|
546 |
uint64_t histo2[HISTOSZ]; |
|
547 |
int i, maxidx; |
|
548 |
||
549 |
if (mdb_readvar(&ht, "dbuf_hash_table") == -1) { |
|
550 |
mdb_warn("failed to read 'dbuf_hash_table'"); |
|
551 |
return (DCMD_ERR); |
|
552 |
} |
|
553 |
||
554 |
for (i = 0; i < HISTOSZ; i++) { |
|
555 |
histo[i] = 0; |
|
556 |
histo2[i] = 0; |
|
557 |
} |
|
558 |
||
559 |
ndbufs = 0; |
|
560 |
for (bucket = 0; bucket < ht.hash_table_mask+1; bucket++) { |
|
561 |
int len; |
|
562 |
||
563 |
if (mdb_vread(&dbp, sizeof (void *), |
|
564 |
(uintptr_t)(ht.hash_table+bucket)) == -1) { |
|
565 |
mdb_warn("failed to read hash bucket %u at %p", |
|
566 |
bucket, ht.hash_table+bucket); |
|
567 |
return (DCMD_ERR); |
|
568 |
} |
|
569 |
||
570 |
len = 0; |
|
571 |
while (dbp != 0) { |
|
572 |
if (mdb_vread(&db, sizeof (dmu_buf_impl_t), |
|
573 |
dbp) == -1) { |
|
574 |
mdb_warn("failed to read dbuf at %p", dbp); |
|
575 |
return (DCMD_ERR); |
|
576 |
} |
|
577 |
dbp = (uintptr_t)db.db_hash_next; |
|
578 |
for (i = MIN(len, HISTOSZ - 1); i >= 0; i--) |
|
579 |
histo2[i]++; |
|
580 |
len++; |
|
581 |
ndbufs++; |
|
582 |
} |
|
583 |
||
584 |
if (len >= HISTOSZ) |
|
585 |
len = HISTOSZ-1; |
|
586 |
histo[len]++; |
|
587 |
} |
|
588 |
||
589 |
mdb_printf("hash table has %llu buckets, %llu dbufs " |
|
590 |
"(avg %llu buckets/dbuf)\n", |
|
591 |
ht.hash_table_mask+1, ndbufs, |
|
592 |
(ht.hash_table_mask+1)/ndbufs); |
|
593 |
||
594 |
mdb_printf("\n"); |
|
595 |
maxidx = 0; |
|
596 |
for (i = 0; i < HISTOSZ; i++) |
|
597 |
if (histo[i] > 0) |
|
598 |
maxidx = i; |
|
599 |
mdb_printf("hash chain length number of buckets\n"); |
|
600 |
for (i = 0; i <= maxidx; i++) |
|
601 |
mdb_printf("%u %llu\n", i, histo[i]); |
|
602 |
||
603 |
mdb_printf("\n"); |
|
604 |
maxidx = 0; |
|
605 |
for (i = 0; i < HISTOSZ; i++) |
|
606 |
if (histo2[i] > 0) |
|
607 |
maxidx = i; |
|
608 |
mdb_printf("hash chain depth number of dbufs\n"); |
|
609 |
for (i = 0; i <= maxidx; i++) |
|
610 |
mdb_printf("%u or more %llu %llu%%\n", |
|
611 |
i, histo2[i], histo2[i]*100/ndbufs); |
|
612 |
||
613 |
||
614 |
return (DCMD_OK); |
|
615 |
} |
|
616 |
||
617 |
typedef struct dbufs_data { |
|
618 |
mdb_ctf_id_t id; |
|
619 |
uint64_t objset; |
|
620 |
uint64_t object; |
|
621 |
uint64_t level; |
|
622 |
uint64_t blkid; |
|
623 |
char *osname; |
|
624 |
} dbufs_data_t; |
|
625 |
||
626 |
#define DBUFS_UNSET (0xbaddcafedeadbeefULL) |
|
627 |
||
628 |
/* ARGSUSED */ |
|
629 |
static int |
|
630 |
dbufs_cb(uintptr_t addr, const void *unknown, void *arg) |
|
631 |
{ |
|
632 |
dbufs_data_t *data = arg; |
|
633 |
uintptr_t objset; |
|
634 |
dmu_buf_t db; |
|
635 |
uint8_t level; |
|
636 |
uint64_t blkid; |
|
637 |
char osname[MAXNAMELEN]; |
|
638 |
||
639 |
if (GETMEMBID(addr, &data->id, db_objset, objset) || |
|
640 |
GETMEMBID(addr, &data->id, db, db) || |
|
641 |
GETMEMBID(addr, &data->id, db_level, level) || |
|
642 |
GETMEMBID(addr, &data->id, db_blkid, blkid)) { |
|
643 |
return (WALK_ERR); |
|
644 |
} |
|
645 |
||
646 |
if ((data->objset == DBUFS_UNSET || data->objset == objset) && |
|
647 |
(data->osname == NULL || (objset_name(objset, osname) == 0 && |
|
4055 | 648 |
strcmp(data->osname, osname) == 0)) && |
789 | 649 |
(data->object == DBUFS_UNSET || data->object == db.db_object) && |
650 |
(data->level == DBUFS_UNSET || data->level == level) && |
|
651 |
(data->blkid == DBUFS_UNSET || data->blkid == blkid)) { |
|
652 |
mdb_printf("%#lr\n", addr); |
|
653 |
} |
|
654 |
return (WALK_NEXT); |
|
655 |
} |
|
656 |
||
657 |
/* ARGSUSED */ |
|
658 |
static int |
|
659 |
dbufs(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) |
|
660 |
{ |
|
661 |
dbufs_data_t data; |
|
662 |
char *object = NULL; |
|
663 |
char *blkid = NULL; |
|
664 |
||
665 |
data.objset = data.object = data.level = data.blkid = DBUFS_UNSET; |
|
666 |
data.osname = NULL; |
|
667 |
||
668 |
if (mdb_getopts(argc, argv, |
|
669 |
'O', MDB_OPT_UINT64, &data.objset, |
|
670 |
'n', MDB_OPT_STR, &data.osname, |
|
671 |
'o', MDB_OPT_STR, &object, |
|
672 |
'l', MDB_OPT_UINT64, &data.level, |
|
673 |
'b', MDB_OPT_STR, &blkid) != argc) { |
|
674 |
return (DCMD_USAGE); |
|
675 |
} |
|
676 |
||
677 |
if (object) { |
|
678 |
if (strcmp(object, "mdn") == 0) { |
|
679 |
data.object = DMU_META_DNODE_OBJECT; |
|
680 |
} else { |
|
681 |
data.object = mdb_strtoull(object); |
|
682 |
} |
|
683 |
} |
|
684 |
||
685 |
if (blkid) { |
|
686 |
if (strcmp(blkid, "bonus") == 0) { |
|
687 |
data.blkid = DB_BONUS_BLKID; |
|
688 |
} else { |
|
689 |
data.blkid = mdb_strtoull(blkid); |
|
690 |
} |
|
691 |
} |
|
692 |
||
693 |
if (mdb_ctf_lookup_by_name("struct dmu_buf_impl", &data.id) == -1) { |
|
694 |
mdb_warn("couldn't find struct dmu_buf_impl_t"); |
|
695 |
return (DCMD_ERR); |
|
696 |
} |
|
697 |
||
2459
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
698 |
if (mdb_walk("dmu_buf_impl_t", dbufs_cb, &data) != 0) { |
789 | 699 |
mdb_warn("can't walk dbufs"); |
700 |
return (DCMD_ERR); |
|
701 |
} |
|
702 |
||
703 |
return (DCMD_OK); |
|
704 |
} |
|
705 |
||
706 |
typedef struct abuf_find_data { |
|
707 |
dva_t dva; |
|
708 |
mdb_ctf_id_t id; |
|
709 |
} abuf_find_data_t; |
|
710 |
||
711 |
/* ARGSUSED */ |
|
712 |
static int |
|
713 |
abuf_find_cb(uintptr_t addr, const void *unknown, void *arg) |
|
714 |
{ |
|
715 |
abuf_find_data_t *data = arg; |
|
716 |
dva_t dva; |
|
717 |
||
718 |
if (GETMEMBID(addr, &data->id, b_dva, dva)) { |
|
719 |
return (WALK_ERR); |
|
720 |
} |
|
721 |
||
722 |
if (dva.dva_word[0] == data->dva.dva_word[0] && |
|
723 |
dva.dva_word[1] == data->dva.dva_word[1]) { |
|
724 |
mdb_printf("%#lr\n", addr); |
|
725 |
} |
|
726 |
return (WALK_NEXT); |
|
727 |
} |
|
728 |
||
729 |
/* ARGSUSED */ |
|
730 |
static int |
|
731 |
abuf_find(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) |
|
732 |
{ |
|
733 |
abuf_find_data_t data; |
|
734 |
GElf_Sym sym; |
|
735 |
int i; |
|
736 |
const char *syms[] = { |
|
2885 | 737 |
"ARC_mru", |
738 |
"ARC_mru_ghost", |
|
739 |
"ARC_mfu", |
|
740 |
"ARC_mfu_ghost", |
|
789 | 741 |
}; |
742 |
||
743 |
if (argc != 2) |
|
744 |
return (DCMD_USAGE); |
|
745 |
||
746 |
for (i = 0; i < 2; i ++) { |
|
747 |
switch (argv[i].a_type) { |
|
748 |
case MDB_TYPE_STRING: |
|
749 |
data.dva.dva_word[i] = mdb_strtoull(argv[i].a_un.a_str); |
|
750 |
break; |
|
751 |
case MDB_TYPE_IMMEDIATE: |
|
752 |
data.dva.dva_word[i] = argv[i].a_un.a_val; |
|
753 |
break; |
|
754 |
default: |
|
755 |
return (DCMD_USAGE); |
|
756 |
} |
|
757 |
} |
|
758 |
||
759 |
if (mdb_ctf_lookup_by_name("struct arc_buf_hdr", &data.id) == -1) { |
|
760 |
mdb_warn("couldn't find struct arc_buf_hdr"); |
|
761 |
return (DCMD_ERR); |
|
762 |
} |
|
763 |
||
764 |
for (i = 0; i < sizeof (syms) / sizeof (syms[0]); i++) { |
|
765 |
if (mdb_lookup_by_name(syms[i], &sym)) { |
|
766 |
mdb_warn("can't find symbol %s", syms[i]); |
|
767 |
return (DCMD_ERR); |
|
768 |
} |
|
769 |
||
770 |
if (mdb_pwalk("list", abuf_find_cb, &data, sym.st_value) != 0) { |
|
771 |
mdb_warn("can't walk %s", syms[i]); |
|
772 |
return (DCMD_ERR); |
|
773 |
} |
|
774 |
} |
|
775 |
||
776 |
return (DCMD_OK); |
|
777 |
} |
|
778 |
||
3403 | 779 |
/*ARGSUSED*/ |
780 |
static int |
|
781 |
arc_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) |
|
782 |
{ |
|
783 |
kstat_named_t *stats; |
|
784 |
GElf_Sym sym; |
|
4787 | 785 |
int nstats, i; |
3403 | 786 |
uint_t opt_a = FALSE; |
4787 | 787 |
uint_t opt_b = FALSE; |
788 |
uint_t shift = 0; |
|
789 |
const char *suffix; |
|
3403 | 790 |
|
4787 | 791 |
static const char *bytestats[] = { |
792 |
"p", "c", "c_min", "c_max", "size", NULL |
|
793 |
}; |
|
794 |
||
795 |
static const char *extras[] = { |
|
796 |
"arc_no_grow", "arc_tempreserve", |
|
797 |
"arc_meta_used", "arc_meta_limit", "arc_meta_max", |
|
798 |
NULL |
|
3403 | 799 |
}; |
800 |
||
801 |
if (mdb_lookup_by_name("arc_stats", &sym) == -1) { |
|
802 |
mdb_warn("failed to find 'arc_stats'"); |
|
803 |
return (DCMD_ERR); |
|
804 |
} |
|
805 |
||
806 |
stats = mdb_zalloc(sym.st_size, UM_SLEEP | UM_GC); |
|
807 |
||
808 |
if (mdb_vread(stats, sym.st_size, sym.st_value) == -1) { |
|
809 |
mdb_warn("couldn't read 'arc_stats' at %p", sym.st_value); |
|
810 |
return (DCMD_ERR); |
|
811 |
} |
|
812 |
||
813 |
nstats = sym.st_size / sizeof (kstat_named_t); |
|
814 |
||
4787 | 815 |
/* NB: -a / opt_a are ignored for backwards compatability */ |
816 |
if (mdb_getopts(argc, argv, |
|
817 |
'a', MDB_OPT_SETBITS, TRUE, &opt_a, |
|
818 |
'b', MDB_OPT_SETBITS, TRUE, &opt_b, |
|
819 |
'k', MDB_OPT_SETBITS, 10, &shift, |
|
820 |
'm', MDB_OPT_SETBITS, 20, &shift, |
|
821 |
'g', MDB_OPT_SETBITS, 30, &shift, |
|
822 |
NULL) != argc) |
|
3403 | 823 |
return (DCMD_USAGE); |
824 |
||
4787 | 825 |
if (!opt_b && !shift) |
826 |
shift = 20; |
|
3403 | 827 |
|
4787 | 828 |
switch (shift) { |
829 |
case 0: |
|
830 |
suffix = "B"; |
|
831 |
break; |
|
832 |
case 10: |
|
833 |
suffix = "KB"; |
|
834 |
break; |
|
835 |
case 20: |
|
836 |
suffix = "MB"; |
|
837 |
break; |
|
838 |
case 30: |
|
839 |
suffix = "GB"; |
|
840 |
break; |
|
841 |
default: |
|
842 |
suffix = "XX"; |
|
3403 | 843 |
} |
844 |
||
4787 | 845 |
for (i = 0; i < nstats; i++) { |
846 |
int j; |
|
847 |
boolean_t bytes = B_FALSE; |
|
3403 | 848 |
|
4787 | 849 |
for (j = 0; bytestats[j]; j++) { |
850 |
if (strcmp(stats[i].name, bytestats[j]) == 0) { |
|
851 |
bytes = B_TRUE; |
|
852 |
break; |
|
3403 | 853 |
} |
854 |
} |
|
855 |
||
4787 | 856 |
if (bytes) { |
857 |
mdb_printf("%-25s = %9llu %s\n", stats[i].name, |
|
858 |
stats[i].value.ui64 >> shift, suffix); |
|
859 |
} else { |
|
860 |
mdb_printf("%-25s = %9llu\n", stats[i].name, |
|
861 |
stats[i].value.ui64); |
|
3403 | 862 |
} |
863 |
} |
|
864 |
||
4787 | 865 |
for (i = 0; extras[i]; i++) { |
866 |
uint64_t buf; |
|
867 |
||
868 |
if (mdb_lookup_by_name(extras[i], &sym) == -1) { |
|
869 |
mdb_warn("failed to find '%s'", extras[i]); |
|
870 |
return (DCMD_ERR); |
|
871 |
} |
|
872 |
||
873 |
if (sym.st_size != sizeof (uint64_t) && |
|
874 |
sym.st_size != sizeof (uint32_t)) { |
|
875 |
mdb_warn("expected scalar for variable '%s'\n", |
|
876 |
extras[i]); |
|
877 |
return (DCMD_ERR); |
|
878 |
} |
|
3403 | 879 |
|
4787 | 880 |
if (mdb_vread(&buf, sym.st_size, sym.st_value) == -1) { |
881 |
mdb_warn("couldn't read '%s'", extras[i]); |
|
882 |
return (DCMD_ERR); |
|
883 |
} |
|
884 |
||
885 |
mdb_printf("%-25s = ", extras[i]); |
|
886 |
||
887 |
/* NB: all the 64-bit extras happen to be byte counts */ |
|
888 |
if (sym.st_size == sizeof (uint64_t)) |
|
889 |
mdb_printf("%9llu %s\n", buf >> shift, suffix); |
|
890 |
||
891 |
if (sym.st_size == sizeof (uint32_t)) |
|
892 |
mdb_printf("%9d\n", *((uint32_t *)&buf)); |
|
893 |
} |
|
3403 | 894 |
return (DCMD_OK); |
895 |
} |
|
896 |
||
789 | 897 |
/* |
898 |
* ::spa |
|
899 |
* |
|
900 |
* -c Print configuration information as well |
|
901 |
* -v Print vdev state |
|
902 |
* -e Print vdev error stats |
|
903 |
* |
|
904 |
* Print a summarized spa_t. When given no arguments, prints out a table of all |
|
905 |
* active pools on the system. |
|
906 |
*/ |
|
907 |
/* ARGSUSED */ |
|
908 |
static int |
|
909 |
spa_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) |
|
910 |
{ |
|
911 |
spa_t spa; |
|
912 |
char poolname[MAXNAMELEN]; |
|
913 |
const char *statetab[] = { "ACTIVE", "EXPORTED", "DESTROYED", |
|
5329 | 914 |
"SPARE", "UNINIT", "IOFAILURE", "UNAVAIL" }; |
789 | 915 |
const char *state; |
916 |
int config = FALSE; |
|
917 |
int vdevs = FALSE; |
|
918 |
int errors = FALSE; |
|
919 |
||
920 |
if (mdb_getopts(argc, argv, |
|
921 |
'c', MDB_OPT_SETBITS, TRUE, &config, |
|
922 |
'v', MDB_OPT_SETBITS, TRUE, &vdevs, |
|
923 |
'e', MDB_OPT_SETBITS, TRUE, &errors, |
|
924 |
NULL) != argc) |
|
925 |
return (DCMD_USAGE); |
|
926 |
||
927 |
if (!(flags & DCMD_ADDRSPEC)) { |
|
928 |
if (mdb_walk_dcmd("spa", "spa", argc, argv) == -1) { |
|
929 |
mdb_warn("can't walk spa"); |
|
930 |
return (DCMD_ERR); |
|
931 |
} |
|
932 |
||
933 |
return (DCMD_OK); |
|
934 |
} |
|
935 |
||
936 |
if (flags & DCMD_PIPE_OUT) { |
|
937 |
mdb_printf("%#lr\n", addr); |
|
938 |
return (DCMD_OK); |
|
939 |
} |
|
940 |
||
941 |
if (DCMD_HDRSPEC(flags)) |
|
942 |
mdb_printf("%<u>%-?s %9s %-*s%</u>\n", "ADDR", "STATE", |
|
943 |
sizeof (uintptr_t) == 4 ? 60 : 52, "NAME"); |
|
944 |
||
945 |
if (mdb_vread(&spa, sizeof (spa), addr) == -1) { |
|
946 |
mdb_warn("failed to read spa_t at %p", addr); |
|
947 |
return (DCMD_ERR); |
|
948 |
} |
|
949 |
||
950 |
if (mdb_readstr(poolname, sizeof (poolname), (uintptr_t)spa.spa_name) |
|
951 |
== -1) { |
|
952 |
mdb_warn("failed to read pool name at %p", spa.spa_name); |
|
953 |
return (DCMD_ERR); |
|
954 |
} |
|
955 |
||
956 |
if (spa.spa_state < 0 || spa.spa_state > POOL_STATE_UNAVAIL) |
|
1544 | 957 |
state = "UNKNOWN"; |
789 | 958 |
else |
959 |
state = statetab[spa.spa_state]; |
|
960 |
||
961 |
mdb_printf("%0?p %9s %s\n", addr, state, poolname); |
|
962 |
||
963 |
if (config) { |
|
964 |
mdb_printf("\n"); |
|
965 |
mdb_inc_indent(4); |
|
966 |
if (mdb_call_dcmd("spa_config", addr, flags, 0, |
|
967 |
NULL) != DCMD_OK) |
|
968 |
return (DCMD_ERR); |
|
969 |
mdb_dec_indent(4); |
|
970 |
} |
|
971 |
||
972 |
if (vdevs || errors) { |
|
973 |
mdb_arg_t v; |
|
974 |
||
975 |
v.a_type = MDB_TYPE_STRING; |
|
976 |
v.a_un.a_str = "-e"; |
|
977 |
||
978 |
mdb_printf("\n"); |
|
979 |
mdb_inc_indent(4); |
|
980 |
if (mdb_call_dcmd("spa_vdevs", addr, flags, errors ? 1 : 0, |
|
981 |
&v) != DCMD_OK) |
|
982 |
return (DCMD_ERR); |
|
983 |
mdb_dec_indent(4); |
|
984 |
} |
|
985 |
||
986 |
return (DCMD_OK); |
|
987 |
} |
|
988 |
||
989 |
/* |
|
990 |
* ::spa_config |
|
991 |
* |
|
992 |
* Given a spa_t, print the configuration information stored in spa_config. |
|
993 |
* Since it's just an nvlist, format it as an indented list of name=value pairs. |
|
994 |
* We simply read the value of spa_config and pass off to ::nvlist. |
|
995 |
*/ |
|
996 |
/* ARGSUSED */ |
|
997 |
static int |
|
998 |
spa_print_config(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) |
|
999 |
{ |
|
1000 |
spa_t spa; |
|
1001 |
||
1002 |
if (argc != 0 || !(flags & DCMD_ADDRSPEC)) |
|
1003 |
return (DCMD_USAGE); |
|
1004 |
||
1005 |
if (mdb_vread(&spa, sizeof (spa), addr) == -1) { |
|
1006 |
mdb_warn("failed to read spa_t at %p", addr); |
|
1007 |
return (DCMD_ERR); |
|
1008 |
} |
|
1009 |
||
1010 |
if (spa.spa_config == NULL) { |
|
1011 |
mdb_printf("(none)\n"); |
|
1012 |
return (DCMD_OK); |
|
1013 |
} |
|
1014 |
||
1015 |
return (mdb_call_dcmd("nvlist", (uintptr_t)spa.spa_config, flags, |
|
1016 |
0, NULL)); |
|
1017 |
} |
|
1018 |
||
1019 |
/* |
|
1020 |
* ::vdev |
|
1021 |
* |
|
1022 |
* Print out a summarized vdev_t, in the following form: |
|
1023 |
* |
|
1024 |
* ADDR STATE AUX DESC |
|
1025 |
* fffffffbcde23df0 HEALTHY - /dev/dsk/c0t0d0 |
|
1026 |
* |
|
1027 |
* If '-r' is specified, recursively visit all children. |
|
1028 |
* |
|
1029 |
* With '-e', the statistics associated with the vdev are printed as well. |
|
1030 |
*/ |
|
1031 |
static int |
|
3059 | 1032 |
do_print_vdev(uintptr_t addr, int flags, int depth, int stats, |
789 | 1033 |
int recursive) |
1034 |
{ |
|
1035 |
vdev_t vdev; |
|
1036 |
char desc[MAXNAMELEN]; |
|
1037 |
int c, children; |
|
1038 |
uintptr_t *child; |
|
1039 |
const char *state, *aux; |
|
1040 |
||
1041 |
if (mdb_vread(&vdev, sizeof (vdev), (uintptr_t)addr) == -1) { |
|
1042 |
mdb_warn("failed to read vdev_t at %p\n", (uintptr_t)addr); |
|
1043 |
return (DCMD_ERR); |
|
1044 |
} |
|
1045 |
||
1046 |
if (flags & DCMD_PIPE_OUT) { |
|
1047 |
mdb_printf("%#lr", addr); |
|
1048 |
} else { |
|
1049 |
if (vdev.vdev_path != NULL) { |
|
1050 |
if (mdb_readstr(desc, sizeof (desc), |
|
1051 |
(uintptr_t)vdev.vdev_path) == -1) { |
|
1052 |
mdb_warn("failed to read vdev_path at %p\n", |
|
1053 |
vdev.vdev_path); |
|
1054 |
return (DCMD_ERR); |
|
1055 |
} |
|
1056 |
} else if (vdev.vdev_ops != NULL) { |
|
1057 |
vdev_ops_t ops; |
|
1058 |
if (mdb_vread(&ops, sizeof (ops), |
|
1059 |
(uintptr_t)vdev.vdev_ops) == -1) { |
|
1060 |
mdb_warn("failed to read vdev_ops at %p\n", |
|
1061 |
vdev.vdev_ops); |
|
1062 |
return (DCMD_ERR); |
|
1063 |
} |
|
1064 |
(void) strcpy(desc, ops.vdev_op_type); |
|
1065 |
} else { |
|
1066 |
(void) strcpy(desc, "<unknown>"); |
|
1067 |
} |
|
1068 |
||
1069 |
if (depth == 0 && DCMD_HDRSPEC(flags)) |
|
1070 |
mdb_printf("%<u>%-?s %-9s %-12s %-*s%</u>\n", |
|
1071 |
"ADDR", "STATE", "AUX", |
|
1072 |
sizeof (uintptr_t) == 4 ? 43 : 35, |
|
1073 |
"DESCRIPTION"); |
|
1074 |
||
1075 |
mdb_printf("%0?p ", addr); |
|
1076 |
||
1077 |
switch (vdev.vdev_state) { |
|
1078 |
case VDEV_STATE_CLOSED: |
|
4055 | 1079 |
state = "CLOSED"; |
1080 |
break; |
|
789 | 1081 |
case VDEV_STATE_OFFLINE: |
4055 | 1082 |
state = "OFFLINE"; |
1083 |
break; |
|
789 | 1084 |
case VDEV_STATE_CANT_OPEN: |
4055 | 1085 |
state = "CANT_OPEN"; |
1086 |
break; |
|
789 | 1087 |
case VDEV_STATE_DEGRADED: |
4055 | 1088 |
state = "DEGRADED"; |
1089 |
break; |
|
789 | 1090 |
case VDEV_STATE_HEALTHY: |
4055 | 1091 |
state = "HEALTHY"; |
1092 |
break; |
|
4451 | 1093 |
case VDEV_STATE_REMOVED: |
1094 |
state = "REMOVED"; |
|
1095 |
break; |
|
1096 |
case VDEV_STATE_FAULTED: |
|
1097 |
state = "FAULTED"; |
|
1098 |
break; |
|
789 | 1099 |
default: |
4055 | 1100 |
state = "UNKNOWN"; |
1101 |
break; |
|
789 | 1102 |
} |
1103 |
||
1104 |
switch (vdev.vdev_stat.vs_aux) { |
|
1105 |
case VDEV_AUX_NONE: |
|
1106 |
aux = "-"; |
|
1107 |
break; |
|
1108 |
case VDEV_AUX_OPEN_FAILED: |
|
1109 |
aux = "OPEN_FAILED"; |
|
1110 |
break; |
|
1111 |
case VDEV_AUX_CORRUPT_DATA: |
|
1112 |
aux = "CORRUPT_DATA"; |
|
1113 |
break; |
|
1114 |
case VDEV_AUX_NO_REPLICAS: |
|
1115 |
aux = "NO_REPLICAS"; |
|
1116 |
break; |
|
1117 |
case VDEV_AUX_BAD_GUID_SUM: |
|
1118 |
aux = "BAD_GUID_SUM"; |
|
1119 |
break; |
|
1120 |
case VDEV_AUX_TOO_SMALL: |
|
1121 |
aux = "TOO_SMALL"; |
|
1122 |
break; |
|
1123 |
case VDEV_AUX_BAD_LABEL: |
|
1124 |
aux = "BAD_LABEL"; |
|
1125 |
break; |
|
7294 | 1126 |
case VDEV_AUX_VERSION_NEWER: |
1127 |
aux = "VERS_NEWER"; |
|
1128 |
break; |
|
1129 |
case VDEV_AUX_VERSION_OLDER: |
|
1130 |
aux = "VERS_OLDER"; |
|
1131 |
break; |
|
1132 |
case VDEV_AUX_SPARED: |
|
1133 |
aux = "SPARED"; |
|
1134 |
break; |
|
1135 |
case VDEV_AUX_ERR_EXCEEDED: |
|
1136 |
aux = "ERR_EXCEEDED"; |
|
1137 |
break; |
|
1138 |
case VDEV_AUX_IO_FAILURE: |
|
1139 |
aux = "IO_FAILURE"; |
|
1140 |
break; |
|
1141 |
case VDEV_AUX_BAD_LOG: |
|
1142 |
aux = "BAD_LOG"; |
|
1143 |
break; |
|
789 | 1144 |
default: |
1145 |
aux = "UNKNOWN"; |
|
1146 |
break; |
|
1147 |
} |
|
1148 |
||
1149 |
mdb_printf("%-9s %-12s %*s%s\n", state, aux, depth, "", desc); |
|
1150 |
||
1151 |
if (stats) { |
|
1152 |
vdev_stat_t *vs = &vdev.vdev_stat; |
|
1153 |
int i; |
|
1154 |
||
1155 |
mdb_inc_indent(4); |
|
1156 |
mdb_printf("\n"); |
|
1157 |
mdb_printf("%<u> %12s %12s %12s %12s " |
|
1158 |
"%12s%</u>\n", "READ", "WRITE", "FREE", "CLAIM", |
|
1159 |
"IOCTL"); |
|
1160 |
mdb_printf("OPS "); |
|
1161 |
for (i = 1; i < ZIO_TYPES; i++) |
|
1162 |
mdb_printf("%11#llx%s", vs->vs_ops[i], |
|
1163 |
i == ZIO_TYPES - 1 ? "" : " "); |
|
1164 |
mdb_printf("\n"); |
|
1165 |
mdb_printf("BYTES "); |
|
1166 |
for (i = 1; i < ZIO_TYPES; i++) |
|
1167 |
mdb_printf("%11#llx%s", vs->vs_bytes[i], |
|
1168 |
i == ZIO_TYPES - 1 ? "" : " "); |
|
1169 |
||
1170 |
||
1171 |
mdb_printf("\n"); |
|
1172 |
mdb_printf("EREAD %10#llx\n", vs->vs_read_errors); |
|
1173 |
mdb_printf("EWRITE %10#llx\n", vs->vs_write_errors); |
|
1174 |
mdb_printf("ECKSUM %10#llx\n", |
|
1175 |
vs->vs_checksum_errors); |
|
1176 |
mdb_dec_indent(4); |
|
1177 |
} |
|
1178 |
||
3059 | 1179 |
if (stats) |
789 | 1180 |
mdb_printf("\n"); |
1181 |
} |
|
1182 |
||
1183 |
children = vdev.vdev_children; |
|
1184 |
||
1185 |
if (children == 0 || !recursive) |
|
1186 |
return (DCMD_OK); |
|
1187 |
||
1188 |
child = mdb_alloc(children * sizeof (void *), UM_SLEEP | UM_GC); |
|
1189 |
if (mdb_vread(child, children * sizeof (void *), |
|
1190 |
(uintptr_t)vdev.vdev_child) == -1) { |
|
1191 |
mdb_warn("failed to read vdev children at %p", vdev.vdev_child); |
|
1192 |
return (DCMD_ERR); |
|
1193 |
} |
|
1194 |
||
1195 |
for (c = 0; c < children; c++) { |
|
3059 | 1196 |
if (do_print_vdev(child[c], flags, depth + 2, stats, |
789 | 1197 |
recursive)) |
1198 |
return (DCMD_ERR); |
|
1199 |
} |
|
1200 |
||
1201 |
return (DCMD_OK); |
|
1202 |
} |
|
1203 |
||
1204 |
static int |
|
1205 |
vdev_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) |
|
1206 |
{ |
|
1207 |
int recursive = FALSE; |
|
1208 |
int stats = FALSE; |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6245
diff
changeset
|
1209 |
uint64_t depth = 0; |
789 | 1210 |
|
1211 |
if (mdb_getopts(argc, argv, |
|
1212 |
'r', MDB_OPT_SETBITS, TRUE, &recursive, |
|
1213 |
'e', MDB_OPT_SETBITS, TRUE, &stats, |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6245
diff
changeset
|
1214 |
'd', MDB_OPT_UINT64, &depth, |
789 | 1215 |
NULL) != argc) |
1216 |
return (DCMD_USAGE); |
|
1217 |
||
1218 |
if (!(flags & DCMD_ADDRSPEC)) { |
|
1219 |
mdb_warn("no vdev_t address given\n"); |
|
1220 |
return (DCMD_ERR); |
|
1221 |
} |
|
1222 |
||
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6245
diff
changeset
|
1223 |
return (do_print_vdev(addr, flags, (int)depth, stats, recursive)); |
789 | 1224 |
} |
1225 |
||
2459
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1226 |
typedef struct metaslab_walk_data { |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1227 |
uint64_t mw_numvdevs; |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1228 |
uintptr_t *mw_vdevs; |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1229 |
int mw_curvdev; |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1230 |
uint64_t mw_nummss; |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1231 |
uintptr_t *mw_mss; |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1232 |
int mw_curms; |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1233 |
} metaslab_walk_data_t; |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1234 |
|
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1235 |
static int |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1236 |
metaslab_walk_step(mdb_walk_state_t *wsp) |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1237 |
{ |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1238 |
metaslab_walk_data_t *mw = wsp->walk_data; |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1239 |
metaslab_t ms; |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1240 |
uintptr_t msp; |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1241 |
|
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1242 |
if (mw->mw_curvdev >= mw->mw_numvdevs) |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1243 |
return (WALK_DONE); |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1244 |
|
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1245 |
if (mw->mw_mss == NULL) { |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1246 |
uintptr_t mssp; |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1247 |
uintptr_t vdevp; |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1248 |
|
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1249 |
ASSERT(mw->mw_curms == 0); |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1250 |
ASSERT(mw->mw_nummss == 0); |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1251 |
|
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1252 |
vdevp = mw->mw_vdevs[mw->mw_curvdev]; |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1253 |
if (GETMEMB(vdevp, struct vdev, vdev_ms, mssp) || |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1254 |
GETMEMB(vdevp, struct vdev, vdev_ms_count, mw->mw_nummss)) { |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1255 |
return (WALK_ERR); |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1256 |
} |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1257 |
|
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1258 |
mw->mw_mss = mdb_alloc(mw->mw_nummss * sizeof (void*), |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1259 |
UM_SLEEP | UM_GC); |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1260 |
if (mdb_vread(mw->mw_mss, mw->mw_nummss * sizeof (void*), |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1261 |
mssp) == -1) { |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1262 |
mdb_warn("failed to read vdev_ms at %p", mssp); |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1263 |
return (WALK_ERR); |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1264 |
} |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1265 |
} |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1266 |
|
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1267 |
if (mw->mw_curms >= mw->mw_nummss) { |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1268 |
mw->mw_mss = NULL; |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1269 |
mw->mw_curms = 0; |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1270 |
mw->mw_nummss = 0; |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1271 |
mw->mw_curvdev++; |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1272 |
return (WALK_NEXT); |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1273 |
} |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1274 |
|
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1275 |
msp = mw->mw_mss[mw->mw_curms]; |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1276 |
if (mdb_vread(&ms, sizeof (metaslab_t), msp) == -1) { |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1277 |
mdb_warn("failed to read metaslab_t at %p", msp); |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1278 |
return (WALK_ERR); |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1279 |
} |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1280 |
|
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1281 |
mw->mw_curms++; |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1282 |
|
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1283 |
return (wsp->walk_callback(msp, &ms, wsp->walk_cbdata)); |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1284 |
} |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1285 |
|
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1286 |
/* ARGSUSED */ |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1287 |
static int |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1288 |
metaslab_walk_init(mdb_walk_state_t *wsp) |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1289 |
{ |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1290 |
metaslab_walk_data_t *mw; |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1291 |
uintptr_t root_vdevp; |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1292 |
uintptr_t childp; |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1293 |
|
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1294 |
if (wsp->walk_addr == NULL) { |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1295 |
mdb_warn("must supply address of spa_t\n"); |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1296 |
return (WALK_ERR); |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1297 |
} |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1298 |
|
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1299 |
mw = mdb_zalloc(sizeof (metaslab_walk_data_t), UM_SLEEP | UM_GC); |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1300 |
|
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1301 |
if (GETMEMB(wsp->walk_addr, struct spa, spa_root_vdev, root_vdevp) || |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1302 |
GETMEMB(root_vdevp, struct vdev, vdev_children, mw->mw_numvdevs) || |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1303 |
GETMEMB(root_vdevp, struct vdev, vdev_child, childp)) { |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1304 |
return (DCMD_ERR); |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1305 |
} |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1306 |
|
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1307 |
mw->mw_vdevs = mdb_alloc(mw->mw_numvdevs * sizeof (void *), |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1308 |
UM_SLEEP | UM_GC); |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1309 |
if (mdb_vread(mw->mw_vdevs, mw->mw_numvdevs * sizeof (void *), |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1310 |
childp) == -1) { |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1311 |
mdb_warn("failed to read root vdev children at %p", childp); |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1312 |
return (DCMD_ERR); |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1313 |
} |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1314 |
|
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1315 |
wsp->walk_data = mw; |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1316 |
|
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1317 |
return (WALK_NEXT); |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1318 |
} |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1319 |
|
789 | 1320 |
typedef struct mdb_spa { |
1321 |
uintptr_t spa_dsl_pool; |
|
1322 |
uintptr_t spa_root_vdev; |
|
1323 |
} mdb_spa_t; |
|
1324 |
||
1325 |
typedef struct mdb_dsl_dir { |
|
1326 |
uintptr_t dd_phys; |
|
1327 |
uint64_t dd_used_bytes; |
|
1328 |
int64_t dd_space_towrite[TXG_SIZE]; |
|
1329 |
} mdb_dsl_dir_t; |
|
1330 |
||
1331 |
typedef struct mdb_dsl_dir_phys { |
|
1332 |
uint64_t dd_used_bytes; |
|
1333 |
uint64_t dd_compressed_bytes; |
|
1334 |
uint64_t dd_uncompressed_bytes; |
|
1335 |
} mdb_dsl_dir_phys_t; |
|
1336 |
||
1337 |
typedef struct mdb_vdev { |
|
1338 |
uintptr_t vdev_parent; |
|
1339 |
uintptr_t vdev_ms; |
|
1340 |
uint64_t vdev_ms_count; |
|
1341 |
vdev_stat_t vdev_stat; |
|
1342 |
} mdb_vdev_t; |
|
1343 |
||
1344 |
typedef struct mdb_metaslab { |
|
1345 |
space_map_t ms_allocmap[TXG_SIZE]; |
|
1346 |
space_map_t ms_freemap[TXG_SIZE]; |
|
1347 |
space_map_t ms_map; |
|
1732 | 1348 |
space_map_obj_t ms_smo; |
2459
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1349 |
space_map_obj_t ms_smo_syncing; |
789 | 1350 |
} mdb_metaslab_t; |
1351 |
||
2459
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1352 |
typedef struct space_data { |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1353 |
uint64_t ms_allocmap[TXG_SIZE]; |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1354 |
uint64_t ms_freemap[TXG_SIZE]; |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1355 |
uint64_t ms_map; |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1356 |
uint64_t avail; |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1357 |
uint64_t nowavail; |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1358 |
} space_data_t; |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1359 |
|
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1360 |
/* ARGSUSED */ |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1361 |
static int |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1362 |
space_cb(uintptr_t addr, const void *unknown, void *arg) |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1363 |
{ |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1364 |
space_data_t *sd = arg; |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1365 |
mdb_metaslab_t ms; |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1366 |
|
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1367 |
if (GETMEMB(addr, struct metaslab, ms_allocmap, ms.ms_allocmap) || |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1368 |
GETMEMB(addr, struct metaslab, ms_freemap, ms.ms_freemap) || |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1369 |
GETMEMB(addr, struct metaslab, ms_map, ms.ms_map) || |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1370 |
GETMEMB(addr, struct metaslab, ms_smo, ms.ms_smo) || |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1371 |
GETMEMB(addr, struct metaslab, ms_smo_syncing, ms.ms_smo_syncing)) { |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1372 |
return (WALK_ERR); |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1373 |
} |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1374 |
|
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1375 |
sd->ms_allocmap[0] += ms.ms_allocmap[0].sm_space; |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1376 |
sd->ms_allocmap[1] += ms.ms_allocmap[1].sm_space; |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1377 |
sd->ms_allocmap[2] += ms.ms_allocmap[2].sm_space; |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1378 |
sd->ms_allocmap[3] += ms.ms_allocmap[3].sm_space; |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1379 |
sd->ms_freemap[0] += ms.ms_freemap[0].sm_space; |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1380 |
sd->ms_freemap[1] += ms.ms_freemap[1].sm_space; |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1381 |
sd->ms_freemap[2] += ms.ms_freemap[2].sm_space; |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1382 |
sd->ms_freemap[3] += ms.ms_freemap[3].sm_space; |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1383 |
sd->ms_map += ms.ms_map.sm_space; |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1384 |
sd->avail += ms.ms_map.sm_size - ms.ms_smo.smo_alloc; |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1385 |
sd->nowavail += ms.ms_map.sm_size - ms.ms_smo_syncing.smo_alloc; |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1386 |
|
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1387 |
return (WALK_NEXT); |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1388 |
} |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1389 |
|
789 | 1390 |
/* |
1391 |
* ::spa_space [-b] |
|
1392 |
* |
|
1393 |
* Given a spa_t, print out it's on-disk space usage and in-core |
|
1394 |
* estimates of future usage. If -b is given, print space in bytes. |
|
1395 |
* Otherwise print in megabytes. |
|
1396 |
*/ |
|
1397 |
/* ARGSUSED */ |
|
1398 |
static int |
|
1399 |
spa_space(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) |
|
1400 |
{ |
|
1401 |
mdb_spa_t spa; |
|
1402 |
uintptr_t dp_root_dir; |
|
1403 |
mdb_dsl_dir_t dd; |
|
1404 |
mdb_dsl_dir_phys_t dsp; |
|
1405 |
uint64_t children; |
|
1406 |
uintptr_t childaddr; |
|
2459
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1407 |
space_data_t sd; |
789 | 1408 |
int shift = 20; |
1409 |
char *suffix = "M"; |
|
1410 |
int bits = FALSE; |
|
1411 |
||
1412 |
if (mdb_getopts(argc, argv, 'b', MDB_OPT_SETBITS, TRUE, &bits, NULL) != |
|
1413 |
argc) |
|
1414 |
return (DCMD_USAGE); |
|
1415 |
if (!(flags & DCMD_ADDRSPEC)) |
|
1416 |
return (DCMD_USAGE); |
|
1417 |
||
1418 |
if (bits) { |
|
1419 |
shift = 0; |
|
1420 |
suffix = ""; |
|
1421 |
} |
|
1422 |
||
1423 |
if (GETMEMB(addr, struct spa, spa_dsl_pool, spa.spa_dsl_pool) || |
|
1424 |
GETMEMB(addr, struct spa, spa_root_vdev, spa.spa_root_vdev) || |
|
1425 |
GETMEMB(spa.spa_root_vdev, struct vdev, vdev_children, children) || |
|
1426 |
GETMEMB(spa.spa_root_vdev, struct vdev, vdev_child, childaddr) || |
|
1427 |
GETMEMB(spa.spa_dsl_pool, struct dsl_pool, |
|
1428 |
dp_root_dir, dp_root_dir) || |
|
1429 |
GETMEMB(dp_root_dir, struct dsl_dir, dd_phys, dd.dd_phys) || |
|
1430 |
GETMEMB(dp_root_dir, struct dsl_dir, |
|
1431 |
dd_used_bytes, dd.dd_used_bytes) || |
|
1432 |
GETMEMB(dp_root_dir, struct dsl_dir, |
|
1433 |
dd_space_towrite, dd.dd_space_towrite) || |
|
1434 |
GETMEMB(dd.dd_phys, struct dsl_dir_phys, |
|
2459
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1435 |
dd_used_bytes, dsp.dd_used_bytes) || |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1436 |
GETMEMB(dd.dd_phys, struct dsl_dir_phys, |
789 | 1437 |
dd_compressed_bytes, dsp.dd_compressed_bytes) || |
1438 |
GETMEMB(dd.dd_phys, struct dsl_dir_phys, |
|
1439 |
dd_uncompressed_bytes, dsp.dd_uncompressed_bytes)) { |
|
1440 |
return (DCMD_ERR); |
|
1441 |
} |
|
1442 |
||
1443 |
mdb_printf("dd_space_towrite = %llu%s %llu%s %llu%s %llu%s\n", |
|
1444 |
dd.dd_space_towrite[0] >> shift, suffix, |
|
1445 |
dd.dd_space_towrite[1] >> shift, suffix, |
|
1446 |
dd.dd_space_towrite[2] >> shift, suffix, |
|
1447 |
dd.dd_space_towrite[3] >> shift, suffix); |
|
1448 |
mdb_printf("dd_used_bytes = %llu%s\n", |
|
1449 |
dd.dd_used_bytes >> shift, suffix); |
|
1450 |
||
1451 |
mdb_printf("dd_phys.dd_used_bytes = %llu%s\n", |
|
1452 |
dsp.dd_used_bytes >> shift, suffix); |
|
2459
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1453 |
mdb_printf("dd_phys.dd_compressed_bytes = %llu%s\n", |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1454 |
dsp.dd_compressed_bytes >> shift, suffix); |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1455 |
mdb_printf("dd_phys.dd_uncompressed_bytes = %llu%s\n", |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1456 |
dsp.dd_uncompressed_bytes >> shift, suffix); |
789 | 1457 |
|
2459
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1458 |
bzero(&sd, sizeof (sd)); |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1459 |
if (mdb_pwalk("metaslab", space_cb, &sd, addr) != 0) { |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1460 |
mdb_warn("can't walk metaslabs"); |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1461 |
return (DCMD_ERR); |
789 | 1462 |
} |
1463 |
||
1464 |
mdb_printf("ms_allocmap = %llu%s %llu%s %llu%s %llu%s\n", |
|
2459
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1465 |
sd.ms_allocmap[0] >> shift, suffix, |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1466 |
sd.ms_allocmap[1] >> shift, suffix, |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1467 |
sd.ms_allocmap[2] >> shift, suffix, |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1468 |
sd.ms_allocmap[3] >> shift, suffix); |
789 | 1469 |
mdb_printf("ms_freemap = %llu%s %llu%s %llu%s %llu%s\n", |
2459
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1470 |
sd.ms_freemap[0] >> shift, suffix, |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1471 |
sd.ms_freemap[1] >> shift, suffix, |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1472 |
sd.ms_freemap[2] >> shift, suffix, |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1473 |
sd.ms_freemap[3] >> shift, suffix); |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1474 |
mdb_printf("ms_map = %llu%s\n", sd.ms_map >> shift, suffix); |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1475 |
mdb_printf("last synced avail = %llu%s\n", sd.avail >> shift, suffix); |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1476 |
mdb_printf("current syncing avail = %llu%s\n", |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1477 |
sd.nowavail >> shift, suffix); |
789 | 1478 |
|
1479 |
return (DCMD_OK); |
|
1480 |
} |
|
1481 |
||
1482 |
/* |
|
1483 |
* ::spa_verify |
|
1484 |
* |
|
1485 |
* Given a spa_t, verify that that the pool is self-consistent. |
|
1486 |
* Currently, it only checks to make sure that the vdev tree exists. |
|
1487 |
*/ |
|
1488 |
/* ARGSUSED */ |
|
1489 |
static int |
|
1490 |
spa_verify(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) |
|
1491 |
{ |
|
1492 |
spa_t spa; |
|
1493 |
||
1494 |
if (argc != 0 || !(flags & DCMD_ADDRSPEC)) |
|
1495 |
return (DCMD_USAGE); |
|
1496 |
||
1497 |
if (mdb_vread(&spa, sizeof (spa), addr) == -1) { |
|
1498 |
mdb_warn("failed to read spa_t at %p", addr); |
|
1499 |
return (DCMD_ERR); |
|
1500 |
} |
|
1501 |
||
1502 |
if (spa.spa_root_vdev == NULL) { |
|
1503 |
mdb_printf("no vdev tree present\n"); |
|
1504 |
return (DCMD_OK); |
|
1505 |
} |
|
1506 |
||
1507 |
return (DCMD_OK); |
|
1508 |
} |
|
1509 |
||
1510 |
/* |
|
1511 |
* ::spa_vdevs |
|
1512 |
* |
|
1513 |
* -e Include error stats |
|
1514 |
* |
|
1515 |
* Print out a summarized list of vdevs for the given spa_t. |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6245
diff
changeset
|
1516 |
* This is accomplished by invoking "::vdev -re" on the root vdev, as well as |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6245
diff
changeset
|
1517 |
* iterating over the cache devices. |
789 | 1518 |
*/ |
1519 |
/* ARGSUSED */ |
|
1520 |
static int |
|
1521 |
spa_vdevs(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) |
|
1522 |
{ |
|
1523 |
spa_t spa; |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6245
diff
changeset
|
1524 |
mdb_arg_t v[3]; |
789 | 1525 |
int errors = FALSE; |
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6245
diff
changeset
|
1526 |
int ret, i; |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6245
diff
changeset
|
1527 |
uintptr_t *aux; |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6245
diff
changeset
|
1528 |
size_t len; |
789 | 1529 |
|
1530 |
if (mdb_getopts(argc, argv, |
|
1531 |
'e', MDB_OPT_SETBITS, TRUE, &errors, |
|
1532 |
NULL) != argc) |
|
1533 |
return (DCMD_USAGE); |
|
1534 |
||
1535 |
if (!(flags & DCMD_ADDRSPEC)) |
|
1536 |
return (DCMD_USAGE); |
|
1537 |
||
1538 |
if (mdb_vread(&spa, sizeof (spa), addr) == -1) { |
|
1539 |
mdb_warn("failed to read spa_t at %p", addr); |
|
1540 |
return (DCMD_ERR); |
|
1541 |
} |
|
1542 |
||
952
12ec54aa046e
6344502 placeholder bug for the remaining Makefile cleanup work for ZFS
eschrock
parents:
789
diff
changeset
|
1543 |
/* |
12ec54aa046e
6344502 placeholder bug for the remaining Makefile cleanup work for ZFS
eschrock
parents:
789
diff
changeset
|
1544 |
* Unitialized spa_t structures can have a NULL root vdev. |
12ec54aa046e
6344502 placeholder bug for the remaining Makefile cleanup work for ZFS
eschrock
parents:
789
diff
changeset
|
1545 |
*/ |
12ec54aa046e
6344502 placeholder bug for the remaining Makefile cleanup work for ZFS
eschrock
parents:
789
diff
changeset
|
1546 |
if (spa.spa_root_vdev == NULL) { |
12ec54aa046e
6344502 placeholder bug for the remaining Makefile cleanup work for ZFS
eschrock
parents:
789
diff
changeset
|
1547 |
mdb_printf("no associated vdevs\n"); |
12ec54aa046e
6344502 placeholder bug for the remaining Makefile cleanup work for ZFS
eschrock
parents:
789
diff
changeset
|
1548 |
return (DCMD_OK); |
12ec54aa046e
6344502 placeholder bug for the remaining Makefile cleanup work for ZFS
eschrock
parents:
789
diff
changeset
|
1549 |
} |
12ec54aa046e
6344502 placeholder bug for the remaining Makefile cleanup work for ZFS
eschrock
parents:
789
diff
changeset
|
1550 |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6245
diff
changeset
|
1551 |
v[0].a_type = MDB_TYPE_STRING; |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6245
diff
changeset
|
1552 |
v[0].a_un.a_str = errors ? "-re" : "-r"; |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6245
diff
changeset
|
1553 |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6245
diff
changeset
|
1554 |
ret = mdb_call_dcmd("vdev", (uintptr_t)spa.spa_root_vdev, |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6245
diff
changeset
|
1555 |
flags, 1, v); |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6245
diff
changeset
|
1556 |
if (ret != DCMD_OK) |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6245
diff
changeset
|
1557 |
return (ret); |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6245
diff
changeset
|
1558 |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6245
diff
changeset
|
1559 |
/* |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6245
diff
changeset
|
1560 |
* Iterate over cache devices and print those out as well. This is a |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6245
diff
changeset
|
1561 |
* little annoying because we don't have a root vdev to pass to ::vdev. |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6245
diff
changeset
|
1562 |
* Instead, we print a single 'cache' line and then call it for each |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6245
diff
changeset
|
1563 |
* child vdev. |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6245
diff
changeset
|
1564 |
*/ |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6245
diff
changeset
|
1565 |
if (spa.spa_l2cache.sav_count != 0) { |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6245
diff
changeset
|
1566 |
v[1].a_type = MDB_TYPE_STRING; |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6245
diff
changeset
|
1567 |
v[1].a_un.a_str = "-d"; |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6245
diff
changeset
|
1568 |
v[2].a_type = MDB_TYPE_IMMEDIATE; |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6245
diff
changeset
|
1569 |
v[2].a_un.a_val = 2; |
789 | 1570 |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6245
diff
changeset
|
1571 |
len = spa.spa_l2cache.sav_count * sizeof (uintptr_t); |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6245
diff
changeset
|
1572 |
aux = mdb_alloc(len, UM_SLEEP); |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6245
diff
changeset
|
1573 |
if (mdb_vread(aux, len, |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6245
diff
changeset
|
1574 |
(uintptr_t)spa.spa_l2cache.sav_vdevs) == -1) { |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6245
diff
changeset
|
1575 |
mdb_free(aux, len); |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6245
diff
changeset
|
1576 |
mdb_warn("failed to read l2cache vdevs at %p", |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6245
diff
changeset
|
1577 |
spa.spa_l2cache.sav_vdevs); |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6245
diff
changeset
|
1578 |
return (DCMD_ERR); |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6245
diff
changeset
|
1579 |
} |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6245
diff
changeset
|
1580 |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6245
diff
changeset
|
1581 |
mdb_printf("%-?s %-9s %-12s cache\n", "-", "-", "-"); |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6245
diff
changeset
|
1582 |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6245
diff
changeset
|
1583 |
for (i = 0; i < spa.spa_l2cache.sav_count; i++) { |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6245
diff
changeset
|
1584 |
ret = mdb_call_dcmd("vdev", aux[i], flags, 3, v); |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6245
diff
changeset
|
1585 |
if (ret != DCMD_OK) { |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6245
diff
changeset
|
1586 |
mdb_free(aux, len); |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6245
diff
changeset
|
1587 |
return (ret); |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6245
diff
changeset
|
1588 |
} |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6245
diff
changeset
|
1589 |
} |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6245
diff
changeset
|
1590 |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6245
diff
changeset
|
1591 |
mdb_free(aux, len); |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6245
diff
changeset
|
1592 |
} |
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6245
diff
changeset
|
1593 |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6245
diff
changeset
|
1594 |
return (DCMD_OK); |
789 | 1595 |
} |
1596 |
||
4055 | 1597 |
/* |
1598 |
* ::zio |
|
1599 |
* |
|
1600 |
* Print a summary of zio_t and all its children. This is intended to display a |
|
1601 |
* zio tree, and hence we only pick the most important pieces of information for |
|
1602 |
* the main summary. More detailed information can always be found by doing a |
|
1603 |
* '::print zio' on the underlying zio_t. The columns we display are: |
|
1604 |
* |
|
1605 |
* ADDRESS TYPE STAGE WAITER |
|
1606 |
* |
|
1607 |
* The 'address' column is indented by one space for each depth level as we |
|
1608 |
* descend down the tree. |
|
1609 |
*/ |
|
4217
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4055
diff
changeset
|
1610 |
|
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4055
diff
changeset
|
1611 |
#define ZIO_MAXDEPTH 16 |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4055
diff
changeset
|
1612 |
|
4055 | 1613 |
static int |
1614 |
zio_print_cb(uintptr_t addr, const void *data, void *priv) |
|
1615 |
{ |
|
1616 |
const zio_t *zio = data; |
|
1617 |
uintptr_t depth = (uintptr_t)priv; |
|
1618 |
mdb_ctf_id_t type_enum, stage_enum; |
|
1619 |
const char *type, *stage; |
|
1620 |
int maxdepth; |
|
1621 |
||
4217
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4055
diff
changeset
|
1622 |
maxdepth = sizeof (uintptr_t) * 2 + ZIO_MAXDEPTH; |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4055
diff
changeset
|
1623 |
if (depth > ZIO_MAXDEPTH) |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4055
diff
changeset
|
1624 |
depth = ZIO_MAXDEPTH; |
4055 | 1625 |
|
1626 |
if (mdb_ctf_lookup_by_name("enum zio_type", &type_enum) == -1 || |
|
1627 |
mdb_ctf_lookup_by_name("enum zio_stage", &stage_enum) == -1) { |
|
1628 |
mdb_warn("failed to lookup zio enums"); |
|
1629 |
return (WALK_ERR); |
|
1630 |
} |
|
1631 |
||
1632 |
if ((type = mdb_ctf_enum_name(type_enum, zio->io_type)) != NULL) |
|
1633 |
type += sizeof ("ZIO_TYPE_") - 1; |
|
1634 |
else |
|
1635 |
type = "?"; |
|
1636 |
||
1637 |
if ((stage = mdb_ctf_enum_name(stage_enum, zio->io_stage)) != NULL) |
|
1638 |
stage += sizeof ("ZIO_STAGE_") - 1; |
|
1639 |
else |
|
1640 |
stage = "?"; |
|
1641 |
||
1642 |
||
1643 |
mdb_printf("%*s%-*p %-5s %-22s ", |
|
1644 |
depth, "", maxdepth - depth, addr, type, stage); |
|
1645 |
if (zio->io_waiter) |
|
1646 |
mdb_printf("%?p\n", zio->io_waiter); |
|
1647 |
else |
|
1648 |
mdb_printf("-\n"); |
|
1649 |
||
1650 |
if (mdb_pwalk("zio_child", zio_print_cb, (void *)(depth + 1), |
|
1651 |
addr) != 0) { |
|
1652 |
mdb_warn("failed to walk zio_t children at %p\n", addr); |
|
1653 |
return (WALK_ERR); |
|
1654 |
} |
|
1655 |
||
1656 |
return (WALK_NEXT); |
|
1657 |
} |
|
1658 |
||
1659 |
/*ARGSUSED*/ |
|
1660 |
static int |
|
1661 |
zio_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) |
|
1662 |
{ |
|
1663 |
zio_t zio; |
|
4217
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4055
diff
changeset
|
1664 |
int maxdepth; |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4055
diff
changeset
|
1665 |
|
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4055
diff
changeset
|
1666 |
maxdepth = sizeof (uintptr_t) * 2 + ZIO_MAXDEPTH; |
4055 | 1667 |
|
1668 |
if (!(flags & DCMD_ADDRSPEC)) |
|
1669 |
return (DCMD_USAGE); |
|
1670 |
||
1671 |
if (mdb_vread(&zio, sizeof (zio_t), addr) == -1) { |
|
1672 |
mdb_warn("failed to read zio_t at %p", addr); |
|
1673 |
return (DCMD_ERR); |
|
1674 |
} |
|
1675 |
||
4217
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4055
diff
changeset
|
1676 |
if (DCMD_HDRSPEC(flags)) |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4055
diff
changeset
|
1677 |
mdb_printf("%<u>%-*s %-5s %-22s %-?s%</u>\n", maxdepth, |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4055
diff
changeset
|
1678 |
"ADDRESS", "TYPE", "STAGE", "WAITER"); |
3411a82f178f
6552521 truss dumps core with multibyte characters in syscall args
eschrock
parents:
4055
diff
changeset
|
1679 |
|
4055 | 1680 |
if (zio_print_cb(addr, &zio, NULL) != WALK_NEXT) |
1681 |
return (DCMD_ERR); |
|
1682 |
||
1683 |
return (DCMD_OK); |
|
1684 |
} |
|
1685 |
||
1686 |
/* |
|
1687 |
* [addr]::zio_state |
|
1688 |
* |
|
1689 |
* Print a summary of all zio_t structures on the system, or for a particular |
|
1690 |
* pool. This is equivalent to '::walk zio_root | ::zio'. |
|
1691 |
*/ |
|
1692 |
/*ARGSUSED*/ |
|
1693 |
static int |
|
1694 |
zio_state(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) |
|
1695 |
{ |
|
1696 |
/* |
|
1697 |
* MDB will remember the last address of the pipeline, so if we don't |
|
1698 |
* zero this we'll end up trying to walk zio structures for a |
|
1699 |
* non-existent spa_t. |
|
1700 |
*/ |
|
1701 |
if (!(flags & DCMD_ADDRSPEC)) |
|
1702 |
addr = 0; |
|
1703 |
||
1704 |
return (mdb_pwalk_dcmd("zio_root", "zio", argc, argv, addr)); |
|
1705 |
} |
|
1706 |
||
789 | 1707 |
typedef struct txg_list_walk_data { |
1708 |
uintptr_t lw_head[TXG_SIZE]; |
|
1709 |
int lw_txgoff; |
|
1710 |
int lw_maxoff; |
|
1711 |
size_t lw_offset; |
|
1712 |
void *lw_obj; |
|
1713 |
} txg_list_walk_data_t; |
|
1714 |
||
1715 |
static int |
|
1716 |
txg_list_walk_init_common(mdb_walk_state_t *wsp, int txg, int maxoff) |
|
1717 |
{ |
|
1718 |
txg_list_walk_data_t *lwd; |
|
1719 |
txg_list_t list; |
|
1720 |
int i; |
|
1721 |
||
1722 |
lwd = mdb_alloc(sizeof (txg_list_walk_data_t), UM_SLEEP | UM_GC); |
|
1723 |
if (mdb_vread(&list, sizeof (txg_list_t), wsp->walk_addr) == -1) { |
|
1724 |
mdb_warn("failed to read txg_list_t at %#lx", wsp->walk_addr); |
|
1725 |
return (WALK_ERR); |
|
1726 |
} |
|
1727 |
||
1728 |
for (i = 0; i < TXG_SIZE; i++) |
|
1729 |
lwd->lw_head[i] = (uintptr_t)list.tl_head[i]; |
|
1730 |
lwd->lw_offset = list.tl_offset; |
|
1731 |
lwd->lw_obj = mdb_alloc(lwd->lw_offset + sizeof (txg_node_t), |
|
1732 |
UM_SLEEP | UM_GC); |
|
1733 |
lwd->lw_txgoff = txg; |
|
1734 |
lwd->lw_maxoff = maxoff; |
|
1735 |
||
1736 |
wsp->walk_addr = lwd->lw_head[lwd->lw_txgoff]; |
|
1737 |
wsp->walk_data = lwd; |
|
1738 |
||
1739 |
return (WALK_NEXT); |
|
1740 |
} |
|
1741 |
||
1742 |
static int |
|
1743 |
txg_list_walk_init(mdb_walk_state_t *wsp) |
|
1744 |
{ |
|
1745 |
return (txg_list_walk_init_common(wsp, 0, TXG_SIZE-1)); |
|
1746 |
} |
|
1747 |
||
1748 |
static int |
|
1749 |
txg_list0_walk_init(mdb_walk_state_t *wsp) |
|
1750 |
{ |
|
1751 |
return (txg_list_walk_init_common(wsp, 0, 0)); |
|
1752 |
} |
|
1753 |
||
1754 |
static int |
|
1755 |
txg_list1_walk_init(mdb_walk_state_t *wsp) |
|
1756 |
{ |
|
1757 |
return (txg_list_walk_init_common(wsp, 1, 1)); |
|
1758 |
} |
|
1759 |
||
1760 |
static int |
|
1761 |
txg_list2_walk_init(mdb_walk_state_t *wsp) |
|
1762 |
{ |
|
1763 |
return (txg_list_walk_init_common(wsp, 2, 2)); |
|
1764 |
} |
|
1765 |
||
1766 |
static int |
|
1767 |
txg_list3_walk_init(mdb_walk_state_t *wsp) |
|
1768 |
{ |
|
1769 |
return (txg_list_walk_init_common(wsp, 3, 3)); |
|
1770 |
} |
|
1771 |
||
1772 |
static int |
|
1773 |
txg_list_walk_step(mdb_walk_state_t *wsp) |
|
1774 |
{ |
|
1775 |
txg_list_walk_data_t *lwd = wsp->walk_data; |
|
1776 |
uintptr_t addr; |
|
1777 |
txg_node_t *node; |
|
1778 |
int status; |
|
1779 |
||
1780 |
while (wsp->walk_addr == NULL && lwd->lw_txgoff < lwd->lw_maxoff) { |
|
1781 |
lwd->lw_txgoff++; |
|
1782 |
wsp->walk_addr = lwd->lw_head[lwd->lw_txgoff]; |
|
1783 |
} |
|
1784 |
||
1785 |
if (wsp->walk_addr == NULL) |
|
1786 |
return (WALK_DONE); |
|
1787 |
||
1788 |
addr = wsp->walk_addr - lwd->lw_offset; |
|
1789 |
||
1790 |
if (mdb_vread(lwd->lw_obj, |
|
1791 |
lwd->lw_offset + sizeof (txg_node_t), addr) == -1) { |
|
1792 |
mdb_warn("failed to read list element at %#lx", addr); |
|
1793 |
return (WALK_ERR); |
|
1794 |
} |
|
1795 |
||
1796 |
status = wsp->walk_callback(addr, lwd->lw_obj, wsp->walk_cbdata); |
|
1797 |
node = (txg_node_t *)((uintptr_t)lwd->lw_obj + lwd->lw_offset); |
|
1798 |
wsp->walk_addr = (uintptr_t)node->tn_next[lwd->lw_txgoff]; |
|
1799 |
||
1800 |
return (status); |
|
1801 |
} |
|
1802 |
||
1803 |
/* |
|
1804 |
* ::walk spa |
|
1805 |
* |
|
1806 |
* Walk all named spa_t structures in the namespace. This is nothing more than |
|
1807 |
* a layered avl walk. |
|
1808 |
*/ |
|
1809 |
static int |
|
1810 |
spa_walk_init(mdb_walk_state_t *wsp) |
|
1811 |
{ |
|
1812 |
GElf_Sym sym; |
|
1813 |
||
1814 |
if (wsp->walk_addr != NULL) { |
|
1815 |
mdb_warn("spa walk only supports global walks\n"); |
|
1816 |
return (WALK_ERR); |
|
1817 |
} |
|
1818 |
||
1819 |
if (mdb_lookup_by_obj(ZFS_OBJ_NAME, "spa_namespace_avl", &sym) == -1) { |
|
1820 |
mdb_warn("failed to find symbol 'spa_namespace_avl'"); |
|
1821 |
return (WALK_ERR); |
|
1822 |
} |
|
1823 |
||
1824 |
wsp->walk_addr = (uintptr_t)sym.st_value; |
|
1825 |
||
1826 |
if (mdb_layered_walk("avl", wsp) == -1) { |
|
1827 |
mdb_warn("failed to walk 'avl'\n"); |
|
1828 |
return (WALK_ERR); |
|
1829 |
} |
|
1830 |
||
1831 |
return (WALK_NEXT); |
|
1832 |
} |
|
1833 |
||
1834 |
static int |
|
1835 |
spa_walk_step(mdb_walk_state_t *wsp) |
|
1836 |
{ |
|
1837 |
spa_t spa; |
|
1838 |
||
1839 |
if (mdb_vread(&spa, sizeof (spa), wsp->walk_addr) == -1) { |
|
1840 |
mdb_warn("failed to read spa_t at %p", wsp->walk_addr); |
|
1841 |
return (WALK_ERR); |
|
1842 |
} |
|
1843 |
||
1844 |
return (wsp->walk_callback(wsp->walk_addr, &spa, wsp->walk_cbdata)); |
|
1845 |
} |
|
1846 |
||
1847 |
/* |
|
4055 | 1848 |
* [addr]::walk zio |
1849 |
* |
|
1850 |
* Walk all active zio_t structures on the system. This is simply a layered |
|
1851 |
* walk on top of ::walk zio_cache, with the optional ability to limit the |
|
1852 |
* structures to a particular pool. |
|
1853 |
*/ |
|
1854 |
static int |
|
1855 |
zio_walk_init(mdb_walk_state_t *wsp) |
|
1856 |
{ |
|
1857 |
wsp->walk_data = (void *)wsp->walk_addr; |
|
1858 |
||
1859 |
if (mdb_layered_walk("zio_cache", wsp) == -1) { |
|
1860 |
mdb_warn("failed to walk 'zio_cache'\n"); |
|
1861 |
return (WALK_ERR); |
|
1862 |
} |
|
1863 |
||
1864 |
return (WALK_NEXT); |
|
1865 |
} |
|
1866 |
||
1867 |
static int |
|
1868 |
zio_walk_step(mdb_walk_state_t *wsp) |
|
1869 |
{ |
|
1870 |
zio_t zio; |
|
1871 |
||
1872 |
if (mdb_vread(&zio, sizeof (zio), wsp->walk_addr) == -1) { |
|
1873 |
mdb_warn("failed to read zio_t at %p", wsp->walk_addr); |
|
1874 |
return (WALK_ERR); |
|
1875 |
} |
|
1876 |
||
1877 |
if (wsp->walk_data != NULL && wsp->walk_data != zio.io_spa) |
|
1878 |
return (WALK_NEXT); |
|
1879 |
||
1880 |
return (wsp->walk_callback(wsp->walk_addr, &zio, wsp->walk_cbdata)); |
|
1881 |
} |
|
1882 |
||
1883 |
/* |
|
1884 |
* ::walk zio_child |
|
1885 |
* |
|
1886 |
* Walk the children of a zio_t structure. |
|
1887 |
*/ |
|
1888 |
static int |
|
1889 |
zio_child_walk_init(mdb_walk_state_t *wsp) |
|
1890 |
{ |
|
1891 |
zio_t zio; |
|
1892 |
||
1893 |
if (wsp->walk_addr == 0) { |
|
1894 |
mdb_warn("::walk zio_child doesn't support global walks\n"); |
|
1895 |
return (WALK_ERR); |
|
1896 |
} |
|
1897 |
||
1898 |
if (mdb_vread(&zio, sizeof (zio), wsp->walk_addr) == -1) { |
|
1899 |
mdb_warn("failed to read zio_t at %p", wsp->walk_addr); |
|
1900 |
return (WALK_ERR); |
|
1901 |
} |
|
1902 |
||
1903 |
wsp->walk_addr = (uintptr_t)zio.io_child; |
|
1904 |
return (WALK_NEXT); |
|
1905 |
} |
|
1906 |
||
1907 |
static int |
|
1908 |
zio_sibling_walk_step(mdb_walk_state_t *wsp) |
|
1909 |
{ |
|
1910 |
zio_t zio; |
|
1911 |
int status; |
|
1912 |
||
1913 |
if (wsp->walk_addr == NULL) |
|
1914 |
return (WALK_DONE); |
|
1915 |
||
1916 |
if (mdb_vread(&zio, sizeof (zio), wsp->walk_addr) == -1) { |
|
1917 |
mdb_warn("failed to read zio_t at %p", wsp->walk_addr); |
|
1918 |
return (WALK_ERR); |
|
1919 |
} |
|
1920 |
||
1921 |
status = wsp->walk_callback(wsp->walk_addr, &zio, wsp->walk_cbdata); |
|
1922 |
||
1923 |
wsp->walk_addr = (uintptr_t)zio.io_sibling_next; |
|
1924 |
return (status); |
|
1925 |
} |
|
1926 |
||
1927 |
/* |
|
1928 |
* [addr]::walk zio_root |
|
1929 |
* |
|
1930 |
* Walk only root zio_t structures, optionally for a particular spa_t. |
|
1931 |
*/ |
|
1932 |
static int |
|
1933 |
zio_walk_root_step(mdb_walk_state_t *wsp) |
|
1934 |
{ |
|
1935 |
zio_t zio; |
|
1936 |
||
1937 |
if (mdb_vread(&zio, sizeof (zio), wsp->walk_addr) == -1) { |
|
1938 |
mdb_warn("failed to read zio_t at %p", wsp->walk_addr); |
|
1939 |
return (WALK_ERR); |
|
1940 |
} |
|
1941 |
||
1942 |
if (wsp->walk_data != NULL && wsp->walk_data != zio.io_spa) |
|
1943 |
return (WALK_NEXT); |
|
1944 |
||
1945 |
if ((uintptr_t)zio.io_root != wsp->walk_addr) |
|
1946 |
return (WALK_NEXT); |
|
1947 |
||
1948 |
return (wsp->walk_callback(wsp->walk_addr, &zio, wsp->walk_cbdata)); |
|
1949 |
} |
|
1950 |
||
1951 |
/* |
|
789 | 1952 |
* MDB module linkage information: |
1953 |
* |
|
1954 |
* We declare a list of structures describing our dcmds, and a function |
|
1955 |
* named _mdb_init to return a pointer to our module information. |
|
1956 |
*/ |
|
1957 |
||
1958 |
static const mdb_dcmd_t dcmds[] = { |
|
4787 | 1959 |
{ "arc", "[-bkmg]", "print ARC variables", arc_print }, |
789 | 1960 |
{ "blkptr", ":", "print blkptr_t", blkptr }, |
1961 |
{ "dbuf", ":", "print dmu_buf_impl_t", dbuf }, |
|
1962 |
{ "dbuf_stats", ":", "dbuf stats", dbuf_stats }, |
|
1963 |
{ "dbufs", |
|
5367 | 1964 |
"\t[-O objset_impl_t*] [-n objset_name | \"mos\"] " |
1965 |
"[-o object | \"mdn\"] \n" |
|
789 | 1966 |
"\t[-l level] [-b blkid | \"bonus\"]", |
4787 | 1967 |
"find dmu_buf_impl_t's that match specified criteria", dbufs }, |
789 | 1968 |
{ "abuf_find", "dva_word[0] dva_word[1]", |
1969 |
"find arc_buf_hdr_t of a specified DVA", |
|
1970 |
abuf_find }, |
|
1971 |
{ "spa", "?[-cv]", "spa_t summary", spa_print }, |
|
1972 |
{ "spa_config", ":", "print spa_t configuration", spa_print_config }, |
|
1973 |
{ "spa_verify", ":", "verify spa_t consistency", spa_verify }, |
|
1974 |
{ "spa_space", ":[-b]", "print spa_t on-disk space usage", spa_space }, |
|
1975 |
{ "spa_vdevs", ":", "given a spa_t, print vdev summary", spa_vdevs }, |
|
4787 | 1976 |
{ "vdev", ":[-re]\n" |
1977 |
"\t-r display recursively\n" |
|
1978 |
"\t-e print statistics\n", |
|
1979 |
"vdev_t summary", vdev_print }, |
|
4055 | 1980 |
{ "zio", ":", "zio_t summary", zio_print }, |
1981 |
{ "zio_state", "?", "print out all zio_t structures on system or " |
|
1982 |
"for a particular pool", zio_state }, |
|
789 | 1983 |
{ "zio_pipeline", ":", "decode a zio pipeline", zio_pipeline }, |
3059 | 1984 |
{ "zfs_params", "", "print zfs tunable parameters", zfs_params }, |
789 | 1985 |
{ NULL } |
1986 |
}; |
|
1987 |
||
1988 |
static const mdb_walker_t walkers[] = { |
|
1989 |
/* |
|
1990 |
* In userland, there is no generic provider of list_t walkers, so we |
|
1991 |
* need to add it. |
|
1992 |
*/ |
|
1993 |
#ifndef _KERNEL |
|
1994 |
{ LIST_WALK_NAME, LIST_WALK_DESC, |
|
1995 |
list_walk_init, list_walk_step, list_walk_fini }, |
|
1996 |
#endif |
|
1997 |
{ "zms_freelist", "walk ZFS metaslab freelist", |
|
2459
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
1998 |
freelist_walk_init, freelist_walk_step, NULL }, |
789 | 1999 |
{ "txg_list", "given any txg_list_t *, walk all entries in all txgs", |
2459
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
2000 |
txg_list_walk_init, txg_list_walk_step, NULL }, |
789 | 2001 |
{ "txg_list0", "given any txg_list_t *, walk all entries in txg 0", |
2459
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
2002 |
txg_list0_walk_init, txg_list_walk_step, NULL }, |
789 | 2003 |
{ "txg_list1", "given any txg_list_t *, walk all entries in txg 1", |
2459
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
2004 |
txg_list1_walk_init, txg_list_walk_step, NULL }, |
789 | 2005 |
{ "txg_list2", "given any txg_list_t *, walk all entries in txg 2", |
2459
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
2006 |
txg_list2_walk_init, txg_list_walk_step, NULL }, |
789 | 2007 |
{ "txg_list3", "given any txg_list_t *, walk all entries in txg 3", |
2459
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
2008 |
txg_list3_walk_init, txg_list_walk_step, NULL }, |
4055 | 2009 |
{ "zio", "walk all zio structures, optionally for a particular spa_t", |
2010 |
zio_walk_init, zio_walk_step, NULL }, |
|
2011 |
{ "zio_child", "walk children of a zio_t structure", |
|
2012 |
zio_child_walk_init, zio_sibling_walk_step, NULL }, |
|
2013 |
{ "zio_root", "walk all root zio_t structures, optionally for a " |
|
2014 |
"particular spa_t", |
|
2015 |
zio_walk_init, zio_walk_root_step, NULL }, |
|
789 | 2016 |
{ "spa", "walk all spa_t entries in the namespace", |
2017 |
spa_walk_init, spa_walk_step, NULL }, |
|
2459
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
2018 |
{ "metaslab", "given a spa_t *, walk all metaslab_t structures", |
7511d9859fcd
6452923 really out of space panic even though ms_map.sm_space > 0
ahrens
parents:
2082
diff
changeset
|
2019 |
metaslab_walk_init, metaslab_walk_step, NULL }, |
789 | 2020 |
{ NULL } |
2021 |
}; |
|
2022 |
||
2023 |
static const mdb_modinfo_t modinfo = { |
|
2024 |
MDB_API_VERSION, dcmds, walkers |
|
2025 |
}; |
|
2026 |
||
2027 |
const mdb_modinfo_t * |
|
2028 |
_mdb_init(void) |
|
2029 |
{ |
|
2030 |
return (&modinfo); |
|
2031 |
} |