| author | bonwick |
| Sun, 02 Apr 2006 00:47:06 -0800 | |
| changeset 1732 | 9e3ae798af31 |
| parent 1544 | 938876158511 |
| child 1775 | e51e26b432c0 |
| permissions | -rw-r--r-- |
| 789 | 1 |
/* |
2 |
* CDDL HEADER START |
|
3 |
* |
|
4 |
* The contents of this file are subject to the terms of the |
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| 1544 | 5 |
* Common Development and Distribution License (the "License"). |
6 |
* You may not use this file except in compliance with the License. |
|
| 789 | 7 |
* |
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE |
|
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* or http://www.opensolaris.org/os/licensing. |
|
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* See the License for the specific language governing permissions |
|
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* and limitations under the License. |
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* |
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* When distributing Covered Code, include this CDDL HEADER in each |
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE. |
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* If applicable, add the following below this CDDL HEADER, with the |
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* fields enclosed by brackets "[]" replaced with your own identifying |
|
17 |
* information: Portions Copyright [yyyy] [name of copyright owner] |
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* |
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* CDDL HEADER END |
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20 |
*/ |
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21 |
/* |
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| 1544 | 22 |
* Copyright 2006 Sun Microsystems, Inc. All rights reserved. |
| 789 | 23 |
* Use is subject to license terms. |
24 |
*/ |
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25 |
||
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#pragma ident "%Z%%M% %I% %E% SMI" |
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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> |
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38 |
#include <sys/spa_impl.h> |
|
39 |
#include <sys/vdev_impl.h> |
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#include <sys/zio_compress.h> |
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41 |
||
42 |
#ifndef _KERNEL |
|
43 |
#include "../genunix/list.h" |
|
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#endif |
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45 |
||
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#ifdef _KERNEL |
|
47 |
#define ZFS_OBJ_NAME "zfs" |
|
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#else |
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49 |
#define ZFS_OBJ_NAME "libzpool.so.1" |
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#endif |
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51 |
||
52 |
static char * |
|
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local_strdup(const char *s) |
|
54 |
{
|
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char *s1 = mdb_alloc(strlen(s) + 1, UM_SLEEP); |
|
56 |
||
57 |
(void) strcpy(s1, s); |
|
58 |
return (s1); |
|
59 |
} |
|
60 |
||
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static int |
|
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getmember(uintptr_t addr, const char *type, mdb_ctf_id_t *idp, |
|
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const char *member, int len, void *buf) |
|
64 |
{
|
|
65 |
mdb_ctf_id_t id; |
|
66 |
ulong_t off; |
|
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char name[64]; |
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68 |
||
69 |
if (idp == NULL) {
|
|
70 |
if (mdb_ctf_lookup_by_name(type, &id) == -1) {
|
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mdb_warn("couldn't find type %s", type);
|
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return (DCMD_ERR); |
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} |
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idp = &id; |
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75 |
} else {
|
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type = name; |
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mdb_ctf_type_name(*idp, name, sizeof (name)); |
|
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} |
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79 |
||
80 |
if (mdb_ctf_offsetof(*idp, member, &off) == -1) {
|
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mdb_warn("couldn't find member %s of type %s\n", member, type);
|
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return (DCMD_ERR); |
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} |
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if (off % 8 != 0) {
|
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mdb_warn("member %s of type %s is unsupported bitfield",
|
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member, type); |
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return (DCMD_ERR); |
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} |
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off /= 8; |
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90 |
||
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if (mdb_vread(buf, len, addr + off) == -1) {
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mdb_warn("failed to read %s from %s at %p",
|
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member, type, addr + off); |
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return (DCMD_ERR); |
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} |
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/* mdb_warn("read %s from %s at %p+%llx\n", member, type, addr, off); */
|
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return (0); |
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} |
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||
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#define GETMEMB(addr, type, member, dest) \ |
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getmember(addr, #type, NULL, #member, sizeof (dest), &(dest)) |
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103 |
||
104 |
#define GETMEMBID(addr, ctfid, member, dest) \ |
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getmember(addr, NULL, ctfid, #member, sizeof (dest), &(dest)) |
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106 |
||
107 |
static int |
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108 |
getrefcount(uintptr_t addr, mdb_ctf_id_t *id, |
|
109 |
const char *member, uint64_t *rc) |
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{
|
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static int gotid; |
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static mdb_ctf_id_t rc_id; |
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ulong_t off; |
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114 |
||
115 |
if (!gotid) {
|
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116 |
if (mdb_ctf_lookup_by_name("struct refcount", &rc_id) == -1) {
|
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117 |
mdb_warn("couldn't find struct refcount");
|
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return (DCMD_ERR); |
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119 |
} |
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gotid = TRUE; |
|
121 |
} |
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122 |
||
123 |
if (mdb_ctf_offsetof(*id, member, &off) == -1) {
|
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char name[64]; |
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125 |
mdb_ctf_type_name(*id, name, sizeof (name)); |
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126 |
mdb_warn("couldn't find member %s of type %s\n", member, name);
|
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127 |
return (DCMD_ERR); |
|
128 |
} |
|
129 |
off /= 8; |
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130 |
||
131 |
return (GETMEMBID(addr + off, &rc_id, rc_count, *rc)); |
|
132 |
} |
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133 |
||
134 |
static int |
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135 |
read_symbol(char *sym_name, void **bufp) |
|
136 |
{
|
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GElf_Sym sym; |
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138 |
||
139 |
if (mdb_lookup_by_obj(MDB_TGT_OBJ_EVERY, sym_name, &sym)) {
|
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mdb_warn("can't find symbol %s", sym_name);
|
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return (DCMD_ERR); |
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} |
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143 |
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*bufp = mdb_alloc(sym.st_size, UM_SLEEP); |
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145 |
||
146 |
if (mdb_vread(*bufp, sym.st_size, sym.st_value) == -1) {
|
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147 |
mdb_warn("can't read data for symbol %s", sym_name);
|
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148 |
mdb_free(*bufp, sym.st_size); |
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return (DCMD_ERR); |
|
150 |
} |
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151 |
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152 |
return (DCMD_OK); |
|
153 |
} |
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154 |
||
155 |
static int verbose; |
|
156 |
||
157 |
static int |
|
158 |
freelist_walk_init(mdb_walk_state_t *wsp) |
|
159 |
{
|
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160 |
if (wsp->walk_addr == NULL) {
|
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mdb_warn("must supply starting address\n");
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return (WALK_ERR); |
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} |
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164 |
||
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wsp->walk_data = 0; /* Index into the freelist */ |
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return (WALK_NEXT); |
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} |
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168 |
||
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static int |
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freelist_walk_step(mdb_walk_state_t *wsp) |
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171 |
{
|
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uint64_t entry; |
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uintptr_t number = (uintptr_t)wsp->walk_data; |
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char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID" };
|
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int mapshift = SPA_MINBLOCKSHIFT; |
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176 |
||
177 |
if (mdb_vread(&entry, sizeof (entry), wsp->walk_addr) == -1) {
|
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mdb_warn("failed to read freelist entry %p", wsp->walk_addr);
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return (WALK_DONE); |
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} |
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wsp->walk_addr += sizeof (entry); |
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wsp->walk_data = (void *)(number + 1); |
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183 |
||
184 |
if (SM_DEBUG_DECODE(entry)) {
|
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mdb_printf("DEBUG: %3u %10s: txg=%llu pass=%llu\n",
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number, |
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ddata[SM_DEBUG_ACTION_DECODE(entry)], |
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SM_DEBUG_TXG_DECODE(entry), |
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SM_DEBUG_SYNCPASS_DECODE(entry)); |
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190 |
} else {
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mdb_printf("Entry: %3u offsets=%08llx-%08llx type=%c "
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"size=%06llx", number, |
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SM_OFFSET_DECODE(entry) << mapshift, |
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(SM_OFFSET_DECODE(entry) + SM_RUN_DECODE(entry)) << |
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mapshift, |
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SM_TYPE_DECODE(entry) == SM_ALLOC ? 'A' : 'F', |
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SM_RUN_DECODE(entry) << mapshift); |
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if (verbose) |
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mdb_printf(" (raw=%012llx)\n", entry);
|
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mdb_printf("\n");
|
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} |
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202 |
return (WALK_NEXT); |
|
203 |
} |
|
204 |
||
205 |
/* ARGSUSED */ |
|
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static void |
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freelist_walk_fini(mdb_walk_state_t *wsp) |
|
208 |
{
|
|
209 |
} |
|
210 |
||
211 |
typedef struct dbuf_walk_data {
|
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212 |
dbuf_hash_table_t ht; |
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213 |
int64_t bucket; |
|
214 |
uintptr_t dbp; |
|
215 |
dmu_buf_impl_t db; |
|
216 |
} dbuf_walk_data_t; |
|
217 |
||
218 |
static int |
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219 |
dbuf_walk_init(mdb_walk_state_t *wsp) |
|
220 |
{
|
|
221 |
dbuf_walk_data_t *dwd; |
|
222 |
||
223 |
if (wsp->walk_addr != NULL) {
|
|
224 |
mdb_warn("must supply starting address\n");
|
|
225 |
return (WALK_ERR); |
|
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} |
|
227 |
||
228 |
dwd = mdb_alloc(sizeof (dbuf_walk_data_t), UM_SLEEP); |
|
229 |
||
230 |
if (mdb_readvar(&dwd->ht, "dbuf_hash_table") == -1) {
|
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231 |
mdb_warn("failed to read 'dbuf_hash_table'");
|
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232 |
mdb_free(dwd, sizeof (dbuf_walk_data_t)); |
|
233 |
return (WALK_ERR); |
|
234 |
} |
|
235 |
dwd->bucket = -1; |
|
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dwd->dbp = 0; |
|
237 |
wsp->walk_data = dwd; |
|
238 |
return (WALK_NEXT); |
|
239 |
} |
|
240 |
||
241 |
static int |
|
242 |
dbuf_walk_step(mdb_walk_state_t *wsp) |
|
243 |
{
|
|
244 |
int status; |
|
245 |
dbuf_walk_data_t *dwd = wsp->walk_data; |
|
246 |
||
247 |
while (dwd->dbp == 0) {
|
|
248 |
dwd->bucket++; |
|
249 |
if (dwd->bucket == dwd->ht.hash_table_mask+1) |
|
250 |
return (WALK_DONE); |
|
251 |
||
252 |
if (mdb_vread(&dwd->dbp, sizeof (void *), |
|
253 |
(uintptr_t)(dwd->ht.hash_table+dwd->bucket)) == -1) {
|
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254 |
mdb_warn("failed to read hash bucket %u at %p",
|
|
255 |
dwd->bucket, dwd->ht.hash_table+dwd->bucket); |
|
256 |
return (WALK_DONE); |
|
257 |
} |
|
258 |
} |
|
259 |
||
260 |
wsp->walk_addr = dwd->dbp; |
|
261 |
if (mdb_vread(&dwd->db, sizeof (dmu_buf_impl_t), |
|
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wsp->walk_addr) == -1) {
|
|
263 |
mdb_warn("failed to read dbuf at %p", wsp->walk_addr);
|
|
264 |
return (WALK_DONE); |
|
265 |
} |
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status = wsp->walk_callback(wsp->walk_addr, &dwd->db, wsp->walk_cbdata); |
|
267 |
||
268 |
dwd->dbp = (uintptr_t)dwd->db.db_hash_next; |
|
269 |
return (status); |
|
270 |
} |
|
271 |
||
272 |
static void |
|
273 |
dbuf_walk_fini(mdb_walk_state_t *wsp) |
|
274 |
{
|
|
275 |
dbuf_walk_data_t *dwd = wsp->walk_data; |
|
276 |
mdb_free(dwd, sizeof (dbuf_walk_data_t)); |
|
277 |
} |
|
278 |
||
279 |
static int |
|
280 |
dataset_name(uintptr_t addr, char *buf) |
|
281 |
{
|
|
282 |
static int gotid; |
|
283 |
static mdb_ctf_id_t dd_id; |
|
284 |
uintptr_t dd_parent; |
|
285 |
char dd_myname[MAXNAMELEN]; |
|
286 |
||
287 |
if (!gotid) {
|
|
288 |
if (mdb_ctf_lookup_by_name("struct dsl_dir",
|
|
289 |
&dd_id) == -1) {
|
|
290 |
mdb_warn("couldn't find struct dsl_dir");
|
|
291 |
return (DCMD_ERR); |
|
292 |
} |
|
293 |
gotid = TRUE; |
|
294 |
} |
|
295 |
if (GETMEMBID(addr, &dd_id, dd_parent, dd_parent) || |
|
296 |
GETMEMBID(addr, &dd_id, dd_myname, dd_myname)) {
|
|
297 |
return (DCMD_ERR); |
|
298 |
} |
|
299 |
||
300 |
if (dd_parent) {
|
|
301 |
if (dataset_name(dd_parent, buf)) |
|
302 |
return (DCMD_ERR); |
|
303 |
strcat(buf, "/"); |
|
304 |
} |
|
305 |
||
306 |
if (dd_myname[0]) |
|
307 |
strcat(buf, dd_myname); |
|
308 |
else |
|
309 |
strcat(buf, "???"); |
|
310 |
||
311 |
return (0); |
|
312 |
} |
|
313 |
||
314 |
static int |
|
315 |
objset_name(uintptr_t addr, char *buf) |
|
316 |
{
|
|
317 |
static int gotid; |
|
318 |
static mdb_ctf_id_t osi_id, ds_id; |
|
319 |
uintptr_t os_dsl_dataset; |
|
320 |
char ds_snapname[MAXNAMELEN]; |
|
321 |
uintptr_t ds_dir; |
|
322 |
||
323 |
buf[0] = '\0'; |
|
324 |
||
325 |
if (!gotid) {
|
|
326 |
if (mdb_ctf_lookup_by_name("struct objset_impl",
|
|
327 |
&osi_id) == -1) {
|
|
328 |
mdb_warn("couldn't find struct objset_impl");
|
|
329 |
return (DCMD_ERR); |
|
330 |
} |
|
331 |
if (mdb_ctf_lookup_by_name("struct dsl_dataset",
|
|
332 |
&ds_id) == -1) {
|
|
333 |
mdb_warn("couldn't find struct dsl_dataset");
|
|
334 |
return (DCMD_ERR); |
|
335 |
} |
|
336 |
||
337 |
gotid = TRUE; |
|
338 |
} |
|
339 |
||
340 |
if (GETMEMBID(addr, &osi_id, os_dsl_dataset, os_dsl_dataset)) |
|
341 |
return (DCMD_ERR); |
|
342 |
||
343 |
if (os_dsl_dataset == 0) {
|
|
344 |
strcat(buf, "mos"); |
|
345 |
return (0); |
|
346 |
} |
|
347 |
||
348 |
if (GETMEMBID(os_dsl_dataset, &ds_id, ds_snapname, ds_snapname) || |
|
349 |
GETMEMBID(os_dsl_dataset, &ds_id, ds_dir, ds_dir)) {
|
|
350 |
return (DCMD_ERR); |
|
351 |
} |
|
352 |
||
353 |
if (ds_dir && dataset_name(ds_dir, buf)) |
|
354 |
return (DCMD_ERR); |
|
355 |
||
356 |
if (ds_snapname[0]) {
|
|
357 |
strcat(buf, "@"); |
|
358 |
strcat(buf, ds_snapname); |
|
359 |
} |
|
360 |
return (0); |
|
361 |
} |
|
362 |
||
363 |
static void |
|
364 |
enum_lookup(char *out, size_t size, mdb_ctf_id_t id, int val, |
|
365 |
const char *prefix) |
|
366 |
{
|
|
367 |
const char *cp; |
|
368 |
size_t len = strlen(prefix); |
|
369 |
||
370 |
if ((cp = mdb_ctf_enum_name(id, val)) != NULL) {
|
|
371 |
if (strncmp(cp, prefix, len) == 0) |
|
372 |
cp += len; |
|
373 |
(void) strncpy(out, cp, size); |
|
374 |
} else {
|
|
375 |
mdb_snprintf(out, size, "? (%d)", val); |
|
376 |
} |
|
377 |
} |
|
378 |
||
379 |
/* ARGSUSED */ |
|
380 |
static int |
|
381 |
zio_pipeline(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) |
|
382 |
{
|
|
383 |
mdb_ctf_id_t pipe_enum; |
|
384 |
int i; |
|
385 |
char stage[1024]; |
|
386 |
||
387 |
if (mdb_ctf_lookup_by_name("enum zio_stage", &pipe_enum) == -1) {
|
|
388 |
mdb_warn("Could not find enum zio_stage");
|
|
389 |
return (DCMD_ERR); |
|
390 |
} |
|
391 |
||
392 |
for (i = 0; i < 32; i++) {
|
|
393 |
if (addr & (1U << i)) {
|
|
394 |
enum_lookup(stage, sizeof (stage), pipe_enum, i, |
|
395 |
"ZIO_STAGE_"); |
|
396 |
mdb_printf(" %s\n", stage);
|
|
397 |
} |
|
398 |
} |
|
399 |
||
400 |
return (DCMD_OK); |
|
401 |
} |
|
402 |
||
403 |
/* ARGSUSED */ |
|
404 |
static int |
|
405 |
blkptr(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) |
|
406 |
{
|
|
407 |
blkptr_t bp; |
|
408 |
dmu_object_type_info_t *doti; |
|
409 |
zio_compress_info_t *zct; |
|
410 |
zio_checksum_info_t *zci; |
|
411 |
int i; |
|
412 |
char buf[MAXPATHLEN]; |
|
413 |
||
414 |
if (mdb_vread(&bp, sizeof (blkptr_t), addr) == -1) {
|
|
415 |
mdb_warn("failed to read blkptr_t");
|
|
416 |
return (DCMD_ERR); |
|
417 |
} |
|
418 |
||
419 |
if (read_symbol("dmu_ot", (void **)&doti) != DCMD_OK)
|
|
420 |
return (DCMD_ERR); |
|
421 |
for (i = 0; i < DMU_OT_NUMTYPES; i++) {
|
|
422 |
mdb_readstr(buf, sizeof (buf), (uintptr_t)doti[i].ot_name); |
|
423 |
doti[i].ot_name = local_strdup(buf); |
|
424 |
} |
|
425 |
||
426 |
if (read_symbol("zio_checksum_table", (void **)&zci) != DCMD_OK)
|
|
427 |
return (DCMD_ERR); |
|
428 |
for (i = 0; i < ZIO_CHECKSUM_FUNCTIONS; i++) {
|
|
429 |
mdb_readstr(buf, sizeof (buf), (uintptr_t)zci[i].ci_name); |
|
430 |
zci[i].ci_name = local_strdup(buf); |
|
431 |
} |
|
432 |
||
433 |
if (read_symbol("zio_compress_table", (void **)&zct) != DCMD_OK)
|
|
434 |
return (DCMD_ERR); |
|
435 |
for (i = 0; i < ZIO_COMPRESS_FUNCTIONS; i++) {
|
|
436 |
mdb_readstr(buf, sizeof (buf), (uintptr_t)zct[i].ci_name); |
|
437 |
zct[i].ci_name = local_strdup(buf); |
|
438 |
} |
|
439 |
||
440 |
for (i = 0; i < SPA_DVAS_PER_BP; i++) {
|
|
| 1732 | 441 |
dva_t *dva = &bp.blk_dva[i]; |
442 |
mdb_printf("DVA[%d]: GANG: %-5s GRID: %2x ASIZE: %5x "
|
|
443 |
"vdev %llu offset %llx\n", |
|
444 |
i, |
|
445 |
DVA_GET_GANG(dva) ? "TRUE" : "FALSE", |
|
446 |
DVA_GET_GRID(dva), |
|
447 |
DVA_GET_ASIZE(dva), |
|
448 |
DVA_GET_VDEV(dva), |
|
449 |
DVA_GET_OFFSET(dva)); |
|
| 789 | 450 |
} |
451 |
mdb_printf("LSIZE: %-16llx\t\tPSIZE: %llx\n",
|
|
452 |
BP_GET_LSIZE(&bp), BP_GET_PSIZE(&bp)); |
|
| 1732 | 453 |
mdb_printf("ENDIAN: %-6s TYPE: %s\n",
|
| 789 | 454 |
BP_GET_BYTEORDER(&bp) ? "LITTLE" : "BIG", |
455 |
doti[BP_GET_TYPE(&bp)].ot_name); |
|
456 |
mdb_printf("BIRTH: %-16llx LEVEL: %-2d\tFILL: %llx\n",
|
|
457 |
bp.blk_birth, BP_GET_LEVEL(&bp), bp.blk_fill); |
|
458 |
mdb_printf("CKFUNC: %-16s\t\tCOMP: %s\n",
|
|
459 |
zci[BP_GET_CHECKSUM(&bp)].ci_name, |
|
460 |
zct[BP_GET_COMPRESS(&bp)].ci_name); |
|
461 |
mdb_printf("CKSUM: %llx:%llx:%llx:%llx\n",
|
|
462 |
bp.blk_cksum.zc_word[0], |
|
463 |
bp.blk_cksum.zc_word[1], |
|
464 |
bp.blk_cksum.zc_word[2], |
|
465 |
bp.blk_cksum.zc_word[3]); |
|
466 |
||
467 |
return (DCMD_OK); |
|
468 |
} |
|
469 |
||
470 |
/* ARGSUSED */ |
|
471 |
static int |
|
472 |
dbuf(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) |
|
473 |
{
|
|
474 |
mdb_ctf_id_t id; |
|
475 |
dmu_buf_t db; |
|
476 |
uintptr_t objset; |
|
477 |
uint8_t level; |
|
478 |
uint64_t blkid; |
|
479 |
uint64_t holds; |
|
480 |
char objectname[32]; |
|
481 |
char blkidname[32]; |
|
482 |
char path[MAXNAMELEN]; |
|
483 |
||
484 |
if (DCMD_HDRSPEC(flags)) {
|
|
485 |
mdb_printf(" addr object lvl blkid holds os\n");
|
|
486 |
} |
|
487 |
||
488 |
if (mdb_ctf_lookup_by_name("struct dmu_buf_impl", &id) == -1) {
|
|
489 |
mdb_warn("couldn't find struct dmu_buf_impl_t");
|
|
490 |
return (DCMD_ERR); |
|
491 |
} |
|
492 |
||
493 |
if (GETMEMBID(addr, &id, db_objset, objset) || |
|
494 |
GETMEMBID(addr, &id, db, db) || |
|
495 |
GETMEMBID(addr, &id, db_level, level) || |
|
496 |
GETMEMBID(addr, &id, db_blkid, blkid)) {
|
|
497 |
return (WALK_ERR); |
|
498 |
} |
|
499 |
||
500 |
if (getrefcount(addr, &id, "db_holds", &holds)) {
|
|
501 |
return (WALK_ERR); |
|
502 |
} |
|
503 |
||
504 |
if (db.db_object == DMU_META_DNODE_OBJECT) |
|
505 |
(void) strcpy(objectname, "mdn"); |
|
506 |
else |
|
507 |
(void) mdb_snprintf(objectname, sizeof (objectname), "%llx", |
|
508 |
(u_longlong_t)db.db_object); |
|
509 |
||
510 |
if (blkid == DB_BONUS_BLKID) |
|
511 |
(void) strcpy(blkidname, "bonus"); |
|
512 |
else |
|
513 |
(void) mdb_snprintf(blkidname, sizeof (blkidname), "%llx", |
|
514 |
(u_longlong_t)blkid); |
|
515 |
||
516 |
if (objset_name(objset, path)) {
|
|
517 |
return (WALK_ERR); |
|
518 |
} |
|
519 |
||
520 |
mdb_printf("%p %8s %1u %9s %2llu %s\n",
|
|
521 |
addr, objectname, level, blkidname, holds, path); |
|
522 |
||
523 |
return (DCMD_OK); |
|
524 |
} |
|
525 |
||
526 |
/* ARGSUSED */ |
|
527 |
static int |
|
528 |
dbuf_stats(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) |
|
529 |
{
|
|
530 |
#define HISTOSZ 32 |
|
531 |
uintptr_t dbp; |
|
532 |
dmu_buf_impl_t db; |
|
533 |
dbuf_hash_table_t ht; |
|
534 |
uint64_t bucket, ndbufs; |
|
535 |
uint64_t histo[HISTOSZ]; |
|
536 |
uint64_t histo2[HISTOSZ]; |
|
537 |
int i, maxidx; |
|
538 |
||
539 |
if (mdb_readvar(&ht, "dbuf_hash_table") == -1) {
|
|
540 |
mdb_warn("failed to read 'dbuf_hash_table'");
|
|
541 |
return (DCMD_ERR); |
|
542 |
} |
|
543 |
||
544 |
for (i = 0; i < HISTOSZ; i++) {
|
|
545 |
histo[i] = 0; |
|
546 |
histo2[i] = 0; |
|
547 |
} |
|
548 |
||
549 |
ndbufs = 0; |
|
550 |
for (bucket = 0; bucket < ht.hash_table_mask+1; bucket++) {
|
|
551 |
int len; |
|
552 |
||
553 |
if (mdb_vread(&dbp, sizeof (void *), |
|
554 |
(uintptr_t)(ht.hash_table+bucket)) == -1) {
|
|
555 |
mdb_warn("failed to read hash bucket %u at %p",
|
|
556 |
bucket, ht.hash_table+bucket); |
|
557 |
return (DCMD_ERR); |
|
558 |
} |
|
559 |
||
560 |
len = 0; |
|
561 |
while (dbp != 0) {
|
|
562 |
if (mdb_vread(&db, sizeof (dmu_buf_impl_t), |
|
563 |
dbp) == -1) {
|
|
564 |
mdb_warn("failed to read dbuf at %p", dbp);
|
|
565 |
return (DCMD_ERR); |
|
566 |
} |
|
567 |
dbp = (uintptr_t)db.db_hash_next; |
|
568 |
for (i = MIN(len, HISTOSZ - 1); i >= 0; i--) |
|
569 |
histo2[i]++; |
|
570 |
len++; |
|
571 |
ndbufs++; |
|
572 |
} |
|
573 |
||
574 |
if (len >= HISTOSZ) |
|
575 |
len = HISTOSZ-1; |
|
576 |
histo[len]++; |
|
577 |
} |
|
578 |
||
579 |
mdb_printf("hash table has %llu buckets, %llu dbufs "
|
|
580 |
"(avg %llu buckets/dbuf)\n", |
|
581 |
ht.hash_table_mask+1, ndbufs, |
|
582 |
(ht.hash_table_mask+1)/ndbufs); |
|
583 |
||
584 |
mdb_printf("\n");
|
|
585 |
maxidx = 0; |
|
586 |
for (i = 0; i < HISTOSZ; i++) |
|
587 |
if (histo[i] > 0) |
|
588 |
maxidx = i; |
|
589 |
mdb_printf("hash chain length number of buckets\n");
|
|
590 |
for (i = 0; i <= maxidx; i++) |
|
591 |
mdb_printf("%u %llu\n", i, histo[i]);
|
|
592 |
||
593 |
mdb_printf("\n");
|
|
594 |
maxidx = 0; |
|
595 |
for (i = 0; i < HISTOSZ; i++) |
|
596 |
if (histo2[i] > 0) |
|
597 |
maxidx = i; |
|
598 |
mdb_printf("hash chain depth number of dbufs\n");
|
|
599 |
for (i = 0; i <= maxidx; i++) |
|
600 |
mdb_printf("%u or more %llu %llu%%\n",
|
|
601 |
i, histo2[i], histo2[i]*100/ndbufs); |
|
602 |
||
603 |
||
604 |
return (DCMD_OK); |
|
605 |
} |
|
606 |
||
607 |
typedef struct dbufs_data {
|
|
608 |
mdb_ctf_id_t id; |
|
609 |
uint64_t objset; |
|
610 |
uint64_t object; |
|
611 |
uint64_t level; |
|
612 |
uint64_t blkid; |
|
613 |
char *osname; |
|
614 |
} dbufs_data_t; |
|
615 |
||
616 |
#define DBUFS_UNSET (0xbaddcafedeadbeefULL) |
|
617 |
||
618 |
/* ARGSUSED */ |
|
619 |
static int |
|
620 |
dbufs_cb(uintptr_t addr, const void *unknown, void *arg) |
|
621 |
{
|
|
622 |
dbufs_data_t *data = arg; |
|
623 |
uintptr_t objset; |
|
624 |
dmu_buf_t db; |
|
625 |
uint8_t level; |
|
626 |
uint64_t blkid; |
|
627 |
char osname[MAXNAMELEN]; |
|
628 |
||
629 |
if (GETMEMBID(addr, &data->id, db_objset, objset) || |
|
630 |
GETMEMBID(addr, &data->id, db, db) || |
|
631 |
GETMEMBID(addr, &data->id, db_level, level) || |
|
632 |
GETMEMBID(addr, &data->id, db_blkid, blkid)) {
|
|
633 |
return (WALK_ERR); |
|
634 |
} |
|
635 |
||
636 |
if ((data->objset == DBUFS_UNSET || data->objset == objset) && |
|
637 |
(data->osname == NULL || (objset_name(objset, osname) == 0 && |
|
638 |
strcmp(data->osname, osname) == 0)) && |
|
639 |
(data->object == DBUFS_UNSET || data->object == db.db_object) && |
|
640 |
(data->level == DBUFS_UNSET || data->level == level) && |
|
641 |
(data->blkid == DBUFS_UNSET || data->blkid == blkid)) {
|
|
642 |
mdb_printf("%#lr\n", addr);
|
|
643 |
} |
|
644 |
return (WALK_NEXT); |
|
645 |
} |
|
646 |
||
647 |
/* ARGSUSED */ |
|
648 |
static int |
|
649 |
dbufs(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) |
|
650 |
{
|
|
651 |
dbufs_data_t data; |
|
652 |
char *object = NULL; |
|
653 |
char *blkid = NULL; |
|
654 |
||
655 |
data.objset = data.object = data.level = data.blkid = DBUFS_UNSET; |
|
656 |
data.osname = NULL; |
|
657 |
||
658 |
if (mdb_getopts(argc, argv, |
|
659 |
'O', MDB_OPT_UINT64, &data.objset, |
|
660 |
'n', MDB_OPT_STR, &data.osname, |
|
661 |
'o', MDB_OPT_STR, &object, |
|
662 |
'l', MDB_OPT_UINT64, &data.level, |
|
663 |
'b', MDB_OPT_STR, &blkid) != argc) {
|
|
664 |
return (DCMD_USAGE); |
|
665 |
} |
|
666 |
||
667 |
if (object) {
|
|
668 |
if (strcmp(object, "mdn") == 0) {
|
|
669 |
data.object = DMU_META_DNODE_OBJECT; |
|
670 |
} else {
|
|
671 |
data.object = mdb_strtoull(object); |
|
672 |
} |
|
673 |
} |
|
674 |
||
675 |
if (blkid) {
|
|
676 |
if (strcmp(blkid, "bonus") == 0) {
|
|
677 |
data.blkid = DB_BONUS_BLKID; |
|
678 |
} else {
|
|
679 |
data.blkid = mdb_strtoull(blkid); |
|
680 |
} |
|
681 |
} |
|
682 |
||
683 |
if (mdb_ctf_lookup_by_name("struct dmu_buf_impl", &data.id) == -1) {
|
|
684 |
mdb_warn("couldn't find struct dmu_buf_impl_t");
|
|
685 |
return (DCMD_ERR); |
|
686 |
} |
|
687 |
||
688 |
if (mdb_pwalk("dbufs", dbufs_cb, &data, 0) != 0) {
|
|
689 |
mdb_warn("can't walk dbufs");
|
|
690 |
return (DCMD_ERR); |
|
691 |
} |
|
692 |
||
693 |
return (DCMD_OK); |
|
694 |
} |
|
695 |
||
696 |
typedef struct abuf_find_data {
|
|
697 |
dva_t dva; |
|
698 |
mdb_ctf_id_t id; |
|
699 |
} abuf_find_data_t; |
|
700 |
||
701 |
/* ARGSUSED */ |
|
702 |
static int |
|
703 |
abuf_find_cb(uintptr_t addr, const void *unknown, void *arg) |
|
704 |
{
|
|
705 |
abuf_find_data_t *data = arg; |
|
706 |
dva_t dva; |
|
707 |
||
708 |
if (GETMEMBID(addr, &data->id, b_dva, dva)) {
|
|
709 |
return (WALK_ERR); |
|
710 |
} |
|
711 |
||
712 |
if (dva.dva_word[0] == data->dva.dva_word[0] && |
|
713 |
dva.dva_word[1] == data->dva.dva_word[1]) {
|
|
714 |
mdb_printf("%#lr\n", addr);
|
|
715 |
} |
|
716 |
return (WALK_NEXT); |
|
717 |
} |
|
718 |
||
719 |
/* ARGSUSED */ |
|
720 |
static int |
|
721 |
abuf_find(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) |
|
722 |
{
|
|
723 |
abuf_find_data_t data; |
|
724 |
GElf_Sym sym; |
|
725 |
int i; |
|
726 |
const char *syms[] = {
|
|
727 |
"ARC_mru_top", |
|
728 |
"ARC_mru_bot", |
|
729 |
"ARC_mfu_top", |
|
730 |
"ARC_mfu_bot", |
|
731 |
}; |
|
732 |
||
733 |
if (argc != 2) |
|
734 |
return (DCMD_USAGE); |
|
735 |
||
736 |
for (i = 0; i < 2; i ++) {
|
|
737 |
switch (argv[i].a_type) {
|
|
738 |
case MDB_TYPE_STRING: |
|
739 |
data.dva.dva_word[i] = mdb_strtoull(argv[i].a_un.a_str); |
|
740 |
break; |
|
741 |
case MDB_TYPE_IMMEDIATE: |
|
742 |
data.dva.dva_word[i] = argv[i].a_un.a_val; |
|
743 |
break; |
|
744 |
default: |
|
745 |
return (DCMD_USAGE); |
|
746 |
} |
|
747 |
} |
|
748 |
||
749 |
if (mdb_ctf_lookup_by_name("struct arc_buf_hdr", &data.id) == -1) {
|
|
750 |
mdb_warn("couldn't find struct arc_buf_hdr");
|
|
751 |
return (DCMD_ERR); |
|
752 |
} |
|
753 |
||
754 |
for (i = 0; i < sizeof (syms) / sizeof (syms[0]); i++) {
|
|
755 |
if (mdb_lookup_by_name(syms[i], &sym)) {
|
|
756 |
mdb_warn("can't find symbol %s", syms[i]);
|
|
757 |
return (DCMD_ERR); |
|
758 |
} |
|
759 |
||
760 |
if (mdb_pwalk("list", abuf_find_cb, &data, sym.st_value) != 0) {
|
|
761 |
mdb_warn("can't walk %s", syms[i]);
|
|
762 |
return (DCMD_ERR); |
|
763 |
} |
|
764 |
} |
|
765 |
||
766 |
return (DCMD_OK); |
|
767 |
} |
|
768 |
||
769 |
void |
|
770 |
abuf_help(void) |
|
771 |
{
|
|
772 |
mdb_printf("::abuf_find dva_word[0] dva_word[1]\n");
|
|
773 |
} |
|
774 |
||
775 |
/* |
|
776 |
* ::spa |
|
777 |
* |
|
778 |
* -c Print configuration information as well |
|
779 |
* -v Print vdev state |
|
780 |
* -e Print vdev error stats |
|
781 |
* |
|
782 |
* Print a summarized spa_t. When given no arguments, prints out a table of all |
|
783 |
* active pools on the system. |
|
784 |
*/ |
|
785 |
/* ARGSUSED */ |
|
786 |
static int |
|
787 |
spa_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) |
|
788 |
{
|
|
789 |
spa_t spa; |
|
790 |
char poolname[MAXNAMELEN]; |
|
791 |
const char *statetab[] = { "ACTIVE", "EXPORTED", "DESTROYED",
|
|
792 |
"UNINIT", "UNAVAIL" }; |
|
793 |
const char *state; |
|
794 |
int config = FALSE; |
|
795 |
int vdevs = FALSE; |
|
796 |
int errors = FALSE; |
|
797 |
||
798 |
if (mdb_getopts(argc, argv, |
|
799 |
'c', MDB_OPT_SETBITS, TRUE, &config, |
|
800 |
'v', MDB_OPT_SETBITS, TRUE, &vdevs, |
|
801 |
'e', MDB_OPT_SETBITS, TRUE, &errors, |
|
802 |
NULL) != argc) |
|
803 |
return (DCMD_USAGE); |
|
804 |
||
805 |
if (!(flags & DCMD_ADDRSPEC)) {
|
|
806 |
if (mdb_walk_dcmd("spa", "spa", argc, argv) == -1) {
|
|
807 |
mdb_warn("can't walk spa");
|
|
808 |
return (DCMD_ERR); |
|
809 |
} |
|
810 |
||
811 |
return (DCMD_OK); |
|
812 |
} |
|
813 |
||
814 |
if (flags & DCMD_PIPE_OUT) {
|
|
815 |
mdb_printf("%#lr\n", addr);
|
|
816 |
return (DCMD_OK); |
|
817 |
} |
|
818 |
||
819 |
if (DCMD_HDRSPEC(flags)) |
|
820 |
mdb_printf("%<u>%-?s %9s %-*s%</u>\n", "ADDR", "STATE",
|
|
821 |
sizeof (uintptr_t) == 4 ? 60 : 52, "NAME"); |
|
822 |
||
823 |
if (mdb_vread(&spa, sizeof (spa), addr) == -1) {
|
|
824 |
mdb_warn("failed to read spa_t at %p", addr);
|
|
825 |
return (DCMD_ERR); |
|
826 |
} |
|
827 |
||
828 |
if (mdb_readstr(poolname, sizeof (poolname), (uintptr_t)spa.spa_name) |
|
829 |
== -1) {
|
|
830 |
mdb_warn("failed to read pool name at %p", spa.spa_name);
|
|
831 |
return (DCMD_ERR); |
|
832 |
} |
|
833 |
||
834 |
if (spa.spa_state < 0 || spa.spa_state > POOL_STATE_UNAVAIL) |
|
| 1544 | 835 |
state = "UNKNOWN"; |
| 789 | 836 |
else |
837 |
state = statetab[spa.spa_state]; |
|
838 |
||
839 |
mdb_printf("%0?p %9s %s\n", addr, state, poolname);
|
|
840 |
||
841 |
if (config) {
|
|
842 |
mdb_printf("\n");
|
|
843 |
mdb_inc_indent(4); |
|
844 |
if (mdb_call_dcmd("spa_config", addr, flags, 0,
|
|
845 |
NULL) != DCMD_OK) |
|
846 |
return (DCMD_ERR); |
|
847 |
mdb_dec_indent(4); |
|
848 |
} |
|
849 |
||
850 |
if (vdevs || errors) {
|
|
851 |
mdb_arg_t v; |
|
852 |
||
853 |
v.a_type = MDB_TYPE_STRING; |
|
854 |
v.a_un.a_str = "-e"; |
|
855 |
||
856 |
mdb_printf("\n");
|
|
857 |
mdb_inc_indent(4); |
|
858 |
if (mdb_call_dcmd("spa_vdevs", addr, flags, errors ? 1 : 0,
|
|
859 |
&v) != DCMD_OK) |
|
860 |
return (DCMD_ERR); |
|
861 |
mdb_dec_indent(4); |
|
862 |
} |
|
863 |
||
864 |
return (DCMD_OK); |
|
865 |
} |
|
866 |
||
867 |
/* |
|
868 |
* ::spa_config |
|
869 |
* |
|
870 |
* Given a spa_t, print the configuration information stored in spa_config. |
|
871 |
* Since it's just an nvlist, format it as an indented list of name=value pairs. |
|
872 |
* We simply read the value of spa_config and pass off to ::nvlist. |
|
873 |
*/ |
|
874 |
/* ARGSUSED */ |
|
875 |
static int |
|
876 |
spa_print_config(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) |
|
877 |
{
|
|
878 |
spa_t spa; |
|
879 |
||
880 |
if (argc != 0 || !(flags & DCMD_ADDRSPEC)) |
|
881 |
return (DCMD_USAGE); |
|
882 |
||
883 |
if (mdb_vread(&spa, sizeof (spa), addr) == -1) {
|
|
884 |
mdb_warn("failed to read spa_t at %p", addr);
|
|
885 |
return (DCMD_ERR); |
|
886 |
} |
|
887 |
||
888 |
if (spa.spa_config == NULL) {
|
|
889 |
mdb_printf("(none)\n");
|
|
890 |
return (DCMD_OK); |
|
891 |
} |
|
892 |
||
893 |
return (mdb_call_dcmd("nvlist", (uintptr_t)spa.spa_config, flags,
|
|
894 |
0, NULL)); |
|
895 |
} |
|
896 |
||
897 |
void |
|
898 |
vdev_help(void) |
|
899 |
{
|
|
900 |
mdb_printf("[vdev_t*]::vdev [-qr]\n"
|
|
901 |
"\t-> -q display vdev_queue parameters\n" |
|
902 |
"\t-> -r recursive (visit all children)\n"); |
|
903 |
} |
|
904 |
||
905 |
/* |
|
906 |
* ::vdev |
|
907 |
* |
|
908 |
* Print out a summarized vdev_t, in the following form: |
|
909 |
* |
|
910 |
* ADDR STATE AUX DESC |
|
911 |
* fffffffbcde23df0 HEALTHY - /dev/dsk/c0t0d0 |
|
912 |
* |
|
913 |
* or with "-q" to print out a vdev_t's vdev_queue parameters: |
|
914 |
* |
|
915 |
* vdev_t: c26ae4c0 |
|
916 |
* c26ae73c min pending 0x2 |
|
917 |
* c26ae744 max pending 0x23 |
|
918 |
* c26ae74c agg limit 0x20000 |
|
919 |
* c26ae754 time shift 0x4 |
|
920 |
* c26ae75c ramp rate 0x2 |
|
921 |
* |
|
922 |
* If '-r' is specified, recursively visit all children. |
|
923 |
* |
|
924 |
* With '-e', the statistics associated with the vdev are printed as well. |
|
925 |
*/ |
|
926 |
static int |
|
927 |
do_print_vdev(uintptr_t addr, int flags, int depth, int queue, int stats, |
|
928 |
int recursive) |
|
929 |
{
|
|
930 |
vdev_t vdev; |
|
931 |
char desc[MAXNAMELEN]; |
|
932 |
int c, children; |
|
933 |
uintptr_t *child; |
|
934 |
const char *state, *aux; |
|
935 |
||
936 |
if (mdb_vread(&vdev, sizeof (vdev), (uintptr_t)addr) == -1) {
|
|
937 |
mdb_warn("failed to read vdev_t at %p\n", (uintptr_t)addr);
|
|
938 |
return (DCMD_ERR); |
|
939 |
} |
|
940 |
||
941 |
if (flags & DCMD_PIPE_OUT) {
|
|
942 |
mdb_printf("%#lr", addr);
|
|
943 |
} else {
|
|
944 |
if (vdev.vdev_path != NULL) {
|
|
945 |
if (mdb_readstr(desc, sizeof (desc), |
|
946 |
(uintptr_t)vdev.vdev_path) == -1) {
|
|
947 |
mdb_warn("failed to read vdev_path at %p\n",
|
|
948 |
vdev.vdev_path); |
|
949 |
return (DCMD_ERR); |
|
950 |
} |
|
951 |
} else if (vdev.vdev_ops != NULL) {
|
|
952 |
vdev_ops_t ops; |
|
953 |
if (mdb_vread(&ops, sizeof (ops), |
|
954 |
(uintptr_t)vdev.vdev_ops) == -1) {
|
|
955 |
mdb_warn("failed to read vdev_ops at %p\n",
|
|
956 |
vdev.vdev_ops); |
|
957 |
return (DCMD_ERR); |
|
958 |
} |
|
959 |
(void) strcpy(desc, ops.vdev_op_type); |
|
960 |
} else {
|
|
961 |
(void) strcpy(desc, "<unknown>"); |
|
962 |
} |
|
963 |
||
964 |
if (depth == 0 && DCMD_HDRSPEC(flags)) |
|
965 |
mdb_printf("%<u>%-?s %-9s %-12s %-*s%</u>\n",
|
|
966 |
"ADDR", "STATE", "AUX", |
|
967 |
sizeof (uintptr_t) == 4 ? 43 : 35, |
|
968 |
"DESCRIPTION"); |
|
969 |
||
970 |
mdb_printf("%0?p ", addr);
|
|
971 |
||
972 |
switch (vdev.vdev_state) {
|
|
973 |
case VDEV_STATE_CLOSED: |
|
974 |
state = "CLOSED"; |
|
975 |
break; |
|
976 |
case VDEV_STATE_OFFLINE: |
|
977 |
state = "OFFLINE"; |
|
978 |
break; |
|
979 |
case VDEV_STATE_CANT_OPEN: |
|
980 |
state = "CANT_OPEN"; |
|
981 |
break; |
|
982 |
case VDEV_STATE_DEGRADED: |
|
983 |
state = "DEGRADED"; |
|
984 |
break; |
|
985 |
case VDEV_STATE_HEALTHY: |
|
986 |
state = "HEALTHY"; |
|
987 |
break; |
|
988 |
default: |
|
989 |
state = "UNKNOWN"; |
|
990 |
break; |
|
991 |
} |
|
992 |
||
993 |
switch (vdev.vdev_stat.vs_aux) {
|
|
994 |
case VDEV_AUX_NONE: |
|
995 |
aux = "-"; |
|
996 |
break; |
|
997 |
case VDEV_AUX_OPEN_FAILED: |
|
998 |
aux = "OPEN_FAILED"; |
|
999 |
break; |
|
1000 |
case VDEV_AUX_CORRUPT_DATA: |
|
1001 |
aux = "CORRUPT_DATA"; |
|
1002 |
break; |
|
1003 |
case VDEV_AUX_NO_REPLICAS: |
|
1004 |
aux = "NO_REPLICAS"; |
|
1005 |
break; |
|
1006 |
case VDEV_AUX_BAD_GUID_SUM: |
|
1007 |
aux = "BAD_GUID_SUM"; |
|
1008 |
break; |
|
1009 |
case VDEV_AUX_TOO_SMALL: |
|
1010 |
aux = "TOO_SMALL"; |
|
1011 |
break; |
|
1012 |
case VDEV_AUX_BAD_LABEL: |
|
1013 |
aux = "BAD_LABEL"; |
|
1014 |
break; |
|
1015 |
default: |
|
1016 |
aux = "UNKNOWN"; |
|
1017 |
break; |
|
1018 |
} |
|
1019 |
||
1020 |
mdb_printf("%-9s %-12s %*s%s\n", state, aux, depth, "", desc);
|
|
1021 |
||
1022 |
if (queue) {
|
|
1023 |
mdb_inc_indent(4); |
|
1024 |
mdb_printf("\n");
|
|
1025 |
mdb_printf("%p min pending 0x%llx\n",
|
|
1026 |
(uintptr_t)(addr + offsetof(vdev_t, |
|
1027 |
vdev_queue.vq_min_pending)), |
|
1028 |
vdev.vdev_queue.vq_min_pending); |
|
1029 |
mdb_printf("%p max pending 0x%llx\n",
|
|
1030 |
(uintptr_t)(addr + offsetof(vdev_t, |
|
1031 |
vdev_queue.vq_max_pending)), |
|
1032 |
vdev.vdev_queue.vq_max_pending); |
|
1033 |
mdb_printf("%p agg limit 0x%llx\n",
|
|
1034 |
(uintptr_t)(addr + offsetof(vdev_t, |
|
1035 |
vdev_queue.vq_agg_limit)), |
|
1036 |
vdev.vdev_queue.vq_agg_limit); |
|
1037 |
mdb_printf("%p time shift 0x%llx\n",
|
|
1038 |
(uintptr_t)(addr + offsetof(vdev_t, |
|
1039 |
vdev_queue.vq_time_shift)), |
|
1040 |
vdev.vdev_queue.vq_time_shift); |
|
1041 |
mdb_printf("%p ramp rate 0x%llx\n",
|
|
1042 |
(uintptr_t)(addr + offsetof(vdev_t, |
|
1043 |
vdev_queue.vq_ramp_rate)), |
|
1044 |
vdev.vdev_queue.vq_ramp_rate); |
|
1045 |
mdb_dec_indent(4); |
|
1046 |
} |
|
1047 |
||
1048 |
if (stats) {
|
|
1049 |
vdev_stat_t *vs = &vdev.vdev_stat; |
|
1050 |
int i; |
|
1051 |
||
1052 |
mdb_inc_indent(4); |
|
1053 |
mdb_printf("\n");
|
|
1054 |
mdb_printf("%<u> %12s %12s %12s %12s "
|
|
1055 |
"%12s%</u>\n", "READ", "WRITE", "FREE", "CLAIM", |
|
1056 |
"IOCTL"); |
|
1057 |
mdb_printf("OPS ");
|
|
1058 |
for (i = 1; i < ZIO_TYPES; i++) |
|
1059 |
mdb_printf("%11#llx%s", vs->vs_ops[i],
|
|
1060 |
i == ZIO_TYPES - 1 ? "" : " "); |
|
1061 |
mdb_printf("\n");
|
|
1062 |
mdb_printf("BYTES ");
|
|
1063 |
for (i = 1; i < ZIO_TYPES; i++) |
|
1064 |
mdb_printf("%11#llx%s", vs->vs_bytes[i],
|
|
1065 |
i == ZIO_TYPES - 1 ? "" : " "); |
|
1066 |
||
1067 |
||
1068 |
mdb_printf("\n");
|
|
1069 |
mdb_printf("EREAD %10#llx\n", vs->vs_read_errors);
|
|
1070 |
mdb_printf("EWRITE %10#llx\n", vs->vs_write_errors);
|
|
1071 |
mdb_printf("ECKSUM %10#llx\n",
|
|
1072 |
vs->vs_checksum_errors); |
|
1073 |
mdb_dec_indent(4); |
|
1074 |
} |
|
1075 |
||
1076 |
if (queue || stats) |
|
1077 |
mdb_printf("\n");
|
|
1078 |
} |
|
1079 |
||
1080 |
children = vdev.vdev_children; |
|
1081 |
||
1082 |
if (children == 0 || !recursive) |
|
1083 |
return (DCMD_OK); |
|
1084 |
||
1085 |
child = mdb_alloc(children * sizeof (void *), UM_SLEEP | UM_GC); |
|
1086 |
if (mdb_vread(child, children * sizeof (void *), |
|
1087 |
(uintptr_t)vdev.vdev_child) == -1) {
|
|
1088 |
mdb_warn("failed to read vdev children at %p", vdev.vdev_child);
|
|
1089 |
return (DCMD_ERR); |
|
1090 |
} |
|
1091 |
||
1092 |
for (c = 0; c < children; c++) {
|
|
1093 |
if (do_print_vdev(child[c], flags, depth + 2, queue, stats, |
|
1094 |
recursive)) |
|
1095 |
return (DCMD_ERR); |
|
1096 |
} |
|
1097 |
||
1098 |
return (DCMD_OK); |
|
1099 |
} |
|
1100 |
||
1101 |
static int |
|
1102 |
vdev_print(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) |
|
1103 |
{
|
|
1104 |
int print_queue = FALSE; |
|
1105 |
int recursive = FALSE; |
|
1106 |
int stats = FALSE; |
|
1107 |
||
1108 |
if (mdb_getopts(argc, argv, |
|
1109 |
'q', MDB_OPT_SETBITS, TRUE, &print_queue, |
|
1110 |
'r', MDB_OPT_SETBITS, TRUE, &recursive, |
|
1111 |
'e', MDB_OPT_SETBITS, TRUE, &stats, |
|
1112 |
NULL) != argc) |
|
1113 |
return (DCMD_USAGE); |
|
1114 |
||
1115 |
if (!(flags & DCMD_ADDRSPEC)) {
|
|
1116 |
mdb_warn("no vdev_t address given\n");
|
|
1117 |
return (DCMD_ERR); |
|
1118 |
} |
|
1119 |
||
1120 |
return (do_print_vdev(addr, flags, 0, print_queue, stats, recursive)); |
|
1121 |
} |
|
1122 |
||
1123 |
typedef struct mdb_spa {
|
|
1124 |
uintptr_t spa_dsl_pool; |
|
1125 |
uintptr_t spa_root_vdev; |
|
1126 |
} mdb_spa_t; |
|
1127 |
||
1128 |
typedef struct mdb_dsl_dir {
|
|
1129 |
uintptr_t dd_phys; |
|
1130 |
uint64_t dd_used_bytes; |
|
1131 |
int64_t dd_space_towrite[TXG_SIZE]; |
|
1132 |
} mdb_dsl_dir_t; |
|
1133 |
||
1134 |
typedef struct mdb_dsl_dir_phys {
|
|
1135 |
uint64_t dd_used_bytes; |
|
1136 |
uint64_t dd_compressed_bytes; |
|
1137 |
uint64_t dd_uncompressed_bytes; |
|
1138 |
} mdb_dsl_dir_phys_t; |
|
1139 |
||
1140 |
typedef struct mdb_vdev {
|
|
1141 |
uintptr_t vdev_parent; |
|
1142 |
uintptr_t vdev_ms; |
|
1143 |
uint64_t vdev_ms_count; |
|
1144 |
vdev_stat_t vdev_stat; |
|
1145 |
} mdb_vdev_t; |
|
1146 |
||
1147 |
typedef struct mdb_metaslab {
|
|
1148 |
space_map_t ms_allocmap[TXG_SIZE]; |
|
1149 |
space_map_t ms_freemap[TXG_SIZE]; |
|
1150 |
space_map_t ms_map; |
|
| 1732 | 1151 |
space_map_obj_t ms_smo; |
| 789 | 1152 |
} mdb_metaslab_t; |
1153 |
||
1154 |
/* |
|
1155 |
* ::spa_space [-b] |
|
1156 |
* |
|
1157 |
* Given a spa_t, print out it's on-disk space usage and in-core |
|
1158 |
* estimates of future usage. If -b is given, print space in bytes. |
|
1159 |
* Otherwise print in megabytes. |
|
1160 |
*/ |
|
1161 |
/* ARGSUSED */ |
|
1162 |
static int |
|
1163 |
spa_space(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) |
|
1164 |
{
|
|
1165 |
mdb_spa_t spa; |
|
1166 |
uintptr_t dp_root_dir; |
|
1167 |
mdb_dsl_dir_t dd; |
|
1168 |
mdb_dsl_dir_phys_t dsp; |
|
1169 |
uint64_t children; |
|
1170 |
uintptr_t childaddr; |
|
1171 |
uintptr_t *child; |
|
1172 |
uint64_t ms_allocmap[TXG_SIZE] = {0, 0, 0, 0};
|
|
1173 |
uint64_t ms_freemap[TXG_SIZE] = {0, 0, 0, 0};
|
|
1174 |
uint64_t ms_map = 0; |
|
| 1732 | 1175 |
uint64_t avail = 0; |
| 789 | 1176 |
int i, j; |
1177 |
int havecompressed = TRUE; |
|
1178 |
int shift = 20; |
|
1179 |
char *suffix = "M"; |
|
1180 |
int bits = FALSE; |
|
1181 |
||
1182 |
if (mdb_getopts(argc, argv, 'b', MDB_OPT_SETBITS, TRUE, &bits, NULL) != |
|
1183 |
argc) |
|
1184 |
return (DCMD_USAGE); |
|
1185 |
if (!(flags & DCMD_ADDRSPEC)) |
|
1186 |
return (DCMD_USAGE); |
|
1187 |
||
1188 |
if (bits) {
|
|
1189 |
shift = 0; |
|
1190 |
suffix = ""; |
|
1191 |
} |
|
1192 |
||
1193 |
if (GETMEMB(addr, struct spa, spa_dsl_pool, spa.spa_dsl_pool) || |
|
1194 |
GETMEMB(addr, struct spa, spa_root_vdev, spa.spa_root_vdev) || |
|
1195 |
GETMEMB(spa.spa_root_vdev, struct vdev, vdev_children, children) || |
|
1196 |
GETMEMB(spa.spa_root_vdev, struct vdev, vdev_child, childaddr) || |
|
1197 |
GETMEMB(spa.spa_dsl_pool, struct dsl_pool, |
|
1198 |
dp_root_dir, dp_root_dir) || |
|
1199 |
GETMEMB(dp_root_dir, struct dsl_dir, dd_phys, dd.dd_phys) || |
|
1200 |
GETMEMB(dp_root_dir, struct dsl_dir, |
|
1201 |
dd_used_bytes, dd.dd_used_bytes) || |
|
1202 |
GETMEMB(dp_root_dir, struct dsl_dir, |
|
1203 |
dd_space_towrite, dd.dd_space_towrite) || |
|
1204 |
GETMEMB(dd.dd_phys, struct dsl_dir_phys, |
|
1205 |
dd_used_bytes, dsp.dd_used_bytes)) {
|
|
1206 |
return (DCMD_ERR); |
|
1207 |
} |
|
1208 |
||
1209 |
if (GETMEMB(dd.dd_phys, struct dsl_dir_phys, |
|
1210 |
dd_compressed_bytes, dsp.dd_compressed_bytes) || |
|
1211 |
GETMEMB(dd.dd_phys, struct dsl_dir_phys, |
|
1212 |
dd_uncompressed_bytes, dsp.dd_uncompressed_bytes)) {
|
|
1213 |
havecompressed = FALSE; |
|
1214 |
} |
|
1215 |
||
1216 |
child = mdb_alloc(children * sizeof (void *), UM_SLEEP | UM_GC); |
|
1217 |
if (mdb_vread(child, children * sizeof (void *), childaddr) == -1) {
|
|
1218 |
mdb_warn("failed to read root vdev children at %p", childaddr);
|
|
1219 |
return (DCMD_ERR); |
|
1220 |
} |
|
1221 |
||
1222 |
mdb_printf("dd_space_towrite = %llu%s %llu%s %llu%s %llu%s\n",
|
|
1223 |
dd.dd_space_towrite[0] >> shift, suffix, |
|
1224 |
dd.dd_space_towrite[1] >> shift, suffix, |
|
1225 |
dd.dd_space_towrite[2] >> shift, suffix, |
|
1226 |
dd.dd_space_towrite[3] >> shift, suffix); |
|
1227 |
mdb_printf("dd_used_bytes = %llu%s\n",
|
|
1228 |
dd.dd_used_bytes >> shift, suffix); |
|
1229 |
||
1230 |
mdb_printf("dd_phys.dd_used_bytes = %llu%s\n",
|
|
1231 |
dsp.dd_used_bytes >> shift, suffix); |
|
1232 |
if (havecompressed) {
|
|
1233 |
mdb_printf("dd_phys.dd_compressed_bytes = %llu%s\n",
|
|
1234 |
dsp.dd_compressed_bytes >> shift, suffix); |
|
1235 |
mdb_printf("dd_phys.dd_uncompressed_bytes = %llu%s\n",
|
|
1236 |
dsp.dd_uncompressed_bytes >> shift, suffix); |
|
1237 |
} |
|
1238 |
||
1239 |
for (i = 0; i < children; i++) {
|
|
1240 |
mdb_vdev_t vd; |
|
1241 |
uintptr_t *vdev_ms; |
|
1242 |
||
1243 |
if (GETMEMB(child[i], struct vdev, |
|
1244 |
vdev_parent, vd.vdev_parent) || |
|
1245 |
GETMEMB(child[i], struct vdev, |
|
1246 |
vdev_stat, vd.vdev_stat) || |
|
1247 |
GETMEMB(child[i], struct vdev, vdev_ms, vd.vdev_ms) || |
|
1248 |
GETMEMB(child[i], struct vdev, |
|
1249 |
vdev_ms_count, vd.vdev_ms_count)) {
|
|
1250 |
return (DCMD_ERR); |
|
1251 |
} |
|
1252 |
||
1253 |
/* |
|
1254 |
* If this is the root vdev, its stats are the pool-wide stats. |
|
1255 |
*/ |
|
1256 |
if (vd.vdev_parent == NULL) {
|
|
1257 |
mdb_printf("pool_alloc = %llu%s\n",
|
|
1258 |
vd.vdev_stat.vs_alloc >> shift, suffix); |
|
1259 |
mdb_printf("pool_space = %llu%s\n",
|
|
1260 |
vd.vdev_stat.vs_space >> shift, suffix); |
|
1261 |
} |
|
1262 |
||
1263 |
/* |
|
1264 |
* If this is not a top-level vdev, it doesn't have space. |
|
1265 |
*/ |
|
1266 |
if (vd.vdev_parent != spa.spa_root_vdev) |
|
1267 |
continue; |
|
1268 |
||
1269 |
vdev_ms = mdb_alloc(vd.vdev_ms_count * sizeof (void*), |
|
1270 |
UM_SLEEP | UM_GC); |
|
1271 |
if (mdb_vread(vdev_ms, vd.vdev_ms_count * sizeof (void*), |
|
1272 |
(uintptr_t)vd.vdev_ms) == -1) {
|
|
1273 |
mdb_warn("failed to read vdev_ms at %p", vd.vdev_ms);
|
|
1274 |
return (DCMD_ERR); |
|
1275 |
} |
|
1276 |
||
1277 |
for (j = 0; j < vd.vdev_ms_count; j++) {
|
|
1278 |
mdb_metaslab_t ms; |
|
1279 |
||
1280 |
if (GETMEMB(vdev_ms[j], struct metaslab, |
|
1281 |
ms_allocmap, ms.ms_allocmap) || |
|
1282 |
GETMEMB(vdev_ms[j], struct metaslab, |
|
1283 |
ms_freemap, ms.ms_freemap) || |
|
1284 |
GETMEMB(vdev_ms[j], struct metaslab, |
|
1285 |
ms_map, ms.ms_map) || |
|
1286 |
GETMEMB(vdev_ms[j], struct metaslab, |
|
| 1732 | 1287 |
ms_smo, ms.ms_smo)) {
|
| 789 | 1288 |
return (DCMD_ERR); |
1289 |
} |
|
1290 |
||
1291 |
ms_allocmap[0] += ms.ms_allocmap[0].sm_space; |
|
1292 |
ms_allocmap[1] += ms.ms_allocmap[1].sm_space; |
|
1293 |
ms_allocmap[2] += ms.ms_allocmap[2].sm_space; |
|
1294 |
ms_allocmap[3] += ms.ms_allocmap[3].sm_space; |
|
1295 |
ms_freemap[0] += ms.ms_freemap[0].sm_space; |
|
1296 |
ms_freemap[1] += ms.ms_freemap[1].sm_space; |
|
1297 |
ms_freemap[2] += ms.ms_freemap[2].sm_space; |
|
1298 |
ms_freemap[3] += ms.ms_freemap[3].sm_space; |
|
1299 |
ms_map += ms.ms_map.sm_space; |
|
| 1732 | 1300 |
avail += ms.ms_map.sm_size - ms.ms_smo.smo_alloc; |
| 789 | 1301 |
} |
1302 |
} |
|
1303 |
||
1304 |
mdb_printf("ms_allocmap = %llu%s %llu%s %llu%s %llu%s\n",
|
|
1305 |
ms_allocmap[0] >> shift, suffix, |
|
1306 |
ms_allocmap[1] >> shift, suffix, |
|
1307 |
ms_allocmap[2] >> shift, suffix, |
|
1308 |
ms_allocmap[3] >> shift, suffix); |
|
1309 |
mdb_printf("ms_freemap = %llu%s %llu%s %llu%s %llu%s\n",
|
|
1310 |
ms_freemap[0] >> shift, suffix, |
|
1311 |
ms_freemap[1] >> shift, suffix, |
|
1312 |
ms_freemap[2] >> shift, suffix, |
|
1313 |
ms_freemap[3] >> shift, suffix); |
|
1314 |
mdb_printf("ms_map = %llu%s\n", ms_map >> shift, suffix);
|
|
| 1732 | 1315 |
mdb_printf("avail = %llu%s\n", avail >> shift, suffix);
|
| 789 | 1316 |
|
1317 |
return (DCMD_OK); |
|
1318 |
} |
|
1319 |
||
1320 |
/* |
|
1321 |
* ::spa_verify |
|
1322 |
* |
|
1323 |
* Given a spa_t, verify that that the pool is self-consistent. |
|
1324 |
* Currently, it only checks to make sure that the vdev tree exists. |
|
1325 |
*/ |
|
1326 |
/* ARGSUSED */ |
|
1327 |
static int |
|
1328 |
spa_verify(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) |
|
1329 |
{
|
|
1330 |
spa_t spa; |
|
1331 |
||
1332 |
if (argc != 0 || !(flags & DCMD_ADDRSPEC)) |
|
1333 |
return (DCMD_USAGE); |
|
1334 |
||
1335 |
if (mdb_vread(&spa, sizeof (spa), addr) == -1) {
|
|
1336 |
mdb_warn("failed to read spa_t at %p", addr);
|
|
1337 |
return (DCMD_ERR); |
|
1338 |
} |
|
1339 |
||
1340 |
if (spa.spa_root_vdev == NULL) {
|
|
1341 |
mdb_printf("no vdev tree present\n");
|
|
1342 |
return (DCMD_OK); |
|
1343 |
} |
|
1344 |
||
1345 |
return (DCMD_OK); |
|
1346 |
} |
|
1347 |
||
1348 |
/* |
|
1349 |
* ::spa_vdevs |
|
1350 |
* |
|
1351 |
* -e Include error stats |
|
1352 |
* |
|
1353 |
* Print out a summarized list of vdevs for the given spa_t. |
|
1354 |
* This is accomplished by invoking "::vdev -re" on the root vdev. |
|
1355 |
*/ |
|
1356 |
/* ARGSUSED */ |
|
1357 |
static int |
|
1358 |
spa_vdevs(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) |
|
1359 |
{
|
|
1360 |
spa_t spa; |
|
1361 |
mdb_arg_t v; |
|
1362 |
int errors = FALSE; |
|
1363 |
||
1364 |
if (mdb_getopts(argc, argv, |
|
1365 |
'e', MDB_OPT_SETBITS, TRUE, &errors, |
|
1366 |
NULL) != argc) |
|
1367 |
return (DCMD_USAGE); |
|
1368 |
||
1369 |
if (!(flags & DCMD_ADDRSPEC)) |
|
1370 |
return (DCMD_USAGE); |
|
1371 |
||
1372 |
if (mdb_vread(&spa, sizeof (spa), addr) == -1) {
|
|
1373 |
mdb_warn("failed to read spa_t at %p", addr);
|
|
1374 |
return (DCMD_ERR); |
|
1375 |
} |
|
1376 |
||
|
952
12ec54aa046e
6344502 placeholder bug for the remaining Makefile cleanup work for ZFS
eschrock
parents:
789
diff
changeset
|
1377 |
/* |
|
12ec54aa046e
6344502 placeholder bug for the remaining Makefile cleanup work for ZFS
eschrock
parents:
789
diff
changeset
|
1378 |
* 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
|
1379 |
*/ |
|
12ec54aa046e
6344502 placeholder bug for the remaining Makefile cleanup work for ZFS
eschrock
parents:
789
diff
changeset
|
1380 |
if (spa.spa_root_vdev == NULL) {
|
|
12ec54aa046e
6344502 placeholder bug for the remaining Makefile cleanup work for ZFS
eschrock
parents:
789
diff
changeset
|
1381 |
mdb_printf("no associated vdevs\n");
|
|
12ec54aa046e
6344502 placeholder bug for the remaining Makefile cleanup work for ZFS
eschrock
parents:
789
diff
changeset
|
1382 |
return (DCMD_OK); |
|
12ec54aa046e
6344502 placeholder bug for the remaining Makefile cleanup work for ZFS
eschrock
parents:
789
diff
changeset
|
1383 |
} |
|
12ec54aa046e
6344502 placeholder bug for the remaining Makefile cleanup work for ZFS
eschrock
parents:
789
diff
changeset
|
1384 |
|
| 789 | 1385 |
v.a_type = MDB_TYPE_STRING; |
1386 |
v.a_un.a_str = errors ? "-re" : "-r"; |
|
1387 |
||
1388 |
return (mdb_call_dcmd("vdev", (uintptr_t)spa.spa_root_vdev,
|
|
1389 |
flags, 1, &v)); |
|
1390 |
} |
|
1391 |
||
1392 |
typedef struct txg_list_walk_data {
|
|
1393 |
uintptr_t lw_head[TXG_SIZE]; |
|
1394 |
int lw_txgoff; |
|
1395 |
int lw_maxoff; |
|
1396 |
size_t lw_offset; |
|
1397 |
void *lw_obj; |
|
1398 |
} txg_list_walk_data_t; |
|
1399 |
||
1400 |
static int |
|
1401 |
txg_list_walk_init_common(mdb_walk_state_t *wsp, int txg, int maxoff) |
|
1402 |
{
|
|
1403 |
txg_list_walk_data_t *lwd; |
|
1404 |
txg_list_t list; |
|
1405 |
int i; |
|
1406 |
||
1407 |
lwd = mdb_alloc(sizeof (txg_list_walk_data_t), UM_SLEEP | UM_GC); |
|
1408 |
if (mdb_vread(&list, sizeof (txg_list_t), wsp->walk_addr) == -1) {
|
|
1409 |
mdb_warn("failed to read txg_list_t at %#lx", wsp->walk_addr);
|
|
1410 |
return (WALK_ERR); |
|
1411 |
} |
|
1412 |
||
1413 |
for (i = 0; i < TXG_SIZE; i++) |
|
1414 |
lwd->lw_head[i] = (uintptr_t)list.tl_head[i]; |
|
1415 |
lwd->lw_offset = list.tl_offset; |
|
1416 |
lwd->lw_obj = mdb_alloc(lwd->lw_offset + sizeof (txg_node_t), |
|
1417 |
UM_SLEEP | UM_GC); |
|
1418 |
lwd->lw_txgoff = txg; |
|
1419 |
lwd->lw_maxoff = maxoff; |
|
1420 |
||
1421 |
wsp->walk_addr = lwd->lw_head[lwd->lw_txgoff]; |
|
1422 |
wsp->walk_data = lwd; |
|
1423 |
||
1424 |
return (WALK_NEXT); |
|
1425 |
} |
|
1426 |
||
1427 |
static int |
|
1428 |
txg_list_walk_init(mdb_walk_state_t *wsp) |
|
1429 |
{
|
|
1430 |
return (txg_list_walk_init_common(wsp, 0, TXG_SIZE-1)); |
|
1431 |
} |
|
1432 |
||
1433 |
static int |
|
1434 |
txg_list0_walk_init(mdb_walk_state_t *wsp) |
|
1435 |
{
|
|
1436 |
return (txg_list_walk_init_common(wsp, 0, 0)); |
|
1437 |
} |
|
1438 |
||
1439 |
static int |
|
1440 |
txg_list1_walk_init(mdb_walk_state_t *wsp) |
|
1441 |
{
|
|
1442 |
return (txg_list_walk_init_common(wsp, 1, 1)); |
|
1443 |
} |
|
1444 |
||
1445 |
static int |
|
1446 |
txg_list2_walk_init(mdb_walk_state_t *wsp) |
|
1447 |
{
|
|
1448 |
return (txg_list_walk_init_common(wsp, 2, 2)); |
|
1449 |
} |
|
1450 |
||
1451 |
static int |
|
1452 |
txg_list3_walk_init(mdb_walk_state_t *wsp) |
|
1453 |
{
|
|
1454 |
return (txg_list_walk_init_common(wsp, 3, 3)); |
|
1455 |
} |
|
1456 |
||
1457 |
static int |
|
1458 |
txg_list_walk_step(mdb_walk_state_t *wsp) |
|
1459 |
{
|
|
1460 |
txg_list_walk_data_t *lwd = wsp->walk_data; |
|
1461 |
uintptr_t addr; |
|
1462 |
txg_node_t *node; |
|
1463 |
int status; |
|
1464 |
||
1465 |
while (wsp->walk_addr == NULL && lwd->lw_txgoff < lwd->lw_maxoff) {
|
|
1466 |
lwd->lw_txgoff++; |
|
1467 |
wsp->walk_addr = lwd->lw_head[lwd->lw_txgoff]; |
|
1468 |
} |
|
1469 |
||
1470 |
if (wsp->walk_addr == NULL) |
|
1471 |
return (WALK_DONE); |
|
1472 |
||
1473 |
addr = wsp->walk_addr - lwd->lw_offset; |
|
1474 |
||
1475 |
if (mdb_vread(lwd->lw_obj, |
|
1476 |
lwd->lw_offset + sizeof (txg_node_t), addr) == -1) {
|
|
1477 |
mdb_warn("failed to read list element at %#lx", addr);
|
|
1478 |
return (WALK_ERR); |
|
1479 |
} |
|
1480 |
||
1481 |
status = wsp->walk_callback(addr, lwd->lw_obj, wsp->walk_cbdata); |
|
1482 |
node = (txg_node_t *)((uintptr_t)lwd->lw_obj + lwd->lw_offset); |
|
1483 |
wsp->walk_addr = (uintptr_t)node->tn_next[lwd->lw_txgoff]; |
|
1484 |
||
1485 |
return (status); |
|
1486 |
} |
|
1487 |
||
1488 |
/* ARGSUSED */ |
|
1489 |
static void |
|
1490 |
txg_list_walk_fini(mdb_walk_state_t *wsp) |
|
1491 |
{
|
|
1492 |
} |
|
1493 |
||
1494 |
/* |
|
1495 |
* ::walk spa |
|
1496 |
* |
|
1497 |
* Walk all named spa_t structures in the namespace. This is nothing more than |
|
1498 |
* a layered avl walk. |
|
1499 |
*/ |
|
1500 |
static int |
|
1501 |
spa_walk_init(mdb_walk_state_t *wsp) |
|
1502 |
{
|
|
1503 |
GElf_Sym sym; |
|
1504 |
||
1505 |
if (wsp->walk_addr != NULL) {
|
|
1506 |
mdb_warn("spa walk only supports global walks\n");
|
|
1507 |
return (WALK_ERR); |
|
1508 |
} |
|
1509 |
||
1510 |
if (mdb_lookup_by_obj(ZFS_OBJ_NAME, "spa_namespace_avl", &sym) == -1) {
|
|
1511 |
mdb_warn("failed to find symbol 'spa_namespace_avl'");
|
|
1512 |
return (WALK_ERR); |
|
1513 |
} |
|
1514 |
||
1515 |
wsp->walk_addr = (uintptr_t)sym.st_value; |
|
1516 |
||
1517 |
if (mdb_layered_walk("avl", wsp) == -1) {
|
|
1518 |
mdb_warn("failed to walk 'avl'\n");
|
|
1519 |
return (WALK_ERR); |
|
1520 |
} |
|
1521 |
||
1522 |
return (WALK_NEXT); |
|
1523 |
} |
|
1524 |
||
1525 |
static int |
|
1526 |
spa_walk_step(mdb_walk_state_t *wsp) |
|
1527 |
{
|
|
1528 |
spa_t spa; |
|
1529 |
||
1530 |
if (mdb_vread(&spa, sizeof (spa), wsp->walk_addr) == -1) {
|
|
1531 |
mdb_warn("failed to read spa_t at %p", wsp->walk_addr);
|
|
1532 |
return (WALK_ERR); |
|
1533 |
} |
|
1534 |
||
1535 |
return (wsp->walk_callback(wsp->walk_addr, &spa, wsp->walk_cbdata)); |
|
1536 |
} |
|
1537 |
||
1538 |
/* |
|
1539 |
* MDB module linkage information: |
|
1540 |
* |
|
1541 |
* We declare a list of structures describing our dcmds, and a function |
|
1542 |
* named _mdb_init to return a pointer to our module information. |
|
1543 |
*/ |
|
1544 |
||
1545 |
static const mdb_dcmd_t dcmds[] = {
|
|
1546 |
{ "blkptr", ":", "print blkptr_t", blkptr },
|
|
1547 |
{ "dbuf", ":", "print dmu_buf_impl_t", dbuf },
|
|
1548 |
{ "dbuf_stats", ":", "dbuf stats", dbuf_stats },
|
|
1549 |
{ "dbufs",
|
|
1550 |
"\t[-O objset_t*] [-n objset_name | \"mos\"] [-o object | \"mdn\"] \n" |
|
1551 |
"\t[-l level] [-b blkid | \"bonus\"]", |
|
1552 |
"find dmu_buf_impl_t's that meet criterion", dbufs }, |
|
1553 |
{ "abuf_find", "dva_word[0] dva_word[1]",
|
|
1554 |
"find arc_buf_hdr_t of a specified DVA", |
|
1555 |
abuf_find }, |
|
1556 |
{ "spa", "?[-cv]", "spa_t summary", spa_print },
|
|
1557 |
{ "spa_config", ":", "print spa_t configuration", spa_print_config },
|
|
1558 |
{ "spa_verify", ":", "verify spa_t consistency", spa_verify },
|
|
1559 |
{ "spa_space", ":[-b]", "print spa_t on-disk space usage", spa_space },
|
|
1560 |
{ "spa_vdevs", ":", "given a spa_t, print vdev summary", spa_vdevs },
|
|
1561 |
{ "vdev", ":[-qre]", "vdev_t summary", vdev_print },
|
|
1562 |
{ "zio_pipeline", ":", "decode a zio pipeline", zio_pipeline },
|
|
1563 |
{ NULL }
|
|
1564 |
}; |
|
1565 |
||
1566 |
static const mdb_walker_t walkers[] = {
|
|
1567 |
/* |
|
1568 |
* In userland, there is no generic provider of list_t walkers, so we |
|
1569 |
* need to add it. |
|
1570 |
*/ |
|
1571 |
#ifndef _KERNEL |
|
1572 |
{ LIST_WALK_NAME, LIST_WALK_DESC,
|
|
1573 |
list_walk_init, list_walk_step, list_walk_fini }, |
|
1574 |
#endif |
|
1575 |
{ "dbufs", "walk cached ZFS dbufs",
|
|
1576 |
dbuf_walk_init, dbuf_walk_step, dbuf_walk_fini }, |
|
1577 |
{ "zms_freelist", "walk ZFS metaslab freelist",
|
|
1578 |
freelist_walk_init, freelist_walk_step, freelist_walk_fini }, |
|
1579 |
{ "txg_list", "given any txg_list_t *, walk all entries in all txgs",
|
|
1580 |
txg_list_walk_init, txg_list_walk_step, txg_list_walk_fini }, |
|
1581 |
{ "txg_list0", "given any txg_list_t *, walk all entries in txg 0",
|
|
1582 |
txg_list0_walk_init, txg_list_walk_step, txg_list_walk_fini }, |
|
1583 |
{ "txg_list1", "given any txg_list_t *, walk all entries in txg 1",
|
|
1584 |
txg_list1_walk_init, txg_list_walk_step, txg_list_walk_fini }, |
|
1585 |
{ "txg_list2", "given any txg_list_t *, walk all entries in txg 2",
|
|
1586 |
txg_list2_walk_init, txg_list_walk_step, txg_list_walk_fini }, |
|
1587 |
{ "txg_list3", "given any txg_list_t *, walk all entries in txg 3",
|
|
1588 |
txg_list3_walk_init, txg_list_walk_step, txg_list_walk_fini }, |
|
1589 |
{ "spa", "walk all spa_t entries in the namespace",
|
|
1590 |
spa_walk_init, spa_walk_step, NULL }, |
|
1591 |
{ NULL }
|
|
1592 |
}; |
|
1593 |
||
1594 |
static const mdb_modinfo_t modinfo = {
|
|
1595 |
MDB_API_VERSION, dcmds, walkers |
|
1596 |
}; |
|
1597 |
||
1598 |
const mdb_modinfo_t * |
|
1599 |
_mdb_init(void) |
|
1600 |
{
|
|
1601 |
return (&modinfo); |
|
1602 |
} |