author | johansen |
Tue, 19 Dec 2006 23:13:06 -0800 | |
changeset 3290 | 256464cbb73c |
parent 436 | c9ab97f06761 |
child 5084 | 7d838c5c0eed |
permissions | -rw-r--r-- |
0 | 1 |
/* |
2 |
* CDDL HEADER START |
|
3 |
* |
|
4 |
* The contents of this file are subject to the terms of the |
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3290 | 5 |
* Common Development and Distribution License (the "License"). |
6 |
* You may not use this file except in compliance with the License. |
|
0 | 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] |
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18 |
* |
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19 |
* CDDL HEADER END |
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20 |
*/ |
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21 |
/* |
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3290 | 22 |
* Copyright 2006 Sun Microsystems, Inc. All rights reserved. |
0 | 23 |
* Use is subject to license terms. |
24 |
*/ |
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25 |
||
26 |
#pragma ident "%Z%%M% %I% %E% SMI" |
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27 |
||
28 |
#include <mdb/mdb_modapi.h> |
|
29 |
#include <sys/types.h> |
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30 |
#include <vm/page.h> |
|
31 |
#include <sys/thread.h> |
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32 |
#include <sys/swap.h> |
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33 |
#include <sys/memlist.h> |
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34 |
||
35 |
||
36 |
/* |
|
37 |
* Page walker. |
|
38 |
* By default, this will walk all pages in the system. If given an |
|
39 |
* address, it will walk all pages belonging to the vnode at that |
|
40 |
* address. |
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41 |
*/ |
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42 |
||
43 |
/* |
|
44 |
* page_walk_data |
|
45 |
* |
|
46 |
* pw_hashleft is set to -1 when walking a vnode's pages, and holds the |
|
47 |
* number of hash locations remaining in the page hash table when |
|
48 |
* walking all pages. |
|
49 |
* |
|
50 |
* The astute reader will notice that pw_hashloc is only used when |
|
51 |
* reading all pages (to hold a pointer to our location in the page |
|
52 |
* hash table), and that pw_first is only used when reading the pages |
|
53 |
* belonging to a particular vnode (to hold a pointer to the first |
|
54 |
* page). While these could be combined to be a single pointer, they |
|
55 |
* are left separate for clarity. |
|
56 |
*/ |
|
57 |
typedef struct page_walk_data { |
|
58 |
long pw_hashleft; |
|
59 |
void **pw_hashloc; |
|
60 |
uintptr_t pw_first; |
|
61 |
} page_walk_data_t; |
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62 |
||
63 |
int |
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64 |
page_walk_init(mdb_walk_state_t *wsp) |
|
65 |
{ |
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66 |
page_walk_data_t *pwd; |
|
67 |
void **ptr; |
|
68 |
size_t hashsz; |
|
69 |
vnode_t vn; |
|
70 |
||
71 |
if (wsp->walk_addr == NULL) { |
|
72 |
||
73 |
/* |
|
74 |
* Walk all pages |
|
75 |
*/ |
|
76 |
||
77 |
if ((mdb_readvar(&ptr, "page_hash") == -1) || |
|
78 |
(mdb_readvar(&hashsz, "page_hashsz") == -1) || |
|
79 |
(ptr == NULL) || (hashsz == 0)) { |
|
80 |
mdb_warn("page_hash, page_hashsz not found or invalid"); |
|
81 |
return (WALK_ERR); |
|
82 |
} |
|
83 |
||
84 |
/* |
|
85 |
* Since we are walking all pages, initialize hashleft |
|
86 |
* to be the remaining number of entries in the page |
|
87 |
* hash. hashloc is set the start of the page hash |
|
88 |
* table. Setting the walk address to 0 indicates that |
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89 |
* we aren't currently following a hash chain, and that |
|
90 |
* we need to scan the page hash table for a page. |
|
91 |
*/ |
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92 |
pwd = mdb_alloc(sizeof (page_walk_data_t), UM_SLEEP); |
|
93 |
pwd->pw_hashleft = hashsz; |
|
94 |
pwd->pw_hashloc = ptr; |
|
95 |
wsp->walk_addr = 0; |
|
96 |
} else { |
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97 |
||
98 |
/* |
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99 |
* Walk just this vnode |
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100 |
*/ |
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101 |
||
102 |
if (mdb_vread(&vn, sizeof (vnode_t), wsp->walk_addr) == -1) { |
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103 |
mdb_warn("unable to read vnode_t at %#lx", |
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104 |
wsp->walk_addr); |
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105 |
return (WALK_ERR); |
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106 |
} |
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107 |
||
108 |
/* |
|
109 |
* We set hashleft to -1 to indicate that we are |
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110 |
* walking a vnode, and initialize first to 0 (it is |
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111 |
* used to terminate the walk, so it must not be set |
|
112 |
* until after we have walked the first page). The |
|
113 |
* walk address is set to the first page. |
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114 |
*/ |
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115 |
pwd = mdb_alloc(sizeof (page_walk_data_t), UM_SLEEP); |
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116 |
pwd->pw_hashleft = -1; |
|
117 |
pwd->pw_first = 0; |
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118 |
||
119 |
wsp->walk_addr = (uintptr_t)vn.v_pages; |
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120 |
} |
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121 |
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122 |
wsp->walk_data = pwd; |
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123 |
||
124 |
return (WALK_NEXT); |
|
125 |
} |
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126 |
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127 |
int |
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128 |
page_walk_step(mdb_walk_state_t *wsp) |
|
129 |
{ |
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130 |
page_walk_data_t *pwd = wsp->walk_data; |
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131 |
page_t page; |
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132 |
uintptr_t pp; |
|
133 |
||
134 |
pp = wsp->walk_addr; |
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135 |
||
136 |
if (pwd->pw_hashleft < 0) { |
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137 |
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138 |
/* We're walking a vnode's pages */ |
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139 |
||
140 |
/* |
|
141 |
* If we don't have any pages to walk, we have come |
|
142 |
* back around to the first one (we finished), or we |
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143 |
* can't read the page we're looking at, we are done. |
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144 |
*/ |
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145 |
if (pp == NULL || pp == pwd->pw_first) |
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146 |
return (WALK_DONE); |
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147 |
if (mdb_vread(&page, sizeof (page_t), pp) == -1) { |
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148 |
mdb_warn("unable to read page_t at %#lx", pp); |
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149 |
return (WALK_ERR); |
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150 |
} |
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151 |
||
152 |
/* |
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153 |
* Set the walk address to the next page, and if the |
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154 |
* first page hasn't been set yet (i.e. we are on the |
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155 |
* first page), set it. |
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156 |
*/ |
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157 |
wsp->walk_addr = (uintptr_t)page.p_vpnext; |
|
158 |
if (pwd->pw_first == NULL) |
|
159 |
pwd->pw_first = pp; |
|
160 |
||
161 |
} else if (pwd->pw_hashleft > 0) { |
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162 |
||
163 |
/* We're walking all pages */ |
|
164 |
||
165 |
/* |
|
166 |
* If pp (the walk address) is NULL, we scan through |
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167 |
* the page hash table until we find a page. |
|
168 |
*/ |
|
169 |
if (pp == NULL) { |
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170 |
||
171 |
/* |
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172 |
* Iterate through the page hash table until we |
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173 |
* find a page or reach the end. |
|
174 |
*/ |
|
175 |
do { |
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176 |
if (mdb_vread(&pp, sizeof (uintptr_t), |
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177 |
(uintptr_t)pwd->pw_hashloc) == -1) { |
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178 |
mdb_warn("unable to read from %#p", |
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179 |
pwd->pw_hashloc); |
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180 |
return (WALK_ERR); |
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181 |
} |
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182 |
pwd->pw_hashleft--; |
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183 |
pwd->pw_hashloc++; |
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184 |
} while (pwd->pw_hashleft && (pp == NULL)); |
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185 |
||
186 |
/* |
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187 |
* We've reached the end; exit. |
|
188 |
*/ |
|
189 |
if (pp == NULL) |
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190 |
return (WALK_DONE); |
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191 |
} |
|
192 |
||
193 |
if (mdb_vread(&page, sizeof (page_t), pp) == -1) { |
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194 |
mdb_warn("unable to read page_t at %#lx", pp); |
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195 |
return (WALK_ERR); |
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196 |
} |
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197 |
||
198 |
/* |
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199 |
* Set the walk address to the next page. |
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200 |
*/ |
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201 |
wsp->walk_addr = (uintptr_t)page.p_hash; |
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202 |
||
203 |
} else { |
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204 |
/* We've finished walking all pages. */ |
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205 |
return (WALK_DONE); |
|
206 |
} |
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207 |
||
208 |
return (wsp->walk_callback(pp, &page, wsp->walk_cbdata)); |
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209 |
} |
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210 |
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211 |
void |
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212 |
page_walk_fini(mdb_walk_state_t *wsp) |
|
213 |
{ |
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214 |
mdb_free(wsp->walk_data, sizeof (page_walk_data_t)); |
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215 |
} |
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216 |
||
217 |
/* Summary statistics of pages */ |
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218 |
typedef struct memstat { |
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219 |
struct vnode *ms_kvp; /* Cached address of kernel vnode */ |
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3290 | 220 |
struct vnode *ms_zvp; /* Cached address of zio vnode */ |
0 | 221 |
uint64_t ms_kmem; /* Pages of kernel memory */ |
222 |
uint64_t ms_anon; /* Pages of anonymous memory */ |
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223 |
uint64_t ms_vnode; /* Pages of named (vnode) memory */ |
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224 |
uint64_t ms_exec; /* Pages of exec/library memory */ |
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225 |
uint64_t ms_cachelist; /* Pages on the cachelist (free) */ |
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226 |
uint64_t ms_total; /* Pages on page hash */ |
|
227 |
} memstat_t; |
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228 |
||
3290 | 229 |
#define MS_PP_ISKAS(pp, stats) \ |
230 |
(((pp)->p_vnode == (stats)->ms_kvp) || \ |
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231 |
(((stats)->ms_zvp != NULL) && ((pp)->p_vnode == (stats)->ms_zvp))) |
|
232 |
||
0 | 233 |
/* |
234 |
* Summarize pages by type; called from page walker. |
|
235 |
*/ |
|
236 |
||
237 |
/* ARGSUSED */ |
|
238 |
static int |
|
239 |
memstat_callback(page_t *page, page_t *pp, memstat_t *stats) |
|
240 |
{ |
|
241 |
struct vnode vn, *vp; |
|
242 |
uintptr_t ptr; |
|
243 |
||
244 |
/* read page's vnode pointer */ |
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245 |
if ((ptr = (uintptr_t)(pp->p_vnode)) != NULL) { |
|
246 |
if (mdb_vread(&vn, sizeof (vnode_t), ptr) == -1) { |
|
247 |
mdb_warn("unable to read vnode_t at %#lx", |
|
248 |
ptr); |
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249 |
return (WALK_ERR); |
|
250 |
} |
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251 |
vp = &vn; |
|
252 |
} else |
|
253 |
vp = NULL; |
|
254 |
||
255 |
if (PP_ISFREE(pp)) |
|
256 |
stats->ms_cachelist++; |
|
257 |
else if (vp && IS_SWAPFSVP(vp)) |
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258 |
stats->ms_anon++; |
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3290 | 259 |
else if (MS_PP_ISKAS(pp, stats)) |
0 | 260 |
stats->ms_kmem++; |
261 |
else if (vp && (((vp)->v_flag & VVMEXEC)) != 0) |
|
262 |
stats->ms_exec++; |
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263 |
else |
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264 |
stats->ms_vnode++; |
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265 |
||
266 |
stats->ms_total++; |
|
267 |
||
268 |
return (WALK_NEXT); |
|
269 |
} |
|
270 |
||
271 |
/* ARGSUSED */ |
|
272 |
int |
|
273 |
memstat(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) |
|
274 |
{ |
|
275 |
ulong_t pagesize; |
|
276 |
pgcnt_t total_pages; |
|
277 |
ulong_t physmem; |
|
278 |
memstat_t stats; |
|
279 |
memstat_t unused_stats; |
|
280 |
GElf_Sym sym; |
|
281 |
||
282 |
bzero(&stats, sizeof (memstat_t)); |
|
283 |
bzero(&unused_stats, sizeof (memstat_t)); |
|
284 |
||
285 |
if (argc != 0 || (flags & DCMD_ADDRSPEC)) |
|
286 |
return (DCMD_USAGE); |
|
287 |
||
288 |
/* Grab base page size */ |
|
289 |
if (mdb_readvar(&pagesize, "_pagesize") == -1) { |
|
290 |
mdb_warn("unable to read _pagesize"); |
|
291 |
return (DCMD_ERR); |
|
292 |
} |
|
293 |
||
294 |
/* Total physical memory */ |
|
295 |
if (mdb_readvar(&total_pages, "total_pages") == -1) { |
|
296 |
mdb_warn("unable to read total_pages"); |
|
297 |
return (DCMD_ERR); |
|
298 |
} |
|
299 |
||
300 |
/* Artificially limited memory */ |
|
301 |
if (mdb_readvar(&physmem, "physmem") == -1) { |
|
302 |
mdb_warn("unable to read physmem"); |
|
303 |
return (DCMD_ERR); |
|
304 |
} |
|
305 |
||
306 |
/* read kernel vnode pointer */ |
|
307 |
if (mdb_lookup_by_obj(MDB_OBJ_EXEC, "kvp", |
|
308 |
(GElf_Sym *)&sym) == -1) { |
|
309 |
mdb_warn("unable to read kvp"); |
|
310 |
return (DCMD_ERR); |
|
311 |
} |
|
312 |
||
313 |
stats.ms_kvp = (struct vnode *)(uintptr_t)sym.st_value; |
|
314 |
||
3290 | 315 |
/* |
316 |
* Read the zio vnode pointer. It may not exist on all kernels, so it |
|
317 |
* it isn't found, it's not a fatal error. |
|
318 |
*/ |
|
319 |
if (mdb_lookup_by_obj(MDB_OBJ_EXEC, "zvp", |
|
320 |
(GElf_Sym *)&sym) == -1) { |
|
321 |
stats.ms_zvp = NULL; |
|
322 |
} else { |
|
323 |
stats.ms_zvp = (struct vnode *)(uintptr_t)sym.st_value; |
|
324 |
} |
|
325 |
||
0 | 326 |
/* Walk page structures, summarizing usage */ |
327 |
if (mdb_walk("page", (mdb_walk_cb_t)memstat_callback, |
|
328 |
&stats) == -1) { |
|
329 |
mdb_warn("can't walk pages"); |
|
330 |
return (DCMD_ERR); |
|
331 |
} |
|
332 |
||
333 |
/* read unused pages vnode */ |
|
334 |
if (mdb_lookup_by_obj(MDB_OBJ_EXEC, "unused_pages_vp", |
|
335 |
(GElf_Sym *)&sym) == -1) { |
|
336 |
mdb_warn("unable to read unused_pages_vp"); |
|
337 |
return (DCMD_ERR); |
|
338 |
} |
|
339 |
||
436
c9ab97f06761
6241314 ctfconvert should understand SPARC real types in DWARF
dmick
parents:
0
diff
changeset
|
340 |
unused_stats.ms_kvp = (struct vnode *)(uintptr_t)sym.st_value; |
0 | 341 |
|
342 |
/* Find unused pages */ |
|
343 |
if (mdb_walk("page", (mdb_walk_cb_t)memstat_callback, |
|
344 |
&unused_stats) == -1) { |
|
345 |
mdb_warn("can't walk pages"); |
|
346 |
return (DCMD_ERR); |
|
347 |
} |
|
348 |
||
349 |
/* |
|
350 |
* If physmem != total_pages, then the administrator has limited the |
|
351 |
* number of pages available in the system. In order to account for |
|
352 |
* this, we reduce the amount normally attributed to the page cache. |
|
353 |
*/ |
|
354 |
stats.ms_vnode -= unused_stats.ms_kmem; |
|
355 |
stats.ms_total -= unused_stats.ms_kmem; |
|
356 |
||
357 |
#define MS_PCT_TOTAL(x) (((5 * total_pages) + ((x) * 1000ull))) / \ |
|
358 |
((physmem) * 10) |
|
359 |
||
360 |
mdb_printf("Page Summary Pages MB" |
|
361 |
" %%Tot\n"); |
|
362 |
mdb_printf("------------ ---------------- ----------------" |
|
363 |
" ----\n"); |
|
364 |
mdb_printf("Kernel %16llu %16llu %3llu%%\n", |
|
365 |
stats.ms_kmem, |
|
366 |
(uint64_t)stats.ms_kmem * pagesize / (1024 * 1024), |
|
367 |
MS_PCT_TOTAL(stats.ms_kmem)); |
|
368 |
mdb_printf("Anon %16llu %16llu %3llu%%\n", |
|
369 |
stats.ms_anon, |
|
370 |
(uint64_t)stats.ms_anon * pagesize / (1024 * 1024), |
|
371 |
MS_PCT_TOTAL(stats.ms_anon)); |
|
372 |
mdb_printf("Exec and libs %16llu %16llu %3llu%%\n", |
|
373 |
stats.ms_exec, |
|
374 |
(uint64_t)stats.ms_exec * pagesize / (1024 * 1024), |
|
375 |
MS_PCT_TOTAL(stats.ms_exec)); |
|
376 |
mdb_printf("Page cache %16llu %16llu %3llu%%\n", |
|
377 |
stats.ms_vnode, |
|
378 |
(uint64_t)stats.ms_vnode * pagesize / (1024 * 1024), |
|
379 |
MS_PCT_TOTAL(stats.ms_vnode)); |
|
380 |
mdb_printf("Free (cachelist) %16llu %16llu %3llu%%\n", |
|
381 |
stats.ms_cachelist, |
|
382 |
(uint64_t)stats.ms_cachelist * pagesize / (1024 * 1024), |
|
383 |
MS_PCT_TOTAL(stats.ms_cachelist)); |
|
384 |
mdb_printf("Free (freelist) %16llu %16llu %3llu%%\n", |
|
385 |
physmem - stats.ms_total, |
|
386 |
(uint64_t)(physmem - stats.ms_total) * pagesize / (1024 * 1024), |
|
387 |
MS_PCT_TOTAL(physmem - stats.ms_total)); |
|
388 |
mdb_printf("\nTotal %16lu %16lu\n", |
|
389 |
physmem, |
|
390 |
(uint64_t)physmem * pagesize / (1024 * 1024)); |
|
391 |
||
392 |
if (physmem != total_pages) { |
|
393 |
mdb_printf("Physical %16lu %16lu\n", |
|
394 |
total_pages, |
|
395 |
(uint64_t)total_pages * pagesize / (1024 * 1024)); |
|
396 |
} |
|
397 |
||
398 |
#undef MS_PCT_TOTAL |
|
399 |
||
400 |
return (DCMD_OK); |
|
401 |
} |
|
402 |
||
403 |
int |
|
404 |
page(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) |
|
405 |
{ |
|
406 |
page_t p; |
|
407 |
||
408 |
if (!(flags & DCMD_ADDRSPEC)) { |
|
409 |
if (mdb_walk_dcmd("page", "page", argc, argv) == -1) { |
|
410 |
mdb_warn("can't walk pages"); |
|
411 |
return (DCMD_ERR); |
|
412 |
} |
|
413 |
return (DCMD_OK); |
|
414 |
} |
|
415 |
||
416 |
if (DCMD_HDRSPEC(flags)) { |
|
417 |
mdb_printf("%<u>%?s %?s %16s %8s %3s %3s %2s %2s %2s%</u>\n", |
|
418 |
"PAGE", "VNODE", "OFFSET", "SELOCK", |
|
419 |
"LCT", "COW", "IO", "FS", "ST"); |
|
420 |
} |
|
421 |
||
422 |
if (mdb_vread(&p, sizeof (page_t), addr) == -1) { |
|
423 |
mdb_warn("can't read page_t at %#lx", addr); |
|
424 |
return (DCMD_ERR); |
|
425 |
} |
|
426 |
||
427 |
mdb_printf("%0?lx %?p %16llx %8x %3d %3d %2x %2x %2x\n", |
|
428 |
addr, p.p_vnode, p.p_offset, p.p_selock, p.p_lckcnt, p.p_cowcnt, |
|
429 |
p.p_iolock_state, p.p_fsdata, p.p_state); |
|
430 |
||
431 |
return (DCMD_OK); |
|
432 |
} |
|
433 |
||
434 |
int |
|
435 |
swap_walk_init(mdb_walk_state_t *wsp) |
|
436 |
{ |
|
437 |
void *ptr; |
|
438 |
||
439 |
if ((mdb_readvar(&ptr, "swapinfo") == -1) || ptr == NULL) { |
|
440 |
mdb_warn("swapinfo not found or invalid"); |
|
441 |
return (WALK_ERR); |
|
442 |
} |
|
443 |
||
444 |
wsp->walk_addr = (uintptr_t)ptr; |
|
445 |
||
446 |
return (WALK_NEXT); |
|
447 |
} |
|
448 |
||
449 |
int |
|
450 |
swap_walk_step(mdb_walk_state_t *wsp) |
|
451 |
{ |
|
452 |
uintptr_t sip; |
|
453 |
struct swapinfo si; |
|
454 |
||
455 |
sip = wsp->walk_addr; |
|
456 |
||
457 |
if (sip == NULL) |
|
458 |
return (WALK_DONE); |
|
459 |
||
460 |
if (mdb_vread(&si, sizeof (struct swapinfo), sip) == -1) { |
|
461 |
mdb_warn("unable to read swapinfo at %#lx", sip); |
|
462 |
return (WALK_ERR); |
|
463 |
} |
|
464 |
||
465 |
wsp->walk_addr = (uintptr_t)si.si_next; |
|
466 |
||
467 |
return (wsp->walk_callback(sip, &si, wsp->walk_cbdata)); |
|
468 |
} |
|
469 |
||
470 |
int |
|
471 |
swapinfof(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) |
|
472 |
{ |
|
473 |
struct swapinfo si; |
|
474 |
char *name; |
|
475 |
||
476 |
if (!(flags & DCMD_ADDRSPEC)) { |
|
477 |
if (mdb_walk_dcmd("swapinfo", "swapinfo", argc, argv) == -1) { |
|
478 |
mdb_warn("can't walk swapinfo"); |
|
479 |
return (DCMD_ERR); |
|
480 |
} |
|
481 |
return (DCMD_OK); |
|
482 |
} |
|
483 |
||
484 |
if (DCMD_HDRSPEC(flags)) { |
|
485 |
mdb_printf("%<u>%?s %?s %9s %9s %s%</u>\n", |
|
486 |
"ADDR", "VNODE", "PAGES", "FREE", "NAME"); |
|
487 |
} |
|
488 |
||
489 |
if (mdb_vread(&si, sizeof (struct swapinfo), addr) == -1) { |
|
490 |
mdb_warn("can't read swapinfo at %#lx", addr); |
|
491 |
return (DCMD_ERR); |
|
492 |
} |
|
493 |
||
494 |
name = mdb_alloc(si.si_pnamelen, UM_SLEEP | UM_GC); |
|
495 |
if (mdb_vread(name, si.si_pnamelen, (uintptr_t)si.si_pname) == -1) |
|
496 |
name = "*error*"; |
|
497 |
||
498 |
mdb_printf("%0?lx %?p %9d %9d %s\n", |
|
499 |
addr, si.si_vp, si.si_npgs, si.si_nfpgs, name); |
|
500 |
||
501 |
return (DCMD_OK); |
|
502 |
} |
|
503 |
||
504 |
int |
|
505 |
memlist_walk_step(mdb_walk_state_t *wsp) |
|
506 |
{ |
|
507 |
uintptr_t mlp; |
|
508 |
struct memlist ml; |
|
509 |
||
510 |
mlp = wsp->walk_addr; |
|
511 |
||
512 |
if (mlp == NULL) |
|
513 |
return (WALK_DONE); |
|
514 |
||
515 |
if (mdb_vread(&ml, sizeof (struct memlist), mlp) == -1) { |
|
516 |
mdb_warn("unable to read memlist at %#lx", mlp); |
|
517 |
return (WALK_ERR); |
|
518 |
} |
|
519 |
||
520 |
wsp->walk_addr = (uintptr_t)ml.next; |
|
521 |
||
522 |
return (wsp->walk_callback(mlp, &ml, wsp->walk_cbdata)); |
|
523 |
} |
|
524 |
||
525 |
int |
|
526 |
memlist(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) |
|
527 |
{ |
|
528 |
struct memlist ml; |
|
529 |
||
530 |
if (!(flags & DCMD_ADDRSPEC)) { |
|
531 |
uintptr_t ptr; |
|
532 |
uint_t list = 0; |
|
533 |
int i; |
|
534 |
static const char *lists[] = { |
|
535 |
"phys_install", |
|
536 |
"phys_avail", |
|
537 |
"virt_avail" |
|
538 |
}; |
|
539 |
||
540 |
if (mdb_getopts(argc, argv, |
|
541 |
'i', MDB_OPT_SETBITS, (1 << 0), &list, |
|
542 |
'a', MDB_OPT_SETBITS, (1 << 1), &list, |
|
543 |
'v', MDB_OPT_SETBITS, (1 << 2), &list, NULL) != argc) |
|
544 |
return (DCMD_USAGE); |
|
545 |
||
546 |
if (!list) |
|
547 |
list = 1; |
|
548 |
||
549 |
for (i = 0; list; i++, list >>= 1) { |
|
550 |
if (!(list & 1)) |
|
551 |
continue; |
|
552 |
if ((mdb_readvar(&ptr, lists[i]) == -1) || |
|
553 |
(ptr == NULL)) { |
|
554 |
mdb_warn("%s not found or invalid", lists[i]); |
|
555 |
return (DCMD_ERR); |
|
556 |
} |
|
557 |
||
558 |
mdb_printf("%s:\n", lists[i]); |
|
559 |
if (mdb_pwalk_dcmd("memlist", "memlist", 0, NULL, |
|
560 |
ptr) == -1) { |
|
561 |
mdb_warn("can't walk memlist"); |
|
562 |
return (DCMD_ERR); |
|
563 |
} |
|
564 |
} |
|
565 |
return (DCMD_OK); |
|
566 |
} |
|
567 |
||
568 |
if (DCMD_HDRSPEC(flags)) |
|
569 |
mdb_printf("%<u>%?s %16s %16s%</u>\n", "ADDR", "BASE", "SIZE"); |
|
570 |
||
571 |
if (mdb_vread(&ml, sizeof (struct memlist), addr) == -1) { |
|
572 |
mdb_warn("can't read memlist at %#lx", addr); |
|
573 |
return (DCMD_ERR); |
|
574 |
} |
|
575 |
||
576 |
mdb_printf("%0?lx %16llx %16llx\n", addr, ml.address, ml.size); |
|
577 |
||
578 |
return (DCMD_OK); |
|
579 |
} |