UNPKG

linux-command/command/pmap.md

Version:

5.84 kBMarkdownView Raw

1pmap
2===
3
4报告进程的内存映射关系
5
6## 补充说明
7
8**pmap命令** 用于报告进程的内存映射关系，是Linux调试及运维一个很好的工具。
9
10###  语法
11
12```shell
13pmap(选项)(参数)
14```
15
16###  选项
17
18```shell
19-x：显示扩展格式；
20-d：显示设备格式；
21-q：不显示头尾行；
22-V：显示指定版本。
23```
24
25###  参数
26
27进程号：指定需要显示内存映射关系的进程号，可以是多个进程号。
28
29###  实例
30
31```shell
32pidof nginx
3313312 5371
34
35pmap -x 5371
365371:   nginx: worker process                
37Address           Kbytes     RSS   Dirty Mode   Mapping
380000000000400000     564     344       0 r-x--  nginx
39000000000068c000      68      68      60 rw---  nginx
40000000000069d000      56      12      12 rw---    [ anon ]
41000000000a0c8000    1812    1684    1684 rw---    [ anon ]
420000003ac0a00000     112      40       0 r-x--  ld-2.5.so
430000003ac0c1c000       4       4       4 r----  ld-2.5.so
440000003ac0c1d000       4       4       4 rw---  ld-2.5.so
450000003ac0e00000    1340     284       0 r-x--  libc-2.5.so
460000003ac0f4f000    2044       0       0 -----  libc-2.5.so
470000003ac114e000      16      16       8 r----  libc-2.5.so
480000003ac1152000       4       4       4 rw---  libc-2.5.so
490000003ac1153000      20      20      20 rw---    [ anon ]
500000003ac1200000       8       4       0 r-x--  libdl-2.5.so
510000003ac1202000    2048       0       0 -----  libdl-2.5.so
520000003ac1402000       4       4       4 r----  libdl-2.5.so
530000003ac1403000       4       4       4 rw---  libdl-2.5.so
540000003ac1600000      84       0       0 r-x--  libselinux.so.1
550000003ac1615000    2048       0       0 -----  libselinux.so.1
560000003ac1815000       8       8       8 rw---  libselinux.so.1
570000003ac1817000       4       4       4 rw---    [ anon ]
580000003ac1a00000     236       0       0 r-x--  libsepol.so.1
590000003ac1a3b000    2048       0       0 -----  libsepol.so.1
600000003ac1c3b000       4       4       4 rw---  libsepol.so.1
610000003ac1c3c000      40       0       0 rw---    [ anon ]
620000003ac1e00000      88      44       0 r-x--  libpthread-2.5.so
630000003ac1e16000    2048       0       0 -----  libpthread-2.5.so
640000003ac2016000       4       4       4 r----  libpthread-2.5.so
650000003ac2017000       4       4       4 rw---  libpthread-2.5.so
660000003ac2018000      16       4       4 rw---    [ anon ]
670000003ac2600000      80      52       0 r-x--  libz.so.1.2.3
680000003ac2614000    2044       0       0 -----  libz.so.1.2.3
690000003ac2813000       4       4       4 rw---  libz.so.1.2.3
700000003ac2a00000      36       4       0 r-x--  libcrypt-2.5.so
710000003ac2a09000    2044       0       0 -----  libcrypt-2.5.so
720000003ac2c08000       4       4       4 r----  libcrypt-2.5.so
730000003ac2c09000       4       4       4 rw---  libcrypt-2.5.so
740000003ac2c0a000     184       0       0 rw---    [ anon ]
750000003ac3600000       8       0       0 r-x--  libkeyutils-1.2.so
760000003ac3602000    2044       0       0 -----  libkeyutils-1.2.so
770000003ac3801000       4       4       4 rw---  libkeyutils-1.2.so
780000003ac3a00000      68       0       0 r-x--  libresolv-2.5.so
790000003ac3a11000    2048       0       0 -----  libresolv-2.5.so
800000003ac3c11000       4       4       4 r----  libresolv-2.5.so
810000003ac3c12000       4       4       4 rw---  libresolv-2.5.so
820000003ac3c13000       8       0       0 rw---    [ anon ]
830000003ac3e00000       8       0       0 r-x--  libcom_err.so.2.1
840000003ac3e02000    2044       0       0 -----  libcom_err.so.2.1
850000003ac4001000       4       4       4 rw---  libcom_err.so.2.1
860000003ac4200000    1204       8       0 r-x--  libcrypto.so.0.9.8e
870000003ac432d000    2044       0       0 -----  libcrypto.so.0.9.8e
880000003ac452c000     132      88      12 rw---  libcrypto.so.0.9.8e
890000003ac454d000      16      12      12 rw---    [ anon ]
900000003ac4600000     176       0       0 r-x--  libgssapi_krb5.so.2.2
910000003ac462c000    2048       0       0 -----  libgssapi_krb5.so.2.2
920000003ac482c000       8       8       8 rw---  libgssapi_krb5.so.2.2
930000003ac4a00000     144       0       0 r-x--  libk5crypto.so.3.1
940000003ac4a24000    2044       0       0 -----  libk5crypto.so.3.1
950000003ac4c23000       8       8       8 rw---  libk5crypto.so.3.1
960000003ac4e00000      32       0       0 r-x--  libkrb5support.so.0.1
970000003ac4e08000    2044       0       0 -----  libkrb5support.so.0.1
980000003ac5007000       4       4       4 rw---  libkrb5support.so.0.1
990000003ac5200000     580       0       0 r-x--  libkrb5.so.3.3
1000000003ac5291000    2048       0       0 -----  libkrb5.so.3.3
1010000003ac5491000      16      16      12 rw---  libkrb5.so.3.3
1020000003ac5a00000     288       4       0 r-x--  libssl.so.0.9.8e
1030000003ac5a48000    2048       0       0 -----  libssl.so.0.9.8e
1040000003ac5c48000      24      16      12 rw---  libssl.so.0.9.8e
10500002b5751808000       8       8       8 rw---    [ anon ]
10600002b5751810000     108      36       0 r-x--  libpcre.so.1.2.0
10700002b575182b000    2044       0       0 -----  libpcre.so.1.2.0
10800002b5751a2a000       4       4       4 rw---  libpcre.so.1.2.0
10900002b5751a2b000      28      28      28 rw---    [ anon ]
11000002b5751a32000      40      20       0 r-x--  libnss_files-2.5.so
11100002b5751a3c000    2044       0       0 -----  libnss_files-2.5.so
11200002b5751c3b000       4       4       4 r----  libnss_files-2.5.so
11300002b5751c3c000       4       4       4 rw---  libnss_files-2.5.so
11400002b5751c3d000       4       4       4 rw-s-  zero (deleted)
11500002b5751c3e000   20012   20000   20000 rw---    [ anon ]
11600007fffbf2ce000      84      20      20 rw---    [ stack ]
11700007fffbf35e000      12       0       0 r-x--    [ anon ]
118ffffffffff600000    8192       0       0 -----    [ anon ]
119----------------  ------  ------  ------
120total kB           72880   22940   22000
121```
122
123

1	`pmap`
2	`===`
3
4	`报告进程的内存映射关系`
5
6	`## 补充说明`
7
8	`pmap命令用于报告进程的内存映射关系，是Linux调试及运维一个很好的工具。`
9
10	`### 语法`
11
12	```shell
13	`pmap(选项)(参数)`
14	```
15
16	`### 选项`
17
18	```shell
19	`-x：显示扩展格式；`
20	`-d：显示设备格式；`
21	`-q：不显示头尾行；`
22	`-V：显示指定版本。`
23	```
24
25	`### 参数`
26
27	`进程号：指定需要显示内存映射关系的进程号，可以是多个进程号。`
28
29	`### 实例`
30
31	```shell
32	`pidof nginx`
33	`13312 5371`
34
35	`pmap -x 5371`
36	`5371: nginx: worker process`
37	`Address Kbytes RSS Dirty Mode Mapping`
38	`0000000000400000 564 344 0 r-x-- nginx`
39	`000000000068c000 68 68 60 rw--- nginx`
40	`000000000069d000 56 12 12 rw--- [ anon ]`
41	`000000000a0c8000 1812 1684 1684 rw--- [ anon ]`
42	`0000003ac0a00000 112 40 0 r-x-- ld-2.5.so`
43	`0000003ac0c1c000 4 4 4 r---- ld-2.5.so`
44	`0000003ac0c1d000 4 4 4 rw--- ld-2.5.so`
45	`0000003ac0e00000 1340 284 0 r-x-- libc-2.5.so`
46	`0000003ac0f4f000 2044 0 0 ----- libc-2.5.so`
47	`0000003ac114e000 16 16 8 r---- libc-2.5.so`
48	`0000003ac1152000 4 4 4 rw--- libc-2.5.so`
49	`0000003ac1153000 20 20 20 rw--- [ anon ]`
50	`0000003ac1200000 8 4 0 r-x-- libdl-2.5.so`
51	`0000003ac1202000 2048 0 0 ----- libdl-2.5.so`
52	`0000003ac1402000 4 4 4 r---- libdl-2.5.so`
53	`0000003ac1403000 4 4 4 rw--- libdl-2.5.so`
54	`0000003ac1600000 84 0 0 r-x-- libselinux.so.1`
55	`0000003ac1615000 2048 0 0 ----- libselinux.so.1`
56	`0000003ac1815000 8 8 8 rw--- libselinux.so.1`
57	`0000003ac1817000 4 4 4 rw--- [ anon ]`
58	`0000003ac1a00000 236 0 0 r-x-- libsepol.so.1`
59	`0000003ac1a3b000 2048 0 0 ----- libsepol.so.1`
60	`0000003ac1c3b000 4 4 4 rw--- libsepol.so.1`
61	`0000003ac1c3c000 40 0 0 rw--- [ anon ]`
62	`0000003ac1e00000 88 44 0 r-x-- libpthread-2.5.so`
63	`0000003ac1e16000 2048 0 0 ----- libpthread-2.5.so`
64	`0000003ac2016000 4 4 4 r---- libpthread-2.5.so`
65	`0000003ac2017000 4 4 4 rw--- libpthread-2.5.so`
66	`0000003ac2018000 16 4 4 rw--- [ anon ]`
67	`0000003ac2600000 80 52 0 r-x-- libz.so.1.2.3`
68	`0000003ac2614000 2044 0 0 ----- libz.so.1.2.3`
69	`0000003ac2813000 4 4 4 rw--- libz.so.1.2.3`
70	`0000003ac2a00000 36 4 0 r-x-- libcrypt-2.5.so`
71	`0000003ac2a09000 2044 0 0 ----- libcrypt-2.5.so`
72	`0000003ac2c08000 4 4 4 r---- libcrypt-2.5.so`
73	`0000003ac2c09000 4 4 4 rw--- libcrypt-2.5.so`
74	`0000003ac2c0a000 184 0 0 rw--- [ anon ]`
75	`0000003ac3600000 8 0 0 r-x-- libkeyutils-1.2.so`
76	`0000003ac3602000 2044 0 0 ----- libkeyutils-1.2.so`
77	`0000003ac3801000 4 4 4 rw--- libkeyutils-1.2.so`
78	`0000003ac3a00000 68 0 0 r-x-- libresolv-2.5.so`
79	`0000003ac3a11000 2048 0 0 ----- libresolv-2.5.so`
80	`0000003ac3c11000 4 4 4 r---- libresolv-2.5.so`
81	`0000003ac3c12000 4 4 4 rw--- libresolv-2.5.so`
82	`0000003ac3c13000 8 0 0 rw--- [ anon ]`
83	`0000003ac3e00000 8 0 0 r-x-- libcom_err.so.2.1`
84	`0000003ac3e02000 2044 0 0 ----- libcom_err.so.2.1`
85	`0000003ac4001000 4 4 4 rw--- libcom_err.so.2.1`
86	`0000003ac4200000 1204 8 0 r-x-- libcrypto.so.0.9.8e`
87	`0000003ac432d000 2044 0 0 ----- libcrypto.so.0.9.8e`
88	`0000003ac452c000 132 88 12 rw--- libcrypto.so.0.9.8e`
89	`0000003ac454d000 16 12 12 rw--- [ anon ]`
90	`0000003ac4600000 176 0 0 r-x-- libgssapi_krb5.so.2.2`
91	`0000003ac462c000 2048 0 0 ----- libgssapi_krb5.so.2.2`
92	`0000003ac482c000 8 8 8 rw--- libgssapi_krb5.so.2.2`
93	`0000003ac4a00000 144 0 0 r-x-- libk5crypto.so.3.1`
94	`0000003ac4a24000 2044 0 0 ----- libk5crypto.so.3.1`
95	`0000003ac4c23000 8 8 8 rw--- libk5crypto.so.3.1`
96	`0000003ac4e00000 32 0 0 r-x-- libkrb5support.so.0.1`
97	`0000003ac4e08000 2044 0 0 ----- libkrb5support.so.0.1`
98	`0000003ac5007000 4 4 4 rw--- libkrb5support.so.0.1`
99	`0000003ac5200000 580 0 0 r-x-- libkrb5.so.3.3`
100	`0000003ac5291000 2048 0 0 ----- libkrb5.so.3.3`
101	`0000003ac5491000 16 16 12 rw--- libkrb5.so.3.3`
102	`0000003ac5a00000 288 4 0 r-x-- libssl.so.0.9.8e`
103	`0000003ac5a48000 2048 0 0 ----- libssl.so.0.9.8e`
104	`0000003ac5c48000 24 16 12 rw--- libssl.so.0.9.8e`
105	`00002b5751808000 8 8 8 rw--- [ anon ]`
106	`00002b5751810000 108 36 0 r-x-- libpcre.so.1.2.0`
107	`00002b575182b000 2044 0 0 ----- libpcre.so.1.2.0`
108	`00002b5751a2a000 4 4 4 rw--- libpcre.so.1.2.0`
109	`00002b5751a2b000 28 28 28 rw--- [ anon ]`
110	`00002b5751a32000 40 20 0 r-x-- libnss_files-2.5.so`
111	`00002b5751a3c000 2044 0 0 ----- libnss_files-2.5.so`
112	`00002b5751c3b000 4 4 4 r---- libnss_files-2.5.so`
113	`00002b5751c3c000 4 4 4 rw--- libnss_files-2.5.so`
114	`00002b5751c3d000 4 4 4 rw-s- zero (deleted)`
115	`00002b5751c3e000 20012 20000 20000 rw--- [ anon ]`
116	`00007fffbf2ce000 84 20 20 rw--- [ stack ]`
117	`00007fffbf35e000 12 0 0 r-x-- [ anon ]`
118	`ffffffffff600000 8192 0 0 ----- [ anon ]`
119	`---------------- ------ ------ ------`
120	`total kB 72880 22940 22000`
121	```
122
123