Linux常用命令库
apachectl
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pmap
pmap === 报告进程的内存映射关系 ## 补充说明 **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。 ### 语法 ```shell pmap(选项)(参数) ``` ### 选项 ```shell -x:显示扩展格式; -d:显示设备格式; -q:不显示头尾行; -V:显示指定版本。 ``` ### 参数 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。 ### 实例 ```shell pidof nginx 13312 5371 pmap -x 5371 5371: nginx: worker process Address Kbytes RSS Dirty Mode Mapping 0000000000400000 564 344 0 r-x-- nginx 000000000068c000 68 68 60 rw--- nginx 000000000069d000 56 12 12 rw--- [ anon ] 000000000a0c8000 1812 1684 1684 rw--- [ anon ] 0000003ac0a00000 112 40 0 r-x-- ld-2.5.so 0000003ac0c1c000 4 4 4 r---- ld-2.5.so 0000003ac0c1d000 4 4 4 rw--- ld-2.5.so 0000003ac0e00000 1340 284 0 r-x-- libc-2.5.so 0000003ac0f4f000 2044 0 0 ----- libc-2.5.so 0000003ac114e000 16 16 8 r---- libc-2.5.so 0000003ac1152000 4 4 4 rw--- libc-2.5.so 0000003ac1153000 20 20 20 rw--- [ anon ] 0000003ac1200000 8 4 0 r-x-- libdl-2.5.so 0000003ac1202000 2048 0 0 ----- libdl-2.5.so 0000003ac1402000 4 4 4 r---- libdl-2.5.so 0000003ac1403000 4 4 4 rw--- libdl-2.5.so 0000003ac1600000 84 0 0 r-x-- libselinux.so.1 0000003ac1615000 2048 0 0 ----- libselinux.so.1 0000003ac1815000 8 8 8 rw--- libselinux.so.1 0000003ac1817000 4 4 4 rw--- [ anon ] 0000003ac1a00000 236 0 0 r-x-- libsepol.so.1 0000003ac1a3b000 2048 0 0 ----- libsepol.so.1 0000003ac1c3b000 4 4 4 rw--- libsepol.so.1 0000003ac1c3c000 40 0 0 rw--- [ anon ] 0000003ac1e00000 88 44 0 r-x-- libpthread-2.5.so 0000003ac1e16000 2048 0 0 ----- libpthread-2.5.so 0000003ac2016000 4 4 4 r---- libpthread-2.5.so 0000003ac2017000 4 4 4 rw--- libpthread-2.5.so 0000003ac2018000 16 4 4 rw--- [ anon ] 0000003ac2600000 80 52 0 r-x-- libz.so.1.2.3 0000003ac2614000 2044 0 0 ----- libz.so.1.2.3 0000003ac2813000 4 4 4 rw--- libz.so.1.2.3 0000003ac2a00000 36 4 0 r-x-- libcrypt-2.5.so 0000003ac2a09000 2044 0 0 ----- libcrypt-2.5.so 0000003ac2c08000 4 4 4 r---- libcrypt-2.5.so 0000003ac2c09000 4 4 4 rw--- libcrypt-2.5.so 0000003ac2c0a000 184 0 0 rw--- [ anon ] 0000003ac3600000 8 0 0 r-x-- libkeyutils-1.2.so 0000003ac3602000 2044 0 0 ----- libkeyutils-1.2.so 0000003ac3801000 4 4 4 rw--- libkeyutils-1.2.so 0000003ac3a00000 68 0 0 r-x-- libresolv-2.5.so 0000003ac3a11000 2048 0 0 ----- libresolv-2.5.so 0000003ac3c11000 4 4 4 r---- libresolv-2.5.so 0000003ac3c12000 4 4 4 rw--- libresolv-2.5.so 0000003ac3c13000 8 0 0 rw--- [ anon ] 0000003ac3e00000 8 0 0 r-x-- libcom_err.so.2.1 0000003ac3e02000 2044 0 0 ----- libcom_err.so.2.1 0000003ac4001000 4 4 4 rw--- libcom_err.so.2.1 0000003ac4200000 1204 8 0 r-x-- libcrypto.so.0.9.8e 0000003ac432d000 2044 0 0 ----- libcrypto.so.0.9.8e 0000003ac452c000 132 88 12 rw--- libcrypto.so.0.9.8e 0000003ac454d000 16 12 12 rw--- [ anon ] 0000003ac4600000 176 0 0 r-x-- libgssapi_krb5.so.2.2 0000003ac462c000 2048 0 0 ----- libgssapi_krb5.so.2.2 0000003ac482c000 8 8 8 rw--- libgssapi_krb5.so.2.2 0000003ac4a00000 144 0 0 r-x-- libk5crypto.so.3.1 0000003ac4a24000 2044 0 0 ----- libk5crypto.so.3.1 0000003ac4c23000 8 8 8 rw--- libk5crypto.so.3.1 0000003ac4e00000 32 0 0 r-x-- libkrb5support.so.0.1 0000003ac4e08000 2044 0 0 ----- libkrb5support.so.0.1 0000003ac5007000 4 4 4 rw--- libkrb5support.so.0.1 0000003ac5200000 580 0 0 r-x-- libkrb5.so.3.3 0000003ac5291000 2048 0 0 ----- libkrb5.so.3.3 0000003ac5491000 16 16 12 rw--- libkrb5.so.3.3 0000003ac5a00000 288 4 0 r-x-- libssl.so.0.9.8e 0000003ac5a48000 2048 0 0 ----- libssl.so.0.9.8e 0000003ac5c48000 24 16 12 rw--- libssl.so.0.9.8e 00002b5751808000 8 8 8 rw--- [ anon ] 00002b5751810000 108 36 0 r-x-- libpcre.so.1.2.0 00002b575182b000 2044 0 0 ----- libpcre.so.1.2.0 00002b5751a2a000 4 4 4 rw--- libpcre.so.1.2.0 00002b5751a2b000 28 28 28 rw--- [ anon ] 00002b5751a32000 40 20 0 r-x-- libnss_files-2.5.so 00002b5751a3c000 2044 0 0 ----- libnss_files-2.5.so 00002b5751c3b000 4 4 4 r---- libnss_files-2.5.so 00002b5751c3c000 4 4 4 rw--- libnss_files-2.5.so 00002b5751c3d000 4 4 4 rw-s- zero (deleted) 00002b5751c3e000 20012 20000 20000 rw--- [ anon ] 00007fffbf2ce000 84 20 20 rw--- [ stack ] 00007fffbf35e000 12 0 0 r-x-- [ anon ] ffffffffff600000 8192 0 0 ----- [ anon ] ---------------- ------ ------ ------ total kB 72880 22940 22000 ```
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2022年9月16日 07:01
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