# 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 ``` pmap(选项)(参数) ``` ### 选项 ``` -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 ``` 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 ``` --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://hezhiqiang.gitbook.io/linux/ming-ling/pmap.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.