pmap命令用于报告进程的内存映射关系，是Linux操作系统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
