linux pmap
程序员文章站
2022-07-12 19:11:01
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pmap查看某个进程的内存使用情况
最核心就是最后一句:
[[email protected] ~]# ps -aux | grep nginx
root 1030 0.0 0.0 9028 656 pts/0 R+ 11:12 0:00 grep --color=auto nginx
root 1843 0.0 0.0 20832 600 ? Ss Jan10 0:00 nginx: master process ./nginx
nobody 1844 0.0 0.1 23344 1600 ? S Jan10 0:00 nginx: worker process
[[email protected] ~]# pmap -d 1844
1844: nginx: worker process
Address Kbytes Mode Offset Device Mapping
0000000000400000 540 r-x-- 0000000000000000 0fd:00001 nginx
0000000000686000 4 r---- 0000000000086000 0fd:00001 nginx
0000000000687000 64 rw--- 0000000000087000 0fd:00001 nginx
0000000000697000 60 rw--- 0000000000000000 000:00000 [ anon ]
00000000025e4000 264 rw--- 0000000000000000 000:00000 [ anon ]
0000000002626000 216 rw--- 0000000000000000 000:00000 [ anon ]
00007ff42147d000 32 r-x-- 0000000000000000 0fd:00001 libnss_sss.so.2
00007ff421485000 2044 ----- 0000000000008000 0fd:00001 libnss_sss.so.2
00007ff421684000 4 r---- 0000000000007000 0fd:00001 libnss_sss.so.2
00007ff421685000 4 rw--- 0000000000008000 0fd:00001 libnss_sss.so.2
00007ff421686000 48 r-x-- 0000000000000000 0fd:00001 libnss_files-2.17.so
00007ff421692000 2044 ----- 000000000000c000 0fd:00001 libnss_files-2.17.so
00007ff421891000 4 r---- 000000000000b000 0fd:00001 libnss_files-2.17.so
00007ff421892000 4 rw--- 000000000000c000 0fd:00001 libnss_files-2.17.so
00007ff421893000 24 rw--- 0000000000000000 000:00000 [ anon ]
00007ff421899000 8 r-x-- 0000000000000000 0fd:00001 libdl-2.17.so
00007ff42189b000 2048 ----- 0000000000002000 0fd:00001 libdl-2.17.so
00007ff421a9b000 4 r---- 0000000000002000 0fd:00001 libdl-2.17.so
00007ff421a9c000 4 rw--- 0000000000003000 0fd:00001 libdl-2.17.so
00007ff421a9d000 484 r-x-- 0000000000000000 0fd:00001 libfreebl3.so
00007ff421b16000 2048 ----- 0000000000079000 0fd:00001 libfreebl3.so
00007ff421d16000 4 r---- 0000000000079000 0fd:00001 libfreebl3.so
00007ff421d17000 4 rw--- 000000000007a000 0fd:00001 libfreebl3.so
00007ff421d18000 16 rw--- 0000000000000000 000:00000 [ anon ]
00007ff421d1c000 1756 r-x-- 0000000000000000 0fd:00001 libc-2.17.so
00007ff421ed3000 2044 ----- 00000000001b7000 0fd:00001 libc-2.17.so
00007ff4220d2000 16 r---- 00000000001b6000 0fd:00001 libc-2.17.so
00007ff4220d6000 8 rw--- 00000000001ba000 0fd:00001 libc-2.17.so
00007ff4220d8000 20 rw--- 0000000000000000 000:00000 [ anon ]
00007ff4220dd000 84 r-x-- 0000000000000000 0fd:00001 libz.so.1.2.7
00007ff4220f2000 2044 ----- 0000000000015000 0fd:00001 libz.so.1.2.7
00007ff4222f1000 4 r---- 0000000000014000 0fd:00001 libz.so.1.2.7
00007ff4222f2000 4 rw--- 0000000000015000 0fd:00001 libz.so.1.2.7
00007ff4222f3000 384 r-x-- 0000000000000000 0fd:00001 libpcre.so.1.2.0
00007ff422353000 2044 ----- 0000000000060000 0fd:00001 libpcre.so.1.2.0
00007ff422552000 4 r---- 000000000005f000 0fd:00001 libpcre.so.1.2.0
00007ff422553000 4 rw--- 0000000000060000 0fd:00001 libpcre.so.1.2.0
00007ff422554000 32 r-x-- 0000000000000000 0fd:00001 libcrypt-2.17.so
00007ff42255c000 2044 ----- 0000000000008000 0fd:00001 libcrypt-2.17.so
00007ff42275b000 4 r---- 0000000000007000 0fd:00001 libcrypt-2.17.so
00007ff42275c000 4 rw--- 0000000000008000 0fd:00001 libcrypt-2.17.so
00007ff42275d000 184 rw--- 0000000000000000 000:00000 [ anon ]
00007ff42278b000 92 r-x-- 0000000000000000 0fd:00001 libpthread-2.17.so
00007ff4227a2000 2044 ----- 0000000000017000 0fd:00001 libpthread-2.17.so
00007ff4229a1000 4 r---- 0000000000016000 0fd:00001 libpthread-2.17.so
00007ff4229a2000 4 rw--- 0000000000017000 0fd:00001 libpthread-2.17.so
00007ff4229a3000 16 rw--- 0000000000000000 000:00000 [ anon ]
00007ff4229a7000 128 r-x-- 0000000000000000 0fd:00001 ld-2.17.so
00007ff422b84000 212 rw--- 0000000000000000 000:00000 [ anon ]
00007ff422bb9000 20 rw--- 0000000000000000 000:00000 [ anon ]
00007ff422bc5000 4 rw-s- 0000000000000000 000:00004 zero (deleted)
00007ff422bc6000 4 rw--- 0000000000000000 000:00000 [ anon ]
00007ff422bc7000 4 r---- 0000000000020000 0fd:00001 ld-2.17.so
00007ff422bc8000 4 rw--- 0000000000021000 0fd:00001 ld-2.17.so
00007ff422bc9000 4 rw--- 0000000000000000 000:00000 [ anon ]
00007fffb3218000 132 rw--- 0000000000000000 000:00000 [ stack ]
00007fffb3375000 8 r-x-- 0000000000000000 000:00000 [ anon ]
ffffffffff600000 4 r-x-- 0000000000000000 000:00000 [ anon ]
mapped: 23344K writeable/private: 1280K shared: 4K
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