Linux性能测试 pmap命令

名称：

pmap - report memory map of a process(查看进程的内存映像信息)

用法

pmap [ -x | -d ] [ -q ] pids...

pmap -V

选项含义

-x extended Show the extended format. 显示扩展格式

-d device Show the device format. 显示设备格式

-q quiet Do not display some header/footer lines. 不显示头尾行

-V show version Displays version of program. 显示版本

扩展格式和设备格式域：

Address: start address of map 映像起始地址

Kbytes: size of map in kilobytes 映像大小

RSS: resident set size in kilobytes 驻留集大小

Dirty: dirty pages (both shared and private) in kilobytes 脏页大小

Mode: permissions on map 映像权限: r=read, w=write, x=execute, s=shared, p=private (copy on write)

Mapping: file backing the map , or '[ anon ]' for allocated memory, or '[ stack ]' for the program stack. 映像支持文件,[anon]为已分配内存 [stack]为程序堆栈

Offset: offset into the file 文件偏移

Device: device name (major:minor) 设备名

举例：

查看进程fba1_logic20 的内存情况

[app1104534762@VM_232_45_tlinux /data/home/run/1/fb_logic20]$ pmap $(pidof fba1_logic20)
1304:   ./fba1_logic20 fb.ini
0000000000400000    644K r-x--  /data/home/run/1/fb_logic20/fba1_logic20
00000000006a1000      4K rw---  /data/home/run/1/fb_logic20/fba1_logic20
00000000024f4000   9116K rw---    [ anon ]
00007f650c000000    140K rw---    [ anon ]
00007f650c023000  65396K -----    [ anon ]
00007f6510000000    140K rw---    [ anon ]
00007f6510023000  65396K -----    [ anon ]
00007f6514000000    140K rw---    [ anon ]
00007f6514023000  65396K -----    [ anon ]
00007f6518000000    140K rw---    [ anon ]
00007f6518023000  65396K -----    [ anon ]
00007f651c000000    140K rw---    [ anon ]
00007f651c023000  65396K -----    [ anon ]
00007f6520000000    140K rw---    [ anon ]
00007f6520023000  65396K -----    [ anon ]
00007f6524000000    140K rw---    [ anon ]
00007f6524023000  65396K -----    [ anon ]
00007f6528000000    140K rw---    [ anon ]
00007f6528023000  65396K -----    [ anon ]
00007f652cffa000      4K -----    [ anon ]
00007f652cffb000   8192K rw---    [ anon ]
00007f652d7fb000      4K -----    [ anon ]
00007f652d7fc000   8192K rw---    [ anon ]
00007f652dffc000      4K -----    [ anon ]
00007f652dffd000   8192K rw---    [ anon ]
00007f652e7fd000      4K -----    [ anon ]
00007f652e7fe000   8192K rw---    [ anon ]
00007f652effe000      4K -----    [ anon ]
00007f652efff000   8192K rw---    [ anon ]
00007f652f7ff000      4K -----    [ anon ]
00007f652f800000   8192K rw---    [ anon ]
00007f6530000000    140K rw---    [ anon ]
00007f6530023000  65396K -----    [ anon ]
00007f6534000000    140K rw---    [ anon ]
00007f6534023000  65396K -----    [ anon ]
00007f6538000000    140K rw---    [ anon ]
00007f6538023000  65396K -----    [ anon ]
00007f653c000000    140K rw---    [ anon ]
00007f653c023000  65396K -----    [ anon ]
00007f6540000000    140K rw---    [ anon ]
00007f6540023000  65396K -----    [ anon ]
00007f6544000000    140K rw---    [ anon ]
00007f6544023000  65396K -----    [ anon ]
00007f6548000000    140K rw---    [ anon ]
00007f6548023000  65396K -----    [ anon ]
00007f654c000000    140K rw---    [ anon ]
00007f654c023000  65396K -----    [ anon ]
00007f6550000000    140K rw---    [ anon ]
00007f6550023000  65396K -----    [ anon ]
00007f6554000000    140K rw---    [ anon ]
00007f6554023000  65396K -----    [ anon ]
00007f65587f9000      4K -----    [ anon ]
00007f65587fa000   8192K rw---    [ anon ]
00007f6558ffa000      4K -----    [ anon ]
00007f6558ffb000   8192K rw---    [ anon ]
00007f65597fb000      4K -----    [ anon ]
00007f65597fc000   8192K rw---    [ anon ]
00007f6559ffc000      4K -----    [ anon ]
00007f6559ffd000   8192K rw---    [ anon ]
00007f655a7fd000      4K -----    [ anon ]
00007f655a7fe000   8192K rw---    [ anon ]
00007f655affe000      4K -----    [ anon ]
00007f655afff000   8192K rw---    [ anon ]
00007f655b7ff000      4K -----    [ anon ]
00007f655b800000   8192K rw---    [ anon ]
00007f655c000000    140K rw---    [ anon ]
00007f655c023000  65396K -----    [ anon ]
00007f6560000000    140K rw---    [ anon ]
00007f6560023000  65396K -----    [ anon ]
00007f6564000000    132K rw---    [ anon ]
00007f6564021000  65404K -----    [ anon ]
00007f656823a000      4K -----    [ anon ]
00007f656823b000   8192K rw---    [ anon ]
00007f6568a3b000      4K -----    [ anon ]
00007f6568a3c000   8192K rw---    [ anon ]
00007f656923c000      4K -----    [ anon ]
00007f656923d000   8192K rw---    [ anon ]
00007f6569a3d000      4K -----    [ anon ]
00007f6569a3e000   8192K rw---    [ anon ]
00007f656a23e000      4K -----    [ anon ]
00007f656a23f000   8192K rw---    [ anon ]
00007f656aa3f000      4K -----    [ anon ]
00007f656aa40000   8192K rw---    [ anon ]
00007f656b240000      4K -----    [ anon ]
00007f656b241000   8192K rw---    [ anon ]
00007f656ba41000      4K -----    [ anon ]
00007f656ba42000   8192K rw---    [ anon ]