linux查看指定進程的內存和cpu使用情況

參考：https://blog.csdn.net/sinat_33718563/article/details/97752990

 

查看進程的PID

ps -ef | grep iquota-server

 

使用ps -aux | grep pID號查看

ps -aux | grep 57128

返回

root      54345  0.0  0.0 112712   960 pts/1    S+   09:12   0:00 grep --color=auto 57128
root      57128  4.6 12.9 7360812 1032748 ?     Sl   Apr15 129:57 java -Xms1024m -Xmx2048m -XX:-UseGCOverheadLimit -DMYSQL_USERNAME=root -DMYSQL_PASSWORD=mysql@dongri -DREDIS_PASSWORD=redis@dongri! -jar /data/build/dataacquisition/iif-da-service-1.0.0.jar

其中下面的

4.6  cpu佔用率

12.9 內存佔用率

7360812 系統總內存

1032748 進程佔用內存

 

使用top -p PID查看總體佔用資源概況

top -p 57128

top - 09:19:40 up 2 days, 16:32,  2 users,  load average: 0.00, 0.01, 0.05
Tasks:   1 total,   0 running,   1 sleeping,   0 stopped,   0 zombie
%Cpu(s):  0.5 us,  0.1 sy,  0.0 ni, 99.3 id,  0.0 wa,  0.0 hi,  0.0 si,  0.1 st
KiB Mem :  7982128 total,  5499464 free,  1569704 used,   912960 buff/cache
KiB Swap:  8257532 total,  8257532 free,        0 used.  6145840 avail Mem 

   PID USER      PR  NI    VIRT    RES    SHR S  %CPU %MEM     TIME+ COMMAND                                                                                                                                                                                                 
 57128 root      20   0 7360812   1.0g  14100 S   4.3 12.9 130:16.58 java