Linux 不同方法查看进程消耗CPU IO 等

1、用top命令指定固定的PID

top -p 10997

查询指定进程的PID

ps -ef | grep zookeeper

jim      10997  1959  0 12月14 pts/2  00:00:01 /usr/lib/jvm/java-8-oracle/bin/java -Dzookeeper.log.dir=. -Dzookeeper.root.logger=INFO,CONSOLE -cp /home/jim/opt/zookeeper-3.4.9/bin/../build/classes:/home/jim/opt/zookeeper-3.4.9/bin/../build/lib/*.jar:/home/jim/opt/zookeeper-3.4.9/bin/../lib/slf4j-log4j12-1.6.1.jar:/home/jim/opt/zookeeper-3.4.9/bin/../lib/slf4j-api-1.6.1.jar:/home/jim/opt/zookeeper-3.4.9/bin/../lib/netty-3.10.5.Final.jar:/home/jim/opt/zookeeper-3.4.9/bin/../lib/log4j-1.2.16.jar:/home/jim/opt/zookeeper-3.4.9/bin/../lib/jline-0.9.94.jar:/home/jim/opt/zookeeper-3.4.9/bin/../zookeeper-3.4.9.jar:/home/jim/opt/zookeeper-3.4.9/bin/../src/java/lib/*.jar:/home/jim/opt/zookeeper-3.4.9/bin/../conf: -Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.local.only=false org.apache.zookeeper.server.quorum.QuorumPeerMain /home/jim/opt/zookeeper-3.4.9/bin/../conf/zoo.cfg

2、使用ps查询指定进程名或者PID的占用情况

ps -aux | grep zookeeper

ps -aux | grep 2181

jim      10997  0.0  0.1 11522940 65176 pts/2  Sl   12月14   0:01 /usr/lib/jvm/java-8-oracle/bin/java -Dzookeeper.log.dir=. -Dzookeeper.root.logger=INFO,CONSOLE -cp /home/jim/opt/zookeeper-3.4.9/bin/../build/classes:/home/jim/opt/zookeeper-3.4.9/bin/../build/lib/*.jar:/home/jim/opt/zookeeper-3.4.9/bin/../lib/slf4j-log4j12-1.6.1.jar:/home/jim/opt/zookeeper-3.4.9/bin/../lib/slf4j-api-1.6.1.jar:/home/jim/opt/zookeeper-3.4.9/bin/../lib/netty-3.10.5.Final.jar:/home/jim/opt/zookeeper-3.4.9/bin/../lib/log4j-1.2.16.jar:/home/jim/opt/zookeeper-3.4.9/bin/../lib/jline-0.9.94.jar:/home/jim/opt/zookeeper-3.4.9/bin/../zookeeper-3.4.9.jar:/home/jim/opt/zookeeper-3.4.9/bin/../src/java/lib/*.jar:/home/jim/opt/zookeeper-3.4.9/bin/../conf: -Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.local.only=false org.apache.zookeeper.server.quorum.QuorumPeerMain /home/jim/opt/zookeeper-3.4.9/bin/../conf/zoo.cfg

10997为PID

0.0为CPU占用百分比（注意：如果有两个CPU，32核64线程，那么总占比是6400%）

0.1为内存占用百分比

3、查看更详细的内存占比

cat /proc/10997/status

Name:    java

State:    S (sleeping)

Tgid:    10997

Ngid:    0

Pid:    10997

PPid:    1959

TracerPid:    0

Uid:    1000    1000    1000    1000

Gid:    1000    1000    1000    1000

FDSize:    256

Groups:    4 24 27 30 46 113 128 130 132 134 1000 1002

NStgid:    10997

NSpid:    10997

NSpgid:    10987

NSsid:    10914

VmPeak:    11522940 kB

VmSize:    11522940 kB

VmLck:           0 kB

VmPin:           0 kB

VmHWM:       65176 kB

VmRSS:       65176 kB

VmData:    11462972 kB

VmStk:         140 kB

VmExe:           4 kB

VmLib:       17064 kB

VmPTE:         460 kB

VmPMD:          28 kB

VmSwap:           0 kB

HugetlbPages:           0 kB

Threads:    25

SigQ:    0/128292

SigPnd:    0000000000000000

ShdPnd:    0000000000000000

SigBlk:    0000000000000000

SigIgn:    0000000000000003

SigCgt:    2000000181005ccc

CapInh:    0000000000000000

CapPrm:    0000000000000000

CapEff:    0000000000000000

CapBnd:    0000003fffffffff

CapAmb:    0000000000000000

Seccomp:    0

Cpus_allowed:    ff

Cpus_allowed_list:    0-7

Mems_allowed:    00000000,00000001

Mems_allowed_list:    0

voluntary_ctxt_switches:    86

nonvoluntary_ctxt_switches:    2

VmRSS为内存

转载：https://blog.csdn.net/zhufengyan521521/article/details/84674617

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Linux 不同方法查看进程消耗CPU IO 等

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