1、用top命令指定固定的PID
top -p 10997
查詢指定進程的PID
ps -ef | grep zookeeper
shell判斷進程是否存在。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查詢指定進程名或者PID的占用情況
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
aix查看使用io最多的進程?10997為PID
0.0為CPU占用百分比(注意:如果有兩個CPU,32核64線程,那么總占比是6400%)
0.1為內存占用百分比
3、查看更詳細的內存占比
cat /proc/10997/status
shell查看cpu使用率、Name: java
State: S (sleeping)
Tgid: 10997
Ngid: 0
Pid: 10997
基本的io設備處理進程一般處于?PPid: 1959
TracerPid: 0
Uid: 1000 1000 1000 1000
Gid: 1000 1000 1000 1000
FDSize: 256
linux io測試、Groups: 4 24 27 30 46 113 128 130 132 134 1000 1002
NStgid: 10997
NSpid: 10997
NSpgid: 10987
NSsid: 10914
shell進程、VmPeak: 11522940 kB
VmSize: 11522940 kB
VmLck: 0 kB
VmPin: 0 kB
VmHWM: 65176 kB
當一個多線程進程中某個線程被阻塞。VmRSS:65176kB
VmData: 11462972 kB
VmStk: 140 kB
VmExe: 4 kB
VmLib: 17064 kB
進程的切換。VmPTE: 460 kB
VmPMD: 28 kB
VmSwap: 0 kB
HugetlbPages: 0 kB
Threads: 25
進程觸發io怎么理解、SigQ: 0/128292
SigPnd: 0000000000000000
ShdPnd: 0000000000000000
SigBlk: 0000000000000000
SigIgn: 0000000000000003
linux查看io圖形化。SigCgt: 2000000181005ccc
CapInh: 0000000000000000
CapPrm: 0000000000000000
CapEff: 0000000000000000
CapBnd: 0000003fffffffff
linux如何查看io使用率,CapAmb: 0000000000000000
Seccomp: 0
Cpus_allowed: ff
Cpus_allowed_list: 0-7
Mems_allowed: 00000000,00000001
threadlocal的值會在多線程間共享、Mems_allowed_list: 0
voluntary_ctxt_switches: 86
nonvoluntary_ctxt_switches: 2
VmRSS為內存
轉載:https://blog.csdn.net/zhufengyan521521/article/details/84674617
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