Shulou(Shulou.com)06/02 Report--

- -1, through the top command to see java process pid

[root@m-tms-web1 logs]# top

PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND

4431 tms 15 0 10.5g 7.2g 15m S 6.0 61.5 756:15.88 java

- -2, split the process pid into thread pid

[root@m-tms-web1 logs]# top -Hp 4431

PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND

4460 tms 15 0 10.5g 7.2g 15m S 2.0 61.5 8:39.19 java

4467 tms 16 0 10.5g 7.2g 15m S 2.0 61.5 7:05.12 java

4431 tms 15 0 10.5g 7.2g 15m S 0.0 61.5 0:00.00 java

4432 tms 15 0 10.5g 7.2g 15m S 0.0 61.5 0:00.78 java

4433 tms 16 0 10.5g 7.2g 15m S 0.0 61.5 82:43.21 java

4434 tms 16 0 10.5g 7.2g 15m S 0.0 61.5 82:48.72 java

4435 tms 16 0 10.5g 7.2g 15m S 0.0 61.5 82:48.70 java

4436 tms 16 0 10.5g 7.2g 15m S 0.0 61.5 82:40.70 java

4437 tms 16 0 10.5g 7.2g 15m S 0.0 61.5 82:43.91 java

4438 tms 16 0 10.5g 7.2g 15m S 0.0 61.5 82:40.35 java

- -3, through the jstack command to see the stack information of each thread id

[root@m-tms-web1 logs]#jstack -l 4460 > out.txt

[root@m-tms-web1 logs]#jstack -F 4460 > out.txt

-l: See additional information about threads, including locked

-F: When the process has no return pending, use-F to force return thread information

See how long the 4431 process runs.

[root@m-tms-web1 logs]# ps -p 4431 -o etime

ELAPSED

1-00:36:46

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