pidstat 명령어 프로세스 부하 보기
http://www.thegeekstuff.com/2014/11/pidstat-examples/
리눅스에서 과부하 프로세스를 다음과 같이 2초간 5번 출력하도록 해서 바쁜 프로세스를 확인할 수 있다.
# pidstat 2 5
리눅스에서 과부하 프로세스를 다음과 같이 2초간 5번 출력하도록 해서 바쁜 프로세스를 확인할 수 있다.
# pidstat 2 5
10:54:39 AM UID PID %usr %system %guest %CPU CPU Command 10:54:41 AM 0 58 0.00 0.50 0.00 0.50 0 rcu_sched 10:54:41 AM 0 15801 0.99 0.00 0.00 0.99 20 java 10:54:41 AM 0 19560 0.00 1.49 0.00 1.49 24 htop 10:54:41 AM 0 33089 0.00 0.50 0.00 0.50 18 pidstat 10:54:41 AM UID PID %usr %system %guest %CPU CPU Command 10:54:43 AM 27 14715 0.50 0.50 0.00 1.00 4 mysqld 10:54:43 AM 0 15801 7.00 0.50 0.00 7.50 20 java 10:54:43 AM 0 19560 0.50 0.50 0.00 1.00 24 htop 10:54:43 AM 0 33089 0.50 1.00 0.00 1.50 18 pidstat 10:54:43 AM UID PID %usr %system %guest %CPU CPU Command 10:54:45 AM 27 14715 11.50 0.00 0.00 11.50 4 mysqld 10:54:45 AM 0 15198 0.00 0.50 0.00 0.50 14 kworker/14:2 10:54:45 AM 0 15801 8.00 0.50 0.00 8.50 20 java 10:54:45 AM 0 19560 0.50 0.50 0.00 1.00 24 htop 10:54:45 AM 0 33089 0.00 0.50 0.00 0.50 18 pidstat 10:54:45 AM UID PID %usr %system %guest %CPU CPU Command 10:54:47 AM 0 15801 1.00 0.00 0.00 1.00 20 java 10:54:47 AM 0 19560 0.50 1.00 0.00 1.50 24 htop 10:54:47 AM 0 33089 0.00 0.50 0.00 0.50 18 pidstat 10:54:47 AM UID PID %usr %system %guest %CPU CPU Command 10:54:49 AM 0 669 0.00 0.50 0.00 0.50 7 kworker/7:2 10:54:49 AM 27 14715 0.50 0.00 0.00 0.50 4 mysqld 10:54:49 AM 0 15801 3.50 1.00 0.00 4.50 20 java 10:54:49 AM 0 28021 0.00 0.50 0.00 0.50 8 kworker/8:0 10:54:49 AM 0 33089 0.50 1.00 0.00 1.50 18 pidstat Average: UID PID %usr %system %guest %CPU CPU Command Average: 0 58 0.00 0.10 0.00 0.10 - rcu_sched Average: 0 669 0.00 0.10 0.00 0.10 - kworker/7:2 Average: 27 14715 2.50 0.10 0.00 2.59 - mysqld Average: 0 15198 0.00 0.10 0.00 0.10 - kworker/14:2 Average: 0 15801 4.09 0.40 0.00 4.49 - java Average: 0 19560 0.30 0.70 0.00 1.00 - htop Average: 0 28021 0.00 0.10 0.00 0.10 - kworker/8:0 Average: 0 33089 0.20 0.70 0.00 0.90 - pidstat
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