対象を確認
[root@localhost ~]# ps -aux | head -10
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
root 1 0.0 0.3 173860 10100 ? Ss Aug12 0:16 /usr/lib/systemd/systemd --switched-root --system --deserialize 31
root 2 0.0 0.0 0 0 ? S Aug12 0:00 [kthreadd]
root 3 0.0 0.0 0 0 ? I< Aug12 0:00 [rcu_gp]
root 4 0.0 0.0 0 0 ? I< Aug12 0:00 [rcu_par_gp]
root 5 0.0 0.0 0 0 ? I< Aug12 0:00 [slub_flushwq]
root 6 0.0 0.0 0 0 ? I< Aug12 0:00 [netns]
root 8 0.0 0.0 0 0 ? I< Aug12 0:00 [kworker/0:0H-events_highpri]
root 10 0.0 0.0 0 0 ? I< Aug12 0:00 [mm_percpu_wq]
root 12 0.0 0.0 0 0 ? I Aug12 0:00 [rcu_tasks_kthre]
前後2行を一緒に表示
[root@localhost ~]# ps -aux | grep -2 rcu_par_gp
root 2 0.0 0.0 0 0 ? S Aug12 0:00 [kthreadd]
root 3 0.0 0.0 0 0 ? I< Aug12 0:00 [rcu_gp]
root 4 0.0 0.0 0 0 ? I< Aug12 0:00 [rcu_par_gp]
root 5 0.0 0.0 0 0 ? I< Aug12 0:00 [slub_flushwq]
root 6 0.0 0.0 0 0 ? I< Aug12 0:00 [netns]
--
省略
前2行を一緒に表示
[root@localhost ~]# ps -aux | grep -B 2 rcu_par_gp
root 2 0.0 0.0 0 0 ? S Aug12 0:00 [kthreadd]
root 3 0.0 0.0 0 0 ? I< Aug12 0:00 [rcu_gp]
root 4 0.0 0.0 0 0 ? I< Aug12 0:00 [rcu_par_gp]
--
省略
後ろ2行を一緒に表示
[root@localhost ~]# ps -aux | grep -A 2 rcu_par_gp
root 4 0.0 0.0 0 0 ? I< Aug12 0:00 [rcu_par_gp]
root 5 0.0 0.0 0 0 ? I< Aug12 0:00 [slub_flushwq]
root 6 0.0 0.0 0 0 ? I< Aug12 0:00 [netns]
--省略
