thread-times.stp
分用户态和系统态列出耗cpu的信息
comm tid %user %kernel (of 89639 ticks)
java 2491 0.05% 0.03%
java 2614 0.04% 0.03%
java 2573 0.04% 0.04%
java 2745 0.44% 0.16%
java 2602 0.03% 0.04%
java 2613 0.04% 0.03%
java 2740 0.52% 0.13%
java 2760 0.46% 0.09%
java 2616 0.05% 0.04%
java 2752 0.50% 0.16%
rcu_sched 9 0.00% 0.10%
java 2743 0.50% 0.14%
java 2741 0.55% 0.13%
java 2746 0.49% 0.09%
java 2750 0.57% 0.12%
java 2758 0.04% 0.01%
java 2757 0.51% 0.12%
java 2747 0.49% 0.16%
java 2759 0.59% 0.07%
java 2756 0.45% 0.11%
timeout.stp
跟踪以下系统调用，没有发生事件而超时的次数
- poll
- select
- epoll
- itimer
- futex
- nanosleep
- signal
pid | poll select epoll itimer futex nanosle signal| process 2268 | 0 0 7153 2 0 0 0| java 29292 | 0 0 0 0 0 282 0| YDService 729 | 0 0 29 0 0 0 0| nscd 0 | 0 0 0 17 0 0 0| swapper/6 9852 | 0 15 0 0 0 0 0| sshd 9749 | 0 0 0 0 0 11 0| YDLive 790 | 0 0 0 0 0 8 0| zabbix_agentd 721 | 0 8 0 0 0 0 0| tuned 794 | 0 0 0 0 0 8 0| zabbix_agentd 9699 | 0 8 0 0 0 0 0| barad_agent 699 | 0 0 7 0 0 0 0| auditd 9698 | 0 7 0 0 0 0 0| barad_agent 767 | 0 1 0 0 0 4 0| crond 792 | 0 5 0 0 0 0 0| zabbix_agentd 728 | 0 0 4 0 0 0 0| dbus-daemon 793 | 0 4 0 0 0 0 0| zabbix_agentd 14747 | 2 0 0 0 0 0 0| ntpdate 791 | 0 1 0 0 0 0 0| zabbix_agentd 9697 | 0 1 0 0 0 0 0| barad_agentfutuxes.stp
列出锁的争用情况
java[2268] lock 0x7fcb940ce354 contended 26 times, 4313 avg us
java[2268] lock 0x7fcb78008754 contended 5 times, 359373 avg us
java[2268] lock 0x7fca0c00ac54 contended 5 times, 359100 avg us
java[2268] lock 0x7fd51c036554 contended 404 times, 78462 avg us
java[2268] lock 0x7fca5c003054 contended 52 times, 11004 avg us
java[2268] lock 0x7fcb90061654 contended 5 times, 319993 avg us
java[2268] lock 0x7fcadc02aa28 contended 4 times, 11 avg us
java[2268] lock 0x7fcb940bf188 contended 5 times, 14 avg us
java[2268] lock 0x7fcb94028424 contended 983 times, 28268 avg us
java[2268] lock 0x7fca300194e4 contended 10 times, 1022507 avg us