Messages in this thread | | | Date | Tue, 28 Apr 2009 18:51:33 +0800 | From | Zhaolei <> | Subject | [PATCH 0/4] workqueue_trace: Add max execution time mesurement for per worklet |
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Hi,
This patch add max execution time mesurement for per worklet. It is useful for driver-developer and system administrator to know which worklet runs how many time.
It need applied on top of patchset of: workqueue_tracepoint: Add worklet tracepoints for worklet lifecycle tracing
Output is like: # CPU INSERTED EXECUTED M_EXECus TASKNAME:PID # | | | | `-WORKFUNC # | | | | | 0 905 973 events/0:5 0 1 1 37 |-reg_todo+0x0/0x41f 0 13 12 2033 |-rt_worker_func+0x0/0x219 0 49 48 3157 |-mce_work_fn+0x0/0x31 0 14 13 939 |-check_corruption+0x0/0x2a 0 707 706 3826 |-vmstat_update+0x0/0x33 0 1 1 1846 |-power_supply_changed_work+0x0/0x3c 0 11 11 2879 |-console_callback+0x0/0xe1 0 30 29 1579 |-do_cache_clean+0x0/0x37 0 74 74 2841 |-test_work+0x0/0x53 0 3 2 252 |-rekey_seq_generator+0x0/0x5a 0 1 1 21 |-grace_ender+0x0/0x14 0 1 1 3701 `-flush_to_ldisc+0x0/0x15d 0 0 0 cpuset:6 0 658 658 khelper:7 0 658 658 5735 `-__call_usermodehelper+0x0/0x77 0 0 0 netns:11 ...
Thanks Zhaolei
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