Messages in this thread | | | From | Namhyung Kim <> | Subject | Re: [PATCH 0/4] perf: Teach perf tool to profile sleep times (v2) | Date | Wed, 08 Aug 2012 14:30:53 +0900 |
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On Wed, 8 Aug 2012 09:02:18 +0400, Andrey Wagin wrote: > 2012/8/8 Namhyung Kim <namhyung@kernel.org>: >>> >>> $ ./perf record -e sched:sched_stat_sleep -e sched:sched_switch \ >>> -e sched:sched_process_exit -gP -o ~/perf.data.raw ~/foo > > Actually this string is not completed, because sched:sched_switch > should be filtered by state. > >>> [ perf record: Woken up 1 times to write data ] >>> [ perf record: Captured and wrote 0.015 MB /root/perf.data.raw (~661 samples) ] >>> $ ./perf inject -v -s -i ~/perf.data.raw -o ~/perf.data >>> $ ./perf report -i ~/perf.data >> >> The usage like this is too specific and hard to use IMHO. How about >> putting it somehow into perf sched or new command? >> >> /me don't have an idea though. :-) >> > > I'm going to add a script, so the usage will look like this: > $ perf script record sched-stat -e sched:sched_stat_sleep <command> > This command will collect sched_stat_* and proper sched_switch events
??? That means '-e sched:sched_stat_sleep' part can be removed from command line, no?
Thanks, Namhyung
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