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62e503b7ed
The perf_event_attr.task bit is to track task (fork and exit) events but it missed to be set by perf_evsel__config(). While it was not a problem in practice since setting other bits (comm/mmap) ended up being in same result, it'd be good to set it explicitly anyway. The attr->task is to track task related events (fork/exit) only but other meta events like comm and mmap[2] also needs the task events. So setting attr->comm and/or attr->mmap causes the kernel emits the task events anyway. So the attr->task is only meaningful when other bits are off but I'd like to set it for completeness. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/1422518843-25818-6-git-send-email-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
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