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(parent: fe4a330) | patch
perf, x86: Provide means for disabling userspace RDPMC
authorPeter Zijlstra <a.p.zijlstra@chello.nl>
Sun, 20 Nov 2011 22:30:47 +0000 (23:30 +0100)
committerIngo Molnar <mingo@elte.hu>
Wed, 21 Dec 2011 10:01:11 +0000 (11:01 +0100)
commit0c9d42ed4cee2aa1dfc3a260b741baae8615744f
tree393a3a3d0be5cbd57e1d03490b3f6a5a15d5367dtree | snapshot
parentfe4a330885aee20f233de36085fb15c38094e635commit | diff
perf, x86: Provide means for disabling userspace RDPMC

Allow the disabling of RDPMC via a pmu specific attribute:

  echo 0 > /sys/bus/event_source/devices/cpu/rdpmc

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Cc: Arun Sharma <asharma@fb.com>
Link: http://lkml.kernel.org/n/tip-pqeog465zo5hsimtkfz73f27@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
arch/x86/kernel/cpu/perf_event.c diff | blob | history
arch/x86/kernel/cpu/perf_event.h diff | blob | history
include/linux/perf_event.h diff | blob | history
kernel/events/core.c diff | blob | history
John Crispins staging tree