tree 393a3a3d0be5cbd57e1d03490b3f6a5a15d5367d
parent fe4a330885aee20f233de36085fb15c38094e635
author Peter Zijlstra <a.p.zijlstra@chello.nl> 1321828247 +0100
committer Ingo Molnar <mingo@elte.hu> 1324461671 +0100

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>