From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Sun, 20 Nov 2011 22:30:47 +0000 (+0100)
Subject: perf, x86: Provide means for disabling userspace RDPMC
X-Git-Tag: v3.4-rc1~192^2~25^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0c9d42ed4cee2aa1dfc3a260b741baae8615744f;p=pandora-kernel.git

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>
---

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