From: Ingo Molnar <mingo@elte.hu>
Date: Tue, 16 Dec 2008 23:43:10 +0000 (+0100)
Subject: perfcounters: use hw_event.disable flag
X-Git-Tag: v2.6.31-rc1~383^2~555
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a86ed50859d65a08beec9474df97b88438a996df;p=pandora-kernel.git

perfcounters: use hw_event.disable flag

Impact: implement default-off counters

Make sure that counters that are created with counter.hw_event.disabled=1,
get created in disabled state.

They can be enabled via:

        prctl(PR_TASK_PERF_COUNTERS_ENABLE);

Signed-off-by: Ingo Molnar <mingo@elte.hu>
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