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(parent: f65cb45) | patch
perfcounters: use hw_event.disable flag
authorIngo Molnar <mingo@elte.hu>
Tue, 16 Dec 2008 23:43:10 +0000 (00:43 +0100)
committerIngo Molnar <mingo@elte.hu>
Wed, 17 Dec 2008 00:02:21 +0000 (01:02 +0100)
commita86ed50859d65a08beec9474df97b88438a996df
tree355cd6dcbba43662e2db925c25cedeaa27286bbbtree
parentf65cb45cba63f249458b669aa67069eabc37b2f5commit | diff
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>
kernel/perf_counter.c diff | blob | history
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