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(parent: 47fe38f) | patch
sched: Feature to disable APERF/MPERF cpu_power
authorPeter Zijlstra <a.p.zijlstra@chello.nl>
Thu, 3 Sep 2009 11:20:03 +0000 (13:20 +0200)
committerIngo Molnar <mingo@elte.hu>
Tue, 15 Sep 2009 14:51:28 +0000 (16:51 +0200)
commit8e6598af3f35629c37249a610cf13e73f70db279
treea341d416329f5331e4f7c6834d637266ba389b78tree | snapshot
parent47fe38fcff0517e67d395c039d2e26d2de688a60commit | diff
sched: Feature to disable APERF/MPERF cpu_power

I suspect a feed-back loop between cpuidle and the aperf/mperf
cpu_power bits, where when we have idle C-states lower the ratio,
which leads to lower cpu_power and then less load, which generates
more idle time, etc..

Put in a knob to disable it.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
kernel/sched.c diff | blob | history
kernel/sched_features.h diff | blob | history
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