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authorPeter Zijlstra <a.p.zijlstra@chello.nl>2010-07-09 09:15:43 -0400
committerIngo Molnar <mingo@elte.hu>2010-07-17 06:05:14 -0400
commitbbc8cb5baead9607309583b20873ab0cc8d89eaf (patch)
tree425cfb2772ef50c1858a7d833408ad1bcc423f51 /arch/powerpc/configs
parent5343bdb8fd076f16edc9d113a9e35e2a1d1f4966 (diff)
sched: Reduce update_group_power() calls
Currently we update cpu_power() too often, update_group_power() only updates the local group's cpu_power but it gets called for all groups. Furthermore, CPU_NEWLY_IDLE invocations will result in all cpus calling it, even though a slow update of cpu_power is sufficient. Therefore move the update under 'idle != CPU_NEWLY_IDLE && local_group' to reduce superfluous invocations. Reported-by: Venkatesh Pallipadi <venki@google.com> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Acked-by: Suresh Siddha <suresh.b.siddha@intel.com> LKML-Reference: <1278612989.1900.176.camel@laptop> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/powerpc/configs')
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