Messages in this thread | | | Date | Wed, 15 Jan 2014 22:37:56 +0800 | From | Alex Shi <> | Subject | Re: [RFC PATCH] sched: find the latest idle cpu |
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On 01/15/2014 03:35 PM, Peter Zijlstra wrote: > On Wed, Jan 15, 2014 at 12:07:59PM +0800, Alex Shi wrote: >> Currently we just try to find least load cpu. If some cpus idled, >> we just pick the first cpu in cpu mask. >> >> In fact we can get the interrupted idle cpu or the latest idled cpu, >> then we may get the benefit from both latency and power. >> The selected cpu maybe not the best, since other cpu may be interrupted >> during our selecting. But be captious costs too much. > > No, we should not do anything like this without first integrating > cpuidle. > > At which point we have a sane view of the idle states and can make a > sane choice between them. >
Daniel,
Any comments to make it better?
-- Thanks Alex
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