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SubjectRe: [PATCH v2 0/11] remove cpu_load in rq
On 02/17/2014 09:55 AM, Alex Shi wrote:
> The cpu_load decays on time according past cpu load of rq. The sched_avg also decays tasks' load on time. Now we has 2 kind decay for cpu_load. That is a kind of redundancy. And increase the system load by decay calculation. This patch try to remove the cpu_load decay.
> There are 5 load_idx used for cpu_load in sched_domain. busy_idx and idle_idx are not zero usually, but newidle_idx, wake_idx and forkexec_idx are all zero on every arch. A shortcut to remove cpu_Load decay in the first patch. just one line patch for this change.
> V2,
> 1, This version do some tuning on load bias of target load, to maximum match current code logical.
> 2, Got further to remove the cpu_load in rq.
> 3, Revert the patch 'Limit sd->*_idx range on sysctl' since no needs

Any comments for this? :)

> Any testing/comments are appreciated.
> This patch rebase on latest tip/master.
> The git tree for this patchset at:
> noload
> Thanks
> Alex


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