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: > g...@github.com:alexshi/power-scheduling.git noload > > Thanks > Alex > -- Thanks Alex -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/