Re: [PATCH RFC 6/7] sched: cfs: cpu frequency scaling based on task placement

2014-11-27 Thread Preeti U Murthy
On 10/22/2014 11:37 AM, Mike Turquette wrote: > {en,de}queue_task_fair are updated to track which cpus will have changed > utilization values as function of task queueing. The affected cpus are > passed on to arch_eval_cpu_freq for further machine-specific processing > based on a selectable policy.

Re: [PATCH RFC 6/7] sched: cfs: cpu frequency scaling based on task placement

2014-10-27 Thread Dietmar Eggemann
Hi Mike, On 22/10/14 07:07, Mike Turquette wrote: > {en,de}queue_task_fair are updated to track which cpus will have changed > utilization values as function of task queueing. The sentence is a little bit misleading. We update the se utilization contrib and the cfs_rq utilization in {en,de}queue_

Re: [PATCH RFC 6/7] sched: cfs: cpu frequency scaling based on task placement

2014-10-27 Thread Peter Zijlstra
On Tue, Oct 21, 2014 at 11:07:30PM -0700, Mike Turquette wrote: > {en,de}queue_task_fair are updated to track which cpus will have changed > utilization values as function of task queueing. The affected cpus are > passed on to arch_eval_cpu_freq for further machine-specific processing > based on a

Re: [PATCH RFC 6/7] sched: cfs: cpu frequency scaling based on task placement

2014-10-22 Thread Preeti U Murthy
Hi Mike, On 10/22/2014 11:37 AM, Mike Turquette wrote: > {en,de}queue_task_fair are updated to track which cpus will have changed > utilization values as function of task queueing. The affected cpus are > passed on to arch_eval_cpu_freq for further machine-specific processing > based on a selectab

[PATCH RFC 6/7] sched: cfs: cpu frequency scaling based on task placement

2014-10-21 Thread Mike Turquette
{en,de}queue_task_fair are updated to track which cpus will have changed utilization values as function of task queueing. The affected cpus are passed on to arch_eval_cpu_freq for further machine-specific processing based on a selectable policy. arch_scale_cpu_freq is called from run_rebalance_dom