Messages in this thread | | | Date | Wed, 23 Jan 2013 08:36:32 +0800 | From | Alex Shi <> | Subject | Re: [PATCH v3 09/22] sched: compute runnable load avg in cpu_load and cpu_avg_load_per_task |
| |
On 01/22/2013 05:52 PM, Mike Galbraith wrote: > On Tue, 2013-01-22 at 15:50 +0800, Alex Shi wrote: > >> Thanks for your suggestions and example, Mike! >> I just can't understand the your last words here, Sorry. what the >> detailed concern of you on 'both performance profiles with either >> metric'? Could you like to give your preferred solutions? > > Hm.. I'll try rephrasing. Any power saving gain will of necessity be > paid for in latency currency. I don't have a solution other than make a > button, let the user decide whether history influences fast path task > placement or not. Any other decision maker will get it wrong.
Um, if no other objection, I'd like to move the runnable load only used for power friendly policy -- for this patchset, they are 'powersaving' and 'balance', Can I?
> > -Mike >
-- Thanks Alex
| |