Messages in this thread | | | Date | Thu, 16 Aug 2012 13:26:17 +0800 | From | Alex Shi <> | Subject | Re: [discussion]sched: a rough proposal to enable power saving in scheduler |
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On 08/15/2012 10:55 PM, Peter Zijlstra wrote:
> On Wed, 2012-08-15 at 20:24 +0600, Rakib Mullick wrote: >> How do you plan to test this power saving scheme? Using powertop? Or, >> is there any other tools? > > We should start out simple enough that we can validate it by looking at > task placement by hand, eg. 4 tasks on a dual socket quad-core, should > only keep one socket awake. > > We can also add an power aware evaluator to Linsched (another one of > those things that needs getting sorted). > > And yeah, someone running with a power meter is of course king. > > _BUT_ we shouldn't go off the wall with power meters as that very > quickly gets very specific to the system being measured. > > We should really keep this thing as simple as possible while still > providing some benefit for all various architectures without tons of per > arch knobs and knowhow.
Definitely agree all!
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