Messages in this thread | | | Date | Tue, 17 May 2011 21:21:14 -0400 | From | Steven Rostedt <> | Subject | Re: [PATCH] sched: avoid overpull when pulling RT task |
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On Tue, May 17, 2011 at 10:25:54PM +0800, Hillf Danton wrote: > > Efforts are put on the puller's side, but bad result is reached:( > > Another patch is prepared, in which pusher is asked to do the hard works, > say pushees and tasks are selected. > > Unlike puller who only concerns one runqueue that accepts the pulled tasks, > pusher delivers tasks to more runqueues, so the overpull could get bigger. > > Please review again, thanks. >
Have you actually observed an overpull? And if so, how bad was it?
I hate to be fixing bugs that don't really exist.
-- Steve
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