Re: [RFC] sched: The removal of idle_balance()

From: Mike Galbraith
Date: Sun Feb 17 2013 - 22:42:48 EST

On Sun, 2013-02-17 at 16:54 -0500, Steven Rostedt wrote:
> On Sun, 2013-02-17 at 08:14 +0100, Mike Galbraith wrote:
> > (And puts a dent in x264 ultrafast)

> What about my last patch? The one that avoids idle_balance() if the
> previous task was in a task_uninterruptible state. That one gave the
> same performance increase that removing idle_balance() did on my box.

I didn't try it, figuring it was pretty much the same as turning it off,
but just did. Patch (-typo) has no effect on either x264 or hackbench
(surely will for -rt, but rt tasks here aren't sent to burn in rt hell).


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