linux-kernel - Re: [RFC PATCH v3] sched: Limit idle balance based on max cost per sched domain

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Date:	Thu, 22 Aug 2013 12:42:10 -0700
From:	Jason Low <jason.low2@...com>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Ingo Molnar <mingo@...hat.com>, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [RFC PATCH v3] sched: Limit idle balance based on max cost per
 sched domain

On Thu, 2013-08-22 at 13:10 +0200, Peter Zijlstra wrote:
> Fully agreed, this is something we should do regardless -- for as long
> as we preserve the avg_idle() machinery anyway :-)

Okay, I'll have the avg_idle fix as part 1 of the v4 patchset.

> The thing you 'forgot' to mention is if this patch actually helps you
> workload?

Yes, this helps a lot of the workloads on the 8 socket machines. I will
be sure to include some numbers next time.

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