From: Mike Galbraith <umgwanakikbuti@gmail.com>
To: Vincent Guittot <vincent.guittot@linaro.org>
Cc: Peter Zijlstra <peterz@infradead.org>,
LKML <linux-kernel@vger.kernel.org>,
Rik van Riel <riel@redhat.com>
Subject: Re: [patch v3.18+ regression fix] sched: Further improve spurious CPU_IDLE active migrations
Date: Thu, 01 Sep 2016 08:37:06 +0200 [thread overview]
Message-ID: <1472711826.3979.78.camel@gmail.com> (raw)
In-Reply-To: <1472703062.3979.60.camel@gmail.com>
On Thu, 2016-09-01 at 06:11 +0200, Mike Galbraith wrote:
> I don't see a great alternative to turning it off off the top of my
> head, at least for processors with multiple LLCs.
Here of course I mean other than saying it's just not worth worrying
about such old processors, iff it's only old dogs that are affected.
Ignore it, they're dinosaurs is a valid option. I really doubt there
are oodles of such boxen in active use out in the real world.. if there
were, surely there would be gripes, which afaik has not happened.
-Mike
next prev parent reply other threads:[~2016-09-01 6:37 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-30 5:42 [patch v3.18+ regression fix] sched: Further improve spurious CPU_IDLE active migrations Mike Galbraith
2016-08-31 10:01 ` Peter Zijlstra
2016-08-31 10:18 ` Mike Galbraith
2016-08-31 10:36 ` Mike Galbraith
2016-08-31 15:52 ` Vincent Guittot
2016-09-01 4:11 ` Mike Galbraith
2016-09-01 6:37 ` Mike Galbraith [this message]
2016-09-01 8:09 ` Vincent Guittot
2016-09-05 16:26 ` [v2 patch " Mike Galbraith
2016-09-06 13:01 ` Vincent Guittot
2016-09-06 13:07 ` Mike Galbraith
2016-09-06 13:42 ` Vincent Guittot
2016-09-06 13:59 ` Mike Galbraith
2016-09-06 13:44 ` Mike Galbraith
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