From: Michael wang <wangyun@linux.vnet.ibm.com>
To: Mike Galbraith <umgwanakikbuti@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
Rik van Riel <riel@redhat.com>, Ingo Molnar <mingo@kernel.org>,
Alex Shi <alex.shi@linaro.org>, Paul Turner <pjt@google.com>,
Mel Gorman <mgorman@suse.de>,
Daniel Lezcano <daniel.lezcano@linaro.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] sched: select 'idle' cfs_rq per task-group to prevent tg-internal imbalance
Date: Tue, 01 Jul 2014 14:10:05 +0800 [thread overview]
Message-ID: <53B250BD.9080808@linux.vnet.ibm.com> (raw)
In-Reply-To: <1404193267.5159.28.camel@marge.simpson.net>
On 07/01/2014 01:41 PM, Mike Galbraith wrote:
> On Tue, 2014-07-01 at 10:57 +0800, Michael wang wrote:
>
>> IMHO, currently the generic scheduler just try to take care both latency
>> and throughput, both will take a little damage but won't be damaged too
>> much, they just sacrificed for each other...
>
> The cost can be large, so it's worth an occasional ponder.
Sure, if there are some useless efforts there, we'll locate them anyway,
sooner or later ;-)
Regards,
Michael Wang
>
> -Mike
>
> --
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prev parent reply other threads:[~2014-07-01 6:10 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-18 4:50 [PATCH] sched: select 'idle' cfs_rq per task-group to prevent tg-internal imbalance Michael wang
2014-06-23 9:42 ` Peter Zijlstra
2014-06-24 3:34 ` Michael wang
2014-07-01 8:20 ` Peter Zijlstra
2014-07-01 8:38 ` Michael wang
2014-07-01 8:56 ` Peter Zijlstra
2014-07-02 2:47 ` Michael wang
2014-07-02 12:49 ` Peter Zijlstra
2014-07-02 13:15 ` Peter Zijlstra
2014-07-03 16:29 ` Nicolas Pitre
2014-07-03 2:09 ` Michael wang
2014-07-02 14:47 ` Rik van Riel
2014-07-03 2:16 ` Michael wang
2014-07-03 3:51 ` Mike Galbraith
2014-07-11 16:11 ` Rik van Riel
2014-07-14 1:29 ` Michael wang
2014-06-30 7:36 ` Michael wang
2014-06-30 8:06 ` Mike Galbraith
2014-06-30 8:47 ` Michael wang
2014-06-30 9:27 ` Mike Galbraith
2014-07-01 2:57 ` Michael wang
2014-07-01 5:41 ` Mike Galbraith
2014-07-01 6:10 ` Michael wang [this message]
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