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Date: Tue, 01 Jul 2014 14:10:05 +0800 From: Michael wang <wangyun@...ux.vnet.ibm.com> To: Mike Galbraith <umgwanakikbuti@...il.com> CC: Peter Zijlstra <peterz@...radead.org>, Rik van Riel <riel@...hat.com>, Ingo Molnar <mingo@...nel.org>, Alex Shi <alex.shi@...aro.org>, Paul Turner <pjt@...gle.com>, Mel Gorman <mgorman@...e.de>, Daniel Lezcano <daniel.lezcano@...aro.org>, LKML <linux-kernel@...r.kernel.org> Subject: Re: [PATCH] sched: select 'idle' cfs_rq per task-group to prevent tg-internal imbalance 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 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@...r.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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