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From: Mike Galbraith <mgalbraith@suse.de>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@elte.hu>, LKML <linux-kernel@vger.kernel.org>
Subject: Re: commit e9e9250b: sync wakeup bustage when waker is an RT task
Date: Sat, 15 May 2010 19:32:12 +0200	[thread overview]
Message-ID: <1273944732.7807.6.camel@marge.simson.net> (raw)
In-Reply-To: <1273943222.8752.7.camel@marge.simson.net>

On Sat, 2010-05-15 at 19:07 +0200, Mike Galbraith wrote:
> On Sat, 2010-05-15 at 14:04 +0200, Peter Zijlstra wrote:

> > So basically make all RT wakeups sync?
> 
> I was going to just skip subtracting waker's weight ala
> 
>         /*
>          * If sync wakeup then subtract the (maximum possible)
>          * effect of the currently running task from the load
>          * of the current CPU:
>          */
> 	if (sync && !task_has_rt_policy(curr))
> 		...

(not.  hohum, something to piddle with over java manana)


  reply	other threads:[~2010-05-15 17:32 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-05-15 11:57 commit e9e9250b: sync wakeup bustage when waker is an RT task Mike Galbraith
2010-05-15 12:04 ` Peter Zijlstra
2010-05-15 17:07   ` Mike Galbraith
2010-05-15 17:32     ` Mike Galbraith [this message]
2010-05-16  7:21     ` Mike Galbraith
2010-05-17  4:38       ` Mike Galbraith
2010-05-17  8:49         ` Peter Zijlstra
2010-05-17  8:52           ` Peter Zijlstra
2010-05-17  9:04           ` Mike Galbraith
2010-05-31 11:56       ` Peter Zijlstra
2010-05-31 13:56         ` Mike Galbraith
2010-05-31 14:28           ` Peter Zijlstra
2010-05-31 18:03             ` Mike Galbraith
2010-06-01  6:40               ` Mike Galbraith
2010-06-01  9:12             ` [tip:sched/urgent] sched: Fix wake_affine() vs RT tasks tip-bot for Peter Zijlstra

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