linux-kernel - Re: Very high CPU load when idle with 3.0-rc1

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Message-ID: <1306775989.2497.527.camel@laptop>
Date:	Mon, 30 May 2011 19:19:49 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	paulmck@...ux.vnet.ibm.com
Cc:	Damien Wyart <damien.wyart@...e.fr>, Ingo Molnar <mingo@...e.hu>,
	Mike Galbraith <efault@....de>, linux-kernel@...r.kernel.org
Subject: Re: Very high CPU load when idle with 3.0-rc1

On Mon, 2011-05-30 at 09:23 -0700, Paul E. McKenney wrote:
>         sp.sched_priority = RCU_KTHREAD_PRIO;
>         sched_setscheduler_nocheck(t, SCHED_FIFO, &sp); 

Why are those things RT tasks anyway? The old ksoftirq runs as a regular
task. And once you start boosting things you can boost this into FIFO as
well...

just wondering..

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