linux-kernel - Re: [sched_delayed] sched: RT throttling activated

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Message-ID: <1377263403.14021.26.camel@jlt4.sipsolutions.net>
Date:	Fri, 23 Aug 2013 15:10:03 +0200
From:	Johannes Berg <johannes@...solutions.net>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Martin Mokrejs <mmokrejs@...d.natur.cuni.cz>,
	Theodore Tso <tytso@....edu>,
	Thomas Gleixner <tglx@...utronix.de>, mingo@...hat.com,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [sched_delayed] sched: RT throttling activated

On Fri, 2013-08-23 at 15:06 +0200, Peter Zijlstra wrote:

> > > >  2161  FF [irq/50-iwlwifi]

> > > And wow, why would that thing consume that much cpu. 
> > 
> > How much is "that much"?
> 
> 0.95s worth of time in the past 1s.

Huh, no, I have no idea how that can be. Any idea what it's doing?

johannes

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