mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: Johannes Berg <johannes@sipsolutions.net>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Martin Mokrejs <mmokrejs@fold.natur.cuni.cz>,
	Theodore Tso <tytso@mit.edu>,
	Thomas Gleixner <tglx@linutronix.de>,
	mingo@redhat.com, LKML <linux-kernel@vger.kernel.org>
Subject: Re: [sched_delayed] sched: RT throttling activated
Date: Fri, 23 Aug 2013 15:10:03 +0200	[thread overview]
Message-ID: <1377263403.14021.26.camel@jlt4.sipsolutions.net> (raw)
In-Reply-To: <20130823130629.GZ31370@twins.programming.kicks-ass.net>

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


  reply	other threads:[~2013-08-23 13:10 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-08-23  8:53 Martin Mokrejs
2013-08-23 10:09 ` Peter Zijlstra
2013-08-23 10:38   ` Martin Mokrejs
2013-08-23 11:02     ` Peter Zijlstra
2013-08-23 11:35       ` Martin Mokrejs
2013-08-23 12:10         ` Peter Zijlstra
2013-08-23 12:33           ` Johannes Berg
2013-08-23 13:06             ` Peter Zijlstra
2013-08-23 13:10               ` Johannes Berg [this message]
2013-08-23 12:46           ` Martin Mokrejs
2013-08-23 13:01             ` Martin Mokrejs
2013-08-23 19:07       ` Martin Mokrejs

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1377263403.14021.26.camel@jlt4.sipsolutions.net \
    --to=johannes@sipsolutions.net \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mingo@redhat.com \
    --cc=mmokrejs@fold.natur.cuni.cz \
    --cc=peterz@infradead.org \
    --cc=tglx@linutronix.de \
    --cc=tytso@mit.edu \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox

all inboxes | Powered by JetHome®