linux-kernel - Re: [.32-rc3] scheduler: iwlagn consistently high in "waiting for CPU"

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1255011186.7294.1.camel@marge.simson.net>
Date:	Thu, 08 Oct 2009 16:13:06 +0200
From:	Mike Galbraith <efault@....de>
To:	Arjan van de Ven <arjan@...radead.org>
Cc:	Frans Pop <elendil@...net.nl>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...e.hu>,
	Peter Zijlstra <peterz@...radead.org>,
	linux-wireless@...r.kernel.org
Subject: Re: [.32-rc3] scheduler: iwlagn consistently high in "waiting for
 CPU"

On Thu, 2009-10-08 at 06:40 -0700, Arjan van de Ven wrote:
> On Thu, 08 Oct 2009 06:05:43 +0200
> Mike Galbraith <efault@....de> wrote:

> > OK, I see latencytop spikes here on an idle box too, to the tune of up
> > to a _second_.  Booting with nohz=off seems to have cured it.
> 
> interesting..
> 
> 
> by chance, does this patch fix it ?

I haven't seen incredible yet, but with idle box, have seen > 200ms, so
would say no.

	-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/