From: Kyle McMartin <kyle@mcmartin.ca>
To: Rik van Riel <riel@redhat.com>
Cc: Prarit Bhargava <prarit@redhat.com>,
Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: 3.0.0-rc6 ~9X system time degradation on kernbench
Date: Sat, 9 Jul 2011 18:48:03 -0400 [thread overview]
Message-ID: <20110709224803.GC9545@bombadil.infradead.org> (raw)
In-Reply-To: <4E17A4BF.5050500@redhat.com>
On Fri, Jul 08, 2011 at 08:45:51PM -0400, Rik van Riel wrote:
> On 07/08/2011 03:36 PM, Prarit Bhargava wrote:
> >Just some numbers out of kernbench. System Time& Context Switches
> >climb dramatically between 2.6.38 and 3.0.0-rc6. Currently bisecting to
> >find out why. .config is based on Fedora's x86_64 .config.
>
Er, if you're using Fedora's config, did you 'make release' first?
grep DEBUG in the config and see why... ;-)
> For the record, I am also seeing dramatically increased
> CPU use with the 3.0-rc kernel, vs 2.6.38.
>
> I first attributed it to me upgrading my video card, but
> Prarit is seeing slowdowns too, so it's not just me...
>
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next prev parent reply other threads:[~2011-07-09 22:48 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-08 19:36 Prarit Bhargava
2011-07-09 0:45 ` Rik van Riel
2011-07-09 22:48 ` Kyle McMartin [this message]
2011-07-14 22:14 ` Prarit Bhargava
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