linux-kernel - Re: 2.6.21-rc3-mm1 RSDL results

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Date:	Sun, 11 Mar 2007 10:34:01 +1100
From:	Con Kolivas <kernel@...ivas.org>
To:	Mark Lord <lkml@....ca>
Cc:	Serge Belyshev <belyshev@...ni.sinp.msu.ru>,
	William Lee Irwin III <wli@...omorphy.com>,
	Matt Mackall <mpm@...enic.com>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	akpm@...ux-foundation.org
Subject: Re: 2.6.21-rc3-mm1 RSDL results

On Sunday 11 March 2007 05:21, Mark Lord wrote:
> Con Kolivas wrote:
> > On Saturday 10 March 2007 05:07, Mark Lord wrote:
> >> Mmm.. when it's good, it's *really* good.
> >> My desktop feels snappier and all of that.
> >
> >..
> >
> >> But when it's bad, it stinks.
> >> Like when a "make -j2" kernel rebuild is happening in a background
> >> window
> >
> > And that's bad. When you say "it stinks" is it more than 3 times slower?
> > It should be precisely 3 times slower under that load (although low cpu
> > using things like audio wont be affected by running 3 times slower). If
> > it feels like much more than that much slower, there is a bug there
> > somewhere.
>
> Scrolling windows is incredibly jerkey, and very very sluggish
> when images are involved (eg. a large web page in firefox).
>
> > As another reader suggested, how does it run with the compile 'niced'?
> > How does it perform with make (without a -j number).
>
> Yes, it behaves itself when the "make -j2" is nice'd.
>
> >> This is on a Pentium-M 760 single-core, w/2GB SDRAM (notebook).
> >
> > What HZ are you running? Are you running a Beryl desktop?
>
> HZ==1000, NO_HZ, Kubunutu Dapper Drake distro, ATI X300 open-source X.org
> driver.

Can you try the new version of RSDL. Assuming it doesn't oops on you it has 
some accounting bugfixes which may have been biting you.

Thanks
-- 
-ck
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