linux-kernel - Re: RSDL-mm 0.28

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Message-ID: <20070311040305.GT10394@waste.org>
Date:	Sat, 10 Mar 2007 22:03:05 -0600
From:	Matt Mackall <mpm@...enic.com>
To:	Con Kolivas <kernel@...ivas.org>
Cc:	linux-kernel <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>, ck@....kolivas.org
Subject: Re: RSDL-mm 0.28

On Sat, Mar 10, 2007 at 10:01:32PM -0600, Matt Mackall wrote:
> On Sun, Mar 11, 2007 at 01:28:22PM +1100, Con Kolivas wrote:
> > Ok I don't think there's any actual accounting problem here per se
> > (although I did just recently post a bugfix for rsdl however I think
> > that's unrelated). What I think is going on in the ccache testcase is
> > that all the work is being offloaded to kernel threads reading/writing
> > to/from the filesystem and the make is not getting any actual cpu
> > time.
> 
> I don't see significant system time while this is happening.

Also, it's running pretty much entirely out of page cache so there
wouldn't be a whole lot for kernel threads to do.

-- 
Mathematics is the supreme nostalgia of our time.
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