Date: Thu, 28 Aug 2003 10:07:16 -0700
From: William Lee Irwin III <wli@holomorphy.com>
To: Peter Chubb <peter@chubb.wattle.id.au>, Andrew Morton <akpm@osdl.org>,
       Peter Chubb <peterc@gelato.unsw.edu.au>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] 2.6.0-test4 -- add context switch counters
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On Wed, Aug 27, 2003 at 12:51:43AM -0700, William Lee Irwin III wrote:
>> We don't have load control yet; the counters should probably be removed
>> until we do.

On Thu, Aug 28, 2003 at 09:55:04AM -0700, Mike Fedyk wrote:
> Why not just count the number of pages swapped in/out per process?  I'm sure
> that would be helpful for VM tools polling for stats from userspace...  And
> even in the development of load control.

That's good to report, sure; however, that would violate the semantics
of getrusage(), whose nswap refers to whole-process swapping done for
the purposes of reducing the multiprogramming level (i.e. load control).


-- wli
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