Re: [PATCH] improve OProfile on many-way systems
From: John Levon
Date: Sat Aug 21 2004 - 18:23:02 EST
On Sat, Aug 21, 2004 at 01:58:33PM -0700, Andrew Morton wrote:
> > Anton prompted me to get this patch merged. It changes the core buffer
> > sync algorithm of OProfile to avoid global locks wherever possible.
> > Anton tested an earlier version of this patch with some success. I've
> > lightly tested this applied against 18.104.22.168-mm3 on my two-way machine.
> OK. Oprofile isn't the most commonly tested part of the kernel. Given
> that you've "lightly tested" it,
I hammered the patch with earlier kernel versions for some time a while
ago. But that was on a 2-way, which hardly counts as proper testing.
> how do we know when it has had sufficient testing for its swim upstream?
I thought one of the points of the mm tree was to give things some
> Does Philippe have some test suite, perhaps?
He doesn't have access to any SMP machines at all, last I heard.
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