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SubjectRe: 2.6.9-rc1-mm1
On Friday 27 of August 2004 23:54, Rick Lindsley wrote:
> > Rafael, what baseline release are you comparing to? I should be able
> > to provide some tools to measure the effect on updatedb directly for
> > both 2.6.9-rc1 and your baseline (so long as it's 2.6-based)
>, for example. I'd like to compate it with the 2.6.9-rc1-mm1,
> which contains the Nick's scheduler (2.6.9-rc1 has the same scheduler as
>, AFAIK).
> Okay. A schedstats patch for is available at
> or
> You can also pick up the program "latency.c" at
> With these two things in hand, you should be able to measure the latency
> on of a particular process.
> A patch is not necessary for 2.6.9-rc1-mm1 (schedstats is already in there)
> but you will need to config the kernel to use it. Then retrieve a slightly
> different latency.c:
> since 2.6.9-rc1-mm1 output format is different (as you noted, it's a
> different scheduler.) Then you should be able to see if the latency of
> a particular process (updatedb, for instance) changes.

Thanks a lot Rick, I'll give it a try tomorrow.


For a successful technology, reality must take precedence over public
relations, for nature cannot be fooled.
-- Richard P. Feynman
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