Re: [patch] Latency Tracer, voluntary-preempt-2.6.8-rc4-O6

Lee Revell
2004-08-20T00:09:43Z

On Thu, 2004-08-19 at 18:32, Lee Revell wrote:
> On Thu, 2004-08-19 at 15:30, Theodore Ts'o wrote:
> > On Thu, Aug 19, 2004 at 07:19:58AM -0400, Lee Revell wrote:
> > > > I doubt SHA_CODE_SIZE will make a sufficient difference to avoid the
> > > > latency problems. What we would need to do is to change the code so
> > > > that the rekey operation in __check_and_rekey takes place in a
> > > > workqueue. Say, something like this (warning, I haven't tested this
> > > > patch; if it breaks, you get to keep both pieces):
> > > >
> > >
> > > Tested, works for me. This should probably be pushed upstream, as well
> > > as added to -P5, correct? Is there any disadvantage to doing it this
> > > way?
> >
> > Great, I will be pushing this upstream very shortly.
> >
>
> Hmm, turns out that this does not fix the problem:
>

Here is another new one:

http://krustophenia.net/testresults.php?dataset=2.6.8.1-P4#/var/www/2.6.8.1-P4/kswapd_refill_inactive_zone_latency_trace.txt

Lee