[haiku-development] Re: Reproducing system pauses.
- From: "Bruno Albuquerque" <bga@xxxxxxxxxxxxx>
- To: haiku-development@xxxxxxxxxxxxx
- Date: Thu, 23 Jul 2009 15:52:54
On Thu, 23 Jul 2009 17:44:55 +0200 CEST, Axel Dörfler said:
> > Can some of you guys try this and let me know if you also see the
> > problem? I jsut want to rule out the problem is not on my specific
> > configuration.
>
> FWIW I've also seen this problem on two different systems (one of
> them
> the EeePC, where it made the system pretty much unusable during a svn
> up).
Well, at least it is not just me. :)
> > AFAIK, ActivityMonitor does not try to access the disk when
> > rendering
> > the memory and cpu graphics (if it does, something is worng with
> > it),
> > so the pause can not be attributed to it not being able to read
> > something from disk because of heavy IO.
>
> ActivityMonitor can be paged out like any other app (if VM is on), so
> it could need to access the disk as well. But that should be about it
> :
> -)
Yep. but, as I said, the test was executed with the VM off. It does
improve things but the problem still happens. Could it be our page_
writter holding a lock that is affecting memory allocations everywhere?
This is just a guess, I did not look at the code yet but i am getting
there. This is a really annoying problem and does not look well in
demos. :)
-Bruno
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