Re: [Xen-ia64-devel] VP/P2M: domain_page_flush

[Tristan Gingold <Tristan.Gingold@xxxxxxxx>]

Le Mercredi 26 Avril 2006 11:27, Isaku Yamahata a écrit :
> On Wed, Apr 26, 2006 at 11:09:35AM +0200, Tristan Gingold wrote:
> > Hi,
> >
> > as you noticed domain_page_flush is a big hammer and may seriously impact
> > performance.  I suppose that's a reason why VHPT size is reduced.
>
> That's right.
>
> > It would be really better to only purge by range (like vcpu_ptc_ga).
> > But can the mapping addresses be easily known ?
> >
> > What do you think about this issue ?
>
> The tuning ideas are discussed in the following thread.
> Please see and comment on it!
>
> Subject: [Xen-ia64-devel] [RFC] grant table API clean up and performance
>         tuning memo
> Message-ID: <20060324094620.GB20542%yamahata@xxxxxxxxxxxxx>
> http://lists.xensource.com/archives/html/xen-ia64-devel/2006-03/msg00445.ht
>ml
Thanks, I will make comments...

Tristan.




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