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

[Isaku Yamahata <yamahata@xxxxxxxxxxxxx>]

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.html

-- 
yamahata

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