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Re: [Xen-ia64-devel] PATCH: rewrite vcpu_get_psr

from [Alex Williamson] [Permanent Link][Original]
To: Tristan Gingold <tgingold@xxxxxxx>
Subject: Re: [Xen-ia64-devel] PATCH: rewrite vcpu_get_psr
From: Alex Williamson <alex.williamson@xxxxxx>
Date: Thu, 10 May 2007 14:15:34 -0600
Cc: Xen-ia64-devel <xen-ia64-devel@xxxxxxxxxxxxxxxxxxx>
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On Wed, 2007-05-09 at 06:10 +0200, Tristan Gingold wrote:
> Hi,
> 
> a stripped-down version of a previous patch: reimplement vcpu_get_psr.
> 
> Should be a noop, I don't think performance should be affected.

Unfortunately...

with patch:

real    6m0.483s
user    21m10.680s
sys     1m18.470s

without patch:

real    4m47.767s
user    16m55.060s
sys     0m53.240s

:(

        Alex

-- 
Alex Williamson                             HP Open Source & Linux Org.


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