Re: Poor HVM performance with 8 vcpus

[Juergen Gross <juergen.gross@ts.fujitsu.com>]

George Dunlap wrote:
> Jeurgen,
> 
> I think this problem is a good candidate for xentrace/xenalyze.  If
> you take a 30-second trace (xentrace -D -e all -T 30
> /tmp/[traceid].trace) while the benchmark is at its heaviest, and then
> analyze it using xenalyze
> (http://xenbits.xensource.com/ext/xenalyze.hg), it should show up
> whether the shadow performance is due to brute-force search or
> something else.
> 
> If you're using 3.3, you'll have to apply the back-patch to xenalyze
> to make it work properly.

Patches don't apply cleanly, build fails with error even without patches due
to incorrect format strings.


Juergen

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Juergen Gross                 Principal Developer Operating Systems
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