Re: [Xen-devel] [PATCH] Xenoprof patches for xen-unstable

[Andrew Theurer <habanero@xxxxxxxxxx>]

Santos, Jose Renato G wrote:

>  Andrew
>
>  This is weird. Something seems wrong. 
>  I am not familiar with the benchmark you are
>  running. Is this something easy to try?
>  If you could send me the code and some instructions on
>  how to use it, I can try running the same benchmark
>  in my environment.
>  I will also spend sometime looking more carefully
>  at xenoprof and my tests to see if I find anything wrong
>  
Although I can not redistribute SDET, it probably is available to you 
since you are at HP:
http://www.spec.org/osg/sdm91/

It's actually quite a useful benchmark as it has a lot of fork+exec and 
you can really stress a system with it.
-Andrew

>  Renato
>
>  
>
> > > -----Original Message-----
> > > From: Andrew Theurer [mailto:habanero@xxxxxxxxxx] 
> > > Sent: Tuesday, May 31, 2005 9:08 AM
> > > To: Santos, Jose Renato G
> > > Cc: Xen-devel@xxxxxxxxxxxxxxxxxxx
> > > Subject: Re: [Xen-devel] [PATCH] Xenoprof patches for xen-unstable
> > >
> > >
> > > On Wednesday 25 May 2005 14:10, Santos, Jose Renato G wrote:
> > >      
> > >
> > > >  hi,
> > > >
> > > >  I have attached patches for enabling system wide profiling
> > > >  using oprofile for xen unstable.
> > > >  The patches were generated against change-set 1.1507 (May 22).
> > > >  The 4 attached files are
> > > >
> > > >  1) xenoprof.txt:
> > > >          - xenoprof overview and user guide
> > > >  2) xenoprof-1.1-xen-3.0-devel.patch:
> > > >       - patch for xen
> > > >  3) xenoprof-1.1-linux-2.6.11:
> > > >       - patch for linux. Note that this needs to be applied
> > > >         twice, once to linux-2.6.11-xen0 and once to
> > > >         linux-2.6.11-xenU. (This is different than the last
> > > >         patch which was created against the linux sparse tree).
> > > >  4) xenoprof-1.1-oprofile-0.8.2:
> > > >       - patch for oprofile version 0.8.2
> > > >        
> > > Thanks very much for these; this is going to be extremly 
> > > helpful.  I am 
> > > using these on xen-unstable-bk-1.1518 currently.  One 
> > > problem: so far I 
> > > have not observed any ticks in xen-syms.  I have tried SDET 
> > > benchmark, 
> > > which on your previous patches (for xen-2.0-testing), I 
> > > would get about 
> > > 12% of ticks in xen-syms.
> > > This is on a single cpu xen0 domain with no other domains 
> > > running.  I 
> > > verified that the XENIMAGE and XEN_RANGE were getting passed to 
> > > oprofiled correctly.  I do not specify any active or passive domains 
> > > since this is the only domain running.  Any ideas why I 
> > > would not get 
> > > any ticks for xen-syms?
> > > Has anyone else tried xenoprofile?
> > >
> > > Thanks,
> > >
> > > -Andrew
> > >
> > >      
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>  

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