Re: [PATCH] Xenoprof patches for xen-unstable

[Andrew Theurer <habanero@us.ibm.com>]

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@us.ibm.com] 
>>>Sent: Tuesday, May 31, 2005 9:08 AM
>>>To: Santos, Jose Renato G
>>>Cc: Xen-devel@lists.xensource.com
>>>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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