RE: [Xen-devel] About the oprofile tools and related profiling tools

["Lv, Hui" <hui.lv@xxxxxxxxx>]

Thanks Mike. I can try you latest patch and see what happened to HVM guest:)

-----Original Message-----
From: W. Michael Petullo [mailto:mike@xxxxxxxx] 
Sent: Wednesday, June 01, 2011 12:21 AM
To: Konrad Rzeszutek Wilk
Cc: Lv, Hui; George Dunlap; dunlapg@xxxxxxxxx; xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-devel] About the oprofile tools and related profiling tools

>> Thanks Konrad and George!
>> 
>> I have tried Mike Petullo's patched pvops domain0 and xenoprofile on it can 
>> work. 
>> 
>> But I did not get the right sample results of HVM guest (No samples
>> obtained). So I guess, something should be wrong from hypervisor part
>> in profiling HVM guest.
>> 
>> So did anyone successfully profile the HVM based guest using this patch?
 
> You might want to email Mike to ask that.

I have only used my variation of the 2.6.39 OProfile patch to passively
profile a PV kernel. Note that most of the work was done previously;
all I did was port it to Linux 2.6.39. I have not tried it on a HVM
kernel. My latest 2.6.39 patch is at:

http://www.flyn.org/patches/linux-xen-passive-oprofile/linux-2.6.39.rc5.git5-xen-passive-oprofile.patch.gz

-- 
Mike

:wq

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