WARNING - OLD ARCHIVES

This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
   
 
 
Xen 
 
Home Products Support Community News
 
   
 

xen-devel

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

To: "W. Michael Petullo" <mike@xxxxxxxx>, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
Subject: RE: [Xen-devel] About the oprofile tools and related profiling tools
From: "Lv, Hui" <hui.lv@xxxxxxxxx>
Date: Wed, 1 Jun 2011 08:16:42 +0800
Accept-language: en-US
Acceptlanguage: en-US
Cc: George Dunlap <George.Dunlap@xxxxxxxxxxxxx>, "dunlapg@xxxxxxxxx" <dunlapg@xxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
Delivery-date: Tue, 31 May 2011 17:18:55 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <20110531162104.GA5666@xxxxxxxxx>
List-help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
List-post: <mailto:xen-devel@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
References: <C10D3FB0CD45994C8A51FEC1227CE22F233F62EA4E@xxxxxxxxxxxxxxxxxxxxxxxxxxxx> <20110531143542.GK14641@xxxxxxxxxxxx> <C10D3FB0CD45994C8A51FEC1227CE22F233F62F23A@xxxxxxxxxxxxxxxxxxxxxxxxxxxx> <20110531160256.GB31659@xxxxxxxxxxxx> <20110531162104.GA5666@xxxxxxxxx>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
Thread-index: AcwfrsDALBhaTwJpSFOrIJA/YaZdmwAQibDQ
Thread-topic: [Xen-devel] About the oprofile tools and related profiling tools
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

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel