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[Xen-ia64-devel] xenoprof usage question on ia64/xen

To: <xen-ia64-devel@xxxxxxxxxxxxxxxxxxx>
Subject: [Xen-ia64-devel] xenoprof usage question on ia64/xen
From: "Xing, Chong" <chong.xing@xxxxxxxxx>
Date: Mon, 19 Nov 2007 17:15:21 +0800
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Thread-topic: xenoprof usage question on ia64/xen

 

I want to use xenoprof on ia64/xen to do some performance analysis. But xenoprof fails to work.

 

The following is what I have configured:

         Xen version:  changeset:   15044:eabda101b0c5

download oprofile 0.9.2 and oprofile-0.9.2-xen-r2.patch is patched in domain0, and also built & installed.

         domain0 linux kernel is configured and rebuilt for enabling oprofile:

CONFIG_PROFILING=y

CONFIG_OPROFILE=y

 

But after the above work, xenoprof still can’t work correctly

#opcontrol –start

Using default event: CPU_CYCLES:1000000:0:1:1

Using 2.6+ OProfile kernel interface.

Running perfmon child on CPU0.

CREATE_CONTEXT failed: Device or resource busy

Waiting on CPU0

<hang……>

 

Does anybody have some suggestions?

Thanks

 

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