From: Malcolm Crossley <malcolm.crossley@citrix.com>
To: xen-devel@lists.xen.org
Subject: Re: Xenoprof on Xen-4.1.2
Date: Tue, 29 May 2012 17:41:48 +0100 [thread overview]
Message-ID: <4FC4FC4C.5040603@citrix.com> (raw)
In-Reply-To: <20120529152930.GE8293@phenom.dumpdata.com>
On 29/05/12 16:29, Konrad Rzeszutek Wilk wrote:
> On Tue, May 29, 2012 at 01:38:37PM +0800, suixiufeng wrote:
>> Hi:
>> I want to use xenoprof (patched oprofile-0.9.5) to profile VM (both HVM
>> and PV) apps and kernel performance based on passive domains. My platform
>> is as follows:
>> CPU:Intel(R) Xeon(R) CPU E5620 @ 2.40GHz
>> Hypervosir: Xen 4.1.2
>> Dom0 kernel: linux 2.6.38.2
>> I am not sure whether xenoprof can work on this platform.
>> * As soon as I start xenoprof in passive domain mode, the VM can't run
>> workload immediately (The VM doesn't crash. If I ping the VM from other
>> machine, the response time is really high ). I can't input any commands
>> through the console prompt. *
> Do you have the patches applied to the kernel to use oprofile?
>
The Xeon E5620 processor has model number 0x2c (Westmere class), neither
the Xen or the latest upstream Linux kernel have oprofile support for
this processor.
http://lxr.linux.no/linux+*/arch/x86/oprofile/nmi_int.c#L642
http://xenbits.xen.org/hg/xen-unstable.hg/file/52ffce7a036e/xen/arch/x86/oprofile/nmi_int.c#l344
>> _______________________________________________
>> Xen-devel mailing list
>> Xen-devel@lists.xen.org
>> http://lists.xen.org/xen-devel
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xen.org
> http://lists.xen.org/xen-devel
next prev parent reply other threads:[~2012-05-29 16:41 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-29 5:38 Xenoprof on Xen-4.1.2 suixiufeng
2012-05-29 15:29 ` Konrad Rzeszutek Wilk
2012-05-29 16:41 ` Malcolm Crossley [this message]
2012-05-30 0:13 ` suixiufeng
2012-05-30 0:20 ` suixiufeng
2012-05-30 0:14 ` suixiufeng
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