From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
To: Xiang Song <classicxsong@gmail.com>
Cc: xen-devel@lists.xensource.com
Subject: Re: About Xenoprof support in pvops
Date: Mon, 20 Sep 2010 11:16:59 -0400 [thread overview]
Message-ID: <20100920151659.GF14537@dumpdata.com> (raw)
In-Reply-To: <AANLkTikj4ww=2443OQUCR5KiU3wfjJmJORrqYbw3Gx5f@mail.gmail.com>
On Fri, Sep 10, 2010 at 12:13:29AM +0800, Xiang Song wrote:
> Hi, list:
>
> I am trying to do some profile work on Xen 4.0 with pvops kernel on an AMD
> machine (equipped with *AMD* '*Istanbul*' Family 10h processors). I have
> found the dulloor's xenoprof patch for pvops kernel. But it does not contain
> supports for IBS. The only IBS support for xenoprofile posted by Wei Wang
> seems to be for 2.6.18-dom0 kernel. So is there any support for pvops kernel
> to use IBS on AMD?
Not likely. But we would welcome any patches to get it working again.
>
> Another question is when i am using normal profiling event (such as L2_MISS)
> on my AMD machine, it seems that it does not generate interrupt when the
> performance counter overflows. Is there any problem with AMD processor or
> the xenoprofile patch?
Does it work under a baremetal kernel?
next prev parent reply other threads:[~2010-09-20 15:16 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-09 16:13 About Xenoprof support in pvops Xiang Song
2010-09-20 15:16 ` Konrad Rzeszutek Wilk [this message]
2010-09-21 9:39 ` Wei Wang2
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