From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wei Wang2 Subject: Re: About Xenoprof support in pvops Date: Tue, 21 Sep 2010 11:39:11 +0200 Message-ID: <201009211139.13001.wei.wang2@amd.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Content-Disposition: inline List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: xen-devel@lists.xensource.com Cc: Xiang Song List-Id: xen-devel@lists.xenproject.org On Thursday 09 September 2010 18:13:29 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? Currently, we have no plan to support IBS on pv_ops. > 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? Which xenoprofile patch are you testing? For pv_ops or for 2.6.18-dom0? Thanks, Wei > Thanks, > Best regards