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?


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