Re: [PATCH] perf/x86: check ucode before disabling PEBS on SandyBridge

H. Peter Anvin
2012-06-13T14:01:10Z

On 06/13/2012 01:38 AM, Peter Zijlstra wrote:
> On Tue, 2012-06-12 at 13:58 -0700, H. Peter Anvin wrote:
>> even things like Nehalem + Westmere in the same system
>
> Uhm,.. how well do you expect Linux to run on a franken-system like
> that? I'm pretty sure perf will malfunction in such a setup.
>

perf might, but I have seen such frankensystems in the field and they
work (although I haven't seen that particular combo, I have to admit.)

-hpa

--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.