Re: [BUG] Core2 cpu triggers hard lockup with perf test

From: Andi Kleen
Date: Sat Feb 27 2016 - 10:46:29 EST


> I can't find what's special about Core2 CPU PEBS setup,
> it seems that oher CPUs are ok (tried on ivb/snb/hsw).
>
> reverting the 156174999dd1 fixed the issue for me

Ok multi-record PEbS was never tested on Core 2. I suppose we
can enable it only on Nehalem+

-Andi

--
ak@xxxxxxxxxxxxxxx -- Speaking for myself only.