On 03/03/14 14:02, Muthusamy wrote:
On Monday, March 3, 2014 1:20 PM, Harald Servat <harald.ser...@bsc.es> wrote: so I imagine that you're ok with respect to OS. Besides of that, the Intel Manual [1] says in section 18.7.1.1 that Nehalem (and I'd would guess Westmere, as it is a Nehalem successor) supports PEBS, so it should work.So, what am I missing. Is there something the kernel needs to be enabled for PEBS. If yes, how do I know if it is enabled. Regards, Muthusamy C
I notice that you provide on an earlier output a uname -a showed 2.6.32-xxxx but perf --version showed version 3.12.11, and they don't match but should. Are you running on 2.6.x or on 3.12.x?
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