On Thu, 20 Mar 2014, Martin Ichilevici de Oliveira wrote:

> That program measures the counter for all processes, but I'm
> interested in measuring it only for my program. Since the other
> examples were not working (out of the box) with that event, I decided
> to modify the perf_event_open() call, which was
> 
> perf_event_open(&fds[i].hw, -1, 0, -1, 0);

NorthBridge and Uncore counters are socket-wide.  You cannot measure the 
values per-process or per-thread.  This is a hardware limitation.

Vince

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