Re: [PATCH 2/5] perf, x86: Enable PDIR precise instruction profiling on IvyBridge

Andi Kleen
2012-07-03T04:04:53Z

> Well, the only way I can think of would be to request that the
> event be programmed with exclusive mode ALWAYS. That
> should not be to hard to add.

I suspect it would need some special callbacks from the events core,
that's why I only tried on IvyBridge.

Anyways, I'll drop it as the people in charge didn't approve of
instruction sampling.

-Andi