Messages in this thread | | | Date | Tue, 3 Jul 2012 06:04:46 +0200 | From | Andi Kleen <> | Subject | Re: [PATCH 2/5] perf, x86: Enable PDIR precise instruction profiling on IvyBridge |
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> 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
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