Re: [PATCH 1/2] perf/x86: update Haswell PEBS event constraints

From: Andi Kleen
Date: Mon Jun 23 2014 - 11:48:26 EST


> Filters? You mean the inv,cmask etc? Well, we have the Intel provided
> 'cycle' events that use them, so exposing them makes sense and allows
> such experimentation when we need another such alias.

The SDM explicitely discourages it.

The 'cycle' event is now handled explicitely, but for others it is still
not ok.

-Andi
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