Re: [PATCH 06/12] perf/x86-ibs: Precise event sampling with IBS forAMD CPUs

From: Robert Richter
Date: Fri Apr 27 2012 - 12:09:59 EST


On 27.04.12 17:30:33, Peter Zijlstra wrote:
> On Fri, 2012-04-27 at 14:54 +0200, Robert Richter wrote:
> > My suggestions was to use level 1 for all samples and level 2 for
> > samples that only contain a precise rip, saving level 3 for future
> > use.
>
> No.

Ok, will look how to handle this in userspace.

But do you agree to have level 1 and 2 mapped to ibs, not just only
level 2 (since I don't want to fail with r076:p)?

-Robert

--
Advanced Micro Devices, Inc.
Operating System Research Center

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