From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andi Kleen <ak@linux.intel.com>
Subject: Re: [PATCH v1 1/8] perf/x86: add support to mask counters from host
Date: Mon, 5 Nov 2018 10:20:15 -0800
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I ran into a similar problem with my PEBS virtualization patchkit.

My solution was: basically schedule as normal, but tell the scheduler to
force allocate a counter on a specific index.  It can be done
only with a few lines of change in the scheduler code.

-Andi