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Message-ID: <20190725075450.GH31381@hirez.programming.kicks-ass.net>
Date: Thu, 25 Jul 2019 09:54:50 +0200
From: Peter Zijlstra <peterz@...radead.org>
To: kan.liang@...ux.intel.com
Cc: mingo@...nel.org, linux-kernel@...r.kernel.org, ak@...ux.intel.com,
stable@...r.kernel.org
Subject: Re: [PATCH] perf/x86/intel: Fix SLOTS pebs event constraint
On Tue, Jul 23, 2019 at 01:04:29PM -0700, kan.liang@...ux.intel.com wrote:
> From: Kan Liang <kan.liang@...ux.intel.com>
>
> Sampling SLOTS event and ref-cycles event in a group on Icelake gives
> EINVAL.
>
> SLOTS event is the event stands for the fixed counter 3, not fixed
> counter 2. Wrong mask was set to SLOTS event in
> intel_icl_pebs_event_constraints[].
>
> Fixes: 6017608936c1 ("perf/x86/intel: Add Icelake support")
> Reported-by: Andi Kleen <ak@...ux.intel.com>
> Signed-off-by: Kan Liang <kan.liang@...ux.intel.com>
Thanks!
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