linux-kernel - Re: [PATCH 2/3] perf/x86/pebs: add workaround for broken OVFL status on HSW

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Message-ID: <20160307182731.GA12153@krava.redhat.com>
Date:	Mon, 7 Mar 2016 19:27:31 +0100
From:	Jiri Olsa <jolsa@...hat.com>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Stephane Eranian <eranian@...gle.com>,
	Andi Kleen <ak@...ux.intel.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	"mingo@...e.hu" <mingo@...e.hu>,
	"Liang, Kan" <kan.liang@...el.com>,
	Namhyung Kim <namhyung@...nel.org>,
	Adrian Hunter <adrian.hunter@...el.com>
Subject: Re: [PATCH 2/3] perf/x86/pebs: add workaround for broken OVFL status
 on HSW

On Mon, Mar 07, 2016 at 01:18:40PM +0100, Peter Zijlstra wrote:
> On Mon, Mar 07, 2016 at 11:24:13AM +0100, Peter Zijlstra wrote:
> 
> > I suspect Andi is having something along:
> > 
> >  lkml.kernel.org/r/1445458568-16956-1-git-send-email-andi@...stfloor.org
> > 
> > applied to his tree.
> 
> OK, I munged a bunch of patches together, please have a hard look at the
> end result found in:
> 
>   git://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git perf/core
> 
> 

I needed declaration below to compile

jirka


---
diff --git a/arch/x86/events/perf_event.h b/arch/x86/events/perf_event.h
index 0e37370..097e4c1 100644
--- a/arch/x86/events/perf_event.h
+++ b/arch/x86/events/perf_event.h
@@ -862,6 +862,8 @@ extern struct event_constraint intel_hsw_pebs_event_constraints[];
 
 extern struct event_constraint intel_skl_pebs_event_constraints[];
 
+extern struct event_constraint intel_bdw_pebs_event_constraints[];
+
 struct event_constraint *intel_pebs_constraints(struct perf_event *event);
 
 void intel_pmu_pebs_enable(struct perf_event *event);