linux-kernel - Re: perf: fuzzer PEBS record without PEBS event! crash

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Message-ID: <alpine.DEB.2.20.1509081139530.13857@vincent-weaver-1.umelst.maine.edu>
Date:	Tue, 8 Sep 2015 11:41:05 -0400 (EDT)
From:	Vince Weaver <vincent.weaver@...ne.edu>
To:	eranian@...il.com
cc:	Vince Weaver <vincent.weaver@...ne.edu>,
	LKML <linux-kernel@...r.kernel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...nel.org>
Subject: Re: perf: fuzzer PEBS record without PEBS event! crash

On Tue, 8 Sep 2015, Stephane Eranian wrote:

> Has to do with inlining. Make the function not inlined.

OK I'll do that.  

This current kernel isn't crashing, but I'm getting this a lot

[ 7877.413225] PEBS record without PEBS event! status=1 pebs_enabled=8 active_mask=0

vince@...well:~$ dmesg | grep PEBS | wc -l
36

let me recompile without inlining and see what I get.

Vince

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