Groups > linux.kernel > #1220936

Re: perf: fuzzer PEBS record without PEBS event! crash

From	Vince Weaver <vincent.weaver@maine.edu>
Newsgroups	linux.kernel
Subject	Re: perf: fuzzer PEBS record without PEBS event! crash
Date	2015-09-08 17:40 +0200
Message-ID	<q6ta2-8oh-19@gated-at.bofh.it> (permalink)
References	(1 earlier) <q5PPk-2pH-5@gated-at.bofh.it> <q5SDw-6oX-7@gated-at.bofh.it> <q635U-4u5-31@gated-at.bofh.it> <q6t0n-8ch-11@gated-at.bofh.it> <q6t0n-8ch-27@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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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@haswell:~$ dmesg | grep PEBS | wc -l
36

let me recompile without inlining and see what I get.

Vince

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Re: perf: fuzzer PEBS record without PEBS event! crash Stephane Eranian <eranian@googlemail.com> - 2015-09-07 13:50 +0200
  Re: perf: fuzzer PEBS record without PEBS event! crash Vince Weaver <vincent.weaver@maine.edu> - 2015-09-08 17:30 +0200
    Re: perf: fuzzer PEBS record without PEBS event! crash Stephane Eranian <eranian@googlemail.com> - 2015-09-08 17:30 +0200
      Re: perf: fuzzer PEBS record without PEBS event! crash Vince Weaver <vincent.weaver@maine.edu> - 2015-09-08 17:40 +0200

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