linux-kernel - Re: [BUG] perf test 29 crashing

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Date:	Tue, 28 Jun 2016 11:52:09 -0600
From:	David Ahern <dsahern@...il.com>
To:	Arnaldo Carvalho de Melo <arnaldo.melo@...il.com>,
	Jiri Olsa <jolsa@...hat.com>
Cc:	lkml <linux-kernel@...r.kernel.org>,
	Namhyung Kim <namhyung@...nel.org>
Subject: Re: [BUG] perf test 29 crashing

On 6/28/16 10:59 AM, Arnaldo Carvalho de Melo wrote:
> Em Tue, Jun 28, 2016 at 02:34:10PM +0200, Jiri Olsa escreveu:
>> hi,
>> I'm having test 29 crashing on latest Arnaldo's perf/core:
>>
>> [jolsa@...va perf]$ ./perf test hist
>> 15: Test matching and linking multiple hists                 : Ok
>> 25: Test filtering hist entries                              : Ok
>> 28: Test output sorting of hist entries                      : Ok
>> 29: Test cumulation of child hist entries                    : FAILED!
>>
>> I was hunting this, because I though it was caused by one
>> of my local changes, but then realized it's public bug ;-)
>>
>> but can't find the reason so far..
>
> Huh?
>
> [acme@...et linux]$ perf test 29
> 29: Test cumulation of child hist entries                    : Ok
> [acme@...et linux]$ perf --version
> perf version 4.7.rc5.g1c1e35c
> [acme@...et linux]$
>

If this helps break the tie:

dsa@...ny:~/kernel.git$ /tmp/perf/perf test 29
29: Test cumulation of child hist entries                    : Ok

dsa@...ny:~/kernel.git$ /tmp/perf/perf --version
perf version 4.7.rc5.g02184c

But running on net-next kernel from a few days ago + 1 local patch:
dsa@...ny:~/kernel.git$ uname -r
4.7.0-rc2-00862-g23854048c919

(I do get a few other failures)