Re: [BUG] perf test 29 crashing

From	Jiri Olsa <jolsa@redhat.com>
Newsgroups	linux.kernel
Subject	Re: [BUG] perf test 29 crashing
Date	2016-06-30 17:20 +0200
Message-ID	<rPLV0-2Lc-9@gated-at.bofh.it> (permalink)
References	<rP0t4-730-23@gated-at.bofh.it> <rP4wG-18P-19@gated-at.bofh.it> <rP5sK-1HV-21@gated-at.bofh.it> <rPdzX-6MM-5@gated-at.bofh.it>
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On Wed, Jun 29, 2016 at 11:20:06AM +0900, Namhyung Kim wrote:

SNIP

> > 
> > If this helps break the tie:
> > 
> > dsa@kenny:~/kernel.git$ /tmp/perf/perf test 29
> > 29: Test cumulation of child hist entries                    : Ok
> > 
> > dsa@kenny:~/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@kenny:~/kernel.git$ uname -r
> > 4.7.0-rc2-00862-g23854048c919
> > 
> > (I do get a few other failures)
> 
> Running latest acme/perf/core:
> 
>   $ 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                    : Ok
>   $ perf --version
>   perf version 4.6.g6d9c67
> 

hum.. I still see it:
(latest acme's perf/core)

[jolsa@krava perf]$ ./perf --version
perf version 4.7.rc5.ga059d59
[jolsa@krava 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!

[jolsa@krava perf]$ ./perf test 29 -v
29: Test cumulation of child hist entries                    :
--- start ---
test child forked, pid 11925
perf: Segmentation fault
Obtained 11 stack frames.
./perf(sighandler_dump_stack+0x41) [0x4f57f1]
/lib64/libc.so.6(+0x34a50) [0x7f5e22695a50]
./perf() [0x47b2cc]
./perf(test__hists_cumulate+0x10c) [0x47c79c]
./perf() [0x4698b6]
./perf(cmd_test+0x5be) [0x469eae]
./perf() [0x487561]
./perf(main+0x6f6) [0x424cb6]
/lib64/libc.so.6(__libc_start_main+0xf0) [0x7f5e22681700]
./perf(_start+0x29) [0x424da9]
[(nil)]
test child interrupted
---- end ----
Test cumulation of child hist entries: FAILED!


hate to be the only one with this.. now I need to dive in ;-)

jirka

Thread

[BUG] perf test 29 crashing Jiri Olsa <jolsa@redhat.com> - 2016-06-28 14:40 +0200
  Re: [BUG] perf test 29 crashing Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-06-28 19:00 +0200
    Re: [BUG] perf test 29 crashing David Ahern <dsahern@gmail.com> - 2016-06-28 20:00 +0200
      Re: [BUG] perf test 29 crashing Namhyung Kim <namhyung@kernel.org> - 2016-06-29 04:40 +0200
        Re: [BUG] perf test 29 crashing Jiri Olsa <jolsa@redhat.com> - 2016-06-30 17:20 +0200
          Re: [BUG] perf test 29 crashing Jiri Olsa <jolsa@redhat.com> - 2016-06-30 18:20 +0200
            Re: [BUG] perf test 29 crashing David Ahern <dsahern@gmail.com> - 2016-06-30 21:50 +0200
              Re: [BUG] perf test 29 crashing Jiri Olsa <jolsa@redhat.com> - 2016-07-01 09:10 +0200
            Re: [BUG] perf test 29 crashing Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-06-30 22:00 +0200

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