From: "Wangnan (F)" <wangnan0@huawei.com>
To: Ingo Molnar <mingo@kernel.org>,
Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>,
<linux-kernel@vger.kernel.org>,
Adrian Hunter <adrian.hunter@intel.com>,
"Andi Kleen" <ak@linux.intel.com>,
Corey Ashford <cjashfor@linux.vnet.ibm.com>,
David Ahern <dsahern@gmail.com>,
Frederic Weisbecker <fweisbec@gmail.com>,
Jan Stancek <jstancek@redhat.com>, Jiri Olsa <jolsa@kernel.org>,
Kan Liang <kan.liang@intel.com>,
Matt Fleming <matt@codeblueprint.co.uk>,
Namhyung Kim <namhyung@kernel.org>,
Paul Mackerras <paulus@samba.org>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Raphael Beamonte <raphael.beamonte@gmail.com>,
Stephane Eranian <eranian@google.com>,
Steven Rostedt <rostedt@goodmis.org>
Subject: Re: [GIT PULL 00/15] perf/core improvements and fixes
Date: Mon, 14 Sep 2015 17:07:16 +0800 [thread overview]
Message-ID: <55F68E44.5030109@huawei.com> (raw)
In-Reply-To: <20150914084103.GA10729@gmail.com>
On 2015/9/14 16:41, Ingo Molnar wrote:
> * Arnaldo Carvalho de Melo <acme@redhat.com> wrote:
>
>> Em Tue, Sep 08, 2015 at 04:21:47PM +0200, Ingo Molnar escreveu:
>>> * Arnaldo Carvalho de Melo <acme@redhat.com> wrote:
>>>
>>>> Em Fri, Sep 04, 2015 at 10:06:28PM -0300, Arnaldo Carvalho de Melo escreveu:
>>>>> Hi Ingo,
>>>>>
>>>>> Please consider pulling, this is on top of the previous pull request,
>>>>> perf-core-for-mingo.
>>>> Ingo, please do not pull this 'perf-core-for-mingo-2' tag, there were
>>>> some misunderstandings about the acks for "Move sw clock metrics
>>>> printout to stat-shadow" and Jiri and Andi are working that out.
>>>>
>>>> I'll remove those patches and get a new perf-core-for-mingo-2
>>>> tag in place, before continuing today's batch, which possibly will be
>>>> available as 'perf-core-for-mingo-3'
>>>>
>>>> What is in 'perf-core-for-mingo" should be Ok.
>>> Ok!
>> Thanks! I have already removed that problematic changeset and resigned
>> the 'perf-core-for-mingo-2' tag, same contents modulo that cset.
> Hm, so I pulled it (commit 1765d9b26f84), but with an old perf.data I'm getting
> this crash:
>
> triton:~/tip/tools/perf> perf report
> perf: Segmentation fault
> -------- backtrace --------
> perf[0x52bc0b]
> /lib/x86_64-linux-gnu/libc.so.6(+0x352f0)[0x7f51a583c2f0]
> perf[0x42ce95]
> perf[0x4bc6c3]
> perf[0x4bcfa1]
> perf[0x4bf939]
> perf(perf_session__process_events+0x390)[0x4be430]
> perf(cmd_report+0x1070)[0x42e2e0]
> perf[0x478e03]
> perf(main+0x60a)[0x41f1ba]
> /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf0)[0x7f51a5827a40]
> perf(_start+0x29)[0x41f2d9]
> [0x0]
>
> I also re-tested qand it still crashes.
>
> Bisected it to:
>
> e1e499aba570 perf tools: Add processor socket info to hist_entry and addr_location
>
> Running on Ubuntu, 1 socket box, 12 CPUs.
Hi Ingo,
It seems you met a bug we are discussing these days. Please have a look at
the following discussions:
http://lkml.kernel.org/r/1441630315-189525-1-git-send-email-wangnan0@huawei.com
http://lkml.kernel.org/r/1441828225-667-1-git-send-email-acme@kernel.org
Thank you.
> I went back to perf/core 8f3e5684d3fb and it doesn't crash anymore - so I unpulled
> your tree for now. (Will send you the perf.data privately.)
>
> Thanks,
>
> Ingo
> --
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next prev parent reply other threads:[~2015-09-14 9:08 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-05 1:06 [GIT PULL 00/15] perf/core improvements and fixes Arnaldo Carvalho de Melo
2015-09-05 1:06 ` [PATCH 01/15] perf tests: Take into account address of each objdump line Arnaldo Carvalho de Melo
2015-09-05 1:06 ` [PATCH 02/15] perf tests: Make objdump disassemble zero blocks Arnaldo Carvalho de Melo
2015-09-05 1:06 ` [PATCH 03/15] perf tests: Stop reading if objdump output crossed sections Arnaldo Carvalho de Melo
2015-09-05 1:06 ` [PATCH 04/15] perf tests: Print objdump/dso buffers if they don't match Arnaldo Carvalho de Melo
2015-09-05 1:06 ` [PATCH 05/15] tools lib api fs: Make tracing_path_strerror_open message generic Arnaldo Carvalho de Melo
2015-09-05 1:06 ` [PATCH 06/15] tools lib api fs: Replace debugfs/tracefs objects interface with fs.c Arnaldo Carvalho de Melo
2015-09-05 1:06 ` [PATCH 07/15] tools lib api fs: Remove debugfs, tracefs and findfs objects Arnaldo Carvalho de Melo
2015-09-05 1:06 ` [PATCH 08/15] perf tools: Switch to tracing_path interface on appropriate places Arnaldo Carvalho de Melo
2015-09-05 1:06 ` [PATCH 09/15] perf test: Add entry to test cpu topology Arnaldo Carvalho de Melo
2015-09-05 1:06 ` [PATCH 10/15] perf tools: Add processor socket info to hist_entry and addr_location Arnaldo Carvalho de Melo
2015-09-05 1:06 ` [PATCH 11/15] perf tools: Introduce new sort type "socket" for the processor socket Arnaldo Carvalho de Melo
2015-09-05 1:06 ` [PATCH 12/15] perf report: Introduce --socket-filter option Arnaldo Carvalho de Melo
2015-09-05 1:06 ` [PATCH 13/15] perf hists browser: Zoom in/out for processor socket Arnaldo Carvalho de Melo
2015-09-05 1:06 ` [PATCH 14/15] perf test: Add entry for hists socket filter Arnaldo Carvalho de Melo
2015-09-05 1:06 ` [PATCH 15/15] perf stat: Move sw clock metrics printout to stat-shadow Arnaldo Carvalho de Melo
2015-09-08 14:09 ` [GIT PULL 00/15] perf/core improvements and fixes Arnaldo Carvalho de Melo
2015-09-08 14:21 ` Ingo Molnar
2015-09-08 14:30 ` Arnaldo Carvalho de Melo
2015-09-14 8:41 ` Ingo Molnar
2015-09-14 9:07 ` Wangnan (F) [this message]
-- strict thread matches above, loose matches on Subject: below --
2017-08-23 19:35 Arnaldo Carvalho de Melo
2017-07-28 20:00 Arnaldo Carvalho de Melo
2017-07-30 9:31 ` Ingo Molnar
2017-02-14 1:13 Arnaldo Carvalho de Melo
2017-02-14 6:31 ` Ingo Molnar
2016-11-15 1:38 Arnaldo Carvalho de Melo
2016-11-15 8:47 ` Ingo Molnar
2016-10-27 20:40 Arnaldo Carvalho de Melo
2016-09-22 21:12 Arnaldo Carvalho de Melo
2016-09-23 5:22 ` Ingo Molnar
2016-07-18 23:33 Arnaldo Carvalho de Melo
2016-07-19 6:46 ` Ingo Molnar
2016-05-10 15:15 Arnaldo Carvalho de Melo
2016-05-10 20:28 ` Ingo Molnar
2016-03-07 19:44 Arnaldo Carvalho de Melo
2016-02-22 18:02 Arnaldo Carvalho de Melo
2016-02-24 7:21 ` Ingo Molnar
2015-06-08 14:17 Arnaldo Carvalho de Melo
2015-06-09 9:47 ` Ingo Molnar
2015-04-02 22:28 Arnaldo Carvalho de Melo
2015-04-03 5:02 ` Ingo Molnar
2014-10-15 20:52 Arnaldo Carvalho de Melo
2014-10-16 5:18 ` Ingo Molnar
2014-06-09 20:02 Jiri Olsa
2014-06-12 11:54 ` Ingo Molnar
2013-08-30 18:58 Arnaldo Carvalho de Melo
2013-08-31 8:08 ` Ingo Molnar
2013-02-28 21:05 Arnaldo Carvalho de Melo
2011-12-23 21:53 Arnaldo Carvalho de Melo
2011-12-29 20:28 ` Ingo Molnar
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