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From: "Jérémie Galarneau" <jeremie.galarneau@efficios.com>
To: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Wang Nan <wangnan0@huawei.com>, Jiri Olsa <jolsa@redhat.com>,
	Jiri Olsa <jolsa@kernel.org>,
	linux-kernel@vger.kernel.org,
	Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
	David Ahern <dsahern@gmail.com>,
	Frederic Weisbecker <fweisbec@gmail.com>,
	Jeremie Galarneau <jgalar@efficios.com>,
	Namhyung Kim <namhyung@gmail.com>,
	Paul Mackerras <paulus@samba.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Tom Zanussi <tzanussi@gmail.com>, Li Zefan <lizefan@huawei.com>
Subject: Re: [PATCH 06/11] perf data: Switch to multiple cpu stream files
Date: Fri, 13 Mar 2015 12:46:51 -0400	[thread overview]
Message-ID: <CA+jJMxvdpUyZbU4oWuJ4fHWT5x7kC6V+t+HaF1i-s3a2we59Zw@mail.gmail.com> (raw)
In-Reply-To: <20150312191722.GA2301@redhat.com>

On Thu, Mar 12, 2015 at 3:17 PM, Arnaldo Carvalho de Melo
<acme@redhat.com> wrote:
> Em Thu, Mar 12, 2015 at 09:40:09PM +0800, Wang Nan escreveu:
>> On 2015/3/12 20:34, Jiri Olsa wrote:
>> > On Thu, Mar 12, 2015 at 07:37:02PM +0800, Wang Nan wrote:
>> >> Hi Jiri,
>> >>
>> >> Have you noticed that this patch causes a endianess problem?
>> >>
>> >> Without this patch:
>> >>
>> >> $ perf  data convert --to-ctf ./out.ctf
>> >> [ perf data convert: Converted 'perf.data' into CTF data './out.ctf' ]
>> >> [ perf data convert: Converted and wrote 0.000 MB (11 samples) ]
>> >>
>> >> With this patch:
>> >>
>> >> $ perf  data convert --to-ctf ./out.ctf
>> >> perf: event-types.c:1855: bt_ctf_field_type_set_native_byte_order: Assertion `byte_order == 1234 || byte_order == 4321' failed.
>> >> Aborted
>> >>
>> >> I'll look into this problem if you haven't solved it yet. Please let me know if you have already
>> >> have some solutions.
>> >
>> > hum, never seen this.. any other details?
>>
>>
>>
>> My perf is -tip tree (commit 4b52a8d), with patch 'perf data: Add tracepoint events fields CTF conversion support'
>> applied. Babeltrace is fresh new git clone (commit 48d711a).
>>
>> you moved perf.data
>> > through different endian server or something like that?
>> >
>>
>> Never.
>
> Just reproduced this:
>
> [acme@ssdandy linux]$ perf data convert --to-ctf=./ctf-data/
> perf: event-types.c:1855: bt_ctf_field_type_set_native_byte_order:
> Assertion `byte_order == 1234 || byte_order == 4321' failed.
> Aborted (core dumped)
> [acme@ssdandy linux]$
>
>
> perf: event-types.c:1855: bt_ctf_field_type_set_native_byte_order: Assertion `byte_order == 1234 || byte_order == 4321' failed.
>
> Program received signal SIGABRT, Aborted.
> 0x00007ffff5b345d7 in raise () from /lib64/libc.so.6
> Missing separate debuginfos, use: debuginfo-install audit-libs-2.4.1-5.el7.x86_64 bzip2-libs-1.0.6-12.el7.x86_64 elfutils-libelf-0.160-1.el7.x86_64 elfutils-libs-0.160-1.el7.x86_64 glib2-2.40.0-4.el7.x86_64 glibc-2.17-78.el7.x86_64 libgcc-4.8.3-9.el7.x86_64 libuuid-2.23.2-21.el7.x86_64 nss-softokn-freebl-3.16.2.3-9.el7.x86_64 numactl-libs-2.0.9-4.el7.x86_64 perl-libs-5.16.3-285.el7.x86_64 popt-1.13-16.el7.x86_64 python-libs-2.7.5-16.el7.x86_64 slang-2.2.4-11.el7.x86_64 xz-libs-5.1.2-9alpha.el7.x86_64 zlib-1.2.7-13.el7.x86_64
> (gdb) bt
> #0  0x00007ffff5b345d7 in raise () from /lib64/libc.so.6
> #1  0x00007ffff5b35cc8 in abort () from /lib64/libc.so.6
> #2  0x00007ffff5b2d546 in __assert_fail_base () from /lib64/libc.so.6
> #3  0x00007ffff5b2d5f2 in __assert_fail () from /lib64/libc.so.6
> #4  0x00007ffff510034a in bt_ctf_field_type_set_native_byte_order (type=<optimized out>, byte_order=<optimized out>) at event-types.c:1855
> #5  0x00007ffff5101b59 in bt_ctf_stream_class_freeze (stream_class=0x8acc20) at stream-class.c:478
> #6  0x00007ffff50fbdc5 in bt_ctf_event_create (event_class=event_class@entry=0x133d590) at event.c:324
> #7  0x00000000004e158d in process_sample_event (tool=0x7fffffffdc40, _event=<optimized out>, sample=0x7fffffffd840, evsel=0x8b1040, machine=<optimized out>) at util/data-convert-bt.c:518
> #8  0x00000000004b011d in __ordered_events__flush (oe=oe@entry=0x8b0210) at util/ordered-events.c:214
> #9  0x00000000004b043a in ordered_events__flush (oe=oe@entry=0x8b0210, how=how@entry=OE_FLUSH__FINAL) at util/ordered-events.c:279
> #10 0x00000000004aee18 in __perf_session__process_events (file_size=139704, data_size=<optimized out>, data_offset=<optimized out>, session=0x8b0020) at util/session.c:1394
> #11 perf_session__process_events (session=session@entry=0x8b0020) at util/session.c:1412
> #12 0x00000000004e270e in bt_convert__perf2ctf (input=<optimized out>, path=0x7fffffffe59d "./ctf-data/") at util/data-convert-bt.c:992
> #13 0x00000000004479cf in cmd_data_convert (argc=<optimized out>, argv=<optimized out>, prefix=<optimized out>) at builtin-data.c:77
> #14 0x000000000046f365 in run_builtin (p=p@entry=0x8345a0 <commands+576>, argc=argc@entry=3, argv=argv@entry=0x7fffffffe2d0) at perf.c:370
> #15 0x000000000041def0 in handle_internal_command (argv=0x7fffffffe2d0, argc=3) at perf.c:429
> #16 run_argv (argv=0x7fffffffe050, argcp=0x7fffffffe05c) at perf.c:473
> #17 main (argc=3, argv=0x7fffffffe2d0) at perf.c:588
> (gdb)
>

I was able to reproduce this on my end as well. I pushed a fix
addressing this issue in Babeltrace master as of 5ca83563.
This scenario has also been added to Babeltrace's regression test suite.

Jérémie

> Stopping at this to process other patches, will be back to this after reducing the queue,
>
> - Arnaldo



-- 
Jérémie Galarneau
EfficiOS Inc.
http://www.efficios.com

  parent reply	other threads:[~2015-03-13 16:46 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-02-20 22:16 [PATCHv5 00/11] perf tools: Add perf data CTF conversion Jiri Olsa
2015-02-20 22:16 ` [PATCH 01/11] perf tools: Add feature check for libbabeltrace Jiri Olsa
2015-02-26 11:35   ` [tip:perf/core] " tip-bot for Jiri Olsa
2015-02-28  9:25     ` Ingo Molnar
2015-02-28 12:28       ` Jiri Olsa
2015-02-20 22:16 ` [PATCH 02/11] perf tools: Add new perf data command Jiri Olsa
2015-02-26 11:36   ` [tip:perf/core] perf tools: Add new 'perf data' command tip-bot for Jiri Olsa
2015-02-20 22:17 ` [PATCH 03/11] perf data: Add perf data to CTF conversion support Jiri Olsa
2015-02-26 11:36   ` [tip:perf/core] " tip-bot for Jiri Olsa
2015-02-20 22:17 ` [PATCH 04/11] perf data: Add a 'perf' prefix to the generic fields Jiri Olsa
2015-02-26 11:36   ` [tip:perf/core] " tip-bot for Sebastian Andrzej Siewior
2015-02-20 22:17 ` [PATCH 05/11] perf data: Add tracepoint events fields CTF conversion support Jiri Olsa
2015-02-25 19:23   ` Arnaldo Carvalho de Melo
2015-03-01 13:20     ` Jiri Olsa
2015-03-02 15:32       ` Arnaldo Carvalho de Melo
2015-03-09 12:12         ` Jiri Olsa
2015-03-09 21:51           ` Arnaldo Carvalho de Melo
2015-03-09 23:11             ` Arnaldo Carvalho de Melo
2015-03-09 23:28               ` Arnaldo Carvalho de Melo
2015-03-10 12:00                 ` [PATCH] perf build: Fix libbabeltrace detection Jiri Olsa
2015-03-10 14:01                   ` Arnaldo Carvalho de Melo
2015-03-10 14:11                     ` Jiri Olsa
2015-03-10 14:44                       ` Jérémie Galarneau
2015-03-10 15:01                         ` Arnaldo Carvalho de Melo
2015-03-26  9:25                         ` Jiri Olsa
2015-03-26 15:05                           ` Arnaldo Carvalho de Melo
2015-03-10 15:03                       ` Arnaldo Carvalho de Melo
2015-03-10 16:04                       ` Arnaldo Carvalho de Melo
2015-03-11  8:45                         ` Jiri Olsa
2015-03-11 13:18                           ` Arnaldo Carvalho de Melo
2015-03-14  7:03                   ` [tip:perf/core] " tip-bot for Jiri Olsa
2015-03-14  7:07   ` [tip:perf/core] perf data: Add tracepoint events fields CTF conversion support tip-bot for Sebastian Andrzej Siewior
2015-02-20 22:17 ` [PATCH 06/11] perf data: Switch to multiple cpu stream files Jiri Olsa
2015-03-12 11:37   ` Wang Nan
2015-03-12 12:34     ` Jiri Olsa
2015-03-12 13:40       ` Wang Nan
2015-03-12 19:17         ` Arnaldo Carvalho de Melo
2015-03-12 19:59           ` Jérémie Galarneau
2015-03-13  6:02             ` Wang Nan
2015-03-13 16:46           ` Jérémie Galarneau [this message]
2015-02-20 22:17 ` [PATCH 07/11] perf data: Enable stream flush within processing Jiri Olsa
2015-02-20 22:17 ` [PATCH 08/11] perf data: Add support for setting ordered_events queue size Jiri Olsa
2015-02-20 22:17 ` [PATCH 09/11] tools lib traceevent: Add alias field to struct format_field Jiri Olsa
2015-02-24 22:54   ` Steven Rostedt
2015-02-24 23:12     ` Jiri Olsa
2015-02-20 22:17 ` [PATCH 10/11] perf data: Fix duplicate field names and avoid reserved keywords Jiri Olsa
2015-02-20 22:17 ` [PATCH 11/11] perf data: Fix signess of value Jiri Olsa
  -- strict thread matches above, loose matches on Subject: below --
2015-01-30 10:42 [PATCHv4 00/11] perf tools: Add perf data CTF conversion Jiri Olsa
2015-01-30 10:43 ` [PATCH 06/11] perf data: Switch to multiple cpu stream files Jiri Olsa

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