From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755496AbbCLTRq (ORCPT ); Thu, 12 Mar 2015 15:17:46 -0400 Received: from mx1.redhat.com ([209.132.183.28]:56054 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751446AbbCLTRo (ORCPT ); Thu, 12 Mar 2015 15:17:44 -0400 Date: Thu, 12 Mar 2015 16:17:22 -0300 From: Arnaldo Carvalho de Melo To: Wang Nan Cc: Jiri Olsa , Jiri Olsa , linux-kernel@vger.kernel.org, Sebastian Andrzej Siewior , David Ahern , Frederic Weisbecker , Jeremie Galarneau , Namhyung Kim , Paul Mackerras , Peter Zijlstra , Tom Zanussi , Li Zefan Subject: Re: [PATCH 06/11] perf data: Switch to multiple cpu stream files Message-ID: <20150312191722.GA2301@redhat.com> References: <1424470628-5969-1-git-send-email-jolsa@kernel.org> <1424470628-5969-7-git-send-email-jolsa@kernel.org> <55017A5E.5040805@huawei.com> <20150312123425.GF8369@krava.redhat.com> <55019739.5080400@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <55019739.5080400@huawei.com> X-Url: http://acmel.wordpress.com User-Agent: Mutt/1.5.20 (2009-12-10) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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=, byte_order=) 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=, sample=0x7fffffffd840, evsel=0x8b1040, machine=) 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=, data_offset=, 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=, path=0x7fffffffe59d "./ctf-data/") at util/data-convert-bt.c:992 #13 0x00000000004479cf in cmd_data_convert (argc=, argv=, prefix=) at builtin-data.c:77 #14 0x000000000046f365 in run_builtin (p=p@entry=0x8345a0 , 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) Stopping at this to process other patches, will be back to this after reducing the queue, - Arnaldo