Messages in this thread | | | Date | Fri, 13 Mar 2015 14:02:49 +0800 | From | Wang Nan <> | Subject | Re: [PATCH 06/11] perf data: Switch to multiple cpu stream files |
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On 2015/3/13 3:59, Jérémie Galarneau wrote: > 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 have identical call stack. Have you ever tried my workaround in my previous mail?
Thank you!
> Thanks for providing this info, I'm looking into it and will keep you posted. > > Jérémie > >> >> Stopping at this to process other patches, will be back to this after reducing the queue, >> >> - Arnaldo > > >
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