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From: Jiri Olsa <jolsa@redhat.com>
To: ahmadkhorrami <ahmadkhorrami@ut.ac.ir>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>,
	Steven Rostedt <rostedt@goodmis.org>,
	Linux-trace Users <linux-trace-users@vger.kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	linux-trace-users-owner@vger.kernel.org,
	Jin Yao <yao.jin@linux.intel.com>
Subject: Re: Wrong Perf Backtraces
Date: Wed, 25 Mar 2020 22:02:52 +0100
Message-ID: <20200325210252.GC1947699@krava> (raw)
In-Reply-To: <20200325203921.GB1947699@krava>

On Wed, Mar 25, 2020 at 09:39:27PM +0100, Jiri Olsa wrote:
> On Thu, Mar 26, 2020 at 12:31:32AM +0430, ahmadkhorrami wrote:
> > Here you are:
> > perf version 5.4.7
> >                  dwarf: [ on  ]  # HAVE_DWARF_SUPPORT
> >     dwarf_getlocations: [ on  ]  # HAVE_DWARF_GETLOCATIONS_SUPPORT
> >                  glibc: [ on  ]  # HAVE_GLIBC_SUPPORT
> >                   gtk2: [ on  ]  # HAVE_GTK2_SUPPORT
> >          syscall_table: [ on  ]  # HAVE_SYSCALL_TABLE_SUPPORT
> >                 libbfd: [ OFF ]  # HAVE_LIBBFD_SUPPORT
> >                 libelf: [ on  ]  # HAVE_LIBELF_SUPPORT
> >                libnuma: [ OFF ]  # HAVE_LIBNUMA_SUPPORT
> > numa_num_possible_cpus: [ OFF ]  # HAVE_LIBNUMA_SUPPORT
> >                libperl: [ on  ]  # HAVE_LIBPERL_SUPPORT
> >              libpython: [ on  ]  # HAVE_LIBPYTHON_SUPPORT
> >               libslang: [ on  ]  # HAVE_SLANG_SUPPORT
> >              libcrypto: [ on  ]  # HAVE_LIBCRYPTO_SUPPORT
> >              libunwind: [ on  ]  # HAVE_LIBUNWIND_SUPPORT
> >     libdw-dwarf-unwind: [ on  ]  # HAVE_DWARF_SUPPORT
> >                   zlib: [ on  ]  # HAVE_ZLIB_SUPPORT
> >                   lzma: [ on  ]  # HAVE_LZMA_SUPPORT
> >              get_cpuid: [ on  ]  # HAVE_AUXTRACE_SUPPORT
> >                    bpf: [ on  ]  # HAVE_LIBBPF_SUPPORT
> >                    aio: [ on  ]  # HAVE_AIO_SUPPORT
> >                   zstd: [ on  ]  # HAVE_ZSTD_SUPPORT
> > and
> > 	linux-vdso.so.1 (0x00007ffe55fca000)
> > 	libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0
> > (0x00007f82758f9000)
> > 	librt.so.1 => /lib/x86_64-linux-gnu/librt.so.1 (0x00007f82756f1000)
> > 	libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007f8275353000)
> > 	libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007f827514f000)
> > 	libelf.so.1 => /usr/lib/x86_64-linux-gnu/libelf.so.1 (0x00007f8274f35000)
> > 	libdw.so.1 => /usr/lib/x86_64-linux-gnu/libdw.so.1 (0x00007f8274ce9000)
> > 	libunwind-x86_64.so.8 => /usr/lib/x86_64-linux-gnu/libunwind-x86_64.so.8
> > (0x00007f8274aca000)
> > 	libunwind.so.8 => /usr/lib/x86_64-linux-gnu/libunwind.so.8
> 
> libunwind, ok
> 
> > (0x00007f82748af000)
> > 	liblzma.so.5 => /lib/x86_64-linux-gnu/liblzma.so.5 (0x00007f8274689000)
> > 	libslang.so.2 => /lib/x86_64-linux-gnu/libslang.so.2 (0x00007f82741a7000)
> > 	libperl.so.5.26 => /usr/lib/x86_64-linux-gnu/libperl.so.5.26
> > (0x00007f8273daa000)
> > 	libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f82739b9000)
> > 	libpython2.7.so.1.0 => /usr/lib/x86_64-linux-gnu/libpython2.7.so.1.0
> > (0x00007f827343c000)
> > 	libz.so.1 => /lib/x86_64-linux-gnu/libz.so.1 (0x00007f827321f000)
> > 	libzstd.so.1 => /usr/lib/x86_64-linux-gnu/libzstd.so.1 (0x00007f8272fa4000)
> > 	/lib64/ld-linux-x86-64.so.2 (0x00007f8276427000)
> > 	libbz2.so.1.0 => /lib/x86_64-linux-gnu/libbz2.so.1.0 (0x00007f8272d94000)
> > 	libcrypt.so.1 => /lib/x86_64-linux-gnu/libcrypt.so.1 (0x00007f8272b5c000)
> > 	libutil.so.1 => /lib/x86_64-linux-gnu/libutil.so.1 (0x00007f8272959000)
> > 
> > Mr. Olsa said he needs the output of perf archive.
> 
> Mr Olsa did not actualy try to open/close pdf before as you described.. let me try and I'll let you know

yea, no luck.. so if you could generate some reasonable small perf.data that
shows the issue and send it over together with 'perf archive' data privately
to me and to whoever else ask for it, so we don't polute the list..

or if you could put it somewhere on the web/ftp.. that'd be best

thanks,
jirka


  reply index

Thread overview: 67+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <157597d74ff17f781d9de7e7e3defd13@ut.ac.ir>
2020-03-22 20:24 ` ahmadkhorrami
2020-03-23  0:34   ` Steven Rostedt
     [not found]     ` <21b3df4080709f193d62b159887e2a83@ut.ac.ir>
2020-03-23  8:49       ` Jiri Olsa
2020-03-23 10:03         ` ahmadkhorrami
2020-03-25 15:18           ` ahmadkhorrami
2020-03-25 15:46             ` Jiri Olsa
2020-03-25 18:54               ` ahmadkhorrami
2020-03-25 18:58               ` Arnaldo Carvalho de Melo
2020-03-25 19:10                 ` ahmadkhorrami
2020-03-25 19:28                   ` Arnaldo Carvalho de Melo
2020-03-25 20:01                     ` ahmadkhorrami
2020-03-25 20:39                       ` Jiri Olsa
2020-03-25 21:02                         ` Jiri Olsa [this message]
2020-03-25 21:09                           ` Steven Rostedt
2020-03-25 21:37                             ` ahmadkhorrami
2020-03-25 21:46                               ` Jiri Olsa
2020-03-25 22:21                                 ` ahmadkhorrami
2020-03-25 23:09                                   ` ahmadkhorrami
2020-03-26  9:59                                     ` Jiri Olsa
2020-03-26 13:20                                       ` ahmadkhorrami
2020-03-26 15:39                                         ` Jiri Olsa
2020-03-26 18:19                                           ` ahmadkhorrami
2020-03-26 18:21                                             ` ahmadkhorrami
2020-03-27  9:20                                             ` Jiri Olsa
2020-03-27 10:59                                               ` ahmadkhorrami
2020-03-27 11:04                                                 ` ahmadkhorrami
2020-03-27 12:10                                                   ` Milian Wolff
2020-03-27 12:58                                                     ` ahmadkhorrami
2020-03-27 13:25                                                       ` Milian Wolff
2020-03-27 13:33                                                         ` ahmadkhorrami
2020-03-27 18:43                                                   ` ahmadkhorrami
2020-03-27 22:37                                                     ` Jiri Olsa
2020-03-27 23:12                                                       ` ahmadkhorrami
2020-03-28 23:34                                                         ` Jiri Olsa
2020-03-29  0:43                                                           ` ahmadkhorrami
2020-03-29  1:16                                                             ` ahmadkhorrami
2020-03-29 11:19                                                               ` Jiri Olsa
2020-03-29 11:52                                                                 ` ahmadkhorrami
2020-03-29 12:08                                                                   ` Jiri Olsa
2020-03-29 12:39                                                                     ` ahmadkhorrami
2020-03-29 13:50                                                                       ` Milian Wolff
2020-03-29 14:23                                                                         ` ahmadkhorrami
2020-03-29 19:20                                                                         ` Jiri Olsa
2020-03-30  6:09                                                                           ` Milian Wolff
2020-03-30 13:07                                                                             ` Jiri Olsa
2020-03-30 13:49                                                                               ` ahmadkhorrami
2020-03-30 19:05                                                                                 ` ahmadkhorrami
2020-03-30 21:05                                                                                   ` debuginfod-based dwarf downloading, was " Frank Ch. Eigler
2020-03-31  9:26                                                                                     ` Jiri Olsa
2020-03-31 14:00                                                                                       ` Frank Ch. Eigler
2020-03-31  4:43                                                                                   ` ahmadkhorrami
2020-03-31  9:30                                                                                     ` Jiri Olsa
2020-03-31 11:53                                                                                       ` ahmadkhorrami
2020-03-31 12:43                                                                                   ` ahmadkhorrami
2020-03-31 13:20                                                                                     ` Jiri Olsa
2020-03-31 13:39                                                                                       ` ahmadkhorrami
2020-03-31 14:44                                                                                         ` Milian Wolff
2020-03-31 15:02                                                                                           ` ahmadkhorrami
2020-03-31 15:05                                                                                             ` ahmadkhorrami
2020-03-31 15:29                                                                                             ` Milian Wolff
2020-03-31 16:10                                                                                               ` Arnaldo Carvalho de Melo
2020-03-31 19:20                                                                                                 ` ahmadkhorrami
2020-03-31 19:17                                                                                               ` ahmadkhorrami
2020-03-31 20:57                                                                                               ` ahmadkhorrami
2020-04-04  1:01                                                                                                 ` ahmadkhorrami
2020-04-11 16:42                                                                                                   ` ahmadkhorrami
2020-04-11 21:04                                                                                                     ` ahmadkhorrami

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