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Wed, 25 Mar 2020 20:39:27 +0000 (UTC) Received: from krava (unknown [10.40.192.119]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 021DB5C1B0; Wed, 25 Mar 2020 20:39:25 +0000 (UTC) Date: Wed, 25 Mar 2020 21:39:21 +0100 From: Jiri Olsa To: ahmadkhorrami Cc: Arnaldo Carvalho de Melo , Steven Rostedt , Linux-trace Users , Peter Zijlstra , linux-trace-users-owner@vger.kernel.org, Jin Yao Subject: Re: Wrong Perf Backtraces Message-ID: <20200325203921.GB1947699@krava> References: <20200322203421.715b32d8@oasis.local.home> <21b3df4080709f193d62b159887e2a83@ut.ac.ir> <20200323084942.GA1534489@krava> <8645d3626b4714690925328ab00373d6@ut.ac.ir> <20200325154643.GA1934048@krava> <20200325185831.GB19495@redhat.com> <9551c616b045299482fc9e26281c1062@ut.ac.ir> <20200325192858.GC19495@redhat.com> <4ffb7e2b6e272c20616fbf133a125fdf@ut.ac.ir> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4ffb7e2b6e272c20616fbf133a125fdf@ut.ac.ir> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 Sender: linux-trace-users-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-trace-users@vger.kernel.org Archived-At: List-Archive: List-Post: 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 thanks, jirka