From: Andi Kleen <andi@firstfloor.org>
To: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>, Namhyung Kim <namhyung@kernel.org>,
Andi Kleen <andi@firstfloor.org>, Jiri Olsa <jolsa@kernel.org>,
linux-kernel@vger.kernel.org, "Liang, Kan" <kan.liang@intel.com>
Subject: Re: Implement lbr-as-callgraph v10
Date: Wed, 19 Nov 2014 22:50:41 +0100 [thread overview]
Message-ID: <20141119215041.GN12538@two.firstfloor.org> (raw)
In-Reply-To: <20141119141027.GF3790@kernel.org>
> Segmentation fault (core dumped)
> [root@zoo ~]#
>
> Rebuilding with DEBUG=1 I get this backtrace:
Ok it crashes inside libbfd while resolving the line.
Not much I can do about it.
Could file a bug with the binutils people, if you have a test case?
>
> Using host libthread_db library "/lib64/libthread_db.so.1".
> Core was generated by `perf report --stdio --no-children --branch-history'.
> Program terminated with signal SIGSEGV, Segmentation fault.
> #0 0x000000000053ab10 in read_unsigned_leb128 ()
> Missing separate debuginfos, use: debuginfo-install bzip2-libs-1.0.6-9.fc20.x86_64 elfutils-libelf-0.160-1.fc20.x86_64 elfutils-libs-0.160-1.fc20.x86_64 libunwind-1.1-3.fc20.x86_64 nss-softokn-freebl-3.17.2-1.fc20.x86_64 numactl-libs-2.0.9-2.fc20.x86_64 slang-2.2.4-11.fc20.x86_64 xz-libs-5.1.2-12alpha.fc20.x86_64
> (gdb) bt
> #0 0x000000000053ab10 in read_unsigned_leb128 ()
> #1 0x00000000005485d7 in find_abstract_instance_name.isra ()
> #2 0x0000000000548756 in find_abstract_instance_name.isra ()
> #3 0x0000000000548756 in find_abstract_instance_name.isra ()
> #4 0x0000000000548d31 in scan_unit_for_symbols ()
> #5 0x00000000005496c9 in comp_unit_find_nearest_line ()
> #6 0x000000000054a6ca in find_line.part ()
> #7 0x00000000005606ca in _bfd_elf_find_nearest_line_discriminator ()
> #8 0x00000000005607db in _bfd_elf_find_nearest_line ()
> #9 0x00000000004dabf1 in find_address_in_section (abfd=0xfd522f0, section=0xe8be528, data=0xfa50c30) at util/srcline.c:100
> #10 0x000000000053cbdc in bfd_map_over_sections ()
> #11 0x00000000004dae84 in addr2line (dso_name=0xe89fe70 "/usr/lib/debug/usr/lib64/firefox/libxul.so.debug", addr=24667432, file=0x7fff3981f9c0, line=0x7fff3981f9bc, dso=0x22a0b50) at util/srcline.c:168
> #12 0x00000000004db017 in get_srcline (dso=0x22a0b50, addr=24667432, sym=0xf6b93f0, show_sym=true) at util/srcline.c:276
next prev parent reply other threads:[~2014-11-19 21:50 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-13 2:05 Implement lbr-as-callgraph v10 Andi Kleen
2014-11-13 2:05 ` [PATCH 01/10] perf, tools: Factor out adding new call chain entries Andi Kleen
2014-11-13 19:14 ` Arnaldo Carvalho de Melo
2014-11-20 7:37 ` [tip:perf/core] perf callchain: " tip-bot for Andi Kleen
2014-11-13 2:05 ` [PATCH 02/10] perf, tools: Support handling complete branch stacks as histograms Andi Kleen
2014-11-13 19:14 ` Arnaldo Carvalho de Melo
2014-11-13 19:52 ` Andi Kleen
2014-11-13 20:08 ` Arnaldo Carvalho de Melo
2014-11-13 20:15 ` Andi Kleen
2014-11-13 20:42 ` Arnaldo Carvalho de Melo
2014-12-08 6:53 ` [tip:perf/core] perf callchain: " tip-bot for Andi Kleen
2014-11-13 2:05 ` [PATCH 03/10] perf, tools: Use al.addr to set up call chain Andi Kleen
2014-11-13 19:16 ` Arnaldo Carvalho de Melo
2014-12-11 21:46 ` Jiri Olsa
2014-12-11 22:27 ` Andi Kleen
2014-11-20 7:38 ` [tip:perf/core] perf callchain: " tip-bot for Andi Kleen
2014-11-13 2:05 ` [PATCH 04/10] perf, tools: Add --branch-history option to report Andi Kleen
2014-12-08 6:53 ` [tip:perf/core] perf report: Add --branch-history option tip-bot for Andi Kleen
2014-11-13 2:05 ` [PATCH 05/10] perf, tools: Use a common function to resolve symbol or name Andi Kleen
2014-11-13 19:17 ` Arnaldo Carvalho de Melo
2014-11-20 7:38 ` [tip:perf/core] perf callchain: " tip-bot for Andi Kleen
2014-11-13 2:05 ` [PATCH 06/10] perf, tools: Enable printing the srcline in the history Andi Kleen
2014-11-13 19:20 ` Arnaldo Carvalho de Melo
2014-12-08 6:48 ` [tip:perf/core] perf callchain: " tip-bot for Andi Kleen
2014-11-13 2:05 ` [PATCH 07/10] perf, tools: Only print base source file for srcline Andi Kleen
2014-11-13 19:22 ` Arnaldo Carvalho de Melo
2014-11-20 7:38 ` [tip:perf/core] perf " tip-bot for Andi Kleen
2014-11-13 2:05 ` [PATCH 08/10] perf, tools: Support source line numbers in annotate Andi Kleen
2014-11-13 20:52 ` Arnaldo Carvalho de Melo
2014-11-20 7:39 ` [tip:perf/core] perf annotate: " tip-bot for Andi Kleen
2014-11-13 2:05 ` [PATCH 09/10] tools, perf: Make get_srcline fall back to sym+offset Andi Kleen
2014-12-08 6:49 ` [tip:perf/core] perf callchain: " tip-bot for Andi Kleen
2014-11-13 2:05 ` [PATCH 10/10] tools, perf: Add asprintf replacement Andi Kleen
2014-11-13 20:53 ` Arnaldo Carvalho de Melo
2014-11-13 21:14 ` Andi Kleen
2014-11-17 21:34 ` Implement lbr-as-callgraph v10 Arnaldo Carvalho de Melo
2014-11-18 1:56 ` Andi Kleen
2014-11-18 10:44 ` Jiri Olsa
2014-11-18 11:00 ` Jiri Olsa
2014-11-18 13:37 ` Arnaldo Carvalho de Melo
2014-11-19 15:31 ` Andi Kleen
2014-11-19 6:21 ` Namhyung Kim
2014-11-19 9:23 ` Jiri Olsa
2014-11-19 10:54 ` Jiri Olsa
2014-11-19 14:10 ` Arnaldo Carvalho de Melo
2014-11-19 16:04 ` Arnaldo Carvalho de Melo
2014-11-19 21:48 ` Andi Kleen
2014-11-20 19:33 ` Arnaldo Carvalho de Melo
2014-11-20 20:46 ` Andi Kleen
2014-11-21 20:30 ` Arnaldo Carvalho de Melo
2014-11-22 1:25 ` Andi Kleen
2014-11-24 7:40 ` Namhyung Kim
2014-11-19 21:50 ` Andi Kleen [this message]
2014-11-20 20:36 ` Arnaldo Carvalho de Melo
-- strict thread matches above, loose matches on Subject: below --
2014-09-26 23:37 Andi Kleen
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