From: Jiri Olsa <jolsa@redhat.com>
To: Ravi Bangoria <ravi.bangoria@linux.vnet.ibm.com>
Cc: Jiri Olsa <jolsa@kernel.org>,
Arnaldo Carvalho de Melo <acme@kernel.org>,
lkml <linux-kernel@vger.kernel.org>,
Ingo Molnar <mingo@kernel.org>,
Namhyung Kim <namhyung@kernel.org>,
David Ahern <dsahern@gmail.com>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Andi Kleen <andi@firstfloor.org>
Subject: Re: [PATCH 16/35] perf annotate: Add samples into struct annotation_line
Date: Mon, 13 Nov 2017 21:14:38 +0100 [thread overview]
Message-ID: <20171113201438.GB26900@krava> (raw)
In-Reply-To: <c7ea9339-804f-c56a-fc4c-960036ccfb86@linux.vnet.ibm.com>
On Mon, Nov 13, 2017 at 09:16:20PM +0530, Ravi Bangoria wrote:
> Hi Jiri,
>
> This patch seems to be causing segfault with "perf top --stdio".
>
> Steps to reproduce:
> 1. start "perf top --stdio" in one terminal
> 2. run some simple workload in another terminal, let it get finished.
> 3. annotate function from previous workload in perf top (press 'a' followed
> by 's')
>
> Perf will crash with:
>
> perf: Segmentation fault
> Obtained 8 stack frames.
> ./perf(sighandler_dump_stack+0x3e) [0x4f1b6e]
> /lib64/libc.so.6(+0x36a7f) [0x7ff3aa7e4a7f]
> ./perf() [0x4a27fd]
> ./perf(symbol__annotate+0x199) [0x4a4439]
> ./perf() [0x44e32d]
> ./perf() [0x44f098]
> /lib64/libpthread.so.0(+0x736c) [0x7ff3acee836c]
> /lib64/libc.so.6(clone+0x3e) [0x7ff3aa8bee1e]
>
> Can you please check.
hum, I'm getting following crash after resizing the terminal window:
perf: Floating point exception
Obtained 8 stack frames.
./perf(dump_stack+0x2e) [0x510c89]
./perf(sighandler_dump_stack+0x2e) [0x510d69]
/lib64/libc.so.6(+0x36a80) [0x7f9419588a80]
./perf(perf_top__header_snprintf+0x208) [0x4f42c1]
./perf() [0x453c09]
./perf() [0x454ddb]
/lib64/libpthread.so.0(+0x736d) [0x7f941bc8c36d]
/lib64/libc.so.6(clone+0x3f) [0x7f9419662e1f]
Floating point exception (core dumped)
working on fix
jirka
next prev parent reply other threads:[~2017-11-13 20:14 UTC|newest]
Thread overview: 94+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-11 15:01 [PATCH 00/35] perf annotate: Use generic annotation line Jiri Olsa
2017-10-11 15:01 ` [PATCH 01/35] perf annotate: Remove arch::cpuid_parse callback Jiri Olsa
2017-10-24 10:14 ` [tip:perf/core] " tip-bot for Jiri Olsa
2017-10-11 15:01 ` [PATCH 02/35] perf annotate: Add annotation_line struct Jiri Olsa
2017-10-11 15:29 ` Arnaldo Carvalho de Melo
2017-10-11 19:12 ` Jiri Olsa
2017-11-18 8:10 ` [tip:perf/core] " tip-bot for Jiri Olsa
2017-10-11 15:01 ` [PATCH 03/35] perf annotate: Move line/offset into " Jiri Olsa
2017-11-18 8:11 ` [tip:perf/core] " tip-bot for Jiri Olsa
2017-10-11 15:01 ` [PATCH 04/35] perf annotate: Move ipc/cycles " Jiri Olsa
2017-11-18 8:11 ` [tip:perf/core] " tip-bot for Jiri Olsa
2017-10-11 15:01 ` [PATCH 05/35] perf annotate: Add symbol__annotate function Jiri Olsa
2017-11-18 8:12 ` [tip:perf/core] " tip-bot for Jiri Olsa
2017-10-11 15:01 ` [PATCH 06/35] perf annotate: Add struct annotate_args Jiri Olsa
2017-11-18 8:12 ` [tip:perf/core] " tip-bot for Jiri Olsa
2017-10-11 15:01 ` [PATCH 07/35] perf annotate: Add arch into " Jiri Olsa
2017-11-18 8:13 ` [tip:perf/core] " tip-bot for Jiri Olsa
2017-10-11 15:01 ` [PATCH 08/35] perf annotate: Add map " Jiri Olsa
2017-11-18 8:13 ` [tip:perf/core] " tip-bot for Jiri Olsa
2017-10-11 15:01 ` [PATCH 09/35] perf annotate: Add offset/line/line_nr " Jiri Olsa
2017-11-18 8:13 ` [tip:perf/core] " tip-bot for Jiri Olsa
2017-10-11 15:01 ` [PATCH 10/35] perf annotate: Add evsel into struct annotation_line_args Jiri Olsa
2017-11-18 8:14 ` [tip:perf/core] " tip-bot for Jiri Olsa
2017-10-11 15:01 ` [PATCH 11/35] perf annotate: Add annotation_line__next function Jiri Olsa
2017-11-18 8:14 ` [tip:perf/core] " tip-bot for Jiri Olsa
2017-10-11 15:01 ` [PATCH 12/35] perf annotate: Add annotation_line__add function Jiri Olsa
2017-11-18 8:15 ` [tip:perf/core] " tip-bot for Jiri Olsa
2017-10-11 15:01 ` [PATCH 13/35] perf annotate: Move rb_node into struct annotation_line Jiri Olsa
2017-11-18 8:15 ` [tip:perf/core] perf annotate: Move rb_node to " tip-bot for Jiri Olsa
2017-10-11 15:01 ` [PATCH 14/35] perf annotate: Add annotation_line__(new|free) functions Jiri Olsa
2017-11-18 8:15 ` [tip:perf/core] perf annotate: Add annotation_line__(new|delete) functions tip-bot for Jiri Olsa
2017-10-11 15:01 ` [PATCH 15/35] perf annotate: Add annotated_source__purge function Jiri Olsa
2017-11-18 8:16 ` [tip:perf/core] " tip-bot for Jiri Olsa
2017-10-11 15:01 ` [PATCH 16/35] perf annotate: Add samples into struct annotation_line Jiri Olsa
2017-11-13 15:46 ` Ravi Bangoria
2017-11-13 20:14 ` Jiri Olsa [this message]
2017-11-14 9:31 ` Jiri Olsa
2017-11-14 10:15 ` Ravi Bangoria
2017-11-14 10:29 ` Jiri Olsa
2017-11-15 14:04 ` Jiri Olsa
2017-11-16 4:27 ` Ravi Bangoria
2017-11-18 8:16 ` [tip:perf/core] " tip-bot for Jiri Olsa
2017-10-11 15:01 ` [PATCH 17/35] perf annotate: Add symbol__calc_percent function Jiri Olsa
2017-11-18 8:17 ` [tip:perf/core] " tip-bot for Jiri Olsa
2017-10-11 15:01 ` [PATCH 18/35] perf annotate: Add symbol__calc_lines function Jiri Olsa
2017-11-18 8:17 ` [tip:perf/core] " tip-bot for Jiri Olsa
2017-10-11 15:01 ` [PATCH 19/35] perf annotate: Remove disasm__calc_percent from disasm_line__print Jiri Olsa
2017-11-18 8:17 ` [tip:perf/core] perf annotate: Remove disasm__calc_percent() from disasm_line__print() tip-bot for Jiri Olsa
2017-10-11 15:01 ` [PATCH 20/35] perf annotate: Remove disasm__calc_percent from annotate_browser__calc_percent Jiri Olsa
2017-11-18 8:18 ` [tip:perf/core] perf annotate: Remove disasm__calc_percent() from annotate_browser__calc_percent() tip-bot for Jiri Olsa
2017-10-11 15:01 ` [PATCH 21/35] perf annotate: Remove disasm__calc_percent function Jiri Olsa
2017-11-18 8:18 ` [tip:perf/core] " tip-bot for Jiri Olsa
2017-10-11 15:01 ` [PATCH 22/35] perf annotate: Remove struct source_line Jiri Olsa
2017-11-18 8:19 ` [tip:perf/core] " tip-bot for Jiri Olsa
2017-10-11 15:01 ` [PATCH 23/35] perf annotate: Add annotation_line__print function Jiri Olsa
2017-11-18 8:19 ` [tip:perf/core] " tip-bot for Jiri Olsa
2017-10-11 15:01 ` [PATCH 24/35] perf annotate: Factor annotation_line__print from disasm_line__print Jiri Olsa
2017-11-18 8:19 ` [tip:perf/core] " tip-bot for Jiri Olsa
2017-10-11 15:01 ` [PATCH 25/35] perf annotate browser: Use samples data from struct annotation_line Jiri Olsa
2017-11-18 8:20 ` [tip:perf/core] " tip-bot for Jiri Olsa
2017-10-11 15:01 ` [PATCH 26/35] perf annotate browser: Do not pass nr_events in disasm_rb_tree__insert Jiri Olsa
2017-11-18 8:20 ` [tip:perf/core] " tip-bot for Jiri Olsa
2017-10-11 15:01 ` [PATCH 27/35] perf annotate browser: Rename struct browser_disasm_line to browser_line Jiri Olsa
2017-11-06 10:55 ` [PATCHv2 " Jiri Olsa
2017-11-18 8:21 ` [tip:perf/core] " tip-bot for Jiri Olsa
2017-10-11 15:01 ` [PATCH 28/35] perf annotate browser: Rename disasm_line__browser " Jiri Olsa
2017-11-06 10:55 ` [PATCHv2 " Jiri Olsa
2017-11-18 8:21 ` [tip:perf/core] " tip-bot for Jiri Olsa
2017-10-11 15:01 ` [PATCH 29/35] perf annotate browser: Change selection to struct annotation_line Jiri Olsa
2017-11-06 10:56 ` [PATCHv2 " Jiri Olsa
2017-11-18 8:21 ` [tip:perf/core] " tip-bot for Jiri Olsa
2017-10-11 15:01 ` [PATCH 30/35] perf annotate browser: Change offsets " Jiri Olsa
2017-11-18 8:22 ` [tip:perf/core] " tip-bot for Jiri Olsa
2017-10-11 15:01 ` [PATCH 31/35] perf annotate browser: Use struct annotation_line in browser_line Jiri Olsa
2017-11-18 8:22 ` [tip:perf/core] " tip-bot for Jiri Olsa
2017-10-11 15:01 ` [PATCH 32/35] perf annotate browser: Use struct annotation_line in find functions Jiri Olsa
2017-11-18 8:23 ` [tip:perf/core] " tip-bot for Jiri Olsa
2017-10-11 15:01 ` [PATCH 33/35] perf annotate browser: Use struct annotation_line in browser top Jiri Olsa
2017-11-18 8:23 ` [tip:perf/core] " tip-bot for Jiri Olsa
2017-10-11 15:01 ` [PATCH 34/35] perf annotate browser: Add disasm_line__write function Jiri Olsa
2017-11-18 8:23 ` [tip:perf/core] " tip-bot for Jiri Olsa
2017-10-11 15:01 ` [PATCH 35/35] perf annotate: Align source and offset lines Jiri Olsa
2017-11-07 14:10 ` Arnaldo Carvalho de Melo
2017-11-07 14:50 ` Jiri Olsa
2017-11-18 8:24 ` [tip:perf/core] " tip-bot for Jiri Olsa
2017-10-11 15:27 ` [PATCH 00/35] perf annotate: Use generic annotation line Arnaldo Carvalho de Melo
2017-10-11 19:10 ` Jiri Olsa
2017-10-11 19:18 ` Arnaldo Carvalho de Melo
2017-10-11 19:30 ` Jiri Olsa
2017-10-11 19:43 ` Arnaldo Carvalho de Melo
2017-11-02 12:16 ` Jiri Olsa
2017-11-03 16:59 ` Arnaldo Carvalho de Melo
2017-11-04 10:29 ` Jiri Olsa
2017-11-06 10:56 ` Jiri Olsa
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