From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Sandipan Das <sandipan@linux.ibm.com>
Cc: Milian Wolff <milian.wolff@kdab.com>,
jolsa@kernel.org, yao.jin@linux.intel.com, namhyung@kernel.org,
Linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org
Subject: Re: [PATCH 1/3] perf report: don't try to map ip to invalid map
Date: Thu, 27 Sep 2018 16:11:53 -0300 [thread overview]
Message-ID: <20180927191153.GH25764@kernel.org> (raw)
In-Reply-To: <30c8b8d9-4d0f-ec28-907b-899edd632fb1@linux.ibm.com>
Em Thu, Sep 27, 2018 at 02:18:47PM +0530, Sandipan Das escreveu:
>
>
> On 26/09/18 7:22 PM, Milian Wolff wrote:
> > Fixes a crash when the report encounters an address that
> > could not be associated with an mmaped region:
> >
> > #0 0x00005555557bdc4a in callchain_srcline (ip=<error reading variable: Cannot access memory at address 0x38>, sym=0x0, map=0x0) at util/machine.c:2329
> > #1 unwind_entry (entry=entry@entry=0x7fffffff9180, arg=arg@entry=0x7ffff5642498) at util/machine.c:2329
> > #2 0x00005555558370af in entry (arg=0x7ffff5642498, cb=0x5555557bdb50 <unwind_entry>, thread=<optimized out>, ip=18446744073709551615) at util/unwind-libunwind-local.c:586
> > #3 get_entries (ui=ui@entry=0x7fffffff9620, cb=0x5555557bdb50 <unwind_entry>, arg=0x7ffff5642498, max_stack=<optimized out>) at util/unwind-libunwind-local.c:703
> > #4 0x0000555555837192 in _unwind__get_entries (cb=<optimized out>, arg=<optimized out>, thread=<optimized out>, data=<optimized out>, max_stack=<optimized out>) at util/unwind-libunwind-local.c:725
> > #5 0x00005555557c310f in thread__resolve_callchain_unwind (max_stack=127, sample=0x7fffffff9830, evsel=0x555555c7b3b0, cursor=0x7ffff5642498, thread=0x555555c7f6f0) at util/machine.c:2351
> > #6 thread__resolve_callchain (thread=0x555555c7f6f0, cursor=0x7ffff5642498, evsel=0x555555c7b3b0, sample=0x7fffffff9830, parent=0x7fffffff97b8, root_al=0x7fffffff9750, max_stack=127) at util/machine.c:2378
> > #7 0x00005555557ba4ee in sample__resolve_callchain (sample=<optimized out>, cursor=<optimized out>, parent=parent@entry=0x7fffffff97b8, evsel=<optimized out>, al=al@entry=0x7fffffff9750,
> > max_stack=<optimized out>) at util/callchain.c:1085
> >
>
> Tested-by: Sandipan Das <sandipan@linux.ibm.com>
Thanks, applied.
- Arnaldo
next prev parent reply other threads:[~2018-09-27 19:11 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-26 13:52 [PATCH 1/3] perf report: don't try to map ip to invalid map Milian Wolff
2018-09-26 13:52 ` [PATCH 2/3] perf report: use the offset address to find inline frames Milian Wolff
2018-09-27 16:00 ` Jiri Olsa
2018-09-27 19:12 ` Arnaldo Carvalho de Melo
2018-10-02 7:39 ` [PATCH] perf record: use unmapped IP for inline callchain cursors Milian Wolff
2018-10-02 15:32 ` Arnaldo Carvalho de Melo
2018-10-03 3:35 ` Ravi Bangoria
2018-10-05 13:48 ` Arnaldo Carvalho de Melo
2018-10-08 18:49 ` Milian Wolff
2018-10-05 14:11 ` Arnaldo Carvalho de Melo
2018-10-05 16:21 ` [tip:perf/urgent] perf record: Use " tip-bot for Milian Wolff
2018-09-26 13:52 ` [PATCH 3/3] perf report: don't crash on invalid inline debug information Milian Wolff
2018-09-27 19:10 ` Arnaldo Carvalho de Melo
2018-10-11 18:23 ` Milian Wolff
2018-10-11 19:39 ` Arnaldo Carvalho de Melo
2018-10-15 20:51 ` Milian Wolff
2018-10-16 17:49 ` Arnaldo Carvalho de Melo
2018-10-16 17:52 ` Arnaldo Carvalho de Melo
2018-10-16 19:00 ` Milian Wolff
2018-10-16 20:06 ` Arnaldo Carvalho de Melo
2018-10-18 6:20 ` [tip:perf/urgent] perf report: Don't " tip-bot for Milian Wolff
2018-09-26 14:18 ` [PATCH 1/3] perf report: don't try to map ip to invalid map Arnaldo Carvalho de Melo
2018-09-26 14:41 ` Milian Wolff
2018-09-27 19:07 ` Arnaldo Carvalho de Melo
2018-09-27 8:48 ` Sandipan Das
2018-09-27 19:11 ` Arnaldo Carvalho de Melo [this message]
2018-09-27 16:02 ` Jiri Olsa
2018-10-05 16:20 ` [tip:perf/urgent] perf report: Don't " tip-bot for Milian Wolff
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