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From: Andi Kleen <andi@firstfloor.org>
To: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Andi Kleen <andi@firstfloor.org>,
	Namhyung Kim <namhyung@kernel.org>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>,
	Ingo Molnar <mingo@kernel.org>, Paul Mackerras <paulus@samba.org>,
	Namhyung Kim <namhyung.kim@lge.com>,
	LKML <linux-kernel@vger.kernel.org>, Jiri Olsa <jolsa@redhat.com>,
	David Ahern <dsahern@gmail.com>,
	Frederic Weisbecker <fweisbec@gmail.com>,
	Brendan Gregg <brendan.d.gregg@gmail.com>
Subject: Re: perf report --branch-history segfaul hists browser: Print overhead percent value for first-level callchain
Date: Thu, 27 Nov 2014 19:25:58 +0100	[thread overview]
Message-ID: <20141127182558.GV12538@two.firstfloor.org> (raw)
In-Reply-To: <20141127154249.GI30226@kernel.org>

Thanks for testing.

> Yeah, you are right:
> 
> [acme@zoo linux]$ addr2line -e /usr/lib/debug/usr/lib64/firefox/libxul.so.debug 22fefe8
> BFD: Dwarf Error: Offset (2585882475) greater than or equal to
> .debug_str size (44321517).
> BFD: Dwarf Error: Could not find abbrev number 11800.
> BFD: Dwarf Error: Offset (493511937) greater than or equal to .debug_str
> size (44321517).

But addr2line didn't crash? What happens when you run it under valgrind?

If yes, I can check what it does differently than get_srcline() to make
it recover better.

-Andi


  reply	other threads:[~2014-11-27 18:26 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-11-24  8:13 [PATCH 1/2] perf hists browser: Print overhead percent value for first-level callchain Namhyung Kim
2014-11-24  8:13 ` [PATCH 2/2] perf tools: Collapse first level callchain entry if it has sibling Namhyung Kim
2014-12-08  6:48   ` [tip:perf/core] " tip-bot for Namhyung Kim
2014-11-24 14:52 ` probe + report for following branch history. was Re: [PATCH 1/2] perf hists browser: Print overhead percent value for first-level callchain Arnaldo Carvalho de Melo
2014-11-24 15:23   ` Arnaldo Carvalho de Melo
2014-11-24 15:25     ` Arnaldo Carvalho de Melo
2014-11-24 15:32       ` Arnaldo Carvalho de Melo
2014-11-24 15:48         ` perf/branch-history branch build broken with NO_DEMANGLE=1 " Arnaldo Carvalho de Melo
2014-11-24 21:23           ` Arnaldo Carvalho de Melo
2014-11-24 22:52             ` Andi Kleen
2014-11-25  1:17               ` Arnaldo Carvalho de Melo
2014-11-27 15:42               ` perf report --branch-history segfaul " Arnaldo Carvalho de Melo
2014-11-27 18:25                 ` Andi Kleen [this message]
2014-11-27  1:12   ` probe + report for following branch history. was Re: [PATCH 1/2] perf " Namhyung Kim
2014-12-08  6:48 ` [tip:perf/core] " tip-bot for Namhyung Kim

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