linux-kernel - Re: [BUG] perf top -> annotate broken; bisected to 69aad6f1

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Message-ID: <20110111171124.GB11968@ghostprotocols.net>
Date:	Tue, 11 Jan 2011 15:11:24 -0200
From:	Arnaldo Carvalho de Melo <acme@...hat.com>
To:	Kirill Smelkov <kirr@....spb.ru>
Cc:	Frederic Weisbecker <fweisbec@...il.com>,
	Ingo Molnar <mingo@...e.hu>, Mike Galbraith <efault@....de>,
	Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Stephane Eranian <eranian@...gle.com>,
	Tom Zanussi <tzanussi@...il.com>, linux-kernel@...r.kernel.org
Subject: Re: [BUG] perf top -> annotate broken; bisected to 69aad6f1

Em Tue, Jan 11, 2011 at 07:35:20PM +0300, Kirill Smelkov escreveu:
> Hello up there,
> 
> Since 69aad6f1ee69546dea8535ab8f3da9f445d57328 (perf tools: Introduce
> event selectors; Jan 3 2011) annotating a symbol in perf top segfaults:
> 
>     Program received signal SIGSEGV, Segmentation fault.
>     [Switching to Thread 0xb714cb90 (LWP 4662)]
>     event_name (evsel=0x0) at util/parse-events.c:274
>     274             return __event_name(type, config);
>     (gdb) bt
>     #0  event_name (evsel=0x0) at util/parse-events.c:274
>     #1  0x0805f892 in display_thread (arg=0x9422448) at builtin-top.c:359
>     #2  0xb77234c0 in start_thread () from /lib/i686/cmov/libpthread.so.0
>     #3  0xb732b84e in clone () from /lib/i686/cmov/libc.so.6
> 
> 
> It used to work...

Thanks for the report, working on a fix.

- Arnaldo
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