linux-kernel - Re: [PATCH 21/25] perf evsel: Skip ignored symbols while printing callchain

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Date:	Tue, 26 Nov 2013 11:20:02 -0300
From:	Arnaldo Carvalho de Melo <acme@...radead.org>
To:	Adrian Hunter <adrian.hunter@...el.com>
Cc:	David Ahern <dsahern@...il.com>, Ingo Molnar <mingo@...nel.org>,
	linux-kernel@...r.kernel.org,
	Frederic Weisbecker <fweisbec@...il.com>,
	Jiri Olsa <jolsa@...hat.com>,
	Namhyung Kim <namhyung@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Stephane Eranian <eranian@...gle.com>
Subject: Re: [PATCH 21/25] perf evsel: Skip ignored symbols while printing
 callchain

Em Tue, Nov 26, 2013 at 12:52:21PM +0200, Adrian Hunter escreveu:
> On 25/11/13 16:17, Arnaldo Carvalho de Melo wrote:
> > From: David Ahern <dsahern@...il.com>
> >  	} else {
> > +		if (al.sym->ignore)
> 
> Seems to segfault here because sym is null
> 
> > +			return;
> > +

Changed it to look at (al.sym && al.sym->ignore), the rest of the code
already checkfs if al.sym is NULL (printing [unknown], etc), can you
please take a look at:

https://git.kernel.org/cgit/linux/kernel/git/acme/linux.git/commit/?h=perf/core&id=c0dd57452349779e0e5d436db8f9448dfffcc512

In an updated acme/perf/core branch?

- Arnaldo
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