linux-kernel - Re: [PATCH] perf session: Fix infinite loop on invalid perf.data file

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Message-ID: <20131004152524.GA2265@ghostprotocols.net>
Date:	Fri, 4 Oct 2013 12:25:24 -0300
From:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
To:	David Ahern <dsahern@...il.com>
Cc:	Ingo Molnar <mingo@...nel.org>, Namhyung Kim <namhyung@...nel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>,
	Namhyung Kim <namhyung.kim@....com>,
	LKML <linux-kernel@...r.kernel.org>,
	Jiri Olsa <jolsa@...hat.com>, Sonny Rao <sonnyrao@...omium.org>
Subject: Re: [PATCH] perf session: Fix infinite loop on invalid perf.data file

Em Tue, Oct 01, 2013 at 10:59:06AM -0600, David Ahern escreveu:
> On 10/1/13 10:54 AM, Arnaldo Carvalho de Melo wrote:
> >Em Tue, Oct 01, 2013 at 05:33:09PM +0200, Ingo Molnar escreveu:
> >>* David Ahern <dsahern@...il.com> wrote:
> >>>On 10/1/13 8:21 AM, Ingo Molnar wrote:
> >I liked this last one:
> >
> >>   WARNING: The perf.data file's data size field is 0 which is unexpected.
> >>            Was the 'perf record' command properly terminated?
> >
> >Can I patch that up into Namhyung's latest patch?
> >
> >Sonny, David, from your replies I think I can add Tested-by: tags for
> >both of you?
> 
> I'm fine with the last message. And yes a Tested by

Got to process this now, changing it a bit to replace "perf.data" with
"%s" + session->filename, ack?

Otherwise the user may have a 'perf.data' file and despite having
informed -i with a different file name still get confused... ;-)

- Arnaldo
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