linux-kernel - Re: [PATCH] perf report: fix handling of memory sampling sort orders

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Date:	Tue, 26 Feb 2013 14:46:14 +0900
From:	Namhyung Kim <namhyung@...nel.org>
To:	Arnaldo Carvalho de Melo <acme@...hat.com>
Cc:	Stephane Eranian <eranian@...gle.com>,
	linux-kernel@...r.kernel.org, jolsa@...hat.com,
	peterz@...radead.org, mingo@...e.hu
Subject: Re: [PATCH] perf report: fix handling of memory sampling sort orders

Hi,

On Fri, 22 Feb 2013 15:43:22 -0300, Arnaldo Carvalho de Melo wrote:
> Em Fri, Feb 22, 2013 at 03:28:38PM +0100, Stephane Eranian escreveu:
>> 
>> When the memory sampling sort orders were used on perf.data
>> files without memory sampling data, it would crash perf. This
>> patch fixes this by  handling the lack of memory information
>> gracefully, printing N/A and formatting columns correctly
>> whenever necessary.

It'd be great if we could detect the perf.data contains memory sampling
data and then warn user about it and exit like I did for branch
sampling.  What do you think?

Thanks,
Namhyung
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