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Message-ID: <20091130222431.78a300e7@infradead.org>
Date: Mon, 30 Nov 2009 22:24:31 -0800
From: Arjan van de Ven <arjan@...radead.org>
To: Li Zefan <lizf@...fujitsu.com>
Cc: Ingo Molnar <mingo@...e.hu>,
Frédéric Weisbecker <f.weisbecker@...il.com>,
Arnaldo Carvalho de Melo <acme@...radead.org>,
Peter Zijlstra <peterz@...radead.org>,
LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2] perf timechart: Remove open-coded event parsing
code
On Tue, 01 Dec 2009 14:05:16 +0800
Li Zefan <lizf@...fujitsu.com> wrote:
> - size = 8;
> + if (!(sample_type & PERF_SAMPLE_RAW)) {
> + fprintf(stderr,
> + "No trace sample to read. Did you call perf
> record "
> + "without -R?");
> + return -1;
> }
while I like your cleanup... I am not so sure this printk makes sense
whatsoever.... the user did not use "perf record" to get here...
--
Arjan van de Ven Intel Open Source Technology Centre
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visit http://www.lesswatts.org
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