linux-kernel - Re: [PATCH 2/2] perf timechart: Remove open-coded event parsing code

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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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