linux-kernel - Re: [PATCH 1/1] perf:Adding --list-opts to usage string

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Message-ID: <561E5939.90605@huawei.com>
Date:	Wed, 14 Oct 2015 21:31:37 +0800
From:	Yunlong Song <yunlong.song@...wei.com>
To:	Arnaldo Carvalho de Melo <acme@...nel.org>
CC:	Ramkumar Ramachandra <artagnon@...il.com>,
	Sriram Raghunathan <sriram.r@...ia.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Jiri Olsa <jolsa@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>,
	David Ahern <dsahern@...il.com>,
	"Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>,
	Wang Nan <wangnan0@...wei.com>, Ingo Molnar <mingo@...nel.org>
Subject: Re: [PATCH 1/1] perf:Adding --list-opts to usage string

On 2015/10/14 11:10, Arnaldo Carvalho de Melo wrote:

> One doesn't show what options can be used, the other does, so there is
> an inconsistency, this and the fact that 'perf -h' outputs to stdout,
> 'perf stat -h' and the other builtins output to stderr. I think all
> should output to stdout, just like 'ls --help', what do you think?
> 
> - Arnaldo
>  

I think the reason that options do not show in 'perf -h' but show in
other builtins is not the different use of stdout or stderr. I will
send a patch to fix this instead.

-- 
Thanks,
Yunlong Song

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