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Date: Tue, 29 Oct 2013 13:51:56 +0400
From: Stanislav Fomichev <stfomichev@yandex-team.ru>
To: Namhyung Kim <namhyung@kernel.org>
Cc: a.p.zijlstra@chello.nl, paulus@samba.org, mingo@redhat.com,
        acme@ghostprotocols.net, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 5/6] perf timechart: add support for -P and -T in
 timechart recording
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> It should be ARRAY_SIZE(old_power_args).
Thanks :-)

> Do we really need to separate the option and usage for record?  AFAICS
> it does exactly same thing..
Yes, we do. Some options which are defined for timechart are undefined
for record (like -i, -o, etc), so we want to get an error in case of wrong
options.

And we separate usage, because it's different in timechart:
		"perf timechart [<options>] {record}",

and record:
		"perf timechart record [<options>]",

We may share usage, but we need it to be something (confusing?) like:
		"perf timechart [<options>] {record [<options>]}",
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