linux-kernel - Re: [PATCH 3/3] perf timechart: add more options to IO mode

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Message-ID: <20140616061522.GB9394@stfomichev-desktop.yandex.net>
Date:	Mon, 16 Jun 2014 10:15:22 +0400
From:	Stanislav Fomichev <stfomichev@...dex-team.ru>
To:	Namhyung Kim <namhyung@...nel.org>
Cc:	acme@...nel.org, artagnon@...il.com, jolsa@...hat.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/3] perf timechart: add more options to IO mode

> It's in nano-second unit, right?  If so, it's very unconvenient for user
> to specify.  Maybe we could support to parse unit (s, ms, us, ...) also.
Yes, it's nano-second. I didn't want to limit it to ms, because I
still want to be able to specify ns. I think it's a good idea to support
parsing units. Can I use OPT_CALLBACK or there is a better way to do that
(I couldn't find any similar conversions in perf)?
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