From mboxrd@z Thu Jan  1 00:00:00 1970
From: Krzysztof Halasa <khc@pm.waw.pl>
Subject: Re: [RFC] Should we create a raw input interface for IR's ?
Date: Thu, 26 Nov 2009 19:40:01 +0100
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In-Reply-To: <20091126055302.GI23244@core.coreip.homeip.net> (Dmitry
	Torokhov's message of "Wed, 25 Nov 2009 21:53:02 -0800")
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To: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Jarod Wilson <jarod@wilsonet.com>, Devin Heitmueller <dheitmueller@kernellabs.com>, Christoph Bartelmus <lirc@bartelmus.de>, awalls@radix.net, j@jannau.net, jarod@redhat.com, linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@redhat.com, superm1@ubuntu.com
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Dmitry Torokhov <dmitry.torokhov@gmail.com> writes:

> Why would sysfs write be slower than ioctl?

Sysfs is generally one-value, one-file. open, read/write, close.
ioctl() OTOH does everything (e.g. a whole key table) in one syscall.
-- 
Krzysztof Halasa