From: Mike Galbraith <efault@gmx.de>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: swan.r.l@gmail.com, linux-kernel@vger.kernel.org
Subject: Re: [bisected] pty performance problem
Date: Sun, 22 Nov 2009 13:41:59 +0100 [thread overview]
Message-ID: <1258893719.14325.58.camel@marge.simson.net> (raw)
In-Reply-To: <20091122122942.644006fb@lxorguk.ukuu.org.uk>
On Sun, 2009-11-22 at 12:29 +0000, Alan Cox wrote:
> > While I could rewrite the communications to optionally use pipes, or
> > get the client to reprocess a log file locally, what I have does seem
> > a reasonable use of ptys.
>
> Wouldn't argue with that. The tty layer queues the characters which then
> get processed but at the moment get processed after the next timer tick
> not when the CPU is idle. That wants changing and it strikes me as utterly
> dumb in general to be deferring work when the CPU is idle.
*blink*, up to 10 ms thumb twiddling session?
I wouldn't mind having a copy of the stripped down test proggy.
-Mike
next prev parent reply other threads:[~2009-11-22 12:41 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-21 22:23 Robert Swan
2009-11-21 23:23 ` Alan Cox
2009-11-22 0:27 ` Robert Swan
2009-11-22 12:29 ` Alan Cox
2009-11-22 12:41 ` Mike Galbraith [this message]
2009-11-22 21:37 ` Robert Swan
2009-11-22 6:39 ` Ingo Molnar
2009-11-22 7:15 ` Arjan van de Ven
2009-11-22 21:56 ` Robert Swan
2009-11-22 12:23 ` Alan Cox
2009-11-22 12:42 ` Ingo Molnar
2009-11-23 5:00 ` Mike Galbraith
2009-11-23 10:28 ` Alan Cox
2009-11-23 11:31 ` Alan Cox
2009-11-23 11:48 ` Ingo Molnar
2009-11-23 11:59 ` Alan Cox
2009-11-23 12:04 ` Ingo Molnar
2009-11-23 13:34 ` Alan Cox
2009-11-23 17:48 ` Ingo Molnar
2011-07-09 6:29 ` Robert Swan
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