linux-ext4 - Re: [GIT PULL] Ext3 latency fixes

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Message-ID: <49DBA7AB.7020409@rtr.ca>
Date:	Tue, 07 Apr 2009 15:21:15 -0400
From:	Mark Lord <lkml@....ca>
To:	Lennart Sorensen <lsorense@...lub.uwaterloo.ca>
Cc:	Ingo Molnar <mingo@...e.hu>, Jens Axboe <jens.axboe@...cle.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Theodore Tso <tytso@....edu>,
	Linux Kernel Developers List <linux-kernel@...r.kernel.org>,
	Ext4 Developers List <linux-ext4@...r.kernel.org>
Subject: Re: [GIT PULL] Ext3 latency fixes

Lennart Sorensen wrote:
> On Tue, Apr 07, 2009 at 09:31:37AM -0400, Mark Lord wrote:
>> I generally don't see any delay at all when doing that,
>> even when the Mythtv system is very busy on multiple recordings.
>> But then, I also don't use the huge LIRC stack for the simple R/C either.
> 
> But it happens with the keyboard too. :)
..

Mmm.. now that could be problem.

I wonder if mythfrontend is simply getting paged out of memory,
until you press a button and then the relevant code has to all
get paged back in again before it can respond (?).

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