From: Richard Zidlicky <Richard.Zidlicky@stud.informatik.uni-erlangen.de>
To: george anzinger <george@mvista.com>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] Replace timer_bh with tasklet
Date: Wed, 19 Jun 2002 00:46:52 +0200 [thread overview]
Message-ID: <20020619004652.D2079@linux-m68k.org> (raw)
In-Reply-To: <3D0F76E4.AC6EA257@mvista.com>; from george@mvista.com on Tue, Jun 18, 2002 at 11:07:32AM -0700
On Tue, Jun 18, 2002 at 11:07:32AM -0700, george anzinger wrote:
>
> I reasoned that the timers, unlike most other I/O, directly drive the system.
> For example, the time slice is counted down by the timer BH. By pushing the
> timer out to ksoftirqd, running at nice 19, you open the door to a compute
> bound task running over its time slice (admittedly this should be caught on
> the next interrupt).
I have had some problems with timers delayed up to 0.06s in 2.4 kernels,
could that be this problem?
Richard
next prev parent reply other threads:[~2002-06-18 23:07 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-06-18 3:45 [PATCH] Replace timer_bh with tasklet george anzinger
2002-06-18 4:06 ` Linus Torvalds
2002-06-18 18:07 ` george anzinger
2002-06-18 22:46 ` Richard Zidlicky [this message]
2002-06-18 23:17 ` george anzinger
2002-06-19 11:43 ` Richard Zidlicky
2002-06-18 4:15 ` David S. Miller
2002-06-18 17:01 ` george anzinger
2002-06-18 17:12 ` Matthew Wilcox
2002-06-18 18:14 ` george anzinger
2002-06-18 5:16 ` kuznet
2002-06-18 18:19 ` george anzinger
2002-06-18 18:29 ` kuznet
2002-06-20 0:39 ` george anzinger
2002-06-20 1:34 ` David S. Miller
2002-06-20 1:53 ` Robert Love
2002-06-20 1:55 ` David S. Miller
2002-06-20 2:05 ` Robert Love
2002-06-20 2:01 ` David S. Miller
2002-06-20 2:15 ` Robert Love
2002-06-20 2:23 ` David S. Miller
2002-06-20 23:54 ` george anzinger
2002-06-21 1:03 ` David S. Miller
2002-06-21 14:04 ` george anzinger
2002-06-21 14:08 ` David S. Miller
2002-06-20 8:11 ` Russell King
2002-06-20 8:09 ` David S. Miller
2002-06-20 8:16 ` Russell King
2002-06-20 8:13 ` Russell King
2002-06-20 14:33 ` kuznet
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