From: mru@kth.se (Måns Rullgård)
To: linux-kernel@vger.kernel.org
Subject: Re: Increasing HZ (patch for HZ > 1000)
Date: Sat, 13 Dec 2003 00:18:48 +0100 [thread overview]
Message-ID: <yw1xllphy693.fsf@kth.se> (raw)
In-Reply-To: 1071269849.4182.14.camel@idefix.homelinux.org
Jean-Marc Valin <Jean-Marc.Valin@USherbrooke.ca> writes:
> more sensitive at 1 kHz). Also, I have around 10% overhead on my
> Pentium-M 1.6 GHz, so I guess it's not for everyone. Extrapolating from
> there, I'd also say that at 100 kHz, it wouldn't do anything but handle
> the interrupts, which is slightly annoying when you want to actually get
> some work done :)
I once forgot to acknowledge an interrupt in the handler for a PCI
board. It ended up being called ~300k times per second. The system
load was noticeable.
--
Måns Rullgård
mru@kth.se
next prev parent reply other threads:[~2003-12-12 23:18 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-12-11 6:05 Increasing HZ (patch for HZ > 1000) Jean-Marc Valin
2003-12-11 7:07 ` Martin J. Bligh
2003-12-11 7:15 ` Jean-Marc Valin
2003-12-11 7:18 ` Martin J. Bligh
2003-12-11 17:18 ` Gene Heskett
2003-12-11 17:33 ` Martin J. Bligh
2003-12-11 18:10 ` Richard B. Johnson
2003-12-11 19:14 ` Gene Heskett
2003-12-11 18:35 ` Gene Heskett
2003-12-12 22:08 ` Pavel Machek
2003-12-12 22:57 ` Jean-Marc Valin
2003-12-12 23:18 ` Måns Rullgård [this message]
2003-12-12 23:40 ` Pavel Machek
2003-12-13 2:25 ` Måns Rullgård
2003-12-16 3:04 ` john stultz
2003-12-16 5:20 ` Mitchell Blank Jr
2003-12-14 1:05 ` bill davidsen
2003-12-14 4:48 ` Pat Erley
2003-12-11 7:30 ` Nick Piggin
2003-12-11 8:25 ` Tim Schmielau
2003-12-12 8:00 ` Jean-Marc Valin
2003-12-12 22:10 ` Pavel Machek
2003-12-12 22:50 ` Jean-Marc Valin
2004-01-03 18:16 ` Bill Davidsen
[not found] ` <010f01c415a4_27033d00_d100000a@sbs2003.local>
2004-04-06 13:00 ` Pavel Machek
-- strict thread matches above, loose matches on Subject: below --
2003-12-11 19:22 Grover, Andrew
2003-12-12 22:31 ` Jamie Lokier
2003-12-12 22:58 ` Vojtech Pavlik
2003-12-12 23:45 ` Jamie Lokier
2003-12-13 8:36 ` Vojtech Pavlik
2003-12-12 15:52 Vincent Legoll
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