From: Pavel Machek <pavel@ucw.cz>
To: Zwane Mwaikambo <zwane@linuxpower.ca>
Cc: Alexey Mahotkin <alexm@w-m.ru>,
Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: flooded by "CPU#0: Running in modulated clock mode"
Date: Sun, 25 Apr 2004 22:43:46 +0200 [thread overview]
Message-ID: <20040425204346.GF24375@elf.ucw.cz> (raw)
In-Reply-To: <Pine.LNX.4.58.0404250309080.3414@montezuma.fsmlabs.com>
Hi!
> > > If i recall correctly it's hardware set, i'm not sure if BIOSes can modify
> > > that these days. One thing you may want to note is that in the modulated
> > > state the processor doesn't process interrupts and runs at a 50% clock
> >
> > No interrupts? That would mean almost dead machine.
> > Are you sure?
>
> Yep, it's normally 50% modulation for 1ms or until the temperature drops
> below threshold, whichever comes first with interrupts remaining pending.
Ok, but that means (assuming machine is above treshold all the time)
that interrupts are only delayed by milisecond, and that machine does
no usefull work 50% of time, right?
Pavel
--
When do you have a heart between your knees?
[Johanka's followup: and *two* hearts?]
next prev parent reply other threads:[~2004-04-25 20:44 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <8765btmd9n.fsf@dim.w-m.ru>
[not found] ` <Pine.LNX.4.58.0404211355220.2250@montezuma.fsmlabs.com>
[not found] ` <87y8opkxyo.fsf@dim.w-m.ru>
2004-04-21 18:17 ` Zwane Mwaikambo
2004-04-24 11:07 ` Pavel Machek
2004-04-25 7:10 ` Zwane Mwaikambo
2004-04-25 20:43 ` Pavel Machek [this message]
2004-04-25 22:11 ` Zwane Mwaikambo
2004-04-21 17:25 Alexey Mahotkin
2004-04-21 18:03 ` Zwane Mwaikambo
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