From: Willy Tarreau <willy@w.ods.org>
To: Marco Correia <mvc@netcabo.pt>
Cc: linux-kernel@vger.kernel.org
Subject: Re: why is rdtsc reporting wrong cpu cycles?
Date: Sat, 3 Jan 2004 17:55:12 +0100 [thread overview]
Message-ID: <20040103165512.GB3728@alpha.home.local> (raw)
In-Reply-To: <200401031548.40025.mvc@netcabo.pt>
Hi Marco,
On Sat, Jan 03, 2004 at 03:48:39PM +0000, Marco Correia wrote:
> The problem is that the value I get dividing by my processor frequency (my
> computer is a 650Mhz toshiba satellite pro 4340) is giving me about 1 hour
> and I'm using the computer for about 4 fours.
>
> Am I forgetting something obvious? I already googled around but I came to the
> conclusion that only new P4 M processors are able to change speed.
Perhaps it supports throttling. My mobile athlon supports this : 10000 times
a second, it is stopped for a certain amount of time, then resumed. Depending
on the throttling factor, I can even here it !
Cheers,
Willy
prev parent reply other threads:[~2004-01-03 16:55 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-01-03 15:48 Marco Correia
2004-01-03 16:55 ` Willy Tarreau [this message]
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