From: Indrek Kruusa <indrek.kruusa@tuleriit.ee>
To: linux-kernel@vger.kernel.org
Subject: Re: Very high load on P4 machines with 2.4.28
Date: Wed, 05 Jan 2005 13:09:25 +0200 [thread overview]
Message-ID: <41DBCAE5.9010408@tuleriit.ee> (raw)
> On Maw, 2005-01-04 at 22:41, Nicholas Berry wrote:
> >/ Indeed. AIX (sorry) 5.3 on POWER5 explicitly disables SMT (IBM/
>>/ hyperthreading) if the load doesn't warrant it./
>>/ /
> >/ (Now how about that for Linux?) :)/
> It would be very nice to do but AFAIK no current processor with
> hypedthreading lets you do dynamic disabling.
Maybe I am victim of marketing (or poor memory) but wasn't it so that
x86 instruction HLT was possible to use for single logical processor?
Indrek
next reply other threads:[~2005-01-05 11:09 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-05 11:09 Indrek Kruusa [this message]
2005-01-05 14:03 ` Very high load on P4 machines with 2.4.28 Alan Cox
-- strict thread matches above, loose matches on Subject: below --
2005-01-04 22:41 Nicholas Berry
2005-01-04 23:05 ` Jesper Juhl
2005-01-05 0:02 ` Alan Cox
2005-01-05 1:21 ` Con Kolivas
2005-01-05 7:12 ` Anton Blanchard
2005-01-04 19:58 Marek Habersack
2005-01-04 19:56 Marek Habersack
2005-01-04 22:03 ` Willy Tarreau
2005-01-04 23:07 ` Marek Habersack
2005-01-05 5:28 ` Willy Tarreau
2005-01-05 11:32 ` Marek Habersack
2005-01-04 22:05 ` Willy Tarreau
2005-01-04 23:09 ` Marek Habersack
2005-01-05 9:42 ` Marcelo Tosatti
2005-01-05 17:49 ` Marek Habersack
2005-01-06 18:56 ` Denis Vlasenko
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