Re: Very high load on P4 machines with 2.4.28

[Indrek Kruusa]

> 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

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