Re: halting processor in SMT(Hyperthreading) system

[Richard B. Johnson]

On Mon, 9 Feb 2004 moseleyt@xxxxxxxxxxxx wrote:

> Hello,
>
> I am doing research involving optimal scheduling for Hyperthreading systems.  I
> was curious if there was an easy way to arbitrarily halt/wake up a processor
> other than the one being run on from schedule().
>
> Thanks
>
> Tipp

The processor that executes a hlt instruction is the one
that will be halted. It takes an interrupt to get out of
that state.


Cheers,
Dick Johnson
Penguin : Linux version 2.4.24 on an i686 machine (797.90 BogoMips).
            Note 96.31% of all statistics are fiction.


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