Re: SMP CPU affinity questions

[Arjan van de Ven]

On Wed, 2005-11-02 at 09:39 -0700, Jeffrey V. Merkey wrote:
> listmonkey@xxxxxxxxxxxxxxxxxx wrote:
> 
> >Hi-
> >
> >I am trying to use a quad Opteron motherboard with SMP Kernel 2.6.5 for a quasi-real-time task.
> >I need to assign all processes to specific CPUs, including interrupt handlers.
> >I have had success using sched_setaffinity() to set the CPU for processes I create, but I am unable,
> >as root, to force system processes to move to another CPU.  Any ideas?
> >
> >I can find no documentation about how to force an interrupt handler to a specific CPU - is this
> >possible without modifying the kernel?
> >
> >  
> >
> 
> 
> IOApic's support binding of interrupt delivery in intel based platforms, 
> but I am unaware of tools which force this
> setting by default on Linux, but someone else may be able to point you 
> in that direction.  

http://people.redhat.com/arjanv/irqbalance


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/