Re: cpuset affinity control from within the kernel

From: Barney Cordoba <barney_cordoba_at_yahoo.com>
Date: Mon, 30 Mar 2009 09:34:33 -0700 (PDT)
--- On Mon, 3/30/09, John Baldwin <jhb_at_FreeBSD.org> wrote:

> From: John Baldwin <jhb_at_FreeBSD.org>
> Subject: Re: cpuset affinity control from within the kernel
> To: freebsd-current_at_FreeBSD.org, barney_cordoba_at_yahoo.com
> Date: Monday, March 30, 2009, 11:00 AM
> On Sunday 29 March 2009 3:59:40 pm Barney Cordoba wrote:
> > 
> > What tools are available for taskqueues, interrupts,
> etc from within the 
> kernel?
> 
> You can use BUS_BIND_INTR() for interrupts.  You can use
> 'sched_bind() / 
> sched_unbind()' in thread contexts.  For example, to
> pin taskqueue threads 
> (you should only do this for a private taskqueue you create
> though) you can 
> simply enqueue a task to the thread that does a
> 'sched_bind()'.
> 
> -- 
> John Baldwin

There doesn't seem to be a man page for those functions. Are there some
docs somewhere? Can I bind to a set of cores as can be done with cpuset?

Barney
Received on Mon Mar 30 2009 - 14:34:34 UTC

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