cpuset affinity control from within the kernel
Barney Cordoba
barney_cordoba at yahoo.com
Mon Mar 30 09:34:34 PDT 2009
--- 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
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