On Thu, Oct 11, 2012 at 01:09:46PM +0530, vaibhav shinde wrote:
> Hi Russel,
> On Fri, Oct 5, 2012 at 2:01 PM, Russell King - ARM Linux
> > On Wed, Oct 03, 2012 at 05:18:56PM +0530, trisha yad wrote:
> > > I wish to know how can I support this function in 3.0 ?
> > If your description is correct, then all you need to do is to ensure
> > that you route interrupts to other CPUs.
> > You can do that by running the userspace irqbalance daemon.
> I also tried with the irqbalance daemon, on ARM quad core architecture,
> and as per my understanding, the daemon sets the
> file according to the irq frequency on a particular processor.
> However, the daemon doesn't work as expected, I also tried
> accessing the
> proc file mentioned above to set the cpu mask for particular irq, but this
> just block the processing of the irq, as I see the count of that irq
> doesnt increase
> in /proc/interrupts.
> My conclusion is that the irqbalancing is not supported on
> ARM arch or there is
> something more required for this to work. Kindly provide some
> pointers over this.
Sounds like something has been broken, no idea what. It needs investigation.