profiling the resume path

[David Woodhouse]

On Mon, 2007-09-03 at 09:27 +0100, David Woodhouse wrote:
> On Mon, 2007-09-03 at 04:05 -0400, Marcelo Tosatti wrote:
> > > This interrupt scheduled for 233-40ms is what sounds wrong. It should
> > > just continue to blaze off the EHCI resume path.
> > 
> > ... after 20ms have passed, not almost 200. 
> 
> Ah, right. Sorry, I missed the order of magnitude discrepancy. Are we
> just miscalculating the setting of the wakeup interrupt? More debugging
> of that calculation might be in order...

Can you comment out the 'if(tbase_get_deferrable(nte->base)) continue;'
in __next_timer_interrupt() at about line 678 of kernel/timer.c ?

-- 
dwmw2