Re: [PATCH] Make dyntick work again

[Tony Lindgren <tony@atomide.com>]

* Woodruff, Richard <r-woodruff2@ti.com> [071012 13:16]:
> Hi,
> 
> > Time to try powertop on omap!
> 
> Here is powertop running on 3430 using dynamic tick :)  It would be nice to format the C state information such that it reports residency.  Sometime in the future.  It is directly useable for seeing timers.  Not so many timers running on a full up NFS mounted system.  It used to run fine on OMAP2 from GIT once clocksource came.
> 
> --------------------
> < Detailed C-state information is only available on Mobile CPUs (laptops) >
> 
> Wakeups-from-idle per second : 13.1     interval: 10.0s
> 
> 
> Top causes for wakeups:
>   38.9% (  4.2)       <interrupt> : 32KHz timer
>   29.6% (  3.2)       <interrupt> : eth0
>    9.3% (  1.0)     <kernel core> : __netdev_watchdog_up (dev_watchdog)
>    4.6% (  0.5)     <kernel core> : queue_delayed_work_on (delayed_work_timer_fn
>    2.8% (  0.3)     <kernel core> : irlmp_start_discovery_timer (irlmp_discovery
> _timer_expired)
> 
> root@128.247.75.244:/tst# uname -a
> Linux 128.247.75.244 2.6.22.1-omap1 #3 Fri Oct 12 14:53:45 CDT 2007 armv7l GNU/L
> inux
> root@128.247.75.244:/tst# cat /proc/cpuinfo | grep OMAP
> Hardware        : OMAP3430 sdp3430 board
> root@128.247.75.244:/tst#
> --------------------

Great! Time to push that patch then. I also run a quick timer tests with
select and sleep, and they're working just fine.

Tony