Force HPET patch for 2.6.22 kernel?

[Peter Ganzhorn]

Probably you want to apply the -hrt patchset to your kernels sources - 
it includes lots of timer related tweaks such as the force-hpet-patches 
for ICH chipsets.
You can get it from http://www.tglx.de/projects/hrtimers/ .

Peter


Kyle Cunningham wrote:
> Hi All,
> Is there a patch that applies cleanly to 2.6.22.x kernels to
> force HPET on.  I have an Intel ICH6 chipset and as far as
> I know it should have this functionality but it isn't being
> enabled by default.
>
> In addition I have a strange problem with an ethernet interrupt
> which is being triggered even though it isn't connected to any
> network.  The ouput from powertop is below.
>
>
> 35.9% ( 66.0)       <interrupt> : extra timer interrupt
> 23.2% ( 42.7)       <interrupt> : eth0, i915 at pci:0000:00:02.0
> 11.3% ( 20.7)       <interrupt> : libata
> 5.4% ( 10.0)       <interrupt> : Intel ICH6, ipw2200
> 5.3% (  9.7)   hald-addon-cpuf : cpufreq_governor_dbs 
> (delayed_work_timer_fn)
> 4.0% (  7.3)       <interrupt> : acpi
> 3.4% (  6.3)            kicker : schedule_timeout (process_timeout)
> 2.0% (  3.7)              Xorg : do_setitimer (it_real_fn)
> 1.1% (  2.0)   thunderbird-bin : futex_wait (hrtimer_wakeup)
> 0.7% (  1.3)              Xorg : schedule_timeout (process_timeout)
> 0.7% (  1.3)    wpa_supplicant : schedule_timeout (process_timeout)
> 0.5% (  1.0)          kdesktop : schedule_timeout (process_timeout)
> 0.5% (  1.0)            dhcdbd : schedule_timeout (process_timeout)
> 0.5% (  1.0)          kwrapper : do_nanosleep (hrtimer_wakeup)
> 0.5% (  1.0)     <kernel core> : neigh_table_init_no_netlink 
> (neigh_periodic_timer)
> 0.5% (  1.0)          ifconfig : tg3_open (tg3_timer)
>
> If anyone has any ideas about these I would really appreciate the help.
>
> Cheers,
> Kyle
>
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