Re: HPET cputimer

[Sepherosa Ziehau <sepherosa@xxxxxxxxx>]

On Thu, Apr 30, 2009 at 10:09 AM, Matthew Dillon
<dillon@apollo.backplane.com> wrote:
> :Hi all,
> :
> :HPET cputimer is committed to HEAD.  I suggest to try it out on your
> :boxes running HEAD, if 'acpidump -d | grep HPET' shows that you have
> :HPET device.
> :
> :To testing it, you need to put:
> :debug.acpi.enabled="hpet"
> :into you /boot/loader.conf.
> :...
> :
> :Best Regards,
> :sephe
>
>    Works here!  One of my Intel boxes detected it:

Good!  Thank you for testing!

>
>        kern.cputimer.freq: 25000000

Ha, you have a 25M one, mine is just above 14M.  If its one shot timer
programming model was not that sucking, it would also be a very good
replacement for the current 8245 one shot timer.

Best Regards,
sephe

>        kern.cputimer.clock: 3192798026
>        kern.cputimer.name: HPET
>        kern.cputimer.select: HPET ACPI-fast24 i8254_timer2 dummy


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