Re: Alpha timecounter

[Martin Husemann <martin%duskware.de@localhost>]

On Thu, Nov 02, 2017 at 03:48:35PM +0000, Taylor R Campbell wrote:
> > Date: Thu, 2 Nov 2017 15:29:50 +0000
> > From: Taylor R Campbell <riastradh%NetBSD.org@localhost>
> > 
> > Maybe, if it happened at boot time, the cross-CPU calibration simply
> > had not yet run.  So try the attached patch instead?
> 
> Maybe I should compile-test things first before posting them to
> mailing lists.

I get: 

tsciic0 at tsc0
iic0 at tsciic0: I2C bus
timecounter: Timecounter "clockinterrupt" frequency 1024 Hz quality 0
timecounter: Timecounter "PCC" frequency 499877840 Hz quality 1000
scsibus0 at isp0: 16 targets, 8 luns per target
scsibus1 at isp1: 16 targets, 8 luns per target
scsibus0: waiting 2 seconds for devices to settle...
uhub0 at usb0: vendor 1080 (0x1080) OHCI root hub (0000), class 9/0, rev 1.00/1.00, addr 1
uhub0: 2 ports with 2 removable, self powered
scsibus1: waiting 2 seconds for devices to settle...
PCC: local cc desynchronized
PCC: local cc desynchronized
sd0 at scsibus0 target 0 lun 0: <COMPAQ, BB00911CA0, 3B05> disk fixed
..

and then:

kern.timecounter.choice = PCC(q=-100, f=499882320 Hz) clockinterrupt(q=0, f=1024 Hz) dummy(q=-1000000, f=1000000 Hz)
kern.timecounter.hardware = clockinterrupt
kern.timecounter.timestepwarnings = 0

Martin