clock WAY off

JR Dalrymple jr at jrssite.com
Fri Jul 8 16:44:25 GMT 2005



>On Thu, Jul 07, 2005 at 03:56:14PM -0800, JR Dalrymple wrote:
>  
>
>>The clock seems to be running at about 1/4 speed (SMP related maybe?). 
>>    
>>
>
>  
>
<Off list reply>

>If you also post the output of "sysctl kern.timecounter" and "vmstat
>-i" to the list, it may help diagnose the problem.
>
>	
>  
>
genie# sysctl kern.timecounter
kern.timecounter.stepwarnings: 0
kern.timecounter.nbinuptime: 357873388
kern.timecounter.nnanouptime: 0
kern.timecounter.nmicrouptime: 8296
kern.timecounter.nbintime: 153797574
kern.timecounter.nnanotime: 171942
kern.timecounter.nmicrotime: 153621939
kern.timecounter.ngetbinuptime: 656730
kern.timecounter.ngetnanouptime: 40589
kern.timecounter.ngetmicrouptime: 161872387
kern.timecounter.ngetbintime: 0
kern.timecounter.ngetnanotime: 0
kern.timecounter.ngetmicrotime: 26596618
kern.timecounter.nsetclock: 623
kern.timecounter.hardware: i8254
kern.timecounter.choice: TSC(-100) i8254(0) dummy(-1000000)
kern.timecounter.tick: 1
kern.timecounter.smp_tsc: 0
genie# vmstat -i
interrupt                          total       rate
irq1: atkbd0                         232          0
irq6: fdc0                            10          0
irq10: fxp0 ahc1                 5247043         73
irq11: amr0 ahc0                 3305544         46
irq13: npx0                            1          0
lapic0: timer                  532488625       7412
lapic4: timer                  532404584       7411
lapic1: timer                  532404584       7411
lapic2: timer                  532404584       7411
Total                         2138255207      29766



I can kind of make sense of what this is trying to help me, but it's 
above my head as far as how to tune it.

Thanks again for any help

JR


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