>
>
> >Also useful would be a message when the speed is
> reduced. I get messages like:
> >
> >cpudrv: [ID 495817 kern.info] NOTICE:
> cpudrv_pm_set_topspeed: instance 1: has new max power
> of 200
> 0 MHz
> >
> >but dont see any if the speed is reduce - I've no
> idea if it does reduce.
>
>
> If you get many of those message, I would classify
> that as a bug
>
> (in fact, any message that the CPU power frequency
> has changed is a bug,
> IMHO, as it might cause your disks to spin up when
> the log message hits
> the disk)
>
> kstat shows you the current frequencies.
>
> Casper
>
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> [email protected]
I've just checked /var/adm/messages on my laptop and see it has been booted 38
times. The cpudrv_pm_set_topspeed message has appeared 180 times - 90 with
instance of 0 and 90 with an instance of 1.
bash-3.00$ grep 'NOTICE: cpudrv_pm_set_topspeed: instance 1: has new max power
of 2000 MHz' /var/adm/messages | wc -l
90
bash-3.00$ grep 'NOTICE: cpudrv_pm_set_topspeed: instance 0: has new max power
of 2000 MHz' /var/adm/messages | wc -l
90
bash-3.00$ grep 'SunOS Release 5.11 Version snv_70b 64-bit' /var/adm/messages
| wc -l
38
BTW, It seems that whoever wrote this bit of code needs to learn about SI
units, since I thought power was measured in Watts, not MHz. I thought MHz was
a unit of frequency and not power.
It reminds me once when I worked in IT for about 6 months. My manager wanted me
to tell him the power consumption of some kit, as we were getting quotes for
air conditioning. So I added it up and emailed him the result in Watts. I then
got a message back that he did not want it in Watts, but did not specify a
unit. So I converted to kilo Joules per fortnight and email it to him in that.
I then got the reply that "Watts would do".
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