Lots of calcru: runtime went backwards, never saw it before

[Andrey Chernov]

On Tue, Feb 21, 2006 at 01:24:35AM +0200, Giorgos Keramidas wrote:
> On 2006-02-21 02:15, Andrey Chernov <ache at freebsd.org> wrote:
> > What I got with recent -current (below). What does it mean, what I
> > supposed to do and why I never saw it before?
> >
> > Feb 21 01:14:19 pobrecita kernel: calcru: runtime went backwards from
> > 42153 usec to 42152 usec for pid 613 (sshd)
> > Feb 21 01:14:19 pobrecita kernel: u 2:28102/28101 s 1:14051/14050 i 0:0/1
...

> Can you test with the following /etc/defaults/rc.conf vars set to "HIGH"?
> 
> keramida at flame:/home/keramida$ grep _cx /etc/defaults/rc.conf /etc/rc.conf
> /etc/defaults/rc.conf:performance_cx_lowest="LOW"      # Online CPU idle state
> /etc/defaults/rc.conf:economy_cx_lowest="LOW"          # Offline CPU idle state

This is definitely not my case. It is desktop server without any power 
saving, moreover, I have only one CPU state, i.e. LOW == HIGH == C1

hw.acpi.cpu.cx_supported: C1/0
hw.acpi.cpu.cx_lowest: C1
hw.acpi.cpu.cx_usage: 100.00%

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