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SubjectRe: Ktimer / -rt9 (+custom) monotonic_clock going backwards.

On Wed, 19 Oct 2005, Frank Sorenson wrote:

> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> Steven Rostedt wrote:
> > 358.069795728 secs then later 355.981483177. Should this ever happen?
>
> Pretty sure that "NO" is the correct answer :)

By definition, I figured as much :-)

>
> > FYI, the system is UP. And I compiled without CONFIG_KTIME_SCALAR.
>
> What sort of CPU? Does it have frequency scaling?
>

Well, it's a normal desktop PC (not a laptop) but here's cpuinfo:

snoopy:~/rt_linux# cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 15
model : 2
model name : Intel(R) Pentium(R) 4 CPU 2.00GHz
stepping : 7
cpu MHz : 1994.256
cache size : 512 KB
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 2
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca
cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe cid
bogomips : 3990.73


-- Steve

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