Re: Unknown HZ value! (2000) Assume 1024.

[Ingo Oeser <ingo.oeser@informatik.tu-chemnitz.de>]

On Wed, May 02, 2001 at 02:42:58AM -0400, Albert D. Cahalan wrote:
> > In .../fs/proc/proc_misc.c:kstat_read_proc(), the cpu line is being
> > computed by:
> > 
> >         len = sprintf(page, "cpu  %u %u %u %lu\n", user, nice, system,
> >                       jif * smp_num_cpus - (user + nice + system));
> 
> This is pretty bogus. The idle time can run _backwards_ on an SMP
> system. What is "top" supposed to do with that, print a negative
> number for %idle time? (some versions do, while others truncate
> at zero or wrap around to 4 billion -- pick your poison)

Just a "me too". I've seen this with one or two days uptime
already. An idle of more than 40.000%. May be this means, that
the machine was _very_ bored and needs my attention ;-)

cat /proc/cpuinfo

processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 8
model name	: Pentium III (Coppermine)
stepping	: 6
cpu MHz		: 851.987
cache size	: 256 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 mmx fxsr sse
bogomips	: 1697.38

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 8
model name	: Pentium III (Coppermine)
stepping	: 6
cpu MHz		: 851.987
cache size	: 256 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 mmx fxsr sse
bogomips	: 1697.38

Just FYI.

Regards

Ingo Oeser
-- 
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