Peter Memishian wrote:
> > # list the number of "configured" CPUs
> > # (this is the maximum number available to the current OS
> > # instance, but note that this may change after a reboot)
> > $ ksh93 -c 'getconf NPROCESSORS_CONF'
>
> That's not the maximum, that's the current number configured (aka ncpus in
> the kernel). That is, it can change in response to DR events --
> e.g. cpu_configure() -> mp_cpu_configure() -> cpu_add_unit().
Ok... I learned something new... :-)
... and welcome to CR #6869888 ('AST/ksh93's "getconf" does not
recognize "NPROCESSORS_MAX"') ... ;-/
> _SC_NPROCESSORS_MAX is the maximum (aka max_ncpus in the kernel).
Ok... but isn't this just the theoretical limit supported by the kernel
? Or is this value calculated from the physically available CPUs ?
----
Bye,
Roland
--
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