I still don't know how that option works. If they're virtual cpus, do
they map to real cpus? Is this option what's required for UML instances
to use both CPUs? All I know is the switch is there, I've no idea how it
works, and I'd be interested to know.
-Ian
Alexander Charbonnet wrote:
I suppose my information is way out of date, then. Sorry!
On Thursday 03 November 2005 02:59 pm, Ian Smith-Heisters wrote:
There is
ncpus=<# of desired CPUs>
This tells an SMP kernel how many virtual processors to start.
in vmlinux --help
Alexander Charbonnet wrote:
Actually, I use UML on one server in my firm. I want to migrate my server
on a new machine which have 2 processors. Is UML can use all processors ?
My kernel version is 2.6.12.2 with skas mode on host.
My understanding is that each UML instance will see only one processor.
You can run twice as many UMLs on a machine (at least as far as CPU
time), but each machine only gets one CPU.
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