Messages in this thread | | | Date | Mon, 8 Aug 2011 17:41:39 +0800 | Subject | Re: Is there a way to offload everything from cpu0 to other cpus? | From | Américo Wang <> |
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On Fri, Aug 5, 2011 at 8:48 PM, Andy Lutomirski <luto@mit.edu> wrote: > On 08/04/2011 10:53 PM, Yung, Winson W wrote: >> >> Hi, I would like to know whether it is possible to offload everything >> (kernel threads/user apps) to cpu1...x so that I can force cpu0 go into >> idle? >> >> I can affinity all the interrupt to a different cpu by playing with the >> /proc/irq/irqx/smp_affinity, how about everything else? >> > > You probably want the isolcpus boot option. >
I think Yung was looking for an interface to move tasks dynamically after the system is boot.
Yung, why /sys/devices/system/cpu/cpuX/online doesn't work for you?
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