Re: [QUERY]: Is using CPU hotplug right for isolating CPUs?

[Viresh Kumar]

On 28 January 2014 18:53, Frederic Weisbecker <fweisbec@xxxxxxxxx> wrote:
> No, when a single task is running on a full dynticks CPU, the tick is supposed to run
> every seconds. I'm actually suprised it doesn't happen in your traces, did you tweak
> something specific?

Why do we need this 1 second tick currently? And what will happen if I
hotunplug that
CPU and get it back? Would the timer for tick move away from CPU in
question? I see
that when I have changed this 1sec stuff to 300 seconds. But what
would be impact
of that? Will things still work normally?
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