Messages in this thread |  | | Date | Tue, 11 Feb 2014 14:22:43 +0530 | Subject | Re: [QUERY]: Is using CPU hotplug right for isolating CPUs? | From | Viresh Kumar <> |
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On 28 January 2014 18:53, Frederic Weisbecker <fweisbec@gmail.com> 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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