On Thursday 14 November 2013 01:35 PM, Vincent Guittot wrote:
AFAICT, It's a none issue. In full nohz, a timer fires periodically (around 4sec period on ARM IIRC) on one cpu (cpu0).
Timer should always be running on CPU0, its out of nohz-full domain. Its cpu 1, where it will fire after long delays..
https://wiki.linaro.org/WorkingGroups/PowerManagement/Doc/AdaptiveTickless