Sleeping disorders: Identifying unwanted wake-up sources

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One Line Summary

Making the idle framework and the scheduler to collaborate


Power Management engineers work hard at quiescing a system. But various hardware and software bits keep waking up the system, sometimes with no good reason. The idle framework works independently in an opportunistic way. How to change it to collaborate with the scheduler in order to get better results ? This presentation will detail some of the common culprits and will present an improvement based on a collaboration between the idle framework and the scheduler.


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