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Concurrency and Scheduling (part 1)

Concurrency and Scheduling (part 1). CPS210 Spring 2006. Papers. Scheduler Activations Tom Anderson Lottery Scheduling Carl Waldspurger. User mode. Kernel mode. Kernel threads. Thread. Thread. Thread. Thread. PC SP. PC SP. PC SP. PC SP. …. …. …. …. Scheduler. User mode.

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Concurrency and Scheduling (part 1)

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  1. Concurrency and Scheduling (part 1) CPS210 Spring 2006

  2. Papers • Scheduler Activations • Tom Anderson • Lottery Scheduling • Carl Waldspurger

  3. User mode Kernel mode Kernel threads Thread Thread Thread Thread PC SP PC SP PC SP PC SP … … … … Scheduler

  4. User mode Kernel mode User threads Thread Thread Thread Thread PC SP PC SP PC SP PC SP … … … … Sched Scheduler

  5. Example currency graph

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