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Type of Scheduler in libult.so

Question Text​

Inspect the code in support/libult/threads.c further. Which type of scheduler does libult.so use?

Question Answers​

  • It uses a preemptive scheduler

  • It uses a cooperative scheduler

  • It uses both a cooperative and a preemptive scheduler

Feedback​

libult.so uses a preemptive scheduler. Its timer is initialised in the init_profiling_timer() function. The context switch is performed in the handle_sigprof() function.