scheduler_tick

Name:This function gets called by the timer code, with HZ frequency.* We call it with interrupts disabled.

Proto:void scheduler_tick(void)

Type:void

Parameter:Nothing

3593

cpu = smp_processor_id()

3594

rq = cpu_rq(cpu)

3595

3598

sched_clock_tick()

3600

rq_lock(rq, & rf)

3602

update_rq_clock(rq)

3603

task_tick(rq, curr, 0)

3604

calc_global_load_tick(rq)

3605

psi_task_tick(rq)

3607

rq_unlock(rq, & rf)

3609

perf_event_task_tick()

**Caller**
Name	Describe
update_process_times	Called from the timer interrupt handler to charge one tick to the current* process. user_tick is 1 if the tick is user time, 0 for system.

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