__hrtimer_run_queues

Name:__hrtimer_run_queues

Proto:static void __hrtimer_run_queues(struct hrtimer_cpu_base *cpu_base, ktime_t now, unsigned long flags, unsigned int active_mask)

Type:void

Parameter:

Type	Parameter	Name
struct hrtimer_cpu_base *	cpu_base
ktime_t	now
unsigned long	flags
unsigned int	active_mask

1551

active = active_bases & active_mask

1557

basenow = Add two ktime_t variables. res = lhs + rhs: (now, offset)

1559

When node = merqueue_getnext - Returns the timer with the earliest expiration time*@head: head of timerqueue* Returns a pointer to the timer node that has the earliest expiration time. cycle

1562

timer = container_of - cast a member of a structure out to the containing structure*@ptr: the pointer to the member.*@type: the type of the container struct this is embedded in.*@member: the name of the member within the struct.(node, structhrtimer, node)

1576

If basenow < hrtimer_get_softexpires_tv64(timer) Then Break

1579

The write_seqcount_barrier()s in __run_hrtimer() split the thing into 3* distinct sections:* - queued: the timer is queued* - callback: the timer is being ran* - post: the timer is inactive or (re)queued* On the read side we ensure we observe timer->state

1580

If active_mask == HRTIMER_ACTIVE_SOFT Then hrtimer_sync_wait_running(cpu_base, flags)

**Caller**
Name	Describe
hrtimer_run_softirq
hrtimer_run_queues	Called from run_local_timers in hardirq context every jiffy

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