Function report |
Source Code:kernel\time\hrtimer.c |
Create Date:2022-07-28 10:40:45 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Name:hrtimer_forward - forward the timer expiry*@timer: hrtimer to forward*@now: forward past this time*@interval: the interval to forward* Forward the timer expiry so it will expire in the future.* Returns the number of overruns.
Proto:u64 hrtimer_forward(struct hrtimer *timer, ktime_t now, ktime_t interval)
Type:u64
Parameter:
Type | Parameter | Name |
---|---|---|
struct hrtimer * | timer | |
ktime_t | now | |
ktime_t | interval |
920 | orun = 1 |
925 | If delta < 0 Then Return 0 |
928 | If WARN_ON(state & HRTIMER_STATE_ENQUEUED) Then Return 0 |
931 | If interval < hrtimer_resolution Then interval = hrtimer_resolution |
934 | If Value for the false possibility is greater at compile time(delta >= interval) Then |
937 | orun = ktime_divns(delta, incr) |
938 | hrtimer_add_expires_ns(timer, incr * orun) |
939 | If hrtimer_get_expires_tv64(timer) > now Then Return orun |
945 | orun++ |
947 | hrtimer_add_expires(timer, interval) |
949 | Return orun |
Name | Describe |
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common_hrtimer_rearm | |
posix_timer_fn | This function gets called when a POSIX.1b interval timer expires. It* is used as a callback from the kernel internal timer. The* run_timer_list code ALWAYS calls with interrupts on.* This code is for CLOCK_REALTIME* and CLOCK_MONOTONIC* timers. |
common_hrtimer_forward | |
hrtimer_forward_now | hrtimer_forward_now - forward the timer expiry so it expires after now*@timer: hrtimer to forward*@interval: the interval to forward* Forward the timer expiry so it will expire after the current time* of the hrtimer clock base |
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