Function report |
Source Code:kernel\time\tick-common.c |
Create Date:2022-07-28 10:50:19 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
home page | Tree |
Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:k_is_oneshot_available - check for a oneshot capable event device
Proto:int tick_is_oneshot_available(void)
Type:int
Parameter:Nothing
71 | dev = Operations for contexts that are safe from preemption/interrupts. These* operations verify that preemption is disabled.(evtdev) |
73 | If Not dev || Not (features & CLOCK_EVT_FEAT_ONESHOT) Then Return 0 |
75 | If Not (features & CLOCK_EVT_FEAT_C3STOP) Then Return 1 |
77 | Return tick_broadcast_oneshot_available() |
Name | Describe |
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tick_check_oneshot_change | Check, if a change happened, which makes oneshot possible.* Called cyclic from the hrtimer softirq (driven by the timer* softirq) allow_nohz signals, that we can switch into low-res nohz* mode, because high resolution timers are disabled (either compile |
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