Function report |
Source Code:kernel\time\clocksource.c |
Create Date:2022-07-28 10:44:06 |
| Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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| Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:locksource_stop_suspend_timing - Stop measuring the suspend timing*@cs: current clocksource from timekeeping*@cycle_now: current cycles from timekeeping* This function will calculate the suspend time from suspend timer.
Proto:u64 clocksource_stop_suspend_timing(struct clocksource *cs, u64 cycle_now)
Type:u64
Parameter:
| Type | Parameter | Name |
|---|---|---|
| struct clocksource * | cs | |
| u64 | cycle_now |
| 565 | nsec = 0 |
| 567 | If Not suspend_clocksource Then Return 0 |
| 575 | If clocksource_is_suspend(cs) Then now = cycle_now |
| 577 | Else now = read(suspend_clocksource) |
| 580 | If now > suspend_start Then |
| 581 | delta = clocksource_delta(now, suspend_start, mask) |
| 583 | nsec = mul_u64_u32_shr(delta, mult, shift) |
| 591 | If Not clocksource_is_suspend(cs) && disable Then disable(suspend_clocksource) |
| 594 | Return nsec |
| Name | Describe |
|---|---|
| timekeeping_resume | mekeeping_resume - Resumes the generic timekeeping subsystem. |
| Source code conversion tool public plug-in interface | X |
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