Function report |
Source Code:kernel\time\sched_clock.c |
Create Date:2022-07-28 10:51:26 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:sched_clock_register
Proto:void __init sched_clock_register(u64 (*read)(void ), int bits, unsigned long rate)
Type:void
Parameter:
Type | Parameter | Name |
---|---|---|
u64 (* | read | |
int | bits | |
unsigned long | rate |
179 | WARN_ON(!Some architectures don't define arch_irqs_disabled(), so even if either* definition would be fine we need to use different ones for the time being* to avoid build issues.()) |
189 | wrap_kt = ns_to_ktime(wrap) |
195 | cyc = actual_read_sched_clock() |
197 | actual_read_sched_clock = read |
199 | read_sched_clock = read |
200 | sched_clock_mask = new_mask |
208 | If (function != NULL) Then |
214 | If r >= 4000000 Then |
217 | Else |
229 | pr_info("sched_clock: %u bits at %lu%cHz, resolution %lluns, wraps every %lluns\n", bits, r, r_unit, res, wrap) |
233 | If irqtime > 0 || irqtime == -1 && rate >= 1000000 Then enable_sched_clock_irqtime() |
Name | Describe |
---|---|
generic_sched_clock_init |
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