Function report |
Source Code:kernel\trace\trace_sched_wakeup.c |
Create Date:2022-07-28 12:09:55 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
home page | Tree |
Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:wakeup uses its own tracer function to keep the overhead down:
Proto:static void wakeup_tracer_call(unsigned long ip, unsigned long parent_ip, struct ftrace_ops *op, struct pt_regs *pt_regs)
Type:void
Parameter:
Type | Parameter | Name |
---|---|---|
unsigned long | ip | |
unsigned long | parent_ip | |
struct ftrace_ops * | op | |
struct pt_regs * | pt_regs |
217 | tr = wakeup_trace |
222 | If Not Prologue for the wakeup function tracers Then Return |
225 | local_irq_save(flags) |
227 | local_irq_restore(flags) |
229 | atomic_dec( & disabled) |
230 | preempt_enable_notrace() |
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