函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\trace\trace_sched_wakeup.c Create Date:2022-07-27 13:16:41
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：wakeup uses its own tracer function to keep the overhead down:

函数原型：static void wakeup_tracer_call(unsigned long ip, unsigned long parent_ip, struct ftrace_ops *op, struct pt_regs *pt_regs)

返回类型：void

参数：

类型参数名称
unsigned longip
unsigned longparent_ip
struct ftrace_ops *op
struct pt_regs *pt_regs
217  tr等于wakeup_trace
222  如果非禁用抢占和中断则返回
225  local_irq_save(flags)
226  trace_function(tr, ip, parent_ip, flags, pc)
227  local_irq_restore(flags)
229  atomic_dec( & disabled)
230  preempt_enable_notrace()