函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\trace\trace_irqsoff.c Create Date:2022-07-27 13:16:09
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：start and stop critical timings used to for stoppage (in idle)

函数原型：void start_critical_timings(void)

返回类型：void

参数：无

441  pc等于抢占计数值
443  如果preempt_trace(pc)或irq_trace()则start_critical_timing(CALLER_ADDR0, CALLER_ADDR1, pc)
调用者
名称描述
default_idle_calldefault_idle_call - Default CPU idle routine.* To use when the cpuidle framework cannot be used.
console_unlocksole_unlock - unlock the console system* Releases the console_lock which the caller holds on the console system* and the console driver list.* While the console_lock was held, console output may have been buffered* by printk()
cpu_idle_poll