函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\trace\trace_sched_switch.c Create Date:2022-07-27 13:15:06
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：tracing_sched_register

函数原型：static int tracing_sched_register(void)

返回类型：int

参数：无

54  ret等于Tracepoint called when the task is actually woken; p->state == TASK_RUNNNG.* It it not always called from the waking context.
55  如果ret则
56  打印信息("wakeup trace: Couldn't activate tracepoint probe to kernel_sched_wakeup\n")
58  返回:ret
61  ret等于Tracepoint for waking up a new task:
62  如果ret则
63  打印信息("wakeup trace: Couldn't activate tracepoint probe to kernel_sched_wakeup_new\n")
65  转到:fail_deprobe
68  ret等于Tracepoint for task switches, performed by the scheduler:
69  如果ret则
70  打印信息("sched trace: Couldn't activate tracepoint probe to kernel_sched_switch\n")
72  转到:fail_deprobe_wake_new
75  返回:ret
76  fail_deprobe_wake_new :
77  Tracepoint for waking up a new task:
78  fail_deprobe :
79  Tracepoint called when the task is actually woken; p->state == TASK_RUNNNG.* It it not always called from the waking context.
80  返回:ret
调用者
名称描述
tracing_start_sched_switch