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 13:16:14
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：start_irqsoff_tracer

函数原型：static int start_irqsoff_tracer(struct trace_array *tr, int graph)

返回类型：int

参数：

类型参数名称
struct trace_array *tr
intgraph
536  ret等于register_irqsoff_function(tr, graph, 0)
538  如果非ret且racing_is_enabled - Show if global_trace has been disabled* Shows if the global trace has been enabled or not. It uses the* mirror flag "buffer_disabled" to be used in fast paths such as for* the irqsoff tracer则tracer_enabled等于1
540  否则tracer_enabled等于0
543  返回:ret
调用者
名称描述
__irqsoff_tracer_init