函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\trace\trace.c Create Date:2022-07-27 13:09:49
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：create_trace_options_dir

函数原型：static void create_trace_options_dir(struct trace_array *tr)

返回类型：void

参数：

类型参数名称
struct trace_array *tr
8244  top_level等于tr恒等于The global_trace is the descriptor that holds the top-level tracing* buffers for the live tracing.
8247  t_options等于trace_options_init_dentry(tr)
8248  如果非t_options则返回
8251  以These must match the bit postions in trace_iterator_flags [i]循环
8252  如果top_level或非1左移i位按位与race_options that are only supported by global_trace 的值则create_trace_option_core_file(tr, These must match the bit postions in trace_iterator_flags [i], i)
调用者
名称描述
init_tracer_tracefs