函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\trace\ring_buffer.c Create Date:2022-07-27 12:59:23
Last Modify:2020-03-17 19:30:04 Copyright©Brick
首页 函数Tree
注解内核,赢得工具下载SCCTEnglish

函数名称:ring_buffer_change_overwrite

函数原型:void ring_buffer_change_overwrite(struct ring_buffer *buffer, int val)

返回类型:void

参数:

类型参数名称
struct ring_buffer *buffer
intval
1896  mutex_lock( & mutex)
1897  如果valflags或等于RB_FL_OVERWRITE
1899  否则flags与等于RB_FL_OVERWRITE的反
1901  mutex_unlock - release the mutex*@lock: the mutex to be released* Unlock a mutex that has been locked by this task previously.* This function must not be used in interrupt context. Unlocking* of a not locked mutex is not allowed.
调用者
名称描述
set_tracer_flag