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 13:00:24
Last Modify:2020-03-17 19:30:04 Copyright©Brick
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函数名称:g_buffer_overruns - get the number of overruns in buffer*@buffer: The ring buffer* Returns the total number of overruns in the ring buffer* (all CPU entries)

函数原型:unsigned long ring_buffer_overruns(struct ring_buffer *buffer)

返回类型:unsigned long

参数:

类型参数名称
struct ring_buffer *buffer
3531  overruns等于0
3535  for_each_buffer_cpu(buffer, cpu)
3536  cpu_buffer等于buffers[cpu]
3537  overruns加等于local_read( & overrun)
3540  返回:overruns
调用者
名称描述
ring_buffer_producer
__tracing_open
trace_init_global_iter
count_overruns