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 13:00:20
Last Modify:2020-03-17 19:30:04 Copyright©Brick
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函数名称:g_buffer_commit_overrun_cpu - get the number of overruns caused by* commits failing due to the buffer wrapping around while there are uncommitted* events, such as during an interrupt storm

函数原型:unsigned long ring_buffer_commit_overrun_cpu(struct ring_buffer *buffer, int cpu)

返回类型:unsigned long

参数:

类型参数名称
struct ring_buffer *buffer
intcpu
3448  如果非测试CPU信息则返回:0
3451  cpu_buffer等于buffers[cpu]
3452  ret等于local_read( & commit_overrun)
3454  返回:ret
调用者
名称描述
tracing_stats_read