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 13:04:08
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：wait_on_pipe

函数原型：static int wait_on_pipe(struct trace_iterator *iter, int full)

返回类型：int

参数：

类型参数名称
struct trace_iterator *iter
intfull
1718  如果trace_buffer_iter(iter, cpu_file)则返回:0
1721  返回:g_buffer_wait - wait for input to the ring buffer*@buffer: buffer to wait on*@cpu: the cpu buffer to wait on*@full: wait until a full page is available, if @cpu != RING_BUFFER_ALL_CPUS* If @cpu == RING_BUFFER_ALL_CPUS then the task will wake up as soon
调用者
名称描述
tracing_wait_pipeMust be called with iter->mutex held.
tracing_buffers_read
tracing_buffers_splice_read