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 13:10:25
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：trace_printk_seq

函数原型：void trace_printk_seq(struct trace_seq *s)

返回类型：void

参数：

类型参数名称
struct trace_seq *s
9017  如果len大于等于printk is set to max of 1024, we really don't need it that big.* Nothing should be printing 1000 characters anyway.则len等于printk is set to max of 1024, we really don't need it that big.* Nothing should be printing 1000 characters anyway.
9025  如果WARN_ON_ONCE(len >= size)则len等于size减1
9029  buffer[len]等于0
9031  printk - print a kernel message*@fmt: format string* This is printk(). It can be called from any context. We want it to work.* We try to grab the console_lock. If we succeed, it's easy - we log the* output and call the console drivers
9033  trace_seq_init(s)
调用者
名称描述
ftrace_dump
ftrace_dump_buf