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 13:09:54
Last Modify:2020-03-12 14:18:49 Copyright©Brick
首页 函数Tree
注解内核,赢得工具下载SCCTEnglish

函数名称：buffer_percent_read

函数原型：static ssize_t buffer_percent_read(struct file *filp, char __user *ubuf, size_t cnt, loff_t *ppos)

返回类型：ssize_t

参数：

类型参数名称
struct file *filp
char __user *ubuf
size_tcnt
loff_t *ppos
8318  tr等于 needed for tty driver, and maybe others
8322  r等于buffer_percent
8323  r等于输出格式化串
8325  返回:simple_read_from_buffer(ubuf, cnt, ppos, buf, r)