函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\profile.c Create Date:2022-07-27 11:37:28
Last Modify:2020-03-17 15:11:09 Copyright©Brick
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函数名称:prof_cpu_mask_proc_write

函数原型:static ssize_t prof_cpu_mask_proc_write(struct file *file, const char __user *buffer, size_t count, loff_t *pos)

返回类型:ssize_t

参数:

类型参数名称
struct file *file
const char __user *buffer
size_tcount
loff_t *pos
433  如果非分配CPU掩码则返回:负ENOMEM
436  err等于从用户串中提取CPU信息
437  如果非err
438  pumask_copy - *dstp = *srcp*@dstp: the result*@srcp: the input cpumask
439  err等于count
441  释放CPU掩码
442  返回:err