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 13:03:37
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：race_pid_start - Used for seq_file to start reading pid lists*@pid_list: The pid list to show*@pos: The position of the file* This is used by seq_file "start" operation to start the iteration* of listing pids

函数原型：void *trace_pid_start(struct trace_pid_list *pid_list, loff_t *pos)

返回类型：void

参数：

类型参数名称
struct trace_pid_list *pid_list
loff_t *pos
479  l等于0
481  pid等于find_first_bit(pids, pid_max)
482  如果pid大于等于pid_max则返回:NULL
486  以pid且l小于pos循环返回:pid
调用者
名称描述
p_start
fpid_start