函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\rcu\tree_stall.h Create Date:2022-07-27 11:27:48
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：Limit-check stall timeouts specified at boottime and runtime.

函数原型：int rcu_jiffies_till_stall_check(void)

返回类型：int

参数：无

26  till_stall_check等于READ_ONCE(rcu_cpu_stall_timeout)
32  如果till_stall_check小于3则
33  WRITE_ONCE(rcu_cpu_stall_timeout, 3)
34  till_stall_check等于3
35  否则如果till_stall_check大于300则
36  WRITE_ONCE(rcu_cpu_stall_timeout, 300)
37  till_stall_check等于300
39  返回:till_stall_check乘HZ加RCU_STALL_DELAY_DELTA
调用者
名称描述
rcu_corePerform RCU core processing work for the current CPU.
record_gp_stall_check_timeStart of new grace period, so record stall time (and forcing times).
print_other_cpu_stall
print_cpu_stall
check_cpu_stall
synchronize_sched_expedited_wait