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 11:27:51
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：Zero ->ticks_this_gp and snapshot the number of RCU softirq handlers.

函数原型：static void zero_cpu_stall_ticks(struct rcu_data *rdp)

返回类型：void

参数：

类型参数名称
struct rcu_data *rdp
116  The number of scheduling-clock 等于0
117  Snapshot of softirq activity. 等于kstat_softirqs_cpu(RCU_SOFTIRQ, 当前cpu ID())
118  WRITE_ONCE(Time of last rcu_resched(). , jiffies)
调用者
名称描述
__note_gp_changesUpdate CPU-local rcu_data state to record the beginnings and ends of* grace periods. The caller must hold the ->lock of the leaf rcu_node* structure corresponding to the current CPU, and must have irqs disabled.