Function report |
Source Code:kernel\rcu\tree.c |
Create Date:2022-07-28 10:25:14 |
| Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
| home page | Tree |
| Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:_is_cpu_rrupt_from_idle - see if interrupted from idle* If the current CPU is idle and running at a first-level (not nested)* interrupt from idle, return true. The caller must have at least* disabled preemption.
Proto:static int rcu_is_cpu_rrupt_from_idle(void)
Type:int
Parameter:Nothing
| 390 | lockdep_assert_in_irq() |
| 393 | RCU_LOCKDEP_WARN(Operations for contexts that are safe from preemption/interrupts. These* operations verify that preemption is disabled.(dynticks_nesting) < 0, "RCU dynticks_nesting counter underflow!") |
| 395 | RCU_LOCKDEP_WARN(Operations for contexts that are safe from preemption/interrupts. These* operations verify that preemption is disabled.(dynticks_nmi_nesting) <= 0, "RCU dynticks_nmi_nesting counter underflow/zero!") |
| 399 | If Operations for contexts that are safe from preemption/interrupts. These* operations verify that preemption is disabled.(dynticks_nmi_nesting) != 1 Then Return false |
| 403 | Return Operations for contexts that are safe from preemption/interrupts. These* operations verify that preemption is disabled.(dynticks_nesting) == 0 |
| Name | Describe |
|---|---|
| rcu_sched_clock_irq | This function is invoked from each scheduling-clock interrupt,* and checks to see if this CPU is in a non-context-switch quiescent* state, for example, user mode or idle loop. It also schedules RCU* core processing |
| rcu_pending |
| Source code conversion tool public plug-in interface | X |
|---|---|
| Support c/c++/esqlc/java Oracle/Informix/Mysql Plug-in can realize: logical Report Code generation and batch code conversion |