irq代码有哪些？Linux内核API中断与定时中soft_irq代码有哪些？指在irq_handle之后重新开启硬件irq的中断...
问题2现象:通过mpstat 查看cpu软锁中断值,发现逻辑cpu编号14和15号的soft值异常高,相对其他平均不到0.5%.idle值很低. 解决方法:开启irqbalence服务,重启主机后恢复正常.
Server becomes unresponsive frequently or softlockup when ip_recv_error() got interrupted by hard IRQ Solution Verified - Updated June 13 2024 at 9:33 PM - English Issue Server becomes unresponsive frequently: Raw PID: 1234 TASK: ffff8f0d121ae300 CPU: 5 COMMAND: "task" #0 [ffff8f189ff...
__irq关键字 在ADS编译器中,“__irq”专门用来声明IRQ中断服务程序,如果用“__irq”来声明一个函数,那么该函数表示一个IRQ中断服务程序,编译器便会自动在该函数内部增加中断现场保护的代码。同样一个函数,如果将关键字“__irq”去掉,那么编译器便不会增加现场保护的代码,而只是作为一个普通函数来处理。 现在大家...
{ raw_spin_lock_irq(&call_function.lock); } void ipi_call_unlock_irq(void) { raw_spin_unlock_irq(&call_function.lock); } #endif /* USE_GENERIC_SMP_HELPERS */ /* Setup configured maximum number of CPUs to activate */ 0 comments on commit 8feb8e8 Please sign in to comment. Foo...
pin A routed to IRQ 16 Region 0: Memory at f7d00000 (64-bit, non-prefetchable) [size=32K] Capabilities: [50] MSI: Enable- Count=1/8 Maskable- 64bit+ Address: 0000000000000000 Data: 0000 -- Subsystem: 1043:8488 Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr...
enable_irq_wake(irq);有嵌套层次,多次执行后如果去执行一次disable_irq_wake,结果不能够disable irq wake, 要enable和disable的次数相同 static inline int enable_irq_wake(unsigned int irq) { return set_irq_wake(irq, 1); } static inline int disable_irq_wake(unsigned int irq) ...
The Insync uses just one IRQ. (Artisoft Insync Multi-Port Serial Adapter) (Hardware Review)(Brief Article)(Evaluation)Schultz, Keith
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