查看某个设备是否有中断
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解决时间 2021-11-17 14:32
- 提问者网友：萌卜娃娃
- 2021-11-16 13:55
查看某个设备是否有中断
最佳答案
- 五星知识达人网友：旧脸谱
- 2021-11-16 14:11
查看某个设备是否有中断上来用/proc/interrupts
例如
# cat /proc/interrupts
CPU0
27: 2297 GIC 27 arch_timer
33: 534 GIC 33 uart-pl011
79: 2 GIC 79 virtio31
IPI0: 0 Rescheduling interrupts
IPI1: 0 Function call interrupts
IPI2: 0 Single function call interrupts
IPI3: 0 CPU stop interrupts
Err: 0
# cat /proc/interrupts
CPU0
27: 2316 GIC 27 arch_timer
33: 558 GIC 33 uart-pl011
79: 2 GIC 79 virtio31
IPI0: 0 Rescheduling interrupts
IPI1: 0 Function call interrupts
IPI2: 0 Single function call interrupts
IPI3: 0 CPU stop interrupts
Err: 0
【TS，DM】
例如
# cat /proc/interrupts
CPU0
27: 2297 GIC 27 arch_timer
33: 534 GIC 33 uart-pl011
79: 2 GIC 79 virtio31
IPI0: 0 Rescheduling interrupts
IPI1: 0 Function call interrupts
IPI2: 0 Single function call interrupts
IPI3: 0 CPU stop interrupts
Err: 0
# cat /proc/interrupts
CPU0
27: 2316 GIC 27 arch_timer
33: 558 GIC 33 uart-pl011
79: 2 GIC 79 virtio31
IPI0: 0 Rescheduling interrupts
IPI1: 0 Function call interrupts
IPI2: 0 Single function call interrupts
IPI3: 0 CPU stop interrupts
Err: 0
【TS，DM】
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