Shows the number of different IRQs received by the kernel. High disk or network traffic can cause a high number of interrupts (with good hardware and drivers this will be less so). Sudden high interrupt activity with no associated higher system activity is not normal.
| Field |
Internal name |
Type |
Warn |
Crit |
Info |
| arch_timer [1] |
i2 |
derive |
|
|
Interrupt 2, for device(s): arch_timer [1] |
| 3f00b880.mailbox [1] |
i6 |
derive |
|
|
Interrupt 6, for device(s): 3f00b880.mailbox [1] |
| VCHIQ doorbell [2] |
i7 |
derive |
|
|
Interrupt 7, for device(s): VCHIQ doorbell [2] |
| arm-pmu |
i9 |
derive |
|
|
Interrupt 9, for device(s): arm-pmu |
| dwc_otg, dwc_otg_pcd, dwc_otg_hcd:usb1 [64] |
i15 |
derive |
|
|
Interrupt 15, for device(s): dwc_otg, dwc_otg_pcd, dwc_otg_hcd:usb1 [64] |
| dwc_otg_sim-fiq |
i41 |
derive |
|
|
Interrupt 41, for device(s): dwc_otg_sim-fiq |
| bcm2708_fb dma |
i48 |
derive |
|
|
Interrupt 48, for device(s): bcm2708_fb dma |
| DMA IRQ |
i50 |
derive |
|
|
Interrupt 50, for device(s): DMA IRQ |
| DMA IRQ |
i52 |
derive |
|
|
Interrupt 52, for device(s): DMA IRQ |
| DMA IRQ |
i53 |
derive |
|
|
Interrupt 53, for device(s): DMA IRQ |
| DMA IRQ |
i56 |
derive |
|
|
Interrupt 56, for device(s): DMA IRQ |
| DMA IRQ |
i57 |
derive |
|
|
Interrupt 57, for device(s): DMA IRQ |
| DMA IRQ |
i58 |
derive |
|
|
Interrupt 58, for device(s): DMA IRQ |
| bcm2835-auxirq |
i61 |
derive |
|
|
Interrupt 61, for device(s): bcm2835-auxirq |
| 3f804000.i2c [85] |
i68 |
derive |
|
|
Interrupt 68, for device(s): 3f804000.i2c [85] |
| 3f204000.spi [86] |
i69 |
derive |
|
|
Interrupt 69, for device(s): 3f204000.spi [86] |
| mmc0 [88] |
i71 |
derive |
|
|
Interrupt 71, for device(s): mmc0 [88] |
| mmc1 [94] |
i77 |
derive |
|
|
Interrupt 77, for device(s): mmc1 [94] |
| ttyS0 [0] |
i151 |
derive |
|
|
Interrupt 151, for device(s): ttyS0 [0] |
| Rescheduling interrupts |
iIPI0 |
derive |
|
|
Interrupt IPI0, for device(s): Rescheduling interrupts |
| Function call interrupts |
iIPI1 |
derive |
|
|
Interrupt IPI1, for device(s): Function call interrupts |
| CPU stop interrupts |
iIPI2 |
derive |
|
|
Interrupt IPI2, for device(s): CPU stop interrupts |
| CPU stop (for crash dump) interrupts |
iIPI3 |
derive |
|
|
Interrupt IPI3, for device(s): CPU stop (for crash dump) interrupts |
| Timer broadcast interrupts |
iIPI4 |
derive |
|
|
Interrupt IPI4, for device(s): Timer broadcast interrupts |
| IRQ work interrupts |
iIPI5 |
derive |
|
|
Interrupt IPI5, for device(s): IRQ work interrupts |
| CPU wake-up interrupts |
iIPI6 |
derive |
|
|
Interrupt IPI6, for device(s): CPU wake-up interrupts |
| Err |
iErr |
derive |
|
|
|
