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 |
| 3f00b880.mailbox [1] |
i2 |
derive |
|
|
Interrupt 2, for device(s): 3f00b880.mailbox [1] |
| VCHIQ doorbell [2] |
i3 |
derive |
|
|
Interrupt 3, for device(s): VCHIQ doorbell [2] |
| dwc_otg_sim-fiq [41] |
i51 |
derive |
|
|
Interrupt 51, for device(s): dwc_otg_sim-fiq [41] |
| bcm2708_fb DMA [48] |
i58 |
derive |
|
|
Interrupt 58, for device(s): bcm2708_fb DMA [48] |
| DMA IRQ [50] |
i60 |
derive |
|
|
Interrupt 60, for device(s): DMA IRQ [50] |
| DMA IRQ [52] |
i62 |
derive |
|
|
Interrupt 62, for device(s): DMA IRQ [52] |
| DMA IRQ [53] |
i63 |
derive |
|
|
Interrupt 63, for device(s): DMA IRQ [53] |
| DMA IRQ [56] |
i66 |
derive |
|
|
Interrupt 66, for device(s): DMA IRQ [56] |
| ttyS0 [61] |
i71 |
derive |
|
|
Interrupt 71, for device(s): ttyS0 [61] |
| dwc_otg, dwc_otg_pcd, dwc_otg_hcd:usb1 [64] |
i74 |
derive |
|
|
Interrupt 74, for device(s): dwc_otg, dwc_otg_pcd, dwc_otg_hcd:usb1 [64] |
| 3f804000.i2c [85] |
i95 |
derive |
|
|
Interrupt 95, for device(s): 3f804000.i2c [85] |
| 3f204000.spi [86] |
i96 |
derive |
|
|
Interrupt 96, for device(s): 3f204000.spi [86] |
| mmc0 [88] |
i98 |
derive |
|
|
Interrupt 98, for device(s): mmc0 [88] |
| mmc1 [94] |
i104 |
derive |
|
|
Interrupt 104, for device(s): mmc1 [94] |
| arch_timer [1] |
i180 |
derive |
|
|
Interrupt 180, for device(s): arch_timer [1] |
| kvm guest vtimer [3] |
i181 |
derive |
|
|
Interrupt 181, for device(s): kvm guest vtimer [3] |
| arm-pmu [9] |
i183 |
derive |
|
|
Interrupt 183, for device(s): arm-pmu [9] |
| 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 |
|
|
|
