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 |
bcm2708_fb dma |
i16 |
derive |
|
|
Interrupt 16, for device(s): bcm2708_fb dma |
DMA IRQ |
i24 |
derive |
|
|
Interrupt 24, for device(s): DMA IRQ |
DMA IRQ |
i25 |
derive |
|
|
Interrupt 25, for device(s): DMA IRQ |
dwc_otg, dwc_otg_pcd, dwc_otg_hcd:usb1 |
i32 |
derive |
|
|
Interrupt 32, for device(s): dwc_otg, dwc_otg_pcd, dwc_otg_hcd:usb1 |
BCM2708 GPIO catchall handler |
i52 |
derive |
|
|
Interrupt 52, for device(s): BCM2708 GPIO catchall handler |
ARM Mailbox IRQ |
i65 |
derive |
|
|
Interrupt 65, for device(s): ARM Mailbox IRQ |
VCHIQ doorbell |
i66 |
derive |
|
|
Interrupt 66, for device(s): VCHIQ doorbell |
75 |
i75 |
derive |
|
|
|
bcm2708_i2c.1 |
i79 |
derive |
|
|
Interrupt 79, for device(s): bcm2708_i2c.1 |
bcm2708_spi.0 |
i80 |
derive |
|
|
Interrupt 80, for device(s): bcm2708_spi.0 |
mmc0 |
i84 |
derive |
|
|
Interrupt 84, for device(s): mmc0 |
arch_timer |
i96 |
derive |
|
|
Interrupt 96, for device(s): arch_timer |
arch_timer |
i97 |
derive |
|
|
Interrupt 97, for device(s): arch_timer |
FIQ |
iFIQ |
derive |
|
|
|
CPU wakeup interrupts |
iIPI0 |
derive |
|
|
Interrupt IPI0, for device(s): CPU wakeup interrupts |
Timer broadcast interrupts |
iIPI1 |
derive |
|
|
Interrupt IPI1, for device(s): Timer broadcast interrupts |
Rescheduling interrupts |
iIPI2 |
derive |
|
|
Interrupt IPI2, for device(s): Rescheduling interrupts |
Function call interrupts |
iIPI3 |
derive |
|
|
Interrupt IPI3, for device(s): Function call interrupts |
Single function call interrupts |
iIPI4 |
derive |
|
|
Interrupt IPI4, for device(s): Single function call interrupts |
CPU stop interrupts |
iIPI5 |
derive |
|
|
Interrupt IPI5, for device(s): CPU stop interrupts |
IRQ work interrupts |
iIPI6 |
derive |
|
|
Interrupt IPI6, for device(s): IRQ work interrupts |
completion interrupts |
iIPI7 |
derive |
|
|
Interrupt IPI7, for device(s): completion interrupts |
Err |
iErr |
derive |
|
|
|