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 | Warning | Critical | 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] | ||
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] | ||
mmc0 [88] | i98 | derive | Interrupt 98, for device(s): mmc0 [88] | ||
uart-pl011 [89] | i99 | derive | Interrupt 99, for device(s): uart-pl011 [89] | ||
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] | ||
usb-001:004:01 [17] | i184 | derive | Interrupt 184, for device(s): usb-001:004:01 [17] | ||
[email protected] [4] | i185 | derive | Interrupt 185, for device(s): [email protected] [4] | ||
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 |