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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
timer [99] i25 derive     Interrupt 25, for device(s): timer [99]
arch_timer [29] i26 derive     Interrupt 26, for device(s): arch_timer [29]
arch_timer [30] i27 derive     Interrupt 27, for device(s): arch_timer [30]
fe00b880.mailbox [65] i33 derive     Interrupt 33, for device(s): fe00b880.mailbox [65]
uart-pl011 [153] i36 derive     Interrupt 36, for device(s): uart-pl011 [153]
DMA IRQ [114] i40 derive     Interrupt 40, for device(s): DMA IRQ [114]
VCHIQ doorbell [66] i47 derive     Interrupt 47, for device(s): VCHIQ doorbell [66]
mmc1, mmc0 [158] i48 derive     Interrupt 48, for device(s): mmc1, mmc0 [158]
eth0 [189] i55 derive     Interrupt 55, for device(s): eth0 [189]
eth0 [190] i56 derive     Interrupt 56, for device(s): eth0 [190]
PCIe PME [175] i62 derive     Interrupt 62, for device(s): PCIe PME [175]
STB PCIe MSI 524288 Edge xhci_hcd i63 derive     Interrupt 63, for device(s): STB PCIe MSI 524288 Edge xhci_hcd
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
CPU stop interrupts iIPI4 derive     Interrupt IPI4, for device(s): CPU stop interrupts
IRQ work interrupts iIPI5 derive     Interrupt IPI5, for device(s): IRQ work interrupts
completion interrupts iIPI6 derive     Interrupt IPI6, for device(s): completion interrupts
Err iErr derive