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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] i17 derive     Interrupt 17, for device(s): timer [99]
arch_timer [29] i18 derive     Interrupt 18, for device(s): arch_timer [29]
arch_timer [30] i19 derive     Interrupt 19, for device(s): arch_timer [30]
fe00b880.mailbox [65] i26 derive     Interrupt 26, for device(s): fe00b880.mailbox [65]
uart-pl011 [153] i29 derive     Interrupt 29, for device(s): uart-pl011 [153]
DMA IRQ [114] i32 derive     Interrupt 32, for device(s): DMA IRQ [114]
VCHIQ doorbell [66] i39 derive     Interrupt 39, for device(s): VCHIQ doorbell [66]
mmc1, mmc0 [158] i40 derive     Interrupt 40, for device(s): mmc1, mmc0 [158]
arm-pmu [48] i41 derive     Interrupt 41, for device(s): arm-pmu [48]
arm-pmu [49] i42 derive     Interrupt 42, for device(s): arm-pmu [49]
arm-pmu [50] i43 derive     Interrupt 43, for device(s): arm-pmu [50]
arm-pmu [51] i44 derive     Interrupt 44, for device(s): arm-pmu [51]
eth0 [189] i46 derive     Interrupt 46, for device(s): eth0 [189]
eth0 [190] i47 derive     Interrupt 47, for device(s): eth0 [190]
PCIe PME, aerdrv [175] i53 derive     Interrupt 53, for device(s): PCIe PME, aerdrv [175]
STB PCIe MSI 524288 Edge xhci_hcd i54 derive     Interrupt 54, 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