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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
vgic [25] i9 derive     Interrupt 9, for device(s): vgic [25]
arch_timer [30] i11 derive     Interrupt 11, for device(s): arch_timer [30]
kvm guest vtimer [27] i12 derive     Interrupt 12, for device(s): kvm guest vtimer [27]
fe00b880.mailbox [65] i14 derive     Interrupt 14, for device(s): fe00b880.mailbox [65]
DMA IRQ [114] i15 derive     Interrupt 15, for device(s): DMA IRQ [114]
DMA IRQ [116] i16 derive     Interrupt 16, for device(s): DMA IRQ [116]
PCIe PME, aerdrv [175] i26 derive     Interrupt 26, for device(s): PCIe PME, aerdrv [175]
eth0 [189] i27 derive     Interrupt 27, for device(s): eth0 [189]
eth0 [190] i28 derive     Interrupt 28, for device(s): eth0 [190]
VCHIQ doorbell [66] i29 derive     Interrupt 29, for device(s): VCHIQ doorbell [66]
arm-pmu [48] i30 derive     Interrupt 30, for device(s): arm-pmu [48]
arm-pmu [49] i31 derive     Interrupt 31, for device(s): arm-pmu [49]
arm-pmu [50] i32 derive     Interrupt 32, for device(s): arm-pmu [50]
arm-pmu [51] i33 derive     Interrupt 33, for device(s): arm-pmu [51]
uart-pl011 [153] i34 derive     Interrupt 34, for device(s): uart-pl011 [153]
mmc0 [158] i35 derive     Interrupt 35, for device(s): mmc0 [158]
fe204000.spi [150] i36 derive     Interrupt 36, for device(s): fe204000.spi [150]
fe804000.i2c [149] i37 derive     Interrupt 37, for device(s): fe804000.i2c [149]
STB PCIe MSI 524288 Edge xhci_hcd i38 derive     Interrupt 38, for device(s): STB PCIe MSI 524288 Edge xhci_hcd
42 i42 derive     Interrupt 42, for device(s): fe980000.usb, fe980000.usb, dwc2_hsotg:usb3 [105]
pps@12.-1 [18] i43 derive     Interrupt 43, for device(s): pps@12.-1 [18]
feb10000.codec [130] i44 derive     Interrupt 44, for device(s): feb10000.codec [130]
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 NMIs iIPI3 derive     Interrupt IPI3, for device(s): CPU stop NMIs
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 backtrace interrupts iIPI6 derive     Interrupt IPI6, for device(s): CPU backtrace interrupts
KGDB roundup interrupts iIPI7 derive     Interrupt IPI7, for device(s): KGDB roundup interrupts
Err iErr derive