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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]
DMA IRQ [122] i21 derive     Interrupt 21, for device(s): DMA IRQ [122]
DMA IRQ [123] i22 derive     Interrupt 22, for device(s): DMA IRQ [123]
PCIe PME, aerdrv [175] i27 derive     Interrupt 27, for device(s): PCIe PME, aerdrv [175]
ttyS0 [125] i28 derive     Interrupt 28, for device(s): ttyS0 [125]
eth0 [189] i29 derive     Interrupt 29, for device(s): eth0 [189]
eth0 [190] i30 derive     Interrupt 30, for device(s): eth0 [190]
mmc1, mmc0 [158] i31 derive     Interrupt 31, for device(s): mmc1, mmc0 [158]
VCHIQ doorbell [66] i32 derive     Interrupt 32, for device(s): VCHIQ doorbell [66]
arm-pmu [48] i33 derive     Interrupt 33, for device(s): arm-pmu [48]
arm-pmu [49] i34 derive     Interrupt 34, for device(s): arm-pmu [49]
arm-pmu [50] i35 derive     Interrupt 35, for device(s): arm-pmu [50]
arm-pmu [51] i36 derive     Interrupt 36, for device(s): arm-pmu [51]
uart-pl011 [153] i37 derive     Interrupt 37, for device(s): uart-pl011 [153]
fe204000.spi [150] i38 derive     Interrupt 38, for device(s): fe204000.spi [150]
fe804000.i2c [149] i39 derive     Interrupt 39, for device(s): fe804000.i2c [149]
STB PCIe MSI 524288 Edge xhci_hcd i40 derive     Interrupt 40, for device(s): STB PCIe MSI 524288 Edge xhci_hcd
44 i44 derive     Interrupt 44, for device(s): fe980000.usb, fe980000.usb, dwc2_hsotg:usb3 [105]
feb10000.codec [130] i45 derive     Interrupt 45, for device(s): feb10000.codec [130]
vc4 hvs [129] i46 derive     Interrupt 46, for device(s): vc4 hvs [129]
vc4 hdmi hpd connected [4] i47 derive     Interrupt 47, for device(s): vc4 hdmi hpd connected [4]
vc4 hdmi hpd disconnected [5] i48 derive     Interrupt 48, for device(s): vc4 hdmi hpd disconnected [5]
vc4 hdmi cec rx [1] i49 derive     Interrupt 49, for device(s): vc4 hdmi cec rx [1]
vc4 hdmi cec tx [0] i50 derive     Interrupt 50, for device(s): vc4 hdmi cec tx [0]
vc4 hdmi hpd connected [10] i51 derive     Interrupt 51, for device(s): vc4 hdmi hpd connected [10]
vc4 hdmi hpd disconnected [11] i52 derive     Interrupt 52, for device(s): vc4 hdmi hpd disconnected [11]
vc4 hdmi cec rx [7] i53 derive     Interrupt 53, for device(s): vc4 hdmi cec rx [7]
vc4 hdmi cec tx [8] i54 derive     Interrupt 54, for device(s): vc4 hdmi cec tx [8]
v3d [106] i55 derive     Interrupt 55, for device(s): v3d [106]
fe004000.txp [107] i56 derive     Interrupt 56, for device(s): fe004000.txp [107]
vc4 crtc [141] i57 derive     Interrupt 57, for device(s): vc4 crtc [141]
vc4 crtc, vc4 crtc [142] i58 derive     Interrupt 58, for device(s): vc4 crtc, vc4 crtc [142]
vc4 crtc [133] i59 derive     Interrupt 59, for device(s): vc4 crtc [133]
vc4 crtc [138] i60 derive     Interrupt 60, for device(s): vc4 crtc [138]
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 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