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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]
ttyS0 [125] i30 derive     Interrupt 30, for device(s): ttyS0 [125]
fe804000.i2c [149] i31 derive     Interrupt 31, for device(s): fe804000.i2c [149]
DMA IRQ [114] i34 derive     Interrupt 34, for device(s): DMA IRQ [114]
VCHIQ doorbell [66] i41 derive     Interrupt 41, for device(s): VCHIQ doorbell [66]
mmc1, mmc0 [158] i42 derive     Interrupt 42, for device(s): mmc1, mmc0 [158]
arm-pmu [48] i44 derive     Interrupt 44, for device(s): arm-pmu [48]
arm-pmu [49] i45 derive     Interrupt 45, for device(s): arm-pmu [49]
arm-pmu [50] i46 derive     Interrupt 46, for device(s): arm-pmu [50]
arm-pmu [51] i47 derive     Interrupt 47, for device(s): arm-pmu [51]
eth0 [189] i49 derive     Interrupt 49, for device(s): eth0 [189]
eth0 [190] i50 derive     Interrupt 50, for device(s): eth0 [190]
v3d [106] i56 derive     Interrupt 56, for device(s): v3d [106]
PCIe PME, aerdrv [175] i57 derive     Interrupt 57, for device(s): PCIe PME, aerdrv [175]
STB PCIe MSI 524288 Edge xhci_hcd i58 derive     Interrupt 58, for device(s): STB PCIe MSI 524288 Edge xhci_hcd
gpiolib [4] i59 derive     Interrupt 59, for device(s): gpiolib [4]
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