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 | Warning | Critical | 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] | i42 | derive | Interrupt 42, for device(s): arm-pmu [48] | ||
arm-pmu [49] | i43 | derive | Interrupt 43, for device(s): arm-pmu [49] | ||
arm-pmu [50] | i44 | derive | Interrupt 44, for device(s): arm-pmu [50] | ||
arm-pmu [51] | i45 | derive | Interrupt 45, for device(s): arm-pmu [51] | ||
eth0 [189] | i47 | derive | Interrupt 47, for device(s): eth0 [189] | ||
eth0 [190] | i48 | derive | Interrupt 48, for device(s): eth0 [190] | ||
v3d [106] | i54 | derive | Interrupt 54, for device(s): v3d [106] | ||
PCIe PME, aerdrv [175] | i55 | derive | Interrupt 55, for device(s): PCIe PME, aerdrv [175] | ||
STB PCIe MSI 524288 Edge xhci_hcd | i56 | derive | Interrupt 56, 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 |