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 |
i0 |
derive |
|
|
Interrupt 0, for device(s): timer |
i8042 |
i1 |
derive |
|
|
Interrupt 1, for device(s): i8042 |
rtc0 |
i8 |
derive |
|
|
Interrupt 8, for device(s): rtc0 |
acpi |
i9 |
derive |
|
|
Interrupt 9, for device(s): acpi |
i8042 |
i12 |
derive |
|
|
Interrupt 12, for device(s): i8042 |
i801_smbus |
i16 |
derive |
|
|
Interrupt 16, for device(s): i801_smbus |
qxl |
i21 |
derive |
|
|
Interrupt 21, for device(s): qxl |
virtio3 |
i22 |
derive |
|
|
Interrupt 22, for device(s): virtio3 |
aerdrv, PCIe PME, pciehp |
i24 |
derive |
|
|
Interrupt 24, for device(s): aerdrv, PCIe PME, pciehp |
aerdrv, PCIe PME, pciehp |
i25 |
derive |
|
|
Interrupt 25, for device(s): aerdrv, PCIe PME, pciehp |
aerdrv, PCIe PME, pciehp |
i26 |
derive |
|
|
Interrupt 26, for device(s): aerdrv, PCIe PME, pciehp |
aerdrv, PCIe PME, pciehp |
i27 |
derive |
|
|
Interrupt 27, for device(s): aerdrv, PCIe PME, pciehp |
aerdrv, PCIe PME, pciehp |
i28 |
derive |
|
|
Interrupt 28, for device(s): aerdrv, PCIe PME, pciehp |
aerdrv, PCIe PME, pciehp |
i29 |
derive |
|
|
Interrupt 29, for device(s): aerdrv, PCIe PME, pciehp |
aerdrv, PCIe PME, pciehp |
i30 |
derive |
|
|
Interrupt 30, for device(s): aerdrv, PCIe PME, pciehp |
aerdrv, PCIe PME, pciehp |
i31 |
derive |
|
|
Interrupt 31, for device(s): aerdrv, PCIe PME, pciehp |
aerdrv, PCIe PME, pciehp |
i32 |
derive |
|
|
Interrupt 32, for device(s): aerdrv, PCIe PME, pciehp |
aerdrv, PCIe PME, pciehp |
i33 |
derive |
|
|
Interrupt 33, for device(s): aerdrv, PCIe PME, pciehp |
aerdrv, PCIe PME, pciehp |
i34 |
derive |
|
|
Interrupt 34, for device(s): aerdrv, PCIe PME, pciehp |
aerdrv, PCIe PME, pciehp |
i35 |
derive |
|
|
Interrupt 35, for device(s): aerdrv, PCIe PME, pciehp |
aerdrv, PCIe PME, pciehp |
i36 |
derive |
|
|
Interrupt 36, for device(s): aerdrv, PCIe PME, pciehp |
aerdrv, PCIe PME, pciehp |
i37 |
derive |
|
|
Interrupt 37, for device(s): aerdrv, PCIe PME, pciehp |
aerdrv, PCIe PME, pciehp |
i38 |
derive |
|
|
Interrupt 38, for device(s): aerdrv, PCIe PME, pciehp |
aerdrv, PCIe PME, pciehp |
i39 |
derive |
|
|
Interrupt 39, for device(s): aerdrv, PCIe PME, pciehp |
xhci_hcd |
i40 |
derive |
|
|
Interrupt 40, for device(s): xhci_hcd |
xhci_hcd |
i41 |
derive |
|
|
Interrupt 41, for device(s): xhci_hcd |
xhci_hcd |
i42 |
derive |
|
|
Interrupt 42, for device(s): xhci_hcd |
xhci_hcd |
i43 |
derive |
|
|
Interrupt 43, for device(s): xhci_hcd |
xhci_hcd |
i44 |
derive |
|
|
Interrupt 44, for device(s): xhci_hcd |
virtio1-config |
i45 |
derive |
|
|
Interrupt 45, for device(s): virtio1-config |
virtio1-virtqueues |
i46 |
derive |
|
|
Interrupt 46, for device(s): virtio1-virtqueues |
virtio0-config |
i47 |
derive |
|
|
Interrupt 47, for device(s): virtio0-config |
virtio0-input.0 |
i48 |
derive |
|
|
Interrupt 48, for device(s): virtio0-input.0 |
virtio0-output.0 |
i49 |
derive |
|
|
Interrupt 49, for device(s): virtio0-output.0 |
virtio0-input.1 |
i50 |
derive |
|
|
Interrupt 50, for device(s): virtio0-input.1 |
virtio0-output.1 |
i51 |
derive |
|
|
Interrupt 51, for device(s): virtio0-output.1 |
virtio0-input.2 |
i52 |
derive |
|
|
Interrupt 52, for device(s): virtio0-input.2 |
virtio0-output.2 |
i53 |
derive |
|
|
Interrupt 53, for device(s): virtio0-output.2 |
virtio0-input.3 |
i54 |
derive |
|
|
Interrupt 54, for device(s): virtio0-input.3 |
virtio0-output.3 |
i55 |
derive |
|
|
Interrupt 55, for device(s): virtio0-output.3 |
virtio2-config |
i56 |
derive |
|
|
Interrupt 56, for device(s): virtio2-config |
virtio2-control |
i57 |
derive |
|
|
Interrupt 57, for device(s): virtio2-control |
virtio2-event |
i58 |
derive |
|
|
Interrupt 58, for device(s): virtio2-event |
virtio2-request |
i59 |
derive |
|
|
Interrupt 59, for device(s): virtio2-request |
virtio2-request |
i60 |
derive |
|
|
Interrupt 60, for device(s): virtio2-request |
virtio2-request |
i61 |
derive |
|
|
Interrupt 61, for device(s): virtio2-request |
virtio2-request |
i62 |
derive |
|
|
Interrupt 62, for device(s): virtio2-request |
0000:00:1f.2 |
i63 |
derive |
|
|
Interrupt 63, for device(s): 0000:00:1f.2 |
Non-maskable interrupts |
iNMI |
derive |
|
|
Interrupt NMI, for device(s): Non-maskable interrupts |
Local timer interrupts |
iLOC |
derive |
|
|
Interrupt LOC, for device(s): Local timer interrupts |
Spurious interrupts |
iSPU |
derive |
|
|
Interrupt SPU, for device(s): Spurious interrupts |
Performance monitoring interrupts |
iPMI |
derive |
|
|
Interrupt PMI, for device(s): Performance monitoring interrupts |
IRQ work interrupts |
iIWI |
derive |
|
|
Interrupt IWI, for device(s): IRQ work interrupts |
APIC ICR read retries |
iRTR |
derive |
|
|
Interrupt RTR, for device(s): APIC ICR read retries |
Rescheduling interrupts |
iRES |
derive |
|
|
Interrupt RES, for device(s): Rescheduling interrupts |
Function call interrupts |
iCAL |
derive |
|
|
Interrupt CAL, for device(s): Function call interrupts |
TLB shootdowns |
iTLB |
derive |
|
|
Interrupt TLB, for device(s): TLB shootdowns |
Thermal event interrupts |
iTRM |
derive |
|
|
Interrupt TRM, for device(s): Thermal event interrupts |
Threshold APIC interrupts |
iTHR |
derive |
|
|
Interrupt THR, for device(s): Threshold APIC interrupts |
Deferred Error APIC interrupts |
iDFR |
derive |
|
|
Interrupt DFR, for device(s): Deferred Error APIC interrupts |
Machine check exceptions |
iMCE |
derive |
|
|
Interrupt MCE, for device(s): Machine check exceptions |
Machine check polls |
iMCP |
derive |
|
|
Interrupt MCP, for device(s): Machine check polls |
ERR |
iERR |
derive |
|
|
|
MIS |
iMIS |
derive |
|
|
|
Posted-interrupt notification event |
iPIN |
derive |
|
|
Interrupt PIN, for device(s): Posted-interrupt notification event |
Nested posted-interrupt event |
iNPI |
derive |
|
|
Interrupt NPI, for device(s): Nested posted-interrupt event |
Posted-interrupt wakeup event |
iPIW |
derive |
|
|
Interrupt PIW, for device(s): Posted-interrupt wakeup event |