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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 Warning Critical Info
2-edge timer i0 derive Interrupt 0, for device(s): 2-edge timer
1-edge i8042 i1 derive Interrupt 1, for device(s): 1-edge i8042
3-edge ttyS1 i3 derive Interrupt 3, for device(s): 3-edge ttyS1
8-edge rtc0 i8 derive Interrupt 8, for device(s): 8-edge rtc0
9-fasteoi acpi i9 derive Interrupt 9, for device(s): 9-fasteoi acpi
12-edge i8042 i12 derive Interrupt 12, for device(s): 12-edge i8042
17-fasteoi uhci_hcd:usb2 i17 derive Interrupt 17, for device(s): 17-fasteoi uhci_hcd:usb2
18-fasteoi uhci_hcd:usb4 i18 derive Interrupt 18, for device(s): 18-fasteoi uhci_hcd:usb4
19-fasteoi ehci_hcd:usb1 i19 derive Interrupt 19, for device(s): 19-fasteoi ehci_hcd:usb1
20-fasteoi uhci_hcd:usb6 i20 derive Interrupt 20, for device(s): 20-fasteoi uhci_hcd:usb6
21-fasteoi ehci_hcd:usb3, uhci_hcd:usb5 i21 derive Interrupt 21, for device(s): 21-fasteoi ehci_hcd:usb3, uhci_hcd:usb5
23-fasteoi ata_piix i23 derive Interrupt 23, for device(s): 23-fasteoi ata_piix
0-edge dmar0 i24 derive Interrupt 24, for device(s): 0-edge dmar0
16384-edge PCIe PME, aerdrv i26 derive Interrupt 26, for device(s): 16384-edge PCIe PME, aerdrv
49152-edge PCIe PME, aerdrv i27 derive Interrupt 27, for device(s): 49152-edge PCIe PME, aerdrv
114688-edge PCIe PME, aerdrv i28 derive Interrupt 28, for device(s): 114688-edge PCIe PME, aerdrv
147456-edge PCIe PME, aerdrv i29 derive Interrupt 29, for device(s): 147456-edge PCIe PME, aerdrv
458752-edge PCIe PME i30 derive Interrupt 30, for device(s): 458752-edge PCIe PME
1572864-edge megasas0-msix0 i35 derive Interrupt 35, for device(s): 1572864-edge megasas0-msix0
524288-edge eno1-0 i36 derive Interrupt 36, for device(s): 524288-edge eno1-0
524289-edge eno1-1 i37 derive Interrupt 37, for device(s): 524289-edge eno1-1
524290-edge eno1-2 i38 derive Interrupt 38, for device(s): 524290-edge eno1-2
524291-edge eno1-3 i39 derive Interrupt 39, for device(s): 524291-edge eno1-3
524292-edge eno1-4 i40 derive Interrupt 40, for device(s): 524292-edge eno1-4
524293-edge eno1-5 i41 derive Interrupt 41, for device(s): 524293-edge eno1-5
524294-edge eno1-6 i42 derive Interrupt 42, for device(s): 524294-edge eno1-6
524295-edge eno1-7 i43 derive Interrupt 43, for device(s): 524295-edge eno1-7
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
This page was generated by Munin version 2.0.49 at 2022-08-11 01:02:40+0200 (CEST) with MunStrap template.