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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
2-edge timer i0 derive     Interrupt 0, for device(s): 2-edge timer
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
10-edge ipmi_si i10 derive     Interrupt 10, for device(s): 10-edge ipmi_si
16-fasteoi i801_smbus i16 derive     Interrupt 16, for device(s): 16-fasteoi i801_smbus
0-edge dmar0 i24 derive     Interrupt 24, for device(s): 0-edge dmar0
3-edge dmar3 i25 derive     Interrupt 25, for device(s): 3-edge dmar3
0-edge PCIe PME, pciehp, PCIe bwctrl i26 derive     Interrupt 26, for device(s): 0-edge PCIe PME, pciehp, PCIe bwctrl
0-edge PCIe PME, PCIe bwctrl i27 derive     Interrupt 27, for device(s): 0-edge PCIe PME, PCIe bwctrl
0-edge PCIe PME, PCIe bwctrl i28 derive     Interrupt 28, for device(s): 0-edge PCIe PME, PCIe bwctrl
0-edge PCIe PME, PCIe bwctrl i30 derive     Interrupt 30, for device(s): 0-edge PCIe PME, PCIe bwctrl
0-edge PCIe PME, PCIe bwctrl i31 derive     Interrupt 31, for device(s): 0-edge PCIe PME, PCIe bwctrl
0-edge ahci[0000:00:11.5] i32 derive     Interrupt 32, for device(s): 0-edge ahci[0000:00:11.5]
0-edge megasas0-msix0 i34 derive     Interrupt 34, for device(s): 0-edge megasas0-msix0
1-edge megasas0-msix1 i35 derive     Interrupt 35, for device(s): 1-edge megasas0-msix1
2-edge megasas0-msix2 i36 derive     Interrupt 36, for device(s): 2-edge megasas0-msix2
3-edge megasas0-msix3 i37 derive     Interrupt 37, for device(s): 3-edge megasas0-msix3
4-edge megasas0-msix4 i38 derive     Interrupt 38, for device(s): 4-edge megasas0-msix4
5-edge megasas0-msix5 i39 derive     Interrupt 39, for device(s): 5-edge megasas0-msix5
6-edge megasas0-msix6 i40 derive     Interrupt 40, for device(s): 6-edge megasas0-msix6
7-edge megasas0-msix7 i41 derive     Interrupt 41, for device(s): 7-edge megasas0-msix7
8-edge megasas0-msix8 i42 derive     Interrupt 42, for device(s): 8-edge megasas0-msix8
9-edge megasas0-msix9 i43 derive     Interrupt 43, for device(s): 9-edge megasas0-msix9
10-edge megasas0-msix10 i44 derive     Interrupt 44, for device(s): 10-edge megasas0-msix10
11-edge megasas0-msix11 i45 derive     Interrupt 45, for device(s): 11-edge megasas0-msix11
12-edge megasas0-msix12 i46 derive     Interrupt 46, for device(s): 12-edge megasas0-msix12
13-edge megasas0-msix13 i47 derive     Interrupt 47, for device(s): 13-edge megasas0-msix13
14-edge megasas0-msix14 i48 derive     Interrupt 48, for device(s): 14-edge megasas0-msix14
15-edge megasas0-msix15 i49 derive     Interrupt 49, for device(s): 15-edge megasas0-msix15
16-edge megasas0-msix16 i50 derive     Interrupt 50, for device(s): 16-edge megasas0-msix16
0-edge ahci[0000:00:17.0] i51 derive     Interrupt 51, for device(s): 0-edge ahci[0000:00:17.0]
0-edge ahci[0000:17:00.0] i53 derive     Interrupt 53, for device(s): 0-edge ahci[0000:17:00.0]
0-edge xhci_hcd i54 derive     Interrupt 54, for device(s): 0-edge xhci_hcd
0-edge eno1-tx-0 i62 derive     Interrupt 62, for device(s): 0-edge eno1-tx-0
1-edge eno1-rx-1 i63 derive     Interrupt 63, for device(s): 1-edge eno1-rx-1
2-edge eno1-rx-2 i64 derive     Interrupt 64, for device(s): 2-edge eno1-rx-2
3-edge eno1-rx-3 i65 derive     Interrupt 65, for device(s): 3-edge eno1-rx-3
4-edge eno1-rx-4 i66 derive     Interrupt 66, for device(s): 4-edge eno1-rx-4
0-edge eno2-tx-0 i67 derive     Interrupt 67, for device(s): 0-edge eno2-tx-0
1-edge eno2-rx-1 i68 derive     Interrupt 68, for device(s): 1-edge eno2-rx-1
2-edge eno2-rx-2 i69 derive     Interrupt 69, for device(s): 2-edge eno2-rx-2
3-edge eno2-rx-3 i70 derive     Interrupt 70, for device(s): 3-edge eno2-rx-3
4-edge eno2-rx-4 i71 derive     Interrupt 71, for device(s): 4-edge eno2-rx-4
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