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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
16-fasteoi ehci_hcd:usb1 i16 derive     Interrupt 16, for device(s): 16-fasteoi ehci_hcd:usb1
18-fasteoi i801_smbus i18 derive     Interrupt 18, for device(s): 18-fasteoi i801_smbus
23-fasteoi ehci_hcd:usb2 i23 derive     Interrupt 23, for device(s): 23-fasteoi ehci_hcd:usb2
16384-edge PCIe PME i25 derive     Interrupt 25, for device(s): 16384-edge PCIe PME
18432-edge PCIe PME i26 derive     Interrupt 26, for device(s): 18432-edge PCIe PME
32768-edge PCIe PME i28 derive     Interrupt 28, for device(s): 32768-edge PCIe PME
49152-edge PCIe PME i30 derive     Interrupt 30, for device(s): 49152-edge PCIe PME
53248-edge PCIe PME i31 derive     Interrupt 31, for device(s): 53248-edge PCIe PME
278528-edge PCIe PME i32 derive     Interrupt 32, for device(s): 278528-edge PCIe PME
67125248-edge PCIe PME i34 derive     Interrupt 34, for device(s): 67125248-edge PCIe PME
67141632-edge PCIe PME i36 derive     Interrupt 36, for device(s): 67141632-edge PCIe PME
67158016-edge PCIe PME i38 derive     Interrupt 38, for device(s): 67158016-edge PCIe PME
2097152-edge megasas i39 derive     Interrupt 39, for device(s): 2097152-edge megasas
2097153-edge megasas i40 derive     Interrupt 40, for device(s): 2097153-edge megasas
2097154-edge megasas i41 derive     Interrupt 41, for device(s): 2097154-edge megasas
2097155-edge megasas i42 derive     Interrupt 42, for device(s): 2097155-edge megasas
2097156-edge megasas i43 derive     Interrupt 43, for device(s): 2097156-edge megasas
2097157-edge megasas i44 derive     Interrupt 44, for device(s): 2097157-edge megasas
2097158-edge megasas i45 derive     Interrupt 45, for device(s): 2097158-edge megasas
2097159-edge megasas i46 derive     Interrupt 46, for device(s): 2097159-edge megasas
2097160-edge megasas i47 derive     Interrupt 47, for device(s): 2097160-edge megasas
2097161-edge megasas i48 derive     Interrupt 48, for device(s): 2097161-edge megasas
2097162-edge megasas i49 derive     Interrupt 49, for device(s): 2097162-edge megasas
2097163-edge megasas i50 derive     Interrupt 50, for device(s): 2097163-edge megasas
2097164-edge megasas i51 derive     Interrupt 51, for device(s): 2097164-edge megasas
2097165-edge megasas i52 derive     Interrupt 52, for device(s): 2097165-edge megasas
2097166-edge megasas i53 derive     Interrupt 53, for device(s): 2097166-edge megasas
2097167-edge megasas i54 derive     Interrupt 54, for device(s): 2097167-edge megasas
512000-edge ahci[0000:00:1f.2] i58 derive     Interrupt 58, for device(s): 512000-edge ahci[0000:00:1f.2]
1050624-edge enp2s0f1 i60 derive     Interrupt 60, for device(s): 1050624-edge enp2s0f1
1050625-edge enp2s0f1-TxRx-0 i61 derive     Interrupt 61, for device(s): 1050625-edge enp2s0f1-TxRx-0
65536-edge ioat-msix i63 derive     Interrupt 63, for device(s): 65536-edge ioat-msix
67584-edge ioat-msix i65 derive     Interrupt 65, for device(s): 67584-edge ioat-msix
69632-edge ioat-msix i66 derive     Interrupt 66, for device(s): 69632-edge ioat-msix
71680-edge ioat-msix i67 derive     Interrupt 67, for device(s): 71680-edge ioat-msix
73728-edge ioat-msix i68 derive     Interrupt 68, for device(s): 73728-edge ioat-msix
75776-edge ioat-msix i69 derive     Interrupt 69, for device(s): 75776-edge ioat-msix
77824-edge ioat-msix i70 derive     Interrupt 70, for device(s): 77824-edge ioat-msix
79872-edge ioat-msix i71 derive     Interrupt 71, for device(s): 79872-edge ioat-msix
0-edge dmar0 i72 derive     Interrupt 72, for device(s): 0-edge dmar0
1-edge dmar1 i73 derive     Interrupt 73, for device(s): 1-edge dmar1
67174400-edge ioat-msix i75 derive     Interrupt 75, for device(s): 67174400-edge ioat-msix
67176448-edge ioat-msix i77 derive     Interrupt 77, for device(s): 67176448-edge ioat-msix
67178496-edge ioat-msix i78 derive     Interrupt 78, for device(s): 67178496-edge ioat-msix
67180544-edge ioat-msix i79 derive     Interrupt 79, for device(s): 67180544-edge ioat-msix
67182592-edge ioat-msix i80 derive     Interrupt 80, for device(s): 67182592-edge ioat-msix
67184640-edge ioat-msix i81 derive     Interrupt 81, for device(s): 67184640-edge ioat-msix
67186688-edge ioat-msix i82 derive     Interrupt 82, for device(s): 67186688-edge ioat-msix
67188736-edge ioat-msix i83 derive     Interrupt 83, for device(s): 67188736-edge ioat-msix
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
Hypervisor callback interrupts iHYP derive     Interrupt HYP, for device(s): Hypervisor callback interrupts
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