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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
18-fasteoi ehci_hcd:usb1, ehci_hcd:usb2 i18 derive     Interrupt 18, for device(s): 18-fasteoi ehci_hcd:usb1, ehci_hcd:usb2
16384-edge PCIe PME i25 derive     Interrupt 25, for device(s): 16384-edge PCIe PME
32768-edge PCIe PME i26 derive     Interrupt 26, for device(s): 32768-edge PCIe PME
49152-edge PCIe PME i27 derive     Interrupt 27, for device(s): 49152-edge PCIe PME
53248-edge PCIe PME i28 derive     Interrupt 28, for device(s): 53248-edge PCIe PME
458752-edge PCIe PME i29 derive     Interrupt 29, for device(s): 458752-edge PCIe PME
466944-edge PCIe PME i30 derive     Interrupt 30, for device(s): 466944-edge PCIe PME
473088-edge PCIe PME i31 derive     Interrupt 31, for device(s): 473088-edge PCIe PME
67125248-edge PCIe PME i33 derive     Interrupt 33, for device(s): 67125248-edge PCIe PME
67158016-edge PCIe PME i34 derive     Interrupt 34, for device(s): 67158016-edge PCIe PME
1048576-edge megasas i36 derive     Interrupt 36, for device(s): 1048576-edge megasas
1048577-edge megasas i37 derive     Interrupt 37, for device(s): 1048577-edge megasas
1048578-edge megasas i38 derive     Interrupt 38, for device(s): 1048578-edge megasas
1048579-edge megasas i39 derive     Interrupt 39, for device(s): 1048579-edge megasas
1048580-edge megasas i40 derive     Interrupt 40, for device(s): 1048580-edge megasas
1048581-edge megasas i41 derive     Interrupt 41, for device(s): 1048581-edge megasas
1048582-edge megasas i42 derive     Interrupt 42, for device(s): 1048582-edge megasas
1048583-edge megasas i43 derive     Interrupt 43, for device(s): 1048583-edge megasas
1048584-edge megasas i44 derive     Interrupt 44, for device(s): 1048584-edge megasas
1048585-edge megasas i45 derive     Interrupt 45, for device(s): 1048585-edge megasas
1048586-edge megasas i46 derive     Interrupt 46, for device(s): 1048586-edge megasas
1048587-edge megasas i47 derive     Interrupt 47, for device(s): 1048587-edge megasas
1048588-edge megasas i48 derive     Interrupt 48, for device(s): 1048588-edge megasas
1048589-edge megasas i49 derive     Interrupt 49, for device(s): 1048589-edge megasas
1048590-edge megasas i50 derive     Interrupt 50, for device(s): 1048590-edge megasas
1048591-edge megasas i51 derive     Interrupt 51, for device(s): 1048591-edge megasas
1048592-edge megasas i52 derive     Interrupt 52, for device(s): 1048592-edge megasas
1048593-edge megasas i53 derive     Interrupt 53, for device(s): 1048593-edge megasas
1048594-edge megasas i54 derive     Interrupt 54, for device(s): 1048594-edge megasas
1048595-edge megasas i55 derive     Interrupt 55, for device(s): 1048595-edge megasas
1048596-edge megasas i56 derive     Interrupt 56, for device(s): 1048596-edge megasas
1048597-edge megasas i57 derive     Interrupt 57, for device(s): 1048597-edge megasas
1048598-edge megasas i58 derive     Interrupt 58, for device(s): 1048598-edge megasas
1048599-edge megasas i59 derive     Interrupt 59, for device(s): 1048599-edge megasas
1048600-edge megasas i60 derive     Interrupt 60, for device(s): 1048600-edge megasas
1048601-edge megasas i61 derive     Interrupt 61, for device(s): 1048601-edge megasas
1048602-edge megasas i62 derive     Interrupt 62, for device(s): 1048602-edge megasas
1048603-edge megasas i63 derive     Interrupt 63, for device(s): 1048603-edge megasas
1048604-edge megasas i64 derive     Interrupt 64, for device(s): 1048604-edge megasas
1048605-edge megasas i65 derive     Interrupt 65, for device(s): 1048605-edge megasas
1048606-edge megasas i66 derive     Interrupt 66, for device(s): 1048606-edge megasas
1048607-edge megasas i67 derive     Interrupt 67, for device(s): 1048607-edge megasas
1048608-edge megasas i68 derive     Interrupt 68, for device(s): 1048608-edge megasas
1048609-edge megasas i69 derive     Interrupt 69, for device(s): 1048609-edge megasas
1048610-edge megasas i70 derive     Interrupt 70, for device(s): 1048610-edge megasas
1048611-edge megasas i71 derive     Interrupt 71, for device(s): 1048611-edge megasas
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
1048612-edge megasas i74 derive     Interrupt 74, for device(s): 1048612-edge megasas
1048613-edge megasas i75 derive     Interrupt 75, for device(s): 1048613-edge megasas
1048614-edge megasas i76 derive     Interrupt 76, for device(s): 1048614-edge megasas
1048615-edge megasas i77 derive     Interrupt 77, for device(s): 1048615-edge megasas
286720-edge ahci[0000:00:11.4] i78 derive     Interrupt 78, for device(s): 286720-edge ahci[0000:00:11.4]
512000-edge ahci[0000:00:1f.2] i79 derive     Interrupt 79, for device(s): 512000-edge ahci[0000:00:1f.2]
524288-edge eno1-TxRx-0 i99 derive     Interrupt 99, for device(s): 524288-edge eno1-TxRx-0
524289-edge eno1-TxRx-1 i100 derive     Interrupt 100, for device(s): 524289-edge eno1-TxRx-1
524290-edge eno1-TxRx-2 i101 derive     Interrupt 101, for device(s): 524290-edge eno1-TxRx-2
524291-edge eno1-TxRx-3 i102 derive     Interrupt 102, for device(s): 524291-edge eno1-TxRx-3
524292-edge eno1 i103 derive     Interrupt 103, for device(s): 524292-edge eno1
526336-edge eno2-TxRx-0 i116 derive     Interrupt 116, for device(s): 526336-edge eno2-TxRx-0
526337-edge eno2-TxRx-1 i117 derive     Interrupt 117, for device(s): 526337-edge eno2-TxRx-1
526338-edge eno2-TxRx-2 i118 derive     Interrupt 118, for device(s): 526338-edge eno2-TxRx-2
526339-edge eno2-TxRx-3 i119 derive     Interrupt 119, for device(s): 526339-edge eno2-TxRx-3
526340-edge eno2 i120 derive     Interrupt 120, for device(s): 526340-edge eno2
788480-edge vfio-msix[0](0000:01:10.1) i121 derive     Interrupt 121, for device(s): 788480-edge vfio-msix[0](0000:01:10.1)
788481-edge vfio-msix[1](0000:01:10.1) i122 derive     Interrupt 122, for device(s): 788481-edge vfio-msix[1](0000:01:10.1)
788482-edge vfio-msix[2](0000:01:10.1) i123 derive     Interrupt 123, for device(s): 788482-edge vfio-msix[2](0000:01:10.1)
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