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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
timer i0 derive     Interrupt 0, for device(s): timer
rtc0 i8 derive     Interrupt 8, for device(s): rtc0
acpi i9 derive     Interrupt 9, for device(s): acpi
ipmi_si i10 derive     Interrupt 10, for device(s): ipmi_si
ehci_hcd:usb1, ehci_hcd:usb2 i18 derive     Interrupt 18, for device(s): ehci_hcd:usb1, ehci_hcd:usb2
dmar0 i48 derive     Interrupt 48, for device(s): dmar0
hpet2 i49 derive     Interrupt 49, for device(s): hpet2
hpet3 i50 derive     Interrupt 50, for device(s): hpet3
hpet4 i51 derive     Interrupt 51, for device(s): hpet4
hpet5 i52 derive     Interrupt 52, for device(s): hpet5
hpet6 i53 derive     Interrupt 53, for device(s): hpet6
pciehp i57 derive     Interrupt 57, for device(s): pciehp
megasas i61 derive     Interrupt 61, for device(s): megasas
megasas i62 derive     Interrupt 62, for device(s): megasas
megasas i63 derive     Interrupt 63, for device(s): megasas
megasas i64 derive     Interrupt 64, for device(s): megasas
megasas i65 derive     Interrupt 65, for device(s): megasas
megasas i66 derive     Interrupt 66, for device(s): megasas
megasas i67 derive     Interrupt 67, for device(s): megasas
megasas i68 derive     Interrupt 68, for device(s): megasas
megasas i69 derive     Interrupt 69, for device(s): megasas
megasas i70 derive     Interrupt 70, for device(s): megasas
megasas i71 derive     Interrupt 71, for device(s): megasas
megasas i72 derive     Interrupt 72, for device(s): megasas
megasas i73 derive     Interrupt 73, for device(s): megasas
megasas i74 derive     Interrupt 74, for device(s): megasas
megasas i75 derive     Interrupt 75, for device(s): megasas
megasas i76 derive     Interrupt 76, for device(s): megasas
megasas i77 derive     Interrupt 77, for device(s): megasas
megasas i78 derive     Interrupt 78, for device(s): megasas
megasas i79 derive     Interrupt 79, for device(s): megasas
megasas i80 derive     Interrupt 80, for device(s): megasas
megasas i81 derive     Interrupt 81, for device(s): megasas
megasas i82 derive     Interrupt 82, for device(s): megasas
megasas i83 derive     Interrupt 83, for device(s): megasas
megasas i84 derive     Interrupt 84, for device(s): megasas
megasas i85 derive     Interrupt 85, for device(s): megasas
megasas i86 derive     Interrupt 86, for device(s): megasas
megasas i87 derive     Interrupt 87, for device(s): megasas
megasas i88 derive     Interrupt 88, for device(s): megasas
ahci i89 derive     Interrupt 89, for device(s): ahci
ahci i90 derive     Interrupt 90, for device(s): ahci
em1-tx-0 i91 derive     Interrupt 91, for device(s): em1-tx-0
em1-rx-1 i92 derive     Interrupt 92, for device(s): em1-rx-1
em1-rx-2 i93 derive     Interrupt 93, for device(s): em1-rx-2
em1-rx-3 i94 derive     Interrupt 94, for device(s): em1-rx-3
em1-rx-4 i95 derive     Interrupt 95, for device(s): em1-rx-4
em2-tx-0 i96 derive     Interrupt 96, for device(s): em2-tx-0
em2-rx-1 i97 derive     Interrupt 97, for device(s): em2-rx-1
em2-rx-2 i98 derive     Interrupt 98, for device(s): em2-rx-2
em2-rx-3 i99 derive     Interrupt 99, for device(s): em2-rx-3
em2-rx-4 i100 derive     Interrupt 100, for device(s): em2-rx-4
em3-tx-0 i101 derive     Interrupt 101, for device(s): em3-tx-0
em3-rx-1 i102 derive     Interrupt 102, for device(s): em3-rx-1
em3-rx-2 i103 derive     Interrupt 103, for device(s): em3-rx-2
em3-rx-3 i104 derive     Interrupt 104, for device(s): em3-rx-3
em3-rx-4 i105 derive     Interrupt 105, for device(s): em3-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
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
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