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 |
|
|
|