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 |
dmar0 |
i120 |
derive |
|
|
Interrupt 120, for device(s): dmar0 |
hpet2 |
i121 |
derive |
|
|
Interrupt 121, for device(s): hpet2 |
hpet3 |
i122 |
derive |
|
|
Interrupt 122, for device(s): hpet3 |
hpet4 |
i123 |
derive |
|
|
Interrupt 123, for device(s): hpet4 |
hpet5 |
i124 |
derive |
|
|
Interrupt 124, for device(s): hpet5 |
megasas |
i129 |
derive |
|
|
Interrupt 129, for device(s): megasas |
megasas |
i130 |
derive |
|
|
Interrupt 130, for device(s): megasas |
megasas |
i131 |
derive |
|
|
Interrupt 131, for device(s): megasas |
megasas |
i132 |
derive |
|
|
Interrupt 132, for device(s): megasas |
xhci_hcd |
i133 |
derive |
|
|
Interrupt 133, for device(s): xhci_hcd |
ahci |
i134 |
derive |
|
|
Interrupt 134, for device(s): ahci |
eth0-tx-0 |
i135 |
derive |
|
|
Interrupt 135, for device(s): eth0-tx-0 |
eth0-rx-1 |
i136 |
derive |
|
|
Interrupt 136, for device(s): eth0-rx-1 |
eth0-rx-2 |
i137 |
derive |
|
|
Interrupt 137, for device(s): eth0-rx-2 |
eth0-rx-3 |
i138 |
derive |
|
|
Interrupt 138, for device(s): eth0-rx-3 |
eth0-rx-4 |
i139 |
derive |
|
|
Interrupt 139, for device(s): eth0-rx-4 |
eth1-tx-0 |
i140 |
derive |
|
|
Interrupt 140, for device(s): eth1-tx-0 |
eth1-rx-1 |
i141 |
derive |
|
|
Interrupt 141, for device(s): eth1-rx-1 |
eth1-rx-2 |
i142 |
derive |
|
|
Interrupt 142, for device(s): eth1-rx-2 |
eth1-rx-3 |
i143 |
derive |
|
|
Interrupt 143, for device(s): eth1-rx-3 |
eth1-rx-4 |
i144 |
derive |
|
|
Interrupt 144, for device(s): eth1-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 |
|
|
|