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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
i8042 i1 derive     Interrupt 1, for device(s): i8042
rtc0 i8 derive     Interrupt 8, for device(s): rtc0
acpi i9 derive     Interrupt 9, for device(s): acpi
i8042 i12 derive     Interrupt 12, for device(s): i8042
ata_piix i14 derive     Interrupt 14, for device(s): ata_piix
ata_piix i15 derive     Interrupt 15, for device(s): ata_piix
megasas i18 derive     Interrupt 18, for device(s): megasas
radeon i19 derive     Interrupt 19, for device(s): radeon
uhci_hcd:usb3 i20 derive     Interrupt 20, for device(s): uhci_hcd:usb3
ehci_hcd:usb1, uhci_hcd:usb2, uhci_hcd:usb4 i21 derive     Interrupt 21, for device(s): ehci_hcd:usb1, uhci_hcd:usb2, uhci_hcd:usb4
timer0 i104 derive     Interrupt 104, for device(s): timer0
spinlock0 i105 derive     Interrupt 105, for device(s): spinlock0
resched0 i106 derive     Interrupt 106, for device(s): resched0
callfunc0 i107 derive     Interrupt 107, for device(s): callfunc0
debug0 i108 derive     Interrupt 108, for device(s): debug0
callfuncsingle0 i109 derive     Interrupt 109, for device(s): callfuncsingle0
irqwork0 i110 derive     Interrupt 110, for device(s): irqwork0
timer1 i111 derive     Interrupt 111, for device(s): timer1
spinlock1 i112 derive     Interrupt 112, for device(s): spinlock1
resched1 i113 derive     Interrupt 113, for device(s): resched1
callfunc1 i114 derive     Interrupt 114, for device(s): callfunc1
debug1 i115 derive     Interrupt 115, for device(s): debug1
callfuncsingle1 i116 derive     Interrupt 116, for device(s): callfuncsingle1
irqwork1 i117 derive     Interrupt 117, for device(s): irqwork1
timer2 i118 derive     Interrupt 118, for device(s): timer2
spinlock2 i119 derive     Interrupt 119, for device(s): spinlock2
resched2 i120 derive     Interrupt 120, for device(s): resched2
callfunc2 i121 derive     Interrupt 121, for device(s): callfunc2
debug2 i122 derive     Interrupt 122, for device(s): debug2
callfuncsingle2 i123 derive     Interrupt 123, for device(s): callfuncsingle2
irqwork2 i124 derive     Interrupt 124, for device(s): irqwork2
timer3 i125 derive     Interrupt 125, for device(s): timer3
spinlock3 i126 derive     Interrupt 126, for device(s): spinlock3
resched3 i127 derive     Interrupt 127, for device(s): resched3
callfunc3 i128 derive     Interrupt 128, for device(s): callfunc3
debug3 i129 derive     Interrupt 129, for device(s): debug3
callfuncsingle3 i130 derive     Interrupt 130, for device(s): callfuncsingle3
irqwork3 i131 derive     Interrupt 131, for device(s): irqwork3
timer4 i132 derive     Interrupt 132, for device(s): timer4
spinlock4 i133 derive     Interrupt 133, for device(s): spinlock4
resched4 i134 derive     Interrupt 134, for device(s): resched4
callfunc4 i135 derive     Interrupt 135, for device(s): callfunc4
debug4 i136 derive     Interrupt 136, for device(s): debug4
callfuncsingle4 i137 derive     Interrupt 137, for device(s): callfuncsingle4
irqwork4 i138 derive     Interrupt 138, for device(s): irqwork4
timer5 i139 derive     Interrupt 139, for device(s): timer5
spinlock5 i140 derive     Interrupt 140, for device(s): spinlock5
resched5 i141 derive     Interrupt 141, for device(s): resched5
callfunc5 i142 derive     Interrupt 142, for device(s): callfunc5
debug5 i143 derive     Interrupt 143, for device(s): debug5
callfuncsingle5 i144 derive     Interrupt 144, for device(s): callfuncsingle5
irqwork5 i145 derive     Interrupt 145, for device(s): irqwork5
timer6 i146 derive     Interrupt 146, for device(s): timer6
spinlock6 i147 derive     Interrupt 147, for device(s): spinlock6
resched6 i148 derive     Interrupt 148, for device(s): resched6
callfunc6 i149 derive     Interrupt 149, for device(s): callfunc6
debug6 i150 derive     Interrupt 150, for device(s): debug6
callfuncsingle6 i151 derive     Interrupt 151, for device(s): callfuncsingle6
irqwork6 i152 derive     Interrupt 152, for device(s): irqwork6
timer7 i153 derive     Interrupt 153, for device(s): timer7
spinlock7 i154 derive     Interrupt 154, for device(s): spinlock7
resched7 i155 derive     Interrupt 155, for device(s): resched7
callfunc7 i156 derive     Interrupt 156, for device(s): callfunc7
debug7 i157 derive     Interrupt 157, for device(s): debug7
callfuncsingle7 i158 derive     Interrupt 158, for device(s): callfuncsingle7
irqwork7 i159 derive     Interrupt 159, for device(s): irqwork7
xenbus i160 derive     Interrupt 160, for device(s): xenbus
xen-pcpu i161 derive     Interrupt 161, for device(s): xen-pcpu
PCIe PME i162 derive     Interrupt 162, for device(s): PCIe PME
PCIe PME i163 derive     Interrupt 163, for device(s): PCIe PME
PCIe PME i164 derive     Interrupt 164, for device(s): PCIe PME
PCIe PME i165 derive     Interrupt 165, for device(s): PCIe PME
PCIe PME i166 derive     Interrupt 166, for device(s): PCIe PME
PCIe PME i167 derive     Interrupt 167, for device(s): PCIe PME
PCIe PME i168 derive     Interrupt 168, for device(s): PCIe PME
mce i169 derive     Interrupt 169, for device(s): mce
eth0 i171 derive     Interrupt 171, for device(s): eth0
evtchn:xenstored i172 derive     Interrupt 172, for device(s): evtchn:xenstored
evtchn:xenstored i173 derive     Interrupt 173, for device(s): evtchn:xenstored
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
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