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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
-ioapic-edge rtc0 i8 derive     Interrupt 8, for device(s): -ioapic-edge rtc0
-ioapic-level acpi i9 derive     Interrupt 9, for device(s): -ioapic-level acpi
16 i16 derive     Interrupt 16, for device(s): -ioapic-level i801_smbus, idma64.0, i2c_designware.0
-ioapic-level idma64.1, i2c_designware.1 i17 derive     Interrupt 17, for device(s): -ioapic-level idma64.1, i2c_designware.1
-ioapic-level mmc0 i19 derive     Interrupt 19, for device(s): -ioapic-level mmc0
-ioapic-level idma64.2 i20 derive     Interrupt 20, for device(s): -ioapic-level idma64.2
-virq timer0 i120 derive     Interrupt 120, for device(s): -virq timer0
-ipi spinlock0 i121 derive     Interrupt 121, for device(s): -ipi spinlock0
-ipi resched0 i122 derive     Interrupt 122, for device(s): -ipi resched0
-ipi callfunc0 i123 derive     Interrupt 123, for device(s): -ipi callfunc0
-virq debug0 i124 derive     Interrupt 124, for device(s): -virq debug0
-ipi callfuncsingle0 i125 derive     Interrupt 125, for device(s): -ipi callfuncsingle0
-ipi irqwork0 i126 derive     Interrupt 126, for device(s): -ipi irqwork0
-virq timer1 i127 derive     Interrupt 127, for device(s): -virq timer1
-ipi resched1 i128 derive     Interrupt 128, for device(s): -ipi resched1
-ipi callfunc1 i129 derive     Interrupt 129, for device(s): -ipi callfunc1
-virq debug1 i130 derive     Interrupt 130, for device(s): -virq debug1
-ipi callfuncsingle1 i131 derive     Interrupt 131, for device(s): -ipi callfuncsingle1
-ipi irqwork1 i132 derive     Interrupt 132, for device(s): -ipi irqwork1
-ipi spinlock1 i133 derive     Interrupt 133, for device(s): -ipi spinlock1
-virq timer2 i134 derive     Interrupt 134, for device(s): -virq timer2
-ipi resched2 i135 derive     Interrupt 135, for device(s): -ipi resched2
-ipi callfunc2 i136 derive     Interrupt 136, for device(s): -ipi callfunc2
-virq debug2 i137 derive     Interrupt 137, for device(s): -virq debug2
-ipi callfuncsingle2 i138 derive     Interrupt 138, for device(s): -ipi callfuncsingle2
-ipi irqwork2 i139 derive     Interrupt 139, for device(s): -ipi irqwork2
-ipi spinlock2 i140 derive     Interrupt 140, for device(s): -ipi spinlock2
-virq timer3 i141 derive     Interrupt 141, for device(s): -virq timer3
-ipi resched3 i142 derive     Interrupt 142, for device(s): -ipi resched3
-ipi callfunc3 i143 derive     Interrupt 143, for device(s): -ipi callfunc3
-virq debug3 i144 derive     Interrupt 144, for device(s): -virq debug3
-ipi callfuncsingle3 i145 derive     Interrupt 145, for device(s): -ipi callfuncsingle3
-ipi irqwork3 i146 derive     Interrupt 146, for device(s): -ipi irqwork3
-ipi spinlock3 i147 derive     Interrupt 147, for device(s): -ipi spinlock3
-virq timer4 i148 derive     Interrupt 148, for device(s): -virq timer4
-ipi resched4 i149 derive     Interrupt 149, for device(s): -ipi resched4
-ipi callfunc4 i150 derive     Interrupt 150, for device(s): -ipi callfunc4
-virq debug4 i151 derive     Interrupt 151, for device(s): -virq debug4
-ipi callfuncsingle4 i152 derive     Interrupt 152, for device(s): -ipi callfuncsingle4
-ipi irqwork4 i153 derive     Interrupt 153, for device(s): -ipi irqwork4
-ipi spinlock4 i154 derive     Interrupt 154, for device(s): -ipi spinlock4
-virq timer5 i155 derive     Interrupt 155, for device(s): -virq timer5
-ipi resched5 i156 derive     Interrupt 156, for device(s): -ipi resched5
-ipi callfunc5 i157 derive     Interrupt 157, for device(s): -ipi callfunc5
-virq debug5 i158 derive     Interrupt 158, for device(s): -virq debug5
-ipi callfuncsingle5 i159 derive     Interrupt 159, for device(s): -ipi callfuncsingle5
-ipi irqwork5 i160 derive     Interrupt 160, for device(s): -ipi irqwork5
-ipi spinlock5 i161 derive     Interrupt 161, for device(s): -ipi spinlock5
-virq timer6 i162 derive     Interrupt 162, for device(s): -virq timer6
-ipi resched6 i163 derive     Interrupt 163, for device(s): -ipi resched6
-ipi callfunc6 i164 derive     Interrupt 164, for device(s): -ipi callfunc6
-virq debug6 i165 derive     Interrupt 165, for device(s): -virq debug6
-ipi callfuncsingle6 i166 derive     Interrupt 166, for device(s): -ipi callfuncsingle6
-ipi irqwork6 i167 derive     Interrupt 167, for device(s): -ipi irqwork6
-ipi spinlock6 i168 derive     Interrupt 168, for device(s): -ipi spinlock6
-virq timer7 i169 derive     Interrupt 169, for device(s): -virq timer7
-ipi resched7 i170 derive     Interrupt 170, for device(s): -ipi resched7
-ipi callfunc7 i171 derive     Interrupt 171, for device(s): -ipi callfunc7
-virq debug7 i172 derive     Interrupt 172, for device(s): -virq debug7
-ipi callfuncsingle7 i173 derive     Interrupt 173, for device(s): -ipi callfuncsingle7
-ipi irqwork7 i174 derive     Interrupt 174, for device(s): -ipi irqwork7
-ipi spinlock7 i175 derive     Interrupt 175, for device(s): -ipi spinlock7
-event xenbus i176 derive     Interrupt 176, for device(s): -event xenbus
-virq xen-pcpu i177 derive     Interrupt 177, for device(s): -virq xen-pcpu
-msi PCIe PME i178 derive     Interrupt 178, for device(s): -msi PCIe PME
-msi PCIe PME i179 derive     Interrupt 179, for device(s): -msi PCIe PME
-msi PCIe PME i180 derive     Interrupt 180, for device(s): -msi PCIe PME
-msi PCIe PME i181 derive     Interrupt 181, for device(s): -msi PCIe PME
-msi PCIe PME i182 derive     Interrupt 182, for device(s): -msi PCIe PME
-msi PCIe PME i183 derive     Interrupt 183, for device(s): -msi PCIe PME
-msi PCIe PME i184 derive     Interrupt 184, for device(s): -msi PCIe PME
-msi PCIe PME i185 derive     Interrupt 185, for device(s): -msi PCIe PME
-msi PCIe PME i186 derive     Interrupt 186, for device(s): -msi PCIe PME
-msi PCIe PME i187 derive     Interrupt 187, for device(s): -msi PCIe PME
-virq mce i188 derive     Interrupt 188, for device(s): -virq mce
-virq hvc_console i189 derive     Interrupt 189, for device(s): -virq hvc_console
-msi xhci_hcd i190 derive     Interrupt 190, for device(s): -msi xhci_hcd
-msi ahci[0000:00:17.0] i191 derive     Interrupt 191, for device(s): -msi ahci[0000:00:17.0]
-msi-x eth0 i192 derive     Interrupt 192, for device(s): -msi-x eth0
-msi-x eth0-TxRx-0 i193 derive     Interrupt 193, for device(s): -msi-x eth0-TxRx-0
-msi-x eth3 i194 derive     Interrupt 194, for device(s): -msi-x eth3
-msi-x eth4-0 i195 derive     Interrupt 195, for device(s): -msi-x eth4-0
-msi-x eth4-ptp i196 derive     Interrupt 196, for device(s): -msi-x eth4-ptp
-msi-x eth5-0 i197 derive     Interrupt 197, for device(s): -msi-x eth5-0
-msi-x eth5-ptp i198 derive     Interrupt 198, for device(s): -msi-x eth5-ptp
-msi-x eth1 i199 derive     Interrupt 199, for device(s): -msi-x eth1
-msi-x eth1-TxRx-0 i200 derive     Interrupt 200, for device(s): -msi-x eth1-TxRx-0
-msi-x eth2 i201 derive     Interrupt 201, for device(s): -msi-x eth2
-msi-x eth2-TxRx-0 i202 derive     Interrupt 202, for device(s): -msi-x eth2-TxRx-0
-msi-x nvme0q0 i203 derive     Interrupt 203, for device(s): -msi-x nvme0q0
-msi-x nvme0q1 i204 derive     Interrupt 204, for device(s): -msi-x nvme0q1
-msi-x nvme0q2 i205 derive     Interrupt 205, for device(s): -msi-x nvme0q2
-msi-x nvme0q3 i206 derive     Interrupt 206, for device(s): -msi-x nvme0q3
-msi-x nvme0q4 i207 derive     Interrupt 207, for device(s): -msi-x nvme0q4
-msi-x nvme0q5 i208 derive     Interrupt 208, for device(s): -msi-x nvme0q5
-msi-x nvme0q6 i209 derive     Interrupt 209, for device(s): -msi-x nvme0q6
-msi-x nvme0q7 i210 derive     Interrupt 210, for device(s): -msi-x nvme0q7
-msi-x nvme0q8 i211 derive     Interrupt 211, for device(s): -msi-x nvme0q8
-msi-x eth3-TxRx-0 i212 derive     Interrupt 212, for device(s): -msi-x eth3-TxRx-0
-event evtchn:oxenstored i213 derive     Interrupt 213, for device(s): -event evtchn:oxenstored
-event evtchn:oxenstored i214 derive     Interrupt 214, for device(s): -event evtchn:oxenstored
-event evtchn:xenconsoled i215 derive     Interrupt 215, for device(s): -event evtchn:xenconsoled
-event evtchn:oxenstored i216 derive     Interrupt 216, for device(s): -event evtchn:oxenstored
-event evtchn:xenconsoled i217 derive     Interrupt 217, for device(s): -event evtchn:xenconsoled
-event evtchn:qemu-system-i38 i218 derive     Interrupt 218, for device(s): -event evtchn:qemu-system-i38
-event evtchn:qemu-system-i38 i219 derive     Interrupt 219, for device(s): -event evtchn:qemu-system-i38
-event evtchn:oxenstored i220 derive     Interrupt 220, for device(s): -event evtchn:oxenstored
-event evtchn:xenconsoled i221 derive     Interrupt 221, for device(s): -event evtchn:xenconsoled
-event evtchn:qemu-system-i38 i222 derive     Interrupt 222, for device(s): -event evtchn:qemu-system-i38
-event evtchn:qemu-system-i38 i223 derive     Interrupt 223, for device(s): -event evtchn:qemu-system-i38
-event evtchn:oxenstored i233 derive     Interrupt 233, for device(s): -event evtchn:oxenstored
-event evtchn:xenconsoled i234 derive     Interrupt 234, for device(s): -event evtchn:xenconsoled
-event evtchn:qemu-system-i38 i235 derive     Interrupt 235, for device(s): -event evtchn:qemu-system-i38
-event evtchn:qemu-system-i38 i236 derive     Interrupt 236, for device(s): -event evtchn:qemu-system-i38
-event evtchn:oxenstored i237 derive     Interrupt 237, for device(s): -event evtchn:oxenstored
-event evtchn:xenconsoled i238 derive     Interrupt 238, for device(s): -event evtchn:xenconsoled
-event evtchn:qemu-system-i38 i239 derive     Interrupt 239, for device(s): -event evtchn:qemu-system-i38
-event evtchn:qemu-system-i38 i240 derive     Interrupt 240, for device(s): -event evtchn:qemu-system-i38
-event evtchn:tapdisk i241 derive     Interrupt 241, for device(s): -event evtchn:tapdisk
-event vif13.0-q0-tx i242 derive     Interrupt 242, for device(s): -event vif13.0-q0-tx
-event vif13.0-q0-rx i243 derive     Interrupt 243, for device(s): -event vif13.0-q0-rx
-event evtchn:tapdisk i244 derive     Interrupt 244, for device(s): -event evtchn:tapdisk
-event vif2.0-q0-tx i245 derive     Interrupt 245, for device(s): -event vif2.0-q0-tx
-event vif2.0-q0-rx i246 derive     Interrupt 246, for device(s): -event vif2.0-q0-rx
-event evtchn:tapdisk i247 derive     Interrupt 247, for device(s): -event evtchn:tapdisk
-event evtchn:tapdisk i248 derive     Interrupt 248, for device(s): -event evtchn:tapdisk
-event vif14.0-q0-tx i249 derive     Interrupt 249, for device(s): -event vif14.0-q0-tx
-event vif14.0-q0-rx i250 derive     Interrupt 250, for device(s): -event vif14.0-q0-rx
-event evtchn:tapdisk i251 derive     Interrupt 251, for device(s): -event evtchn:tapdisk
-event evtchn:tapdisk i252 derive     Interrupt 252, for device(s): -event evtchn:tapdisk
-event evtchn:tapdisk i253 derive     Interrupt 253, for device(s): -event evtchn:tapdisk
-event vif5.0-q0-tx i254 derive     Interrupt 254, for device(s): -event vif5.0-q0-tx
-event vif5.0-q0-rx i255 derive     Interrupt 255, for device(s): -event vif5.0-q0-rx
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
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