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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
-ioapic-level i801_smbus i17 derive     Interrupt 17, for device(s): -ioapic-level i801_smbus
18 i18 derive     Interrupt 18, for device(s): -ioapic-level ehci_hcd:usb1, ehci_hcd:usb4, i801_smbus
-ioapic-level xhci-hcd:usb2 i19 derive     Interrupt 19, for device(s): -ioapic-level xhci-hcd:usb2
-virq timer0 i72 derive     Interrupt 72, for device(s): -virq timer0
-ipi spinlock0 i73 derive     Interrupt 73, for device(s): -ipi spinlock0
-ipi resched0 i74 derive     Interrupt 74, for device(s): -ipi resched0
-ipi callfunc0 i75 derive     Interrupt 75, for device(s): -ipi callfunc0
-virq debug0 i76 derive     Interrupt 76, for device(s): -virq debug0
-ipi callfuncsingle0 i77 derive     Interrupt 77, for device(s): -ipi callfuncsingle0
-ipi irqwork0 i78 derive     Interrupt 78, for device(s): -ipi irqwork0
-virq timer1 i79 derive     Interrupt 79, for device(s): -virq timer1
-ipi resched1 i80 derive     Interrupt 80, for device(s): -ipi resched1
-ipi callfunc1 i81 derive     Interrupt 81, for device(s): -ipi callfunc1
-virq debug1 i82 derive     Interrupt 82, for device(s): -virq debug1
-ipi callfuncsingle1 i83 derive     Interrupt 83, for device(s): -ipi callfuncsingle1
-ipi irqwork1 i84 derive     Interrupt 84, for device(s): -ipi irqwork1
-ipi spinlock1 i85 derive     Interrupt 85, for device(s): -ipi spinlock1
-virq timer2 i86 derive     Interrupt 86, for device(s): -virq timer2
-ipi resched2 i87 derive     Interrupt 87, for device(s): -ipi resched2
-ipi callfunc2 i88 derive     Interrupt 88, for device(s): -ipi callfunc2
-virq debug2 i89 derive     Interrupt 89, for device(s): -virq debug2
-ipi callfuncsingle2 i90 derive     Interrupt 90, for device(s): -ipi callfuncsingle2
-ipi irqwork2 i91 derive     Interrupt 91, for device(s): -ipi irqwork2
-ipi spinlock2 i92 derive     Interrupt 92, for device(s): -ipi spinlock2
-virq timer3 i93 derive     Interrupt 93, for device(s): -virq timer3
-ipi resched3 i94 derive     Interrupt 94, for device(s): -ipi resched3
-ipi callfunc3 i95 derive     Interrupt 95, for device(s): -ipi callfunc3
-virq debug3 i96 derive     Interrupt 96, for device(s): -virq debug3
-ipi callfuncsingle3 i97 derive     Interrupt 97, for device(s): -ipi callfuncsingle3
-ipi irqwork3 i98 derive     Interrupt 98, for device(s): -ipi irqwork3
-ipi spinlock3 i99 derive     Interrupt 99, for device(s): -ipi spinlock3
-virq timer4 i100 derive     Interrupt 100, for device(s): -virq timer4
-ipi resched4 i101 derive     Interrupt 101, for device(s): -ipi resched4
-ipi callfunc4 i102 derive     Interrupt 102, for device(s): -ipi callfunc4
-virq debug4 i103 derive     Interrupt 103, for device(s): -virq debug4
-ipi callfuncsingle4 i104 derive     Interrupt 104, for device(s): -ipi callfuncsingle4
-ipi irqwork4 i105 derive     Interrupt 105, for device(s): -ipi irqwork4
-ipi spinlock4 i106 derive     Interrupt 106, for device(s): -ipi spinlock4
-virq timer5 i107 derive     Interrupt 107, for device(s): -virq timer5
-ipi resched5 i108 derive     Interrupt 108, for device(s): -ipi resched5
-ipi callfunc5 i109 derive     Interrupt 109, for device(s): -ipi callfunc5
-virq debug5 i110 derive     Interrupt 110, for device(s): -virq debug5
-ipi callfuncsingle5 i111 derive     Interrupt 111, for device(s): -ipi callfuncsingle5
-ipi irqwork5 i112 derive     Interrupt 112, for device(s): -ipi irqwork5
-ipi spinlock5 i113 derive     Interrupt 113, for device(s): -ipi spinlock5
-virq timer6 i114 derive     Interrupt 114, for device(s): -virq timer6
-ipi resched6 i115 derive     Interrupt 115, for device(s): -ipi resched6
-ipi callfunc6 i116 derive     Interrupt 116, for device(s): -ipi callfunc6
-virq debug6 i117 derive     Interrupt 117, for device(s): -virq debug6
-ipi callfuncsingle6 i118 derive     Interrupt 118, for device(s): -ipi callfuncsingle6
-ipi irqwork6 i119 derive     Interrupt 119, for device(s): -ipi irqwork6
-ipi spinlock6 i120 derive     Interrupt 120, for device(s): -ipi spinlock6
-virq timer7 i121 derive     Interrupt 121, for device(s): -virq timer7
-ipi resched7 i122 derive     Interrupt 122, for device(s): -ipi resched7
-ipi callfunc7 i123 derive     Interrupt 123, for device(s): -ipi callfunc7
-virq debug7 i124 derive     Interrupt 124, for device(s): -virq debug7
-ipi callfuncsingle7 i125 derive     Interrupt 125, for device(s): -ipi callfuncsingle7
-ipi irqwork7 i126 derive     Interrupt 126, for device(s): -ipi irqwork7
-ipi spinlock7 i127 derive     Interrupt 127, for device(s): -ipi spinlock7
-virq timer8 i128 derive     Interrupt 128, for device(s): -virq timer8
-ipi resched8 i129 derive     Interrupt 129, for device(s): -ipi resched8
-ipi callfunc8 i130 derive     Interrupt 130, for device(s): -ipi callfunc8
-virq debug8 i131 derive     Interrupt 131, for device(s): -virq debug8
-ipi callfuncsingle8 i132 derive     Interrupt 132, for device(s): -ipi callfuncsingle8
-ipi irqwork8 i133 derive     Interrupt 133, for device(s): -ipi irqwork8
-ipi spinlock8 i134 derive     Interrupt 134, for device(s): -ipi spinlock8
-virq timer9 i135 derive     Interrupt 135, for device(s): -virq timer9
-ipi resched9 i136 derive     Interrupt 136, for device(s): -ipi resched9
-ipi callfunc9 i137 derive     Interrupt 137, for device(s): -ipi callfunc9
-virq debug9 i138 derive     Interrupt 138, for device(s): -virq debug9
-ipi callfuncsingle9 i139 derive     Interrupt 139, for device(s): -ipi callfuncsingle9
-ipi irqwork9 i140 derive     Interrupt 140, for device(s): -ipi irqwork9
-ipi spinlock9 i141 derive     Interrupt 141, for device(s): -ipi spinlock9
-virq timer10 i142 derive     Interrupt 142, for device(s): -virq timer10
-ipi resched10 i143 derive     Interrupt 143, for device(s): -ipi resched10
-ipi callfunc10 i144 derive     Interrupt 144, for device(s): -ipi callfunc10
-virq debug10 i145 derive     Interrupt 145, for device(s): -virq debug10
-ipi callfuncsingle10 i146 derive     Interrupt 146, for device(s): -ipi callfuncsingle10
-ipi irqwork10 i147 derive     Interrupt 147, for device(s): -ipi irqwork10
-ipi spinlock10 i148 derive     Interrupt 148, for device(s): -ipi spinlock10
-virq timer11 i149 derive     Interrupt 149, for device(s): -virq timer11
-ipi resched11 i150 derive     Interrupt 150, for device(s): -ipi resched11
-ipi callfunc11 i151 derive     Interrupt 151, for device(s): -ipi callfunc11
-virq debug11 i152 derive     Interrupt 152, for device(s): -virq debug11
-ipi callfuncsingle11 i153 derive     Interrupt 153, for device(s): -ipi callfuncsingle11
-ipi irqwork11 i154 derive     Interrupt 154, for device(s): -ipi irqwork11
-ipi spinlock11 i155 derive     Interrupt 155, for device(s): -ipi spinlock11
-virq timer12 i156 derive     Interrupt 156, for device(s): -virq timer12
-ipi resched12 i157 derive     Interrupt 157, for device(s): -ipi resched12
-ipi callfunc12 i158 derive     Interrupt 158, for device(s): -ipi callfunc12
-virq debug12 i159 derive     Interrupt 159, for device(s): -virq debug12
-ipi callfuncsingle12 i160 derive     Interrupt 160, for device(s): -ipi callfuncsingle12
-ipi irqwork12 i161 derive     Interrupt 161, for device(s): -ipi irqwork12
-ipi spinlock12 i162 derive     Interrupt 162, for device(s): -ipi spinlock12
-virq timer13 i163 derive     Interrupt 163, for device(s): -virq timer13
-ipi resched13 i164 derive     Interrupt 164, for device(s): -ipi resched13
-ipi callfunc13 i165 derive     Interrupt 165, for device(s): -ipi callfunc13
-virq debug13 i166 derive     Interrupt 166, for device(s): -virq debug13
-ipi callfuncsingle13 i167 derive     Interrupt 167, for device(s): -ipi callfuncsingle13
-ipi irqwork13 i168 derive     Interrupt 168, for device(s): -ipi irqwork13
-ipi spinlock13 i169 derive     Interrupt 169, for device(s): -ipi spinlock13
-virq timer14 i170 derive     Interrupt 170, for device(s): -virq timer14
-ipi resched14 i171 derive     Interrupt 171, for device(s): -ipi resched14
-ipi callfunc14 i172 derive     Interrupt 172, for device(s): -ipi callfunc14
-virq debug14 i173 derive     Interrupt 173, for device(s): -virq debug14
-ipi callfuncsingle14 i174 derive     Interrupt 174, for device(s): -ipi callfuncsingle14
-ipi irqwork14 i175 derive     Interrupt 175, for device(s): -ipi irqwork14
-ipi spinlock14 i176 derive     Interrupt 176, for device(s): -ipi spinlock14
-virq timer15 i177 derive     Interrupt 177, for device(s): -virq timer15
-ipi resched15 i178 derive     Interrupt 178, for device(s): -ipi resched15
-ipi callfunc15 i179 derive     Interrupt 179, for device(s): -ipi callfunc15
-virq debug15 i180 derive     Interrupt 180, for device(s): -virq debug15
-ipi callfuncsingle15 i181 derive     Interrupt 181, for device(s): -ipi callfuncsingle15
-ipi irqwork15 i182 derive     Interrupt 182, for device(s): -ipi irqwork15
-ipi spinlock15 i183 derive     Interrupt 183, for device(s): -ipi spinlock15
-event xenbus i184 derive     Interrupt 184, for device(s): -event xenbus
-virq xen-pcpu i185 derive     Interrupt 185, for device(s): -virq xen-pcpu
-msi-x ioat-msix i186 derive     Interrupt 186, for device(s): -msi-x ioat-msix
-msi-x ioat-msix i187 derive     Interrupt 187, for device(s): -msi-x ioat-msix
-msi PCIe PME i188 derive     Interrupt 188, for device(s): -msi PCIe PME
-msi-x ioat-msix i189 derive     Interrupt 189, for device(s): -msi-x ioat-msix
-msi-x ioat-msix i190 derive     Interrupt 190, for device(s): -msi-x ioat-msix
-msi PCIe PME i191 derive     Interrupt 191, for device(s): -msi PCIe PME
-msi-x ioat-msix i192 derive     Interrupt 192, for device(s): -msi-x ioat-msix
-msi-x ioat-msix i193 derive     Interrupt 193, for device(s): -msi-x ioat-msix
-msi PCIe PME i194 derive     Interrupt 194, for device(s): -msi PCIe PME
-msi-x ioat-msix i195 derive     Interrupt 195, for device(s): -msi-x ioat-msix
-msi-x ioat-msix i196 derive     Interrupt 196, for device(s): -msi-x ioat-msix
-msi PCIe PME i197 derive     Interrupt 197, for device(s): -msi PCIe PME
-msi PCIe PME i198 derive     Interrupt 198, for device(s): -msi PCIe PME
-msi PCIe PME i199 derive     Interrupt 199, for device(s): -msi PCIe PME
-msi-x ioat-msix i200 derive     Interrupt 200, for device(s): -msi-x ioat-msix
-msi-x ioat-msix i201 derive     Interrupt 201, for device(s): -msi-x ioat-msix
-msi-x ioat-msix i202 derive     Interrupt 202, for device(s): -msi-x ioat-msix
-msi-x ioat-msix i203 derive     Interrupt 203, for device(s): -msi-x ioat-msix
-msi-x ioat-msix i204 derive     Interrupt 204, for device(s): -msi-x ioat-msix
-msi-x ioat-msix i205 derive     Interrupt 205, for device(s): -msi-x ioat-msix
-msi-x ioat-msix i206 derive     Interrupt 206, for device(s): -msi-x ioat-msix
-msi-x ioat-msix i207 derive     Interrupt 207, for device(s): -msi-x ioat-msix
-virq mce i208 derive     Interrupt 208, for device(s): -virq mce
-virq hvc_console i209 derive     Interrupt 209, for device(s): -virq hvc_console
-msi ahci[0000:00:11.4] i210 derive     Interrupt 210, for device(s): -msi ahci[0000:00:11.4]
-msi ahci[0000:00:1f.2] i211 derive     Interrupt 211, for device(s): -msi ahci[0000:00:1f.2]
-msi-x eth0-TxRx-0 i212 derive     Interrupt 212, for device(s): -msi-x eth0-TxRx-0
-msi-x eth0-TxRx-1 i213 derive     Interrupt 213, for device(s): -msi-x eth0-TxRx-1
-msi-x eth0-TxRx-2 i214 derive     Interrupt 214, for device(s): -msi-x eth0-TxRx-2
-msi-x eth0-TxRx-3 i215 derive     Interrupt 215, for device(s): -msi-x eth0-TxRx-3
-msi-x eth0-TxRx-4 i216 derive     Interrupt 216, for device(s): -msi-x eth0-TxRx-4
-msi-x eth0-TxRx-5 i217 derive     Interrupt 217, for device(s): -msi-x eth0-TxRx-5
-msi-x eth0-TxRx-6 i218 derive     Interrupt 218, for device(s): -msi-x eth0-TxRx-6
-msi-x eth0-TxRx-7 i219 derive     Interrupt 219, for device(s): -msi-x eth0-TxRx-7
-msi-x eth0-TxRx-8 i220 derive     Interrupt 220, for device(s): -msi-x eth0-TxRx-8
-msi-x eth0-TxRx-9 i221 derive     Interrupt 221, for device(s): -msi-x eth0-TxRx-9
-msi-x eth0-TxRx-10 i222 derive     Interrupt 222, for device(s): -msi-x eth0-TxRx-10
-msi-x eth0-TxRx-11 i223 derive     Interrupt 223, for device(s): -msi-x eth0-TxRx-11
-msi-x eth0-TxRx-12 i224 derive     Interrupt 224, for device(s): -msi-x eth0-TxRx-12
-msi-x eth0-TxRx-13 i225 derive     Interrupt 225, for device(s): -msi-x eth0-TxRx-13
-msi-x eth0-TxRx-14 i226 derive     Interrupt 226, for device(s): -msi-x eth0-TxRx-14
-msi-x eth0-TxRx-15 i227 derive     Interrupt 227, for device(s): -msi-x eth0-TxRx-15
-msi-x eth0 i228 derive     Interrupt 228, for device(s): -msi-x eth0
-msi-x eth1-TxRx-0 i229 derive     Interrupt 229, for device(s): -msi-x eth1-TxRx-0
-msi-x eth1-TxRx-1 i230 derive     Interrupt 230, for device(s): -msi-x eth1-TxRx-1
-msi-x eth1-TxRx-2 i231 derive     Interrupt 231, for device(s): -msi-x eth1-TxRx-2
-msi-x eth1-TxRx-3 i232 derive     Interrupt 232, for device(s): -msi-x eth1-TxRx-3
-msi-x eth1-TxRx-4 i233 derive     Interrupt 233, for device(s): -msi-x eth1-TxRx-4
-msi-x eth1-TxRx-5 i234 derive     Interrupt 234, for device(s): -msi-x eth1-TxRx-5
-msi-x eth1-TxRx-6 i235 derive     Interrupt 235, for device(s): -msi-x eth1-TxRx-6
-msi-x eth1-TxRx-7 i236 derive     Interrupt 236, for device(s): -msi-x eth1-TxRx-7
-msi-x eth1-TxRx-8 i237 derive     Interrupt 237, for device(s): -msi-x eth1-TxRx-8
-msi-x eth1-TxRx-9 i238 derive     Interrupt 238, for device(s): -msi-x eth1-TxRx-9
-msi-x eth1-TxRx-10 i239 derive     Interrupt 239, for device(s): -msi-x eth1-TxRx-10
-msi-x eth1-TxRx-11 i240 derive     Interrupt 240, for device(s): -msi-x eth1-TxRx-11
-msi-x eth1-TxRx-12 i241 derive     Interrupt 241, for device(s): -msi-x eth1-TxRx-12
-msi-x eth1-TxRx-13 i242 derive     Interrupt 242, for device(s): -msi-x eth1-TxRx-13
-msi-x eth1-TxRx-14 i243 derive     Interrupt 243, for device(s): -msi-x eth1-TxRx-14
-msi-x eth1-TxRx-15 i244 derive     Interrupt 244, for device(s): -msi-x eth1-TxRx-15
-msi-x eth1 i245 derive     Interrupt 245, for device(s): -msi-x eth1
-msi-x eth3-TxRx-0 i246 derive     Interrupt 246, for device(s): -msi-x eth3-TxRx-0
-msi-x eth3-TxRx-1 i247 derive     Interrupt 247, for device(s): -msi-x eth3-TxRx-1
-msi-x eth3-TxRx-2 i248 derive     Interrupt 248, for device(s): -msi-x eth3-TxRx-2
-msi-x eth3-TxRx-3 i249 derive     Interrupt 249, for device(s): -msi-x eth3-TxRx-3
-msi-x eth3-TxRx-4 i250 derive     Interrupt 250, for device(s): -msi-x eth3-TxRx-4
-msi-x eth3-TxRx-5 i251 derive     Interrupt 251, for device(s): -msi-x eth3-TxRx-5
-msi-x eth3-TxRx-6 i252 derive     Interrupt 252, for device(s): -msi-x eth3-TxRx-6
-msi-x eth3-TxRx-7 i253 derive     Interrupt 253, for device(s): -msi-x eth3-TxRx-7
-msi-x eth3-TxRx-8 i254 derive     Interrupt 254, for device(s): -msi-x eth3-TxRx-8
-msi-x eth3-TxRx-9 i255 derive     Interrupt 255, for device(s): -msi-x eth3-TxRx-9
-msi-x eth3-TxRx-10 i256 derive     Interrupt 256, for device(s): -msi-x eth3-TxRx-10
-msi-x eth3-TxRx-11 i257 derive     Interrupt 257, for device(s): -msi-x eth3-TxRx-11
-msi-x eth3-TxRx-12 i258 derive     Interrupt 258, for device(s): -msi-x eth3-TxRx-12
-msi-x eth3-TxRx-13 i259 derive     Interrupt 259, for device(s): -msi-x eth3-TxRx-13
-msi-x eth3-TxRx-14 i260 derive     Interrupt 260, for device(s): -msi-x eth3-TxRx-14
-msi-x eth3-TxRx-15 i261 derive     Interrupt 261, for device(s): -msi-x eth3-TxRx-15
-msi-x eth3 i262 derive     Interrupt 262, for device(s): -msi-x eth3
-msi-x eth2-TxRx-0 i263 derive     Interrupt 263, for device(s): -msi-x eth2-TxRx-0
-msi-x eth2-TxRx-1 i264 derive     Interrupt 264, for device(s): -msi-x eth2-TxRx-1
-msi-x eth2-TxRx-2 i265 derive     Interrupt 265, for device(s): -msi-x eth2-TxRx-2
-msi-x eth2-TxRx-3 i266 derive     Interrupt 266, for device(s): -msi-x eth2-TxRx-3
-msi-x eth2-TxRx-4 i267 derive     Interrupt 267, for device(s): -msi-x eth2-TxRx-4
-msi-x eth2-TxRx-5 i268 derive     Interrupt 268, for device(s): -msi-x eth2-TxRx-5
-msi-x eth2-TxRx-6 i269 derive     Interrupt 269, for device(s): -msi-x eth2-TxRx-6
-msi-x eth2-TxRx-7 i270 derive     Interrupt 270, for device(s): -msi-x eth2-TxRx-7
-msi-x eth2-TxRx-8 i271 derive     Interrupt 271, for device(s): -msi-x eth2-TxRx-8
-msi-x eth2-TxRx-9 i272 derive     Interrupt 272, for device(s): -msi-x eth2-TxRx-9
-msi-x eth2-TxRx-10 i273 derive     Interrupt 273, for device(s): -msi-x eth2-TxRx-10
-msi-x eth2-TxRx-11 i274 derive     Interrupt 274, for device(s): -msi-x eth2-TxRx-11
-msi-x eth2-TxRx-12 i275 derive     Interrupt 275, for device(s): -msi-x eth2-TxRx-12
-msi-x eth2-TxRx-13 i276 derive     Interrupt 276, for device(s): -msi-x eth2-TxRx-13
-msi-x eth2-TxRx-14 i277 derive     Interrupt 277, for device(s): -msi-x eth2-TxRx-14
-msi-x eth2-TxRx-15 i278 derive     Interrupt 278, for device(s): -msi-x eth2-TxRx-15
-msi-x eth2 i279 derive     Interrupt 279, for device(s): -msi-x eth2
-event evtchn:oxenstored i280 derive     Interrupt 280, for device(s): -event evtchn:oxenstored
-event evtchn:oxenstored i281 derive     Interrupt 281, for device(s): -event evtchn:oxenstored
-event evtchn:xenconsoled i282 derive     Interrupt 282, for device(s): -event evtchn:xenconsoled
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