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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
serial i4 derive     Interrupt 4, for device(s): serial
rtc0 i8 derive     Interrupt 8, for device(s): rtc0
acpi i9 derive     Interrupt 9, for device(s): acpi
i801_smbus, ehci_hcd:usb3, ehci_hcd:usb4 i18 derive     Interrupt 18, for device(s): i801_smbus, ehci_hcd:usb3, ehci_hcd:usb4
timer0 i88 derive     Interrupt 88, for device(s): timer0
resched0 i89 derive     Interrupt 89, for device(s): resched0
callfunc0 i90 derive     Interrupt 90, for device(s): callfunc0
debug0 i91 derive     Interrupt 91, for device(s): debug0
callfuncsingle0 i92 derive     Interrupt 92, for device(s): callfuncsingle0
irqwork0 i93 derive     Interrupt 93, for device(s): irqwork0
timer1 i94 derive     Interrupt 94, for device(s): timer1
resched1 i95 derive     Interrupt 95, for device(s): resched1
callfunc1 i96 derive     Interrupt 96, for device(s): callfunc1
debug1 i97 derive     Interrupt 97, for device(s): debug1
callfuncsingle1 i98 derive     Interrupt 98, for device(s): callfuncsingle1
irqwork1 i99 derive     Interrupt 99, for device(s): irqwork1
timer2 i100 derive     Interrupt 100, for device(s): timer2
resched2 i101 derive     Interrupt 101, for device(s): resched2
callfunc2 i102 derive     Interrupt 102, for device(s): callfunc2
debug2 i103 derive     Interrupt 103, for device(s): debug2
callfuncsingle2 i104 derive     Interrupt 104, for device(s): callfuncsingle2
irqwork2 i105 derive     Interrupt 105, for device(s): irqwork2
timer3 i106 derive     Interrupt 106, for device(s): timer3
resched3 i107 derive     Interrupt 107, for device(s): resched3
callfunc3 i108 derive     Interrupt 108, for device(s): callfunc3
debug3 i109 derive     Interrupt 109, for device(s): debug3
callfuncsingle3 i110 derive     Interrupt 110, for device(s): callfuncsingle3
irqwork3 i111 derive     Interrupt 111, for device(s): irqwork3
timer4 i112 derive     Interrupt 112, for device(s): timer4
resched4 i113 derive     Interrupt 113, for device(s): resched4
callfunc4 i114 derive     Interrupt 114, for device(s): callfunc4
debug4 i115 derive     Interrupt 115, for device(s): debug4
callfuncsingle4 i116 derive     Interrupt 116, for device(s): callfuncsingle4
irqwork4 i117 derive     Interrupt 117, for device(s): irqwork4
timer5 i118 derive     Interrupt 118, for device(s): timer5
resched5 i119 derive     Interrupt 119, for device(s): resched5
callfunc5 i120 derive     Interrupt 120, for device(s): callfunc5
debug5 i121 derive     Interrupt 121, for device(s): debug5
callfuncsingle5 i122 derive     Interrupt 122, for device(s): callfuncsingle5
irqwork5 i123 derive     Interrupt 123, for device(s): irqwork5
timer6 i124 derive     Interrupt 124, for device(s): timer6
resched6 i125 derive     Interrupt 125, for device(s): resched6
callfunc6 i126 derive     Interrupt 126, for device(s): callfunc6
debug6 i127 derive     Interrupt 127, for device(s): debug6
callfuncsingle6 i128 derive     Interrupt 128, for device(s): callfuncsingle6
irqwork6 i129 derive     Interrupt 129, for device(s): irqwork6
timer7 i130 derive     Interrupt 130, for device(s): timer7
resched7 i131 derive     Interrupt 131, for device(s): resched7
callfunc7 i132 derive     Interrupt 132, for device(s): callfunc7
debug7 i133 derive     Interrupt 133, for device(s): debug7
callfuncsingle7 i134 derive     Interrupt 134, for device(s): callfuncsingle7
irqwork7 i135 derive     Interrupt 135, for device(s): irqwork7
timer8 i136 derive     Interrupt 136, for device(s): timer8
resched8 i137 derive     Interrupt 137, for device(s): resched8
callfunc8 i138 derive     Interrupt 138, for device(s): callfunc8
debug8 i139 derive     Interrupt 139, for device(s): debug8
callfuncsingle8 i140 derive     Interrupt 140, for device(s): callfuncsingle8
irqwork8 i141 derive     Interrupt 141, for device(s): irqwork8
timer9 i142 derive     Interrupt 142, for device(s): timer9
resched9 i143 derive     Interrupt 143, for device(s): resched9
callfunc9 i144 derive     Interrupt 144, for device(s): callfunc9
debug9 i145 derive     Interrupt 145, for device(s): debug9
callfuncsingle9 i146 derive     Interrupt 146, for device(s): callfuncsingle9
irqwork9 i147 derive     Interrupt 147, for device(s): irqwork9
timer10 i148 derive     Interrupt 148, for device(s): timer10
resched10 i149 derive     Interrupt 149, for device(s): resched10
callfunc10 i150 derive     Interrupt 150, for device(s): callfunc10
debug10 i151 derive     Interrupt 151, for device(s): debug10
callfuncsingle10 i152 derive     Interrupt 152, for device(s): callfuncsingle10
irqwork10 i153 derive     Interrupt 153, for device(s): irqwork10
timer11 i154 derive     Interrupt 154, for device(s): timer11
resched11 i155 derive     Interrupt 155, for device(s): resched11
callfunc11 i156 derive     Interrupt 156, for device(s): callfunc11
debug11 i157 derive     Interrupt 157, for device(s): debug11
callfuncsingle11 i158 derive     Interrupt 158, for device(s): callfuncsingle11
irqwork11 i159 derive     Interrupt 159, for device(s): irqwork11
timer12 i160 derive     Interrupt 160, for device(s): timer12
resched12 i161 derive     Interrupt 161, for device(s): resched12
callfunc12 i162 derive     Interrupt 162, for device(s): callfunc12
debug12 i163 derive     Interrupt 163, for device(s): debug12
callfuncsingle12 i164 derive     Interrupt 164, for device(s): callfuncsingle12
irqwork12 i165 derive     Interrupt 165, for device(s): irqwork12
timer13 i166 derive     Interrupt 166, for device(s): timer13
resched13 i167 derive     Interrupt 167, for device(s): resched13
callfunc13 i168 derive     Interrupt 168, for device(s): callfunc13
debug13 i169 derive     Interrupt 169, for device(s): debug13
callfuncsingle13 i170 derive     Interrupt 170, for device(s): callfuncsingle13
irqwork13 i171 derive     Interrupt 171, for device(s): irqwork13
timer14 i172 derive     Interrupt 172, for device(s): timer14
resched14 i173 derive     Interrupt 173, for device(s): resched14
callfunc14 i174 derive     Interrupt 174, for device(s): callfunc14
debug14 i175 derive     Interrupt 175, for device(s): debug14
callfuncsingle14 i176 derive     Interrupt 176, for device(s): callfuncsingle14
irqwork14 i177 derive     Interrupt 177, for device(s): irqwork14
timer15 i178 derive     Interrupt 178, for device(s): timer15
resched15 i179 derive     Interrupt 179, for device(s): resched15
callfunc15 i180 derive     Interrupt 180, for device(s): callfunc15
debug15 i181 derive     Interrupt 181, for device(s): debug15
callfuncsingle15 i182 derive     Interrupt 182, for device(s): callfuncsingle15
irqwork15 i183 derive     Interrupt 183, for device(s): irqwork15
timer16 i184 derive     Interrupt 184, for device(s): timer16
resched16 i185 derive     Interrupt 185, for device(s): resched16
callfunc16 i186 derive     Interrupt 186, for device(s): callfunc16
debug16 i187 derive     Interrupt 187, for device(s): debug16
callfuncsingle16 i188 derive     Interrupt 188, for device(s): callfuncsingle16
irqwork16 i189 derive     Interrupt 189, for device(s): irqwork16
timer17 i190 derive     Interrupt 190, for device(s): timer17
resched17 i191 derive     Interrupt 191, for device(s): resched17
callfunc17 i192 derive     Interrupt 192, for device(s): callfunc17
debug17 i193 derive     Interrupt 193, for device(s): debug17
callfuncsingle17 i194 derive     Interrupt 194, for device(s): callfuncsingle17
irqwork17 i195 derive     Interrupt 195, for device(s): irqwork17
timer18 i196 derive     Interrupt 196, for device(s): timer18
resched18 i197 derive     Interrupt 197, for device(s): resched18
callfunc18 i198 derive     Interrupt 198, for device(s): callfunc18
debug18 i199 derive     Interrupt 199, for device(s): debug18
callfuncsingle18 i200 derive     Interrupt 200, for device(s): callfuncsingle18
irqwork18 i201 derive     Interrupt 201, for device(s): irqwork18
timer19 i202 derive     Interrupt 202, for device(s): timer19
resched19 i203 derive     Interrupt 203, for device(s): resched19
callfunc19 i204 derive     Interrupt 204, for device(s): callfunc19
debug19 i205 derive     Interrupt 205, for device(s): debug19
callfuncsingle19 i206 derive     Interrupt 206, for device(s): callfuncsingle19
irqwork19 i207 derive     Interrupt 207, for device(s): irqwork19
timer20 i208 derive     Interrupt 208, for device(s): timer20
resched20 i209 derive     Interrupt 209, for device(s): resched20
callfunc20 i210 derive     Interrupt 210, for device(s): callfunc20
debug20 i211 derive     Interrupt 211, for device(s): debug20
callfuncsingle20 i212 derive     Interrupt 212, for device(s): callfuncsingle20
irqwork20 i213 derive     Interrupt 213, for device(s): irqwork20
timer21 i214 derive     Interrupt 214, for device(s): timer21
resched21 i215 derive     Interrupt 215, for device(s): resched21
callfunc21 i216 derive     Interrupt 216, for device(s): callfunc21
debug21 i217 derive     Interrupt 217, for device(s): debug21
callfuncsingle21 i218 derive     Interrupt 218, for device(s): callfuncsingle21
irqwork21 i219 derive     Interrupt 219, for device(s): irqwork21
timer22 i220 derive     Interrupt 220, for device(s): timer22
resched22 i221 derive     Interrupt 221, for device(s): resched22
callfunc22 i222 derive     Interrupt 222, for device(s): callfunc22
debug22 i223 derive     Interrupt 223, for device(s): debug22
callfuncsingle22 i224 derive     Interrupt 224, for device(s): callfuncsingle22
irqwork22 i225 derive     Interrupt 225, for device(s): irqwork22
timer23 i226 derive     Interrupt 226, for device(s): timer23
resched23 i227 derive     Interrupt 227, for device(s): resched23
callfunc23 i228 derive     Interrupt 228, for device(s): callfunc23
debug23 i229 derive     Interrupt 229, for device(s): debug23
callfuncsingle23 i230 derive     Interrupt 230, for device(s): callfuncsingle23
irqwork23 i231 derive     Interrupt 231, for device(s): irqwork23
timer24 i232 derive     Interrupt 232, for device(s): timer24
resched24 i233 derive     Interrupt 233, for device(s): resched24
callfunc24 i234 derive     Interrupt 234, for device(s): callfunc24
debug24 i235 derive     Interrupt 235, for device(s): debug24
callfuncsingle24 i236 derive     Interrupt 236, for device(s): callfuncsingle24
irqwork24 i237 derive     Interrupt 237, for device(s): irqwork24
timer25 i238 derive     Interrupt 238, for device(s): timer25
resched25 i239 derive     Interrupt 239, for device(s): resched25
callfunc25 i240 derive     Interrupt 240, for device(s): callfunc25
debug25 i241 derive     Interrupt 241, for device(s): debug25
callfuncsingle25 i242 derive     Interrupt 242, for device(s): callfuncsingle25
irqwork25 i243 derive     Interrupt 243, for device(s): irqwork25
timer26 i244 derive     Interrupt 244, for device(s): timer26
resched26 i245 derive     Interrupt 245, for device(s): resched26
callfunc26 i246 derive     Interrupt 246, for device(s): callfunc26
debug26 i247 derive     Interrupt 247, for device(s): debug26
callfuncsingle26 i248 derive     Interrupt 248, for device(s): callfuncsingle26
irqwork26 i249 derive     Interrupt 249, for device(s): irqwork26
timer27 i250 derive     Interrupt 250, for device(s): timer27
resched27 i251 derive     Interrupt 251, for device(s): resched27
callfunc27 i252 derive     Interrupt 252, for device(s): callfunc27
debug27 i253 derive     Interrupt 253, for device(s): debug27
callfuncsingle27 i254 derive     Interrupt 254, for device(s): callfuncsingle27
irqwork27 i255 derive     Interrupt 255, for device(s): irqwork27
timer28 i256 derive     Interrupt 256, for device(s): timer28
resched28 i257 derive     Interrupt 257, for device(s): resched28
callfunc28 i258 derive     Interrupt 258, for device(s): callfunc28
debug28 i259 derive     Interrupt 259, for device(s): debug28
callfuncsingle28 i260 derive     Interrupt 260, for device(s): callfuncsingle28
irqwork28 i261 derive     Interrupt 261, for device(s): irqwork28
timer29 i262 derive     Interrupt 262, for device(s): timer29
resched29 i263 derive     Interrupt 263, for device(s): resched29
callfunc29 i264 derive     Interrupt 264, for device(s): callfunc29
debug29 i265 derive     Interrupt 265, for device(s): debug29
callfuncsingle29 i266 derive     Interrupt 266, for device(s): callfuncsingle29
irqwork29 i267 derive     Interrupt 267, for device(s): irqwork29
timer30 i268 derive     Interrupt 268, for device(s): timer30
resched30 i269 derive     Interrupt 269, for device(s): resched30
callfunc30 i270 derive     Interrupt 270, for device(s): callfunc30
debug30 i271 derive     Interrupt 271, for device(s): debug30
callfuncsingle30 i272 derive     Interrupt 272, for device(s): callfuncsingle30
irqwork30 i273 derive     Interrupt 273, for device(s): irqwork30
timer31 i274 derive     Interrupt 274, for device(s): timer31
resched31 i275 derive     Interrupt 275, for device(s): resched31
callfunc31 i276 derive     Interrupt 276, for device(s): callfunc31
debug31 i277 derive     Interrupt 277, for device(s): debug31
callfuncsingle31 i278 derive     Interrupt 278, for device(s): callfuncsingle31
irqwork31 i279 derive     Interrupt 279, for device(s): irqwork31
xenbus i280 derive     Interrupt 280, for device(s): xenbus
xen-pcpu i281 derive     Interrupt 281, for device(s): xen-pcpu
PCIe PME i282 derive     Interrupt 282, for device(s): PCIe PME
PCIe PME i283 derive     Interrupt 283, for device(s): PCIe PME
PCIe PME i284 derive     Interrupt 284, for device(s): PCIe PME
PCIe PME i285 derive     Interrupt 285, for device(s): PCIe PME
PCIe PME i286 derive     Interrupt 286, for device(s): PCIe PME
mce i287 derive     Interrupt 287, for device(s): mce
hvc_console i288 derive     Interrupt 288, for device(s): hvc_console
xhci_hcd i289 derive     Interrupt 289, for device(s): xhci_hcd
eth2 i290 derive     Interrupt 290, for device(s): eth2
eth2-TxRx-0 i291 derive     Interrupt 291, for device(s): eth2-TxRx-0
eth2-TxRx-1 i292 derive     Interrupt 292, for device(s): eth2-TxRx-1
eth2-TxRx-2 i293 derive     Interrupt 293, for device(s): eth2-TxRx-2
eth2-TxRx-3 i294 derive     Interrupt 294, for device(s): eth2-TxRx-3
ahci i295 derive     Interrupt 295, for device(s): ahci
ahci i296 derive     Interrupt 296, for device(s): ahci
297 i297 derive      
298 i298 derive      
299 i299 derive      
300 i300 derive      
301 i301 derive      
evtchn:xenstored i302 derive     Interrupt 302, for device(s): evtchn:xenstored
evtchn:xenstored i303 derive     Interrupt 303, for device(s): evtchn:xenstored
evtchn:xenstored i319 derive     Interrupt 319, for device(s): evtchn:xenstored
evtchn:xenconsoled i334 derive     Interrupt 334, for device(s): evtchn:xenconsoled
blkif-backend i336 derive     Interrupt 336, for device(s): blkif-backend
blkif-backend i337 derive     Interrupt 337, for device(s): blkif-backend
vif27.0-q0 i338 derive     Interrupt 338, for device(s): vif27.0-q0
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
Hypervisor callback interrupts iHYP derive     Interrupt HYP, for device(s): Hypervisor callback interrupts
ERR iERR derive      
MIS iMIS derive