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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
2-edge timer i0 derive     Interrupt 0, for device(s): 2-edge timer
4-edge ttyS0 i4 derive     Interrupt 4, for device(s): 4-edge ttyS0
8-edge rtc0 i8 derive     Interrupt 8, for device(s): 8-edge rtc0
9-fasteoi acpi i9 derive     Interrupt 9, for device(s): 9-fasteoi acpi
10-edge ipmi_si i10 derive     Interrupt 10, for device(s): 10-edge ipmi_si
14-fasteoi INTC1071:00 i14 derive     Interrupt 14, for device(s): 14-fasteoi INTC1071:00
16-fasteoi i801_smbus i16 derive     Interrupt 16, for device(s): 16-fasteoi i801_smbus
12-edge dmar12 i120 derive     Interrupt 120, for device(s): 12-edge dmar12
11-edge dmar11 i121 derive     Interrupt 121, for device(s): 11-edge dmar11
10-edge dmar10 i122 derive     Interrupt 122, for device(s): 10-edge dmar10
9-edge dmar9 i123 derive     Interrupt 123, for device(s): 9-edge dmar9
8-edge dmar8 i124 derive     Interrupt 124, for device(s): 8-edge dmar8
7-edge dmar7 i125 derive     Interrupt 125, for device(s): 7-edge dmar7
6-edge dmar6 i126 derive     Interrupt 126, for device(s): 6-edge dmar6
5-edge dmar5 i127 derive     Interrupt 127, for device(s): 5-edge dmar5
4-edge dmar4 i128 derive     Interrupt 128, for device(s): 4-edge dmar4
3-edge dmar3 i129 derive     Interrupt 129, for device(s): 3-edge dmar3
2-edge dmar2 i130 derive     Interrupt 130, for device(s): 2-edge dmar2
1-edge dmar1 i131 derive     Interrupt 131, for device(s): 1-edge dmar1
0-edge dmar0 i132 derive     Interrupt 132, for device(s): 0-edge dmar0
13-edge dmar13 i133 derive     Interrupt 133, for device(s): 13-edge dmar13
8192-edge PCIe PME i134 derive     Interrupt 134, for device(s): 8192-edge PCIe PME
196608-edge PCIe PME i135 derive     Interrupt 135, for device(s): 196608-edge PCIe PME
229376-edge PCIe PME i136 derive     Interrupt 136, for device(s): 229376-edge PCIe PME
6299648-edge PCIe PME i137 derive     Interrupt 137, for device(s): 6299648-edge PCIe PME
17309696-edge PCIe PME i138 derive     Interrupt 138, for device(s): 17309696-edge PCIe PME
17317888-edge PCIe PME i139 derive     Interrupt 139, for device(s): 17317888-edge PCIe PME
28319744-edge PCIe PME i140 derive     Interrupt 140, for device(s): 28319744-edge PCIe PME
38281216-edge PCIe PME i141 derive     Interrupt 141, for device(s): 38281216-edge PCIe PME
38289408-edge PCIe PME i142 derive     Interrupt 142, for device(s): 38289408-edge PCIe PME
50339840-edge PCIe PME i143 derive     Interrupt 143, for device(s): 50339840-edge PCIe PME
61349888-edge PCIe PME i144 derive     Interrupt 144, for device(s): 61349888-edge PCIe PME
67117056-edge PCIe PME i145 derive     Interrupt 145, for device(s): 67117056-edge PCIe PME
72359936-edge PCIe PME i146 derive     Interrupt 146, for device(s): 72359936-edge PCIe PME
83369984-edge PCIe PME i147 derive     Interrupt 147, for device(s): 83369984-edge PCIe PME
94380032-edge PCIe PME i148 derive     Interrupt 148, for device(s): 94380032-edge PCIe PME
105390080-edge PCIe PME i149 derive     Interrupt 149, for device(s): 105390080-edge PCIe PME
117448704-edge PCIe PME i150 derive     Interrupt 150, for device(s): 117448704-edge PCIe PME
126885888-edge PCIe PME i151 derive     Interrupt 151, for device(s): 126885888-edge PCIe PME
327680-edge xhci_hcd i152 derive     Interrupt 152, for device(s): 327680-edge xhci_hcd
393216-edge ahci[0000:00:18.0] i153 derive     Interrupt 153, for device(s): 393216-edge ahci[0000:00:18.0]
409600-edge ahci[0000:00:19.0] i154 derive     Interrupt 154, for device(s): 409600-edge ahci[0000:00:19.0]
38797312-edge mpi3mr0-msix0 i155 derive     Interrupt 155, for device(s): 38797312-edge mpi3mr0-msix0
38797313-edge mpi3mr0-msix1 i156 derive     Interrupt 156, for device(s): 38797313-edge mpi3mr0-msix1
38797314-edge mpi3mr0-msix2 i157 derive     Interrupt 157, for device(s): 38797314-edge mpi3mr0-msix2
38797315-edge mpi3mr0-msix3 i158 derive     Interrupt 158, for device(s): 38797315-edge mpi3mr0-msix3
38797316-edge mpi3mr0-msix4 i159 derive     Interrupt 159, for device(s): 38797316-edge mpi3mr0-msix4
38797317-edge mpi3mr0-msix5 i160 derive     Interrupt 160, for device(s): 38797317-edge mpi3mr0-msix5
38797318-edge mpi3mr0-msix6 i161 derive     Interrupt 161, for device(s): 38797318-edge mpi3mr0-msix6
38797319-edge mpi3mr0-msix7 i162 derive     Interrupt 162, for device(s): 38797319-edge mpi3mr0-msix7
38797320-edge mpi3mr0-msix8 i163 derive     Interrupt 163, for device(s): 38797320-edge mpi3mr0-msix8
38797321-edge mpi3mr0-msix9 i164 derive     Interrupt 164, for device(s): 38797321-edge mpi3mr0-msix9
38797322-edge mpi3mr0-msix10 i165 derive     Interrupt 165, for device(s): 38797322-edge mpi3mr0-msix10
38797323-edge mpi3mr0-msix11 i166 derive     Interrupt 166, for device(s): 38797323-edge mpi3mr0-msix11
38797324-edge mpi3mr0-msix12 i167 derive     Interrupt 167, for device(s): 38797324-edge mpi3mr0-msix12
38797325-edge mpi3mr0-msix13 i168 derive     Interrupt 168, for device(s): 38797325-edge mpi3mr0-msix13
38797326-edge mpi3mr0-msix14 i169 derive     Interrupt 169, for device(s): 38797326-edge mpi3mr0-msix14
38797327-edge mpi3mr0-msix15 i170 derive     Interrupt 170, for device(s): 38797327-edge mpi3mr0-msix15
38797328-edge mpi3mr0-msix16 i171 derive     Interrupt 171, for device(s): 38797328-edge mpi3mr0-msix16
38797329-edge mpi3mr0-msix17 i172 derive     Interrupt 172, for device(s): 38797329-edge mpi3mr0-msix17
38797330-edge mpi3mr0-msix18 i173 derive     Interrupt 173, for device(s): 38797330-edge mpi3mr0-msix18
38797331-edge mpi3mr0-msix19 i174 derive     Interrupt 174, for device(s): 38797331-edge mpi3mr0-msix19
38797332-edge mpi3mr0-msix20 i175 derive     Interrupt 175, for device(s): 38797332-edge mpi3mr0-msix20
38797333-edge mpi3mr0-msix21 i176 derive     Interrupt 176, for device(s): 38797333-edge mpi3mr0-msix21
38797334-edge mpi3mr0-msix22 i177 derive     Interrupt 177, for device(s): 38797334-edge mpi3mr0-msix22
38797335-edge mpi3mr0-msix23 i178 derive     Interrupt 178, for device(s): 38797335-edge mpi3mr0-msix23
38797336-edge mpi3mr0-msix24 i179 derive     Interrupt 179, for device(s): 38797336-edge mpi3mr0-msix24
38797337-edge mpi3mr0-msix25 i180 derive     Interrupt 180, for device(s): 38797337-edge mpi3mr0-msix25
38797338-edge mpi3mr0-msix26 i181 derive     Interrupt 181, for device(s): 38797338-edge mpi3mr0-msix26
38797339-edge mpi3mr0-msix27 i182 derive     Interrupt 182, for device(s): 38797339-edge mpi3mr0-msix27
38797340-edge mpi3mr0-msix28 i183 derive     Interrupt 183, for device(s): 38797340-edge mpi3mr0-msix28
38797341-edge mpi3mr0-msix29 i184 derive     Interrupt 184, for device(s): 38797341-edge mpi3mr0-msix29
38797342-edge mpi3mr0-msix30 i185 derive     Interrupt 185, for device(s): 38797342-edge mpi3mr0-msix30
38797343-edge mpi3mr0-msix31 i186 derive     Interrupt 186, for device(s): 38797343-edge mpi3mr0-msix31
38797344-edge mpi3mr0-msix32 i187 derive     Interrupt 187, for device(s): 38797344-edge mpi3mr0-msix32
17825792-edge mlx5_comp0@pci:0000:22:00.0 i188 derive     Interrupt 188, for device(s): 17825792-edge mlx5_comp0@pci:0000:22:00.0
17825793-edge mlx5_comp1@pci:0000:22:00.0 i189 derive     Interrupt 189, for device(s): 17825793-edge mlx5_comp1@pci:0000:22:00.0
17825794-edge mlx5_comp2@pci:0000:22:00.0 i190 derive     Interrupt 190, for device(s): 17825794-edge mlx5_comp2@pci:0000:22:00.0
17825795-edge mlx5_comp3@pci:0000:22:00.0 i191 derive     Interrupt 191, for device(s): 17825795-edge mlx5_comp3@pci:0000:22:00.0
17825796-edge mlx5_comp4@pci:0000:22:00.0 i192 derive     Interrupt 192, for device(s): 17825796-edge mlx5_comp4@pci:0000:22:00.0
17825797-edge mlx5_comp5@pci:0000:22:00.0 i193 derive     Interrupt 193, for device(s): 17825797-edge mlx5_comp5@pci:0000:22:00.0
17825798-edge mlx5_comp6@pci:0000:22:00.0 i194 derive     Interrupt 194, for device(s): 17825798-edge mlx5_comp6@pci:0000:22:00.0
17825799-edge mlx5_comp7@pci:0000:22:00.0 i195 derive     Interrupt 195, for device(s): 17825799-edge mlx5_comp7@pci:0000:22:00.0
17825800-edge mlx5_comp8@pci:0000:22:00.0 i196 derive     Interrupt 196, for device(s): 17825800-edge mlx5_comp8@pci:0000:22:00.0
17825801-edge mlx5_comp9@pci:0000:22:00.0 i197 derive     Interrupt 197, for device(s): 17825801-edge mlx5_comp9@pci:0000:22:00.0
17825802-edge mlx5_comp10@pci:0000:22:00.0 i198 derive     Interrupt 198, for device(s): 17825802-edge mlx5_comp10@pci:0000:22:00.0
17825803-edge mlx5_comp11@pci:0000:22:00.0 i199 derive     Interrupt 199, for device(s): 17825803-edge mlx5_comp11@pci:0000:22:00.0
17825804-edge mlx5_comp12@pci:0000:22:00.0 i200 derive     Interrupt 200, for device(s): 17825804-edge mlx5_comp12@pci:0000:22:00.0
17825805-edge mlx5_comp13@pci:0000:22:00.0 i201 derive     Interrupt 201, for device(s): 17825805-edge mlx5_comp13@pci:0000:22:00.0
17825806-edge mlx5_comp14@pci:0000:22:00.0 i202 derive     Interrupt 202, for device(s): 17825806-edge mlx5_comp14@pci:0000:22:00.0
17825807-edge mlx5_comp15@pci:0000:22:00.0 i203 derive     Interrupt 203, for device(s): 17825807-edge mlx5_comp15@pci:0000:22:00.0
17825808-edge mlx5_comp16@pci:0000:22:00.0 i204 derive     Interrupt 204, for device(s): 17825808-edge mlx5_comp16@pci:0000:22:00.0
17825809-edge mlx5_comp17@pci:0000:22:00.0 i205 derive     Interrupt 205, for device(s): 17825809-edge mlx5_comp17@pci:0000:22:00.0
17825810-edge mlx5_comp18@pci:0000:22:00.0 i206 derive     Interrupt 206, for device(s): 17825810-edge mlx5_comp18@pci:0000:22:00.0
17825811-edge mlx5_comp19@pci:0000:22:00.0 i207 derive     Interrupt 207, for device(s): 17825811-edge mlx5_comp19@pci:0000:22:00.0
17825812-edge mlx5_comp20@pci:0000:22:00.0 i208 derive     Interrupt 208, for device(s): 17825812-edge mlx5_comp20@pci:0000:22:00.0
17825813-edge mlx5_comp21@pci:0000:22:00.0 i209 derive     Interrupt 209, for device(s): 17825813-edge mlx5_comp21@pci:0000:22:00.0
17825814-edge mlx5_comp22@pci:0000:22:00.0 i210 derive     Interrupt 210, for device(s): 17825814-edge mlx5_comp22@pci:0000:22:00.0
17825815-edge mlx5_comp23@pci:0000:22:00.0 i211 derive     Interrupt 211, for device(s): 17825815-edge mlx5_comp23@pci:0000:22:00.0
17825816-edge mlx5_comp24@pci:0000:22:00.0 i212 derive     Interrupt 212, for device(s): 17825816-edge mlx5_comp24@pci:0000:22:00.0
17825817-edge mlx5_comp25@pci:0000:22:00.0 i213 derive     Interrupt 213, for device(s): 17825817-edge mlx5_comp25@pci:0000:22:00.0
17825818-edge mlx5_comp26@pci:0000:22:00.0 i214 derive     Interrupt 214, for device(s): 17825818-edge mlx5_comp26@pci:0000:22:00.0
17825819-edge mlx5_comp27@pci:0000:22:00.0 i215 derive     Interrupt 215, for device(s): 17825819-edge mlx5_comp27@pci:0000:22:00.0
17825820-edge mlx5_comp28@pci:0000:22:00.0 i216 derive     Interrupt 216, for device(s): 17825820-edge mlx5_comp28@pci:0000:22:00.0
17825821-edge mlx5_comp29@pci:0000:22:00.0 i217 derive     Interrupt 217, for device(s): 17825821-edge mlx5_comp29@pci:0000:22:00.0
17825822-edge mlx5_comp30@pci:0000:22:00.0 i218 derive     Interrupt 218, for device(s): 17825822-edge mlx5_comp30@pci:0000:22:00.0
17825823-edge mlx5_comp31@pci:0000:22:00.0 i219 derive     Interrupt 219, for device(s): 17825823-edge mlx5_comp31@pci:0000:22:00.0
220 i220 derive     Interrupt 220, for device(s): 17825824-edge mlx5_async32@pci:0000:22:00.0
17827840-edge mlx5_comp0@pci:0000:22:00.1 i221 derive     Interrupt 221, for device(s): 17827840-edge mlx5_comp0@pci:0000:22:00.1
17827841-edge mlx5_comp1@pci:0000:22:00.1 i222 derive     Interrupt 222, for device(s): 17827841-edge mlx5_comp1@pci:0000:22:00.1
17827842-edge mlx5_comp2@pci:0000:22:00.1 i223 derive     Interrupt 223, for device(s): 17827842-edge mlx5_comp2@pci:0000:22:00.1
17827843-edge mlx5_comp3@pci:0000:22:00.1 i224 derive     Interrupt 224, for device(s): 17827843-edge mlx5_comp3@pci:0000:22:00.1
17827844-edge mlx5_comp4@pci:0000:22:00.1 i225 derive     Interrupt 225, for device(s): 17827844-edge mlx5_comp4@pci:0000:22:00.1
17827845-edge mlx5_comp5@pci:0000:22:00.1 i226 derive     Interrupt 226, for device(s): 17827845-edge mlx5_comp5@pci:0000:22:00.1
17827846-edge mlx5_comp6@pci:0000:22:00.1 i227 derive     Interrupt 227, for device(s): 17827846-edge mlx5_comp6@pci:0000:22:00.1
17827847-edge mlx5_comp7@pci:0000:22:00.1 i228 derive     Interrupt 228, for device(s): 17827847-edge mlx5_comp7@pci:0000:22:00.1
17827848-edge mlx5_comp8@pci:0000:22:00.1 i229 derive     Interrupt 229, for device(s): 17827848-edge mlx5_comp8@pci:0000:22:00.1
17827849-edge mlx5_comp9@pci:0000:22:00.1 i230 derive     Interrupt 230, for device(s): 17827849-edge mlx5_comp9@pci:0000:22:00.1
17827850-edge mlx5_comp10@pci:0000:22:00.1 i231 derive     Interrupt 231, for device(s): 17827850-edge mlx5_comp10@pci:0000:22:00.1
17827851-edge mlx5_comp11@pci:0000:22:00.1 i232 derive     Interrupt 232, for device(s): 17827851-edge mlx5_comp11@pci:0000:22:00.1
17827852-edge mlx5_comp12@pci:0000:22:00.1 i233 derive     Interrupt 233, for device(s): 17827852-edge mlx5_comp12@pci:0000:22:00.1
17827853-edge mlx5_comp13@pci:0000:22:00.1 i234 derive     Interrupt 234, for device(s): 17827853-edge mlx5_comp13@pci:0000:22:00.1
17827854-edge mlx5_comp14@pci:0000:22:00.1 i235 derive     Interrupt 235, for device(s): 17827854-edge mlx5_comp14@pci:0000:22:00.1
17827855-edge mlx5_comp15@pci:0000:22:00.1 i236 derive     Interrupt 236, for device(s): 17827855-edge mlx5_comp15@pci:0000:22:00.1
17827856-edge mlx5_comp16@pci:0000:22:00.1 i237 derive     Interrupt 237, for device(s): 17827856-edge mlx5_comp16@pci:0000:22:00.1
17827857-edge mlx5_comp17@pci:0000:22:00.1 i238 derive     Interrupt 238, for device(s): 17827857-edge mlx5_comp17@pci:0000:22:00.1
17827858-edge mlx5_comp18@pci:0000:22:00.1 i239 derive     Interrupt 239, for device(s): 17827858-edge mlx5_comp18@pci:0000:22:00.1
17827859-edge mlx5_comp19@pci:0000:22:00.1 i240 derive     Interrupt 240, for device(s): 17827859-edge mlx5_comp19@pci:0000:22:00.1
17827860-edge mlx5_comp20@pci:0000:22:00.1 i241 derive     Interrupt 241, for device(s): 17827860-edge mlx5_comp20@pci:0000:22:00.1
17827861-edge mlx5_comp21@pci:0000:22:00.1 i242 derive     Interrupt 242, for device(s): 17827861-edge mlx5_comp21@pci:0000:22:00.1
17827862-edge mlx5_comp22@pci:0000:22:00.1 i243 derive     Interrupt 243, for device(s): 17827862-edge mlx5_comp22@pci:0000:22:00.1
17827863-edge mlx5_comp23@pci:0000:22:00.1 i244 derive     Interrupt 244, for device(s): 17827863-edge mlx5_comp23@pci:0000:22:00.1
17827864-edge mlx5_comp24@pci:0000:22:00.1 i245 derive     Interrupt 245, for device(s): 17827864-edge mlx5_comp24@pci:0000:22:00.1
17827865-edge mlx5_comp25@pci:0000:22:00.1 i246 derive     Interrupt 246, for device(s): 17827865-edge mlx5_comp25@pci:0000:22:00.1
17827866-edge mlx5_comp26@pci:0000:22:00.1 i247 derive     Interrupt 247, for device(s): 17827866-edge mlx5_comp26@pci:0000:22:00.1
17827867-edge mlx5_comp27@pci:0000:22:00.1 i248 derive     Interrupt 248, for device(s): 17827867-edge mlx5_comp27@pci:0000:22:00.1
17827868-edge mlx5_comp28@pci:0000:22:00.1 i249 derive     Interrupt 249, for device(s): 17827868-edge mlx5_comp28@pci:0000:22:00.1
17827869-edge mlx5_comp29@pci:0000:22:00.1 i250 derive     Interrupt 250, for device(s): 17827869-edge mlx5_comp29@pci:0000:22:00.1
17827870-edge mlx5_comp30@pci:0000:22:00.1 i251 derive     Interrupt 251, for device(s): 17827870-edge mlx5_comp30@pci:0000:22:00.1
17827871-edge mlx5_comp31@pci:0000:22:00.1 i252 derive     Interrupt 252, for device(s): 17827871-edge mlx5_comp31@pci:0000:22:00.1
253 i253 derive     Interrupt 253, for device(s): 17827872-edge mlx5_async32@pci:0000:22:00.1
344064-edge ismt-msi i254 derive     Interrupt 254, for device(s): 344064-edge ismt-msi
61358080-edge idxd-misc i255 derive     Interrupt 255, for device(s): 61358080-edge idxd-misc
126894080-edge idxd-misc i264 derive     Interrupt 264, for device(s): 126894080-edge idxd-misc
524288-edge em1-tx-0 i273 derive     Interrupt 273, for device(s): 524288-edge em1-tx-0
524289-edge em1-rx-1 i274 derive     Interrupt 274, for device(s): 524289-edge em1-rx-1
524290-edge em1-rx-2 i275 derive     Interrupt 275, for device(s): 524290-edge em1-rx-2
524291-edge em1-rx-3 i276 derive     Interrupt 276, for device(s): 524291-edge em1-rx-3
524292-edge em1-rx-4 i277 derive     Interrupt 277, for device(s): 524292-edge em1-rx-4
526336-edge em2-tx-0 i278 derive     Interrupt 278, for device(s): 526336-edge em2-tx-0
526337-edge em2-rx-1 i279 derive     Interrupt 279, for device(s): 526337-edge em2-rx-1
526338-edge em2-rx-2 i280 derive     Interrupt 280, for device(s): 526338-edge em2-rx-2
526339-edge em2-rx-3 i281 derive     Interrupt 281, for device(s): 526339-edge em2-rx-3
526340-edge em2-rx-4 i282 derive     Interrupt 282, for device(s): 526340-edge em2-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
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