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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
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
18 i18 derive     Interrupt 18, for device(s): 18-fasteoi i801_smbus, ehci_hcd:usb1, ehci_hcd:usb4
16384-edge PCIe PME i25 derive     Interrupt 25, for device(s): 16384-edge PCIe PME
49152-edge PCIe PME i27 derive     Interrupt 27, for device(s): 49152-edge PCIe PME
53248-edge PCIe PME i28 derive     Interrupt 28, for device(s): 53248-edge PCIe PME
458752-edge PCIe PME i29 derive     Interrupt 29, for device(s): 458752-edge PCIe PME
466944-edge PCIe PME i30 derive     Interrupt 30, for device(s): 466944-edge PCIe PME
286720-edge ahci[0000:00:11.4] i31 derive     Interrupt 31, for device(s): 286720-edge ahci[0000:00:11.4]
327680-edge xhci_hcd i33 derive     Interrupt 33, for device(s): 327680-edge xhci_hcd
512000-edge ahci[0000:00:1f.2] i34 derive     Interrupt 34, for device(s): 512000-edge ahci[0000:00:1f.2]
0-edge dmar0 i72 derive     Interrupt 72, for device(s): 0-edge dmar0
1-edge dmar1 i73 derive     Interrupt 73, for device(s): 1-edge dmar1
1048576-edge mlx4-async@pci:0000:02:00.0 i120 derive     Interrupt 120, for device(s): 1048576-edge mlx4-async@pci:0000:02:00.0
1048577-edge mlx4-1@0000:02:00.0 i121 derive     Interrupt 121, for device(s): 1048577-edge mlx4-1@0000:02:00.0
1048578-edge mlx4-2@0000:02:00.0 i122 derive     Interrupt 122, for device(s): 1048578-edge mlx4-2@0000:02:00.0
1048579-edge mlx4-3@0000:02:00.0 i123 derive     Interrupt 123, for device(s): 1048579-edge mlx4-3@0000:02:00.0
1048580-edge mlx4-4@0000:02:00.0 i124 derive     Interrupt 124, for device(s): 1048580-edge mlx4-4@0000:02:00.0
1048581-edge mlx4-5@0000:02:00.0 i125 derive     Interrupt 125, for device(s): 1048581-edge mlx4-5@0000:02:00.0
1048582-edge mlx4-6@0000:02:00.0 i126 derive     Interrupt 126, for device(s): 1048582-edge mlx4-6@0000:02:00.0
1048583-edge mlx4-7@0000:02:00.0 i127 derive     Interrupt 127, for device(s): 1048583-edge mlx4-7@0000:02:00.0
1048584-edge mlx4-8@0000:02:00.0 i128 derive     Interrupt 128, for device(s): 1048584-edge mlx4-8@0000:02:00.0
1048585-edge mlx4-9@0000:02:00.0 i129 derive     Interrupt 129, for device(s): 1048585-edge mlx4-9@0000:02:00.0
1048586-edge mlx4-10@0000:02:00.0 i130 derive     Interrupt 130, for device(s): 1048586-edge mlx4-10@0000:02:00.0
1048587-edge mlx4-11@0000:02:00.0 i131 derive     Interrupt 131, for device(s): 1048587-edge mlx4-11@0000:02:00.0
1048588-edge mlx4-12@0000:02:00.0 i132 derive     Interrupt 132, for device(s): 1048588-edge mlx4-12@0000:02:00.0
1048589-edge mlx4-13@0000:02:00.0 i133 derive     Interrupt 133, for device(s): 1048589-edge mlx4-13@0000:02:00.0
1048590-edge mlx4-14@0000:02:00.0 i134 derive     Interrupt 134, for device(s): 1048590-edge mlx4-14@0000:02:00.0
1048591-edge mlx4-15@0000:02:00.0 i135 derive     Interrupt 135, for device(s): 1048591-edge mlx4-15@0000:02:00.0
1048592-edge mlx4-16@0000:02:00.0 i136 derive     Interrupt 136, for device(s): 1048592-edge mlx4-16@0000:02:00.0
1048593-edge mlx4-17@0000:02:00.0 i137 derive     Interrupt 137, for device(s): 1048593-edge mlx4-17@0000:02:00.0
1048594-edge mlx4-18@0000:02:00.0 i138 derive     Interrupt 138, for device(s): 1048594-edge mlx4-18@0000:02:00.0
1048595-edge mlx4-19@0000:02:00.0 i139 derive     Interrupt 139, for device(s): 1048595-edge mlx4-19@0000:02:00.0
1048596-edge mlx4-20@0000:02:00.0 i140 derive     Interrupt 140, for device(s): 1048596-edge mlx4-20@0000:02:00.0
1048597-edge mlx4-21@0000:02:00.0 i141 derive     Interrupt 141, for device(s): 1048597-edge mlx4-21@0000:02:00.0
1048598-edge mlx4-22@0000:02:00.0 i142 derive     Interrupt 142, for device(s): 1048598-edge mlx4-22@0000:02:00.0
1048599-edge mlx4-23@0000:02:00.0 i143 derive     Interrupt 143, for device(s): 1048599-edge mlx4-23@0000:02:00.0
1048600-edge mlx4-24@0000:02:00.0 i144 derive     Interrupt 144, for device(s): 1048600-edge mlx4-24@0000:02:00.0
1048601-edge mlx4-25@0000:02:00.0 i145 derive     Interrupt 145, for device(s): 1048601-edge mlx4-25@0000:02:00.0
1048602-edge mlx4-26@0000:02:00.0 i146 derive     Interrupt 146, for device(s): 1048602-edge mlx4-26@0000:02:00.0
1048603-edge mlx4-27@0000:02:00.0 i147 derive     Interrupt 147, for device(s): 1048603-edge mlx4-27@0000:02:00.0
1048604-edge mlx4-28@0000:02:00.0 i148 derive     Interrupt 148, for device(s): 1048604-edge mlx4-28@0000:02:00.0
1048605-edge mlx4-29@0000:02:00.0 i149 derive     Interrupt 149, for device(s): 1048605-edge mlx4-29@0000:02:00.0
1048606-edge mlx4-30@0000:02:00.0 i150 derive     Interrupt 150, for device(s): 1048606-edge mlx4-30@0000:02:00.0
1048607-edge mlx4-31@0000:02:00.0 i151 derive     Interrupt 151, for device(s): 1048607-edge mlx4-31@0000:02:00.0
1048608-edge mlx4-32@0000:02:00.0 i152 derive     Interrupt 152, for device(s): 1048608-edge mlx4-32@0000:02:00.0
1048609-edge mlx4-33@0000:02:00.0 i153 derive     Interrupt 153, for device(s): 1048609-edge mlx4-33@0000:02:00.0
1048610-edge mlx4-34@0000:02:00.0 i154 derive     Interrupt 154, for device(s): 1048610-edge mlx4-34@0000:02:00.0
1048611-edge mlx4-35@0000:02:00.0 i155 derive     Interrupt 155, for device(s): 1048611-edge mlx4-35@0000:02:00.0
1048612-edge mlx4-36@0000:02:00.0 i156 derive     Interrupt 156, for device(s): 1048612-edge mlx4-36@0000:02:00.0
1048613-edge mlx4-37@0000:02:00.0 i157 derive     Interrupt 157, for device(s): 1048613-edge mlx4-37@0000:02:00.0
1048614-edge mlx4-38@0000:02:00.0 i158 derive     Interrupt 158, for device(s): 1048614-edge mlx4-38@0000:02:00.0
1048615-edge mlx4-39@0000:02:00.0 i159 derive     Interrupt 159, for device(s): 1048615-edge mlx4-39@0000:02:00.0
1048616-edge mlx4-40@0000:02:00.0 i160 derive     Interrupt 160, for device(s): 1048616-edge mlx4-40@0000:02:00.0
1048617-edge mlx4-41@0000:02:00.0 i161 derive     Interrupt 161, for device(s): 1048617-edge mlx4-41@0000:02:00.0
1048618-edge mlx4-42@0000:02:00.0 i162 derive     Interrupt 162, for device(s): 1048618-edge mlx4-42@0000:02:00.0
1048619-edge mlx4-43@0000:02:00.0 i163 derive     Interrupt 163, for device(s): 1048619-edge mlx4-43@0000:02:00.0
1048620-edge mlx4-44@0000:02:00.0 i164 derive     Interrupt 164, for device(s): 1048620-edge mlx4-44@0000:02:00.0
1048621-edge mlx4-45@0000:02:00.0 i165 derive     Interrupt 165, for device(s): 1048621-edge mlx4-45@0000:02:00.0
1048622-edge mlx4-46@0000:02:00.0 i166 derive     Interrupt 166, for device(s): 1048622-edge mlx4-46@0000:02:00.0
1048623-edge mlx4-47@0000:02:00.0 i167 derive     Interrupt 167, for device(s): 1048623-edge mlx4-47@0000:02:00.0
1048624-edge mlx4-48@0000:02:00.0 i168 derive     Interrupt 168, for device(s): 1048624-edge mlx4-48@0000:02:00.0
1048625-edge mlx4-49@0000:02:00.0 i169 derive     Interrupt 169, for device(s): 1048625-edge mlx4-49@0000:02:00.0
1048626-edge mlx4-50@0000:02:00.0 i170 derive     Interrupt 170, for device(s): 1048626-edge mlx4-50@0000:02:00.0
1048627-edge mlx4-51@0000:02:00.0 i171 derive     Interrupt 171, for device(s): 1048627-edge mlx4-51@0000:02:00.0
1048628-edge mlx4-52@0000:02:00.0 i172 derive     Interrupt 172, for device(s): 1048628-edge mlx4-52@0000:02:00.0
1048629-edge mlx4-53@0000:02:00.0 i173 derive     Interrupt 173, for device(s): 1048629-edge mlx4-53@0000:02:00.0
1048630-edge mlx4-54@0000:02:00.0 i174 derive     Interrupt 174, for device(s): 1048630-edge mlx4-54@0000:02:00.0
1048631-edge mlx4-55@0000:02:00.0 i175 derive     Interrupt 175, for device(s): 1048631-edge mlx4-55@0000:02:00.0
1048632-edge mlx4-56@0000:02:00.0 i176 derive     Interrupt 176, for device(s): 1048632-edge mlx4-56@0000:02:00.0
1048633-edge mlx4-57@0000:02:00.0 i177 derive     Interrupt 177, for device(s): 1048633-edge mlx4-57@0000:02:00.0
1048634-edge mlx4-58@0000:02:00.0 i178 derive     Interrupt 178, for device(s): 1048634-edge mlx4-58@0000:02:00.0
1048635-edge mlx4-59@0000:02:00.0 i179 derive     Interrupt 179, for device(s): 1048635-edge mlx4-59@0000:02:00.0
1048636-edge mlx4-60@0000:02:00.0 i180 derive     Interrupt 180, for device(s): 1048636-edge mlx4-60@0000:02:00.0
1048637-edge mlx4-61@0000:02:00.0 i181 derive     Interrupt 181, for device(s): 1048637-edge mlx4-61@0000:02:00.0
1048638-edge mlx4-62@0000:02:00.0 i182 derive     Interrupt 182, for device(s): 1048638-edge mlx4-62@0000:02:00.0
1048639-edge mlx4-63@0000:02:00.0 i183 derive     Interrupt 183, for device(s): 1048639-edge mlx4-63@0000:02:00.0
1048640-edge mlx4-64@0000:02:00.0 i184 derive     Interrupt 184, for device(s): 1048640-edge mlx4-64@0000:02:00.0
1048641-edge mlx4-65@0000:02:00.0 i185 derive     Interrupt 185, for device(s): 1048641-edge mlx4-65@0000:02:00.0
1048642-edge mlx4-66@0000:02:00.0 i186 derive     Interrupt 186, for device(s): 1048642-edge mlx4-66@0000:02:00.0
1048643-edge mlx4-67@0000:02:00.0 i187 derive     Interrupt 187, for device(s): 1048643-edge mlx4-67@0000:02:00.0
1048644-edge mlx4-68@0000:02:00.0 i188 derive     Interrupt 188, for device(s): 1048644-edge mlx4-68@0000:02:00.0
1048645-edge mlx4-69@0000:02:00.0 i189 derive     Interrupt 189, for device(s): 1048645-edge mlx4-69@0000:02:00.0
1048646-edge mlx4-70@0000:02:00.0 i190 derive     Interrupt 190, for device(s): 1048646-edge mlx4-70@0000:02:00.0
1048647-edge mlx4-71@0000:02:00.0 i191 derive     Interrupt 191, for device(s): 1048647-edge mlx4-71@0000:02:00.0
1048648-edge mlx4-72@0000:02:00.0 i192 derive     Interrupt 192, for device(s): 1048648-edge mlx4-72@0000:02:00.0
1048649-edge mlx4-73@0000:02:00.0 i193 derive     Interrupt 193, for device(s): 1048649-edge mlx4-73@0000:02:00.0
1048650-edge mlx4-74@0000:02:00.0 i194 derive     Interrupt 194, for device(s): 1048650-edge mlx4-74@0000:02:00.0
1048651-edge mlx4-75@0000:02:00.0 i195 derive     Interrupt 195, for device(s): 1048651-edge mlx4-75@0000:02:00.0
1048652-edge mlx4-76@0000:02:00.0 i196 derive     Interrupt 196, for device(s): 1048652-edge mlx4-76@0000:02:00.0
1048653-edge mlx4-77@0000:02:00.0 i197 derive     Interrupt 197, for device(s): 1048653-edge mlx4-77@0000:02:00.0
1048654-edge mlx4-78@0000:02:00.0 i198 derive     Interrupt 198, for device(s): 1048654-edge mlx4-78@0000:02:00.0
1048655-edge mlx4-79@0000:02:00.0 i199 derive     Interrupt 199, for device(s): 1048655-edge mlx4-79@0000:02:00.0
1048656-edge mlx4-80@0000:02:00.0 i200 derive     Interrupt 200, for device(s): 1048656-edge mlx4-80@0000:02:00.0
65536-edge ioat-msix i202 derive     Interrupt 202, for device(s): 65536-edge ioat-msix
67584-edge ioat-msix i204 derive     Interrupt 204, for device(s): 67584-edge ioat-msix
69632-edge ioat-msix i205 derive     Interrupt 205, for device(s): 69632-edge ioat-msix
71680-edge ioat-msix i206 derive     Interrupt 206, for device(s): 71680-edge ioat-msix
73728-edge ioat-msix i207 derive     Interrupt 207, for device(s): 73728-edge ioat-msix
75776-edge ioat-msix i208 derive     Interrupt 208, for device(s): 75776-edge ioat-msix
77824-edge ioat-msix i209 derive     Interrupt 209, for device(s): 77824-edge ioat-msix
79872-edge ioat-msix i210 derive     Interrupt 210, for device(s): 79872-edge ioat-msix
67174400-edge ioat-msix i212 derive     Interrupt 212, for device(s): 67174400-edge ioat-msix
67176448-edge ioat-msix i214 derive     Interrupt 214, for device(s): 67176448-edge ioat-msix
67178496-edge ioat-msix i215 derive     Interrupt 215, for device(s): 67178496-edge ioat-msix
67180544-edge ioat-msix i216 derive     Interrupt 216, for device(s): 67180544-edge ioat-msix
67182592-edge ioat-msix i217 derive     Interrupt 217, for device(s): 67182592-edge ioat-msix
67184640-edge ioat-msix i218 derive     Interrupt 218, for device(s): 67184640-edge ioat-msix
67186688-edge ioat-msix i219 derive     Interrupt 219, for device(s): 67186688-edge ioat-msix
67188736-edge ioat-msix i220 derive     Interrupt 220, for device(s): 67188736-edge ioat-msix
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