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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
i8042 i1 derive     Interrupt 1, for device(s): i8042
rtc0 i8 derive     Interrupt 8, for device(s): rtc0
acpi i9 derive     Interrupt 9, for device(s): acpi
i8042 i12 derive     Interrupt 12, for device(s): i8042
uhci_hcd:usb3 i16 derive     Interrupt 16, for device(s): uhci_hcd:usb3
ehci_hcd:usb1, uhci_hcd:usb8 i18 derive     Interrupt 18, for device(s): ehci_hcd:usb1, uhci_hcd:usb8
19 i19 derive     Interrupt 19, for device(s): ata_piix, ata_piix, uhci_hcd:usb5, uhci_hcd:usb7
uhci_hcd:usb4 i21 derive     Interrupt 21, for device(s): uhci_hcd:usb4
ehci_hcd:usb2, uhci_hcd:usb6 i23 derive     Interrupt 23, for device(s): ehci_hcd:usb2, uhci_hcd:usb6
timer0 i296 derive     Interrupt 296, for device(s): timer0
resched0 i297 derive     Interrupt 297, for device(s): resched0
callfunc0 i298 derive     Interrupt 298, for device(s): callfunc0
debug0 i299 derive     Interrupt 299, for device(s): debug0
callfuncsingle0 i300 derive     Interrupt 300, for device(s): callfuncsingle0
timer1 i301 derive     Interrupt 301, for device(s): timer1
resched1 i302 derive     Interrupt 302, for device(s): resched1
callfunc1 i303 derive     Interrupt 303, for device(s): callfunc1
debug1 i304 derive     Interrupt 304, for device(s): debug1
callfuncsingle1 i305 derive     Interrupt 305, for device(s): callfuncsingle1
timer2 i306 derive     Interrupt 306, for device(s): timer2
resched2 i307 derive     Interrupt 307, for device(s): resched2
callfunc2 i308 derive     Interrupt 308, for device(s): callfunc2
debug2 i309 derive     Interrupt 309, for device(s): debug2
callfuncsingle2 i310 derive     Interrupt 310, for device(s): callfuncsingle2
timer3 i311 derive     Interrupt 311, for device(s): timer3
resched3 i312 derive     Interrupt 312, for device(s): resched3
callfunc3 i313 derive     Interrupt 313, for device(s): callfunc3
debug3 i314 derive     Interrupt 314, for device(s): debug3
callfuncsingle3 i315 derive     Interrupt 315, for device(s): callfuncsingle3
timer4 i316 derive     Interrupt 316, for device(s): timer4
resched4 i317 derive     Interrupt 317, for device(s): resched4
callfunc4 i318 derive     Interrupt 318, for device(s): callfunc4
debug4 i319 derive     Interrupt 319, for device(s): debug4
callfuncsingle4 i320 derive     Interrupt 320, for device(s): callfuncsingle4
timer5 i321 derive     Interrupt 321, for device(s): timer5
resched5 i322 derive     Interrupt 322, for device(s): resched5
callfunc5 i323 derive     Interrupt 323, for device(s): callfunc5
debug5 i324 derive     Interrupt 324, for device(s): debug5
callfuncsingle5 i325 derive     Interrupt 325, for device(s): callfuncsingle5
timer6 i326 derive     Interrupt 326, for device(s): timer6
resched6 i327 derive     Interrupt 327, for device(s): resched6
callfunc6 i328 derive     Interrupt 328, for device(s): callfunc6
debug6 i329 derive     Interrupt 329, for device(s): debug6
callfuncsingle6 i330 derive     Interrupt 330, for device(s): callfuncsingle6
timer7 i331 derive     Interrupt 331, for device(s): timer7
resched7 i332 derive     Interrupt 332, for device(s): resched7
callfunc7 i333 derive     Interrupt 333, for device(s): callfunc7
debug7 i334 derive     Interrupt 334, for device(s): debug7
callfuncsingle7 i335 derive     Interrupt 335, for device(s): callfuncsingle7
timer8 i336 derive     Interrupt 336, for device(s): timer8
resched8 i337 derive     Interrupt 337, for device(s): resched8
callfunc8 i338 derive     Interrupt 338, for device(s): callfunc8
debug8 i339 derive     Interrupt 339, for device(s): debug8
callfuncsingle8 i340 derive     Interrupt 340, for device(s): callfuncsingle8
timer9 i341 derive     Interrupt 341, for device(s): timer9
resched9 i342 derive     Interrupt 342, for device(s): resched9
callfunc9 i343 derive     Interrupt 343, for device(s): callfunc9
debug9 i344 derive     Interrupt 344, for device(s): debug9
callfuncsingle9 i345 derive     Interrupt 345, for device(s): callfuncsingle9
timer10 i346 derive     Interrupt 346, for device(s): timer10
resched10 i347 derive     Interrupt 347, for device(s): resched10
callfunc10 i348 derive     Interrupt 348, for device(s): callfunc10
debug10 i349 derive     Interrupt 349, for device(s): debug10
callfuncsingle10 i350 derive     Interrupt 350, for device(s): callfuncsingle10
timer11 i351 derive     Interrupt 351, for device(s): timer11
resched11 i352 derive     Interrupt 352, for device(s): resched11
callfunc11 i353 derive     Interrupt 353, for device(s): callfunc11
debug11 i354 derive     Interrupt 354, for device(s): debug11
callfuncsingle11 i355 derive     Interrupt 355, for device(s): callfuncsingle11
timer12 i356 derive     Interrupt 356, for device(s): timer12
resched12 i357 derive     Interrupt 357, for device(s): resched12
callfunc12 i358 derive     Interrupt 358, for device(s): callfunc12
debug12 i359 derive     Interrupt 359, for device(s): debug12
callfuncsingle12 i360 derive     Interrupt 360, for device(s): callfuncsingle12
timer13 i361 derive     Interrupt 361, for device(s): timer13
resched13 i362 derive     Interrupt 362, for device(s): resched13
callfunc13 i363 derive     Interrupt 363, for device(s): callfunc13
debug13 i364 derive     Interrupt 364, for device(s): debug13
callfuncsingle13 i365 derive     Interrupt 365, for device(s): callfuncsingle13
timer14 i366 derive     Interrupt 366, for device(s): timer14
resched14 i367 derive     Interrupt 367, for device(s): resched14
callfunc14 i368 derive     Interrupt 368, for device(s): callfunc14
debug14 i369 derive     Interrupt 369, for device(s): debug14
callfuncsingle14 i370 derive     Interrupt 370, for device(s): callfuncsingle14
timer15 i371 derive     Interrupt 371, for device(s): timer15
resched15 i372 derive     Interrupt 372, for device(s): resched15
callfunc15 i373 derive     Interrupt 373, for device(s): callfunc15
debug15 i374 derive     Interrupt 374, for device(s): debug15
callfuncsingle15 i375 derive     Interrupt 375, for device(s): callfuncsingle15
xenbus i376 derive     Interrupt 376, for device(s): xenbus
eth0 i378 derive     Interrupt 378, for device(s): eth0
eth0-TxRx-0 i379 derive     Interrupt 379, for device(s): eth0-TxRx-0
eth0-TxRx-1 i380 derive     Interrupt 380, for device(s): eth0-TxRx-1
eth0-TxRx-2 i381 derive     Interrupt 381, for device(s): eth0-TxRx-2
eth0-TxRx-3 i382 derive     Interrupt 382, for device(s): eth0-TxRx-3
eth0-TxRx-4 i383 derive     Interrupt 383, for device(s): eth0-TxRx-4
eth0-TxRx-5 i384 derive     Interrupt 384, for device(s): eth0-TxRx-5
eth0-TxRx-6 i385 derive     Interrupt 385, for device(s): eth0-TxRx-6
eth0-TxRx-7 i386 derive     Interrupt 386, for device(s): eth0-TxRx-7
eth1 i387 derive     Interrupt 387, for device(s): eth1
eth1-TxRx-0 i388 derive     Interrupt 388, for device(s): eth1-TxRx-0
eth1-TxRx-1 i389 derive     Interrupt 389, for device(s): eth1-TxRx-1
eth1-TxRx-2 i390 derive     Interrupt 390, for device(s): eth1-TxRx-2
eth1-TxRx-3 i391 derive     Interrupt 391, for device(s): eth1-TxRx-3
eth1-TxRx-4 i392 derive     Interrupt 392, for device(s): eth1-TxRx-4
eth1-TxRx-5 i393 derive     Interrupt 393, for device(s): eth1-TxRx-5
eth1-TxRx-6 i394 derive     Interrupt 394, for device(s): eth1-TxRx-6
eth1-TxRx-7 i395 derive     Interrupt 395, for device(s): eth1-TxRx-7
ioat-msix i396 derive     Interrupt 396, for device(s): ioat-msix
ioat-msix i397 derive     Interrupt 397, for device(s): ioat-msix
ioat-msix i398 derive     Interrupt 398, for device(s): ioat-msix
ioat-msix i399 derive     Interrupt 399, for device(s): ioat-msix
ioat-msix i400 derive     Interrupt 400, for device(s): ioat-msix
ioat-msix i401 derive     Interrupt 401, for device(s): ioat-msix
ioat-msix i402 derive     Interrupt 402, for device(s): ioat-msix
ioat-msix i403 derive     Interrupt 403, for device(s): ioat-msix
evtchn:xenstored i404 derive     Interrupt 404, for device(s): evtchn:xenstored
evtchn:xenstored i405 derive     Interrupt 405, for device(s): evtchn:xenstored
evtchn:xenstored i406 derive     Interrupt 406, for device(s): evtchn:xenstored
blkif-backend i408 derive     Interrupt 408, for device(s): blkif-backend
blkif-backend i409 derive     Interrupt 409, for device(s): blkif-backend
vif87.0 i410 derive     Interrupt 410, for device(s): vif87.0
vif87.1 i411 derive     Interrupt 411, for device(s): vif87.1
evtchn:xenconsoled i413 derive     Interrupt 413, for device(s): 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
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
ERR iERR derive      
MIS iMIS derive