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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
4 i4 derive      
rtc0 i8 derive     Interrupt 8, for device(s): rtc0
acpi i9 derive     Interrupt 9, for device(s): acpi
sata_via i16 derive     Interrupt 16, for device(s): sata_via
i801_smbus i18 derive     Interrupt 18, for device(s): i801_smbus
ehci_hcd:usb1 i21 derive     Interrupt 21, for device(s): ehci_hcd:usb1
ehci_hcd:usb2 i23 derive     Interrupt 23, for device(s): ehci_hcd:usb2
timer0 i40 derive     Interrupt 40, for device(s): timer0
resched0 i41 derive     Interrupt 41, for device(s): resched0
callfunc0 i42 derive     Interrupt 42, for device(s): callfunc0
debug0 i43 derive     Interrupt 43, for device(s): debug0
callfuncsingle0 i44 derive     Interrupt 44, for device(s): callfuncsingle0
irqwork0 i45 derive     Interrupt 45, for device(s): irqwork0
xenbus i46 derive     Interrupt 46, for device(s): xenbus
xen-pcpu i47 derive     Interrupt 47, for device(s): xen-pcpu
PCIe PME i48 derive     Interrupt 48, for device(s): PCIe PME
PCIe PME i49 derive     Interrupt 49, for device(s): PCIe PME
PCIe PME i50 derive     Interrupt 50, for device(s): PCIe PME
PCIe PME i51 derive     Interrupt 51, for device(s): PCIe PME
PCIe PME i52 derive     Interrupt 52, for device(s): PCIe PME
mce i53 derive     Interrupt 53, for device(s): mce
hvc_console i54 derive     Interrupt 54, for device(s): hvc_console
eth1 i55 derive     Interrupt 55, for device(s): eth1
eth2-rx-0 i56 derive     Interrupt 56, for device(s): eth2-rx-0
eth2-tx-0 i57 derive     Interrupt 57, for device(s): eth2-tx-0
eth2 i58 derive     Interrupt 58, for device(s): eth2
ahci i59 derive     Interrupt 59, for device(s): ahci
evtchn:xenstored i60 derive     Interrupt 60, for device(s): evtchn:xenstored
evtchn:xenstored i61 derive     Interrupt 61, for device(s): evtchn:xenstored
evtchn:xenstored i62 derive     Interrupt 62, for device(s): evtchn:xenstored
evtchn:xenconsoled i63 derive     Interrupt 63, for device(s): evtchn:xenconsoled
blkif-backend i64 derive     Interrupt 64, for device(s): blkif-backend
blkif-backend i65 derive     Interrupt 65, for device(s): blkif-backend
vif1.0-q0-tx i66 derive     Interrupt 66, for device(s): vif1.0-q0-tx
vif1.0-q0-rx i67 derive     Interrupt 67, for device(s): vif1.0-q0-rx
blkif-backend i68 derive     Interrupt 68, for device(s): blkif-backend
blkif-backend i69 derive     Interrupt 69, for device(s): blkif-backend
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