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 |
1-ioapic-edge i8042 |
i1 |
derive |
|
|
Interrupt 1, for device(s): 1-ioapic-edge i8042 |
6-ioapic-edge floppy |
i6 |
derive |
|
|
Interrupt 6, for device(s): 6-ioapic-edge floppy |
7-ioapic-edge parport0 |
i7 |
derive |
|
|
Interrupt 7, for device(s): 7-ioapic-edge parport0 |
8-ioapic-edge rtc0 |
i8 |
derive |
|
|
Interrupt 8, for device(s): 8-ioapic-edge rtc0 |
9-ioapic-level acpi |
i9 |
derive |
|
|
Interrupt 9, for device(s): 9-ioapic-level acpi |
12-ioapic-edge i8042 |
i12 |
derive |
|
|
Interrupt 12, for device(s): 12-ioapic-edge i8042 |
14-edge ata_piix |
i14 |
derive |
|
|
Interrupt 14, for device(s): 14-edge ata_piix |
15-edge ata_piix |
i15 |
derive |
|
|
Interrupt 15, for device(s): 15-edge ata_piix |
-ioapic-level uhci_hcd:usb1 |
i23 |
derive |
|
|
Interrupt 23, for device(s): -ioapic-level uhci_hcd:usb1 |
-virq timer0 |
i48 |
derive |
|
|
Interrupt 48, for device(s): -virq timer0 |
-ipi resched0 |
i49 |
derive |
|
|
Interrupt 49, for device(s): -ipi resched0 |
-ipi callfunc0 |
i50 |
derive |
|
|
Interrupt 50, for device(s): -ipi callfunc0 |
-virq debug0 |
i51 |
derive |
|
|
Interrupt 51, for device(s): -virq debug0 |
-ipi callfuncsingle0 |
i52 |
derive |
|
|
Interrupt 52, for device(s): -ipi callfuncsingle0 |
-ipi spinlock0 |
i53 |
derive |
|
|
Interrupt 53, for device(s): -ipi spinlock0 |
-virq timer1 |
i54 |
derive |
|
|
Interrupt 54, for device(s): -virq timer1 |
-ipi resched1 |
i55 |
derive |
|
|
Interrupt 55, for device(s): -ipi resched1 |
-ipi callfunc1 |
i56 |
derive |
|
|
Interrupt 56, for device(s): -ipi callfunc1 |
-virq debug1 |
i57 |
derive |
|
|
Interrupt 57, for device(s): -virq debug1 |
-ipi callfuncsingle1 |
i58 |
derive |
|
|
Interrupt 58, for device(s): -ipi callfuncsingle1 |
-ipi spinlock1 |
i59 |
derive |
|
|
Interrupt 59, for device(s): -ipi spinlock1 |
-virq timer2 |
i60 |
derive |
|
|
Interrupt 60, for device(s): -virq timer2 |
-ipi resched2 |
i61 |
derive |
|
|
Interrupt 61, for device(s): -ipi resched2 |
-ipi callfunc2 |
i62 |
derive |
|
|
Interrupt 62, for device(s): -ipi callfunc2 |
-virq debug2 |
i63 |
derive |
|
|
Interrupt 63, for device(s): -virq debug2 |
-ipi callfuncsingle2 |
i64 |
derive |
|
|
Interrupt 64, for device(s): -ipi callfuncsingle2 |
-ipi spinlock2 |
i65 |
derive |
|
|
Interrupt 65, for device(s): -ipi spinlock2 |
-virq timer3 |
i66 |
derive |
|
|
Interrupt 66, for device(s): -virq timer3 |
-ipi resched3 |
i67 |
derive |
|
|
Interrupt 67, for device(s): -ipi resched3 |
-ipi callfunc3 |
i68 |
derive |
|
|
Interrupt 68, for device(s): -ipi callfunc3 |
-virq debug3 |
i69 |
derive |
|
|
Interrupt 69, for device(s): -virq debug3 |
-ipi callfuncsingle3 |
i70 |
derive |
|
|
Interrupt 70, for device(s): -ipi callfuncsingle3 |
-ipi spinlock3 |
i71 |
derive |
|
|
Interrupt 71, for device(s): -ipi spinlock3 |
-event xenbus |
i72 |
derive |
|
|
Interrupt 72, for device(s): -event xenbus |
-event hvc_console |
i73 |
derive |
|
|
Interrupt 73, for device(s): -event hvc_console |
-event blkif |
i74 |
derive |
|
|
Interrupt 74, for device(s): -event blkif |
-event blkif |
i75 |
derive |
|
|
Interrupt 75, for device(s): -event blkif |
-event vif0-q0-tx |
i76 |
derive |
|
|
Interrupt 76, for device(s): -event vif0-q0-tx |
-event vif0-q0-rx |
i77 |
derive |
|
|
Interrupt 77, for device(s): -event vif0-q0-rx |
-event vif0-q1-tx |
i78 |
derive |
|
|
Interrupt 78, for device(s): -event vif0-q1-tx |
-event vif0-q1-rx |
i79 |
derive |
|
|
Interrupt 79, for device(s): -event vif0-q1-rx |
-event vif0-q2-tx |
i80 |
derive |
|
|
Interrupt 80, for device(s): -event vif0-q2-tx |
-event vif0-q2-rx |
i81 |
derive |
|
|
Interrupt 81, for device(s): -event vif0-q2-rx |
-event vif0-q3-tx |
i82 |
derive |
|
|
Interrupt 82, for device(s): -event vif0-q3-tx |
-event vif0-q3-rx |
i83 |
derive |
|
|
Interrupt 83, for device(s): -event vif0-q3-rx |
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 |
Hypervisor callback interrupts |
iHYP |
derive |
|
|
Interrupt HYP, for device(s): Hypervisor callback interrupts |
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 |