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 |
1-edge i8042 |
i1 |
derive |
|
|
Interrupt 1, for device(s): 1-edge i8042 |
6-edge floppy |
i6 |
derive |
|
|
Interrupt 6, for device(s): 6-edge floppy |
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 |
11-fasteoi uhci_hcd:usb1, virtio4 |
i11 |
derive |
|
|
Interrupt 11, for device(s): 11-fasteoi uhci_hcd:usb1, virtio4 |
12-edge i8042 |
i12 |
derive |
|
|
Interrupt 12, for device(s): 12-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 |
49152-edge virtio0-config |
i24 |
derive |
|
|
Interrupt 24, for device(s): 49152-edge virtio0-config |
49153-edge virtio0-input.0 |
i25 |
derive |
|
|
Interrupt 25, for device(s): 49153-edge virtio0-input.0 |
49154-edge virtio0-output.0 |
i26 |
derive |
|
|
Interrupt 26, for device(s): 49154-edge virtio0-output.0 |
98304-edge virtio3-config |
i27 |
derive |
|
|
Interrupt 27, for device(s): 98304-edge virtio3-config |
98305-edge virtio3-req.0 |
i28 |
derive |
|
|
Interrupt 28, for device(s): 98305-edge virtio3-req.0 |
98306-edge virtio3-req.1 |
i29 |
derive |
|
|
Interrupt 29, for device(s): 98306-edge virtio3-req.1 |
81920-edge virtio2-config |
i30 |
derive |
|
|
Interrupt 30, for device(s): 81920-edge virtio2-config |
81921-edge virtio2-control |
i31 |
derive |
|
|
Interrupt 31, for device(s): 81921-edge virtio2-control |
81922-edge virtio2-event |
i32 |
derive |
|
|
Interrupt 32, for device(s): 81922-edge virtio2-event |
81923-edge virtio2-request |
i33 |
derive |
|
|
Interrupt 33, for device(s): 81923-edge virtio2-request |
81924-edge virtio2-request |
i34 |
derive |
|
|
Interrupt 34, for device(s): 81924-edge virtio2-request |
147456-edge virtio5-config |
i35 |
derive |
|
|
Interrupt 35, for device(s): 147456-edge virtio5-config |
147457-edge virtio5-input |
i36 |
derive |
|
|
Interrupt 36, for device(s): 147457-edge virtio5-input |
65536-edge virtio1-config |
i37 |
derive |
|
|
Interrupt 37, for device(s): 65536-edge virtio1-config |
65537-edge virtio1-virtqueues |
i38 |
derive |
|
|
Interrupt 38, for device(s): 65537-edge virtio1-virtqueues |
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 |