Service graphs
Graph Information
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-edge i8042 | i1 | derive | Interrupt 1, for device(s): 1-edge i8042 | ||
4-edge ttyS0 | i4 | derive | Interrupt 4, for device(s): 4-edge ttyS0 | ||
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 | ||
10-fasteoi virtio0 | i10 | derive | Interrupt 10, for device(s): 10-fasteoi virtio0 | ||
11-fasteoi uhci_hcd:usb1 | i11 | derive | Interrupt 11, for device(s): 11-fasteoi uhci_hcd:usb1 | ||
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 | ||
1523712-edge virtio3-config | i24 | derive | Interrupt 24, for device(s): 1523712-edge virtio3-config | ||
1523713-edge virtio3-input | i25 | derive | Interrupt 25, for device(s): 1523713-edge virtio3-input | ||
294912-edge virtio1-config | i26 | derive | Interrupt 26, for device(s): 294912-edge virtio1-config | ||
294913-edge virtio1-input.0 | i27 | derive | Interrupt 27, for device(s): 294913-edge virtio1-input.0 | ||
294914-edge virtio1-output.0 | i28 | derive | Interrupt 28, for device(s): 294914-edge virtio1-output.0 | ||
540672-edge virtio2-config | i29 | derive | Interrupt 29, for device(s): 540672-edge virtio2-config | ||
540673-edge virtio2-control | i30 | derive | Interrupt 30, for device(s): 540673-edge virtio2-control | ||
540674-edge virtio2-event | i31 | derive | Interrupt 31, for device(s): 540674-edge virtio2-event | ||
540675-edge virtio2-request | i32 | derive | Interrupt 32, for device(s): 540675-edge virtio2-request | ||
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 |