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 | ||
| 4-edge ttyS0 | i4 | derive | Interrupt 4, for device(s): 4-edge ttyS0 | ||
| 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-edge ipmi_si | i10 | derive | Interrupt 10, for device(s): 10-edge ipmi_si | ||
| 22-fasteoi ehci_hcd:usb2 | i22 | derive | Interrupt 22, for device(s): 22-fasteoi ehci_hcd:usb2 | ||
| 23-fasteoi ehci_hcd:usb1 | i23 | derive | Interrupt 23, for device(s): 23-fasteoi ehci_hcd:usb1 | ||
| 0-edge dmar0 | i24 | derive | Interrupt 24, for device(s): 0-edge dmar0 | ||
| 0-edge PCIe PME, aerdrv, PCIe bwctrl | i26 | derive | Interrupt 26, for device(s): 0-edge PCIe PME, aerdrv, PCIe bwctrl | ||
| 0-edge PCIe PME, aerdrv, PCIe bwctrl | i27 | derive | Interrupt 27, for device(s): 0-edge PCIe PME, aerdrv, PCIe bwctrl | ||
| 0-edge PCIe PME, aerdrv | i28 | derive | Interrupt 28, for device(s): 0-edge PCIe PME, aerdrv | ||
| 0-edge PCIe PME, aerdrv | i29 | derive | Interrupt 29, for device(s): 0-edge PCIe PME, aerdrv | ||
| 0-edge PCIe PME, aerdrv | i30 | derive | Interrupt 30, for device(s): 0-edge PCIe PME, aerdrv | ||
| 0-edge PCIe PME, aerdrv | i31 | derive | Interrupt 31, for device(s): 0-edge PCIe PME, aerdrv | ||
| 0-edge ahci[0000:00:1f.2] | i33 | derive | Interrupt 33, for device(s): 0-edge ahci[0000:00:1f.2] | ||
| 0-edge megasas0-msix0 | i35 | derive | Interrupt 35, for device(s): 0-edge megasas0-msix0 | ||
| 1-edge megasas0-msix1 | i36 | derive | Interrupt 36, for device(s): 1-edge megasas0-msix1 | ||
| 2-edge megasas0-msix2 | i37 | derive | Interrupt 37, for device(s): 2-edge megasas0-msix2 | ||
| 3-edge megasas0-msix3 | i38 | derive | Interrupt 38, for device(s): 3-edge megasas0-msix3 | ||
| 4-edge megasas0-msix4 | i39 | derive | Interrupt 39, for device(s): 4-edge megasas0-msix4 | ||
| 5-edge megasas0-msix5 | i40 | derive | Interrupt 40, for device(s): 5-edge megasas0-msix5 | ||
| 6-edge megasas0-msix6 | i41 | derive | Interrupt 41, for device(s): 6-edge megasas0-msix6 | ||
| 7-edge megasas0-msix7 | i42 | derive | Interrupt 42, for device(s): 7-edge megasas0-msix7 | ||
| 8-edge megasas0-msix8 | i43 | derive | Interrupt 43, for device(s): 8-edge megasas0-msix8 | ||
| 9-edge megasas0-msix9 | i44 | derive | Interrupt 44, for device(s): 9-edge megasas0-msix9 | ||
| 10-edge megasas0-msix10 | i45 | derive | Interrupt 45, for device(s): 10-edge megasas0-msix10 | ||
| 11-edge megasas0-msix11 | i46 | derive | Interrupt 46, for device(s): 11-edge megasas0-msix11 | ||
| 12-edge megasas0-msix12 | i47 | derive | Interrupt 47, for device(s): 12-edge megasas0-msix12 | ||
| 0-edge enp8s0 | i48 | derive | Interrupt 48, for device(s): 0-edge enp8s0 | ||
| 1-edge enp8s0-0 | i49 | derive | Interrupt 49, for device(s): 1-edge enp8s0-0 | ||
| 2-edge enp8s0-1 | i50 | derive | Interrupt 50, for device(s): 2-edge enp8s0-1 | ||
| 3-edge enp8s0-2 | i51 | derive | Interrupt 51, for device(s): 3-edge enp8s0-2 | ||
| 4-edge enp8s0d1-3 | i52 | derive | Interrupt 52, for device(s): 4-edge enp8s0d1-3 | ||
| 5-edge enp8s0d1-4 | i53 | derive | Interrupt 53, for device(s): 5-edge enp8s0d1-4 | ||
| 6-edge enp8s0d1-5 | i54 | derive | Interrupt 54, for device(s): 6-edge enp8s0d1-5 | ||
| 0-edge eno2-tx-0 | i57 | derive | Interrupt 57, for device(s): 0-edge eno2-tx-0 | ||
| 1-edge eno2-rx-1 | i58 | derive | Interrupt 58, for device(s): 1-edge eno2-rx-1 | ||
| 2-edge eno2-rx-2 | i59 | derive | Interrupt 59, for device(s): 2-edge eno2-rx-2 | ||
| 3-edge eno2-rx-3 | i60 | derive | Interrupt 60, for device(s): 3-edge eno2-rx-3 | ||
| 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 | ||
| Perf Guest Mediated PMI | iVPMI | derive | Interrupt VPMI, for device(s): Perf Guest Mediated PMI |