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 |
---|---|---|---|---|---|
timer | i0 | derive | Interrupt 0, for device(s): timer | ||
i8042 | i1 | derive | Interrupt 1, for device(s): i8042 | ||
rtc0 | i8 | derive | Interrupt 8, for device(s): rtc0 | ||
acpi | i9 | derive | Interrupt 9, for device(s): acpi | ||
i8042 | i12 | derive | Interrupt 12, for device(s): i8042 | ||
ata_piix, ata_piix | i17 | derive | Interrupt 17, for device(s): ata_piix, ata_piix | ||
ehci_hcd:usb2, uhci_hcd:usb3, uhci_hcd:usb6 | i20 | derive | Interrupt 20, for device(s): ehci_hcd:usb2, uhci_hcd:usb3, uhci_hcd:usb6 | ||
ipmi_si | i21 | derive | Interrupt 21, for device(s): ipmi_si | ||
22 | i22 | derive | Interrupt 22, for device(s): ehci_hcd:usb1, uhci_hcd:usb5, uhci_hcd:usb8, uhci_hcd:usb9, hpilo | ||
uhci_hcd:usb4, uhci_hcd:usb7, radeon | i23 | derive | Interrupt 23, for device(s): uhci_hcd:usb4, uhci_hcd:usb7, radeon | ||
hpsa0-msix0 | i27 | derive | Interrupt 27, for device(s): hpsa0-msix0 | ||
hpsa0-msix1 | i28 | derive | Interrupt 28, for device(s): hpsa0-msix1 | ||
ens4f0 | i30 | derive | Interrupt 30, for device(s): ens4f0 | ||
ens4f1 | i32 | derive | Interrupt 32, for device(s): ens4f1 | ||
enp3s4f0 | i33 | derive | Interrupt 33, for device(s): enp3s4f0 | ||
enp3s4f1 | i34 | derive | Interrupt 34, for device(s): enp3s4f1 | ||
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 |