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 | ||
parport0 | i7 | derive | Interrupt 7, for device(s): parport0 | ||
rtc0 | i8 | derive | Interrupt 8, for device(s): rtc0 | ||
acpi | i9 | derive | Interrupt 9, for device(s): acpi | ||
ata_piix | i14 | derive | Interrupt 14, for device(s): ata_piix | ||
ata_piix | i15 | derive | Interrupt 15, for device(s): ata_piix | ||
uhci_hcd:usb3, pata_jmicron | i16 | derive | Interrupt 16, for device(s): uhci_hcd:usb3, pata_jmicron | ||
snd_hda_intel | i17 | derive | Interrupt 17, for device(s): snd_hda_intel | ||
ehci_hcd:usb1, uhci_hcd:usb5, uhci_hcd:usb8 | i18 | derive | Interrupt 18, for device(s): ehci_hcd:usb1, uhci_hcd:usb5, uhci_hcd:usb8 | ||
ata_piix, uhci_hcd:usb7 | i19 | derive | Interrupt 19, for device(s): ata_piix, uhci_hcd:usb7 | ||
firewire_ohci | i20 | derive | Interrupt 20, for device(s): firewire_ohci | ||
uhci_hcd:usb4 | i21 | derive | Interrupt 21, for device(s): uhci_hcd:usb4 | ||
ehci_hcd:usb2, uhci_hcd:usb6 | i23 | derive | Interrupt 23, for device(s): ehci_hcd:usb2, uhci_hcd:usb6 | ||
eth0 | i44 | derive | Interrupt 44, for device(s): eth0 | ||
snd_hda_intel | i45 | derive | Interrupt 45, for device(s): snd_hda_intel | ||
nvidia | i46 | derive | Interrupt 46, for device(s): nvidia | ||
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 | ||
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 |