Service graphs

daily graph weekly graph
monthly graph yearly graph

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
uhci_hcd:usb3 i17 derive     Interrupt 17, for device(s): uhci_hcd:usb3
uhci_hcd:usb4 i18 derive     Interrupt 18, for device(s): uhci_hcd:usb4
ehci_hcd:usb1 i19 derive     Interrupt 19, for device(s): ehci_hcd:usb1
uhci_hcd:usb6 i20 derive     Interrupt 20, for device(s): uhci_hcd:usb6
ehci_hcd:usb2, uhci_hcd:usb5 i21 derive     Interrupt 21, for device(s): ehci_hcd:usb2, uhci_hcd:usb5
ata_piix i23 derive     Interrupt 23, for device(s): ata_piix
megasas i33 derive     Interrupt 33, for device(s): megasas
ahci i63 derive     Interrupt 63, for device(s): ahci
eth0-0 i64 derive     Interrupt 64, for device(s): eth0-0
eth0-1 i65 derive     Interrupt 65, for device(s): eth0-1
eth0-2 i66 derive     Interrupt 66, for device(s): eth0-2
eth0-3 i67 derive     Interrupt 67, for device(s): eth0-3
eth0-4 i68 derive     Interrupt 68, for device(s): eth0-4
eth0-5 i69 derive     Interrupt 69, for device(s): eth0-5
eth0-6 i70 derive     Interrupt 70, for device(s): eth0-6
eth0-7 i71 derive     Interrupt 71, for device(s): eth0-7
eth3-0 i73 derive     Interrupt 73, for device(s): eth3-0
eth3-1 i74 derive     Interrupt 74, for device(s): eth3-1
eth3-2 i75 derive     Interrupt 75, for device(s): eth3-2
eth3-3 i76 derive     Interrupt 76, for device(s): eth3-3
eth3-4 i77 derive     Interrupt 77, for device(s): eth3-4
eth3-5 i78 derive     Interrupt 78, for device(s): eth3-5
eth3-6 i79 derive     Interrupt 79, for device(s): eth3-6
eth3-7 i80 derive     Interrupt 80, for device(s): eth3-7
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
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