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 |
---|---|---|---|---|---|
timer0 | i16 | derive | Interrupt 16, for device(s): timer0 | ||
resched0 | i17 | derive | Interrupt 17, for device(s): resched0 | ||
callfunc0 | i18 | derive | Interrupt 18, for device(s): callfunc0 | ||
debug0 | i19 | derive | Interrupt 19, for device(s): debug0 | ||
callfuncsingle0 | i20 | derive | Interrupt 20, for device(s): callfuncsingle0 | ||
xenbus | i21 | derive | Interrupt 21, for device(s): xenbus | ||
hvc_console | i22 | derive | Interrupt 22, for device(s): hvc_console | ||
eth0 | i23 | derive | Interrupt 23, for device(s): eth0 | ||
blkif | i24 | derive | Interrupt 24, for device(s): blkif | ||
eth1 | i25 | derive | Interrupt 25, for device(s): eth1 | ||
eth2 | i26 | derive | Interrupt 26, for device(s): eth2 | ||
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 |