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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	Warning	Critical	Info
2-edge timer	i0	derive			Interrupt 0, for device(s): 2-edge timer
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
14-fasteoi INTC1057:00	i14	derive			Interrupt 14, for device(s): 14-fasteoi INTC1057:00
16-fasteoi i801_smbus, idma64.1, mmc0	i16	derive			Interrupt 16, for device(s): 16-fasteoi i801_smbus, idma64.1, mmc0
27-fasteoi idma64.0, i2c_designware.0	i27	derive			Interrupt 27, for device(s): 27-fasteoi idma64.0, i2c_designware.0
37-fasteoi idma64.2, pxa2xx-spi.2	i37	derive			Interrupt 37, for device(s): 37-fasteoi idma64.2, pxa2xx-spi.2
0-edge dmar0	i120	derive			Interrupt 120, for device(s): 0-edge dmar0
1-edge dmar1	i121	derive			Interrupt 121, for device(s): 1-edge dmar1
0-edge eth-uplink	i126	derive			Interrupt 126, for device(s): 0-edge eth-uplink
0-edge xhci_hcd	i127	derive			Interrupt 127, for device(s): 0-edge xhci_hcd
0-edge nvme0q0	i128	derive			Interrupt 128, for device(s): 0-edge nvme0q0
1-edge nvme0q1	i130	derive			Interrupt 130, for device(s): 1-edge nvme0q1
2-edge nvme0q2	i131	derive			Interrupt 131, for device(s): 2-edge nvme0q2
3-edge nvme0q3	i132	derive			Interrupt 132, for device(s): 3-edge nvme0q3
4-edge nvme0q4	i133	derive			Interrupt 133, for device(s): 4-edge nvme0q4
0-edge mei_me	i134	derive			Interrupt 134, for device(s): 0-edge mei_me
0-edge iwlwifi	i135	derive			Interrupt 135, for device(s): 0-edge iwlwifi
0-edge i915	i136	derive			Interrupt 136, for device(s): 0-edge i915
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