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• Critical (2)
• Warning (4)
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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	Warn	Crit	Info
timer	i0	derive			Interrupt 0, for device(s): timer
4	i4	derive
rtc0	i8	derive			Interrupt 8, for device(s): rtc0
acpi	i9	derive			Interrupt 9, for device(s): acpi
ipmi_si	i10	derive			Interrupt 10, for device(s): ipmi_si
ehci_hcd:usb2	i22	derive			Interrupt 22, for device(s): ehci_hcd:usb2
ehci_hcd:usb1	i23	derive			Interrupt 23, for device(s): ehci_hcd:usb1
dmar0	i88	derive			Interrupt 88, for device(s): dmar0
dmar1	i89	derive			Interrupt 89, for device(s): dmar1
hpet2	i90	derive			Interrupt 90, for device(s): hpet2
hpet3	i91	derive			Interrupt 91, for device(s): hpet3
hpet4	i92	derive			Interrupt 92, for device(s): hpet4
hpet5	i93	derive			Interrupt 93, for device(s): hpet5
hpet6	i94	derive			Interrupt 94, for device(s): hpet6
megasas	i103	derive			Interrupt 103, for device(s): megasas
qla2xxx (default)	i104	derive			Interrupt 104, for device(s): qla2xxx (default)
qla2xxx (rsp_q)	i105	derive			Interrupt 105, for device(s): qla2xxx (rsp_q)
qla2xxx (default)	i106	derive			Interrupt 106, for device(s): qla2xxx (default)
qla2xxx (rsp_q)	i107	derive			Interrupt 107, for device(s): qla2xxx (rsp_q)
ahci	i108	derive			Interrupt 108, for device(s): ahci
eth0-TxRx-0	i142	derive			Interrupt 142, for device(s): eth0-TxRx-0
eth0-TxRx-1	i143	derive			Interrupt 143, for device(s): eth0-TxRx-1
eth0-TxRx-2	i144	derive			Interrupt 144, for device(s): eth0-TxRx-2
eth0-TxRx-3	i145	derive			Interrupt 145, for device(s): eth0-TxRx-3
eth0-TxRx-4	i146	derive			Interrupt 146, for device(s): eth0-TxRx-4
eth0-TxRx-5	i147	derive			Interrupt 147, for device(s): eth0-TxRx-5
eth0-TxRx-6	i148	derive			Interrupt 148, for device(s): eth0-TxRx-6
eth0-TxRx-7	i149	derive			Interrupt 149, for device(s): eth0-TxRx-7
eth0-TxRx-8	i150	derive			Interrupt 150, for device(s): eth0-TxRx-8
eth0-TxRx-9	i151	derive			Interrupt 151, for device(s): eth0-TxRx-9
eth0-TxRx-10	i152	derive			Interrupt 152, for device(s): eth0-TxRx-10
eth0-TxRx-11	i153	derive			Interrupt 153, for device(s): eth0-TxRx-11
eth0-TxRx-12	i154	derive			Interrupt 154, for device(s): eth0-TxRx-12
eth0-TxRx-13	i155	derive			Interrupt 155, for device(s): eth0-TxRx-13
eth0-TxRx-14	i156	derive			Interrupt 156, for device(s): eth0-TxRx-14
eth0-TxRx-15	i157	derive			Interrupt 157, for device(s): eth0-TxRx-15
eth0-TxRx-16	i158	derive			Interrupt 158, for device(s): eth0-TxRx-16
eth0-TxRx-17	i159	derive			Interrupt 159, for device(s): eth0-TxRx-17
eth0-TxRx-18	i160	derive			Interrupt 160, for device(s): eth0-TxRx-18
eth0-TxRx-19	i161	derive			Interrupt 161, for device(s): eth0-TxRx-19
eth0-TxRx-20	i162	derive			Interrupt 162, for device(s): eth0-TxRx-20
eth0-TxRx-21	i163	derive			Interrupt 163, for device(s): eth0-TxRx-21
eth0-TxRx-22	i164	derive			Interrupt 164, for device(s): eth0-TxRx-22
eth0-TxRx-23	i165	derive			Interrupt 165, for device(s): eth0-TxRx-23
eth0-TxRx-24	i166	derive			Interrupt 166, for device(s): eth0-TxRx-24
eth0-TxRx-25	i167	derive			Interrupt 167, for device(s): eth0-TxRx-25
eth0-TxRx-26	i168	derive			Interrupt 168, for device(s): eth0-TxRx-26
eth0-TxRx-27	i169	derive			Interrupt 169, for device(s): eth0-TxRx-27
eth0-TxRx-28	i170	derive			Interrupt 170, for device(s): eth0-TxRx-28
eth0-TxRx-29	i171	derive			Interrupt 171, for device(s): eth0-TxRx-29
eth0-TxRx-30	i172	derive			Interrupt 172, for device(s): eth0-TxRx-30
eth0-TxRx-31	i173	derive			Interrupt 173, for device(s): eth0-TxRx-31
eth0	i174	derive			Interrupt 174, for device(s): eth0
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