GEOSCOPE - Munin :: Perso :: bunnahabhain

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	Info
dmar0 [120]	i120	derive	Interrupt 120, for device(s): dmar0
dmar1 [121]	i121	derive	Interrupt 121, for device(s): dmar1
pcie-dpc [122]	i122	derive	Interrupt 122, for device(s): pcie-dpc
pcie-dpc [123]	i123	derive	Interrupt 123, for device(s): pcie-dpc
pcie-dpc [124]	i124	derive	Interrupt 124, for device(s): pcie-dpc
xhci_hcd [125]	i125	derive	Interrupt 125, for device(s): xhci_hcd
rtsx_pci [133]	i133	derive	Interrupt 133, for device(s): rtsx_pci
ahci[0000:00:17.0] [134]	i134	derive	Interrupt 134, for device(s): ahci[0000:00:17.0]
enp3s0 [135]	i135	derive	Interrupt 135, for device(s): enp3s0
enp3s0-TxRx-0 [136]	i136	derive	Interrupt 136, for device(s): enp3s0-TxRx-0
enp3s0-TxRx-1 [137]	i137	derive	Interrupt 137, for device(s): enp3s0-TxRx-1
enp3s0-TxRx-2 [138]	i138	derive	Interrupt 138, for device(s): enp3s0-TxRx-2
enp3s0-TxRx-3 [139]	i139	derive	Interrupt 139, for device(s): enp3s0-TxRx-3
INT3450:00 [14]	i14	derive	Interrupt 14, for device(s): INT3450:00
eno2 [140]	i140	derive	Interrupt 140, for device(s): eno2
nvme0q0 [141]	i141	derive	Interrupt 141, for device(s): nvme0q0
nvme0q1 [142]	i142	derive	Interrupt 142, for device(s): nvme0q1
nvme0q2 [143]	i143	derive	Interrupt 143, for device(s): nvme0q2
nvme0q3 [144]	i144	derive	Interrupt 144, for device(s): nvme0q3
nvme0q4 [145]	i145	derive	Interrupt 145, for device(s): nvme0q4
nvme0q5 [146]	i146	derive	Interrupt 146, for device(s): nvme0q5
nvme0q6 [147]	i147	derive	Interrupt 147, for device(s): nvme0q6
nvme0q7 [148]	i148	derive	Interrupt 148, for device(s): nvme0q7
nvme0q8 [149]	i149	derive	Interrupt 149, for device(s): nvme0q8
i915 [150]	i150	derive	Interrupt 150, for device(s): i915
mei_me [151]	i151	derive	Interrupt 151, for device(s): mei_me
iwlwifi [152]	i152	derive	Interrupt 152, for device(s): iwlwifi
snd_hda_intel:card1 [153]	i153	derive	Interrupt 153, for device(s): snd_hda_intel:card1
i2c_designware.0 [16]	i16	derive	Interrupt 16, for device(s): i2c_designware.0
i801_smbus [21]	i21	derive	Interrupt 21, for device(s): i801_smbus
rtc0 [8]	i8	derive	Interrupt 8, for device(s): rtc0
acpi [9]	i9	derive	Interrupt 9, for device(s): acpi
Function call interrupts	iCAL	derive	Interrupt CAL (Function call interrupts)
Deferred Error APIC interrupts	iDFR	derive	Interrupt DFR (Deferred Error APIC interrupts)
IRQ work interrupts	iIWI	derive	Interrupt IWI (IRQ work interrupts)
Local timer interrupts	iLOC	derive	Local (pr. CPU core) APIC timer interrupt. Until 2.6.21 normaly 250 or 1000 pr second. On modern 'tickless' kernels it more or less reflects how busy the machine is.
Machine check exceptions	iMCE	derive	Interrupt MCE (Machine check exceptions)
Machine check polls	iMCP	derive	Interrupt MCP (Machine check polls)
Non-maskable interrupts	iNMI	derive	Nonmaskable interrupt. Either 0 or quite high. If it's normaly 0 then just one NMI will often mark some hardware failure.
Nested posted-interrupt event	iNPI	derive	Interrupt NPI (Nested posted-interrupt event)
Posted-interrupt notification event	iPIN	derive	Interrupt PIN (Posted-interrupt notification event)
Posted-interrupt wakeup event	iPIW	derive	Interrupt PIW (Posted-interrupt wakeup event)
Performance monitoring interrupts	iPMI	derive	Interrupt PMI (Performance monitoring interrupts)
Rescheduling interrupts	iRES	derive	Interrupt RES (Rescheduling interrupts)
APIC ICR read retries	iRTR	derive	Interrupt RTR (APIC ICR read retries)
Spurious interrupts	iSPU	derive	Interrupt SPU (Spurious interrupts)
Threshold APIC interrupts	iTHR	derive	Interrupt THR (Threshold APIC interrupts)
TLB shootdowns	iTLB	derive	Interrupt TLB (TLB shootdowns)
Thermal event interrupts	iTRM	derive	Interrupt TRM (Thermal event interrupts)