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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
vgic [25]	i9	derive			Interrupt 9, for device(s): vgic [25]
arch_timer [30]	i11	derive			Interrupt 11, for device(s): arch_timer [30]
kvm guest vtimer [27]	i12	derive			Interrupt 12, for device(s): kvm guest vtimer [27]
fe00b880.mailbox [65]	i14	derive			Interrupt 14, for device(s): fe00b880.mailbox [65]
DMA IRQ [114]	i15	derive			Interrupt 15, for device(s): DMA IRQ [114]
DMA IRQ [116]	i16	derive			Interrupt 16, for device(s): DMA IRQ [116]
DMA IRQ [117]	i17	derive			Interrupt 17, for device(s): DMA IRQ [117]
DMA IRQ [118]	i18	derive			Interrupt 18, for device(s): DMA IRQ [118]
DMA IRQ, DMA IRQ [119]	i19	derive			Interrupt 19, for device(s): DMA IRQ, DMA IRQ [119]
arm-pmu [48]	i23	derive			Interrupt 23, for device(s): arm-pmu [48]
arm-pmu [49]	i24	derive			Interrupt 24, for device(s): arm-pmu [49]
arm-pmu [50]	i25	derive			Interrupt 25, for device(s): arm-pmu [50]
arm-pmu [51]	i26	derive			Interrupt 26, for device(s): arm-pmu [51]
eth0 [189]	i31	derive			Interrupt 31, for device(s): eth0 [189]
eth0 [190]	i32	derive			Interrupt 32, for device(s): eth0 [190]
STB PCIe MSI 524288 Edge xhci_hcd	i34	derive			Interrupt 34, for device(s): STB PCIe MSI 524288 Edge xhci_hcd
STB PCIe MSI 524289 Edge xhci_hcd	i35	derive			Interrupt 35, for device(s): STB PCIe MSI 524289 Edge xhci_hcd
STB PCIe MSI 524290 Edge xhci_hcd	i36	derive			Interrupt 36, for device(s): STB PCIe MSI 524290 Edge xhci_hcd
STB PCIe MSI 524291 Edge xhci_hcd	i37	derive			Interrupt 37, for device(s): STB PCIe MSI 524291 Edge xhci_hcd
STB PCIe MSI 524292 Edge xhci_hcd	i38	derive			Interrupt 38, for device(s): STB PCIe MSI 524292 Edge xhci_hcd
xhci-hcd:usb3 [208]	i39	derive			Interrupt 39, for device(s): xhci-hcd:usb3 [208]
VCHIQ doorbell [66]	i40	derive			Interrupt 40, for device(s): VCHIQ doorbell [66]
uart-pl011 [153]	i41	derive			Interrupt 41, for device(s): uart-pl011 [153]
mmc0 [158]	i42	derive			Interrupt 42, for device(s): mmc0 [158]
fe204000.spi [150]	i43	derive			Interrupt 43, for device(s): fe204000.spi [150]
fe205000.i2c, fe804000.i2c [149]	i44	derive			Interrupt 44, for device(s): fe205000.i2c, fe804000.i2c [149]
feb10000.codec [130]	i45	derive			Interrupt 45, for device(s): feb10000.codec [130]
v3d [106]	i46	derive			Interrupt 46, for device(s): v3d [106]
vc4 hvs [129]	i47	derive			Interrupt 47, for device(s): vc4 hvs [129]
vc4 hdmi hpd connected [4]	i48	derive			Interrupt 48, for device(s): vc4 hdmi hpd connected [4]
vc4 hdmi hpd disconnected [5]	i49	derive			Interrupt 49, for device(s): vc4 hdmi hpd disconnected [5]
vc4 hdmi cec rx [1]	i50	derive			Interrupt 50, for device(s): vc4 hdmi cec rx [1]
vc4 hdmi cec tx [0]	i51	derive			Interrupt 51, for device(s): vc4 hdmi cec tx [0]
vc4 hdmi hpd connected [10]	i52	derive			Interrupt 52, for device(s): vc4 hdmi hpd connected [10]
vc4 hdmi hpd disconnected [11]	i53	derive			Interrupt 53, for device(s): vc4 hdmi hpd disconnected [11]
vc4 hdmi cec rx [7]	i54	derive			Interrupt 54, for device(s): vc4 hdmi cec rx [7]
vc4 hdmi cec tx [8]	i55	derive			Interrupt 55, for device(s): vc4 hdmi cec tx [8]
fe004000.txp [107]	i56	derive			Interrupt 56, for device(s): fe004000.txp [107]
vc4 crtc [141]	i57	derive			Interrupt 57, for device(s): vc4 crtc [141]
vc4 crtc, vc4 crtc [142]	i58	derive			Interrupt 58, for device(s): vc4 crtc, vc4 crtc [142]
vc4 crtc [133]	i59	derive			Interrupt 59, for device(s): vc4 crtc [133]
vc4 crtc [138]	i60	derive			Interrupt 60, for device(s): vc4 crtc [138]
gt911 [22]	i61	derive			Interrupt 61, for device(s): gt911 [22]
TE_GPIO [9]	i62	derive			Interrupt 62, for device(s): TE_GPIO [9]
Rescheduling interrupts	iIPI0	derive			Interrupt IPI0, for device(s): Rescheduling interrupts
Function call interrupts	iIPI1	derive			Interrupt IPI1, for device(s): Function call interrupts
CPU stop interrupts	iIPI2	derive			Interrupt IPI2, for device(s): CPU stop interrupts
CPU stop (for crash dump) interrupts	iIPI3	derive			Interrupt IPI3, for device(s): CPU stop (for crash dump) interrupts
Timer broadcast interrupts	iIPI4	derive			Interrupt IPI4, for device(s): Timer broadcast interrupts
IRQ work interrupts	iIPI5	derive			Interrupt IPI5, for device(s): IRQ work interrupts
CPU wake-up interrupts	iIPI6	derive			Interrupt IPI6, for device(s): CPU wake-up interrupts
Err	iErr	derive