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 |
---|---|---|---|---|---|
3f00b880.mailbox [1] | i17 | derive | Interrupt 17, for device(s): 3f00b880.mailbox [1] | ||
VCHIQ doorbell [2] | i18 | derive | Interrupt 18, for device(s): VCHIQ doorbell [2] | ||
bcm2708_fb DMA [48] | i40 | derive | Interrupt 40, for device(s): bcm2708_fb DMA [48] | ||
DMA IRQ [50] | i42 | derive | Interrupt 42, for device(s): DMA IRQ [50] | ||
dwc_otg, dwc_otg_pcd, dwc_otg_hcd:usb1 [64] | i56 | derive | Interrupt 56, for device(s): dwc_otg, dwc_otg_pcd, dwc_otg_hcd:usb1 [64] | ||
mmc0 [88] | i80 | derive | Interrupt 80, for device(s): mmc0 [88] | ||
[89] | i81 | derive | Interrupt 81, for device(s): [89] | ||
arch_timer [0] | i161 | derive | Interrupt 161, for device(s): arch_timer [0] | ||
arch_timer [1] | i162 | derive | Interrupt 162, for device(s): arch_timer [1] | ||
arm-pmu [9] | i165 | derive | Interrupt 165, for device(s): arm-pmu [9] | ||
FIQ | iFIQ | derive | |||
CPU wakeup interrupts | iIPI0 | derive | Interrupt IPI0, for device(s): CPU wakeup interrupts | ||
Timer broadcast interrupts | iIPI1 | derive | Interrupt IPI1, for device(s): Timer broadcast interrupts | ||
Rescheduling interrupts | iIPI2 | derive | Interrupt IPI2, for device(s): Rescheduling interrupts | ||
Function call interrupts | iIPI3 | derive | Interrupt IPI3, for device(s): Function call interrupts | ||
CPU stop interrupts | iIPI4 | derive | Interrupt IPI4, for device(s): CPU stop interrupts | ||
IRQ work interrupts | iIPI5 | derive | Interrupt IPI5, for device(s): IRQ work interrupts | ||
completion interrupts | iIPI6 | derive | Interrupt IPI6, for device(s): completion interrupts | ||
Err | iErr | derive |