interrupts

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Published: Oct 2, 2023 License: MIT Imports: 9 Imported by: 11

README

Interrupts Input Plugin

The interrupts plugin gathers metrics about IRQs from /proc/interrupts and /proc/softirqs.

Global configuration options

In addition to the plugin-specific configuration settings, plugins support additional global and plugin configuration settings. These settings are used to modify metrics, tags, and field or create aliases and configure ordering, etc. See the CONFIGURATION.md for more details.

Configuration

# This plugin gathers interrupts data from /proc/interrupts and /proc/softirqs.
[[inputs.interrupts]]
  ## When set to true, cpu metrics are tagged with the cpu.  Otherwise cpu is
  ## stored as a field.
  ##
  ## The default is false for backwards compatibility, and will be changed to
  ## true in a future version.  It is recommended to set to true on new
  ## deployments.
  # cpu_as_tag = false

  ## To filter which IRQs to collect, make use of tagpass / tagdrop, i.e.
  # [inputs.interrupts.tagdrop]
  #   irq = [ "NET_RX", "TASKLET" ]

Metrics

There are two styles depending on the value of cpu_as_tag.

With cpu_as_tag = false:

  • interrupts

    • tags:
      • irq (IRQ name)
      • type
      • device (name of the device that is located at the IRQ)
      • cpu
    • fields:
      • cpu (int, number of interrupts per cpu)
      • total (int, total number of interrupts)
  • soft_interrupts

    • tags:
      • irq (IRQ name)
      • type
      • device (name of the device that is located at the IRQ)
      • cpu
    • fields:
      • cpu (int, number of interrupts per cpu)
      • total (int, total number of interrupts)

With cpu_as_tag = true:

  • interrupts

    • tags:
      • irq (IRQ name)
      • type
      • device (name of the device that is located at the IRQ)
      • cpu
    • fields:
      • count (int, number of interrupts)
  • soft_interrupts

    • tags:
      • irq (IRQ name)
      • type
      • device (name of the device that is located at the IRQ)
      • cpu
    • fields:
      • count (int, number of interrupts)

Example Output

With cpu_as_tag = false:

interrupts,irq=0,type=IO-APIC,device=2-edge\ timer,cpu=cpu0 count=23i 1489346531000000000
interrupts,irq=1,type=IO-APIC,device=1-edge\ i8042,cpu=cpu0 count=9i 1489346531000000000
interrupts,irq=30,type=PCI-MSI,device=65537-edge\ virtio1-input.0,cpu=cpu1 count=1i 1489346531000000000
soft_interrupts,irq=NET_RX,cpu=cpu0 count=280879i 1489346531000000000

With cpu_as_tag = true:

interrupts,cpu=cpu6,irq=PIW,type=Posted-interrupt\ wakeup\ event count=0i 1543539773000000000
interrupts,cpu=cpu7,irq=PIW,type=Posted-interrupt\ wakeup\ event count=0i 1543539773000000000
soft_interrupts,cpu=cpu0,irq=HI count=246441i 1543539773000000000
soft_interrupts,cpu=cpu1,irq=HI count=159154i 1543539773000000000

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

This section is empty.

Types

type IRQ

type IRQ struct {
	ID     string
	Type   string
	Device string
	Total  int64
	Cpus   []int64
}

func NewIRQ

func NewIRQ(id string) *IRQ

type Interrupts

type Interrupts struct {
	CPUAsTag bool `toml:"cpu_as_tag"`
}

func (*Interrupts) Gather

func (s *Interrupts) Gather(acc telegraf.Accumulator) error

func (*Interrupts) SampleConfig

func (*Interrupts) SampleConfig() string

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