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calerogers cadd845b36 Irqstat input plugin (#2494) 
closes #2469
 		2017-04-13 15:53:02 -07:00
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README.md Irqstat input plugin (#2494) 2017-04-13 15:53:02 -07:00
interrupts.go Irqstat input plugin (#2494) 2017-04-13 15:53:02 -07:00
interrupts_test.go Irqstat input plugin (#2494) 2017-04-13 15:53:02 -07:00

README.md

Interrupts Input Plugin

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

Configuration

[[inputs.interrupts]]
  ## A list of IRQs to include for metric ingestion, if not specified
  ## will default to collecting all IRQs.
  include = ["0", "1", "30", "NET_RX"]

Measurements

There are two measurements reported by this plugin.

  • interrupts gathers metrics from the /proc/interrupts file
  • soft_interrupts gathers metrics from the /proc/softirqs file

Fields

  • CPUx: the amount of interrupts for the IRQ handled by that CPU
  • total: total amount of interrupts for all CPUs

Tags

  • irq: the IRQ
  • type: the type of interrupt
  • device: the name of the device that is located at that IRQ

Example Output

./telegraf -config ~/interrupts_config.conf -test
* Plugin: inputs.interrupts, Collection 1
> interrupts,irq=0,type=IO-APIC,device=2-edge\ timer,host=hostname CPU0=23i,total=23i 1489346531000000000
> interrupts,irq=1,host=hostname,type=IO-APIC,device=1-edge\ i8042 CPU0=9i,total=9i 1489346531000000000
> interrupts,irq=30,type=PCI-MSI,device=65537-edge\ virtio1-input.0,host=hostname CPU0=1i,total=1i 1489346531000000000
> soft_interrupts,irq=NET_RX,host=hostname CPU0=280879i,total=280879i 1489346531000000000