Swap Input Plugin

The swap plugin collects system swap metrics.

For more information on what swap memory is, read All about Linux swap space.

Configuration:

# Read metrics about swap memory usage
[[inputs.swap]]
  # no configuration

Metrics:

swap
- fields:
  - free (int, bytes): free swap memory
  - total (int, bytes): total swap memory
  - used (int, bytes): used swap memory
  - used_percent (float, percent): percentage of swap memory used
  - in (int, bytes): data swapped in since last boot calculated from page number
  - out (int, bytes): data swapped out since last boot calculated from page number

Example Output:

swap total=20855394304i,used_percent=45.43883523785713,used=9476448256i,free=1715331072i 1511894782000000000