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Overview

Please find HLD for dut_monitor plugin - https://github.com/sonic-net/SONiC/blob/master/doc/DUT_monitor_HLD.md

Current plugin implements verification the hardware resources consumed by a device. The hardware resources which are currently verified are CPU, RAM and HDD. Verification is based on thresholds defind in "thresholds.yml" file.

Usage example

To enable "dut_monitor" plugin, use "--dut_monitor" pytest option. It will monitor hardware resources per each test case.

To specify custom thresholds file use "--thresholds_file" pytest option. Example: --thresholds_file THRESHOLDS_FILE_PATH

General flow:
  • Starts DUT monitoring before test start
  • Stops DUT monitoring after test finish
  • Get measured values and compare them with defined thresholds
  • Pytest error will be generated if any of resources exceed the defined threshold