# Copyright (c) 2014 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

description   "Report smart metrics once per boot"
author        "chromium-os-dev@chromium.org"

start on started system-services

script
  # Report disk health from SMART (S.M.A.R.T.) parameters.
  # usage:
  #   report_smart_metrics <uncorrectable-errors> <transfer-errors>
  report_smart_metrics() {
    metrics_client Platform.SmartUncorrectableErrors $1 1 1000000 20
    metrics_client Platform.SmartTransferErrors      $2 1 1000000 20
  }

  GET_SMART_ERRORS='
    BEGIN { uncorr = 0; txfer = 0 }
    $2 == "Reported_Uncorrect" { uncorr = $10 }
    $2 == "UDMA_CRC_Error_Count" { txfer = $10 }
    END { print uncorr, txfer }
  '
  report_smart_metrics $(
    smartctl -A $(rootdev -s -d) | awk "$GET_SMART_ERRORS")
end script