send_boot_metrics

#!/bin/sh

# Copyright (c) 2010 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.

FREQ=$(cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq)
AWK_PROG='
  /Initial TSC value:/ {
    sub(".*Initial TSC value: ", "")
    initial_tsc = $0
    exit
  }
  END {
    printf "%.2f", initial_tsc / ('$FREQ' * 1000.0)
  }
'
FIRMWARE_TIME=$(dmesg | awk "$AWK_PROG")

# TODO(jrbarnette): This is a concession to existing chrome code
# that uses the value for reporting metrics to UMA. We'd like to
# move that reporting here, to reduce coupling with chrome.  Once
# we've moved the metrics reporting here, the code to create this
# file can be removed.
echo $FIRMWARE_TIME >/tmp/firmware-boot-time

# usage:
#   report_disk_metrics <read-sectors> <write-sectors>
report_disk_metrics() {
  metrics_client Platform.BootSectorsRead $1 1 1000000 50
  metrics_client Platform.BootSectorsWritten $2 1 10000 50
}

report_disk_metrics $(
  bootstat_get_last boot-complete read-sectors write-sectors)

send_metrics_on_resume -b

# Report disk health from SMART (S.M.A.R.T.) parameters.
# The first printf avoids a newline in $smart.
smart="$(/usr/sbin/smartctl -A $(/usr/bin/rootdev -d) | \
  awk '
/^187/ { printf "%d ", $10; }
/^199/ { print $10; }
')"
# smart now contains two numbers, for instance "10 20".  Extract each number
# using prefix and suffix substitutions.  This would less cryptic if dash had
# arrays.
metrics_client Platform.SmartUncorrectableErrors ${smart% *} 1 1000000 20
metrics_client Platform.SmartTransferErrors      ${smart#* } 1 1000000 20