load_monitor

#! /bin/sh
# load_monitor (Bourne shell script) -- continously outputs the system load
#
# Each line is prefixed with the number of seconds since the Epoch, because
# this is easier to analyse using a program.
#
# Usage: load_monitor [ <delay> ]

# 5 seconds is the default
DELAY=${1-5}

while true
do
  echo "$(date +%s): $(cut -d' ' -f1-3 /proc/loadavg)"
  sleep $DELAY
done