charts.d/cpu_apps.chart.sh

   1 #!/bin/sh
   2
   3 # THIS PLUGIN IS OBSOLETE
   4 # USE apps.plugin INSTEAD
   5
   6 # a space separated list of command to monitor
   7 cpu_apps_apps=
   8
   9 # these are required for computing memory in bytes and cpu in seconds
  10 #cpu_apps_pagesize="`getconf PAGESIZE`"
  11 cpu_apps_clockticks="$(getconf CLK_TCK)"
  12
  13 cpu_apps_update_every=60
  14
  15 cpu_apps_check() {
  16         # this should return:
  17         #  - 0 to enable the chart
  18         #  - 1 to disable the chart
  19
  20         if [ -z "$cpu_apps_apps" ]
  21         then
  22                 echo >&2 "$PROGRAM_NAME: cpu_apps: Please set cpu_apps_apps='command1 command2 ...' in $confd/cpu_apps_apps.conf"
  23                 return 1
  24         fi
  25         return 0
  26 }
  27
  28 cpu_apps_bc_finalze=
  29
  30 cpu_apps_create() {
  31
  32         echo "CHART chartsd_apps.cpu '' 'Apps CPU' 'milliseconds / $cpu_apps_update_every sec' apps apps stacked 20001 $cpu_apps_update_every"
  33
  34         local x=
  35         for x in $cpu_apps_apps
  36         do
  37                 echo "DIMENSION $x $x incremental 1000 $cpu_apps_clockticks"
  38
  39                 # this string is needed later in the update() function
  40                 # to finalize the instructions for the bc command
  41                 cpu_apps_bc_finalze="$cpu_apps_bc_finalze \"SET $x = \"; $x;"
  42         done
  43         return 0
  44 }
  45
  46 cpu_apps_update() {
  47         # do all the work to collect / calculate the values
  48         # for each dimension
  49         # remember: KEEP IT SIMPLE AND SHORT
  50
  51         echo "BEGIN chartsd_apps.cpu"
  52         ps -o pid,comm -C "$cpu_apps_apps" |\
  53                 grep -v "COMMAND" |\
  54                 (
  55                         while read pid name
  56                         do
  57                                 echo "$name+=`cat /proc/$pid/stat | cut -d ' ' -f 14-15`"
  58                         done
  59                 ) |\
  60                 (       sed -e "s/ \+/ /g" -e "s/ /+/g";
  61                         echo "$cpu_apps_bc_finalze"
  62                 ) | bc
  63         echo "END"
  64
  65         return 0
  66 }