diff options
author | Costa Tsaousis (ktsaou) <costa@tsaousis.gr> | 2014-05-04 15:52:54 +0300 |
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committer | Costa Tsaousis (ktsaou) <costa@tsaousis.gr> | 2014-05-04 15:52:54 +0300 |
commit | 539c437d672f3854d2b3e5f9cabd14482f4701bc (patch) | |
tree | 39f7fcaac4c3ee562b08cefb63dd961c261c86c0 /charts.d/cpu_apps.chart.sh | |
parent | 5ca16e50c378b7e79455dc9ec97620e33e5f330d (diff) |
added cpu_apps chart
Diffstat (limited to 'charts.d/cpu_apps.chart.sh')
-rwxr-xr-x | charts.d/cpu_apps.chart.sh | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/charts.d/cpu_apps.chart.sh b/charts.d/cpu_apps.chart.sh new file mode 100755 index 0000000000..1733b7dce4 --- /dev/null +++ b/charts.d/cpu_apps.chart.sh @@ -0,0 +1,60 @@ +#!/bin/sh + +cpu_apps_apps="netdata asterisk squid apache2 mysqld dovecot cupsd sshd named clamd smbd" + +# these are required for computing memory in bytes and cpu in seconds +#cpu_apps_pagesize="`getconf PAGESIZE`" +cpu_apps_clockticks="`getconf CLK_TCK`" + +cpu_apps_check() { + # this should return: + # - 0 to enable the chart + # - 1 to disable the chart + + if [ -z "$cpu_apps_apps" ] + then + echo >&2 "cpu_apps: Please set cpu_apps_apps='command1 command2 ...' in $confd/cpu_apps_apps.conf" + return 1 + fi + return 0 +} + +cpu_apps_bc_finalze= + +cpu_apps_create() { + + echo "CHART apps.cpu '' 'Apps CPU' 'milliseconds/s' apps apps stacked 20001 $update_every" + + local x= + for x in $cpu_apps_apps + do + echo "DIMENSION $x $x incremental 1000 $cpu_apps_clockticks" + + # this string is needed later in the update() function + # to finalize the instructions for the bc command + cpu_apps_bc_finalze="$cpu_apps_bc_finalze \"SET $x = \"; $x;" + done + return 0 +} + +cpu_apps_update() { + # do all the work to collect / calculate the values + # for each dimension + # remember: KEEP IT SIMPLE AND SHORT + + echo "BEGIN apps.cpu" + ps -o pid,comm -C "$cpu_apps_apps" |\ + grep -v "COMMAND" |\ + ( + while read pid name + do + echo "$name+=`cat /proc/$pid/stat | cut -d ' ' -f 14-15`" + done + ) |\ + ( sed -e "s/ \+/ /g" -e "s/ /+/g"; + echo "$cpu_apps_bc_finalze" + ) | bc + echo "END" + + return 0 +} |