From 0eaefd6bb8f7642ed2a0004d663d201bdf9e957f Mon Sep 17 00:00:00 2001
From: Erik Cederstrand <ec@1calendar.dk>
Date: Thu, 5 May 2011 12:58:24 +0200
Subject: [PATCH] Initial version

---
 plugins/other/cpu-usage-by-process | 84 ++++++++++++++++++++++++++++++
 1 file changed, 84 insertions(+)
 create mode 100755 plugins/other/cpu-usage-by-process

diff --git a/plugins/other/cpu-usage-by-process b/plugins/other/cpu-usage-by-process
new file mode 100755
index 00000000..0b74a3e8
--- /dev/null
+++ b/plugins/other/cpu-usage-by-process
@@ -0,0 +1,84 @@
+#!/bin/sh
+#
+# Plugin to monitor CPU usage, for a selected set of processes. Tested on FreeBSD.
+#
+# Author: Erik Cederstrand
+# Based on http://waste.mandragor.org/munin_tutorial/cpubyuser
+# Thanks to Yann Hamon.
+#
+# Usage: Place in /usr/local/etc/munin/plugins/ (or link it there  using ln -s)
+#        Add this to your /ur/local/etc/munin/plugin-conf.d/plugins.conf:
+#       [cpubyproc]
+#       env.procs httpd java
+#
+#    httpd and java being a list of the processes to monitor.
+
+#
+# Parameters understood:
+#
+#       config   (required)
+#       autoconf (optional - used by munin-config)
+#
+
+#%# family=auto
+#%# capabilities=autoconf
+
+
+
+if [ "$1" = "autoconf" ] ; then 
+    if [ -n "$procs" ] ; then
+        echo "yes"
+    else
+        echo "\$procs not defined."
+    fi
+    exit
+fi
+
+if [ "$1" = "config" ] ; then
+    echo "graph_args --base 1000 -r --lower-limit 0";
+    echo "graph_title CPU usage, by process";
+    echo "graph_category system";
+    echo "graph_info This graph shows CPU usage, for monitored processes.";
+        echo 'graph_vlabel %'
+        echo 'graph_scale no'
+        echo 'graph_period second'
+
+    echo "graph_order $procs"
+    
+    FIRSTPROC=1;
+    for proc in $procs; do  
+        echo "${proc}.label $proc"
+        echo "${proc}.info CPU used by process $proc"
+        echo "${proc}.type GAUGE"
+        if [ $FIRSTPROC -eq 1 ] ; then
+            echo "${proc}.draw AREA"
+            export FIRSTPROC=0;
+        else    
+            echo "${proc}.draw STACK"
+        fi
+    done ;
+    
+    exit
+fi
+
+
+
+for proc in $procs ; do {
+
+    ps -axo 'pcpu,comm' | grep "$proc" |
+    awk '
+    BEGIN {
+        FS=" "
+        CPU_PROC=0
+    }
+
+    {
+        CPU_PROC+=$0
+    }
+
+    END { 
+    print  "'$proc'.value "CPU_PROC
+    }'  
+}
+
+done;