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Merge pull request #262 from alexandru-iacob/master

Display the page load time
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2 parents 7840fc5 + 1d2ba32 commit 10de3ab0bbdc07650525e6c698f2a7adf3ed77db @kenyon kenyon committed Mar 4, 2013
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  1. +59 −0 plugins/apache/page_load
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59 plugins/apache/page_load
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+#!/bin/sh
+
+# Copyright (C) 2013 Alexandru Iacob
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+######################################################################################################
+# The plugin will generate a graph that displays the page load time
+# We need to add our custom log format into Apache config.
+# The plugin was tested on Ubuntu Server 12.04.02 LTS
+#
+# apache2.conf
+# LogFormat "%h %l %u %t \"%r\" %>s %O %b %D \"%{Referer}i\" \"%{User-Agent}i\"" custom
+#
+# Acording to : http://httpd.apache.org/docs/2.2/mod/mod_log_config.html
+# %D The time taken to serve the request, in microseconds.
+# In our case %D -> 9
+######################################################################################################
+# GLOBALS
+LOGFILE="/var/log/apache2/access.log"
+BUFFER_SIZE=500
+
+######################################################################################################
+
+
+do_ () {
+ command="tail -n $BUFFER_SIZE $LOGFILE | awk '{sum=sum+\$9} END {print \"exec_time.value \"(sum/$BUFFER_SIZE)/1000000}'"
+ eval $command
+ exit 0
+}
+
+do_config () {
+ echo "graph_title Average page execution time"
+ echo "graph_vlabel Seconds"
+ echo "graph_category apache"
+ echo "graph_args --base 1000 -l 0"
+ echo "graph_info Average page execution time"
+
+ echo "exec_time.label Execution time"
+ echo "exec_time.type GAUGE"
+}
+
+case $1 in
+ config|'')
+ eval do_$1
+esac
+
+exit $?

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