SLING-2311 - adding working plot.sh

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1392349 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/plot.sh b/plot.sh
new file mode 100755
index 0000000..9953327
--- /dev/null
+++ b/plot.sh
@@ -0,0 +1,64 @@
+#!/bin/sh
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# This is an example Gnuplot script for plotting the performance results
+# produced by the Sling performance test suite. Before you run this
+# script you need to preprocess the individual performance reports.
+
+cat <<HTML >target/report.html
+<html>
+  <head>
+    <title>Sling performance</title>
+  </head>
+  <body>
+    <h1>Sling performance</h1>
+    <p>
+HTML
+
+for dat in */target/*.txt; do
+    rm -f target/`basename "$dat"`
+done
+
+for dat in */target/performance-reports/*.txt; do
+    cat "$dat" >>target/`basename "$dat"`
+done
+
+for dat in target/*.txt; do
+    name=`basename "$dat" .txt`
+    rows=`grep -v "#" "$dat" | wc -l`
+    gnuplot <<PLOT
+set term svg size 800,400
+set xlabel "bundle version"
+set xrange [-1:$rows]
+set ylabel "Time (ms)"
+set yrange [0:]
+set output "target/$name.svg"
+set title "$name"
+plot "$dat" using 0:4:3:5:xtic(1) with yerrorlines notitle
+PLOT
+    convert "target/$name.svg" "target/$name.png"
+    cat <<HTML >>target/report.html
+      <img src="$name.png" alt="$name"><hr align="left" width="800">
+HTML
+done
+
+cat <<HTML >>target/report.html
+    </p>
+  </body>
+</html>
+HTML
+
+echo file://`pwd`/target/report.html