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<pre><span class="sourceLineNo">001</span>/**<a name="line.1"></a>
<span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a>
<span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a>
<span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a>
<span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a>
<span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a>
<span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a>
<span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a>
<span class="sourceLineNo">009</span> *<a name="line.9"></a>
<span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a>
<span class="sourceLineNo">011</span> *<a name="line.11"></a>
<span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a>
<span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a>
<span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a>
<span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a>
<span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a>
<span class="sourceLineNo">017</span> */<a name="line.17"></a>
<span class="sourceLineNo">018</span><a name="line.18"></a>
<span class="sourceLineNo">019</span>package org.apache.hadoop.hbase;<a name="line.19"></a>
<span class="sourceLineNo">020</span><a name="line.20"></a>
<span class="sourceLineNo">021</span>import java.util.ArrayList;<a name="line.21"></a>
<span class="sourceLineNo">022</span>import java.util.HashSet;<a name="line.22"></a>
<span class="sourceLineNo">023</span>import java.util.List;<a name="line.23"></a>
<span class="sourceLineNo">024</span>import java.util.Map;<a name="line.24"></a>
<span class="sourceLineNo">025</span>import java.util.Set;<a name="line.25"></a>
<span class="sourceLineNo">026</span>import java.util.concurrent.ConcurrentHashMap;<a name="line.26"></a>
<span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.ResourceChecker.Phase;<a name="line.27"></a>
<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.util.JVM;<a name="line.28"></a>
<span class="sourceLineNo">029</span>import org.junit.runner.notification.RunListener;<a name="line.29"></a>
<span class="sourceLineNo">030</span><a name="line.30"></a>
<span class="sourceLineNo">031</span>/**<a name="line.31"></a>
<span class="sourceLineNo">032</span> * Listen to the test progress and check the usage of:<a name="line.32"></a>
<span class="sourceLineNo">033</span> * &lt;ul&gt;<a name="line.33"></a>
<span class="sourceLineNo">034</span> * &lt;li&gt;threads&lt;/li&gt;<a name="line.34"></a>
<span class="sourceLineNo">035</span> * &lt;li&gt;open file descriptor&lt;/li&gt;<a name="line.35"></a>
<span class="sourceLineNo">036</span> * &lt;li&gt;max open file descriptor&lt;/li&gt;<a name="line.36"></a>
<span class="sourceLineNo">037</span> * &lt;/ul&gt;<a name="line.37"></a>
<span class="sourceLineNo">038</span> * &lt;p&gt;<a name="line.38"></a>
<span class="sourceLineNo">039</span> * When surefire forkMode=once/always/perthread, this code is executed on the forked process.<a name="line.39"></a>
<span class="sourceLineNo">040</span> */<a name="line.40"></a>
<span class="sourceLineNo">041</span>public class ResourceCheckerJUnitListener extends RunListener {<a name="line.41"></a>
<span class="sourceLineNo">042</span> private Map&lt;String, ResourceChecker&gt; rcs = new ConcurrentHashMap&lt;&gt;();<a name="line.42"></a>
<span class="sourceLineNo">043</span><a name="line.43"></a>
<span class="sourceLineNo">044</span> static class ThreadResourceAnalyzer extends ResourceChecker.ResourceAnalyzer {<a name="line.44"></a>
<span class="sourceLineNo">045</span> private static Set&lt;String&gt; initialThreadNames = new HashSet&lt;&gt;();<a name="line.45"></a>
<span class="sourceLineNo">046</span> private static List&lt;String&gt; stringsToLog = null;<a name="line.46"></a>
<span class="sourceLineNo">047</span><a name="line.47"></a>
<span class="sourceLineNo">048</span> @Override<a name="line.48"></a>
<span class="sourceLineNo">049</span> public int getVal(Phase phase) {<a name="line.49"></a>
<span class="sourceLineNo">050</span> Map&lt;Thread, StackTraceElement[]&gt; stackTraces = Thread.getAllStackTraces();<a name="line.50"></a>
<span class="sourceLineNo">051</span> if (phase == Phase.INITIAL) {<a name="line.51"></a>
<span class="sourceLineNo">052</span> stringsToLog = null;<a name="line.52"></a>
<span class="sourceLineNo">053</span> for (Thread t : stackTraces.keySet()) {<a name="line.53"></a>
<span class="sourceLineNo">054</span> initialThreadNames.add(t.getName());<a name="line.54"></a>
<span class="sourceLineNo">055</span> }<a name="line.55"></a>
<span class="sourceLineNo">056</span> } else if (phase == Phase.END) {<a name="line.56"></a>
<span class="sourceLineNo">057</span> if (stackTraces.size() &gt; initialThreadNames.size()) {<a name="line.57"></a>
<span class="sourceLineNo">058</span> stringsToLog = new ArrayList&lt;&gt;();<a name="line.58"></a>
<span class="sourceLineNo">059</span> for (Thread t : stackTraces.keySet()) {<a name="line.59"></a>
<span class="sourceLineNo">060</span> if (!initialThreadNames.contains(t.getName())) {<a name="line.60"></a>
<span class="sourceLineNo">061</span> stringsToLog.add("\nPotentially hanging thread: " + t.getName() + "\n");<a name="line.61"></a>
<span class="sourceLineNo">062</span> StackTraceElement[] stackElements = stackTraces.get(t);<a name="line.62"></a>
<span class="sourceLineNo">063</span> for (StackTraceElement ele : stackElements) {<a name="line.63"></a>
<span class="sourceLineNo">064</span> stringsToLog.add("\t" + ele + "\n");<a name="line.64"></a>
<span class="sourceLineNo">065</span> }<a name="line.65"></a>
<span class="sourceLineNo">066</span> }<a name="line.66"></a>
<span class="sourceLineNo">067</span> }<a name="line.67"></a>
<span class="sourceLineNo">068</span> }<a name="line.68"></a>
<span class="sourceLineNo">069</span> }<a name="line.69"></a>
<span class="sourceLineNo">070</span> return stackTraces.size();<a name="line.70"></a>
<span class="sourceLineNo">071</span> }<a name="line.71"></a>
<span class="sourceLineNo">072</span><a name="line.72"></a>
<span class="sourceLineNo">073</span> @Override<a name="line.73"></a>
<span class="sourceLineNo">074</span> public int getMax() {<a name="line.74"></a>
<span class="sourceLineNo">075</span> return 500;<a name="line.75"></a>
<span class="sourceLineNo">076</span> }<a name="line.76"></a>
<span class="sourceLineNo">077</span> <a name="line.77"></a>
<span class="sourceLineNo">078</span> @Override<a name="line.78"></a>
<span class="sourceLineNo">079</span> public List&lt;String&gt; getStringsToLog() {<a name="line.79"></a>
<span class="sourceLineNo">080</span> return stringsToLog;<a name="line.80"></a>
<span class="sourceLineNo">081</span> }<a name="line.81"></a>
<span class="sourceLineNo">082</span> }<a name="line.82"></a>
<span class="sourceLineNo">083</span><a name="line.83"></a>
<span class="sourceLineNo">084</span><a name="line.84"></a>
<span class="sourceLineNo">085</span> static class OpenFileDescriptorResourceAnalyzer extends ResourceChecker.ResourceAnalyzer {<a name="line.85"></a>
<span class="sourceLineNo">086</span> @Override<a name="line.86"></a>
<span class="sourceLineNo">087</span> public int getVal(Phase phase) {<a name="line.87"></a>
<span class="sourceLineNo">088</span> if (!JVM.isUnix()) {<a name="line.88"></a>
<span class="sourceLineNo">089</span> return 0;<a name="line.89"></a>
<span class="sourceLineNo">090</span> }<a name="line.90"></a>
<span class="sourceLineNo">091</span> JVM jvm = new JVM();<a name="line.91"></a>
<span class="sourceLineNo">092</span> return (int) jvm.getOpenFileDescriptorCount();<a name="line.92"></a>
<span class="sourceLineNo">093</span> }<a name="line.93"></a>
<span class="sourceLineNo">094</span><a name="line.94"></a>
<span class="sourceLineNo">095</span> @Override<a name="line.95"></a>
<span class="sourceLineNo">096</span> public int getMax() {<a name="line.96"></a>
<span class="sourceLineNo">097</span> return 1024;<a name="line.97"></a>
<span class="sourceLineNo">098</span> }<a name="line.98"></a>
<span class="sourceLineNo">099</span> }<a name="line.99"></a>
<span class="sourceLineNo">100</span><a name="line.100"></a>
<span class="sourceLineNo">101</span> static class MaxFileDescriptorResourceAnalyzer extends ResourceChecker.ResourceAnalyzer {<a name="line.101"></a>
<span class="sourceLineNo">102</span> @Override<a name="line.102"></a>
<span class="sourceLineNo">103</span> public int getVal(Phase phase) {<a name="line.103"></a>
<span class="sourceLineNo">104</span> if (!JVM.isUnix()) {<a name="line.104"></a>
<span class="sourceLineNo">105</span> return 0;<a name="line.105"></a>
<span class="sourceLineNo">106</span> }<a name="line.106"></a>
<span class="sourceLineNo">107</span> JVM jvm = new JVM();<a name="line.107"></a>
<span class="sourceLineNo">108</span> return (int) jvm.getMaxFileDescriptorCount();<a name="line.108"></a>
<span class="sourceLineNo">109</span> }<a name="line.109"></a>
<span class="sourceLineNo">110</span> }<a name="line.110"></a>
<span class="sourceLineNo">111</span><a name="line.111"></a>
<span class="sourceLineNo">112</span> static class SystemLoadAverageResourceAnalyzer extends ResourceChecker.ResourceAnalyzer {<a name="line.112"></a>
<span class="sourceLineNo">113</span> @Override<a name="line.113"></a>
<span class="sourceLineNo">114</span> public int getVal(Phase phase) {<a name="line.114"></a>
<span class="sourceLineNo">115</span> if (!JVM.isUnix()) {<a name="line.115"></a>
<span class="sourceLineNo">116</span> return 0;<a name="line.116"></a>
<span class="sourceLineNo">117</span> }<a name="line.117"></a>
<span class="sourceLineNo">118</span> return (int) (new JVM().getSystemLoadAverage() * 100);<a name="line.118"></a>
<span class="sourceLineNo">119</span> }<a name="line.119"></a>
<span class="sourceLineNo">120</span> }<a name="line.120"></a>
<span class="sourceLineNo">121</span><a name="line.121"></a>
<span class="sourceLineNo">122</span> static class ProcessCountResourceAnalyzer extends ResourceChecker.ResourceAnalyzer {<a name="line.122"></a>
<span class="sourceLineNo">123</span> @Override<a name="line.123"></a>
<span class="sourceLineNo">124</span> public int getVal(Phase phase) {<a name="line.124"></a>
<span class="sourceLineNo">125</span> if (!JVM.isUnix()) {<a name="line.125"></a>
<span class="sourceLineNo">126</span> return 0;<a name="line.126"></a>
<span class="sourceLineNo">127</span> }<a name="line.127"></a>
<span class="sourceLineNo">128</span> return new JVM().getNumberOfRunningProcess();<a name="line.128"></a>
<span class="sourceLineNo">129</span> }<a name="line.129"></a>
<span class="sourceLineNo">130</span> }<a name="line.130"></a>
<span class="sourceLineNo">131</span><a name="line.131"></a>
<span class="sourceLineNo">132</span> static class AvailableMemoryMBResourceAnalyzer extends ResourceChecker.ResourceAnalyzer {<a name="line.132"></a>
<span class="sourceLineNo">133</span> @Override<a name="line.133"></a>
<span class="sourceLineNo">134</span> public int getVal(Phase phase) {<a name="line.134"></a>
<span class="sourceLineNo">135</span> if (!JVM.isUnix()) {<a name="line.135"></a>
<span class="sourceLineNo">136</span> return 0;<a name="line.136"></a>
<span class="sourceLineNo">137</span> }<a name="line.137"></a>
<span class="sourceLineNo">138</span> return (int) (new JVM().getFreeMemory() / (1024L * 1024L));<a name="line.138"></a>
<span class="sourceLineNo">139</span> }<a name="line.139"></a>
<span class="sourceLineNo">140</span> }<a name="line.140"></a>
<span class="sourceLineNo">141</span><a name="line.141"></a>
<span class="sourceLineNo">142</span><a name="line.142"></a>
<span class="sourceLineNo">143</span> /**<a name="line.143"></a>
<span class="sourceLineNo">144</span> * To be implemented by sub classes if they want to add specific ResourceAnalyzer.<a name="line.144"></a>
<span class="sourceLineNo">145</span> */<a name="line.145"></a>
<span class="sourceLineNo">146</span> protected void addResourceAnalyzer(ResourceChecker rc) {<a name="line.146"></a>
<span class="sourceLineNo">147</span> }<a name="line.147"></a>
<span class="sourceLineNo">148</span><a name="line.148"></a>
<span class="sourceLineNo">149</span><a name="line.149"></a>
<span class="sourceLineNo">150</span> private void start(String testName) {<a name="line.150"></a>
<span class="sourceLineNo">151</span> ResourceChecker rc = new ResourceChecker(testName);<a name="line.151"></a>
<span class="sourceLineNo">152</span> rc.addResourceAnalyzer(new ThreadResourceAnalyzer());<a name="line.152"></a>
<span class="sourceLineNo">153</span> rc.addResourceAnalyzer(new OpenFileDescriptorResourceAnalyzer());<a name="line.153"></a>
<span class="sourceLineNo">154</span> rc.addResourceAnalyzer(new MaxFileDescriptorResourceAnalyzer());<a name="line.154"></a>
<span class="sourceLineNo">155</span> rc.addResourceAnalyzer(new SystemLoadAverageResourceAnalyzer());<a name="line.155"></a>
<span class="sourceLineNo">156</span> rc.addResourceAnalyzer(new ProcessCountResourceAnalyzer());<a name="line.156"></a>
<span class="sourceLineNo">157</span> rc.addResourceAnalyzer(new AvailableMemoryMBResourceAnalyzer());<a name="line.157"></a>
<span class="sourceLineNo">158</span><a name="line.158"></a>
<span class="sourceLineNo">159</span> addResourceAnalyzer(rc);<a name="line.159"></a>
<span class="sourceLineNo">160</span><a name="line.160"></a>
<span class="sourceLineNo">161</span> rcs.put(testName, rc);<a name="line.161"></a>
<span class="sourceLineNo">162</span><a name="line.162"></a>
<span class="sourceLineNo">163</span> rc.start();<a name="line.163"></a>
<span class="sourceLineNo">164</span> }<a name="line.164"></a>
<span class="sourceLineNo">165</span><a name="line.165"></a>
<span class="sourceLineNo">166</span> private void end(String testName) {<a name="line.166"></a>
<span class="sourceLineNo">167</span> ResourceChecker rc = rcs.remove(testName);<a name="line.167"></a>
<span class="sourceLineNo">168</span> assert rc != null;<a name="line.168"></a>
<span class="sourceLineNo">169</span> rc.end();<a name="line.169"></a>
<span class="sourceLineNo">170</span> }<a name="line.170"></a>
<span class="sourceLineNo">171</span><a name="line.171"></a>
<span class="sourceLineNo">172</span> /**<a name="line.172"></a>
<span class="sourceLineNo">173</span> * Get the test name from the JUnit Description<a name="line.173"></a>
<span class="sourceLineNo">174</span> *<a name="line.174"></a>
<span class="sourceLineNo">175</span> * @return the string for the short test name<a name="line.175"></a>
<span class="sourceLineNo">176</span> */<a name="line.176"></a>
<span class="sourceLineNo">177</span> private String descriptionToShortTestName(<a name="line.177"></a>
<span class="sourceLineNo">178</span> org.junit.runner.Description description) {<a name="line.178"></a>
<span class="sourceLineNo">179</span> final int toRemove = "org.apache.hadoop.hbase.".length();<a name="line.179"></a>
<span class="sourceLineNo">180</span> return description.getTestClass().getName().substring(toRemove) +<a name="line.180"></a>
<span class="sourceLineNo">181</span> "#" + description.getMethodName();<a name="line.181"></a>
<span class="sourceLineNo">182</span> }<a name="line.182"></a>
<span class="sourceLineNo">183</span><a name="line.183"></a>
<span class="sourceLineNo">184</span> @Override<a name="line.184"></a>
<span class="sourceLineNo">185</span> public void testStarted(org.junit.runner.Description description) throws java.lang.Exception {<a name="line.185"></a>
<span class="sourceLineNo">186</span> start(descriptionToShortTestName(description));<a name="line.186"></a>
<span class="sourceLineNo">187</span> }<a name="line.187"></a>
<span class="sourceLineNo">188</span><a name="line.188"></a>
<span class="sourceLineNo">189</span> @Override<a name="line.189"></a>
<span class="sourceLineNo">190</span> public void testFinished(org.junit.runner.Description description) throws java.lang.Exception {<a name="line.190"></a>
<span class="sourceLineNo">191</span> end(descriptionToShortTestName(description));<a name="line.191"></a>
<span class="sourceLineNo">192</span> }<a name="line.192"></a>
<span class="sourceLineNo">193</span>}<a name="line.193"></a>
</pre>
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