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// $Id$
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/**
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* Copyright (C) 2015 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package org.cybertaxonomy.utis.utils;
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import java.io.PrintStream;
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/**
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* @author a.kohlbecker
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* @date Oct 22, 2015
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*
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*/
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public class Profiler {
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// private Controller yourkit;
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private boolean yjp = false;
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private boolean cpu = false;
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private long start;
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private Profiler() {
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}
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public static Profiler newCpuProfiler(boolean yjp) {
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Profiler p = new Profiler();
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p.yjp = yjp;
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p.cpu = true;
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if(yjp) {
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// https://www.yourkit.com/docs/java/api/com/yourkit/api/Controller.html
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try {
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// p.yourkit = new Controller();
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// p.yourkit.enableStackTelemetry();
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// p.yourkit.startCPUTracing(null);
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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p.start = System.currentTimeMillis();
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return p;
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}
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public void end(PrintStream err) {
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Long time = System.currentTimeMillis() - start;
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try {
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err.append(time.toString()).append(" ms\n");
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if(yjp) {
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if(cpu) {
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// yourkit.stopCPUProfiling();
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// String fileLocation = yourkit.captureSnapshot(com.yourkit.api.Controller.SNAPSHOT_WITHOUT_HEAP);
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// err.append("Snapshot stored at: ").append(fileLocation).append("\n");
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}
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}
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// } catch (IOException e) {
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// e.printStackTrace();
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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}
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