Mercurial > hg > graal-compiler
view visualizer/HierarchicalLayout/src/com/sun/hotspot/igv/hierarchicallayout/Timing.java @ 5213:3a41de0ebbfb
We can use a FloatingRead to get the arrayClass in storechecks
author | Gilles Duboscq <duboscq@ssw.jku.at> |
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date | Mon, 09 Apr 2012 19:56:10 +0200 |
parents | 015fb895586b |
children |
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/* * Copyright (c) 2008, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code 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 * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ package com.sun.hotspot.igv.hierarchicallayout; /** * * @author Thomas Wuerthinger */ public class Timing { private long lastValue; private long sum; private String name; public Timing(String name) { this.name = name; } @Override public String toString() { long val = sum; if (lastValue != 0) { // Timer running long newValue = System.nanoTime(); val += (newValue - lastValue); } return "Timing for " + name + " is: " + val / 1000000 + " ms"; } public void print() { System.out.println(toString()); } public void start() { lastValue = System.nanoTime(); } public void stop() { if (lastValue == 0) { throw new IllegalStateException("You must call start before stop"); } long newValue = System.nanoTime(); sum += newValue - lastValue; lastValue = 0; } }