Mercurial > hg > graal-compiler
annotate src/share/tools/IdealGraphVisualizer/HierarchicalLayout/src/com/sun/hotspot/igv/hierarchicallayout/Timing.java @ 1552:c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
Summary: Change all the Sun copyrights to Oracle copyright
Reviewed-by: ohair
| author | trims |
|---|---|
| date | Thu, 27 May 2010 19:08:38 -0700 |
| parents | 30369db7f5d2 |
| children |
| rev | line source |
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| 220 | 1 /* |
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2 * Copyright (c) 2008, Oracle and/or its affiliates. All rights reserved. |
| 220 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 220 | 22 * |
| 23 */ | |
| 24 package com.sun.hotspot.igv.hierarchicallayout; | |
| 25 | |
| 26 /** | |
| 27 * | |
| 28 * @author Thomas Wuerthinger | |
| 29 */ | |
| 30 public class Timing { | |
| 31 | |
| 32 private long lastValue; | |
| 33 private long sum; | |
| 34 private String name; | |
| 35 | |
| 36 public Timing(String name) { | |
| 37 this.name = name; | |
| 38 } | |
| 39 | |
| 40 @Override | |
| 41 public String toString() { | |
| 42 long val = sum; | |
| 43 if (lastValue != 0) { | |
| 44 // Timer running | |
| 45 long newValue = System.nanoTime(); | |
| 46 val += (newValue - lastValue); | |
| 47 } | |
| 48 return "Timing for " + name + " is: " + val / 1000000 + " ms"; | |
| 49 } | |
| 50 | |
| 51 public void print() { | |
| 52 System.out.println(toString()); | |
| 53 } | |
| 54 | |
| 55 public void start() { | |
| 56 lastValue = System.nanoTime(); | |
| 57 } | |
| 58 | |
| 59 public void stop() { | |
| 60 if (lastValue == 0) { | |
| 61 throw new IllegalStateException("You must call start before stop"); | |
| 62 } | |
| 63 long newValue = System.nanoTime(); | |
| 64 sum += newValue - lastValue; | |
| 65 lastValue = 0; | |
| 66 } | |
| 67 } |