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annotate graal/GraalCompiler/src/com/sun/c1x/C1XTimers.java @ 2867:5c545fef2c81
merge
author | Lukas Stadler <lukas.stadler@jku.at> |
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date | Tue, 07 Jun 2011 16:33:04 +0200 |
parents | 16b9a8b5ad39 |
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rev | line source |
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1 /* |
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2 * Copyright (c) 2009, 2009, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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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. |
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22 */ |
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23 package com.sun.c1x; |
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24 |
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25 import com.sun.c1x.debug.*; |
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26 |
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27 /** |
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28 * This class contains timers that record the amount of time spent in various |
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29 * parts of the compiler. |
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30 * |
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31 * @author Christian Wimmer |
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32 */ |
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33 public enum C1XTimers { |
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34 HIR_CREATE("Create HIR"), |
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35 HIR_OPTIMIZE("Optimize HIR"), |
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36 NCE("Nullcheck elimination"), |
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37 LIR_CREATE("Create LIR"), |
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38 LIFETIME_ANALYSIS("Lifetime Analysis"), |
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39 LINEAR_SCAN("Linear Scan"), |
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40 RESOLUTION("Resolution"), |
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41 DEBUG_INFO("Create Debug Info"), |
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42 CODE_CREATE("Create Code"); |
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43 |
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44 private final String name; |
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45 private long start; |
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46 private long total; |
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47 |
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48 private C1XTimers(String name) { |
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49 this.name = name; |
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50 } |
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51 |
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52 public void start() { |
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53 start = System.nanoTime(); |
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54 } |
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55 |
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56 public void stop() { |
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57 total += System.nanoTime() - start; |
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58 } |
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59 |
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60 public static void reset() { |
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61 for (C1XTimers t : values()) { |
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62 t.total = 0; |
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63 } |
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64 } |
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65 |
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66 public static void print() { |
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67 long total = 0; |
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68 for (C1XTimers timer : C1XTimers.values()) { |
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69 total += timer.total; |
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70 } |
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71 if (total == 0) { |
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72 return; |
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73 } |
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74 |
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75 TTY.println(); |
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76 for (C1XTimers timer : C1XTimers.values()) { |
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77 TTY.println("%-20s: %7.4f s (%5.2f%%)", timer.name, timer.total / 1000000000.0, timer.total * 100.0 / total); |
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78 timer.total = 0; |
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79 } |
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80 TTY.println(); |
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81 } |
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82 } |