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comparison graal/GraalCompiler/src/com/sun/c1x/C1XTimers.java @ 2509:16b9a8b5ad39

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Renamings Runtime=>GraalRuntime and Compiler=>GraalCompiler
author Thomas Wuerthinger <thomas@wuerthinger.net>
date Wed, 27 Apr 2011 11:50:44 +0200
parents graal/Compiler/src/com/sun/c1x/C1XTimers.java@9ec15d6914ca
children
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2508:fea94949e0a2 2509:16b9a8b5ad39
1 /*
2 * Copyright (c) 2009, 2009, Oracle and/or its affiliates. All rights reserved.
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 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23 package com.sun.c1x;
24
25 import com.sun.c1x.debug.*;
26
27 /**
28 * This class contains timers that record the amount of time spent in various
29 * parts of the compiler.
30 *
31 * @author Christian Wimmer
32 */
33 public enum C1XTimers {
34 HIR_CREATE("Create HIR"),
35 HIR_OPTIMIZE("Optimize HIR"),
36 NCE("Nullcheck elimination"),
37 LIR_CREATE("Create LIR"),
38 LIFETIME_ANALYSIS("Lifetime Analysis"),
39 LINEAR_SCAN("Linear Scan"),
40 RESOLUTION("Resolution"),
41 DEBUG_INFO("Create Debug Info"),
42 CODE_CREATE("Create Code");
43
44 private final String name;
45 private long start;
46 private long total;
47
48 private C1XTimers(String name) {
49 this.name = name;
50 }
51
52 public void start() {
53 start = System.nanoTime();
54 }
55
56 public void stop() {
57 total += System.nanoTime() - start;
58 }
59
60 public static void reset() {
61 for (C1XTimers t : values()) {
62 t.total = 0;
63 }
64 }
65
66 public static void print() {
67 long total = 0;
68 for (C1XTimers timer : C1XTimers.values()) {
69 total += timer.total;
70 }
71 if (total == 0) {
72 return;
73 }
74
75 TTY.println();
76 for (C1XTimers timer : C1XTimers.values()) {
77 TTY.println("%-20s: %7.4f s (%5.2f%%)", timer.name, timer.total / 1000000000.0, timer.total * 100.0 / total);
78 timer.total = 0;
79 }
80 TTY.println();
81 }
82 }