truffle: graal/com.oracle.max.base/src/com/sun/max/profile/ValueMetrics.java annotate

annotate graal/com.oracle.max.base/src/com/sun/max/profile/ValueMetrics.java @ 4142:bc8527f3071c

Adjust code base to new level of warnings.

author	Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date	Sun, 18 Dec 2011 05:24:06 +0100
parents	e233f5660da4
children

rev	line source
3733 e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	1 /*
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	2 * Copyright (c) 2007, 2011, Oracle and/or its affiliates. All rights reserved.
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	4 *
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	5 * This code is free software; you can redistribute it and/or modify it
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	6 * under the terms of the GNU General Public License version 2 only, as
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	7 * published by the Free Software Foundation.
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	8 *
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	9 * This code is distributed in the hope that it will be useful, but WITHOUT
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	12 * version 2 for more details (a copy is included in the LICENSE file that
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	13 * accompanied this code).
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	14 *
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	15 * You should have received a copy of the GNU General Public License version
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	16 * 2 along with this work; if not, write to the Free Software Foundation,
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	18 *
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	20 * or visit www.oracle.com if you need additional information or have any
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	21 * questions.
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	22 */
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	23 package com.sun.max.profile;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	24
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	25 import java.util.*;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	26
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	27 import com.sun.max.*;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	28 import com.sun.max.profile.Metrics.*;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	29 import com.sun.max.program.*;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	30
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	31 /**
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	32 * This class is a container for a number of inner classes that support recording
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	33 * metrics about the distribution (i.e. frequency) of values. For example,
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	34 * these utilities can be used to gather the distribution of compilation times,
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	35 * object sizes, heap allocations, etc. Several different distribution implementations
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	36 * are available, with different time and space tradeoffs and different approximations,
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	37 * ranging from exact distributions to only distributions within a limited range.
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	38 */
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	39 public class ValueMetrics {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	40
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	41 public static final Approximation EXACT = new Approximation();
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	42 public static final Approximation TRACE = new IntegerTraceApproximation(1024);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	43
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	44 public static class Approximation {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	45 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	46
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	47 public static class FixedApproximation extends Approximation {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	48 protected final Object[] values;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	49 public FixedApproximation(Object... values) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	50 this.values = values.clone();
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	51 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	52 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	53
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	54 public static class IntegerRangeApproximation extends Approximation {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	55 protected final int lowValue;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	56 protected final int highValue;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	57 public IntegerRangeApproximation(int low, int high) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	58 lowValue = low;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	59 highValue = high;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	60 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	61 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	62
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	63 public static class IntegerTraceApproximation extends Approximation {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	64 protected final int bufferSize;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	65 public IntegerTraceApproximation(int bufferSize) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	66 this.bufferSize = bufferSize;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	67 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	68 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	69
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	70 /**
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	71 * This class and its descendants allow recording of a distribution of integer values.
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	72 * Various implementations implement different approximations with different time and
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	73 * space tradeoffs. Because this class and its descendants record distributions only
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	74 * for integers, it can be more efficient than using boxed (e.g. {@code java.lang.Integer}) values.
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	75 *
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	76 */
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	77 public abstract static class IntegerDistribution extends Distribution<Integer> {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	78
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	79 public abstract void record(int value);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	80 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	81
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	82 public static class FixedRangeIntegerDistribution extends IntegerDistribution {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	83 protected final int lowValue;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	84 protected final int[] counts;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	85 protected int missed;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	86
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	87 public FixedRangeIntegerDistribution(int low, int high) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	88 lowValue = low;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	89 counts = new int[high - low];
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	90 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	91
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	92 @Override
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	93 public void record(int value) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	94 total++;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	95 final int index = value - lowValue;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	96 if (index >= 0 && index < counts.length) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	97 counts[index]++;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	98 } else {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	99 missed++;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	100 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	101 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	102
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	103 @Override
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	104 public int getCount(Integer value) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	105 final int index = value - lowValue;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	106 if (index >= 0 && index < counts.length) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	107 return counts[index];
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	108 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	109 return missed > 0 ? -1 : 0;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	110 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	111
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	112 @Override
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	113 public Map<Integer, Integer> asMap() {
4142 bc8527f3071c Adjust code base to new level of warnings. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: 3733 diff changeset	114 final Map<Integer, Integer> map = new HashMap<>();
3733 e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	115 for (int i = 0; i != counts.length; ++i) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	116 map.put(lowValue + i, counts[i]);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	117 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	118 return map;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	119 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	120
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	121 @Override
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	122 public void reset() {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	123 super.reset();
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	124 missed = 0;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	125 Arrays.fill(counts, 0);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	126 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	127 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	128
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	129 public static class FixedSetIntegerDistribution extends IntegerDistribution {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	130
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	131 private final int[] set;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	132 private final int[] count;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	133 protected int missed;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	134
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	135 public FixedSetIntegerDistribution(int[] set) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	136 // TODO: sort() and binarySearch for large sets.
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	137 this.set = set.clone();
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	138 count = new int[set.length];
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	139 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	140
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	141 @Override
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	142 public void record(int value) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	143 total++;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	144 for (int i = 0; i < set.length; i++) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	145 if (set[i] == value) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	146 count[i]++;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	147 return;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	148 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	149 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	150 missed++;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	151 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	152
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	153 @Override
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	154 public int getCount(Integer value) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	155 final int val = value;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	156 for (int i = 0; i < set.length; i++) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	157 if (set[i] == val) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	158 return count[i];
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	159 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	160 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	161 return missed > 0 ? -1 : 0;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	162 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	163
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	164 @Override
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	165 public Map<Integer, Integer> asMap() {
4142 bc8527f3071c Adjust code base to new level of warnings. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: 3733 diff changeset	166 final Map<Integer, Integer> map = new HashMap<>();
3733 e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	167 for (int i = 0; i != count.length; ++i) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	168 map.put(set[i], count[i]);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	169 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	170 return map;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	171 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	172
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	173 @Override
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	174 public void reset() {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	175 super.reset();
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	176 missed = 0;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	177 Arrays.fill(set, 0);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	178 Arrays.fill(count, 0);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	179 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	180 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	181
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	182 /**
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	183 * The trace integer distribution class collects an exact distribution of integer
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	184 * values by internally recording every integer value in order in a fixed size buffer.
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	185 * When the buffer fills up, its contents are sorted and then reduced into a
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	186 * sorted list of value/count pairs. This results in an exact distribution
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	187 * with a tunable size/performance tradeoff, since a larger buffer means
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	188 * fewer reduction steps.
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	189 *
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	190 * This implementation is <b>not thread safe</b>. It may lose updates and potentially
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	191 * generate exceptions if used in a multi-threaded scenario. To make updates
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	192 * to this distribution thread safe, {@linkplain ValueMetrics#threadSafe(IntegerDistribution) wrap}
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	193 * it with a {@link ThreadsafeIntegerDistribution}.
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	194 *
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	195 */
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	196 public static class TraceIntegerDistribution extends IntegerDistribution {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	197 private final int[] buffer;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	198 private int cursor;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	199
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	200 private int[] values;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	201 private int[] counts;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	202
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	203 public TraceIntegerDistribution(int bufferSize) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	204 assert bufferSize > 0;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	205 buffer = new int[bufferSize];
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	206 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	207
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	208 @Override
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	209 public void record(int value) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	210 total++;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	211 buffer[cursor++] = value;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	212 if (cursor == buffer.length) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	213 reduce();
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	214 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	215 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	216
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	217 @Override
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	218 public int getCount(Integer value) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	219 reduce();
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	220 final int index = Arrays.binarySearch(values, value);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	221 if (index < 0) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	222 return 0;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	223 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	224 return counts[index];
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	225 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	226
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	227 @Override
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	228 public Map<Integer, Integer> asMap() {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	229 reduce();
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	230 // TODO: another map implementation might be better.
4142 bc8527f3071c Adjust code base to new level of warnings. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: 3733 diff changeset	231 final Map<Integer, Integer> map = new HashMap<>();
3733 e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	232 if (values != null) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	233 for (int i = 0; i < values.length; i++) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	234 map.put(values[i], counts[i]);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	235 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	236 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	237 return map;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	238 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	239
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	240 @Override
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	241 public void reset() {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	242 super.reset();
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	243 cursor = 0;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	244 Arrays.fill(buffer, 0);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	245 Arrays.fill(values, 0);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	246 Arrays.fill(counts, 0);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	247 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	248
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	249 private void reduce() {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	250 if (cursor == 0) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	251 // no recorded values to reduce
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	252 return;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	253 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	254 // compression needed.
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	255 Arrays.sort(buffer, 0, cursor);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	256 if (values != null) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	257 // there are already some entries. need to merge counts
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	258 removeExistingValues();
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	259 if (cursor > 0) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	260 final int[] ovalues = values;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	261 final int[] ocounts = counts;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	262 reduceBuffer(buffer);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	263 mergeValues(ovalues, ocounts, values, counts);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	264 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	265 } else {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	266 // there currently aren't any entry arrays. reduce the buffer to generate the first ones.
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	267 reduceBuffer(buffer);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	268 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	269 cursor = 0;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	270 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	271
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	272 private void removeExistingValues() {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	273 // increment counts for values that already occur in the entry arrays
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	274 // and leave leftover values in the buffer
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	275 int valuesPos = 0;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	276 final int ocursor = cursor;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	277 cursor = 0;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	278 for (int i = 0; i < ocursor; i++) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	279 final int nvalue = buffer[i];
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	280 while (valuesPos < values.length && values[valuesPos] < nvalue) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	281 valuesPos++;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	282 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	283 if (valuesPos < values.length && values[valuesPos] == nvalue) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	284 counts[valuesPos]++;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	285 } else {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	286 // retain the new values in the buffer
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	287 buffer[cursor++] = nvalue;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	288 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	289 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	290 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	291
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	292 private void mergeValues(int[] avalues, int[] acounts, int[] bvalues, int[] bcounts) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	293 final int[] nvalues = new int[avalues.length + values.length];
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	294 final int[] ncounts = new int[acounts.length + counts.length];
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	295
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	296 int a = 0;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	297 int b = 0;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	298 int n = 0;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	299 while (n < nvalues.length) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	300 while (a < avalues.length && (b == bvalues.length \|\| avalues[a] < bvalues[b])) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	301 nvalues[n] = avalues[a];
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	302 ncounts[n] = acounts[a];
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	303 n++;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	304 a++;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	305 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	306 while (b < bvalues.length && (a == avalues.length \|\| bvalues[b] < avalues[a])) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	307 nvalues[n] = bvalues[b];
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	308 ncounts[n] = bcounts[b];
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	309 n++;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	310 b++;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	311 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	312 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	313 assert n == nvalues.length && a == avalues.length && b == bvalues.length;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	314 values = nvalues;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	315 counts = ncounts;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	316 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	317
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	318 private void reduceBuffer(int[] buf) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	319 // count the unique values
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	320 int last1 = buf[0];
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	321 int unique = 1;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	322 for (int i1 = 1; i1 < cursor; i1++) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	323 if (buffer[i1] != last1) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	324 unique++;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	325 last1 = buffer[i1];
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	326 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	327 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	328 // create the values arrays and populate them
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	329 values = new int[unique];
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	330 counts = new int[unique];
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	331 int last = buffer[0];
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	332 int count = 1;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	333 int pos = 0;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	334 for (int i = 1; i < cursor; i++) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	335 if (buffer[i] != last) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	336 values[pos] = last;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	337 counts[pos] = count;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	338 pos++;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	339 count = 1;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	340 last = buffer[i];
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	341 } else {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	342 count++;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	343 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	344 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	345 assert pos == values.length - 1;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	346 values[pos] = last;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	347 counts[pos] = count;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	348 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	349 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	350
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	351 public static class HashedIntegerDistribution extends IntegerDistribution {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	352 private Map<Integer, Distribution> map;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	353
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	354 private Map<Integer, Distribution> map() {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	355 if (map == null) {
4142 bc8527f3071c Adjust code base to new level of warnings. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: 3733 diff changeset	356 map = new HashMap<>();
3733 e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	357 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	358 return map;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	359 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	360
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	361 @Override
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	362 public void record(int value) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	363 total++;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	364 final Integer integer = value;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	365 Distribution distribution = map().get(integer);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	366 if (distribution == null) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	367 distribution = new Distribution();
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	368 map().put(integer, distribution);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	369 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	370 distribution.total++;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	371 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	372 @Override
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	373 public int getCount(Integer value) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	374 final Distribution distribution = map().get(value);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	375 if (distribution != null) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	376 return distribution.total;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	377 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	378 return 0;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	379 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	380
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	381 @Override
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	382 public Map<Integer, Integer> asMap() {
4142 bc8527f3071c Adjust code base to new level of warnings. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: 3733 diff changeset	383 final Map<Integer, Integer> result = new HashMap<>();
3733 e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	384 for (Map.Entry<Integer, Distribution> entry : map().entrySet()) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	385 result.put(entry.getKey(), entry.getValue().total);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	386 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	387 return result;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	388 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	389
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	390 @Override
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	391 public void reset() {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	392 super.reset();
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	393 map = null;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	394 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	395 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	396
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	397 /**
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	398 * This class and its descendants support profiling of individual objects. Reference
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	399 * equality is used here exclusively. Various implementations with different size and space
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	400 * tradeoffs offer various levels of accuracy.
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	401 *
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	402 */
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	403 public abstract static class ObjectDistribution<T> extends Distribution<T> {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	404 public abstract void record(T value);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	405 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	406
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	407 public static class HashedObjectDistribution<T> extends ObjectDistribution<T> {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	408 private Map<T, Distribution> map;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	409 private Map<T, Distribution> map() {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	410 if (map == null) {
4142 bc8527f3071c Adjust code base to new level of warnings. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: 3733 diff changeset	411 map = new IdentityHashMap<>();
3733 e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	412 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	413 return map;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	414 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	415
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	416 public HashedObjectDistribution() {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	417 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	418
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	419 @Override
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	420 public void record(T value) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	421 total++;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	422 Distribution distribution = map().get(value);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	423 if (distribution == null) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	424 distribution = new Distribution();
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	425 map().put(value, distribution);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	426 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	427 distribution.total++;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	428 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	429 @Override
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	430 public int getCount(T value) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	431 final Distribution distribution = map().get(value);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	432 if (distribution != null) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	433 return distribution.total;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	434 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	435 return 0;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	436 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	437
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	438 @Override
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	439 public Map<T, Integer> asMap() {
4142 bc8527f3071c Adjust code base to new level of warnings. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: 3733 diff changeset	440 final Map<T, Integer> result = new IdentityHashMap<>();
3733 e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	441 for (Map.Entry<T, Distribution> entry : map().entrySet()) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	442 result.put(entry.getKey(), entry.getValue().total);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	443 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	444 return result;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	445 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	446
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	447 @Override
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	448 public void reset() {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	449 super.reset();
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	450 map = null;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	451 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	452 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	453
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	454 public static class FixedSetObjectDistribution<T> extends ObjectDistribution<T> {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	455
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	456 private final T[] set;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	457 private final int[] count;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	458 private int missed;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	459
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	460 public FixedSetObjectDistribution(T[] set) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	461 this.set = set.clone();
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	462 count = new int[set.length];
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	463 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	464
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	465 @Override
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	466 public void record(T value) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	467 total++;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	468 for (int i = 0; i < set.length; i++) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	469 if (set[i] == value) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	470 count[i]++;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	471 return;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	472 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	473 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	474 missed++;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	475 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	476 @Override
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	477 public int getCount(T value) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	478 for (int i = 0; i < set.length; i++) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	479 if (set[i] == value) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	480 return count[i];
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	481 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	482 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	483 return missed > 0 ? -1 : 0;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	484 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	485
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	486 @Override
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	487 public Map<T, Integer> asMap() {
4142 bc8527f3071c Adjust code base to new level of warnings. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: 3733 diff changeset	488 final Map<T, Integer> map = new IdentityHashMap<>();
3733 e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	489 for (int i = 0; i != count.length; ++i) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	490 map.put(set[i], count[i]);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	491 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	492 return map;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	493 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	494
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	495 @Override
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	496 public void reset() {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	497 super.reset();
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	498 missed = 0;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	499 Arrays.fill(set, 0);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	500 Arrays.fill(count, 0);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	501 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	502 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	503
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	504 /**
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	505 * This method creates a new distribution for the occurrence of integer values.
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	506 *
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	507 * @param name the name of the metric; if non-null, then a global metric of the specified
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	508 * name will be returned {@see GlobalMetrics}
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	509 * @param approx the approximation level that is requested. Different approximation levels
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	510 * have different time and space tradeoffs versus accuracy.
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	511 * @return a new integer distribution object that can be used to record occurrences of integers
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	512 */
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	513 public static IntegerDistribution newIntegerDistribution(String name, Approximation approx) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	514 if (name != null) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	515 final IntegerDistribution prev = GlobalMetrics.getMetric(name, IntegerDistribution.class);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	516 if (prev != null) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	517 return prev;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	518 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	519 return GlobalMetrics.setMetric(name, IntegerDistribution.class, createIntegerDistribution(approx));
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	520 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	521 return createIntegerDistribution(approx);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	522 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	523
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	524 private static IntegerDistribution createIntegerDistribution(Approximation approx) throws ProgramError {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	525 if (approx instanceof FixedApproximation) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	526 final FixedApproximation fixedApprox = (FixedApproximation) approx;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	527 final int[] values = new int[fixedApprox.values.length];
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	528 for (int i = 0; i < values.length; i++) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	529 values[i] = (Integer) fixedApprox.values[i];
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	530 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	531 return new FixedSetIntegerDistribution(values);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	532 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	533 if (approx instanceof IntegerRangeApproximation) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	534 final IntegerRangeApproximation fixedApprox = (IntegerRangeApproximation) approx;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	535 return new FixedRangeIntegerDistribution(fixedApprox.lowValue, fixedApprox.highValue);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	536 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	537 if (approx == EXACT) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	538 return new HashedIntegerDistribution();
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	539 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	540 if (approx instanceof IntegerTraceApproximation) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	541 final IntegerTraceApproximation traceApprox = (IntegerTraceApproximation) approx;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	542 return new TraceIntegerDistribution(traceApprox.bufferSize);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	543 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	544 return new HashedIntegerDistribution();
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	545 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	546
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	547 /**
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	548 * This is a utility method to create an integer distribution over a range of specified integers.
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	549 *
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	550 * @param name the name of the metric
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	551 * @param low the lowest value to be recorded in the range (inclusive)
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	552 * @param high the highest value to be recorded (inclusive)
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	553 * @return a new integer distribution object that will record exact profiles for the integers in the
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	554 * specified range
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	555 */
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	556 public static IntegerDistribution newIntegerDistribution(String name, int low, int high) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	557 return newIntegerDistribution(name, new IntegerRangeApproximation(low, high));
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	558 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	559
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	560 /**
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	561 * This utility method creates a new integer distribution with the {@link #EXACT} approximation.
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	562 * Note that the implementation of this integer distribution may consume excessive time and/or
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	563 * space for unstructured distributions.
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	564 *
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	565 * @param name the name of the metric; if non-null, then a shared, global metric of the specified name will be returned
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	566 * @return a new integer distribution that records an exact profile
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	567 */
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	568 public static IntegerDistribution newIntegerDistribution(String name) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	569 return newIntegerDistribution(name, EXACT);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	570 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	571
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	572 /**
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	573 * This utility method creates an integer distribution that records only the specified set of
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	574 * values, with all other values being not recorded.
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	575 *
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	576 * @param name the name of the metric; if non-null, then a shared, global metric of the specified name will be returned
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	577 * @param values the set of integer values to be recored
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	578 * @return a new integer distribution recorder
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	579 */
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	580 public static IntegerDistribution newIntegerDistribution(String name, int[] values) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	581 final Object[] vals = new Object[values.length];
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	582 for (int i = 0; i < vals.length; i++) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	583 vals[i] = values[i];
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	584 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	585 return newIntegerDistribution(name, new FixedApproximation(vals));
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	586 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	587
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	588 /**
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	589 * This method creates a new distribution capable of recording individual objects.
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	590 *
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	591 * @param <T> the type of objects being profiled
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	592 * @param name the name of the metric; if non-null, then a shared, global metric of the specified name will be
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	593 * returned
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	594 * @param approx the approximation for the distribution
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	595 * @return a new distribution capable of profiling the occurrence of objects
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	596 */
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	597 public static <T> ObjectDistribution<T> newObjectDistribution(String name, Approximation approx) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	598 if (name != null) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	599 final ObjectDistribution<T> prev = Utils.cast(GlobalMetrics.getMetric(name, ObjectDistribution.class));
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	600 if (prev != null) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	601 return prev;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	602 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	603 return Utils.cast(GlobalMetrics.setMetric(name, ObjectDistribution.class, createObjectDistribution(approx)));
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	604 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	605 return createObjectDistribution(approx);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	606 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	607
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	608 private static <T> ObjectDistribution<T> createObjectDistribution(Approximation approx) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	609 if (approx instanceof FixedApproximation) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	610 final FixedApproximation fixedApprox = (FixedApproximation) approx;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	611 final T[] values = Utils.cast(fixedApprox.values);
4142 bc8527f3071c Adjust code base to new level of warnings. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: 3733 diff changeset	612 return new FixedSetObjectDistribution<>(values);
3733 e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	613 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	614 if (approx == EXACT) {
4142 bc8527f3071c Adjust code base to new level of warnings. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: 3733 diff changeset	615 return new HashedObjectDistribution<>();
3733 e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	616 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	617 // default is to use the hashed object distribution
4142 bc8527f3071c Adjust code base to new level of warnings. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: 3733 diff changeset	618 return new HashedObjectDistribution<>();
3733 e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	619 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	620
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	621 /**
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	622 * This is a utility method to create a new object distribution that only records occurrences of
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	623 * objects in the specified set.
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	624 *
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	625 * @param <T> the type of the objects being profiled
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	626 * @param name the name of the metric
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	627 * @param set the set of objects for which to record exact profiling information
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	628 * @return a new distribution capable of producing an exact profile of the occurence of the specified objects
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	629 */
4142 bc8527f3071c Adjust code base to new level of warnings. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: 3733 diff changeset	630 @SafeVarargs
3733 e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	631 public static <T> ObjectDistribution<T> newObjectDistribution(String name, T... set) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	632 return newObjectDistribution(name, new FixedApproximation(set));
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	633 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	634
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	635 /**
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	636 * This is utility method to create a new object distribution with an exact profile.
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	637 *
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	638 * @param <T> the type of the objects being profiled
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	639 * @param name the name of metric
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	640 * @return a new distribution capable of producing an exact profile of the occurrences of all of the specified
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	641 * objects.
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	642 */
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	643 public static <T> ObjectDistribution<T> newObjectDistribution(String name) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	644 return newObjectDistribution(name, EXACT);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	645 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	646
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	647 public static class ThreadsafeIntegerDistribution extends IntegerDistribution {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	648
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	649 private final IntegerDistribution distribution;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	650
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	651 public ThreadsafeIntegerDistribution(IntegerDistribution distribution) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	652 this.distribution = distribution;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	653 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	654 @Override
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	655 public void record(int value) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	656 synchronized (distribution) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	657 distribution.record(value);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	658 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	659 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	660 @Override
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	661 public int getCount(Integer value) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	662 synchronized (distribution) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	663 return distribution.getCount(value);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	664 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	665 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	666
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	667 @Override
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	668 public Map<Integer, Integer> asMap() {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	669 synchronized (distribution) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	670 return distribution.asMap();
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	671 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	672 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	673 @Override
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	674 public void reset() {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	675 super.reset();
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	676 distribution.reset();
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	677 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	678
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	679 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	680
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	681 private static class ThreadsafeObjectDistribution<T> extends ObjectDistribution<T> {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	682
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	683 private final ObjectDistribution<T> distribution;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	684
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	685 ThreadsafeObjectDistribution(ObjectDistribution<T> distribution) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	686 this.distribution = distribution;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	687 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	688 @Override
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	689 public void record(T value) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	690 synchronized (distribution) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	691 distribution.record(value);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	692 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	693 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	694 @Override
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	695 public int getCount(T value) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	696 synchronized (distribution) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	697 return distribution.getCount(value);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	698 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	699 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	700
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	701 @Override
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	702 public Map<T, Integer> asMap() {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	703 synchronized (distribution) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	704 return distribution.asMap();
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	705 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	706 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	707 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	708
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	709 /**
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	710 * This method creates a wrapper around the specified integer distribution that ensures
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	711 * access to the distribution is synchronized.
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	712 *
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	713 * @param distribution the distribution to wrap in a synchronization
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	714 * @return a synchronized view of the distribution
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	715 */
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	716 public static IntegerDistribution threadSafe(IntegerDistribution distribution) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	717 return new ThreadsafeIntegerDistribution(distribution);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	718 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	719
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	720 /**
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	721 * This method creates a wrapper around the specified integer distribution that ensures
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	722 * access to the distribution is synchronized.
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	723 *
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	724 * @param distribution the distribution to wrap in a synchronization
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	725 * @return a synchronized view of the distribution
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	726 */
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	727 public static <T> ObjectDistribution<T> threadSafe(ObjectDistribution<T> distribution) {
4142 bc8527f3071c Adjust code base to new level of warnings. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: 3733 diff changeset	728 return new ThreadsafeObjectDistribution<>(distribution);
3733 e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	729 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	730 }

Mercurial > hg > truffle

annotate graal/com.oracle.max.base/src/com/sun/max/profile/ValueMetrics.java @ 4142:bc8527f3071c