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annotate src/share/vm/memory/metaspaceCounters.cpp @ 17866:270d7cb38f40

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8038934: Remove prefix allocated_ from methods and variables in Metaspace Reviewed-by: jmasa, coleenp
author ehelin
date Mon, 31 Mar 2014 17:09:38 +0200
parents 55fb97c4c58d
children 52b4284cb496
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1 /*
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2 * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 *
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23 */
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24
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25 #include "precompiled.hpp"
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26 #include "memory/metaspaceCounters.hpp"
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27 #include "memory/resourceArea.hpp"
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28 #include "runtime/globals.hpp"
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29 #include "runtime/perfData.hpp"
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30 #include "utilities/exceptions.hpp"
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31
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32 class MetaspacePerfCounters: public CHeapObj<mtInternal> {
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33 friend class VMStructs;
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34 PerfVariable* _capacity;
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35 PerfVariable* _used;
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36 PerfVariable* _max_capacity;
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37
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38 PerfVariable* create_variable(const char *ns, const char *name, size_t value, TRAPS) {
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39 const char *path = PerfDataManager::counter_name(ns, name);
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40 return PerfDataManager::create_variable(SUN_GC, path, PerfData::U_Bytes, value, THREAD);
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41 }
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42
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43 void create_constant(const char *ns, const char *name, size_t value, TRAPS) {
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44 const char *path = PerfDataManager::counter_name(ns, name);
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45 PerfDataManager::create_constant(SUN_GC, path, PerfData::U_Bytes, value, THREAD);
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46 }
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47
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48 public:
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49 MetaspacePerfCounters(const char* ns, size_t min_capacity, size_t curr_capacity, size_t max_capacity, size_t used) {
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50 EXCEPTION_MARK;
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51 ResourceMark rm;
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52
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53 create_constant(ns, "minCapacity", min_capacity, THREAD);
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54 _capacity = create_variable(ns, "capacity", curr_capacity, THREAD);
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55 _max_capacity = create_variable(ns, "maxCapacity", max_capacity, THREAD);
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56 _used = create_variable(ns, "used", used, THREAD);
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57 }
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58
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59 void update(size_t capacity, size_t max_capacity, size_t used) {
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60 _capacity->set_value(capacity);
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61 _max_capacity->set_value(max_capacity);
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62 _used->set_value(used);
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63 }
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64 };
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65
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66 MetaspacePerfCounters* MetaspaceCounters::_perf_counters = NULL;
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67
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68 size_t MetaspaceCounters::used() {
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69 return MetaspaceAux::used_bytes();
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70 }
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71
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72 size_t MetaspaceCounters::capacity() {
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73 return MetaspaceAux::committed_bytes();
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74 }
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75
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76 size_t MetaspaceCounters::max_capacity() {
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77 return MetaspaceAux::reserved_bytes();
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78 }
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79
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80 void MetaspaceCounters::initialize_performance_counters() {
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81 if (UsePerfData) {
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82 assert(_perf_counters == NULL, "Should only be initialized once");
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83
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84 size_t min_capacity = 0;
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85 _perf_counters = new MetaspacePerfCounters("metaspace", min_capacity,
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86 capacity(), max_capacity(), used());
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87 }
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88 }
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89
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90 void MetaspaceCounters::update_performance_counters() {
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91 if (UsePerfData) {
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92 assert(_perf_counters != NULL, "Should be initialized");
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93
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94 _perf_counters->update(capacity(), max_capacity(), used());
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95 }
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96 }
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97
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98 MetaspacePerfCounters* CompressedClassSpaceCounters::_perf_counters = NULL;
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99
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100 size_t CompressedClassSpaceCounters::used() {
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101 return MetaspaceAux::used_bytes(Metaspace::ClassType);
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102 }
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103
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104 size_t CompressedClassSpaceCounters::capacity() {
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105 return MetaspaceAux::committed_bytes(Metaspace::ClassType);
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106 }
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107
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108 size_t CompressedClassSpaceCounters::max_capacity() {
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109 return MetaspaceAux::reserved_bytes(Metaspace::ClassType);
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110 }
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111
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112 void CompressedClassSpaceCounters::update_performance_counters() {
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113 if (UsePerfData && UseCompressedClassPointers) {
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114 assert(_perf_counters != NULL, "Should be initialized");
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115
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116 _perf_counters->update(capacity(), max_capacity(), used());
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117 }
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118 }
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119
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120 void CompressedClassSpaceCounters::initialize_performance_counters() {
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121 if (UsePerfData) {
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122 assert(_perf_counters == NULL, "Should only be initialized once");
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123 const char* ns = "compressedclassspace";
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124
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125 if (UseCompressedClassPointers) {
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126 size_t min_capacity = 0;
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127 _perf_counters = new MetaspacePerfCounters(ns, min_capacity, capacity(),
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128 max_capacity(), used());
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129 } else {
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130 _perf_counters = new MetaspacePerfCounters(ns, 0, 0, 0, 0);
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131 }
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132 }
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133 }