Mercurial > hg > truffle
annotate src/share/vm/memory/metaspaceCounters.cpp @ 9408:c21b1e5b515c
Small refactoring
author | Christos Kotselidis <christos.kotselidis@oracle.com> |
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date | Sun, 28 Apr 2013 22:34:46 +0200 |
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1 /* |
7440 | 2 * Copyright (c) 2012, 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 "utilities/exceptions.hpp" |
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29 |
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30 MetaspaceCounters* MetaspaceCounters::_metaspace_counters = NULL; |
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31 |
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32 MetaspaceCounters::MetaspaceCounters() : |
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33 _capacity(NULL), |
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34 _used(NULL), |
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35 _max_capacity(NULL) { |
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36 if (UsePerfData) { |
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37 size_t min_capacity = MetaspaceAux::min_chunk_size(); |
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38 size_t max_capacity = MetaspaceAux::reserved_in_bytes(); |
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39 size_t curr_capacity = MetaspaceAux::capacity_in_bytes(); |
6734 | 40 size_t used = MetaspaceAux::used_in_bytes(); |
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41 |
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42 initialize(min_capacity, max_capacity, curr_capacity, used); |
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43 } |
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44 } |
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45 |
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46 static PerfVariable* create_ms_variable(const char *ns, |
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47 const char *name, |
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48 size_t value, |
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49 TRAPS) { |
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50 const char *path = PerfDataManager::counter_name(ns, name); |
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51 PerfVariable *result = |
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52 PerfDataManager::create_variable(SUN_GC, path, PerfData::U_Bytes, value, |
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53 CHECK_NULL); |
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54 return result; |
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55 } |
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56 |
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57 static void create_ms_constant(const char *ns, |
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58 const char *name, |
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59 size_t value, |
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60 TRAPS) { |
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61 const char *path = PerfDataManager::counter_name(ns, name); |
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62 PerfDataManager::create_constant(SUN_GC, path, PerfData::U_Bytes, value, CHECK); |
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63 } |
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64 |
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65 void MetaspaceCounters::initialize(size_t min_capacity, |
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66 size_t max_capacity, |
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67 size_t curr_capacity, |
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68 size_t used) { |
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69 |
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70 if (UsePerfData) { |
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71 EXCEPTION_MARK; |
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72 ResourceMark rm; |
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73 |
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74 const char *ms = "metaspace"; |
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75 |
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76 create_ms_constant(ms, "minCapacity", min_capacity, CHECK); |
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77 _max_capacity = create_ms_variable(ms, "maxCapacity", max_capacity, CHECK); |
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78 _capacity = create_ms_variable(ms, "capacity", curr_capacity, CHECK); |
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79 _used = create_ms_variable(ms, "used", used, CHECK); |
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80 } |
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81 } |
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82 |
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83 void MetaspaceCounters::update_capacity() { |
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84 assert(UsePerfData, "Should not be called unless being used"); |
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85 assert(_capacity != NULL, "Should be initialized"); |
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86 size_t capacity_in_bytes = MetaspaceAux::capacity_in_bytes(); |
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87 _capacity->set_value(capacity_in_bytes); |
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88 } |
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89 |
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90 void MetaspaceCounters::update_used() { |
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91 assert(UsePerfData, "Should not be called unless being used"); |
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92 assert(_used != NULL, "Should be initialized"); |
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94 _used->set_value(used_in_bytes); |
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95 } |
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96 |
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97 void MetaspaceCounters::update_max_capacity() { |
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98 assert(UsePerfData, "Should not be called unless being used"); |
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99 assert(_max_capacity != NULL, "Should be initialized"); |
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100 size_t reserved_in_bytes = MetaspaceAux::reserved_in_bytes(); |
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101 _max_capacity->set_value(reserved_in_bytes); |
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102 } |
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103 |
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104 void MetaspaceCounters::update_all() { |
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105 if (UsePerfData) { |
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106 update_used(); |
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107 update_capacity(); |
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108 update_max_capacity(); |
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109 } |
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110 } |
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111 |
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112 void MetaspaceCounters::initialize_performance_counters() { |
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113 if (UsePerfData) { |
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114 assert(_metaspace_counters == NULL, "Should only be initialized once"); |
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115 _metaspace_counters = new MetaspaceCounters(); |
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116 } |
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117 } |
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118 |
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119 void MetaspaceCounters::update_performance_counters() { |
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120 if (UsePerfData) { |
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121 assert(_metaspace_counters != NULL, "Should be initialized"); |
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122 _metaspace_counters->update_all(); |
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123 } |
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124 } |
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125 |