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6197
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1 /*
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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 #ifndef SHARE_VM_SERVICES_MEM_REPORTER_HPP
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26 #define SHARE_VM_SERVICES_MEM_REPORTER_HPP
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27
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28 #include "runtime/mutexLocker.hpp"
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29 #include "services/memBaseline.hpp"
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30 #include "services/memTracker.hpp"
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31 #include "utilities/ostream.hpp"
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32
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33 /*
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34 * MemBaselineReporter reports data to this outputer class,
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35 * ReportOutputer is responsible for format, store and redirect
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36 * the data to the final destination.
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37 */
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38 class BaselineOutputer : public StackObj {
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39 public:
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40 // start to report memory usage in specified scale.
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41 // if report_diff = true, the reporter reports baseline comparison
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42 // information.
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43
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44 virtual void start(size_t scale, bool report_diff = false) = 0;
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45 // Done reporting
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46 virtual void done() = 0;
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47
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48 /* report baseline summary information */
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49 virtual void total_usage(size_t total_reserved,
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50 size_t total_committed) = 0;
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51 virtual void num_of_classes(size_t classes) = 0;
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52 virtual void num_of_threads(size_t threads) = 0;
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53
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54 virtual void thread_info(size_t stack_reserved_amt, size_t stack_committed_amt) = 0;
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55
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56 /* report baseline summary comparison */
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57 virtual void diff_total_usage(size_t total_reserved,
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58 size_t total_committed,
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59 int reserved_diff,
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60 int committed_diff) = 0;
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61 virtual void diff_num_of_classes(size_t classes, int diff) = 0;
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62 virtual void diff_num_of_threads(size_t threads, int diff) = 0;
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63
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64 virtual void diff_thread_info(size_t stack_reserved, size_t stack_committed,
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65 int stack_reserved_diff, int stack_committed_diff) = 0;
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66
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67
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68 /*
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69 * memory summary by memory types.
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70 * for each memory type, following summaries are reported:
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71 * - reserved amount, committed amount
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72 * - malloc'd amount, malloc count
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73 * - arena amount, arena count
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74 */
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75
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76 // start reporting memory summary by memory type
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77 virtual void start_category_summary() = 0;
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78
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79 virtual void category_summary(MEMFLAGS type, size_t reserved_amt,
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80 size_t committed_amt,
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81 size_t malloc_amt, size_t malloc_count,
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82 size_t arena_amt, size_t arena_count) = 0;
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83
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84 virtual void diff_category_summary(MEMFLAGS type, size_t cur_reserved_amt,
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85 size_t cur_committed_amt,
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86 size_t cur_malloc_amt, size_t cur_malloc_count,
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87 size_t cur_arena_amt, size_t cur_arena_count,
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88 int reserved_diff, int committed_diff, int malloc_diff,
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89 int malloc_count_diff, int arena_diff,
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90 int arena_count_diff) = 0;
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91
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92 virtual void done_category_summary() = 0;
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93
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94 /*
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95 * Report callsite information
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96 */
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97 virtual void start_callsite() = 0;
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98 virtual void malloc_callsite(address pc, size_t malloc_amt, size_t malloc_count) = 0;
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99 virtual void virtual_memory_callsite(address pc, size_t reserved_amt, size_t committed_amt) = 0;
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100
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101 virtual void diff_malloc_callsite(address pc, size_t cur_malloc_amt, size_t cur_malloc_count,
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102 int malloc_diff, int malloc_count_diff) = 0;
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103 virtual void diff_virtual_memory_callsite(address pc, size_t cur_reserved_amt, size_t cur_committed_amt,
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104 int reserved_diff, int committed_diff) = 0;
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105
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106 virtual void done_callsite() = 0;
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107
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108 // return current scale in "KB", "MB" or "GB"
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109 static const char* memory_unit(size_t scale);
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110 };
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111
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112 /*
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113 * This class reports processed data from a baseline or
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114 * the changes between the two baseline.
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115 */
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116 class BaselineReporter : public StackObj {
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117 private:
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118 BaselineOutputer& _outputer;
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119 size_t _scale;
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120
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121 public:
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122 // construct a reporter that reports memory usage
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123 // in specified scale
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124 BaselineReporter(BaselineOutputer& outputer, size_t scale = K):
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125 _outputer(outputer) {
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126 _scale = scale;
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127 }
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128 virtual void report_baseline(const MemBaseline& baseline, bool summary_only = false);
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129 virtual void diff_baselines(const MemBaseline& cur, const MemBaseline& prev,
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130 bool summary_only = false);
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131
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132 void set_scale(size_t scale);
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133 size_t scale() const { return _scale; }
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134
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135 private:
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136 void report_summaries(const MemBaseline& baseline);
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137 void report_callsites(const MemBaseline& baseline);
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138
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139 void diff_summaries(const MemBaseline& cur, const MemBaseline& prev);
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140 void diff_callsites(const MemBaseline& cur, const MemBaseline& prev);
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141
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142 // calculate memory size in current memory scale
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143 size_t amount_in_current_scale(size_t amt) const;
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144 // diff two unsigned values in current memory scale
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145 int diff_in_current_scale(size_t value1, size_t value2) const;
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146 // diff two unsigned value
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147 int diff(size_t value1, size_t value2) const;
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148 };
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149
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150 /*
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151 * tty output implementation. Native memory tracking
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152 * DCmd uses this outputer.
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153 */
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154 class BaselineTTYOutputer : public BaselineOutputer {
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155 private:
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156 size_t _scale;
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157
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158 size_t _num_of_classes;
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159 size_t _num_of_threads;
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160 size_t _thread_stack_reserved;
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161 size_t _thread_stack_committed;
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162
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163 int _num_of_classes_diff;
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164 int _num_of_threads_diff;
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165 int _thread_stack_reserved_diff;
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166 int _thread_stack_committed_diff;
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167
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168 outputStream* _output;
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169
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170 public:
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171 BaselineTTYOutputer(outputStream* st) {
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172 _scale = K;
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173 _num_of_classes = 0;
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174 _num_of_threads = 0;
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175 _thread_stack_reserved = 0;
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176 _thread_stack_committed = 0;
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177 _num_of_classes_diff = 0;
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178 _num_of_threads_diff = 0;
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179 _thread_stack_reserved_diff = 0;
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180 _thread_stack_committed_diff = 0;
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181 _output = st;
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182 }
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183
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184 // begin reporting memory usage in specified scale
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185 void start(size_t scale, bool report_diff = false);
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186 // done reporting
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187 void done();
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188
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189 // total memory usage
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190 void total_usage(size_t total_reserved,
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191 size_t total_committed);
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192 // report total loaded classes
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193 void num_of_classes(size_t classes) {
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194 _num_of_classes = classes;
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195 }
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196
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197 void num_of_threads(size_t threads) {
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198 _num_of_threads = threads;
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199 }
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200
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201 void thread_info(size_t stack_reserved_amt, size_t stack_committed_amt) {
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202 _thread_stack_reserved = stack_reserved_amt;
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203 _thread_stack_committed = stack_committed_amt;
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204 }
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205
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206 void diff_total_usage(size_t total_reserved,
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207 size_t total_committed,
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208 int reserved_diff,
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209 int committed_diff);
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210
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211 void diff_num_of_classes(size_t classes, int diff) {
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212 _num_of_classes = classes;
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213 _num_of_classes_diff = diff;
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214 }
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215
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216 void diff_num_of_threads(size_t threads, int diff) {
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217 _num_of_threads = threads;
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218 _num_of_threads_diff = diff;
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219 }
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220
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221 void diff_thread_info(size_t stack_reserved_amt, size_t stack_committed_amt,
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222 int stack_reserved_diff, int stack_committed_diff) {
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223 _thread_stack_reserved = stack_reserved_amt;
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224 _thread_stack_committed = stack_committed_amt;
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225 _thread_stack_reserved_diff = stack_reserved_diff;
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226 _thread_stack_committed_diff = stack_committed_diff;
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227 }
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228
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229 /*
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230 * Report memory summary categoriuzed by memory types.
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231 * For each memory type, following summaries are reported:
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232 * - reserved amount, committed amount
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233 * - malloc-ed amount, malloc count
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234 * - arena amount, arena count
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235 */
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236 // start reporting memory summary by memory type
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237 void start_category_summary();
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238 void category_summary(MEMFLAGS type, size_t reserved_amt, size_t committed_amt,
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239 size_t malloc_amt, size_t malloc_count,
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240 size_t arena_amt, size_t arena_count);
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241
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242 void diff_category_summary(MEMFLAGS type, size_t cur_reserved_amt,
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243 size_t cur_committed_amt,
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244 size_t cur_malloc_amt, size_t cur_malloc_count,
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245 size_t cur_arena_amt, size_t cur_arena_count,
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246 int reserved_diff, int committed_diff, int malloc_diff,
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247 int malloc_count_diff, int arena_diff,
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248 int arena_count_diff);
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249
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250 void done_category_summary();
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251
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252 /*
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253 * Report callsite information
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254 */
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255 void start_callsite();
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256 void malloc_callsite(address pc, size_t malloc_amt, size_t malloc_count);
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257 void virtual_memory_callsite(address pc, size_t reserved_amt, size_t committed_amt);
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258
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259 void diff_malloc_callsite(address pc, size_t cur_malloc_amt, size_t cur_malloc_count,
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260 int malloc_diff, int malloc_count_diff);
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261 void diff_virtual_memory_callsite(address pc, size_t cur_reserved_amt, size_t cur_committed_amt,
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262 int reserved_diff, int committed_diff);
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263
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264 void done_callsite();
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265 };
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266
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267
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268 #endif // SHARE_VM_SERVICES_MEM_REPORTER_HPP
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