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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 |