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1 /* |
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2 * Copyright (c) 2015, 2017, 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 #ifndef SHARE_VM_LOGGING_LOGTAG_HPP |
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25 #define SHARE_VM_LOGGING_LOGTAG_HPP |
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26 |
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27 #include "logging/logTag_ext.hpp" |
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28 #include "memory/allocation.hpp" |
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29 #include "utilities/globalDefinitions.hpp" |
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30 |
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31 // List of available logging tags. New tags should be added here. |
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32 // (The tags 'all', 'disable' and 'help' are special tags that can |
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33 // not be used in log calls, and should not be listed below.) |
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34 #define LOG_TAG_LIST \ |
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35 LOG_TAG(add) \ |
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36 LOG_TAG(age) \ |
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37 LOG_TAG(alloc) \ |
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38 LOG_TAG(aot) \ |
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39 LOG_TAG(annotation) \ |
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40 LOG_TAG(arguments) \ |
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41 LOG_TAG(attach) \ |
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42 LOG_TAG(barrier) \ |
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43 LOG_TAG(biasedlocking) \ |
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44 LOG_TAG(blocks) \ |
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45 LOG_TAG(bot) \ |
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46 LOG_TAG(breakpoint) \ |
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47 LOG_TAG(cds) \ |
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48 LOG_TAG(census) \ |
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49 LOG_TAG(class) \ |
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50 LOG_TAG(classhisto) \ |
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51 LOG_TAG(cleanup) \ |
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52 LOG_TAG(codecache) \ |
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53 LOG_TAG(compaction) \ |
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54 LOG_TAG(compilation) \ |
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55 LOG_TAG(constraints) \ |
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56 LOG_TAG(constantpool) \ |
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57 LOG_TAG(coops) \ |
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58 LOG_TAG(cpu) \ |
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59 LOG_TAG(cset) \ |
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60 LOG_TAG(data) \ |
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61 LOG_TAG(datacreation) \ |
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62 LOG_TAG(defaultmethods) \ |
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63 LOG_TAG(dump) \ |
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64 LOG_TAG(ergo) \ |
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65 LOG_TAG(exceptions) \ |
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66 LOG_TAG(exit) \ |
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67 LOG_TAG(fingerprint) \ |
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68 LOG_TAG(freelist) \ |
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69 LOG_TAG(gc) \ |
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70 LOG_TAG(hashtables) \ |
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71 LOG_TAG(heap) \ |
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72 LOG_TAG(humongous) \ |
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73 LOG_TAG(ihop) \ |
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74 LOG_TAG(iklass) \ |
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75 LOG_TAG(init) \ |
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76 LOG_TAG(inlining) \ |
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77 LOG_TAG(interpreter) \ |
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78 LOG_TAG(itables) \ |
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79 LOG_TAG(jit) \ |
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80 LOG_TAG(jni) \ |
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81 LOG_TAG(jvmti) \ |
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82 LOG_TAG(liveness) \ |
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83 LOG_TAG(load) /* Trace all classes loaded */ \ |
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84 LOG_TAG(loader) \ |
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85 LOG_TAG(logging) \ |
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86 LOG_TAG(mark) \ |
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87 LOG_TAG(marking) \ |
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88 LOG_TAG(membername) \ |
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89 LOG_TAG(memops) \ |
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90 LOG_TAG(methodcomparator) \ |
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91 LOG_TAG(metadata) \ |
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92 LOG_TAG(metaspace) \ |
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93 LOG_TAG(mmu) \ |
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94 LOG_TAG(module) \ |
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95 LOG_TAG(monitorinflation) \ |
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96 LOG_TAG(monitormismatch) \ |
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97 LOG_TAG(nmethod) \ |
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98 LOG_TAG(normalize) \ |
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99 LOG_TAG(objecttagging) \ |
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100 LOG_TAG(obsolete) \ |
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101 LOG_TAG(oopmap) \ |
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102 LOG_TAG(os) \ |
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103 LOG_TAG(pagesize) \ |
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104 LOG_TAG(patch) \ |
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105 LOG_TAG(path) \ |
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106 LOG_TAG(perf) \ |
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107 LOG_TAG(phases) \ |
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108 LOG_TAG(plab) \ |
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109 LOG_TAG(promotion) \ |
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110 LOG_TAG(preorder) /* Trace all classes loaded in order referenced (not loaded) */ \ |
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111 LOG_TAG(protectiondomain) /* "Trace protection domain verification" */ \ |
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112 LOG_TAG(ref) \ |
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113 LOG_TAG(redefine) \ |
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114 LOG_TAG(refine) \ |
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115 LOG_TAG(region) \ |
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116 LOG_TAG(remset) \ |
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117 LOG_TAG(purge) \ |
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118 LOG_TAG(resolve) \ |
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119 LOG_TAG(safepoint) \ |
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120 LOG_TAG(scavenge) \ |
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121 LOG_TAG(scrub) \ |
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122 LOG_TAG(stacktrace) \ |
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123 LOG_TAG(stackwalk) \ |
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124 LOG_TAG(start) \ |
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125 LOG_TAG(startuptime) \ |
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126 LOG_TAG(state) \ |
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127 LOG_TAG(stats) \ |
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128 LOG_TAG(stringdedup) \ |
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129 LOG_TAG(stringtable) \ |
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130 LOG_TAG(stackmap) \ |
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131 LOG_TAG(subclass) \ |
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132 LOG_TAG(survivor) \ |
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133 LOG_TAG(sweep) \ |
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134 LOG_TAG(table) \ |
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135 LOG_TAG(task) \ |
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136 DEBUG_ONLY(LOG_TAG(test)) \ |
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137 LOG_TAG(thread) \ |
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138 LOG_TAG(tlab) \ |
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139 LOG_TAG(time) \ |
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140 LOG_TAG(timer) \ |
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141 LOG_TAG(update) \ |
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142 LOG_TAG(unload) /* Trace unloading of classes */ \ |
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143 LOG_TAG(unshareable) \ |
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144 LOG_TAG(verification) \ |
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145 LOG_TAG(verify) \ |
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146 LOG_TAG(vmoperation) \ |
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147 LOG_TAG(vmthread) \ |
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148 LOG_TAG(vtables) \ |
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149 LOG_TAG(workgang) \ |
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150 LOG_TAG_LIST_EXT |
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151 |
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152 #define PREFIX_LOG_TAG(T) (LogTag::_##T) |
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153 |
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154 // Expand a set of log tags to their prefixed names. |
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155 // For error detection purposes, the macro passes one more tag than what is supported. |
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156 // If too many tags are given, a static assert in the log class will fail. |
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157 #define LOG_TAGS_EXPANDED(T0, T1, T2, T3, T4, T5, ...) PREFIX_LOG_TAG(T0), PREFIX_LOG_TAG(T1), PREFIX_LOG_TAG(T2), \ |
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158 PREFIX_LOG_TAG(T3), PREFIX_LOG_TAG(T4), PREFIX_LOG_TAG(T5) |
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159 // The EXPAND_VARARGS macro is required for MSVC, or it will resolve the LOG_TAGS_EXPANDED macro incorrectly. |
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160 #define EXPAND_VARARGS(x) x |
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161 #define LOG_TAGS(...) EXPAND_VARARGS(LOG_TAGS_EXPANDED(__VA_ARGS__, _NO_TAG, _NO_TAG, _NO_TAG, _NO_TAG, _NO_TAG, _NO_TAG)) |
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162 |
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163 // Log tags are used to classify log messages. |
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164 // Each log message can be assigned between 1 to LogTag::MaxTags number of tags. |
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165 // Specifying multiple tags for a log message means that only outputs configured |
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166 // for those exact tags, or a subset of the tags with a wildcard, will see the logging. |
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167 // Multiple tags should be comma separated, e.g. log_error(tag1, tag2)("msg"). |
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168 class LogTag : public AllStatic { |
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169 public: |
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170 // The maximum number of tags that a single log message can have. |
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171 // E.g. there might be hundreds of different tags available, |
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172 // but a specific log message can only be tagged with up to MaxTags of those. |
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173 static const size_t MaxTags = 5; |
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174 |
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175 enum type { |
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176 __NO_TAG, |
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177 #define LOG_TAG(name) _##name, |
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178 LOG_TAG_LIST |
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179 #undef LOG_TAG |
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180 Count |
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181 }; |
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182 |
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183 static const char* name(LogTag::type tag) { |
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184 return _name[tag]; |
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185 } |
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186 |
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187 static LogTag::type from_string(const char *str); |
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188 |
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189 private: |
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190 static const char* _name[]; |
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191 }; |
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192 |
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193 typedef LogTag::type LogTagType; |
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194 |
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195 #endif // SHARE_VM_LOGGING_LOGTAG_HPP |