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1 <?xml version="1.0" encoding="utf-8"?>
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2 <!--
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3 Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
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4 DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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5
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6 This code is free software; you can redistribute it and/or modify it
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7 under the terms of the GNU General Public License version 2 only, as
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8 published by the Free Software Foundation.
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9
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10 This code is distributed in the hope that it will be useful, but WITHOUT
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11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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13 version 2 for more details (a copy is included in the LICENSE file that
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14 accompanied this code).
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15
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16 You should have received a copy of the GNU General Public License version
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17 2 along with this work; if not, write to the Free Software Foundation,
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18 Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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19
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20 Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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21 or visit www.oracle.com if you need additional information or have any
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22 questions.
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23
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24 -->
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25
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26
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27 <!DOCTYPE trace SYSTEM "trace.dtd" [
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28 <!ENTITY % xinclude SYSTEM "xinclude.mod">
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29 %xinclude;
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30 ]>
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31
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32 <trace>
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33 <xi:include href="tracetypes.xml" xmlns:xi="http://www.w3.org/2001/XInclude"/>
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34
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35 <relation_decls>
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36 <relation_decl id="GC_ID" uri="vm/gc/id"/>
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37 <relation_decl id="COMP_ID" uri="vm/compiler/id"/>
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38 <relation_decl id="SWEEP_ID" uri="vm/code_sweeper/id"/>
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39 <relation_decl id="JAVA_MONITOR_ADDRESS" uri="java/monitor/address"/>
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40 </relation_decls>
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41
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42 <!--
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43
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44 Events in the JVM are by default timed (it's more common)
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45 Perhaps a little strange. Might change.
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46
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47 EVENTS
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48
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49 Declard with the 'event' tag.
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50
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51 <value fields> can be one or more of
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52 value - a simple primitive or constant type value
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53 structvalue - value is a sub-struct. This type must be previously defined
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54 with 'struct'
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55 All these require you to declare type, field and label of the field. They also accept
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56 an optional description of the field. If the meaning of the field is not obvious
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57 from the label you should provide a description. If an event however is not actually
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58 meant for end-users, you should probably _not_ write descriptions at all, since you
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59 might just add more concepts the user has no notion of/interest in.
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60
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61 Events should be modeled after what conceptual process you are expressing, _NOT_
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62 from whatever data structures you might use inside the JVM for expressing a process.
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63
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64
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65 STRUCT
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66
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67 Declared with the 'struct' tag.
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68
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69 Declares a structure type that can be used in other events.
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70
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71 -->
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72
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73 <events>
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74 <event id="ThreadStart" path="java/thread_start" label="Java Thread Start"
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75 has_thread="true" is_instant="true">
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76 <value type="JAVALANGTHREAD" field="javalangthread" label="Java Thread"/>
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77 </event>
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78
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79 <event id="ThreadEnd" path="java/thread_end" label="Java Thread End"
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80 has_thread="true" is_instant="true">
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81 <value type="JAVALANGTHREAD" field="javalangthread" label="Java Thread"/>
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82 </event>
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83
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84 <event id="ThreadSleep" path="java/thread_sleep" label="Java Thread Sleep"
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85 has_thread="true" has_stacktrace="true" is_instant="false">
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86 <value type="MILLIS" field="time" label="Sleep Time"/>
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87 </event>
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88
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89 <event id="ThreadPark" path="java/thread_park" label="Java Thread Park"
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90 has_thread="true" has_stacktrace="true" is_instant="false">
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91 <value type="CLASS" field="klass" label="Class Parked On"/>
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92 <value type="MILLIS" field="timeout" label="Park Timeout"/>
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93 <value type="ADDRESS" field="address" label="Address of Object Parked" relation="JAVA_MONITOR_ADDRESS"/>
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94 </event>
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95
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96 <event id="JavaMonitorEnter" path="java/monitor_enter" label="Java Monitor Blocked"
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97 has_thread="true" has_stacktrace="true" is_instant="false">
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98 <value type="CLASS" field="klass" label="Monitor Class"/>
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99 <value type="JAVALANGTHREAD" field="previousOwner" label="Previous Monitor Owner"/>
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100 <value type="ADDRESS" field="address" label="Monitor Address" relation="JAVA_MONITOR_ADDRESS"/>
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101 </event>
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102
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103 <event id="JavaMonitorWait" path="java/monitor_wait" label="Java Monitor Wait" description="Waiting on a Java monitor"
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104 has_thread="true" has_stacktrace="true" is_instant="false">
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105 <value type="CLASS" field="klass" label="Monitor Class" description="Class of object waited on"/>
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106 <value type="OSTHREAD" field="notifier" label="Notifier Thread" description="Notifying Thread"/>
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107 <value type="MILLIS" field="timeout" label="Timeout" description="Maximum wait time"/>
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108 <value type="BOOLEAN" field="timedOut" label="Timed Out" description="Wait has been timed out"/>
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109 <value type="ADDRESS" field="address" label="Monitor Address" description="Address of object waited on" relation="JAVA_MONITOR_ADDRESS"/>
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110 </event>
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111
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112 <event id="ClassLoad" path="vm/class/load" label="Class Load"
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113 has_thread="true" has_stacktrace="true" is_instant="false">
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114 <value type="CLASS" field="loadedClass" label="Loaded Class"/>
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115 <value type="CLASS" field="definingClassLoader" label="Defining Class Loader"/>
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116 <value type="CLASS" field="initiatingClassLoader" label="Initiating Class Loader"/>
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117 </event>
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118
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119 <event id="ClassUnload" path="vm/class/unload" label="Class Unload"
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120 has_thread="true" is_instant="true">
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121 <value type="CLASS" field="unloadedClass" label="Unloaded Class"/>
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122 <value type="CLASS" field="definingClassLoader" label="Defining Class Loader"/>
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123 </event>
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124
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125 <struct id="VirtualSpace">
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126 <value type="ADDRESS" field="start" label="Start Address" description="Start address of the virtual space" />
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127 <value type="ADDRESS" field="committedEnd" label="Committed End Address" description="End address of the committed memory for the virtual space" />
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128 <value type="BYTES64" field="committedSize" label="Committed Size" description="Size of the committed memory for the virtual space" />
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129 <value type="ADDRESS" field="reservedEnd" label="Reserved End Address" description="End address of the reserved memory for the virtual space" />
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130 <value type="BYTES64" field="reservedSize" label="Reserved Size" description="Size of the reserved memory for the virtual space" />
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131 </struct>
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132
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133 <struct id="ObjectSpace">
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134 <value type="ADDRESS" field="start" label="Start Address" description="Start address of the space" />
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135 <value type="ADDRESS" field="end" label="End Address" description="End address of the space" />
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136 <value type="BYTES64" field="used" label="Used" description="Bytes allocated by objects in the space" />
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137 <value type="BYTES64" field="size" label="Size" description="Size of the space" />
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138 </struct>
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139
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140 <event id="GCHeapSummary" path="vm/gc/heap/summary" label="Heap Summary" is_instant="true">
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141 <value type="UINT" field="gcId" label="GC ID" relation="GC_ID"/>
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142 <value type="GCWHEN" field="when" label="When" />
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143 <structvalue type="VirtualSpace" field="heapSpace" label="Heap Space"/>
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144 <value type="BYTES64" field="heapUsed" label="Heap Used" description="Bytes allocated by objects in the heap"/>
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145 </event>
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146
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147 <struct id="MetaspaceSizes">
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148 <value type="BYTES64" field="capacity" label="Capacity" description="Total available memory to allocate in" />
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149 <value type="BYTES64" field="used" label="Used" description="Bytes allocated by objects in the space" />
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150 <value type="BYTES64" field="reserved" label="Reserved" description="Reserved memory for this space" />
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151 </struct>
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152
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153 <event id="MetaspaceSummary" path="vm/gc/heap/metaspace_summary" label="Metaspace Summary" is_instant="true">
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154 <value type="UINT" field="gcId" label="GC ID" relation="GC_ID"/>
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155 <value type="GCWHEN" field="when" label="When" />
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156 <structvalue type="MetaspaceSizes" field="metaspace" label="Total"/>
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157 <structvalue type="MetaspaceSizes" field="dataSpace" label="Data"/>
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158 <structvalue type="MetaspaceSizes" field="classSpace" label="Class"/>
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159 </event>
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160
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161 <event id="PSHeapSummary" path="vm/gc/heap/ps_summary" label="ParallelScavengeHeap Summary" is_instant="true">
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162 <value type="UINT" field="gcId" label="GC ID" relation="GC_ID"/>
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163 <value type="GCWHEN" field="when" label="When" />
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164
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165 <structvalue type="VirtualSpace" field="oldSpace" label="Old Space"/>
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166 <structvalue type="ObjectSpace" field="oldObjectSpace" label="Old Object Space"/>
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167
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168 <structvalue type="VirtualSpace" field="youngSpace" label="Young Space"/>
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169 <structvalue type="ObjectSpace" field="edenSpace" label="Eden Space"/>
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170 <structvalue type="ObjectSpace" field="fromSpace" label="From Space"/>
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171 <structvalue type="ObjectSpace" field="toSpace" label="To Space"/>
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172 </event>
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173
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174 <event id="GCGarbageCollection" path="vm/gc/collector/garbage_collection" label="Garbage Collection"
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175 description="Garbage collection performed by the JVM">
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176 <value type="UINT" field="gcId" label="GC ID" relation="GC_ID" />
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177 <value type="GCNAME" field="name" label="Name" description="The name of the Garbage Collector" />
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178 <value type="GCCAUSE" field="cause" label="Cause" description="The reason for triggering this Garbage Collection" />
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179 <value type="RELATIVE_TICKS" field="sumOfPauses" label="Sum of Pauses" description="Sum of all the times in which Java execution was paused during the garbage collection" />
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180 <value type="RELATIVE_TICKS" field="longestPause" label="Longest Pause" description="Longest individual pause during the garbage collection" />
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181 </event>
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182
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183 <event id="GCParallelOld" path="vm/gc/collector/parold_garbage_collection" label="Parallel Old Garbage Collection"
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184 description="Extra information specific to Parallel Old Garbage Collections">
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185 <value type="UINT" field="gcId" label="GC ID" relation="GC_ID" />
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186 <value type="ADDRESS" field="densePrefix" label="Dense Prefix" description="The address of the dense prefix, used when compacting" />
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187 </event>
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188
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189 <event id="GCYoungGarbageCollection" path="vm/gc/collector/young_garbage_collection" label="Young Garbage Collection"
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190 description="Extra information specific to Young Garbage Collections">
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191 <value type="UINT" field="gcId" label="GC ID" relation="GC_ID" />
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192 <value type="UINT" field="tenuringThreshold" label="Tenuring Threshold" />
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193 </event>
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194
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195 <event id="GCOldGarbageCollection" path="vm/gc/collector/old_garbage_collection" label="Old Garbage Collection"
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196 description="Extra information specific to Old Garbage Collections">
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197 <value type="UINT" field="gcId" label="GC ID" relation="GC_ID"/>
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198 </event>
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199
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200 <event id="GCG1GarbageCollection" path="vm/gc/collector/g1_garbage_collection" label="G1 Garbage Collection"
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201 description="Extra information specific to G1 Garbage Collections">
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202 <value type="UINT" field="gcId" label="GC ID" relation="GC_ID"/>
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203 <value type="G1YCTYPE" field="type" label="Type" />
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204 </event>
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205
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206 <event id="EvacuationInfo" path="vm/gc/detailed/evacuation_info" label="Evacuation Info" is_instant="true">
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207 <value type="UINT" field="gcId" label="GC ID" relation="GC_ID"/>
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208 <value type="UINT" field="cSetRegions" label="Collection Set Regions"/>
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209 <value type="BYTES64" field="cSetUsedBefore" label="Collection Set Before" description="Memory usage before GC in the collection set regions"/>
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210 <value type="BYTES64" field="cSetUsedAfter" label="Collection Set After" description="Memory usage after GC in the collection set regions"/>
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211 <value type="UINT" field="allocationRegions" label="Allocation Regions" description="Regions chosen as allocation regions during evacuation (includes survivors and old space regions)"/>
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212 <value type="BYTES64" field="allocRegionsUsedBefore" label="Alloc Regions Before" description="Memory usage before GC in allocation regions"/>
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213 <value type="BYTES64" field="allocRegionsUsedAfter" label="Alloc Regions After" description="Memory usage after GC in allocation regions"/>
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214 <value type="BYTES64" field="bytesCopied" label="BytesCopied"/>
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215 <value type="UINT" field="regionsFreed" label="Regions Freed"/>
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216 </event>
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217
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218 <event id="GCReferenceStatistics" path="vm/gc/reference/statistics"
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219 label="GC Reference Statistics" is_instant="true"
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220 description="Total count of processed references during GC">
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221 <value type="UINT" field="gcId" label="GC ID" relation="GC_ID"/>
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222 <value type="REFERENCETYPE" field="type" label="Type" />
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223 <value type="ULONG" field="count" label="Total Count" />
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224 </event>
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225
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226 <struct id="CopyFailed">
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227 <value type="ULONG" field="objectCount" label="Object Count"/>
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228 <value type="BYTES64" field="firstSize" label="First Failed Object Size"/>
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229 <value type="BYTES64" field="smallestSize" label="Smallest Failed Object Size"/>
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230 <value type="BYTES64" field="totalSize" label="Total Object Size"/>
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231 </struct>
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232
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233 <event id="ObjectCountAfterGC" path="vm/gc/detailed/object_count_after_gc" is_instant="true" label="Object Count after GC">
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234 <value type="UINT" field="gcId" label="GC ID" relation="GC_ID" />
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235 <value type="CLASS" field="class" label="Class" />
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236 <value type="LONG" field="count" label="Count" />
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237 <value type="BYTES64" field="totalSize" label="Total Size" />
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238 </event>
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239
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240 <event id="PromotionFailed" path="vm/gc/detailed/promotion_failed" label="Promotion Failed" is_instant="true"
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241 description="Promotion of an object failed">
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242 <value type="UINT" field="gcId" label="GC ID" relation="GC_ID"/>
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243 <structvalue type="CopyFailed" field="data" label="data"/>
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244 <value type="OSTHREAD" field="thread" label="Running thread"/>
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245 </event>
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246
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247 <event id="EvacuationFailed" path="vm/gc/detailed/evacuation_failed" label="Evacuation Failed" is_instant="true"
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248 description="Evacuation of an object failed">
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249 <value type="UINT" field="gcId" label="GC ID" relation="GC_ID"/>
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250 <structvalue type="CopyFailed" field="data" label="data"/>
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251 </event>
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252
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253 <event id="ConcurrentModeFailure" path="vm/gc/detailed/concurrent_mode_failure" label="Concurrent Mode Failure"
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254 is_instant="true" description="Concurrent Mode failed">
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255 <value type="UINT" field="gcId" label="GC ID" relation="GC_ID"/>
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256 </event>
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257
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258 <event id="GCPhasePause" path="vm/gc/phases/pause" label="GC Phase Pause">
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259 <value type="UINT" field="gcId" label="GC ID" relation="GC_ID"/>
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260 <value type="UTF8" field="name" label="Name" />
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261 </event>
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262
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263 <event id="GCPhasePauseLevel1" path="vm/gc/phases/pause_level_1" label="GC Phase Pause Level 1">
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264 <value type="UINT" field="gcId" label="GC ID" relation="GC_ID"/>
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265 <value type="UTF8" field="name" label="Name" />
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266 </event>
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267
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268 <event id="GCPhasePauseLevel2" path="vm/gc/phases/pause_level_2" label="GC Phase Pause Level 2">
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269 <value type="UINT" field="gcId" label="GC ID" relation="GC_ID"/>
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270 <value type="UTF8" field="name" label="Name" />
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271 </event>
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272
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273 <event id="GCPhasePauseLevel3" path="vm/gc/phases/pause_level_3" label="GC Phase Pause Level 3">
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274 <value type="UINT" field="gcId" label="GC ID" relation="GC_ID"/>
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275 <value type="UTF8" field="name" label="Name" />
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276 </event>
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277
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278 <!-- Compiler events -->
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279
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280 <event id="Compilation" path="vm/compiler/compilation" label="Compilation"
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281 has_thread="true" is_requestable="false" is_constant="false">
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282 <value type="METHOD" field="method" label="Java Method"/>
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283 <value type="UINT" field="compileID" label="Compilation ID" relation="COMP_ID"/>
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284 <value type="USHORT" field="compileLevel" label="Compilation Level"/>
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285 <value type="BOOLEAN" field="succeded" label="Succeeded"/>
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286 <value type="BOOLEAN" field="isOsr" label="On Stack Replacement"/>
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287 <value type="BYTES" field="codeSize" label="Compiled Code Size"/>
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288 <value type="BYTES" field="inlinedBytes" label="Inlined Code Size"/>
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289 </event>
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290
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291 <event id="CompilerPhase" path="vm/compiler/phase" label="Compiler Phase"
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292 has_thread="true" is_requestable="false" is_constant="false">
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293 <value type="COMPILERPHASETYPE" field="phase" label="Compile Phase"/>
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294 <value type="UINT" field="compileID" label="Compilation ID" relation="COMP_ID"/>
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295 <value type="USHORT" field="phaseLevel" label="Phase Level"/>
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296 </event>
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297
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298 <event id="CompilerFailure" path="vm/compiler/failure" label="Compilation Failure"
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299 has_thread="true" is_requestable="false" is_constant="false" is_instant="true">
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300 <value type="UTF8" field="failure" label="Message"/>
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301 <value type="UINT" field="compileID" label="Compilation ID" relation="COMP_ID"/>
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302 </event>
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303
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304 <!-- Code sweeper events -->
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305
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306 <event id="SweepCodeCache" path="vm/code_sweeper/sweep" label="Sweep Code Cache"
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307 has_thread="true" is_requestable="false" is_constant="false">
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308 <value type="INTEGER" field="sweepIndex" label="Sweep Index" relation="SWEEP_ID"/>
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309 <value type="USHORT" field="sweepFractionIndex" label="Fraction Index"/>
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310 <value type="UINT" field="sweptCount" label="Methods Swept"/>
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311 <value type="UINT" field="flushedCount" label="Methods Flushed"/>
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312 <value type="UINT" field="markedCount" label="Methods Reclaim"/>
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313 <value type="UINT" field="zombifiedCount" label="Methods Zombified"/>
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314 </event>
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315
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316 <event id="CleanCodeCache" path="vm/code_sweeper/clean" label="Clean Code Cache"
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317 description="Clean code cache from oldest methods"
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318 has_thread="true" is_requestable="false" is_constant="false">
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319 <value type="UINT" field="disconnectedCount" label="Methods Disconnected"/>
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320 <value type="UINT" field="madeNonEntrantCount" label="Methods Made Non-Entrant"/>
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321 </event>
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322
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323 <!-- Code cache events -->
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324
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325 <event id="CodeCacheFull" path="vm/code_cache/full" label="Code Cache Full"
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326 has_thread="true" is_requestable="false" is_constant="false" is_instant="true">
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327 <value type="ADDRESS" field="startAddress" label="Start Address"/>
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328 <value type="ADDRESS" field="commitedTopAddress" label="Commited Top"/>
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329 <value type="ADDRESS" field="reservedTopAddress" label="Reserved Top"/>
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330 <value type="INTEGER" field="entryCount" label="Entries"/>
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331 <value type="INTEGER" field="methodCount" label="Methods"/>
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332 <value type="INTEGER" field="adaptorCount" label="Adaptors"/>
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333 <value type="BYTES64" field="unallocatedCapacity" label="Unallocated"/>
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334 <value type="INTEGER" field="fullCount" label="Full Count"/>
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335 </event>
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336
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337 <event id="ExecuteVMOperation" path="vm/runtime/execute_vm_operation" label="VM Operation"
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338 description="Execution of a VM Operation" has_thread="true">
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339 <value type="VMOPERATIONTYPE" field="operation" label="Operation" />
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340 <value type="BOOLEAN" field="safepoint" label="At Safepoint" description="If the operation occured at a safepoint."/>
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341 <value type="BOOLEAN" field="blocking" label="Caller Blocked" description="If the calling thread was blocked until the operation was complete."/>
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342 <value type="OSTHREAD" field="caller" label="Caller" transition="FROM" description="Thread requesting operation. If non-blocking, will be set to 0 indicating thread is unknown."/>
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343 </event>
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344
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345 <!-- Allocation events -->
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346 <event id="AllocObjectInNewTLAB" path="java/object_alloc_in_new_TLAB" label="Allocation in new TLAB"
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347 description="Allocation in new Thread Local Allocation Buffer" has_thread="true" has_stacktrace="true" is_instant="true">
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348 <value type="CLASS" field="class" label="Class" description="Class of allocated object"/>
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349 <value type="BYTES64" field="allocationSize" label="Allocation Size"/>
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350 <value type="BYTES64" field="tlabSize" label="TLAB Size"/>
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|
351 </event>
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|
352
|
|
353 <event id="AllocObjectOutsideTLAB" path="java/object_alloc_outside_TLAB" label="Allocation outside TLAB"
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354 description="Allocation outside Thread Local Allocation Buffers" has_thread="true" has_stacktrace="true" is_instant="true">
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355 <value type="CLASS" field="class" label="Class" description="Class of allocated object"/>
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|
356 <value type="BYTES64" field="allocationSize" label="Allocation Size"/>
|
|
357 </event>
|
|
358 </events>
|
|
359
|
|
360 <xi:include href="../../../closed/share/vm/trace/traceeventtypes.xml" xmlns:xi="http://www.w3.org/2001/XInclude">
|
|
361 <xi:fallback/>
|
|
362 </xi:include>
|
|
363
|
|
364 <xi:include href="../../../closed/share/vm/trace/traceevents.xml" xmlns:xi="http://www.w3.org/2001/XInclude">
|
|
365 <xi:fallback/>
|
|
366 </xi:include>
|
|
367 </trace>
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