1 <?xml version="1.0" encoding="utf-8"?> 2 3 <!-- 4 Copyright (c) 2012, 2024, Oracle and/or its affiliates. All rights reserved. 5 DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 6 7 This code is free software; you can redistribute it and/or modify it 8 under the terms of the GNU General Public License version 2 only, as 9 published by the Free Software Foundation. 10 11 This code is distributed in the hope that it will be useful, but WITHOUT 12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 version 2 for more details (a copy is included in the LICENSE file that 15 accompanied this code). 16 17 You should have received a copy of the GNU General Public License version 18 2 along with this work; if not, write to the Free Software Foundation, 19 Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 21 Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 or visit www.oracle.com if you need additional information or have any 23 questions. 24 25 --> 26 27 <Metadata> 28 29 <!-- Internal events are only to be used during development, i.e. temporary time measurements, without the need 30 to modify .jfc files etc. Code that commits an internal event should NEVER be checked in. 31 32 Example usage: 33 34 #include "jfr/jfrEvents.hpp" 35 36 void foo() { 37 EventDuration event; 38 bar(); 39 baz(); 40 event.commit(); 41 } 42 43 $ make images 44 $ java -XX:StartFlightRecording:settings=none,filename=dump.jfr ... 45 ... 46 $ jfr print dump.jfr 47 48 Programmatic access: 49 try (var rf = new RecordingFile(Path.of("dump.jfr)) { 50 while (rf.hasMoreEvents()) { 51 RecordedEvent e = rf.readEvent(); 52 System.out.println(e.getName() + " " + e.getDuration())); 53 } 54 }; 55 !--> 56 57 <Event name="Duration" category="Java Virtual Machine, Internal" label="Duration" startTime="true" thread="true" stackTrace="false" internal="true"> 58 </Event> 59 60 <Event name="Instant" category="Java Virtual Machine, Internal" label="Instant" startTime="false" thread="true" stackTrace="false" internal="true"> 61 </Event> 62 63 <Event name="Value" category="Java Virtual Machine, Internal" label="Value" startTime="false" thread="true" stackTrace="false" internal="true"> 64 <Field type="ulong" name="value" label="Value"/> 65 </Event> 66 67 <Event name="Text" category="Java Virtual Machine, Internal" label="Text" startTime="false" thread="true" stackTrace="false" internal="true"> 68 <Field type="string" name="text" label="Text"/> 69 </Event> 70 71 <Event name="ZThreadDebug" category="Java Virtual Machine, GC, Detailed" label="ZGC Thread Event" description="Temporary latency measurements used during development and debugging of ZGC" thread="true" internal="true"> 72 <Field type="uint" name="gcId" label="GC Identifier" relation="GcId"/> 73 <Field type="string" name="name" label="Name" /> 74 </Event> 75 76 <Event name="ResidentSetSize" category="Java Virtual Machine, Memory" label="Resident Set Size" description="Resident set size of the process" thread="false" period="everyChunk"> 77 <Field type="ulong" contentType="bytes" name="size" label="Resident Set Size" description="Resident set size of the process" /> 78 <Field type="ulong" contentType="bytes" name="peak" label="Resident Set Size Peak Value" description="Resident set size peak value of the process" /> 79 </Event> 80 81 <!-- Ordinary and experimental events !--> 82 83 <Event name="ThreadStart" category="Java Application" label="Java Thread Start" thread="true" startTime="false" stackTrace="true"> 84 <Field type="Thread" name="thread" label="New Java Thread" /> 85 <Field type="Thread" name="parentThread" label="Parent Java Thread" /> 86 </Event> 87 88 <Event name="ThreadEnd" category="Java Application" label="Java Thread End" thread="true" startTime="false"> 89 <Field type="Thread" name="thread" label="Java Thread" /> 90 </Event> 91 92 <Event name="ThreadPark" category="Java Application" label="Java Thread Park" thread="true" stackTrace="true"> 93 <Field type="Class" name="parkedClass" label="Class Parked On" /> 94 <Field type="long" contentType="nanos" name="timeout" label="Park Timeout" /> 95 <Field type="long" contentType="epochmillis" name="until" label="Park Until" /> 96 <Field type="ulong" contentType="address" name="address" label="Address of Object Parked" relation="JavaMonitorAddress" /> 97 </Event> 98 99 <Event name="JavaMonitorEnter" category="Java Application" label="Java Monitor Blocked" thread="true" stackTrace="true"> 100 <Field type="Class" name="monitorClass" label="Monitor Class" /> 101 <Field type="Thread" name="previousOwner" label="Previous Monitor Owner" /> 102 <Field type="ulong" contentType="address" name="address" label="Monitor Address" relation="JavaMonitorAddress" /> 103 </Event> 104 105 <Event name="JavaMonitorWait" category="Java Application" label="Java Monitor Wait" description="Waiting on a Java monitor" thread="true" stackTrace="true"> 106 <Field type="Class" name="monitorClass" label="Monitor Class" description="Class of object waited on" /> 107 <Field type="Thread" name="notifier" label="Notifier Thread" description="Notifying Thread" /> 108 <Field type="long" contentType="millis" name="timeout" label="Timeout" description="Maximum wait time" /> 109 <Field type="boolean" name="timedOut" label="Timed Out" description="Wait has been timed out" /> 110 <Field type="ulong" contentType="address" name="address" label="Monitor Address" description="Address of object waited on" relation="JavaMonitorAddress" /> 111 </Event> 112 113 <Event name="JavaMonitorInflate" category="Java Application" label="Java Monitor Inflated" thread="true" stackTrace="true"> 114 <Field type="Class" name="monitorClass" label="Monitor Class" /> 115 <Field type="ulong" contentType="address" name="address" label="Monitor Address" relation="JavaMonitorAddress" /> 116 <Field type="InflateCause" name="cause" label="Monitor Inflation Cause" description="Cause of inflation" /> 117 </Event> 118 119 <Event name="SyncOnValueBasedClass" category="Java Virtual Machine, Diagnostics" label="Value Based Class Synchronization" thread="true" stackTrace="true" startTime="false" experimental="true"> 120 <Field type="Class" name="valueBasedClass" label="Value Based Class" /> 121 </Event> 122 123 <Event name="ContinuationFreeze" experimental="true" category="Java Virtual Machine, Runtime" label="Continuation Yield" description="Invocation of Continuation.yield()" 124 thread="true" stackTrace="true"> 125 <Field type="Thread" name="carrierThread" label="Carrier Thread" description="Thread enlisted as a carrier" /> 126 <Field type="Class" name="continuationClass" label="Continuation Class" /> 127 <Field type="ushort" name="interpretedFrames" label="Interpreted Frames" /> 128 <Field type="ushort" contentType="bytes" name="size" label="Stack Size" /> 129 </Event> 130 131 <Event name="ContinuationThaw" experimental="true" category="Java Virtual Machine, Runtime" label="Continuation Continue" description="Invocation of Continuation.run() on a started continuation" 132 thread="true" stackTrace="true"> 133 <Field type="Thread" name="carrierThread" label="Carrier Thread" description="Thread enlisted as a carrier" /> 134 <Field type="Class" name="continuationClass" label="Continuation Class" /> 135 <Field type="ushort" name="interpretedFrames" label="Interpreted Frames" /> 136 <Field type="ushort" contentType="bytes" name="size" label="Stack Size" /> 137 </Event> 138 139 <Event name="ContinuationFreezeFast" experimental="true" category="Java Virtual Machine, Runtime" label="Continuation Freeze Fast" thread="true" stackTrace="false" startTime="false"> 140 <Field type="ulong" name="id" label="Continuation ID" /> 141 <Field type="uint" name="size" label="Size" /> 142 <Field type="boolean" name="allocate" label="Allocated New" /> 143 </Event> 144 145 <Event name="ContinuationFreezeSlow" experimental="true" category="Java Virtual Machine, Runtime" label="Continuation Freeze Slow" thread="true" stackTrace="false" startTime="false"> 146 <Field type="ulong" name="id" label="Continuation ID" /> 147 </Event> 148 149 <Event name="ContinuationThawFast" experimental="true" category="Java Virtual Machine, Runtime" label="Continuation Thaw Fast" thread="true" stackTrace="false" startTime="false"> 150 <Field type="ulong" name="id" label="Continuation ID" /> 151 <Field type="boolean" name="full" label="Full" /> 152 <Field type="uint" name="size" label="Size" /> 153 </Event> 154 155 <Event name="ContinuationThawSlow" experimental="true" category="Java Virtual Machine, Runtime" label="Continuation Thaw Slow" thread="true" stackTrace="false" startTime="false"> 156 <Field type="ulong" name="id" label="Continuation ID" /> 157 </Event> 158 159 <Event name="VirtualThreadPinned" category="Java Virtual Machine, Runtime" label="Virtual Thread Pinned" thread="true" stackTrace="true" startTime="false"> 160 <Field type="string" name="pinnedReason" label="Pinned Reason" /> 161 <Field type="Thread" name="carrierThread" label="Carrier Thread" /> 162 </Event> 163 164 <Event name="ReservedStackActivation" category="Java Virtual Machine, Runtime" label="Reserved Stack Activation" 165 description="Activation of Reserved Stack Area caused by stack overflow with ReservedStackAccess annotated method in call stack" thread="true" stackTrace="true" 166 startTime="false"> 167 <Field type="Method" name="method" label="Java Method" /> 168 </Event> 169 170 <Event name="ClassLoad" category="Java Virtual Machine, Class Loading" label="Class Load" thread="true" stackTrace="true"> 171 <Field type="Class" name="loadedClass" label="Loaded Class" /> 172 <Field type="ClassLoader" name="definingClassLoader" label="Defining Class Loader" /> 173 <Field type="ClassLoader" name="initiatingClassLoader" label="Initiating Class Loader" /> 174 </Event> 175 176 <Event name="ClassDefine" category="Java Virtual Machine, Class Loading" label="Class Define" thread="true" stackTrace="true" startTime="false"> 177 <Field type="Class" name="definedClass" label="Defined Class" /> 178 <Field type="ClassLoader" name="definingClassLoader" label="Defining Class Loader" /> 179 </Event> 180 181 <Event name="ClassRedefinition" category="Java Virtual Machine, Class Loading" label="Class Redefinition" thread="false" stackTrace="false" startTime="false"> 182 <Field type="Class" name="redefinedClass" label="Redefined Class" /> 183 <Field type="int" name="classModificationCount" label="Class Modification Count" description="The number of times the class has changed"/> 184 <Field type="ulong" name="redefinitionId" label="Class Redefinition Id" relation="ClassRedefinitionId"/> 185 </Event> 186 187 <Event name="RedefineClasses" category="Java Virtual Machine, Class Loading" label="Redefine Classes" thread="true" stackTrace="true"> 188 <Field type="int" name="classCount" label="Class Count" /> 189 <Field type="ulong" name="redefinitionId" label="Class Redefinition Id" relation="ClassRedefinitionId" /> 190 </Event> 191 192 <Event name="RetransformClasses" category="Java Virtual Machine, Class Loading" label="Retransform Classes" thread="true" stackTrace="true"> 193 <Field type="int" name="classCount" label="Class Count"/> 194 <Field type="ulong" name="redefinitionId" label="Class Redefinition Id" relation="ClassRedefinitionId" /> 195 </Event> 196 197 <Event name="ClassUnload" category="Java Virtual Machine, Class Loading" label="Class Unload" thread="true" startTime="false"> 198 <Field type="Class" name="unloadedClass" label="Unloaded Class" /> 199 <Field type="ClassLoader" name="definingClassLoader" label="Defining Class Loader" /> 200 </Event> 201 202 <Event name="IntFlagChanged" category="Java Virtual Machine, Flag" label="Int Flag Changed" startTime="false"> 203 <Field type="string" name="name" label="Name" /> 204 <Field type="int" name="oldValue" label="Old Value" /> 205 <Field type="int" name="newValue" label="New Value" /> 206 <Field type="FlagValueOrigin" name="origin" label="Origin" /> 207 </Event> 208 209 <Event name="UnsignedIntFlagChanged" category="Java Virtual Machine, Flag" label="Unsigned Int Flag Changed" startTime="false"> 210 <Field type="string" name="name" label="Name" /> 211 <Field type="uint" name="oldValue" label="Old Value" /> 212 <Field type="uint" name="newValue" label="New Value" /> 213 <Field type="FlagValueOrigin" name="origin" label="Origin" /> 214 </Event> 215 216 <Event name="LongFlagChanged" category="Java Virtual Machine, Flag" label="Long Flag Changed" startTime="false"> 217 <Field type="string" name="name" label="Name" /> 218 <Field type="long" name="oldValue" label="Old Value" /> 219 <Field type="long" name="newValue" label="New Value" /> 220 <Field type="FlagValueOrigin" name="origin" label="Origin" /> 221 </Event> 222 223 <Event name="UnsignedLongFlagChanged" category="Java Virtual Machine, Flag" label="Unsigned Long Flag Changed" startTime="false"> 224 <Field type="string" name="name" label="Name" /> 225 <Field type="ulong" name="oldValue" label="Old Value" /> 226 <Field type="ulong" name="newValue" label="New Value" /> 227 <Field type="FlagValueOrigin" name="origin" label="Origin" /> 228 </Event> 229 230 <Event name="DoubleFlagChanged" category="Java Virtual Machine, Flag" label="Double Flag Changed" startTime="false"> 231 <Field type="string" name="name" label="Name" /> 232 <Field type="double" name="oldValue" label="Old Value" /> 233 <Field type="double" name="newValue" label="New Value" /> 234 <Field type="FlagValueOrigin" name="origin" label="Origin" /> 235 </Event> 236 237 <Event name="BooleanFlagChanged" category="Java Virtual Machine, Flag" label="Boolean Flag Changed" startTime="false"> 238 <Field type="string" name="name" label="Name" /> 239 <Field type="boolean" name="oldValue" label="Old Value" /> 240 <Field type="boolean" name="newValue" label="New Value" /> 241 <Field type="FlagValueOrigin" name="origin" label="Origin" /> 242 </Event> 243 244 <Event name="StringFlagChanged" category="Java Virtual Machine, Flag" label="String Flag Changed" startTime="false"> 245 <Field type="string" name="name" label="Name" /> 246 <Field type="string" name="oldValue" label="Old Value" /> 247 <Field type="string" name="newValue" label="New Value" /> 248 <Field type="FlagValueOrigin" name="origin" label="Origin" /> 249 </Event> 250 251 <Type name="VirtualSpace"> 252 <Field type="ulong" contentType="address" name="start" label="Start Address" description="Start address of the virtual space" /> 253 <Field type="ulong" contentType="address" name="committedEnd" label="Committed End Address" description="End address of the committed memory for the virtual space" /> 254 <Field type="ulong" contentType="bytes" name="committedSize" label="Committed Size" description="Size of the committed memory for the virtual space" /> 255 <Field type="ulong" contentType="address" name="reservedEnd" label="Reserved End Address" description="End address of the reserved memory for the virtual space" /> 256 <Field type="ulong" contentType="bytes" name="reservedSize" label="Reserved Size" description="Size of the reserved memory for the virtual space" /> 257 </Type> 258 259 <Type name="ObjectSpace"> 260 <Field type="ulong" contentType="address" name="start" label="Start Address" description="Start address of the space" /> 261 <Field type="ulong" contentType="address" name="end" label="End Address" description="End address of the space" /> 262 <Field type="ulong" contentType="bytes" name="used" label="Used" description="Bytes allocated by objects in the space" /> 263 <Field type="ulong" contentType="bytes" name="size" label="Size" description="Size of the space" /> 264 </Type> 265 266 <Event name="GCHeapSummary" category="Java Virtual Machine, GC, Heap" label="Heap Summary" startTime="false"> 267 <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" /> 268 <Field type="GCWhen" name="when" label="When" /> 269 <Field type="VirtualSpace" struct="true" name="heapSpace" label="Heap Space" /> 270 <Field type="ulong" contentType="bytes" name="heapUsed" label="Heap Used" description="Bytes allocated by objects in the heap" /> 271 </Event> 272 273 <Event name="GCHeapMemoryUsage" category="Java Virtual Machine, Heap" label="GC Heap Memory Usage" period="everyChunk"> 274 <Field type="ulong" contentType="bytes" name="used" label="Heap Used" description="Bytes allocated for storing objects on the heap" /> 275 <Field type="ulong" contentType="bytes" name="committed" label="Heap Committed" description="Bytes committed for storing objects on the heap" /> 276 <Field type="ulong" contentType="bytes" name="max" label="Heap Max" description="Max size for the heap" /> 277 </Event> 278 279 <Event name="GCHeapMemoryPoolUsage" category="Java Virtual Machine, Heap" label="GC Heap Memory Pool Usage" period="everyChunk"> 280 <Field type="string" name="name" label="Name" description="GC Heap Memory Pool Name" /> 281 <Field type="ulong" contentType="bytes" name="used" label="GC Heap Memory Pool Used" description="Bytes used for storing objects in this memory pool" /> 282 <Field type="ulong" contentType="bytes" name="committed" label="GC Heap Memory Pool Committed" description="Bytes committed for storing objects in this memory pool" /> 283 <Field type="ulong" contentType="bytes" name="max" label="GC Heap Memory Pool Max" description="Max size for storing objects in this memory pool" /> 284 </Event> 285 286 <Type name="MetaspaceSizes"> 287 <Field type="ulong" contentType="bytes" name="committed" label="Committed" description="Committed memory for this space" /> 288 <Field type="ulong" contentType="bytes" name="used" label="Used" description="Bytes allocated by objects in the space" /> 289 <Field type="ulong" contentType="bytes" name="reserved" label="Reserved" description="Reserved memory for this space" /> 290 </Type> 291 292 <Event name="MetaspaceSummary" category="Java Virtual Machine, GC, Heap" label="Metaspace Summary" startTime="false"> 293 <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" /> 294 <Field type="GCWhen" name="when" label="When" /> 295 <Field type="ulong" contentType="bytes" name="gcThreshold" label="GC Threshold" /> 296 <Field type="MetaspaceSizes" struct="true" name="metaspace" label="Total" /> 297 <Field type="MetaspaceSizes" struct="true" name="dataSpace" label="Data" /> 298 <Field type="MetaspaceSizes" struct="true" name="classSpace" label="Class" /> 299 </Event> 300 301 <Event name="MetaspaceGCThreshold" category="Java Virtual Machine, GC, Metaspace" label="Metaspace GC Threshold" startTime="false"> 302 <Field type="ulong" contentType="bytes" name="oldValue" label="Old Value" /> 303 <Field type="ulong" contentType="bytes" name="newValue" label="New Value" /> 304 <Field type="GCThresholdUpdater" name="updater" label="Updater" /> 305 </Event> 306 307 <Event name="MetaspaceAllocationFailure" category="Java Virtual Machine, GC, Metaspace" label="Metaspace Allocation Failure" startTime="false" 308 stackTrace="true"> 309 <Field type="ClassLoader" name="classLoader" label="Class Loader" /> 310 <Field type="boolean" name="hiddenClassLoader" label="Hidden Class Loader" /> 311 <Field type="ulong" contentType="bytes" name="size" label="Size" /> 312 <Field type="MetadataType" name="metadataType" label="Metadata Type" /> 313 <Field type="MetaspaceObjectType" name="metaspaceObjectType" label="Metaspace Object Type" /> 314 </Event> 315 316 <Event name="MetaspaceOOM" category="Java Virtual Machine, GC, Metaspace" label="Metaspace Out of Memory" startTime="false" stackTrace="true"> 317 <Field type="ClassLoader" name="classLoader" label="Class Loader" /> 318 <Field type="boolean" name="hiddenClassLoader" label="Hidden Class Loader" /> 319 <Field type="ulong" contentType="bytes" name="size" label="Size" /> 320 <Field type="MetadataType" name="metadataType" label="Metadata Type" /> 321 <Field type="MetaspaceObjectType" name="metaspaceObjectType" label="Metaspace Object Type" /> 322 </Event> 323 324 <Event name="MetaspaceChunkFreeListSummary" category="Java Virtual Machine, GC, Metaspace" label="Metaspace Chunk Free List Summary" startTime="false"> 325 <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" /> 326 <Field type="GCWhen" name="when" label="When" /> 327 <Field type="MetadataType" name="metadataType" label="Metadata Type" /> 328 <Field type="ulong" name="specializedChunks" label="Specialized Chunks" /> 329 <Field type="ulong" contentType="bytes" name="specializedChunksTotalSize" label="Specialized Chunks Total Size" /> 330 <Field type="ulong" name="smallChunks" label="Small Chunks" /> 331 <Field type="ulong" contentType="bytes" name="smallChunksTotalSize" label="Small Chunks Total Size" /> 332 <Field type="ulong" name="mediumChunks" label="Medium Chunks" /> 333 <Field type="ulong" contentType="bytes" name="mediumChunksTotalSize" label="Medium Chunks Total Size" /> 334 <Field type="ulong" name="humongousChunks" label="Humongous Chunks" /> 335 <Field type="ulong" contentType="bytes" name="humongousChunksTotalSize" label="Humongous Chunks Total Size" /> 336 </Event> 337 338 <Event name="PSHeapSummary" category="Java Virtual Machine, GC, Heap" label="Parallel Scavenge Heap Summary" startTime="false"> 339 <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" /> 340 <Field type="GCWhen" name="when" label="When" /> 341 <Field type="VirtualSpace" struct="true" name="oldSpace" label="Old Space" /> 342 <Field type="ObjectSpace" struct="true" name="oldObjectSpace" label="Old Object Space" /> 343 <Field type="VirtualSpace" struct="true" name="youngSpace" label="Young Space" /> 344 <Field type="ObjectSpace" struct="true" name="edenSpace" label="Eden Space" /> 345 <Field type="ObjectSpace" struct="true" name="fromSpace" label="From Space" /> 346 <Field type="ObjectSpace" struct="true" name="toSpace" label="To Space" /> 347 </Event> 348 349 <Event name="G1HeapSummary" category="Java Virtual Machine, GC, Heap" label="G1 Heap Summary" startTime="false"> 350 <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" /> 351 <Field type="GCWhen" name="when" label="When" /> 352 <Field type="ulong" contentType="bytes" name="edenUsedSize" label="Eden Used Size" /> 353 <Field type="ulong" contentType="bytes" name="edenTotalSize" label="Eden Total Size" /> 354 <Field type="ulong" contentType="bytes" name="survivorUsedSize" label="Survivor Used Size" /> 355 <Field type="ulong" contentType="bytes" name="oldGenUsedSize" label="Old Generation Used Size" /> 356 <Field type="uint" name="numberOfRegions" label="Number of Regions" /> 357 </Event> 358 359 <Event name="GarbageCollection" category="Java Virtual Machine, GC, Collector" label="Garbage Collection" description="Garbage collection performed by the JVM" thread="true"> 360 <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" /> 361 <Field type="GCName" name="name" label="Name" description="The name of the Garbage Collector" /> 362 <Field type="GCCause" name="cause" label="Cause" description="The reason for triggering this Garbage Collection" /> 363 <Field type="Tickspan" name="sumOfPauses" label="Sum of Pauses" description="Sum of all the times in which Java execution was paused during the garbage collection" /> 364 <Field type="Tickspan" name="longestPause" label="Longest Pause" description="Longest individual pause during the garbage collection" /> 365 </Event> 366 367 <Event name="SystemGC" category="Java Virtual Machine, GC, Collector" label="System GC" stackTrace="true" startTime="true" thread="true"> 368 <Field type="boolean" name="invokedConcurrent" label="Invoked Concurrent" /> 369 </Event> 370 371 <Event name="ParallelOldGarbageCollection" category="Java Virtual Machine, GC, Collector" label="Parallel Old Garbage Collection" 372 description="Extra information specific to Parallel Old Garbage Collections"> 373 <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" /> 374 <Field type="ulong" contentType="address" name="densePrefix" label="Dense Prefix" description="The address of the dense prefix, used when compacting" /> 375 </Event> 376 377 <Event name="YoungGarbageCollection" category="Java Virtual Machine, GC, Collector" label="Young Garbage Collection" description="Extra information specific to Young Garbage Collections"> 378 <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" /> 379 <Field type="uint" name="tenuringThreshold" label="Tenuring Threshold" /> 380 </Event> 381 382 <Event name="OldGarbageCollection" category="Java Virtual Machine, GC, Collector" label="Old Garbage Collection" description="Extra information specific to Old Garbage Collections"> 383 <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" /> 384 </Event> 385 386 <Event name="G1GarbageCollection" category="Java Virtual Machine, GC, Collector" label="G1 Young Garbage Collection" description="Extra information specific to G1 Young Garbage Collections"> 387 <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" /> 388 <Field type="G1YCType" name="type" label="Type"/> 389 </Event> 390 391 <Event name="G1MMU" category="Java Virtual Machine, GC, Detailed" label="G1 MMU Information" startTime="false"> 392 <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" /> 393 <Field type="long" contentType="millis" name="timeSlice" label="Time Slice" description="Time slice used to calculate MMU" /> 394 <Field type="long" contentType="millis" name="gcTime" label="GC Time" description="Time stopped because of GC during last time slice" /> 395 <Field type="long" contentType="millis" name="pauseTarget" label="Pause Target" description="Max time allowed to be spent on GC during last time slice" /> 396 </Event> 397 398 <Event name="EvacuationInformation" category="Java Virtual Machine, GC, Detailed" label="Evacuation Information" startTime="false"> 399 <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" /> 400 <Field type="uint" name="cSetRegions" label="Collection Set Regions" /> 401 <Field type="ulong" contentType="bytes" name="cSetUsedBefore" label="Collection Set Before" description="Memory usage before GC in the collection set regions" /> 402 <Field type="ulong" contentType="bytes" name="cSetUsedAfter" label="Collection Set After" description="Memory usage after GC in the collection set regions" /> 403 <Field type="uint" name="allocationRegions" label="Allocation Regions" description="Regions chosen as allocation regions during evacuation (includes survivors and old space regions)" /> 404 <Field type="ulong" contentType="bytes" name="allocationRegionsUsedBefore" label="Allocation Regions Before" description="Memory usage before GC in allocation regions" /> 405 <Field type="ulong" contentType="bytes" name="allocationRegionsUsedAfter" label="Allocation Regions After" description="Memory usage after GC in allocation regions" /> 406 <Field type="ulong" contentType="bytes" name="bytesCopied" label="Bytes Copied" /> 407 <Field type="uint" name="regionsFreed" label="Regions Freed" /> 408 </Event> 409 410 <Event name="GCReferenceStatistics" category="Java Virtual Machine, GC, Reference" label="GC Reference Statistics" startTime="false" 411 description="Total count of processed references during GC"> 412 <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" /> 413 <Field type="ReferenceType" name="type" label="Type" /> 414 <Field type="ulong" name="count" label="Total Count" /> 415 </Event> 416 417 <Type name="CopyFailed"> 418 <Field type="ulong" name="objectCount" label="Object Count" /> 419 <Field type="ulong" contentType="bytes" name="firstSize" label="First Failed Object Size" /> 420 <Field type="ulong" contentType="bytes" name="smallestSize" label="Smallest Failed Object Size" /> 421 <Field type="ulong" contentType="bytes" name="totalSize" label="Total Object Size" /> 422 </Type> 423 424 <Event name="ObjectCountAfterGC" category="Java Virtual Machine, GC, Detailed" startTime="false" label="Object Count after GC"> 425 <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" /> 426 <Field type="Class" name="objectClass" label="Object Class" /> 427 <Field type="long" name="count" label="Count" /> 428 <Field type="ulong" contentType="bytes" name="totalSize" label="Total Size" /> 429 </Event> 430 431 <Type name="G1EvacuationStatistics"> 432 <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" /> 433 <Field type="ulong" contentType="bytes" name="allocated" label="Allocated" description="Total memory allocated by PLABs" /> 434 <Field type="ulong" contentType="bytes" name="wasted" label="Wasted" description="Total memory wasted within PLABs due to alignment or refill" /> 435 <Field type="ulong" contentType="bytes" name="used" label="Used" description="Total memory occupied by objects within PLABs" /> 436 <Field type="ulong" contentType="bytes" name="undoWaste" label="Undo Wasted" description="Total memory wasted due to allocation undo within PLABs" /> 437 <Field type="ulong" contentType="bytes" name="regionEndWaste" label="Region End Wasted" description="Total memory wasted at the end of regions due to refill" /> 438 <Field type="uint" name="regionsRefilled" label="Region Refills" description="Number of regions refilled" /> 439 <Field type="ulong" name="numPlabsFilled" label="PLAB Fills" description="Number of PLABs filled" /> 440 <Field type="ulong" contentType="bytes" name="directAllocated" label="Allocated (direct)" description="Total memory allocated using direct allocation outside of PLABs" /> 441 <Field type="ulong" name="numDirectAllocated" label="Direct allocations" description="Number of direct allocations" /> 442 <Field type="ulong" contentType="bytes" name="failureUsed" label="Used (failure)" description="Total memory occupied by objects in regions where evacuation failed" /> 443 <Field type="ulong" contentType="bytes" name="failureWaste" label="Wasted (failure)" description="Total memory left unused in regions where evacuation failed" /> 444 </Type> 445 446 <Event name="G1EvacuationYoungStatistics" category="Java Virtual Machine, GC, Detailed" label="G1 Evacuation Statistics for Young" startTime="false" 447 description="Memory related evacuation statistics during GC for the young generation"> 448 <Field type="G1EvacuationStatistics" struct="true" name="statistics" label="Evacuation Statistics" /> 449 </Event> 450 451 <Event name="G1EvacuationOldStatistics" category="Java Virtual Machine, GC, Detailed" label="G1 Evacuation Memory Statistics for Old" startTime="false" 452 description="Memory related evacuation statistics during GC for the old generation"> 453 <Field type="G1EvacuationStatistics" struct="true" name="statistics" label="Evacuation Statistics" /> 454 </Event> 455 456 <Event name="G1BasicIHOP" category="Java Virtual Machine, GC, Detailed" label="G1 Basic IHOP Statistics" startTime="false" 457 description="Basic statistics related to current IHOP calculation"> 458 <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" /> 459 <Field type="ulong" contentType="bytes" name="threshold" label="Current IHOP Threshold" description="Current IHOP threshold" /> 460 <Field type="float" contentType="percentage" name="thresholdPercentage" label="Current IHOP Threshold" description="Current IHOP threshold in percent of old generation" /> 461 <Field type="ulong" contentType="bytes" name="targetOccupancy" label="Target Occupancy" description="Target old generation occupancy to reach at the start of mixed GC" /> 462 <Field type="ulong" contentType="bytes" name="currentOccupancy" label="Current Occupancy" description="Current old generation occupancy" /> 463 <Field type="ulong" contentType="bytes" name="recentMutatorAllocationSize" label="Recent Mutator Allocation Size" 464 description="Mutator allocation during mutator operation in the most recent interval" /> 465 <Field type="long" contentType="millis" name="recentMutatorDuration" label="Recent Mutator Duration" description="Time the mutator ran in the most recent interval" /> 466 <Field type="double" contentType="bytes-per-second" name="recentAllocationRate" label="Recent Allocation Rate" description="Allocation rate of the mutator in the most recent interval in bytes/second" /> 467 <Field type="long" contentType="millis" name="lastMarkingDuration" label="Last Marking Duration" description="Last time from the end of the last concurrent start to the first mixed GC" /> 468 </Event> 469 470 <Event name="G1AdaptiveIHOP" category="Java Virtual Machine, GC, Detailed" label="G1 Adaptive IHOP Statistics" startTime="false" 471 description="Statistics related to current adaptive IHOP calculation"> 472 <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" /> 473 <Field type="ulong" contentType="bytes" name="threshold" label="Threshold" description="Current IHOP Threshold" /> 474 <Field type="float" contentType="percentage" name="thresholdPercentage" label="Threshold" description="Current IHOP threshold in percent of the internal target occupancy" /> 475 <Field type="ulong" contentType="bytes" name="ihopTargetOccupancy" label="IHOP Target Occupancy" description="Internal target old generation occupancy to reach at the start of mixed GC" /> 476 <Field type="ulong" contentType="bytes" name="currentOccupancy" label="Current Occupancy" description="Current old generation occupancy" /> 477 <Field type="ulong" contentType="bytes" name="additionalBufferSize" label="Additional Buffer" description="Additional buffer size" experimental="true" /> 478 <Field type="double" contentType="bytes-per-second" name="predictedAllocationRate" label="Predicted Allocation Rate" description="Current predicted allocation rate for the mutator in bytes/second" /> 479 <Field type="long" contentType="millis" name="predictedMarkingDuration" label="Predicted Marking Duration" 480 description="Current predicted time from the end of the last concurrent start to the first mixed GC" /> 481 <Field type="boolean" name="predictionActive" label="Prediction Active" description="Indicates whether the adaptive IHOP prediction is active" /> 482 </Event> 483 484 <Event name="PromoteObjectInNewPLAB" category="Java Virtual Machine, GC, Detailed" label="Promotion in new PLAB" 485 description="Object survived scavenge and was copied to a new Promotion Local Allocation Buffer (PLAB). Supported GCs are Parallel Scavenge, G1 and CMS with Parallel New. Due to promotion being done in parallel an object might be reported multiple times as the GC threads race to copy all objects." 486 thread="true" stackTrace="false" startTime="false"> 487 <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" description="Identifier signifying GC during which the object was promoted" /> 488 <Field type="Class" name="objectClass" label="Object Class" description="Class of promoted object" /> 489 <Field type="ulong" contentType="bytes" name="objectSize" label="Object Size" description="Size of promoted object" /> 490 <Field type="uint" name="tenuringAge" label="Object Tenuring Age" 491 description="Tenuring age of a surviving object before being copied. The tenuring age of an object is a value between 0-15 and is incremented each scavenge the object survives. Newly allocated objects have tenuring age 0." /> 492 <Field type="boolean" name="tenured" label="Tenured" description="True if object was promoted to Old space, otherwise the object was aged and copied to a Survivor space" /> 493 <Field type="ulong" contentType="bytes" name="plabSize" label="PLAB Size" description="Size of the allocated PLAB to which the object was copied" /> 494 </Event> 495 496 <Event name="PromoteObjectOutsidePLAB" category="Java Virtual Machine, GC, Detailed" label="Promotion outside PLAB" 497 description="Object survived scavenge and was copied directly to the heap. Supported GCs are Parallel Scavenge, G1 and CMS with Parallel New. Due to promotion being done in parallel an object might be reported multiple times as the GC threads race to copy all objects." 498 thread="true" stackTrace="false" startTime="false"> 499 <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" description="Identifier signifying GC during which the object was promoted" /> 500 <Field type="Class" name="objectClass" label="Object Class" description="Class of promoted object" /> 501 <Field type="ulong" contentType="bytes" name="objectSize" label="Object Size" description="Size of promoted object" /> 502 <Field type="uint" name="tenuringAge" label="Object Tenuring Age" 503 description="Tenuring age of a surviving object before being copied. The tenuring age of an object is a value between 0-15 and is incremented each scavenge the object survives. Newly allocated objects have tenuring age 0." /> 504 <Field type="boolean" name="tenured" label="Tenured" description="True if object was promoted to Old space, otherwise the object was aged and copied to a Survivor space" /> 505 </Event> 506 507 <Event name="PromotionFailed" category="Java Virtual Machine, GC, Detailed" label="Promotion Failed" startTime="false" description="Promotion of an object failed"> 508 <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" /> 509 <Field type="CopyFailed" struct="true" name="promotionFailed" label="Promotion Failed Data" /> 510 <Field type="Thread" name="thread" label="Running thread" /> 511 </Event> 512 513 <Event name="EvacuationFailed" category="Java Virtual Machine, GC, Detailed" label="Evacuation Failed" startTime="false" description="Evacuation of an object failed"> 514 <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" /> 515 <Field type="CopyFailed" struct="true" name="evacuationFailed" label="Evacuation Failed Data" /> 516 </Event> 517 518 <Event name="ConcurrentModeFailure" category="Java Virtual Machine, GC, Detailed" label="Concurrent Mode Failure" startTime="false" description="Concurrent Mode failed"> 519 <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" /> 520 </Event> 521 522 <Event name="GCCPUTime" category="Java Virtual Machine, GC, Detailed" label="GC CPU Time" description="GC CPU Time information. Supported: G1GC, ParallelGC and SerialGC" 523 stackTrace="false" startTime="false"> 524 <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" /> 525 <Field type="ulong" contentType="nanos" name="userTime" label="User Time" /> 526 <Field type="ulong" contentType="nanos" name="systemTime" label="System Time" /> 527 <Field type="ulong" contentType="nanos" name="realTime" label="Real Time" /> 528 </Event> 529 530 <Event name="GCPhasePause" category="Java Virtual Machine, GC, Phases" label="GC Phase Pause" thread="true"> 531 <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" /> 532 <Field type="string" name="name" label="Name" /> 533 </Event> 534 535 <Event name="GCPhasePauseLevel1" category="Java Virtual Machine, GC, Phases" label="GC Phase Pause Level 1" thread="true"> 536 <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" /> 537 <Field type="string" name="name" label="Name" /> 538 </Event> 539 540 <Event name="GCPhasePauseLevel2" category="Java Virtual Machine, GC, Phases" label="GC Phase Pause Level 2" thread="true"> 541 <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" /> 542 <Field type="string" name="name" label="Name" /> 543 </Event> 544 545 <Event name="GCPhasePauseLevel3" category="Java Virtual Machine, GC, Phases" label="GC Phase Pause Level 3" thread="true"> 546 <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" /> 547 <Field type="string" name="name" label="Name" /> 548 </Event> 549 550 <Event name="GCPhasePauseLevel4" category="Java Virtual Machine, GC, Phases" label="GC Phase Pause Level 4" thread="true"> 551 <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" /> 552 <Field type="string" name="name" label="Name" /> 553 </Event> 554 555 <Event name="GCPhaseConcurrent" category="Java Virtual Machine, GC, Phases" label="GC Phase Concurrent" thread="true"> 556 <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" /> 557 <Field type="string" name="name" label="Name" /> 558 </Event> 559 560 <Event name="GCPhaseConcurrentLevel1" category="Java Virtual Machine, GC, Phases" label="GC Phase Concurrent Level 1" thread="true"> 561 <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" /> 562 <Field type="string" name="name" label="Name" /> 563 </Event> 564 565 <Event name="GCPhaseConcurrentLevel2" category="Java Virtual Machine, GC, Phases" label="GC Phase Concurrent Level 2" thread="true"> 566 <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" /> 567 <Field type="string" name="name" label="Name" /> 568 </Event> 569 570 <Event name="GCPhaseParallel" category="Java Virtual Machine, GC, Phases" label="GC Phase Parallel" 571 startTime="true" thread="true" description="GC phases for parallel workers"> 572 <Field type="uint" name="gcId" label="GC Identifier" relation="GcId"/> 573 <Field type="uint" name="gcWorkerId" label="GC Worker Identifier" /> 574 <Field type="string" name="name" label="Name" /> 575 </Event> 576 577 <Event name="AllocationRequiringGC" category="Java Virtual Machine, GC, Detailed" label="Allocation Requiring GC" thread="true" stackTrace="true" 578 startTime="false"> 579 <Field type="uint" name="gcId" label="Pending GC Identifier" relation="GcId" /> 580 <Field type="ulong" contentType="bytes" name="size" label="Allocation Size" /> 581 </Event> 582 583 <Event name="TenuringDistribution" category="Java Virtual Machine, GC, Detailed" label="Tenuring Distribution" startTime="false"> 584 <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" /> 585 <Field type="uint" name="age" label="Age" /> 586 <Field type="ulong" contentType="bytes" name="size" label="Size" /> 587 </Event> 588 589 <Event name="G1HeapRegionTypeChange" category="Java Virtual Machine, GC, Detailed" label="G1 Heap Region Type Change" description="Information about a G1 heap region type change" 590 startTime="false"> 591 <Field type="uint" name="index" label="Index" /> 592 <Field type="G1HeapRegionType" name="from" label="From" /> 593 <Field type="G1HeapRegionType" name="to" label="To" /> 594 <Field type="ulong" contentType="address" name="start" label="Start" /> 595 <Field type="ulong" contentType="bytes" name="used" label="Used" /> 596 </Event> 597 598 <Event name="JITRestart" category="Java Virtual Machine, Compiler" label="JIT Restart" 599 description="Restart of the JIT compilers after they were stopped" 600 stackTrace="false" startTime="false" thread="true"> 601 <Field type="ulong" contentType="bytes" name="freedMemory" label="Freed Memory" /> 602 <Field type="ulong" contentType="bytes" name="codeCacheMaxCapacity" label="Code Cache Maximum Capacity" /> 603 </Event> 604 605 <Event name="Compilation" category="Java Virtual Machine, Compiler" label="Compilation" 606 description="Results of method compilation attempts" 607 thread="true"> 608 <Field type="int" name="compileId" label="Compilation Identifier" relation="CompileId" /> 609 <Field type="CompilerType" name="compiler" label="Compiler" /> 610 <Field type="Method" name="method" label="Method" /> 611 <Field type="ushort" name="compileLevel" label="Compilation Level" /> 612 <Field type="boolean" name="succeded" label="Succeeded" /> 613 <Field type="boolean" name="isOsr" label="On Stack Replacement" /> 614 <Field type="ulong" contentType="bytes" name="codeSize" label="Compiled Code Size" /> 615 <Field type="ulong" contentType="bytes" name="inlinedBytes" label="Inlined Code Size" /> 616 <Field type="ulong" contentType="bytes" name="arenaBytes" label="Arena Usage" /> 617 </Event> 618 619 <Event name="CompilerPhase" category="Java Virtual Machine, Compiler" label="Compiler Phase" 620 description="Describes various phases of the compilation process like inlining or string optimization related phases" 621 thread="true"> 622 <Field type="CompilerPhaseType" name="phase" label="Compile Phase" /> 623 <Field type="int" name="compileId" label="Compilation Identifier" relation="CompileId" /> 624 <Field type="ushort" name="phaseLevel" label="Phase Level" /> 625 </Event> 626 627 <Event name="CompilationFailure" category="Java Virtual Machine, Compiler" label="Compilation Failure" 628 description="In case a JIT compilation failed, a compilation failure is triggered, reporting the reason" 629 thread="true" startTime="false"> 630 <Field type="string" name="failureMessage" label="Failure Message" /> 631 <Field type="int" name="compileId" label="Compilation Identifier" relation="CompileId" /> 632 </Event> 633 634 <Type name="CalleeMethod"> 635 <Field type="string" name="type" label="Class" /> 636 <Field type="string" name="name" label="Method Name" /> 637 <Field type="string" name="descriptor" label="Method Descriptor" /> 638 </Type> 639 640 <Event name="CompilerInlining" category="Java Virtual Machine, Compiler, Optimization" label="Method Inlining" 641 description="Describes the result of a method inlining attempt" 642 thread="true" startTime="false"> 643 <Field type="int" name="compileId" label="Compilation Identifier" relation="CompileId" /> 644 <Field type="Method" name="caller" label="Caller Method" /> 645 <Field type="CalleeMethod" name="callee" struct="true" label="Callee Method" /> 646 <Field type="boolean" name="succeeded" label="Succeeded" /> 647 <Field type="string" name="message" label="Message" /> 648 <Field type="int" name="bci" label="Bytecode Index" /> 649 </Event> 650 651 <Event name="CodeCacheFull" category="Java Virtual Machine, Code Cache" label="Code Cache Full" 652 description="A code heap is full, this leads to disabling the compiler" 653 thread="true" startTime="false"> 654 <Field type="CodeBlobType" name="codeBlobType" label="Code Heap" /> 655 <Field type="ulong" contentType="address" name="startAddress" label="Start Address" /> 656 <Field type="ulong" contentType="address" name="commitedTopAddress" label="Commited Top" /> 657 <Field type="ulong" contentType="address" name="reservedTopAddress" label="Reserved Top" /> 658 <Field type="int" name="entryCount" label="Entries" /> 659 <Field type="int" name="methodCount" label="Methods" /> 660 <Field type="int" name="adaptorCount" label="Adaptors" /> 661 <Field type="ulong" contentType="bytes" name="unallocatedCapacity" label="Unallocated" /> 662 <Field type="int" name="fullCount" label="Full Count" /> 663 <Field type="ulong" contentType="bytes" name="codeCacheMaxCapacity" label="Code Cache Maximum Capacity" /> 664 </Event> 665 666 <Event name="Deoptimization" category="Java Virtual Machine, Compiler" label="Deoptimization" 667 description="Describes the detection of an uncommon situation in a compiled method which may lead to deoptimization of the method" 668 thread="true" stackTrace="true" startTime="false"> 669 <Field type="int" name="compileId" label="Compilation Identifier" relation="CompileId" /> 670 <Field type="CompilerType" name="compiler" label="Compiler" /> 671 <Field type="Method" name="method" label="Method" /> 672 <Field type="int" name="lineNumber" label="Line Number" /> 673 <Field type="int" name="bci" label="Bytecode Index" /> 674 <Field type="Bytecode" name="instruction" label="Instruction" /> 675 <Field type="DeoptimizationReason" name="reason" label="Reason"/> 676 <Field type="DeoptimizationAction" name="action" label="Action"/> 677 </Event> 678 679 <Event name="SafepointBegin" category="Java Virtual Machine, Runtime, Safepoint" label="Safepoint Begin" description="Safepointing begin" thread="true"> 680 <Field type="ulong" name="safepointId" label="Safepoint Identifier" relation="SafepointId" /> 681 <Field type="int" name="totalThreadCount" label="Total Threads" description="The total number of threads at the start of safe point" /> 682 <Field type="int" name="jniCriticalThreadCount" label="JNI Critical Threads" description="The number of threads in JNI critical sections" /> 683 </Event> 684 685 <Event name="SafepointStateSynchronization" category="Java Virtual Machine, Runtime, Safepoint" label="Safepoint State Synchronization" description="Synchronize run state of threads" 686 thread="true"> 687 <Field type="ulong" name="safepointId" label="Safepoint Identifier" relation="SafepointId" /> 688 <Field type="int" name="initialThreadCount" label="Initial Threads" description="The number of threads running at the beginning of state check" /> 689 <Field type="int" name="runningThreadCount" label="Running Threads" description="The number of threads still running" /> 690 <Field type="int" name="iterations" label="Iterations" description="Number of state check iterations" /> 691 </Event> 692 693 <Event name="SafepointEnd" category="Java Virtual Machine, Runtime, Safepoint" label="Safepoint End" description="Safepointing end" thread="true"> 694 <Field type="ulong" name="safepointId" label="Safepoint Identifier" relation="SafepointId" /> 695 </Event> 696 697 <Event name="ExecuteVMOperation" category="Java Virtual Machine, Runtime" label="VM Operation" description="Execution of a VM Operation" thread="true"> 698 <Field type="VMOperationType" name="operation" label="Operation" /> 699 <Field type="boolean" name="safepoint" label="At Safepoint" description="If the operation occurred at a safepoint" /> 700 <Field type="boolean" name="blocking" label="Caller Blocked" description="If the calling thread was blocked until the operation was complete" /> 701 <Field type="Thread" name="caller" label="Caller" transition="from" 702 description="Thread requesting operation. If non-blocking, will be set to 0 indicating thread is unknown" /> 703 <Field type="ulong" name="safepointId" label="Safepoint Identifier" description="The safepoint (if any) under which this operation was completed" 704 relation="SafepointId" /> 705 </Event> 706 707 <Event name="Shutdown" category="Java Virtual Machine, Runtime" label="JVM Shutdown" description="JVM shutting down" thread="true" stackTrace="true" 708 startTime="false"> 709 <Field type="string" name="reason" label="Reason" description="Reason for JVM shutdown" /> 710 </Event> 711 712 <Event name="ObjectAllocationInNewTLAB" category="Java Application" label="Allocation in new TLAB" description="Allocation in new Thread Local Allocation Buffer" 713 thread="true" stackTrace="true" startTime="false"> 714 <Field type="Class" name="objectClass" label="Object Class" description="Class of allocated object" /> 715 <Field type="ulong" contentType="bytes" name="allocationSize" label="Allocation Size" /> 716 <Field type="ulong" contentType="bytes" name="tlabSize" label="TLAB Size" /> 717 </Event> 718 719 <Event name="ObjectAllocationOutsideTLAB" category="Java Application" label="Allocation outside TLAB" description="Allocation outside Thread Local Allocation Buffers" 720 thread="true" stackTrace="true" startTime="false"> 721 <Field type="Class" name="objectClass" label="Object Class" description="Class of allocated object" /> 722 <Field type="ulong" contentType="bytes" name="allocationSize" label="Allocation Size" /> 723 </Event> 724 725 <Event name="ObjectAllocationSample" category="Java Application" label="Object Allocation Sample" thread="true" stackTrace="true" startTime="false" throttle="true"> 726 <Field type="Class" name="objectClass" label="Object Class" description="Class of allocated object" /> 727 <Field type="long" contentType="bytes" name="weight" label="Sample Weight" 728 description="The relative weight of the sample. Aggregating the weights for a large number of samples, for a particular class, thread or stack trace, gives a statistically accurate representation of the allocation pressure" /> 729 </Event> 730 731 <Event name="OldObjectSample" category="Java Virtual Machine, Profiling" label="Old Object Sample" description="A potential memory leak" stackTrace="true" thread="true" 732 startTime="false" cutoff="true"> 733 <Field type="Ticks" name="allocationTime" label="Allocation Time" /> 734 <Field type="ulong" contentType="bytes" name="objectSize" label="Object Size" /> 735 <Field type="Tickspan" name="objectAge" label="Object Age" /> 736 <Field type="ulong" contentType="bytes" name="lastKnownHeapUsage" label="Last Known Heap Usage" /> 737 <Field type="OldObject" name="object" label="Object" /> 738 <Field type="int" name="arrayElements" label="Array Elements" description="If the object is an array, the number of elements, or minimum value for the type int if it is not an array" /> 739 <Field type="OldObjectGcRoot" name="root" label="GC Root" /> 740 </Event> 741 742 <Event name="NativeMemoryUsage" category="Java Virtual Machine, Memory" label="Native Memory Usage Per Type" 743 description="Native memory usage for a given memory tag in the JVM" period="everyChunk"> 744 <Field type="NMTType" name="type" label="Memory Type" description="Type used for the native memory allocation" /> 745 <Field type="ulong" contentType="bytes" name="reserved" label="Reserved Memory" description="Reserved bytes for this type" /> 746 <Field type="ulong" contentType="bytes" name="committed" label="Committed Memory" description="Committed bytes for this type" /> 747 </Event> 748 749 <Event name="NativeMemoryUsageTotal" category="Java Virtual Machine, Memory" label="Total Native Memory Usage" 750 description="Total native memory usage for the JVM. Might not be the exact sum of the NativeMemoryUsage events due to timeing." period="everyChunk"> 751 <Field type="ulong" contentType="bytes" name="reserved" label="Reserved Memory" description="Total amount of reserved bytes for the JVM" /> 752 <Field type="ulong" contentType="bytes" name="committed" label="Committed Memory" description="Total amount of committed bytes for the JVM" /> 753 </Event> 754 755 <Event name="DumpReason" category="Flight Recorder" label="Recording Reason" 756 description="Who requested the recording and why" 757 startTime="false"> 758 <Field type="string" name="reason" label="Reason" description="Reason for writing recording data to disk" /> 759 <Field type="int" name="recordingId" label="Recording Id" description="Id of the recording that triggered the dump, or -1 if it was not related to a recording" /> 760 </Event> 761 762 <Event name="DataLoss" category="Flight Recorder" label="Data Loss" 763 description="Data could not be copied out from a buffer, typically because of contention" 764 startTime="false"> 765 <Field type="ulong" contentType="bytes" name="amount" label="Amount" description="Amount lost data" /> 766 <Field type="ulong" contentType="bytes" name="total" label="Total" description="Total lost amount for thread" /> 767 </Event> 768 769 <Event name="JVMInformation" category="Java Virtual Machine" label="JVM Information" 770 description="Description of JVM and the Java application" 771 period="endChunk"> 772 <Field type="string" name="jvmName" label="JVM Name" /> 773 <Field type="string" name="jvmVersion" label="JVM Version" /> 774 <Field type="string" name="jvmArguments" label="JVM Command Line Arguments" /> 775 <Field type="string" name="jvmFlags" label="JVM Settings File Arguments" /> 776 <Field type="string" name="javaArguments" label="Java Application Arguments" /> 777 <Field type="long" contentType="epochmillis" name="jvmStartTime" label="JVM Start Time" /> 778 <Field type="long" name="pid" label="Process Identifier" /> 779 </Event> 780 781 <Event name="OSInformation" category="Operating System" label="OS Information" 782 description="Description of the OS the JVM runs on, for example, a uname-like output" 783 period="endChunk"> 784 <Field type="string" name="osVersion" label="OS Version" /> 785 </Event> 786 787 <Event name="VirtualizationInformation" category="Operating System" label="Virtualization Information" 788 description="Description of the virtualization technology the JVM runs on" 789 period="endChunk"> 790 <Field type="string" name="name" label="Name" /> 791 </Event> 792 793 <Event name="InitialSystemProperty" category="Java Virtual Machine" label="Initial System Property" description="System Property at JVM start" period="endChunk"> 794 <Field type="string" name="key" label="Key" /> 795 <Field type="string" name="value" label="Value" /> 796 </Event> 797 798 <Event name="InitialEnvironmentVariable" category="Operating System" label="Initial Environment Variable" 799 description="Key-value pairs for environment variables at JVM startup" 800 period="endChunk"> 801 <Field type="string" name="key" label="Key" /> 802 <Field type="string" name="value" label="Value" /> 803 </Event> 804 805 <Event name="SystemProcess" category="Operating System" label="System Process" period="endChunk"> 806 <Field type="string" name="pid" label="Process Identifier" /> 807 <Field type="string" name="commandLine" label="Command Line" /> 808 </Event> 809 810 <Event name="CPUInformation" category="Operating System, Processor" label="CPU Information" 811 description="Characteristics and descriptions of the processor(s) the JVM is running on" 812 period="endChunk"> 813 <Field type="string" name="cpu" label="Type" /> 814 <Field type="string" name="description" label="Description" /> 815 <Field type="uint" name="sockets" label="Sockets" /> 816 <Field type="uint" name="cores" label="Cores" /> 817 <Field type="uint" name="hwThreads" label="Hardware Threads" /> 818 </Event> 819 820 <Event name="CPUTimeStampCounter" category="Operating System, Processor" label="CPU Time Stamp Counter" 821 description="Information about the CPU time stamp mechanism / (RD)TSC" 822 period="endChunk"> 823 <Field type="boolean" name="fastTimeEnabled" label="Fast Time" /> 824 <Field type="boolean" name="fastTimeAutoEnabled" label="Trusted Platform" /> 825 <Field type="long" contentType="hertz" name="osFrequency" label="OS Frequency" /> 826 <Field type="long" contentType="hertz" name="fastTimeFrequency" label="Fast Time Frequency" /> 827 </Event> 828 829 <Event name="CPULoad" category="Operating System, Processor" label="CPU Load" 830 description="Information about the recent CPU usage of the JVM process" 831 period="everyChunk"> 832 <Field type="float" contentType="percentage" name="jvmUser" label="JVM User" /> 833 <Field type="float" contentType="percentage" name="jvmSystem" label="JVM System" /> 834 <Field type="float" contentType="percentage" name="machineTotal" label="Machine Total" /> 835 </Event> 836 837 <Event name="ThreadCPULoad" category="Operating System, Processor" label="Thread CPU Load" period="everyChunk" thread="true"> 838 <Field type="float" contentType="percentage" name="user" label="User Mode CPU Load" description="User mode thread CPU load" /> 839 <Field type="float" contentType="percentage" name="system" label="System Mode CPU Load" description="System mode thread CPU load" /> 840 </Event> 841 842 <Event name="ThreadContextSwitchRate" category="Operating System, Processor" label="Thread Context Switch Rate" period="everyChunk"> 843 <Field type="float" contentType="hertz" name="switchRate" label="Switch Rate" description="Number of context switches per second" /> 844 </Event> 845 846 <Event name="CompilerQueueUtilization" category="Java Virtual Machine, Compiler" label="Compiler Queue Utilization" period="everyChunk"> 847 <Field type="CompilerType" name="compiler" label="Compiler" /> 848 <Field type="long" contentType="hertz" name="addedRate" label="Requets Added Rate" description="Requests added per second"/> 849 <Field type="long" contentType="hertz" name="removedRate" label="Requests Removed Rate" description="Requests removed per second"/> 850 <Field type="long" name="queueSize" label="Queue Size"/> 851 <Field type="long" name="peakQueueSize" label="Peak Queue Size"/> 852 <Field type="long" name="addedCount" label="Requests Added"/> 853 <Field type="long" name="removedCount" label="Requests Removed"/> 854 <Field type="long" name="totalAddedCount" label="Total Requests Added"/> 855 <Field type="long" name="totalRemovedCount" label="Total Requests Removed"/> 856 <Field type="int" name="compilerThreadCount" label="Compiler Thread Count"/> 857 </Event> 858 859 <Event name="NetworkUtilization" category="Operating System, Network" label="Network Utilization" period="everyChunk"> 860 <Field type="NetworkInterfaceName" name="networkInterface" label="Network Interface" description="Network Interface Name"/> 861 <Field type="long" contentType="bits-per-second" name="readRate" label="Read Rate" description="Number of incoming bits per second"/> 862 <Field type="long" contentType="bits-per-second" name="writeRate" label="Write Rate" description="Number of outgoing bits per second"/> 863 </Event> 864 865 <Event name="JavaThreadStatistics" category="Java Application, Statistics" label="Java Thread Statistics" period="everyChunk"> 866 <Field type="long" name="activeCount" label="Active Threads" description="Number of live active threads including both daemon and non-daemon threads" /> 867 <Field type="long" name="daemonCount" label="Daemon Threads" description="Number of live daemon threads" /> 868 <Field type="long" name="accumulatedCount" label="Accumulated Threads" description="Number of threads created and also started since JVM start" /> 869 <Field type="long" name="peakCount" label="Peak Threads" description="Peak live thread count since JVM start or when peak count was reset" /> 870 </Event> 871 872 <Event name="ClassLoadingStatistics" category="Java Application, Statistics" label="Class Loading Statistics" period="everyChunk"> 873 <Field type="long" name="loadedClassCount" label="Loaded Class Count" description="Number of classes loaded since JVM start" /> 874 <Field type="long" name="unloadedClassCount" label="Unloaded Class Count" description="Number of classes unloaded since JVM start" /> 875 </Event> 876 877 <Event name="ClassLoaderStatistics" category="Java Application, Statistics" label="Class Loader Statistics" period="everyChunk"> 878 <Field type="ClassLoader" name="classLoader" label="Class Loader" /> 879 <Field type="ClassLoader" name="parentClassLoader" label="Parent Class Loader" /> 880 <Field type="ulong" contentType="address" name="classLoaderData" label="ClassLoaderData Pointer" description="Pointer to the ClassLoaderData structure in the JVM" /> 881 <Field type="long" name="classCount" label="Classes" description="Number of loaded classes" /> 882 <Field type="ulong" contentType="bytes" name="chunkSize" label="Total Chunk Size" description="Total size of all allocated metaspace chunks (each chunk has several blocks)" /> 883 <Field type="ulong" contentType="bytes" name="blockSize" label="Total Block Size" description="Total size of all allocated metaspace blocks (each chunk has several blocks)" /> 884 <Field type="long" name="hiddenClassCount" label="Hidden Classes" description="Number of hidden classes" /> 885 <Field type="ulong" contentType="bytes" name="hiddenChunkSize" label="Total Hidden Classes Chunk Size" 886 description="Total size of all allocated metaspace chunks for hidden classes (each chunk has several blocks)" /> 887 <Field type="ulong" contentType="bytes" name="hiddenBlockSize" label="Total Hidden Classes Block Size" 888 description="Total size of all allocated metaspace blocks for hidden classes (each chunk has several blocks)" /> 889 </Event> 890 891 <Event name="SymbolTableStatistics" category="Java Virtual Machine, Runtime, Tables" label="Symbol Table Statistics" period="everyChunk"> 892 <Field type="ulong" name="bucketCount" label="Bucket Count" description="Number of buckets" /> 893 <Field type="ulong" name="entryCount" label="Entry Count" description="Number of all entries" /> 894 <Field type="ulong" contentType="bytes" name="totalFootprint" label="Total Footprint" description="Total memory footprint (the table itself plus all of the entries)" /> 895 <Field type="ulong" name="bucketCountMaximum" label="Maximum Bucket Count" description="The maximum bucket length (entries in a single bucket)" /> 896 <Field type="float" name="bucketCountAverage" label="Average Bucket Count" description="The average bucket length" /> 897 <Field type="float" name="bucketCountVariance" label="Bucket Count Variance" description="How far bucket lengths are spread out from their average value" /> 898 <Field type="float" name="bucketCountStandardDeviation" label="Bucket Count Standard Deviation" description="How far bucket lengths are spread out from their mean (expected) value" /> 899 <Field type="float" name="insertionRate" label="Insertion Rate" description="How many items were added since last event (per second)" /> 900 <Field type="float" name="removalRate" label="Removal Rate" description="How many items were removed since last event (per second)" /> 901 </Event> 902 903 <Event name="StringTableStatistics" category="Java Virtual Machine, Runtime, Tables" label="String Table Statistics" period="everyChunk"> 904 <Field type="ulong" name="bucketCount" label="Bucket Count" description="Number of buckets" /> 905 <Field type="ulong" name="entryCount" label="Entry Count" description="Number of all entries" /> 906 <Field type="ulong" contentType="bytes" name="totalFootprint" label="Total Footprint" description="Total memory footprint (the table itself plus all of the entries)" /> 907 <Field type="ulong" name="bucketCountMaximum" label="Maximum Bucket Count" description="The maximum bucket length (entries in a single bucket)" /> 908 <Field type="float" name="bucketCountAverage" label="Average Bucket Count" description="The average bucket length" /> 909 <Field type="float" name="bucketCountVariance" label="Bucket Count Variance" description="How far bucket lengths are spread out from their average value" /> 910 <Field type="float" name="bucketCountStandardDeviation" label="Bucket Count Standard Deviation" description="How far bucket lengths are spread out from their mean (expected) value" /> 911 <Field type="float" name="insertionRate" label="Insertion Rate" description="How many items were added since last event (per second)" /> 912 <Field type="float" name="removalRate" label="Removal Rate" description="How many items were removed since last event (per second)" /> 913 </Event> 914 915 <Event name="ThreadAllocationStatistics" category="Java Application, Statistics" label="Thread Allocation Statistics" period="everyChunk"> 916 <Field type="ulong" contentType="bytes" name="allocated" label="Allocated" description="Approximate number of bytes allocated since thread start" /> 917 <Field type="Thread" name="thread" label="Thread" /> 918 </Event> 919 920 <Event name="PhysicalMemory" category="Operating System, Memory" label="Physical Memory" description="OS Physical Memory" period="everyChunk"> 921 <Field type="ulong" contentType="bytes" name="totalSize" label="Total Size" description="Total amount of physical memory available to OS" /> 922 <Field type="ulong" contentType="bytes" name="usedSize" label="Used Size" description="Total amount of physical memory in use" /> 923 </Event> 924 925 <Event name="SwapSpace" category="Operating System, Memory" label="Swap Space" description="OS Swap Space" period="everyChunk"> 926 <Field type="long" contentType="bytes" name="totalSize" label="Total Size" description="Total swap space available to the OS" /> 927 <Field type="long" contentType="bytes" name="freeSize" label="Free Size" description="Free swap space" /> 928 </Event> 929 930 <Event name="ExecutionSample" category="Java Virtual Machine, Profiling" label="Method Profiling Sample" description="Snapshot of a threads state" 931 period="everyChunk"> 932 <Field type="Thread" name="sampledThread" label="Thread" /> 933 <Field type="StackTrace" name="stackTrace" label="Stack Trace" /> 934 <Field type="ThreadState" name="state" label="Thread State" /> 935 </Event> 936 937 <Event name="NativeMethodSample" category="Java Virtual Machine, Profiling" label="Method Profiling Sample Native" description="Snapshot of a threads state when in native" 938 period="everyChunk"> 939 <Field type="Thread" name="sampledThread" label="Thread" /> 940 <Field type="StackTrace" name="stackTrace" label="Stack Trace" /> 941 <Field type="ThreadState" name="state" label="Thread State" /> 942 </Event> 943 944 <Event name="ThreadDump" category="Java Virtual Machine, Runtime" label="Thread Dump" period="everyChunk"> 945 <Field type="string" name="result" label="Thread Dump" /> 946 </Event> 947 948 <Event name="NativeLibrary" category="Java Virtual Machine, Runtime" label="Native Library" period="everyChunk" 949 description="Information about a dynamic library or other native image loaded by the JVM process"> 950 <Field type="string" name="name" label="Name" /> 951 <Field type="ulong" contentType="address" name="baseAddress" label="Base Address" description="Starting address of the module" /> 952 <Field type="ulong" contentType="address" name="topAddress" label="Top Address" description="Ending address of the module, if available" /> 953 </Event> 954 955 <Event name="NativeLibraryLoad" category="Java Virtual Machine, Runtime" label="Native Library Load" thread="true" stackTrace="true" startTime="true" 956 description="Information about a dynamic library or other native image load operation"> 957 <Field type="string" name="name" label="Name" /> 958 <Field type="boolean" name="success" label="Success" description="Success or failure of the load operation" /> 959 <Field type="string" name="errorMessage" label="Error Message" description="In case of a load error, error description" /> 960 <Field type="boolean" name="fpuCorrectionAttempt" label="FPU Environment Correction" description="In case of IEEE conformance issues we might reset the FP environment" /> 961 <Field type="boolean" name="fpuCorrectionSuccess" label="FPU Environment Correction Result" description="Stores the result in the case of an FP environment correction" /> 962 </Event> 963 964 <Event name="NativeLibraryUnload" category="Java Virtual Machine, Runtime" label="Native Library Unload" thread="true" stackTrace="true" startTime="true" 965 description="Information about a dynamic library or other native image unload operation"> 966 <Field type="string" name="name" label="Name" /> 967 <Field type="boolean" name="success" label="Success" description="Success or failure of the unload operation" /> 968 <Field type="string" name="errorMessage" label="Error Message" description="In case of an unload error, error description" /> 969 </Event> 970 971 <Event name="ModuleRequire" category="Java Virtual Machine, Runtime, Modules" label="Module Require" thread="false" period="everyChunk" 972 description="A directed edge representing a dependency"> 973 <Field type="Module" name="source" label="Source Module" /> 974 <Field type="Module" name="requiredModule" label="Required Module" /> 975 </Event> 976 977 <Event name="ModuleExport" category="Java Virtual Machine, Runtime, Modules" label="Module Export" thread="false" period="everyChunk"> 978 <Field type="Package" name="exportedPackage" label="Exported Package" /> 979 <Field type="Module" name="targetModule" label="Target Module" 980 description="Module to which the package is qualifiedly exported. If null or N/A, the package is unqualifiedly exported" /> 981 </Event> 982 983 <Event name="CompilerStatistics" category="Java Virtual Machine, Compiler" label="Compiler Statistics" thread="false" period="everyChunk" startTime="false"> 984 <Field type="int" name="compileCount" label="Compiled Methods" /> 985 <Field type="int" name="bailoutCount" label="Bailouts" /> 986 <Field type="int" name="invalidatedCount" label="Invalidated Compilations" /> 987 <Field type="int" name="osrCompileCount" label="OSR Compilations" /> 988 <Field type="int" name="standardCompileCount" label="Standard Compilations" /> 989 <Field type="ulong" contentType="bytes" name="osrBytesCompiled" label="OSR Bytes Compiled" /> 990 <Field type="ulong" contentType="bytes" name="standardBytesCompiled" label="Standard Bytes Compiled" /> 991 <Field type="ulong" contentType="bytes" name="nmethodsSize" label="Compilation Resulting Size" /> 992 <Field type="ulong" contentType="bytes" name="nmethodCodeSize" label="Compilation Resulting Code Size" /> 993 <Field type="long" contentType="millis" name="peakTimeSpent" label="Peak Time" /> 994 <Field type="long" contentType="millis" name="totalTimeSpent" label="Total time" /> 995 </Event> 996 997 <Event name="CompilerConfiguration" category="Java Virtual Machine, Compiler" label="Compiler Configuration" thread="false" period="endChunk" startTime="false"> 998 <Field type="int" name="threadCount" label="Thread Count" /> 999 <Field type="boolean" name="tieredCompilation" label="Tiered Compilation" /> 1000 <Field type="boolean" name="dynamicCompilerThreadCount" label="Uses Dynamic Number of Compiler Threads" /> 1001 </Event> 1002 1003 <Event name="CodeCacheStatistics" category="Java Virtual Machine, Code Cache" label="Code Cache Statistics" thread="false" period="everyChunk" startTime="false"> 1004 <Field type="CodeBlobType" name="codeBlobType" label="Code Heap" /> 1005 <Field type="ulong" contentType="address" name="startAddress" label="Start Address" /> 1006 <Field type="ulong" contentType="address" name="reservedTopAddress" label="Reserved Top" /> 1007 <Field type="int" name="entryCount" label="Entries" /> 1008 <Field type="int" name="methodCount" label="Methods" /> 1009 <Field type="int" name="adaptorCount" label="Adaptors" /> 1010 <Field type="ulong" contentType="bytes" name="unallocatedCapacity" label="Unallocated" /> 1011 <Field type="int" name="fullCount" label="Full Count" /> 1012 </Event> 1013 1014 <Event name="CodeCacheConfiguration" category="Java Virtual Machine, Code Cache" label="Code Cache Configuration" thread="false" period="endChunk" startTime="false"> 1015 <Field type="ulong" contentType="bytes" name="initialSize" label="Initial Size" /> 1016 <Field type="ulong" contentType="bytes" name="reservedSize" label="Reserved Size" /> 1017 <Field type="ulong" contentType="bytes" name="nonNMethodSize" label="Non-nmethod Size" /> 1018 <Field type="ulong" contentType="bytes" name="profiledSize" label="Profiled Size" /> 1019 <Field type="ulong" contentType="bytes" name="nonProfiledSize" label="Non-profiled Size" /> 1020 <Field type="ulong" contentType="bytes" name="expansionSize" label="Expansion size" /> 1021 <Field type="ulong" contentType="bytes" name="minBlockLength" label="Minimum Block Length" /> 1022 <Field type="ulong" contentType="address" name="startAddress" label="Start Address" /> 1023 <Field type="ulong" contentType="address" name="reservedTopAddress" label="Reserved Top" /> 1024 </Event> 1025 1026 <Event name="IntFlag" category="Java Virtual Machine, Flag" period="endChunk" label="Int Flag"> 1027 <Field type="string" name="name" label="Name" /> 1028 <Field type="int" name="value" label="Value" /> 1029 <Field type="FlagValueOrigin" name="origin" label="Origin" /> 1030 </Event> 1031 1032 <Event name="UnsignedIntFlag" category="Java Virtual Machine, Flag" period="endChunk" label="Unsigned Int Flag"> 1033 <Field type="string" name="name" label="Name" /> 1034 <Field type="uint" name="value" label="Value" /> 1035 <Field type="FlagValueOrigin" name="origin" label="Origin" /> 1036 </Event> 1037 1038 <Event name="LongFlag" category="Java Virtual Machine, Flag" period="endChunk" label="Long Flag"> 1039 <Field type="string" name="name" label="Name" /> 1040 <Field type="long" name="value" label="Value" /> 1041 <Field type="FlagValueOrigin" name="origin" label="Origin" /> 1042 </Event> 1043 1044 <Event name="UnsignedLongFlag" category="Java Virtual Machine, Flag" period="endChunk" label="Unsigned Long Flag"> 1045 <Field type="string" name="name" label="Name" /> 1046 <Field type="ulong" name="value" label="Value" /> 1047 <Field type="FlagValueOrigin" name="origin" label="Origin" /> 1048 </Event> 1049 1050 <Event name="DoubleFlag" category="Java Virtual Machine, Flag" period="endChunk" label="Double Flag"> 1051 <Field type="string" name="name" label="Name" /> 1052 <Field type="double" name="value" label="Value" /> 1053 <Field type="FlagValueOrigin" name="origin" label="Origin" /> 1054 </Event> 1055 1056 <Event name="BooleanFlag" category="Java Virtual Machine, Flag" period="endChunk" label="Boolean Flag"> 1057 <Field type="string" name="name" label="Name" /> 1058 <Field type="boolean" name="value" label="Value" /> 1059 <Field type="FlagValueOrigin" name="origin" label="Origin" /> 1060 </Event> 1061 1062 <Event name="StringFlag" category="Java Virtual Machine, Flag" period="endChunk" label="String Flag"> 1063 <Field type="string" name="name" label="Name" /> 1064 <Field type="string" name="value" label="Value" /> 1065 <Field type="FlagValueOrigin" name="origin" label="Origin" /> 1066 </Event> 1067 1068 <Event name="ObjectCount" category="Java Virtual Machine, GC, Detailed" startTime="false" period="everyChunk" label="Object Count"> 1069 <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" /> 1070 <Field type="Class" name="objectClass" label="Object Class" /> 1071 <Field type="long" name="count" label="Count" /> 1072 <Field type="ulong" contentType="bytes" name="totalSize" label="Total Size" /> 1073 </Event> 1074 1075 <Event name="G1HeapRegionInformation" category="Java Virtual Machine, GC, Detailed" label="G1 Heap Region Information" description="Information about a specific heap region in the G1 GC" 1076 period="everyChunk"> 1077 <Field type="uint" name="index" label="Index" /> 1078 <Field type="G1HeapRegionType" name="type" label="Type" /> 1079 <Field type="ulong" contentType="address" name="start" label="Start" /> 1080 <Field type="ulong" contentType="bytes" name="used" label="Used" /> 1081 </Event> 1082 1083 <Event name="GCConfiguration" category="Java Virtual Machine, GC, Configuration" label="GC Configuration" description="The configuration of the garbage collector" 1084 period="endChunk"> 1085 <Field type="GCName" name="youngCollector" label="Young Garbage Collector" description="The garbage collector used for the young generation" /> 1086 <Field type="GCName" name="oldCollector" label="Old Garbage Collector" description="The garbage collector used for the old generation" /> 1087 <Field type="uint" name="parallelGCThreads" label="Parallel GC Threads" description="Number of parallel threads to use for garbage collection" /> 1088 <Field type="uint" name="concurrentGCThreads" label="Concurrent GC Threads" description="Number of concurrent threads to use for garbage collection" /> 1089 <Field type="boolean" name="usesDynamicGCThreads" label="Uses Dynamic GC Threads" description="Whether a dynamic number of GC threads are used or not" /> 1090 <Field type="boolean" name="isExplicitGCConcurrent" label="Concurrent Explicit GC" description="Whether System.gc() is concurrent or not" /> 1091 <Field type="boolean" name="isExplicitGCDisabled" label="Disabled Explicit GC" description="Whether System.gc() will cause a garbage collection or not" /> 1092 <Field type="long" contentType="millis" name="pauseTarget" label="Pause Target" description="Target for GC pauses" /> 1093 <Field type="uint" name="gcTimeRatio" label="GC Time Ratio" description="Target for runtime vs garbage collection time" /> 1094 </Event> 1095 1096 <Event name="GCSurvivorConfiguration" category="Java Virtual Machine, GC, Configuration" label="GC Survivor Configuration" 1097 description="The configuration of the survivors of garbage collection" period="endChunk"> 1098 <Field type="ubyte" name="maxTenuringThreshold" label="Maximum Tenuring Threshold" description="Upper limit for the age of how old objects to keep in the survivor area" /> 1099 <Field type="ubyte" name="initialTenuringThreshold" label="Initial Tenuring Threshold" description="Initial age limit for how old objects to keep in survivor area" /> 1100 </Event> 1101 1102 <Event name="GCTLABConfiguration" category="Java Virtual Machine, GC, Configuration" label="TLAB Configuration" 1103 description="The configuration of the Thread Local Allocation Buffers (TLABs)" period="endChunk"> 1104 <Field type="boolean" name="usesTLABs" label="TLABs Used" description="If Thread Local Allocation Buffers (TLABs) are in use" /> 1105 <Field type="ulong" contentType="bytes" name="minTLABSize" label="Minimum TLAB Size" /> 1106 <Field type="ulong" contentType="bytes" name="tlabRefillWasteLimit" label="TLAB Refill Waste Limit" /> 1107 </Event> 1108 1109 <Event name="GCHeapConfiguration" category="Java Virtual Machine, GC, Configuration" label="GC Heap Configuration" description="The configuration of the garbage collected heap" 1110 period="endChunk"> 1111 <Field type="ulong" contentType="bytes" name="minSize" label="Minimum Heap Size" /> 1112 <Field type="ulong" contentType="bytes" name="maxSize" label="Maximum Heap Size" /> 1113 <Field type="ulong" contentType="bytes" name="initialSize" label="Initial Heap Size" /> 1114 <Field type="boolean" name="usesCompressedOops" label="If Compressed Oops Are Used" description="If compressed Oops (Ordinary Object Pointers) are enabled" /> 1115 <Field type="NarrowOopMode" name="compressedOopsMode" label="Compressed Oops Mode" description="The kind of compressed oops being used" /> 1116 <Field type="ulong" contentType="bytes" name="objectAlignment" label="Object Alignment" description="Object alignment (in bytes) on the heap" /> 1117 <Field type="ubyte" name="heapAddressBits" label="Heap Address Size" description="Heap Address Size (in bits)" /> 1118 </Event> 1119 1120 <Event name="YoungGenerationConfiguration" category="Java Virtual Machine, GC, Configuration" label="Young Generation Configuration" 1121 description="The configuration of the young generation of the garbage collected heap" period="endChunk"> 1122 <Field type="ulong" contentType="bytes" name="minSize" label="Minimum Young Generation Size" /> 1123 <Field type="ulong" contentType="bytes" name="maxSize" label="Maximum Young Generation Size" /> 1124 <Field type="uint" name="newRatio" label="New Ratio" description="The size of the young generation relative to the tenured generation" /> 1125 </Event> 1126 1127 <Event name="ZYoungGarbageCollection" category="Java Virtual Machine, GC, Collector" label="ZGC Young Garbage Collection" description="Extra information specific to ZGC Young Garbage Collections" thread="true"> 1128 <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" /> 1129 <Field type="uint" name="tenuringThreshold" label="Tenuring Threshold" /> 1130 </Event> 1131 1132 <Event name="ZOldGarbageCollection" category="Java Virtual Machine, GC, Collector" label="ZGC Old Garbage Collection" description="Extra information specific to ZGC Old Garbage Collections" thread="true"> 1133 <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" /> 1134 </Event> 1135 1136 <Event name="ZAllocationStall" category="Java Virtual Machine, GC, Detailed" label="ZGC Allocation Stall" description="Time spent waiting for memory to become available" thread="true" stackTrace="true"> 1137 <Field type="ZPageTypeType" name="type" label="Type" /> 1138 <Field type="ulong" contentType="bytes" name="size" label="Size" /> 1139 </Event> 1140 1141 <Event name="ZPageAllocation" category="Java Virtual Machine, GC, Detailed" label="ZGC Page Allocation" description="Allocation of a ZPage" thread="true" stackTrace="true"> 1142 <Field type="ZPageTypeType" name="type" label="Type" /> 1143 <Field type="ulong" contentType="bytes" name="size" label="Size" /> 1144 <Field type="ulong" contentType="bytes" name="flushed" label="Flushed" /> 1145 <Field type="ulong" contentType="bytes" name="committed" label="Committed" /> 1146 <Field type="uint" name="segments" label="Segments" /> 1147 <Field type="boolean" name="nonBlocking" label="Non-blocking" /> 1148 </Event> 1149 1150 <Event name="ZRelocationSet" category="Java Virtual Machine, GC, Detailed" label="ZGC Relocation Set" thread="true"> 1151 <Field type="ulong" contentType="bytes" name="total" label="Total" /> 1152 <Field type="ulong" contentType="bytes" name="empty" label="Empty" /> 1153 <Field type="ulong" contentType="bytes" name="relocate" label="Relocate" /> 1154 </Event> 1155 1156 <Event name="ZRelocationSetGroup" category="Java Virtual Machine, GC, Detailed" label="ZGC Relocation Set Group" thread="true"> 1157 <Field type="ZPageTypeType" name="type" label="Type" /> 1158 <Field type="ulong" name="candidatePages" label="Candidate Pages" /> 1159 <Field type="ulong" contentType="bytes" name="total" label="Total" /> 1160 <Field type="ulong" contentType="bytes" name="empty" label="Empty" /> 1161 <Field type="ulong" name="selectedPages" label="Selected Pages" /> 1162 <Field type="ulong" contentType="bytes" name="relocate" label="Relocate" /> 1163 </Event> 1164 1165 <Event name="ZStatisticsCounter" category="Java Virtual Machine, GC, Detailed" label="ZGC Statistics Counter" thread="true" experimental="true"> 1166 <Field type="ZStatisticsCounterType" name="id" label="Id" /> 1167 <Field type="ulong" name="increment" label="Increment" /> 1168 <Field type="ulong" name="value" label="Value" /> 1169 </Event> 1170 1171 <Event name="ZStatisticsSampler" category="Java Virtual Machine, GC, Detailed" label="ZGC Statistics Sampler" thread="true" experimental="true"> 1172 <Field type="ZStatisticsSamplerType" name="id" label="Id" /> 1173 <Field type="ulong" name="value" label="Value" /> 1174 </Event> 1175 1176 <Event name="ZThreadPhase" category="Java Virtual Machine, GC, Detailed" label="ZGC Thread Phase" thread="true" experimental="true"> 1177 <Field type="uint" name="gcId" label="GC Identifier" relation="GcId"/> 1178 <Field type="string" name="name" label="Name" /> 1179 </Event> 1180 1181 <Event name="ZUncommit" category="Java Virtual Machine, GC, Detailed" label="ZGC Uncommit" description="Uncommitting of memory" thread="true"> 1182 <Field type="ulong" contentType="bytes" name="uncommitted" label="Uncommitted" /> 1183 </Event> 1184 1185 <Event name="ZUnmap" category="Java Virtual Machine, GC, Detailed" label="ZGC Unmap" description="Unmapping of memory" thread="true"> 1186 <Field type="ulong" contentType="bytes" name="unmapped" label="Unmapped" /> 1187 </Event> 1188 1189 <Event name="ShenandoahHeapRegionStateChange" category="Java Virtual Machine, GC, Detailed" label="Shenandoah Heap Region State Change" description="Information about a Shenandoah heap region state change" 1190 startTime="false"> 1191 <Field type="uint" name="index" label="Index" /> 1192 <Field type="ShenandoahHeapRegionState" name="from" label="From" /> 1193 <Field type="ShenandoahHeapRegionState" name="to" label="To" /> 1194 <Field type="ulong" contentType="address" name="start" label="Start" /> 1195 <Field type="ulong" contentType="bytes" name="used" label="Used" /> 1196 </Event> 1197 1198 <Event name="ShenandoahHeapRegionInformation" category="Java Virtual Machine, GC, Detailed" label="Shenandoah Heap Region Information" description="Information about a specific heap region in the Shenandoah GC" 1199 period="everyChunk"> 1200 <Field type="uint" name="index" label="Index" /> 1201 <Field type="ShenandoahHeapRegionState" name="state" label="State" /> 1202 <Field type="ulong" contentType="address" name="start" label="Start" /> 1203 <Field type="ulong" contentType="bytes" name="used" label="Used" /> 1204 </Event> 1205 1206 <Type name="ShenandoahHeapRegionState" label="Shenandoah Heap Region State"> 1207 <Field type="string" name="state" label="State" /> 1208 </Type> 1209 1210 <Event name="Flush" category="Flight Recorder" label="Flush" thread="false" experimental="true"> 1211 <Field type="ulong" name="flushId" label="Flush Identifier" relation="FlushId" /> 1212 <Field type="ulong" name="elements" label="Elements Written" /> 1213 <Field type="ulong" contentType="bytes" name="size" label="Size Written" /> 1214 </Event> 1215 1216 <Event name="HeapDump" category="Java Virtual Machine, Diagnostics" label="Heap Dump" description="Information about a successfully written Java heap dump" 1217 stackTrace="true" thread="true"> 1218 <Field type="string" name="destination" label="Destination Path of the Dump" /> 1219 <Field type="long" name="size" label="Size" /> 1220 <Field type="boolean" name="gcBeforeDump" label="GC Before Dump" /> 1221 <Field type="boolean" name="onOutOfMemoryError" label="Heap Dump on Out of Memory Error" /> 1222 <Field type="boolean" name="overwrite" label="Overwrite" description="Heap dump overwrites previous file location if it exists" /> 1223 <Field type="int" name="compression" label="Compression Level" description="Compression level of the dump, if larger than 0 we use gzip compression with this level" /> 1224 </Event> 1225 1226 <Event name="GCLocker" category="Java Virtual Machine, GC, Detailed" label="GC Locker" startTime="true" thread="true" stackTrace="true"> 1227 <Field type="uint" name="lockCount" label="Lock Count" description="The number of Java threads in a critical section when the GC locker is started" /> 1228 <Field type="uint" name="stallCount" label="Stall Count" description="The number of Java threads stalled by the GC locker" /> 1229 </Event> 1230 1231 <Event name="FinalizerStatistics" category="Java Application, Statistics" label="Finalizer Statistics" description="Per class statistics about finalizers" thread="false" startTime="false" period="endChunk"> 1232 <Field type="Class" name="finalizableClass" label="Class Overriding Finalize" /> 1233 <Field type="Symbol" name="codeSource" label="Code Source" description="URL from where the class was loaded" /> 1234 <Field type="ulong" name="objects" label="Finalizable Objects on Heap" description="Number of objects on heap that can be finalized" /> 1235 <Field type="ulong" name="totalFinalizersRun" label="Finalizers Run" description="Total number of finalizers run since JVM start" /> 1236 </Event> 1237 1238 <Event name="JavaAgent" category="Java Virtual Machine, Diagnostics" label="Java Agent" description="A Java programming language agent making use of the java.lang.instrument package for instrumenting programs running on the JVM" 1239 thread="false" startTime="false" period="endChunk" stackTrace="false"> 1240 <Field type="string" name="name" label="Name" /> 1241 <Field type="string" name="options" label="Options" /> 1242 <Field type="boolean" name="dynamic" label="Dynamic" description="If the agent attached to the JVM dynamically during runtime, i.e. not at startup" /> 1243 <Field type="Ticks" name="initializationTime" label="Initialization Time" description="The time the JVM initialized the agent" /> 1244 <Field type="Tickspan" name="initializationDuration" label="Initialization Duration" description="The duration of executing the initialization method, either premain or agentmain" /> 1245 </Event> 1246 1247 <Event name="NativeAgent" category="Java Virtual Machine, Diagnostics" label="Native Agent" description="A native programming language agent making use of the JVMTI interface used by development, profiling and monitoring tools" 1248 thread="false" startTime="false" period="endChunk" stackTrace="false"> 1249 <Field type="string" name="name" label="Name" /> 1250 <Field type="string" name="options" label="Options" /> 1251 <Field type="boolean" name="dynamic" label="Dynamic" description="If the library attached to the JVM dynamically during runtime, i.e. not at startup" /> 1252 <Field type="Ticks" name="initializationTime" label="Initialization Time" description="The time the JVM initialized the agent" /> 1253 <Field type="Tickspan" name="initializationDuration" label="Initialization Duration" description="The duration of executing the JVMTI VMInit event callback. If no VMInit callback is specified, the duration is 0. For a dynamically loaded agent, it is the duration of executing the call to Agent_OnAttach." /> 1254 <Field type="string" name="path" label="Path" description="The path of the library" /> 1255 </Event> 1256 1257 <Event name="DeprecatedInvocation" description= "A unique invocation of a method that is annotated with @Deprecated. Packages and modules that are deprecated are ignored. At most 10 000 invocation sites and only the first invocation from a class is guaranteed to be included." 1258 category="Java Application, Statistics" label="Deprecated Method Invocation" thread="false" stackTrace="true" startTime="false" level="forRemoval,all"> 1259 <Field type="Method" name="method" label="Deprecated Method" /> 1260 <Field type="Ticks" name="invocationTime" label="Invocation Time" description="The time the deprecated method was invoked for the first time" /> 1261 <Field type="boolean" name="forRemoval" label="For Removal" /> 1262 </Event> 1263 1264 <Type name="DeoptimizationReason" label="Deoptimization Reason"> 1265 <Field type="string" name="reason" label="Reason" /> 1266 </Type> 1267 1268 <Type name="DeoptimizationAction" label="Deoptimization Action"> 1269 <Field type="string" name="action" label="Action" /> 1270 </Type> 1271 1272 <Type name="Bytecode" label="Bytecode Instruction"> 1273 <Field type="string" name="bytecode" label="Instruction" /> 1274 </Type> 1275 1276 <Type name="CompilerType" label="Compiler Type"> 1277 <Field type="string" name="compiler" label="Compiler" /> 1278 </Type> 1279 1280 <Type name="ZPageTypeType" label="Z Page Type"> 1281 <Field type="string" name="type" label="Type" /> 1282 </Type> 1283 1284 <Type name="ZStatisticsCounterType" label="Z Statistics Counter"> 1285 <Field type="string" name="counter" label="Counter" /> 1286 </Type> 1287 1288 <Type name="ZStatisticsSamplerType" label="Z Statistics Sampler"> 1289 <Field type="string" name="sampler" label="Sampler" /> 1290 </Type> 1291 1292 <Type name="NetworkInterfaceName" label="Network Interface"> 1293 <Field type="string" name="networkInterface" label="Network Interface" description="Network Interface Name" /> 1294 </Type> 1295 1296 <Type name="Thread" label="Thread"> 1297 <Field type="string" name="osName" label="OS Thread Name" /> 1298 <Field type="long" name="osThreadId" label="OS Thread Id" /> 1299 <Field type="string" name="javaName" label="Java Thread Name" /> 1300 <Field type="long" name="javaThreadId" label="Java Thread Id" /> 1301 <Field type="ThreadGroup" name="group" label="Java Thread Group" /> 1302 <Field type="boolean" name="virtual" label="Virtual Thread" /> 1303 </Type> 1304 1305 <Type name="ThreadGroup" label="Thread Group"> 1306 <Field type="ThreadGroup" name="parent" label="Parent" /> 1307 <Field type="string" name="name" label="Name" /> 1308 </Type> 1309 1310 <Type name="Class" label="Java Class"> 1311 <Field type="ClassLoader" name="classLoader" label="Class Loader" /> 1312 <Field type="Symbol" name="name" label="Name" /> 1313 <Field type="Package" name="package" label="Package" /> 1314 <Field type="int" name="modifiers" label="Access Modifiers" /> 1315 <Field type="boolean" name="hidden" label="Hidden" /> 1316 </Type> 1317 1318 <Type name="ClassLoader" label="Java Class Loader"> 1319 <Field type="Class" name="type" label="Type" /> 1320 <Field type="Symbol" name="name" label="Name" /> 1321 </Type> 1322 1323 <Type name="Method" label="Java Method"> 1324 <Field type="Class" name="type" label="Type" /> 1325 <Field type="Symbol" name="name" label="Name" /> 1326 <Field type="Symbol" name="descriptor" label="Descriptor" /> 1327 <Field type="int" name="modifiers" label="Access Modifiers" /> 1328 <Field type="boolean" name="hidden" label="Hidden" /> 1329 </Type> 1330 1331 <Type name="Symbol" label="Symbol"> 1332 <Field type="string" name="string" label="String" /> 1333 </Type> 1334 1335 <Type name="ThreadState" label="Java Thread State"> 1336 <Field type="string" name="name" label="Name" /> 1337 </Type> 1338 1339 <Type name="GCName" label="GC Name"> 1340 <Field type="string" name="name" label="Name" /> 1341 </Type> 1342 1343 <Type name="GCCause" label="GC Cause"> 1344 <Field type="string" name="cause" label="Cause" /> 1345 </Type> 1346 1347 <Type name="GCWhen" label="GC When"> 1348 <Field type="string" name="when" label="When" /> 1349 </Type> 1350 1351 <Type name="G1HeapRegionType" label="G1 Heap Region Type"> 1352 <Field type="string" name="type" label="Type" /> 1353 </Type> 1354 1355 <Type name="G1YCType" label="G1 YC Type"> 1356 <Field type="string" name="type" label="Type" /> 1357 </Type> 1358 1359 <Type name="GCThresholdUpdater" label="GC Threshold Updater"> 1360 <Field type="string" name="updater" label="Updater" /> 1361 </Type> 1362 1363 <Type name="ReferenceType" label="Reference Type"> 1364 <Field type="string" name="type" label="Type" /> 1365 </Type> 1366 1367 <Type name="MetadataType" label="Metadata Type"> 1368 <Field type="string" name="type" label="Type" /> 1369 </Type> 1370 1371 <Type name="MetaspaceObjectType" label="Metaspace Object Type"> 1372 <Field type="string" name="type" label="Type" /> 1373 </Type> 1374 1375 <Type name="NarrowOopMode" label="Narrow Oop Mode"> 1376 <Field type="string" name="mode" label="Mode" /> 1377 </Type> 1378 1379 <Type name="VMOperationType" label="VM Operation Type"> 1380 <Field type="string" name="type" label="Type" /> 1381 </Type> 1382 1383 <Type name="CompilerPhaseType" label="Compiler Phase Type"> 1384 <Field type="string" name="phase" label="Phase" /> 1385 </Type> 1386 1387 <Type name="FlagValueOrigin" label="Flag Value Origin"> 1388 <Field type="string" name="origin" label="Origin" /> 1389 </Type> 1390 1391 <Type name="CodeBlobType" label="Code Blob Type"> 1392 <Field type="string" name="type" label="Type" /> 1393 </Type> 1394 1395 <Type name="InflateCause" label="Inflation Cause"> 1396 <Field type="string" name="cause" label="Cause" /> 1397 </Type> 1398 1399 <Type name="Module" label="Module"> 1400 <Field type="Symbol" name="name" label="Name" /> 1401 <Field type="Symbol" name="version" label="Version" /> 1402 <Field type="Symbol" name="location" label="Location" /> 1403 <Field type="ClassLoader" name="classLoader" label="Class Loader" /> 1404 </Type> 1405 1406 <Type name="Package" label="Package"> 1407 <Field type="Symbol" name="name" label="Name" /> 1408 <Field type="Module" name="module" label="Module" /> 1409 <Field type="boolean" name="exported" label="Exported" /> 1410 </Type> 1411 1412 <Type name="StackTrace" label="Stacktrace"> 1413 <Field type="boolean" name="truncated" label="Truncated" /> 1414 <Field type="StackFrame" array="true" struct="true" name="frames" label="Stack Frames" /> 1415 </Type> 1416 1417 <Type name="FrameType" label="Frame type"> 1418 <Field type="string" name="description" label="Description" /> 1419 </Type> 1420 1421 <Type name="OldObjectRootSystem" label="GC Root System"> 1422 <Field type="string" name="system" label="System" /> 1423 </Type> 1424 1425 <Type name="OldObjectRootType" label="GC Root Type"> 1426 <Field type="string" name="type" label="Type" /> 1427 </Type> 1428 1429 <Type name="OldObjectGcRoot" label="GC Root"> 1430 <Field type="string" name="description" label="Root Description" description="Root information" /> 1431 <Field type="OldObjectRootSystem" name="system" label="System" description="The subsystem of origin for the root" /> 1432 <Field type="OldObjectRootType" name="type" label="Type" description="The root type" /> 1433 </Type> 1434 1435 <Type name="OldObjectArray" label="Old Object Array"> 1436 <Field type="int" name="size" label="Array Size" description="Size of array" /> 1437 <Field type="int" name="index" label="Index" description="Index in the array" /> 1438 </Type> 1439 1440 <Type name="OldObjectField" label="Old Object Field"> 1441 <Field type="string" name="name" label="Field" description="Name of field" /> 1442 <Field type="short" name="modifiers" label="Field Modifiers" description="Field modifiers" /> 1443 </Type> 1444 1445 <Type name="OldObject" label="Old Object"> 1446 <Field type="ulong" contentType="address" name="address" label="Memory Address" /> 1447 <Field type="Class" name="type" label="Java Class" /> 1448 <Field type="string" name="description" label="Object Description" description="Object description" /> 1449 <Field type="Reference" name="referrer" label="Referrer Object" description="Object referencing this object" /> 1450 </Type> 1451 1452 <Type name="Reference" label="Reference"> 1453 <Field type="OldObjectArray" name="array" label="Array Information" description="Array or null if it is not an array" /> 1454 <Field type="OldObjectField" name="field" label="Field Information" description="Field or null if it is an array" /> 1455 <Field type="OldObject" name="object" label="Object" description="Object holder for this reference" /> 1456 <Field type="int" name="skip" label="Skip Value" description="The object is this many hops away" /> 1457 </Type> 1458 1459 <Type name="StackFrame"> 1460 <Field type="Method" name="method" label="Java Method" /> 1461 <Field type="int" name="lineNumber" label="Line Number" /> 1462 <Field type="int" name="bytecodeIndex" label="Bytecode Index" /> 1463 <Field type="FrameType" name="type" label="Frame Type" /> 1464 </Type> 1465 1466 <Type name="ChunkHeader" label="Chunk Header"> 1467 <Field type="byte" array="true" name="payload" label="Payload" /> 1468 </Type> 1469 1470 <Type name="NMTType" label="Native Memory Tracking Type"> 1471 <Field type="string" name="name" label="Name" /> 1472 </Type> 1473 1474 <Relation name="JavaMonitorAddress"/> 1475 <Relation name="SafepointId"/> 1476 <Relation name="GcId"/> 1477 <Relation name="CompileId" /> 1478 <Relation name="SweepId"/> 1479 <Relation name="FlushId"/> 1480 <Relation name="ClassRedefinitionId"/> 1481 1482 <XmlType name="Package" parameterType="const PackageEntry*" fieldType="const PackageEntry*"/> 1483 <XmlType name="Class" javaType="java.lang.Class" parameterType="const Klass*" fieldType="const Klass*"/> 1484 <XmlType name="Module" parameterType="const ModuleEntry*" fieldType="const ModuleEntry*"/> 1485 <XmlType name="ClassLoader" parameterType="const ClassLoaderData*" fieldType="const ClassLoaderData*"/> 1486 <XmlType name="Method" parameterType="const Method*" fieldType="const Method*"/> 1487 <XmlType name="Thread" javaType="java.lang.Thread" parameterType="u8" fieldType="u8"/> 1488 <XmlType name="Tickspan" contentType="tickspan" unsigned="true" javaType="long" parameterType="const Tickspan&" fieldType="Tickspan"/> 1489 <XmlType name="Ticks" contentType="tickstamp" unsigned="true" javaType="long" parameterType="const Ticks&" fieldType="Ticks"/> 1490 <XmlType name="ulong" javaType="long" unsigned="true" parameterType="u8" fieldType="u8"/> 1491 <XmlType name="uint" javaType="int" unsigned="true" parameterType="unsigned" fieldType="unsigned"/> 1492 <XmlType name="ushort" javaType="short" unsigned="true" parameterType="u2" fieldType="u2"/> 1493 <XmlType name="ubyte" javaType="byte" unsigned="true" parameterType="u1" fieldType="u1"/> 1494 <XmlType name="long" javaType="long" parameterType="s8" fieldType="s8"/> 1495 <XmlType name="int" javaType="int" parameterType="s4" fieldType="s4"/> 1496 <XmlType name="short" javaType="short" parameterType="s2" fieldType="s2"/> 1497 <XmlType name="byte" javaType="byte" parameterType="s1" fieldType="s1"/> 1498 <XmlType name="double" javaType="double" parameterType="double" fieldType="double"/> 1499 <XmlType name="float" javaType="float" parameterType="float" fieldType="float"/> 1500 <XmlType name="boolean" javaType="boolean" parameterType="bool" fieldType="bool"/> 1501 <XmlType name="char" javaType="char" parameterType="char" fieldType="char"/> 1502 <XmlType name="string" javaType="java.lang.String" parameterType="const char*" fieldType="const char*"/> 1503 <XmlType name="StackTrace" javaType="jdk.types.StackTrace" parameterType="u8" fieldType="u8"/> 1504 1505 <XmlContentType name="bytes" annotation="jdk.jfr.DataAmount(BYTES)" /> 1506 <XmlContentType name="tickstamp" annotation="jdk.jfr.Timestamp(TICKS)" /> 1507 <XmlContentType name="epochmillis" annotation="jdk.jfr.Timestamp(MILLISECONDS_SINCE_EPOCH)" /> 1508 <XmlContentType name="tickspan" annotation="jdk.jfr.Timespan(TICKS)" /> 1509 <XmlContentType name="address" annotation="jdk.jfr.MemoryAddress" /> 1510 <XmlContentType name="percentage" annotation="jdk.jfr.Percentage" /> 1511 <XmlContentType name="millis" annotation="jdk.jfr.Timespan(MILLISECONDS)" /> 1512 <XmlContentType name="nanos" annotation="jdk.jfr.Timespan(NANOSECONDS)" /> 1513 <XmlContentType name="hertz" annotation="jdk.jfr.Frequency" /> 1514 <XmlContentType name="bytes-per-second" annotation="jdk.jfr.DataAmount(BYTES), jdk.jfr.Frequency" /> 1515 <XmlContentType name="bits-per-second" annotation="jdk.jfr.DataAmount(BITS), jdk.jfr.Frequency" /> 1516 1517 </Metadata>