8196341: Add JFR events for parallel phases of G1

0 <?xml version="1.0" encoding="utf-8"?>                                                                                     
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25 
26 <Metadata>                                                                                                                 
27 
28   <Event name="ThreadStart" category="Java Application" label="Java Thread Start" thread="true" startTime="false">         
29     <Field type="Thread" name="thread" label="Java Thread" />                                                              
30   </Event>                                                                                                                 
31 
32   <Event name="ThreadEnd" category="Java Application" label="Java Thread End" thread="true" startTime="false">             
33     <Field type="Thread" name="thread" label="Java Thread" />                                                              
34   </Event>                                                                                                                 
35 
36   <Event name="ThreadSleep" category="Java Application" label="Java Thread Sleep" thread="true" stackTrace="true">         
37     <Field type="long" contentType="millis" name="time" label="Sleep Time" />                                              
38   </Event>                                                                                                                 
39 
40   <Event name="ThreadPark" category="Java Application" label="Java Thread Park" thread="true" stackTrace="true">           
41     <Field type="Class" name="parkedClass" label="Class Parked On" />                                                      
42     <Field type="long" contentType="millis" name="timeout" label="Park Timeout" />                                         
43     <Field type="ulong" contentType="address" name="address" label="Address of Object Parked" relation="JavaMonitorAddress"
44   </Event>                                                                                                                 
45 
46   <Event name="JavaMonitorEnter" category="Java Application" label="Java Monitor Blocked" thread="true" stackTrace="true"> 
47     <Field type="Class" name="monitorClass" label="Monitor Class" />                                                       
48     <Field type="Thread" name="previousOwner" label="Previous Monitor Owner" />                                            
49     <Field type="ulong" contentType="address" name="address" label="Monitor Address" relation="JavaMonitorAddress" />      
50   </Event>                                                                                                                 
51 
52   <Event name="JavaMonitorWait" category="Java Application" label="Java Monitor Wait" description="Waiting on a Java monito
53     <Field type="Class" name="monitorClass" label="Monitor Class" description="Class of object waited on" />               
54     <Field type="Thread" name="notifier" label="Notifier Thread" description="Notifying Thread" />                         
55     <Field type="long" contentType="millis" name="timeout" label="Timeout" description="Maximum wait time" />              
56     <Field type="boolean" name="timedOut" label="Timed Out" description="Wait has been timed out" />                       
57     <Field type="ulong" contentType="address" name="address" label="Monitor Address" description="Address of object waited 
58   </Event>                                                                                                                 
59 
60   <Event name="JavaMonitorInflate" category="Java Application" label="Java Monitor Inflated" thread="true" stackTrace="true
61     <Field type="Class" name="monitorClass" label="Monitor Class" />                                                       
62     <Field type="ulong" contentType="address" name="address" label="Monitor Address" relation="JavaMonitorAddress" />      
63     <Field type="InflateCause" name="cause" label="Monitor Inflation Cause" description="Cause of inflation" />            
64   </Event>                                                                                                                 
65 
66   <Event name="BiasedLockRevocation" category="Java Application" label="Biased Lock Revocation" description="Revoked bias o
67     stackTrace="true">                                                                                                     
68     <Field type="Class" name="lockClass" label="Lock Class" description="Class of object whose biased lock was revoked" /> 
69     <Field type="int" name="safepointId" label="Safepoint Identifier" relation="SafepointId" />                            
70     <Field type="Thread" name="previousOwner" label="Previous Owner" description="Thread owning the bias before revocation"
71   </Event>                                                                                                                 
72 
73   <Event name="BiasedLockSelfRevocation" category="Java Application" label="Biased Lock Self Revocation" description="Revok
74     thread="true" stackTrace="true">                                                                                       
75     <Field type="Class" name="lockClass" label="Lock Class" description="Class of object whose biased lock was revoked" /> 
76   </Event>                                                                                                                 
77 
78   <Event name="BiasedLockClassRevocation" category="Java Application" label="Biased Lock Class Revocation" description="Rev
79     thread="true" stackTrace="true">                                                                                       
80     <Field type="Class" name="revokedClass" label="Revoked Class" description="Class whose biased locks were revoked" />   
81     <Field type="boolean" name="disableBiasing" label="Disable Further Biasing" description="Whether further biasing for in
82     <Field type="int" name="safepointId" label="Safepoint Identifier" relation="SafepointId" />                            
83   </Event>                                                                                                                 
84 
85   <Event name="ReservedStackActivation" category="Java Virtual Machine, Runtime" label="Reserved Stack Activation"         
86     description="Activation of Reserved Stack Area caused by stack overflow with ReservedStackAccess annotated method in ca
87     startTime="false">                                                                                                     
88     <Field type="Method" name="method" label="Java Method" />                                                              
89   </Event>                                                                                                                 
90 
91   <Event name="ClassLoad" category="Java Virtual Machine, Class Loading" label="Class Load" thread="true" stackTrace="true"
92     <Field type="Class" name="loadedClass" label="Loaded Class" />                                                         
93     <Field type="ClassLoader" name="definingClassLoader" label="Defining Class Loader" />                                  
94     <Field type="ClassLoader" name="initiatingClassLoader" label="Initiating Class Loader" />                              
95   </Event>                                                                                                                 
96 
97   <Event name="ClassDefine" category="Java Virtual Machine, Class Loading" label="Class Define" thread="true" stackTrace="t
98     <Field type="Class" name="definedClass" label="Defined Class" />                                                       
99     <Field type="ClassLoader" name="definingClassLoader" label="Defining Class Loader" />                                  
100   </Event>                                                                                                                 
101 
102   <Event name="ClassUnload" category="Java Virtual Machine, Class Loading" label="Class Unload" thread="true" startTime="fa
103     <Field type="Class" name="unloadedClass" label="Unloaded Class" />                                                     
104     <Field type="ClassLoader" name="definingClassLoader" label="Defining Class Loader" />                                  
105   </Event>                                                                                                                 
106 
107   <Event name="IntFlagChanged" category="Java Virtual Machine, Flag" label="Int Flag Changed" startTime="false">           
108     <Field type="string" name="name" label="Name" />                                                                       
109     <Field type="int" name="oldValue" label="Old Value" />                                                                 
110     <Field type="int" name="newValue" label="New Value" />                                                                 
111     <Field type="FlagValueOrigin" name="origin" label="Origin" />                                                          
112   </Event>                                                                                                                 
113 
114   <Event name="UnsignedIntFlagChanged" category="Java Virtual Machine, Flag" label="Unsigned Int Flag Changed" startTime="f
115     <Field type="string" name="name" label="Name" />                                                                       
116     <Field type="uint" name="oldValue" label="Old Value" />                                                                
117     <Field type="uint" name="newValue" label="New Value" />                                                                
118     <Field type="FlagValueOrigin" name="origin" label="Origin" />                                                          
119   </Event>                                                                                                                 
120 
121   <Event name="LongFlagChanged" category="Java Virtual Machine, Flag" label="Long Flag Changed" startTime="false">         
122     <Field type="string" name="name" label="Name" />                                                                       
123     <Field type="long" name="oldValue" label="Old Value" />                                                                
124     <Field type="long" name="newValue" label="New Value" />                                                                
125     <Field type="FlagValueOrigin" name="origin" label="Origin" />                                                          
126   </Event>                                                                                                                 
127 
128   <Event name="UnsignedLongFlagChanged" category="Java Virtual Machine, Flag" label="Unsigned Long Flag Changed" startTime=
129     <Field type="string" name="name" label="Name" />                                                                       
130     <Field type="ulong" name="oldValue" label="Old Value" />                                                               
131     <Field type="ulong" name="newValue" label="New Value" />                                                               
132     <Field type="FlagValueOrigin" name="origin" label="Origin" />                                                          
133   </Event>                                                                                                                 
134 
135   <Event name="DoubleFlagChanged" category="Java Virtual Machine, Flag" label="Double Flag Changed" startTime="false">     
136     <Field type="string" name="name" label="Name" />                                                                       
137     <Field type="double" name="oldValue" label="Old Value" />                                                              
138     <Field type="double" name="newValue" label="New Value" />                                                              
139     <Field type="FlagValueOrigin" name="origin" label="Origin" />                                                          
140   </Event>                                                                                                                 
141 
142   <Event name="BooleanFlagChanged" category="Java Virtual Machine, Flag" label="Boolean Flag Changed" startTime="false">   
143     <Field type="string" name="name" label="Name" />                                                                       
144     <Field type="boolean" name="oldValue" label="Old Value" />                                                             
145     <Field type="boolean" name="newValue" label="New Value" />                                                             
146     <Field type="FlagValueOrigin" name="origin" label="Origin" />                                                          
147   </Event>                                                                                                                 
148 
149   <Event name="StringFlagChanged" category="Java Virtual Machine, Flag" label="String Flag Changed" startTime="false">     
150     <Field type="string" name="name" label="Name" />                                                                       
151     <Field type="string" name="oldValue" label="Old Value" />                                                              
152     <Field type="string" name="newValue" label="New Value" />                                                              
153     <Field type="FlagValueOrigin" name="origin" label="Origin" />                                                          
154   </Event>                                                                                                                 
155                                                                                                                            
156   <Type name="VirtualSpace">                                                                                               
157     <Field type="ulong" contentType="address" name="start" label="Start Address" description="Start address of the virtual 
158     <Field type="ulong" contentType="address" name="committedEnd" label="Committed End Address" description="End address of
159     <Field type="ulong" contentType="bytes" name="committedSize" label="Committed Size" description="Size of the committed 
160     <Field type="ulong" contentType="address" name="reservedEnd" label="Reserved End Address" description="End address of t
161     <Field type="ulong" contentType="bytes" name="reservedSize" label="Reserved Size" description="Size of the reserved mem
162   </Type>                                                                                                                  
163                                                                                                                            
164   <Type name="ObjectSpace">                                                                                                
165     <Field type="ulong" contentType="address" name="start" label="Start Address" description="Start address of the space" /
166     <Field type="ulong" contentType="address" name="end" label="End Address" description="End address of the space" />     
167     <Field type="ulong" contentType="bytes" name="used" label="Used" description="Bytes allocated by objects in the space" 
168     <Field type="ulong" contentType="bytes" name="size" label="Size" description="Size of the space" />                    
169   </Type>                                                                                                                  
170                                                                                                                            
171   <Event name="GCHeapSummary" category="Java Virtual Machine, GC, Heap" label="Heap Summary" startTime="false">            
172     <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" />                                                
173     <Field type="GCWhen" name="when" label="When" />                                                                       
174     <Field type="VirtualSpace" struct="true" name="heapSpace" label="Heap Space" />                                        
175     <Field type="ulong" contentType="bytes" name="heapUsed" label="Heap Used" description="Bytes allocated by objects in th
176   </Event>                                                                                                                 
177                                                                                                                            
178   <Type name="MetaspaceSizes">                                                                                             
179     <Field type="ulong" contentType="bytes" name="committed" label="Committed" description="Committed memory for this space
180     <Field type="ulong" contentType="bytes" name="used" label="Used" description="Bytes allocated by objects in the space" 
181     <Field type="ulong" contentType="bytes" name="reserved" label="Reserved" description="Reserved memory for this space" /
182   </Type>                                                                                                                  
183                                                                                                                            
184   <Event name="MetaspaceSummary" category="Java Virtual Machine, GC, Heap" label="Metaspace Summary" startTime="false">    
185     <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" />                                                
186     <Field type="GCWhen" name="when" label="When" />                                                                       
187     <Field type="ulong" contentType="bytes" name="gcThreshold" label="GC Threshold" />                                     
188     <Field type="MetaspaceSizes" struct="true" name="metaspace" label="Total" />                                           
189     <Field type="MetaspaceSizes" struct="true" name="dataSpace" label="Data" />                                            
190     <Field type="MetaspaceSizes" struct="true" name="classSpace" label="Class" />                                          
191   </Event>                                                                                                                 
192 
193   <Event name="MetaspaceGCThreshold" category="Java Virtual Machine, GC, Metaspace" label="Metaspace GC Threshold" startTim
194     <Field type="ulong" contentType="bytes" name="oldValue" label="Old Value" />                                           
195     <Field type="ulong" contentType="bytes" name="newValue" label="New Value" />                                           
196     <Field type="GCThresholdUpdater" name="updater" label="Updater" />                                                     
197   </Event>                                                                                                                 
198 
199   <Event name="MetaspaceAllocationFailure" category="Java Virtual Machine, GC, Metaspace" label="Metaspace Allocation Failu
200     stackTrace="true">                                                                                                     
201     <Field type="ClassLoader" name="classLoader" label="Class Loader" />                                                   
202     <Field type="boolean" name="unsafeAnonymousClassLoader" label="Unsafe Anonymous Class Loader" />                       
203     <Field type="ulong" contentType="bytes" name="size" label="Size" />                                                    
204     <Field type="MetadataType" name="metadataType" label="Metadata Type" />                                                
205     <Field type="MetaspaceObjectType" name="metaspaceObjectType" label="Metaspace Object Type" />                          
206   </Event>                                                                                                                 
207 
208   <Event name="MetaspaceOOM" category="Java Virtual Machine, GC, Metaspace" label="Metaspace Out of Memory" startTime="fals
209     <Field type="ClassLoader" name="classLoader" label="Class Loader" />                                                   
210     <Field type="boolean" name="unsafeAnonymousClassLoader" label="Unsafe Anonymous Class Loader" />                       
211     <Field type="ulong" contentType="bytes" name="size" label="Size" />                                                    
212     <Field type="MetadataType" name="metadataType" label="Metadata Type" />                                                
213     <Field type="MetaspaceObjectType" name="metaspaceObjectType" label="Metaspace Object Type" />                          
214   </Event>                                                                                                                 
215 
216   <Event name="MetaspaceChunkFreeListSummary" category="Java Virtual Machine, GC, Metaspace" label="Metaspace Chunk Free Li
217     <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" />                                                
218     <Field type="GCWhen" name="when" label="When" />                                                                       
219     <Field type="MetadataType" name="metadataType" label="Metadata Type" />                                                
220     <Field type="ulong" name="specializedChunks" label="Specialized Chunks" />                                             
221     <Field type="ulong" contentType="bytes" name="specializedChunksTotalSize" label="Specialized Chunks Total Size" />     
222     <Field type="ulong" name="smallChunks" label="Small Chunks" />                                                         
223     <Field type="ulong" contentType="bytes" name="smallChunksTotalSize" label="Small Chunks Total Size" />                 
224     <Field type="ulong" name="mediumChunks" label="Medium Chunks" />                                                       
225     <Field type="ulong" contentType="bytes" name="mediumChunksTotalSize" label="Medium Chunks Total Size" />               
226     <Field type="ulong" name="humongousChunks" label="Humongous Chunks" />                                                 
227     <Field type="ulong" contentType="bytes" name="humongousChunksTotalSize" label="Humongous Chunks Total Size" />         
228   </Event>                                                                                                                 
229 
230   <Event name="PSHeapSummary" category="Java Virtual Machine, GC, Heap" label="Parallel Scavenge Heap Summary" startTime="f
231     <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" />                                                
232     <Field type="GCWhen" name="when" label="When" />                                                                       
233     <Field type="VirtualSpace" struct="true" name="oldSpace" label="Old Space" />                                          
234     <Field type="ObjectSpace" struct="true" name="oldObjectSpace" label="Old Object Space" />                              
235     <Field type="VirtualSpace" struct="true" name="youngSpace" label="Young Space" />                                      
236     <Field type="ObjectSpace" struct="true" name="edenSpace" label="Eden Space" />                                         
237     <Field type="ObjectSpace" struct="true" name="fromSpace" label="From Space" />                                         
238     <Field type="ObjectSpace" struct="true" name="toSpace" label="To Space" />                                             
239   </Event>                                                                                                                 
240 
241   <Event name="G1HeapSummary" category="Java Virtual Machine, GC, Heap" label="G1 Heap Summary" startTime="false">         
242     <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" />                                                
243     <Field type="GCWhen" name="when" label="When" />                                                                       
244     <Field type="ulong" contentType="bytes" name="edenUsedSize" label="Eden Used Size" />                                  
245     <Field type="ulong" contentType="bytes" name="edenTotalSize" label="Eden Total Size" />                                
246     <Field type="ulong" contentType="bytes" name="survivorUsedSize" label="Survivor Used Size" />                          
247     <Field type="uint" name="numberOfRegions" label="Number of Regions" />                                                 
248   </Event>                                                                                                                 
249 
250   <Event name="GarbageCollection" category="Java Virtual Machine, GC, Collector" label="Garbage Collection" description="Ga
251     <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" />                                                
252     <Field type="GCName" name="name" label="Name" description="The name of the Garbage Collector" />                       
253     <Field type="GCCause" name="cause" label="Cause" description="The reason for triggering this Garbage Collection" />    
254     <Field type="Tickspan" name="sumOfPauses" label="Sum of Pauses" description="Sum of all the times in which Java executi
255     <Field type="Tickspan" name="longestPause" label="Longest Pause" description="Longest individual pause during the garba
256   </Event>                                                                                                                 
257 
258   <Event name="ParallelOldGarbageCollection" category="Java Virtual Machine, GC, Collector" label="Parallel Old Garbage Col
259     description="Extra information specific to Parallel Old Garbage Collections">                                          
260     <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" />                                                
261     <Field type="ulong" contentType="address" name="densePrefix" label="Dense Prefix" description="The address of the dense
262   </Event>                                                                                                                 
263 
264   <Event name="YoungGarbageCollection" category="Java Virtual Machine, GC, Collector" label="Young Garbage Collection" desc
265     <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" />                                                
266     <Field type="uint" name="tenuringThreshold" label="Tenuring Threshold" />                                              
267   </Event>                                                                                                                 
268 
269   <Event name="OldGarbageCollection" category="Java Virtual Machine, GC, Collector" label="Old Garbage Collection" descript
270     <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" />                                                
271   </Event>                                                                                                                 
272 
273   <Event name="G1GarbageCollection" category="Java Virtual Machine, GC, Collector" label="G1 Garbage Collection" descriptio
274     <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" />                                                
275     <Field type="G1YCType" name="type" label="Type" />                                                                     
276   </Event>                                                                                                                 
277 
278   <Event name="G1MMU" category="Java Virtual Machine, GC, Detailed" label="G1 MMU Information" startTime="false">          
279     <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" />                                                
280     <Field type="long" contentType="millis" name="timeSlice" label="Time Slice" description="Time slice used to calculate M
281     <Field type="long" contentType="millis" name="gcTime" label="GC Time" description="Time stopped because of GC during la
282     <Field type="long" contentType="millis" name="pauseTarget" label="Pause Target" description="Max time allowed to be spe
283   </Event>                                                                                                                 
284 
285   <Event name="EvacuationInformation" category="Java Virtual Machine, GC, Detailed" label="Evacuation Information" startTim
286     <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" />                                                
287     <Field type="uint" name="cSetRegions" label="Collection Set Regions" />                                                
288     <Field type="ulong" contentType="bytes" name="cSetUsedBefore" label="Collection Set Before" description="Memory usage b
289     <Field type="ulong" contentType="bytes" name="cSetUsedAfter" label="Collection Set After" description="Memory usage aft
290     <Field type="uint" name="allocationRegions" label="Allocation Regions" description="Regions chosen as allocation region
291     <Field type="ulong" contentType="bytes" name="allocationRegionsUsedBefore" label="Allocation Regions Before" descriptio
292     <Field type="ulong" contentType="bytes" name="allocationRegionsUsedAfter" label="Allocation Regions After" description=
293     <Field type="ulong" contentType="bytes" name="bytesCopied" label="Bytes Copied" />                                     
294     <Field type="uint" name="regionsFreed" label="Regions Freed" />                                                        
295   </Event>                                                                                                                 
296 
297   <Event name="GCReferenceStatistics" category="Java Virtual Machine, GC, Reference" label="GC Reference Statistics" startT
298     description="Total count of processed references during GC">                                                           
299     <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" />                                                
300     <Field type="ReferenceType" name="type" label="Type" />                                                                
301     <Field type="ulong" name="count" label="Total Count" />                                                                
302   </Event>                                                                                                                 
303 
304   <Type name="CopyFailed">                                                                                                 
305     <Field type="ulong" name="objectCount" label="Object Count" />                                                         
306     <Field type="ulong" contentType="bytes" name="firstSize" label="First Failed Object Size" />                           
307     <Field type="ulong" contentType="bytes" name="smallestSize" label="Smallest Failed Object Size" />                     
308     <Field type="ulong" contentType="bytes" name="totalSize" label="Total Object Size" />                                  
309   </Type>                                                                                                                  
310 
311   <Event name="ObjectCountAfterGC" category="Java Virtual Machine, GC, Detailed" startTime="false" label="Object Count afte
312     <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" />                                                
313     <Field type="Class" name="objectClass" label="Object Class" />                                                         
314     <Field type="long" name="count" label="Count" />                                                                       
315     <Field type="ulong" contentType="bytes" name="totalSize" label="Total Size" />                                         
316   </Event>                                                                                                                 
317 
318   <Type name="G1EvacuationStatistics">                                                                                     
319     <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" />                                                
320     <Field type="ulong" contentType="bytes" name="allocated" label="Allocated" description="Total memory allocated by PLABs
321     <Field type="ulong" contentType="bytes" name="wasted" label="Wasted" description="Total memory wasted within PLABs due 
322     <Field type="ulong" contentType="bytes" name="used" label="Used" description="Total memory occupied by objects within P
323     <Field type="ulong" contentType="bytes" name="undoWaste" label="Undo Wasted" description="Total memory wasted due to al
324     <Field type="ulong" contentType="bytes" name="regionEndWaste" label="Region End Wasted" description="Total memory waste
325     <Field type="uint" contentType="bytes" name="regionsRefilled" label="Region Refills" description="Total memory wasted a
326     <Field type="ulong" contentType="bytes" name="directAllocated" label="Allocated (direct)" description="Total memory all
327     <Field type="ulong" contentType="bytes" name="failureUsed" label="Used (failure)" description="Total memory occupied by
328     <Field type="ulong" contentType="bytes" name="failureWaste" label="Wasted (failure)" description="Total memory left unu
329   </Type>                                                                                                                  
330 
331   <Event name="G1EvacuationYoungStatistics" category="Java Virtual Machine, GC, Detailed" label="G1 Evacuation Statistics f
332     description="Memory related evacuation statistics during GC for the young generation">                                 
333     <Field type="G1EvacuationStatistics" struct="true" name="statistics" label="Evacuation Statistics" />                  
334   </Event>                                                                                                                 
335 
336   <Event name="G1EvacuationOldStatistics" category="Java Virtual Machine, GC, Detailed" label="G1 Evacuation Memory Statist
337     description="Memory related evacuation statistics during GC for the old generation">                                   
338     <Field type="G1EvacuationStatistics" struct="true" name="statistics" label="Evacuation Statistics" />                  
339   </Event>                                                                                                                 
340 
341   <Event name="G1BasicIHOP" category="Java Virtual Machine, GC, Detailed" label="G1 Basic IHOP Statistics" startTime="false
342     description="Basic statistics related to current IHOP calculation">                                                    
343     <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" />                                                
344     <Field type="ulong" contentType="bytes" name="threshold" label="Current IHOP Threshold" description="Current IHOP thres
345     <Field type="float" contentType="percentage" name="thresholdPercentage" label="Current IHOP Threshold" description="Cur
346     <Field type="ulong" contentType="bytes" name="targetOccupancy" label="Target Occupancy" description="Target old generat
347     <Field type="ulong" contentType="bytes" name="currentOccupancy" label="Current Occupancy" description="Current old gene
348     <Field type="ulong" contentType="bytes" name="recentMutatorAllocationSize" label="Recent Mutator Allocation Size"      
349       description="Mutator allocation during mutator operation in the most recent interval" />                             
350     <Field type="long" contentType="millis" name="recentMutatorDuration" label="Recent Mutator Duration" description="Time 
351     <Field type="double" name="recentAllocationRate" label="Recent Allocation Rate" description="Allocation rate of the mut
352     <Field type="long" contentType="millis" name="lastMarkingDuration" label="Last Marking Duration" description="Last time
353   </Event>                                                                                                                 
354 
355   <Event name="G1AdaptiveIHOP" category="Java Virtual Machine, GC, Detailed" label="G1 Adaptive IHOP Statistics" startTime=
356     description="Statistics related to current adaptive IHOP calculation">                                                 
357     <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" />                                                
358     <Field type="ulong" contentType="bytes" name="threshold" label="Threshold" description="Current IHOP Threshold" />     
359     <Field type="float" contentType="percentage" name="thresholdPercentage" label="Threshold" description="Current IHOP thr
360     <Field type="ulong" contentType="bytes" name="ihopTargetOccupancy" label="IHOP Target Occupancy" description="Internal 
361     <Field type="ulong" contentType="bytes" name="currentOccupancy" label="Current Occupancy" description="Current old gene
362     <Field type="ulong" contentType="bytes" name="additionalBufferSize" label="Additional Buffer" description="Additional b
363     <Field type="double" name="predictedAllocationRate" label="Predicted Allocation Rate" description="Current predicted al
364     <Field type="long" contentType="millis" name="predictedMarkingDuration" label="Predicted Marking Duration"             
365       description="Current predicted time from the end of the last initial mark to the first mixed GC" />                  
366     <Field type="boolean" name="predictionActive" label="Prediction Active" description="Indicates whether the adaptive IHO
367   </Event>                                                                                                                 
368 
369   <Event name="PromoteObjectInNewPLAB" category="Java Virtual Machine, GC, Detailed" label="Promotion in new PLAB"         
370     description="Object survived scavenge and was copied to a new Promotion Local Allocation Buffer (PLAB). Supported GCs a
371     thread="true" stackTrace="false" startTime="false">                                                                    
372     <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" description="Identifier signifying GC during which
373     <Field type="Class" name="objectClass" label="Object Class" description="Class of promoted object" />                  
374     <Field type="ulong" contentType="bytes" name="objectSize" label="Object Size" description="Size of promoted object" /> 
375     <Field type="uint" name="tenuringAge" label="Object Tenuring Age"                                                      
376       description="Tenuring age of a surviving object before being copied. The tenuring age of an object is a value between
377     <Field type="boolean" name="tenured" label="Tenured" description="True if object was promoted to Old space, otherwise t
378     <Field type="ulong" contentType="bytes" name="plabSize" label="PLAB Size" description="Size of the allocated PLAB to wh
379   </Event>                                                                                                                 
380 
381   <Event name="PromoteObjectOutsidePLAB" category="Java Virtual Machine, GC, Detailed" label="Promotion outside PLAB"      
382     description="Object survived scavenge and was copied directly to the heap. Supported GCs are Parallel Scavange, G1 and 
383     thread="true" stackTrace="false" startTime="false">                                                                    
384     <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" description="Identifier signifying GC during which
385     <Field type="Class" name="objectClass" label="Object Class" description="Class of promoted object" />                  
386     <Field type="ulong" contentType="bytes" name="objectSize" label="Object Size" description="Size of promoted object" /> 
387     <Field type="uint" name="tenuringAge" label="Object Tenuring Age"                                                      
388       description="Tenuring age of a surviving object before being copied. The tenuring age of an object is a value between
389     <Field type="boolean" name="tenured" label="Tenured" description="True if object was promoted to Old space, otherwise t
390   </Event>                                                                                                                 
391 
392   <Event name="PromotionFailed" category="Java Virtual Machine, GC, Detailed" label="Promotion Failed" startTime="false" de
393     <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" />                                                
394     <Field type="CopyFailed" struct="true" name="promotionFailed" label="Promotion Failed Data" />                         
395     <Field type="Thread" name="thread" label="Running thread" />                                                           
396   </Event>                                                                                                                 
397 
398   <Event name="EvacuationFailed" category="Java Virtual Machine, GC, Detailed" label="Evacuation Failed" startTime="false" 
399     <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" />                                                
400     <Field type="CopyFailed" struct="true" name="evacuationFailed" label="Evacuation Failed Data" />                       
401   </Event>                                                                                                                 
402 
403   <Event name="ConcurrentModeFailure" category="Java Virtual Machine, GC, Detailed" label="Concurrent Mode Failure" startTi
404     <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" />                                                
405   </Event>                                                                                                                 
406 
407   <Event name="GCPhasePause" category="Java Virtual Machine, GC, Phases" label="GC Phase Pause" thread="true">             
408     <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" />                                                
409     <Field type="string" name="name" label="Name" />                                                                       
410   </Event>                                                                                                                 
411 
412   <Event name="GCPhasePauseLevel1" category="Java Virtual Machine, GC, Phases" label="GC Phase Pause Level 1" thread="true"
413     <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" />                                                
414     <Field type="string" name="name" label="Name" />                                                                       
415   </Event>                                                                                                                 
416 
417   <Event name="GCPhasePauseLevel2" category="Java Virtual Machine, GC, Phases" label="GC Phase Pause Level 2" thread="true"
418     <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" />                                                
419     <Field type="string" name="name" label="Name" />                                                                       
420   </Event>                                                                                                                 
421 
422   <Event name="GCPhasePauseLevel3" category="Java Virtual Machine, GC, Phases" label="GC Phase Pause Level 3" thread="true"
423     <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" />                                                
424     <Field type="string" name="name" label="Name" />                                                                       
425   </Event>                                                                                                                 
426 
427   <Event name="GCPhasePauseLevel4" category="Java Virtual Machine, GC, Phases" label="GC Phase Pause Level 4" thread="true"
428     <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" />                                                
429     <Field type="string" name="name" label="Name" />                                                                       
430   </Event>                                                                                                                 
431 
432   <Event name="GCPhaseConcurrent" category="Java Virtual Machine, GC, Phases" label="GC Phase Concurrent" thread="true">   
433     <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" />                                                
434     <Field type="string" name="name" label="Name" />                                                                       
435   </Event>                                                                                                                 
436 
                                                                                                                           
                                                                                                                           
                                                                                                                           
                                                                                                                           
                                                                                                                           
                                                                                                                           
                                                                                                                           
437   <Event name="AllocationRequiringGC" category="Java Virtual Machine, GC, Detailed" label="Allocation Requiring GC" thread=
438     startTime="false">                                                                                                     
439     <Field type="uint" name="gcId" label="Pending GC Identifier" relation="GcId" />                                        
440     <Field type="ulong" contentType="bytes" name="size" label="Allocation Size" />                                         
441   </Event>                                                                                                                 
442 
443   <Event name="TenuringDistribution" category="Java Virtual Machine, GC, Detailed" label="Tenuring Distribution" startTime=
444     <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" />                                                
445     <Field type="uint" name="age" label="Age" />                                                                           
446     <Field type="ulong" contentType="bytes" name="size" label="Size" />                                                    
447   </Event>                                                                                                                 
448 
449   <Event name="G1HeapRegionTypeChange" category="Java Virtual Machine, GC, Detailed" label="G1 Heap Region Type Change" des
450     startTime="false">                                                                                                     
451     <Field type="uint" name="index" label="Index" />                                                                       
452     <Field type="G1HeapRegionType" name="from" label="From" />                                                             
453     <Field type="G1HeapRegionType" name="to" label="To" />                                                                 
454     <Field type="ulong" contentType="address" name="start" label="Start" />                                                
455     <Field type="ulong" contentType="bytes" name="used" label="Used" />                                                    
456   </Event>                                                                                                                 
457 
458   <Event name="Compilation" category="Java Virtual Machine, Compiler" label="Compilation" thread="true">                   
459     <Field type="Method" name="method" label="Java Method" />                                                              
460     <Field type="uint" name="compileId" label="Compilation Identifier" relation="CompileId" />                             
461     <Field type="ushort" name="compileLevel" label="Compilation Level" />                                                  
462     <Field type="boolean" name="succeded" label="Succeeded" />                                                             
463     <Field type="boolean" name="isOsr" label="On Stack Replacement" />                                                     
464     <Field type="ulong" contentType="bytes" name="codeSize" label="Compiled Code Size" />                                  
465     <Field type="ulong" contentType="bytes" name="inlinedBytes" label="Inlined Code Size" />                               
466   </Event>                                                                                                                 
467 
468   <Event name="CompilerPhase" category="Java Virtual Machine, Compiler" label="Compiler Phase" thread="true" >             
469     <Field type="CompilerPhaseType" name="phase" label="Compile Phase" />                                                  
470     <Field type="uint" name="compileId" label="Compilation Identifier" relation="CompileId" />                             
471     <Field type="ushort" name="phaseLevel" label="Phase Level" />                                                          
472   </Event>                                                                                                                 
473 
474   <Event name="CompilationFailure" category="Java Virtual Machine, Compiler" label="Compilation Failure" thread="true"  sta
475     <Field type="string" name="failureMessage" label="Failure Message" />                                                  
476     <Field type="uint" name="compileId" label="Compilation Identifier" relation="CompileId" />                             
477   </Event>                                                                                                                 
478                                                                                                                            
479   <Type name="CalleeMethod">                                                                                               
480     <Field type="string" name="type" label="Class" />                                                                      
481     <Field type="string" name="name" label="Method Name" />                                                                
482     <Field type="string" name="descriptor" label="Method Descriptor" />                                                    
483   </Type>                                                                                                                  
484 
485   <Event name="CompilerInlining" category="Java Virtual Machine, Compiler, Optimization" label="Method Inlining" thread="tr
486     <Field type="uint" name="compileId" label="Compilation Identifier" relation="CompileId" />                             
487     <Field type="Method" name="caller" label="Caller Method" />                                                            
488     <Field type="CalleeMethod" name="callee" struct="true" label="Callee Method" />                                        
489     <Field type="boolean" name="succeeded" label="Succeeded" />                                                            
490     <Field type="string" name="message" label="Message" />                                                                 
491     <Field type="int" name="bci" label="Byte Code Index" />                                                                
492   </Event>                                                                                                                 
493 
494   <Event name="SweepCodeCache" category="Java Virtual Machine, Code Sweeper" label="Sweep Code Cache" thread="true" >      
495     <Field type="int" name="sweepId" label="Sweep Identifier" relation="SweepId" />                                        
496     <Field type="uint" name="sweptCount" label="Methods Swept" />                                                          
497     <Field type="uint" name="flushedCount" label="Methods Flushed" />                                                      
498     <Field type="uint" name="zombifiedCount" label="Methods Zombified" />                                                  
499   </Event>                                                                                                                 
500 
501   <Event name="CodeCacheFull" category="Java Virtual Machine, Code Cache" label="Code Cache Full" thread="true" startTime="
502     <Field type="CodeBlobType" name="codeBlobType" label="Code Heap" />                                                    
503     <Field type="ulong" contentType="address" name="startAddress" label="Start Address" />                                 
504     <Field type="ulong" contentType="address" name="commitedTopAddress" label="Commited Top" />                            
505     <Field type="ulong" contentType="address" name="reservedTopAddress" label="Reserved Top" />                            
506     <Field type="int" name="entryCount" label="Entries" />                                                                 
507     <Field type="int" name="methodCount" label="Methods" />                                                                
508     <Field type="int" name="adaptorCount" label="Adaptors" />                                                              
509     <Field type="ulong" contentType="bytes" name="unallocatedCapacity" label="Unallocated" />                              
510     <Field type="int" name="fullCount" label="Full Count" />                                                               
511   </Event>                                                                                                                 
512 
513   <Event name="SafepointBegin" category="Java Virtual Machine, Runtime, Safepoint" label="Safepoint Begin" description="Saf
514     <Field type="int" name="safepointId" label="Safepoint Identifier" relation="SafepointId" />                            
515     <Field type="int" name="totalThreadCount" label="Total Threads" description="The total number of threads at the start o
516     <Field type="int" name="jniCriticalThreadCount" label="JNI Critical Threads" description="The number of threads in JNI 
517   </Event>                                                                                                                 
518 
519   <Event name="SafepointStateSynchronization" category="Java Virtual Machine, Runtime, Safepoint" label="Safepoint State Sy
520     thread="true">                                                                                                         
521     <Field type="int" name="safepointId" label="Safepoint Identifier" relation="SafepointId" />                            
522     <Field type="int" name="initialThreadCount" label="Initial Threads" description="The number of threads running at the b
523     <Field type="int" name="runningThreadCount" label="Running Threads" description="The number of threads still running" /
524     <Field type="int" name="iterations" label="Iterations" description="Number of state check iterations" />               
525   </Event>                                                                                                                 
526 
527   <Event name="SafepointWaitBlocked" category="Java Virtual Machine, Runtime, Safepoint" label="Safepoint Wait Blocked" des
528     thread="true">                                                                                                         
529     <Field type="int" name="safepointId" label="Safepoint Identifier" relation="SafepointId" />                            
530     <Field type="int" name="runningThreadCount" label="Running Threads" description="The number running of threads wait for
531   </Event>                                                                                                                 
532 
533   <Event name="SafepointCleanup" category="Java Virtual Machine, Runtime, Safepoint" label="Safepoint Cleanup" description=
534     thread="true">                                                                                                         
535     <Field type="int" name="safepointId" label="Safepoint Identifier" relation="SafepointId" />                            
536   </Event>                                                                                                                 
537 
538   <Event name="SafepointCleanupTask" category="Java Virtual Machine, Runtime, Safepoint" label="Safepoint Cleanup Task" des
539     thread="true">                                                                                                         
540     <Field type="int" name="safepointId" label="Safepoint Identifier" relation="SafepointId" />                            
541     <Field type="string" name="name" label="Task Name" description="The task name" />                                      
542   </Event>                                                                                                                 
543 
544   <Event name="SafepointEnd" category="Java Virtual Machine, Runtime, Safepoint" label="Safepoint End" description="Safepoi
545     <Field type="int" name="safepointId" label="Safepoint Identifier" relation="SafepointId" />                            
546   </Event>                                                                                                                 
547 
548   <Event name="ExecuteVMOperation" category="Java Virtual Machine, Runtime" label="VM Operation" description="Execution of 
549     <Field type="VMOperationType" name="operation" label="Operation" />                                                    
550     <Field type="boolean" name="safepoint" label="At Safepoint" description="If the operation occured at a safepoint" />   
551     <Field type="boolean" name="blocking" label="Caller Blocked" description="If the calling thread was blocked until the o
552     <Field type="Thread" name="caller" label="Caller" transition="from"                                                    
553       description="Thread requesting operation. If non-blocking, will be set to 0 indicating thread is unknown" />         
554     <Field type="int" name="safepointId" label="Safepoint Identifier" description="The safepoint (if any) under which this 
555       relation="SafepointId" />                                                                                            
556   </Event>                                                                                                                 
557 
558   <Event name="Shutdown" category="Java Virtual Machine, Runtime" label="VM Shutdown" description="VM shutting down" thread
559     startTime="false">                                                                                                     
560     <Field type="string" name="reason" label="Reason" description="Reason for VM shutdown" />                              
561   </Event>                                                                                                                 
562 
563   <Event name="ObjectAllocationInNewTLAB" category="Java Application" label="Allocation in new TLAB" description="Allocatio
564     thread="true" stackTrace="true" startTime="false">                                                                     
565     <Field type="Class" name="objectClass" label="Object Class" description="Class of allocated object" />                 
566     <Field type="ulong" contentType="bytes" name="allocationSize" label="Allocation Size" />                               
567     <Field type="ulong" contentType="bytes" name="tlabSize" label="TLAB Size" />                                           
568   </Event>                                                                                                                 
569 
570   <Event name="ObjectAllocationOutsideTLAB" category="Java Application" label="Allocation outside TLAB" description="Alloca
571     thread="true" stackTrace="true" startTime="false">                                                                     
572     <Field type="Class" name="objectClass" label="Object Class" description="Class of allocated object" />                 
573     <Field type="ulong" contentType="bytes" name="allocationSize" label="Allocation Size" />                               
574   </Event>                                                                                                                 
575 
576   <Event name="OldObjectSample" category="Java Application" label="Old Object Sample" description="A potential memory leak"
577     startTime="false" cutoff="true">                                                                                       
578     <Field type="Ticks" name="allocationTime" label="Allocation Time" />                                                   
579     <Field type="ulong" contentType="bytes" name="lastKnownHeapUsage" label="Last Known Heap Usage" />                     
580     <Field type="OldObject" name="object" label="Object" />                                                                
581     <Field type="int" name="arrayElements" label="Array Elements" description="If the object is an array, the number of ele
582     <Field type="OldObjectGcRoot" name="root" label="GC Root" />                                                           
583   </Event>                                                                                                                 
584 
585   <Event name="DumpReason" category="Flight Recorder" label="Recording Reason"                                             
586          description="Who requested the recording and why"                                                                 
587          startTime="false">                                                                                                
588     <Field type="string" name="reason" label="Reason" description="Reason for writing recording data to disk" />           
589     <Field type="int" name="recordingId" label="Recording Id" description="Id of the recording that triggered the dump, or 
590   </Event>                                                                                                                 
591 
592   <Event name="DataLoss" category="Flight Recorder" label="Data Loss"                                                      
593          description="Data could not be copied out from a buffer, typically because of contention"                         
594          startTime="false">                                                                                                
595     <Field type="ulong" contentType="bytes" name="amount" label="Amount" description="Amount lost data" />                 
596     <Field type="ulong" contentType="bytes" name="total" label="Total" description="Total lost amount for thread" />       
597   </Event>                                                                                                                 
598 
599   <Event name="JVMInformation" category="Java Virtual Machine" label="JVM Information"                                     
600          description="Description of JVM and the Java application"                                                         
601          period="endChunk">                                                                                                
602     <Field type="string" name="jvmName" label="JVM Name" />                                                                
603     <Field type="string" name="jvmVersion" label="JVM Version" />                                                          
604     <Field type="string" name="jvmArguments" label="JVM Command Line Arguments" />                                         
605     <Field type="string" name="jvmFlags" label="JVM Settings File Arguments" />                                            
606     <Field type="string" name="javaArguments" label="Java Application Arguments" />                                        
607     <Field type="long" contentType="epochmillis" name="jvmStartTime" label="JVM Start Time" />                             
608   </Event>                                                                                                                 
609 
610   <Event name="OSInformation" category="Operating System" label="OS Information" period="endChunk">                        
611     <Field type="string" name="osVersion" label="OS Version" />                                                            
612   </Event>                                                                                                                 
613 
614   <Event name="InitialSystemProperty" category="Java Virtual Machine" label="Initial System Property" description="System P
615     <Field type="string" name="key" label="Key" />                                                                         
616     <Field type="string" name="value" label="Value" />                                                                     
617   </Event>                                                                                                                 
618 
619   <Event name="InitialEnvironmentVariable" category="Operating System" label="Initial Environment Variable" period="endChun
620     <Field type="string" name="key" label="Key" />                                                                         
621     <Field type="string" name="value" label="Value" />                                                                     
622   </Event>                                                                                                                 
623 
624   <Event name="SystemProcess" category="Operating System" label="System Process" period="endChunk">                        
625     <Field type="string" name="pid" label="Process Identifier" />                                                          
626     <Field type="string" name="commandLine" label="Command Line" />                                                        
627   </Event>                                                                                                                 
628 
629   <Event name="CPUInformation" category="Operating System, Processor" label="CPU Information" period="endChunk">           
630     <Field type="string" name="cpu" label="Type" />                                                                        
631     <Field type="string" name="description" label="Description" />                                                         
632     <Field type="uint" name="sockets" label="Sockets" />                                                                   
633     <Field type="uint" name="cores" label="Cores" />                                                                       
634     <Field type="uint" name="hwThreads" label="Hardware Threads" />                                                        
635   </Event>                                                                                                                 
636 
637   <Event name="CPUTimeStampCounter" category="Operating System, Processor" label="CPU Time Stamp Counter" period="endChunk"
638     <Field type="boolean" name="fastTimeEnabled" label="Fast Time" />                                                      
639     <Field type="boolean" name="fastTimeAutoEnabled" label="Trusted Platform" />                                           
640     <Field type="long" name="osFrequency" label="OS Frequency Per Second" />                                               
641     <Field type="long" name="fastTimeFrequency" label="Fast Time Frequency per Second" />                                  
642   </Event>                                                                                                                 
643 
644   <Event name="CPULoad" category="Operating System, Processor" label="CPU Load" description="OS CPU Load" period="everyChun
645     <Field type="float" contentType="percentage" name="jvmUser" label="JVM User" />                                        
646     <Field type="float" contentType="percentage" name="jvmSystem" label="JVM System" />                                    
647     <Field type="float" contentType="percentage" name="machineTotal" label="Machine Total" />                              
648   </Event>                                                                                                                 
649 
650   <Event name="ThreadCPULoad" category="Operating System, Processor" label="Thread CPU Load" period="everyChunk" thread="tr
651     <Field type="float" contentType="percentage" name="user" label="User Mode CPU Load" description="User mode thread CPU l
652     <Field type="float" contentType="percentage" name="system" label="System Mode CPU Load" description="System mode thread
653   </Event>                                                                                                                 
654 
655   <Event name="ThreadContextSwitchRate" category="Operating System, Processor" label="Thread Context Switch Rate" period="e
656     <Field type="float" name="switchRate" label="Switch Rate" description="Number of context switches per second" />       
657   </Event>                                                                                                                 
658 
659   <Event name="NetworkUtilization" category="Operating System, Network" label="Network Utilization" period="everyChunk">   
660     <Field type="NetworkInterfaceName" name="networkInterface" label="Network Interface" description="Network Interface Nam
661     <Field type="long" contentType="bytes" name="readRate" label="Read Rate" description="Number of incoming bytes per seco
662     <Field type="long" contentType="bytes" name="writeRate" label="Write Rate" description="Number of outgoing bytes per se
663   </Event>                                                                                                                 
664 
665   <Event name="JavaThreadStatistics" category="Java Application, Statistics" label="Java Thread Statistics" period="everyCh
666     <Field type="long" name="activeCount" label="Active Threads" description="Number of live active threads including both 
667     <Field type="long" name="daemonCount" label="Daemon Threads" description="Number of live daemon threads" />            
668     <Field type="long" name="accumulatedCount" label="Accumulated Threads" description="Number of threads created and also 
669     <Field type="long" name="peakCount" label="Peak Threads" description="Peak live thread count since JVM start or when pe
670   </Event>                                                                                                                 
671 
672   <Event name="ClassLoadingStatistics" category="Java Application, Statistics" label="Class Loading Statistics" period="eve
673     <Field type="long" name="loadedClassCount" label="Loaded Class Count" description="Number of classes loaded since JVM s
674     <Field type="long" name="unloadedClassCount" label="Unloaded Class Count" description="Number of classes unloaded since
675   </Event>                                                                                                                 
676 
677   <Event name="ClassLoaderStatistics" category="Java Application, Statistics" label="Class Loader Statistics" period="every
678     <Field type="ClassLoader" name="classLoader" label="Class Loader" />                                                   
679     <Field type="ClassLoader" name="parentClassLoader" label="Parent Class Loader" />                                      
680     <Field type="ulong" contentType="address" name="classLoaderData" label="ClassLoaderData pointer" description="Pointer t
681     <Field type="long" name="classCount" label="Classes" description="Number of loaded classes" />                         
682     <Field type="ulong" contentType="bytes" name="chunkSize" label="Total Chunk Size" description="Total size of all alloca
683     <Field type="ulong" contentType="bytes" name="blockSize" label="Total Block Size" description="Total size of all alloca
684     <Field type="long" name="unsafeAnonymousClassCount" label="Unsafe Anonymous Classes" description="Number of loaded clas
685     <Field type="ulong" contentType="bytes" name="unsafeAnonymousChunkSize" label="Total Unsafe Anonymous Classes Chunk Siz
686       description="Total size of all allocated metaspace chunks for unsafe anonymous classes (each chunk has several blocks
687     <Field type="ulong" contentType="bytes" name="unsafeAnonymousBlockSize" label="Total Unsafe Anonymous Classes Block Siz
688       description="Total size of all allocated metaspace blocks for unsafe anonymous classes (each chunk has several blocks
689   </Event>                                                                                                                 
690 
691   <Event name="ThreadAllocationStatistics" category="Java Application, Statistics" label="Thread Allocation Statistics" per
692     <Field type="ulong" contentType="bytes" name="allocated" label="Allocated" description="Approximate number of bytes all
693     <Field type="Thread" name="thread" label="Thread" />                                                                   
694   </Event>                                                                                                                 
695 
696   <Event name="PhysicalMemory" category="Operating System, Memory" label="Physical Memory" description="OS Physical Memory"
697     <Field type="ulong" contentType="bytes" name="totalSize" label="Total Size" description="Total amount of physical memor
698     <Field type="ulong" contentType="bytes" name="usedSize" label="Used Size" description="Total amount of physical memory 
699   </Event>                                                                                                                 
700 
701   <Event name="ExecutionSample" category="Java Virtual Machine, Profiling" label="Method Profiling Sample" description="Sna
702     period="everyChunk">                                                                                                   
703     <Field type="Thread" name="sampledThread" label="Thread" />                                                            
704     <Field type="StackTrace" name="stackTrace" label="Stack Trace" />                                                      
705     <Field type="ThreadState" name="state" label="Thread State" />                                                         
706   </Event>                                                                                                                 
707 
708   <Event name="NativeMethodSample" category="Java Virtual Machine, Profiling" label="Method Profiling Sample Native" descri
709     period="everyChunk">                                                                                                   
710     <Field type="Thread" name="sampledThread" label="Thread" />                                                            
711     <Field type="StackTrace" name="stackTrace" label="Stack Trace" />                                                      
712     <Field type="ThreadState" name="state" label="Thread State" />                                                         
713   </Event>                                                                                                                 
714 
715   <Event name="ThreadDump" category="Java Virtual Machine, Runtime" label="Thread Dump" period="everyChunk">               
716     <Field type="string" name="result" label="Thread Dump" />                                                              
717   </Event>                                                                                                                 
718 
719   <Event name="NativeLibrary" category="Java Virtual Machine, Runtime" label="Native Library" period="everyChunk">         
720     <Field type="string" name="name" label="Name" />                                                                       
721     <Field type="ulong" contentType="address" name="baseAddress" label="Base Address" description="Starting address of the 
722     <Field type="ulong" contentType="address" name="topAddress" label="Top Address" description="Ending address of the modu
723   </Event>                                                                                                                 
724 
725   <Event name="ModuleRequire" category="Java Virtual Machine, Runtime, Modules" label="Module Require" thread="false" perio
726     description="A directed edge representing a dependency">                                                               
727     <Field type="Module" name="source" label="Source Module" />                                                            
728     <Field type="Module" name="requiredModule" label="Required Module" />                                                  
729   </Event>                                                                                                                 
730 
731   <Event name="ModuleExport" category="Java Virtual Machine, Runtime, Modules" label="Module Export" thread="false" period=
732     <Field type="Package" name="exportedPackage" label="Exported Package" />                                               
733     <Field type="Module" name="targetModule" label="Target Module"                                                         
734       description="Module to which the package is qualifiedly exported.                                                    
735              If null, the package is unqualifiedly exported" />                                                            
736   </Event>                                                                                                                 
737 
738   <Event name="CompilerStatistics" category="Java Virtual Machine, Compiler" label="Compiler Statistics" thread="false" per
739     <Field type="int" name="compileCount" label="Compiled Methods" />                                                      
740     <Field type="int" name="bailoutCount" label="Bailouts" />                                                              
741     <Field type="int" name="invalidatedCount" label="Invalidated Compilations" />                                          
742     <Field type="int" name="osrCompileCount" label="OSR Compilations" />                                                   
743     <Field type="int" name="standardCompileCount" label="Standard Compilations" />                                         
744     <Field type="ulong" contentType="bytes" name="osrBytesCompiled" label="OSR Bytes Compiled" />                          
745     <Field type="ulong" contentType="bytes" name="standardBytesCompiled" label="Standard Bytes Compiled" />                
746     <Field type="ulong" contentType="bytes" name="nmetodsSize" label="Compilation Resulting Size" />                       
747     <Field type="ulong" contentType="bytes" name="nmetodCodeSize" label="Compilation Resulting Code Size" />               
748     <Field type="long" contentType="millis" name="peakTimeSpent" label="Peak Time" />                                      
749     <Field type="long" contentType="millis" name="totalTimeSpent" label="Total time" />                                    
750   </Event>                                                                                                                 
751 
752   <Event name="CompilerConfiguration" category="Java Virtual Machine, Compiler" label="Compiler Configuration" thread="fals
753     <Field type="int" name="threadCount" label="Thread Count" />                                                           
754     <Field type="boolean" name="tieredCompilation" label="Tiered Compilation" />                                           
755   </Event>                                                                                                                 
756 
757   <Event name="CodeCacheStatistics" category="Java Virtual Machine, Code Cache" label="Code Cache Statistics" thread="false
758     <Field type="CodeBlobType" name="codeBlobType" label="Code Heap" />                                                    
759     <Field type="ulong" contentType="address" name="startAddress" label="Start Address" />                                 
760     <Field type="ulong" contentType="address" name="reservedTopAddress" label="Reserved Top" />                            
761     <Field type="int" name="entryCount" label="Entries" />                                                                 
762     <Field type="int" name="methodCount" label="Methods" />                                                                
763     <Field type="int" name="adaptorCount" label="Adaptors" />                                                              
764     <Field type="ulong" contentType="bytes" name="unallocatedCapacity" label="Unallocated" />                              
765     <Field type="int" name="fullCount" label="Full Count" />                                                               
766   </Event>                                                                                                                 
767 
768   <Event name="CodeCacheConfiguration" category="Java Virtual Machine, Code Cache" label="Code Cache Configuration" thread=
769     <Field type="ulong" contentType="bytes" name="initialSize" label="Initial Size" />                                     
770     <Field type="ulong" contentType="bytes" name="reservedSize" label="Reserved Size" />                                   
771     <Field type="ulong" contentType="bytes" name="nonNMethodSize" label="Non-nmethod Size" />                              
772     <Field type="ulong" contentType="bytes" name="profiledSize" label="Profiled Size" />                                   
773     <Field type="ulong" contentType="bytes" name="nonProfiledSize" label="Non-profiled Size" />                            
774     <Field type="ulong" contentType="bytes" name="expansionSize" label="Expansion size" />                                 
775     <Field type="ulong" contentType="bytes" name="minBlockLength" label="Minimum Block Length" />                          
776     <Field type="ulong" contentType="address" name="startAddress" label="Start Address" />                                 
777     <Field type="ulong" contentType="address" name="reservedTopAddress" label="Reserved Top" />                            
778   </Event>                                                                                                                 
779 
780   <Event name="CodeSweeperStatistics" category="Java Virtual Machine, Code Sweeper" label="Code Sweeper Statistics" thread=
781     <Field type="int" name="sweepCount" label="Sweeps" />                                                                  
782     <Field type="int" name="methodReclaimedCount" label="Methods Reclaimed" />                                             
783     <Field type="Tickspan" name="totalSweepTime" label="Time Spent Sweeping" />                                            
784     <Field type="Tickspan" name="peakFractionTime" label="Peak Time Fraction Sweep" />                                     
785     <Field type="Tickspan" name="peakSweepTime" label="Peak Time Full Sweep" />                                            
786   </Event>                                                                                                                 
787 
788   <Event name="CodeSweeperConfiguration" category="Java Virtual Machine, Code Sweeper" label="Code Sweeper Configuration" t
789     <Field type="boolean" name="sweeperEnabled" label="Code Sweeper Enabled" />                                            
790     <Field type="boolean" name="flushingEnabled" label="Code Cache Flushing Enabled" />                                    
791   </Event>                                                                                                                 
792 
793   <Event name="IntFlag" category="Java Virtual Machine, Flag" period="endChunk" label="Int Flag">                          
794     <Field type="string" name="name" label="Name" />                                                                       
795     <Field type="int" name="value" label="Value" />                                                                        
796     <Field type="FlagValueOrigin" name="origin" label="Origin" />                                                          
797   </Event>                                                                                                                 
798 
799   <Event name="UnsignedIntFlag" category="Java Virtual Machine, Flag" period="endChunk" label="Unsigned Int Flag">         
800     <Field type="string" name="name" label="Name" />                                                                       
801     <Field type="uint" name="value" label="Value" />                                                                       
802     <Field type="FlagValueOrigin" name="origin" label="Origin" />                                                          
803   </Event>                                                                                                                 
804 
805   <Event name="LongFlag" category="Java Virtual Machine, Flag" period="endChunk" label="Long Flag">                        
806     <Field type="string" name="name" label="Name" />                                                                       
807     <Field type="long" name="value" label="Value" />                                                                       
808     <Field type="FlagValueOrigin" name="origin" label="Origin" />                                                          
809   </Event>                                                                                                                 
810 
811   <Event name="UnsignedLongFlag" category="Java Virtual Machine, Flag" period="endChunk" label="Unsigned Long Flag">       
812     <Field type="string" name="name" label="Name" />                                                                       
813     <Field type="ulong" name="value" label="Value" />                                                                      
814     <Field type="FlagValueOrigin" name="origin" label="Origin" />                                                          
815   </Event>                                                                                                                 
816 
817   <Event name="DoubleFlag" category="Java Virtual Machine, Flag" period="endChunk" label="Double Flag">                    
818     <Field type="string" name="name" label="Name" />                                                                       
819     <Field type="double" name="value" label="Value" />                                                                     
820     <Field type="FlagValueOrigin" name="origin" label="Origin" />                                                          
821   </Event>                                                                                                                 
822 
823   <Event name="BooleanFlag" category="Java Virtual Machine, Flag" period="endChunk" label="Boolean Flag">                  
824     <Field type="string" name="name" label="Name" />                                                                       
825     <Field type="boolean" name="value" label="Value" />                                                                    
826     <Field type="FlagValueOrigin" name="origin" label="Origin" />                                                          
827   </Event>                                                                                                                 
828 
829   <Event name="StringFlag" category="Java Virtual Machine, Flag" period="endChunk" label="String Flag">                    
830     <Field type="string" name="name" label="Name" />                                                                       
831     <Field type="string" name="value" label="Value" />                                                                     
832     <Field type="FlagValueOrigin" name="origin" label="Origin" />                                                          
833   </Event>                                                                                                                 
834 
835   <Event name="ObjectCount" category="Java Virtual Machine, GC, Detailed" startTime="false" period="everyChunk" label="Obje
836     <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" />                                                
837     <Field type="Class" name="objectClass" label="Object Class" />                                                         
838     <Field type="long" name="count" label="Count" />                                                                       
839     <Field type="ulong" contentType="bytes" name="totalSize" label="Total Size" />                                         
840   </Event>                                                                                                                 
841 
842   <Event name="G1HeapRegionInformation" category="Java Virtual Machine, GC, Detailed" label="G1 Heap Region Information" de
843     period="everyChunk">                                                                                                   
844     <Field type="uint" name="index" label="Index" />                                                                       
845     <Field type="G1HeapRegionType" name="type" label="Type" />                                                             
846     <Field type="ulong" contentType="address" name="start" label="Start" />                                                
847     <Field type="ulong" contentType="bytes" name="used" label="Used" />                                                    
848   </Event>                                                                                                                 
849 
850   <Event name="GCConfiguration" category="Java Virtual Machine, GC, Configuration" label="GC Configuration" description="Th
851     period="endChunk">                                                                                                     
852     <Field type="GCName" name="youngCollector" label="Young Garbage Collector" description="The garbage collector used for 
853     <Field type="GCName" name="oldCollector" label="Old Garbage Collector" description="The garbage collector used for the 
854     <Field type="uint" name="parallelGCThreads" label="Parallel GC Threads" description="Number of parallel threads to use 
855     <Field type="uint" name="concurrentGCThreads" label="Concurrent GC Threads" description="Number of concurrent threads t
856     <Field type="boolean" name="usesDynamicGCThreads" label="Uses Dynamic GC Threads" description="Whether a dynamic number
857     <Field type="boolean" name="isExplicitGCConcurrent" label="Concurrent Explicit GC" description="Whether System.gc() is 
858     <Field type="boolean" name="isExplicitGCDisabled" label="Disabled Explicit GC" description="Whether System.gc() will ca
859     <Field type="long" contentType="millis" name="pauseTarget" label="Pause Target" description="Target for GC pauses" />  
860     <Field type="uint" name="gcTimeRatio" label="GC Time Ratio" description="Target for runtime vs garbage collection time"
861   </Event>                                                                                                                 
862 
863   <Event name="GCSurvivorConfiguration" category="Java Virtual Machine, GC, Configuration" label="GC Survivor Configuration
864     description="The configuration of the survivors of garbage collection" period="endChunk">                              
865     <Field type="ubyte" name="maxTenuringThreshold" label="Maximum Tenuring Threshold" description="Upper limit for the age
866     <Field type="ubyte" name="initialTenuringThreshold" label="Initial Tenuring Threshold" description="Initial age limit f
867   </Event>                                                                                                                 
868 
869   <Event name="GCTLABConfiguration" category="Java Virtual Machine, GC, Configuration" label="TLAB Configuration"          
870     description="The configuration of the Thread Local Allocation Buffers (TLABs)" period="endChunk">                      
871     <Field type="boolean" name="usesTLABs" label="TLABs Used" description="If Thread Local Allocation Buffers (TLABs) are i
872     <Field type="ulong" contentType="bytes" name="minTLABSize" label="Minimum TLAB Size" />                                
873     <Field type="ulong" contentType="bytes" name="tlabRefillWasteLimit" label="TLAB Refill Waste Limit" />                 
874   </Event>                                                                                                                 
875 
876   <Event name="GCHeapConfiguration" category="Java Virtual Machine, GC, Configuration" label="GC Heap Configuration" descri
877     period="endChunk">                                                                                                     
878     <Field type="ulong" contentType="bytes" name="minSize" label="Minimum Heap Size" />                                    
879     <Field type="ulong" contentType="bytes" name="maxSize" label="Maximum Heap Size" />                                    
880     <Field type="ulong" contentType="bytes" name="initialSize" label="Initial Heap Size" />                                
881     <Field type="boolean" name="usesCompressedOops" label="If Compressed Oops Are Used" description="If compressed Oops (Or
882     <Field type="NarrowOopMode" name="compressedOopsMode" label="Compressed Oops Mode" description="The kind of compressed 
883     <Field type="ulong" contentType="bytes" name="objectAlignment" label="Object Alignment" description="Object alignment (
884     <Field type="ubyte" name="heapAddressBits" label="Heap Address Size" description="Heap Address Size (in bits)" />      
885   </Event>                                                                                                                 
886 
887   <Event name="YoungGenerationConfiguration" category="Java Virtual Machine, GC, Configuration" label="Young Generation Con
888     description="The configuration of the young generation of the garbage collected heap" period="endChunk">               
889     <Field type="ulong" contentType="bytes" name="minSize" label="Minimum Young Generation Size" />                        
890     <Field type="ulong" contentType="bytes" name="maxSize" label="Maximum Young Generation Size" />                        
891     <Field type="uint" name="newRatio" label="New Ratio" description="The size of the young generation relative to the tenu
892   </Event>                                                                                                                 
893 
894   <Event name="ZPageAllocation" category="Java Application" label="ZPage Allocation" description="Allocation of a ZPage" th
895      <Field type="ulong" contentType="bytes" name="pageSize" label="Page Size" />                                          
896      <Field type="ulong" contentType="bytes" name="usedAfter" label="Used After" />                                        
897      <Field type="ulong" contentType="bytes" name="freeAfter" label="Free After" />                                        
898      <Field type="ulong" contentType="bytes" name="inCacheAfter" label="In Cache After" />                                 
899      <Field type="boolean" name="nonBlocking" label="Non-blocking" />                                                      
900      <Field type="boolean" name="noReserve" label="No Reserve" />                                                          
901   </Event>                                                                                                                 
902 
903   <Event name="ZThreadPhase" category="Java Virtual Machine, GC, Detailed" label="ZGC Thread Phase" thread="true">         
904     <Field type="uint" name="gcId" label="GC Identifier" relation="GcId"/>                                                 
905     <Field type="string" name="name" label="Name" />                                                                       
906   </Event>                                                                                                                 
907 
908   <Event name="ZStatisticsCounter" category="Java Virtual Machine, GC, Detailed" label="Z Statistics Counter" thread="true"
909     <Field type="ZStatisticsCounterType" name="id" label="Id" />                                                           
910     <Field type="ulong" name="increment" label="Increment" />                                                              
911     <Field type="ulong" name="value" label="Value" />                                                                      
912   </Event>                                                                                                                 
913 
914   <Event name="ZStatisticsSampler" category="Java Virtual Machine, GC, Detailed" label="Z Statistics Sampler" thread="true"
915     <Field type="ZStatisticsSamplerType" name="id" label="Id" />                                                           
916     <Field type="ulong" name="value" label="Value" />                                                                      
917   </Event>                                                                                                                 
918 
919   <Type name="ZStatisticsCounterType" label="Z Statistics Counter">                                                        
920     <Field type="string" name="counter" label="Counter" />                                                                 
921   </Type>                                                                                                                  
922 
923   <Type name="ZStatisticsSamplerType" label="Z Statistics Sampler">                                                        
924     <Field type="string" name="sampler" label="Sampler" />                                                                 
925   </Type>                                                                                                                  
926 
927   <Type name="NetworkInterfaceName" label="Network Interface">                                                             
928     <Field type="string" name="networkInterface" label="Network Interface" description="Network Interface Name" />         
929   </Type>                                                                                                                  
930 
931   <Type name="Thread" label="Thread">                                                                                      
932     <Field type="string" name="osName" label="OS Thread Name" />                                                           
933     <Field type="long" name="osThreadId" label="OS Thread Id" />                                                           
934     <Field type="string" name="javaName" label="Java Thread Name" />                                                       
935     <Field type="long" name="javaThreadId" label="Java Thread Id" />                                                       
936     <Field type="ThreadGroup" name="group" label="Java Thread Group" />                                                    
937   </Type>                                                                                                                  
938 
939   <Type name="ThreadGroup" label="Thread Group">                                                                           
940     <Field type="ThreadGroup" name="parent" label="Parent" />                                                              
941     <Field type="string" name="name" label="Name" />                                                                       
942   </Type>                                                                                                                  
943 
944   <Type name="Class" label="Java Class">                                                                                   
945     <Field type="ClassLoader" name="classLoader" label="Class Loader" />                                                   
946     <Field type="Symbol" name="name" label="Name" />                                                                       
947     <Field type="Package" name="package" label="Package" />                                                                
948     <Field type="int" name="modifiers" label="Access Modifiers" />                                                         
949   </Type>                                                                                                                  
950 
951   <Type name="ClassLoader" label="Java Class Loader">                                                                      
952     <Field type="Class" name="type" label="Type" />                                                                        
953     <Field type="Symbol" name="name" label="Name" />                                                                       
954   </Type>                                                                                                                  
955 
956   <Type name="Method" label="Java Method">                                                                                 
957     <Field type="Class" name="type" label="Type" />                                                                        
958     <Field type="Symbol" name="name" label="Name" />                                                                       
959     <Field type="Symbol" name="descriptor" label="Descriptor" />                                                           
960     <Field type="int" name="modifiers" label="Access Modifiers" />                                                         
961     <Field type="boolean" name="hidden" label="Hidden" />                                                                  
962   </Type>                                                                                                                  
963 
964   <Type name="Symbol" label="Symbol">                                                                                      
965     <Field type="string" name="string" label="String" />                                                                   
966   </Type>                                                                                                                  
967 
968   <Type name="ThreadState" label="Java Thread State">                                                                      
969     <Field type="string" name="name" label="Name" />                                                                       
970   </Type>                                                                                                                  
971 
972   <Type name="GCName" label="GC Name">                                                                                     
973     <Field type="string" name="name" label="Name" />                                                                       
974   </Type>                                                                                                                  
975 
976   <Type name="GCCause" label="GC Cause">                                                                                   
977     <Field type="string" name="cause" label="Cause" />                                                                     
978   </Type>                                                                                                                  
979 
980   <Type name="GCWhen" label="GC When">                                                                                     
981     <Field type="string" name="when" label="When" />                                                                       
982   </Type>                                                                                                                  
983 
984   <Type name="G1HeapRegionType" label="G1 Heap Region Type">                                                               
985     <Field type="string" name="type" label="Type" />                                                                       
986   </Type>                                                                                                                  
987 
988   <Type name="G1YCType" label="G1 YC Type">                                                                                
989     <Field type="string" name="type" label="Type" />                                                                       
990   </Type>                                                                                                                  
991 
992   <Type name="GCThresholdUpdater" label="GC Threshold Updater">                                                            
993     <Field type="string" name="updater" label="Updater" />                                                                 
994   </Type>                                                                                                                  
995 
996   <Type name="ReferenceType" label="Reference Type">                                                                       
997     <Field type="string" name="type" label="Type" />                                                                       
998   </Type>                                                                                                                  
999 
1000   <Type name="MetadataType" label="Metadata Type">                                                                         
1001     <Field type="string" name="type" label="Type" />                                                                       
1002   </Type>                                                                                                                  
1003 
1004   <Type name="MetaspaceObjectType" label="Metaspace Object Type">                                                          
1005     <Field type="string" name="type" label="Type" />                                                                       
1006   </Type>                                                                                                                  
1007 
1008   <Type name="NarrowOopMode" label="Narrow Oop Mode">                                                                      
1009     <Field type="string" name="mode" label="Mode" />                                                                       
1010   </Type>                                                                                                                  
1011 
1012   <Type name="VMOperationType" label="VM Operation Type">                                                                  
1013     <Field type="string" name="type" label="Type" />                                                                       
1014   </Type>                                                                                                                  
1015 
1016   <Type name="CompilerPhaseType" label="Compiler Phase Type">                                                              
1017     <Field type="string" name="phase" label="Phase" />                                                                     
1018   </Type>                                                                                                                  
1019 
1020   <Type name="FlagValueOrigin" label="Flag Value Origin">                                                                  
1021     <Field type="string" name="origin" label="Origin" />                                                                   
1022   </Type>                                                                                                                  
1023 
1024   <Type name="CodeBlobType" label="Code Blob Type">                                                                        
1025     <Field type="string" name="type" label="Type" />                                                                       
1026   </Type>                                                                                                                  
1027 
1028   <Type name="InflateCause" label="Inflation Cause">                                                                       
1029     <Field type="string" name="cause" label="Cause" />                                                                     
1030   </Type>                                                                                                                  
1031 
1032   <Type name="Module" label="Module">                                                                                      
1033     <Field type="Symbol" name="name" label="Name" />                                                                       
1034     <Field type="Symbol" name="version" label="Version" />                                                                 
1035     <Field type="Symbol" name="location" label="Location" />                                                               
1036     <Field type="ClassLoader" name="classLoader" label="Class Loader" />                                                   
1037   </Type>                                                                                                                  
1038 
1039   <Type name="Package" label="Package">                                                                                    
1040     <Field type="Symbol" name="name" label="Name" />                                                                       
1041     <Field type="Module" name="module" label="Module" />                                                                   
1042     <Field type="boolean" name="exported" label="Exported" />                                                              
1043   </Type>                                                                                                                  
1044 
1045   <Type name="StackTrace" label="Stacktrace">                                                                              
1046     <Field type="boolean" name="truncated" label="Truncated" />                                                            
1047     <Field type="StackFrame" array="true" struct="true" name="frames" label="Stack Frames" />                              
1048   </Type>                                                                                                                  
1049 
1050   <Type name="FrameType" label="Frame type">                                                                               
1051     <Field type="string" name="description" label="Description" />                                                         
1052   </Type>                                                                                                                  
1053 
1054   <Type name="OldObjectRootSystem" label="GC Root System">                                                                 
1055     <Field type="string" name="system" label="System" />                                                                   
1056   </Type>                                                                                                                  
1057 
1058   <Type name="OldObjectRootType" label="GC Root Type">                                                                     
1059     <Field type="string" name="type" label="Type" />                                                                       
1060   </Type>                                                                                                                  
1061 
1062   <Type name="OldObjectGcRoot" label="GC Root">                                                                            
1063     <Field type="string" name="description" label="Root Description" description="Root information" />                     
1064     <Field type="OldObjectRootSystem" name="system" label="System" description="The subsystem of origin for the root" />   
1065     <Field type="OldObjectRootType" name="type" label="Type" description="The root type" />                                
1066   </Type>                                                                                                                  
1067 
1068   <Type name="OldObjectArray" label="Old Object Array">                                                                    
1069     <Field type="int" name="size" label="Array Size" description="Size of array" />                                        
1070     <Field type="int" name="index" label="Index" description="Index in the array" />                                       
1071   </Type>                                                                                                                  
1072 
1073   <Type name="OldObjectField" label="Old Object Field">                                                                    
1074     <Field type="string" name="name" label="Field" description="Name of field" />                                          
1075     <Field type="short" name="modifiers" label="Field Modifiers" description="Field modifiers" />                          
1076   </Type>                                                                                                                  
1077 
1078   <Type name="OldObject" label="Old Object">                                                                               
1079     <Field type="ulong" contentType="address" name="address" label="Memory Address" />                                     
1080     <Field type="Class" name="type" label="Java Class" />                                                                  
1081     <Field type="string" name="description" label="Object Description" description="Object description" />                 
1082     <Field type="Reference" name="referrer" label="Referrer Object" description="Object referencing this object" />        
1083   </Type>                                                                                                                  
1084 
1085   <Type name="Reference" label="Reference">                                                                                
1086     <Field type="OldObjectArray" name="array" label="Array Information" description="Array or null if it is not an array" /
1087     <Field type="OldObjectField" name="field" label="Field Information" description="Field or null if it is an array" />   
1088     <Field type="OldObject" name="object" label="Object" description="Object holder for this reference" />                 
1089     <Field type="int" name="skip" label="Skip value" description="The object is this many hops away" />                    
1090   </Type>                                                                                                                  
1091 
1092   <Type name="StackFrame">                                                                                                 
1093     <Field type="Method" name="method" label="Java Method" />                                                              
1094     <Field type="int" name="lineNumber" label="Line Number" />                                                             
1095     <Field type="int" name="bytecodeIndex" label="Bytecode Index" />                                                       
1096     <Field type="FrameType" name="type" label="Frame Type" />                                                              
1097   </Type>                                                                                                                  
1098                                                                                                                            
1099   <Relation name="JavaMonitorAddress"/>                                                                                    
1100   <Relation name="SafepointId"/>                                                                                           
1101   <Relation name="GcId"/>                                                                                                  
1102   <Relation name="CompileId" />                                                                                            
1103   <Relation name="SweepId"/>                                                                                               
1104                                                                                                                            
1105   <XmlType name="Package" parameterType="const PackageEntry*" fieldType="const PackageEntry*"/>                            
1106   <XmlType name="Class" javaType="java.lang.Class" parameterType="const Klass*" fieldType="const Klass*"/>                 
1107   <XmlType name="Module"  parameterType="const ModuleEntry*" fieldType="const ModuleEntry*"/>                              
1108   <XmlType name="ClassLoader" parameterType="const ClassLoaderData*" fieldType="const ClassLoaderData*"/>                  
1109   <XmlType name="Method" parameterType="const Method*" fieldType="const Method*"/>                                         
1110   <XmlType name="Thread" javaType="java.lang.Thread" parameterType="u8" fieldType="u8"/>                                   
1111   <XmlType name="Tickspan" contentType="tickspan" javaType="long" parameterType="const Tickspan&amp;" fieldType="Tickspan"/
1112   <XmlType name="Ticks" contentType="tickstamp" javaType="long" parameterType="const Ticks&amp;" fieldType="Ticks"/>       
1113   <XmlType name="ulong" javaType="long" unsigned="true" parameterType="u8" fieldType="u8"/>                                
1114   <XmlType name="uint" javaType="int" unsigned="true" parameterType="unsigned" fieldType="unsigned"/>                      
1115   <XmlType name="ushort" javaType="short" unsigned="true" parameterType="u2" fieldType="u2"/>                              
1116   <XmlType name="ubyte" javaType="byte" unsigned="true" parameterType="u1" fieldType="u1"/>                                
1117   <XmlType name="long" javaType="long" parameterType="s8" fieldType="s8"/>                                                 
1118   <XmlType name="int" javaType="int" parameterType="s4" fieldType="s4"/>                                                   
1119   <XmlType name="short" javaType="short" parameterType="s2" fieldType="s2"/>                                               
1120   <XmlType name="byte" javaType="byte"  parameterType="s1" fieldType="s1"/>                                                
1121   <XmlType name="double" javaType="double" parameterType="double" fieldType="double"/>                                     
1122   <XmlType name="float" javaType="float"  parameterType="float" fieldType="float"/>                                        
1123   <XmlType name="boolean" javaType="boolean" parameterType="bool" fieldType="bool"/>                                       
1124   <XmlType name="char" javaType="char" parameterType="char" fieldType="char"/>                                             
1125   <XmlType name="string" javaType="java.lang.String" parameterType="const char*" fieldType="const char*"/>                 
1126                                                                                                                            
1127   <XmlContentType name="bytes" annotationType="jdk.jfr.DataAmount" annotationValue="BYTES" />                              
1128   <XmlContentType name="tickstamp" annotationType="jdk.jfr.Timestamp" annotationValue="TICKS" />                           
1129   <XmlContentType name="epochmillis" annotationType="jdk.jfr.Timestamp" annotationValue="MILLISECONDS_SINCE_EPOCH" />      
1130   <XmlContentType name="tickspan" annotationType="jdk.jfr.Timespan" annotationValue="TICKS" />                             
1131   <XmlContentType name="address" annotationType="jdk.jfr.MemoryAddress" />                                                 
1132   <XmlContentType name="percentage" annotationType="jdk.jfr.Percentage" />                                                 
1133   <XmlContentType name="millis" annotationType="jdk.jfr.Timespan" annotationValue="MILLISECONDS" />                        
1134 
1135 </Metadata>                                                                                                                
--- EOF ---