8196341: Add JFR events for parallel phases of G1

0 <?xml version="1.0" encoding="utf-8"?>
1 
2 <!--
3  Copyright (c) 2012, 2018, Oracle and/or its affiliates. All rights reserved.
4  DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 
6  This code is free software; you can redistribute it and/or modify it
7  under the terms of the GNU General Public License version 2 only, as
8  published by the Free Software Foundation.
9 
10  This code is distributed in the hope that it will be useful, but WITHOUT
11  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
13  version 2 for more details (a copy is included in the LICENSE file that
14  accompanied this code).
15 
16  You should have received a copy of the GNU General Public License version
17  2 along with this work; if not, write to the Free Software Foundation,
18  Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 
20  Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21  or visit www.oracle.com if you need additional information or have any
22  questions.
23 
24 -->
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="GCPhaseParallel" category="Java Virtual Machine, GC, Phases" label="GC Phase Parallel"
438          startTime="true" thread="true" description="GC phases for parallel workers">
439     <Field type="uint" name="gcId" label="GC Identifier" relation="GcId"/>
440     <Field type="uint" name="gcWorkerId" label="GC Worker Identifier" />
441     <Field type="string" name="name" label="Name" />
442   </Event>
443   
444   <Event name="AllocationRequiringGC" category="Java Virtual Machine, GC, Detailed" label="Allocation Requiring GC" thread=
445     startTime="false">
446     <Field type="uint" name="gcId" label="Pending GC Identifier" relation="GcId" />
447     <Field type="ulong" contentType="bytes" name="size" label="Allocation Size" />
448   </Event>
449 
450   <Event name="TenuringDistribution" category="Java Virtual Machine, GC, Detailed" label="Tenuring Distribution" startTime=
451     <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" />
452     <Field type="uint" name="age" label="Age" />
453     <Field type="ulong" contentType="bytes" name="size" label="Size" />
454   </Event>
455 
456   <Event name="G1HeapRegionTypeChange" category="Java Virtual Machine, GC, Detailed" label="G1 Heap Region Type Change" des
457     startTime="false">
458     <Field type="uint" name="index" label="Index" />
459     <Field type="G1HeapRegionType" name="from" label="From" />
460     <Field type="G1HeapRegionType" name="to" label="To" />
461     <Field type="ulong" contentType="address" name="start" label="Start" />
462     <Field type="ulong" contentType="bytes" name="used" label="Used" />
463   </Event>
464 
465   <Event name="Compilation" category="Java Virtual Machine, Compiler" label="Compilation" thread="true">
466     <Field type="Method" name="method" label="Java Method" />
467     <Field type="uint" name="compileId" label="Compilation Identifier" relation="CompileId" />
468     <Field type="ushort" name="compileLevel" label="Compilation Level" />
469     <Field type="boolean" name="succeded" label="Succeeded" />
470     <Field type="boolean" name="isOsr" label="On Stack Replacement" />
471     <Field type="ulong" contentType="bytes" name="codeSize" label="Compiled Code Size" />
472     <Field type="ulong" contentType="bytes" name="inlinedBytes" label="Inlined Code Size" />
473   </Event>
474 
475   <Event name="CompilerPhase" category="Java Virtual Machine, Compiler" label="Compiler Phase" thread="true" >
476     <Field type="CompilerPhaseType" name="phase" label="Compile Phase" />
477     <Field type="uint" name="compileId" label="Compilation Identifier" relation="CompileId" />
478     <Field type="ushort" name="phaseLevel" label="Phase Level" />
479   </Event>
480 
481   <Event name="CompilationFailure" category="Java Virtual Machine, Compiler" label="Compilation Failure" thread="true"  sta
482     <Field type="string" name="failureMessage" label="Failure Message" />
483     <Field type="uint" name="compileId" label="Compilation Identifier" relation="CompileId" />
484   </Event>
485   
486   <Type name="CalleeMethod">
487     <Field type="string" name="type" label="Class" />
488     <Field type="string" name="name" label="Method Name" />
489     <Field type="string" name="descriptor" label="Method Descriptor" />
490   </Type>
491 
492   <Event name="CompilerInlining" category="Java Virtual Machine, Compiler, Optimization" label="Method Inlining" thread="tr
493     <Field type="uint" name="compileId" label="Compilation Identifier" relation="CompileId" />
494     <Field type="Method" name="caller" label="Caller Method" />
495     <Field type="CalleeMethod" name="callee" struct="true" label="Callee Method" />
496     <Field type="boolean" name="succeeded" label="Succeeded" />
497     <Field type="string" name="message" label="Message" />
498     <Field type="int" name="bci" label="Byte Code Index" />
499   </Event>
500 
501   <Event name="SweepCodeCache" category="Java Virtual Machine, Code Sweeper" label="Sweep Code Cache" thread="true" >
502     <Field type="int" name="sweepId" label="Sweep Identifier" relation="SweepId" />
503     <Field type="uint" name="sweptCount" label="Methods Swept" />
504     <Field type="uint" name="flushedCount" label="Methods Flushed" />
505     <Field type="uint" name="zombifiedCount" label="Methods Zombified" />
506   </Event>
507 
508   <Event name="CodeCacheFull" category="Java Virtual Machine, Code Cache" label="Code Cache Full" thread="true" startTime="
509     <Field type="CodeBlobType" name="codeBlobType" label="Code Heap" />
510     <Field type="ulong" contentType="address" name="startAddress" label="Start Address" />
511     <Field type="ulong" contentType="address" name="commitedTopAddress" label="Commited Top" />
512     <Field type="ulong" contentType="address" name="reservedTopAddress" label="Reserved Top" />
513     <Field type="int" name="entryCount" label="Entries" />
514     <Field type="int" name="methodCount" label="Methods" />
515     <Field type="int" name="adaptorCount" label="Adaptors" />
516     <Field type="ulong" contentType="bytes" name="unallocatedCapacity" label="Unallocated" />
517     <Field type="int" name="fullCount" label="Full Count" />
518   </Event>
519 
520   <Event name="SafepointBegin" category="Java Virtual Machine, Runtime, Safepoint" label="Safepoint Begin" description="Saf
521     <Field type="int" name="safepointId" label="Safepoint Identifier" relation="SafepointId" />
522     <Field type="int" name="totalThreadCount" label="Total Threads" description="The total number of threads at the start o
523     <Field type="int" name="jniCriticalThreadCount" label="JNI Critical Threads" description="The number of threads in JNI 
524   </Event>
525 
526   <Event name="SafepointStateSynchronization" category="Java Virtual Machine, Runtime, Safepoint" label="Safepoint State Sy
527     thread="true">
528     <Field type="int" name="safepointId" label="Safepoint Identifier" relation="SafepointId" />
529     <Field type="int" name="initialThreadCount" label="Initial Threads" description="The number of threads running at the b
530     <Field type="int" name="runningThreadCount" label="Running Threads" description="The number of threads still running" /
531     <Field type="int" name="iterations" label="Iterations" description="Number of state check iterations" />
532   </Event>
533 
534   <Event name="SafepointWaitBlocked" category="Java Virtual Machine, Runtime, Safepoint" label="Safepoint Wait Blocked" des
535     thread="true">
536     <Field type="int" name="safepointId" label="Safepoint Identifier" relation="SafepointId" />
537     <Field type="int" name="runningThreadCount" label="Running Threads" description="The number running of threads wait for
538   </Event>
539 
540   <Event name="SafepointCleanup" category="Java Virtual Machine, Runtime, Safepoint" label="Safepoint Cleanup" description=
541     thread="true">
542     <Field type="int" name="safepointId" label="Safepoint Identifier" relation="SafepointId" />
543   </Event>
544 
545   <Event name="SafepointCleanupTask" category="Java Virtual Machine, Runtime, Safepoint" label="Safepoint Cleanup Task" des
546     thread="true">
547     <Field type="int" name="safepointId" label="Safepoint Identifier" relation="SafepointId" />
548     <Field type="string" name="name" label="Task Name" description="The task name" />
549   </Event>
550 
551   <Event name="SafepointEnd" category="Java Virtual Machine, Runtime, Safepoint" label="Safepoint End" description="Safepoi
552     <Field type="int" name="safepointId" label="Safepoint Identifier" relation="SafepointId" />
553   </Event>
554 
555   <Event name="ExecuteVMOperation" category="Java Virtual Machine, Runtime" label="VM Operation" description="Execution of 
556     <Field type="VMOperationType" name="operation" label="Operation" />
557     <Field type="boolean" name="safepoint" label="At Safepoint" description="If the operation occured at a safepoint" />
558     <Field type="boolean" name="blocking" label="Caller Blocked" description="If the calling thread was blocked until the o
559     <Field type="Thread" name="caller" label="Caller" transition="from"
560       description="Thread requesting operation. If non-blocking, will be set to 0 indicating thread is unknown" />
561     <Field type="int" name="safepointId" label="Safepoint Identifier" description="The safepoint (if any) under which this 
562       relation="SafepointId" />
563   </Event>
564 
565   <Event name="Shutdown" category="Java Virtual Machine, Runtime" label="VM Shutdown" description="VM shutting down" thread
566     startTime="false">
567     <Field type="string" name="reason" label="Reason" description="Reason for VM shutdown" />
568   </Event>
569 
570   <Event name="ObjectAllocationInNewTLAB" category="Java Application" label="Allocation in new TLAB" description="Allocatio
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     <Field type="ulong" contentType="bytes" name="tlabSize" label="TLAB Size" />
575   </Event>
576 
577   <Event name="ObjectAllocationOutsideTLAB" category="Java Application" label="Allocation outside TLAB" description="Alloca
578     thread="true" stackTrace="true" startTime="false">
579     <Field type="Class" name="objectClass" label="Object Class" description="Class of allocated object" />
580     <Field type="ulong" contentType="bytes" name="allocationSize" label="Allocation Size" />
581   </Event>
582 
583   <Event name="OldObjectSample" category="Java Application" label="Old Object Sample" description="A potential memory leak"
584     startTime="false" cutoff="true">
585     <Field type="Ticks" name="allocationTime" label="Allocation Time" />
586     <Field type="ulong" contentType="bytes" name="lastKnownHeapUsage" label="Last Known Heap Usage" />
587     <Field type="OldObject" name="object" label="Object" />
588     <Field type="int" name="arrayElements" label="Array Elements" description="If the object is an array, the number of ele
589     <Field type="OldObjectGcRoot" name="root" label="GC Root" />
590   </Event>
591 
592   <Event name="DumpReason" category="Flight Recorder" label="Recording Reason" 
593          description="Who requested the recording and why" 
594          startTime="false">
595     <Field type="string" name="reason" label="Reason" description="Reason for writing recording data to disk" />
596     <Field type="int" name="recordingId" label="Recording Id" description="Id of the recording that triggered the dump, or 
597   </Event>
598 
599   <Event name="DataLoss" category="Flight Recorder" label="Data Loss" 
600          description="Data could not be copied out from a buffer, typically because of contention"
601          startTime="false">
602     <Field type="ulong" contentType="bytes" name="amount" label="Amount" description="Amount lost data" />
603     <Field type="ulong" contentType="bytes" name="total" label="Total" description="Total lost amount for thread" />
604   </Event>
605 
606   <Event name="JVMInformation" category="Java Virtual Machine" label="JVM Information" 
607          description="Description of JVM and the Java application"
608          period="endChunk">
609     <Field type="string" name="jvmName" label="JVM Name" />
610     <Field type="string" name="jvmVersion" label="JVM Version" />
611     <Field type="string" name="jvmArguments" label="JVM Command Line Arguments" />
612     <Field type="string" name="jvmFlags" label="JVM Settings File Arguments" />
613     <Field type="string" name="javaArguments" label="Java Application Arguments" />
614     <Field type="long" contentType="epochmillis" name="jvmStartTime" label="JVM Start Time" />
615   </Event>
616 
617   <Event name="OSInformation" category="Operating System" label="OS Information" period="endChunk">
618     <Field type="string" name="osVersion" label="OS Version" />
619   </Event>
620 
621   <Event name="InitialSystemProperty" category="Java Virtual Machine" label="Initial System Property" description="System P
622     <Field type="string" name="key" label="Key" />
623     <Field type="string" name="value" label="Value" />
624   </Event>
625 
626   <Event name="InitialEnvironmentVariable" category="Operating System" label="Initial Environment Variable" period="endChun
627     <Field type="string" name="key" label="Key" />
628     <Field type="string" name="value" label="Value" />
629   </Event>
630 
631   <Event name="SystemProcess" category="Operating System" label="System Process" period="endChunk">
632     <Field type="string" name="pid" label="Process Identifier" />
633     <Field type="string" name="commandLine" label="Command Line" />
634   </Event>
635 
636   <Event name="CPUInformation" category="Operating System, Processor" label="CPU Information" period="endChunk">
637     <Field type="string" name="cpu" label="Type" />
638     <Field type="string" name="description" label="Description" />
639     <Field type="uint" name="sockets" label="Sockets" />
640     <Field type="uint" name="cores" label="Cores" />
641     <Field type="uint" name="hwThreads" label="Hardware Threads" />
642   </Event>
643 
644   <Event name="CPUTimeStampCounter" category="Operating System, Processor" label="CPU Time Stamp Counter" period="endChunk"
645     <Field type="boolean" name="fastTimeEnabled" label="Fast Time" />
646     <Field type="boolean" name="fastTimeAutoEnabled" label="Trusted Platform" />
647     <Field type="long" name="osFrequency" label="OS Frequency Per Second" />
648     <Field type="long" name="fastTimeFrequency" label="Fast Time Frequency per Second" />
649   </Event>
650 
651   <Event name="CPULoad" category="Operating System, Processor" label="CPU Load" description="OS CPU Load" period="everyChun
652     <Field type="float" contentType="percentage" name="jvmUser" label="JVM User" />
653     <Field type="float" contentType="percentage" name="jvmSystem" label="JVM System" />
654     <Field type="float" contentType="percentage" name="machineTotal" label="Machine Total" />
655   </Event>
656 
657   <Event name="ThreadCPULoad" category="Operating System, Processor" label="Thread CPU Load" period="everyChunk" thread="tr
658     <Field type="float" contentType="percentage" name="user" label="User Mode CPU Load" description="User mode thread CPU l
659     <Field type="float" contentType="percentage" name="system" label="System Mode CPU Load" description="System mode thread
660   </Event>
661 
662   <Event name="ThreadContextSwitchRate" category="Operating System, Processor" label="Thread Context Switch Rate" period="e
663     <Field type="float" name="switchRate" label="Switch Rate" description="Number of context switches per second" />
664   </Event>
665 
666   <Event name="NetworkUtilization" category="Operating System, Network" label="Network Utilization" period="everyChunk">
667     <Field type="NetworkInterfaceName" name="networkInterface" label="Network Interface" description="Network Interface Nam
668     <Field type="long" contentType="bytes" name="readRate" label="Read Rate" description="Number of incoming bytes per seco
669     <Field type="long" contentType="bytes" name="writeRate" label="Write Rate" description="Number of outgoing bytes per se
670   </Event>
671 
672   <Event name="JavaThreadStatistics" category="Java Application, Statistics" label="Java Thread Statistics" period="everyCh
673     <Field type="long" name="activeCount" label="Active Threads" description="Number of live active threads including both 
674     <Field type="long" name="daemonCount" label="Daemon Threads" description="Number of live daemon threads" />
675     <Field type="long" name="accumulatedCount" label="Accumulated Threads" description="Number of threads created and also 
676     <Field type="long" name="peakCount" label="Peak Threads" description="Peak live thread count since JVM start or when pe
677   </Event>
678 
679   <Event name="ClassLoadingStatistics" category="Java Application, Statistics" label="Class Loading Statistics" period="eve
680     <Field type="long" name="loadedClassCount" label="Loaded Class Count" description="Number of classes loaded since JVM s
681     <Field type="long" name="unloadedClassCount" label="Unloaded Class Count" description="Number of classes unloaded since
682   </Event>
683 
684   <Event name="ClassLoaderStatistics" category="Java Application, Statistics" label="Class Loader Statistics" period="every
685     <Field type="ClassLoader" name="classLoader" label="Class Loader" />
686     <Field type="ClassLoader" name="parentClassLoader" label="Parent Class Loader" />
687     <Field type="ulong" contentType="address" name="classLoaderData" label="ClassLoaderData pointer" description="Pointer t
688     <Field type="long" name="classCount" label="Classes" description="Number of loaded classes" />
689     <Field type="ulong" contentType="bytes" name="chunkSize" label="Total Chunk Size" description="Total size of all alloca
690     <Field type="ulong" contentType="bytes" name="blockSize" label="Total Block Size" description="Total size of all alloca
691     <Field type="long" name="unsafeAnonymousClassCount" label="Unsafe Anonymous Classes" description="Number of loaded clas
692     <Field type="ulong" contentType="bytes" name="unsafeAnonymousChunkSize" label="Total Unsafe Anonymous Classes Chunk Siz
693       description="Total size of all allocated metaspace chunks for unsafe anonymous classes (each chunk has several blocks
694     <Field type="ulong" contentType="bytes" name="unsafeAnonymousBlockSize" label="Total Unsafe Anonymous Classes Block Siz
695       description="Total size of all allocated metaspace blocks for unsafe anonymous classes (each chunk has several blocks
696   </Event>
697 
698   <Event name="ThreadAllocationStatistics" category="Java Application, Statistics" label="Thread Allocation Statistics" per
699     <Field type="ulong" contentType="bytes" name="allocated" label="Allocated" description="Approximate number of bytes all
700     <Field type="Thread" name="thread" label="Thread" />
701   </Event>
702 
703   <Event name="PhysicalMemory" category="Operating System, Memory" label="Physical Memory" description="OS Physical Memory"
704     <Field type="ulong" contentType="bytes" name="totalSize" label="Total Size" description="Total amount of physical memor
705     <Field type="ulong" contentType="bytes" name="usedSize" label="Used Size" description="Total amount of physical memory 
706   </Event>
707 
708   <Event name="ExecutionSample" category="Java Virtual Machine, Profiling" label="Method Profiling Sample" description="Sna
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="NativeMethodSample" category="Java Virtual Machine, Profiling" label="Method Profiling Sample Native" descri
716     period="everyChunk">
717     <Field type="Thread" name="sampledThread" label="Thread" />
718     <Field type="StackTrace" name="stackTrace" label="Stack Trace" />
719     <Field type="ThreadState" name="state" label="Thread State" />
720   </Event>
721 
722   <Event name="ThreadDump" category="Java Virtual Machine, Runtime" label="Thread Dump" period="everyChunk">
723     <Field type="string" name="result" label="Thread Dump" />
724   </Event>
725 
726   <Event name="NativeLibrary" category="Java Virtual Machine, Runtime" label="Native Library" period="everyChunk">
727     <Field type="string" name="name" label="Name" />
728     <Field type="ulong" contentType="address" name="baseAddress" label="Base Address" description="Starting address of the 
729     <Field type="ulong" contentType="address" name="topAddress" label="Top Address" description="Ending address of the modu
730   </Event>
731 
732   <Event name="ModuleRequire" category="Java Virtual Machine, Runtime, Modules" label="Module Require" thread="false" perio
733     description="A directed edge representing a dependency">
734     <Field type="Module" name="source" label="Source Module" />
735     <Field type="Module" name="requiredModule" label="Required Module" />
736   </Event>
737 
738   <Event name="ModuleExport" category="Java Virtual Machine, Runtime, Modules" label="Module Export" thread="false" period=
739     <Field type="Package" name="exportedPackage" label="Exported Package" />
740     <Field type="Module" name="targetModule" label="Target Module"
741       description="Module to which the package is qualifiedly exported.
742              If null, the package is unqualifiedly exported" />
743   </Event>
744 
745   <Event name="CompilerStatistics" category="Java Virtual Machine, Compiler" label="Compiler Statistics" thread="false" per
746     <Field type="int" name="compileCount" label="Compiled Methods" />
747     <Field type="int" name="bailoutCount" label="Bailouts" />
748     <Field type="int" name="invalidatedCount" label="Invalidated Compilations" />
749     <Field type="int" name="osrCompileCount" label="OSR Compilations" />
750     <Field type="int" name="standardCompileCount" label="Standard Compilations" />
751     <Field type="ulong" contentType="bytes" name="osrBytesCompiled" label="OSR Bytes Compiled" />
752     <Field type="ulong" contentType="bytes" name="standardBytesCompiled" label="Standard Bytes Compiled" />
753     <Field type="ulong" contentType="bytes" name="nmetodsSize" label="Compilation Resulting Size" />
754     <Field type="ulong" contentType="bytes" name="nmetodCodeSize" label="Compilation Resulting Code Size" />
755     <Field type="long" contentType="millis" name="peakTimeSpent" label="Peak Time" />
756     <Field type="long" contentType="millis" name="totalTimeSpent" label="Total time" />
757   </Event>
758 
759   <Event name="CompilerConfiguration" category="Java Virtual Machine, Compiler" label="Compiler Configuration" thread="fals
760     <Field type="int" name="threadCount" label="Thread Count" />
761     <Field type="boolean" name="tieredCompilation" label="Tiered Compilation" />
762   </Event>
763 
764   <Event name="CodeCacheStatistics" category="Java Virtual Machine, Code Cache" label="Code Cache Statistics" thread="false
765     <Field type="CodeBlobType" name="codeBlobType" label="Code Heap" />
766     <Field type="ulong" contentType="address" name="startAddress" label="Start Address" />
767     <Field type="ulong" contentType="address" name="reservedTopAddress" label="Reserved Top" />
768     <Field type="int" name="entryCount" label="Entries" />
769     <Field type="int" name="methodCount" label="Methods" />
770     <Field type="int" name="adaptorCount" label="Adaptors" />
771     <Field type="ulong" contentType="bytes" name="unallocatedCapacity" label="Unallocated" />
772     <Field type="int" name="fullCount" label="Full Count" />
773   </Event>
774 
775   <Event name="CodeCacheConfiguration" category="Java Virtual Machine, Code Cache" label="Code Cache Configuration" thread=
776     <Field type="ulong" contentType="bytes" name="initialSize" label="Initial Size" />
777     <Field type="ulong" contentType="bytes" name="reservedSize" label="Reserved Size" />
778     <Field type="ulong" contentType="bytes" name="nonNMethodSize" label="Non-nmethod Size" />
779     <Field type="ulong" contentType="bytes" name="profiledSize" label="Profiled Size" />
780     <Field type="ulong" contentType="bytes" name="nonProfiledSize" label="Non-profiled Size" />
781     <Field type="ulong" contentType="bytes" name="expansionSize" label="Expansion size" />
782     <Field type="ulong" contentType="bytes" name="minBlockLength" label="Minimum Block Length" />
783     <Field type="ulong" contentType="address" name="startAddress" label="Start Address" />
784     <Field type="ulong" contentType="address" name="reservedTopAddress" label="Reserved Top" />
785   </Event>
786 
787   <Event name="CodeSweeperStatistics" category="Java Virtual Machine, Code Sweeper" label="Code Sweeper Statistics" thread=
788     <Field type="int" name="sweepCount" label="Sweeps" />
789     <Field type="int" name="methodReclaimedCount" label="Methods Reclaimed" />
790     <Field type="Tickspan" name="totalSweepTime" label="Time Spent Sweeping" />
791     <Field type="Tickspan" name="peakFractionTime" label="Peak Time Fraction Sweep" />
792     <Field type="Tickspan" name="peakSweepTime" label="Peak Time Full Sweep" />
793   </Event>
794 
795   <Event name="CodeSweeperConfiguration" category="Java Virtual Machine, Code Sweeper" label="Code Sweeper Configuration" t
796     <Field type="boolean" name="sweeperEnabled" label="Code Sweeper Enabled" />
797     <Field type="boolean" name="flushingEnabled" label="Code Cache Flushing Enabled" />
798   </Event>
799 
800   <Event name="IntFlag" category="Java Virtual Machine, Flag" period="endChunk" label="Int Flag">
801     <Field type="string" name="name" label="Name" />
802     <Field type="int" name="value" label="Value" />
803     <Field type="FlagValueOrigin" name="origin" label="Origin" />
804   </Event>
805 
806   <Event name="UnsignedIntFlag" category="Java Virtual Machine, Flag" period="endChunk" label="Unsigned Int Flag">
807     <Field type="string" name="name" label="Name" />
808     <Field type="uint" name="value" label="Value" />
809     <Field type="FlagValueOrigin" name="origin" label="Origin" />
810   </Event>
811 
812   <Event name="LongFlag" category="Java Virtual Machine, Flag" period="endChunk" label="Long Flag">
813     <Field type="string" name="name" label="Name" />
814     <Field type="long" name="value" label="Value" />
815     <Field type="FlagValueOrigin" name="origin" label="Origin" />
816   </Event>
817 
818   <Event name="UnsignedLongFlag" category="Java Virtual Machine, Flag" period="endChunk" label="Unsigned Long Flag">
819     <Field type="string" name="name" label="Name" />
820     <Field type="ulong" name="value" label="Value" />
821     <Field type="FlagValueOrigin" name="origin" label="Origin" />
822   </Event>
823 
824   <Event name="DoubleFlag" category="Java Virtual Machine, Flag" period="endChunk" label="Double Flag">
825     <Field type="string" name="name" label="Name" />
826     <Field type="double" name="value" label="Value" />
827     <Field type="FlagValueOrigin" name="origin" label="Origin" />
828   </Event>
829 
830   <Event name="BooleanFlag" category="Java Virtual Machine, Flag" period="endChunk" label="Boolean Flag">
831     <Field type="string" name="name" label="Name" />
832     <Field type="boolean" name="value" label="Value" />
833     <Field type="FlagValueOrigin" name="origin" label="Origin" />
834   </Event>
835 
836   <Event name="StringFlag" category="Java Virtual Machine, Flag" period="endChunk" label="String Flag">
837     <Field type="string" name="name" label="Name" />
838     <Field type="string" name="value" label="Value" />
839     <Field type="FlagValueOrigin" name="origin" label="Origin" />
840   </Event>
841 
842   <Event name="ObjectCount" category="Java Virtual Machine, GC, Detailed" startTime="false" period="everyChunk" label="Obje
843     <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" />
844     <Field type="Class" name="objectClass" label="Object Class" />
845     <Field type="long" name="count" label="Count" />
846     <Field type="ulong" contentType="bytes" name="totalSize" label="Total Size" />
847   </Event>
848 
849   <Event name="G1HeapRegionInformation" category="Java Virtual Machine, GC, Detailed" label="G1 Heap Region Information" de
850     period="everyChunk">
851     <Field type="uint" name="index" label="Index" />
852     <Field type="G1HeapRegionType" name="type" label="Type" />
853     <Field type="ulong" contentType="address" name="start" label="Start" />
854     <Field type="ulong" contentType="bytes" name="used" label="Used" />
855   </Event>
856 
857   <Event name="GCConfiguration" category="Java Virtual Machine, GC, Configuration" label="GC Configuration" description="Th
858     period="endChunk">
859     <Field type="GCName" name="youngCollector" label="Young Garbage Collector" description="The garbage collector used for 
860     <Field type="GCName" name="oldCollector" label="Old Garbage Collector" description="The garbage collector used for the 
861     <Field type="uint" name="parallelGCThreads" label="Parallel GC Threads" description="Number of parallel threads to use 
862     <Field type="uint" name="concurrentGCThreads" label="Concurrent GC Threads" description="Number of concurrent threads t
863     <Field type="boolean" name="usesDynamicGCThreads" label="Uses Dynamic GC Threads" description="Whether a dynamic number
864     <Field type="boolean" name="isExplicitGCConcurrent" label="Concurrent Explicit GC" description="Whether System.gc() is 
865     <Field type="boolean" name="isExplicitGCDisabled" label="Disabled Explicit GC" description="Whether System.gc() will ca
866     <Field type="long" contentType="millis" name="pauseTarget" label="Pause Target" description="Target for GC pauses" />
867     <Field type="uint" name="gcTimeRatio" label="GC Time Ratio" description="Target for runtime vs garbage collection time"
868   </Event>
869 
870   <Event name="GCSurvivorConfiguration" category="Java Virtual Machine, GC, Configuration" label="GC Survivor Configuration
871     description="The configuration of the survivors of garbage collection" period="endChunk">
872     <Field type="ubyte" name="maxTenuringThreshold" label="Maximum Tenuring Threshold" description="Upper limit for the age
873     <Field type="ubyte" name="initialTenuringThreshold" label="Initial Tenuring Threshold" description="Initial age limit f
874   </Event>
875 
876   <Event name="GCTLABConfiguration" category="Java Virtual Machine, GC, Configuration" label="TLAB Configuration"
877     description="The configuration of the Thread Local Allocation Buffers (TLABs)" period="endChunk">
878     <Field type="boolean" name="usesTLABs" label="TLABs Used" description="If Thread Local Allocation Buffers (TLABs) are i
879     <Field type="ulong" contentType="bytes" name="minTLABSize" label="Minimum TLAB Size" />
880     <Field type="ulong" contentType="bytes" name="tlabRefillWasteLimit" label="TLAB Refill Waste Limit" />
881   </Event>
882 
883   <Event name="GCHeapConfiguration" category="Java Virtual Machine, GC, Configuration" label="GC Heap Configuration" descri
884     period="endChunk">
885     <Field type="ulong" contentType="bytes" name="minSize" label="Minimum Heap Size" />
886     <Field type="ulong" contentType="bytes" name="maxSize" label="Maximum Heap Size" />
887     <Field type="ulong" contentType="bytes" name="initialSize" label="Initial Heap Size" />
888     <Field type="boolean" name="usesCompressedOops" label="If Compressed Oops Are Used" description="If compressed Oops (Or
889     <Field type="NarrowOopMode" name="compressedOopsMode" label="Compressed Oops Mode" description="The kind of compressed 
890     <Field type="ulong" contentType="bytes" name="objectAlignment" label="Object Alignment" description="Object alignment (
891     <Field type="ubyte" name="heapAddressBits" label="Heap Address Size" description="Heap Address Size (in bits)" />
892   </Event>
893 
894   <Event name="YoungGenerationConfiguration" category="Java Virtual Machine, GC, Configuration" label="Young Generation Con
895     description="The configuration of the young generation of the garbage collected heap" period="endChunk">
896     <Field type="ulong" contentType="bytes" name="minSize" label="Minimum Young Generation Size" />
897     <Field type="ulong" contentType="bytes" name="maxSize" label="Maximum Young Generation Size" />
898     <Field type="uint" name="newRatio" label="New Ratio" description="The size of the young generation relative to the tenu
899   </Event>
900 
901   <Event name="ZPageAllocation" category="Java Application" label="ZPage Allocation" description="Allocation of a ZPage" th
902      <Field type="ulong" contentType="bytes" name="pageSize" label="Page Size" />
903      <Field type="ulong" contentType="bytes" name="usedAfter" label="Used After" />
904      <Field type="ulong" contentType="bytes" name="freeAfter" label="Free After" />
905      <Field type="ulong" contentType="bytes" name="inCacheAfter" label="In Cache After" />
906      <Field type="boolean" name="nonBlocking" label="Non-blocking" />
907      <Field type="boolean" name="noReserve" label="No Reserve" />
908   </Event>
909 
910   <Event name="ZThreadPhase" category="Java Virtual Machine, GC, Detailed" label="ZGC Thread Phase" thread="true">
911     <Field type="uint" name="gcId" label="GC Identifier" relation="GcId"/>
912     <Field type="string" name="name" label="Name" />
913   </Event>
914 
915   <Event name="ZStatisticsCounter" category="Java Virtual Machine, GC, Detailed" label="Z Statistics Counter" thread="true"
916     <Field type="ZStatisticsCounterType" name="id" label="Id" />
917     <Field type="ulong" name="increment" label="Increment" />
918     <Field type="ulong" name="value" label="Value" />
919   </Event>
920 
921   <Event name="ZStatisticsSampler" category="Java Virtual Machine, GC, Detailed" label="Z Statistics Sampler" thread="true"
922     <Field type="ZStatisticsSamplerType" name="id" label="Id" />
923     <Field type="ulong" name="value" label="Value" />
924   </Event>
925 
926   <Type name="ZStatisticsCounterType" label="Z Statistics Counter">
927     <Field type="string" name="counter" label="Counter" />
928   </Type>
929 
930   <Type name="ZStatisticsSamplerType" label="Z Statistics Sampler">
931     <Field type="string" name="sampler" label="Sampler" />
932   </Type>
933 
934   <Type name="NetworkInterfaceName" label="Network Interface">
935     <Field type="string" name="networkInterface" label="Network Interface" description="Network Interface Name" />
936   </Type>
937 
938   <Type name="Thread" label="Thread">
939     <Field type="string" name="osName" label="OS Thread Name" />
940     <Field type="long" name="osThreadId" label="OS Thread Id" />
941     <Field type="string" name="javaName" label="Java Thread Name" />
942     <Field type="long" name="javaThreadId" label="Java Thread Id" />
943     <Field type="ThreadGroup" name="group" label="Java Thread Group" />
944   </Type>
945 
946   <Type name="ThreadGroup" label="Thread Group">
947     <Field type="ThreadGroup" name="parent" label="Parent" />
948     <Field type="string" name="name" label="Name" />
949   </Type>
950 
951   <Type name="Class" label="Java Class">
952     <Field type="ClassLoader" name="classLoader" label="Class Loader" />
953     <Field type="Symbol" name="name" label="Name" />
954     <Field type="Package" name="package" label="Package" />
955     <Field type="int" name="modifiers" label="Access Modifiers" />
956   </Type>
957 
958   <Type name="ClassLoader" label="Java Class Loader">
959     <Field type="Class" name="type" label="Type" />
960     <Field type="Symbol" name="name" label="Name" />
961   </Type>
962 
963   <Type name="Method" label="Java Method">
964     <Field type="Class" name="type" label="Type" />
965     <Field type="Symbol" name="name" label="Name" />
966     <Field type="Symbol" name="descriptor" label="Descriptor" />
967     <Field type="int" name="modifiers" label="Access Modifiers" />
968     <Field type="boolean" name="hidden" label="Hidden" />
969   </Type>
970 
971   <Type name="Symbol" label="Symbol">
972     <Field type="string" name="string" label="String" />
973   </Type>
974 
975   <Type name="ThreadState" label="Java Thread State">
976     <Field type="string" name="name" label="Name" />
977   </Type>
978 
979   <Type name="GCName" label="GC Name">
980     <Field type="string" name="name" label="Name" />
981   </Type>
982 
983   <Type name="GCCause" label="GC Cause">
984     <Field type="string" name="cause" label="Cause" />
985   </Type>
986 
987   <Type name="GCWhen" label="GC When">
988     <Field type="string" name="when" label="When" />
989   </Type>
990 
991   <Type name="G1HeapRegionType" label="G1 Heap Region Type">
992     <Field type="string" name="type" label="Type" />
993   </Type>
994 
995   <Type name="G1YCType" label="G1 YC Type">
996     <Field type="string" name="type" label="Type" />
997   </Type>
998 
999   <Type name="GCThresholdUpdater" label="GC Threshold Updater">
1000     <Field type="string" name="updater" label="Updater" />
1001   </Type>
1002 
1003   <Type name="ReferenceType" label="Reference Type">
1004     <Field type="string" name="type" label="Type" />
1005   </Type>
1006 
1007   <Type name="MetadataType" label="Metadata Type">
1008     <Field type="string" name="type" label="Type" />
1009   </Type>
1010 
1011   <Type name="MetaspaceObjectType" label="Metaspace Object Type">
1012     <Field type="string" name="type" label="Type" />
1013   </Type>
1014 
1015   <Type name="NarrowOopMode" label="Narrow Oop Mode">
1016     <Field type="string" name="mode" label="Mode" />
1017   </Type>
1018 
1019   <Type name="VMOperationType" label="VM Operation Type">
1020     <Field type="string" name="type" label="Type" />
1021   </Type>
1022 
1023   <Type name="CompilerPhaseType" label="Compiler Phase Type">
1024     <Field type="string" name="phase" label="Phase" />
1025   </Type>
1026 
1027   <Type name="FlagValueOrigin" label="Flag Value Origin">
1028     <Field type="string" name="origin" label="Origin" />
1029   </Type>
1030 
1031   <Type name="CodeBlobType" label="Code Blob Type">
1032     <Field type="string" name="type" label="Type" />
1033   </Type>
1034 
1035   <Type name="InflateCause" label="Inflation Cause">
1036     <Field type="string" name="cause" label="Cause" />
1037   </Type>
1038 
1039   <Type name="Module" label="Module">
1040     <Field type="Symbol" name="name" label="Name" />
1041     <Field type="Symbol" name="version" label="Version" />
1042     <Field type="Symbol" name="location" label="Location" />
1043     <Field type="ClassLoader" name="classLoader" label="Class Loader" />
1044   </Type>
1045 
1046   <Type name="Package" label="Package">
1047     <Field type="Symbol" name="name" label="Name" />
1048     <Field type="Module" name="module" label="Module" />
1049     <Field type="boolean" name="exported" label="Exported" />
1050   </Type>
1051 
1052   <Type name="StackTrace" label="Stacktrace">
1053     <Field type="boolean" name="truncated" label="Truncated" />
1054     <Field type="StackFrame" array="true" struct="true" name="frames" label="Stack Frames" />
1055   </Type>
1056 
1057   <Type name="FrameType" label="Frame type">
1058     <Field type="string" name="description" label="Description" />
1059   </Type>
1060 
1061   <Type name="OldObjectRootSystem" label="GC Root System">
1062     <Field type="string" name="system" label="System" />
1063   </Type>
1064 
1065   <Type name="OldObjectRootType" label="GC Root Type">
1066     <Field type="string" name="type" label="Type" />
1067   </Type>
1068 
1069   <Type name="OldObjectGcRoot" label="GC Root">
1070     <Field type="string" name="description" label="Root Description" description="Root information" />
1071     <Field type="OldObjectRootSystem" name="system" label="System" description="The subsystem of origin for the root" />
1072     <Field type="OldObjectRootType" name="type" label="Type" description="The root type" />
1073   </Type>
1074 
1075   <Type name="OldObjectArray" label="Old Object Array">
1076     <Field type="int" name="size" label="Array Size" description="Size of array" />
1077     <Field type="int" name="index" label="Index" description="Index in the array" />
1078   </Type>
1079 
1080   <Type name="OldObjectField" label="Old Object Field">
1081     <Field type="string" name="name" label="Field" description="Name of field" />
1082     <Field type="short" name="modifiers" label="Field Modifiers" description="Field modifiers" />
1083   </Type>
1084 
1085   <Type name="OldObject" label="Old Object">
1086     <Field type="ulong" contentType="address" name="address" label="Memory Address" />
1087     <Field type="Class" name="type" label="Java Class" />
1088     <Field type="string" name="description" label="Object Description" description="Object description" />
1089     <Field type="Reference" name="referrer" label="Referrer Object" description="Object referencing this object" />
1090   </Type>
1091 
1092   <Type name="Reference" label="Reference">
1093     <Field type="OldObjectArray" name="array" label="Array Information" description="Array or null if it is not an array" /
1094     <Field type="OldObjectField" name="field" label="Field Information" description="Field or null if it is an array" />
1095     <Field type="OldObject" name="object" label="Object" description="Object holder for this reference" />
1096     <Field type="int" name="skip" label="Skip value" description="The object is this many hops away" />
1097   </Type>
1098 
1099   <Type name="StackFrame">
1100     <Field type="Method" name="method" label="Java Method" />
1101     <Field type="int" name="lineNumber" label="Line Number" />
1102     <Field type="int" name="bytecodeIndex" label="Bytecode Index" />
1103     <Field type="FrameType" name="type" label="Frame Type" />
1104   </Type>
1105  
1106   <Relation name="JavaMonitorAddress"/>
1107   <Relation name="SafepointId"/>
1108   <Relation name="GcId"/>
1109   <Relation name="CompileId" />
1110   <Relation name="SweepId"/>
1111  
1112   <XmlType name="Package" parameterType="const PackageEntry*" fieldType="const PackageEntry*"/> 
1113   <XmlType name="Class" javaType="java.lang.Class" parameterType="const Klass*" fieldType="const Klass*"/> 
1114   <XmlType name="Module"  parameterType="const ModuleEntry*" fieldType="const ModuleEntry*"/> 
1115   <XmlType name="ClassLoader" parameterType="const ClassLoaderData*" fieldType="const ClassLoaderData*"/> 
1116   <XmlType name="Method" parameterType="const Method*" fieldType="const Method*"/> 
1117   <XmlType name="Thread" javaType="java.lang.Thread" parameterType="u8" fieldType="u8"/> 
1118   <XmlType name="Tickspan" contentType="tickspan" javaType="long" parameterType="const Tickspan&amp;" fieldType="Tickspan"/
1119   <XmlType name="Ticks" contentType="tickstamp" javaType="long" parameterType="const Ticks&amp;" fieldType="Ticks"/> 
1120   <XmlType name="ulong" javaType="long" unsigned="true" parameterType="u8" fieldType="u8"/> 
1121   <XmlType name="uint" javaType="int" unsigned="true" parameterType="unsigned" fieldType="unsigned"/> 
1122   <XmlType name="ushort" javaType="short" unsigned="true" parameterType="u2" fieldType="u2"/> 
1123   <XmlType name="ubyte" javaType="byte" unsigned="true" parameterType="u1" fieldType="u1"/> 
1124   <XmlType name="long" javaType="long" parameterType="s8" fieldType="s8"/> 
1125   <XmlType name="int" javaType="int" parameterType="s4" fieldType="s4"/> 
1126   <XmlType name="short" javaType="short" parameterType="s2" fieldType="s2"/> 
1127   <XmlType name="byte" javaType="byte"  parameterType="s1" fieldType="s1"/> 
1128   <XmlType name="double" javaType="double" parameterType="double" fieldType="double"/> 
1129   <XmlType name="float" javaType="float"  parameterType="float" fieldType="float"/> 
1130   <XmlType name="boolean" javaType="boolean" parameterType="bool" fieldType="bool"/> 
1131   <XmlType name="char" javaType="char" parameterType="char" fieldType="char"/> 
1132   <XmlType name="string" javaType="java.lang.String" parameterType="const char*" fieldType="const char*"/> 
1133  
1134   <XmlContentType name="bytes" annotationType="jdk.jfr.DataAmount" annotationValue="BYTES" />
1135   <XmlContentType name="tickstamp" annotationType="jdk.jfr.Timestamp" annotationValue="TICKS" />
1136   <XmlContentType name="epochmillis" annotationType="jdk.jfr.Timestamp" annotationValue="MILLISECONDS_SINCE_EPOCH" />
1137   <XmlContentType name="tickspan" annotationType="jdk.jfr.Timespan" annotationValue="TICKS" />
1138   <XmlContentType name="address" annotationType="jdk.jfr.MemoryAddress" />
1139   <XmlContentType name="percentage" annotationType="jdk.jfr.Percentage" />
1140   <XmlContentType name="millis" annotationType="jdk.jfr.Timespan" annotationValue="MILLISECONDS" />
1141 
1142 </Metadata>
--- EOF ---