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src/hotspot/share/jfr/metadata/metadata.xml

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1161     startTime="false">
1162     <Field type="uint" name="index" label="Index" />
1163     <Field type="ShenandoahHeapRegionState" name="from" label="From" />
1164     <Field type="ShenandoahHeapRegionState" name="to" label="To" />
1165     <Field type="ulong" contentType="address" name="start" label="Start" />
1166     <Field type="ulong" contentType="bytes" name="used" label="Used" />
1167   </Event>
1168 
1169   <Event name="ShenandoahHeapRegionInformation" category="Java Virtual Machine, GC, Detailed" label="Shenandoah Heap Region Information" description="Information about a specific heap region in the Shenandoah GC"
1170     period="everyChunk">
1171     <Field type="uint" name="index" label="Index" />
1172     <Field type="ShenandoahHeapRegionState" name="state" label="State" />
1173     <Field type="ulong" contentType="address" name="start" label="Start" />
1174     <Field type="ulong" contentType="bytes" name="used" label="Used" />
1175   </Event>
1176 
1177   <Type name="ShenandoahHeapRegionState" label="Shenandoah Heap Region State">
1178     <Field type="string" name="state" label="State" />
1179   </Type>
1180 

















1181   <Event name="Flush" category="Flight Recorder" label="Flush" thread="false" experimental="true">
1182     <Field type="ulong" name="flushId" label="Flush Identifier" relation="FlushId" />
1183     <Field type="ulong" name="elements" label="Elements Written" />
1184     <Field type="ulong" contentType="bytes" name="size" label="Size Written" />
1185   </Event>
1186 
1187   <Event name="HeapDump" category="Java Virtual Machine, Diagnostics" label="Heap Dump" description="Information about a successfully written Java heap dump"
1188     stackTrace="true" thread="true">
1189     <Field type="string" name="destination" label="Destination Path of the Dump" />
1190     <Field type="long" name="size" label="Size" />
1191     <Field type="boolean" name="gcBeforeDump" label="GC Before Dump" />
1192     <Field type="boolean" name="onOutOfMemoryError" label="Heap Dump on Out of Memory Error" />
1193     <Field type="boolean" name="overwrite" label="Overwrite" description="Heap dump overwrites previous file location if it exists" />
1194     <Field type="int" name="compression" label="Compression Level" description="Compression level of the dump, if larger than 0 we use gzip compression with this level" />
1195   </Event>
1196 
1197   <Event name="GCLocker" category="Java Virtual Machine, GC, Detailed" label="GC Locker" startTime="true" thread="true" stackTrace="true">
1198     <Field type="uint" name="lockCount" label="Lock Count" description="The number of Java threads in a critical section when the GC locker is started" />
1199     <Field type="uint" name="stallCount" label="Stall Count" description="The number of Java threads stalled by the GC locker" />
1200   </Event>

1161     startTime="false">
1162     <Field type="uint" name="index" label="Index" />
1163     <Field type="ShenandoahHeapRegionState" name="from" label="From" />
1164     <Field type="ShenandoahHeapRegionState" name="to" label="To" />
1165     <Field type="ulong" contentType="address" name="start" label="Start" />
1166     <Field type="ulong" contentType="bytes" name="used" label="Used" />
1167   </Event>
1168 
1169   <Event name="ShenandoahHeapRegionInformation" category="Java Virtual Machine, GC, Detailed" label="Shenandoah Heap Region Information" description="Information about a specific heap region in the Shenandoah GC"
1170     period="everyChunk">
1171     <Field type="uint" name="index" label="Index" />
1172     <Field type="ShenandoahHeapRegionState" name="state" label="State" />
1173     <Field type="ulong" contentType="address" name="start" label="Start" />
1174     <Field type="ulong" contentType="bytes" name="used" label="Used" />
1175   </Event>
1176 
1177   <Type name="ShenandoahHeapRegionState" label="Shenandoah Heap Region State">
1178     <Field type="string" name="state" label="State" />
1179   </Type>
1180 
1181   <Event name="ShenandoahEvacInfo" category="Java Virtual Machine, GC, Detailed" label="Shenandoah Evacuation Information" startTime="false">
1182     <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" />
1183     <Field type="ulong" name="cSetRegions" label="Collection Set Regions" />
1184     <Field type="ulong" contentType="bytes" name="cSetUsedBefore" label="Collection Set Before" description="Memory usage before GC in the collection set regions" />
1185     <Field type="ulong" contentType="bytes" name="cSetUsedAfter" label="Collection Set After" description="Memory usage after GC in the collection set regions" />
1186     <Field type="ulong" contentType="bytes" name="collectedOld" label="Collected Old" description="Memory collected from old generation" />
1187     <Field type="ulong" contentType="bytes" name="collectedPromoted" label="Collected Promoted" description="Memory collected from generation promotion" />
1188     <Field type="ulong" contentType="bytes" name="collectedYoung" label="Collection Young" description="Memory collected from young generation" />
1189     <Field type="ulong" name="regionsPromotedHumongous" label="Regions Promoted Humongous" />
1190     <Field type="ulong" name="regionsPromotedRegular" label="Regions Promoted Regular" />
1191     <Field type="ulong" contentType="bytes" name="regularPromotedGarbage" label="Regular Promoted Garbage" description="Garbage memory of in place promoted regular regions" />
1192     <Field type="ulong" contentType="bytes" name="regularPromotedFree" label="Regular Promoted Free" description="Free memory of in place promoted regular regions" />
1193     <Field type="ulong" name="regionsFreed" label="Regions Freed" description="Free regions prior to determining collection set" />
1194     <Field type="ulong" name="regionsImmediate" label="Regions Immediate" />
1195     <Field type="ulong" contentType="bytes" name="immediateBytes" label="Immediate Bytes" />
1196   </Event>
1197   
1198   <Event name="Flush" category="Flight Recorder" label="Flush" thread="false" experimental="true">
1199     <Field type="ulong" name="flushId" label="Flush Identifier" relation="FlushId" />
1200     <Field type="ulong" name="elements" label="Elements Written" />
1201     <Field type="ulong" contentType="bytes" name="size" label="Size Written" />
1202   </Event>
1203 
1204   <Event name="HeapDump" category="Java Virtual Machine, Diagnostics" label="Heap Dump" description="Information about a successfully written Java heap dump"
1205     stackTrace="true" thread="true">
1206     <Field type="string" name="destination" label="Destination Path of the Dump" />
1207     <Field type="long" name="size" label="Size" />
1208     <Field type="boolean" name="gcBeforeDump" label="GC Before Dump" />
1209     <Field type="boolean" name="onOutOfMemoryError" label="Heap Dump on Out of Memory Error" />
1210     <Field type="boolean" name="overwrite" label="Overwrite" description="Heap dump overwrites previous file location if it exists" />
1211     <Field type="int" name="compression" label="Compression Level" description="Compression level of the dump, if larger than 0 we use gzip compression with this level" />
1212   </Event>
1213 
1214   <Event name="GCLocker" category="Java Virtual Machine, GC, Detailed" label="GC Locker" startTime="true" thread="true" stackTrace="true">
1215     <Field type="uint" name="lockCount" label="Lock Count" description="The number of Java threads in a critical section when the GC locker is started" />
1216     <Field type="uint" name="stallCount" label="Stall Count" description="The number of Java threads stalled by the GC locker" />
1217   </Event>
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