open Sdiff src/hotspot/share/jfr/metadata

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

rev 58565 : 8238358: Implementation of JEP 371: Hidden Classes
Reviewed-by: duke
Contributed-by: mandy.chung@oracle.com, lois.foltan@oracle.com, david.holmes@oracle.com, harold.seigel@oracle.com, serguei.spitsyn@oracle.com, alex.buckley@oracle.com, jamsheed.c.m@oracle.com

 202 
 203   <Event name="MetaspaceSummary" category="Java Virtual Machine, GC, Heap" label="Metaspace Summary" startTime="false">
 204     <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" />
 205     <Field type="GCWhen" name="when" label="When" />
 206     <Field type="ulong" contentType="bytes" name="gcThreshold" label="GC Threshold" />
 207     <Field type="MetaspaceSizes" struct="true" name="metaspace" label="Total" />
 208     <Field type="MetaspaceSizes" struct="true" name="dataSpace" label="Data" />
 209     <Field type="MetaspaceSizes" struct="true" name="classSpace" label="Class" />
 210   </Event>
 211 
 212   <Event name="MetaspaceGCThreshold" category="Java Virtual Machine, GC, Metaspace" label="Metaspace GC Threshold" startTime="false">
 213     <Field type="ulong" contentType="bytes" name="oldValue" label="Old Value" />
 214     <Field type="ulong" contentType="bytes" name="newValue" label="New Value" />
 215     <Field type="GCThresholdUpdater" name="updater" label="Updater" />
 216   </Event>
 217 
 218   <Event name="MetaspaceAllocationFailure" category="Java Virtual Machine, GC, Metaspace" label="Metaspace Allocation Failure" startTime="false"
 219     stackTrace="true">
 220     <Field type="ClassLoader" name="classLoader" label="Class Loader" />
 221     <Field type="boolean" name="unsafeAnonymousClassLoader" label="Unsafe Anonymous Class Loader" />

 222     <Field type="ulong" contentType="bytes" name="size" label="Size" />
 223     <Field type="MetadataType" name="metadataType" label="Metadata Type" />
 224     <Field type="MetaspaceObjectType" name="metaspaceObjectType" label="Metaspace Object Type" />
 225   </Event>
 226 
 227   <Event name="MetaspaceOOM" category="Java Virtual Machine, GC, Metaspace" label="Metaspace Out of Memory" startTime="false" stackTrace="true">
 228     <Field type="ClassLoader" name="classLoader" label="Class Loader" />
 229     <Field type="boolean" name="unsafeAnonymousClassLoader" label="Unsafe Anonymous Class Loader" />

 230     <Field type="ulong" contentType="bytes" name="size" label="Size" />
 231     <Field type="MetadataType" name="metadataType" label="Metadata Type" />
 232     <Field type="MetaspaceObjectType" name="metaspaceObjectType" label="Metaspace Object Type" />
 233   </Event>
 234 
 235   <Event name="MetaspaceChunkFreeListSummary" category="Java Virtual Machine, GC, Metaspace" label="Metaspace Chunk Free List Summary" startTime="false">
 236     <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" />
 237     <Field type="GCWhen" name="when" label="When" />
 238     <Field type="MetadataType" name="metadataType" label="Metadata Type" />
 239     <Field type="ulong" name="specializedChunks" label="Specialized Chunks" />
 240     <Field type="ulong" contentType="bytes" name="specializedChunksTotalSize" label="Specialized Chunks Total Size" />
 241     <Field type="ulong" name="smallChunks" label="Small Chunks" />
 242     <Field type="ulong" contentType="bytes" name="smallChunksTotalSize" label="Small Chunks Total Size" />
 243     <Field type="ulong" name="mediumChunks" label="Medium Chunks" />
 244     <Field type="ulong" contentType="bytes" name="mediumChunksTotalSize" label="Medium Chunks Total Size" />
 245     <Field type="ulong" name="humongousChunks" label="Humongous Chunks" />
 246     <Field type="ulong" contentType="bytes" name="humongousChunksTotalSize" label="Humongous Chunks Total Size" />
 247   </Event>
 248 
 249   <Event name="PSHeapSummary" category="Java Virtual Machine, GC, Heap" label="Parallel Scavenge Heap Summary" startTime="false">

 707     <Field type="long" name="peakCount" label="Peak Threads" description="Peak live thread count since JVM start or when peak count was reset" />
 708   </Event>
 709 
 710   <Event name="ClassLoadingStatistics" category="Java Application, Statistics" label="Class Loading Statistics" period="everyChunk">
 711     <Field type="long" name="loadedClassCount" label="Loaded Class Count" description="Number of classes loaded since JVM start" />
 712     <Field type="long" name="unloadedClassCount" label="Unloaded Class Count" description="Number of classes unloaded since JVM start" />
 713   </Event>
 714 
 715   <Event name="ClassLoaderStatistics" category="Java Application, Statistics" label="Class Loader Statistics" period="everyChunk">
 716     <Field type="ClassLoader" name="classLoader" label="Class Loader" />
 717     <Field type="ClassLoader" name="parentClassLoader" label="Parent Class Loader" />
 718     <Field type="ulong" contentType="address" name="classLoaderData" label="ClassLoaderData Pointer" description="Pointer to the ClassLoaderData structure in the JVM" />
 719     <Field type="long" name="classCount" label="Classes" description="Number of loaded classes" />
 720     <Field type="ulong" contentType="bytes" name="chunkSize" label="Total Chunk Size" description="Total size of all allocated metaspace chunks (each chunk has several blocks)" />
 721     <Field type="ulong" contentType="bytes" name="blockSize" label="Total Block Size" description="Total size of all allocated metaspace blocks (each chunk has several blocks)" />
 722     <Field type="long" name="unsafeAnonymousClassCount" label="Unsafe Anonymous Classes" description="Number of loaded classes to support invokedynamic" />
 723     <Field type="ulong" contentType="bytes" name="unsafeAnonymousChunkSize" label="Total Unsafe Anonymous Classes Chunk Size"
 724       description="Total size of all allocated metaspace chunks for unsafe anonymous classes (each chunk has several blocks)" />
 725     <Field type="ulong" contentType="bytes" name="unsafeAnonymousBlockSize" label="Total Unsafe Anonymous Classes Block Size"
 726       description="Total size of all allocated metaspace blocks for unsafe anonymous classes (each chunk has several blocks)" />





 727   </Event>
 728 
 729   <Event name="SymbolTableStatistics" category="Java Virtual Machine, Runtime, Tables" label="Symbol Table Statistics" period="everyChunk">
 730     <Field type="ulong" name="bucketCount" label="Bucket Count" description="Number of buckets" />
 731     <Field type="ulong" name="entryCount" label="Entry Count" description="Number of all entries" />
 732     <Field type="ulong" contentType="bytes" name="totalFootprint" label="Total Footprint" description="Total memory footprint (the table itself plus all of the entries)" />
 733     <Field type="ulong" name="bucketCountMaximum" label="Maximum Bucket Count" description="The maximum bucket length (entries in a single bucket)" />
 734     <Field type="float" name="bucketCountAverage" label="Average Bucket Count" description="The average bucket length" />
 735     <Field type="float" name="bucketCountVariance" label="Bucket Count Variance" description="How far bucket lengths are spread out from their average value" />
 736     <Field type="float" name="bucketCountStandardDeviation" label="Bucket Count Standard Deviation" description="How far bucket lengths are spread out from their mean (expected) value" />
 737     <Field type="float" name="insertionRate" label="Insertion Rate" description="How many items were added since last event (per second)" />
 738     <Field type="float" name="removalRate" label="Removal Rate" description="How many items were removed since last event (per second)" />
 739   </Event>
 740 
 741   <Event name="StringTableStatistics" category="Java Virtual Machine, Runtime, Tables" label="String Table Statistics" period="everyChunk">
 742     <Field type="ulong" name="bucketCount" label="Bucket Count" description="Number of buckets" />
 743     <Field type="ulong" name="entryCount" label="Entry Count" description="Number of all entries" />
 744     <Field type="ulong" contentType="bytes" name="totalFootprint" label="Total Footprint" description="Total memory footprint (the table itself plus all of the entries)" />
 745     <Field type="ulong" name="bucketCountMaximum" label="Maximum Bucket Count" description="The maximum bucket length (entries in a single bucket)" />
 746     <Field type="float" name="bucketCountAverage" label="Average Bucket Count" description="The average bucket length" />

1076   </Type>
1077 
1078   <Type name="Thread" label="Thread">
1079     <Field type="string" name="osName" label="OS Thread Name" />
1080     <Field type="long" name="osThreadId" label="OS Thread Id" />
1081     <Field type="string" name="javaName" label="Java Thread Name" />
1082     <Field type="long" name="javaThreadId" label="Java Thread Id" />
1083     <Field type="ThreadGroup" name="group" label="Java Thread Group" />
1084   </Type>
1085 
1086   <Type name="ThreadGroup" label="Thread Group">
1087     <Field type="ThreadGroup" name="parent" label="Parent" />
1088     <Field type="string" name="name" label="Name" />
1089   </Type>
1090 
1091   <Type name="Class" label="Java Class">
1092     <Field type="ClassLoader" name="classLoader" label="Class Loader" />
1093     <Field type="Symbol" name="name" label="Name" />
1094     <Field type="Package" name="package" label="Package" />
1095     <Field type="int" name="modifiers" label="Access Modifiers" />

1096   </Type>
1097 
1098   <Type name="ClassLoader" label="Java Class Loader">
1099     <Field type="Class" name="type" label="Type" />
1100     <Field type="Symbol" name="name" label="Name" />
1101   </Type>
1102 
1103   <Type name="Method" label="Java Method">
1104     <Field type="Class" name="type" label="Type" />
1105     <Field type="Symbol" name="name" label="Name" />
1106     <Field type="Symbol" name="descriptor" label="Descriptor" />
1107     <Field type="int" name="modifiers" label="Access Modifiers" />
1108     <Field type="boolean" name="hidden" label="Hidden" />
1109   </Type>
1110 
1111   <Type name="Symbol" label="Symbol">
1112     <Field type="string" name="string" label="String" />
1113   </Type>
1114 
1115   <Type name="ThreadState" label="Java Thread State">

 202 
 203   <Event name="MetaspaceSummary" category="Java Virtual Machine, GC, Heap" label="Metaspace Summary" startTime="false">
 204     <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" />
 205     <Field type="GCWhen" name="when" label="When" />
 206     <Field type="ulong" contentType="bytes" name="gcThreshold" label="GC Threshold" />
 207     <Field type="MetaspaceSizes" struct="true" name="metaspace" label="Total" />
 208     <Field type="MetaspaceSizes" struct="true" name="dataSpace" label="Data" />
 209     <Field type="MetaspaceSizes" struct="true" name="classSpace" label="Class" />
 210   </Event>
 211 
 212   <Event name="MetaspaceGCThreshold" category="Java Virtual Machine, GC, Metaspace" label="Metaspace GC Threshold" startTime="false">
 213     <Field type="ulong" contentType="bytes" name="oldValue" label="Old Value" />
 214     <Field type="ulong" contentType="bytes" name="newValue" label="New Value" />
 215     <Field type="GCThresholdUpdater" name="updater" label="Updater" />
 216   </Event>
 217 
 218   <Event name="MetaspaceAllocationFailure" category="Java Virtual Machine, GC, Metaspace" label="Metaspace Allocation Failure" startTime="false"
 219     stackTrace="true">
 220     <Field type="ClassLoader" name="classLoader" label="Class Loader" />
 221     <Field type="boolean" name="unsafeAnonymousClassLoader" label="Unsafe Anonymous Class Loader" />
 222     <Field type="boolean" name="hiddenClassLoader" label="Hidden Class Loader" />
 223     <Field type="ulong" contentType="bytes" name="size" label="Size" />
 224     <Field type="MetadataType" name="metadataType" label="Metadata Type" />
 225     <Field type="MetaspaceObjectType" name="metaspaceObjectType" label="Metaspace Object Type" />
 226   </Event>
 227 
 228   <Event name="MetaspaceOOM" category="Java Virtual Machine, GC, Metaspace" label="Metaspace Out of Memory" startTime="false" stackTrace="true">
 229     <Field type="ClassLoader" name="classLoader" label="Class Loader" />
 230     <Field type="boolean" name="unsafeAnonymousClassLoader" label="Unsafe Anonymous Class Loader" />
 231     <Field type="boolean" name="hiddenClassLoader" label="Hidden Class Loader" />
 232     <Field type="ulong" contentType="bytes" name="size" label="Size" />
 233     <Field type="MetadataType" name="metadataType" label="Metadata Type" />
 234     <Field type="MetaspaceObjectType" name="metaspaceObjectType" label="Metaspace Object Type" />
 235   </Event>
 236 
 237   <Event name="MetaspaceChunkFreeListSummary" category="Java Virtual Machine, GC, Metaspace" label="Metaspace Chunk Free List Summary" startTime="false">
 238     <Field type="uint" name="gcId" label="GC Identifier" relation="GcId" />
 239     <Field type="GCWhen" name="when" label="When" />
 240     <Field type="MetadataType" name="metadataType" label="Metadata Type" />
 241     <Field type="ulong" name="specializedChunks" label="Specialized Chunks" />
 242     <Field type="ulong" contentType="bytes" name="specializedChunksTotalSize" label="Specialized Chunks Total Size" />
 243     <Field type="ulong" name="smallChunks" label="Small Chunks" />
 244     <Field type="ulong" contentType="bytes" name="smallChunksTotalSize" label="Small Chunks Total Size" />
 245     <Field type="ulong" name="mediumChunks" label="Medium Chunks" />
 246     <Field type="ulong" contentType="bytes" name="mediumChunksTotalSize" label="Medium Chunks Total Size" />
 247     <Field type="ulong" name="humongousChunks" label="Humongous Chunks" />
 248     <Field type="ulong" contentType="bytes" name="humongousChunksTotalSize" label="Humongous Chunks Total Size" />
 249   </Event>
 250 
 251   <Event name="PSHeapSummary" category="Java Virtual Machine, GC, Heap" label="Parallel Scavenge Heap Summary" startTime="false">

 709     <Field type="long" name="peakCount" label="Peak Threads" description="Peak live thread count since JVM start or when peak count was reset" />
 710   </Event>
 711 
 712   <Event name="ClassLoadingStatistics" category="Java Application, Statistics" label="Class Loading Statistics" period="everyChunk">
 713     <Field type="long" name="loadedClassCount" label="Loaded Class Count" description="Number of classes loaded since JVM start" />
 714     <Field type="long" name="unloadedClassCount" label="Unloaded Class Count" description="Number of classes unloaded since JVM start" />
 715   </Event>
 716 
 717   <Event name="ClassLoaderStatistics" category="Java Application, Statistics" label="Class Loader Statistics" period="everyChunk">
 718     <Field type="ClassLoader" name="classLoader" label="Class Loader" />
 719     <Field type="ClassLoader" name="parentClassLoader" label="Parent Class Loader" />
 720     <Field type="ulong" contentType="address" name="classLoaderData" label="ClassLoaderData Pointer" description="Pointer to the ClassLoaderData structure in the JVM" />
 721     <Field type="long" name="classCount" label="Classes" description="Number of loaded classes" />
 722     <Field type="ulong" contentType="bytes" name="chunkSize" label="Total Chunk Size" description="Total size of all allocated metaspace chunks (each chunk has several blocks)" />
 723     <Field type="ulong" contentType="bytes" name="blockSize" label="Total Block Size" description="Total size of all allocated metaspace blocks (each chunk has several blocks)" />
 724     <Field type="long" name="unsafeAnonymousClassCount" label="Unsafe Anonymous Classes" description="Number of loaded classes to support invokedynamic" />
 725     <Field type="ulong" contentType="bytes" name="unsafeAnonymousChunkSize" label="Total Unsafe Anonymous Classes Chunk Size"
 726       description="Total size of all allocated metaspace chunks for unsafe anonymous classes (each chunk has several blocks)" />
 727     <Field type="ulong" contentType="bytes" name="unsafeAnonymousBlockSize" label="Total Unsafe Anonymous Classes Block Size"
 728       description="Total size of all allocated metaspace blocks for unsafe anonymous classes (each chunk has several blocks)" />
 729     <Field type="long" name="hiddenClassCount" label="Hidden Classes" description="Number of hidden classes" />
 730     <Field type="ulong" contentType="bytes" name="hiddenChunkSize" label="Total Hidden Classes Chunk Size"
 731       description="Total size of all allocated metaspace chunks for hidden classes (each chunk has several blocks)" />
 732     <Field type="ulong" contentType="bytes" name="hiddenBlockSize" label="Total Hidden Classes Block Size"
 733       description="Total size of all allocated metaspace blocks for hidden classes (each chunk has several blocks)" />
 734   </Event>
 735 
 736   <Event name="SymbolTableStatistics" category="Java Virtual Machine, Runtime, Tables" label="Symbol Table Statistics" period="everyChunk">
 737     <Field type="ulong" name="bucketCount" label="Bucket Count" description="Number of buckets" />
 738     <Field type="ulong" name="entryCount" label="Entry Count" description="Number of all entries" />
 739     <Field type="ulong" contentType="bytes" name="totalFootprint" label="Total Footprint" description="Total memory footprint (the table itself plus all of the entries)" />
 740     <Field type="ulong" name="bucketCountMaximum" label="Maximum Bucket Count" description="The maximum bucket length (entries in a single bucket)" />
 741     <Field type="float" name="bucketCountAverage" label="Average Bucket Count" description="The average bucket length" />
 742     <Field type="float" name="bucketCountVariance" label="Bucket Count Variance" description="How far bucket lengths are spread out from their average value" />
 743     <Field type="float" name="bucketCountStandardDeviation" label="Bucket Count Standard Deviation" description="How far bucket lengths are spread out from their mean (expected) value" />
 744     <Field type="float" name="insertionRate" label="Insertion Rate" description="How many items were added since last event (per second)" />
 745     <Field type="float" name="removalRate" label="Removal Rate" description="How many items were removed since last event (per second)" />
 746   </Event>
 747 
 748   <Event name="StringTableStatistics" category="Java Virtual Machine, Runtime, Tables" label="String Table Statistics" period="everyChunk">
 749     <Field type="ulong" name="bucketCount" label="Bucket Count" description="Number of buckets" />
 750     <Field type="ulong" name="entryCount" label="Entry Count" description="Number of all entries" />
 751     <Field type="ulong" contentType="bytes" name="totalFootprint" label="Total Footprint" description="Total memory footprint (the table itself plus all of the entries)" />
 752     <Field type="ulong" name="bucketCountMaximum" label="Maximum Bucket Count" description="The maximum bucket length (entries in a single bucket)" />
 753     <Field type="float" name="bucketCountAverage" label="Average Bucket Count" description="The average bucket length" />

1083   </Type>
1084 
1085   <Type name="Thread" label="Thread">
1086     <Field type="string" name="osName" label="OS Thread Name" />
1087     <Field type="long" name="osThreadId" label="OS Thread Id" />
1088     <Field type="string" name="javaName" label="Java Thread Name" />
1089     <Field type="long" name="javaThreadId" label="Java Thread Id" />
1090     <Field type="ThreadGroup" name="group" label="Java Thread Group" />
1091   </Type>
1092 
1093   <Type name="ThreadGroup" label="Thread Group">
1094     <Field type="ThreadGroup" name="parent" label="Parent" />
1095     <Field type="string" name="name" label="Name" />
1096   </Type>
1097 
1098   <Type name="Class" label="Java Class">
1099     <Field type="ClassLoader" name="classLoader" label="Class Loader" />
1100     <Field type="Symbol" name="name" label="Name" />
1101     <Field type="Package" name="package" label="Package" />
1102     <Field type="int" name="modifiers" label="Access Modifiers" />
1103     <Field type="boolean" name="hidden" label="Hidden" />
1104   </Type>
1105 
1106   <Type name="ClassLoader" label="Java Class Loader">
1107     <Field type="Class" name="type" label="Type" />
1108     <Field type="Symbol" name="name" label="Name" />
1109   </Type>
1110 
1111   <Type name="Method" label="Java Method">
1112     <Field type="Class" name="type" label="Type" />
1113     <Field type="Symbol" name="name" label="Name" />
1114     <Field type="Symbol" name="descriptor" label="Descriptor" />
1115     <Field type="int" name="modifiers" label="Access Modifiers" />
1116     <Field type="boolean" name="hidden" label="Hidden" />
1117   </Type>
1118 
1119   <Type name="Symbol" label="Symbol">
1120     <Field type="string" name="string" label="String" />
1121   </Type>
1122 
1123   <Type name="ThreadState" label="Java Thread State">

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