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

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 723 
 724   <Event name="ObjectAllocationOutsideTLAB" category="Java Application" label="Allocation outside TLAB" description="Allocation outside Thread Local Allocation Buffers"
 725     thread="true" stackTrace="true" startTime="false">
 726     <Field type="Class" name="objectClass" label="Object Class" description="Class of allocated object" />
 727     <Field type="ulong" contentType="bytes" name="allocationSize" label="Allocation Size" />
 728   </Event>
 729 
 730   <Event name="ObjectAllocationSample" category="Java Application" label="Object Allocation Sample" thread="true" stackTrace="true" startTime="false" throttle="true">
 731     <Field type="Class" name="objectClass" label="Object Class" description="Class of allocated object" />
 732     <Field type="long" contentType="bytes" name="weight" label="Sample Weight"
 733       description="The relative weight of the sample. Aggregating the weights for a large number of samples, for a particular class, thread or stack trace, gives a statistically accurate representation of the allocation pressure" />
 734   </Event>
 735 
 736   <Event name="OldObjectSample" category="Java Virtual Machine, Profiling" label="Old Object Sample" description="A potential memory leak" stackTrace="true" thread="true"
 737     startTime="false" cutoff="true">
 738     <Field type="Ticks" name="allocationTime" label="Allocation Time" />
 739     <Field type="ulong" contentType="bytes" name="objectSize" label="Object Size" />
 740     <Field type="Tickspan" name="objectAge" label="Object Age" />
 741     <Field type="ulong" contentType="bytes" name="lastKnownHeapUsage" label="Last Known Heap Usage" />
 742     <Field type="OldObject" name="object" label="Object" />
 743     <Field type="int" name="arrayElements" label="Array Elements" description="If the object is an array, the number of elements, or -1 if it is not an array" />
 744     <Field type="OldObjectGcRoot" name="root" label="GC Root" />
 745   </Event>
 746 
 747   <Event name="NativeMemoryUsage" category="Java Virtual Machine, Memory" label="Native Memory Usage Per Type"
 748     description="Native memory usage for a given memory type in the JVM" period="everyChunk">
 749     <Field type="NMTType" name="type" label="Memory Type" description="Type used for the native memory allocation" />
 750     <Field type="ulong" contentType="bytes" name="reserved" label="Reserved Memory" description="Reserved bytes for this type" />
 751     <Field type="ulong" contentType="bytes" name="committed" label="Committed Memory" description="Committed bytes for this type" />
 752   </Event>
 753 
 754   <Event name="NativeMemoryUsageTotal" category="Java Virtual Machine, Memory" label="Total Native Memory Usage"
 755     description="Total native memory usage for the JVM. Might not be the exact sum of the NativeMemoryUsage events due to timeing." period="everyChunk">
 756     <Field type="ulong" contentType="bytes" name="reserved" label="Reserved Memory" description="Total amount of reserved bytes for the JVM" />
 757     <Field type="ulong" contentType="bytes" name="committed" label="Committed Memory" description="Total amount of committed bytes for the JVM" />
 758   </Event>
 759 
 760   <Event name="DumpReason" category="Flight Recorder" label="Recording Reason"
 761          description="Who requested the recording and why"
 762          startTime="false">
 763     <Field type="string" name="reason" label="Reason" description="Reason for writing recording data to disk" />

 723 
 724   <Event name="ObjectAllocationOutsideTLAB" category="Java Application" label="Allocation outside TLAB" description="Allocation outside Thread Local Allocation Buffers"
 725     thread="true" stackTrace="true" startTime="false">
 726     <Field type="Class" name="objectClass" label="Object Class" description="Class of allocated object" />
 727     <Field type="ulong" contentType="bytes" name="allocationSize" label="Allocation Size" />
 728   </Event>
 729 
 730   <Event name="ObjectAllocationSample" category="Java Application" label="Object Allocation Sample" thread="true" stackTrace="true" startTime="false" throttle="true">
 731     <Field type="Class" name="objectClass" label="Object Class" description="Class of allocated object" />
 732     <Field type="long" contentType="bytes" name="weight" label="Sample Weight"
 733       description="The relative weight of the sample. Aggregating the weights for a large number of samples, for a particular class, thread or stack trace, gives a statistically accurate representation of the allocation pressure" />
 734   </Event>
 735 
 736   <Event name="OldObjectSample" category="Java Virtual Machine, Profiling" label="Old Object Sample" description="A potential memory leak" stackTrace="true" thread="true"
 737     startTime="false" cutoff="true">
 738     <Field type="Ticks" name="allocationTime" label="Allocation Time" />
 739     <Field type="ulong" contentType="bytes" name="objectSize" label="Object Size" />
 740     <Field type="Tickspan" name="objectAge" label="Object Age" />
 741     <Field type="ulong" contentType="bytes" name="lastKnownHeapUsage" label="Last Known Heap Usage" />
 742     <Field type="OldObject" name="object" label="Object" />
 743     <Field type="int" name="arrayElements" label="Array Elements" description="If the object is an array, the number of elements, or minimum value for the type int if it is not an array" />
 744     <Field type="OldObjectGcRoot" name="root" label="GC Root" />
 745   </Event>
 746 
 747   <Event name="NativeMemoryUsage" category="Java Virtual Machine, Memory" label="Native Memory Usage Per Type"
 748     description="Native memory usage for a given memory type in the JVM" period="everyChunk">
 749     <Field type="NMTType" name="type" label="Memory Type" description="Type used for the native memory allocation" />
 750     <Field type="ulong" contentType="bytes" name="reserved" label="Reserved Memory" description="Reserved bytes for this type" />
 751     <Field type="ulong" contentType="bytes" name="committed" label="Committed Memory" description="Committed bytes for this type" />
 752   </Event>
 753 
 754   <Event name="NativeMemoryUsageTotal" category="Java Virtual Machine, Memory" label="Total Native Memory Usage"
 755     description="Total native memory usage for the JVM. Might not be the exact sum of the NativeMemoryUsage events due to timeing." period="everyChunk">
 756     <Field type="ulong" contentType="bytes" name="reserved" label="Reserved Memory" description="Total amount of reserved bytes for the JVM" />
 757     <Field type="ulong" contentType="bytes" name="committed" label="Committed Memory" description="Total amount of committed bytes for the JVM" />
 758   </Event>
 759 
 760   <Event name="DumpReason" category="Flight Recorder" label="Recording Reason"
 761          description="Who requested the recording and why"
 762          startTime="false">
 763     <Field type="string" name="reason" label="Reason" description="Reason for writing recording data to disk" />
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