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8298035: Provide better descriptions for JIT compiler JFR events

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Reviewed-by: clanger, stuefe
This commit is contained in:
Matthias Baesken 2022-12-07 11:57:42 +00:00
parent bfcc238ed0
commit 58170f657c
1 changed files with 21 additions and 7 deletions
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28
src/hotspot/share/jfr/metadata/metadata.xml
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@ -566,12 +566,16 @@
<Field type="ulong" contentType="bytes" name="used" label="Used" />
</Event>
<Event name="JITRestart" category="Java Virtual Machine, Compiler" label="JIT Restart" stackTrace="false" startTime="false" thread="true">
<Event name="JITRestart" category="Java Virtual Machine, Compiler" label="JIT Restart"
description="Restart of the JIT compilers after they were stopped"
stackTrace="false" startTime="false" thread="true">
<Field type="ulong" contentType="bytes" name="freedMemory" label="Freed Memory" />
<Field type="ulong" contentType="bytes" name="codeCacheMaxCapacity" label="Code Cache Maximum Capacity" />
</Event>
<Event name="Compilation" category="Java Virtual Machine, Compiler" label="Compilation" thread="true">
<Event name="Compilation" category="Java Virtual Machine, Compiler" label="Compilation"
description="Results of method compilation attempts"
thread="true">
<Field type="uint" name="compileId" label="Compilation Identifier" relation="CompileId" />
<Field type="CompilerType" name="compiler" label="Compiler" />
<Field type="Method" name="method" label="Method" />
@ -582,13 +586,17 @@
<Field type="ulong" contentType="bytes" name="inlinedBytes" label="Inlined Code Size" />
</Event>
<Event name="CompilerPhase" category="Java Virtual Machine, Compiler" label="Compiler Phase" thread="true" >
<Event name="CompilerPhase" category="Java Virtual Machine, Compiler" label="Compiler Phase"
description="Describes various phases of the compilation process like inlining or string optimization related phases"
thread="true">
<Field type="CompilerPhaseType" name="phase" label="Compile Phase" />
<Field type="uint" name="compileId" label="Compilation Identifier" relation="CompileId" />
<Field type="ushort" name="phaseLevel" label="Phase Level" />
</Event>
<Event name="CompilationFailure" category="Java Virtual Machine, Compiler" label="Compilation Failure" thread="true" startTime="false">
<Event name="CompilationFailure" category="Java Virtual Machine, Compiler" label="Compilation Failure"
description="In case a JIT compilation failed, a compilation failure is triggered, reporting the reason"
thread="true" startTime="false">
<Field type="string" name="failureMessage" label="Failure Message" />
<Field type="uint" name="compileId" label="Compilation Identifier" relation="CompileId" />
</Event>
@ -599,7 +607,9 @@
<Field type="string" name="descriptor" label="Method Descriptor" />
</Type>
<Event name="CompilerInlining" category="Java Virtual Machine, Compiler, Optimization" label="Method Inlining" thread="true" startTime="false">
<Event name="CompilerInlining" category="Java Virtual Machine, Compiler, Optimization" label="Method Inlining"
description="Describes the result of a method inlining attempt"
thread="true" startTime="false">
<Field type="uint" name="compileId" label="Compilation Identifier" relation="CompileId" />
<Field type="Method" name="caller" label="Caller Method" />
<Field type="CalleeMethod" name="callee" struct="true" label="Callee Method" />
@ -608,7 +618,9 @@
<Field type="int" name="bci" label="Bytecode Index" />
</Event>
<Event name="CodeCacheFull" category="Java Virtual Machine, Code Cache" label="Code Cache Full" thread="true" startTime="false">
<Event name="CodeCacheFull" category="Java Virtual Machine, Code Cache" label="Code Cache Full"
description="A code heap is full, this leads to disabling the compiler"
thread="true" startTime="false">
<Field type="CodeBlobType" name="codeBlobType" label="Code Heap" />
<Field type="ulong" contentType="address" name="startAddress" label="Start Address" />
<Field type="ulong" contentType="address" name="commitedTopAddress" label="Commited Top" />
@ -621,7 +633,9 @@
<Field type="ulong" contentType="bytes" name="codeCacheMaxCapacity" label="Code Cache Maximum Capacity" />
</Event>
<Event name="Deoptimization" category="Java Virtual Machine, Compiler" label="Deoptimization" thread="true" stackTrace="true" startTime="false">
<Event name="Deoptimization" category="Java Virtual Machine, Compiler" label="Deoptimization"
description="Describes the detection of an uncommon situation in a compiled method which may lead to deoptimization of the method"
thread="true" stackTrace="true" startTime="false">
<Field type="uint" name="compileId" label="Compilation Identifier" relation="CompileId" />
<Field type="CompilerType" name="compiler" label="Compiler" />
<Field type="Method" name="method" label="Method" />