History

jack-berg 551de59a50 Move jfr-events to package consistent with contrib repository (#431 ) * Move jfr-events to package consistent with contrib repository * Spotless		2022-08-30 16:11:25 -05:00
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src	Move jfr-events to package consistent with contrib repository (#431 )	2022-08-30 16:11:25 -05:00
README.md	Add component owner for jfr-events (#428 )	2022-08-29 10:18:05 -05:00
build.gradle.kts	Move opentelemetry-sdk-extension-jfr-events (#421 )	2022-08-24 10:35:28 -07:00

OpenTelemetry Java Flight Recorder (JFR) Events

Create JFR events that can be recorded and viewed in Java Mission Control (JMC).

Creates Open Telemetry Tracing/Span events for spans
- The thread and stracktrace will be of the thead ending the span which might be different than the thread creating the span.
- Has the fields
  - Operation Name
  - Trace ID
  - Parent Span ID
  - Span ID
Creates Open Telemetry Tracing/Scope events for scopes
- Thread will match the thread the scope was active in and the stacktrace will be when scope was closed
- Multiple scopes might be collected for a single span
- Has the fields
  - Trace ID
  - Span ID
Supports the Open Source version of JFR in Java 11.
- Might support back port to OpenJDK 8, but not tested and classes are built with JDK 11 bytecode.

Component owners

Learn more about component owners in component_owners.yml.