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grafana/pyroscope-jfr-parser

Java Flight Recorder parser library written in Go.

Go

49

127 commits

updated Oct 15, 2026

See the code

README

Java Flight Recorder parser library written in Go.

The parser design is generic, and it should be able to support any kind of type and event.

Current implementation is incomplete, with a focus in supporting the types and events generated by async-profiler.

References

Significant stargazers

Felix Barnsteiner

111 followers · starred Apr 2022

Nitsan Wakart

479 followers · starred Apr 2022

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grafana/pyroscope-jfr-parser

Java Flight Recorder parser library written in Go.

Go

49

127 commits

updated Oct 15, 2026

See the code

README

Java Flight Recorder parser library written in Go.

The parser design is generic, and it should be able to support any kind of type and event.

Current implementation is incomplete, with a focus in supporting the types and events generated by async-profiler.

References

Significant stargazers

Felix Barnsteiner

111 followers · starred Apr 2022

Nitsan Wakart

479 followers · starred Apr 2022

Similar repos

grafana/pyroscope

Continuous Profiling Platform. Debug performance issues down to a single line of code

11,697

same org

btraceio/jafar

Experimental JFR parser

69

grafana/otel-profiling-go

Open Telemetry integration for Grafana Pyroscope and tracing solutions such as Grafana Tempo,…

101

same org

chrishantha/jfr-flame-graph

Get Method Sampling from Java Flight Recorder Dump and convert to FlameGraph compatible format.

272

janestreet/tracing

Tracing library

40

moditect/jfrunit

A JUnit extension for asserting JDK Flight Recorder events

325

async-profiler/async-profiler

Sampling CPU and HEAP profiler for Java featuring AsyncGetCallTrace + perf_events

9,169

jvm-profiling-tools/async-profiler

Sampling CPU and HEAP profiler for Java featuring AsyncGetCallTrace + perf_events

9,169