Folded Stacks ⭐

Project Site

File Format: Text

Timestamping: Aggregated

Profilers 🔎

8 Profilers directly output this format:

• Austin [Docs]
• bcc profile.py [Docs]
• fgprof [Docs]
• Java Async Profiler
• offcputime [Docs]
• Poor Man's Profiler [Docs]
• PyTorch Profiler [Docs]
• rbspy [Docs]

Analysis UIs 📊

7 Analysis UIs can read this format:

• difffolded.pl [Docs]
• flamegraph
• flamegraphdiff [Docs]
• flameshow [Docs]
• Inferno [Docs]
• Speedscope
• stackvis

Profiler & Analysis UI Graph

[View fullscreen]

Converters

Converts From

This format is directly convertable from 25 formats:

• Austin, via Austin
• bpftrace, via stackcollapse-bpftrace.pl [Docs]
• dtrace, via stackcollapse.pl [Docs]
• FreeBSD hwpmc, via stackcollapse-pmc.pl [Docs]
• GDB Traces, via stackcollapse-gdb.pl [Docs]
• Hatchet, via Hatchet to_flamegraph
• Honest Profiler, via FlameGraphDumperApplication [Docs]
• Intel VTune, via stackcollapse-vtune.pl [Docs]
• JFR, via jfr-report-tool [Docs]
• jstack, via stackcollapse-jstack.pl [Docs]
• KDE Heaptrack, via heaptrack print flamegraph [Docs]
• Linux perf sched, via stackcollapse-perf-sched.awk [Docs]
• Linux perf script, via stackcollapse-perf.pl [Docs]
• Linux perf.data, via stackcollapse.py [Docs]
• macOS sample, via stackcollapse-sample.awk [Docs]
• phpspy, via stackcollapse-phpspy.pl [Docs]
• pprof, via pprofutils folded [Docs]
• pprof, via stackcollapse-go.pl [Docs]
• Simpleperf perf.data, via Simpleperf stackcollapse.py [Docs]
• SystemTap, via stackcollapse-stap.pl [Docs]
• Trace Event Format, via stackcollapse-chrome-tracing.py [Docs]
• uftrace, via uftrace dump --flame-graph [Docs]
• Visual Studio diagsession, via stackcollapse-vsprof.pl [Docs]
• vmprof, via vmprof-flamegraph.py [Docs]
• wallClockProfiler, via stackcollapse-wcp.pl [Docs]

Transitive Formats

Transitive formats you can convert from:

• Data Formats Only
• Profilers + Data Formats (large graph)

Converts To

This format is directly convertable to 2 formats:

• pprof, via pprofutils folded [Docs]
• Pyroscope Tree, via Pyroscope ParseGroups [Docs]

Transitive Formats

Transitive formats you can convert to:

• Data Formats Only
• Data Formats + Analysis UIs (large graph)