afbjorklund / go-test-trace

Renders a trace of a go test report

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go-test-trace

convert go test report JSON into chrome tracing JSON

go test -json | go-test-trace

Example from github.com/vakenbolt/go-test-report:

test trace

Example: test report.json

Trace Format

The Trace Event Format is the trace data representation that is processed by the Trace Viewer application.

https://docs.google.com/document/d/1CvAClvFfyA5R-PhYUmn5OOQtYMH4h6I0nSsKchNAySU/preview

The JSON Object Format allows for more flexibility in the data passed to Trace Viewer.

{
  "traceEvents": [
    {"name": "Asub", "cat": "PERF", "ph": "B", "pid": 22630, "tid": 22630, "ts": 829},
    {"name": "Asub", "cat": "PERF", "ph": "E", "pid": 22630, "tid": 22630, "ts": 833}
  ],
  "displayTimeUnit": "ns",
}

Example: test trace.json

Trace Viewer

Trace-Viewer is the javascript frontend for Chrome about:tracing and Android systrace.

https://chromium.googlesource.com/catapult/+/HEAD/tracing (mirrored at https://github.com/catapult-project/catapult/tree/master/tracing)

It provides rich analysis and visualization capabilities for many types of trace files.

$CATAPULT/tracing/bin/trace2html my_trace.json --output=my_trace.html

Example: test trace.html

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Renders a trace of a go test report

License:Apache License 2.0


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