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BrowserWorksBrowserWorks/waterfox-android/.claude/skills/perftest/SKILL.md

perftest

Skill383 starsChanged 40 days agoLicence not identifiedView on GitHub

Run Firefox performance tests locally or in CI. Use when the user asks how to run a perf test, needs the mach invocation for Raptor, Talos, MozPerftest, AWSY, or browsertime, wants to push perf tests to try, wants to run the tests belonging to an alert summary (`mach try perf --alert <id>`), or mentions `mach try perf`, `mach perftest`, `mach raptor`, or `mach talos-test`. Covers picking the right harness, finding a test's name, and the local-vs-CI tradeoff. Not for triaging or root-causing a Perfherder regression bug — confirming whether a regression is real, identifying the culprit patch, interpreting a PerfCompare result, or deciding backout vs fix-forward (use perf-regression-triage). Not for analyzing an existing Firefox profile (use profiler-analysis) or SpiderMonkey/JS engine benchmarking (use js-perf-investigation).

We split this skill into the rules it gives an agent

2 rules. About 0 are common, 2 are distinctive, and 0 are very specific to this project.

  • ≈0

    Common · estimate

    Many files like this have a rule of this kind.

  • ≈2

    Distinctive · estimate

    This author's own choices. Worth a look.

  • 0

    Very specific

    Tied to their project's names, files or tools. Probably skip.

The licence could not be identified — read it at the source. We count its rules but don't quote them. Read them on GitHub.

≈ “Common” is an estimate: at least 1 in 5 of the 308,232 skill files we read have a rule of the same kind, not the same words. “Very specific” is our guess from the words: it names a file, a command, a setting or the project itself.

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