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Add the measurement tools under tools/ - #7
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…r tools/ `tools/` holds what found where the time goes, so the next round starts from the same instruments: a watchdog for bounded runs, bun scripts that fold macOS `sample` profiles (per function, per compiler pass, by kind of work), a crate timing frontend's parser against rust-analyzer's and syn's, and the recipe that reads std's dependency closure and three registry crates' from source with their metadata, with the checks run against tokio. Every location is a parameter. `cargo publish` leaves the directory out.
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tools/, the instruments behind the speed work (#5) and the dependency work (#6), so the next round of measurement starts from them instead of rebuilding them.tools/README.mdsays what each one does.bounded.sh: run a command with a watchdog (macOS has notimeout).profile/: bun scripts that fold macOSsampleoutput: per function, callers and callees, own time per compiler pass (phase.ts), own time by kind of work (share.ts), and A/B aggregation.parse-ref/: frontend's parser timed against rust-analyzer's and syn's (a crate of its own, outside the workspace).deps/:chain.sh, the exact recipe that reads std's closure and anyhow, serde_json and tokio with theirs, from source, withfrontend-facts, writing each crate's metadata; andcheck.shwith three fixtures that check a file against tokio (clean, E0599, E0061).Every path is a parameter (
LIBRARY,REGISTRY,OUT,FACTS) or relative to the script; nothing names a machine or a caller. POSIXshand bun only.Cargo.tomlexcludestools/from the published package.Checked:
sh -non the scripts; the profile scripts run from their new location on a saved profile.