dune_trace: simplify event format#13025
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rgrinberg merged 2 commits intoocaml:mainfrom Dec 21, 2025
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Get rid of the counter event type. Signed-off-by: Rudi Grinberg <me@rgrinberg.com>
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…x/dune into markdown-for-odoc-without-system * 'markdown-for-odoc-without-system' of github.com:/davesnx/dune: (45 commits) Update submodule test now that things work (ocaml#13032) Port pkg tests to internal `sed` where possible (ocaml#13035) dune_trace: add file watching events (ocaml#13038) Improve `dune_pkg_lock_normalized` (ocaml#13034) Only traverse list once to find Dune (ocaml#13031) Add information about dune show depexts in the tutorial (ocaml#13007) fix: Truncate rev store lock (ocaml#13030) coq: more removal of _build/log checking (ocaml#13028) refactor: float to Time.t and Time.Span.t (ocaml#13029) dune trace: move evaluated rules counter under debug (ocaml#13027) Dune_trace: add pid and initial_cwd to initial event (ocaml#13026) refactor: some cosmetic changes dune_trace: simplify event format (ocaml#13025) coq: move away from parsing _build/log in tests (ocaml#13016) dune trace: move process categories to field in args (ocaml#13024) dune_trace: remove all redundant opens (ocaml#13023) dune trace: async events category (ocaml#13022) dune_trace: add config category (ocaml#13021) Remove extra categories from RPC events (ocaml#13020) refactor: reduce code for timestamp/span generation (ocaml#13019) ...
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First, we remove counter events. Those aren't any better than instant events with arguments.
Second, we wrap most of the chrome_trace API in a single module. We plan to move away from this format for various reasons.
Thirdly, we add some missing categories. Looks like some events were emitted without categories. The new API forbids emitting such events.
Lastly, we get rid of perl for jq.