feature: extend traces to include source scans #7937
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rgrinberg
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Source scans can be quite slow. Record them in the trace. Signed-off-by: Rudi Grinberg <me@rgrinberg.com> <!-- ps-id: 373fb4fc-304f-43c1-9fe2-c67175f3ee40 -->
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Actually we no longer share the source tree code so there's nothing to review here. |
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Can you show an example trace of some non-trivial build to see how much it takes? |
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So for doing a null build on dune, |
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Oh, wow. I now want some similar tracing internally =) |
emillon
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Jun 23, 2023
CHANGES: - Validate file extension for `$ dune ocaml top-module`. (ocaml/dune#8005, fixes ocaml/dune#8004, @3Rafal) - Include the time it takes to read/write state files when `--trace-file` is enabled (ocaml/dune#7960, @rgrinberg) - Add `dune show` command group which is an alias of `dune describe`. (ocaml/dune#7946, @Alizter) - Include source tree scans in the traces produced by `--trace-file` (ocaml/dune#7937, @rgrinberg) - Cinaps: The promotion rules for cinaps would only offer one file at a time no matter how many promotions were available. Now we offer all the promotions at once (ocaml/dune#7901, @rgrinberg) - Do not re-run OCaml syntax files on every iteration of the watch mode. This is too memory consuming. (ocaml/dune#7894, fix ocaml/dune#6900, @rgrinberg) - Remove some compatibility code for old version of dune that generated `.merlin` files. Now dune will never remove `.merlin` files automatically (ocaml/dune#7562) - Add `dune show env` command and make `dune printenv` an alias of it. (ocaml/dune#7985, @Alizter) - Add additional metadata to the traces provided by `--trace-file` whenever `--trace-extended` is passed (ocaml/dune#7778, @rleshchinskiy) - Extensions used in `(dialect)` can contain periods (e.g., `cppo.ml`). (ocaml/dune#7782, fixes ocaml/dune#7777, @nojb) - Allow `(include_subdirs qualified)` to be used when libraries define a `(modules ...)` field (ocaml/dune#7797, fixes ocaml/dune#7597, @anmonteiro) - `$ dune describe` is now a command group, so arguments to subcommands must be passed after subcommand itself. (ocaml/dune#7919, @Alizter) - The `interface` and `implementation` fields of a `(dialect)` are now optional (ocaml/dune#7757, @gpetiot) - Add commands `dune show targets` and `dune show aliases` that display all the available targets and aliases in a given directory respectively. (ocaml/dune#7770, grants ocaml/dune#265, @Alizter) - Allow multiple globs in library's `(stdlib (internal_modules ..))` (@anmonteiro, ocaml/dune#7878) - Attach melange rules to the default alias (ocaml/dune#7926, @haochenx) - In opam constraints, reject `(and)` and `(or)` with no arguments at parse time (ocaml/dune#7730, @emillon) - Compute digests and manage sandboxes in background threads (ocaml/dune#7947, @rgrinberg) - Add `(build_if)` to the `(test)` stanza. When it evaluates to false, the executable is not built. (ocaml/dune#7899, fixes ocaml/dune#6938, @emillon) - Add necessary parentheses in generated opam constraints (ocaml/dune#7682, fixes ocaml/dune#3431, @Lucccyo)
emillon
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Jun 28, 2023
CHANGES: - Validate file extension for `$ dune ocaml top-module`. (ocaml/dune#8005, fixes ocaml/dune#8004, @3Rafal) - Include the time it takes to read/write state files when `--trace-file` is enabled (ocaml/dune#7960, @rgrinberg) - Add `dune show` command group which is an alias of `dune describe`. (ocaml/dune#7946, @Alizter) - Include source tree scans in the traces produced by `--trace-file` (ocaml/dune#7937, @rgrinberg) - Cinaps: The promotion rules for cinaps would only offer one file at a time no matter how many promotions were available. Now we offer all the promotions at once (ocaml/dune#7901, @rgrinberg) - Do not re-run OCaml syntax files on every iteration of the watch mode. This is too memory consuming. (ocaml/dune#7894, fix ocaml/dune#6900, @rgrinberg) - Add `--all` option to `dune rpc status` to show all Dune RPC servers running. (ocaml/dune#8011, fix ocaml/dune#7902, @Alizter) - Remove some compatibility code for old version of dune that generated `.merlin` files. Now dune will never remove `.merlin` files automatically (ocaml/dune#7562) - Add `dune show env` command and make `dune printenv` an alias of it. (ocaml/dune#7985, @Alizter) - Add additional metadata to the traces provided by `--trace-file` whenever `--trace-extended` is passed (ocaml/dune#7778, @rleshchinskiy) - Extensions used in `(dialect)` can contain periods (e.g., `cppo.ml`). (ocaml/dune#7782, fixes ocaml/dune#7777, @nojb) - Allow `(include_subdirs qualified)` to be used when libraries define a `(modules ...)` field (ocaml/dune#7797, fixes ocaml/dune#7597, @anmonteiro) - `$ dune describe` is now a command group, so arguments to subcommands must be passed after subcommand itself. (ocaml/dune#7919, @Alizter) - The `interface` and `implementation` fields of a `(dialect)` are now optional (ocaml/dune#7757, @gpetiot) - Add commands `dune show targets` and `dune show aliases` that display all the available targets and aliases in a given directory respectively. (ocaml/dune#7770, grants ocaml/dune#265, @Alizter) - Allow multiple globs in library's `(stdlib (internal_modules ..))` (@anmonteiro, ocaml/dune#7878) - Attach melange rules to the default alias (ocaml/dune#7926, @haochenx) - In opam constraints, reject `(and)` and `(or)` with no arguments at parse time (ocaml/dune#7730, @emillon) - Compute digests and manage sandboxes in background threads (ocaml/dune#7947, @rgrinberg) - Add `(build_if)` to the `(test)` stanza. When it evaluates to false, the executable is not built. (ocaml/dune#7899, fixes ocaml/dune#6938, @emillon) - Add necessary parentheses in generated opam constraints (ocaml/dune#7682, fixes ocaml/dune#3431, @Lucccyo)
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What does “source scans” refer to exactly? Is it only about checking timestamp and hashes, or does it also include the creation and/or execution of rules? |
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A source scan refers to traversing the entire source tree to extract all project and dune files. |
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Source scans can be quite slow. Record them in the trace.
Signed-off-by: Rudi Grinberg me@rgrinberg.com