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swrup 2025-11-11 02:07:51 +01:00
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3
unikernel/duniverse/dune_/test/blackbox-tests/test-cases/trace-file.t/dune Normal file
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(executable
(name prog)
)

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unikernel/duniverse/dune_/test/blackbox-tests/test-cases/trace-file.t/dune-project Normal file
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(lang dune 1.6)

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unikernel/duniverse/dune_/test/blackbox-tests/test-cases/trace-file.t/prog.ml Normal file
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let () = print_endline "hello, world"

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unikernel/duniverse/dune_/test/blackbox-tests/test-cases/trace-file.t/run.t Normal file
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$ dune build prog.exe --trace-file trace.json
This captures the commands that are being run:
$ <trace.json grep '"X"' | cut -c 2- | sed -E 's/:[0-9]+/:.../g'
{"args":{"dir":"."},"ph":"X","dur":...,"name":"Dune load: .","cat":"","ts":...,"pid":...,"tid":...}
{"args":{"process_args":["-config"],"pid":...},"ph":"X","dur":...,"name":"ocamlc.opt","cat":"process","ts":...,"pid":...,"tid":...}
{"args":{"process_args":["-modules","-impl","prog.ml"],"pid":...},"ph":"X","dur":...,"name":"ocamldep.opt","cat":"process","ts":...,"pid":...,"tid":...}
{"args":{"process_args":["-w","@1..3@5..28@30..39@43@46..47@49..57@61..62-40","-strict-sequence","-strict-formats","-short-paths","-keep-locs","-g","-bin-annot","-bin-annot-occurrences","-I",".prog.eobjs/byte","-no-alias-deps","-opaque","-o",".prog.eobjs/byte/prog.cmo","-c","-impl","prog.ml"],"pid":...},"ph":"X","dur":...,"name":"ocamlc.opt","cat":"process","ts":...,"pid":...,"tid":...}
{"args":{"process_args":["-w","@1..3@5..28@30..39@43@46..47@49..57@61..62-40","-strict-sequence","-strict-formats","-short-paths","-keep-locs","-g","-I",".prog.eobjs/byte","-I",".prog.eobjs/native","-cmi-file",".prog.eobjs/byte/prog.cmi","-no-alias-deps","-opaque","-o",".prog.eobjs/native/prog.cmx","-c","-impl","prog.ml"],"pid":...},"ph":"X","dur":...,"name":"ocamlopt.opt","cat":"process","ts":...,"pid":...,"tid":...}
{"args":{"process_args":["-w","@1..3@5..28@30..39@43@46..47@49..57@61..62-40","-strict-sequence","-strict-formats","-short-paths","-keep-locs","-g","-o","prog.exe",".prog.eobjs/native/prog.cmx"],"pid":...},"ph":"X","dur":...,"name":"ocamlopt.opt","cat":"process","ts":...,"pid":...,"tid":...}
{"args":{"path":"_build/.db","module":"INCREMENTAL-DB"},"ph":"X","dur":...,"name":"Writing Persistent Dune State","cat":"","ts":...,"pid":...,"tid":...}
{"args":{"path":"_build/.digest-db","module":"DIGEST-DB"},"ph":"X","dur":...,"name":"Writing Persistent Dune State","cat":"","ts":...,"pid":...,"tid":...}
As well as data about the garbage collector:
$ <trace.json grep '"C"' | cut -c 2- | sed -E 's/([^0-9])[0-9]+/\1.../g' | sort -u
{"ph":"C","args":{"stack_size":...,"heap_words":...,"top_heap_words":...,"minor_words":...,"major_words":...,"promoted_words":...,"compactions":...,"major_collections":...,"minor_collections":...},"name":"gc","cat":"","ts":...,"pid":...,"tid":...}
{"ph":"C","args":{"value":...},"name":"evaluated_rules","cat":"","ts":...,"pid":...,"tid":...}
{"ph":"C","args":{"value":...},"name":"fds","cat":"","ts":...,"pid":...,"tid":...}