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Merge pull request #17289 from MinaProtocol/dw/mina-stdlib-unix

Mina_stdlib_unix: introduce and move file_system, exit_handlers and rfc3339_time

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16.67
/src/app/cli/src/init/mina_tracing.ml
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open Core
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open Async
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(** [start dir] starts writing the trace output to [dir ^/ "trace" ^/(current_pid ^ ".trace")]. *)










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let start dir =










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  let trace_dir = dir ^/ "trace" in




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  let%bind () = Mina_stdlib_unix.File_system.create_dir trace_dir in




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  Writer.open_file ~append:true




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    (trace_dir ^/ sprintf "%d.trace" (Unix.getpid () |> Pid.to_int))




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  >>| O1trace_webkit_event.start_tracing










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(** Stop tracing. *)










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let stop () = O1trace_webkit_event.stop_tracing ()




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