- txt, json or both can be selected for output
    - json output contains readiable timestamps
    - max range is configurable to be used for aggregated data

Example:
export PROFILING=yes:txt_and_json:1000:$HOME/Documents/features/reduce_blocktime/local

{ "aggregated": [],
    "recorded":
    [ { "name": "initialization",
        "start": { "wall": "2024-03-20T15:42:38.623-00:00", "cpu": 0.289436 },
        "duration": { "wall": 0.0199749, "cpu": 0.009858 },

> dune exec src/lib_base/unix/test/main.exe --
    --file test_simple_profiler.ml

TEST: test_parse_profiling_config

                config : {} my_dir
            expected : {no_lod}
                empty : {no_lod}

                config : {YES:txt:999:/my/path/here} my_dir
            expected : {terse txt 999 /my/path/here}
                full : {terse txt 999 /my/path/here}