mirror of
https://github.com/ocaml-tracing/ocaml-trace.git
synced 2026-03-08 03:47:57 -04:00
49 lines
1.4 KiB
OCaml
49 lines
1.4 KiB
OCaml
module Trace = Trace_core
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let run () =
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Trace.set_process_name "main";
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Trace.set_thread_name "t1";
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let n = ref 0 in
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for _i = 1 to 50 do
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Trace.with_span ~__FILE__ ~__LINE__ "outer.loop" @@ fun _sp ->
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let pseudo_async_sp =
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Trace.enter_manual_toplevel_span ~__FILE__ ~__LINE__ "fake_sleep"
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in
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for _j = 2 to 5 do
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incr n;
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Trace.with_span ~__FILE__ ~__LINE__ "inner.loop" @@ fun _sp ->
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Trace.messagef (fun k -> k "hello %d %d" _i _j);
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Trace.message "world";
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Trace.counter_int "n" !n;
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Trace.add_data_to_span _sp [ "i", `Int _i ];
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if _j = 2 then (
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Trace.add_data_to_span _sp [ "j", `Int _j ];
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let _sp =
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Trace.enter_manual_sub_span ~parent:pseudo_async_sp
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~flavor:
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(if _i mod 3 = 0 then
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`Sync
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else
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`Async)
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~__FILE__ ~__LINE__ "sub-sleep"
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in
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(* fake micro sleep *)
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Thread.delay 0.005;
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Trace.exit_manual_span _sp
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) else if _j = 3 then (
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(* pretend some task finished. Note that this is not well scoped wrt other spans. *)
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Trace.add_data_to_manual_span pseudo_async_sp [ "slept", `Bool true ];
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Trace.exit_manual_span pseudo_async_sp
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)
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done
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done
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let () =
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Trace_tef.Internal_.mock_all_ ();
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Trace_tef.with_setup ~out:`Stdout () @@ fun () -> run ()
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