···571571 let exit_status, set_exit_status = Promise.create () in
572572 let t =
573573 Fd.use_exn "errors-w" errors_w @@ fun errors_w ->
574574- let pid, pid_fd = eio_spawn errors_w c_actions in
574574+ let pid, pid_fd =
575575+ Eio.Private.Trace.with_span "spawn" @@ fun () ->
576576+ eio_spawn errors_w c_actions
577577+ in
575578 let pid_fd = Fd.of_unix ~sw ~seekable:false ~close_unix:true pid_fd in
576579 { pid; pid_fd; exit_status }
577580 in
+1
lib_eio_posix/low_level.ml
···558558 let t =
559559 let pid =
560560 Fd.use_exn "errors-w" errors_w @@ fun errors_w ->
561561+ Eio.Private.Trace.with_span "spawn" @@ fun () ->
561562 eio_spawn errors_w c_actions
562563 in
563564 Fd.close errors_w;