(* * Copyright (c) 2016 - present Facebook, Inc. * All rights reserved. * * This source code is licensed under the BSD style license found in the * LICENSE file in the root directory of this source tree. An additional grant * of patent rights can be found in the PATENTS file in the same directory. *) (** Performance Statistics gathering and reporting *) open! IStd type perf_stats val from_json : Yojson.Basic.json -> perf_stats val aggregate : perf_stats list -> Yojson.Basic.json val register_report_at_exit : string -> unit