/* Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License, version 2.0,
   as published by the Free Software Foundation.

   This program is also distributed with certain software (including
   but not limited to OpenSSL) that is licensed under separate terms,
   as designated in a particular file or component or in included license
   documentation.  The authors of MySQL hereby grant you an additional
   permission to link the program and your derivative works with the
   separately licensed software that they have included with MySQL.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License, version 2.0, for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA */

/**
  @file benchmark.h

  Rudimentary microbenchmark framework. The API is generally a minimal
  subset of Google's microbenchmark framework, in order to be compatible
  if we should ever import the full one.
*/

#ifndef BENCHMARK_H_INCLUDED
#define BENCHMARK_H_INCLUDED

#include <gtest/gtest.h>

// Auto-register benchmarks as regular tests for now, piggybacking on
// Google Test's registration framework. Eventually, we should make it
// possible to run only benchmarks separate from unit tests (as well as
// making a nicely printed table), but that would necessitate actually
// making a registration framework.
#define BENCHMARK(func) \
  TEST(Microbenchmarks, func) { internal_do_microbenchmark(#func, func); }

void internal_do_microbenchmark(const char *name, void (*func)(size_t));

void StartBenchmarkTiming();
void StopBenchmarkTiming();
void SetBytesProcessed(size_t num_bytes);

#endif  // BENCHMARK_H_INCLUDED