/*
     This file is part of GNUnet.
     Copyright (C) 2012 GNUnet e.V.

     GNUnet is free software: you can redistribute it and/or modify it
     under the terms of the GNU Affero General Public License as published
     by the Free Software Foundation, either version 3 of the License,
     or (at your option) any later version.

     GNUnet 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
     Affero General Public License for more details.

     You should have received a copy of the GNU Affero General Public License
     along with this program.  If not, see <http://www.gnu.org/licenses/>.

     SPDX-License-Identifier: AGPL3.0-or-later
 */

/**
 * @author Christian Grothoff
 * @file util/perf_malloc.c
 * @brief measure performance of allocation functions
 */
#include "platform.h"
#include "gnunet_util_lib.h"
#include <gauger.h>

static uint64_t
perfMalloc()
{
  size_t i;
  uint64_t ret;

  ret = 0;
  for (i = 1; i < 1024 * 1024; i += 1024)
    {
      ret += i;
      GNUNET_free(GNUNET_malloc(i));
    }
  return ret;
}


int
main(int argc, char *argv[])
{
  struct GNUNET_TIME_Absolute start;
  uint64_t kb;

  start = GNUNET_TIME_absolute_get();
  kb = perfMalloc();
  printf("Malloc perf took %s\n",
         GNUNET_STRINGS_relative_time_to_string(GNUNET_TIME_absolute_get_duration(start),
                                                GNUNET_YES));
  GAUGER("UTIL", "Allocation",
         kb / 1024 / (1 +
                      GNUNET_TIME_absolute_get_duration
                        (start).rel_value_us / 1000LL), "kb/ms");
  return 0;
}

/* end of perf_malloc.c */