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/*
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.
*/
/**
* @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 */
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