source: rtems/testsuites/support/src/tmtests_support.c

/* SPDX-License-Identifier: BSD-2-Clause */

/*
 *  COPYRIGHT (c) 1989-2010.
 *  On-Line Applications Research Corporation (OAR).
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <bsp.h>
#include <rtems/btimer.h>
#include "test_support.h"
#include "timesys.h"
#include "tmtests_empty_function.h"

void rtems_time_test_measure_operation(
  const char               *description,
  rtems_time_test_method_t  operation,
  void                     *argument,
  int                       iterations,
  int                       overhead
)
{
  int  i;
  uint32_t loop_overhead;
  uint32_t end_time;

  benchmark_timer_initialize();
    for (i=0 ; i<iterations ; i++ ) {
      benchmark_timer_empty_operation( i, argument );
    }
  loop_overhead = benchmark_timer_read();

  benchmark_timer_initialize();
    for (i=0 ; i<iterations ; i++ ) {
      (*operation)( i, argument );
    }
  end_time = benchmark_timer_read();

  put_time(
    description,
    end_time,
    iterations,
    loop_overhead,
    overhead
  );
}