source: test/perf0.c @ 7

/*
 *  TOPPERS Software
 *      Toyohashi Open Platform for Embedded Real-Time Systems
 * 
 *  Copyright (C) 2006-2009 by Embedded and Real-Time Systems Laboratory
 *              Graduate School of Information Science, Nagoya Univ., JAPAN
 * 
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 */

/*
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 */

#include <kernel.h>
#include <t_syslog.h>
#include <test_lib.h>
#include <histogram.h>
#include "kernel_cfg.h"
#include "perf0.h"

/*
 *  ·×¬²ó¿ô€ÈŒÂ¹Ô»þŽÖʬÉÛ€òµ­Ï¿€¹€ëºÇÂç»þŽÖ
 */
#define NO_MEASURE      10000U                  /* ·×¬²ó¿ô */
#define MAX_TIME        1000U                   /* ŒÂ¹Ô»þŽÖʬÉÛ€òµ­Ï¿€¹€ëºÇÂç»þŽÖ */

/*
 *  ŒÂ¹Ô»þŽÖʬÉÛ€òµ­Ï¿€¹€ë¥á¥â¥êÎΰè
 */
static uint_t   histarea1[MAX_TIME + 1];

/*
 *  ¥á¥€¥ó¥¿¥¹¥¯
 */
void main_task(intptr_t exinf)
{
        uint_t  i;

        syslog_0(LOG_NOTICE, "Performance evaluation program (0)");
        init_hist(1, MAX_TIME, histarea1);
        syslog_flush();

        for (i = 0; i < NO_MEASURE; i++) {
                begin_measure(1);
                end_measure(1);
        }

        syslog_0(LOG_NOTICE, "Measurement overhead");
        print_hist(1);
        test_finish();
}