nes-proj/os/sys/energest.c

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/*
* Copyright (c) 2007, Swedish Institute of Computer Science.
* All rights reserved.
*
* 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.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE 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 INSTITUTE 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.
*
* This file is part of the Contiki operating system.
*
*/
/**
* \file
* Implementation of the energy estimation module
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* \author
* Adam Dunkels <adam@sics.se>
*/
#include "contiki.h"
#include "sys/energest.h"
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#if ENERGEST_CONF_ON
uint64_t energest_total_time[ENERGEST_TYPE_MAX];
ENERGEST_TIME_T energest_current_time[ENERGEST_TYPE_MAX];
unsigned char energest_current_mode[ENERGEST_TYPE_MAX];
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/*---------------------------------------------------------------------------*/
void
energest_init(void)
{
int i;
for(i = 0; i < ENERGEST_TYPE_MAX; ++i) {
energest_total_time[i] = energest_current_time[i] = 0;
energest_current_mode[i] = 0;
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}
ENERGEST_ON(ENERGEST_TYPE_CPU);
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}
/*---------------------------------------------------------------------------*/
void
energest_flush(void)
{
uint64_t now;
int i;
for(i = 0; i < ENERGEST_TYPE_MAX; i++) {
if(energest_current_mode[i]) {
now = ENERGEST_CURRENT_TIME();
energest_total_time[i] +=
(ENERGEST_TIME_T)(now - energest_current_time[i]);
energest_current_time[i] = now;
}
}
}
/*---------------------------------------------------------------------------*/
uint64_t
energest_get_total_time(void)
{
return energest_type_time(ENERGEST_TYPE_CPU) +
energest_type_time(ENERGEST_TYPE_LPM) +
energest_type_time(ENERGEST_TYPE_DEEP_LPM);
}
/*---------------------------------------------------------------------------*/
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#else /* ENERGEST_CONF_ON */
void
energest_init(void)
{
}
void
energest_flush(void)
{
}
uint64_t
energest_get_total_time(void)
{
return 0;
}
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#endif /* ENERGEST_CONF_ON */