osd-contiki/apps/powertrace/powertrace.c

118 lines
4.3 KiB
C

/*
* Copyright (c) 2010, 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.
*
* $Id: powertrace.c,v 1.1 2010/02/20 14:15:45 adamdunkels Exp $
*/
/**
* \file
* Powertrace: periodically print out power consumption
* \author
* Adam Dunkels <adam@sics.se>
*/
#include "contiki.h"
#include "sys/compower.h"
#include "node-id.h"
#include <stdio.h>
PROCESS(powertrace_process, "Periodic power output");
/*---------------------------------------------------------------------------*/
static void
print_power(void)
{
static uint32_t last_cpu, last_lpm, last_transmit, last_listen;
static uint32_t last_idle_transmit, last_idle_listen;
static uint32_t cpu, lpm, transmit, listen;
static uint32_t idle_transmit, idle_listen;
static uint32_t seqno;
uint32_t time;
energest_flush();
cpu = energest_type_time(ENERGEST_TYPE_CPU) - last_cpu;
lpm = energest_type_time(ENERGEST_TYPE_LPM) - last_lpm;
transmit = energest_type_time(ENERGEST_TYPE_TRANSMIT) - last_transmit;
listen = energest_type_time(ENERGEST_TYPE_LISTEN) - last_listen;
idle_transmit = compower_idle_activity.transmit - last_idle_transmit;
idle_listen = compower_idle_activity.listen - last_idle_listen;
last_cpu = energest_type_time(ENERGEST_TYPE_CPU);
last_lpm = energest_type_time(ENERGEST_TYPE_LPM);
last_transmit = energest_type_time(ENERGEST_TYPE_TRANSMIT);
last_listen = energest_type_time(ENERGEST_TYPE_LISTEN);
last_idle_listen = compower_idle_activity.listen;
last_idle_transmit = compower_idle_activity.transmit;
time = cpu + lpm;
printf("P %d %lu %lu %lu %lu %lu %lu %lu (radio %d.%02d%% tx %d.%02d%% listen %d.%02d%%)\n",
node_id, seqno++,
cpu, lpm, transmit, listen, idle_transmit, idle_listen,
(int)((100L * (transmit + listen)) / time),
(int)((10000L * (transmit + listen) / time) - (100L * (transmit + listen)) / time),
(int)((100L * (transmit)) / time),
(int)((10000L * (transmit)) / time - (100L * (transmit)) / time),
(int)((100L * (listen)) / time),
(int)((10000L * (listen)) / time - (100L * (listen)) / time));
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(powertrace_process, ev, data)
{
static struct etimer periodic;
clock_time_t *period;
PROCESS_BEGIN();
period = data;
if(period == NULL) {
PROCESS_EXIT();
}
etimer_set(&periodic, *period);
while(1) {
PROCESS_WAIT_UNTIL(etimer_expired(&periodic));
etimer_reset(&periodic);
print_power();
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
void
powertrace_start(clock_time_t period)
{
process_start(&powertrace_process, (void *)&period);
}
/*---------------------------------------------------------------------------*/