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contiki/apps/shell/shell-power.c

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/*
* Copyright (c) 2009, 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
* Power reporting functions of the Contiki shell
* \author
* Adam Dunkels <adam@sics.se>
*/
#include "shell.h"
#include "sys/compower.h"
#include "sys/energest.h"
#include <stdio.h>
struct power_msg {
uint16_t len;
uint32_t cpu;
uint32_t lpm;
uint32_t transmit;
uint32_t listen;
uint32_t idle_transmit;
uint32_t idle_listen;
};
#define WITH_POWERGRAPH 0
/*---------------------------------------------------------------------------*/
PROCESS(shell_power_process, "power");
SHELL_COMMAND(power_command,
"power",
"power: print power profile",
&shell_power_process);
PROCESS(shell_energy_process, "energy");
SHELL_COMMAND(energy_command,
"energy",
"energy: print energy profile",
&shell_energy_process);
PROCESS(shell_powerconv_process, "powerconv");
SHELL_COMMAND(powerconv_command,
"powerconv",
"powerconv: convert power profile to human readable output",
&shell_powerconv_process);
#if WITH_POWERGRAPH
PROCESS(shell_powergraph_process, "powergraph");
SHELL_COMMAND(powergraph_command,
"powergraph",
"powergraph: convert power profile to a 'graphical' repressentation",
&shell_powergraph_process);
#endif /* WITH_POWERGRAPH */
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(shell_power_process, ev, data)
{
static uint32_t last_cpu, last_lpm, last_transmit, last_listen;
static uint32_t last_idle_transmit, last_idle_listen;
struct power_msg msg;
PROCESS_BEGIN();
energest_flush();
msg.len = 12;
msg.cpu = energest_type_time(ENERGEST_TYPE_CPU) - last_cpu;
msg.lpm = energest_type_time(ENERGEST_TYPE_LPM) - last_lpm;
msg.transmit = energest_type_time(ENERGEST_TYPE_TRANSMIT) - last_transmit;
msg.listen = energest_type_time(ENERGEST_TYPE_LISTEN) - last_listen;
msg.idle_transmit = compower_idle_activity.transmit - last_idle_transmit;
msg.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;
shell_output(&power_command, &msg, sizeof(msg), "", 0);
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(shell_energy_process, ev, data)
{
struct power_msg msg;
PROCESS_BEGIN();
energest_flush();
msg.len = 12;
msg.cpu = energest_type_time(ENERGEST_TYPE_CPU);
msg.lpm = energest_type_time(ENERGEST_TYPE_LPM);
msg.transmit = energest_type_time(ENERGEST_TYPE_TRANSMIT);
msg.listen = energest_type_time(ENERGEST_TYPE_LISTEN);
msg.idle_transmit = compower_idle_activity.transmit;
msg.idle_listen = compower_idle_activity.listen;
shell_output(&energy_command, &msg, sizeof(msg), "", 0);
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
#define DEC2FIX(h,d) ((h * 64L) + (unsigned long)((d * 64L) / 1000L))
static void
printpower(struct power_msg *msg)
{
char buf[100];
unsigned long avg_power;
unsigned long time;
time = msg->cpu + msg->lpm;
avg_power = (3L *
(msg->cpu * DEC2FIX(1L,800L) +
msg->lpm * DEC2FIX(0L,545L) +
msg->transmit * DEC2FIX(17L,700L) +
msg->listen * DEC2FIX(20L,0))) / ((64L * time) / 1000);
snprintf(buf, sizeof(buf), "CPU %d%% LPM %d%% tx %d%% rx %d%% idle tx %d%% idle rx %d%% tot %lu uW",
(int)((100L * (unsigned long)msg->cpu) / time),
(int)((100L * (unsigned long)msg->lpm) / time),
(int)((100L * (unsigned long)msg->transmit) / time),
(int)((100L * (unsigned long)msg->listen) / time),
(int)((100L * (unsigned long)msg->idle_transmit) / time),
(int)((100L * (unsigned long)msg->idle_listen) / time),
avg_power);
shell_output_str(&powerconv_command, buf, "");
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(shell_powerconv_process, ev, data)
{
struct power_msg *msg;
struct shell_input *input;
int len;
PROCESS_BEGIN();
while(1) {
PROCESS_WAIT_EVENT_UNTIL(ev == shell_event_input);
input = data;
if(input->len1 + input->len2 == 0) {
PROCESS_EXIT();
}
len = input->len1;
for(msg = (struct power_msg *)input->data1;
len > 0;
msg++, len -= sizeof(struct power_msg)) {
printpower(msg);
}
len = input->len2;
for(msg = (struct power_msg *)input->data2;
len > 0;
msg++, len -= sizeof(struct power_msg)) {
printpower(msg);
}
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
#if WITH_POWERGRAPH
#define MAX_POWERGRAPH 34
static void
printpowergraph(struct power_msg *msg)
{
int i;
unsigned long avg_power;
unsigned long time;
char buf[MAX_POWERGRAPH];
time = msg->cpu + msg->lpm;
avg_power = (3L *
(msg->cpu * DEC2FIX(1L,800L) +
msg->lpm * DEC2FIX(0L,545L) +
msg->transmit * DEC2FIX(17L,700L) +
msg->listen * DEC2FIX(20L,0))) / ((64L * time) / 1000);
memset(buf, 0, MAX_POWERGRAPH);
for(i = 0; avg_power > 0 && i < MAX_POWERGRAPH; ++i) {
buf[i] = '*';
avg_power -= MIN(2000, avg_power);
}
shell_output_str(&powergraph_command, buf, "");
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(shell_powergraph_process, ev, data)
{
struct power_msg *msg;
struct shell_input *input;
int len;
PROCESS_BEGIN();
while(1) {
PROCESS_WAIT_EVENT_UNTIL(ev == shell_event_input);
input = data;
if(input->len1 + input->len2 == 0) {
PROCESS_EXIT();
}
len = input->len1;
for(msg = (struct power_msg *)input->data1;
len > 0;
msg++, len -= sizeof(struct power_msg)) {
printpowergraph(msg);
}
len = input->len2;
for(msg = (struct power_msg *)input->data2;
len > 0;
msg++, len -= sizeof(struct power_msg)) {
printpowergraph(msg);
}
}
PROCESS_END();
}
#endif /* WITH_POWERGRAPH */
/*---------------------------------------------------------------------------*/
void
shell_power_init(void)
{
shell_register_command(&power_command);
shell_register_command(&powerconv_command);
shell_register_command(&energy_command);
#if WITH_POWERGRAPH
shell_register_command(&powergraph_command);
#endif /* WITH_POWERGRAPH */
}
/*---------------------------------------------------------------------------*/
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