Tools for parsing and plotting a power trace from Contiki
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adamdunkels
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48
tools/powertrace/Makefile.powertrace
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48
tools/powertrace/Makefile.powertrace
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ifdef LOG
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powertrace-parse:
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cat $(LOG) | grep -a "P " | $(CONTIKI)/tools/powertrace/parse-power-data > powertrace-data
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cat $(LOG) | grep -a "P " | $(CONTIKI)/tools/powertrace/parse-node-power | sort -nr > powertrace-node-data
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cat $(LOG) | $(CONTIKI)/tools/powertrace/parse-sniff-data | sort -n > powertrace-sniff-data
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else #LOG
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powertrace-parse:
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@echo LOG must be defined to point to the powertrace log file to parse
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endif #LOG
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powertrace-plot:
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gnuplot $(CONTIKI)/tools/powertrace/plot-power || echo gnupot failed
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powertrace-show:
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gv powertrace-power.eps
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gv powertrace-node-power.eps
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gv powertrace-sniff-power.eps
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powertrace-all: powertrace-parse powertrace-plot powertrace-show
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powertrace-help:
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@echo Contiki powertrace is a tool that helps with collecting power data
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@echo from motes. The data can be collected from a testbed or from a Cooja
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@echo simulation. The powertrace data consists of lines of text that include
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@echo the capital letter P followed by a list of numbers that contain the
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@echo measured time that mote peripherals were switched on.
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@echo
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@echo A powertrace data file can be parsed and plotted with build-in
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@echo powertrace scripts.
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@echo
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@echo To parse a data file with powertrace data, run:
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@echo
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@echo make powertrace-parse LOG=logfile
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@echo
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@echo to plot the parsed data, do:
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@echo
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@echo make powertrace-plot
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@echo
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@echo this produces two files called powertrace-power.eps and
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@echo powertrace-node-power.eps. To show these files, run:
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@echo
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@echo make powertrace-show
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@echo
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@echo For convenience, all three above make targets can be combined into
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@echo one:
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@echo
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@echo make powertrace-all LOG=logfile
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@echo
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55
tools/powertrace/parse-node-power
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55
tools/powertrace/parse-node-power
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#!/usr/bin/perl
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$max_seq = 0;
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for($i = 0; $i < 1000; $i++) {
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$max_radio[$i] = 0;
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$min_radio[$i] = 10000;
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}
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while(<>) {
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if(/P (\d+) (\d+) (\d+) (\d+) (\d+) (\d+) (\d+) (\d+)/) {
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$node = $1;
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$seq = $2;
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$cpu = $3;
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$lpm = $4;
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$tx = $5;
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$rx = $6;
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$idle_tx = $7;
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$idle_rx = $8;
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$nodes{$node} = 1;
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$radio_now = $tx + $rx;
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$idle_now = $idle_tx + $idle_rx;
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$cpu_now = $lpm + $cpu;
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$dutycycle = $radio_now / $cpu_now;
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$dutycycle_for_node[$node][$seq] = $dutycycle;
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$idle_for_node[$node][$seq] = $idle_now / $cpu_now;
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if($seq > $max_seq) {
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$max_seq = $seq;
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}
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}
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}
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foreach $j (keys %nodes) {
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$avg = 0;
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for($i = 0; $i < $max_seq; $i++) {
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$avg += $dutycycle_for_node[$j][$i];
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}
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$idle_avg = 0;
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for($i = 0; $i < $max_seq; $i++) {
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$idle_avg += $idle_for_node[$j][$i];
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}
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print $avg / $max_seq . " " . $idle_avg / $max_seq . " $j\n";
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$total_avg += $avg;
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$total_idle += $idle_avg;
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}
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print "\n";
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print STDERR "Idle percentage " . $total_idle / $total_avg . "\n";
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#print STDERR "Mean duty cycle " . 100 * $mean / $num_mean . "\n";
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71
tools/powertrace/parse-power-data
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71
tools/powertrace/parse-power-data
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#!/usr/bin/perl
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$max_seq = 0;
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for($i = 0; $i < 1000; $i++) {
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$max_radio[$i] = 0;
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$min_radio[$i] = 10000;
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}
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while(<>) {
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if(/P (\d+) (\d+) (\d+) (\d+) (\d+) (\d+)/) {
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$node = $1;
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$seq = $2;
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$cpu = $3;
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$lpm = $4;
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$tx = $5;
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$rx = $6;
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$nodes{$node} = 1;
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$radio_now = $tx + $rx;
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$cpu_now = $lpm + $cpu;
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$dutycycle = $radio_now / $cpu_now;
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$dutycycle_for_node[$node][$seq] = $dutycycle;
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# print STDERR "Node $node Seq $seq duty cycle " . ($tx + $rx)/($lpm + $cpu) . ", " . ($tx + $rx) . "/" . ($lpm + $cpu) . "\n";
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$radio[$seq] += $radio_now;
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$time[$seq] += $cpu_now;
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if($seq >= 0) {
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$mean += $dutycycle;
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$num_mean++;
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}
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if($dutycycle > $max_radio[$seq]) {
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$max_radio[$seq] = $dutycycle;
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}
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if($dutycycle < $min_radio[$seq]) {
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$min_radio[$seq] = $dutycycle;
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}
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if($seq > $max_seq) {
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$max_seq = $seq;
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}
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}
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}
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for($i = 0; $i < $max_seq; $i++) {
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if($time[$i] != 0) {
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print "$i " . $radio[$i] / $time[$i] . " " . $min_radio[$i] . " ". $max_radio[$i] . " ";
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foreach $j (keys %nodes) {
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print $dutycycle_for_node[$j][$i] . " ";
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}
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print "\n";
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}
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}
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foreach $j (keys %nodes) {
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$avg = 0;
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for($i = 0; $i < $max_seq; $i++) {
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$avg += $dutycycle_for_node[$j][$i];
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}
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print STDERR "Node $j avg duty cycle " . 100 * $avg / $max_seq . "\n";
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}
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if($num_mean != 0) {
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print STDERR "Mean duty cycle " . 100 * $mean / $num_mean . "\n";
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}
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43
tools/powertrace/parse-sniff-data
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43
tools/powertrace/parse-sniff-data
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#!/usr/bin/perl
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while(<>) {
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if(/([IO]) (\d+) (\d+) (\d+) (\d+) (\d+).(\d+) (\d+) (\d+)/) {
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$type = $1;
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$node = $2;
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$seq = $3;
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$channel = $4;
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$packettype = $5;
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$esender1 = $6;
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$esender2 = $7;
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$tx = $8;
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$rx = $9;
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if($type cmp "I") {
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$channel .= "-tx";
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} else {
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$channel .= "-rx";
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}
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if($packettype == 1) {
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$channel .= "-ack"
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}
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$tx_for_channel{$channel} += $tx;
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$rx_for_channel{$channel} += $rx;
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$total += $rx + $tx;
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if($forwarding) {
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$forward += $tx + $rx;
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} else {
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$final += $tx + $rx;
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}
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}
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}
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foreach $c (keys %tx_for_channel) {
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print "$c " . $tx_for_channel{$c}/$total . " " . $rx_for_channel{$c}/$total . "\n";
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}
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print STDERR "Final / forward = " . $final / $total . "/" . $forward / $total . "\n";
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31
tools/powertrace/plot-power
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tools/powertrace/plot-power
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set key top right
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set data style boxes
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set pointsize 2
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set ylabel "Radio duty cycle (%)"
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set xlabel "Time (s)"
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set terminal postscript eps enhanced "Helvetica" 16 lw 4 dl 5
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set output "powertrace-power.eps"
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set title "Average radio duty cycle (percent) over time"
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plot [0:] [0:] 'powertrace-data' using ($1*10):($2*100) with lines notitle
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set output "powertrace-node-power.eps"
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set boxwidth 0.3
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set title "Per-node radio duty cycle"
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set ylabel "Radio duty cycle (%)"
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set xlabel "Node number"
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plot [-1:] [0:] 'powertrace-node-data' using 0:(100*$1) with boxes fs solid title "Total", \
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'' using ($0 + 0.4):(100*$2) with boxes fs solid title "Idle", \
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'' using 0:(100*$1):3 with labels center offset 0,1 notitle
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set key top left
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set boxwidth 0.6
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set output "powertrace-sniff-power.eps"
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set title "Per-channel radio usage"
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set ylabel "Percent (%)"
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set xlabel "Channel number"
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plot [:] [0:] 'powertrace-sniff-data' using 0:(100 * ($3 + $2)) with boxes title "Listen", \
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'' using 0:(100 * $2):xticlabel(1) with boxes title "Transmission"
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