Originally Posted by econan

Then I used some rrdtools to chart.

Originally Posted by pyllyukko

And here's a script that uses gnuplot (available in extras-devel):

Code:

#!/bin/sh
# plot.sh -- for n900
# pyllyukko at maimed dot org -- 18.1.2010
[ ! -x /usr/bin/gnuplot ] && {
  echo "error: no gnuplot!" 1>&2
  exit 1
}
[ -n "${1}" ] && INFILE="${1}" || INFILE="/root/battery.log"
[ ! -f "${INFILE}" ] && {
  echo "error: input file \`${INFILE}' does not exist!" 1>&2
  exit 1
}
PIC_DIR="/home/user/MyDocs/.images"
NOW=$(date +%s)
TODATE=$(date +%Y%m%d)
# BEFORE = 24 hours ago
BEFORE=$((${NOW}-60*60*24))
gnuplot -persist <<-EOP
        set terminal png
        set output "${PIC_DIR}/battery-${TODATE}.png"
        set title "n900 battery status"
        set xdata time
        set nokey
        set timefmt "%s"
        # enable this to plot only the last 24 hours
        #set xrange ["${BEFORE}":]
        set yrange [0:]
        set xlabel "time"
        set ylabel "mAh"
        set y2label "load avg"
        set y2tics
        plot "${INFILE}" using 1:2 with lines,\
             "${INFILE}" using 1:6 axes x1y2 with lines
EOP
exit 0

To create graphs like this:

Originally Posted by radiowc

Does not make sense at all, even no load, looking at the graph, the battery still drain...so what does it tell you what cause the battery drain????

Originally Posted by lasala

Does anyone know that with pre PR.1.1 the Xorg logfile /tmp/Xord.0.log was set to -logverbose? It now is and i have been seeing constant cpu usage at 6%.