Here is the configuration I use for cpufreqd:

[General]
pidfile=/var/run/cpufreqd.pid
poll_interval=2
pm_type=acpi #(acpi, apm or pmu)
# Uncomment the following line to enable ACPI workaround (see cpufreqd.conf(5))
# acpi_workaround=1
verbosity=4 #(if you want a minimal logging set to 5)

[Profile]
name=hi_boost
minfreq=66%
maxfreq=100%
policy=performance

[Profile]
name=medium_boost
minfreq=33%
maxfreq=66%
policy=performance

[Profile]
name=lo_boost
minfreq=0%
maxfreq=33%
policy=powersave

#[Profile]
#name=boost_enough
#minfreq=33%
#maxfreq=100%
#policy=performance

[Profile]
name=lo_power
minfreq=0%
maxfreq=33%
policy=powersave

# conservative mode when not AC
[Rule]
name=conservative
#ac=off                   # (on/off)
battery_interval=0-100   
cpu_interval=0-40
profile=lo_boost

# need some power
[Rule]
name=lo_cpu_boost
#ac=off                   # (on/off)
battery_interval=0-100
cpu_interval=30-80
profile=medium_boost

# need big power (not if battery very low)
[Rule]
name=hi_cpu_boost
#ac=off                   # (on/off)
battery_interval=50-100
cpu_interval=70-100
profile=hi_boost

# full power when AC
#[Rule]
#name=AC_on
#ac=on                   # (on/off)
#profile=boost_enough

# full power when watching DVDs and not AC:
# this is the last rule and takes less
# precedence with respect to the others
[Rule]
name=dvd_watching
ac=off                   # (on/off)
battery_interval=0-100
programs=xine,mplayer,avidemux
cpu_interval=0-100
profile=hi_boost