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-.\" Hey, EMACS: -*- nroff -*-
-.\" First parameter, NAME, should be all caps
-.\" Second parameter, SECTION, should be 1-8, maybe w/ subsection
-.\" other parameters are allowed: see man(7), man(1)
-.TH POWERNOWD 1 "November 3, 2003"
-.\" Please adjust this date whenever revising the manpage.
-.\"
-.\" Some roff macros, for reference:
-.\" .nh disable hyphenation
-.\" .hy enable hyphenation
-.\" .ad l left justify
-.\" .ad b justify to both left and right margins
-.\" .nf disable filling
-.\" .fi enable filling
-.\" .br insert line break
-.\" .sp <n> insert n+1 empty lines
-.\" for manpage-specific macros, see man(7)
-.SH NAME
-powernowd \- control the speed and voltage of cpus
-.SH SYNOPSIS
-.B powernowd
-.RI [ options ]
-.SH DESCRIPTION
-This is a simple client to the cpufreq driver, and uses the sysfs interface
-in Linux kernel version 2.6. You need a supported cpu, and a
-kernel that supports sysfs to run this daemon.
-
-The name is somewhat misleading, as any processor supported by the kernel
-cpufreq driver will work, not just processors supporting AMD's
-PowerNow! technology. This daemon works best with processors that support
-more then 2 frequency steps, like those with AMD's PowerNow!, and Intel's
-Pentium M family.
-.SH OPTIONS
-.TP
-.B \-h
-Prints a help message.
-.TP
-.B \-d
-Don't detach from terminal (default is to detach and run in the background)
-.TP
-.B \-v
-Increase output verbosity, can be used more than once.
-.TP
-.B \-q
-Quiet mode, only emergency output.
-.TP
-.B \-n
-Include nice'd processes in calculations.
-.TP
-.B \-m
-Modes of operation, 0 = SINE, 1 = AGGRESSIVE (default), 2 = PASSIVE, 3 = LEAPS
-.TP
-.B \-s
-Frequency step in kHz (default = 100000)
-.TP
-.B \-p
-Polling frequency in msecs (default = 1000)
-.TP
-.B \-u
-CPU usage upper limit percentage [0 .. 100, default 80]
-.TP
-.B \-l
-CPU usage lower limit percentage [0 .. 100, default 20]
-.SH MODES
-There are 4 modes supported by this client:
-
-Mode 0, SINE, changes the frequency as a sine wave function, raising the
-frequency by "step" Hz every time the CPU usage goes over 80%,
-and decreases it by "step" Hz when the CPU usage falls under 20%.
-
-Mode 1, AGGRESSIVE, changes frequency by a sawtooth function.
-Immediately jumps to the highest frequency whenever CPU usage goes
-over 80%, and decreases by "step" Hz as usage drops below
-20%. This is the default behavior.
-
-Mode 2, PASSIVE, is the inverse of AGGRESSIVE.
-Immediately jump to lowest frequency when usage drops below 20%.
-Raise by "step" Hz if it goes above 80%.
-
-Mode 3, LEAPS, immediately jumps to the highest frequency if usage is above
-80%, and immediately jumps to the lowest frequency if usage is below 20%.
-.SH PHILOSOPHY
-Why another CPUFreq client daemon?
-
-Some other daemons are better suited for two speed states, and
-toggle between two states based upon load. This daemon does a better job
-handling intermediate steps.
-
-Other daemons are written in Perl, Python, or C++. This is a simple C
-program.
-
-Some other daemons rely on APM or ACPI.
-The sysfs interface to the 2.6
-kernel is simple, completely sufficient, and completely portable to all
-architectures that support the CPUfreq support in the kernel.
-
-Some other daemons change thier behavior based upon battery status, AC
-status, temperature, etc. What good is having a nice powerful laptop if
-you can't use it at full speed, even for a few seconds, while on battery
-power? This daemon just measures CPU load, and bases decisions solely
-upon that.
-
-SMP systems are supported, making this daemon useful for servers, too!
-.SH AUTHOR
-The powernowd program was written by John Clemens <clemej@alum.rpi.edu>
-
-This manual page was written by Bdale Garbee <bdale@gag.com>,
-for the Debian project (but may be used by others).