DragonFly On-Line Manual Pages

EST(4)		      DragonFly Kernel Interfaces Manual		EST(4)

NAME
     est -- Enhanced SpeedStep Technology support

SYNOPSIS
     To compile this driver into the kernel, place the following line in your
     kernel configuration file:

	   options CPU_ENABLE_EST

     To load this driver as a module at boot time, place the following line in
     loader.conf(5):

	   est_load="YES"

DESCRIPTION
     The est driver provides support for the Enhanced SpeedStep Technology
     present in some CPUs.  Please note that powerd(8) should be preferred if
     it is working properly on your system.

     If the CPU is supported est creates the following variables in the
     machdep.est branch of the sysctl(3) MIB.

	   frequency.available	The list of frequencies supported by est for
				the CPU (read only).

	   frequency.current	The current CPU frequency (read only).

	   frequency.target	The target CPU frequency (read/write).

SEE ALSO
     powernow(4), powerd(8)

HISTORY
     The est driver first appeared in DragonFly 1.5.

DragonFly 4.3		       October 10, 2014 		 DragonFly 4.3