DEVFREQ-Event device Support

modulename: devfreq-event.ko


Linux Kernel Configuration
└─>Device Drivers
└─>Generic Dynamic Voltage and Frequency Scaling (DVFS) support
└─>DEVFREQ-Event device Support
In linux kernel since version 3.10 (release Date: 2013-06-30)  
The devfreq-event device provide the raw data and events which
indicate the current state of devfreq-event device. The provided
data from devfreq-event device is used to monitor the state of
device and determine the suitable size of resource to reduce the
wasted resource.

The devfreq-event device can support the various type of events
(e.g., raw data, utilization, latency, bandwidth). The events
may be used by devfreq governor and other subsystem.

source code: