EXYNOS PPMU (Platform Performance Monitoring Unit) DEVFREQ event Driver
modulename: exynos-ppmu.ko
configname: CONFIG_DEVFREQ_EVENT_EXYNOS_PPMU
Linux Kernel Configuration
└─>Device Drivers
└─>Generic Dynamic Voltage and Frequency Scaling (DVFS) support
└─>DEVFREQ-Event device Support
└─>EXYNOS PPMU (Platform Performance Monitoring Unit) DEVFREQ event Driver
In linux kernel since version 3.10 (release Date: 2013-06-30)
This add the devfreq-event driver for Exynos SoC. It provides PPMU
(Platform Performance Monitoring Unit) counters to estimate the
utilization of each module.
(Platform Performance Monitoring Unit) counters to estimate the
utilization of each module.
source code:
depends
CONFIG_ARCH_EXYNOSCONFIG_PM_DEVFREQ
CONFIG_PM_DEVFREQ_EVENT or CONFIG_ARCH_EXYNOS or CONFIG_COMPILE_TEST