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menuconfig PM_DEVFREQ_EVENT bool "DEVFREQ-Event device Support" help 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. if PM_DEVFREQ_EVENT config DEVFREQ_EVENT_EXYNOS_NOCP tristate "EXYNOS NoC (Network On Chip) Probe DEVFREQ event Driver" depends on ARCH_EXYNOS || COMPILE_TEST select PM_OPP select REGMAP_MMIO help This add the devfreq-event driver for Exynos SoC. It provides NoC (Network on Chip) Probe counters to measure the bandwidth of AXI bus. config DEVFREQ_EVENT_EXYNOS_PPMU tristate "EXYNOS PPMU (Platform Performance Monitoring Unit) DEVFREQ event Driver" depends on ARCH_EXYNOS || COMPILE_TEST select PM_OPP help This add the devfreq-event driver for Exynos SoC. It provides PPMU (Platform Performance Monitoring Unit) counters to estimate the utilization of each module. config DEVFREQ_EVENT_ROCKCHIP_DFI tristate "ROCKCHIP DFI DEVFREQ event Driver" depends on ARCH_ROCKCHIP help This add the devfreq-event driver for Rockchip SoC. It provides DFI (DDR Monitor Module) driver to count ddr load. endif # PM_DEVFREQ_EVENT