[RK3288][Android6.0] 调试笔记 --- 读取GPU当前频率方法

Platform: Rockchip
OS: Android 6.0
Kernel: 3.10.92

root@rk3288:/ # cat /sys/devices/ffa30000.gpu/clock
current_gpu_clk_freq : 416666 KHz
available_freqs : 99000, 198000, 297000, 417000, 480000 (KHz)

另一种:

root@rk3288:/sys/devices/ffa30000.gpu # cat dvfs
mali_dvfs is ON
gpu_utilisation : 25
current_gpu_clk_freq : 480 MHz