RK GPU调试技巧

• 2、RK GPU调试技巧
• • 查看GPU频率
  • 设置GPU定频
  • 查看GPU温度
  • 查看GPU使用负载

$ cat /sys/devices/platform/ff9a0000.gpu/devfreq/ff9a0000.gpu/cur_freq 		//rk3399
$ cat /sys/devices/ffa30000.gpu/dvfs											//rk3288
$ cat /sys/devices/ffa30000.gpu/clock											//rk3288
$ cat /d/clk/clk_summary | grep gpu

$ echo userspace > /sys/class/devfreq/ff9a0000.gpu/governor
$ echo 400000000 > /sys/class/devfreq/ff9a0000.gpu/userspace/set_freq

$ cat /sys/class/hwmon/hwmon0/device/temp2_input		//rk3288	

$ cat  /sys/devices/platform/ff9a0000.gpu/utilisation			//RK3399PRO Android9