Rockchip Android平台查看系统运行帧率的方法

Rockchip Android平台查看系统显示帧率的方法
在串口或者adb下输入如下命令：
rk3588_s_evb2:/ $ su
rk3588_s_evb2:/ # setprop debug.sf.fps 1
rk3588_s_evb2:/ # logcat | grep mFps
03-04 00:38:44.958 331 331 D SurfaceFlinger: mFrameCount = 1 mFps = 0.000
03-04 00:38:45.479 331 331 D SurfaceFlinger: mFrameCount = 24 mFps = 44.192
03-04 00:38:45.992 331 331 D SurfaceFlinger: mFrameCount = 54 mFps = 58.468
03-04 00:38:46.495 331 331 D SurfaceFlinger: mFrameCount = 84 mFps = 59.683
03-04 00:38:46.996 331 331 D SurfaceFlinger: mFrameCount = 114 mFps = 59.880
03-04 00:38:47.496 331 331 D SurfaceFlinger: mFrameCount = 144 mFps = 59.895
03-04 00:38:47.997 331 331 D SurfaceFlinger: mFrameCount = 174 mFps = 59.966
03-04 00:38:48.499 331 331 D SurfaceFlinger: mFrameCount = 204 mFps = 59.679
03-04 00:38:49.000 331 331 D SurfaceFlinger: mFrameCount = 234 mFps = 59.909
03-04 00:38:49.517 331 331 D SurfaceFlinger: mFrameCount = 265 mFps = 59.986
03-04 00:38:50.017 331 331 D SurfaceFlinger: mFrameCount = 295 mFps = 59.939