AMD APU, как посмотреть частоту графической части?

$cat /sys/kernel/debug/dri/0/amdgpu_pm_info
Clock Gating Flags Mask: 0xfe97cf
	Graphics Medium Grain Clock Gating: On
	Graphics Medium Grain memory Light Sleep: On
	Graphics Coarse Grain Clock Gating: On
	Graphics Coarse Grain memory Light Sleep: On
	Graphics Coarse Grain Tree Shader Clock Gating: Off
	Graphics Coarse Grain Tree Shader Light Sleep: Off
	Graphics Command Processor Light Sleep: On
	Graphics Run List Controller Light Sleep: On
	Graphics 3D Coarse Grain Clock Gating: On
	Graphics 3D Coarse Grain memory Light Sleep: On
	Memory Controller Light Sleep: On
	Memory Controller Medium Grain Clock Gating: On
	System Direct Memory Access Light Sleep: On
	System Direct Memory Access Medium Grain Clock Gating: Off
	Bus Interface Medium Grain Clock Gating: On
	Bus Interface Light Sleep: On
	Unified Video Decoder Medium Grain Clock Gating: Off
	Video Compression Engine Medium Grain Clock Gating: Off
	Host Data Path Light Sleep: On
	Host Data Path Medium Grain Clock Gating: Off
	Digital Right Management Medium Grain Clock Gating: On
	Digital Right Management Light Sleep: On
	Rom Medium Grain Clock Gating: On
	Data Fabric Medium Grain Clock Gating: On

GFX Clocks and Power:
	1500 MHz (MCLK)
	400 MHz (SCLK)
	700 MHz (PSTATE_SCLK)
	933 MHz (PSTATE_MCLK)

GPU Temperature: 29 C