Guid for Firmware Performance Data Table (FPDT) implementation.
Include/Guid/FirmwarePerformance.h

GUID Information

GUID's Guid Name	GUID's Guid
gEfiFirmwarePerformanceGuid	{ 0xc095791a, 0x3001, 0x47b2, { 0x80, 0xc9, 0xea, 0xc7, 0x31, 0x9f, 0x2f, 0xa4 }}

Refer to Header File