The mask is used to control PerformanceLib behavior.
BIT0 - Enable Performance Measurement.
Performance Measurement Property.
0x80000002 | (gEfiMdePkgTokenSpaceGuid.PcdPerformanceLibraryPropertyMask & 0xFE) == 0
Name | Token Space | Token number | Data Type | Default Value |
PcdPerformanceLibraryPropertyMask | gEfiMdePkgTokenSpaceGuid | 0x00000009 | UINT8 | 0 |