@retval EFI_SUCCESS The GuageDataEntryEx is successfully found based on LogEntryKey.\r
@retval EFI_NOT_FOUND There is no entry after the measurement referred to by LogEntryKey.\r
@retval EFI_INVALID_PARAMETER The LogEntryKey is not a valid entry, or GaugeDataEntryEx is NULL.\r
@retval EFI_SUCCESS The GuageDataEntryEx is successfully found based on LogEntryKey.\r
@retval EFI_NOT_FOUND There is no entry after the measurement referred to by LogEntryKey.\r
@retval EFI_INVALID_PARAMETER The LogEntryKey is not a valid entry, or GaugeDataEntryEx is NULL.\r