Function GetTiming

Library/MemLogLibDefault/MemLogLib.c:62–88

Inits mem log. @retval EFI_SUCCESS The constructor always returns EFI_SUCCESS. **/

**/
CHAR8*
GetTiming(VOID)
{
	UINT64    dTStartSec;
	UINT64    dTStartMs;
	UINT64    dTLastSec;
	UINT64    dTLastMs;
	UINT64    CurrentTsc;
	
	mTimingTxt[0] = '\0';
	
	if (mMemLog != NULL && mMemLog->TscFreqSec != 0) {
		CurrentTsc = AsmReadTsc();
    
		dTStartMs = DivU64x64Remainder(MultU64x32(CurrentTsc - mMemLog->TscStart, 1000), mMemLog->TscFreqSec, NULL);
		dTStartSec = DivU64x64Remainder(dTStartMs, 1000, &dTStartMs);
    
		dTLastMs = DivU64x64Remainder(MultU64x32(CurrentTsc - mMemLog->TscLast, 1000), mMemLog->TscFreqSec, NULL);
		dTLastSec = DivU64x64Remainder(dTLastMs, 1000, &dTLastMs);
    
		AsciiSPrint(mTimingTxt, sizeof(mTimingTxt),
                "%ld:%03ld  %ld:%03ld", dTStartSec, dTStartMs, dTLastSec, dTLastMs);
		mMemLog->TscLast = CurrentTsc;
	}
	
	return mTimingTxt;
}