diff options
| -rw-r--r-- | ArmPkg/Library/BdsLib/BdsHelper.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/ArmPkg/Library/BdsLib/BdsHelper.c b/ArmPkg/Library/BdsLib/BdsHelper.c index fa9483ea81..a006e90db4 100644 --- a/ArmPkg/Library/BdsLib/BdsHelper.c +++ b/ArmPkg/Library/BdsLib/BdsHelper.c @@ -259,8 +259,14 @@ PrintPerformance ( UINTN Index; CHAR8 Buffer[100]; UINTN CharCount; + BOOLEAN CountUp; - TicksPerSecond = GetPerformanceCounterProperties (NULL, NULL); + TicksPerSecond = GetPerformanceCounterProperties (&Start, &Stop); + if (Start < Stop) { + CountUp = TRUE; + } else { + CountUp = FALSE; + } TimeStamp = 0; Key = 0; @@ -269,7 +275,7 @@ PrintPerformance ( if (Key != 0) { for (Index = 0; mTokenList[Index] != NULL; Index++) { if (AsciiStriCmp (mTokenList[Index], Token) == 0) { - Delta = Start - Stop; + Delta = CountUp?(Stop - Start):(Start - Stop); TimeStamp += Delta; Milliseconds = DivU64x64Remainder (MultU64x32 (Delta, 1000), TicksPerSecond, NULL); CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"%6a %6ld ms\n", Token, Milliseconds); |