diff options
| -rw-r--r-- | ArmPlatformPkg/Library/EblCmdLib/EblCmdLib.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/ArmPlatformPkg/Library/EblCmdLib/EblCmdLib.c b/ArmPlatformPkg/Library/EblCmdLib/EblCmdLib.c index f9e4b40a8e..4c298a61cf 100644 --- a/ArmPlatformPkg/Library/EblCmdLib/EblCmdLib.c +++ b/ArmPlatformPkg/Library/EblCmdLib/EblCmdLib.c @@ -223,8 +223,14 @@ EblPerformance ( UINT64 Start, Stop, TimeStamp;
UINT64 Delta, TicksPerSecond, Milliseconds, Microseconds;
UINTN Index;
+ BOOLEAN CountUp;
- TicksPerSecond = GetPerformanceCounterProperties (NULL, NULL);
+ TicksPerSecond = GetPerformanceCounterProperties (&Start, &Stop);
+ if (Start < Stop) {
+ CountUp = TRUE;
+ } else {
+ CountUp = FALSE;
+ }
Key = 0;
do {
@@ -235,7 +241,7 @@ EblPerformance ( // The entry for EBL is still running so the stop time will be zero. Skip it
AsciiPrint (" running %a\n", ImageHandleToPdbFileName ((EFI_HANDLE)Handle));
} else {
- Delta = Start - Stop;
+ Delta = CountUp?(Stop - Start):(Start - Stop);
Microseconds = DivU64x64Remainder (MultU64x32 (Delta, 1000000), TicksPerSecond, NULL);
AsciiPrint ("%10ld us %a\n", Microseconds, ImageHandleToPdbFileName ((EFI_HANDLE)Handle));
}
@@ -252,7 +258,7 @@ EblPerformance ( 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);
AsciiPrint ("%6a %6ld ms\n", Token, Milliseconds);
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