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| author | Yang Gang <yanggang@byosoft.com.cn> | 2024-09-19 16:12:20 +0800 |
|---|---|---|
| committer | mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> | 2024-11-14 02:15:43 +0000 |
| commit | 3299c36ba181b1e7d23987f94cad688e2ea67223 (patch) | |
| tree | 2de9a3efdc3d20186a2db3b4f8fa49f86d8ecf80 | |
| parent | e12a8d83faf7cf79b3dc7585950dd639df333342 (diff) | |
| download | edk2-3299c36ba181b1e7d23987f94cad688e2ea67223.tar.gz edk2-3299c36ba181b1e7d23987f94cad688e2ea67223.tar.bz2 edk2-3299c36ba181b1e7d23987f94cad688e2ea67223.zip | |
EmulatorPkg WinThunk: Use Win32 API to get Performance Frequency and Count
Then we can use correct TimerLib in another code,
such as dpDynamicCommand(PerformanceLib).
These API are from profileapi.h header and can refer to the link:
https://learn.microsoft.com/en-us/windows/win32/api/profileapi/
Signed-off-by: Yang Gang <yanggang@byosoft.com.cn>
| -rw-r--r-- | EmulatorPkg/Win/Host/WinThunk.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/EmulatorPkg/Win/Host/WinThunk.c b/EmulatorPkg/Win/Host/WinThunk.c index 0abe4727e0..e1b158c2da 100644 --- a/EmulatorPkg/Win/Host/WinThunk.c +++ b/EmulatorPkg/Win/Host/WinThunk.c @@ -5,7 +5,7 @@ SPDX-License-Identifier: BSD-2-Clause-Patent Module Name:
- WinNtThunk.c
+ WinThunk.c
Abstract:
@@ -29,6 +29,8 @@ STATIC DWORD mOldStdInMode; STATIC DWORD mOldStdOutMode;
#endif
+STATIC UINT64 mPerformanceFrequency = 0;
+
UINTN
SecWriteStdErr (
IN UINT8 *Buffer,
@@ -451,8 +453,13 @@ SecQueryPerformanceFrequency ( VOID
)
{
- // Hard code to nanoseconds
- return 1000000000ULL;
+ if (mPerformanceFrequency) {
+ return mPerformanceFrequency;
+ }
+
+ QueryPerformanceFrequency ((LARGE_INTEGER *)&mPerformanceFrequency);
+
+ return mPerformanceFrequency;
}
UINT64
@@ -460,7 +467,11 @@ SecQueryPerformanceCounter ( VOID
)
{
- return 0;
+ UINT64 PerformanceCount;
+
+ QueryPerformanceCounter ((LARGE_INTEGER *)&PerformanceCount);
+
+ return PerformanceCount;
}
VOID
|