110 lines
1.9 KiB
C
110 lines
1.9 KiB
C
/*++
|
|
|
|
Copyright (c) 2000 Microsoft Corporation
|
|
|
|
Module Name:
|
|
|
|
tracelib.h
|
|
|
|
Abstract:
|
|
|
|
Private headers for user-mode trace library
|
|
|
|
Author:
|
|
|
|
15-Aug-2000 JeePang
|
|
|
|
Revision History:
|
|
|
|
--*/
|
|
|
|
#ifndef _TRACELIB_H_
|
|
#define _TRACELIB_H_
|
|
|
|
#define WmipNtStatusToDosError(Status) ((ULONG)((Status == STATUS_SUCCESS)?ERROR_SUCCESS:RtlNtStatusToDosError(Status)))
|
|
|
|
#if defined(_IA64_)
|
|
#include <ia64reg.h>
|
|
#endif
|
|
|
|
//
|
|
// NTDLL cannot call GetSystemTimeAsFileTime
|
|
//
|
|
__inline __int64 WmipGetSystemTime()
|
|
{
|
|
LARGE_INTEGER SystemTime;
|
|
|
|
//
|
|
// Read system time from shared region.
|
|
//
|
|
|
|
do {
|
|
SystemTime.HighPart = USER_SHARED_DATA->SystemTime.High1Time;
|
|
SystemTime.LowPart = USER_SHARED_DATA->SystemTime.LowPart;
|
|
} while (SystemTime.HighPart != USER_SHARED_DATA->SystemTime.High2Time);
|
|
|
|
return SystemTime.QuadPart;
|
|
}
|
|
|
|
//
|
|
// GetCycleCounts
|
|
//
|
|
// Since we do not want to make a kernel mode transition to get the
|
|
// thread CPU Times, we settle for just getting the CPU Cycle counts.
|
|
// We use the following macros from BradW to get the CPU cycle count.
|
|
// This method may be inaccurate if the clocks are not synchronized
|
|
// between processors.
|
|
//
|
|
|
|
#if defined(_X86_)
|
|
__inline
|
|
LONGLONG
|
|
WmipGetCycleCount(
|
|
)
|
|
{
|
|
__asm{
|
|
RDTSC
|
|
}
|
|
}
|
|
#elif defined(_AMD64_)
|
|
#define WmipGetCycleCount() ReadTimeStampCounter()
|
|
#elif defined(_IA64_)
|
|
#define WmipGetCycleCount() __getReg(CV_IA64_ApITC)
|
|
#else
|
|
#error "perf: a target architecture must be defined."
|
|
#endif
|
|
|
|
|
|
PVOID
|
|
WmipMemReserve(
|
|
IN SIZE_T Size
|
|
);
|
|
|
|
PVOID
|
|
WmipMemCommit(
|
|
IN PVOID Buffer,
|
|
IN SIZE_T Size
|
|
);
|
|
|
|
ULONG
|
|
WmipMemFree(
|
|
IN PVOID Buffer
|
|
);
|
|
|
|
HANDLE
|
|
WmipCreateFile(
|
|
LPCWSTR lpFileName,
|
|
DWORD dwDesiredAccess,
|
|
DWORD dwShareMode,
|
|
DWORD dwCreationDisposition,
|
|
DWORD dwCreateFlags
|
|
);
|
|
|
|
NTSTATUS
|
|
WmipGetCpuSpeed(
|
|
OUT DWORD* CpuNum,
|
|
OUT DWORD* CpuSpeed
|
|
);
|
|
|
|
#endif // _TRACELIB_H_
|