2 * ReactOS W32 Subsystem
3 * Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003 ReactOS Team
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
21 * COPYRIGHT: See COPYING in the top level directory
22 * PROJECT: ReactOS kernel
23 * PURPOSE: GDI Driver Performance Counter Functions
24 * FILE: subsys/win32k/eng/perfcnt.c
25 * PROGRAMER: Ge van Geldorp
37 EngQueryPerformanceFrequency(LONGLONG
*Frequency
)
41 KeQueryPerformanceCounter(&Freq
);
42 *Frequency
= Freq
.QuadPart
;
49 EngQueryPerformanceCounter(LONGLONG
*Count
)
51 LARGE_INTEGER PerfCount
;
53 PerfCount
= KeQueryPerformanceCounter(NULL
);
54 *Count
= PerfCount
.QuadPart
;