KiCad PCB EDA Suite
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profile.cpp
Go to the documentation of this file.
1/*
2 * This program source code file is part of KiCad, a free EDA CAD application.
3 *
4 * Copyright (C) 2012 SoftPLC Corporation, Dick Hollenbeck <[email protected]>
5 * Copyright The KiCad Developers, see AUTHORS.txt for contributors.
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version 2
10 * of the License, or (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, you may find one here:
19 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
20 * or you may search the http://www.gnu.org website for the version 2 license,
21 * or you may write to the Free Software Foundation, Inc.,
22 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
23 */
24
25
26#include <config.h>
27#include <cstdint>
28
29#if defined( _WIN32 )
30
31#include <windows.h>
32
33int64_t GetRunningMicroSecs()
34{
35 FILETIME now;
36
37 GetSystemTimeAsFileTime( &now );
38 uint64_t t = ( UINT64( now.dwHighDateTime ) << 32 ) + now.dwLowDateTime;
39 t /= 10;
40
41 return int64_t( t );
42}
43
44#elif defined( HAVE_CLOCK_GETTIME )
45
46#include <ctime>
47
48int64_t GetRunningMicroSecs()
49{
50 struct timespec now;
51
52 clock_gettime( CLOCK_MONOTONIC, &now );
53
54 int64_t usecs = (int64_t) now.tv_sec * 1000000 + now.tv_nsec / 1000;
55 // unsigned msecs = (now.tv_nsec / (1000*1000)) + now.tv_sec * 1000;
56
57 return usecs;
58}
59
60
61#elif defined( HAVE_GETTIMEOFDAY_FUNC )
62
63#include <sys/time.h>
64int64_t GetRunningMicroSecs()
65{
66 timeval tv;
67
68 gettimeofday( &tv, 0 );
69
70 return (int64_t) tv.tv_sec * 1000000 + tv.tv_usec;
71}
72
73#endif
#define UINT64
int64_t GetRunningMicroSecs()
An alternate way to calculate an elapsed time (in microsecondes) to class PROF_COUNTER.