engines/gig/Profiler.h

/***************************************************************************
 *                                                                         *
 *   LinuxSampler - modular, streaming capable sampler                     *
 *                                                                         *
 *   Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck   *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the Free Software           *
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston,                 *
 *   MA  02111-1307  USA                                                   *
 ***************************************************************************/

#ifndef __LS_GIG_PROFILER_H__
#define __LS_GIG_PROFILER_H__

#include <stdio.h>

#include "../../common/global.h"
#include "../../common/RTMath.h"

namespace LinuxSampler { namespace gig {

    /** @brief Synthesis Profiler
     *
     * Provides a benchmark algorithm to return a somewhat abstract Bogo
     * Voices value to reflect the voice count limit of the running system
     * with the given instrument patch und circumstances. Note that the
     * real voice count limitation will in practice be lower than this Bogo
     * Voice value.
     */
    class Profiler {
        public:
                static void Reset();

                static void enable();

                static bool isEnabled() {
                    return bEnabled;
                }

            static unsigned int GetBogoVoices( unsigned int SamplingFreq );

            static RTMath::time_stamp_t Stamp( void )
            {
                    return RTMath::CreateTimeStamp();
            }

            static void Record( RTMath::time_stamp_t start,
                        unsigned int samples, unsigned int skip )
            {
                    RTMath::time_stamp_t stop = Stamp();
                    profilingTime += (stop - start);
                    profilingSamples += (samples - skip);
            }

            static void Calibrate( void );

        private:
            static unsigned long long profilingSamples;
            static unsigned long long profilingTime;
            static double tsPerSecond;
            static bool bEnabled;
    };

}} // namespace LinuxSampler::gig

#endif // __LS_GIG_PROFILER_H__
1	senkov	326	/***************************************************************************
2			* *
3			* LinuxSampler - modular, streaming capable sampler *
4			* *
5			* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck *
6			* *
7			* This program is free software; you can redistribute it and/or modify *
8			* it under the terms of the GNU General Public License as published by *
9			* the Free Software Foundation; either version 2 of the License, or *
10			* (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, write to the Free Software *
19			* Foundation, Inc., 59 Temple Place, Suite 330, Boston, *
20			* MA 02111-1307 USA *
21			***************************************************************************/
22
23			#ifndef __LS_GIG_PROFILER_H__
24			#define __LS_GIG_PROFILER_H__
25	schoenebeck	328
26	senkov	326	#include <stdio.h>
27
28	schoenebeck	328	#include "../../common/global.h"
29			#include "../../common/RTMath.h"
30
31	senkov	326	namespace LinuxSampler { namespace gig {
32
33	schoenebeck	563	/** @brief Synthesis Profiler
34			*
35			* Provides a benchmark algorithm to return a somewhat abstract Bogo
36			* Voices value to reflect the voice count limit of the running system
37			* with the given instrument patch und circumstances. Note that the
38			* real voice count limitation will in practice be lower than this Bogo
39			* Voice value.
40			*/
41	senkov	326	class Profiler {
42			public:
43	schoenebeck	1552	static void Reset();
44	senkov	326
45	schoenebeck	1552	static void enable();
46	schoenebeck	770
47			static bool isEnabled() {
48			return bEnabled;
49			}
50
51	senkov	326	static unsigned int GetBogoVoices( unsigned int SamplingFreq );
52
53	schoenebeck	328	static RTMath::time_stamp_t Stamp( void )
54	senkov	326	{
55	schoenebeck	328	return RTMath::CreateTimeStamp();
56	senkov	326	}
57
58	schoenebeck	328	static void Record( RTMath::time_stamp_t start,
59	senkov	326	unsigned int samples, unsigned int skip )
60			{
61	schoenebeck	328	RTMath::time_stamp_t stop = Stamp();
62	senkov	326	profilingTime += (stop - start);
63			profilingSamples += (samples - skip);
64			}
65
66			static void Calibrate( void );
67
68			private:
69			static unsigned long long profilingSamples;
70			static unsigned long long profilingTime;
71	schoenebeck	328	static double tsPerSecond;
72	schoenebeck	770	static bool bEnabled;
73	senkov	326	};
74
75			}} // namespace LinuxSampler::gig
76
77			#endif // __LS_GIG_PROFILER_H__