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( void )
            {
                    profilingSamples = 0;
                    profilingTime = 0;
            }

                static void enable() {
                    bEnabled = true;
                }

                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			static void Reset( void )
44			{
45			profilingSamples = 0;
46			profilingTime = 0;
47			}
48
49	schoenebeck	770	static void enable() {
50			bEnabled = true;
51			}
52
53			static bool isEnabled() {
54			return bEnabled;
55			}
56
57	senkov	326	static unsigned int GetBogoVoices( unsigned int SamplingFreq );
58
59	schoenebeck	328	static RTMath::time_stamp_t Stamp( void )
60	senkov	326	{
61	schoenebeck	328	return RTMath::CreateTimeStamp();
62	senkov	326	}
63
64	schoenebeck	328	static void Record( RTMath::time_stamp_t start,
65	senkov	326	unsigned int samples, unsigned int skip )
66			{
67	schoenebeck	328	RTMath::time_stamp_t stop = Stamp();
68	senkov	326	profilingTime += (stop - start);
69			profilingSamples += (samples - skip);
70			}
71
72			static void Calibrate( void );
73
74			private:
75			static unsigned long long profilingSamples;
76			static unsigned long long profilingTime;
77	schoenebeck	328	static double tsPerSecond;
78	schoenebeck	770	static bool bEnabled;
79	senkov	326	};
80
81			}} // namespace LinuxSampler::gig
82
83			#endif // __LS_GIG_PROFILER_H__