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	/***************************************************************************
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
26	#include <stdio.h>
27
28	#include "../../common/global.h"
29	#include "../../common/RTMath.h"
30
31	namespace LinuxSampler { namespace gig {
32
33	/** @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	class Profiler {
42	public:
43	static void Reset();
44
45	static void enable();
46
47	static bool isEnabled() {
48	return bEnabled;
49	}
50
51	static unsigned int GetBogoVoices( unsigned int SamplingFreq );
52
53	static RTMath::time_stamp_t Stamp( void )
54	{
55	return RTMath::CreateTimeStamp();
56	}
57
58	static void Record( RTMath::time_stamp_t start,
59	unsigned int samples, unsigned int skip )
60	{
61	RTMath::time_stamp_t stop = Stamp();
62	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	static double tsPerSecond;
72	static bool bEnabled;
73	};
74
75	}} // namespace LinuxSampler::gig
76
77	#endif // __LS_GIG_PROFILER_H__