51 lines
1.4 KiB
C++
51 lines
1.4 KiB
C++
/*
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Copyright (C) 2002 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __ardour_cycle_timer_h__
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#define __ardour_cycle_timer_h__
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#include <string>
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#include <iostream>
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#include <ardour/cycles.h>
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class CycleTimer {
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private:
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static float cycles_per_usec;
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cycles_t _entry;
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cycles_t _exit;
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std::string _name;
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public:
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CycleTimer(std::string name) : _name (name){
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if (cycles_per_usec == 0) {
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cycles_per_usec = get_mhz ();
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}
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_entry = get_cycles();
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}
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~CycleTimer() {
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_exit = get_cycles();
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std::cerr << _name << ": " << (float) (_exit - _entry) / cycles_per_usec << " (" << _entry << ", " << _exit << ')' << endl;
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}
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static float get_mhz ();
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};
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#endif /* __ardour_cycle_timer_h__ */
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