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/*
Copyright (C) 2002 Paul Davis
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., 675 Mass Ave, Cambridge, MA 02139, USA.
$Id$
*/
#ifndef __ardour_cycle_timer_h__
#define __ardour_cycle_timer_h__
#include <string>
#include <cstdio>
#include <ardour/cycles.h>
using std::string;
class CycleTimer {
private:
static float cycles_per_usec;
uint32_t long entry;
uint32_t long exit;
string _name;
public:
CycleTimer(string name) : _name (name){
if (cycles_per_usec == 0) {
cycles_per_usec = get_mhz ();
}
entry = get_cycles();
}
~CycleTimer() {
exit = get_cycles();
printf ("%s: %.9f usecs (%lu-%lu)\n", _name.c_str(), (float) (exit - entry) / cycles_per_usec, entry, exit);
}
static float get_mhz ();
};
#endif /* __ardour_cycle_timer_h__ */
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