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-rw-r--r--libs/ardour/ardour/cycle_timer.h53
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diff --git a/libs/ardour/ardour/cycle_timer.h b/libs/ardour/ardour/cycle_timer.h
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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__ */