/*
- Copyright (C) 2002 Paul Davis
+ 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
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__
#include <string>
#include <iostream>
+#include <cstdlib>
-#include <ardour/cycles.h>
+#include "ardour/libardour_visibility.h"
+#include "ardour/cycles.h"
+#include "ardour/debug.h"
-class CycleTimer {
+float get_mhz ();
+
+class LIBARDOUR_API CycleTimer {
private:
static float cycles_per_usec;
+#ifndef NDEBUG
cycles_t _entry;
cycles_t _exit;
std::string _name;
-
+#endif
+
public:
- CycleTimer(std::string name) : _name (name){
- if (cycles_per_usec == 0) {
- cycles_per_usec = get_mhz ();
+ CycleTimer(const std::string& name) {
+#ifndef NDEBUG
+ if (DEBUG_ENABLED (PBD::DEBUG::CycleTimers)) {
+ _name = name;
+ if (cycles_per_usec == 0) {
+ cycles_per_usec = get_mhz ();
+ }
+ _entry = get_cycles();
}
- _entry = get_cycles();
+#else
+ (void) name;
+#endif
}
+
~CycleTimer() {
- _exit = get_cycles();
- std::cerr << _name << ": " << (float) (_exit - _entry) / cycles_per_usec << " (" << _entry << ", " << _exit << ')' << endl;
+#ifndef NDEBUG
+ if (DEBUG_ENABLED (PBD::DEBUG::CycleTimers)) {
+ _exit = get_cycles();
+ std::cerr << _name << ": " << (float) (_exit - _entry) / cycles_per_usec << " (" << _entry << ", " << _exit << ')' << std::endl;
+ }
+#endif
}
+};
+
+class LIBARDOUR_API StoringTimer
+{
+public:
+ StoringTimer (int);
+ void ref ();
+ void check (int);
+#ifndef NDEBUG
+ void dump (std::string const &);
+#endif
- static float get_mhz ();
+private:
+ cycles_t _current_ref;
+ int* _point;
+ cycles_t* _value;
+ cycles_t* _ref;
+ int _points;
+ int _max_points;
};
+#ifdef PT_TIMING
+extern StoringTimer ST;
+#define PT_TIMING_REF ST.ref();
+#define PT_TIMING_CHECK(x) ST.check(x);
+#endif
+
+#ifndef PT_TIMING
+#define PT_TIMING_REF
+#define PT_TIMING_CHECK(x)
+#endif
+
#endif /* __ardour_cycle_timer_h__ */