2 Copyright (C) 2002 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #ifndef __ardour_cycle_timer_h__
21 #define __ardour_cycle_timer_h__
27 #include "ardour/libardour_visibility.h"
28 #include "ardour/cycles.h"
29 #include "ardour/debug.h"
33 class LIBARDOUR_API CycleTimer {
35 static float cycles_per_usec;
43 CycleTimer(const std::string& name) {
45 if (DEBUG_ENABLED (PBD::DEBUG::CycleTimers)) {
47 if (cycles_per_usec == 0) {
48 cycles_per_usec = get_mhz ();
50 _entry = get_cycles();
59 if (DEBUG_ENABLED (PBD::DEBUG::CycleTimers)) {
61 std::cerr << _name << ": " << (float) (_exit - _entry) / cycles_per_usec << " (" << _entry << ", " << _exit << ')' << std::endl;
67 class LIBARDOUR_API StoringTimer
73 void dump (std::string const &);
76 cycles_t _current_ref;
85 extern StoringTimer ST;
86 #define PT_TIMING_REF ST.ref();
87 #define PT_TIMING_CHECK(x) ST.check(x);
92 #define PT_TIMING_CHECK(x)
95 #endif /* __ardour_cycle_timer_h__ */