77 lines
2.9 KiB
C
77 lines
2.9 KiB
C
/*************************************************************************
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* *
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* Open Dynamics Engine, Copyright (C) 2001,2002 Russell L. Smith. *
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* All rights reserved. Email: russ@q12.org Web: www.q12.org *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of EITHER: *
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* (1) The GNU Lesser General Public License as published by the Free *
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* Software Foundation; either version 2.1 of the License, or (at *
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* your option) any later version. The text of the GNU Lesser *
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* General Public License is included with this library in the *
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* file LICENSE.TXT. *
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* (2) The BSD-style license that is included with this library in *
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* the file LICENSE-BSD.TXT. *
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* *
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* This library 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 files *
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* LICENSE.TXT and LICENSE-BSD.TXT for more details. *
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* *
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*************************************************************************/
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#ifndef _ODE_TIMER_H_
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#define _ODE_TIMER_H_
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#include <ode/config.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* stop watch objects */
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typedef struct dStopwatch {
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double time; /* total clock count */
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unsigned long cc[2]; /* clock count since last `start' */
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} dStopwatch;
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ODE_API void dStopwatchReset (dStopwatch *);
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ODE_API void dStopwatchStart (dStopwatch *);
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ODE_API void dStopwatchStop (dStopwatch *);
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ODE_API double dStopwatchTime (dStopwatch *); /* returns total time in secs */
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/* code timers */
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ODE_API void dTimerStart (const char *description); /* pass a static string here */
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ODE_API void dTimerNow (const char *description); /* pass a static string here */
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ODE_API void dTimerEnd(void);
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/* print out a timer report. if `average' is nonzero, print out the average
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* time for each slot (this is only meaningful if the same start-now-end
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* calls are being made repeatedly.
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*/
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ODE_API void dTimerReport (FILE *fout, int average);
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/* resolution */
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/* returns the timer ticks per second implied by the timing hardware or API.
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* the actual timer resolution may not be this great.
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*/
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ODE_API double dTimerTicksPerSecond(void);
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/* returns an estimate of the actual timer resolution, in seconds. this may
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* be greater than 1/ticks_per_second.
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*/
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ODE_API double dTimerResolution(void);
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#ifdef __cplusplus
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}
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#endif
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#endif
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