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/*
* Copyright (C) 1997-2002, Michael Jennings
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies of the Software, its documentation and marketing & publicity
* materials, and acknowledgment shall be given in the documentation, materials
* and software packages that this Software was used.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef _LIBAST_PERF_H_
# define _LIBAST_PERF_H_
# define TDIFF(t1, t2) (((t2).tv_sec + ((double) (t2).tv_usec / 1000000.0)) \
- ((t1).tv_sec + ((double) (t1).tv_usec / 1000000.0)))
# define PERF_ITERATIONS 100000
# define PERF_BEGIN(s) do { \
tnum = 0; \
printf("Profiling " s "..."); \
fflush(stdout); \
gettimeofday(&time1, NULL); \
for (prof_counter = 0; prof_counter < PERF_ITERATIONS; prof_counter++) {
# define PERF_TEST(x) do { tnum++; x ; } while (0)
# define PERF_END() } \
gettimeofday(&time2, NULL); \
time_diff = TDIFF(time1, time2); \
printf("%lu iterations in %6.5g seconds, %6.5g seconds per iteration\n", \
tnum, time_diff, time_diff / tnum); \
} while (0)
# define PERF_ENDED(s) printf(s " profiling done.\n\n"); return 0;
#endif
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