1 /*** 2 This file is part of PulseAudio. 3 4 PulseAudio is free software; you can redistribute it and/or modify 5 it under the terms of the GNU Lesser General Public License as published 6 by the Free Software Foundation; either version 2.1 of the License, 7 or (at your option) any later version. 8 9 PulseAudio is distributed in the hope that it will be useful, but 10 WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 General Public License for more details. 13 ***/ 14 15 #ifndef fooruntimetestutilhfoo 16 #define fooruntimetestutilhfoo 17 18 #ifdef HAVE_CONFIG_H 19 #include <config.h> 20 #endif 21 22 #include <math.h> 23 24 #include <pulsecore/macro.h> 25 #include <pulse/rtclock.h> 26 27 #define PA_RUNTIME_TEST_RUN_START(l, t1, t2) \ 28 { \ 29 int _j, _k; \ 30 int _times = (t1), _times2 = (t2); \ 31 pa_usec_t _start, _stop; \ 32 pa_usec_t _min = INT_MAX, _max = 0; \ 33 double _s1 = 0, _s2 = 0; \ 34 const char *_label = (l); \ 35 \ 36 for (_k = 0; _k < _times2; _k++) { \ 37 _start = pa_rtclock_now(); \ 38 for (_j = 0; _j < _times; _j++) 39 40 #define PA_RUNTIME_TEST_RUN_STOP \ 41 _stop = pa_rtclock_now(); \ 42 \ 43 if (_min > (_stop - _start)) _min = _stop - _start; \ 44 if (_max < (_stop - _start)) _max = _stop - _start; \ 45 _s1 += _stop - _start; \ 46 _s2 += (_stop - _start) * (_stop - _start); \ 47 } \ 48 pa_log_debug("%s: %llu usec (avg: %g, min = %llu, max = %llu, stddev = %g).", _label, \ 49 (long long unsigned int)_s1, \ 50 ((double)_s1 / _times2), \ 51 (long long unsigned int)_min, \ 52 (long long unsigned int)_max, \ 53 sqrt(_times2 * _s2 - _s1 * _s1) / _times2); \ 54 } 55 56 #endif 57