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