1 /*
2 * Copyright (C) 2021 Jakub Kruszona-Zawadzki, Core Technology Sp. z o.o.
3 *
4 * This file is part of MooseFS.
5 *
6 * MooseFS is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, version 2 (only).
9 *
10 * MooseFS is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with MooseFS; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02111-1301, USA
18 * or visit http://www.gnu.org/licenses/gpl-2.0.html
19 */
20
21 #include <sys/types.h>
22 #include <sys/select.h>
23 #include <sys/time.h>
24 #include <unistd.h>
25 #include <stdio.h>
26 #include <string.h>
27
28 #include "clocks.h"
29 #include "portable.h"
30
31 #include "mfstest.h"
32
wallclock_utime(void)33 uint64_t wallclock_utime(void) {
34 struct timeval tv;
35 uint64_t usec;
36
37 gettimeofday(&tv,NULL);
38 usec = tv.tv_sec;
39 usec *= 1000000;
40 usec += tv.tv_usec;
41 return usec;
42 }
43
main(void)44 int main(void) {
45 double st,en,secsum;
46 uint64_t stusec,enusec,usecsum;
47 uint64_t stnsec,ennsec,nsecsum;
48 uint64_t wcstusec,wcenusec,wcusecsum;
49 int i;
50
51 if (strcmp(monotonic_method(),"time")==0) {
52 printf("testing classic 'time(NULL)' clock doesn't make sense\n");
53 return 77;
54 }
55
56 mfstest_init();
57
58 mfstest_start(monotonic_clocks);
59
60 printf("used method: %s\n",monotonic_method());
61 secsum = 0.0;
62 usecsum = 0;
63 nsecsum = 0;
64 wcusecsum = 0;
65 for (i=0 ; i<10 ; i++) {
66 st = monotonic_seconds();
67 stusec = monotonic_useconds();
68 stnsec = monotonic_nseconds();
69 wcstusec = wallclock_utime();
70 portable_usleep(10000);
71 en = monotonic_seconds();
72 enusec = monotonic_useconds();
73 ennsec = monotonic_nseconds();
74 wcenusec = wallclock_utime();
75 secsum += en-st;
76 usecsum += enusec-stusec;
77 nsecsum += ennsec-stnsec;
78 wcusecsum += wcenusec-wcstusec;
79 }
80 printf("second: %.6lf ; %"PRIu64" ; %"PRIu64" ; %"PRIu64"\n",secsum,usecsum,nsecsum,wcusecsum);
81
82 mfstest_assert_double_ge(secsum,0.1);
83 mfstest_assert_uint64_ge(usecsum,100000);
84 mfstest_assert_uint64_ge(nsecsum,100000000);
85 mfstest_assert_uint64_ge(wcusecsum,100000);
86 mfstest_assert_double_lt(secsum,0.25);
87 mfstest_assert_uint64_lt(usecsum,250000);
88 mfstest_assert_uint64_lt(nsecsum,250000000);
89 mfstest_assert_uint64_lt(wcusecsum,250000);
90
91 mfstest_end();
92 mfstest_return();
93 }
94