diff options
Diffstat (limited to 'usr.sbin/afs/src/util/mmaptime_test.c')
| -rw-r--r-- | usr.sbin/afs/src/util/mmaptime_test.c | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/usr.sbin/afs/src/util/mmaptime_test.c b/usr.sbin/afs/src/util/mmaptime_test.c new file mode 100644 index 00000000000..90439ee6e7e --- /dev/null +++ b/usr.sbin/afs/src/util/mmaptime_test.c @@ -0,0 +1,131 @@ +/* $OpenBSD: mmaptime_test.c,v 1.1.1.1 1998/09/14 21:53:22 art Exp $ */ +/* + * Copyright (c) 1998 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the Kungliga Tekniska + * Högskolan and its contributors. + * + * 4. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +RCSID("$KTH: mmaptime_test.c,v 1.2 1998/07/09 19:57:58 art Exp $"); + +#include <stdio.h> +#include <time.h> +#include <errno.h> +#include <err.h> +#include "mmaptime.h" + +void +print_time_diff(char *str, struct timeval *tv, struct timeval *tv2) +{ + struct timeval t; + + t.tv_sec = tv2->tv_sec - tv->tv_sec; + t.tv_usec = tv2->tv_usec - tv->tv_usec; + if (t.tv_usec < 0) { + t.tv_usec += 100000; + --t.tv_sec; + } + + printf("%s: %f\n", + str, + (double)t.tv_sec + + (double)t.tv_usec / 100000 ); +} + + +int main(int argc, char **argv) +{ + struct timeval t, t2, start, stop; + int i, times; + time_t tim; + + i = mmaptime_probe(); + if (i == EOPNOTSUPP) { + errx(1, "You don't have support for mmaptime\n" + "Try run configure with --enable-mmaptime"); + } else if (i) { + err(1, "probe"); + } + + if (!(argc == 2 && sscanf(argv[1], "%d", ×) == 1)) + times = 100000; + + /* Get date two diffrent ways */ + + if (mmaptime_gettimeofday(&t, NULL)) + err(1, "mmaptime_gettimeofday: here am I"); + if (gettimeofday(&t2, NULL)) + err(1, "gettimeofday: this should not happen"); + tim = t.tv_sec; + printf("mmaptime: %s", ctime(&tim)); + tim = t2.tv_sec; + printf("gettimeofday: %s", ctime(&tim)); + + print_time_diff("Diff", &t, &t2); + + /* Test run */ + + printf("Doing %d tests of mmaptime_gettimeofday()\n", times); + if (mmaptime_gettimeofday(&start, NULL)) + err(1, "mmaptime_gettimeofday: start"); + for (i = 0 ; i < times ; i++) { + if (mmaptime_gettimeofday(&t, NULL)) + err(1, "mmaptime_gettimeofday: running"); + } + if (mmaptime_gettimeofday(&stop, NULL)) + err(1, "mmaptime_gettimeofday: stop"); + print_time_diff("End time", &start, &stop); + + mmaptime_close(); + + /* Do the same with gettimeofday */ + + printf("Doing %d tests of gettimeofday()\n", times); + if (gettimeofday(&start, NULL)) + err(1, "gettimeofday: start"); + for (i = 0 ; i < times ; i++) { + if (gettimeofday(&t, NULL)) + err(1, "gettimeofday: running"); + } + if (gettimeofday(&stop, NULL)) + err(1, "gettimeofday: stop"); + print_time_diff("End time", &start, &stop); + + return 0; +} + |