2 * Copyright (c) 2008 Peter Holm <pho@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 #include <sys/types.h>
29 #include <sys/sysctl.h>
34 #include <sys/resource.h>
40 static unsigned long size;
57 pct = random_int(1, 10);
60 pct = random_int(10, 20);
63 pct = random_int(80, 90);
66 pct = random_int(100, 110);
69 size = mem / 100 * pct;
71 size = swapinfo / 100 * pct + mem;
73 size = size / op->incarnations;
75 if (getrlimit(RLIMIT_DATA, &rlp) < 0)
77 rlp.rlim_cur -= 1024 * 1024;
79 if (size > rlp.rlim_cur)
84 if (op->verbose > 1 && nb == 0)
85 printf("setup: pid %d, %d%%. Total %luMb\n",
86 getpid(), pct, size / 1024 / 1024 * op->incarnations);
102 unsigned long oldsize = size;
106 while (c == NULL && done_testing == 0) {
110 if (op->verbose > 1 && size != oldsize)
111 printf("Malloc size changed from %ld Mb to %ld Mb\n",
112 oldsize / 1024 / 1024, size / 1024 / 1024);
113 page = getpagesize();
114 start = time(NULL); /* Livelock workaround */
115 while (done_testing == 0 &&
116 (time(NULL) - start) < op->run_time) {
118 while (i < size && done_testing == 0) {