302 lines
6.2 KiB
Bash
302 lines
6.2 KiB
Bash
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#!/bin/sh
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#
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# Copyright (c) 2014 EMC Corp.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# Copy of mmap10.sh with msync() added.
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# "panic: vm_map_protect: inaccessible wired map entry" seen:
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# http://people.freebsd.org/~pho/stress/log/mmap11.txt
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# No problems seen after r271681.
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# http://people.freebsd.org/~pho/stress/log/kostik730.txt, Fixed in r273784
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[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
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. ../default.cfg
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here=`pwd`
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cd /tmp
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sed '1,/^EOF/d' < $here/$0 > mmap11.c
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mycc -o mmap11 -Wall -Wextra -O2 -g mmap11.c -lpthread || exit 1
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rm -f mmap11.c
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daemon sh -c "(cd $here/../testcases/swap; ./swap -t 2m -i 20 -k)"
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sleep `jot -r 1 0 9`
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for i in `jot 2`; do
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/tmp/mmap11 &
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done
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sleep 300
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while pgrep -q mmap11; do
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pkill -9 mmap11
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sleep 2
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done
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wait
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killall -q swap
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rm -f /tmp/mmap11 /tmp/mmap11.core
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exit 0
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EOF
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#include <sys/types.h>
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#include <sys/mman.h>
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#include <sys/stat.h>
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#include <sys/wait.h>
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#include <err.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <pthread.h>
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#include <pthread_np.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#define LOOPS 2
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#define MMSIZE (192 * 1024 * 1024)
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#define N (128 * 1024 / (int)sizeof(u_int32_t))
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#define PARALLEL 50
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void *p;
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u_int32_t r[N];
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unsigned long
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makearg(void)
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{
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unsigned long val;
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unsigned int i;
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val = arc4random();
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i = arc4random() % 100;
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if (i < 20)
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val = val & 0xff;
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if (i >= 20 && i < 40)
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val = val & 0xffff;
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if (i >= 40 && i < 60)
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val = (unsigned long)(r) | (val & 0xffff);
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#if defined(__LP64__)
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if (i >= 60) {
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val = (val << 32) | arc4random();
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if (i > 80)
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val = val & 0x00007fffffffffffUL;
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}
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#endif
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return(val);
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}
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void *
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makeptr(void)
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{
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unsigned long val;
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if (p != MAP_FAILED && p != NULL)
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val = (unsigned long)p + arc4random();
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else
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val = makearg();
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val = trunc_page(val);
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return ((void *)val);
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}
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void *
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tmmap(void *arg __unused)
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{
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size_t len;
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int i, j, fd;
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pthread_set_name_np(pthread_self(), __func__);
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len = MMSIZE;
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for (i = 0, j = 0; i < 100; i++) {
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if ((fd = open("/dev/zero", O_RDWR)) == -1)
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err(1,"open()");
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if ((p = mmap(NULL, len, PROT_READ | PROT_WRITE, MAP_PRIVATE,
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fd, 0)) != MAP_FAILED) {
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usleep(100);
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munmap(p, len);
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j++;
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}
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if ((p = mmap(NULL, len, PROT_READ | PROT_WRITE, MAP_ANON,
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-1, 0)) != MAP_FAILED) {
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usleep(100);
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munmap(p, len);
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j++;
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}
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close(fd);
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}
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if (j == 0)
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fprintf(stderr, "FAIL: all mmap(2) calls failed.\n");
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return (NULL);
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}
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void *
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tmlock(void *arg __unused)
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{
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size_t len;
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int i, n;
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pthread_set_name_np(pthread_self(), __func__);
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n = 0;
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for (i = 0; i < 200; i++) {
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len = trunc_page(makearg());
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if (mlock(makeptr(), len) == 0)
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n++;
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len = trunc_page(makearg());
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if (arc4random() % 100 < 50)
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if (munlock(makeptr(), len) == 0)
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n++;
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}
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if (n < 10)
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fprintf(stderr, "Note: tmlock() only succeeded %d times.\n",
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n);
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return (NULL);
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}
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void *
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tmprotect(void *arg __unused)
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{
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size_t len;
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void *addr;
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int i, n, prot;
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pthread_set_name_np(pthread_self(), __func__);
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n = 0;
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for (i = 0; i < 200; i++) {
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addr = makeptr();
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len = trunc_page(makearg());
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prot = makearg();
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if (mprotect(addr, len, prot) == 0)
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n++;
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usleep(1000);
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}
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if (n < 10)
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fprintf(stderr, "Note: tmprotect() only succeeded %d times.\n",
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n);
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return (NULL);
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}
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void *
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tmlockall(void *arg __unused)
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{
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int flags, i, n;
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pthread_set_name_np(pthread_self(), __func__);
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n = 0;
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for (i = 0; i < 200; i++) {
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flags = makearg();
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if (mlockall(flags) == 0)
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n++;
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usleep(100);
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munlockall();
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usleep(1000);
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}
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if (n < 10)
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fprintf(stderr, "Note: tmlockall() only succeeded %d times.\n",
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n);
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return (NULL);
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}
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void *
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tmsync(void *arg __unused)
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{
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size_t len;
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void *addr;
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int flags, i, n;
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pthread_set_name_np(pthread_self(), __func__);
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n = 0;
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for (i = 0; i < 200; i++) {
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addr = makeptr();
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len = trunc_page(makearg());
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flags = makearg();
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if (msync(addr, len, flags) == 0)
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n++;
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usleep(2000);
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}
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if (n < 10)
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fprintf(stderr, "Note: tmsync() only succeeded %d times.\n",
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n);
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return (NULL);
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}
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void
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test(void)
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{
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pthread_t tid[5];
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int i, rc;
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if ((rc = pthread_create(&tid[0], NULL, tmmap, NULL)) != 0)
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errc(1, rc, "tmmap()");
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if ((rc = pthread_create(&tid[1], NULL, tmlock, NULL)) != 0)
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errc(1, rc, "tmlock()");
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if ((rc = pthread_create(&tid[2], NULL, tmprotect, NULL)) != 0)
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errc(1, rc, "tmprotect()");
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if ((rc = pthread_create(&tid[3], NULL, tmlockall, NULL)) != 0)
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errc(1, rc, "tmlockall()");
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if ((rc = pthread_create(&tid[4], NULL, tmsync, NULL)) != 0)
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errc(1, rc, "tmlockall()");
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for (i = 0; i < 100; i++) {
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if (fork() == 0) {
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usleep(10000);
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_exit(0);
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}
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wait(NULL);
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}
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for (i = 0; i < 5; i++)
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if ((rc = pthread_join(tid[i], NULL)) != 0)
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errc(1, rc, "pthread_join(%d)", i);
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_exit(0);
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}
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int
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main(void)
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{
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int i, j;
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for (i = 0; i < N; i++)
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r[i] = arc4random();
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for (i = 0; i < LOOPS; i++) {
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for (j = 0; j < PARALLEL; j++) {
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if (fork() == 0)
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test();
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}
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for (j = 0; j < PARALLEL; j++)
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wait(NULL);
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}
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return (0);
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}
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