Date: Fri, 30 Dec 2011 13:46:21 +0000 (UTC) From: Peter Holm <pho@FreeBSD.org> To: src-committers@freebsd.org, svn-src-projects@freebsd.org Subject: svn commit: r228995 - projects/stress2/misc Message-ID: <201112301346.pBUDkLJW015734@svn.freebsd.org>
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Author: pho Date: Fri Dec 30 13:46:21 2011 New Revision: 228995 URL: http://svn.freebsd.org/changeset/base/228995 Log: One more tmpfs(5) test added. Added: projects/stress2/misc/tmpfs6.sh (contents, props changed) Added: projects/stress2/misc/tmpfs6.sh ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ projects/stress2/misc/tmpfs6.sh Fri Dec 30 13:46:21 2011 (r228995) @@ -0,0 +1,112 @@ +#!/bin/sh + +# +# Copyright (c) 2010 Peter Holm <pho@FreeBSD.org> +# 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. +# +# THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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. +# +# $FreeBSD$ +# + +# panic: deadlkres: possible deadlock detected for 0xc8576a00, blocked for 1801792 ticks + +# Scenario by kib@ + +[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 + +. ../default.cfg + +odir=`pwd` +cd /tmp +sed '1,/^EOF/d' < $odir/$0 > tmpfs6.c +cc -o tmpfs6 -Wall tmpfs6.c +rm -f tmpfs6.c + +mount | grep $mntpoint | grep -q tmpfs && umount $mntpoint +mount -t tmpfs tmpfs $mntpoint + +(cd $mntpoint; /tmp/tmpfs6) +rm -f /tmp/tmpfs6 + +while mount | grep $mntpoint | grep -q tmpfs; do + umount $mntpoint || sleep 1 +done +exit +EOF +#include <sys/types.h> +#include <unistd.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <stdio.h> +#include <stdlib.h> +#include <sys/mman.h> +#include <err.h> + +int pagesize; + +#define FILESIZE (32 * 1024) +char wbuffer[FILESIZE]; + +void +test(void) +{ + int fd; + int len; + void *addr; + char filename[80]; + + snprintf(filename, sizeof(filename), "file.%07d", getpid()); + if ((fd = open(filename, O_CREAT | O_TRUNC | O_RDWR, S_IRWXU)) == -1) + err(1, "open(%s)", filename); + + if ((len = write(fd, wbuffer, FILESIZE)) != len) + err(1, "write()"); + + fsync(fd); + + if ((addr = mmap(NULL, FILESIZE, PROT_READ | PROT_WRITE , MAP_SHARED, fd, 0)) == MAP_FAILED) + err(1, "mmap()"); + + if (lseek(fd, 0, SEEK_SET) != 0) + err(1, "lseek()"); + + if ((len = write(fd, addr, FILESIZE)) != len) + err(1, "write() 2"); + + if (munmap(addr, FILESIZE) == -1) + err(1, "munmap()"); + close(fd); + unlink(filename); + +} + +int +main(int argc, char **argv) +{ + int i; + + for (i = 0; i < 10000; i++) + test(); + + return (0); +}
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