Date: Tue, 10 Sep 2013 05:59:10 +0000 (UTC) From: Peter Holm <pho@FreeBSD.org> To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r255441 - user/pho/stress2/misc Message-ID: <201309100559.r8A5xABV044731@svn.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: pho Date: Tue Sep 10 05:59:09 2013 New Revision: 255441 URL: http://svnweb.freebsd.org/changeset/base/255441 Log: Added three new mmap(2) test scenarios. Sponsored by: EMC / Isilon storage division Added: user/pho/stress2/misc/mmap5.sh (contents, props changed) user/pho/stress2/misc/mmap6.sh (contents, props changed) user/pho/stress2/misc/mmap7.sh (contents, props changed) Added: user/pho/stress2/misc/mmap5.sh ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ user/pho/stress2/misc/mmap5.sh Tue Sep 10 05:59:09 2013 (r255441) @@ -0,0 +1,129 @@ +#!/bin/sh + +# +# Copyright (c) 2013 EMC Corp. +# 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. +# +# $FreeBSD$ +# + +# Test scenario inspired by alc@ +# "panic: vm_page_dirty: page is invalid!" seen. + +dir=/tmp +odir=`pwd` +cd $dir +sed '1,/^EOF/d' < $odir/$0 > $dir/wire_no_page.c +cc -o mmap5 -Wall -Wextra wire_no_page.c || exit 1 +rm -f wire_no_page.c +cd $odir + +cp /tmp/mmap5 /tmp/mmap5.inputfile +(cd ../testcases/swap; ./swap -t 1m -i 2) & +cp /tmp/mmap5 /tmp/mmap5.inputfile +/tmp/mmap5 /tmp/mmap5.inputfile +while ps auxww | grep -v grep | grep -qw swap; do + killall -9 swap 2>/dev/null + sleep .1 +done +wait +rm -f /tmp/mmap5 /tmp/mmap5.inputfile +exit + +EOF +#include <err.h> +#include <errno.h> +#include <stdlib.h> +#include <sys/fcntl.h> +#include <sys/mman.h> +#include <sys/param.h> +#include <sys/stat.h> +#include <sys/types.h> +#include <sys/wait.h> +#include <unistd.h> + +const char *file; + +void +test2(void) +{ + struct stat st; + char *p; + size_t len; + int error, fd; + + if ((fd = open(file, O_RDWR)) == -1) + err(1, "open %s", file); + if ((error = fstat(fd, &st)) == -1) + err(1, "stat(%s)", file); + len = round_page(st.st_size); + if ((p = mmap(NULL, len, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0)) == MAP_FAILED) + err(1, "mmap"); + p[arc4random() % len] = 1; + if (arc4random() % 100 < 50) + if ((error = mlock(p, len)) == -1) + err(1, "mlock"); + p[arc4random() % len] = 1; + if (arc4random() % 100 < 50) + if ((error = msync(p, len, MS_SYNC | MS_INVALIDATE)) == -1) + if (errno != EBUSY) + err(1, "msync"); + if (munmap(p, len) == -1) + err(1, "unmap()"); + close(fd); + _exit(0); + +} + +void +test(void) +{ + int i; + + for (i = 0; i < 3; i++) + if (fork() == 0) + test2(); + for (i = 0; i < 3; i++) + wait(NULL); + + _exit(0); +} + +int +main(int argc, char *argv[]) +{ + int i; + + if (argc != 2) + errx(1, "Usage: %s <file>", argv[0]); + file = argv[1]; + + for (i = 0; i < 30000; i++) { + if (fork() == 0) + test(); + wait(NULL); + } + + return (0); +} Added: user/pho/stress2/misc/mmap6.sh ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ user/pho/stress2/misc/mmap6.sh Tue Sep 10 05:59:09 2013 (r255441) @@ -0,0 +1,174 @@ +#!/bin/sh + +# +# Copyright (c) 2013 EMC Corp. +# 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. +# +# $FreeBSD$ +# + +# Test scenario inspired by alc@ +# "panic: vm_page_dirty: page is invalid!" seen. + +dir=/tmp +odir=`pwd` +cd $dir +sed '1,/^EOF/d' < $odir/$0 > $dir/wire_no_page.c +cc -o mmap6 -Wall -Wextra wire_no_page.c || exit 1 +rm -f wire_no_page.c +cd $odir + +cp /tmp/mmap6 /tmp/mmap6.inputfile +(cd ../testcases/swap; ./swap -t 1m -i 2) & +cp /tmp/mmap6 /tmp/mmap6.inputfile +/tmp/mmap6 /tmp/mmap6.inputfile +while ps auxww | grep -v grep | grep -qw swap; do + killall -9 swap 2>/dev/null + sleep .1 +done +wait +rm -f /tmp/mmap6 /tmp/mmap6.inputfile +exit + +EOF +#include <err.h> +#include <errno.h> +#include <stdlib.h> +#include <sys/fcntl.h> +#include <sys/mman.h> +#include <sys/param.h> +#include <sys/stat.h> +#include <sys/types.h> +#include <sys/wait.h> +#include <unistd.h> + +const char *file; +char c; + +void +rd(void) +{ + struct stat st; + char *p1, *p2; + size_t len; + int error, fd; + + if ((fd = open(file, O_RDONLY)) == -1) + err(1, "open %s", file); + if ((error = fstat(fd, &st)) == -1) + err(1, "stat(%s)", file); + len = round_page(st.st_size); + if ((p1 = mmap(NULL, len, PROT_READ, MAP_SHARED, fd, 0)) == MAP_FAILED) + err(1, "mmap"); + if ((p2 = mmap(NULL, len, PROT_READ, MAP_SHARED, fd, 0)) == MAP_FAILED) + err(1, "mmap"); + c = p1[arc4random() % len]; + c = p2[arc4random() % len]; + if (arc4random() % 100 < 50) + if ((error = mlock(p1, len)) == -1) + err(1, "mlock"); + c = p1[arc4random() % len]; + if (munmap(p2, len) == -1) + err(1, "unmap()"); + if (munmap(p1, len) == -1) + err(1, "unmap()"); + close(fd); + +} +void +wr(void) +{ + struct stat st; + char *p1, *p2; + size_t len; + int error, fd; + + if ((fd = open(file, O_RDWR)) == -1) + err(1, "open %s", file); + if ((error = fstat(fd, &st)) == -1) + err(1, "stat(%s)", file); + len = round_page(st.st_size); + if ((p1 = mmap(NULL, len, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0)) == MAP_FAILED) + err(1, "mmap"); + if ((p2 = mmap(NULL, len, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0)) == MAP_FAILED) + err(1, "mmap"); + p1[arc4random() % len] = 1; + p2[arc4random() % len] = 1; + if (arc4random() % 100 < 50) + if ((error = mlock(p1, len)) == -1) + err(1, "mlock"); + p1[arc4random() % len] = 1; + if (arc4random() % 100 < 50) + if ((error = msync(p1, len, MS_SYNC | MS_INVALIDATE)) == -1) + if (errno != EBUSY) + err(1, "msync"); + if (munmap(p2, len) == -1) + err(1, "unmap()"); + if (munmap(p1, len) == -1) + err(1, "unmap()"); + close(fd); + +} + +void +test2(void) +{ + if (arc4random() % 100 < 30) + rd(); + else + wr(); + _exit(0); +} + +void +test(void) +{ + int i; + + for (i = 0; i < 3; i++) + if (fork() == 0) + test2(); + for (i = 0; i < 3; i++) + wait(NULL); + + _exit(0); +} + +int +main(int argc, char *argv[]) +{ + int i; + + if (argc != 2) + errx(1, "Usage: %s <file>", argv[0]); + file = argv[1]; + + for (i = 0; i < 30000; i++) { + if (fork() == 0) + test(); + wait(NULL); + } + + return (0); +} Added: user/pho/stress2/misc/mmap7.sh ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ user/pho/stress2/misc/mmap7.sh Tue Sep 10 05:59:09 2013 (r255441) @@ -0,0 +1,147 @@ +#!/bin/sh + +# +# Copyright (c) 2013 EMC Corp. +# 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. +# +# $FreeBSD$ +# + +# Test scenario inspired by alc@ +# Threaded version in order to "use the same pmap", as pointed out by kib@ + +dir=/tmp +odir=`pwd` +cd $dir +sed '1,/^EOF/d' < $odir/$0 > $dir/wire_no_page.c +cc -o mmap7 -Wall -Wextra wire_no_page.c -lpthread || exit 1 +rm -f wire_no_page.c +cd $odir + +cp /tmp/mmap7 /tmp/mmap7.inputfile +(cd ../testcases/swap; ./swap -t 1m -i 2) & +cp /tmp/mmap7 /tmp/mmap7.inputfile +/tmp/mmap7 /tmp/mmap7.inputfile +while ps | grep -v grep | grep -qw swap; do + killall -9 swap 2>/dev/null + sleep .1 +done +wait +rm -f /tmp/mmap7 /tmp/mmap7.inputfile +exit + +EOF +#include <err.h> +#include <errno.h> +#include <pthread.h> +#include <stdio.h> +#include <stdlib.h> +#include <sys/fcntl.h> +#include <sys/mman.h> +#include <sys/param.h> +#include <sys/stat.h> +#include <sys/types.h> +#include <sys/wait.h> +#include <unistd.h> + +char *p1, *p2, *p3; +char c; +const char *file; +int fd; +size_t len; +struct stat st; + +void * +test2(void *arg __unused) +{ + int error, i; + + p1[arc4random() % len] = 1; + p2[arc4random() % len] = 1; + + if (arc4random() % 100 < 30) + i = p3[arc4random() % len]; + + if (arc4random() % 100 < 50) + if ((error = mlock(p1, len)) == -1) + err(1, "mlock"); + if (arc4random() % 100 < 50) + if ((error = msync(p1, len, MS_SYNC | MS_INVALIDATE)) == -1) + if (errno != EBUSY) + err(1, "msync"); + return (0); +} + +void +test(void) +{ + int error, i; + pthread_t cp[3]; + + if ((fd = open(file, O_RDWR)) == -1) + err(1, "open %s", file); + if ((error = fstat(fd, &st)) == -1) + err(1, "stat(%s)", file); + len = round_page(st.st_size); + if ((p1 = mmap(NULL, len, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0)) == MAP_FAILED) + err(1, "mmap"); + if ((p2 = mmap(NULL, len, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0)) == MAP_FAILED) + err(1, "mmap"); + if ((p3 = mmap(NULL, len, PROT_READ , MAP_SHARED, fd, 0)) == MAP_FAILED) + err(1, "mmap"); + + for (i = 0; i < 3; i++) + if (pthread_create(&cp[i], NULL, test2, NULL) != 0) + perror("pthread_create"); + for (i = 0; i < 3; i++) + pthread_join(cp[i], NULL); + + if (munmap(p3, len) == -1) + err(1, "unmap()"); + if (munmap(p2, len) == -1) + err(1, "unmap()"); + if (munmap(p1, len) == -1) + err(1, "unmap()"); + close(fd); + + _exit(0); +} + +int +main(int argc, char *argv[]) +{ + int i; + + if (argc != 2) + errx(1, "Usage: %s <file>", argv[0]); + file = argv[1]; + + for (i = 0; i < 30000; i++) { + if (fork() == 0) + test(); + wait(NULL); + } + + return (0); +}
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201309100559.r8A5xABV044731>