svn commit: r255441 - user/pho/stress2/misc
Peter Holm
pho at FreeBSD.org
Tue Sep 10 05:59:10 UTC 2013
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);
+}
More information about the svn-src-user
mailing list