168 lines
4.1 KiB
Bash
Executable File
168 lines
4.1 KiB
Bash
Executable File
#!/bin/sh
|
|
|
|
#
|
|
# Copyright (c) 2016 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.
|
|
#
|
|
|
|
# Temp file test scenario.
|
|
# "temp: unlink(file.034434.48): Permission denied" seen.
|
|
|
|
. ../default.cfg
|
|
[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
|
|
|
|
export LANG=C
|
|
dir=/tmp
|
|
odir=`pwd`
|
|
cd $dir
|
|
sed '1,/^EOF/d' < $odir/$0 > $dir/temp.c
|
|
mycc -o temp -Wall -Wextra -O0 -g temp.c || exit 1
|
|
rm -f temp.c
|
|
cd $odir
|
|
|
|
[ -z "$nfs_export" ] && exit 0
|
|
ping -c 2 `echo $nfs_export | sed 's/:.*//'` > /dev/null 2>&1 ||
|
|
exit 0
|
|
|
|
mount | grep "on $mntpoint " | grep -q nfs && umount $mntpoint
|
|
mount -t nfs -o tcp -o retrycnt=3 -o soft -o rw $nfs_export $mntpoint
|
|
mp2=$mntpoint/temp.`jot -rc 8 a z | tr -d '\n'`/temp.dir
|
|
rm -rf $mp2
|
|
mkdir -p $mp2
|
|
chmod 0777 $mp2
|
|
|
|
log=/tmp/temp.log
|
|
/tmp/temp $mp2 2> $log
|
|
s=$?
|
|
#[ $s -eq 0 ] && ministat -C 3 -A < $log
|
|
rm -rf $mp2
|
|
|
|
while mount | grep "on $mntpoint " | grep -q nfs; do
|
|
umount $mntpoint || sleep 1
|
|
done
|
|
rm -rf /tmp/temp $log
|
|
exit $s
|
|
|
|
EOF
|
|
#include <sys/param.h>
|
|
#include <sys/mman.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/wait.h>
|
|
|
|
#include <machine/atomic.h>
|
|
|
|
#include <err.h>
|
|
#include <errno.h>
|
|
#include <fcntl.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <time.h>
|
|
#include <unistd.h>
|
|
|
|
volatile u_int *share;
|
|
|
|
#define SYNC 0
|
|
|
|
#define FILES 1024
|
|
#define PARALLEL 4
|
|
#define RUNTIME (10 * 60)
|
|
|
|
void
|
|
test(char *dir)
|
|
{
|
|
pid_t pid;
|
|
int fd, i;
|
|
char path[1024];
|
|
|
|
atomic_add_int(&share[SYNC], 1);
|
|
while (share[SYNC] != PARALLEL)
|
|
;
|
|
|
|
pid = getpid();
|
|
for (i = 0; i < FILES; i++) {
|
|
snprintf(path, sizeof(path), "%s/file.%06d.%d", dir, pid, i);
|
|
if ((fd = open(path, O_RDWR | O_CREAT | O_TRUNC, 0640)) == -1)
|
|
err(1, "open(%s)", path);
|
|
if (write(fd, path, sizeof(path)) != sizeof(path))
|
|
err(1, "write");
|
|
close(fd);
|
|
if (unlink(path) == -1)
|
|
err(1, "unlink(%s)", path);
|
|
}
|
|
_exit(0);
|
|
}
|
|
|
|
int
|
|
main(int argc, char *argv[])
|
|
{
|
|
size_t len;
|
|
struct timeval start, stop, diff;
|
|
struct tm *tp;
|
|
time_t now, then;
|
|
uint64_t usec;
|
|
int e, i, loop, pids[PARALLEL], status;
|
|
char buf[80];
|
|
|
|
e = 0;
|
|
if (argc != 2) {
|
|
fprintf(stderr, "Usage: %s <path>\n", argv[0]);
|
|
_exit(1);
|
|
}
|
|
len = PAGE_SIZE;
|
|
if ((share = mmap(NULL, len, PROT_READ | PROT_WRITE,
|
|
MAP_ANON | MAP_SHARED, -1, 0)) == MAP_FAILED)
|
|
err(1, "mmap");
|
|
|
|
loop = 0;
|
|
alarm(2 * RUNTIME);
|
|
now = time(NULL);
|
|
while ((time(NULL) - now) < RUNTIME && e == 0) {
|
|
share[SYNC] = 0;
|
|
gettimeofday(&start, NULL);
|
|
for (i = 0; i < PARALLEL; i++) {
|
|
if ((pids[i] = fork()) == 0)
|
|
test(argv[1]);
|
|
}
|
|
for (i = 0; i < PARALLEL; i++) {
|
|
waitpid(pids[i], &status, 0);
|
|
e += status == 0 ? 0 : 1;
|
|
}
|
|
gettimeofday(&stop, NULL);
|
|
timersub(&stop, &start, &diff);
|
|
usec = ((uint64_t)1000000 *
|
|
diff.tv_sec + diff.tv_usec);
|
|
then = time(NULL);
|
|
tp = localtime(&then);
|
|
strftime(buf, sizeof(buf), "%H:%M:%S", tp);
|
|
if (loop != 0) /* Skip warmup */
|
|
fprintf(stderr, "%s %6d %.3f\n",
|
|
buf, loop,
|
|
(double)usec / 1000000);
|
|
loop++;
|
|
sleep(5);
|
|
}
|
|
|
|
return (e);
|
|
}
|