-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
+/*
+ * GPL HEADER START
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
*/
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
+#include <sys/time.h>
#include <time.h>
#include <errno.h>
#include <string.h>
#include <fcntl.h>
#include <unistd.h>
#include <stdlib.h>
+#include <getopt.h>
-void usage(char *prog)
+static void usage(char *prog)
{
- printf("usage: %s {-o|-m|-l<tgt>} filenamefmt count\n", prog);
- printf(" %s {-o|-m|-l<tgt>} filenamefmt -seconds\n", prog);
- printf(" %s {-o|-m|-l<tgt>} filenamefmt start count\n", prog);
+ printf("usage: %s {-o|-m|-d|-l<tgt>} [-r altpath ] filenamefmt count\n", prog);
+ printf(" %s {-o|-m|-d|-l<tgt>} [-r altpath ] filenamefmt ] -seconds\n", prog);
+ printf(" %s {-o|-m|-d|-l<tgt>} [-r altpath ] filenamefmt start count\n", prog);
+ exit(EXIT_FAILURE);
}
-int main(int argc, char ** argv)
+static char *get_file_name(const char *fmt, long n, int has_fmt_spec)
{
- int i, rc = 0, do_open = 0, do_link = 0;
- char format[4096], *fmt, *tgt = NULL;
- char filename[4096];
- long start, last, end;
- long begin = 0, count;
+ static char filename[4096];
+ int bytes;
- if (argc < 4 || argc > 5) {
- usage(argv[0]);
- return 1;
+ bytes = has_fmt_spec ? snprintf(filename, 4095, fmt, n) :
+ snprintf(filename, 4095, "%s%ld", fmt, n);
+ if (bytes >= 4095) {
+ printf("file name too long\n");
+ exit(EXIT_FAILURE);
}
+ return filename;
+}
- if (strcmp(argv[1], "-o") == 0) {
- do_open = 1;
- } else if (strncmp(argv[1], "-l", 2) == 0 && argv[1][2]) {
- tgt = argv[1] + 2;
- do_link = 1;
- } else if (strcmp(argv[1], "-m") != 0) {
- usage(argv[0]);
- return 1;
- }
+double now(void)
+{
+ struct timeval tv;
+ gettimeofday(&tv, NULL);
+ return (double)tv.tv_sec + (double)tv.tv_usec / 1000000;
+}
- if (strlen(argv[2]) > 4080) {
- printf("name too long\n");
- return 1;
- }
+int main(int argc, char ** argv)
+{
+ long i;
+ int rc = 0, do_open = 0, do_link = 0, do_mkdir = 0;
+ int do_unlink = 0, do_mknod = 0;
+ char *filename;
+ char *fmt = NULL, *fmt_unlink = NULL, *tgt = NULL;
+ double start, last;
+ long begin = 0, end = ~0UL >> 1, count = ~0UL >> 1;
+ int c, has_fmt_spec = 0, unlink_has_fmt_spec = 0;
- start = last = time(0);
+ /* Handle the last argument in form of "-seconds" */
+ if (argc > 1 && argv[argc - 1][0] == '-') {
+ char *endp;
- if (argc == 4) {
- end = strtol(argv[3], NULL, 0);
- } else {
- begin = strtol(argv[3], NULL, 0);
- end = strtol(argv[4], NULL, 0);
+ argc--;
+ end = strtol(argv[argc] + 1, &endp, 0);
+ if (end <= 0 || *endp != '\0')
+ usage(argv[0]);
+ end = end + time(NULL);
}
- if (end > 0) {
- count = end;
- end = -1UL >> 1;
- } else {
- end = start - end;
- count = -1UL >> 1;
+ while ((c = getopt(argc, argv, "omdl:r:")) != -1) {
+ switch(c) {
+ case 'o':
+ do_open++;
+ break;
+ case 'm':
+ do_mknod++;
+ break;
+ case 'd':
+ do_mkdir++;
+ break;
+ case 'l':
+ do_link++;
+ tgt = optarg;
+ break;
+ case 'r':
+ do_unlink++;
+ fmt_unlink = optarg;
+ break;
+ case '?':
+ printf("Unknown option '%c'\n", optopt);
+ usage(argv[0]);
+ }
}
- if (strchr(argv[2], '%'))
- fmt = argv[2];
- else {
- sprintf(format, "%s%%d", argv[2]);
- fmt = format;
+ if (do_open + do_mkdir + do_link + do_mknod != 1 ||
+ do_unlink > 1)
+ usage(argv[0]);
+
+ switch (argc - optind) {
+ case 3:
+ begin = strtol(argv[argc - 2], NULL, 0);
+ case 2:
+ count = strtol(argv[argc - 1], NULL, 0);
+ if (end != ~0UL >> 1)
+ usage(argv[0]);
+ case 1:
+ fmt = argv[optind];
+ break;
+ default:
+ usage(argv[0]);
}
- for (i = 0; i < count && time(0) < end; i++, begin++) {
- sprintf(filename, fmt, begin);
+
+ start = last = now();
+
+ has_fmt_spec = strchr(fmt, '%') != NULL;
+ if (do_unlink)
+ unlink_has_fmt_spec = strchr(fmt_unlink, '%') != NULL;
+
+ for (i = 0; i < count && time(NULL) < end; i++, begin++) {
+ filename = get_file_name(fmt, begin, has_fmt_spec);
if (do_open) {
int fd = open(filename, O_CREAT|O_RDWR, 0644);
if (fd < 0) {
break;
}
close(fd);
- } else if (do_link) {
+ } else if (do_link) {
rc = link(tgt, filename);
if (rc) {
printf("link(%s, %s) error: %s\n",
- tgt, filename, strerror(errno));
+ tgt, filename, strerror(errno));
+ rc = errno;
+ break;
+ }
+ } else if (do_mkdir) {
+ rc = mkdir(filename, 0755);
+ if (rc) {
+ printf("mkdir(%s) error: %s\n",
+ filename, strerror(errno));
rc = errno;
break;
}
break;
}
}
- if ((i % 10000) == 0) {
- printf(" - created %d (time %ld total %ld last %ld)\n",
- i, time(0), time(0) - start, time(0) - last);
- last = time(0);
+ if (do_unlink) {
+ filename = get_file_name(fmt_unlink, begin,
+ unlink_has_fmt_spec);
+ rc = do_mkdir ? rmdir(filename) : unlink(filename);
+ if (rc) {
+ printf("unlink(%s) error: %s\n",
+ filename, strerror(errno));
+ rc = errno;
+ break;
+ }
+ }
+
+ if (i && (i % 10000) == 0) {
+ printf(" - created %ld (time %.2f total %.2f last %.2f)"
+ "\n", i, now(), now() - start, now() - last);
+ last = now();
}
}
- printf("total: %d creates in %ld seconds: %f creates/second\n", i,
- time(0) - start, ((float)i / (time(0) - start)));
+ printf("total: %ld creates%s in %.2f seconds: %.2f creates/second\n", i,
+ do_unlink ? "/deletions" : "",
+ now() - start, ((double)i / (now() - start)));
return rc;
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff