1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
6 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 only,
10 * as published by the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License version 2 for more details (a copy is included
16 * in the LICENSE file that accompanied this code).
18 * You should have received a copy of the GNU General Public License
19 * version 2 along with this program; If not, see
20 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
22 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
23 * CA 95054 USA or visit www.sun.com if you need additional information or
29 * Copyright 2008 Sun Microsystems, Inc. All rights reserved
30 * Use is subject to license terms.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
38 #include <sys/types.h>
47 void usage(char *prog)
49 printf("usage: %s {-o|-m|-d|-l<tgt>} filenamefmt count\n", prog);
50 printf(" %s {-o|-m|-d|-l<tgt>} filenamefmt -seconds\n", prog);
51 printf(" %s {-o|-m|-d|-l<tgt>} filenamefmt start count\n", prog);
54 int main(int argc, char ** argv)
56 int i, rc = 0, do_open = 0, do_link = 0, do_mkdir = 0;
57 char format[4096], *fmt, *tgt = NULL;
59 long start, last, end;
60 long begin = 0, count;
62 if (argc < 4 || argc > 5) {
67 if (strcmp(argv[1], "-d") == 0) {
69 } else if (strcmp(argv[1], "-o") == 0) {
71 } else if (strncmp(argv[1], "-l", 2) == 0 && argv[1][2]) {
74 } else if (strcmp(argv[1], "-m") != 0) {
79 if (strlen(argv[2]) > 4080) {
80 printf("name too long\n");
84 start = last = time(0);
87 end = strtol(argv[3], NULL, 0);
89 begin = strtol(argv[3], NULL, 0);
90 end = strtol(argv[4], NULL, 0);
101 if (strchr(argv[2], '%'))
104 sprintf(format, "%s%%d", argv[2]);
107 for (i = 0; i < count && time(0) < end; i++, begin++) {
108 sprintf(filename, fmt, begin);
110 int fd = open(filename, O_CREAT|O_RDWR, 0644);
112 printf("open(%s) error: %s\n", filename,
118 } else if (do_link) {
119 rc = link(tgt, filename);
121 printf("link(%s, %s) error: %s\n",
122 tgt, filename, strerror(errno));
126 } else if (do_mkdir) {
127 rc = mkdir(filename, 0755);
129 printf("mkdir(%s) error: %s\n",
130 filename, strerror(errno));
135 rc = mknod(filename, S_IFREG| 0444, 0);
137 printf("mknod(%s) error: %s\n",
138 filename, strerror(errno));
143 if ((i % 10000) == 0) {
144 printf(" - created %d (time %ld total %ld last %ld)\n",
145 i, time(0), time(0) - start, time(0) - last);
149 printf("total: %d creates in %ld seconds: %f creates/second\n", i,
150 time(0) - start, ((float)i / (time(0) - start)));