1 /*
2 * fio - the flexible io tester
3 *
4 * Copyright (C) 2005 Jens Axboe <axboe@suse.de>
5 * Copyright (C) 2006-2012 Jens Axboe <axboe@kernel.dk>
6 *
7 * The license below covers all files distributed with fio unless otherwise
8 * noted in the file itself.
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 *
23 */
24 #include <unistd.h>
25 #include <locale.h>
26 #include <time.h>
27
28 #include "fio.h"
29 #include "smalloc.h"
30
main(int argc,char * argv[],char * envp[])31 int main(int argc, char *argv[], char *envp[])
32 {
33 int ret = 1;
34
35 compiletime_assert(TD_NR <= TD_ENG_FLAG_SHIFT, "TD_ENG_FLAG_SHIFT");
36
37 if (initialize_fio(envp))
38 return 1;
39
40 #if !defined(CONFIG_GETTIMEOFDAY) && !defined(CONFIG_CLOCK_GETTIME)
41 #error "No available clock source!"
42 #endif
43
44 if (fio_server_create_sk_key())
45 goto done;
46
47 if (parse_options(argc, argv))
48 goto done_key;
49
50 /*
51 * line buffer stdout to avoid output lines from multiple
52 * threads getting mixed
53 */
54 setvbuf(stdout, NULL, _IOLBF, 0);
55
56 fio_time_init();
57
58 if (nr_clients) {
59 set_genesis_time();
60
61 if (fio_start_all_clients())
62 goto done_key;
63 ret = fio_handle_clients(&fio_client_ops);
64 } else
65 ret = fio_backend(NULL);
66
67 done_key:
68 fio_server_destroy_sk_key();
69 done:
70 deinitialize_fio();
71 return ret;
72 }
73