Merge branch 'zbd-build' of https://github.com/vincentkfu/fio
[fio.git] / fio.c
... / ...
CommitLineData
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
22 *
23 */
24#include "fio.h"
25
26int main(int argc, char *argv[], char *envp[])
27{
28 int ret = 1;
29
30 compiletime_assert(TD_NR <= TD_ENG_FLAG_SHIFT, "TD_ENG_FLAG_SHIFT");
31
32 if (initialize_fio(envp))
33 return 1;
34
35#if !defined(CONFIG_GETTIMEOFDAY) && !defined(CONFIG_CLOCK_GETTIME)
36#error "No available clock source!"
37#endif
38
39 if (fio_server_create_sk_key())
40 goto done;
41
42 if (parse_options(argc, argv))
43 goto done_key;
44
45 /*
46 * line buffer stdout to avoid output lines from multiple
47 * threads getting mixed
48 */
49 setvbuf(stdout, NULL, _IOLBF, 0);
50
51 fio_time_init();
52
53 if (nr_clients) {
54 set_genesis_time();
55
56 if (fio_start_all_clients())
57 goto done_key;
58 ret = fio_handle_clients(&fio_client_ops);
59 } else
60 ret = fio_backend(NULL);
61
62done_key:
63 fio_server_destroy_sk_key();
64done:
65 deinitialize_fio();
66 return ret;
67}