2 * fio - the flexible io tester
4 * Copyright (C) 2005 Jens Axboe <axboe@suse.de>
5 * Copyright (C) 2006-2012 Jens Axboe <axboe@kernel.dk>
7 * The license below covers all files distributed with fio unless otherwise
8 * noted in the file itself.
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.
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.
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.
26 int main(int argc, char *argv[], char *envp[])
30 compiletime_assert(TD_NR <= TD_ENG_FLAG_SHIFT, "TD_ENG_FLAG_SHIFT");
32 if (initialize_fio(envp))
35 #if !defined(CONFIG_GETTIMEOFDAY) && !defined(CONFIG_CLOCK_GETTIME)
36 #error "No available clock source!"
39 if (fio_server_create_sk_key())
42 if (parse_options(argc, argv))
46 * line buffer stdout to avoid output lines from multiple
47 * threads getting mixed
49 setvbuf(stdout, NULL, _IOLBF, 0);
56 if (fio_start_all_clients())
58 ret = fio_handle_clients(&fio_client_ops);
60 ret = fio_backend(NULL);
63 fio_server_destroy_sk_key();