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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
42 static int endian_check(void)
53 else if (u.c[0] == 0x12)
56 #if defined(CONFIG_LITTLE_ENDIAN)
59 #elif defined(CONFIG_BIG_ENDIAN)
72 int main(int argc, char *argv[], char *envp[])
77 log_err("fio: endianness settings appear wrong.\n");
78 log_err("fio: please report this to fio@vger.kernel.org\n");
82 #if !defined(CONFIG_GETTIMEOFDAY) && !defined(CONFIG_CLOCK_GETTIME)
83 #error "No available clock source!"
91 * We need locale for number printing, if it isn't set then just
92 * go with the US format.
94 if (!getenv("LC_NUMERIC"))
95 setlocale(LC_NUMERIC, "en_US");
97 ps = sysconf(_SC_PAGESIZE);
99 log_err("Failed to get page size\n");
108 if (parse_options(argc, argv))
114 return fio_handle_clients();
116 return fio_backend();