[fio.git] / fio.c

/*
 * fio - the flexible io tester
 *
 * Copyright (C) 2005 Jens Axboe <axboe@suse.de>
 * Copyright (C) 2006-2012 Jens Axboe <axboe@kernel.dk>
 *
 * The license below covers all files distributed with fio unless otherwise
 * noted in the file itself.
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License version 2 as
 *  published by the Free Software Foundation.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */
#include <unistd.h>
#include <locale.h>
#include <time.h>

#include "fio.h"
#include "smalloc.h"

int main(int argc, char *argv[], char *envp[])
{
	int ret = 1;

	compiletime_assert(TD_NR <= TD_ENG_FLAG_SHIFT, "TD_ENG_FLAG_SHIFT");

	if (initialize_fio(envp))
		return 1;

#if !defined(CONFIG_GETTIMEOFDAY) && !defined(CONFIG_CLOCK_GETTIME)
#error "No available clock source!"
#endif

	if (fio_server_create_sk_key())
		goto done;

	if (parse_options(argc, argv))
		goto done_key;

	/*
	 * line buffer stdout to avoid output lines from multiple
	 * threads getting mixed
	 */
	setvbuf(stdout, NULL, _IOLBF, 0);

	fio_time_init();

	if (nr_clients) {
		set_genesis_time();

		if (fio_start_all_clients())
			goto done_key;
		ret = fio_handle_clients(&fio_client_ops);
	} else
		ret = fio_backend(NULL);

done_key:
	fio_server_destroy_sk_key();
done:
	deinitialize_fio();
	return ret;
}
Commit	Line	Data
	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
	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	}