| 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 | } |