projects / fio.git / blame
| Commit | Line | Data |
|---|---|---|
| ebac4655 JA |
1 | /* |
| 2 | * fio - the flexible io tester | |
| 3 | * | |
| 4 | * Copyright (C) 2005 Jens Axboe <axboe@suse.de> | |
| 2e1df07d | 5 | * Copyright (C) 2006-2012 Jens Axboe <axboe@kernel.dk> |
| ebac4655 | 6 | * |
| 8e9fe637 JA |
7 | * The license below covers all files distributed with fio unless otherwise |
| 8 | * noted in the file itself. | |
| 9 | * | |
| ebac4655 | 10 | * This program is free software; you can redistribute it and/or modify |
| 8e9fe637 JA |
11 | * it under the terms of the GNU General Public License version 2 as |
| 12 | * published by the Free Software Foundation. | |
| ebac4655 JA |
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 | */ | |
| ebac4655 | 24 | #include <unistd.h> |
| dbe1125e | 25 | #include <locale.h> |
| a5b01f1b | 26 | #include <time.h> |
| ebac4655 JA |
27 | |
| 28 | #include "fio.h" | |
| 210f43b3 | 29 | #include "hash.h" |
| 2e5cdb11 | 30 | #include "smalloc.h" |
| 4f5af7b2 | 31 | #include "verify.h" |
| a917a8b3 | 32 | #include "trim.h" |
| 7c9b1bce | 33 | #include "diskutil.h" |
| 07b3232d | 34 | #include "profile.h" |
| d54a144d | 35 | #include "lib/rand.h" |
| 91aea6ec | 36 | #include "memalign.h" |
| 009b1be4 | 37 | #include "server.h" |
| ebac4655 | 38 | |
| 7078106d BC |
39 | uintptr_t page_mask; |
| 40 | uintptr_t page_size; | |
| d529ee19 | 41 | |
| 0ad5edcc JA |
42 | static int endian_check(void) |
| 43 | { | |
| 44 | union { | |
| 45 | uint8_t c[8]; | |
| 46 | uint64_t v; | |
| 47 | } u; | |
| 48 | int le = 0, be = 0; | |
| 49 | ||
| 50 | u.v = 0x12; | |
| 51 | if (u.c[7] == 0x12) | |
| 52 | be = 1; | |
| 53 | else if (u.c[0] == 0x12) | |
| 54 | le = 1; | |
| 55 | ||
| 56 | #if defined(FIO_LITTLE_ENDIAN) | |
| 57 | if (be) | |
| 58 | return 1; | |
| 59 | #elif defined(FIO_BIG_ENDIAN) | |
| 60 | if (le) | |
| 61 | return 1; | |
| 62 | #else | |
| 63 | return 1; | |
| 64 | #endif | |
| 65 | ||
| 66 | if (!le && !be) | |
| 67 | return 1; | |
| 68 | ||
| 69 | return 0; | |
| 70 | } | |
| 71 | ||
| 50d16976 JA |
72 | int main(int argc, char *argv[], char *envp[]) |
| 73 | { | |
| 74 | long ps; | |
| 75 | ||
| 0ad5edcc JA |
76 | if (endian_check()) { |
| 77 | log_err("fio: endianness settings appear wrong.\n"); | |
| 78 | log_err("fio: please report this to fio@vger.kernel.org\n"); | |
| 79 | return 1; | |
| 80 | } | |
| 81 | ||
| 50d16976 JA |
82 | arch_init(envp); |
| 83 | ||
| 84 | sinit(); | |
| 85 | ||
| 86 | /* | |
| 87 | * We need locale for number printing, if it isn't set then just | |
| 88 | * go with the US format. | |
| 89 | */ | |
| 90 | if (!getenv("LC_NUMERIC")) | |
| 91 | setlocale(LC_NUMERIC, "en_US"); | |
| 92 | ||
| 93 | ps = sysconf(_SC_PAGESIZE); | |
| 94 | if (ps < 0) { | |
| 95 | log_err("Failed to get page size\n"); | |
| 96 | return 1; | |
| 97 | } | |
| 98 | ||
| 99 | page_size = ps; | |
| 100 | page_mask = ps - 1; | |
| 101 | ||
| 102 | fio_keywords_init(); | |
| 103 | ||
| 104 | if (parse_options(argc, argv)) | |
| 105 | return 1; | |
| 106 | ||
| 2e1df07d JA |
107 | if (nr_clients) |
| 108 | return fio_handle_clients(); | |
| 109 | else | |
| 110 | return fio_backend(); | |
| 50d16976 | 111 | } |