Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 1 | /* |
Jens Axboe | cb2c86f | 2006-10-26 13:48:34 +0200 | [diff] [blame] | 2 | * This file contains job initialization and setup functions. |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 3 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 4 | #include <stdio.h> |
| 5 | #include <stdlib.h> |
| 6 | #include <unistd.h> |
| 7 | #include <fcntl.h> |
| 8 | #include <ctype.h> |
| 9 | #include <string.h> |
| 10 | #include <errno.h> |
Jens Axboe | b469282 | 2006-10-27 13:43:22 +0200 | [diff] [blame] | 11 | #include <getopt.h> |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 12 | #include <sys/ipc.h> |
| 13 | #include <sys/shm.h> |
| 14 | #include <sys/types.h> |
| 15 | #include <sys/stat.h> |
| 16 | |
| 17 | #include "fio.h" |
Jens Axboe | cb2c86f | 2006-10-26 13:48:34 +0200 | [diff] [blame] | 18 | #include "parse.h" |
Jens Axboe | 2e5cdb1 | 2008-03-01 18:52:49 +0100 | [diff] [blame] | 19 | #include "smalloc.h" |
Jens Axboe | 380065a | 2008-03-01 18:56:24 +0100 | [diff] [blame] | 20 | #include "filehash.h" |
Jens Axboe | 4f5af7b | 2009-06-03 08:45:40 +0200 | [diff] [blame] | 21 | #include "verify.h" |
Jens Axboe | 79d1631 | 2010-03-04 12:43:20 +0100 | [diff] [blame] | 22 | #include "profile.h" |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 23 | |
Jens Axboe | d3e829b | 2010-02-22 19:58:41 +0100 | [diff] [blame] | 24 | static char fio_version_string[] = "fio 1.37"; |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 25 | |
Jens Axboe | ee73849 | 2007-01-10 11:23:16 +0100 | [diff] [blame] | 26 | #define FIO_RANDSEED (0xb1899bedUL) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 27 | |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 28 | static char **ini_file; |
| 29 | static int max_jobs = MAX_JOBS; |
Jens Axboe | cca73aa | 2007-04-04 11:09:19 +0200 | [diff] [blame] | 30 | static int dump_cmdline; |
Jens Axboe | e1f3650 | 2006-10-27 10:54:08 +0200 | [diff] [blame] | 31 | |
Jens Axboe | be4ecfd | 2008-12-08 14:10:52 +0100 | [diff] [blame] | 32 | static struct thread_data def_thread; |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 33 | struct thread_data *threads = NULL; |
Jens Axboe | e1f3650 | 2006-10-27 10:54:08 +0200 | [diff] [blame] | 34 | |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 35 | int exitall_on_terminate = 0; |
| 36 | int terse_output = 0; |
Aaron Carroll | e592a06 | 2007-09-14 09:49:41 +0200 | [diff] [blame] | 37 | int eta_print; |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 38 | unsigned long long mlock_size = 0; |
| 39 | FILE *f_out = NULL; |
| 40 | FILE *f_err = NULL; |
Jens Axboe | 01f06b6 | 2008-02-18 20:53:47 +0100 | [diff] [blame] | 41 | char *job_section = NULL; |
Jens Axboe | 07b3232 | 2010-03-05 09:48:44 +0100 | [diff] [blame] | 42 | char *exec_profile = NULL; |
Jens Axboe | ee73849 | 2007-01-10 11:23:16 +0100 | [diff] [blame] | 43 | |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 44 | int write_bw_log = 0; |
Jens Axboe | 4241ea8 | 2007-09-12 08:18:36 +0200 | [diff] [blame] | 45 | int read_only = 0; |
Jens Axboe | e1f3650 | 2006-10-27 10:54:08 +0200 | [diff] [blame] | 46 | |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 47 | static int def_timeout; |
| 48 | static int write_lat_log; |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 49 | |
| 50 | static int prev_group_jobs; |
Jens Axboe | b469282 | 2006-10-27 13:43:22 +0200 | [diff] [blame] | 51 | |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 52 | unsigned long fio_debug = 0; |
Jens Axboe | 5e1d306 | 2008-05-23 11:55:53 +0200 | [diff] [blame] | 53 | unsigned int fio_debug_jobno = -1; |
| 54 | unsigned int *fio_debug_jobp = NULL; |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 55 | |
Jens Axboe | b469282 | 2006-10-27 13:43:22 +0200 | [diff] [blame] | 56 | /* |
| 57 | * Command line options. These will contain the above, plus a few |
| 58 | * extra that only pertain to fio itself and not jobs. |
| 59 | */ |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 60 | static struct option l_opts[FIO_NR_OPTIONS] = { |
Jens Axboe | b469282 | 2006-10-27 13:43:22 +0200 | [diff] [blame] | 61 | { |
| 62 | .name = "output", |
| 63 | .has_arg = required_argument, |
| 64 | .val = 'o', |
| 65 | }, |
| 66 | { |
| 67 | .name = "timeout", |
| 68 | .has_arg = required_argument, |
| 69 | .val = 't', |
| 70 | }, |
| 71 | { |
| 72 | .name = "latency-log", |
| 73 | .has_arg = required_argument, |
| 74 | .val = 'l', |
| 75 | }, |
| 76 | { |
| 77 | .name = "bandwidth-log", |
| 78 | .has_arg = required_argument, |
| 79 | .val = 'b', |
| 80 | }, |
| 81 | { |
| 82 | .name = "minimal", |
| 83 | .has_arg = optional_argument, |
| 84 | .val = 'm', |
| 85 | }, |
| 86 | { |
| 87 | .name = "version", |
| 88 | .has_arg = no_argument, |
| 89 | .val = 'v', |
| 90 | }, |
| 91 | { |
Jens Axboe | fd28ca4 | 2007-01-09 21:20:13 +0100 | [diff] [blame] | 92 | .name = "help", |
| 93 | .has_arg = no_argument, |
| 94 | .val = 'h', |
| 95 | }, |
| 96 | { |
| 97 | .name = "cmdhelp", |
Jens Axboe | 320beef | 2007-03-01 10:44:12 +0100 | [diff] [blame] | 98 | .has_arg = optional_argument, |
Jens Axboe | fd28ca4 | 2007-01-09 21:20:13 +0100 | [diff] [blame] | 99 | .val = 'c', |
| 100 | }, |
| 101 | { |
Jens Axboe | cca73aa | 2007-04-04 11:09:19 +0200 | [diff] [blame] | 102 | .name = "showcmd", |
| 103 | .has_arg = no_argument, |
Jens Axboe | 724e443 | 2007-09-11 20:02:05 +0200 | [diff] [blame] | 104 | .val = 's', |
| 105 | }, |
| 106 | { |
| 107 | .name = "readonly", |
| 108 | .has_arg = no_argument, |
| 109 | .val = 'r', |
Jens Axboe | cca73aa | 2007-04-04 11:09:19 +0200 | [diff] [blame] | 110 | }, |
| 111 | { |
Aaron Carroll | e592a06 | 2007-09-14 09:49:41 +0200 | [diff] [blame] | 112 | .name = "eta", |
| 113 | .has_arg = required_argument, |
| 114 | .val = 'e', |
| 115 | }, |
| 116 | { |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 117 | .name = "debug", |
| 118 | .has_arg = required_argument, |
| 119 | .val = 'd', |
| 120 | }, |
| 121 | { |
Jens Axboe | 01f06b6 | 2008-02-18 20:53:47 +0100 | [diff] [blame] | 122 | .name = "section", |
| 123 | .has_arg = required_argument, |
| 124 | .val = 'x', |
| 125 | }, |
| 126 | { |
Jens Axboe | 2b386d2 | 2008-03-26 10:32:57 +0100 | [diff] [blame] | 127 | .name = "alloc-size", |
| 128 | .has_arg = required_argument, |
| 129 | .val = 'a', |
| 130 | }, |
| 131 | { |
Jens Axboe | 9ac8a79 | 2009-11-13 21:23:07 +0100 | [diff] [blame] | 132 | .name = "profile", |
| 133 | .has_arg = required_argument, |
| 134 | .val = 'p', |
| 135 | }, |
| 136 | { |
Jens Axboe | b469282 | 2006-10-27 13:43:22 +0200 | [diff] [blame] | 137 | .name = NULL, |
| 138 | }, |
| 139 | }; |
| 140 | |
Joel Becker | 9728ce3 | 2007-03-01 08:24:39 +0100 | [diff] [blame] | 141 | FILE *get_f_out() |
| 142 | { |
| 143 | return f_out; |
| 144 | } |
| 145 | |
| 146 | FILE *get_f_err() |
| 147 | { |
| 148 | return f_err; |
| 149 | } |
| 150 | |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 151 | /* |
| 152 | * Return a free job structure. |
| 153 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 154 | static struct thread_data *get_new_job(int global, struct thread_data *parent) |
| 155 | { |
| 156 | struct thread_data *td; |
| 157 | |
| 158 | if (global) |
| 159 | return &def_thread; |
| 160 | if (thread_number >= max_jobs) |
| 161 | return NULL; |
| 162 | |
| 163 | td = &threads[thread_number++]; |
Jens Axboe | ddaeaa5 | 2006-06-08 11:00:58 +0200 | [diff] [blame] | 164 | *td = *parent; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 165 | |
Jens Axboe | e0b0d89 | 2009-12-08 10:10:14 +0100 | [diff] [blame] | 166 | td->o.uid = td->o.gid = -1U; |
| 167 | |
Jens Axboe | cade3ef | 2007-03-23 15:29:45 +0100 | [diff] [blame] | 168 | dup_files(td, parent); |
Jens Axboe | d23bb32 | 2007-03-23 15:57:56 +0100 | [diff] [blame] | 169 | options_mem_dupe(td); |
Jens Axboe | cade3ef | 2007-03-23 15:29:45 +0100 | [diff] [blame] | 170 | |
Jens Axboe | 15dc193 | 2010-03-05 10:59:06 +0100 | [diff] [blame] | 171 | profile_add_hooks(td); |
| 172 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 173 | td->thread_number = thread_number; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 174 | return td; |
| 175 | } |
| 176 | |
| 177 | static void put_job(struct thread_data *td) |
| 178 | { |
Jens Axboe | 549577a | 2006-10-30 12:23:41 +0100 | [diff] [blame] | 179 | if (td == &def_thread) |
| 180 | return; |
Jens Axboe | 58c55ba | 2010-03-09 12:20:08 +0100 | [diff] [blame] | 181 | |
| 182 | profile_td_exit(td); |
Jens Axboe | 549577a | 2006-10-30 12:23:41 +0100 | [diff] [blame] | 183 | |
Jens Axboe | 16edf25 | 2007-02-10 14:59:22 +0100 | [diff] [blame] | 184 | if (td->error) |
Jens Axboe | 6d86144 | 2007-03-15 09:22:23 +0100 | [diff] [blame] | 185 | log_info("fio: %s\n", td->verror); |
Jens Axboe | 16edf25 | 2007-02-10 14:59:22 +0100 | [diff] [blame] | 186 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 187 | memset(&threads[td->thread_number - 1], 0, sizeof(*td)); |
| 188 | thread_number--; |
| 189 | } |
| 190 | |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 191 | static int __setup_rate(struct thread_data *td, enum fio_ddir ddir) |
Jens Axboe | 127f686 | 2007-03-15 12:09:57 +0100 | [diff] [blame] | 192 | { |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 193 | unsigned int bs = td->o.min_bs[ddir]; |
Radha Ramachandran | ba3e4e0 | 2009-12-09 22:31:44 +0100 | [diff] [blame] | 194 | unsigned long long bytes_per_sec; |
Jens Axboe | 127f686 | 2007-03-15 12:09:57 +0100 | [diff] [blame] | 195 | |
Radha Ramachandran | ba3e4e0 | 2009-12-09 22:31:44 +0100 | [diff] [blame] | 196 | if (td->o.rate[ddir]) |
| 197 | bytes_per_sec = td->o.rate[ddir]; |
| 198 | else |
| 199 | bytes_per_sec = td->o.rate_iops[ddir] * bs; |
Jens Axboe | 127f686 | 2007-03-15 12:09:57 +0100 | [diff] [blame] | 200 | |
Radha Ramachandran | ba3e4e0 | 2009-12-09 22:31:44 +0100 | [diff] [blame] | 201 | if (!bytes_per_sec) { |
Jens Axboe | 127f686 | 2007-03-15 12:09:57 +0100 | [diff] [blame] | 202 | log_err("rate lower than supported\n"); |
| 203 | return -1; |
| 204 | } |
| 205 | |
Radha Ramachandran | ba3e4e0 | 2009-12-09 22:31:44 +0100 | [diff] [blame] | 206 | td->rate_nsec_cycle[ddir] = 1000000000ULL / bytes_per_sec; |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 207 | td->rate_pending_usleep[ddir] = 0; |
Jens Axboe | 127f686 | 2007-03-15 12:09:57 +0100 | [diff] [blame] | 208 | return 0; |
| 209 | } |
| 210 | |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 211 | static int setup_rate(struct thread_data *td) |
| 212 | { |
| 213 | int ret = 0; |
| 214 | |
| 215 | if (td->o.rate[DDIR_READ] || td->o.rate_iops[DDIR_READ]) |
| 216 | ret = __setup_rate(td, DDIR_READ); |
| 217 | if (td->o.rate[DDIR_WRITE] || td->o.rate_iops[DDIR_WRITE]) |
| 218 | ret |= __setup_rate(td, DDIR_WRITE); |
| 219 | |
| 220 | return ret; |
| 221 | } |
| 222 | |
Jens Axboe | 8347239 | 2009-02-19 21:32:12 +0100 | [diff] [blame] | 223 | static int fixed_block_size(struct thread_options *o) |
| 224 | { |
| 225 | return o->min_bs[DDIR_READ] == o->max_bs[DDIR_READ] && |
| 226 | o->min_bs[DDIR_WRITE] == o->max_bs[DDIR_WRITE] && |
| 227 | o->min_bs[DDIR_READ] == o->min_bs[DDIR_WRITE]; |
| 228 | } |
| 229 | |
Jens Axboe | dad915e | 2006-10-27 11:10:18 +0200 | [diff] [blame] | 230 | /* |
| 231 | * Lazy way of fixing up options that depend on each other. We could also |
| 232 | * define option callback handlers, but this is easier. |
| 233 | */ |
Jens Axboe | 4e991c2 | 2007-03-15 11:41:11 +0100 | [diff] [blame] | 234 | static int fixup_options(struct thread_data *td) |
Jens Axboe | e1f3650 | 2006-10-27 10:54:08 +0200 | [diff] [blame] | 235 | { |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 236 | struct thread_options *o = &td->o; |
Jens Axboe | dad915e | 2006-10-27 11:10:18 +0200 | [diff] [blame] | 237 | |
Jens Axboe | f356d01 | 2009-01-05 09:56:29 +0100 | [diff] [blame] | 238 | #ifndef FIO_HAVE_PSHARED_MUTEX |
Jens Axboe | 9bbf57c | 2010-03-18 20:45:43 +0100 | [diff] [blame] | 239 | if (!o->use_thread) { |
Jens Axboe | f356d01 | 2009-01-05 09:56:29 +0100 | [diff] [blame] | 240 | log_info("fio: this platform does not support process shared" |
| 241 | " mutexes, forcing use of threads. Use the 'thread'" |
| 242 | " option to get rid of this warning.\n"); |
Jens Axboe | 9bbf57c | 2010-03-18 20:45:43 +0100 | [diff] [blame] | 243 | o->use_thread = 1; |
Jens Axboe | f356d01 | 2009-01-05 09:56:29 +0100 | [diff] [blame] | 244 | } |
| 245 | #endif |
| 246 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 247 | if (o->write_iolog_file && o->read_iolog_file) { |
Jens Axboe | 076efc7 | 2006-10-27 11:24:25 +0200 | [diff] [blame] | 248 | log_err("fio: read iolog overrides write_iolog\n"); |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 249 | free(o->write_iolog_file); |
| 250 | o->write_iolog_file = NULL; |
Jens Axboe | 076efc7 | 2006-10-27 11:24:25 +0200 | [diff] [blame] | 251 | } |
Jens Axboe | 16b462a | 2006-10-30 12:35:18 +0100 | [diff] [blame] | 252 | |
Jens Axboe | 16b462a | 2006-10-30 12:35:18 +0100 | [diff] [blame] | 253 | /* |
| 254 | * only really works for sequential io for now, and with 1 file |
| 255 | */ |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 256 | if (o->zone_size && td_random(td) && o->open_files == 1) |
| 257 | o->zone_size = 0; |
Jens Axboe | 16b462a | 2006-10-30 12:35:18 +0100 | [diff] [blame] | 258 | |
| 259 | /* |
| 260 | * Reads can do overwrites, we always need to pre-create the file |
| 261 | */ |
| 262 | if (td_read(td) || td_rw(td)) |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 263 | o->overwrite = 1; |
Jens Axboe | 16b462a | 2006-10-30 12:35:18 +0100 | [diff] [blame] | 264 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 265 | if (!o->min_bs[DDIR_READ]) |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 266 | o->min_bs[DDIR_READ] = o->bs[DDIR_READ]; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 267 | if (!o->max_bs[DDIR_READ]) |
| 268 | o->max_bs[DDIR_READ] = o->bs[DDIR_READ]; |
| 269 | if (!o->min_bs[DDIR_WRITE]) |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 270 | o->min_bs[DDIR_WRITE] = o->bs[DDIR_WRITE]; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 271 | if (!o->max_bs[DDIR_WRITE]) |
| 272 | o->max_bs[DDIR_WRITE] = o->bs[DDIR_WRITE]; |
Jens Axboe | a00735e | 2006-11-03 08:58:08 +0100 | [diff] [blame] | 273 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 274 | o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]); |
Jens Axboe | a00735e | 2006-11-03 08:58:08 +0100 | [diff] [blame] | 275 | |
Jens Axboe | 2b7a01d | 2009-03-11 11:00:13 +0100 | [diff] [blame] | 276 | /* |
| 277 | * For random IO, allow blockalign offset other than min_bs. |
| 278 | */ |
| 279 | if (!o->ba[DDIR_READ] || !td_random(td)) |
| 280 | o->ba[DDIR_READ] = o->min_bs[DDIR_READ]; |
| 281 | if (!o->ba[DDIR_WRITE] || !td_random(td)) |
| 282 | o->ba[DDIR_WRITE] = o->min_bs[DDIR_WRITE]; |
| 283 | |
| 284 | if ((o->ba[DDIR_READ] != o->min_bs[DDIR_READ] || |
| 285 | o->ba[DDIR_WRITE] != o->min_bs[DDIR_WRITE]) && |
Jens Axboe | 9bbf57c | 2010-03-18 20:45:43 +0100 | [diff] [blame] | 286 | !o->norandommap) { |
Jens Axboe | 2b7a01d | 2009-03-11 11:00:13 +0100 | [diff] [blame] | 287 | log_err("fio: Any use of blockalign= turns off randommap\n"); |
Jens Axboe | 9bbf57c | 2010-03-18 20:45:43 +0100 | [diff] [blame] | 288 | o->norandommap = 1; |
Jens Axboe | 2b7a01d | 2009-03-11 11:00:13 +0100 | [diff] [blame] | 289 | } |
| 290 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 291 | if (!o->file_size_high) |
| 292 | o->file_size_high = o->file_size_low; |
Jens Axboe | 9c60ce6 | 2007-03-15 09:14:47 +0100 | [diff] [blame] | 293 | |
Jens Axboe | 8347239 | 2009-02-19 21:32:12 +0100 | [diff] [blame] | 294 | if (o->norandommap && o->verify != VERIFY_NONE |
| 295 | && !fixed_block_size(o)) { |
| 296 | log_err("fio: norandommap given for variable block sizes, " |
| 297 | "verify disabled\n"); |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 298 | o->verify = VERIFY_NONE; |
Jens Axboe | bb8895e | 2006-10-30 15:14:48 +0100 | [diff] [blame] | 299 | } |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 300 | if (o->bs_unaligned && (o->odirect || td->io_ops->flags & FIO_RAWIO)) |
Jens Axboe | 690adba | 2006-10-30 15:25:09 +0100 | [diff] [blame] | 301 | log_err("fio: bs_unaligned may not work with raw io\n"); |
Jens Axboe | e0a2233 | 2006-12-20 12:54:25 +0100 | [diff] [blame] | 302 | |
| 303 | /* |
Jens Axboe | 48097d5 | 2007-02-17 06:30:44 +0100 | [diff] [blame] | 304 | * thinktime_spin must be less than thinktime |
| 305 | */ |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 306 | if (o->thinktime_spin > o->thinktime) |
| 307 | o->thinktime_spin = o->thinktime; |
Jens Axboe | e916b39 | 2007-02-20 14:37:26 +0100 | [diff] [blame] | 308 | |
| 309 | /* |
| 310 | * The low water mark cannot be bigger than the iodepth |
| 311 | */ |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 312 | if (o->iodepth_low > o->iodepth || !o->iodepth_low) { |
Jens Axboe | 9467b77 | 2007-02-27 19:56:43 +0100 | [diff] [blame] | 313 | /* |
| 314 | * syslet work around - if the workload is sequential, |
| 315 | * we want to let the queue drain all the way down to |
| 316 | * avoid seeking between async threads |
| 317 | */ |
| 318 | if (!strcmp(td->io_ops->name, "syslet-rw") && !td_random(td)) |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 319 | o->iodepth_low = 1; |
Jens Axboe | 9467b77 | 2007-02-27 19:56:43 +0100 | [diff] [blame] | 320 | else |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 321 | o->iodepth_low = o->iodepth; |
Jens Axboe | 9467b77 | 2007-02-27 19:56:43 +0100 | [diff] [blame] | 322 | } |
Jens Axboe | cb5ab51 | 2007-02-26 12:57:09 +0100 | [diff] [blame] | 323 | |
| 324 | /* |
| 325 | * If batch number isn't set, default to the same as iodepth |
| 326 | */ |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 327 | if (o->iodepth_batch > o->iodepth || !o->iodepth_batch) |
| 328 | o->iodepth_batch = o->iodepth; |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 329 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 330 | if (o->nr_files > td->files_index) |
| 331 | o->nr_files = td->files_index; |
Jens Axboe | 9f9214f | 2007-03-13 14:02:16 +0100 | [diff] [blame] | 332 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 333 | if (o->open_files > o->nr_files || !o->open_files) |
| 334 | o->open_files = o->nr_files; |
Jens Axboe | 4e991c2 | 2007-03-15 11:41:11 +0100 | [diff] [blame] | 335 | |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 336 | if (((o->rate[0] + o->rate[1]) && (o->rate_iops[0] + o->rate_iops[1]))|| |
| 337 | ((o->ratemin[0] + o->ratemin[1]) && (o->rate_iops_min[0] + |
| 338 | o->rate_iops_min[1]))) { |
Jens Axboe | 4e991c2 | 2007-03-15 11:41:11 +0100 | [diff] [blame] | 339 | log_err("fio: rate and rate_iops are mutually exclusive\n"); |
| 340 | return 1; |
| 341 | } |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 342 | if ((o->rate[0] < o->ratemin[0]) || (o->rate[1] < o->ratemin[1]) || |
| 343 | (o->rate_iops[0] < o->rate_iops_min[0]) || |
| 344 | (o->rate_iops[1] < o->rate_iops_min[1])) { |
Jens Axboe | 4e991c2 | 2007-03-15 11:41:11 +0100 | [diff] [blame] | 345 | log_err("fio: minimum rate exceeds rate\n"); |
| 346 | return 1; |
| 347 | } |
| 348 | |
Jens Axboe | cf4464c | 2007-04-17 20:14:42 +0200 | [diff] [blame] | 349 | if (!o->timeout && o->time_based) { |
| 350 | log_err("fio: time_based requires a runtime/timeout setting\n"); |
| 351 | o->time_based = 0; |
| 352 | } |
| 353 | |
Shawn Lewis | aa31f1f | 2008-01-11 09:45:11 +0100 | [diff] [blame] | 354 | if (o->fill_device && !o->size) |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 355 | o->size = -1ULL; |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 356 | |
Jens Axboe | 9bbf57c | 2010-03-18 20:45:43 +0100 | [diff] [blame] | 357 | if (td_rw(td) && o->verify != VERIFY_NONE) |
Jens Axboe | 7971314 | 2008-02-06 14:40:14 +0100 | [diff] [blame] | 358 | log_info("fio: mixed read/write workload with verify. May not " |
| 359 | "work as expected, unless you pre-populated the file\n"); |
Shawn Lewis | aa31f1f | 2008-01-11 09:45:11 +0100 | [diff] [blame] | 360 | |
Jens Axboe | 9bbf57c | 2010-03-18 20:45:43 +0100 | [diff] [blame] | 361 | if (o->verify != VERIFY_NONE) { |
| 362 | o->refill_buffers = 1; |
Jens Axboe | d990588 | 2010-03-18 20:43:00 +0100 | [diff] [blame] | 363 | if (o->max_bs[DDIR_WRITE] != o->min_bs[DDIR_WRITE] && |
| 364 | !o->verify_interval) |
| 365 | o->verify_interval = o->min_bs[DDIR_WRITE]; |
| 366 | } |
Jens Axboe | 41ccd84 | 2008-05-22 09:17:33 +0200 | [diff] [blame] | 367 | |
Jens Axboe | 9bbf57c | 2010-03-18 20:45:43 +0100 | [diff] [blame] | 368 | if (o->pre_read) { |
| 369 | o->invalidate_cache = 0; |
Jens Axboe | 9c0d224 | 2009-07-01 12:26:28 +0200 | [diff] [blame] | 370 | if (td->io_ops->flags & FIO_PIPEIO) |
| 371 | log_info("fio: cannot pre-read files with an IO engine" |
| 372 | " that isn't seekable. Pre-read disabled.\n"); |
| 373 | } |
Jens Axboe | 34f1c04 | 2009-06-02 14:19:25 +0200 | [diff] [blame] | 374 | |
Joshua Aune | e72fa4d | 2010-02-11 00:59:18 -0700 | [diff] [blame] | 375 | #ifndef FIO_HAVE_FDATASYNC |
Jens Axboe | 9bbf57c | 2010-03-18 20:45:43 +0100 | [diff] [blame] | 376 | if (o->fdatasync_blocks) { |
Joshua Aune | e72fa4d | 2010-02-11 00:59:18 -0700 | [diff] [blame] | 377 | log_info("fio: this platform does not support fdatasync()" |
| 378 | " falling back to using fsync(). Use the 'fsync'" |
| 379 | " option instead of 'fdatasync' to get rid of" |
| 380 | " this warning\n"); |
Jens Axboe | 9bbf57c | 2010-03-18 20:45:43 +0100 | [diff] [blame] | 381 | o->fsync_blocks = o->fdatasync_blocks; |
| 382 | o->fdatasync_blocks = 0; |
Joshua Aune | e72fa4d | 2010-02-11 00:59:18 -0700 | [diff] [blame] | 383 | } |
| 384 | #endif |
| 385 | |
Jens Axboe | 4e991c2 | 2007-03-15 11:41:11 +0100 | [diff] [blame] | 386 | return 0; |
Jens Axboe | e1f3650 | 2006-10-27 10:54:08 +0200 | [diff] [blame] | 387 | } |
| 388 | |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 389 | /* |
Jens Axboe | f8977ee | 2006-11-06 14:03:03 +0100 | [diff] [blame] | 390 | * This function leaks the buffer |
| 391 | */ |
| 392 | static char *to_kmg(unsigned int val) |
| 393 | { |
| 394 | char *buf = malloc(32); |
Jens Axboe | f3502ba | 2007-02-14 01:27:09 +0100 | [diff] [blame] | 395 | char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 }; |
Jens Axboe | f8977ee | 2006-11-06 14:03:03 +0100 | [diff] [blame] | 396 | char *p = post; |
| 397 | |
Jens Axboe | 245142f | 2006-11-08 12:49:21 +0100 | [diff] [blame] | 398 | do { |
Jens Axboe | f8977ee | 2006-11-06 14:03:03 +0100 | [diff] [blame] | 399 | if (val & 1023) |
| 400 | break; |
| 401 | |
| 402 | val >>= 10; |
| 403 | p++; |
Jens Axboe | 245142f | 2006-11-08 12:49:21 +0100 | [diff] [blame] | 404 | } while (*p); |
Jens Axboe | f8977ee | 2006-11-06 14:03:03 +0100 | [diff] [blame] | 405 | |
| 406 | snprintf(buf, 31, "%u%c", val, *p); |
| 407 | return buf; |
| 408 | } |
| 409 | |
Jens Axboe | 09629a9 | 2007-03-09 09:00:06 +0100 | [diff] [blame] | 410 | /* External engines are specified by "external:name.o") */ |
| 411 | static const char *get_engine_name(const char *str) |
| 412 | { |
| 413 | char *p = strstr(str, ":"); |
| 414 | |
| 415 | if (!p) |
| 416 | return str; |
| 417 | |
| 418 | p++; |
| 419 | strip_blank_front(&p); |
| 420 | strip_blank_end(p); |
| 421 | return p; |
| 422 | } |
| 423 | |
Jens Axboe | e132cba | 2007-03-14 14:23:54 +0100 | [diff] [blame] | 424 | static int exists_and_not_file(const char *filename) |
| 425 | { |
| 426 | struct stat sb; |
| 427 | |
| 428 | if (lstat(filename, &sb) == -1) |
| 429 | return 0; |
| 430 | |
| 431 | if (S_ISREG(sb.st_mode)) |
| 432 | return 0; |
| 433 | |
| 434 | return 1; |
| 435 | } |
| 436 | |
Jens Axboe | 5bfc35d | 2009-04-07 13:28:12 +0200 | [diff] [blame] | 437 | void td_fill_rand_seeds(struct thread_data *td) |
| 438 | { |
| 439 | os_random_seed(td->rand_seeds[0], &td->bsrange_state); |
| 440 | os_random_seed(td->rand_seeds[1], &td->verify_state); |
| 441 | os_random_seed(td->rand_seeds[2], &td->rwmix_state); |
| 442 | |
| 443 | if (td->o.file_service_type == FIO_FSERVICE_RANDOM) |
| 444 | os_random_seed(td->rand_seeds[3], &td->next_file_state); |
| 445 | |
| 446 | os_random_seed(td->rand_seeds[5], &td->file_size_state); |
| 447 | |
| 448 | if (!td_random(td)) |
| 449 | return; |
| 450 | |
| 451 | if (td->o.rand_repeatable) |
| 452 | td->rand_seeds[4] = FIO_RANDSEED * td->thread_number; |
| 453 | |
| 454 | os_random_seed(td->rand_seeds[4], &td->random_state); |
| 455 | } |
| 456 | |
Jens Axboe | f8977ee | 2006-11-06 14:03:03 +0100 | [diff] [blame] | 457 | /* |
Jens Axboe | 9c60ce6 | 2007-03-15 09:14:47 +0100 | [diff] [blame] | 458 | * Initialize the various random states we need (random io, block size ranges, |
| 459 | * read/write mix, etc). |
| 460 | */ |
| 461 | static int init_random_state(struct thread_data *td) |
| 462 | { |
Jens Axboe | 6872707 | 2007-03-15 20:49:25 +0100 | [diff] [blame] | 463 | int fd; |
Jens Axboe | 9c60ce6 | 2007-03-15 09:14:47 +0100 | [diff] [blame] | 464 | |
| 465 | fd = open("/dev/urandom", O_RDONLY); |
| 466 | if (fd == -1) { |
| 467 | td_verror(td, errno, "open"); |
| 468 | return 1; |
| 469 | } |
| 470 | |
Jens Axboe | 5bfc35d | 2009-04-07 13:28:12 +0200 | [diff] [blame] | 471 | if (read(fd, td->rand_seeds, sizeof(td->rand_seeds)) < |
| 472 | (int) sizeof(td->rand_seeds)) { |
Jens Axboe | 9c60ce6 | 2007-03-15 09:14:47 +0100 | [diff] [blame] | 473 | td_verror(td, EIO, "read"); |
| 474 | close(fd); |
| 475 | return 1; |
| 476 | } |
| 477 | |
| 478 | close(fd); |
Jens Axboe | 5bfc35d | 2009-04-07 13:28:12 +0200 | [diff] [blame] | 479 | td_fill_rand_seeds(td); |
Jens Axboe | 9c60ce6 | 2007-03-15 09:14:47 +0100 | [diff] [blame] | 480 | return 0; |
| 481 | } |
| 482 | |
Jens Axboe | 9c60ce6 | 2007-03-15 09:14:47 +0100 | [diff] [blame] | 483 | /* |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 484 | * Adds a job to the list of things todo. Sanitizes the various options |
| 485 | * to make sure we don't have conflicts, and initializes various |
| 486 | * members of td. |
| 487 | */ |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 488 | static int add_job(struct thread_data *td, const char *jobname, int job_add_num) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 489 | { |
Jens Axboe | 413dd45 | 2007-02-23 09:26:09 +0100 | [diff] [blame] | 490 | const char *ddir_str[] = { NULL, "read", "write", "rw", NULL, |
| 491 | "randread", "randwrite", "randrw" }; |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 492 | unsigned int i; |
Jens Axboe | 09629a9 | 2007-03-09 09:00:06 +0100 | [diff] [blame] | 493 | const char *engine; |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 494 | char fname[PATH_MAX]; |
Jens Axboe | e132cba | 2007-03-14 14:23:54 +0100 | [diff] [blame] | 495 | int numjobs, file_alloced; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 496 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 497 | /* |
| 498 | * the def_thread is just for options, it's not a real job |
| 499 | */ |
| 500 | if (td == &def_thread) |
| 501 | return 0; |
| 502 | |
Jens Axboe | cca73aa | 2007-04-04 11:09:19 +0200 | [diff] [blame] | 503 | /* |
| 504 | * if we are just dumping the output command line, don't add the job |
| 505 | */ |
| 506 | if (dump_cmdline) { |
| 507 | put_job(td); |
| 508 | return 0; |
| 509 | } |
| 510 | |
Jens Axboe | 58c55ba | 2010-03-09 12:20:08 +0100 | [diff] [blame] | 511 | if (profile_td_init(td)) |
| 512 | return 1; |
| 513 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 514 | engine = get_engine_name(td->o.ioengine); |
Jens Axboe | 09629a9 | 2007-03-09 09:00:06 +0100 | [diff] [blame] | 515 | td->io_ops = load_ioengine(td, engine); |
| 516 | if (!td->io_ops) { |
| 517 | log_err("fio: failed to load engine %s\n", engine); |
Jens Axboe | 205927a | 2007-03-15 11:06:32 +0100 | [diff] [blame] | 518 | goto err; |
Jens Axboe | 09629a9 | 2007-03-09 09:00:06 +0100 | [diff] [blame] | 519 | } |
Jens Axboe | df64119 | 2006-10-12 07:55:41 +0200 | [diff] [blame] | 520 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 521 | if (td->o.use_thread) |
Jens Axboe | 9cedf16 | 2007-03-12 11:29:30 +0100 | [diff] [blame] | 522 | nr_thread++; |
| 523 | else |
| 524 | nr_process++; |
| 525 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 526 | if (td->o.odirect) |
Jens Axboe | 690adba | 2006-10-30 15:25:09 +0100 | [diff] [blame] | 527 | td->io_ops->flags |= FIO_RAWIO; |
| 528 | |
Jens Axboe | e132cba | 2007-03-14 14:23:54 +0100 | [diff] [blame] | 529 | file_alloced = 0; |
Jens Axboe | 691c8fb | 2008-03-07 14:26:26 +0100 | [diff] [blame] | 530 | if (!td->o.filename && !td->files_index && !td->o.read_iolog_file) { |
Jens Axboe | e132cba | 2007-03-14 14:23:54 +0100 | [diff] [blame] | 531 | file_alloced = 1; |
Jens Axboe | 80be24f | 2007-03-12 11:01:25 +0100 | [diff] [blame] | 532 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 533 | if (td->o.nr_files == 1 && exists_and_not_file(jobname)) |
Jens Axboe | e132cba | 2007-03-14 14:23:54 +0100 | [diff] [blame] | 534 | add_file(td, jobname); |
Jens Axboe | 7b05a21 | 2007-03-13 11:17:07 +0100 | [diff] [blame] | 535 | else { |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 536 | for (i = 0; i < td->o.nr_files; i++) { |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 537 | sprintf(fname, "%s.%d.%d", jobname, |
| 538 | td->thread_number, i); |
Jens Axboe | 7b05a21 | 2007-03-13 11:17:07 +0100 | [diff] [blame] | 539 | add_file(td, fname); |
| 540 | } |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 541 | } |
Jens Axboe | 0af7b54 | 2006-02-17 10:10:12 +0100 | [diff] [blame] | 542 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 543 | |
Jens Axboe | 4e991c2 | 2007-03-15 11:41:11 +0100 | [diff] [blame] | 544 | if (fixup_options(td)) |
| 545 | goto err; |
Jens Axboe | e0a2233 | 2006-12-20 12:54:25 +0100 | [diff] [blame] | 546 | |
Jens Axboe | 07eb79d | 2007-04-12 13:02:38 +0200 | [diff] [blame] | 547 | if (td->io_ops->flags & FIO_DISKLESSIO) { |
| 548 | struct fio_file *f; |
| 549 | |
| 550 | for_each_file(td, f, i) |
| 551 | f->real_file_size = -1ULL; |
| 552 | } |
| 553 | |
Jens Axboe | cdd18ad | 2008-02-27 18:58:00 +0100 | [diff] [blame] | 554 | td->mutex = fio_mutex_init(0); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 555 | |
Jens Axboe | 756867b | 2007-03-06 15:19:24 +0100 | [diff] [blame] | 556 | td->ts.clat_stat[0].min_val = td->ts.clat_stat[1].min_val = ULONG_MAX; |
| 557 | td->ts.slat_stat[0].min_val = td->ts.slat_stat[1].min_val = ULONG_MAX; |
| 558 | td->ts.bw_stat[0].min_val = td->ts.bw_stat[1].min_val = ULONG_MAX; |
Jens Axboe | 1e3d53a | 2007-03-22 19:01:48 +0100 | [diff] [blame] | 559 | td->ddir_nr = td->o.ddir_nr; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 560 | |
Jens Axboe | 755c318 | 2009-08-25 22:14:29 +0200 | [diff] [blame] | 561 | if ((td->o.stonewall || td->o.new_group) && prev_group_jobs) { |
Jens Axboe | 3c5df6f | 2007-03-12 15:09:24 +0100 | [diff] [blame] | 562 | prev_group_jobs = 0; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 563 | groupid++; |
Jens Axboe | 3c5df6f | 2007-03-12 15:09:24 +0100 | [diff] [blame] | 564 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 565 | |
| 566 | td->groupid = groupid; |
Jens Axboe | 3c5df6f | 2007-03-12 15:09:24 +0100 | [diff] [blame] | 567 | prev_group_jobs++; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 568 | |
Jens Axboe | 9c60ce6 | 2007-03-15 09:14:47 +0100 | [diff] [blame] | 569 | if (init_random_state(td)) |
| 570 | goto err; |
| 571 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 572 | if (setup_rate(td)) |
| 573 | goto err; |
| 574 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 575 | if (td->o.write_lat_log) { |
Jens Axboe | 756867b | 2007-03-06 15:19:24 +0100 | [diff] [blame] | 576 | setup_log(&td->ts.slat_log); |
| 577 | setup_log(&td->ts.clat_log); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 578 | } |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 579 | if (td->o.write_bw_log) |
Jens Axboe | 756867b | 2007-03-06 15:19:24 +0100 | [diff] [blame] | 580 | setup_log(&td->ts.bw_log); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 581 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 582 | if (!td->o.name) |
| 583 | td->o.name = strdup(jobname); |
Jens Axboe | 0145205 | 2006-06-07 10:29:47 +0200 | [diff] [blame] | 584 | |
Jens Axboe | c6ae0a5 | 2006-06-12 11:04:44 +0200 | [diff] [blame] | 585 | if (!terse_output) { |
Jens Axboe | b990b5c | 2006-09-14 09:48:22 +0200 | [diff] [blame] | 586 | if (!job_add_num) { |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 587 | if (!strcmp(td->io_ops->name, "cpuio")) { |
| 588 | log_info("%s: ioengine=cpu, cpuload=%u," |
| 589 | " cpucycle=%u\n", td->o.name, |
| 590 | td->o.cpuload, |
| 591 | td->o.cpucycle); |
| 592 | } else { |
Jens Axboe | f8977ee | 2006-11-06 14:03:03 +0100 | [diff] [blame] | 593 | char *c1, *c2, *c3, *c4; |
| 594 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 595 | c1 = to_kmg(td->o.min_bs[DDIR_READ]); |
| 596 | c2 = to_kmg(td->o.max_bs[DDIR_READ]); |
| 597 | c3 = to_kmg(td->o.min_bs[DDIR_WRITE]); |
| 598 | c4 = to_kmg(td->o.max_bs[DDIR_WRITE]); |
Jens Axboe | f8977ee | 2006-11-06 14:03:03 +0100 | [diff] [blame] | 599 | |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 600 | log_info("%s: (g=%d): rw=%s, bs=%s-%s/%s-%s," |
| 601 | " ioengine=%s, iodepth=%u\n", |
| 602 | td->o.name, td->groupid, |
| 603 | ddir_str[td->o.td_ddir], |
| 604 | c1, c2, c3, c4, |
| 605 | td->io_ops->name, |
| 606 | td->o.iodepth); |
Jens Axboe | f8977ee | 2006-11-06 14:03:03 +0100 | [diff] [blame] | 607 | |
| 608 | free(c1); |
| 609 | free(c2); |
| 610 | free(c3); |
| 611 | free(c4); |
| 612 | } |
Jens Axboe | b990b5c | 2006-09-14 09:48:22 +0200 | [diff] [blame] | 613 | } else if (job_add_num == 1) |
Jens Axboe | 6d86144 | 2007-03-15 09:22:23 +0100 | [diff] [blame] | 614 | log_info("...\n"); |
Jens Axboe | c6ae0a5 | 2006-06-12 11:04:44 +0200 | [diff] [blame] | 615 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 616 | |
| 617 | /* |
| 618 | * recurse add identical jobs, clear numjobs and stonewall options |
| 619 | * as they don't apply to sub-jobs |
| 620 | */ |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 621 | numjobs = td->o.numjobs; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 622 | while (--numjobs) { |
| 623 | struct thread_data *td_new = get_new_job(0, td); |
| 624 | |
| 625 | if (!td_new) |
| 626 | goto err; |
| 627 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 628 | td_new->o.numjobs = 1; |
| 629 | td_new->o.stonewall = 0; |
Jens Axboe | 92c1d41 | 2007-03-28 10:04:08 +0200 | [diff] [blame] | 630 | td_new->o.new_group = 0; |
Jens Axboe | e132cba | 2007-03-14 14:23:54 +0100 | [diff] [blame] | 631 | |
| 632 | if (file_alloced) { |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 633 | td_new->o.filename = NULL; |
Jens Axboe | e132cba | 2007-03-14 14:23:54 +0100 | [diff] [blame] | 634 | td_new->files_index = 0; |
Jens Axboe | 4e6ea2f | 2009-03-04 20:17:22 +0100 | [diff] [blame] | 635 | td_new->files_size = 0; |
Jens Axboe | e132cba | 2007-03-14 14:23:54 +0100 | [diff] [blame] | 636 | td_new->files = NULL; |
| 637 | } |
| 638 | |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 639 | job_add_num = numjobs - 1; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 640 | |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 641 | if (add_job(td_new, jobname, job_add_num)) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 642 | goto err; |
| 643 | } |
Jens Axboe | 3c5df6f | 2007-03-12 15:09:24 +0100 | [diff] [blame] | 644 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 645 | return 0; |
| 646 | err: |
| 647 | put_job(td); |
| 648 | return -1; |
| 649 | } |
| 650 | |
Jens Axboe | 79d1631 | 2010-03-04 12:43:20 +0100 | [diff] [blame] | 651 | /* |
| 652 | * Parse as if 'o' was a command line |
| 653 | */ |
| 654 | void add_job_opts(const char **o) |
| 655 | { |
| 656 | struct thread_data *td, *td_parent; |
| 657 | int i, in_global = 1; |
| 658 | char jobname[32]; |
| 659 | |
| 660 | i = 0; |
| 661 | td_parent = td = NULL; |
| 662 | while (o[i]) { |
| 663 | if (!strncmp(o[i], "name", 4)) { |
| 664 | in_global = 0; |
| 665 | if (td) |
| 666 | add_job(td, jobname, 0); |
| 667 | td = NULL; |
| 668 | sprintf(jobname, "%s", o[i] + 5); |
| 669 | } |
| 670 | if (in_global && !td_parent) |
| 671 | td_parent = get_new_job(1, &def_thread); |
| 672 | else if (!in_global && !td) { |
| 673 | if (!td_parent) |
| 674 | td_parent = &def_thread; |
| 675 | td = get_new_job(0, td_parent); |
| 676 | } |
| 677 | if (in_global) |
| 678 | fio_options_parse(td_parent, (char **) &o[i], 1); |
| 679 | else |
| 680 | fio_options_parse(td, (char **) &o[i], 1); |
| 681 | i++; |
| 682 | } |
| 683 | |
| 684 | if (td) |
| 685 | add_job(td, jobname, 0); |
| 686 | } |
| 687 | |
Jens Axboe | 01f06b6 | 2008-02-18 20:53:47 +0100 | [diff] [blame] | 688 | static int skip_this_section(const char *name) |
| 689 | { |
| 690 | if (!job_section) |
| 691 | return 0; |
| 692 | if (!strncmp(name, "global", 6)) |
| 693 | return 0; |
| 694 | |
Jens Axboe | b36beb6 | 2009-03-05 21:14:21 +0100 | [diff] [blame] | 695 | return strcmp(job_section, name); |
Jens Axboe | 01f06b6 | 2008-02-18 20:53:47 +0100 | [diff] [blame] | 696 | } |
| 697 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 698 | static int is_empty_or_comment(char *line) |
| 699 | { |
| 700 | unsigned int i; |
| 701 | |
| 702 | for (i = 0; i < strlen(line); i++) { |
| 703 | if (line[i] == ';') |
| 704 | return 1; |
Ingo Molnar | 5cc2da3 | 2007-02-20 10:19:44 +0100 | [diff] [blame] | 705 | if (line[i] == '#') |
| 706 | return 1; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 707 | if (!isspace(line[i]) && !iscntrl(line[i])) |
| 708 | return 0; |
| 709 | } |
| 710 | |
| 711 | return 1; |
| 712 | } |
| 713 | |
Jens Axboe | 313cb20 | 2006-12-21 09:50:00 +0100 | [diff] [blame] | 714 | /* |
Jens Axboe | 0726198 | 2006-06-07 10:51:12 +0200 | [diff] [blame] | 715 | * This is our [ini] type file parser. |
| 716 | */ |
Jens Axboe | 1e97cce | 2006-12-05 11:44:16 +0100 | [diff] [blame] | 717 | static int parse_jobs_ini(char *file, int stonewall_flag) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 718 | { |
Jens Axboe | e1f3650 | 2006-10-27 10:54:08 +0200 | [diff] [blame] | 719 | unsigned int global; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 720 | struct thread_data *td; |
Jens Axboe | fee3bb4 | 2006-10-30 13:32:08 +0100 | [diff] [blame] | 721 | char *string, *name; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 722 | FILE *f; |
| 723 | char *p; |
Jens Axboe | 0c7e37a | 2006-06-13 14:53:38 +0200 | [diff] [blame] | 724 | int ret = 0, stonewall; |
Jens Axboe | 097b299 | 2007-04-19 09:41:45 +0200 | [diff] [blame] | 725 | int first_sect = 1; |
Jens Axboe | ccf8f12 | 2007-09-27 10:48:55 +0200 | [diff] [blame] | 726 | int skip_fgets = 0; |
Jens Axboe | 01f06b6 | 2008-02-18 20:53:47 +0100 | [diff] [blame] | 727 | int inside_skip = 0; |
Jens Axboe | 3b8b713 | 2008-06-10 19:46:23 +0200 | [diff] [blame] | 728 | char **opts; |
| 729 | int i, alloc_opts, num_opts; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 730 | |
Aaron Carroll | 5a729cb | 2007-09-27 09:03:55 +0200 | [diff] [blame] | 731 | if (!strcmp(file, "-")) |
| 732 | f = stdin; |
| 733 | else |
| 734 | f = fopen(file, "r"); |
| 735 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 736 | if (!f) { |
Jens Axboe | aea47d4 | 2006-05-26 19:27:29 +0200 | [diff] [blame] | 737 | perror("fopen job file"); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 738 | return 1; |
| 739 | } |
| 740 | |
| 741 | string = malloc(4096); |
Jens Axboe | 7f7e6e5 | 2007-07-19 14:50:05 +0200 | [diff] [blame] | 742 | |
| 743 | /* |
| 744 | * it's really 256 + small bit, 280 should suffice |
| 745 | */ |
| 746 | name = malloc(280); |
| 747 | memset(name, 0, 280); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 748 | |
Jens Axboe | 3b8b713 | 2008-06-10 19:46:23 +0200 | [diff] [blame] | 749 | alloc_opts = 8; |
| 750 | opts = malloc(sizeof(char *) * alloc_opts); |
Jens Axboe | b7c6302 | 2008-06-11 11:47:56 +0200 | [diff] [blame] | 751 | num_opts = 0; |
Jens Axboe | 3b8b713 | 2008-06-10 19:46:23 +0200 | [diff] [blame] | 752 | |
Jens Axboe | 0c7e37a | 2006-06-13 14:53:38 +0200 | [diff] [blame] | 753 | stonewall = stonewall_flag; |
Jens Axboe | 7c124ac | 2006-10-30 13:36:52 +0100 | [diff] [blame] | 754 | do { |
Jens Axboe | ccf8f12 | 2007-09-27 10:48:55 +0200 | [diff] [blame] | 755 | /* |
| 756 | * if skip_fgets is set, we already have loaded a line we |
| 757 | * haven't handled. |
| 758 | */ |
| 759 | if (!skip_fgets) { |
| 760 | p = fgets(string, 4095, f); |
| 761 | if (!p) |
| 762 | break; |
| 763 | } |
gurudas pai | cdc7f19 | 2007-03-29 10:10:56 +0200 | [diff] [blame] | 764 | |
Jens Axboe | ccf8f12 | 2007-09-27 10:48:55 +0200 | [diff] [blame] | 765 | skip_fgets = 0; |
gurudas pai | cdc7f19 | 2007-03-29 10:10:56 +0200 | [diff] [blame] | 766 | strip_blank_front(&p); |
Jens Axboe | 6c7c7da | 2007-03-29 14:12:57 -0800 | [diff] [blame] | 767 | strip_blank_end(p); |
gurudas pai | cdc7f19 | 2007-03-29 10:10:56 +0200 | [diff] [blame] | 768 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 769 | if (is_empty_or_comment(p)) |
| 770 | continue; |
Jens Axboe | 6c7c7da | 2007-03-29 14:12:57 -0800 | [diff] [blame] | 771 | if (sscanf(p, "[%255s]", name) != 1) { |
Jens Axboe | 01f06b6 | 2008-02-18 20:53:47 +0100 | [diff] [blame] | 772 | if (inside_skip) |
| 773 | continue; |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 774 | log_err("fio: option <%s> outside of [] job section\n", |
| 775 | p); |
Jens Axboe | 088b420 | 2007-07-19 14:53:01 +0200 | [diff] [blame] | 776 | break; |
Jens Axboe | 6c7c7da | 2007-03-29 14:12:57 -0800 | [diff] [blame] | 777 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 778 | |
Jens Axboe | 01f06b6 | 2008-02-18 20:53:47 +0100 | [diff] [blame] | 779 | if (skip_this_section(name)) { |
| 780 | inside_skip = 1; |
| 781 | continue; |
| 782 | } else |
| 783 | inside_skip = 0; |
| 784 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 785 | global = !strncmp(name, "global", 6); |
| 786 | |
| 787 | name[strlen(name) - 1] = '\0'; |
| 788 | |
Jens Axboe | cca73aa | 2007-04-04 11:09:19 +0200 | [diff] [blame] | 789 | if (dump_cmdline) { |
Jens Axboe | 097b299 | 2007-04-19 09:41:45 +0200 | [diff] [blame] | 790 | if (first_sect) |
| 791 | log_info("fio "); |
Jens Axboe | cca73aa | 2007-04-04 11:09:19 +0200 | [diff] [blame] | 792 | if (!global) |
| 793 | log_info("--name=%s ", name); |
Jens Axboe | 097b299 | 2007-04-19 09:41:45 +0200 | [diff] [blame] | 794 | first_sect = 0; |
Jens Axboe | cca73aa | 2007-04-04 11:09:19 +0200 | [diff] [blame] | 795 | } |
| 796 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 797 | td = get_new_job(global, &def_thread); |
Jens Axboe | 45410ac | 2006-06-07 11:10:39 +0200 | [diff] [blame] | 798 | if (!td) { |
| 799 | ret = 1; |
| 800 | break; |
| 801 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 802 | |
Jens Axboe | 972cfd2 | 2006-06-09 11:08:56 +0200 | [diff] [blame] | 803 | /* |
| 804 | * Seperate multiple job files by a stonewall |
| 805 | */ |
Jens Axboe | f948191 | 2006-06-09 11:37:28 +0200 | [diff] [blame] | 806 | if (!global && stonewall) { |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 807 | td->o.stonewall = stonewall; |
Jens Axboe | 972cfd2 | 2006-06-09 11:08:56 +0200 | [diff] [blame] | 808 | stonewall = 0; |
| 809 | } |
| 810 | |
Jens Axboe | 3b8b713 | 2008-06-10 19:46:23 +0200 | [diff] [blame] | 811 | num_opts = 0; |
| 812 | memset(opts, 0, alloc_opts * sizeof(char *)); |
| 813 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 814 | while ((p = fgets(string, 4096, f)) != NULL) { |
| 815 | if (is_empty_or_comment(p)) |
| 816 | continue; |
Jens Axboe | e1f3650 | 2006-10-27 10:54:08 +0200 | [diff] [blame] | 817 | |
Jens Axboe | b6754f9 | 2006-05-30 14:29:32 +0200 | [diff] [blame] | 818 | strip_blank_front(&p); |
Jens Axboe | 7c124ac | 2006-10-30 13:36:52 +0100 | [diff] [blame] | 819 | |
Jens Axboe | ccf8f12 | 2007-09-27 10:48:55 +0200 | [diff] [blame] | 820 | /* |
| 821 | * new section, break out and make sure we don't |
| 822 | * fgets() a new line at the top. |
| 823 | */ |
| 824 | if (p[0] == '[') { |
| 825 | skip_fgets = 1; |
Jens Axboe | 7c124ac | 2006-10-30 13:36:52 +0100 | [diff] [blame] | 826 | break; |
Jens Axboe | ccf8f12 | 2007-09-27 10:48:55 +0200 | [diff] [blame] | 827 | } |
Jens Axboe | 7c124ac | 2006-10-30 13:36:52 +0100 | [diff] [blame] | 828 | |
Jens Axboe | 4ae3f76 | 2006-05-30 13:35:14 +0200 | [diff] [blame] | 829 | strip_blank_end(p); |
Jens Axboe | aea47d4 | 2006-05-26 19:27:29 +0200 | [diff] [blame] | 830 | |
Jens Axboe | 3b8b713 | 2008-06-10 19:46:23 +0200 | [diff] [blame] | 831 | if (num_opts == alloc_opts) { |
| 832 | alloc_opts <<= 1; |
| 833 | opts = realloc(opts, |
| 834 | alloc_opts * sizeof(char *)); |
| 835 | } |
| 836 | |
| 837 | opts[num_opts] = strdup(p); |
| 838 | num_opts++; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 839 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 840 | |
Jens Axboe | 3b8b713 | 2008-06-10 19:46:23 +0200 | [diff] [blame] | 841 | ret = fio_options_parse(td, opts, num_opts); |
| 842 | if (!ret) { |
| 843 | if (dump_cmdline) |
| 844 | for (i = 0; i < num_opts; i++) |
| 845 | log_info("--%s ", opts[i]); |
| 846 | |
Jens Axboe | 45410ac | 2006-06-07 11:10:39 +0200 | [diff] [blame] | 847 | ret = add_job(td, name, 0); |
Jens Axboe | 3b8b713 | 2008-06-10 19:46:23 +0200 | [diff] [blame] | 848 | } else { |
Jens Axboe | b1508cf | 2006-11-02 09:12:40 +0100 | [diff] [blame] | 849 | log_err("fio: job %s dropped\n", name); |
| 850 | put_job(td); |
Jens Axboe | 45410ac | 2006-06-07 11:10:39 +0200 | [diff] [blame] | 851 | } |
Jens Axboe | 3b8b713 | 2008-06-10 19:46:23 +0200 | [diff] [blame] | 852 | |
| 853 | for (i = 0; i < num_opts; i++) |
| 854 | free(opts[i]); |
| 855 | num_opts = 0; |
Jens Axboe | 7c124ac | 2006-10-30 13:36:52 +0100 | [diff] [blame] | 856 | } while (!ret); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 857 | |
Jens Axboe | cca73aa | 2007-04-04 11:09:19 +0200 | [diff] [blame] | 858 | if (dump_cmdline) |
| 859 | log_info("\n"); |
| 860 | |
Jens Axboe | 3b8b713 | 2008-06-10 19:46:23 +0200 | [diff] [blame] | 861 | for (i = 0; i < num_opts; i++) |
| 862 | free(opts[i]); |
| 863 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 864 | free(string); |
| 865 | free(name); |
Jens Axboe | 2577594 | 2008-06-10 20:26:06 +0200 | [diff] [blame] | 866 | free(opts); |
Aaron Carroll | 5a729cb | 2007-09-27 09:03:55 +0200 | [diff] [blame] | 867 | if (f != stdin) |
| 868 | fclose(f); |
Jens Axboe | 45410ac | 2006-06-07 11:10:39 +0200 | [diff] [blame] | 869 | return ret; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 870 | } |
| 871 | |
| 872 | static int fill_def_thread(void) |
| 873 | { |
| 874 | memset(&def_thread, 0, sizeof(def_thread)); |
| 875 | |
Jens Axboe | 375b269 | 2007-05-22 09:13:02 +0200 | [diff] [blame] | 876 | fio_getaffinity(getpid(), &def_thread.o.cpumask); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 877 | |
| 878 | /* |
Jens Axboe | ee73849 | 2007-01-10 11:23:16 +0100 | [diff] [blame] | 879 | * fill default options |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 880 | */ |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 881 | fio_fill_default_options(&def_thread); |
Jens Axboe | ee73849 | 2007-01-10 11:23:16 +0100 | [diff] [blame] | 882 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 883 | def_thread.o.timeout = def_timeout; |
| 884 | def_thread.o.write_bw_log = write_bw_log; |
| 885 | def_thread.o.write_lat_log = write_lat_log; |
Jens Axboe | ee73849 | 2007-01-10 11:23:16 +0100 | [diff] [blame] | 886 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 887 | return 0; |
| 888 | } |
| 889 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 890 | static void free_shm(void) |
| 891 | { |
| 892 | struct shmid_ds sbuf; |
| 893 | |
| 894 | if (threads) { |
Jens Axboe | 5e1d306 | 2008-05-23 11:55:53 +0200 | [diff] [blame] | 895 | void *tp = threads; |
| 896 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 897 | threads = NULL; |
Jens Axboe | 5e1d306 | 2008-05-23 11:55:53 +0200 | [diff] [blame] | 898 | file_hash_exit(); |
| 899 | fio_debug_jobp = NULL; |
| 900 | shmdt(tp); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 901 | shmctl(shm_id, IPC_RMID, &sbuf); |
| 902 | } |
Jens Axboe | 2e5cdb1 | 2008-03-01 18:52:49 +0100 | [diff] [blame] | 903 | |
| 904 | scleanup(); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 905 | } |
| 906 | |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 907 | /* |
| 908 | * The thread area is shared between the main process and the job |
| 909 | * threads/processes. So setup a shared memory segment that will hold |
Jens Axboe | 380065a | 2008-03-01 18:56:24 +0100 | [diff] [blame] | 910 | * all the job info. We use the end of the region for keeping track of |
| 911 | * open files across jobs, for file sharing. |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 912 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 913 | static int setup_thread_area(void) |
| 914 | { |
Jens Axboe | 380065a | 2008-03-01 18:56:24 +0100 | [diff] [blame] | 915 | void *hash; |
| 916 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 917 | /* |
| 918 | * 1024 is too much on some machines, scale max_jobs if |
| 919 | * we get a failure that looks like too large a shm segment |
| 920 | */ |
| 921 | do { |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 922 | size_t size = max_jobs * sizeof(struct thread_data); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 923 | |
Jens Axboe | 380065a | 2008-03-01 18:56:24 +0100 | [diff] [blame] | 924 | size += file_hash_size; |
Jens Axboe | 5e1d306 | 2008-05-23 11:55:53 +0200 | [diff] [blame] | 925 | size += sizeof(unsigned int); |
Jens Axboe | 380065a | 2008-03-01 18:56:24 +0100 | [diff] [blame] | 926 | |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 927 | shm_id = shmget(0, size, IPC_CREAT | 0600); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 928 | if (shm_id != -1) |
| 929 | break; |
| 930 | if (errno != EINVAL) { |
| 931 | perror("shmget"); |
| 932 | break; |
| 933 | } |
| 934 | |
| 935 | max_jobs >>= 1; |
| 936 | } while (max_jobs); |
| 937 | |
| 938 | if (shm_id == -1) |
| 939 | return 1; |
| 940 | |
| 941 | threads = shmat(shm_id, NULL, 0); |
| 942 | if (threads == (void *) -1) { |
| 943 | perror("shmat"); |
| 944 | return 1; |
| 945 | } |
| 946 | |
Jens Axboe | 1f809d1 | 2007-10-25 18:34:02 +0200 | [diff] [blame] | 947 | memset(threads, 0, max_jobs * sizeof(struct thread_data)); |
Jens Axboe | 380065a | 2008-03-01 18:56:24 +0100 | [diff] [blame] | 948 | hash = (void *) threads + max_jobs * sizeof(struct thread_data); |
Jens Axboe | 5e1d306 | 2008-05-23 11:55:53 +0200 | [diff] [blame] | 949 | fio_debug_jobp = (void *) hash + file_hash_size; |
| 950 | *fio_debug_jobp = -1; |
Jens Axboe | 380065a | 2008-03-01 18:56:24 +0100 | [diff] [blame] | 951 | file_hash_init(hash); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 952 | atexit(free_shm); |
| 953 | return 0; |
| 954 | } |
| 955 | |
Jens Axboe | 45378b3 | 2007-12-19 13:54:38 +0100 | [diff] [blame] | 956 | static void usage(const char *name) |
Jens Axboe | b469282 | 2006-10-27 13:43:22 +0200 | [diff] [blame] | 957 | { |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 958 | printf("%s\n", fio_version_string); |
Jens Axboe | 45378b3 | 2007-12-19 13:54:38 +0100 | [diff] [blame] | 959 | printf("%s [options] [job options] <job file(s)>\n", name); |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 960 | printf("\t--debug=options\tEnable debug logging\n"); |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 961 | printf("\t--output\tWrite output to file\n"); |
| 962 | printf("\t--timeout\tRuntime in seconds\n"); |
| 963 | printf("\t--latency-log\tGenerate per-job latency logs\n"); |
| 964 | printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n"); |
| 965 | printf("\t--minimal\tMinimal (terse) output\n"); |
| 966 | printf("\t--version\tPrint version info and exit\n"); |
| 967 | printf("\t--help\t\tPrint this page\n"); |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 968 | printf("\t--cmdhelp=cmd\tPrint command help, \"all\" for all of" |
| 969 | " them\n"); |
Jens Axboe | cca73aa | 2007-04-04 11:09:19 +0200 | [diff] [blame] | 970 | printf("\t--showcmd\tTurn a job file into command line options\n"); |
Aaron Carroll | e592a06 | 2007-09-14 09:49:41 +0200 | [diff] [blame] | 971 | printf("\t--eta=when\tWhen ETA estimate should be printed\n"); |
| 972 | printf("\t \tMay be \"always\", \"never\" or \"auto\"\n"); |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 973 | printf("\t--readonly\tTurn on safety read-only checks, preventing" |
| 974 | " writes\n"); |
Jens Axboe | 01f06b6 | 2008-02-18 20:53:47 +0100 | [diff] [blame] | 975 | printf("\t--section=name\tOnly run specified section in job file\n"); |
Jens Axboe | 2b386d2 | 2008-03-26 10:32:57 +0100 | [diff] [blame] | 976 | printf("\t--alloc-size=kb\tSet smalloc pool to this size in kb" |
| 977 | " (def 1024)\n"); |
Jens Axboe | fd4442b | 2009-06-15 23:29:54 +0200 | [diff] [blame] | 978 | printf("\nFio was written by Jens Axboe <jens.axboe@oracle.com>\n"); |
Jens Axboe | b469282 | 2006-10-27 13:43:22 +0200 | [diff] [blame] | 979 | } |
| 980 | |
Jens Axboe | 79e48f7 | 2008-02-01 20:37:09 +0100 | [diff] [blame] | 981 | #ifdef FIO_INC_DEBUG |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 982 | struct debug_level debug_levels[] = { |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 983 | { .name = "process", .shift = FD_PROCESS, }, |
| 984 | { .name = "file", .shift = FD_FILE, }, |
| 985 | { .name = "io", .shift = FD_IO, }, |
| 986 | { .name = "mem", .shift = FD_MEM, }, |
| 987 | { .name = "blktrace", .shift = FD_BLKTRACE }, |
| 988 | { .name = "verify", .shift = FD_VERIFY }, |
Jens Axboe | 84422ac | 2008-02-19 20:10:26 +0100 | [diff] [blame] | 989 | { .name = "random", .shift = FD_RANDOM }, |
Jens Axboe | a3d741f | 2008-02-27 18:32:33 +0100 | [diff] [blame] | 990 | { .name = "parse", .shift = FD_PARSE }, |
Jens Axboe | cd991b9 | 2008-03-07 13:19:35 +0100 | [diff] [blame] | 991 | { .name = "diskutil", .shift = FD_DISKUTIL }, |
Jens Axboe | 5e1d306 | 2008-05-23 11:55:53 +0200 | [diff] [blame] | 992 | { .name = "job", .shift = FD_JOB }, |
Jens Axboe | 29adda3 | 2009-01-05 19:06:39 +0100 | [diff] [blame] | 993 | { .name = "mutex", .shift = FD_MUTEX }, |
Jens Axboe | 79d1631 | 2010-03-04 12:43:20 +0100 | [diff] [blame] | 994 | { .name = "profile", .shift = FD_PROFILE }, |
Jens Axboe | 02444ad | 2008-10-07 11:33:00 +0200 | [diff] [blame] | 995 | { .name = NULL, }, |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 996 | }; |
| 997 | |
Jens Axboe | c09823a | 2008-02-19 20:16:57 +0100 | [diff] [blame] | 998 | static int set_debug(const char *string) |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 999 | { |
| 1000 | struct debug_level *dl; |
| 1001 | char *p = (char *) string; |
| 1002 | char *opt; |
| 1003 | int i; |
| 1004 | |
| 1005 | if (!strcmp(string, "?") || !strcmp(string, "help")) { |
| 1006 | int i; |
| 1007 | |
| 1008 | log_info("fio: dumping debug options:"); |
| 1009 | for (i = 0; debug_levels[i].name; i++) { |
| 1010 | dl = &debug_levels[i]; |
| 1011 | log_info("%s,", dl->name); |
| 1012 | } |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 1013 | log_info("all\n"); |
Jens Axboe | c09823a | 2008-02-19 20:16:57 +0100 | [diff] [blame] | 1014 | return 1; |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 1015 | } |
| 1016 | |
| 1017 | while ((opt = strsep(&p, ",")) != NULL) { |
| 1018 | int found = 0; |
| 1019 | |
Jens Axboe | 5e1d306 | 2008-05-23 11:55:53 +0200 | [diff] [blame] | 1020 | if (!strncmp(opt, "all", 3)) { |
| 1021 | log_info("fio: set all debug options\n"); |
| 1022 | fio_debug = ~0UL; |
| 1023 | continue; |
| 1024 | } |
| 1025 | |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 1026 | for (i = 0; debug_levels[i].name; i++) { |
| 1027 | dl = &debug_levels[i]; |
Jens Axboe | 5e1d306 | 2008-05-23 11:55:53 +0200 | [diff] [blame] | 1028 | found = !strncmp(opt, dl->name, strlen(dl->name)); |
| 1029 | if (!found) |
| 1030 | continue; |
| 1031 | |
| 1032 | if (dl->shift == FD_JOB) { |
| 1033 | opt = strchr(opt, ':'); |
| 1034 | if (!opt) { |
| 1035 | log_err("fio: missing job number\n"); |
| 1036 | break; |
| 1037 | } |
| 1038 | opt++; |
| 1039 | fio_debug_jobno = atoi(opt); |
| 1040 | log_info("fio: set debug jobno %d\n", |
| 1041 | fio_debug_jobno); |
| 1042 | } else { |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 1043 | log_info("fio: set debug option %s\n", opt); |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 1044 | fio_debug |= (1UL << dl->shift); |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 1045 | } |
Jens Axboe | 5e1d306 | 2008-05-23 11:55:53 +0200 | [diff] [blame] | 1046 | break; |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 1047 | } |
| 1048 | |
| 1049 | if (!found) |
| 1050 | log_err("fio: debug mask %s not found\n", opt); |
| 1051 | } |
Jens Axboe | c09823a | 2008-02-19 20:16:57 +0100 | [diff] [blame] | 1052 | return 0; |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 1053 | } |
Jens Axboe | 79e48f7 | 2008-02-01 20:37:09 +0100 | [diff] [blame] | 1054 | #else |
Jens Axboe | 69b98d4 | 2008-05-30 22:25:32 +0200 | [diff] [blame] | 1055 | static int set_debug(const char *string) |
Jens Axboe | 79e48f7 | 2008-02-01 20:37:09 +0100 | [diff] [blame] | 1056 | { |
| 1057 | log_err("fio: debug tracing not included in build\n"); |
Jens Axboe | c09823a | 2008-02-19 20:16:57 +0100 | [diff] [blame] | 1058 | return 1; |
Jens Axboe | 79e48f7 | 2008-02-01 20:37:09 +0100 | [diff] [blame] | 1059 | } |
| 1060 | #endif |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 1061 | |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 1062 | static int parse_cmd_line(int argc, char *argv[]) |
| 1063 | { |
| 1064 | struct thread_data *td = NULL; |
Jens Axboe | c09823a | 2008-02-19 20:16:57 +0100 | [diff] [blame] | 1065 | int c, ini_idx = 0, lidx, ret = 0, do_exit = 0, exit_val = 0; |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 1066 | |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 1067 | while ((c = getopt_long_only(argc, argv, "", l_opts, &lidx)) != -1) { |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 1068 | switch (c) { |
Jens Axboe | 2b386d2 | 2008-03-26 10:32:57 +0100 | [diff] [blame] | 1069 | case 'a': |
| 1070 | smalloc_pool_size = atoi(optarg); |
| 1071 | break; |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 1072 | case 't': |
| 1073 | def_timeout = atoi(optarg); |
| 1074 | break; |
| 1075 | case 'l': |
| 1076 | write_lat_log = 1; |
| 1077 | break; |
| 1078 | case 'w': |
| 1079 | write_bw_log = 1; |
| 1080 | break; |
| 1081 | case 'o': |
| 1082 | f_out = fopen(optarg, "w+"); |
| 1083 | if (!f_out) { |
| 1084 | perror("fopen output"); |
| 1085 | exit(1); |
| 1086 | } |
| 1087 | f_err = f_out; |
| 1088 | break; |
| 1089 | case 'm': |
| 1090 | terse_output = 1; |
| 1091 | break; |
| 1092 | case 'h': |
Jens Axboe | 45378b3 | 2007-12-19 13:54:38 +0100 | [diff] [blame] | 1093 | usage(argv[0]); |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 1094 | exit(0); |
| 1095 | case 'c': |
| 1096 | exit(fio_show_option_help(optarg)); |
Jens Axboe | cca73aa | 2007-04-04 11:09:19 +0200 | [diff] [blame] | 1097 | case 's': |
| 1098 | dump_cmdline = 1; |
| 1099 | break; |
Jens Axboe | 724e443 | 2007-09-11 20:02:05 +0200 | [diff] [blame] | 1100 | case 'r': |
| 1101 | read_only = 1; |
| 1102 | break; |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 1103 | case 'v': |
| 1104 | printf("%s\n", fio_version_string); |
| 1105 | exit(0); |
Aaron Carroll | e592a06 | 2007-09-14 09:49:41 +0200 | [diff] [blame] | 1106 | case 'e': |
| 1107 | if (!strcmp("always", optarg)) |
| 1108 | eta_print = FIO_ETA_ALWAYS; |
| 1109 | else if (!strcmp("never", optarg)) |
| 1110 | eta_print = FIO_ETA_NEVER; |
| 1111 | break; |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 1112 | case 'd': |
Jens Axboe | c09823a | 2008-02-19 20:16:57 +0100 | [diff] [blame] | 1113 | if (set_debug(optarg)) |
| 1114 | do_exit++; |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 1115 | break; |
Jens Axboe | 01f06b6 | 2008-02-18 20:53:47 +0100 | [diff] [blame] | 1116 | case 'x': |
| 1117 | if (!strcmp(optarg, "global")) { |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 1118 | log_err("fio: can't use global as only " |
| 1119 | "section\n"); |
Jens Axboe | c09823a | 2008-02-19 20:16:57 +0100 | [diff] [blame] | 1120 | do_exit++; |
| 1121 | exit_val = 1; |
Jens Axboe | 01f06b6 | 2008-02-18 20:53:47 +0100 | [diff] [blame] | 1122 | break; |
| 1123 | } |
| 1124 | if (job_section) |
| 1125 | free(job_section); |
| 1126 | job_section = strdup(optarg); |
| 1127 | break; |
Jens Axboe | 9ac8a79 | 2009-11-13 21:23:07 +0100 | [diff] [blame] | 1128 | case 'p': |
Jens Axboe | 07b3232 | 2010-03-05 09:48:44 +0100 | [diff] [blame] | 1129 | exec_profile = strdup(optarg); |
Jens Axboe | 9ac8a79 | 2009-11-13 21:23:07 +0100 | [diff] [blame] | 1130 | break; |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 1131 | case FIO_GETOPT_JOB: { |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 1132 | const char *opt = l_opts[lidx].name; |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 1133 | char *val = optarg; |
| 1134 | |
| 1135 | if (!strncmp(opt, "name", 4) && td) { |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 1136 | ret = add_job(td, td->o.name ?: "fio", 0); |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 1137 | if (ret) { |
| 1138 | put_job(td); |
| 1139 | return 0; |
| 1140 | } |
| 1141 | td = NULL; |
| 1142 | } |
| 1143 | if (!td) { |
Jens Axboe | 01f06b6 | 2008-02-18 20:53:47 +0100 | [diff] [blame] | 1144 | int is_section = !strncmp(opt, "name", 4); |
Jens Axboe | 3106f22 | 2007-04-19 09:53:28 +0200 | [diff] [blame] | 1145 | int global = 0; |
| 1146 | |
Jens Axboe | 01f06b6 | 2008-02-18 20:53:47 +0100 | [diff] [blame] | 1147 | if (!is_section || !strncmp(val, "global", 6)) |
Jens Axboe | 3106f22 | 2007-04-19 09:53:28 +0200 | [diff] [blame] | 1148 | global = 1; |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 1149 | |
Jens Axboe | 01f06b6 | 2008-02-18 20:53:47 +0100 | [diff] [blame] | 1150 | if (is_section && skip_this_section(val)) |
| 1151 | continue; |
| 1152 | |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 1153 | td = get_new_job(global, &def_thread); |
| 1154 | if (!td) |
| 1155 | return 0; |
| 1156 | } |
| 1157 | |
| 1158 | ret = fio_cmd_option_parse(td, opt, val); |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 1159 | break; |
| 1160 | } |
| 1161 | default: |
Jens Axboe | c09823a | 2008-02-19 20:16:57 +0100 | [diff] [blame] | 1162 | do_exit++; |
| 1163 | exit_val = 1; |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 1164 | break; |
| 1165 | } |
| 1166 | } |
| 1167 | |
Jens Axboe | c09823a | 2008-02-19 20:16:57 +0100 | [diff] [blame] | 1168 | if (do_exit) |
| 1169 | exit(exit_val); |
Jens Axboe | 536582b | 2008-02-18 20:26:32 +0100 | [diff] [blame] | 1170 | |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 1171 | if (td) { |
Jens Axboe | 7d6a890 | 2008-02-18 20:59:18 +0100 | [diff] [blame] | 1172 | if (!ret) |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 1173 | ret = add_job(td, td->o.name ?: "fio", 0); |
Jens Axboe | 7d6a890 | 2008-02-18 20:59:18 +0100 | [diff] [blame] | 1174 | if (ret) |
| 1175 | put_job(td); |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 1176 | } |
| 1177 | |
| 1178 | while (optind < argc) { |
| 1179 | ini_idx++; |
| 1180 | ini_file = realloc(ini_file, ini_idx * sizeof(char *)); |
| 1181 | ini_file[ini_idx - 1] = strdup(argv[optind]); |
| 1182 | optind++; |
| 1183 | } |
| 1184 | |
| 1185 | return ini_idx; |
| 1186 | } |
| 1187 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1188 | int parse_options(int argc, char *argv[]) |
| 1189 | { |
Jens Axboe | 972cfd2 | 2006-06-09 11:08:56 +0200 | [diff] [blame] | 1190 | int job_files, i; |
| 1191 | |
Jens Axboe | b469282 | 2006-10-27 13:43:22 +0200 | [diff] [blame] | 1192 | f_out = stdout; |
| 1193 | f_err = stderr; |
| 1194 | |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 1195 | fio_options_dup_and_init(l_opts); |
Jens Axboe | b469282 | 2006-10-27 13:43:22 +0200 | [diff] [blame] | 1196 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1197 | if (setup_thread_area()) |
| 1198 | return 1; |
| 1199 | if (fill_def_thread()) |
| 1200 | return 1; |
| 1201 | |
Jens Axboe | 972cfd2 | 2006-06-09 11:08:56 +0200 | [diff] [blame] | 1202 | job_files = parse_cmd_line(argc, argv); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1203 | |
Jens Axboe | 972cfd2 | 2006-06-09 11:08:56 +0200 | [diff] [blame] | 1204 | for (i = 0; i < job_files; i++) { |
| 1205 | if (fill_def_thread()) |
| 1206 | return 1; |
Jens Axboe | 0c7e37a | 2006-06-13 14:53:38 +0200 | [diff] [blame] | 1207 | if (parse_jobs_ini(ini_file[i], i)) |
Jens Axboe | 972cfd2 | 2006-06-09 11:08:56 +0200 | [diff] [blame] | 1208 | return 1; |
Jens Axboe | 88c6ed8 | 2006-06-09 11:28:10 +0200 | [diff] [blame] | 1209 | free(ini_file[i]); |
Jens Axboe | 972cfd2 | 2006-06-09 11:08:56 +0200 | [diff] [blame] | 1210 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1211 | |
Jens Axboe | 88c6ed8 | 2006-06-09 11:28:10 +0200 | [diff] [blame] | 1212 | free(ini_file); |
Jens Axboe | d23bb32 | 2007-03-23 15:57:56 +0100 | [diff] [blame] | 1213 | options_mem_free(&def_thread); |
Jens Axboe | b469282 | 2006-10-27 13:43:22 +0200 | [diff] [blame] | 1214 | |
| 1215 | if (!thread_number) { |
Jens Axboe | cca73aa | 2007-04-04 11:09:19 +0200 | [diff] [blame] | 1216 | if (dump_cmdline) |
| 1217 | return 0; |
Jens Axboe | 07b3232 | 2010-03-05 09:48:44 +0100 | [diff] [blame] | 1218 | if (exec_profile) |
| 1219 | return 0; |
Jens Axboe | cca73aa | 2007-04-04 11:09:19 +0200 | [diff] [blame] | 1220 | |
Jens Axboe | fd4442b | 2009-06-15 23:29:54 +0200 | [diff] [blame] | 1221 | log_err("No jobs defined(s)\n\n"); |
Jens Axboe | 45378b3 | 2007-12-19 13:54:38 +0100 | [diff] [blame] | 1222 | usage(argv[0]); |
Jens Axboe | b469282 | 2006-10-27 13:43:22 +0200 | [diff] [blame] | 1223 | return 1; |
| 1224 | } |
| 1225 | |
Jens Axboe | be4ecfd | 2008-12-08 14:10:52 +0100 | [diff] [blame] | 1226 | if (def_thread.o.gtod_offload) { |
| 1227 | fio_gtod_init(); |
| 1228 | fio_gtod_offload = 1; |
| 1229 | fio_gtod_cpu = def_thread.o.gtod_cpu; |
| 1230 | } |
| 1231 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1232 | return 0; |
| 1233 | } |