Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 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 <fcntl.h> |
| 26 | #include <string.h> |
| 27 | #include <limits.h> |
| 28 | #include <signal.h> |
| 29 | #include <time.h> |
| 30 | #include <locale.h> |
| 31 | #include <assert.h> |
| 32 | #include <time.h> |
Bruce Cran | e43606c | 2012-02-20 09:34:24 +0100 | [diff] [blame] | 33 | #include <inttypes.h> |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 34 | #include <sys/stat.h> |
| 35 | #include <sys/wait.h> |
| 36 | #include <sys/ipc.h> |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 37 | #include <sys/mman.h> |
| 38 | |
| 39 | #include "fio.h" |
Oleg | a5e0ee1 | 2013-03-12 00:06:53 -0700 | [diff] [blame] | 40 | #ifndef FIO_NO_HAVE_SHM_H |
| 41 | #include <sys/shm.h> |
| 42 | #endif |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 43 | #include "hash.h" |
| 44 | #include "smalloc.h" |
| 45 | #include "verify.h" |
| 46 | #include "trim.h" |
| 47 | #include "diskutil.h" |
| 48 | #include "cgroup.h" |
| 49 | #include "profile.h" |
| 50 | #include "lib/rand.h" |
| 51 | #include "memalign.h" |
| 52 | #include "server.h" |
Jens Axboe | 44404c5 | 2013-01-24 14:20:09 -0700 | [diff] [blame] | 53 | #include "lib/getrusage.h" |
Huadong Liu | f2a2ce0 | 2013-01-30 13:22:24 +0100 | [diff] [blame] | 54 | #include "idletime.h" |
Jens Axboe | 002fe73 | 2014-02-11 08:31:13 -0700 | [diff] [blame] | 55 | #include "err.h" |
Jens Axboe | 65f93ca | 2014-07-03 14:16:25 -0600 | [diff] [blame] | 56 | #include "lib/tp.h" |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 57 | |
Jens Axboe | 7fe3631 | 2014-10-23 23:16:50 -0600 | [diff] [blame] | 58 | static pthread_t helper_thread; |
| 59 | static pthread_mutex_t helper_lock; |
| 60 | pthread_cond_t helper_cond; |
| 61 | int helper_do_stat = 0; |
Jens Axboe | 62244c9 | 2014-10-23 08:53:33 -0600 | [diff] [blame] | 62 | |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 63 | static struct fio_mutex *startup_mutex; |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 64 | static struct flist_head *cgroup_list; |
| 65 | static char *cgroup_mnt; |
| 66 | static int exit_value; |
| 67 | static volatile int fio_abort; |
Jens Axboe | 3a5f6bd | 2013-04-11 12:04:38 +0200 | [diff] [blame] | 68 | static unsigned int nr_process = 0; |
| 69 | static unsigned int nr_thread = 0; |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 70 | |
Shaohua Li | 6eaf09d | 2012-09-14 08:49:43 +0200 | [diff] [blame] | 71 | struct io_log *agg_io_log[DDIR_RWDIR_CNT]; |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 72 | |
Jens Axboe | a3efc91 | 2012-02-09 11:25:24 +0100 | [diff] [blame] | 73 | int groupid = 0; |
| 74 | unsigned int thread_number = 0; |
Jens Axboe | 108fea7 | 2012-11-14 13:09:45 -0700 | [diff] [blame] | 75 | unsigned int stat_number = 0; |
Jens Axboe | a3efc91 | 2012-02-09 11:25:24 +0100 | [diff] [blame] | 76 | int shm_id = 0; |
| 77 | int temp_stall_ts; |
| 78 | unsigned long done_secs = 0; |
Jens Axboe | 7fe3631 | 2014-10-23 23:16:50 -0600 | [diff] [blame] | 79 | volatile int helper_exit = 0; |
Jens Axboe | a3efc91 | 2012-02-09 11:25:24 +0100 | [diff] [blame] | 80 | |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 81 | #define PAGE_ALIGN(buf) \ |
Bruce Cran | e43606c | 2012-02-20 09:34:24 +0100 | [diff] [blame] | 82 | (char *) (((uintptr_t) (buf) + page_mask) & ~page_mask) |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 83 | |
| 84 | #define JOB_START_TIMEOUT (5 * 1000) |
| 85 | |
| 86 | static void sig_int(int sig) |
| 87 | { |
| 88 | if (threads) { |
| 89 | if (is_backend) |
| 90 | fio_server_got_signal(sig); |
| 91 | else { |
| 92 | log_info("\nfio: terminating on signal %d\n", sig); |
Jens Axboe | bc2e69c | 2014-10-13 11:57:15 -0600 | [diff] [blame] | 93 | log_info_flush(); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 94 | exit_value = 128; |
| 95 | } |
| 96 | |
| 97 | fio_terminate_threads(TERMINATE_ALL); |
| 98 | } |
| 99 | } |
| 100 | |
Jens Axboe | 4c6d91e | 2012-03-30 10:30:35 +0200 | [diff] [blame] | 101 | static void sig_show_status(int sig) |
| 102 | { |
| 103 | show_running_run_stats(); |
| 104 | } |
| 105 | |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 106 | static void set_sig_handlers(void) |
| 107 | { |
| 108 | struct sigaction act; |
| 109 | |
| 110 | memset(&act, 0, sizeof(act)); |
| 111 | act.sa_handler = sig_int; |
| 112 | act.sa_flags = SA_RESTART; |
| 113 | sigaction(SIGINT, &act, NULL); |
| 114 | |
| 115 | memset(&act, 0, sizeof(act)); |
| 116 | act.sa_handler = sig_int; |
| 117 | act.sa_flags = SA_RESTART; |
| 118 | sigaction(SIGTERM, &act, NULL); |
| 119 | |
Bruce Cran | 2f69450 | 2012-10-10 16:34:13 +0100 | [diff] [blame] | 120 | /* Windows uses SIGBREAK as a quit signal from other applications */ |
| 121 | #ifdef WIN32 |
| 122 | memset(&act, 0, sizeof(act)); |
| 123 | act.sa_handler = sig_int; |
| 124 | act.sa_flags = SA_RESTART; |
| 125 | sigaction(SIGBREAK, &act, NULL); |
| 126 | #endif |
| 127 | |
Jens Axboe | 4c6d91e | 2012-03-30 10:30:35 +0200 | [diff] [blame] | 128 | memset(&act, 0, sizeof(act)); |
| 129 | act.sa_handler = sig_show_status; |
| 130 | act.sa_flags = SA_RESTART; |
| 131 | sigaction(SIGUSR1, &act, NULL); |
| 132 | |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 133 | if (is_backend) { |
| 134 | memset(&act, 0, sizeof(act)); |
| 135 | act.sa_handler = sig_int; |
| 136 | act.sa_flags = SA_RESTART; |
| 137 | sigaction(SIGPIPE, &act, NULL); |
| 138 | } |
| 139 | } |
| 140 | |
| 141 | /* |
| 142 | * Check if we are above the minimum rate given. |
| 143 | */ |
| 144 | static int __check_min_rate(struct thread_data *td, struct timeval *now, |
| 145 | enum fio_ddir ddir) |
| 146 | { |
| 147 | unsigned long long bytes = 0; |
| 148 | unsigned long iops = 0; |
| 149 | unsigned long spent; |
| 150 | unsigned long rate; |
| 151 | unsigned int ratemin = 0; |
| 152 | unsigned int rate_iops = 0; |
| 153 | unsigned int rate_iops_min = 0; |
| 154 | |
| 155 | assert(ddir_rw(ddir)); |
| 156 | |
| 157 | if (!td->o.ratemin[ddir] && !td->o.rate_iops_min[ddir]) |
| 158 | return 0; |
| 159 | |
| 160 | /* |
| 161 | * allow a 2 second settle period in the beginning |
| 162 | */ |
| 163 | if (mtime_since(&td->start, now) < 2000) |
| 164 | return 0; |
| 165 | |
| 166 | iops += td->this_io_blocks[ddir]; |
| 167 | bytes += td->this_io_bytes[ddir]; |
| 168 | ratemin += td->o.ratemin[ddir]; |
| 169 | rate_iops += td->o.rate_iops[ddir]; |
| 170 | rate_iops_min += td->o.rate_iops_min[ddir]; |
| 171 | |
| 172 | /* |
| 173 | * if rate blocks is set, sample is running |
| 174 | */ |
| 175 | if (td->rate_bytes[ddir] || td->rate_blocks[ddir]) { |
| 176 | spent = mtime_since(&td->lastrate[ddir], now); |
| 177 | if (spent < td->o.ratecycle) |
| 178 | return 0; |
| 179 | |
| 180 | if (td->o.rate[ddir]) { |
| 181 | /* |
| 182 | * check bandwidth specified rate |
| 183 | */ |
| 184 | if (bytes < td->rate_bytes[ddir]) { |
| 185 | log_err("%s: min rate %u not met\n", td->o.name, |
| 186 | ratemin); |
| 187 | return 1; |
| 188 | } else { |
Jens Axboe | 49cba9b | 2014-04-14 09:51:10 -0600 | [diff] [blame] | 189 | if (spent) |
| 190 | rate = ((bytes - td->rate_bytes[ddir]) * 1000) / spent; |
| 191 | else |
| 192 | rate = 0; |
| 193 | |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 194 | if (rate < ratemin || |
| 195 | bytes < td->rate_bytes[ddir]) { |
| 196 | log_err("%s: min rate %u not met, got" |
| 197 | " %luKB/sec\n", td->o.name, |
| 198 | ratemin, rate); |
| 199 | return 1; |
| 200 | } |
| 201 | } |
| 202 | } else { |
| 203 | /* |
| 204 | * checks iops specified rate |
| 205 | */ |
| 206 | if (iops < rate_iops) { |
| 207 | log_err("%s: min iops rate %u not met\n", |
| 208 | td->o.name, rate_iops); |
| 209 | return 1; |
| 210 | } else { |
Jens Axboe | 4c707a3 | 2014-04-15 08:26:57 -0600 | [diff] [blame] | 211 | if (spent) |
| 212 | rate = ((iops - td->rate_blocks[ddir]) * 1000) / spent; |
| 213 | else |
| 214 | rate = 0; |
| 215 | |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 216 | if (rate < rate_iops_min || |
| 217 | iops < td->rate_blocks[ddir]) { |
| 218 | log_err("%s: min iops rate %u not met," |
| 219 | " got %lu\n", td->o.name, |
| 220 | rate_iops_min, rate); |
| 221 | } |
| 222 | } |
| 223 | } |
| 224 | } |
| 225 | |
| 226 | td->rate_bytes[ddir] = bytes; |
| 227 | td->rate_blocks[ddir] = iops; |
| 228 | memcpy(&td->lastrate[ddir], now, sizeof(*now)); |
| 229 | return 0; |
| 230 | } |
| 231 | |
| 232 | static int check_min_rate(struct thread_data *td, struct timeval *now, |
Jens Axboe | 100f49f | 2013-01-23 10:15:57 -0700 | [diff] [blame] | 233 | uint64_t *bytes_done) |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 234 | { |
| 235 | int ret = 0; |
| 236 | |
Shaohua Li | 6eaf09d | 2012-09-14 08:49:43 +0200 | [diff] [blame] | 237 | if (bytes_done[DDIR_READ]) |
| 238 | ret |= __check_min_rate(td, now, DDIR_READ); |
| 239 | if (bytes_done[DDIR_WRITE]) |
| 240 | ret |= __check_min_rate(td, now, DDIR_WRITE); |
| 241 | if (bytes_done[DDIR_TRIM]) |
| 242 | ret |= __check_min_rate(td, now, DDIR_TRIM); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 243 | |
| 244 | return ret; |
| 245 | } |
| 246 | |
| 247 | /* |
| 248 | * When job exits, we can cancel the in-flight IO if we are using async |
| 249 | * io. Attempt to do so. |
| 250 | */ |
| 251 | static void cleanup_pending_aio(struct thread_data *td) |
| 252 | { |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 253 | int r; |
| 254 | |
| 255 | /* |
| 256 | * get immediately available events, if any |
| 257 | */ |
| 258 | r = io_u_queued_complete(td, 0, NULL); |
| 259 | if (r < 0) |
| 260 | return; |
| 261 | |
| 262 | /* |
| 263 | * now cancel remaining active events |
| 264 | */ |
| 265 | if (td->io_ops->cancel) { |
Jens Axboe | 2ae0b20 | 2013-05-28 14:16:55 +0200 | [diff] [blame] | 266 | struct io_u *io_u; |
| 267 | int i; |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 268 | |
Jens Axboe | 2ae0b20 | 2013-05-28 14:16:55 +0200 | [diff] [blame] | 269 | io_u_qiter(&td->io_u_all, io_u, i) { |
| 270 | if (io_u->flags & IO_U_F_FLIGHT) { |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 271 | r = td->io_ops->cancel(td, io_u); |
| 272 | if (!r) |
| 273 | put_io_u(td, io_u); |
| 274 | } |
| 275 | } |
| 276 | } |
| 277 | |
| 278 | if (td->cur_depth) |
| 279 | r = io_u_queued_complete(td, td->cur_depth, NULL); |
| 280 | } |
| 281 | |
| 282 | /* |
| 283 | * Helper to handle the final sync of a file. Works just like the normal |
| 284 | * io path, just does everything sync. |
| 285 | */ |
| 286 | static int fio_io_sync(struct thread_data *td, struct fio_file *f) |
| 287 | { |
| 288 | struct io_u *io_u = __get_io_u(td); |
| 289 | int ret; |
| 290 | |
| 291 | if (!io_u) |
| 292 | return 1; |
| 293 | |
| 294 | io_u->ddir = DDIR_SYNC; |
| 295 | io_u->file = f; |
| 296 | |
| 297 | if (td_io_prep(td, io_u)) { |
| 298 | put_io_u(td, io_u); |
| 299 | return 1; |
| 300 | } |
| 301 | |
| 302 | requeue: |
| 303 | ret = td_io_queue(td, io_u); |
| 304 | if (ret < 0) { |
| 305 | td_verror(td, io_u->error, "td_io_queue"); |
| 306 | put_io_u(td, io_u); |
| 307 | return 1; |
| 308 | } else if (ret == FIO_Q_QUEUED) { |
| 309 | if (io_u_queued_complete(td, 1, NULL) < 0) |
| 310 | return 1; |
| 311 | } else if (ret == FIO_Q_COMPLETED) { |
| 312 | if (io_u->error) { |
| 313 | td_verror(td, io_u->error, "td_io_queue"); |
| 314 | return 1; |
| 315 | } |
| 316 | |
| 317 | if (io_u_sync_complete(td, io_u, NULL) < 0) |
| 318 | return 1; |
| 319 | } else if (ret == FIO_Q_BUSY) { |
| 320 | if (td_io_commit(td)) |
| 321 | return 1; |
| 322 | goto requeue; |
| 323 | } |
| 324 | |
| 325 | return 0; |
| 326 | } |
Jens Axboe | a3efc91 | 2012-02-09 11:25:24 +0100 | [diff] [blame] | 327 | |
Jens Axboe | 61ee0f8 | 2013-02-11 11:26:55 +0100 | [diff] [blame] | 328 | static int fio_file_fsync(struct thread_data *td, struct fio_file *f) |
| 329 | { |
| 330 | int ret; |
| 331 | |
| 332 | if (fio_file_open(f)) |
| 333 | return fio_io_sync(td, f); |
| 334 | |
| 335 | if (td_io_open_file(td, f)) |
| 336 | return 1; |
| 337 | |
| 338 | ret = fio_io_sync(td, f); |
| 339 | td_io_close_file(td, f); |
| 340 | return ret; |
| 341 | } |
| 342 | |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 343 | static inline void __update_tv_cache(struct thread_data *td) |
| 344 | { |
| 345 | fio_gettime(&td->tv_cache, NULL); |
| 346 | } |
| 347 | |
| 348 | static inline void update_tv_cache(struct thread_data *td) |
| 349 | { |
| 350 | if ((++td->tv_cache_nr & td->tv_cache_mask) == td->tv_cache_mask) |
| 351 | __update_tv_cache(td); |
| 352 | } |
| 353 | |
| 354 | static inline int runtime_exceeded(struct thread_data *td, struct timeval *t) |
| 355 | { |
| 356 | if (in_ramp_time(td)) |
| 357 | return 0; |
| 358 | if (!td->o.timeout) |
| 359 | return 0; |
Jens Axboe | 0de5b26 | 2014-02-21 15:26:01 -0800 | [diff] [blame] | 360 | if (utime_since(&td->epoch, t) >= td->o.timeout) |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 361 | return 1; |
| 362 | |
| 363 | return 0; |
| 364 | } |
| 365 | |
| 366 | static int break_on_this_error(struct thread_data *td, enum fio_ddir ddir, |
| 367 | int *retptr) |
| 368 | { |
| 369 | int ret = *retptr; |
| 370 | |
| 371 | if (ret < 0 || td->error) { |
Dmitry Monakhov | 8b28bd4 | 2012-09-23 15:46:09 +0400 | [diff] [blame] | 372 | int err = td->error; |
| 373 | enum error_type_bit eb; |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 374 | |
| 375 | if (ret < 0) |
| 376 | err = -ret; |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 377 | |
Dmitry Monakhov | 8b28bd4 | 2012-09-23 15:46:09 +0400 | [diff] [blame] | 378 | eb = td_error_type(ddir, err); |
| 379 | if (!(td->o.continue_on_error & (1 << eb))) |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 380 | return 1; |
| 381 | |
Dmitry Monakhov | 8b28bd4 | 2012-09-23 15:46:09 +0400 | [diff] [blame] | 382 | if (td_non_fatal_error(td, eb, err)) { |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 383 | /* |
| 384 | * Continue with the I/Os in case of |
| 385 | * a non fatal error. |
| 386 | */ |
| 387 | update_error_count(td, err); |
| 388 | td_clear_error(td); |
| 389 | *retptr = 0; |
| 390 | return 0; |
| 391 | } else if (td->o.fill_device && err == ENOSPC) { |
| 392 | /* |
| 393 | * We expect to hit this error if |
| 394 | * fill_device option is set. |
| 395 | */ |
| 396 | td_clear_error(td); |
Jens Axboe | 3b44e8b | 2014-07-09 11:24:12 +0200 | [diff] [blame] | 397 | fio_mark_td_terminate(td); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 398 | return 1; |
| 399 | } else { |
| 400 | /* |
| 401 | * Stop the I/O in case of a fatal |
| 402 | * error. |
| 403 | */ |
| 404 | update_error_count(td, err); |
| 405 | return 1; |
| 406 | } |
| 407 | } |
| 408 | |
| 409 | return 0; |
| 410 | } |
| 411 | |
Jens Axboe | c97f1ad | 2013-03-28 15:08:49 -0600 | [diff] [blame] | 412 | static void check_update_rusage(struct thread_data *td) |
| 413 | { |
| 414 | if (td->update_rusage) { |
| 415 | td->update_rusage = 0; |
| 416 | update_rusage_stat(td); |
| 417 | fio_mutex_up(td->rusage_sem); |
| 418 | } |
| 419 | } |
| 420 | |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 421 | /* |
| 422 | * The main verify engine. Runs over the writes we previously submitted, |
| 423 | * reads the blocks back in, and checks the crc/md5 of the data. |
| 424 | */ |
Jens Axboe | 100f49f | 2013-01-23 10:15:57 -0700 | [diff] [blame] | 425 | static void do_verify(struct thread_data *td, uint64_t verify_bytes) |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 426 | { |
Jens Axboe | 100f49f | 2013-01-23 10:15:57 -0700 | [diff] [blame] | 427 | uint64_t bytes_done[DDIR_RWDIR_CNT] = { 0, 0, 0 }; |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 428 | struct fio_file *f; |
| 429 | struct io_u *io_u; |
| 430 | int ret, min_events; |
| 431 | unsigned int i; |
| 432 | |
| 433 | dprint(FD_VERIFY, "starting loop\n"); |
| 434 | |
| 435 | /* |
| 436 | * sync io first and invalidate cache, to make sure we really |
| 437 | * read from disk. |
| 438 | */ |
| 439 | for_each_file(td, f, i) { |
| 440 | if (!fio_file_open(f)) |
| 441 | continue; |
| 442 | if (fio_io_sync(td, f)) |
| 443 | break; |
| 444 | if (file_invalidate_cache(td, f)) |
| 445 | break; |
| 446 | } |
| 447 | |
Jens Axboe | c97f1ad | 2013-03-28 15:08:49 -0600 | [diff] [blame] | 448 | check_update_rusage(td); |
| 449 | |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 450 | if (td->error) |
| 451 | return; |
| 452 | |
| 453 | td_set_runstate(td, TD_VERIFYING); |
| 454 | |
| 455 | io_u = NULL; |
| 456 | while (!td->terminate) { |
Jens Axboe | fbccf46 | 2013-01-08 21:02:14 +0100 | [diff] [blame] | 457 | enum fio_ddir ddir; |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 458 | int ret2, full; |
| 459 | |
| 460 | update_tv_cache(td); |
Jens Axboe | c97f1ad | 2013-03-28 15:08:49 -0600 | [diff] [blame] | 461 | check_update_rusage(td); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 462 | |
| 463 | if (runtime_exceeded(td, &td->tv_cache)) { |
| 464 | __update_tv_cache(td); |
| 465 | if (runtime_exceeded(td, &td->tv_cache)) { |
Jens Axboe | 3b44e8b | 2014-07-09 11:24:12 +0200 | [diff] [blame] | 466 | fio_mark_td_terminate(td); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 467 | break; |
| 468 | } |
| 469 | } |
| 470 | |
Dan Ehrenberg | 9e684a4 | 2012-02-20 11:05:14 +0100 | [diff] [blame] | 471 | if (flow_threshold_exceeded(td)) |
| 472 | continue; |
| 473 | |
Jens Axboe | 44cbc6d | 2013-01-21 09:47:03 -0700 | [diff] [blame] | 474 | if (!td->o.experimental_verify) { |
| 475 | io_u = __get_io_u(td); |
| 476 | if (!io_u) |
| 477 | break; |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 478 | |
Jens Axboe | 44cbc6d | 2013-01-21 09:47:03 -0700 | [diff] [blame] | 479 | if (get_next_verify(td, io_u)) { |
| 480 | put_io_u(td, io_u); |
| 481 | break; |
| 482 | } |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 483 | |
Jens Axboe | 44cbc6d | 2013-01-21 09:47:03 -0700 | [diff] [blame] | 484 | if (td_io_prep(td, io_u)) { |
| 485 | put_io_u(td, io_u); |
| 486 | break; |
| 487 | } |
| 488 | } else { |
Jens Axboe | 100f49f | 2013-01-23 10:15:57 -0700 | [diff] [blame] | 489 | if (ddir_rw_sum(bytes_done) + td->o.rw_min_bs > verify_bytes) |
| 490 | break; |
| 491 | |
Jens Axboe | bcd5abf | 2013-01-23 09:27:25 -0700 | [diff] [blame] | 492 | while ((io_u = get_io_u(td)) != NULL) { |
Jens Axboe | 002fe73 | 2014-02-11 08:31:13 -0700 | [diff] [blame] | 493 | if (IS_ERR(io_u)) { |
| 494 | io_u = NULL; |
| 495 | ret = FIO_Q_BUSY; |
| 496 | goto reap; |
| 497 | } |
| 498 | |
Jens Axboe | bcd5abf | 2013-01-23 09:27:25 -0700 | [diff] [blame] | 499 | /* |
| 500 | * We are only interested in the places where |
| 501 | * we wrote or trimmed IOs. Turn those into |
| 502 | * reads for verification purposes. |
| 503 | */ |
| 504 | if (io_u->ddir == DDIR_READ) { |
| 505 | /* |
| 506 | * Pretend we issued it for rwmix |
| 507 | * accounting |
| 508 | */ |
| 509 | td->io_issues[DDIR_READ]++; |
| 510 | put_io_u(td, io_u); |
| 511 | continue; |
| 512 | } else if (io_u->ddir == DDIR_TRIM) { |
| 513 | io_u->ddir = DDIR_READ; |
| 514 | io_u->flags |= IO_U_F_TRIMMED; |
| 515 | break; |
| 516 | } else if (io_u->ddir == DDIR_WRITE) { |
| 517 | io_u->ddir = DDIR_READ; |
| 518 | break; |
| 519 | } else { |
| 520 | put_io_u(td, io_u); |
| 521 | continue; |
| 522 | } |
| 523 | } |
Jens Axboe | 44cbc6d | 2013-01-21 09:47:03 -0700 | [diff] [blame] | 524 | |
Jens Axboe | bcd5abf | 2013-01-23 09:27:25 -0700 | [diff] [blame] | 525 | if (!io_u) |
Jens Axboe | 44cbc6d | 2013-01-21 09:47:03 -0700 | [diff] [blame] | 526 | break; |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 527 | } |
| 528 | |
Jens Axboe | de54cfd | 2014-11-10 20:34:00 -0700 | [diff] [blame] | 529 | if (verify_state_should_stop(td, io_u)) { |
| 530 | put_io_u(td, io_u); |
| 531 | break; |
| 532 | } |
| 533 | |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 534 | if (td->o.verify_async) |
| 535 | io_u->end_io = verify_io_u_async; |
| 536 | else |
| 537 | io_u->end_io = verify_io_u; |
| 538 | |
Jens Axboe | fbccf46 | 2013-01-08 21:02:14 +0100 | [diff] [blame] | 539 | ddir = io_u->ddir; |
| 540 | |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 541 | ret = td_io_queue(td, io_u); |
| 542 | switch (ret) { |
| 543 | case FIO_Q_COMPLETED: |
| 544 | if (io_u->error) { |
| 545 | ret = -io_u->error; |
| 546 | clear_io_u(td, io_u); |
| 547 | } else if (io_u->resid) { |
| 548 | int bytes = io_u->xfer_buflen - io_u->resid; |
| 549 | |
| 550 | /* |
| 551 | * zero read, fail |
| 552 | */ |
| 553 | if (!bytes) { |
| 554 | td_verror(td, EIO, "full resid"); |
| 555 | put_io_u(td, io_u); |
| 556 | break; |
| 557 | } |
| 558 | |
| 559 | io_u->xfer_buflen = io_u->resid; |
| 560 | io_u->xfer_buf += bytes; |
| 561 | io_u->offset += bytes; |
| 562 | |
| 563 | if (ddir_rw(io_u->ddir)) |
| 564 | td->ts.short_io_u[io_u->ddir]++; |
| 565 | |
| 566 | f = io_u->file; |
| 567 | if (io_u->offset == f->real_file_size) |
| 568 | goto sync_done; |
| 569 | |
| 570 | requeue_io_u(td, &io_u); |
| 571 | } else { |
| 572 | sync_done: |
Jens Axboe | 100f49f | 2013-01-23 10:15:57 -0700 | [diff] [blame] | 573 | ret = io_u_sync_complete(td, io_u, bytes_done); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 574 | if (ret < 0) |
| 575 | break; |
| 576 | } |
| 577 | continue; |
| 578 | case FIO_Q_QUEUED: |
| 579 | break; |
| 580 | case FIO_Q_BUSY: |
| 581 | requeue_io_u(td, &io_u); |
| 582 | ret2 = td_io_commit(td); |
| 583 | if (ret2 < 0) |
| 584 | ret = ret2; |
| 585 | break; |
| 586 | default: |
| 587 | assert(ret < 0); |
| 588 | td_verror(td, -ret, "td_io_queue"); |
| 589 | break; |
| 590 | } |
| 591 | |
Jens Axboe | fbccf46 | 2013-01-08 21:02:14 +0100 | [diff] [blame] | 592 | if (break_on_this_error(td, ddir, &ret)) |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 593 | break; |
| 594 | |
| 595 | /* |
| 596 | * if we can queue more, do so. but check if there are |
| 597 | * completed io_u's first. Note that we can get BUSY even |
| 598 | * without IO queued, if the system is resource starved. |
| 599 | */ |
Jens Axboe | 002fe73 | 2014-02-11 08:31:13 -0700 | [diff] [blame] | 600 | reap: |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 601 | full = queue_full(td) || (ret == FIO_Q_BUSY && td->cur_depth); |
| 602 | if (full || !td->o.iodepth_batch_complete) { |
| 603 | min_events = min(td->o.iodepth_batch_complete, |
| 604 | td->cur_depth); |
Jens Axboe | 8a74b56 | 2012-03-16 13:55:50 +0100 | [diff] [blame] | 605 | /* |
| 606 | * if the queue is full, we MUST reap at least 1 event |
| 607 | */ |
| 608 | if (full && !min_events) |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 609 | min_events = 1; |
| 610 | |
| 611 | do { |
| 612 | /* |
| 613 | * Reap required number of io units, if any, |
| 614 | * and do the verification on them through |
| 615 | * the callback handler |
| 616 | */ |
Jens Axboe | 100f49f | 2013-01-23 10:15:57 -0700 | [diff] [blame] | 617 | if (io_u_queued_complete(td, min_events, bytes_done) < 0) { |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 618 | ret = -1; |
| 619 | break; |
| 620 | } |
| 621 | } while (full && (td->cur_depth > td->o.iodepth_low)); |
| 622 | } |
| 623 | if (ret < 0) |
| 624 | break; |
| 625 | } |
| 626 | |
Jens Axboe | c97f1ad | 2013-03-28 15:08:49 -0600 | [diff] [blame] | 627 | check_update_rusage(td); |
| 628 | |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 629 | if (!td->error) { |
| 630 | min_events = td->cur_depth; |
| 631 | |
| 632 | if (min_events) |
| 633 | ret = io_u_queued_complete(td, min_events, NULL); |
| 634 | } else |
| 635 | cleanup_pending_aio(td); |
| 636 | |
| 637 | td_set_runstate(td, TD_RUNNING); |
| 638 | |
| 639 | dprint(FD_VERIFY, "exiting loop\n"); |
| 640 | } |
| 641 | |
Jens Axboe | 3939fe8 | 2014-03-11 20:16:38 -0600 | [diff] [blame] | 642 | static unsigned int exceeds_number_ios(struct thread_data *td) |
| 643 | { |
| 644 | unsigned long long number_ios; |
| 645 | |
| 646 | if (!td->o.number_ios) |
| 647 | return 0; |
| 648 | |
| 649 | number_ios = ddir_rw_sum(td->this_io_blocks); |
| 650 | number_ios += td->io_u_queued + td->io_u_in_flight; |
| 651 | |
| 652 | return number_ios >= td->o.number_ios; |
| 653 | } |
| 654 | |
Jens Axboe | f7078f7 | 2012-03-07 09:24:05 +0100 | [diff] [blame] | 655 | static int io_bytes_exceeded(struct thread_data *td) |
| 656 | { |
Jens Axboe | 77731b2 | 2014-04-28 12:08:47 -0600 | [diff] [blame] | 657 | unsigned long long bytes, limit; |
Jens Axboe | f7078f7 | 2012-03-07 09:24:05 +0100 | [diff] [blame] | 658 | |
| 659 | if (td_rw(td)) |
Shaohua Li | 6eaf09d | 2012-09-14 08:49:43 +0200 | [diff] [blame] | 660 | bytes = td->this_io_bytes[DDIR_READ] + td->this_io_bytes[DDIR_WRITE]; |
Jens Axboe | f7078f7 | 2012-03-07 09:24:05 +0100 | [diff] [blame] | 661 | else if (td_write(td)) |
Shaohua Li | 6eaf09d | 2012-09-14 08:49:43 +0200 | [diff] [blame] | 662 | bytes = td->this_io_bytes[DDIR_WRITE]; |
| 663 | else if (td_read(td)) |
| 664 | bytes = td->this_io_bytes[DDIR_READ]; |
Jens Axboe | f7078f7 | 2012-03-07 09:24:05 +0100 | [diff] [blame] | 665 | else |
Shaohua Li | 6eaf09d | 2012-09-14 08:49:43 +0200 | [diff] [blame] | 666 | bytes = td->this_io_bytes[DDIR_TRIM]; |
Jens Axboe | f7078f7 | 2012-03-07 09:24:05 +0100 | [diff] [blame] | 667 | |
Jens Axboe | 77731b2 | 2014-04-28 12:08:47 -0600 | [diff] [blame] | 668 | if (td->o.io_limit) |
| 669 | limit = td->o.io_limit; |
| 670 | else |
| 671 | limit = td->o.size; |
| 672 | |
| 673 | return bytes >= limit || exceeds_number_ios(td); |
Jens Axboe | f7078f7 | 2012-03-07 09:24:05 +0100 | [diff] [blame] | 674 | } |
| 675 | |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 676 | /* |
| 677 | * Main IO worker function. It retrieves io_u's to process and queues |
| 678 | * and reaps them, checking for rate and errors along the way. |
Jens Axboe | 100f49f | 2013-01-23 10:15:57 -0700 | [diff] [blame] | 679 | * |
| 680 | * Returns number of bytes written and trimmed. |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 681 | */ |
Jens Axboe | 100f49f | 2013-01-23 10:15:57 -0700 | [diff] [blame] | 682 | static uint64_t do_io(struct thread_data *td) |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 683 | { |
Jens Axboe | 100f49f | 2013-01-23 10:15:57 -0700 | [diff] [blame] | 684 | uint64_t bytes_done[DDIR_RWDIR_CNT] = { 0, 0, 0 }; |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 685 | unsigned int i; |
| 686 | int ret = 0; |
Jens Axboe | c2703bf | 2014-02-05 12:36:02 -0700 | [diff] [blame] | 687 | uint64_t total_bytes, bytes_issued = 0; |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 688 | |
| 689 | if (in_ramp_time(td)) |
| 690 | td_set_runstate(td, TD_RAMP); |
| 691 | else |
| 692 | td_set_runstate(td, TD_RUNNING); |
| 693 | |
Jens Axboe | 3e260a4 | 2013-12-09 12:38:53 -0700 | [diff] [blame] | 694 | lat_target_init(td); |
| 695 | |
Jens Axboe | 78a6469 | 2014-02-05 13:15:22 -0700 | [diff] [blame] | 696 | /* |
| 697 | * If verify_backlog is enabled, we'll run the verify in this |
| 698 | * handler as well. For that case, we may need up to twice the |
| 699 | * amount of bytes. |
| 700 | */ |
Jens Axboe | c2703bf | 2014-02-05 12:36:02 -0700 | [diff] [blame] | 701 | total_bytes = td->o.size; |
Jens Axboe | 78a6469 | 2014-02-05 13:15:22 -0700 | [diff] [blame] | 702 | if (td->o.verify != VERIFY_NONE && |
| 703 | (td_write(td) && td->o.verify_backlog)) |
Jens Axboe | c2703bf | 2014-02-05 12:36:02 -0700 | [diff] [blame] | 704 | total_bytes += td->o.size; |
| 705 | |
Jens Axboe | f7078f7 | 2012-03-07 09:24:05 +0100 | [diff] [blame] | 706 | while ((td->o.read_iolog_file && !flist_empty(&td->io_log_list)) || |
Daniel Ehrenberg | c04e466 | 2012-03-16 18:54:15 +0100 | [diff] [blame] | 707 | (!flist_empty(&td->trim_list)) || !io_bytes_exceeded(td) || |
| 708 | td->o.time_based) { |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 709 | struct timeval comp_time; |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 710 | int min_evts = 0; |
| 711 | struct io_u *io_u; |
| 712 | int ret2, full; |
| 713 | enum fio_ddir ddir; |
| 714 | |
Jens Axboe | c97f1ad | 2013-03-28 15:08:49 -0600 | [diff] [blame] | 715 | check_update_rusage(td); |
| 716 | |
Yufei Ren | 7d7803f | 2012-10-22 21:29:38 -0400 | [diff] [blame] | 717 | if (td->terminate || td->done) |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 718 | break; |
| 719 | |
| 720 | update_tv_cache(td); |
| 721 | |
| 722 | if (runtime_exceeded(td, &td->tv_cache)) { |
| 723 | __update_tv_cache(td); |
| 724 | if (runtime_exceeded(td, &td->tv_cache)) { |
Jens Axboe | 3b44e8b | 2014-07-09 11:24:12 +0200 | [diff] [blame] | 725 | fio_mark_td_terminate(td); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 726 | break; |
| 727 | } |
| 728 | } |
| 729 | |
Dan Ehrenberg | 9e684a4 | 2012-02-20 11:05:14 +0100 | [diff] [blame] | 730 | if (flow_threshold_exceeded(td)) |
| 731 | continue; |
| 732 | |
Jens Axboe | c2703bf | 2014-02-05 12:36:02 -0700 | [diff] [blame] | 733 | if (bytes_issued >= total_bytes) |
Juan Casse | 20876c5 | 2013-09-16 09:22:10 -0700 | [diff] [blame] | 734 | break; |
| 735 | |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 736 | io_u = get_io_u(td); |
Jens Axboe | 002fe73 | 2014-02-11 08:31:13 -0700 | [diff] [blame] | 737 | if (IS_ERR_OR_NULL(io_u)) { |
| 738 | int err = PTR_ERR(io_u); |
| 739 | |
| 740 | io_u = NULL; |
| 741 | if (err == -EBUSY) { |
| 742 | ret = FIO_Q_BUSY; |
| 743 | goto reap; |
| 744 | } |
Jens Axboe | 3e260a4 | 2013-12-09 12:38:53 -0700 | [diff] [blame] | 745 | if (td->o.latency_target) |
| 746 | goto reap; |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 747 | break; |
Jens Axboe | 3e260a4 | 2013-12-09 12:38:53 -0700 | [diff] [blame] | 748 | } |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 749 | |
| 750 | ddir = io_u->ddir; |
| 751 | |
| 752 | /* |
Jens Axboe | 82af2a7 | 2012-03-13 13:45:58 +0100 | [diff] [blame] | 753 | * Add verification end_io handler if: |
| 754 | * - Asked to verify (!td_rw(td)) |
| 755 | * - Or the io_u is from our verify list (mixed write/ver) |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 756 | */ |
| 757 | if (td->o.verify != VERIFY_NONE && io_u->ddir == DDIR_READ && |
Jens Axboe | 82af2a7 | 2012-03-13 13:45:58 +0100 | [diff] [blame] | 758 | ((io_u->flags & IO_U_F_VER_LIST) || !td_rw(td))) { |
Puthikorn Voravootivat | c4b6117 | 2014-02-05 10:17:11 -0700 | [diff] [blame] | 759 | |
| 760 | if (!td->o.verify_pattern_bytes) { |
Jens Axboe | f678701 | 2014-11-05 18:39:23 -0700 | [diff] [blame] | 761 | io_u->rand_seed = __rand(&td->verify_state); |
Puthikorn Voravootivat | c4b6117 | 2014-02-05 10:17:11 -0700 | [diff] [blame] | 762 | if (sizeof(int) != sizeof(long *)) |
Jens Axboe | f678701 | 2014-11-05 18:39:23 -0700 | [diff] [blame] | 763 | io_u->rand_seed *= __rand(&td->verify_state); |
Puthikorn Voravootivat | c4b6117 | 2014-02-05 10:17:11 -0700 | [diff] [blame] | 764 | } |
| 765 | |
Jens Axboe | de54cfd | 2014-11-10 20:34:00 -0700 | [diff] [blame] | 766 | if (verify_state_should_stop(td, io_u)) { |
| 767 | put_io_u(td, io_u); |
| 768 | break; |
| 769 | } |
| 770 | |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 771 | if (td->o.verify_async) |
| 772 | io_u->end_io = verify_io_u_async; |
| 773 | else |
| 774 | io_u->end_io = verify_io_u; |
| 775 | td_set_runstate(td, TD_VERIFYING); |
| 776 | } else if (in_ramp_time(td)) |
| 777 | td_set_runstate(td, TD_RAMP); |
| 778 | else |
| 779 | td_set_runstate(td, TD_RUNNING); |
| 780 | |
Puthikorn Voravootivat | 9a50c5c | 2014-02-05 10:28:15 -0800 | [diff] [blame] | 781 | /* |
Jens Axboe | f940128 | 2014-02-06 12:17:37 -0700 | [diff] [blame] | 782 | * Always log IO before it's issued, so we know the specific |
| 783 | * order of it. The logged unit will track when the IO has |
| 784 | * completed. |
Puthikorn Voravootivat | 9a50c5c | 2014-02-05 10:28:15 -0800 | [diff] [blame] | 785 | */ |
Puthikorn Voravootivat | c4b6117 | 2014-02-05 10:17:11 -0700 | [diff] [blame] | 786 | if (td_write(td) && io_u->ddir == DDIR_WRITE && |
| 787 | td->o.do_verify && |
| 788 | td->o.verify != VERIFY_NONE && |
Jens Axboe | f940128 | 2014-02-06 12:17:37 -0700 | [diff] [blame] | 789 | !td->o.experimental_verify) |
Puthikorn Voravootivat | c4b6117 | 2014-02-05 10:17:11 -0700 | [diff] [blame] | 790 | log_io_piece(td, io_u); |
| 791 | |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 792 | ret = td_io_queue(td, io_u); |
| 793 | switch (ret) { |
| 794 | case FIO_Q_COMPLETED: |
| 795 | if (io_u->error) { |
| 796 | ret = -io_u->error; |
Jens Axboe | 890b665 | 2014-05-06 19:06:51 -0600 | [diff] [blame] | 797 | unlog_io_piece(td, io_u); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 798 | clear_io_u(td, io_u); |
| 799 | } else if (io_u->resid) { |
| 800 | int bytes = io_u->xfer_buflen - io_u->resid; |
| 801 | struct fio_file *f = io_u->file; |
| 802 | |
Juan Casse | 20876c5 | 2013-09-16 09:22:10 -0700 | [diff] [blame] | 803 | bytes_issued += bytes; |
Jens Axboe | 890b665 | 2014-05-06 19:06:51 -0600 | [diff] [blame] | 804 | |
| 805 | trim_io_piece(td, io_u); |
| 806 | |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 807 | /* |
| 808 | * zero read, fail |
| 809 | */ |
| 810 | if (!bytes) { |
Jens Axboe | 890b665 | 2014-05-06 19:06:51 -0600 | [diff] [blame] | 811 | unlog_io_piece(td, io_u); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 812 | td_verror(td, EIO, "full resid"); |
| 813 | put_io_u(td, io_u); |
| 814 | break; |
| 815 | } |
| 816 | |
| 817 | io_u->xfer_buflen = io_u->resid; |
| 818 | io_u->xfer_buf += bytes; |
| 819 | io_u->offset += bytes; |
| 820 | |
| 821 | if (ddir_rw(io_u->ddir)) |
| 822 | td->ts.short_io_u[io_u->ddir]++; |
| 823 | |
| 824 | if (io_u->offset == f->real_file_size) |
| 825 | goto sync_done; |
| 826 | |
| 827 | requeue_io_u(td, &io_u); |
| 828 | } else { |
| 829 | sync_done: |
Shaohua Li | 6eaf09d | 2012-09-14 08:49:43 +0200 | [diff] [blame] | 830 | if (__should_check_rate(td, DDIR_READ) || |
| 831 | __should_check_rate(td, DDIR_WRITE) || |
| 832 | __should_check_rate(td, DDIR_TRIM)) |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 833 | fio_gettime(&comp_time, NULL); |
| 834 | |
| 835 | ret = io_u_sync_complete(td, io_u, bytes_done); |
| 836 | if (ret < 0) |
| 837 | break; |
Juan Casse | 20876c5 | 2013-09-16 09:22:10 -0700 | [diff] [blame] | 838 | bytes_issued += io_u->xfer_buflen; |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 839 | } |
| 840 | break; |
| 841 | case FIO_Q_QUEUED: |
| 842 | /* |
| 843 | * if the engine doesn't have a commit hook, |
| 844 | * the io_u is really queued. if it does have such |
| 845 | * a hook, it has to call io_u_queued() itself. |
| 846 | */ |
| 847 | if (td->io_ops->commit == NULL) |
| 848 | io_u_queued(td, io_u); |
Juan Casse | 20876c5 | 2013-09-16 09:22:10 -0700 | [diff] [blame] | 849 | bytes_issued += io_u->xfer_buflen; |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 850 | break; |
| 851 | case FIO_Q_BUSY: |
Jens Axboe | 890b665 | 2014-05-06 19:06:51 -0600 | [diff] [blame] | 852 | unlog_io_piece(td, io_u); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 853 | requeue_io_u(td, &io_u); |
| 854 | ret2 = td_io_commit(td); |
| 855 | if (ret2 < 0) |
| 856 | ret = ret2; |
| 857 | break; |
| 858 | default: |
| 859 | assert(ret < 0); |
| 860 | put_io_u(td, io_u); |
| 861 | break; |
| 862 | } |
| 863 | |
| 864 | if (break_on_this_error(td, ddir, &ret)) |
| 865 | break; |
| 866 | |
| 867 | /* |
| 868 | * See if we need to complete some commands. Note that we |
| 869 | * can get BUSY even without IO queued, if the system is |
| 870 | * resource starved. |
| 871 | */ |
Jens Axboe | 3e260a4 | 2013-12-09 12:38:53 -0700 | [diff] [blame] | 872 | reap: |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 873 | full = queue_full(td) || (ret == FIO_Q_BUSY && td->cur_depth); |
| 874 | if (full || !td->o.iodepth_batch_complete) { |
| 875 | min_evts = min(td->o.iodepth_batch_complete, |
| 876 | td->cur_depth); |
Jens Axboe | 8a74b56 | 2012-03-16 13:55:50 +0100 | [diff] [blame] | 877 | /* |
| 878 | * if the queue is full, we MUST reap at least 1 event |
| 879 | */ |
| 880 | if (full && !min_evts) |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 881 | min_evts = 1; |
| 882 | |
Shaohua Li | 6eaf09d | 2012-09-14 08:49:43 +0200 | [diff] [blame] | 883 | if (__should_check_rate(td, DDIR_READ) || |
| 884 | __should_check_rate(td, DDIR_WRITE) || |
| 885 | __should_check_rate(td, DDIR_TRIM)) |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 886 | fio_gettime(&comp_time, NULL); |
| 887 | |
| 888 | do { |
| 889 | ret = io_u_queued_complete(td, min_evts, bytes_done); |
| 890 | if (ret < 0) |
| 891 | break; |
| 892 | |
| 893 | } while (full && (td->cur_depth > td->o.iodepth_low)); |
| 894 | } |
| 895 | |
| 896 | if (ret < 0) |
| 897 | break; |
Jens Axboe | d5abee0 | 2012-10-22 20:36:26 +0200 | [diff] [blame] | 898 | if (!ddir_rw_sum(bytes_done) && !(td->io_ops->flags & FIO_NOIO)) |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 899 | continue; |
| 900 | |
| 901 | if (!in_ramp_time(td) && should_check_rate(td, bytes_done)) { |
| 902 | if (check_min_rate(td, &comp_time, bytes_done)) { |
| 903 | if (exitall_on_terminate) |
| 904 | fio_terminate_threads(td->groupid); |
| 905 | td_verror(td, EIO, "check_min_rate"); |
| 906 | break; |
| 907 | } |
| 908 | } |
Jens Axboe | 3e260a4 | 2013-12-09 12:38:53 -0700 | [diff] [blame] | 909 | if (!in_ramp_time(td) && td->o.latency_target) |
| 910 | lat_target_check(td); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 911 | |
| 912 | if (td->o.thinktime) { |
| 913 | unsigned long long b; |
| 914 | |
Jens Axboe | 342f4be | 2012-09-14 08:59:20 +0200 | [diff] [blame] | 915 | b = ddir_rw_sum(td->io_blocks); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 916 | if (!(b % td->o.thinktime_blocks)) { |
| 917 | int left; |
| 918 | |
Jens Axboe | 002e718 | 2013-05-17 12:39:53 +0200 | [diff] [blame] | 919 | io_u_quiesce(td); |
| 920 | |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 921 | if (td->o.thinktime_spin) |
| 922 | usec_spin(td->o.thinktime_spin); |
| 923 | |
| 924 | left = td->o.thinktime - td->o.thinktime_spin; |
| 925 | if (left) |
| 926 | usec_sleep(td, left); |
| 927 | } |
| 928 | } |
| 929 | } |
| 930 | |
Jens Axboe | c97f1ad | 2013-03-28 15:08:49 -0600 | [diff] [blame] | 931 | check_update_rusage(td); |
| 932 | |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 933 | if (td->trim_entries) |
Jens Axboe | 4e0a8fa | 2013-04-15 11:40:57 +0200 | [diff] [blame] | 934 | log_err("fio: %lu trim entries leaked?\n", td->trim_entries); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 935 | |
| 936 | if (td->o.fill_device && td->error == ENOSPC) { |
| 937 | td->error = 0; |
Jens Axboe | 3b44e8b | 2014-07-09 11:24:12 +0200 | [diff] [blame] | 938 | fio_mark_td_terminate(td); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 939 | } |
| 940 | if (!td->error) { |
| 941 | struct fio_file *f; |
| 942 | |
| 943 | i = td->cur_depth; |
| 944 | if (i) { |
Jens Axboe | 5bd5f71 | 2013-02-03 14:20:44 +0100 | [diff] [blame] | 945 | ret = io_u_queued_complete(td, i, bytes_done); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 946 | if (td->o.fill_device && td->error == ENOSPC) |
| 947 | td->error = 0; |
| 948 | } |
| 949 | |
| 950 | if (should_fsync(td) && td->o.end_fsync) { |
| 951 | td_set_runstate(td, TD_FSYNCING); |
| 952 | |
| 953 | for_each_file(td, f, i) { |
Jens Axboe | 61ee0f8 | 2013-02-11 11:26:55 +0100 | [diff] [blame] | 954 | if (!fio_file_fsync(td, f)) |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 955 | continue; |
Jens Axboe | 61ee0f8 | 2013-02-11 11:26:55 +0100 | [diff] [blame] | 956 | |
| 957 | log_err("fio: end_fsync failed for file %s\n", |
| 958 | f->file_name); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 959 | } |
| 960 | } |
| 961 | } else |
| 962 | cleanup_pending_aio(td); |
| 963 | |
| 964 | /* |
| 965 | * stop job if we failed doing any IO |
| 966 | */ |
Jens Axboe | 342f4be | 2012-09-14 08:59:20 +0200 | [diff] [blame] | 967 | if (!ddir_rw_sum(td->this_io_bytes)) |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 968 | td->done = 1; |
Jens Axboe | 100f49f | 2013-01-23 10:15:57 -0700 | [diff] [blame] | 969 | |
| 970 | return bytes_done[DDIR_WRITE] + bytes_done[DDIR_TRIM]; |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 971 | } |
| 972 | |
| 973 | static void cleanup_io_u(struct thread_data *td) |
| 974 | { |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 975 | struct io_u *io_u; |
| 976 | |
Jens Axboe | 2ae0b20 | 2013-05-28 14:16:55 +0200 | [diff] [blame] | 977 | while ((io_u = io_u_qpop(&td->io_u_freelist)) != NULL) { |
Jens Axboe | c73ed24 | 2012-12-06 20:30:38 +0100 | [diff] [blame] | 978 | |
| 979 | if (td->io_ops->io_u_free) |
| 980 | td->io_ops->io_u_free(td, io_u); |
| 981 | |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 982 | fio_memfree(io_u, sizeof(*io_u)); |
| 983 | } |
| 984 | |
| 985 | free_io_mem(td); |
Jens Axboe | 2ae0b20 | 2013-05-28 14:16:55 +0200 | [diff] [blame] | 986 | |
| 987 | io_u_rexit(&td->io_u_requeues); |
| 988 | io_u_qexit(&td->io_u_freelist); |
| 989 | io_u_qexit(&td->io_u_all); |
Jens Axboe | de54cfd | 2014-11-10 20:34:00 -0700 | [diff] [blame] | 990 | |
| 991 | if (td->last_write_comp) |
| 992 | sfree(td->last_write_comp); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 993 | } |
| 994 | |
| 995 | static int init_io_u(struct thread_data *td) |
| 996 | { |
| 997 | struct io_u *io_u; |
Jens Axboe | 9c42684 | 2012-03-02 21:02:12 +0100 | [diff] [blame] | 998 | unsigned int max_bs, min_write; |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 999 | int cl_align, i, max_units; |
Jens Axboe | 2ae0b20 | 2013-05-28 14:16:55 +0200 | [diff] [blame] | 1000 | int data_xfer = 1, err; |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1001 | char *p; |
| 1002 | |
| 1003 | max_units = td->o.iodepth; |
Jens Axboe | 74f4b02 | 2013-03-22 22:56:55 -0600 | [diff] [blame] | 1004 | max_bs = td_max_bs(td); |
Jens Axboe | 9c42684 | 2012-03-02 21:02:12 +0100 | [diff] [blame] | 1005 | min_write = td->o.min_bs[DDIR_WRITE]; |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1006 | td->orig_buffer_size = (unsigned long long) max_bs |
| 1007 | * (unsigned long long) max_units; |
| 1008 | |
Dmitry Monakhov | 88045e0 | 2012-09-25 12:12:36 +0200 | [diff] [blame] | 1009 | if ((td->io_ops->flags & FIO_NOIO) || !(td_read(td) || td_write(td))) |
Jens Axboe | 59d8d0f | 2012-09-24 14:25:33 +0200 | [diff] [blame] | 1010 | data_xfer = 0; |
| 1011 | |
Jens Axboe | 2ae0b20 | 2013-05-28 14:16:55 +0200 | [diff] [blame] | 1012 | err = 0; |
| 1013 | err += io_u_rinit(&td->io_u_requeues, td->o.iodepth); |
| 1014 | err += io_u_qinit(&td->io_u_freelist, td->o.iodepth); |
| 1015 | err += io_u_qinit(&td->io_u_all, td->o.iodepth); |
| 1016 | |
| 1017 | if (err) { |
| 1018 | log_err("fio: failed setting up IO queues\n"); |
| 1019 | return 1; |
| 1020 | } |
| 1021 | |
peter chang | fd8a09b | 2013-04-24 16:32:25 -0600 | [diff] [blame] | 1022 | /* |
| 1023 | * if we may later need to do address alignment, then add any |
| 1024 | * possible adjustment here so that we don't cause a buffer |
| 1025 | * overflow later. this adjustment may be too much if we get |
| 1026 | * lucky and the allocator gives us an aligned address. |
| 1027 | */ |
Chris Mason | d01612f | 2013-11-15 15:52:58 -0700 | [diff] [blame] | 1028 | if (td->o.odirect || td->o.mem_align || td->o.oatomic || |
| 1029 | (td->io_ops->flags & FIO_RAWIO)) |
peter chang | fd8a09b | 2013-04-24 16:32:25 -0600 | [diff] [blame] | 1030 | td->orig_buffer_size += page_mask + td->o.mem_align; |
| 1031 | |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1032 | if (td->o.mem_type == MEM_SHMHUGE || td->o.mem_type == MEM_MMAPHUGE) { |
| 1033 | unsigned long bs; |
| 1034 | |
| 1035 | bs = td->orig_buffer_size + td->o.hugepage_size - 1; |
| 1036 | td->orig_buffer_size = bs & ~(td->o.hugepage_size - 1); |
| 1037 | } |
| 1038 | |
| 1039 | if (td->orig_buffer_size != (size_t) td->orig_buffer_size) { |
| 1040 | log_err("fio: IO memory too large. Reduce max_bs or iodepth\n"); |
| 1041 | return 1; |
| 1042 | } |
| 1043 | |
Jens Axboe | 59d8d0f | 2012-09-24 14:25:33 +0200 | [diff] [blame] | 1044 | if (data_xfer && allocate_io_mem(td)) |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1045 | return 1; |
| 1046 | |
Chris Mason | d01612f | 2013-11-15 15:52:58 -0700 | [diff] [blame] | 1047 | if (td->o.odirect || td->o.mem_align || td->o.oatomic || |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1048 | (td->io_ops->flags & FIO_RAWIO)) |
| 1049 | p = PAGE_ALIGN(td->orig_buffer) + td->o.mem_align; |
| 1050 | else |
| 1051 | p = td->orig_buffer; |
| 1052 | |
| 1053 | cl_align = os_cache_line_size(); |
| 1054 | |
| 1055 | for (i = 0; i < max_units; i++) { |
| 1056 | void *ptr; |
| 1057 | |
| 1058 | if (td->terminate) |
| 1059 | return 1; |
| 1060 | |
| 1061 | ptr = fio_memalign(cl_align, sizeof(*io_u)); |
| 1062 | if (!ptr) { |
| 1063 | log_err("fio: unable to allocate aligned memory\n"); |
| 1064 | break; |
| 1065 | } |
| 1066 | |
| 1067 | io_u = ptr; |
| 1068 | memset(io_u, 0, sizeof(*io_u)); |
Jens Axboe | 2ae0b20 | 2013-05-28 14:16:55 +0200 | [diff] [blame] | 1069 | INIT_FLIST_HEAD(&io_u->verify_list); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1070 | dprint(FD_MEM, "io_u alloc %p, index %u\n", io_u, i); |
| 1071 | |
Jens Axboe | 59d8d0f | 2012-09-24 14:25:33 +0200 | [diff] [blame] | 1072 | if (data_xfer) { |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1073 | io_u->buf = p; |
| 1074 | dprint(FD_MEM, "io_u %p, mem %p\n", io_u, io_u->buf); |
| 1075 | |
| 1076 | if (td_write(td)) |
Jens Axboe | 9c42684 | 2012-03-02 21:02:12 +0100 | [diff] [blame] | 1077 | io_u_fill_buffer(td, io_u, min_write, max_bs); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1078 | if (td_write(td) && td->o.verify_pattern_bytes) { |
| 1079 | /* |
| 1080 | * Fill the buffer with the pattern if we are |
| 1081 | * going to be doing writes. |
| 1082 | */ |
Jens Axboe | ce35b1e | 2014-01-14 15:35:58 -0700 | [diff] [blame] | 1083 | fill_verify_pattern(td, io_u->buf, max_bs, io_u, 0, 0); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1084 | } |
| 1085 | } |
| 1086 | |
| 1087 | io_u->index = i; |
| 1088 | io_u->flags = IO_U_F_FREE; |
Jens Axboe | 2ae0b20 | 2013-05-28 14:16:55 +0200 | [diff] [blame] | 1089 | io_u_qpush(&td->io_u_freelist, io_u); |
| 1090 | |
| 1091 | /* |
| 1092 | * io_u never leaves this stack, used for iteration of all |
| 1093 | * io_u buffers. |
| 1094 | */ |
| 1095 | io_u_qpush(&td->io_u_all, io_u); |
Jens Axboe | c73ed24 | 2012-12-06 20:30:38 +0100 | [diff] [blame] | 1096 | |
| 1097 | if (td->io_ops->io_u_init) { |
| 1098 | int ret = td->io_ops->io_u_init(td, io_u); |
| 1099 | |
| 1100 | if (ret) { |
| 1101 | log_err("fio: failed to init engine data: %d\n", ret); |
| 1102 | return 1; |
| 1103 | } |
| 1104 | } |
| 1105 | |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1106 | p += max_bs; |
| 1107 | } |
| 1108 | |
Jens Axboe | de54cfd | 2014-11-10 20:34:00 -0700 | [diff] [blame] | 1109 | if (td->o.verify != VERIFY_NONE) { |
| 1110 | td->last_write_comp = scalloc(max_units, sizeof(uint64_t)); |
| 1111 | if (!td->last_write_comp) { |
| 1112 | log_err("fio: failed to alloc write comp data\n"); |
| 1113 | return 1; |
| 1114 | } |
| 1115 | } |
| 1116 | |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1117 | return 0; |
| 1118 | } |
| 1119 | |
| 1120 | static int switch_ioscheduler(struct thread_data *td) |
| 1121 | { |
| 1122 | char tmp[256], tmp2[128]; |
| 1123 | FILE *f; |
| 1124 | int ret; |
| 1125 | |
| 1126 | if (td->io_ops->flags & FIO_DISKLESSIO) |
| 1127 | return 0; |
| 1128 | |
| 1129 | sprintf(tmp, "%s/queue/scheduler", td->sysfs_root); |
| 1130 | |
| 1131 | f = fopen(tmp, "r+"); |
| 1132 | if (!f) { |
| 1133 | if (errno == ENOENT) { |
| 1134 | log_err("fio: os or kernel doesn't support IO scheduler" |
| 1135 | " switching\n"); |
| 1136 | return 0; |
| 1137 | } |
| 1138 | td_verror(td, errno, "fopen iosched"); |
| 1139 | return 1; |
| 1140 | } |
| 1141 | |
| 1142 | /* |
| 1143 | * Set io scheduler. |
| 1144 | */ |
| 1145 | ret = fwrite(td->o.ioscheduler, strlen(td->o.ioscheduler), 1, f); |
| 1146 | if (ferror(f) || ret != 1) { |
| 1147 | td_verror(td, errno, "fwrite"); |
| 1148 | fclose(f); |
| 1149 | return 1; |
| 1150 | } |
| 1151 | |
| 1152 | rewind(f); |
| 1153 | |
| 1154 | /* |
| 1155 | * Read back and check that the selected scheduler is now the default. |
| 1156 | */ |
Jens Axboe | 49c6f33 | 2014-04-14 11:36:01 -0600 | [diff] [blame] | 1157 | ret = fread(tmp, sizeof(tmp), 1, f); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1158 | if (ferror(f) || ret < 0) { |
| 1159 | td_verror(td, errno, "fread"); |
| 1160 | fclose(f); |
| 1161 | return 1; |
| 1162 | } |
Jens Axboe | 49c6f33 | 2014-04-14 11:36:01 -0600 | [diff] [blame] | 1163 | tmp[sizeof(tmp) - 1] = '\0'; |
| 1164 | |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1165 | |
| 1166 | sprintf(tmp2, "[%s]", td->o.ioscheduler); |
| 1167 | if (!strstr(tmp, tmp2)) { |
| 1168 | log_err("fio: io scheduler %s not found\n", td->o.ioscheduler); |
| 1169 | td_verror(td, EINVAL, "iosched_switch"); |
| 1170 | fclose(f); |
| 1171 | return 1; |
| 1172 | } |
| 1173 | |
| 1174 | fclose(f); |
| 1175 | return 0; |
| 1176 | } |
| 1177 | |
| 1178 | static int keep_running(struct thread_data *td) |
| 1179 | { |
Jens Axboe | 77731b2 | 2014-04-28 12:08:47 -0600 | [diff] [blame] | 1180 | unsigned long long limit; |
| 1181 | |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1182 | if (td->done) |
| 1183 | return 0; |
| 1184 | if (td->o.time_based) |
| 1185 | return 1; |
| 1186 | if (td->o.loops) { |
| 1187 | td->o.loops--; |
| 1188 | return 1; |
| 1189 | } |
Jens Axboe | 3939fe8 | 2014-03-11 20:16:38 -0600 | [diff] [blame] | 1190 | if (exceeds_number_ios(td)) |
| 1191 | return 0; |
Jens Axboe | 26251d8 | 2014-03-11 10:21:18 -0600 | [diff] [blame] | 1192 | |
Jens Axboe | 77731b2 | 2014-04-28 12:08:47 -0600 | [diff] [blame] | 1193 | if (td->o.io_limit) |
| 1194 | limit = td->o.io_limit; |
| 1195 | else |
| 1196 | limit = td->o.size; |
| 1197 | |
| 1198 | if (limit != -1ULL && ddir_rw_sum(td->io_bytes) < limit) { |
Jens Axboe | 5bd5f71 | 2013-02-03 14:20:44 +0100 | [diff] [blame] | 1199 | uint64_t diff; |
| 1200 | |
| 1201 | /* |
| 1202 | * If the difference is less than the minimum IO size, we |
| 1203 | * are done. |
| 1204 | */ |
Jens Axboe | 77731b2 | 2014-04-28 12:08:47 -0600 | [diff] [blame] | 1205 | diff = limit - ddir_rw_sum(td->io_bytes); |
Jens Axboe | 74f4b02 | 2013-03-22 22:56:55 -0600 | [diff] [blame] | 1206 | if (diff < td_max_bs(td)) |
Jens Axboe | 5bd5f71 | 2013-02-03 14:20:44 +0100 | [diff] [blame] | 1207 | return 0; |
| 1208 | |
Jens Axboe | 002fe73 | 2014-02-11 08:31:13 -0700 | [diff] [blame] | 1209 | if (fio_files_done(td)) |
| 1210 | return 0; |
| 1211 | |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1212 | return 1; |
Jens Axboe | 5bd5f71 | 2013-02-03 14:20:44 +0100 | [diff] [blame] | 1213 | } |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1214 | |
| 1215 | return 0; |
| 1216 | } |
| 1217 | |
Erwan Velu | ce48649 | 2013-07-17 23:04:46 +0200 | [diff] [blame] | 1218 | static int exec_string(struct thread_options *o, const char *string, const char *mode) |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1219 | { |
Erwan Velu | ce48649 | 2013-07-17 23:04:46 +0200 | [diff] [blame] | 1220 | int ret, newlen = strlen(string) + strlen(o->name) + strlen(mode) + 9 + 1; |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1221 | char *str; |
| 1222 | |
| 1223 | str = malloc(newlen); |
Erwan Velu | ce48649 | 2013-07-17 23:04:46 +0200 | [diff] [blame] | 1224 | sprintf(str, "%s &> %s.%s.txt", string, o->name, mode); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1225 | |
Erwan Velu | ce48649 | 2013-07-17 23:04:46 +0200 | [diff] [blame] | 1226 | log_info("%s : Saving output of %s in %s.%s.txt\n",o->name, mode, o->name, mode); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1227 | ret = system(str); |
| 1228 | if (ret == -1) |
| 1229 | log_err("fio: exec of cmd <%s> failed\n", str); |
| 1230 | |
| 1231 | free(str); |
| 1232 | return ret; |
| 1233 | } |
| 1234 | |
| 1235 | /* |
Juan Casse | 6216776 | 2013-09-17 14:06:13 -0700 | [diff] [blame] | 1236 | * Dry run to compute correct state of numberio for verification. |
| 1237 | */ |
| 1238 | static uint64_t do_dry_run(struct thread_data *td) |
| 1239 | { |
| 1240 | uint64_t bytes_done[DDIR_RWDIR_CNT] = { 0, 0, 0 }; |
| 1241 | |
| 1242 | td_set_runstate(td, TD_RUNNING); |
| 1243 | |
| 1244 | while ((td->o.read_iolog_file && !flist_empty(&td->io_log_list)) || |
| 1245 | (!flist_empty(&td->trim_list)) || !io_bytes_exceeded(td)) { |
| 1246 | struct io_u *io_u; |
| 1247 | int ret; |
| 1248 | |
| 1249 | if (td->terminate || td->done) |
| 1250 | break; |
| 1251 | |
| 1252 | io_u = get_io_u(td); |
| 1253 | if (!io_u) |
| 1254 | break; |
| 1255 | |
| 1256 | io_u->flags |= IO_U_F_FLIGHT; |
| 1257 | io_u->error = 0; |
| 1258 | io_u->resid = 0; |
| 1259 | if (ddir_rw(acct_ddir(io_u))) |
| 1260 | td->io_issues[acct_ddir(io_u)]++; |
| 1261 | if (ddir_rw(io_u->ddir)) { |
| 1262 | io_u_mark_depth(td, 1); |
| 1263 | td->ts.total_io_u[io_u->ddir]++; |
| 1264 | } |
| 1265 | |
Puthikorn Voravootivat | 2e63e96 | 2014-03-03 15:33:32 -0800 | [diff] [blame] | 1266 | if (td_write(td) && io_u->ddir == DDIR_WRITE && |
| 1267 | td->o.do_verify && |
| 1268 | td->o.verify != VERIFY_NONE && |
| 1269 | !td->o.experimental_verify) |
| 1270 | log_io_piece(td, io_u); |
| 1271 | |
Juan Casse | 6216776 | 2013-09-17 14:06:13 -0700 | [diff] [blame] | 1272 | ret = io_u_sync_complete(td, io_u, bytes_done); |
| 1273 | (void) ret; |
| 1274 | } |
| 1275 | |
| 1276 | return bytes_done[DDIR_WRITE] + bytes_done[DDIR_TRIM]; |
| 1277 | } |
| 1278 | |
| 1279 | /* |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1280 | * Entry point for the thread based jobs. The process based jobs end up |
| 1281 | * here as well, after a little setup. |
| 1282 | */ |
| 1283 | static void *thread_main(void *data) |
| 1284 | { |
| 1285 | unsigned long long elapsed; |
| 1286 | struct thread_data *td = data; |
Jens Axboe | 4896473 | 2013-04-11 12:01:48 +0200 | [diff] [blame] | 1287 | struct thread_options *o = &td->o; |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1288 | pthread_condattr_t attr; |
| 1289 | int clear_state; |
Jens Axboe | 28727df | 2012-03-29 08:33:15 +0200 | [diff] [blame] | 1290 | int ret; |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1291 | |
Jens Axboe | 4896473 | 2013-04-11 12:01:48 +0200 | [diff] [blame] | 1292 | if (!o->use_thread) { |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1293 | setsid(); |
| 1294 | td->pid = getpid(); |
| 1295 | } else |
| 1296 | td->pid = gettid(); |
| 1297 | |
Jens Axboe | 4896473 | 2013-04-11 12:01:48 +0200 | [diff] [blame] | 1298 | fio_local_clock_init(o->use_thread); |
Jens Axboe | 5d87939 | 2012-12-18 09:12:27 +0100 | [diff] [blame] | 1299 | |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1300 | dprint(FD_PROCESS, "jobs pid=%d started\n", (int) td->pid); |
| 1301 | |
Jens Axboe | 122c772 | 2012-03-19 09:13:15 +0100 | [diff] [blame] | 1302 | if (is_backend) |
| 1303 | fio_server_send_start(td); |
| 1304 | |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1305 | INIT_FLIST_HEAD(&td->io_log_list); |
| 1306 | INIT_FLIST_HEAD(&td->io_hist_list); |
| 1307 | INIT_FLIST_HEAD(&td->verify_list); |
| 1308 | INIT_FLIST_HEAD(&td->trim_list); |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame] | 1309 | INIT_FLIST_HEAD(&td->next_rand_list); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1310 | pthread_mutex_init(&td->io_u_lock, NULL); |
| 1311 | td->io_hist_tree = RB_ROOT; |
| 1312 | |
| 1313 | pthread_condattr_init(&attr); |
| 1314 | pthread_cond_init(&td->verify_cond, &attr); |
| 1315 | pthread_cond_init(&td->free_cond, &attr); |
| 1316 | |
| 1317 | td_set_runstate(td, TD_INITIALIZED); |
| 1318 | dprint(FD_MUTEX, "up startup_mutex\n"); |
| 1319 | fio_mutex_up(startup_mutex); |
| 1320 | dprint(FD_MUTEX, "wait on td->mutex\n"); |
| 1321 | fio_mutex_down(td->mutex); |
| 1322 | dprint(FD_MUTEX, "done waiting on td->mutex\n"); |
| 1323 | |
| 1324 | /* |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1325 | * A new gid requires privilege, so we need to do this before setting |
| 1326 | * the uid. |
| 1327 | */ |
Jens Axboe | 4896473 | 2013-04-11 12:01:48 +0200 | [diff] [blame] | 1328 | if (o->gid != -1U && setgid(o->gid)) { |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1329 | td_verror(td, errno, "setgid"); |
| 1330 | goto err; |
| 1331 | } |
Jens Axboe | 4896473 | 2013-04-11 12:01:48 +0200 | [diff] [blame] | 1332 | if (o->uid != -1U && setuid(o->uid)) { |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1333 | td_verror(td, errno, "setuid"); |
| 1334 | goto err; |
| 1335 | } |
| 1336 | |
| 1337 | /* |
| 1338 | * If we have a gettimeofday() thread, make sure we exclude that |
| 1339 | * thread from this job |
| 1340 | */ |
Jens Axboe | 4896473 | 2013-04-11 12:01:48 +0200 | [diff] [blame] | 1341 | if (o->gtod_cpu) |
| 1342 | fio_cpu_clear(&o->cpumask, o->gtod_cpu); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1343 | |
| 1344 | /* |
| 1345 | * Set affinity first, in case it has an impact on the memory |
| 1346 | * allocations. |
| 1347 | */ |
Jens Axboe | 4896473 | 2013-04-11 12:01:48 +0200 | [diff] [blame] | 1348 | if (o->cpumask_set) { |
Jens Axboe | c2acfba | 2014-02-27 15:52:02 -0800 | [diff] [blame] | 1349 | if (o->cpus_allowed_policy == FIO_CPUS_SPLIT) { |
Jens Axboe | 30cb4c6 | 2014-02-28 08:35:40 -0800 | [diff] [blame] | 1350 | ret = fio_cpus_split(&o->cpumask, td->thread_number - 1); |
Jens Axboe | c2acfba | 2014-02-27 15:52:02 -0800 | [diff] [blame] | 1351 | if (!ret) { |
| 1352 | log_err("fio: no CPUs set\n"); |
| 1353 | log_err("fio: Try increasing number of available CPUs\n"); |
| 1354 | td_verror(td, EINVAL, "cpus_split"); |
| 1355 | goto err; |
| 1356 | } |
| 1357 | } |
Jens Axboe | 28727df | 2012-03-29 08:33:15 +0200 | [diff] [blame] | 1358 | ret = fio_setaffinity(td->pid, o->cpumask); |
| 1359 | if (ret == -1) { |
Jens Axboe | 4896473 | 2013-04-11 12:01:48 +0200 | [diff] [blame] | 1360 | td_verror(td, errno, "cpu_set_affinity"); |
| 1361 | goto err; |
| 1362 | } |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1363 | } |
| 1364 | |
Jens Axboe | 67bf982 | 2013-01-10 11:23:19 +0100 | [diff] [blame] | 1365 | #ifdef CONFIG_LIBNUMA |
Yufei Ren | d0b937e | 2012-10-19 23:11:52 -0400 | [diff] [blame] | 1366 | /* numa node setup */ |
Jens Axboe | 4896473 | 2013-04-11 12:01:48 +0200 | [diff] [blame] | 1367 | if (o->numa_cpumask_set || o->numa_memmask_set) { |
Daniel Gollub | 4352284 | 2014-05-01 17:07:49 +0200 | [diff] [blame] | 1368 | struct bitmask *mask; |
Yufei Ren | d0b937e | 2012-10-19 23:11:52 -0400 | [diff] [blame] | 1369 | |
| 1370 | if (numa_available() < 0) { |
| 1371 | td_verror(td, errno, "Does not support NUMA API\n"); |
| 1372 | goto err; |
| 1373 | } |
| 1374 | |
Jens Axboe | 4896473 | 2013-04-11 12:01:48 +0200 | [diff] [blame] | 1375 | if (o->numa_cpumask_set) { |
Daniel Gollub | 4352284 | 2014-05-01 17:07:49 +0200 | [diff] [blame] | 1376 | mask = numa_parse_nodestring(o->numa_cpunodes); |
| 1377 | ret = numa_run_on_node_mask(mask); |
| 1378 | numa_free_nodemask(mask); |
Yufei Ren | d0b937e | 2012-10-19 23:11:52 -0400 | [diff] [blame] | 1379 | if (ret == -1) { |
| 1380 | td_verror(td, errno, \ |
| 1381 | "numa_run_on_node_mask failed\n"); |
| 1382 | goto err; |
| 1383 | } |
| 1384 | } |
| 1385 | |
Jens Axboe | 4896473 | 2013-04-11 12:01:48 +0200 | [diff] [blame] | 1386 | if (o->numa_memmask_set) { |
Yufei Ren | d0b937e | 2012-10-19 23:11:52 -0400 | [diff] [blame] | 1387 | |
Daniel Gollub | 4352284 | 2014-05-01 17:07:49 +0200 | [diff] [blame] | 1388 | mask = NULL; |
| 1389 | if (o->numa_memnodes) |
| 1390 | mask = numa_parse_nodestring(o->numa_memnodes); |
| 1391 | |
Jens Axboe | 4896473 | 2013-04-11 12:01:48 +0200 | [diff] [blame] | 1392 | switch (o->numa_mem_mode) { |
Yufei Ren | d0b937e | 2012-10-19 23:11:52 -0400 | [diff] [blame] | 1393 | case MPOL_INTERLEAVE: |
Daniel Gollub | 4352284 | 2014-05-01 17:07:49 +0200 | [diff] [blame] | 1394 | numa_set_interleave_mask(mask); |
Yufei Ren | d0b937e | 2012-10-19 23:11:52 -0400 | [diff] [blame] | 1395 | break; |
| 1396 | case MPOL_BIND: |
Daniel Gollub | 4352284 | 2014-05-01 17:07:49 +0200 | [diff] [blame] | 1397 | numa_set_membind(mask); |
Yufei Ren | d0b937e | 2012-10-19 23:11:52 -0400 | [diff] [blame] | 1398 | break; |
| 1399 | case MPOL_LOCAL: |
| 1400 | numa_set_localalloc(); |
| 1401 | break; |
| 1402 | case MPOL_PREFERRED: |
Jens Axboe | 4896473 | 2013-04-11 12:01:48 +0200 | [diff] [blame] | 1403 | numa_set_preferred(o->numa_mem_prefer_node); |
Yufei Ren | d0b937e | 2012-10-19 23:11:52 -0400 | [diff] [blame] | 1404 | break; |
| 1405 | case MPOL_DEFAULT: |
| 1406 | default: |
| 1407 | break; |
| 1408 | } |
| 1409 | |
Daniel Gollub | 4352284 | 2014-05-01 17:07:49 +0200 | [diff] [blame] | 1410 | if (mask) |
| 1411 | numa_free_nodemask(mask); |
| 1412 | |
Yufei Ren | d0b937e | 2012-10-19 23:11:52 -0400 | [diff] [blame] | 1413 | } |
| 1414 | } |
| 1415 | #endif |
| 1416 | |
Jens Axboe | 9a3f110 | 2012-03-28 20:50:15 +0200 | [diff] [blame] | 1417 | if (fio_pin_memory(td)) |
| 1418 | goto err; |
| 1419 | |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1420 | /* |
| 1421 | * May alter parameters that init_io_u() will use, so we need to |
| 1422 | * do this first. |
| 1423 | */ |
| 1424 | if (init_iolog(td)) |
| 1425 | goto err; |
| 1426 | |
| 1427 | if (init_io_u(td)) |
| 1428 | goto err; |
| 1429 | |
Jens Axboe | 4896473 | 2013-04-11 12:01:48 +0200 | [diff] [blame] | 1430 | if (o->verify_async && verify_async_init(td)) |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1431 | goto err; |
| 1432 | |
Jens Axboe | 28727df | 2012-03-29 08:33:15 +0200 | [diff] [blame] | 1433 | if (o->ioprio) { |
| 1434 | ret = ioprio_set(IOPRIO_WHO_PROCESS, 0, o->ioprio_class, o->ioprio); |
| 1435 | if (ret == -1) { |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1436 | td_verror(td, errno, "ioprio_set"); |
| 1437 | goto err; |
| 1438 | } |
| 1439 | } |
| 1440 | |
Jens Axboe | 4896473 | 2013-04-11 12:01:48 +0200 | [diff] [blame] | 1441 | if (o->cgroup && cgroup_setup(td, cgroup_list, &cgroup_mnt)) |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1442 | goto err; |
| 1443 | |
Bruce Cran | 649c10c | 2012-02-20 07:59:06 +0100 | [diff] [blame] | 1444 | errno = 0; |
Jens Axboe | 4896473 | 2013-04-11 12:01:48 +0200 | [diff] [blame] | 1445 | if (nice(o->nice) == -1 && errno != 0) { |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1446 | td_verror(td, errno, "nice"); |
| 1447 | goto err; |
| 1448 | } |
| 1449 | |
Jens Axboe | 4896473 | 2013-04-11 12:01:48 +0200 | [diff] [blame] | 1450 | if (o->ioscheduler && switch_ioscheduler(td)) |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1451 | goto err; |
| 1452 | |
Jens Axboe | 4896473 | 2013-04-11 12:01:48 +0200 | [diff] [blame] | 1453 | if (!o->create_serialize && setup_files(td)) |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1454 | goto err; |
| 1455 | |
| 1456 | if (td_io_init(td)) |
| 1457 | goto err; |
| 1458 | |
| 1459 | if (init_random_map(td)) |
| 1460 | goto err; |
| 1461 | |
Erwan Velu | ce48649 | 2013-07-17 23:04:46 +0200 | [diff] [blame] | 1462 | if (o->exec_prerun && exec_string(o, o->exec_prerun, (const char *)"prerun")) |
Jens Axboe | 4896473 | 2013-04-11 12:01:48 +0200 | [diff] [blame] | 1463 | goto err; |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1464 | |
Jens Axboe | 4896473 | 2013-04-11 12:01:48 +0200 | [diff] [blame] | 1465 | if (o->pre_read) { |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1466 | if (pre_read_files(td) < 0) |
| 1467 | goto err; |
| 1468 | } |
| 1469 | |
Jens Axboe | 38a812d | 2014-07-03 09:10:39 -0600 | [diff] [blame] | 1470 | if (td->flags & TD_F_COMPRESS_LOG) |
| 1471 | tp_init(&td->tp_data); |
| 1472 | |
Jens Axboe | dc5bfbb | 2013-04-10 22:23:40 +0200 | [diff] [blame] | 1473 | fio_verify_init(td); |
| 1474 | |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1475 | fio_gettime(&td->epoch, NULL); |
Jens Axboe | 44404c5 | 2013-01-24 14:20:09 -0700 | [diff] [blame] | 1476 | fio_getrusage(&td->ru_start); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1477 | clear_state = 0; |
| 1478 | while (keep_running(td)) { |
Jens Axboe | 100f49f | 2013-01-23 10:15:57 -0700 | [diff] [blame] | 1479 | uint64_t verify_bytes; |
| 1480 | |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1481 | fio_gettime(&td->start, NULL); |
| 1482 | memcpy(&td->bw_sample_time, &td->start, sizeof(td->start)); |
| 1483 | memcpy(&td->iops_sample_time, &td->start, sizeof(td->start)); |
| 1484 | memcpy(&td->tv_cache, &td->start, sizeof(td->start)); |
| 1485 | |
Jens Axboe | 4896473 | 2013-04-11 12:01:48 +0200 | [diff] [blame] | 1486 | if (o->ratemin[DDIR_READ] || o->ratemin[DDIR_WRITE] || |
| 1487 | o->ratemin[DDIR_TRIM]) { |
Shaohua Li | 6eaf09d | 2012-09-14 08:49:43 +0200 | [diff] [blame] | 1488 | memcpy(&td->lastrate[DDIR_READ], &td->bw_sample_time, |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1489 | sizeof(td->bw_sample_time)); |
Shaohua Li | 6eaf09d | 2012-09-14 08:49:43 +0200 | [diff] [blame] | 1490 | memcpy(&td->lastrate[DDIR_WRITE], &td->bw_sample_time, |
| 1491 | sizeof(td->bw_sample_time)); |
| 1492 | memcpy(&td->lastrate[DDIR_TRIM], &td->bw_sample_time, |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1493 | sizeof(td->bw_sample_time)); |
| 1494 | } |
| 1495 | |
| 1496 | if (clear_state) |
| 1497 | clear_io_state(td); |
| 1498 | |
| 1499 | prune_io_piece_log(td); |
| 1500 | |
Juan Casse | 6216776 | 2013-09-17 14:06:13 -0700 | [diff] [blame] | 1501 | if (td->o.verify_only && (td_write(td) || td_rw(td))) |
| 1502 | verify_bytes = do_dry_run(td); |
| 1503 | else |
| 1504 | verify_bytes = do_io(td); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1505 | |
| 1506 | clear_state = 1; |
| 1507 | |
Vasily Tarasov | c38e38f | 2014-11-09 20:22:24 -0700 | [diff] [blame] | 1508 | fio_mutex_down(stat_mutex); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1509 | if (td_read(td) && td->io_bytes[DDIR_READ]) { |
Vasily Tarasov | c38e38f | 2014-11-09 20:22:24 -0700 | [diff] [blame] | 1510 | elapsed = mtime_since_now(&td->start); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1511 | td->ts.runtime[DDIR_READ] += elapsed; |
| 1512 | } |
| 1513 | if (td_write(td) && td->io_bytes[DDIR_WRITE]) { |
Vasily Tarasov | c38e38f | 2014-11-09 20:22:24 -0700 | [diff] [blame] | 1514 | elapsed = mtime_since_now(&td->start); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1515 | td->ts.runtime[DDIR_WRITE] += elapsed; |
| 1516 | } |
Shaohua Li | 6eaf09d | 2012-09-14 08:49:43 +0200 | [diff] [blame] | 1517 | if (td_trim(td) && td->io_bytes[DDIR_TRIM]) { |
Vasily Tarasov | c38e38f | 2014-11-09 20:22:24 -0700 | [diff] [blame] | 1518 | elapsed = mtime_since_now(&td->start); |
Shaohua Li | 6eaf09d | 2012-09-14 08:49:43 +0200 | [diff] [blame] | 1519 | td->ts.runtime[DDIR_TRIM] += elapsed; |
| 1520 | } |
Vasily Tarasov | c38e38f | 2014-11-09 20:22:24 -0700 | [diff] [blame] | 1521 | fio_gettime(&td->start, NULL); |
| 1522 | fio_mutex_up(stat_mutex); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1523 | |
| 1524 | if (td->error || td->terminate) |
| 1525 | break; |
| 1526 | |
Jens Axboe | 4896473 | 2013-04-11 12:01:48 +0200 | [diff] [blame] | 1527 | if (!o->do_verify || |
| 1528 | o->verify == VERIFY_NONE || |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1529 | (td->io_ops->flags & FIO_UNIDIR)) |
| 1530 | continue; |
| 1531 | |
| 1532 | clear_io_state(td); |
| 1533 | |
| 1534 | fio_gettime(&td->start, NULL); |
| 1535 | |
Jens Axboe | 100f49f | 2013-01-23 10:15:57 -0700 | [diff] [blame] | 1536 | do_verify(td, verify_bytes); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1537 | |
Vasily Tarasov | c38e38f | 2014-11-09 20:22:24 -0700 | [diff] [blame] | 1538 | fio_mutex_down(stat_mutex); |
| 1539 | td->ts.runtime[DDIR_READ] += mtime_since_now(&td->start); |
| 1540 | fio_gettime(&td->start, NULL); |
| 1541 | fio_mutex_up(stat_mutex); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1542 | |
| 1543 | if (td->error || td->terminate) |
| 1544 | break; |
| 1545 | } |
| 1546 | |
| 1547 | update_rusage_stat(td); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1548 | td->ts.total_run_time = mtime_since_now(&td->epoch); |
Shaohua Li | 6eaf09d | 2012-09-14 08:49:43 +0200 | [diff] [blame] | 1549 | td->ts.io_bytes[DDIR_READ] = td->io_bytes[DDIR_READ]; |
| 1550 | td->ts.io_bytes[DDIR_WRITE] = td->io_bytes[DDIR_WRITE]; |
| 1551 | td->ts.io_bytes[DDIR_TRIM] = td->io_bytes[DDIR_TRIM]; |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1552 | |
Jens Axboe | de54cfd | 2014-11-10 20:34:00 -0700 | [diff] [blame] | 1553 | if (td->o.verify_state_save && !(td->flags & TD_F_VSTATE_SAVED) && |
| 1554 | (td->o.verify != VERIFY_NONE && td_write(td))) { |
| 1555 | struct all_io_list *state; |
| 1556 | size_t sz; |
| 1557 | |
| 1558 | state = get_all_io_list(td->thread_number, &sz); |
| 1559 | if (state) { |
| 1560 | __verify_save_state(state, "local"); |
| 1561 | free(state); |
| 1562 | } |
| 1563 | } |
| 1564 | |
Jens Axboe | 9a3f110 | 2012-03-28 20:50:15 +0200 | [diff] [blame] | 1565 | fio_unpin_memory(td); |
| 1566 | |
Jens Axboe | 905e3d4 | 2014-04-02 20:01:27 -0600 | [diff] [blame] | 1567 | fio_writeout_logs(td); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1568 | |
Jens Axboe | 38a812d | 2014-07-03 09:10:39 -0600 | [diff] [blame] | 1569 | if (td->flags & TD_F_COMPRESS_LOG) |
| 1570 | tp_exit(&td->tp_data); |
| 1571 | |
Jens Axboe | 4896473 | 2013-04-11 12:01:48 +0200 | [diff] [blame] | 1572 | if (o->exec_postrun) |
Erwan Velu | ce48649 | 2013-07-17 23:04:46 +0200 | [diff] [blame] | 1573 | exec_string(o, o->exec_postrun, (const char *)"postrun"); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1574 | |
| 1575 | if (exitall_on_terminate) |
| 1576 | fio_terminate_threads(td->groupid); |
| 1577 | |
| 1578 | err: |
| 1579 | if (td->error) |
| 1580 | log_info("fio: pid=%d, err=%d/%s\n", (int) td->pid, td->error, |
| 1581 | td->verror); |
| 1582 | |
Jens Axboe | 4896473 | 2013-04-11 12:01:48 +0200 | [diff] [blame] | 1583 | if (o->verify_async) |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1584 | verify_async_exit(td); |
| 1585 | |
| 1586 | close_and_free_files(td); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1587 | cleanup_io_u(td); |
Bruce Cran | 32dbca2 | 2012-12-06 20:32:40 +0100 | [diff] [blame] | 1588 | close_ioengine(td); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1589 | cgroup_shutdown(td, &cgroup_mnt); |
Jens Axboe | de54cfd | 2014-11-10 20:34:00 -0700 | [diff] [blame] | 1590 | verify_free_state(td); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1591 | |
Jens Axboe | 4896473 | 2013-04-11 12:01:48 +0200 | [diff] [blame] | 1592 | if (o->cpumask_set) { |
Jens Axboe | 0f7f9a9 | 2014-11-06 09:21:10 -0700 | [diff] [blame] | 1593 | ret = fio_cpuset_exit(&o->cpumask); |
| 1594 | if (ret) |
| 1595 | td_verror(td, ret, "fio_cpuset_exit"); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1596 | } |
| 1597 | |
| 1598 | /* |
| 1599 | * do this very late, it will log file closing as well |
| 1600 | */ |
Jens Axboe | 4896473 | 2013-04-11 12:01:48 +0200 | [diff] [blame] | 1601 | if (o->write_iolog_file) |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1602 | write_iolog_close(td); |
| 1603 | |
Jens Axboe | ea66e04 | 2014-02-10 13:57:09 -0700 | [diff] [blame] | 1604 | fio_mutex_remove(td->mutex); |
| 1605 | td->mutex = NULL; |
| 1606 | |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1607 | td_set_runstate(td, TD_EXITED); |
Jens Axboe | 0424786 | 2014-10-23 23:04:37 -0600 | [diff] [blame] | 1608 | |
| 1609 | /* |
| 1610 | * Do this last after setting our runstate to exited, so we |
| 1611 | * know that the stat thread is signaled. |
| 1612 | */ |
| 1613 | check_update_rusage(td); |
| 1614 | |
Bruce Cran | e43606c | 2012-02-20 09:34:24 +0100 | [diff] [blame] | 1615 | return (void *) (uintptr_t) td->error; |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1616 | } |
| 1617 | |
| 1618 | |
| 1619 | /* |
| 1620 | * We cannot pass the td data into a forked process, so attach the td and |
| 1621 | * pass it to the thread worker. |
| 1622 | */ |
| 1623 | static int fork_main(int shmid, int offset) |
| 1624 | { |
| 1625 | struct thread_data *td; |
| 1626 | void *data, *ret; |
| 1627 | |
Jens Axboe | ef7035a | 2014-06-18 15:30:09 -0700 | [diff] [blame] | 1628 | #if !defined(__hpux) && !defined(CONFIG_NO_SHM) |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1629 | data = shmat(shmid, NULL, 0); |
| 1630 | if (data == (void *) -1) { |
| 1631 | int __err = errno; |
| 1632 | |
| 1633 | perror("shmat"); |
| 1634 | return __err; |
| 1635 | } |
| 1636 | #else |
| 1637 | /* |
| 1638 | * HP-UX inherits shm mappings? |
| 1639 | */ |
| 1640 | data = threads; |
| 1641 | #endif |
| 1642 | |
| 1643 | td = data + offset * sizeof(struct thread_data); |
| 1644 | ret = thread_main(td); |
| 1645 | shmdt(data); |
Bruce Cran | e43606c | 2012-02-20 09:34:24 +0100 | [diff] [blame] | 1646 | return (int) (uintptr_t) ret; |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1647 | } |
| 1648 | |
Jens Axboe | 958b891 | 2014-07-09 08:46:12 +0200 | [diff] [blame] | 1649 | static void dump_td_info(struct thread_data *td) |
| 1650 | { |
| 1651 | log_err("fio: job '%s' hasn't exited in %lu seconds, it appears to " |
| 1652 | "be stuck. Doing forceful exit of this job.\n", td->o.name, |
| 1653 | (unsigned long) time_since_now(&td->terminate_time)); |
| 1654 | } |
| 1655 | |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1656 | /* |
| 1657 | * Run over the job map and reap the threads that have exited, if any. |
| 1658 | */ |
| 1659 | static void reap_threads(unsigned int *nr_running, unsigned int *t_rate, |
| 1660 | unsigned int *m_rate) |
| 1661 | { |
| 1662 | struct thread_data *td; |
| 1663 | unsigned int cputhreads, realthreads, pending; |
| 1664 | int i, status, ret; |
| 1665 | |
| 1666 | /* |
| 1667 | * reap exited threads (TD_EXITED -> TD_REAPED) |
| 1668 | */ |
| 1669 | realthreads = pending = cputhreads = 0; |
| 1670 | for_each_td(td, i) { |
| 1671 | int flags = 0; |
| 1672 | |
| 1673 | /* |
| 1674 | * ->io_ops is NULL for a thread that has closed its |
| 1675 | * io engine |
| 1676 | */ |
| 1677 | if (td->io_ops && !strcmp(td->io_ops->name, "cpuio")) |
| 1678 | cputhreads++; |
| 1679 | else |
| 1680 | realthreads++; |
| 1681 | |
| 1682 | if (!td->pid) { |
| 1683 | pending++; |
| 1684 | continue; |
| 1685 | } |
| 1686 | if (td->runstate == TD_REAPED) |
| 1687 | continue; |
| 1688 | if (td->o.use_thread) { |
| 1689 | if (td->runstate == TD_EXITED) { |
| 1690 | td_set_runstate(td, TD_REAPED); |
| 1691 | goto reaped; |
| 1692 | } |
| 1693 | continue; |
| 1694 | } |
| 1695 | |
| 1696 | flags = WNOHANG; |
| 1697 | if (td->runstate == TD_EXITED) |
| 1698 | flags = 0; |
| 1699 | |
| 1700 | /* |
| 1701 | * check if someone quit or got killed in an unusual way |
| 1702 | */ |
| 1703 | ret = waitpid(td->pid, &status, flags); |
| 1704 | if (ret < 0) { |
| 1705 | if (errno == ECHILD) { |
| 1706 | log_err("fio: pid=%d disappeared %d\n", |
| 1707 | (int) td->pid, td->runstate); |
Jens Axboe | a5e371a | 2012-04-02 09:47:09 -0700 | [diff] [blame] | 1708 | td->sig = ECHILD; |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1709 | td_set_runstate(td, TD_REAPED); |
| 1710 | goto reaped; |
| 1711 | } |
| 1712 | perror("waitpid"); |
| 1713 | } else if (ret == td->pid) { |
| 1714 | if (WIFSIGNALED(status)) { |
| 1715 | int sig = WTERMSIG(status); |
| 1716 | |
Jens Axboe | 36d80bc | 2012-11-30 21:46:06 +0100 | [diff] [blame] | 1717 | if (sig != SIGTERM && sig != SIGUSR2) |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1718 | log_err("fio: pid=%d, got signal=%d\n", |
| 1719 | (int) td->pid, sig); |
Jens Axboe | a5e371a | 2012-04-02 09:47:09 -0700 | [diff] [blame] | 1720 | td->sig = sig; |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1721 | td_set_runstate(td, TD_REAPED); |
| 1722 | goto reaped; |
| 1723 | } |
| 1724 | if (WIFEXITED(status)) { |
| 1725 | if (WEXITSTATUS(status) && !td->error) |
| 1726 | td->error = WEXITSTATUS(status); |
| 1727 | |
| 1728 | td_set_runstate(td, TD_REAPED); |
| 1729 | goto reaped; |
| 1730 | } |
| 1731 | } |
| 1732 | |
| 1733 | /* |
Jens Axboe | 958b891 | 2014-07-09 08:46:12 +0200 | [diff] [blame] | 1734 | * If the job is stuck, do a forceful timeout of it and |
| 1735 | * move on. |
| 1736 | */ |
| 1737 | if (td->terminate && |
| 1738 | time_since_now(&td->terminate_time) >= FIO_REAP_TIMEOUT) { |
| 1739 | dump_td_info(td); |
| 1740 | td_set_runstate(td, TD_REAPED); |
| 1741 | goto reaped; |
| 1742 | } |
| 1743 | |
| 1744 | /* |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1745 | * thread is not dead, continue |
| 1746 | */ |
| 1747 | pending++; |
| 1748 | continue; |
| 1749 | reaped: |
| 1750 | (*nr_running)--; |
Jens Axboe | 342f4be | 2012-09-14 08:59:20 +0200 | [diff] [blame] | 1751 | (*m_rate) -= ddir_rw_sum(td->o.ratemin); |
| 1752 | (*t_rate) -= ddir_rw_sum(td->o.rate); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1753 | if (!td->pid) |
| 1754 | pending--; |
| 1755 | |
| 1756 | if (td->error) |
| 1757 | exit_value++; |
| 1758 | |
| 1759 | done_secs += mtime_since_now(&td->epoch) / 1000; |
Jens Axboe | 4a88752 | 2013-05-23 12:33:08 +0200 | [diff] [blame] | 1760 | profile_td_exit(td); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1761 | } |
| 1762 | |
| 1763 | if (*nr_running == cputhreads && !pending && realthreads) |
| 1764 | fio_terminate_threads(TERMINATE_ALL); |
| 1765 | } |
| 1766 | |
Jens Axboe | de54cfd | 2014-11-10 20:34:00 -0700 | [diff] [blame] | 1767 | static int __check_trigger_file(void) |
| 1768 | { |
| 1769 | struct stat sb; |
| 1770 | |
| 1771 | if (!trigger_file) |
| 1772 | return 0; |
| 1773 | |
| 1774 | if (stat(trigger_file, &sb)) |
| 1775 | return 0; |
| 1776 | |
| 1777 | if (unlink(trigger_file) < 0) |
| 1778 | log_err("fio: failed to unlink %s: %s\n", trigger_file, |
| 1779 | strerror(errno)); |
| 1780 | |
| 1781 | return 1; |
| 1782 | } |
| 1783 | |
| 1784 | static int trigger_timedout(void) |
| 1785 | { |
| 1786 | if (trigger_timeout) |
| 1787 | return time_since_genesis() >= trigger_timeout; |
| 1788 | |
| 1789 | return 0; |
| 1790 | } |
| 1791 | |
| 1792 | void exec_trigger(const char *cmd) |
| 1793 | { |
| 1794 | int ret; |
| 1795 | |
| 1796 | if (!cmd) |
| 1797 | return; |
| 1798 | |
| 1799 | ret = system(cmd); |
| 1800 | if (ret == -1) |
| 1801 | log_err("fio: failed executing %s trigger\n", cmd); |
| 1802 | } |
| 1803 | |
| 1804 | void check_trigger_file(void) |
| 1805 | { |
| 1806 | if (__check_trigger_file() || trigger_timedout()) { |
Jens Axboe | 07f512c | 2014-11-19 09:21:16 -0700 | [diff] [blame] | 1807 | if (nr_clients) |
| 1808 | fio_clients_send_trigger(trigger_remote_cmd); |
| 1809 | else { |
Jens Axboe | de54cfd | 2014-11-10 20:34:00 -0700 | [diff] [blame] | 1810 | verify_save_state(); |
| 1811 | fio_terminate_threads(TERMINATE_ALL); |
| 1812 | exec_trigger(trigger_cmd); |
| 1813 | } |
| 1814 | } |
| 1815 | } |
| 1816 | |
| 1817 | static int fio_verify_load_state(struct thread_data *td) |
| 1818 | { |
| 1819 | int ret; |
| 1820 | |
| 1821 | if (!td->o.verify_state) |
| 1822 | return 0; |
| 1823 | |
| 1824 | if (is_backend) { |
| 1825 | void *data; |
| 1826 | |
| 1827 | ret = fio_server_get_verify_state(td->o.name, |
| 1828 | td->thread_number - 1, &data); |
| 1829 | if (!ret) |
| 1830 | verify_convert_assign_state(td, data); |
| 1831 | } else |
| 1832 | ret = verify_load_state(td, "local"); |
| 1833 | |
| 1834 | return ret; |
| 1835 | } |
| 1836 | |
Jens Axboe | 0646490 | 2013-04-24 20:38:54 -0600 | [diff] [blame] | 1837 | static void do_usleep(unsigned int usecs) |
| 1838 | { |
| 1839 | check_for_running_stats(); |
Jens Axboe | de54cfd | 2014-11-10 20:34:00 -0700 | [diff] [blame] | 1840 | check_trigger_file(); |
Jens Axboe | 0646490 | 2013-04-24 20:38:54 -0600 | [diff] [blame] | 1841 | usleep(usecs); |
| 1842 | } |
| 1843 | |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1844 | /* |
| 1845 | * Main function for kicking off and reaping jobs, as needed. |
| 1846 | */ |
| 1847 | static void run_threads(void) |
| 1848 | { |
| 1849 | struct thread_data *td; |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1850 | unsigned int i, todo, nr_running, m_rate, t_rate, nr_started; |
Jens Axboe | 0de5b26 | 2014-02-21 15:26:01 -0800 | [diff] [blame] | 1851 | uint64_t spent; |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1852 | |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1853 | if (fio_gtod_offload && fio_start_gtod_thread()) |
| 1854 | return; |
Bruce Cran | 334185e | 2013-11-01 12:32:40 -0600 | [diff] [blame] | 1855 | |
Huadong Liu | f2a2ce0 | 2013-01-30 13:22:24 +0100 | [diff] [blame] | 1856 | fio_idle_prof_init(); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1857 | |
| 1858 | set_sig_handlers(); |
| 1859 | |
Jens Axboe | 3a5f6bd | 2013-04-11 12:04:38 +0200 | [diff] [blame] | 1860 | nr_thread = nr_process = 0; |
| 1861 | for_each_td(td, i) { |
| 1862 | if (td->o.use_thread) |
| 1863 | nr_thread++; |
| 1864 | else |
| 1865 | nr_process++; |
| 1866 | } |
| 1867 | |
Jens Axboe | f3afa57 | 2012-09-17 13:34:16 +0200 | [diff] [blame] | 1868 | if (output_format == FIO_OUTPUT_NORMAL) { |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1869 | log_info("Starting "); |
| 1870 | if (nr_thread) |
| 1871 | log_info("%d thread%s", nr_thread, |
| 1872 | nr_thread > 1 ? "s" : ""); |
| 1873 | if (nr_process) { |
| 1874 | if (nr_thread) |
| 1875 | log_info(" and "); |
| 1876 | log_info("%d process%s", nr_process, |
| 1877 | nr_process > 1 ? "es" : ""); |
| 1878 | } |
| 1879 | log_info("\n"); |
Jens Axboe | bc2e69c | 2014-10-13 11:57:15 -0600 | [diff] [blame] | 1880 | log_info_flush(); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1881 | } |
| 1882 | |
| 1883 | todo = thread_number; |
| 1884 | nr_running = 0; |
| 1885 | nr_started = 0; |
| 1886 | m_rate = t_rate = 0; |
| 1887 | |
| 1888 | for_each_td(td, i) { |
| 1889 | print_status_init(td->thread_number - 1); |
| 1890 | |
| 1891 | if (!td->o.create_serialize) |
| 1892 | continue; |
| 1893 | |
Jens Axboe | de54cfd | 2014-11-10 20:34:00 -0700 | [diff] [blame] | 1894 | if (fio_verify_load_state(td)) |
| 1895 | goto reap; |
| 1896 | |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1897 | /* |
| 1898 | * do file setup here so it happens sequentially, |
| 1899 | * we don't want X number of threads getting their |
| 1900 | * client data interspersed on disk |
| 1901 | */ |
| 1902 | if (setup_files(td)) { |
Jens Axboe | de54cfd | 2014-11-10 20:34:00 -0700 | [diff] [blame] | 1903 | reap: |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1904 | exit_value++; |
| 1905 | if (td->error) |
| 1906 | log_err("fio: pid=%d, err=%d/%s\n", |
| 1907 | (int) td->pid, td->error, td->verror); |
| 1908 | td_set_runstate(td, TD_REAPED); |
| 1909 | todo--; |
| 1910 | } else { |
| 1911 | struct fio_file *f; |
| 1912 | unsigned int j; |
| 1913 | |
| 1914 | /* |
| 1915 | * for sharing to work, each job must always open |
| 1916 | * its own files. so close them, if we opened them |
| 1917 | * for creation |
| 1918 | */ |
| 1919 | for_each_file(td, f, j) { |
| 1920 | if (fio_file_open(f)) |
| 1921 | td_io_close_file(td, f); |
| 1922 | } |
| 1923 | } |
| 1924 | } |
| 1925 | |
Huadong Liu | f2a2ce0 | 2013-01-30 13:22:24 +0100 | [diff] [blame] | 1926 | /* start idle threads before io threads start to run */ |
| 1927 | fio_idle_prof_start(); |
| 1928 | |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1929 | set_genesis_time(); |
| 1930 | |
| 1931 | while (todo) { |
| 1932 | struct thread_data *map[REAL_MAX_JOBS]; |
| 1933 | struct timeval this_start; |
| 1934 | int this_jobs = 0, left; |
| 1935 | |
| 1936 | /* |
| 1937 | * create threads (TD_NOT_CREATED -> TD_CREATED) |
| 1938 | */ |
| 1939 | for_each_td(td, i) { |
| 1940 | if (td->runstate != TD_NOT_CREATED) |
| 1941 | continue; |
| 1942 | |
| 1943 | /* |
| 1944 | * never got a chance to start, killed by other |
| 1945 | * thread for some reason |
| 1946 | */ |
| 1947 | if (td->terminate) { |
| 1948 | todo--; |
| 1949 | continue; |
| 1950 | } |
| 1951 | |
| 1952 | if (td->o.start_delay) { |
Jens Axboe | 0de5b26 | 2014-02-21 15:26:01 -0800 | [diff] [blame] | 1953 | spent = utime_since_genesis(); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1954 | |
Christian Ehrhardt | 74454ce | 2014-02-20 14:20:01 +0100 | [diff] [blame] | 1955 | if (td->o.start_delay > spent) |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1956 | continue; |
| 1957 | } |
| 1958 | |
| 1959 | if (td->o.stonewall && (nr_started || nr_running)) { |
| 1960 | dprint(FD_PROCESS, "%s: stonewall wait\n", |
| 1961 | td->o.name); |
| 1962 | break; |
| 1963 | } |
| 1964 | |
| 1965 | init_disk_util(td); |
| 1966 | |
Jens Axboe | c97f1ad | 2013-03-28 15:08:49 -0600 | [diff] [blame] | 1967 | td->rusage_sem = fio_mutex_init(FIO_MUTEX_LOCKED); |
| 1968 | td->update_rusage = 0; |
| 1969 | |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 1970 | /* |
| 1971 | * Set state to created. Thread will transition |
| 1972 | * to TD_INITIALIZED when it's done setting up. |
| 1973 | */ |
| 1974 | td_set_runstate(td, TD_CREATED); |
| 1975 | map[this_jobs++] = td; |
| 1976 | nr_started++; |
| 1977 | |
| 1978 | if (td->o.use_thread) { |
| 1979 | int ret; |
| 1980 | |
| 1981 | dprint(FD_PROCESS, "will pthread_create\n"); |
| 1982 | ret = pthread_create(&td->thread, NULL, |
| 1983 | thread_main, td); |
| 1984 | if (ret) { |
| 1985 | log_err("pthread_create: %s\n", |
| 1986 | strerror(ret)); |
| 1987 | nr_started--; |
| 1988 | break; |
| 1989 | } |
| 1990 | ret = pthread_detach(td->thread); |
| 1991 | if (ret) |
| 1992 | log_err("pthread_detach: %s", |
| 1993 | strerror(ret)); |
| 1994 | } else { |
| 1995 | pid_t pid; |
| 1996 | dprint(FD_PROCESS, "will fork\n"); |
| 1997 | pid = fork(); |
| 1998 | if (!pid) { |
| 1999 | int ret = fork_main(shm_id, i); |
| 2000 | |
| 2001 | _exit(ret); |
| 2002 | } else if (i == fio_debug_jobno) |
| 2003 | *fio_debug_jobp = pid; |
| 2004 | } |
| 2005 | dprint(FD_MUTEX, "wait on startup_mutex\n"); |
| 2006 | if (fio_mutex_down_timeout(startup_mutex, 10)) { |
| 2007 | log_err("fio: job startup hung? exiting.\n"); |
| 2008 | fio_terminate_threads(TERMINATE_ALL); |
| 2009 | fio_abort = 1; |
| 2010 | nr_started--; |
| 2011 | break; |
| 2012 | } |
| 2013 | dprint(FD_MUTEX, "done waiting on startup_mutex\n"); |
| 2014 | } |
| 2015 | |
| 2016 | /* |
| 2017 | * Wait for the started threads to transition to |
| 2018 | * TD_INITIALIZED. |
| 2019 | */ |
| 2020 | fio_gettime(&this_start, NULL); |
| 2021 | left = this_jobs; |
| 2022 | while (left && !fio_abort) { |
| 2023 | if (mtime_since_now(&this_start) > JOB_START_TIMEOUT) |
| 2024 | break; |
| 2025 | |
Jens Axboe | 0646490 | 2013-04-24 20:38:54 -0600 | [diff] [blame] | 2026 | do_usleep(100000); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 2027 | |
| 2028 | for (i = 0; i < this_jobs; i++) { |
| 2029 | td = map[i]; |
| 2030 | if (!td) |
| 2031 | continue; |
| 2032 | if (td->runstate == TD_INITIALIZED) { |
| 2033 | map[i] = NULL; |
| 2034 | left--; |
| 2035 | } else if (td->runstate >= TD_EXITED) { |
| 2036 | map[i] = NULL; |
| 2037 | left--; |
| 2038 | todo--; |
| 2039 | nr_running++; /* work-around... */ |
| 2040 | } |
| 2041 | } |
| 2042 | } |
| 2043 | |
| 2044 | if (left) { |
Jens Axboe | 4e87c37 | 2012-02-15 14:27:08 +0100 | [diff] [blame] | 2045 | log_err("fio: %d job%s failed to start\n", left, |
| 2046 | left > 1 ? "s" : ""); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 2047 | for (i = 0; i < this_jobs; i++) { |
| 2048 | td = map[i]; |
| 2049 | if (!td) |
| 2050 | continue; |
| 2051 | kill(td->pid, SIGTERM); |
| 2052 | } |
| 2053 | break; |
| 2054 | } |
| 2055 | |
| 2056 | /* |
| 2057 | * start created threads (TD_INITIALIZED -> TD_RUNNING). |
| 2058 | */ |
| 2059 | for_each_td(td, i) { |
| 2060 | if (td->runstate != TD_INITIALIZED) |
| 2061 | continue; |
| 2062 | |
| 2063 | if (in_ramp_time(td)) |
| 2064 | td_set_runstate(td, TD_RAMP); |
| 2065 | else |
| 2066 | td_set_runstate(td, TD_RUNNING); |
| 2067 | nr_running++; |
| 2068 | nr_started--; |
Jens Axboe | 342f4be | 2012-09-14 08:59:20 +0200 | [diff] [blame] | 2069 | m_rate += ddir_rw_sum(td->o.ratemin); |
| 2070 | t_rate += ddir_rw_sum(td->o.rate); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 2071 | todo--; |
| 2072 | fio_mutex_up(td->mutex); |
| 2073 | } |
| 2074 | |
| 2075 | reap_threads(&nr_running, &t_rate, &m_rate); |
| 2076 | |
Jens Axboe | 122c772 | 2012-03-19 09:13:15 +0100 | [diff] [blame] | 2077 | if (todo) |
Jens Axboe | 0646490 | 2013-04-24 20:38:54 -0600 | [diff] [blame] | 2078 | do_usleep(100000); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 2079 | } |
| 2080 | |
| 2081 | while (nr_running) { |
| 2082 | reap_threads(&nr_running, &t_rate, &m_rate); |
Jens Axboe | 0646490 | 2013-04-24 20:38:54 -0600 | [diff] [blame] | 2083 | do_usleep(10000); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 2084 | } |
| 2085 | |
Huadong Liu | f2a2ce0 | 2013-01-30 13:22:24 +0100 | [diff] [blame] | 2086 | fio_idle_prof_stop(); |
| 2087 | |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 2088 | update_io_ticks(); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 2089 | } |
| 2090 | |
Jens Axboe | 7fe3631 | 2014-10-23 23:16:50 -0600 | [diff] [blame] | 2091 | static void wait_for_helper_thread_exit(void) |
Jens Axboe | 9ec7779 | 2012-08-02 08:27:41 +0200 | [diff] [blame] | 2092 | { |
Jens Axboe | 62244c9 | 2014-10-23 08:53:33 -0600 | [diff] [blame] | 2093 | void *ret; |
| 2094 | |
Jens Axboe | 1266d3f | 2014-10-23 23:47:01 -0600 | [diff] [blame] | 2095 | helper_exit = 1; |
Jens Axboe | 7fe3631 | 2014-10-23 23:16:50 -0600 | [diff] [blame] | 2096 | pthread_cond_signal(&helper_cond); |
| 2097 | pthread_join(helper_thread, &ret); |
Jens Axboe | 9ec7779 | 2012-08-02 08:27:41 +0200 | [diff] [blame] | 2098 | } |
| 2099 | |
Jens Axboe | 2735718 | 2012-09-27 11:31:50 +0200 | [diff] [blame] | 2100 | static void free_disk_util(void) |
| 2101 | { |
Jens Axboe | 2735718 | 2012-09-27 11:31:50 +0200 | [diff] [blame] | 2102 | disk_util_prune_entries(); |
Jens Axboe | 62244c9 | 2014-10-23 08:53:33 -0600 | [diff] [blame] | 2103 | |
Jens Axboe | 7fe3631 | 2014-10-23 23:16:50 -0600 | [diff] [blame] | 2104 | pthread_cond_destroy(&helper_cond); |
Jens Axboe | 2735718 | 2012-09-27 11:31:50 +0200 | [diff] [blame] | 2105 | } |
| 2106 | |
Jens Axboe | 7fe3631 | 2014-10-23 23:16:50 -0600 | [diff] [blame] | 2107 | static void *helper_thread_main(void *data) |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 2108 | { |
Jens Axboe | 9ec7779 | 2012-08-02 08:27:41 +0200 | [diff] [blame] | 2109 | int ret = 0; |
| 2110 | |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 2111 | fio_mutex_up(startup_mutex); |
| 2112 | |
Jens Axboe | 62244c9 | 2014-10-23 08:53:33 -0600 | [diff] [blame] | 2113 | while (!ret) { |
| 2114 | uint64_t sec = DISK_UTIL_MSEC / 1000; |
| 2115 | uint64_t nsec = (DISK_UTIL_MSEC % 1000) * 1000000; |
| 2116 | struct timespec ts; |
| 2117 | struct timeval tv; |
| 2118 | |
| 2119 | gettimeofday(&tv, NULL); |
| 2120 | ts.tv_sec = tv.tv_sec + sec; |
| 2121 | ts.tv_nsec = (tv.tv_usec * 1000) + nsec; |
| 2122 | if (ts.tv_nsec > 1000000000ULL) { |
| 2123 | ts.tv_nsec -= 1000000000ULL; |
| 2124 | ts.tv_sec++; |
| 2125 | } |
| 2126 | |
Jens Axboe | 7fe3631 | 2014-10-23 23:16:50 -0600 | [diff] [blame] | 2127 | pthread_cond_timedwait(&helper_cond, &helper_lock, &ts); |
Jens Axboe | 62244c9 | 2014-10-23 08:53:33 -0600 | [diff] [blame] | 2128 | |
Jens Axboe | 9ec7779 | 2012-08-02 08:27:41 +0200 | [diff] [blame] | 2129 | ret = update_io_ticks(); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 2130 | |
Jens Axboe | 7fe3631 | 2014-10-23 23:16:50 -0600 | [diff] [blame] | 2131 | if (helper_do_stat) { |
| 2132 | helper_do_stat = 0; |
| 2133 | __show_running_run_stats(); |
| 2134 | } |
| 2135 | |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 2136 | if (!is_backend) |
| 2137 | print_thread_status(); |
| 2138 | } |
| 2139 | |
| 2140 | return NULL; |
| 2141 | } |
| 2142 | |
Jens Axboe | 7fe3631 | 2014-10-23 23:16:50 -0600 | [diff] [blame] | 2143 | static int create_helper_thread(void) |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 2144 | { |
| 2145 | int ret; |
| 2146 | |
Jens Axboe | 9ec7779 | 2012-08-02 08:27:41 +0200 | [diff] [blame] | 2147 | setup_disk_util(); |
| 2148 | |
Jens Axboe | 7fe3631 | 2014-10-23 23:16:50 -0600 | [diff] [blame] | 2149 | pthread_cond_init(&helper_cond, NULL); |
| 2150 | pthread_mutex_init(&helper_lock, NULL); |
Jens Axboe | 62244c9 | 2014-10-23 08:53:33 -0600 | [diff] [blame] | 2151 | |
Jens Axboe | 7fe3631 | 2014-10-23 23:16:50 -0600 | [diff] [blame] | 2152 | ret = pthread_create(&helper_thread, NULL, helper_thread_main, NULL); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 2153 | if (ret) { |
Jens Axboe | 7fe3631 | 2014-10-23 23:16:50 -0600 | [diff] [blame] | 2154 | log_err("Can't create helper thread: %s\n", strerror(ret)); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 2155 | return 1; |
| 2156 | } |
| 2157 | |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 2158 | dprint(FD_MUTEX, "wait on startup_mutex\n"); |
| 2159 | fio_mutex_down(startup_mutex); |
| 2160 | dprint(FD_MUTEX, "done waiting on startup_mutex\n"); |
| 2161 | return 0; |
| 2162 | } |
| 2163 | |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 2164 | int fio_backend(void) |
| 2165 | { |
| 2166 | struct thread_data *td; |
| 2167 | int i; |
| 2168 | |
| 2169 | if (exec_profile) { |
| 2170 | if (load_profile(exec_profile)) |
| 2171 | return 1; |
| 2172 | free(exec_profile); |
| 2173 | exec_profile = NULL; |
| 2174 | } |
| 2175 | if (!thread_number) |
| 2176 | return 0; |
| 2177 | |
| 2178 | if (write_bw_log) { |
Jens Axboe | 38a812d | 2014-07-03 09:10:39 -0600 | [diff] [blame] | 2179 | struct log_params p = { |
| 2180 | .log_type = IO_LOG_TYPE_BW, |
| 2181 | }; |
| 2182 | |
| 2183 | setup_log(&agg_io_log[DDIR_READ], &p, "agg-read_bw.log"); |
| 2184 | setup_log(&agg_io_log[DDIR_WRITE], &p, "agg-write_bw.log"); |
| 2185 | setup_log(&agg_io_log[DDIR_TRIM], &p, "agg-trim_bw.log"); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 2186 | } |
| 2187 | |
Jens Axboe | 521da52 | 2012-08-02 11:21:36 +0200 | [diff] [blame] | 2188 | startup_mutex = fio_mutex_init(FIO_MUTEX_LOCKED); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 2189 | if (startup_mutex == NULL) |
| 2190 | return 1; |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 2191 | |
| 2192 | set_genesis_time(); |
Jens Axboe | cef9175 | 2013-04-26 17:05:57 -0600 | [diff] [blame] | 2193 | stat_init(); |
Jens Axboe | 7fe3631 | 2014-10-23 23:16:50 -0600 | [diff] [blame] | 2194 | create_helper_thread(); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 2195 | |
| 2196 | cgroup_list = smalloc(sizeof(*cgroup_list)); |
| 2197 | INIT_FLIST_HEAD(cgroup_list); |
| 2198 | |
| 2199 | run_threads(); |
| 2200 | |
Jens Axboe | 7fe3631 | 2014-10-23 23:16:50 -0600 | [diff] [blame] | 2201 | wait_for_helper_thread_exit(); |
Jens Axboe | 62244c9 | 2014-10-23 08:53:33 -0600 | [diff] [blame] | 2202 | |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 2203 | if (!fio_abort) { |
Jens Axboe | 2e62724 | 2014-07-25 09:51:56 +0200 | [diff] [blame] | 2204 | __show_run_stats(); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 2205 | if (write_bw_log) { |
Jens Axboe | 987c4f4 | 2014-07-01 16:29:12 -0600 | [diff] [blame] | 2206 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
| 2207 | struct io_log *log = agg_io_log[i]; |
| 2208 | |
Jens Axboe | 38a812d | 2014-07-03 09:10:39 -0600 | [diff] [blame] | 2209 | flush_log(log); |
Jens Axboe | 633d825 | 2014-07-02 13:36:34 -0600 | [diff] [blame] | 2210 | free_log(log); |
Jens Axboe | 987c4f4 | 2014-07-01 16:29:12 -0600 | [diff] [blame] | 2211 | } |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 2212 | } |
| 2213 | } |
| 2214 | |
Jens Axboe | 0424786 | 2014-10-23 23:04:37 -0600 | [diff] [blame] | 2215 | for_each_td(td, i) { |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 2216 | fio_options_free(td); |
Jens Axboe | b89f89e | 2014-11-10 14:08:50 -0700 | [diff] [blame] | 2217 | if (td->rusage_sem) { |
| 2218 | fio_mutex_remove(td->rusage_sem); |
| 2219 | td->rusage_sem = NULL; |
| 2220 | } |
Jens Axboe | 0424786 | 2014-10-23 23:04:37 -0600 | [diff] [blame] | 2221 | } |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 2222 | |
Jens Axboe | a462bae | 2012-03-30 08:33:27 +0200 | [diff] [blame] | 2223 | free_disk_util(); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 2224 | cgroup_kill(cgroup_list); |
| 2225 | sfree(cgroup_list); |
| 2226 | sfree(cgroup_mnt); |
| 2227 | |
| 2228 | fio_mutex_remove(startup_mutex); |
Jens Axboe | cef9175 | 2013-04-26 17:05:57 -0600 | [diff] [blame] | 2229 | stat_exit(); |
Jens Axboe | 2e1df07 | 2012-02-09 11:15:02 +0100 | [diff] [blame] | 2230 | return exit_value; |
| 2231 | } |