Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1 | /* |
| 2 | * fio - the flexible io tester |
| 3 | * |
| 4 | * Copyright (C) 2005 Jens Axboe <axboe@suse.de> |
Jens Axboe | aae22ca | 2006-09-05 10:46:22 +0200 | [diff] [blame] | 5 | * Copyright (C) 2006 Jens Axboe <axboe@kernel.dk> |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 6 | * |
Jens Axboe | 8e9fe63 | 2006-10-24 15:11:09 +0200 | [diff] [blame] | 7 | * The license below covers all files distributed with fio unless otherwise |
| 8 | * noted in the file itself. |
| 9 | * |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 10 | * This program is free software; you can redistribute it and/or modify |
Jens Axboe | 8e9fe63 | 2006-10-24 15:11:09 +0200 | [diff] [blame] | 11 | * it under the terms of the GNU General Public License version 2 as |
| 12 | * published by the Free Software Foundation. |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 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 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 24 | #include <unistd.h> |
| 25 | #include <fcntl.h> |
| 26 | #include <string.h> |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 27 | #include <signal.h> |
| 28 | #include <time.h> |
Jens Axboe | dbe1125 | 2007-02-11 00:19:51 +0100 | [diff] [blame] | 29 | #include <locale.h> |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 30 | #include <assert.h> |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 31 | #include <sys/stat.h> |
| 32 | #include <sys/wait.h> |
| 33 | #include <sys/ipc.h> |
| 34 | #include <sys/shm.h> |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 35 | #include <sys/mman.h> |
| 36 | |
| 37 | #include "fio.h" |
Jens Axboe | 210f43b | 2007-04-17 19:52:18 +0200 | [diff] [blame] | 38 | #include "hash.h" |
Jens Axboe | 2e5cdb1 | 2008-03-01 18:52:49 +0100 | [diff] [blame] | 39 | #include "smalloc.h" |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 40 | |
Jens Axboe | cfc99db | 2007-03-14 10:34:47 +0100 | [diff] [blame] | 41 | unsigned long page_mask; |
| 42 | unsigned long page_size; |
Jens Axboe | 29d610e | 2007-02-06 13:25:33 +0100 | [diff] [blame] | 43 | #define ALIGN(buf) \ |
| 44 | (char *) (((unsigned long) (buf) + page_mask) & ~page_mask) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 45 | |
| 46 | int groupid = 0; |
| 47 | int thread_number = 0; |
Jens Axboe | 9cedf16 | 2007-03-12 11:29:30 +0100 | [diff] [blame] | 48 | int nr_process = 0; |
| 49 | int nr_thread = 0; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 50 | int shm_id = 0; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 51 | int temp_stall_ts; |
Jens Axboe | d3eeeab | 2008-04-06 12:19:05 +0200 | [diff] [blame] | 52 | unsigned long done_secs = 0; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 53 | |
Jens Axboe | cdd18ad | 2008-02-27 18:58:00 +0100 | [diff] [blame] | 54 | static struct fio_mutex *startup_mutex; |
Jens Axboe | 6ce15a3 | 2007-01-12 09:04:41 +0100 | [diff] [blame] | 55 | static volatile int fio_abort; |
Jens Axboe | 437c9b7 | 2007-02-13 18:20:37 +0100 | [diff] [blame] | 56 | static int exit_value; |
Jens Axboe | ccb0fa2 | 2008-05-30 23:18:00 +0200 | [diff] [blame] | 57 | static struct itimerval itimer; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 58 | |
Jens Axboe | bb3884d | 2007-01-17 17:23:11 +1100 | [diff] [blame] | 59 | struct io_log *agg_io_log[2]; |
| 60 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 61 | #define TERMINATE_ALL (-1) |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 62 | #define JOB_START_TIMEOUT (5 * 1000) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 63 | |
Jens Axboe | b29ee5b | 2008-09-11 10:17:26 +0200 | [diff] [blame] | 64 | void td_set_runstate(struct thread_data *td, int runstate) |
Jens Axboe | 6ce15a3 | 2007-01-12 09:04:41 +0100 | [diff] [blame] | 65 | { |
Jens Axboe | d8fab1b | 2008-03-06 10:25:17 +0100 | [diff] [blame] | 66 | if (td->runstate == runstate) |
| 67 | return; |
| 68 | |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 69 | dprint(FD_PROCESS, "pid=%d: runstate %d -> %d\n", (int) td->pid, |
| 70 | td->runstate, runstate); |
Jens Axboe | 6ce15a3 | 2007-01-12 09:04:41 +0100 | [diff] [blame] | 71 | td->runstate = runstate; |
| 72 | } |
| 73 | |
Jens Axboe | 390c40e | 2007-03-05 12:35:29 +0100 | [diff] [blame] | 74 | static void terminate_threads(int group_id) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 75 | { |
Jens Axboe | 34572e2 | 2006-10-20 09:33:18 +0200 | [diff] [blame] | 76 | struct thread_data *td; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 77 | int i; |
| 78 | |
Jens Axboe | 6f88bcb | 2008-03-19 10:29:07 +0100 | [diff] [blame] | 79 | dprint(FD_PROCESS, "terminate group_id=%d\n", group_id); |
| 80 | |
Jens Axboe | 34572e2 | 2006-10-20 09:33:18 +0200 | [diff] [blame] | 81 | for_each_td(td, i) { |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 82 | if (group_id == TERMINATE_ALL || groupid == td->groupid) { |
Jens Axboe | 6f88bcb | 2008-03-19 10:29:07 +0100 | [diff] [blame] | 83 | dprint(FD_PROCESS, "setting terminate on %s/%d\n", |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 84 | td->o.name, (int) td->pid); |
Jens Axboe | ad830ed | 2008-02-18 21:11:24 +0100 | [diff] [blame] | 85 | td->terminate = 1; |
| 86 | td->o.start_delay = 0; |
| 87 | |
Jens Axboe | 7a93ab1 | 2007-04-18 12:25:41 +0200 | [diff] [blame] | 88 | /* |
| 89 | * if the thread is running, just let it exit |
| 90 | */ |
| 91 | if (td->runstate < TD_RUNNING) |
Jens Axboe | c1302d4 | 2007-03-05 20:18:31 +0100 | [diff] [blame] | 92 | kill(td->pid, SIGQUIT); |
Jens Axboe | f63f7f3 | 2008-03-01 15:25:24 +0100 | [diff] [blame] | 93 | else { |
| 94 | struct ioengine_ops *ops = td->io_ops; |
| 95 | |
| 96 | if (ops && (ops->flags & FIO_SIGQUIT)) |
| 97 | kill(td->pid, SIGQUIT); |
| 98 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 99 | } |
| 100 | } |
| 101 | } |
| 102 | |
Jens Axboe | ccb0fa2 | 2008-05-30 23:18:00 +0200 | [diff] [blame] | 103 | static void status_timer_arm(void) |
| 104 | { |
| 105 | itimer.it_value.tv_sec = 0; |
| 106 | itimer.it_value.tv_usec = DISK_UTIL_MSEC * 1000; |
| 107 | setitimer(ITIMER_REAL, &itimer, NULL); |
| 108 | } |
| 109 | |
Jens Axboe | 02444ad | 2008-10-07 11:33:00 +0200 | [diff] [blame] | 110 | static void sig_alrm(int fio_unused sig) |
Jens Axboe | ccb0fa2 | 2008-05-30 23:18:00 +0200 | [diff] [blame] | 111 | { |
Jens Axboe | 697a606 | 2008-05-31 00:04:45 +0200 | [diff] [blame] | 112 | if (threads) { |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 113 | update_io_ticks(); |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 114 | print_thread_status(); |
Jens Axboe | ccb0fa2 | 2008-05-30 23:18:00 +0200 | [diff] [blame] | 115 | status_timer_arm(); |
Jens Axboe | 697a606 | 2008-05-31 00:04:45 +0200 | [diff] [blame] | 116 | } |
| 117 | } |
| 118 | |
| 119 | static void sig_int(int sig) |
| 120 | { |
| 121 | if (threads) { |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 122 | printf("\nfio: terminating on signal %d\n", sig); |
| 123 | fflush(stdout); |
| 124 | terminate_threads(TERMINATE_ALL); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 125 | } |
| 126 | } |
| 127 | |
Jens Axboe | 02444ad | 2008-10-07 11:33:00 +0200 | [diff] [blame] | 128 | static void sig_ill(int fio_unused sig) |
Jens Axboe | de79c91 | 2008-08-04 21:43:55 +0200 | [diff] [blame] | 129 | { |
| 130 | if (!threads) |
| 131 | return; |
| 132 | |
| 133 | log_err("fio: illegal instruction. your cpu does not support " |
| 134 | "the sse4.2 instruction for crc32c\n"); |
| 135 | terminate_threads(TERMINATE_ALL); |
| 136 | exit(4); |
| 137 | } |
| 138 | |
Jens Axboe | 697a606 | 2008-05-31 00:04:45 +0200 | [diff] [blame] | 139 | static void set_sig_handlers(void) |
| 140 | { |
| 141 | struct sigaction act; |
| 142 | |
| 143 | memset(&act, 0, sizeof(act)); |
| 144 | act.sa_handler = sig_alrm; |
| 145 | act.sa_flags = SA_RESTART; |
| 146 | sigaction(SIGALRM, &act, NULL); |
| 147 | |
| 148 | memset(&act, 0, sizeof(act)); |
| 149 | act.sa_handler = sig_int; |
| 150 | act.sa_flags = SA_RESTART; |
| 151 | sigaction(SIGINT, &act, NULL); |
Jens Axboe | de79c91 | 2008-08-04 21:43:55 +0200 | [diff] [blame] | 152 | |
| 153 | memset(&act, 0, sizeof(act)); |
| 154 | act.sa_handler = sig_ill; |
| 155 | act.sa_flags = SA_RESTART; |
| 156 | sigaction(SIGILL, &act, NULL); |
Jens Axboe | 697a606 | 2008-05-31 00:04:45 +0200 | [diff] [blame] | 157 | } |
| 158 | |
Jens Axboe | 993bf48 | 2008-11-14 13:04:53 +0100 | [diff] [blame^] | 159 | static inline int should_check_rate(struct thread_data *td) |
| 160 | { |
| 161 | /* |
| 162 | * No minimum rate set, always ok |
| 163 | */ |
| 164 | if (!td->o.ratemin && !td->o.rate_iops_min) |
| 165 | return 0; |
| 166 | |
| 167 | return 1; |
| 168 | } |
| 169 | |
Jens Axboe | 697a606 | 2008-05-31 00:04:45 +0200 | [diff] [blame] | 170 | /* |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 171 | * Check if we are above the minimum rate given. |
| 172 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 173 | static int check_min_rate(struct thread_data *td, struct timeval *now) |
| 174 | { |
Jens Axboe | 0904200 | 2007-02-23 10:56:22 +0100 | [diff] [blame] | 175 | unsigned long long bytes = 0; |
Jens Axboe | 4e991c2 | 2007-03-15 11:41:11 +0100 | [diff] [blame] | 176 | unsigned long iops = 0; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 177 | unsigned long spent; |
| 178 | unsigned long rate; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 179 | |
| 180 | /* |
| 181 | * allow a 2 second settle period in the beginning |
| 182 | */ |
| 183 | if (mtime_since(&td->start, now) < 2000) |
| 184 | return 0; |
| 185 | |
Jens Axboe | 4e991c2 | 2007-03-15 11:41:11 +0100 | [diff] [blame] | 186 | if (td_read(td)) { |
| 187 | iops += td->io_blocks[DDIR_READ]; |
Jens Axboe | 0904200 | 2007-02-23 10:56:22 +0100 | [diff] [blame] | 188 | bytes += td->this_io_bytes[DDIR_READ]; |
Jens Axboe | 4e991c2 | 2007-03-15 11:41:11 +0100 | [diff] [blame] | 189 | } |
| 190 | if (td_write(td)) { |
| 191 | iops += td->io_blocks[DDIR_WRITE]; |
Jens Axboe | 0904200 | 2007-02-23 10:56:22 +0100 | [diff] [blame] | 192 | bytes += td->this_io_bytes[DDIR_WRITE]; |
Jens Axboe | 4e991c2 | 2007-03-15 11:41:11 +0100 | [diff] [blame] | 193 | } |
Jens Axboe | 0904200 | 2007-02-23 10:56:22 +0100 | [diff] [blame] | 194 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 195 | /* |
| 196 | * if rate blocks is set, sample is running |
| 197 | */ |
Jens Axboe | 4e991c2 | 2007-03-15 11:41:11 +0100 | [diff] [blame] | 198 | if (td->rate_bytes || td->rate_blocks) { |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 199 | spent = mtime_since(&td->lastrate, now); |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 200 | if (spent < td->o.ratecycle) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 201 | return 0; |
| 202 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 203 | if (td->o.rate) { |
Jens Axboe | 4e991c2 | 2007-03-15 11:41:11 +0100 | [diff] [blame] | 204 | /* |
| 205 | * check bandwidth specified rate |
| 206 | */ |
| 207 | if (bytes < td->rate_bytes) { |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 208 | log_err("%s: min rate %u not met\n", td->o.name, |
| 209 | td->o.ratemin); |
Jens Axboe | 413dd45 | 2007-02-23 09:26:09 +0100 | [diff] [blame] | 210 | return 1; |
Jens Axboe | 4e991c2 | 2007-03-15 11:41:11 +0100 | [diff] [blame] | 211 | } else { |
| 212 | rate = (bytes - td->rate_bytes) / spent; |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 213 | if (rate < td->o.ratemin || |
| 214 | bytes < td->rate_bytes) { |
| 215 | log_err("%s: min rate %u not met, got" |
| 216 | " %luKiB/sec\n", td->o.name, |
| 217 | td->o.ratemin, rate); |
Jens Axboe | 4e991c2 | 2007-03-15 11:41:11 +0100 | [diff] [blame] | 218 | return 1; |
| 219 | } |
| 220 | } |
| 221 | } else { |
| 222 | /* |
| 223 | * checks iops specified rate |
| 224 | */ |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 225 | if (iops < td->o.rate_iops) { |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 226 | log_err("%s: min iops rate %u not met\n", |
| 227 | td->o.name, td->o.rate_iops); |
Jens Axboe | 4e991c2 | 2007-03-15 11:41:11 +0100 | [diff] [blame] | 228 | return 1; |
| 229 | } else { |
| 230 | rate = (iops - td->rate_blocks) / spent; |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 231 | if (rate < td->o.rate_iops_min || |
| 232 | iops < td->rate_blocks) { |
| 233 | log_err("%s: min iops rate %u not met," |
| 234 | " got %lu\n", td->o.name, |
| 235 | td->o.rate_iops_min, |
| 236 | rate); |
Jens Axboe | 4e991c2 | 2007-03-15 11:41:11 +0100 | [diff] [blame] | 237 | } |
Jens Axboe | 413dd45 | 2007-02-23 09:26:09 +0100 | [diff] [blame] | 238 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 239 | } |
| 240 | } |
| 241 | |
Jens Axboe | 0904200 | 2007-02-23 10:56:22 +0100 | [diff] [blame] | 242 | td->rate_bytes = bytes; |
Jens Axboe | 4e991c2 | 2007-03-15 11:41:11 +0100 | [diff] [blame] | 243 | td->rate_blocks = iops; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 244 | memcpy(&td->lastrate, now, sizeof(*now)); |
| 245 | return 0; |
| 246 | } |
| 247 | |
| 248 | static inline int runtime_exceeded(struct thread_data *td, struct timeval *t) |
| 249 | { |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 250 | if (!td->o.timeout) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 251 | return 0; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 252 | if (mtime_since(&td->epoch, t) >= td->o.timeout * 1000) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 253 | return 1; |
| 254 | |
| 255 | return 0; |
| 256 | } |
| 257 | |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 258 | /* |
| 259 | * When job exits, we can cancel the in-flight IO if we are using async |
| 260 | * io. Attempt to do so. |
| 261 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 262 | static void cleanup_pending_aio(struct thread_data *td) |
| 263 | { |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 264 | struct flist_head *entry, *n; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 265 | struct io_u *io_u; |
| 266 | int r; |
| 267 | |
| 268 | /* |
| 269 | * get immediately available events, if any |
| 270 | */ |
Jens Axboe | d7762cf | 2007-02-23 12:34:57 +0100 | [diff] [blame] | 271 | r = io_u_queued_complete(td, 0); |
Jens Axboe | b2fdda4 | 2007-02-20 20:52:51 +0100 | [diff] [blame] | 272 | if (r < 0) |
| 273 | return; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 274 | |
| 275 | /* |
| 276 | * now cancel remaining active events |
| 277 | */ |
Jens Axboe | 2866c82 | 2006-10-09 15:57:48 +0200 | [diff] [blame] | 278 | if (td->io_ops->cancel) { |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 279 | flist_for_each_safe(entry, n, &td->io_u_busylist) { |
| 280 | io_u = flist_entry(entry, struct io_u, list); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 281 | |
Jens Axboe | 0c6e751 | 2007-02-22 11:19:39 +0100 | [diff] [blame] | 282 | /* |
| 283 | * if the io_u isn't in flight, then that generally |
| 284 | * means someone leaked an io_u. complain but fix |
| 285 | * it up, so we don't stall here. |
| 286 | */ |
| 287 | if ((io_u->flags & IO_U_F_FLIGHT) == 0) { |
| 288 | log_err("fio: non-busy IO on busy list\n"); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 289 | put_io_u(td, io_u); |
Jens Axboe | 0c6e751 | 2007-02-22 11:19:39 +0100 | [diff] [blame] | 290 | } else { |
| 291 | r = td->io_ops->cancel(td, io_u); |
| 292 | if (!r) |
| 293 | put_io_u(td, io_u); |
| 294 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 295 | } |
| 296 | } |
| 297 | |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 298 | if (td->cur_depth) |
Jens Axboe | d7762cf | 2007-02-23 12:34:57 +0100 | [diff] [blame] | 299 | r = io_u_queued_complete(td, td->cur_depth); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 300 | } |
| 301 | |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 302 | /* |
Jens Axboe | 858a3d4 | 2006-10-24 14:54:44 +0200 | [diff] [blame] | 303 | * Helper to handle the final sync of a file. Works just like the normal |
| 304 | * io path, just does everything sync. |
| 305 | */ |
| 306 | static int fio_io_sync(struct thread_data *td, struct fio_file *f) |
| 307 | { |
| 308 | struct io_u *io_u = __get_io_u(td); |
Jens Axboe | 858a3d4 | 2006-10-24 14:54:44 +0200 | [diff] [blame] | 309 | int ret; |
| 310 | |
| 311 | if (!io_u) |
| 312 | return 1; |
| 313 | |
| 314 | io_u->ddir = DDIR_SYNC; |
| 315 | io_u->file = f; |
| 316 | |
| 317 | if (td_io_prep(td, io_u)) { |
| 318 | put_io_u(td, io_u); |
| 319 | return 1; |
| 320 | } |
| 321 | |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 322 | requeue: |
Jens Axboe | 858a3d4 | 2006-10-24 14:54:44 +0200 | [diff] [blame] | 323 | ret = td_io_queue(td, io_u); |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 324 | if (ret < 0) { |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 325 | td_verror(td, io_u->error, "td_io_queue"); |
Jens Axboe | 858a3d4 | 2006-10-24 14:54:44 +0200 | [diff] [blame] | 326 | put_io_u(td, io_u); |
Jens Axboe | 858a3d4 | 2006-10-24 14:54:44 +0200 | [diff] [blame] | 327 | return 1; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 328 | } else if (ret == FIO_Q_QUEUED) { |
Jens Axboe | d7762cf | 2007-02-23 12:34:57 +0100 | [diff] [blame] | 329 | if (io_u_queued_complete(td, 1) < 0) |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 330 | return 1; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 331 | } else if (ret == FIO_Q_COMPLETED) { |
| 332 | if (io_u->error) { |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 333 | td_verror(td, io_u->error, "td_io_queue"); |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 334 | return 1; |
| 335 | } |
Jens Axboe | 858a3d4 | 2006-10-24 14:54:44 +0200 | [diff] [blame] | 336 | |
Jens Axboe | d7762cf | 2007-02-23 12:34:57 +0100 | [diff] [blame] | 337 | if (io_u_sync_complete(td, io_u) < 0) |
Jens Axboe | b2fdda4 | 2007-02-20 20:52:51 +0100 | [diff] [blame] | 338 | return 1; |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 339 | } else if (ret == FIO_Q_BUSY) { |
| 340 | if (td_io_commit(td)) |
| 341 | return 1; |
| 342 | goto requeue; |
Jens Axboe | 858a3d4 | 2006-10-24 14:54:44 +0200 | [diff] [blame] | 343 | } |
| 344 | |
| 345 | return 0; |
| 346 | } |
| 347 | |
Jens Axboe | 993bf48 | 2008-11-14 13:04:53 +0100 | [diff] [blame^] | 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 | fio_gettime(&td->tv_cache, NULL); |
| 352 | } |
| 353 | |
Jens Axboe | 858a3d4 | 2006-10-24 14:54:44 +0200 | [diff] [blame] | 354 | /* |
Jens Axboe | 34403fb | 2007-03-02 21:43:25 +0100 | [diff] [blame] | 355 | * The main verify engine. Runs over the writes we previously submitted, |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 356 | * reads the blocks back in, and checks the crc/md5 of the data. |
| 357 | */ |
Jens Axboe | 1e97cce | 2006-12-05 11:44:16 +0100 | [diff] [blame] | 358 | static void do_verify(struct thread_data *td) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 359 | { |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 360 | struct fio_file *f; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 361 | struct io_u *io_u; |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 362 | int ret, min_events; |
| 363 | unsigned int i; |
Jens Axboe | e5b401d | 2006-10-18 16:03:40 +0200 | [diff] [blame] | 364 | |
| 365 | /* |
| 366 | * sync io first and invalidate cache, to make sure we really |
| 367 | * read from disk. |
| 368 | */ |
| 369 | for_each_file(td, f, i) { |
Jens Axboe | 3d7b485 | 2007-03-13 14:50:28 +0100 | [diff] [blame] | 370 | if (!(f->flags & FIO_FILE_OPEN)) |
| 371 | continue; |
Jens Axboe | b2fdda4 | 2007-02-20 20:52:51 +0100 | [diff] [blame] | 372 | if (fio_io_sync(td, f)) |
| 373 | break; |
| 374 | if (file_invalidate_cache(td, f)) |
| 375 | break; |
Jens Axboe | e5b401d | 2006-10-18 16:03:40 +0200 | [diff] [blame] | 376 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 377 | |
Jens Axboe | b2fdda4 | 2007-02-20 20:52:51 +0100 | [diff] [blame] | 378 | if (td->error) |
| 379 | return; |
| 380 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 381 | td_set_runstate(td, TD_VERIFYING); |
| 382 | |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 383 | io_u = NULL; |
| 384 | while (!td->terminate) { |
Jens Axboe | 4950421 | 2008-06-05 09:03:30 +0200 | [diff] [blame] | 385 | int ret2, full; |
Jens Axboe | 5451792 | 2007-03-05 10:06:06 +0100 | [diff] [blame] | 386 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 387 | io_u = __get_io_u(td); |
| 388 | if (!io_u) |
| 389 | break; |
| 390 | |
Jens Axboe | 993bf48 | 2008-11-14 13:04:53 +0100 | [diff] [blame^] | 391 | update_tv_cache(td); |
| 392 | |
| 393 | if (runtime_exceeded(td, &td->tv_cache)) { |
Jens Axboe | 069c291 | 2007-02-21 23:02:39 +0100 | [diff] [blame] | 394 | put_io_u(td, io_u); |
Jens Axboe | 90a87d4 | 2007-04-18 09:02:32 +0200 | [diff] [blame] | 395 | td->terminate = 1; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 396 | break; |
Jens Axboe | 069c291 | 2007-02-21 23:02:39 +0100 | [diff] [blame] | 397 | } |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 398 | |
Jens Axboe | 069c291 | 2007-02-21 23:02:39 +0100 | [diff] [blame] | 399 | if (get_next_verify(td, io_u)) { |
| 400 | put_io_u(td, io_u); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 401 | break; |
Jens Axboe | 069c291 | 2007-02-21 23:02:39 +0100 | [diff] [blame] | 402 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 403 | |
Jens Axboe | 069c291 | 2007-02-21 23:02:39 +0100 | [diff] [blame] | 404 | if (td_io_prep(td, io_u)) { |
| 405 | put_io_u(td, io_u); |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 406 | break; |
Jens Axboe | 069c291 | 2007-02-21 23:02:39 +0100 | [diff] [blame] | 407 | } |
Jens Axboe | d7762cf | 2007-02-23 12:34:57 +0100 | [diff] [blame] | 408 | |
| 409 | io_u->end_io = verify_io_u; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 410 | |
Jens Axboe | 1178680 | 2007-03-05 18:33:22 +0100 | [diff] [blame] | 411 | ret = td_io_queue(td, io_u); |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 412 | switch (ret) { |
| 413 | case FIO_Q_COMPLETED: |
| 414 | if (io_u->error) |
Jens Axboe | 22819ec | 2007-02-18 07:47:14 +0100 | [diff] [blame] | 415 | ret = -io_u->error; |
Jens Axboe | 9e9d164 | 2007-03-12 09:37:46 +0100 | [diff] [blame] | 416 | else if (io_u->resid) { |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 417 | int bytes = io_u->xfer_buflen - io_u->resid; |
Jens Axboe | d460eb3 | 2007-04-16 21:39:33 +0200 | [diff] [blame] | 418 | struct fio_file *f = io_u->file; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 419 | |
Jens Axboe | 9e9d164 | 2007-03-12 09:37:46 +0100 | [diff] [blame] | 420 | /* |
| 421 | * zero read, fail |
| 422 | */ |
| 423 | if (!bytes) { |
Jens Axboe | 41d9f0f | 2008-06-02 12:19:50 +0200 | [diff] [blame] | 424 | td_verror(td, EIO, "full resid"); |
Jens Axboe | 9e9d164 | 2007-03-12 09:37:46 +0100 | [diff] [blame] | 425 | put_io_u(td, io_u); |
| 426 | break; |
| 427 | } |
Jens Axboe | 8400d9b | 2007-03-28 11:10:09 +0200 | [diff] [blame] | 428 | |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 429 | io_u->xfer_buflen = io_u->resid; |
| 430 | io_u->xfer_buf += bytes; |
Jens Axboe | 8400d9b | 2007-03-28 11:10:09 +0200 | [diff] [blame] | 431 | io_u->offset += bytes; |
| 432 | |
Jens Axboe | 30061b9 | 2007-04-17 13:31:34 +0200 | [diff] [blame] | 433 | td->ts.short_io_u[io_u->ddir]++; |
| 434 | |
Jens Axboe | d460eb3 | 2007-04-16 21:39:33 +0200 | [diff] [blame] | 435 | if (io_u->offset == f->real_file_size) |
Jens Axboe | 8400d9b | 2007-03-28 11:10:09 +0200 | [diff] [blame] | 436 | goto sync_done; |
| 437 | |
Jens Axboe | 1178680 | 2007-03-05 18:33:22 +0100 | [diff] [blame] | 438 | requeue_io_u(td, &io_u); |
| 439 | } else { |
Jens Axboe | 8400d9b | 2007-03-28 11:10:09 +0200 | [diff] [blame] | 440 | sync_done: |
Jens Axboe | 1178680 | 2007-03-05 18:33:22 +0100 | [diff] [blame] | 441 | ret = io_u_sync_complete(td, io_u); |
| 442 | if (ret < 0) |
| 443 | break; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 444 | } |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 445 | continue; |
| 446 | case FIO_Q_QUEUED: |
| 447 | break; |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 448 | case FIO_Q_BUSY: |
| 449 | requeue_io_u(td, &io_u); |
Jens Axboe | 5451792 | 2007-03-05 10:06:06 +0100 | [diff] [blame] | 450 | ret2 = td_io_commit(td); |
| 451 | if (ret2 < 0) |
| 452 | ret = ret2; |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 453 | break; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 454 | default: |
| 455 | assert(ret < 0); |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 456 | td_verror(td, -ret, "td_io_queue"); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 457 | break; |
| 458 | } |
| 459 | |
Jens Axboe | 9978463 | 2007-02-19 10:06:17 +0100 | [diff] [blame] | 460 | if (ret < 0 || td->error) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 461 | break; |
| 462 | |
Jens Axboe | 3af6ef3 | 2007-02-18 06:57:43 +0100 | [diff] [blame] | 463 | /* |
| 464 | * if we can queue more, do so. but check if there are |
| 465 | * completed io_u's first. |
| 466 | */ |
Jens Axboe | 4950421 | 2008-06-05 09:03:30 +0200 | [diff] [blame] | 467 | full = queue_full(td) || ret == FIO_Q_BUSY; |
| 468 | if (full || !td->o.iodepth_batch_complete) { |
| 469 | min_events = td->o.iodepth_batch_complete; |
| 470 | if (full && !min_events) |
Jens Axboe | 838bc70 | 2008-05-22 13:08:23 +0200 | [diff] [blame] | 471 | min_events = 1; |
Jens Axboe | e916b39 | 2007-02-20 14:37:26 +0100 | [diff] [blame] | 472 | |
Jens Axboe | 4950421 | 2008-06-05 09:03:30 +0200 | [diff] [blame] | 473 | do { |
| 474 | /* |
| 475 | * Reap required number of io units, if any, |
| 476 | * and do the verification on them through |
| 477 | * the callback handler |
| 478 | */ |
| 479 | if (io_u_queued_complete(td, min_events) < 0) { |
| 480 | ret = -1; |
| 481 | break; |
| 482 | } |
| 483 | } while (full && (td->cur_depth > td->o.iodepth_low)); |
| 484 | } |
| 485 | if (ret < 0) |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 486 | break; |
| 487 | } |
| 488 | |
Jens Axboe | c01c039 | 2007-02-26 12:43:42 +0100 | [diff] [blame] | 489 | if (!td->error) { |
| 490 | min_events = td->cur_depth; |
| 491 | |
| 492 | if (min_events) |
| 493 | ret = io_u_queued_complete(td, min_events); |
| 494 | } else |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 495 | cleanup_pending_aio(td); |
| 496 | |
| 497 | td_set_runstate(td, TD_RUNNING); |
| 498 | } |
| 499 | |
Jens Axboe | 32cd46a | 2006-06-07 13:40:40 +0200 | [diff] [blame] | 500 | /* |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 501 | * Main IO worker function. It retrieves io_u's to process and queues |
Jens Axboe | 32cd46a | 2006-06-07 13:40:40 +0200 | [diff] [blame] | 502 | * and reaps them, checking for rate and errors along the way. |
| 503 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 504 | static void do_io(struct thread_data *td) |
| 505 | { |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 506 | unsigned long usec; |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 507 | unsigned int i; |
| 508 | int ret = 0; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 509 | |
Jens Axboe | b29ee5b | 2008-09-11 10:17:26 +0200 | [diff] [blame] | 510 | if (in_ramp_time(td)) |
| 511 | td_set_runstate(td, TD_RAMP); |
| 512 | else |
| 513 | td_set_runstate(td, TD_RUNNING); |
Jens Axboe | 5853e5a | 2006-06-08 14:41:05 +0200 | [diff] [blame] | 514 | |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 515 | while ((td->this_io_bytes[0] + td->this_io_bytes[1]) < td->o.size) { |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 516 | struct timeval comp_time; |
| 517 | long bytes_done = 0; |
Jens Axboe | 8458500 | 2006-10-19 20:26:22 +0200 | [diff] [blame] | 518 | int min_evts = 0; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 519 | struct io_u *io_u; |
Jens Axboe | 4950421 | 2008-06-05 09:03:30 +0200 | [diff] [blame] | 520 | int ret2, full; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 521 | |
| 522 | if (td->terminate) |
| 523 | break; |
| 524 | |
Jens Axboe | 3d7c391 | 2007-02-19 13:16:12 +0100 | [diff] [blame] | 525 | io_u = get_io_u(td); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 526 | if (!io_u) |
| 527 | break; |
| 528 | |
Jens Axboe | 993bf48 | 2008-11-14 13:04:53 +0100 | [diff] [blame^] | 529 | update_tv_cache(td); |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 530 | |
Jens Axboe | 993bf48 | 2008-11-14 13:04:53 +0100 | [diff] [blame^] | 531 | if (runtime_exceeded(td, &td->tv_cache)) { |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 532 | put_io_u(td, io_u); |
Jens Axboe | 90a87d4 | 2007-04-18 09:02:32 +0200 | [diff] [blame] | 533 | td->terminate = 1; |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 534 | break; |
| 535 | } |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 536 | |
Jens Axboe | b67740d | 2007-07-26 12:22:30 +0200 | [diff] [blame] | 537 | /* |
| 538 | * Add verification end_io handler, if asked to verify |
| 539 | * a previously written file. |
| 540 | */ |
Jens Axboe | cc3fc85 | 2008-03-06 11:47:53 +0100 | [diff] [blame] | 541 | if (td->o.verify != VERIFY_NONE && io_u->ddir == DDIR_READ) { |
Jens Axboe | b67740d | 2007-07-26 12:22:30 +0200 | [diff] [blame] | 542 | io_u->end_io = verify_io_u; |
Jens Axboe | d8fab1b | 2008-03-06 10:25:17 +0100 | [diff] [blame] | 543 | td_set_runstate(td, TD_VERIFYING); |
Jens Axboe | b29ee5b | 2008-09-11 10:17:26 +0200 | [diff] [blame] | 544 | } else if (in_ramp_time(td)) |
| 545 | td_set_runstate(td, TD_RAMP); |
| 546 | else |
Jens Axboe | d8fab1b | 2008-03-06 10:25:17 +0100 | [diff] [blame] | 547 | td_set_runstate(td, TD_RUNNING); |
Jens Axboe | b67740d | 2007-07-26 12:22:30 +0200 | [diff] [blame] | 548 | |
Jens Axboe | 1178680 | 2007-03-05 18:33:22 +0100 | [diff] [blame] | 549 | ret = td_io_queue(td, io_u); |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 550 | switch (ret) { |
| 551 | case FIO_Q_COMPLETED: |
Jens Axboe | 5451792 | 2007-03-05 10:06:06 +0100 | [diff] [blame] | 552 | if (io_u->error) |
| 553 | ret = -io_u->error; |
Jens Axboe | 9e9d164 | 2007-03-12 09:37:46 +0100 | [diff] [blame] | 554 | else if (io_u->resid) { |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 555 | int bytes = io_u->xfer_buflen - io_u->resid; |
Jens Axboe | d460eb3 | 2007-04-16 21:39:33 +0200 | [diff] [blame] | 556 | struct fio_file *f = io_u->file; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 557 | |
Jens Axboe | 9e9d164 | 2007-03-12 09:37:46 +0100 | [diff] [blame] | 558 | /* |
| 559 | * zero read, fail |
| 560 | */ |
| 561 | if (!bytes) { |
Jens Axboe | 41d9f0f | 2008-06-02 12:19:50 +0200 | [diff] [blame] | 562 | td_verror(td, EIO, "full resid"); |
Jens Axboe | 9e9d164 | 2007-03-12 09:37:46 +0100 | [diff] [blame] | 563 | put_io_u(td, io_u); |
| 564 | break; |
| 565 | } |
| 566 | |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 567 | io_u->xfer_buflen = io_u->resid; |
| 568 | io_u->xfer_buf += bytes; |
Jens Axboe | 5a7c568 | 2007-03-28 11:07:20 +0200 | [diff] [blame] | 569 | io_u->offset += bytes; |
| 570 | |
Jens Axboe | 30061b9 | 2007-04-17 13:31:34 +0200 | [diff] [blame] | 571 | td->ts.short_io_u[io_u->ddir]++; |
| 572 | |
Jens Axboe | d460eb3 | 2007-04-16 21:39:33 +0200 | [diff] [blame] | 573 | if (io_u->offset == f->real_file_size) |
Jens Axboe | 5a7c568 | 2007-03-28 11:07:20 +0200 | [diff] [blame] | 574 | goto sync_done; |
| 575 | |
Jens Axboe | 1178680 | 2007-03-05 18:33:22 +0100 | [diff] [blame] | 576 | requeue_io_u(td, &io_u); |
| 577 | } else { |
Jens Axboe | 5a7c568 | 2007-03-28 11:07:20 +0200 | [diff] [blame] | 578 | sync_done: |
Jens Axboe | 993bf48 | 2008-11-14 13:04:53 +0100 | [diff] [blame^] | 579 | if (should_check_rate(td)) |
| 580 | fio_gettime(&comp_time, NULL); |
| 581 | |
Jens Axboe | 1178680 | 2007-03-05 18:33:22 +0100 | [diff] [blame] | 582 | bytes_done = io_u_sync_complete(td, io_u); |
| 583 | if (bytes_done < 0) |
| 584 | ret = bytes_done; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 585 | } |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 586 | break; |
| 587 | case FIO_Q_QUEUED: |
Jens Axboe | 7e77dd0 | 2007-02-20 10:57:34 +0100 | [diff] [blame] | 588 | /* |
| 589 | * if the engine doesn't have a commit hook, |
| 590 | * the io_u is really queued. if it does have such |
| 591 | * a hook, it has to call io_u_queued() itself. |
| 592 | */ |
| 593 | if (td->io_ops->commit == NULL) |
| 594 | io_u_queued(td, io_u); |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 595 | break; |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 596 | case FIO_Q_BUSY: |
| 597 | requeue_io_u(td, &io_u); |
Jens Axboe | 5451792 | 2007-03-05 10:06:06 +0100 | [diff] [blame] | 598 | ret2 = td_io_commit(td); |
| 599 | if (ret2 < 0) |
| 600 | ret = ret2; |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 601 | break; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 602 | default: |
| 603 | assert(ret < 0); |
| 604 | put_io_u(td, io_u); |
| 605 | break; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 606 | } |
| 607 | |
Jens Axboe | 9978463 | 2007-02-19 10:06:17 +0100 | [diff] [blame] | 608 | if (ret < 0 || td->error) |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 609 | break; |
| 610 | |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 611 | /* |
| 612 | * See if we need to complete some commands |
| 613 | */ |
Jens Axboe | 4950421 | 2008-06-05 09:03:30 +0200 | [diff] [blame] | 614 | full = queue_full(td) || ret == FIO_Q_BUSY; |
| 615 | if (full || !td->o.iodepth_batch_complete) { |
| 616 | min_evts = td->o.iodepth_batch_complete; |
| 617 | if (full && !min_evts) |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 618 | min_evts = 1; |
Jens Axboe | 4950421 | 2008-06-05 09:03:30 +0200 | [diff] [blame] | 619 | |
Jens Axboe | 993bf48 | 2008-11-14 13:04:53 +0100 | [diff] [blame^] | 620 | if (should_check_rate(td)) |
| 621 | fio_gettime(&comp_time, NULL); |
Jens Axboe | 4950421 | 2008-06-05 09:03:30 +0200 | [diff] [blame] | 622 | |
| 623 | do { |
| 624 | ret = io_u_queued_complete(td, min_evts); |
| 625 | if (ret <= 0) |
| 626 | break; |
| 627 | |
| 628 | bytes_done += ret; |
| 629 | } while (full && (td->cur_depth > td->o.iodepth_low)); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 630 | } |
| 631 | |
Jens Axboe | 4950421 | 2008-06-05 09:03:30 +0200 | [diff] [blame] | 632 | if (ret < 0) |
| 633 | break; |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 634 | if (!bytes_done) |
| 635 | continue; |
| 636 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 637 | /* |
| 638 | * the rate is batched for now, it should work for batches |
| 639 | * of completions except the very first one which may look |
| 640 | * a little bursty |
| 641 | */ |
Jens Axboe | 993bf48 | 2008-11-14 13:04:53 +0100 | [diff] [blame^] | 642 | if (!in_ramp_time(td) && should_check_rate(td)) { |
| 643 | usec = utime_since(&td->tv_cache, &comp_time); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 644 | |
Jens Axboe | 721938a | 2008-09-10 09:46:16 +0200 | [diff] [blame] | 645 | rate_throttle(td, usec, bytes_done); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 646 | |
Jens Axboe | 721938a | 2008-09-10 09:46:16 +0200 | [diff] [blame] | 647 | if (check_min_rate(td, &comp_time)) { |
| 648 | if (exitall_on_terminate) |
| 649 | terminate_threads(td->groupid); |
| 650 | td_verror(td, EIO, "check_min_rate"); |
| 651 | break; |
| 652 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 653 | } |
| 654 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 655 | if (td->o.thinktime) { |
Jens Axboe | 9c1f743 | 2007-01-03 20:43:19 +0100 | [diff] [blame] | 656 | unsigned long long b; |
| 657 | |
| 658 | b = td->io_blocks[0] + td->io_blocks[1]; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 659 | if (!(b % td->o.thinktime_blocks)) { |
Jens Axboe | 48097d5 | 2007-02-17 06:30:44 +0100 | [diff] [blame] | 660 | int left; |
| 661 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 662 | if (td->o.thinktime_spin) |
| 663 | __usec_sleep(td->o.thinktime_spin); |
Jens Axboe | 48097d5 | 2007-02-17 06:30:44 +0100 | [diff] [blame] | 664 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 665 | left = td->o.thinktime - td->o.thinktime_spin; |
Jens Axboe | 48097d5 | 2007-02-17 06:30:44 +0100 | [diff] [blame] | 666 | if (left) |
| 667 | usec_sleep(td, left); |
| 668 | } |
Jens Axboe | 9c1f743 | 2007-01-03 20:43:19 +0100 | [diff] [blame] | 669 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 670 | } |
| 671 | |
Shawn Lewis | aa31f1f | 2008-01-11 09:45:11 +0100 | [diff] [blame] | 672 | if (td->o.fill_device && td->error == ENOSPC) { |
| 673 | td->error = 0; |
| 674 | td->terminate = 1; |
| 675 | } |
Jens Axboe | 4d2413c | 2006-11-23 11:58:59 +0100 | [diff] [blame] | 676 | if (!td->error) { |
Jens Axboe | 3d7c391 | 2007-02-19 13:16:12 +0100 | [diff] [blame] | 677 | struct fio_file *f; |
| 678 | |
Jens Axboe | c01c039 | 2007-02-26 12:43:42 +0100 | [diff] [blame] | 679 | i = td->cur_depth; |
| 680 | if (i) |
| 681 | ret = io_u_queued_complete(td, i); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 682 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 683 | if (should_fsync(td) && td->o.end_fsync) { |
Jens Axboe | 8458500 | 2006-10-19 20:26:22 +0200 | [diff] [blame] | 684 | td_set_runstate(td, TD_FSYNCING); |
Jens Axboe | 3d7b485 | 2007-03-13 14:50:28 +0100 | [diff] [blame] | 685 | |
| 686 | for_each_file(td, f, i) { |
| 687 | if (!(f->flags & FIO_FILE_OPEN)) |
| 688 | continue; |
Jens Axboe | 858a3d4 | 2006-10-24 14:54:44 +0200 | [diff] [blame] | 689 | fio_io_sync(td, f); |
Jens Axboe | 3d7b485 | 2007-03-13 14:50:28 +0100 | [diff] [blame] | 690 | } |
Jens Axboe | 8458500 | 2006-10-19 20:26:22 +0200 | [diff] [blame] | 691 | } |
Jens Axboe | c01c039 | 2007-02-26 12:43:42 +0100 | [diff] [blame] | 692 | } else |
| 693 | cleanup_pending_aio(td); |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 694 | |
| 695 | /* |
| 696 | * stop job if we failed doing any IO |
| 697 | */ |
| 698 | if ((td->this_io_bytes[0] + td->this_io_bytes[1]) == 0) |
| 699 | td->done = 1; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 700 | } |
| 701 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 702 | static void cleanup_io_u(struct thread_data *td) |
| 703 | { |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 704 | struct flist_head *entry, *n; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 705 | struct io_u *io_u; |
| 706 | |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 707 | flist_for_each_safe(entry, n, &td->io_u_freelist) { |
| 708 | io_u = flist_entry(entry, struct io_u, list); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 709 | |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 710 | flist_del(&io_u->list); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 711 | free(io_u); |
| 712 | } |
| 713 | |
Jens Axboe | 2f9ade3 | 2006-10-20 11:25:52 +0200 | [diff] [blame] | 714 | free_io_mem(td); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 715 | } |
| 716 | |
| 717 | static int init_io_u(struct thread_data *td) |
| 718 | { |
| 719 | struct io_u *io_u; |
Jens Axboe | a00735e | 2006-11-03 08:58:08 +0100 | [diff] [blame] | 720 | unsigned int max_bs; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 721 | int i, max_units; |
| 722 | char *p; |
| 723 | |
Jens Axboe | 1e3c09a | 2008-02-04 10:48:13 +0100 | [diff] [blame] | 724 | max_units = td->o.iodepth; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 725 | max_bs = max(td->o.max_bs[DDIR_READ], td->o.max_bs[DDIR_WRITE]); |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 726 | td->orig_buffer_size = (unsigned long long) max_bs |
| 727 | * (unsigned long long) max_units; |
Jens Axboe | 74b025b | 2006-12-19 15:18:14 +0100 | [diff] [blame] | 728 | |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 729 | if (td->o.mem_type == MEM_SHMHUGE || td->o.mem_type == MEM_MMAPHUGE) { |
| 730 | unsigned long bs; |
| 731 | |
| 732 | bs = td->orig_buffer_size + td->o.hugepage_size - 1; |
| 733 | td->orig_buffer_size = bs & ~(td->o.hugepage_size - 1); |
| 734 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 735 | |
Jens Axboe | c399064 | 2007-07-19 10:17:09 +0200 | [diff] [blame] | 736 | if (td->orig_buffer_size != (size_t) td->orig_buffer_size) { |
| 737 | log_err("fio: IO memory too large. Reduce max_bs or iodepth\n"); |
| 738 | return 1; |
| 739 | } |
| 740 | |
Jens Axboe | 2f9ade3 | 2006-10-20 11:25:52 +0200 | [diff] [blame] | 741 | if (allocate_io_mem(td)) |
| 742 | return 1; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 743 | |
Jens Axboe | b3f378e | 2007-07-20 12:39:22 +0200 | [diff] [blame] | 744 | if (td->o.odirect) |
| 745 | p = ALIGN(td->orig_buffer); |
| 746 | else |
| 747 | p = td->orig_buffer; |
| 748 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 749 | for (i = 0; i < max_units; i++) { |
Jens Axboe | db1cd90 | 2007-04-26 13:47:07 +0200 | [diff] [blame] | 750 | if (td->terminate) |
| 751 | return 1; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 752 | io_u = malloc(sizeof(*io_u)); |
| 753 | memset(io_u, 0, sizeof(*io_u)); |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 754 | INIT_FLIST_HEAD(&io_u->list); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 755 | |
Jens Axboe | b4c5e1a | 2007-10-25 18:44:45 +0200 | [diff] [blame] | 756 | if (!(td->io_ops->flags & FIO_NOIO)) { |
| 757 | io_u->buf = p + max_bs * i; |
Jens Axboe | e9459e5 | 2007-04-17 15:46:32 +0200 | [diff] [blame] | 758 | |
Jens Axboe | 5973caf | 2008-05-21 19:52:35 +0200 | [diff] [blame] | 759 | if (td_write(td) && !td->o.refill_buffers) |
| 760 | io_u_fill_buffer(td, io_u, max_bs); |
Jens Axboe | b4c5e1a | 2007-10-25 18:44:45 +0200 | [diff] [blame] | 761 | } |
Jens Axboe | 6b9cea2 | 2006-10-30 17:00:24 +0100 | [diff] [blame] | 762 | |
Jens Axboe | b1ff340 | 2006-02-17 11:35:58 +0100 | [diff] [blame] | 763 | io_u->index = i; |
Jens Axboe | 0c6e751 | 2007-02-22 11:19:39 +0100 | [diff] [blame] | 764 | io_u->flags = IO_U_F_FREE; |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 765 | flist_add(&io_u->list, &td->io_u_freelist); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 766 | } |
| 767 | |
| 768 | return 0; |
| 769 | } |
| 770 | |
Jens Axboe | da86774 | 2006-06-06 10:39:10 -0700 | [diff] [blame] | 771 | static int switch_ioscheduler(struct thread_data *td) |
| 772 | { |
| 773 | char tmp[256], tmp2[128]; |
| 774 | FILE *f; |
| 775 | int ret; |
| 776 | |
Jens Axboe | ba0fbe1 | 2007-03-09 14:34:23 +0100 | [diff] [blame] | 777 | if (td->io_ops->flags & FIO_DISKLESSIO) |
Jens Axboe | f48b467 | 2006-10-27 11:30:07 +0200 | [diff] [blame] | 778 | return 0; |
| 779 | |
Jens Axboe | da86774 | 2006-06-06 10:39:10 -0700 | [diff] [blame] | 780 | sprintf(tmp, "%s/queue/scheduler", td->sysfs_root); |
| 781 | |
| 782 | f = fopen(tmp, "r+"); |
| 783 | if (!f) { |
Jens Axboe | cbf5c1d | 2007-04-16 12:56:00 +0200 | [diff] [blame] | 784 | if (errno == ENOENT) { |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 785 | log_err("fio: os or kernel doesn't support IO scheduler" |
| 786 | " switching\n"); |
Jens Axboe | cbf5c1d | 2007-04-16 12:56:00 +0200 | [diff] [blame] | 787 | return 0; |
| 788 | } |
| 789 | td_verror(td, errno, "fopen iosched"); |
Jens Axboe | da86774 | 2006-06-06 10:39:10 -0700 | [diff] [blame] | 790 | return 1; |
| 791 | } |
| 792 | |
| 793 | /* |
| 794 | * Set io scheduler. |
| 795 | */ |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 796 | ret = fwrite(td->o.ioscheduler, strlen(td->o.ioscheduler), 1, f); |
Jens Axboe | da86774 | 2006-06-06 10:39:10 -0700 | [diff] [blame] | 797 | if (ferror(f) || ret != 1) { |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 798 | td_verror(td, errno, "fwrite"); |
Jens Axboe | da86774 | 2006-06-06 10:39:10 -0700 | [diff] [blame] | 799 | fclose(f); |
| 800 | return 1; |
| 801 | } |
| 802 | |
| 803 | rewind(f); |
| 804 | |
| 805 | /* |
| 806 | * Read back and check that the selected scheduler is now the default. |
| 807 | */ |
| 808 | ret = fread(tmp, 1, sizeof(tmp), f); |
| 809 | if (ferror(f) || ret < 0) { |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 810 | td_verror(td, errno, "fread"); |
Jens Axboe | da86774 | 2006-06-06 10:39:10 -0700 | [diff] [blame] | 811 | fclose(f); |
| 812 | return 1; |
| 813 | } |
| 814 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 815 | sprintf(tmp2, "[%s]", td->o.ioscheduler); |
Jens Axboe | da86774 | 2006-06-06 10:39:10 -0700 | [diff] [blame] | 816 | if (!strstr(tmp, tmp2)) { |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 817 | log_err("fio: io scheduler %s not found\n", td->o.ioscheduler); |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 818 | td_verror(td, EINVAL, "iosched_switch"); |
Jens Axboe | da86774 | 2006-06-06 10:39:10 -0700 | [diff] [blame] | 819 | fclose(f); |
| 820 | return 1; |
| 821 | } |
| 822 | |
| 823 | fclose(f); |
| 824 | return 0; |
| 825 | } |
| 826 | |
Jens Axboe | 492158c | 2007-05-24 10:32:47 +0200 | [diff] [blame] | 827 | static int keep_running(struct thread_data *td) |
| 828 | { |
| 829 | unsigned long long io_done; |
| 830 | |
Jens Axboe | 20e354e | 2007-07-23 14:36:16 +0200 | [diff] [blame] | 831 | if (td->done) |
| 832 | return 0; |
Jens Axboe | 492158c | 2007-05-24 10:32:47 +0200 | [diff] [blame] | 833 | if (td->o.time_based) |
| 834 | return 1; |
| 835 | if (td->o.loops) { |
| 836 | td->o.loops--; |
| 837 | return 1; |
| 838 | } |
| 839 | |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 840 | io_done = td->io_bytes[DDIR_READ] + td->io_bytes[DDIR_WRITE] |
| 841 | + td->io_skip_bytes; |
Jens Axboe | 492158c | 2007-05-24 10:32:47 +0200 | [diff] [blame] | 842 | if (io_done < td->o.size) |
| 843 | return 1; |
| 844 | |
| 845 | return 0; |
| 846 | } |
| 847 | |
Jens Axboe | b29ee5b | 2008-09-11 10:17:26 +0200 | [diff] [blame] | 848 | static void reset_io_counters(struct thread_data *td) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 849 | { |
Jens Axboe | 756867b | 2007-03-06 15:19:24 +0100 | [diff] [blame] | 850 | td->ts.stat_io_bytes[0] = td->ts.stat_io_bytes[1] = 0; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 851 | td->this_io_bytes[0] = td->this_io_bytes[1] = 0; |
Jens Axboe | 20dc95c | 2005-12-09 10:29:35 +0100 | [diff] [blame] | 852 | td->zone_bytes = 0; |
Jens Axboe | d7d3b49 | 2007-03-12 08:02:10 +0100 | [diff] [blame] | 853 | td->rate_bytes = 0; |
Jens Axboe | 4e991c2 | 2007-03-15 11:41:11 +0100 | [diff] [blame] | 854 | td->rate_blocks = 0; |
Jens Axboe | 38d77ca | 2007-03-21 14:20:20 +0100 | [diff] [blame] | 855 | td->rw_end_set[0] = td->rw_end_set[1] = 0; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 856 | |
Jens Axboe | c1324df | 2007-02-19 19:06:41 +0100 | [diff] [blame] | 857 | td->last_was_sync = 0; |
| 858 | |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 859 | /* |
| 860 | * reset file done count if we are to start over |
| 861 | */ |
| 862 | if (td->o.time_based || td->o.loops) |
Jens Axboe | 48f5abd | 2007-07-20 13:25:04 +0200 | [diff] [blame] | 863 | td->nr_done_files = 0; |
Jens Axboe | b29ee5b | 2008-09-11 10:17:26 +0200 | [diff] [blame] | 864 | } |
| 865 | |
| 866 | void reset_all_stats(struct thread_data *td) |
| 867 | { |
| 868 | struct timeval tv; |
| 869 | int i; |
| 870 | |
| 871 | reset_io_counters(td); |
| 872 | |
| 873 | for (i = 0; i < 2; i++) { |
| 874 | td->io_bytes[i] = 0; |
| 875 | td->io_blocks[i] = 0; |
| 876 | td->io_issues[i] = 0; |
| 877 | td->ts.total_io_u[i] = 0; |
| 878 | } |
| 879 | |
| 880 | fio_gettime(&tv, NULL); |
| 881 | memcpy(&td->epoch, &tv, sizeof(tv)); |
| 882 | memcpy(&td->start, &tv, sizeof(tv)); |
| 883 | } |
| 884 | |
| 885 | static int clear_io_state(struct thread_data *td) |
| 886 | { |
| 887 | struct fio_file *f; |
| 888 | unsigned int i; |
| 889 | int ret; |
| 890 | |
| 891 | reset_io_counters(td); |
Jens Axboe | 281f9b6 | 2007-05-23 09:34:42 +0200 | [diff] [blame] | 892 | |
Jens Axboe | 24ffd2c | 2008-03-01 15:47:08 +0100 | [diff] [blame] | 893 | close_files(td); |
Jens Axboe | a978ba6 | 2007-03-08 14:29:03 +0100 | [diff] [blame] | 894 | |
| 895 | ret = 0; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 896 | for_each_file(td, f, i) { |
Jens Axboe | 281f9b6 | 2007-05-23 09:34:42 +0200 | [diff] [blame] | 897 | f->flags &= ~FIO_FILE_DONE; |
Jens Axboe | a978ba6 | 2007-03-08 14:29:03 +0100 | [diff] [blame] | 898 | ret = td_io_open_file(td, f); |
| 899 | if (ret) |
| 900 | break; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 901 | } |
Jens Axboe | a978ba6 | 2007-03-08 14:29:03 +0100 | [diff] [blame] | 902 | |
| 903 | return ret; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 904 | } |
| 905 | |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 906 | /* |
| 907 | * Entry point for the thread based jobs. The process based jobs end up |
| 908 | * here as well, after a little setup. |
| 909 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 910 | static void *thread_main(void *data) |
| 911 | { |
Shawn Lewis | 1092731 | 2007-11-21 09:38:13 +0100 | [diff] [blame] | 912 | unsigned long long runtime[2], elapsed; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 913 | struct thread_data *td = data; |
Jens Axboe | a978ba6 | 2007-03-08 14:29:03 +0100 | [diff] [blame] | 914 | int clear_state; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 915 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 916 | if (!td->o.use_thread) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 917 | setsid(); |
| 918 | |
| 919 | td->pid = getpid(); |
| 920 | |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 921 | dprint(FD_PROCESS, "jobs pid=%d started\n", (int) td->pid); |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 922 | |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 923 | INIT_FLIST_HEAD(&td->io_u_freelist); |
| 924 | INIT_FLIST_HEAD(&td->io_u_busylist); |
| 925 | INIT_FLIST_HEAD(&td->io_u_requeues); |
| 926 | INIT_FLIST_HEAD(&td->io_log_list); |
| 927 | INIT_FLIST_HEAD(&td->io_hist_list); |
Jens Axboe | bb5d7d0 | 2007-03-27 10:21:25 +0200 | [diff] [blame] | 928 | td->io_hist_tree = RB_ROOT; |
Jens Axboe | aea47d4 | 2006-05-26 19:27:29 +0200 | [diff] [blame] | 929 | |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 930 | td_set_runstate(td, TD_INITIALIZED); |
Jens Axboe | cdd18ad | 2008-02-27 18:58:00 +0100 | [diff] [blame] | 931 | fio_mutex_up(startup_mutex); |
| 932 | fio_mutex_down(td->mutex); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 933 | |
Jens Axboe | 37f5687 | 2007-03-09 12:42:35 +0100 | [diff] [blame] | 934 | /* |
Jens Axboe | cdd18ad | 2008-02-27 18:58:00 +0100 | [diff] [blame] | 935 | * the ->mutex mutex is now no longer used, close it to avoid |
Jens Axboe | 37f5687 | 2007-03-09 12:42:35 +0100 | [diff] [blame] | 936 | * eating a file descriptor |
| 937 | */ |
Jens Axboe | cdd18ad | 2008-02-27 18:58:00 +0100 | [diff] [blame] | 938 | fio_mutex_remove(td->mutex); |
Jens Axboe | 37f5687 | 2007-03-09 12:42:35 +0100 | [diff] [blame] | 939 | |
Jens Axboe | d84f8d4 | 2007-05-16 08:47:46 +0200 | [diff] [blame] | 940 | /* |
| 941 | * May alter parameters that init_io_u() will use, so we need to |
| 942 | * do this first. |
| 943 | */ |
| 944 | if (init_iolog(td)) |
| 945 | goto err; |
| 946 | |
Jens Axboe | db1cd90 | 2007-04-26 13:47:07 +0200 | [diff] [blame] | 947 | if (init_io_u(td)) |
| 948 | goto err; |
| 949 | |
Jens Axboe | 375b269 | 2007-05-22 09:13:02 +0200 | [diff] [blame] | 950 | if (td->o.cpumask_set && fio_setaffinity(td) == -1) { |
Jens Axboe | db1cd90 | 2007-04-26 13:47:07 +0200 | [diff] [blame] | 951 | td_verror(td, errno, "cpu_set_affinity"); |
| 952 | goto err; |
| 953 | } |
| 954 | |
Jens Axboe | ac68478 | 2007-11-08 08:29:07 +0100 | [diff] [blame] | 955 | if (td->ioprio_set) { |
Jens Axboe | db1cd90 | 2007-04-26 13:47:07 +0200 | [diff] [blame] | 956 | if (ioprio_set(IOPRIO_WHO_PROCESS, 0, td->ioprio) == -1) { |
| 957 | td_verror(td, errno, "ioprio_set"); |
| 958 | goto err; |
| 959 | } |
| 960 | } |
| 961 | |
| 962 | if (nice(td->o.nice) == -1) { |
| 963 | td_verror(td, errno, "nice"); |
| 964 | goto err; |
| 965 | } |
| 966 | |
| 967 | if (td->o.ioscheduler && switch_ioscheduler(td)) |
| 968 | goto err; |
| 969 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 970 | if (!td->o.create_serialize && setup_files(td)) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 971 | goto err; |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 972 | |
| 973 | if (td_io_init(td)) |
Jens Axboe | 21972cd | 2006-11-23 12:39:16 +0100 | [diff] [blame] | 974 | goto err; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 975 | |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 976 | if (open_files(td)) |
Jens Axboe | 7d6c528 | 2007-02-05 10:52:10 +0100 | [diff] [blame] | 977 | goto err; |
| 978 | |
Jens Axboe | 6872707 | 2007-03-15 20:49:25 +0100 | [diff] [blame] | 979 | if (init_random_map(td)) |
| 980 | goto err; |
| 981 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 982 | if (td->o.exec_prerun) { |
| 983 | if (system(td->o.exec_prerun) < 0) |
Jens Axboe | 69cfd7e | 2007-02-07 13:58:53 +0100 | [diff] [blame] | 984 | goto err; |
| 985 | } |
Jens Axboe | 4e0ba8a | 2006-06-06 09:36:28 +0200 | [diff] [blame] | 986 | |
Jens Axboe | 6900899 | 2006-11-24 13:12:56 +0100 | [diff] [blame] | 987 | fio_gettime(&td->epoch, NULL); |
Jens Axboe | 756867b | 2007-03-06 15:19:24 +0100 | [diff] [blame] | 988 | getrusage(RUSAGE_SELF, &td->ts.ru_start); |
Jens Axboe | 6900899 | 2006-11-24 13:12:56 +0100 | [diff] [blame] | 989 | |
| 990 | runtime[0] = runtime[1] = 0; |
Jens Axboe | a978ba6 | 2007-03-08 14:29:03 +0100 | [diff] [blame] | 991 | clear_state = 0; |
Jens Axboe | 492158c | 2007-05-24 10:32:47 +0200 | [diff] [blame] | 992 | while (keep_running(td)) { |
Jens Axboe | 02bcaa8 | 2006-11-24 10:42:00 +0100 | [diff] [blame] | 993 | fio_gettime(&td->start, NULL); |
Jens Axboe | 756867b | 2007-03-06 15:19:24 +0100 | [diff] [blame] | 994 | memcpy(&td->ts.stat_sample_time, &td->start, sizeof(td->start)); |
Jens Axboe | 993bf48 | 2008-11-14 13:04:53 +0100 | [diff] [blame^] | 995 | memcpy(&td->tv_cache, &td->start, sizeof(td->start)); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 996 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 997 | if (td->o.ratemin) |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 998 | memcpy(&td->lastrate, &td->ts.stat_sample_time, |
| 999 | sizeof(td->lastrate)); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1000 | |
Jens Axboe | a978ba6 | 2007-03-08 14:29:03 +0100 | [diff] [blame] | 1001 | if (clear_state && clear_io_state(td)) |
| 1002 | break; |
| 1003 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1004 | prune_io_piece_log(td); |
| 1005 | |
Jens Axboe | ba0fbe1 | 2007-03-09 14:34:23 +0100 | [diff] [blame] | 1006 | do_io(td); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1007 | |
Jens Axboe | a978ba6 | 2007-03-08 14:29:03 +0100 | [diff] [blame] | 1008 | clear_state = 1; |
| 1009 | |
Jens Axboe | 38d77ca | 2007-03-21 14:20:20 +0100 | [diff] [blame] | 1010 | if (td_read(td) && td->io_bytes[DDIR_READ]) { |
| 1011 | if (td->rw_end_set[DDIR_READ]) |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 1012 | elapsed = utime_since(&td->start, |
| 1013 | &td->rw_end[DDIR_READ]); |
Jens Axboe | 38d77ca | 2007-03-21 14:20:20 +0100 | [diff] [blame] | 1014 | else |
| 1015 | elapsed = utime_since_now(&td->start); |
| 1016 | |
| 1017 | runtime[DDIR_READ] += elapsed; |
| 1018 | } |
| 1019 | if (td_write(td) && td->io_bytes[DDIR_WRITE]) { |
| 1020 | if (td->rw_end_set[DDIR_WRITE]) |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 1021 | elapsed = utime_since(&td->start, |
| 1022 | &td->rw_end[DDIR_WRITE]); |
Jens Axboe | 38d77ca | 2007-03-21 14:20:20 +0100 | [diff] [blame] | 1023 | else |
| 1024 | elapsed = utime_since_now(&td->start); |
| 1025 | |
| 1026 | runtime[DDIR_WRITE] += elapsed; |
| 1027 | } |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 1028 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1029 | if (td->error || td->terminate) |
| 1030 | break; |
| 1031 | |
Shawn Lewis | e84c73a | 2007-08-02 22:19:32 +0200 | [diff] [blame] | 1032 | if (!td->o.do_verify || |
| 1033 | td->o.verify == VERIFY_NONE || |
Jens Axboe | b67740d | 2007-07-26 12:22:30 +0200 | [diff] [blame] | 1034 | (td->io_ops->flags & FIO_UNIDIR)) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1035 | continue; |
| 1036 | |
Jens Axboe | a978ba6 | 2007-03-08 14:29:03 +0100 | [diff] [blame] | 1037 | if (clear_io_state(td)) |
| 1038 | break; |
| 1039 | |
Jens Axboe | 02bcaa8 | 2006-11-24 10:42:00 +0100 | [diff] [blame] | 1040 | fio_gettime(&td->start, NULL); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1041 | |
| 1042 | do_verify(td); |
| 1043 | |
Jens Axboe | 6900899 | 2006-11-24 13:12:56 +0100 | [diff] [blame] | 1044 | runtime[DDIR_READ] += utime_since_now(&td->start); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1045 | |
| 1046 | if (td->error || td->terminate) |
| 1047 | break; |
| 1048 | } |
| 1049 | |
Jens Axboe | 36dff96 | 2006-11-24 13:29:20 +0100 | [diff] [blame] | 1050 | update_rusage_stat(td); |
ljzhang,Yaxin Hu,Jianchao Tang | 47f0cc4 | 2007-07-26 11:00:29 +0200 | [diff] [blame] | 1051 | td->ts.runtime[0] = (runtime[0] + 999) / 1000; |
| 1052 | td->ts.runtime[1] = (runtime[1] + 999) / 1000; |
Jens Axboe | 756867b | 2007-03-06 15:19:24 +0100 | [diff] [blame] | 1053 | td->ts.total_run_time = mtime_since_now(&td->epoch); |
| 1054 | td->ts.io_bytes[0] = td->io_bytes[0]; |
| 1055 | td->ts.io_bytes[1] = td->io_bytes[1]; |
Jens Axboe | 6900899 | 2006-11-24 13:12:56 +0100 | [diff] [blame] | 1056 | |
Jens Axboe | 756867b | 2007-03-06 15:19:24 +0100 | [diff] [blame] | 1057 | if (td->ts.bw_log) |
| 1058 | finish_log(td, td->ts.bw_log, "bw"); |
| 1059 | if (td->ts.slat_log) |
| 1060 | finish_log(td, td->ts.slat_log, "slat"); |
| 1061 | if (td->ts.clat_log) |
| 1062 | finish_log(td, td->ts.clat_log, "clat"); |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 1063 | if (td->o.exec_postrun) { |
| 1064 | if (system(td->o.exec_postrun) < 0) |
| 1065 | log_err("fio: postrun %s failed\n", td->o.exec_postrun); |
Jens Axboe | 69cfd7e | 2007-02-07 13:58:53 +0100 | [diff] [blame] | 1066 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1067 | |
| 1068 | if (exitall_on_terminate) |
Jens Axboe | 390c40e | 2007-03-05 12:35:29 +0100 | [diff] [blame] | 1069 | terminate_threads(td->groupid); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1070 | |
| 1071 | err: |
Jens Axboe | 5bf13a5 | 2007-02-17 01:51:47 +0100 | [diff] [blame] | 1072 | if (td->error) |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 1073 | printf("fio: pid=%d, err=%d/%s\n", (int) td->pid, td->error, |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 1074 | td->verror); |
Jens Axboe | 24ffd2c | 2008-03-01 15:47:08 +0100 | [diff] [blame] | 1075 | close_and_free_files(td); |
Jens Axboe | 2866c82 | 2006-10-09 15:57:48 +0200 | [diff] [blame] | 1076 | close_ioengine(td); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1077 | cleanup_io_u(td); |
Jens Axboe | f29b25a | 2007-07-23 08:56:43 +0200 | [diff] [blame] | 1078 | |
| 1079 | /* |
| 1080 | * do this very late, it will log file closing as well |
| 1081 | */ |
| 1082 | if (td->o.write_iolog_file) |
| 1083 | write_iolog_close(td); |
| 1084 | |
Jens Axboe | d23bb32 | 2007-03-23 15:57:56 +0100 | [diff] [blame] | 1085 | options_mem_free(td); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1086 | td_set_runstate(td, TD_EXITED); |
Jens Axboe | 43d7680 | 2007-02-21 16:35:29 +0100 | [diff] [blame] | 1087 | return (void *) (unsigned long) td->error; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1088 | } |
| 1089 | |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 1090 | /* |
| 1091 | * We cannot pass the td data into a forked process, so attach the td and |
| 1092 | * pass it to the thread worker. |
| 1093 | */ |
Jens Axboe | a641814 | 2007-02-17 04:47:18 +0100 | [diff] [blame] | 1094 | static int fork_main(int shmid, int offset) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1095 | { |
| 1096 | struct thread_data *td; |
Jens Axboe | a641814 | 2007-02-17 04:47:18 +0100 | [diff] [blame] | 1097 | void *data, *ret; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1098 | |
| 1099 | data = shmat(shmid, NULL, 0); |
| 1100 | if (data == (void *) -1) { |
Jens Axboe | a641814 | 2007-02-17 04:47:18 +0100 | [diff] [blame] | 1101 | int __err = errno; |
| 1102 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1103 | perror("shmat"); |
Jens Axboe | a641814 | 2007-02-17 04:47:18 +0100 | [diff] [blame] | 1104 | return __err; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1105 | } |
| 1106 | |
| 1107 | td = data + offset * sizeof(struct thread_data); |
Jens Axboe | a641814 | 2007-02-17 04:47:18 +0100 | [diff] [blame] | 1108 | ret = thread_main(td); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1109 | shmdt(data); |
Jens Axboe | 43d7680 | 2007-02-21 16:35:29 +0100 | [diff] [blame] | 1110 | return (int) (unsigned long) ret; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1111 | } |
| 1112 | |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 1113 | /* |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 1114 | * Run over the job map and reap the threads that have exited, if any. |
| 1115 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1116 | static void reap_threads(int *nr_running, int *t_rate, int *m_rate) |
| 1117 | { |
Jens Axboe | 34572e2 | 2006-10-20 09:33:18 +0200 | [diff] [blame] | 1118 | struct thread_data *td; |
Jens Axboe | 1f809d1 | 2007-10-25 18:34:02 +0200 | [diff] [blame] | 1119 | int i, cputhreads, realthreads, pending, status, ret; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1120 | |
| 1121 | /* |
| 1122 | * reap exited threads (TD_EXITED -> TD_REAPED) |
| 1123 | */ |
Jens Axboe | 1f809d1 | 2007-10-25 18:34:02 +0200 | [diff] [blame] | 1124 | realthreads = pending = cputhreads = 0; |
Jens Axboe | 34572e2 | 2006-10-20 09:33:18 +0200 | [diff] [blame] | 1125 | for_each_td(td, i) { |
Jens Axboe | 3707f45 | 2007-02-22 12:26:57 +0100 | [diff] [blame] | 1126 | int flags = 0; |
Jens Axboe | a2f77c9 | 2007-02-22 11:53:00 +0100 | [diff] [blame] | 1127 | |
Jens Axboe | 8458500 | 2006-10-19 20:26:22 +0200 | [diff] [blame] | 1128 | /* |
| 1129 | * ->io_ops is NULL for a thread that has closed its |
| 1130 | * io engine |
| 1131 | */ |
Jens Axboe | ba0fbe1 | 2007-03-09 14:34:23 +0100 | [diff] [blame] | 1132 | if (td->io_ops && !strcmp(td->io_ops->name, "cpuio")) |
Jens Axboe | b990b5c | 2006-09-14 09:48:22 +0200 | [diff] [blame] | 1133 | cputhreads++; |
Jens Axboe | 1f809d1 | 2007-10-25 18:34:02 +0200 | [diff] [blame] | 1134 | else |
| 1135 | realthreads++; |
Jens Axboe | b990b5c | 2006-09-14 09:48:22 +0200 | [diff] [blame] | 1136 | |
Aaron Carroll | a1dedc1 | 2008-02-20 09:14:12 +0100 | [diff] [blame] | 1137 | if (!td->pid) { |
| 1138 | pending++; |
| 1139 | continue; |
| 1140 | } |
| 1141 | if (td->runstate == TD_REAPED) |
Jens Axboe | a2f77c9 | 2007-02-22 11:53:00 +0100 | [diff] [blame] | 1142 | continue; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 1143 | if (td->o.use_thread) { |
Jens Axboe | 3707f45 | 2007-02-22 12:26:57 +0100 | [diff] [blame] | 1144 | if (td->runstate == TD_EXITED) { |
| 1145 | td_set_runstate(td, TD_REAPED); |
| 1146 | goto reaped; |
| 1147 | } |
| 1148 | continue; |
| 1149 | } |
Jens Axboe | a2f77c9 | 2007-02-22 11:53:00 +0100 | [diff] [blame] | 1150 | |
| 1151 | flags = WNOHANG; |
| 1152 | if (td->runstate == TD_EXITED) |
| 1153 | flags = 0; |
| 1154 | |
| 1155 | /* |
| 1156 | * check if someone quit or got killed in an unusual way |
| 1157 | */ |
| 1158 | ret = waitpid(td->pid, &status, flags); |
Jens Axboe | 3707f45 | 2007-02-22 12:26:57 +0100 | [diff] [blame] | 1159 | if (ret < 0) { |
Jens Axboe | a2f77c9 | 2007-02-22 11:53:00 +0100 | [diff] [blame] | 1160 | if (errno == ECHILD) { |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 1161 | log_err("fio: pid=%d disappeared %d\n", |
| 1162 | (int) td->pid, td->runstate); |
Jens Axboe | a2f77c9 | 2007-02-22 11:53:00 +0100 | [diff] [blame] | 1163 | td_set_runstate(td, TD_REAPED); |
| 1164 | goto reaped; |
| 1165 | } |
| 1166 | perror("waitpid"); |
| 1167 | } else if (ret == td->pid) { |
| 1168 | if (WIFSIGNALED(status)) { |
Jens Axboe | fab6aa7 | 2007-02-17 06:19:24 +0100 | [diff] [blame] | 1169 | int sig = WTERMSIG(status); |
| 1170 | |
Jens Axboe | d924494 | 2007-03-05 12:32:32 +0100 | [diff] [blame] | 1171 | if (sig != SIGQUIT) |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 1172 | log_err("fio: pid=%d, got signal=%d\n", |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 1173 | (int) td->pid, sig); |
Jens Axboe | fab6aa7 | 2007-02-17 06:19:24 +0100 | [diff] [blame] | 1174 | td_set_runstate(td, TD_REAPED); |
| 1175 | goto reaped; |
| 1176 | } |
Jens Axboe | a2f77c9 | 2007-02-22 11:53:00 +0100 | [diff] [blame] | 1177 | if (WIFEXITED(status)) { |
| 1178 | if (WEXITSTATUS(status) && !td->error) |
| 1179 | td->error = WEXITSTATUS(status); |
Jens Axboe | fab6aa7 | 2007-02-17 06:19:24 +0100 | [diff] [blame] | 1180 | |
Jens Axboe | a2f77c9 | 2007-02-22 11:53:00 +0100 | [diff] [blame] | 1181 | td_set_runstate(td, TD_REAPED); |
| 1182 | goto reaped; |
Jens Axboe | a641814 | 2007-02-17 04:47:18 +0100 | [diff] [blame] | 1183 | } |
| 1184 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1185 | |
Jens Axboe | a2f77c9 | 2007-02-22 11:53:00 +0100 | [diff] [blame] | 1186 | /* |
| 1187 | * thread is not dead, continue |
| 1188 | */ |
gurudas pai | e48676b | 2007-04-11 12:44:27 +0200 | [diff] [blame] | 1189 | pending++; |
Jens Axboe | a2f77c9 | 2007-02-22 11:53:00 +0100 | [diff] [blame] | 1190 | continue; |
Jens Axboe | fab6aa7 | 2007-02-17 06:19:24 +0100 | [diff] [blame] | 1191 | reaped: |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1192 | (*nr_running)--; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 1193 | (*m_rate) -= td->o.ratemin; |
| 1194 | (*t_rate) -= td->o.rate; |
Jens Axboe | 6f88bcb | 2008-03-19 10:29:07 +0100 | [diff] [blame] | 1195 | if (!td->pid) |
| 1196 | pending--; |
Jens Axboe | a2f77c9 | 2007-02-22 11:53:00 +0100 | [diff] [blame] | 1197 | |
| 1198 | if (td->error) |
| 1199 | exit_value++; |
Jens Axboe | d3eeeab | 2008-04-06 12:19:05 +0200 | [diff] [blame] | 1200 | |
| 1201 | done_secs += mtime_since_now(&td->epoch) / 1000; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1202 | } |
Jens Axboe | b990b5c | 2006-09-14 09:48:22 +0200 | [diff] [blame] | 1203 | |
Jens Axboe | 1f809d1 | 2007-10-25 18:34:02 +0200 | [diff] [blame] | 1204 | if (*nr_running == cputhreads && !pending && realthreads) |
Jens Axboe | 390c40e | 2007-03-05 12:35:29 +0100 | [diff] [blame] | 1205 | terminate_threads(TERMINATE_ALL); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1206 | } |
| 1207 | |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 1208 | /* |
| 1209 | * Main function for kicking off and reaping jobs, as needed. |
| 1210 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1211 | static void run_threads(void) |
| 1212 | { |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1213 | struct thread_data *td; |
| 1214 | unsigned long spent; |
| 1215 | int i, todo, nr_running, m_rate, t_rate, nr_started; |
Jens Axboe | fcb6ade | 2006-05-31 12:14:35 +0200 | [diff] [blame] | 1216 | |
Jens Axboe | 2f9ade3 | 2006-10-20 11:25:52 +0200 | [diff] [blame] | 1217 | if (fio_pin_memory()) |
| 1218 | return; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1219 | |
Jens Axboe | c6ae0a5 | 2006-06-12 11:04:44 +0200 | [diff] [blame] | 1220 | if (!terse_output) { |
Jens Axboe | 9cedf16 | 2007-03-12 11:29:30 +0100 | [diff] [blame] | 1221 | printf("Starting "); |
| 1222 | if (nr_thread) |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 1223 | printf("%d thread%s", nr_thread, |
| 1224 | nr_thread > 1 ? "s" : ""); |
Jens Axboe | 9cedf16 | 2007-03-12 11:29:30 +0100 | [diff] [blame] | 1225 | if (nr_process) { |
| 1226 | if (nr_thread) |
| 1227 | printf(" and "); |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 1228 | printf("%d process%s", nr_process, |
| 1229 | nr_process > 1 ? "es" : ""); |
Jens Axboe | 9cedf16 | 2007-03-12 11:29:30 +0100 | [diff] [blame] | 1230 | } |
| 1231 | printf("\n"); |
Jens Axboe | c6ae0a5 | 2006-06-12 11:04:44 +0200 | [diff] [blame] | 1232 | fflush(stdout); |
| 1233 | } |
Jens Axboe | c04f7ec | 2006-05-31 10:13:16 +0200 | [diff] [blame] | 1234 | |
Jens Axboe | 697a606 | 2008-05-31 00:04:45 +0200 | [diff] [blame] | 1235 | set_sig_handlers(); |
Jens Axboe | 4efa970 | 2006-05-31 11:56:49 +0200 | [diff] [blame] | 1236 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1237 | todo = thread_number; |
| 1238 | nr_running = 0; |
| 1239 | nr_started = 0; |
| 1240 | m_rate = t_rate = 0; |
| 1241 | |
Jens Axboe | 34572e2 | 2006-10-20 09:33:18 +0200 | [diff] [blame] | 1242 | for_each_td(td, i) { |
Jens Axboe | 263e529 | 2006-10-18 15:37:01 +0200 | [diff] [blame] | 1243 | print_status_init(td->thread_number - 1); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1244 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 1245 | if (!td->o.create_serialize) { |
Jens Axboe | 380cf26 | 2007-01-11 14:01:27 +0100 | [diff] [blame] | 1246 | init_disk_util(td); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1247 | continue; |
Jens Axboe | 380cf26 | 2007-01-11 14:01:27 +0100 | [diff] [blame] | 1248 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1249 | |
| 1250 | /* |
| 1251 | * do file setup here so it happens sequentially, |
| 1252 | * we don't want X number of threads getting their |
| 1253 | * client data interspersed on disk |
| 1254 | */ |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 1255 | if (setup_files(td)) { |
Jens Axboe | 5bf13a5 | 2007-02-17 01:51:47 +0100 | [diff] [blame] | 1256 | exit_value++; |
| 1257 | if (td->error) |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 1258 | log_err("fio: pid=%d, err=%d/%s\n", |
| 1259 | (int) td->pid, td->error, td->verror); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1260 | td_set_runstate(td, TD_REAPED); |
| 1261 | todo--; |
Jens Axboe | c69e887 | 2008-03-01 18:50:48 +0100 | [diff] [blame] | 1262 | } else { |
| 1263 | struct fio_file *f; |
| 1264 | unsigned int i; |
| 1265 | |
| 1266 | /* |
| 1267 | * for sharing to work, each job must always open |
| 1268 | * its own files. so close them, if we opened them |
| 1269 | * for creation |
| 1270 | */ |
| 1271 | for_each_file(td, f, i) |
| 1272 | td_io_close_file(td, f); |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 1273 | } |
Jens Axboe | 380cf26 | 2007-01-11 14:01:27 +0100 | [diff] [blame] | 1274 | |
| 1275 | init_disk_util(td); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1276 | } |
| 1277 | |
Jens Axboe | a2f77c9 | 2007-02-22 11:53:00 +0100 | [diff] [blame] | 1278 | set_genesis_time(); |
| 1279 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1280 | while (todo) { |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 1281 | struct thread_data *map[MAX_JOBS]; |
| 1282 | struct timeval this_start; |
| 1283 | int this_jobs = 0, left; |
| 1284 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1285 | /* |
| 1286 | * create threads (TD_NOT_CREATED -> TD_CREATED) |
| 1287 | */ |
Jens Axboe | 34572e2 | 2006-10-20 09:33:18 +0200 | [diff] [blame] | 1288 | for_each_td(td, i) { |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1289 | if (td->runstate != TD_NOT_CREATED) |
| 1290 | continue; |
| 1291 | |
| 1292 | /* |
| 1293 | * never got a chance to start, killed by other |
| 1294 | * thread for some reason |
| 1295 | */ |
| 1296 | if (td->terminate) { |
| 1297 | todo--; |
| 1298 | continue; |
| 1299 | } |
| 1300 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 1301 | if (td->o.start_delay) { |
Jens Axboe | 263e529 | 2006-10-18 15:37:01 +0200 | [diff] [blame] | 1302 | spent = mtime_since_genesis(); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1303 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 1304 | if (td->o.start_delay * 1000 > spent) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1305 | continue; |
| 1306 | } |
| 1307 | |
Jens Axboe | 6f88bcb | 2008-03-19 10:29:07 +0100 | [diff] [blame] | 1308 | if (td->o.stonewall && (nr_started || nr_running)) { |
| 1309 | dprint(FD_PROCESS, "%s: stonewall wait\n", |
| 1310 | td->o.name); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1311 | break; |
Jens Axboe | 6f88bcb | 2008-03-19 10:29:07 +0100 | [diff] [blame] | 1312 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1313 | |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 1314 | /* |
| 1315 | * Set state to created. Thread will transition |
| 1316 | * to TD_INITIALIZED when it's done setting up. |
| 1317 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1318 | td_set_runstate(td, TD_CREATED); |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 1319 | map[this_jobs++] = td; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1320 | nr_started++; |
| 1321 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 1322 | if (td->o.use_thread) { |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 1323 | dprint(FD_PROCESS, "will pthread_create\n"); |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 1324 | if (pthread_create(&td->thread, NULL, |
| 1325 | thread_main, td)) { |
Jens Axboe | f4705a7 | 2008-03-10 10:52:22 +0100 | [diff] [blame] | 1326 | perror("pthread_create"); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1327 | nr_started--; |
Jens Axboe | c8bb6fa | 2007-03-12 11:03:04 +0100 | [diff] [blame] | 1328 | break; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1329 | } |
Jens Axboe | f4705a7 | 2008-03-10 10:52:22 +0100 | [diff] [blame] | 1330 | if (pthread_detach(td->thread) < 0) |
| 1331 | perror("pthread_detach"); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1332 | } else { |
Jens Axboe | 5e1d306 | 2008-05-23 11:55:53 +0200 | [diff] [blame] | 1333 | pid_t pid; |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 1334 | dprint(FD_PROCESS, "will fork\n"); |
Jens Axboe | 5e1d306 | 2008-05-23 11:55:53 +0200 | [diff] [blame] | 1335 | pid = fork(); |
| 1336 | if (!pid) { |
Jens Axboe | a641814 | 2007-02-17 04:47:18 +0100 | [diff] [blame] | 1337 | int ret = fork_main(shm_id, i); |
| 1338 | |
Jens Axboe | 5e1d306 | 2008-05-23 11:55:53 +0200 | [diff] [blame] | 1339 | _exit(ret); |
| 1340 | } else if (i == fio_debug_jobno) |
| 1341 | *fio_debug_jobp = pid; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1342 | } |
Jens Axboe | cdd18ad | 2008-02-27 18:58:00 +0100 | [diff] [blame] | 1343 | fio_mutex_down(startup_mutex); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1344 | } |
| 1345 | |
| 1346 | /* |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 1347 | * Wait for the started threads to transition to |
| 1348 | * TD_INITIALIZED. |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1349 | */ |
Jens Axboe | 02bcaa8 | 2006-11-24 10:42:00 +0100 | [diff] [blame] | 1350 | fio_gettime(&this_start, NULL); |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 1351 | left = this_jobs; |
Jens Axboe | 6ce15a3 | 2007-01-12 09:04:41 +0100 | [diff] [blame] | 1352 | while (left && !fio_abort) { |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 1353 | if (mtime_since_now(&this_start) > JOB_START_TIMEOUT) |
| 1354 | break; |
| 1355 | |
| 1356 | usleep(100000); |
| 1357 | |
| 1358 | for (i = 0; i < this_jobs; i++) { |
| 1359 | td = map[i]; |
| 1360 | if (!td) |
| 1361 | continue; |
Jens Axboe | b6f4d88 | 2006-06-02 10:32:51 +0200 | [diff] [blame] | 1362 | if (td->runstate == TD_INITIALIZED) { |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 1363 | map[i] = NULL; |
| 1364 | left--; |
Jens Axboe | b6f4d88 | 2006-06-02 10:32:51 +0200 | [diff] [blame] | 1365 | } else if (td->runstate >= TD_EXITED) { |
| 1366 | map[i] = NULL; |
| 1367 | left--; |
| 1368 | todo--; |
| 1369 | nr_running++; /* work-around... */ |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 1370 | } |
| 1371 | } |
| 1372 | } |
| 1373 | |
| 1374 | if (left) { |
Jens Axboe | 3b70d7e | 2006-06-08 21:48:46 +0200 | [diff] [blame] | 1375 | log_err("fio: %d jobs failed to start\n", left); |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 1376 | for (i = 0; i < this_jobs; i++) { |
| 1377 | td = map[i]; |
| 1378 | if (!td) |
| 1379 | continue; |
| 1380 | kill(td->pid, SIGTERM); |
| 1381 | } |
| 1382 | break; |
| 1383 | } |
| 1384 | |
| 1385 | /* |
Jens Axboe | b6f4d88 | 2006-06-02 10:32:51 +0200 | [diff] [blame] | 1386 | * start created threads (TD_INITIALIZED -> TD_RUNNING). |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 1387 | */ |
Jens Axboe | 34572e2 | 2006-10-20 09:33:18 +0200 | [diff] [blame] | 1388 | for_each_td(td, i) { |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 1389 | if (td->runstate != TD_INITIALIZED) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1390 | continue; |
| 1391 | |
Jens Axboe | b29ee5b | 2008-09-11 10:17:26 +0200 | [diff] [blame] | 1392 | if (in_ramp_time(td)) |
| 1393 | td_set_runstate(td, TD_RAMP); |
| 1394 | else |
| 1395 | td_set_runstate(td, TD_RUNNING); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1396 | nr_running++; |
| 1397 | nr_started--; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 1398 | m_rate += td->o.ratemin; |
| 1399 | t_rate += td->o.rate; |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 1400 | todo--; |
Jens Axboe | cdd18ad | 2008-02-27 18:58:00 +0100 | [diff] [blame] | 1401 | fio_mutex_up(td->mutex); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1402 | } |
| 1403 | |
| 1404 | reap_threads(&nr_running, &t_rate, &m_rate); |
| 1405 | |
| 1406 | if (todo) |
| 1407 | usleep(100000); |
| 1408 | } |
| 1409 | |
| 1410 | while (nr_running) { |
| 1411 | reap_threads(&nr_running, &t_rate, &m_rate); |
| 1412 | usleep(10000); |
| 1413 | } |
| 1414 | |
| 1415 | update_io_ticks(); |
Jens Axboe | 2f9ade3 | 2006-10-20 11:25:52 +0200 | [diff] [blame] | 1416 | fio_unpin_memory(); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1417 | } |
| 1418 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1419 | int main(int argc, char *argv[]) |
| 1420 | { |
Jens Axboe | 29d610e | 2007-02-06 13:25:33 +0100 | [diff] [blame] | 1421 | long ps; |
| 1422 | |
Jens Axboe | 2e5cdb1 | 2008-03-01 18:52:49 +0100 | [diff] [blame] | 1423 | sinit(); |
| 1424 | |
Jens Axboe | dbe1125 | 2007-02-11 00:19:51 +0100 | [diff] [blame] | 1425 | /* |
| 1426 | * We need locale for number printing, if it isn't set then just |
| 1427 | * go with the US format. |
| 1428 | */ |
| 1429 | if (!getenv("LC_NUMERIC")) |
| 1430 | setlocale(LC_NUMERIC, "en_US"); |
| 1431 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1432 | if (parse_options(argc, argv)) |
| 1433 | return 1; |
| 1434 | |
Jens Axboe | 4b472fa | 2007-04-04 11:04:34 +0200 | [diff] [blame] | 1435 | if (!thread_number) |
| 1436 | return 0; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1437 | |
Jens Axboe | 29d610e | 2007-02-06 13:25:33 +0100 | [diff] [blame] | 1438 | ps = sysconf(_SC_PAGESIZE); |
| 1439 | if (ps < 0) { |
| 1440 | log_err("Failed to get page size\n"); |
| 1441 | return 1; |
| 1442 | } |
| 1443 | |
Jens Axboe | cfc99db | 2007-03-14 10:34:47 +0100 | [diff] [blame] | 1444 | page_size = ps; |
Jens Axboe | 29d610e | 2007-02-06 13:25:33 +0100 | [diff] [blame] | 1445 | page_mask = ps - 1; |
| 1446 | |
Jens Axboe | bb3884d | 2007-01-17 17:23:11 +1100 | [diff] [blame] | 1447 | if (write_bw_log) { |
| 1448 | setup_log(&agg_io_log[DDIR_READ]); |
| 1449 | setup_log(&agg_io_log[DDIR_WRITE]); |
| 1450 | } |
| 1451 | |
Jens Axboe | cdd18ad | 2008-02-27 18:58:00 +0100 | [diff] [blame] | 1452 | startup_mutex = fio_mutex_init(0); |
Jens Axboe | 07739b5 | 2007-03-08 20:25:46 +0100 | [diff] [blame] | 1453 | |
Jens Axboe | a2f77c9 | 2007-02-22 11:53:00 +0100 | [diff] [blame] | 1454 | set_genesis_time(); |
| 1455 | |
Jens Axboe | ccb0fa2 | 2008-05-30 23:18:00 +0200 | [diff] [blame] | 1456 | status_timer_arm(); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1457 | |
| 1458 | run_threads(); |
Jens Axboe | 6ce15a3 | 2007-01-12 09:04:41 +0100 | [diff] [blame] | 1459 | |
Jens Axboe | bb3884d | 2007-01-17 17:23:11 +1100 | [diff] [blame] | 1460 | if (!fio_abort) { |
Jens Axboe | 6ce15a3 | 2007-01-12 09:04:41 +0100 | [diff] [blame] | 1461 | show_run_stats(); |
Jens Axboe | bb3884d | 2007-01-17 17:23:11 +1100 | [diff] [blame] | 1462 | if (write_bw_log) { |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 1463 | __finish_log(agg_io_log[DDIR_READ], "agg-read_bw.log"); |
| 1464 | __finish_log(agg_io_log[DDIR_WRITE], |
| 1465 | "agg-write_bw.log"); |
Jens Axboe | bb3884d | 2007-01-17 17:23:11 +1100 | [diff] [blame] | 1466 | } |
| 1467 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1468 | |
Jens Axboe | cdd18ad | 2008-02-27 18:58:00 +0100 | [diff] [blame] | 1469 | fio_mutex_remove(startup_mutex); |
Jens Axboe | 437c9b7 | 2007-02-13 18:20:37 +0100 | [diff] [blame] | 1470 | return exit_value; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1471 | } |