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 | 4f5af7b | 2009-06-03 08:45:40 +0200 | [diff] [blame] | 40 | #include "verify.h" |
Jens Axboe | 7c9b1bc | 2009-06-03 09:25:57 +0200 | [diff] [blame] | 41 | #include "diskutil.h" |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 42 | |
Jens Axboe | cfc99db | 2007-03-14 10:34:47 +0100 | [diff] [blame] | 43 | unsigned long page_mask; |
| 44 | unsigned long page_size; |
Jens Axboe | 29d610e | 2007-02-06 13:25:33 +0100 | [diff] [blame] | 45 | #define ALIGN(buf) \ |
| 46 | (char *) (((unsigned long) (buf) + page_mask) & ~page_mask) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 47 | |
| 48 | int groupid = 0; |
| 49 | int thread_number = 0; |
Jens Axboe | 9cedf16 | 2007-03-12 11:29:30 +0100 | [diff] [blame] | 50 | int nr_process = 0; |
| 51 | int nr_thread = 0; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 52 | int shm_id = 0; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 53 | int temp_stall_ts; |
Jens Axboe | d3eeeab | 2008-04-06 12:19:05 +0200 | [diff] [blame] | 54 | unsigned long done_secs = 0; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 55 | |
Jens Axboe | cdd18ad | 2008-02-27 18:58:00 +0100 | [diff] [blame] | 56 | static struct fio_mutex *startup_mutex; |
Fabio Checconi | d2bbb8d | 2009-05-18 12:54:50 +0200 | [diff] [blame] | 57 | static struct fio_mutex *writeout_mutex; |
Jens Axboe | 6ce15a3 | 2007-01-12 09:04:41 +0100 | [diff] [blame] | 58 | static volatile int fio_abort; |
Jens Axboe | 437c9b7 | 2007-02-13 18:20:37 +0100 | [diff] [blame] | 59 | static int exit_value; |
Jens Axboe | ccb0fa2 | 2008-05-30 23:18:00 +0200 | [diff] [blame] | 60 | static struct itimerval itimer; |
Jens Axboe | be4ecfd | 2008-12-08 14:10:52 +0100 | [diff] [blame] | 61 | static pthread_t gtod_thread; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 62 | |
Jens Axboe | bb3884d | 2007-01-17 17:23:11 +1100 | [diff] [blame] | 63 | struct io_log *agg_io_log[2]; |
| 64 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 65 | #define TERMINATE_ALL (-1) |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 66 | #define JOB_START_TIMEOUT (5 * 1000) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 67 | |
Jens Axboe | b29ee5b | 2008-09-11 10:17:26 +0200 | [diff] [blame] | 68 | void td_set_runstate(struct thread_data *td, int runstate) |
Jens Axboe | 6ce15a3 | 2007-01-12 09:04:41 +0100 | [diff] [blame] | 69 | { |
Jens Axboe | d8fab1b | 2008-03-06 10:25:17 +0100 | [diff] [blame] | 70 | if (td->runstate == runstate) |
| 71 | return; |
| 72 | |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 73 | dprint(FD_PROCESS, "pid=%d: runstate %d -> %d\n", (int) td->pid, |
| 74 | td->runstate, runstate); |
Jens Axboe | 6ce15a3 | 2007-01-12 09:04:41 +0100 | [diff] [blame] | 75 | td->runstate = runstate; |
| 76 | } |
| 77 | |
Jens Axboe | 390c40e | 2007-03-05 12:35:29 +0100 | [diff] [blame] | 78 | static void terminate_threads(int group_id) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 79 | { |
Jens Axboe | 34572e2 | 2006-10-20 09:33:18 +0200 | [diff] [blame] | 80 | struct thread_data *td; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 81 | int i; |
| 82 | |
Jens Axboe | 6f88bcb | 2008-03-19 10:29:07 +0100 | [diff] [blame] | 83 | dprint(FD_PROCESS, "terminate group_id=%d\n", group_id); |
| 84 | |
Jens Axboe | 34572e2 | 2006-10-20 09:33:18 +0200 | [diff] [blame] | 85 | for_each_td(td, i) { |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 86 | if (group_id == TERMINATE_ALL || groupid == td->groupid) { |
Jens Axboe | 6f88bcb | 2008-03-19 10:29:07 +0100 | [diff] [blame] | 87 | dprint(FD_PROCESS, "setting terminate on %s/%d\n", |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 88 | td->o.name, (int) td->pid); |
Jens Axboe | ad830ed | 2008-02-18 21:11:24 +0100 | [diff] [blame] | 89 | td->terminate = 1; |
| 90 | td->o.start_delay = 0; |
| 91 | |
Jens Axboe | 7a93ab1 | 2007-04-18 12:25:41 +0200 | [diff] [blame] | 92 | /* |
| 93 | * if the thread is running, just let it exit |
| 94 | */ |
| 95 | if (td->runstate < TD_RUNNING) |
Jens Axboe | c1302d4 | 2007-03-05 20:18:31 +0100 | [diff] [blame] | 96 | kill(td->pid, SIGQUIT); |
Jens Axboe | f63f7f3 | 2008-03-01 15:25:24 +0100 | [diff] [blame] | 97 | else { |
| 98 | struct ioengine_ops *ops = td->io_ops; |
| 99 | |
| 100 | if (ops && (ops->flags & FIO_SIGQUIT)) |
| 101 | kill(td->pid, SIGQUIT); |
| 102 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 103 | } |
| 104 | } |
| 105 | } |
| 106 | |
Jens Axboe | ccb0fa2 | 2008-05-30 23:18:00 +0200 | [diff] [blame] | 107 | static void status_timer_arm(void) |
| 108 | { |
| 109 | itimer.it_value.tv_sec = 0; |
| 110 | itimer.it_value.tv_usec = DISK_UTIL_MSEC * 1000; |
| 111 | setitimer(ITIMER_REAL, &itimer, NULL); |
| 112 | } |
| 113 | |
Jens Axboe | 02444ad | 2008-10-07 11:33:00 +0200 | [diff] [blame] | 114 | static void sig_alrm(int fio_unused sig) |
Jens Axboe | ccb0fa2 | 2008-05-30 23:18:00 +0200 | [diff] [blame] | 115 | { |
Jens Axboe | 697a606 | 2008-05-31 00:04:45 +0200 | [diff] [blame] | 116 | if (threads) { |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 117 | update_io_ticks(); |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 118 | print_thread_status(); |
Jens Axboe | ccb0fa2 | 2008-05-30 23:18:00 +0200 | [diff] [blame] | 119 | status_timer_arm(); |
Jens Axboe | 697a606 | 2008-05-31 00:04:45 +0200 | [diff] [blame] | 120 | } |
| 121 | } |
| 122 | |
Jens Axboe | 5f8f972 | 2008-11-18 19:10:21 +0100 | [diff] [blame] | 123 | /* |
| 124 | * Happens on thread runs with ctrl-c, ignore our own SIGQUIT |
| 125 | */ |
| 126 | static void sig_quit(int sig) |
| 127 | { |
| 128 | } |
| 129 | |
Jens Axboe | 697a606 | 2008-05-31 00:04:45 +0200 | [diff] [blame] | 130 | static void sig_int(int sig) |
| 131 | { |
| 132 | if (threads) { |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 133 | printf("\nfio: terminating on signal %d\n", sig); |
| 134 | fflush(stdout); |
| 135 | terminate_threads(TERMINATE_ALL); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 136 | } |
| 137 | } |
| 138 | |
Jens Axboe | 02444ad | 2008-10-07 11:33:00 +0200 | [diff] [blame] | 139 | static void sig_ill(int fio_unused sig) |
Jens Axboe | de79c91 | 2008-08-04 21:43:55 +0200 | [diff] [blame] | 140 | { |
| 141 | if (!threads) |
| 142 | return; |
| 143 | |
| 144 | log_err("fio: illegal instruction. your cpu does not support " |
| 145 | "the sse4.2 instruction for crc32c\n"); |
| 146 | terminate_threads(TERMINATE_ALL); |
| 147 | exit(4); |
| 148 | } |
| 149 | |
Jens Axboe | 697a606 | 2008-05-31 00:04:45 +0200 | [diff] [blame] | 150 | static void set_sig_handlers(void) |
| 151 | { |
| 152 | struct sigaction act; |
| 153 | |
| 154 | memset(&act, 0, sizeof(act)); |
| 155 | act.sa_handler = sig_alrm; |
| 156 | act.sa_flags = SA_RESTART; |
| 157 | sigaction(SIGALRM, &act, NULL); |
| 158 | |
| 159 | memset(&act, 0, sizeof(act)); |
| 160 | act.sa_handler = sig_int; |
| 161 | act.sa_flags = SA_RESTART; |
| 162 | sigaction(SIGINT, &act, NULL); |
Jens Axboe | de79c91 | 2008-08-04 21:43:55 +0200 | [diff] [blame] | 163 | |
| 164 | memset(&act, 0, sizeof(act)); |
| 165 | act.sa_handler = sig_ill; |
| 166 | act.sa_flags = SA_RESTART; |
| 167 | sigaction(SIGILL, &act, NULL); |
Jens Axboe | 5f8f972 | 2008-11-18 19:10:21 +0100 | [diff] [blame] | 168 | |
| 169 | memset(&act, 0, sizeof(act)); |
| 170 | act.sa_handler = sig_quit; |
| 171 | act.sa_flags = SA_RESTART; |
| 172 | sigaction(SIGQUIT, &act, NULL); |
Jens Axboe | 697a606 | 2008-05-31 00:04:45 +0200 | [diff] [blame] | 173 | } |
| 174 | |
| 175 | /* |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 176 | * Check if we are above the minimum rate given. |
| 177 | */ |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame^] | 178 | static int __check_min_rate(struct thread_data *td, struct timeval *now, |
| 179 | enum td_ddir ddir) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 180 | { |
Jens Axboe | 0904200 | 2007-02-23 10:56:22 +0100 | [diff] [blame] | 181 | unsigned long long bytes = 0; |
Jens Axboe | 4e991c2 | 2007-03-15 11:41:11 +0100 | [diff] [blame] | 182 | unsigned long iops = 0; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 183 | unsigned long spent; |
| 184 | unsigned long rate; |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame^] | 185 | unsigned int ratemin = 0; |
| 186 | unsigned int rate_iops = 0; |
| 187 | unsigned int rate_iops_min = 0; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 188 | |
| 189 | /* |
| 190 | * allow a 2 second settle period in the beginning |
| 191 | */ |
| 192 | if (mtime_since(&td->start, now) < 2000) |
| 193 | return 0; |
| 194 | |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame^] | 195 | iops += td->io_blocks[ddir]; |
| 196 | bytes += td->this_io_bytes[ddir]; |
| 197 | ratemin += td->o.ratemin[ddir]; |
| 198 | rate_iops += td->o.rate_iops[ddir]; |
| 199 | rate_iops_min += td->o.rate_iops_min[ddir]; |
Jens Axboe | 0904200 | 2007-02-23 10:56:22 +0100 | [diff] [blame] | 200 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 201 | /* |
| 202 | * if rate blocks is set, sample is running |
| 203 | */ |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame^] | 204 | if (td->rate_bytes[ddir] || td->rate_blocks[ddir]) { |
| 205 | spent = mtime_since(&td->lastrate[ddir], now); |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 206 | if (spent < td->o.ratecycle) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 207 | return 0; |
| 208 | |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame^] | 209 | if (td->o.rate[ddir]) { |
Jens Axboe | 4e991c2 | 2007-03-15 11:41:11 +0100 | [diff] [blame] | 210 | /* |
| 211 | * check bandwidth specified rate |
| 212 | */ |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame^] | 213 | if (bytes < td->rate_bytes[ddir]) { |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 214 | log_err("%s: min rate %u not met\n", td->o.name, |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame^] | 215 | ratemin); |
Jens Axboe | 413dd45 | 2007-02-23 09:26:09 +0100 | [diff] [blame] | 216 | return 1; |
Jens Axboe | 4e991c2 | 2007-03-15 11:41:11 +0100 | [diff] [blame] | 217 | } else { |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame^] | 218 | rate = ((bytes - td->rate_bytes[ddir]) * 1000) / spent; |
| 219 | if (rate < ratemin || |
| 220 | bytes < td->rate_bytes[ddir]) { |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 221 | log_err("%s: min rate %u not met, got" |
| 222 | " %luKiB/sec\n", td->o.name, |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame^] | 223 | ratemin, rate); |
Jens Axboe | 4e991c2 | 2007-03-15 11:41:11 +0100 | [diff] [blame] | 224 | return 1; |
| 225 | } |
| 226 | } |
| 227 | } else { |
| 228 | /* |
| 229 | * checks iops specified rate |
| 230 | */ |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame^] | 231 | if (iops < rate_iops) { |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 232 | log_err("%s: min iops rate %u not met\n", |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame^] | 233 | td->o.name, rate_iops); |
Jens Axboe | 4e991c2 | 2007-03-15 11:41:11 +0100 | [diff] [blame] | 234 | return 1; |
| 235 | } else { |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame^] | 236 | rate = ((iops - td->rate_blocks[ddir]) * 1000) / spent; |
| 237 | if (rate < rate_iops_min || |
| 238 | iops < td->rate_blocks[ddir]) { |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 239 | log_err("%s: min iops rate %u not met," |
| 240 | " got %lu\n", td->o.name, |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame^] | 241 | rate_iops_min, rate); |
Jens Axboe | 4e991c2 | 2007-03-15 11:41:11 +0100 | [diff] [blame] | 242 | } |
Jens Axboe | 413dd45 | 2007-02-23 09:26:09 +0100 | [diff] [blame] | 243 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 244 | } |
| 245 | } |
| 246 | |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame^] | 247 | td->rate_bytes[ddir] = bytes; |
| 248 | td->rate_blocks[ddir] = iops; |
| 249 | memcpy(&td->lastrate[ddir], now, sizeof(*now)); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 250 | return 0; |
| 251 | } |
| 252 | |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame^] | 253 | static int check_min_rate(struct thread_data *td, struct timeval *now, |
| 254 | unsigned long *bytes_done) |
| 255 | { |
| 256 | int ret = 0; |
| 257 | |
| 258 | if (bytes_done[0]) |
| 259 | ret |= __check_min_rate(td, now, 0); |
| 260 | if (bytes_done[1]) |
| 261 | ret |= __check_min_rate(td, now, 1); |
| 262 | |
| 263 | return ret; |
| 264 | } |
| 265 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 266 | static inline int runtime_exceeded(struct thread_data *td, struct timeval *t) |
| 267 | { |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 268 | if (!td->o.timeout) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 269 | return 0; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 270 | if (mtime_since(&td->epoch, t) >= td->o.timeout * 1000) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 271 | return 1; |
| 272 | |
| 273 | return 0; |
| 274 | } |
| 275 | |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 276 | /* |
| 277 | * When job exits, we can cancel the in-flight IO if we are using async |
| 278 | * io. Attempt to do so. |
| 279 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 280 | static void cleanup_pending_aio(struct thread_data *td) |
| 281 | { |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 282 | struct flist_head *entry, *n; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 283 | struct io_u *io_u; |
| 284 | int r; |
| 285 | |
| 286 | /* |
| 287 | * get immediately available events, if any |
| 288 | */ |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame^] | 289 | r = io_u_queued_complete(td, 0, NULL); |
Jens Axboe | b2fdda4 | 2007-02-20 20:52:51 +0100 | [diff] [blame] | 290 | if (r < 0) |
| 291 | return; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 292 | |
| 293 | /* |
| 294 | * now cancel remaining active events |
| 295 | */ |
Jens Axboe | 2866c82 | 2006-10-09 15:57:48 +0200 | [diff] [blame] | 296 | if (td->io_ops->cancel) { |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 297 | flist_for_each_safe(entry, n, &td->io_u_busylist) { |
| 298 | io_u = flist_entry(entry, struct io_u, list); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 299 | |
Jens Axboe | 0c6e751 | 2007-02-22 11:19:39 +0100 | [diff] [blame] | 300 | /* |
| 301 | * if the io_u isn't in flight, then that generally |
| 302 | * means someone leaked an io_u. complain but fix |
| 303 | * it up, so we don't stall here. |
| 304 | */ |
| 305 | if ((io_u->flags & IO_U_F_FLIGHT) == 0) { |
| 306 | log_err("fio: non-busy IO on busy list\n"); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 307 | put_io_u(td, io_u); |
Jens Axboe | 0c6e751 | 2007-02-22 11:19:39 +0100 | [diff] [blame] | 308 | } else { |
| 309 | r = td->io_ops->cancel(td, io_u); |
| 310 | if (!r) |
| 311 | put_io_u(td, io_u); |
| 312 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 313 | } |
| 314 | } |
| 315 | |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 316 | if (td->cur_depth) |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame^] | 317 | r = io_u_queued_complete(td, td->cur_depth, NULL); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 318 | } |
| 319 | |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 320 | /* |
Jens Axboe | 858a3d4 | 2006-10-24 14:54:44 +0200 | [diff] [blame] | 321 | * Helper to handle the final sync of a file. Works just like the normal |
| 322 | * io path, just does everything sync. |
| 323 | */ |
| 324 | static int fio_io_sync(struct thread_data *td, struct fio_file *f) |
| 325 | { |
| 326 | struct io_u *io_u = __get_io_u(td); |
Jens Axboe | 858a3d4 | 2006-10-24 14:54:44 +0200 | [diff] [blame] | 327 | int ret; |
| 328 | |
| 329 | if (!io_u) |
| 330 | return 1; |
| 331 | |
| 332 | io_u->ddir = DDIR_SYNC; |
| 333 | io_u->file = f; |
| 334 | |
| 335 | if (td_io_prep(td, io_u)) { |
| 336 | put_io_u(td, io_u); |
| 337 | return 1; |
| 338 | } |
| 339 | |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 340 | requeue: |
Jens Axboe | 858a3d4 | 2006-10-24 14:54:44 +0200 | [diff] [blame] | 341 | ret = td_io_queue(td, io_u); |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 342 | if (ret < 0) { |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 343 | td_verror(td, io_u->error, "td_io_queue"); |
Jens Axboe | 858a3d4 | 2006-10-24 14:54:44 +0200 | [diff] [blame] | 344 | put_io_u(td, io_u); |
Jens Axboe | 858a3d4 | 2006-10-24 14:54:44 +0200 | [diff] [blame] | 345 | return 1; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 346 | } else if (ret == FIO_Q_QUEUED) { |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame^] | 347 | if (io_u_queued_complete(td, 1, NULL) < 0) |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 348 | return 1; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 349 | } else if (ret == FIO_Q_COMPLETED) { |
| 350 | if (io_u->error) { |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 351 | td_verror(td, io_u->error, "td_io_queue"); |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 352 | return 1; |
| 353 | } |
Jens Axboe | 858a3d4 | 2006-10-24 14:54:44 +0200 | [diff] [blame] | 354 | |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame^] | 355 | if (io_u_sync_complete(td, io_u, NULL) < 0) |
Jens Axboe | b2fdda4 | 2007-02-20 20:52:51 +0100 | [diff] [blame] | 356 | return 1; |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 357 | } else if (ret == FIO_Q_BUSY) { |
| 358 | if (td_io_commit(td)) |
| 359 | return 1; |
| 360 | goto requeue; |
Jens Axboe | 858a3d4 | 2006-10-24 14:54:44 +0200 | [diff] [blame] | 361 | } |
| 362 | |
| 363 | return 0; |
| 364 | } |
| 365 | |
Jens Axboe | 993bf48 | 2008-11-14 13:04:53 +0100 | [diff] [blame] | 366 | static inline void update_tv_cache(struct thread_data *td) |
| 367 | { |
| 368 | if ((++td->tv_cache_nr & td->tv_cache_mask) == td->tv_cache_mask) |
| 369 | fio_gettime(&td->tv_cache, NULL); |
| 370 | } |
| 371 | |
Jens Axboe | 858a3d4 | 2006-10-24 14:54:44 +0200 | [diff] [blame] | 372 | /* |
Jens Axboe | 34403fb | 2007-03-02 21:43:25 +0100 | [diff] [blame] | 373 | * The main verify engine. Runs over the writes we previously submitted, |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 374 | * reads the blocks back in, and checks the crc/md5 of the data. |
| 375 | */ |
Jens Axboe | 1e97cce | 2006-12-05 11:44:16 +0100 | [diff] [blame] | 376 | static void do_verify(struct thread_data *td) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 377 | { |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 378 | struct fio_file *f; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 379 | struct io_u *io_u; |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 380 | int ret, min_events; |
| 381 | unsigned int i; |
Jens Axboe | e5b401d | 2006-10-18 16:03:40 +0200 | [diff] [blame] | 382 | |
| 383 | /* |
| 384 | * sync io first and invalidate cache, to make sure we really |
| 385 | * read from disk. |
| 386 | */ |
| 387 | for_each_file(td, f, i) { |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 388 | if (!fio_file_open(f)) |
Jens Axboe | 3d7b485 | 2007-03-13 14:50:28 +0100 | [diff] [blame] | 389 | continue; |
Jens Axboe | b2fdda4 | 2007-02-20 20:52:51 +0100 | [diff] [blame] | 390 | if (fio_io_sync(td, f)) |
| 391 | break; |
| 392 | if (file_invalidate_cache(td, f)) |
| 393 | break; |
Jens Axboe | e5b401d | 2006-10-18 16:03:40 +0200 | [diff] [blame] | 394 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 395 | |
Jens Axboe | b2fdda4 | 2007-02-20 20:52:51 +0100 | [diff] [blame] | 396 | if (td->error) |
| 397 | return; |
| 398 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 399 | td_set_runstate(td, TD_VERIFYING); |
| 400 | |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 401 | io_u = NULL; |
| 402 | while (!td->terminate) { |
Jens Axboe | 4950421 | 2008-06-05 09:03:30 +0200 | [diff] [blame] | 403 | int ret2, full; |
Jens Axboe | 5451792 | 2007-03-05 10:06:06 +0100 | [diff] [blame] | 404 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 405 | io_u = __get_io_u(td); |
| 406 | if (!io_u) |
| 407 | break; |
| 408 | |
Jens Axboe | 993bf48 | 2008-11-14 13:04:53 +0100 | [diff] [blame] | 409 | update_tv_cache(td); |
| 410 | |
| 411 | if (runtime_exceeded(td, &td->tv_cache)) { |
Jens Axboe | 069c291 | 2007-02-21 23:02:39 +0100 | [diff] [blame] | 412 | put_io_u(td, io_u); |
Jens Axboe | 90a87d4 | 2007-04-18 09:02:32 +0200 | [diff] [blame] | 413 | td->terminate = 1; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 414 | break; |
Jens Axboe | 069c291 | 2007-02-21 23:02:39 +0100 | [diff] [blame] | 415 | } |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 416 | |
Jens Axboe | 069c291 | 2007-02-21 23:02:39 +0100 | [diff] [blame] | 417 | if (get_next_verify(td, io_u)) { |
| 418 | put_io_u(td, io_u); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 419 | break; |
Jens Axboe | 069c291 | 2007-02-21 23:02:39 +0100 | [diff] [blame] | 420 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 421 | |
Jens Axboe | 069c291 | 2007-02-21 23:02:39 +0100 | [diff] [blame] | 422 | if (td_io_prep(td, io_u)) { |
| 423 | put_io_u(td, io_u); |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 424 | break; |
Jens Axboe | 069c291 | 2007-02-21 23:02:39 +0100 | [diff] [blame] | 425 | } |
Jens Axboe | d7762cf | 2007-02-23 12:34:57 +0100 | [diff] [blame] | 426 | |
| 427 | io_u->end_io = verify_io_u; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 428 | |
Jens Axboe | 1178680 | 2007-03-05 18:33:22 +0100 | [diff] [blame] | 429 | ret = td_io_queue(td, io_u); |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 430 | switch (ret) { |
| 431 | case FIO_Q_COMPLETED: |
| 432 | if (io_u->error) |
Jens Axboe | 22819ec | 2007-02-18 07:47:14 +0100 | [diff] [blame] | 433 | ret = -io_u->error; |
Jens Axboe | 9e9d164 | 2007-03-12 09:37:46 +0100 | [diff] [blame] | 434 | else if (io_u->resid) { |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 435 | int bytes = io_u->xfer_buflen - io_u->resid; |
Jens Axboe | d460eb3 | 2007-04-16 21:39:33 +0200 | [diff] [blame] | 436 | struct fio_file *f = io_u->file; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 437 | |
Jens Axboe | 9e9d164 | 2007-03-12 09:37:46 +0100 | [diff] [blame] | 438 | /* |
| 439 | * zero read, fail |
| 440 | */ |
| 441 | if (!bytes) { |
Jens Axboe | 41d9f0f | 2008-06-02 12:19:50 +0200 | [diff] [blame] | 442 | td_verror(td, EIO, "full resid"); |
Jens Axboe | 9e9d164 | 2007-03-12 09:37:46 +0100 | [diff] [blame] | 443 | put_io_u(td, io_u); |
| 444 | break; |
| 445 | } |
Jens Axboe | 8400d9b | 2007-03-28 11:10:09 +0200 | [diff] [blame] | 446 | |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 447 | io_u->xfer_buflen = io_u->resid; |
| 448 | io_u->xfer_buf += bytes; |
Jens Axboe | 8400d9b | 2007-03-28 11:10:09 +0200 | [diff] [blame] | 449 | io_u->offset += bytes; |
| 450 | |
Jens Axboe | 30061b9 | 2007-04-17 13:31:34 +0200 | [diff] [blame] | 451 | td->ts.short_io_u[io_u->ddir]++; |
| 452 | |
Jens Axboe | d460eb3 | 2007-04-16 21:39:33 +0200 | [diff] [blame] | 453 | if (io_u->offset == f->real_file_size) |
Jens Axboe | 8400d9b | 2007-03-28 11:10:09 +0200 | [diff] [blame] | 454 | goto sync_done; |
| 455 | |
Jens Axboe | 1178680 | 2007-03-05 18:33:22 +0100 | [diff] [blame] | 456 | requeue_io_u(td, &io_u); |
| 457 | } else { |
Jens Axboe | 8400d9b | 2007-03-28 11:10:09 +0200 | [diff] [blame] | 458 | sync_done: |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame^] | 459 | ret = io_u_sync_complete(td, io_u, NULL); |
Jens Axboe | 1178680 | 2007-03-05 18:33:22 +0100 | [diff] [blame] | 460 | if (ret < 0) |
| 461 | break; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 462 | } |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 463 | continue; |
| 464 | case FIO_Q_QUEUED: |
| 465 | break; |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 466 | case FIO_Q_BUSY: |
| 467 | requeue_io_u(td, &io_u); |
Jens Axboe | 5451792 | 2007-03-05 10:06:06 +0100 | [diff] [blame] | 468 | ret2 = td_io_commit(td); |
| 469 | if (ret2 < 0) |
| 470 | ret = ret2; |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 471 | break; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 472 | default: |
| 473 | assert(ret < 0); |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 474 | td_verror(td, -ret, "td_io_queue"); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 475 | break; |
| 476 | } |
| 477 | |
Jens Axboe | 9978463 | 2007-02-19 10:06:17 +0100 | [diff] [blame] | 478 | if (ret < 0 || td->error) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 479 | break; |
| 480 | |
Jens Axboe | 3af6ef3 | 2007-02-18 06:57:43 +0100 | [diff] [blame] | 481 | /* |
| 482 | * if we can queue more, do so. but check if there are |
| 483 | * completed io_u's first. |
| 484 | */ |
Jens Axboe | 4950421 | 2008-06-05 09:03:30 +0200 | [diff] [blame] | 485 | full = queue_full(td) || ret == FIO_Q_BUSY; |
| 486 | if (full || !td->o.iodepth_batch_complete) { |
| 487 | min_events = td->o.iodepth_batch_complete; |
| 488 | if (full && !min_events) |
Jens Axboe | 838bc70 | 2008-05-22 13:08:23 +0200 | [diff] [blame] | 489 | min_events = 1; |
Jens Axboe | e916b39 | 2007-02-20 14:37:26 +0100 | [diff] [blame] | 490 | |
Jens Axboe | 4950421 | 2008-06-05 09:03:30 +0200 | [diff] [blame] | 491 | do { |
| 492 | /* |
| 493 | * Reap required number of io units, if any, |
| 494 | * and do the verification on them through |
| 495 | * the callback handler |
| 496 | */ |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame^] | 497 | if (io_u_queued_complete(td, min_events, NULL) < 0) { |
Jens Axboe | 4950421 | 2008-06-05 09:03:30 +0200 | [diff] [blame] | 498 | ret = -1; |
| 499 | break; |
| 500 | } |
| 501 | } while (full && (td->cur_depth > td->o.iodepth_low)); |
| 502 | } |
| 503 | if (ret < 0) |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 504 | break; |
| 505 | } |
| 506 | |
Jens Axboe | c01c039 | 2007-02-26 12:43:42 +0100 | [diff] [blame] | 507 | if (!td->error) { |
| 508 | min_events = td->cur_depth; |
| 509 | |
| 510 | if (min_events) |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame^] | 511 | ret = io_u_queued_complete(td, min_events, NULL); |
Jens Axboe | c01c039 | 2007-02-26 12:43:42 +0100 | [diff] [blame] | 512 | } else |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 513 | cleanup_pending_aio(td); |
| 514 | |
| 515 | td_set_runstate(td, TD_RUNNING); |
| 516 | } |
| 517 | |
Jens Axboe | 32cd46a | 2006-06-07 13:40:40 +0200 | [diff] [blame] | 518 | /* |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 519 | * 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] | 520 | * and reaps them, checking for rate and errors along the way. |
| 521 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 522 | static void do_io(struct thread_data *td) |
| 523 | { |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 524 | unsigned int i; |
| 525 | int ret = 0; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 526 | |
Jens Axboe | b29ee5b | 2008-09-11 10:17:26 +0200 | [diff] [blame] | 527 | if (in_ramp_time(td)) |
| 528 | td_set_runstate(td, TD_RAMP); |
| 529 | else |
| 530 | td_set_runstate(td, TD_RUNNING); |
Jens Axboe | 5853e5a | 2006-06-08 14:41:05 +0200 | [diff] [blame] | 531 | |
Jens Axboe | 7bb48f8 | 2007-03-27 15:30:28 +0200 | [diff] [blame] | 532 | 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] | 533 | struct timeval comp_time; |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame^] | 534 | unsigned long bytes_done[2] = { 0, 0 }; |
Jens Axboe | 8458500 | 2006-10-19 20:26:22 +0200 | [diff] [blame] | 535 | int min_evts = 0; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 536 | struct io_u *io_u; |
Jens Axboe | 4950421 | 2008-06-05 09:03:30 +0200 | [diff] [blame] | 537 | int ret2, full; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 538 | |
| 539 | if (td->terminate) |
| 540 | break; |
| 541 | |
Jens Axboe | 3d7c391 | 2007-02-19 13:16:12 +0100 | [diff] [blame] | 542 | io_u = get_io_u(td); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 543 | if (!io_u) |
| 544 | break; |
| 545 | |
Jens Axboe | 993bf48 | 2008-11-14 13:04:53 +0100 | [diff] [blame] | 546 | update_tv_cache(td); |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 547 | |
Jens Axboe | 993bf48 | 2008-11-14 13:04:53 +0100 | [diff] [blame] | 548 | if (runtime_exceeded(td, &td->tv_cache)) { |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 549 | put_io_u(td, io_u); |
Jens Axboe | 90a87d4 | 2007-04-18 09:02:32 +0200 | [diff] [blame] | 550 | td->terminate = 1; |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 551 | break; |
| 552 | } |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 553 | |
Jens Axboe | b67740d | 2007-07-26 12:22:30 +0200 | [diff] [blame] | 554 | /* |
| 555 | * Add verification end_io handler, if asked to verify |
| 556 | * a previously written file. |
| 557 | */ |
Jens Axboe | cc3fc85 | 2008-03-06 11:47:53 +0100 | [diff] [blame] | 558 | if (td->o.verify != VERIFY_NONE && io_u->ddir == DDIR_READ) { |
Jens Axboe | b67740d | 2007-07-26 12:22:30 +0200 | [diff] [blame] | 559 | io_u->end_io = verify_io_u; |
Jens Axboe | d8fab1b | 2008-03-06 10:25:17 +0100 | [diff] [blame] | 560 | td_set_runstate(td, TD_VERIFYING); |
Jens Axboe | b29ee5b | 2008-09-11 10:17:26 +0200 | [diff] [blame] | 561 | } else if (in_ramp_time(td)) |
| 562 | td_set_runstate(td, TD_RAMP); |
| 563 | else |
Jens Axboe | d8fab1b | 2008-03-06 10:25:17 +0100 | [diff] [blame] | 564 | td_set_runstate(td, TD_RUNNING); |
Jens Axboe | b67740d | 2007-07-26 12:22:30 +0200 | [diff] [blame] | 565 | |
Jens Axboe | 1178680 | 2007-03-05 18:33:22 +0100 | [diff] [blame] | 566 | ret = td_io_queue(td, io_u); |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 567 | switch (ret) { |
| 568 | case FIO_Q_COMPLETED: |
Jens Axboe | 5451792 | 2007-03-05 10:06:06 +0100 | [diff] [blame] | 569 | if (io_u->error) |
| 570 | ret = -io_u->error; |
Jens Axboe | 9e9d164 | 2007-03-12 09:37:46 +0100 | [diff] [blame] | 571 | else if (io_u->resid) { |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 572 | int bytes = io_u->xfer_buflen - io_u->resid; |
Jens Axboe | d460eb3 | 2007-04-16 21:39:33 +0200 | [diff] [blame] | 573 | struct fio_file *f = io_u->file; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 574 | |
Jens Axboe | 9e9d164 | 2007-03-12 09:37:46 +0100 | [diff] [blame] | 575 | /* |
| 576 | * zero read, fail |
| 577 | */ |
| 578 | if (!bytes) { |
Jens Axboe | 41d9f0f | 2008-06-02 12:19:50 +0200 | [diff] [blame] | 579 | td_verror(td, EIO, "full resid"); |
Jens Axboe | 9e9d164 | 2007-03-12 09:37:46 +0100 | [diff] [blame] | 580 | put_io_u(td, io_u); |
| 581 | break; |
| 582 | } |
| 583 | |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 584 | io_u->xfer_buflen = io_u->resid; |
| 585 | io_u->xfer_buf += bytes; |
Jens Axboe | 5a7c568 | 2007-03-28 11:07:20 +0200 | [diff] [blame] | 586 | io_u->offset += bytes; |
| 587 | |
Jens Axboe | 30061b9 | 2007-04-17 13:31:34 +0200 | [diff] [blame] | 588 | td->ts.short_io_u[io_u->ddir]++; |
| 589 | |
Jens Axboe | d460eb3 | 2007-04-16 21:39:33 +0200 | [diff] [blame] | 590 | if (io_u->offset == f->real_file_size) |
Jens Axboe | 5a7c568 | 2007-03-28 11:07:20 +0200 | [diff] [blame] | 591 | goto sync_done; |
| 592 | |
Jens Axboe | 1178680 | 2007-03-05 18:33:22 +0100 | [diff] [blame] | 593 | requeue_io_u(td, &io_u); |
| 594 | } else { |
Jens Axboe | 5a7c568 | 2007-03-28 11:07:20 +0200 | [diff] [blame] | 595 | sync_done: |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame^] | 596 | if (__should_check_rate(td, 0) || |
| 597 | __should_check_rate(td, 1)) |
Jens Axboe | 993bf48 | 2008-11-14 13:04:53 +0100 | [diff] [blame] | 598 | fio_gettime(&comp_time, NULL); |
| 599 | |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame^] | 600 | ret = io_u_sync_complete(td, io_u, bytes_done); |
| 601 | if (ret < 0) |
| 602 | break; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 603 | } |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 604 | break; |
| 605 | case FIO_Q_QUEUED: |
Jens Axboe | 7e77dd0 | 2007-02-20 10:57:34 +0100 | [diff] [blame] | 606 | /* |
| 607 | * if the engine doesn't have a commit hook, |
| 608 | * the io_u is really queued. if it does have such |
| 609 | * a hook, it has to call io_u_queued() itself. |
| 610 | */ |
| 611 | if (td->io_ops->commit == NULL) |
| 612 | io_u_queued(td, io_u); |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 613 | break; |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 614 | case FIO_Q_BUSY: |
| 615 | requeue_io_u(td, &io_u); |
Jens Axboe | 5451792 | 2007-03-05 10:06:06 +0100 | [diff] [blame] | 616 | ret2 = td_io_commit(td); |
| 617 | if (ret2 < 0) |
| 618 | ret = ret2; |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 619 | break; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 620 | default: |
| 621 | assert(ret < 0); |
| 622 | put_io_u(td, io_u); |
| 623 | break; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 624 | } |
| 625 | |
Jens Axboe | 9978463 | 2007-02-19 10:06:17 +0100 | [diff] [blame] | 626 | if (ret < 0 || td->error) |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 627 | break; |
| 628 | |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 629 | /* |
| 630 | * See if we need to complete some commands |
| 631 | */ |
Jens Axboe | 4950421 | 2008-06-05 09:03:30 +0200 | [diff] [blame] | 632 | full = queue_full(td) || ret == FIO_Q_BUSY; |
| 633 | if (full || !td->o.iodepth_batch_complete) { |
| 634 | min_evts = td->o.iodepth_batch_complete; |
| 635 | if (full && !min_evts) |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 636 | min_evts = 1; |
Jens Axboe | 4950421 | 2008-06-05 09:03:30 +0200 | [diff] [blame] | 637 | |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame^] | 638 | if (__should_check_rate(td, 0) || |
| 639 | __should_check_rate(td, 1)) |
Jens Axboe | 993bf48 | 2008-11-14 13:04:53 +0100 | [diff] [blame] | 640 | fio_gettime(&comp_time, NULL); |
Jens Axboe | 4950421 | 2008-06-05 09:03:30 +0200 | [diff] [blame] | 641 | |
| 642 | do { |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame^] | 643 | ret = io_u_queued_complete(td, min_evts, bytes_done); |
| 644 | if (ret < 0) |
Jens Axboe | 4950421 | 2008-06-05 09:03:30 +0200 | [diff] [blame] | 645 | break; |
| 646 | |
Jens Axboe | 4950421 | 2008-06-05 09:03:30 +0200 | [diff] [blame] | 647 | } while (full && (td->cur_depth > td->o.iodepth_low)); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 648 | } |
| 649 | |
Jens Axboe | 4950421 | 2008-06-05 09:03:30 +0200 | [diff] [blame] | 650 | if (ret < 0) |
| 651 | break; |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame^] | 652 | if (!(bytes_done[0] + bytes_done[1])) |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 653 | continue; |
| 654 | |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame^] | 655 | if (!in_ramp_time(td) && should_check_rate(td, bytes_done)) { |
| 656 | if (check_min_rate(td, &comp_time, bytes_done)) { |
Jens Axboe | 721938a | 2008-09-10 09:46:16 +0200 | [diff] [blame] | 657 | if (exitall_on_terminate) |
| 658 | terminate_threads(td->groupid); |
| 659 | td_verror(td, EIO, "check_min_rate"); |
| 660 | break; |
| 661 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 662 | } |
| 663 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 664 | if (td->o.thinktime) { |
Jens Axboe | 9c1f743 | 2007-01-03 20:43:19 +0100 | [diff] [blame] | 665 | unsigned long long b; |
| 666 | |
| 667 | b = td->io_blocks[0] + td->io_blocks[1]; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 668 | if (!(b % td->o.thinktime_blocks)) { |
Jens Axboe | 48097d5 | 2007-02-17 06:30:44 +0100 | [diff] [blame] | 669 | int left; |
| 670 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 671 | if (td->o.thinktime_spin) |
Jens Axboe | 6dd6f2c | 2008-12-10 13:24:12 +0100 | [diff] [blame] | 672 | usec_spin(td->o.thinktime_spin); |
Jens Axboe | 48097d5 | 2007-02-17 06:30:44 +0100 | [diff] [blame] | 673 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 674 | left = td->o.thinktime - td->o.thinktime_spin; |
Jens Axboe | 48097d5 | 2007-02-17 06:30:44 +0100 | [diff] [blame] | 675 | if (left) |
| 676 | usec_sleep(td, left); |
| 677 | } |
Jens Axboe | 9c1f743 | 2007-01-03 20:43:19 +0100 | [diff] [blame] | 678 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 679 | } |
| 680 | |
Shawn Lewis | aa31f1f | 2008-01-11 09:45:11 +0100 | [diff] [blame] | 681 | if (td->o.fill_device && td->error == ENOSPC) { |
| 682 | td->error = 0; |
| 683 | td->terminate = 1; |
| 684 | } |
Jens Axboe | 4d2413c | 2006-11-23 11:58:59 +0100 | [diff] [blame] | 685 | if (!td->error) { |
Jens Axboe | 3d7c391 | 2007-02-19 13:16:12 +0100 | [diff] [blame] | 686 | struct fio_file *f; |
| 687 | |
Jens Axboe | c01c039 | 2007-02-26 12:43:42 +0100 | [diff] [blame] | 688 | i = td->cur_depth; |
| 689 | if (i) |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame^] | 690 | ret = io_u_queued_complete(td, i, NULL); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 691 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 692 | if (should_fsync(td) && td->o.end_fsync) { |
Jens Axboe | 8458500 | 2006-10-19 20:26:22 +0200 | [diff] [blame] | 693 | td_set_runstate(td, TD_FSYNCING); |
Jens Axboe | 3d7b485 | 2007-03-13 14:50:28 +0100 | [diff] [blame] | 694 | |
| 695 | for_each_file(td, f, i) { |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 696 | if (!fio_file_open(f)) |
Jens Axboe | 3d7b485 | 2007-03-13 14:50:28 +0100 | [diff] [blame] | 697 | continue; |
Jens Axboe | 858a3d4 | 2006-10-24 14:54:44 +0200 | [diff] [blame] | 698 | fio_io_sync(td, f); |
Jens Axboe | 3d7b485 | 2007-03-13 14:50:28 +0100 | [diff] [blame] | 699 | } |
Jens Axboe | 8458500 | 2006-10-19 20:26:22 +0200 | [diff] [blame] | 700 | } |
Jens Axboe | c01c039 | 2007-02-26 12:43:42 +0100 | [diff] [blame] | 701 | } else |
| 702 | cleanup_pending_aio(td); |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 703 | |
| 704 | /* |
| 705 | * stop job if we failed doing any IO |
| 706 | */ |
| 707 | if ((td->this_io_bytes[0] + td->this_io_bytes[1]) == 0) |
| 708 | td->done = 1; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 709 | } |
| 710 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 711 | static void cleanup_io_u(struct thread_data *td) |
| 712 | { |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 713 | struct flist_head *entry, *n; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 714 | struct io_u *io_u; |
| 715 | |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 716 | flist_for_each_safe(entry, n, &td->io_u_freelist) { |
| 717 | io_u = flist_entry(entry, struct io_u, list); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 718 | |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 719 | flist_del(&io_u->list); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 720 | free(io_u); |
| 721 | } |
| 722 | |
Jens Axboe | 2f9ade3 | 2006-10-20 11:25:52 +0200 | [diff] [blame] | 723 | free_io_mem(td); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 724 | } |
| 725 | |
| 726 | static int init_io_u(struct thread_data *td) |
| 727 | { |
| 728 | struct io_u *io_u; |
Jens Axboe | a00735e | 2006-11-03 08:58:08 +0100 | [diff] [blame] | 729 | unsigned int max_bs; |
Jens Axboe | eb7ccf3 | 2009-04-29 09:48:04 +0200 | [diff] [blame] | 730 | int cl_align, i, max_units; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 731 | char *p; |
| 732 | |
Jens Axboe | 1e3c09a | 2008-02-04 10:48:13 +0100 | [diff] [blame] | 733 | max_units = td->o.iodepth; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 734 | 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] | 735 | td->orig_buffer_size = (unsigned long long) max_bs |
| 736 | * (unsigned long long) max_units; |
Jens Axboe | 74b025b | 2006-12-19 15:18:14 +0100 | [diff] [blame] | 737 | |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 738 | if (td->o.mem_type == MEM_SHMHUGE || td->o.mem_type == MEM_MMAPHUGE) { |
| 739 | unsigned long bs; |
| 740 | |
| 741 | bs = td->orig_buffer_size + td->o.hugepage_size - 1; |
| 742 | td->orig_buffer_size = bs & ~(td->o.hugepage_size - 1); |
| 743 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 744 | |
Jens Axboe | c399064 | 2007-07-19 10:17:09 +0200 | [diff] [blame] | 745 | if (td->orig_buffer_size != (size_t) td->orig_buffer_size) { |
| 746 | log_err("fio: IO memory too large. Reduce max_bs or iodepth\n"); |
| 747 | return 1; |
| 748 | } |
| 749 | |
Jens Axboe | 2f9ade3 | 2006-10-20 11:25:52 +0200 | [diff] [blame] | 750 | if (allocate_io_mem(td)) |
| 751 | return 1; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 752 | |
Jens Axboe | b3f378e | 2007-07-20 12:39:22 +0200 | [diff] [blame] | 753 | if (td->o.odirect) |
| 754 | p = ALIGN(td->orig_buffer); |
| 755 | else |
| 756 | p = td->orig_buffer; |
| 757 | |
Jens Axboe | eb7ccf3 | 2009-04-29 09:48:04 +0200 | [diff] [blame] | 758 | cl_align = os_cache_line_size(); |
| 759 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 760 | for (i = 0; i < max_units; i++) { |
Jens Axboe | eb7ccf3 | 2009-04-29 09:48:04 +0200 | [diff] [blame] | 761 | void *ptr; |
| 762 | |
Jens Axboe | db1cd90 | 2007-04-26 13:47:07 +0200 | [diff] [blame] | 763 | if (td->terminate) |
| 764 | return 1; |
Jens Axboe | eb7ccf3 | 2009-04-29 09:48:04 +0200 | [diff] [blame] | 765 | |
| 766 | if (posix_memalign(&ptr, cl_align, sizeof(*io_u))) { |
| 767 | log_err("fio: posix_memalign=%s\n", strerror(errno)); |
| 768 | break; |
| 769 | } |
| 770 | |
| 771 | io_u = ptr; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 772 | memset(io_u, 0, sizeof(*io_u)); |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 773 | INIT_FLIST_HEAD(&io_u->list); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 774 | |
Jens Axboe | b4c5e1a | 2007-10-25 18:44:45 +0200 | [diff] [blame] | 775 | if (!(td->io_ops->flags & FIO_NOIO)) { |
| 776 | io_u->buf = p + max_bs * i; |
Jens Axboe | e9459e5 | 2007-04-17 15:46:32 +0200 | [diff] [blame] | 777 | |
Jens Axboe | 5973caf | 2008-05-21 19:52:35 +0200 | [diff] [blame] | 778 | if (td_write(td) && !td->o.refill_buffers) |
| 779 | io_u_fill_buffer(td, io_u, max_bs); |
Jens Axboe | b4c5e1a | 2007-10-25 18:44:45 +0200 | [diff] [blame] | 780 | } |
Jens Axboe | 6b9cea2 | 2006-10-30 17:00:24 +0100 | [diff] [blame] | 781 | |
Jens Axboe | b1ff340 | 2006-02-17 11:35:58 +0100 | [diff] [blame] | 782 | io_u->index = i; |
Jens Axboe | 0c6e751 | 2007-02-22 11:19:39 +0100 | [diff] [blame] | 783 | io_u->flags = IO_U_F_FREE; |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 784 | flist_add(&io_u->list, &td->io_u_freelist); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 785 | } |
| 786 | |
| 787 | return 0; |
| 788 | } |
| 789 | |
Jens Axboe | da86774 | 2006-06-06 10:39:10 -0700 | [diff] [blame] | 790 | static int switch_ioscheduler(struct thread_data *td) |
| 791 | { |
| 792 | char tmp[256], tmp2[128]; |
| 793 | FILE *f; |
| 794 | int ret; |
| 795 | |
Jens Axboe | ba0fbe1 | 2007-03-09 14:34:23 +0100 | [diff] [blame] | 796 | if (td->io_ops->flags & FIO_DISKLESSIO) |
Jens Axboe | f48b467 | 2006-10-27 11:30:07 +0200 | [diff] [blame] | 797 | return 0; |
| 798 | |
Jens Axboe | da86774 | 2006-06-06 10:39:10 -0700 | [diff] [blame] | 799 | sprintf(tmp, "%s/queue/scheduler", td->sysfs_root); |
| 800 | |
| 801 | f = fopen(tmp, "r+"); |
| 802 | if (!f) { |
Jens Axboe | cbf5c1d | 2007-04-16 12:56:00 +0200 | [diff] [blame] | 803 | if (errno == ENOENT) { |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 804 | log_err("fio: os or kernel doesn't support IO scheduler" |
| 805 | " switching\n"); |
Jens Axboe | cbf5c1d | 2007-04-16 12:56:00 +0200 | [diff] [blame] | 806 | return 0; |
| 807 | } |
| 808 | td_verror(td, errno, "fopen iosched"); |
Jens Axboe | da86774 | 2006-06-06 10:39:10 -0700 | [diff] [blame] | 809 | return 1; |
| 810 | } |
| 811 | |
| 812 | /* |
| 813 | * Set io scheduler. |
| 814 | */ |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 815 | ret = fwrite(td->o.ioscheduler, strlen(td->o.ioscheduler), 1, f); |
Jens Axboe | da86774 | 2006-06-06 10:39:10 -0700 | [diff] [blame] | 816 | if (ferror(f) || ret != 1) { |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 817 | td_verror(td, errno, "fwrite"); |
Jens Axboe | da86774 | 2006-06-06 10:39:10 -0700 | [diff] [blame] | 818 | fclose(f); |
| 819 | return 1; |
| 820 | } |
| 821 | |
| 822 | rewind(f); |
| 823 | |
| 824 | /* |
| 825 | * Read back and check that the selected scheduler is now the default. |
| 826 | */ |
| 827 | ret = fread(tmp, 1, sizeof(tmp), f); |
| 828 | if (ferror(f) || ret < 0) { |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 829 | td_verror(td, errno, "fread"); |
Jens Axboe | da86774 | 2006-06-06 10:39:10 -0700 | [diff] [blame] | 830 | fclose(f); |
| 831 | return 1; |
| 832 | } |
| 833 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 834 | sprintf(tmp2, "[%s]", td->o.ioscheduler); |
Jens Axboe | da86774 | 2006-06-06 10:39:10 -0700 | [diff] [blame] | 835 | if (!strstr(tmp, tmp2)) { |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 836 | log_err("fio: io scheduler %s not found\n", td->o.ioscheduler); |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 837 | td_verror(td, EINVAL, "iosched_switch"); |
Jens Axboe | da86774 | 2006-06-06 10:39:10 -0700 | [diff] [blame] | 838 | fclose(f); |
| 839 | return 1; |
| 840 | } |
| 841 | |
| 842 | fclose(f); |
| 843 | return 0; |
| 844 | } |
| 845 | |
Jens Axboe | 492158c | 2007-05-24 10:32:47 +0200 | [diff] [blame] | 846 | static int keep_running(struct thread_data *td) |
| 847 | { |
| 848 | unsigned long long io_done; |
| 849 | |
Jens Axboe | 20e354e | 2007-07-23 14:36:16 +0200 | [diff] [blame] | 850 | if (td->done) |
| 851 | return 0; |
Jens Axboe | 492158c | 2007-05-24 10:32:47 +0200 | [diff] [blame] | 852 | if (td->o.time_based) |
| 853 | return 1; |
| 854 | if (td->o.loops) { |
| 855 | td->o.loops--; |
| 856 | return 1; |
| 857 | } |
| 858 | |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 859 | io_done = td->io_bytes[DDIR_READ] + td->io_bytes[DDIR_WRITE] |
| 860 | + td->io_skip_bytes; |
Jens Axboe | 492158c | 2007-05-24 10:32:47 +0200 | [diff] [blame] | 861 | if (io_done < td->o.size) |
| 862 | return 1; |
| 863 | |
| 864 | return 0; |
| 865 | } |
| 866 | |
Jens Axboe | b29ee5b | 2008-09-11 10:17:26 +0200 | [diff] [blame] | 867 | static void reset_io_counters(struct thread_data *td) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 868 | { |
Jens Axboe | 756867b | 2007-03-06 15:19:24 +0100 | [diff] [blame] | 869 | 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] | 870 | td->this_io_bytes[0] = td->this_io_bytes[1] = 0; |
Jens Axboe | 20dc95c | 2005-12-09 10:29:35 +0100 | [diff] [blame] | 871 | td->zone_bytes = 0; |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame^] | 872 | td->rate_bytes[0] = td->rate_bytes[1] = 0; |
| 873 | td->rate_blocks[0] = td->rate_blocks[1] = 0; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 874 | |
Jens Axboe | c1324df | 2007-02-19 19:06:41 +0100 | [diff] [blame] | 875 | td->last_was_sync = 0; |
| 876 | |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 877 | /* |
| 878 | * reset file done count if we are to start over |
| 879 | */ |
| 880 | if (td->o.time_based || td->o.loops) |
Jens Axboe | 48f5abd | 2007-07-20 13:25:04 +0200 | [diff] [blame] | 881 | td->nr_done_files = 0; |
Jens Axboe | 5bfc35d | 2009-04-07 13:28:12 +0200 | [diff] [blame] | 882 | |
| 883 | /* |
| 884 | * Set the same seed to get repeatable runs |
| 885 | */ |
| 886 | td_fill_rand_seeds(td); |
Jens Axboe | b29ee5b | 2008-09-11 10:17:26 +0200 | [diff] [blame] | 887 | } |
| 888 | |
| 889 | void reset_all_stats(struct thread_data *td) |
| 890 | { |
| 891 | struct timeval tv; |
| 892 | int i; |
| 893 | |
| 894 | reset_io_counters(td); |
| 895 | |
| 896 | for (i = 0; i < 2; i++) { |
| 897 | td->io_bytes[i] = 0; |
| 898 | td->io_blocks[i] = 0; |
| 899 | td->io_issues[i] = 0; |
| 900 | td->ts.total_io_u[i] = 0; |
| 901 | } |
| 902 | |
| 903 | fio_gettime(&tv, NULL); |
| 904 | memcpy(&td->epoch, &tv, sizeof(tv)); |
| 905 | memcpy(&td->start, &tv, sizeof(tv)); |
| 906 | } |
| 907 | |
Jens Axboe | df9c26b | 2009-03-05 10:13:58 +0100 | [diff] [blame] | 908 | static void clear_io_state(struct thread_data *td) |
Jens Axboe | b29ee5b | 2008-09-11 10:17:26 +0200 | [diff] [blame] | 909 | { |
| 910 | struct fio_file *f; |
| 911 | unsigned int i; |
Jens Axboe | b29ee5b | 2008-09-11 10:17:26 +0200 | [diff] [blame] | 912 | |
| 913 | reset_io_counters(td); |
Jens Axboe | 281f9b6 | 2007-05-23 09:34:42 +0200 | [diff] [blame] | 914 | |
Jens Axboe | 24ffd2c | 2008-03-01 15:47:08 +0100 | [diff] [blame] | 915 | close_files(td); |
Jens Axboe | df9c26b | 2009-03-05 10:13:58 +0100 | [diff] [blame] | 916 | for_each_file(td, f, i) |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 917 | fio_file_clear_done(f); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 918 | } |
| 919 | |
Jens Axboe | 398e8c4 | 2009-05-20 12:10:02 +0200 | [diff] [blame] | 920 | static int exec_string(const char *string) |
| 921 | { |
| 922 | int ret, newlen = strlen(string) + 1 + 8; |
| 923 | char *str; |
| 924 | |
| 925 | str = malloc(newlen); |
| 926 | sprintf(str, "sh -c %s", string); |
| 927 | |
| 928 | ret = system(str); |
| 929 | if (ret == -1) |
| 930 | log_err("fio: exec of cmd <%s> failed\n", str); |
| 931 | |
| 932 | free(str); |
| 933 | return ret; |
| 934 | } |
| 935 | |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 936 | /* |
| 937 | * Entry point for the thread based jobs. The process based jobs end up |
| 938 | * here as well, after a little setup. |
| 939 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 940 | static void *thread_main(void *data) |
| 941 | { |
Shawn Lewis | 1092731 | 2007-11-21 09:38:13 +0100 | [diff] [blame] | 942 | unsigned long long runtime[2], elapsed; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 943 | struct thread_data *td = data; |
Jens Axboe | a978ba6 | 2007-03-08 14:29:03 +0100 | [diff] [blame] | 944 | int clear_state; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 945 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 946 | if (!td->o.use_thread) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 947 | setsid(); |
| 948 | |
| 949 | td->pid = getpid(); |
| 950 | |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 951 | dprint(FD_PROCESS, "jobs pid=%d started\n", (int) td->pid); |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 952 | |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 953 | INIT_FLIST_HEAD(&td->io_u_freelist); |
| 954 | INIT_FLIST_HEAD(&td->io_u_busylist); |
| 955 | INIT_FLIST_HEAD(&td->io_u_requeues); |
| 956 | INIT_FLIST_HEAD(&td->io_log_list); |
| 957 | INIT_FLIST_HEAD(&td->io_hist_list); |
Jens Axboe | bb5d7d0 | 2007-03-27 10:21:25 +0200 | [diff] [blame] | 958 | td->io_hist_tree = RB_ROOT; |
Jens Axboe | aea47d4 | 2006-05-26 19:27:29 +0200 | [diff] [blame] | 959 | |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 960 | td_set_runstate(td, TD_INITIALIZED); |
Jens Axboe | 29adda3 | 2009-01-05 19:06:39 +0100 | [diff] [blame] | 961 | dprint(FD_MUTEX, "up startup_mutex\n"); |
Jens Axboe | cdd18ad | 2008-02-27 18:58:00 +0100 | [diff] [blame] | 962 | fio_mutex_up(startup_mutex); |
Jens Axboe | 29adda3 | 2009-01-05 19:06:39 +0100 | [diff] [blame] | 963 | dprint(FD_MUTEX, "wait on td->mutex\n"); |
Jens Axboe | cdd18ad | 2008-02-27 18:58:00 +0100 | [diff] [blame] | 964 | fio_mutex_down(td->mutex); |
Jens Axboe | 29adda3 | 2009-01-05 19:06:39 +0100 | [diff] [blame] | 965 | dprint(FD_MUTEX, "done waiting on td->mutex\n"); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 966 | |
Jens Axboe | 37f5687 | 2007-03-09 12:42:35 +0100 | [diff] [blame] | 967 | /* |
Jens Axboe | cdd18ad | 2008-02-27 18:58:00 +0100 | [diff] [blame] | 968 | * the ->mutex mutex is now no longer used, close it to avoid |
Jens Axboe | 37f5687 | 2007-03-09 12:42:35 +0100 | [diff] [blame] | 969 | * eating a file descriptor |
| 970 | */ |
Jens Axboe | cdd18ad | 2008-02-27 18:58:00 +0100 | [diff] [blame] | 971 | fio_mutex_remove(td->mutex); |
Jens Axboe | 37f5687 | 2007-03-09 12:42:35 +0100 | [diff] [blame] | 972 | |
Jens Axboe | d84f8d4 | 2007-05-16 08:47:46 +0200 | [diff] [blame] | 973 | /* |
| 974 | * May alter parameters that init_io_u() will use, so we need to |
| 975 | * do this first. |
| 976 | */ |
| 977 | if (init_iolog(td)) |
| 978 | goto err; |
| 979 | |
Jens Axboe | db1cd90 | 2007-04-26 13:47:07 +0200 | [diff] [blame] | 980 | if (init_io_u(td)) |
| 981 | goto err; |
| 982 | |
Jens Axboe | 375b269 | 2007-05-22 09:13:02 +0200 | [diff] [blame] | 983 | if (td->o.cpumask_set && fio_setaffinity(td) == -1) { |
Jens Axboe | db1cd90 | 2007-04-26 13:47:07 +0200 | [diff] [blame] | 984 | td_verror(td, errno, "cpu_set_affinity"); |
| 985 | goto err; |
| 986 | } |
| 987 | |
Jens Axboe | f484470 | 2008-12-09 08:04:29 +0100 | [diff] [blame] | 988 | /* |
| 989 | * If we have a gettimeofday() thread, make sure we exclude that |
| 990 | * thread from this job |
| 991 | */ |
Jens Axboe | be4ecfd | 2008-12-08 14:10:52 +0100 | [diff] [blame] | 992 | if (td->o.gtod_cpu) { |
Jens Axboe | be4ecfd | 2008-12-08 14:10:52 +0100 | [diff] [blame] | 993 | fio_cpu_clear(&td->o.cpumask, td->o.gtod_cpu); |
| 994 | if (fio_setaffinity(td) == -1) { |
| 995 | td_verror(td, errno, "cpu_set_affinity"); |
| 996 | goto err; |
| 997 | } |
| 998 | } |
| 999 | |
Jens Axboe | ac68478 | 2007-11-08 08:29:07 +0100 | [diff] [blame] | 1000 | if (td->ioprio_set) { |
Jens Axboe | db1cd90 | 2007-04-26 13:47:07 +0200 | [diff] [blame] | 1001 | if (ioprio_set(IOPRIO_WHO_PROCESS, 0, td->ioprio) == -1) { |
| 1002 | td_verror(td, errno, "ioprio_set"); |
| 1003 | goto err; |
| 1004 | } |
| 1005 | } |
| 1006 | |
| 1007 | if (nice(td->o.nice) == -1) { |
| 1008 | td_verror(td, errno, "nice"); |
| 1009 | goto err; |
| 1010 | } |
| 1011 | |
| 1012 | if (td->o.ioscheduler && switch_ioscheduler(td)) |
| 1013 | goto err; |
| 1014 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 1015 | if (!td->o.create_serialize && setup_files(td)) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1016 | goto err; |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 1017 | |
| 1018 | if (td_io_init(td)) |
Jens Axboe | 21972cd | 2006-11-23 12:39:16 +0100 | [diff] [blame] | 1019 | goto err; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1020 | |
Jens Axboe | 6872707 | 2007-03-15 20:49:25 +0100 | [diff] [blame] | 1021 | if (init_random_map(td)) |
| 1022 | goto err; |
| 1023 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 1024 | if (td->o.exec_prerun) { |
Jens Axboe | 398e8c4 | 2009-05-20 12:10:02 +0200 | [diff] [blame] | 1025 | if (exec_string(td->o.exec_prerun)) |
Jens Axboe | 69cfd7e | 2007-02-07 13:58:53 +0100 | [diff] [blame] | 1026 | goto err; |
| 1027 | } |
Jens Axboe | 4e0ba8a | 2006-06-06 09:36:28 +0200 | [diff] [blame] | 1028 | |
Zhang, Yanmin | afad68f | 2009-05-20 11:30:55 +0200 | [diff] [blame] | 1029 | if (td->o.pre_read) { |
| 1030 | if (pre_read_files(td) < 0) |
| 1031 | goto err; |
| 1032 | } |
| 1033 | |
Jens Axboe | 6900899 | 2006-11-24 13:12:56 +0100 | [diff] [blame] | 1034 | fio_gettime(&td->epoch, NULL); |
Jens Axboe | 756867b | 2007-03-06 15:19:24 +0100 | [diff] [blame] | 1035 | getrusage(RUSAGE_SELF, &td->ts.ru_start); |
Jens Axboe | 6900899 | 2006-11-24 13:12:56 +0100 | [diff] [blame] | 1036 | |
| 1037 | runtime[0] = runtime[1] = 0; |
Jens Axboe | a978ba6 | 2007-03-08 14:29:03 +0100 | [diff] [blame] | 1038 | clear_state = 0; |
Jens Axboe | 492158c | 2007-05-24 10:32:47 +0200 | [diff] [blame] | 1039 | while (keep_running(td)) { |
Jens Axboe | 02bcaa8 | 2006-11-24 10:42:00 +0100 | [diff] [blame] | 1040 | fio_gettime(&td->start, NULL); |
Jens Axboe | 756867b | 2007-03-06 15:19:24 +0100 | [diff] [blame] | 1041 | memcpy(&td->ts.stat_sample_time, &td->start, sizeof(td->start)); |
Jens Axboe | 993bf48 | 2008-11-14 13:04:53 +0100 | [diff] [blame] | 1042 | memcpy(&td->tv_cache, &td->start, sizeof(td->start)); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1043 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 1044 | if (td->o.ratemin) |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 1045 | memcpy(&td->lastrate, &td->ts.stat_sample_time, |
| 1046 | sizeof(td->lastrate)); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1047 | |
Jens Axboe | df9c26b | 2009-03-05 10:13:58 +0100 | [diff] [blame] | 1048 | if (clear_state) |
| 1049 | clear_io_state(td); |
Jens Axboe | a978ba6 | 2007-03-08 14:29:03 +0100 | [diff] [blame] | 1050 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1051 | prune_io_piece_log(td); |
| 1052 | |
Jens Axboe | ba0fbe1 | 2007-03-09 14:34:23 +0100 | [diff] [blame] | 1053 | do_io(td); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1054 | |
Jens Axboe | a978ba6 | 2007-03-08 14:29:03 +0100 | [diff] [blame] | 1055 | clear_state = 1; |
| 1056 | |
Jens Axboe | 38d77ca | 2007-03-21 14:20:20 +0100 | [diff] [blame] | 1057 | if (td_read(td) && td->io_bytes[DDIR_READ]) { |
Jens Axboe | 0a4957c | 2009-06-03 10:30:33 +0200 | [diff] [blame] | 1058 | elapsed = utime_since_now(&td->start); |
Jens Axboe | 38d77ca | 2007-03-21 14:20:20 +0100 | [diff] [blame] | 1059 | runtime[DDIR_READ] += elapsed; |
| 1060 | } |
| 1061 | if (td_write(td) && td->io_bytes[DDIR_WRITE]) { |
Jens Axboe | 0a4957c | 2009-06-03 10:30:33 +0200 | [diff] [blame] | 1062 | elapsed = utime_since_now(&td->start); |
Jens Axboe | 38d77ca | 2007-03-21 14:20:20 +0100 | [diff] [blame] | 1063 | runtime[DDIR_WRITE] += elapsed; |
| 1064 | } |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 1065 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1066 | if (td->error || td->terminate) |
| 1067 | break; |
| 1068 | |
Shawn Lewis | e84c73a | 2007-08-02 22:19:32 +0200 | [diff] [blame] | 1069 | if (!td->o.do_verify || |
| 1070 | td->o.verify == VERIFY_NONE || |
Jens Axboe | b67740d | 2007-07-26 12:22:30 +0200 | [diff] [blame] | 1071 | (td->io_ops->flags & FIO_UNIDIR)) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1072 | continue; |
| 1073 | |
Jens Axboe | df9c26b | 2009-03-05 10:13:58 +0100 | [diff] [blame] | 1074 | clear_io_state(td); |
Jens Axboe | a978ba6 | 2007-03-08 14:29:03 +0100 | [diff] [blame] | 1075 | |
Jens Axboe | 02bcaa8 | 2006-11-24 10:42:00 +0100 | [diff] [blame] | 1076 | fio_gettime(&td->start, NULL); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1077 | |
| 1078 | do_verify(td); |
| 1079 | |
Jens Axboe | 6900899 | 2006-11-24 13:12:56 +0100 | [diff] [blame] | 1080 | runtime[DDIR_READ] += utime_since_now(&td->start); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1081 | |
| 1082 | if (td->error || td->terminate) |
| 1083 | break; |
| 1084 | } |
| 1085 | |
Jens Axboe | 36dff96 | 2006-11-24 13:29:20 +0100 | [diff] [blame] | 1086 | update_rusage_stat(td); |
ljzhang,Yaxin Hu,Jianchao Tang | 47f0cc4 | 2007-07-26 11:00:29 +0200 | [diff] [blame] | 1087 | td->ts.runtime[0] = (runtime[0] + 999) / 1000; |
| 1088 | td->ts.runtime[1] = (runtime[1] + 999) / 1000; |
Jens Axboe | 756867b | 2007-03-06 15:19:24 +0100 | [diff] [blame] | 1089 | td->ts.total_run_time = mtime_since_now(&td->epoch); |
| 1090 | td->ts.io_bytes[0] = td->io_bytes[0]; |
| 1091 | td->ts.io_bytes[1] = td->io_bytes[1]; |
Jens Axboe | 6900899 | 2006-11-24 13:12:56 +0100 | [diff] [blame] | 1092 | |
Fabio Checconi | d2bbb8d | 2009-05-18 12:54:50 +0200 | [diff] [blame] | 1093 | fio_mutex_down(writeout_mutex); |
Jens Axboe | e3cedca | 2008-11-19 19:57:52 +0100 | [diff] [blame] | 1094 | if (td->ts.bw_log) { |
Jens Axboe | f484470 | 2008-12-09 08:04:29 +0100 | [diff] [blame] | 1095 | if (td->o.bw_log_file) { |
| 1096 | finish_log_named(td, td->ts.bw_log, |
| 1097 | td->o.bw_log_file, "bw"); |
| 1098 | } else |
Jens Axboe | e3cedca | 2008-11-19 19:57:52 +0100 | [diff] [blame] | 1099 | finish_log(td, td->ts.bw_log, "bw"); |
| 1100 | } |
| 1101 | if (td->ts.slat_log) { |
Jens Axboe | f484470 | 2008-12-09 08:04:29 +0100 | [diff] [blame] | 1102 | if (td->o.lat_log_file) { |
| 1103 | finish_log_named(td, td->ts.slat_log, |
Radha Ramachandran | 1ca9573 | 2009-04-29 07:23:26 +0200 | [diff] [blame] | 1104 | td->o.lat_log_file, "slat"); |
Jens Axboe | f484470 | 2008-12-09 08:04:29 +0100 | [diff] [blame] | 1105 | } else |
Jens Axboe | e3cedca | 2008-11-19 19:57:52 +0100 | [diff] [blame] | 1106 | finish_log(td, td->ts.slat_log, "slat"); |
| 1107 | } |
| 1108 | if (td->ts.clat_log) { |
Jens Axboe | f484470 | 2008-12-09 08:04:29 +0100 | [diff] [blame] | 1109 | if (td->o.lat_log_file) { |
| 1110 | finish_log_named(td, td->ts.clat_log, |
| 1111 | td->o.lat_log_file, "clat"); |
| 1112 | } else |
Jens Axboe | e3cedca | 2008-11-19 19:57:52 +0100 | [diff] [blame] | 1113 | finish_log(td, td->ts.clat_log, "clat"); |
| 1114 | } |
Fabio Checconi | d2bbb8d | 2009-05-18 12:54:50 +0200 | [diff] [blame] | 1115 | fio_mutex_up(writeout_mutex); |
Jens Axboe | 398e8c4 | 2009-05-20 12:10:02 +0200 | [diff] [blame] | 1116 | if (td->o.exec_postrun) |
| 1117 | exec_string(td->o.exec_postrun); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1118 | |
| 1119 | if (exitall_on_terminate) |
Jens Axboe | 390c40e | 2007-03-05 12:35:29 +0100 | [diff] [blame] | 1120 | terminate_threads(td->groupid); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1121 | |
| 1122 | err: |
Jens Axboe | 5bf13a5 | 2007-02-17 01:51:47 +0100 | [diff] [blame] | 1123 | if (td->error) |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 1124 | 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] | 1125 | td->verror); |
Jens Axboe | 24ffd2c | 2008-03-01 15:47:08 +0100 | [diff] [blame] | 1126 | close_and_free_files(td); |
Jens Axboe | 2866c82 | 2006-10-09 15:57:48 +0200 | [diff] [blame] | 1127 | close_ioengine(td); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1128 | cleanup_io_u(td); |
Jens Axboe | f29b25a | 2007-07-23 08:56:43 +0200 | [diff] [blame] | 1129 | |
Jens Axboe | d2ce18b | 2008-12-12 20:51:40 +0100 | [diff] [blame] | 1130 | if (td->o.cpumask_set) { |
| 1131 | int ret = fio_cpuset_exit(&td->o.cpumask); |
| 1132 | |
| 1133 | td_verror(td, ret, "fio_cpuset_exit"); |
| 1134 | } |
Jens Axboe | 4e78e40 | 2008-12-12 20:40:27 +0100 | [diff] [blame] | 1135 | |
Jens Axboe | f29b25a | 2007-07-23 08:56:43 +0200 | [diff] [blame] | 1136 | /* |
| 1137 | * do this very late, it will log file closing as well |
| 1138 | */ |
| 1139 | if (td->o.write_iolog_file) |
| 1140 | write_iolog_close(td); |
| 1141 | |
Jens Axboe | d23bb32 | 2007-03-23 15:57:56 +0100 | [diff] [blame] | 1142 | options_mem_free(td); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1143 | td_set_runstate(td, TD_EXITED); |
Jens Axboe | 43d7680 | 2007-02-21 16:35:29 +0100 | [diff] [blame] | 1144 | return (void *) (unsigned long) td->error; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1145 | } |
| 1146 | |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 1147 | /* |
| 1148 | * We cannot pass the td data into a forked process, so attach the td and |
| 1149 | * pass it to the thread worker. |
| 1150 | */ |
Jens Axboe | a641814 | 2007-02-17 04:47:18 +0100 | [diff] [blame] | 1151 | static int fork_main(int shmid, int offset) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1152 | { |
| 1153 | struct thread_data *td; |
Jens Axboe | a641814 | 2007-02-17 04:47:18 +0100 | [diff] [blame] | 1154 | void *data, *ret; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1155 | |
| 1156 | data = shmat(shmid, NULL, 0); |
| 1157 | if (data == (void *) -1) { |
Jens Axboe | a641814 | 2007-02-17 04:47:18 +0100 | [diff] [blame] | 1158 | int __err = errno; |
| 1159 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1160 | perror("shmat"); |
Jens Axboe | a641814 | 2007-02-17 04:47:18 +0100 | [diff] [blame] | 1161 | return __err; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1162 | } |
| 1163 | |
| 1164 | td = data + offset * sizeof(struct thread_data); |
Jens Axboe | a641814 | 2007-02-17 04:47:18 +0100 | [diff] [blame] | 1165 | ret = thread_main(td); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1166 | shmdt(data); |
Jens Axboe | 43d7680 | 2007-02-21 16:35:29 +0100 | [diff] [blame] | 1167 | return (int) (unsigned long) ret; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1168 | } |
| 1169 | |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 1170 | /* |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 1171 | * Run over the job map and reap the threads that have exited, if any. |
| 1172 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1173 | static void reap_threads(int *nr_running, int *t_rate, int *m_rate) |
| 1174 | { |
Jens Axboe | 34572e2 | 2006-10-20 09:33:18 +0200 | [diff] [blame] | 1175 | struct thread_data *td; |
Jens Axboe | 1f809d1 | 2007-10-25 18:34:02 +0200 | [diff] [blame] | 1176 | int i, cputhreads, realthreads, pending, status, ret; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1177 | |
| 1178 | /* |
| 1179 | * reap exited threads (TD_EXITED -> TD_REAPED) |
| 1180 | */ |
Jens Axboe | 1f809d1 | 2007-10-25 18:34:02 +0200 | [diff] [blame] | 1181 | realthreads = pending = cputhreads = 0; |
Jens Axboe | 34572e2 | 2006-10-20 09:33:18 +0200 | [diff] [blame] | 1182 | for_each_td(td, i) { |
Jens Axboe | 3707f45 | 2007-02-22 12:26:57 +0100 | [diff] [blame] | 1183 | int flags = 0; |
Jens Axboe | a2f77c9 | 2007-02-22 11:53:00 +0100 | [diff] [blame] | 1184 | |
Jens Axboe | 8458500 | 2006-10-19 20:26:22 +0200 | [diff] [blame] | 1185 | /* |
| 1186 | * ->io_ops is NULL for a thread that has closed its |
| 1187 | * io engine |
| 1188 | */ |
Jens Axboe | ba0fbe1 | 2007-03-09 14:34:23 +0100 | [diff] [blame] | 1189 | if (td->io_ops && !strcmp(td->io_ops->name, "cpuio")) |
Jens Axboe | b990b5c | 2006-09-14 09:48:22 +0200 | [diff] [blame] | 1190 | cputhreads++; |
Jens Axboe | 1f809d1 | 2007-10-25 18:34:02 +0200 | [diff] [blame] | 1191 | else |
| 1192 | realthreads++; |
Jens Axboe | b990b5c | 2006-09-14 09:48:22 +0200 | [diff] [blame] | 1193 | |
Aaron Carroll | a1dedc1 | 2008-02-20 09:14:12 +0100 | [diff] [blame] | 1194 | if (!td->pid) { |
| 1195 | pending++; |
| 1196 | continue; |
| 1197 | } |
| 1198 | if (td->runstate == TD_REAPED) |
Jens Axboe | a2f77c9 | 2007-02-22 11:53:00 +0100 | [diff] [blame] | 1199 | continue; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 1200 | if (td->o.use_thread) { |
Jens Axboe | 3707f45 | 2007-02-22 12:26:57 +0100 | [diff] [blame] | 1201 | if (td->runstate == TD_EXITED) { |
| 1202 | td_set_runstate(td, TD_REAPED); |
| 1203 | goto reaped; |
| 1204 | } |
| 1205 | continue; |
| 1206 | } |
Jens Axboe | a2f77c9 | 2007-02-22 11:53:00 +0100 | [diff] [blame] | 1207 | |
| 1208 | flags = WNOHANG; |
| 1209 | if (td->runstate == TD_EXITED) |
| 1210 | flags = 0; |
| 1211 | |
| 1212 | /* |
| 1213 | * check if someone quit or got killed in an unusual way |
| 1214 | */ |
| 1215 | ret = waitpid(td->pid, &status, flags); |
Jens Axboe | 3707f45 | 2007-02-22 12:26:57 +0100 | [diff] [blame] | 1216 | if (ret < 0) { |
Jens Axboe | a2f77c9 | 2007-02-22 11:53:00 +0100 | [diff] [blame] | 1217 | if (errno == ECHILD) { |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 1218 | log_err("fio: pid=%d disappeared %d\n", |
| 1219 | (int) td->pid, td->runstate); |
Jens Axboe | a2f77c9 | 2007-02-22 11:53:00 +0100 | [diff] [blame] | 1220 | td_set_runstate(td, TD_REAPED); |
| 1221 | goto reaped; |
| 1222 | } |
| 1223 | perror("waitpid"); |
| 1224 | } else if (ret == td->pid) { |
| 1225 | if (WIFSIGNALED(status)) { |
Jens Axboe | fab6aa7 | 2007-02-17 06:19:24 +0100 | [diff] [blame] | 1226 | int sig = WTERMSIG(status); |
| 1227 | |
Jens Axboe | d924494 | 2007-03-05 12:32:32 +0100 | [diff] [blame] | 1228 | if (sig != SIGQUIT) |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 1229 | log_err("fio: pid=%d, got signal=%d\n", |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 1230 | (int) td->pid, sig); |
Jens Axboe | fab6aa7 | 2007-02-17 06:19:24 +0100 | [diff] [blame] | 1231 | td_set_runstate(td, TD_REAPED); |
| 1232 | goto reaped; |
| 1233 | } |
Jens Axboe | a2f77c9 | 2007-02-22 11:53:00 +0100 | [diff] [blame] | 1234 | if (WIFEXITED(status)) { |
| 1235 | if (WEXITSTATUS(status) && !td->error) |
| 1236 | td->error = WEXITSTATUS(status); |
Jens Axboe | fab6aa7 | 2007-02-17 06:19:24 +0100 | [diff] [blame] | 1237 | |
Jens Axboe | a2f77c9 | 2007-02-22 11:53:00 +0100 | [diff] [blame] | 1238 | td_set_runstate(td, TD_REAPED); |
| 1239 | goto reaped; |
Jens Axboe | a641814 | 2007-02-17 04:47:18 +0100 | [diff] [blame] | 1240 | } |
| 1241 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1242 | |
Jens Axboe | a2f77c9 | 2007-02-22 11:53:00 +0100 | [diff] [blame] | 1243 | /* |
| 1244 | * thread is not dead, continue |
| 1245 | */ |
gurudas pai | e48676b | 2007-04-11 12:44:27 +0200 | [diff] [blame] | 1246 | pending++; |
Jens Axboe | a2f77c9 | 2007-02-22 11:53:00 +0100 | [diff] [blame] | 1247 | continue; |
Jens Axboe | fab6aa7 | 2007-02-17 06:19:24 +0100 | [diff] [blame] | 1248 | reaped: |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1249 | (*nr_running)--; |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame^] | 1250 | (*m_rate) -= (td->o.ratemin[0] + td->o.ratemin[1]); |
| 1251 | (*t_rate) -= (td->o.rate[0] + td->o.rate[1]); |
Jens Axboe | 6f88bcb | 2008-03-19 10:29:07 +0100 | [diff] [blame] | 1252 | if (!td->pid) |
| 1253 | pending--; |
Jens Axboe | a2f77c9 | 2007-02-22 11:53:00 +0100 | [diff] [blame] | 1254 | |
| 1255 | if (td->error) |
| 1256 | exit_value++; |
Jens Axboe | d3eeeab | 2008-04-06 12:19:05 +0200 | [diff] [blame] | 1257 | |
| 1258 | done_secs += mtime_since_now(&td->epoch) / 1000; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1259 | } |
Jens Axboe | b990b5c | 2006-09-14 09:48:22 +0200 | [diff] [blame] | 1260 | |
Jens Axboe | 1f809d1 | 2007-10-25 18:34:02 +0200 | [diff] [blame] | 1261 | if (*nr_running == cputhreads && !pending && realthreads) |
Jens Axboe | 390c40e | 2007-03-05 12:35:29 +0100 | [diff] [blame] | 1262 | terminate_threads(TERMINATE_ALL); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1263 | } |
| 1264 | |
Jens Axboe | be4ecfd | 2008-12-08 14:10:52 +0100 | [diff] [blame] | 1265 | static void *gtod_thread_main(void *data) |
| 1266 | { |
| 1267 | fio_mutex_up(startup_mutex); |
| 1268 | |
| 1269 | /* |
| 1270 | * As long as we have jobs around, update the clock. It would be nice |
| 1271 | * to have some way of NOT hammering that CPU with gettimeofday(), |
| 1272 | * but I'm not sure what to use outside of a simple CPU nop to relax |
| 1273 | * it - we don't want to lose precision. |
| 1274 | */ |
| 1275 | while (threads) { |
| 1276 | fio_gtod_update(); |
| 1277 | nop; |
| 1278 | } |
| 1279 | |
| 1280 | return NULL; |
| 1281 | } |
| 1282 | |
| 1283 | static int fio_start_gtod_thread(void) |
| 1284 | { |
Jens Axboe | f42c153 | 2009-01-05 19:07:13 +0100 | [diff] [blame] | 1285 | int ret; |
| 1286 | |
| 1287 | ret = pthread_create(>od_thread, NULL, gtod_thread_main, NULL); |
| 1288 | if (ret) { |
| 1289 | log_err("Can't create gtod thread: %s\n", strerror(ret)); |
Jens Axboe | be4ecfd | 2008-12-08 14:10:52 +0100 | [diff] [blame] | 1290 | return 1; |
| 1291 | } |
Jens Axboe | f42c153 | 2009-01-05 19:07:13 +0100 | [diff] [blame] | 1292 | |
| 1293 | ret = pthread_detach(gtod_thread); |
| 1294 | if (ret) { |
| 1295 | log_err("Can't detatch gtod thread: %s\n", strerror(ret)); |
Jens Axboe | be4ecfd | 2008-12-08 14:10:52 +0100 | [diff] [blame] | 1296 | return 1; |
| 1297 | } |
| 1298 | |
Jens Axboe | 29adda3 | 2009-01-05 19:06:39 +0100 | [diff] [blame] | 1299 | dprint(FD_MUTEX, "wait on startup_mutex\n"); |
Jens Axboe | be4ecfd | 2008-12-08 14:10:52 +0100 | [diff] [blame] | 1300 | fio_mutex_down(startup_mutex); |
Jens Axboe | 29adda3 | 2009-01-05 19:06:39 +0100 | [diff] [blame] | 1301 | dprint(FD_MUTEX, "done waiting on startup_mutex\n"); |
Jens Axboe | be4ecfd | 2008-12-08 14:10:52 +0100 | [diff] [blame] | 1302 | return 0; |
| 1303 | } |
| 1304 | |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 1305 | /* |
| 1306 | * Main function for kicking off and reaping jobs, as needed. |
| 1307 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1308 | static void run_threads(void) |
| 1309 | { |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1310 | struct thread_data *td; |
| 1311 | unsigned long spent; |
| 1312 | int i, todo, nr_running, m_rate, t_rate, nr_started; |
Jens Axboe | fcb6ade | 2006-05-31 12:14:35 +0200 | [diff] [blame] | 1313 | |
Jens Axboe | 2f9ade3 | 2006-10-20 11:25:52 +0200 | [diff] [blame] | 1314 | if (fio_pin_memory()) |
| 1315 | return; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1316 | |
Jens Axboe | be4ecfd | 2008-12-08 14:10:52 +0100 | [diff] [blame] | 1317 | if (fio_gtod_offload && fio_start_gtod_thread()) |
| 1318 | return; |
| 1319 | |
Jens Axboe | c6ae0a5 | 2006-06-12 11:04:44 +0200 | [diff] [blame] | 1320 | if (!terse_output) { |
Jens Axboe | 9cedf16 | 2007-03-12 11:29:30 +0100 | [diff] [blame] | 1321 | printf("Starting "); |
| 1322 | if (nr_thread) |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 1323 | printf("%d thread%s", nr_thread, |
| 1324 | nr_thread > 1 ? "s" : ""); |
Jens Axboe | 9cedf16 | 2007-03-12 11:29:30 +0100 | [diff] [blame] | 1325 | if (nr_process) { |
| 1326 | if (nr_thread) |
| 1327 | printf(" and "); |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 1328 | printf("%d process%s", nr_process, |
| 1329 | nr_process > 1 ? "es" : ""); |
Jens Axboe | 9cedf16 | 2007-03-12 11:29:30 +0100 | [diff] [blame] | 1330 | } |
| 1331 | printf("\n"); |
Jens Axboe | c6ae0a5 | 2006-06-12 11:04:44 +0200 | [diff] [blame] | 1332 | fflush(stdout); |
| 1333 | } |
Jens Axboe | c04f7ec | 2006-05-31 10:13:16 +0200 | [diff] [blame] | 1334 | |
Jens Axboe | 697a606 | 2008-05-31 00:04:45 +0200 | [diff] [blame] | 1335 | set_sig_handlers(); |
Jens Axboe | 4efa970 | 2006-05-31 11:56:49 +0200 | [diff] [blame] | 1336 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1337 | todo = thread_number; |
| 1338 | nr_running = 0; |
| 1339 | nr_started = 0; |
| 1340 | m_rate = t_rate = 0; |
| 1341 | |
Jens Axboe | 34572e2 | 2006-10-20 09:33:18 +0200 | [diff] [blame] | 1342 | for_each_td(td, i) { |
Jens Axboe | 263e529 | 2006-10-18 15:37:01 +0200 | [diff] [blame] | 1343 | print_status_init(td->thread_number - 1); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1344 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 1345 | if (!td->o.create_serialize) { |
Jens Axboe | 380cf26 | 2007-01-11 14:01:27 +0100 | [diff] [blame] | 1346 | init_disk_util(td); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1347 | continue; |
Jens Axboe | 380cf26 | 2007-01-11 14:01:27 +0100 | [diff] [blame] | 1348 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1349 | |
| 1350 | /* |
| 1351 | * do file setup here so it happens sequentially, |
| 1352 | * we don't want X number of threads getting their |
| 1353 | * client data interspersed on disk |
| 1354 | */ |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 1355 | if (setup_files(td)) { |
Jens Axboe | 5bf13a5 | 2007-02-17 01:51:47 +0100 | [diff] [blame] | 1356 | exit_value++; |
| 1357 | if (td->error) |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 1358 | log_err("fio: pid=%d, err=%d/%s\n", |
| 1359 | (int) td->pid, td->error, td->verror); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1360 | td_set_runstate(td, TD_REAPED); |
| 1361 | todo--; |
Jens Axboe | c69e887 | 2008-03-01 18:50:48 +0100 | [diff] [blame] | 1362 | } else { |
| 1363 | struct fio_file *f; |
| 1364 | unsigned int i; |
| 1365 | |
| 1366 | /* |
| 1367 | * for sharing to work, each job must always open |
| 1368 | * its own files. so close them, if we opened them |
| 1369 | * for creation |
| 1370 | */ |
| 1371 | for_each_file(td, f, i) |
| 1372 | td_io_close_file(td, f); |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 1373 | } |
Jens Axboe | 380cf26 | 2007-01-11 14:01:27 +0100 | [diff] [blame] | 1374 | |
| 1375 | init_disk_util(td); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1376 | } |
| 1377 | |
Jens Axboe | a2f77c9 | 2007-02-22 11:53:00 +0100 | [diff] [blame] | 1378 | set_genesis_time(); |
| 1379 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1380 | while (todo) { |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 1381 | struct thread_data *map[MAX_JOBS]; |
| 1382 | struct timeval this_start; |
| 1383 | int this_jobs = 0, left; |
| 1384 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1385 | /* |
| 1386 | * create threads (TD_NOT_CREATED -> TD_CREATED) |
| 1387 | */ |
Jens Axboe | 34572e2 | 2006-10-20 09:33:18 +0200 | [diff] [blame] | 1388 | for_each_td(td, i) { |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1389 | if (td->runstate != TD_NOT_CREATED) |
| 1390 | continue; |
| 1391 | |
| 1392 | /* |
| 1393 | * never got a chance to start, killed by other |
| 1394 | * thread for some reason |
| 1395 | */ |
| 1396 | if (td->terminate) { |
| 1397 | todo--; |
| 1398 | continue; |
| 1399 | } |
| 1400 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 1401 | if (td->o.start_delay) { |
Jens Axboe | 263e529 | 2006-10-18 15:37:01 +0200 | [diff] [blame] | 1402 | spent = mtime_since_genesis(); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1403 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 1404 | if (td->o.start_delay * 1000 > spent) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1405 | continue; |
| 1406 | } |
| 1407 | |
Jens Axboe | 6f88bcb | 2008-03-19 10:29:07 +0100 | [diff] [blame] | 1408 | if (td->o.stonewall && (nr_started || nr_running)) { |
| 1409 | dprint(FD_PROCESS, "%s: stonewall wait\n", |
| 1410 | td->o.name); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1411 | break; |
Jens Axboe | 6f88bcb | 2008-03-19 10:29:07 +0100 | [diff] [blame] | 1412 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1413 | |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 1414 | /* |
| 1415 | * Set state to created. Thread will transition |
| 1416 | * to TD_INITIALIZED when it's done setting up. |
| 1417 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1418 | td_set_runstate(td, TD_CREATED); |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 1419 | map[this_jobs++] = td; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1420 | nr_started++; |
| 1421 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 1422 | if (td->o.use_thread) { |
Jens Axboe | f42c153 | 2009-01-05 19:07:13 +0100 | [diff] [blame] | 1423 | int ret; |
| 1424 | |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 1425 | dprint(FD_PROCESS, "will pthread_create\n"); |
Jens Axboe | f42c153 | 2009-01-05 19:07:13 +0100 | [diff] [blame] | 1426 | ret = pthread_create(&td->thread, NULL, |
| 1427 | thread_main, td); |
| 1428 | if (ret) { |
| 1429 | log_err("pthread_create: %s\n", |
| 1430 | strerror(ret)); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1431 | nr_started--; |
Jens Axboe | c8bb6fa | 2007-03-12 11:03:04 +0100 | [diff] [blame] | 1432 | break; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1433 | } |
Jens Axboe | f42c153 | 2009-01-05 19:07:13 +0100 | [diff] [blame] | 1434 | ret = pthread_detach(td->thread); |
| 1435 | if (ret) |
| 1436 | log_err("pthread_detach: %s", |
| 1437 | strerror(ret)); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1438 | } else { |
Jens Axboe | 5e1d306 | 2008-05-23 11:55:53 +0200 | [diff] [blame] | 1439 | pid_t pid; |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 1440 | dprint(FD_PROCESS, "will fork\n"); |
Jens Axboe | 5e1d306 | 2008-05-23 11:55:53 +0200 | [diff] [blame] | 1441 | pid = fork(); |
| 1442 | if (!pid) { |
Jens Axboe | a641814 | 2007-02-17 04:47:18 +0100 | [diff] [blame] | 1443 | int ret = fork_main(shm_id, i); |
| 1444 | |
Jens Axboe | 5e1d306 | 2008-05-23 11:55:53 +0200 | [diff] [blame] | 1445 | _exit(ret); |
| 1446 | } else if (i == fio_debug_jobno) |
| 1447 | *fio_debug_jobp = pid; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1448 | } |
Jens Axboe | 29adda3 | 2009-01-05 19:06:39 +0100 | [diff] [blame] | 1449 | dprint(FD_MUTEX, "wait on startup_mutex\n"); |
Jens Axboe | cdd18ad | 2008-02-27 18:58:00 +0100 | [diff] [blame] | 1450 | fio_mutex_down(startup_mutex); |
Jens Axboe | 29adda3 | 2009-01-05 19:06:39 +0100 | [diff] [blame] | 1451 | dprint(FD_MUTEX, "done waiting on startup_mutex\n"); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1452 | } |
| 1453 | |
| 1454 | /* |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 1455 | * Wait for the started threads to transition to |
| 1456 | * TD_INITIALIZED. |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1457 | */ |
Jens Axboe | 02bcaa8 | 2006-11-24 10:42:00 +0100 | [diff] [blame] | 1458 | fio_gettime(&this_start, NULL); |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 1459 | left = this_jobs; |
Jens Axboe | 6ce15a3 | 2007-01-12 09:04:41 +0100 | [diff] [blame] | 1460 | while (left && !fio_abort) { |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 1461 | if (mtime_since_now(&this_start) > JOB_START_TIMEOUT) |
| 1462 | break; |
| 1463 | |
| 1464 | usleep(100000); |
| 1465 | |
| 1466 | for (i = 0; i < this_jobs; i++) { |
| 1467 | td = map[i]; |
| 1468 | if (!td) |
| 1469 | continue; |
Jens Axboe | b6f4d88 | 2006-06-02 10:32:51 +0200 | [diff] [blame] | 1470 | if (td->runstate == TD_INITIALIZED) { |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 1471 | map[i] = NULL; |
| 1472 | left--; |
Jens Axboe | b6f4d88 | 2006-06-02 10:32:51 +0200 | [diff] [blame] | 1473 | } else if (td->runstate >= TD_EXITED) { |
| 1474 | map[i] = NULL; |
| 1475 | left--; |
| 1476 | todo--; |
| 1477 | nr_running++; /* work-around... */ |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 1478 | } |
| 1479 | } |
| 1480 | } |
| 1481 | |
| 1482 | if (left) { |
Jens Axboe | 3b70d7e | 2006-06-08 21:48:46 +0200 | [diff] [blame] | 1483 | log_err("fio: %d jobs failed to start\n", left); |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 1484 | for (i = 0; i < this_jobs; i++) { |
| 1485 | td = map[i]; |
| 1486 | if (!td) |
| 1487 | continue; |
| 1488 | kill(td->pid, SIGTERM); |
| 1489 | } |
| 1490 | break; |
| 1491 | } |
| 1492 | |
| 1493 | /* |
Jens Axboe | b6f4d88 | 2006-06-02 10:32:51 +0200 | [diff] [blame] | 1494 | * start created threads (TD_INITIALIZED -> TD_RUNNING). |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 1495 | */ |
Jens Axboe | 34572e2 | 2006-10-20 09:33:18 +0200 | [diff] [blame] | 1496 | for_each_td(td, i) { |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 1497 | if (td->runstate != TD_INITIALIZED) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1498 | continue; |
| 1499 | |
Jens Axboe | b29ee5b | 2008-09-11 10:17:26 +0200 | [diff] [blame] | 1500 | if (in_ramp_time(td)) |
| 1501 | td_set_runstate(td, TD_RAMP); |
| 1502 | else |
| 1503 | td_set_runstate(td, TD_RUNNING); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1504 | nr_running++; |
| 1505 | nr_started--; |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame^] | 1506 | m_rate += td->o.ratemin[0] + td->o.ratemin[1]; |
| 1507 | t_rate += td->o.rate[0] + td->o.rate[1]; |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 1508 | todo--; |
Jens Axboe | cdd18ad | 2008-02-27 18:58:00 +0100 | [diff] [blame] | 1509 | fio_mutex_up(td->mutex); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1510 | } |
| 1511 | |
| 1512 | reap_threads(&nr_running, &t_rate, &m_rate); |
| 1513 | |
| 1514 | if (todo) |
| 1515 | usleep(100000); |
| 1516 | } |
| 1517 | |
| 1518 | while (nr_running) { |
| 1519 | reap_threads(&nr_running, &t_rate, &m_rate); |
| 1520 | usleep(10000); |
| 1521 | } |
| 1522 | |
| 1523 | update_io_ticks(); |
Jens Axboe | 2f9ade3 | 2006-10-20 11:25:52 +0200 | [diff] [blame] | 1524 | fio_unpin_memory(); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1525 | } |
| 1526 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1527 | int main(int argc, char *argv[]) |
| 1528 | { |
Jens Axboe | 29d610e | 2007-02-06 13:25:33 +0100 | [diff] [blame] | 1529 | long ps; |
| 1530 | |
Jens Axboe | 2e5cdb1 | 2008-03-01 18:52:49 +0100 | [diff] [blame] | 1531 | sinit(); |
| 1532 | |
Jens Axboe | dbe1125 | 2007-02-11 00:19:51 +0100 | [diff] [blame] | 1533 | /* |
| 1534 | * We need locale for number printing, if it isn't set then just |
| 1535 | * go with the US format. |
| 1536 | */ |
| 1537 | if (!getenv("LC_NUMERIC")) |
| 1538 | setlocale(LC_NUMERIC, "en_US"); |
| 1539 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1540 | if (parse_options(argc, argv)) |
| 1541 | return 1; |
| 1542 | |
Jens Axboe | 4b472fa | 2007-04-04 11:04:34 +0200 | [diff] [blame] | 1543 | if (!thread_number) |
| 1544 | return 0; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1545 | |
Jens Axboe | 29d610e | 2007-02-06 13:25:33 +0100 | [diff] [blame] | 1546 | ps = sysconf(_SC_PAGESIZE); |
| 1547 | if (ps < 0) { |
| 1548 | log_err("Failed to get page size\n"); |
| 1549 | return 1; |
| 1550 | } |
| 1551 | |
Jens Axboe | cfc99db | 2007-03-14 10:34:47 +0100 | [diff] [blame] | 1552 | page_size = ps; |
Jens Axboe | 29d610e | 2007-02-06 13:25:33 +0100 | [diff] [blame] | 1553 | page_mask = ps - 1; |
| 1554 | |
Jens Axboe | bb3884d | 2007-01-17 17:23:11 +1100 | [diff] [blame] | 1555 | if (write_bw_log) { |
| 1556 | setup_log(&agg_io_log[DDIR_READ]); |
| 1557 | setup_log(&agg_io_log[DDIR_WRITE]); |
| 1558 | } |
| 1559 | |
Jens Axboe | cdd18ad | 2008-02-27 18:58:00 +0100 | [diff] [blame] | 1560 | startup_mutex = fio_mutex_init(0); |
Fabio Checconi | d2bbb8d | 2009-05-18 12:54:50 +0200 | [diff] [blame] | 1561 | writeout_mutex = fio_mutex_init(1); |
Jens Axboe | 07739b5 | 2007-03-08 20:25:46 +0100 | [diff] [blame] | 1562 | |
Jens Axboe | a2f77c9 | 2007-02-22 11:53:00 +0100 | [diff] [blame] | 1563 | set_genesis_time(); |
| 1564 | |
Jens Axboe | ccb0fa2 | 2008-05-30 23:18:00 +0200 | [diff] [blame] | 1565 | status_timer_arm(); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1566 | |
| 1567 | run_threads(); |
Jens Axboe | 6ce15a3 | 2007-01-12 09:04:41 +0100 | [diff] [blame] | 1568 | |
Jens Axboe | bb3884d | 2007-01-17 17:23:11 +1100 | [diff] [blame] | 1569 | if (!fio_abort) { |
Jens Axboe | 6ce15a3 | 2007-01-12 09:04:41 +0100 | [diff] [blame] | 1570 | show_run_stats(); |
Jens Axboe | bb3884d | 2007-01-17 17:23:11 +1100 | [diff] [blame] | 1571 | if (write_bw_log) { |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 1572 | __finish_log(agg_io_log[DDIR_READ], "agg-read_bw.log"); |
| 1573 | __finish_log(agg_io_log[DDIR_WRITE], |
| 1574 | "agg-write_bw.log"); |
Jens Axboe | bb3884d | 2007-01-17 17:23:11 +1100 | [diff] [blame] | 1575 | } |
| 1576 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1577 | |
Jens Axboe | cdd18ad | 2008-02-27 18:58:00 +0100 | [diff] [blame] | 1578 | fio_mutex_remove(startup_mutex); |
Fabio Checconi | d2bbb8d | 2009-05-18 12:54:50 +0200 | [diff] [blame] | 1579 | fio_mutex_remove(writeout_mutex); |
Jens Axboe | 437c9b7 | 2007-02-13 18:20:37 +0100 | [diff] [blame] | 1580 | return exit_value; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1581 | } |