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 | a696fa2 | 2009-12-04 10:05:02 +0100 | [diff] [blame] | 42 | #include "cgroup.h" |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 43 | |
Jens Axboe | cfc99db | 2007-03-14 10:34:47 +0100 | [diff] [blame] | 44 | unsigned long page_mask; |
| 45 | unsigned long page_size; |
Jens Axboe | d529ee1 | 2009-07-01 10:33:03 +0200 | [diff] [blame] | 46 | |
| 47 | #define PAGE_ALIGN(buf) \ |
Jens Axboe | 29d610e | 2007-02-06 13:25:33 +0100 | [diff] [blame] | 48 | (char *) (((unsigned long) (buf) + page_mask) & ~page_mask) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 49 | |
| 50 | int groupid = 0; |
| 51 | int thread_number = 0; |
Jens Axboe | 9cedf16 | 2007-03-12 11:29:30 +0100 | [diff] [blame] | 52 | int nr_process = 0; |
| 53 | int nr_thread = 0; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 54 | int shm_id = 0; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 55 | int temp_stall_ts; |
Jens Axboe | d3eeeab | 2008-04-06 12:19:05 +0200 | [diff] [blame] | 56 | unsigned long done_secs = 0; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 57 | |
Jens Axboe | cdd18ad | 2008-02-27 18:58:00 +0100 | [diff] [blame] | 58 | static struct fio_mutex *startup_mutex; |
Fabio Checconi | d2bbb8d | 2009-05-18 12:54:50 +0200 | [diff] [blame] | 59 | static struct fio_mutex *writeout_mutex; |
Jens Axboe | 6ce15a3 | 2007-01-12 09:04:41 +0100 | [diff] [blame] | 60 | static volatile int fio_abort; |
Jens Axboe | 437c9b7 | 2007-02-13 18:20:37 +0100 | [diff] [blame] | 61 | static int exit_value; |
Jens Axboe | ccb0fa2 | 2008-05-30 23:18:00 +0200 | [diff] [blame] | 62 | static struct itimerval itimer; |
Jens Axboe | be4ecfd | 2008-12-08 14:10:52 +0100 | [diff] [blame] | 63 | static pthread_t gtod_thread; |
Jens Axboe | dae5341 | 2009-12-04 19:54:18 +0100 | [diff] [blame] | 64 | static struct flist_head *cgroup_list; |
Jens Axboe | 6adb38a | 2009-12-07 08:01:26 +0100 | [diff] [blame] | 65 | static char *cgroup_mnt; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 66 | |
Jens Axboe | bb3884d | 2007-01-17 17:23:11 +1100 | [diff] [blame] | 67 | struct io_log *agg_io_log[2]; |
| 68 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 69 | #define TERMINATE_ALL (-1) |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 70 | #define JOB_START_TIMEOUT (5 * 1000) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 71 | |
Jens Axboe | b29ee5b | 2008-09-11 10:17:26 +0200 | [diff] [blame] | 72 | void td_set_runstate(struct thread_data *td, int runstate) |
Jens Axboe | 6ce15a3 | 2007-01-12 09:04:41 +0100 | [diff] [blame] | 73 | { |
Jens Axboe | d8fab1b | 2008-03-06 10:25:17 +0100 | [diff] [blame] | 74 | if (td->runstate == runstate) |
| 75 | return; |
| 76 | |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 77 | dprint(FD_PROCESS, "pid=%d: runstate %d -> %d\n", (int) td->pid, |
| 78 | td->runstate, runstate); |
Jens Axboe | 6ce15a3 | 2007-01-12 09:04:41 +0100 | [diff] [blame] | 79 | td->runstate = runstate; |
| 80 | } |
| 81 | |
Jens Axboe | 390c40e | 2007-03-05 12:35:29 +0100 | [diff] [blame] | 82 | static void terminate_threads(int group_id) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 83 | { |
Jens Axboe | 34572e2 | 2006-10-20 09:33:18 +0200 | [diff] [blame] | 84 | struct thread_data *td; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 85 | int i; |
| 86 | |
Jens Axboe | 6f88bcb | 2008-03-19 10:29:07 +0100 | [diff] [blame] | 87 | dprint(FD_PROCESS, "terminate group_id=%d\n", group_id); |
| 88 | |
Jens Axboe | 34572e2 | 2006-10-20 09:33:18 +0200 | [diff] [blame] | 89 | for_each_td(td, i) { |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 90 | if (group_id == TERMINATE_ALL || groupid == td->groupid) { |
Jens Axboe | 6f88bcb | 2008-03-19 10:29:07 +0100 | [diff] [blame] | 91 | dprint(FD_PROCESS, "setting terminate on %s/%d\n", |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 92 | td->o.name, (int) td->pid); |
Jens Axboe | ad830ed | 2008-02-18 21:11:24 +0100 | [diff] [blame] | 93 | td->terminate = 1; |
| 94 | td->o.start_delay = 0; |
| 95 | |
Jens Axboe | 7a93ab1 | 2007-04-18 12:25:41 +0200 | [diff] [blame] | 96 | /* |
| 97 | * if the thread is running, just let it exit |
| 98 | */ |
| 99 | if (td->runstate < TD_RUNNING) |
Jens Axboe | c1302d4 | 2007-03-05 20:18:31 +0100 | [diff] [blame] | 100 | kill(td->pid, SIGQUIT); |
Jens Axboe | f63f7f3 | 2008-03-01 15:25:24 +0100 | [diff] [blame] | 101 | else { |
| 102 | struct ioengine_ops *ops = td->io_ops; |
| 103 | |
| 104 | if (ops && (ops->flags & FIO_SIGQUIT)) |
| 105 | kill(td->pid, SIGQUIT); |
| 106 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 107 | } |
| 108 | } |
| 109 | } |
| 110 | |
Jens Axboe | ccb0fa2 | 2008-05-30 23:18:00 +0200 | [diff] [blame] | 111 | static void status_timer_arm(void) |
| 112 | { |
| 113 | itimer.it_value.tv_sec = 0; |
| 114 | itimer.it_value.tv_usec = DISK_UTIL_MSEC * 1000; |
| 115 | setitimer(ITIMER_REAL, &itimer, NULL); |
| 116 | } |
| 117 | |
Jens Axboe | 02444ad | 2008-10-07 11:33:00 +0200 | [diff] [blame] | 118 | static void sig_alrm(int fio_unused sig) |
Jens Axboe | ccb0fa2 | 2008-05-30 23:18:00 +0200 | [diff] [blame] | 119 | { |
Jens Axboe | 697a606 | 2008-05-31 00:04:45 +0200 | [diff] [blame] | 120 | if (threads) { |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 121 | update_io_ticks(); |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 122 | print_thread_status(); |
Jens Axboe | ccb0fa2 | 2008-05-30 23:18:00 +0200 | [diff] [blame] | 123 | status_timer_arm(); |
Jens Axboe | 697a606 | 2008-05-31 00:04:45 +0200 | [diff] [blame] | 124 | } |
| 125 | } |
| 126 | |
Jens Axboe | 5f8f972 | 2008-11-18 19:10:21 +0100 | [diff] [blame] | 127 | /* |
| 128 | * Happens on thread runs with ctrl-c, ignore our own SIGQUIT |
| 129 | */ |
| 130 | static void sig_quit(int sig) |
| 131 | { |
| 132 | } |
| 133 | |
Jens Axboe | 697a606 | 2008-05-31 00:04:45 +0200 | [diff] [blame] | 134 | static void sig_int(int sig) |
| 135 | { |
| 136 | if (threads) { |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 137 | printf("\nfio: terminating on signal %d\n", sig); |
| 138 | fflush(stdout); |
| 139 | terminate_threads(TERMINATE_ALL); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 140 | } |
| 141 | } |
| 142 | |
Jens Axboe | 02444ad | 2008-10-07 11:33:00 +0200 | [diff] [blame] | 143 | static void sig_ill(int fio_unused sig) |
Jens Axboe | de79c91 | 2008-08-04 21:43:55 +0200 | [diff] [blame] | 144 | { |
| 145 | if (!threads) |
| 146 | return; |
| 147 | |
| 148 | log_err("fio: illegal instruction. your cpu does not support " |
| 149 | "the sse4.2 instruction for crc32c\n"); |
| 150 | terminate_threads(TERMINATE_ALL); |
| 151 | exit(4); |
| 152 | } |
| 153 | |
Jens Axboe | 697a606 | 2008-05-31 00:04:45 +0200 | [diff] [blame] | 154 | static void set_sig_handlers(void) |
| 155 | { |
| 156 | struct sigaction act; |
| 157 | |
| 158 | memset(&act, 0, sizeof(act)); |
| 159 | act.sa_handler = sig_alrm; |
| 160 | act.sa_flags = SA_RESTART; |
| 161 | sigaction(SIGALRM, &act, NULL); |
| 162 | |
| 163 | memset(&act, 0, sizeof(act)); |
| 164 | act.sa_handler = sig_int; |
| 165 | act.sa_flags = SA_RESTART; |
| 166 | sigaction(SIGINT, &act, NULL); |
Jens Axboe | de79c91 | 2008-08-04 21:43:55 +0200 | [diff] [blame] | 167 | |
| 168 | memset(&act, 0, sizeof(act)); |
| 169 | act.sa_handler = sig_ill; |
| 170 | act.sa_flags = SA_RESTART; |
| 171 | sigaction(SIGILL, &act, NULL); |
Jens Axboe | 5f8f972 | 2008-11-18 19:10:21 +0100 | [diff] [blame] | 172 | |
| 173 | memset(&act, 0, sizeof(act)); |
| 174 | act.sa_handler = sig_quit; |
| 175 | act.sa_flags = SA_RESTART; |
| 176 | sigaction(SIGQUIT, &act, NULL); |
Jens Axboe | 697a606 | 2008-05-31 00:04:45 +0200 | [diff] [blame] | 177 | } |
| 178 | |
| 179 | /* |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 180 | * Check if we are above the minimum rate given. |
| 181 | */ |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 182 | static int __check_min_rate(struct thread_data *td, struct timeval *now, |
| 183 | enum td_ddir ddir) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 184 | { |
Jens Axboe | 0904200 | 2007-02-23 10:56:22 +0100 | [diff] [blame] | 185 | unsigned long long bytes = 0; |
Jens Axboe | 4e991c2 | 2007-03-15 11:41:11 +0100 | [diff] [blame] | 186 | unsigned long iops = 0; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 187 | unsigned long spent; |
| 188 | unsigned long rate; |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 189 | unsigned int ratemin = 0; |
| 190 | unsigned int rate_iops = 0; |
| 191 | unsigned int rate_iops_min = 0; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 192 | |
Jens Axboe | d982d87 | 2009-06-10 06:35:48 +0200 | [diff] [blame] | 193 | if (!td->o.ratemin[ddir] && !td->o.rate_iops_min[ddir]) |
| 194 | return 0; |
| 195 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 196 | /* |
| 197 | * allow a 2 second settle period in the beginning |
| 198 | */ |
| 199 | if (mtime_since(&td->start, now) < 2000) |
| 200 | return 0; |
| 201 | |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 202 | iops += td->io_blocks[ddir]; |
| 203 | bytes += td->this_io_bytes[ddir]; |
| 204 | ratemin += td->o.ratemin[ddir]; |
| 205 | rate_iops += td->o.rate_iops[ddir]; |
| 206 | rate_iops_min += td->o.rate_iops_min[ddir]; |
Jens Axboe | 0904200 | 2007-02-23 10:56:22 +0100 | [diff] [blame] | 207 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 208 | /* |
| 209 | * if rate blocks is set, sample is running |
| 210 | */ |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 211 | if (td->rate_bytes[ddir] || td->rate_blocks[ddir]) { |
| 212 | spent = mtime_since(&td->lastrate[ddir], now); |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 213 | if (spent < td->o.ratecycle) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 214 | return 0; |
| 215 | |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 216 | if (td->o.rate[ddir]) { |
Jens Axboe | 4e991c2 | 2007-03-15 11:41:11 +0100 | [diff] [blame] | 217 | /* |
| 218 | * check bandwidth specified rate |
| 219 | */ |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 220 | if (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\n", td->o.name, |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 222 | ratemin); |
Jens Axboe | 413dd45 | 2007-02-23 09:26:09 +0100 | [diff] [blame] | 223 | return 1; |
Jens Axboe | 4e991c2 | 2007-03-15 11:41:11 +0100 | [diff] [blame] | 224 | } else { |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 225 | rate = ((bytes - td->rate_bytes[ddir]) * 1000) / spent; |
| 226 | if (rate < ratemin || |
| 227 | bytes < td->rate_bytes[ddir]) { |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 228 | log_err("%s: min rate %u not met, got" |
Jens Axboe | b22989b | 2009-07-17 22:29:23 +0200 | [diff] [blame] | 229 | " %luKB/sec\n", td->o.name, |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 230 | ratemin, rate); |
Jens Axboe | 4e991c2 | 2007-03-15 11:41:11 +0100 | [diff] [blame] | 231 | return 1; |
| 232 | } |
| 233 | } |
| 234 | } else { |
| 235 | /* |
| 236 | * checks iops specified rate |
| 237 | */ |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 238 | if (iops < rate_iops) { |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 239 | log_err("%s: min iops rate %u not met\n", |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 240 | td->o.name, rate_iops); |
Jens Axboe | 4e991c2 | 2007-03-15 11:41:11 +0100 | [diff] [blame] | 241 | return 1; |
| 242 | } else { |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 243 | rate = ((iops - td->rate_blocks[ddir]) * 1000) / spent; |
| 244 | if (rate < rate_iops_min || |
| 245 | iops < td->rate_blocks[ddir]) { |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 246 | log_err("%s: min iops rate %u not met," |
| 247 | " got %lu\n", td->o.name, |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 248 | rate_iops_min, rate); |
Jens Axboe | 4e991c2 | 2007-03-15 11:41:11 +0100 | [diff] [blame] | 249 | } |
Jens Axboe | 413dd45 | 2007-02-23 09:26:09 +0100 | [diff] [blame] | 250 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 251 | } |
| 252 | } |
| 253 | |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 254 | td->rate_bytes[ddir] = bytes; |
| 255 | td->rate_blocks[ddir] = iops; |
| 256 | memcpy(&td->lastrate[ddir], now, sizeof(*now)); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 257 | return 0; |
| 258 | } |
| 259 | |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 260 | static int check_min_rate(struct thread_data *td, struct timeval *now, |
| 261 | unsigned long *bytes_done) |
| 262 | { |
| 263 | int ret = 0; |
| 264 | |
| 265 | if (bytes_done[0]) |
| 266 | ret |= __check_min_rate(td, now, 0); |
| 267 | if (bytes_done[1]) |
| 268 | ret |= __check_min_rate(td, now, 1); |
| 269 | |
| 270 | return ret; |
| 271 | } |
| 272 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 273 | static inline int runtime_exceeded(struct thread_data *td, struct timeval *t) |
| 274 | { |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 275 | if (!td->o.timeout) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 276 | return 0; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 277 | if (mtime_since(&td->epoch, t) >= td->o.timeout * 1000) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 278 | return 1; |
| 279 | |
| 280 | return 0; |
| 281 | } |
| 282 | |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 283 | /* |
| 284 | * When job exits, we can cancel the in-flight IO if we are using async |
| 285 | * io. Attempt to do so. |
| 286 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 287 | static void cleanup_pending_aio(struct thread_data *td) |
| 288 | { |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 289 | struct flist_head *entry, *n; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 290 | struct io_u *io_u; |
| 291 | int r; |
| 292 | |
| 293 | /* |
| 294 | * get immediately available events, if any |
| 295 | */ |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 296 | r = io_u_queued_complete(td, 0, NULL); |
Jens Axboe | b2fdda4 | 2007-02-20 20:52:51 +0100 | [diff] [blame] | 297 | if (r < 0) |
| 298 | return; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 299 | |
| 300 | /* |
| 301 | * now cancel remaining active events |
| 302 | */ |
Jens Axboe | 2866c82 | 2006-10-09 15:57:48 +0200 | [diff] [blame] | 303 | if (td->io_ops->cancel) { |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 304 | flist_for_each_safe(entry, n, &td->io_u_busylist) { |
| 305 | io_u = flist_entry(entry, struct io_u, list); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 306 | |
Jens Axboe | 0c6e751 | 2007-02-22 11:19:39 +0100 | [diff] [blame] | 307 | /* |
| 308 | * if the io_u isn't in flight, then that generally |
| 309 | * means someone leaked an io_u. complain but fix |
| 310 | * it up, so we don't stall here. |
| 311 | */ |
| 312 | if ((io_u->flags & IO_U_F_FLIGHT) == 0) { |
| 313 | log_err("fio: non-busy IO on busy list\n"); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 314 | put_io_u(td, io_u); |
Jens Axboe | 0c6e751 | 2007-02-22 11:19:39 +0100 | [diff] [blame] | 315 | } else { |
| 316 | r = td->io_ops->cancel(td, io_u); |
| 317 | if (!r) |
| 318 | put_io_u(td, io_u); |
| 319 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 320 | } |
| 321 | } |
| 322 | |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 323 | if (td->cur_depth) |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 324 | r = io_u_queued_complete(td, td->cur_depth, NULL); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 325 | } |
| 326 | |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 327 | /* |
Jens Axboe | 858a3d4 | 2006-10-24 14:54:44 +0200 | [diff] [blame] | 328 | * Helper to handle the final sync of a file. Works just like the normal |
| 329 | * io path, just does everything sync. |
| 330 | */ |
| 331 | static int fio_io_sync(struct thread_data *td, struct fio_file *f) |
| 332 | { |
| 333 | struct io_u *io_u = __get_io_u(td); |
Jens Axboe | 858a3d4 | 2006-10-24 14:54:44 +0200 | [diff] [blame] | 334 | int ret; |
| 335 | |
| 336 | if (!io_u) |
| 337 | return 1; |
| 338 | |
| 339 | io_u->ddir = DDIR_SYNC; |
| 340 | io_u->file = f; |
| 341 | |
| 342 | if (td_io_prep(td, io_u)) { |
| 343 | put_io_u(td, io_u); |
| 344 | return 1; |
| 345 | } |
| 346 | |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 347 | requeue: |
Jens Axboe | 858a3d4 | 2006-10-24 14:54:44 +0200 | [diff] [blame] | 348 | ret = td_io_queue(td, io_u); |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 349 | if (ret < 0) { |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 350 | td_verror(td, io_u->error, "td_io_queue"); |
Jens Axboe | 858a3d4 | 2006-10-24 14:54:44 +0200 | [diff] [blame] | 351 | put_io_u(td, io_u); |
Jens Axboe | 858a3d4 | 2006-10-24 14:54:44 +0200 | [diff] [blame] | 352 | return 1; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 353 | } else if (ret == FIO_Q_QUEUED) { |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 354 | if (io_u_queued_complete(td, 1, NULL) < 0) |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 355 | return 1; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 356 | } else if (ret == FIO_Q_COMPLETED) { |
| 357 | if (io_u->error) { |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 358 | td_verror(td, io_u->error, "td_io_queue"); |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 359 | return 1; |
| 360 | } |
Jens Axboe | 858a3d4 | 2006-10-24 14:54:44 +0200 | [diff] [blame] | 361 | |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 362 | if (io_u_sync_complete(td, io_u, NULL) < 0) |
Jens Axboe | b2fdda4 | 2007-02-20 20:52:51 +0100 | [diff] [blame] | 363 | return 1; |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 364 | } else if (ret == FIO_Q_BUSY) { |
| 365 | if (td_io_commit(td)) |
| 366 | return 1; |
| 367 | goto requeue; |
Jens Axboe | 858a3d4 | 2006-10-24 14:54:44 +0200 | [diff] [blame] | 368 | } |
| 369 | |
| 370 | return 0; |
| 371 | } |
| 372 | |
Jens Axboe | 993bf48 | 2008-11-14 13:04:53 +0100 | [diff] [blame] | 373 | static inline void update_tv_cache(struct thread_data *td) |
| 374 | { |
| 375 | if ((++td->tv_cache_nr & td->tv_cache_mask) == td->tv_cache_mask) |
| 376 | fio_gettime(&td->tv_cache, NULL); |
| 377 | } |
| 378 | |
Radha Ramachandran | f2bba18 | 2009-06-15 08:40:16 +0200 | [diff] [blame] | 379 | static int break_on_this_error(struct thread_data *td, int *retptr) |
| 380 | { |
| 381 | int ret = *retptr; |
| 382 | |
| 383 | if (ret < 0 || td->error) { |
| 384 | int err; |
| 385 | |
Jens Axboe | 1ec99ee | 2009-06-15 12:37:30 +0200 | [diff] [blame] | 386 | if (!td->o.continue_on_error) |
| 387 | return 1; |
Radha Ramachandran | f2bba18 | 2009-06-15 08:40:16 +0200 | [diff] [blame] | 388 | |
| 389 | if (ret < 0) |
| 390 | err = -ret; |
| 391 | else |
| 392 | err = td->error; |
| 393 | |
Radha Ramachandran | f2bba18 | 2009-06-15 08:40:16 +0200 | [diff] [blame] | 394 | if (td_non_fatal_error(err)) { |
| 395 | /* |
| 396 | * Continue with the I/Os in case of |
| 397 | * a non fatal error. |
| 398 | */ |
Radha Ramachandran | 8a4f8a2 | 2009-07-02 08:30:49 +0200 | [diff] [blame] | 399 | update_error_count(td, err); |
Radha Ramachandran | f2bba18 | 2009-06-15 08:40:16 +0200 | [diff] [blame] | 400 | td_clear_error(td); |
| 401 | *retptr = 0; |
| 402 | return 0; |
Radha Ramachandran | 8a4f8a2 | 2009-07-02 08:30:49 +0200 | [diff] [blame] | 403 | } else if (td->o.fill_device && err == ENOSPC) { |
| 404 | /* |
| 405 | * We expect to hit this error if |
| 406 | * fill_device option is set. |
| 407 | */ |
| 408 | td_clear_error(td); |
| 409 | td->terminate = 1; |
| 410 | return 1; |
Radha Ramachandran | f2bba18 | 2009-06-15 08:40:16 +0200 | [diff] [blame] | 411 | } else { |
| 412 | /* |
| 413 | * Stop the I/O in case of a fatal |
| 414 | * error. |
| 415 | */ |
Radha Ramachandran | 8a4f8a2 | 2009-07-02 08:30:49 +0200 | [diff] [blame] | 416 | update_error_count(td, err); |
Radha Ramachandran | f2bba18 | 2009-06-15 08:40:16 +0200 | [diff] [blame] | 417 | return 1; |
| 418 | } |
| 419 | } |
| 420 | |
| 421 | return 0; |
| 422 | } |
| 423 | |
Jens Axboe | 858a3d4 | 2006-10-24 14:54:44 +0200 | [diff] [blame] | 424 | /* |
Jens Axboe | 34403fb | 2007-03-02 21:43:25 +0100 | [diff] [blame] | 425 | * The main verify engine. Runs over the writes we previously submitted, |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 426 | * reads the blocks back in, and checks the crc/md5 of the data. |
| 427 | */ |
Jens Axboe | 1e97cce | 2006-12-05 11:44:16 +0100 | [diff] [blame] | 428 | static void do_verify(struct thread_data *td) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 429 | { |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 430 | struct fio_file *f; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 431 | struct io_u *io_u; |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 432 | int ret, min_events; |
| 433 | unsigned int i; |
Jens Axboe | e5b401d | 2006-10-18 16:03:40 +0200 | [diff] [blame] | 434 | |
| 435 | /* |
| 436 | * sync io first and invalidate cache, to make sure we really |
| 437 | * read from disk. |
| 438 | */ |
| 439 | for_each_file(td, f, i) { |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 440 | if (!fio_file_open(f)) |
Jens Axboe | 3d7b485 | 2007-03-13 14:50:28 +0100 | [diff] [blame] | 441 | continue; |
Jens Axboe | b2fdda4 | 2007-02-20 20:52:51 +0100 | [diff] [blame] | 442 | if (fio_io_sync(td, f)) |
| 443 | break; |
| 444 | if (file_invalidate_cache(td, f)) |
| 445 | break; |
Jens Axboe | e5b401d | 2006-10-18 16:03:40 +0200 | [diff] [blame] | 446 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 447 | |
Jens Axboe | b2fdda4 | 2007-02-20 20:52:51 +0100 | [diff] [blame] | 448 | if (td->error) |
| 449 | return; |
| 450 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 451 | td_set_runstate(td, TD_VERIFYING); |
| 452 | |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 453 | io_u = NULL; |
| 454 | while (!td->terminate) { |
Jens Axboe | 4950421 | 2008-06-05 09:03:30 +0200 | [diff] [blame] | 455 | int ret2, full; |
Jens Axboe | 5451792 | 2007-03-05 10:06:06 +0100 | [diff] [blame] | 456 | |
Jens Axboe | 993bf48 | 2008-11-14 13:04:53 +0100 | [diff] [blame] | 457 | update_tv_cache(td); |
| 458 | |
| 459 | if (runtime_exceeded(td, &td->tv_cache)) { |
Jens Axboe | 90a87d4 | 2007-04-18 09:02:32 +0200 | [diff] [blame] | 460 | td->terminate = 1; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 461 | break; |
Jens Axboe | 069c291 | 2007-02-21 23:02:39 +0100 | [diff] [blame] | 462 | } |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 463 | |
Radha Ramachandran | dcb4830 | 2009-06-16 08:31:29 +0200 | [diff] [blame] | 464 | io_u = __get_io_u(td); |
| 465 | if (!io_u) |
| 466 | break; |
| 467 | |
Jens Axboe | 069c291 | 2007-02-21 23:02:39 +0100 | [diff] [blame] | 468 | if (get_next_verify(td, io_u)) { |
| 469 | put_io_u(td, io_u); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 470 | break; |
Jens Axboe | 069c291 | 2007-02-21 23:02:39 +0100 | [diff] [blame] | 471 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 472 | |
Jens Axboe | 069c291 | 2007-02-21 23:02:39 +0100 | [diff] [blame] | 473 | if (td_io_prep(td, io_u)) { |
| 474 | put_io_u(td, io_u); |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 475 | break; |
Jens Axboe | 069c291 | 2007-02-21 23:02:39 +0100 | [diff] [blame] | 476 | } |
Jens Axboe | d7762cf | 2007-02-23 12:34:57 +0100 | [diff] [blame] | 477 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 478 | if (td->o.verify_async) |
| 479 | io_u->end_io = verify_io_u_async; |
| 480 | else |
| 481 | io_u->end_io = verify_io_u; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 482 | |
Jens Axboe | 1178680 | 2007-03-05 18:33:22 +0100 | [diff] [blame] | 483 | ret = td_io_queue(td, io_u); |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 484 | switch (ret) { |
| 485 | case FIO_Q_COMPLETED: |
Radha Ramachandran | f2bba18 | 2009-06-15 08:40:16 +0200 | [diff] [blame] | 486 | if (io_u->error) { |
Jens Axboe | 22819ec | 2007-02-18 07:47:14 +0100 | [diff] [blame] | 487 | ret = -io_u->error; |
Radha Ramachandran | f2bba18 | 2009-06-15 08:40:16 +0200 | [diff] [blame] | 488 | clear_io_u(td, io_u); |
| 489 | } else if (io_u->resid) { |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 490 | int bytes = io_u->xfer_buflen - io_u->resid; |
Jens Axboe | d460eb3 | 2007-04-16 21:39:33 +0200 | [diff] [blame] | 491 | struct fio_file *f = io_u->file; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 492 | |
Jens Axboe | 9e9d164 | 2007-03-12 09:37:46 +0100 | [diff] [blame] | 493 | /* |
| 494 | * zero read, fail |
| 495 | */ |
| 496 | if (!bytes) { |
Jens Axboe | 41d9f0f | 2008-06-02 12:19:50 +0200 | [diff] [blame] | 497 | td_verror(td, EIO, "full resid"); |
Jens Axboe | 9e9d164 | 2007-03-12 09:37:46 +0100 | [diff] [blame] | 498 | put_io_u(td, io_u); |
| 499 | break; |
| 500 | } |
Jens Axboe | 8400d9b | 2007-03-28 11:10:09 +0200 | [diff] [blame] | 501 | |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 502 | io_u->xfer_buflen = io_u->resid; |
| 503 | io_u->xfer_buf += bytes; |
Jens Axboe | 8400d9b | 2007-03-28 11:10:09 +0200 | [diff] [blame] | 504 | io_u->offset += bytes; |
| 505 | |
Jens Axboe | 30061b9 | 2007-04-17 13:31:34 +0200 | [diff] [blame] | 506 | td->ts.short_io_u[io_u->ddir]++; |
| 507 | |
Jens Axboe | d460eb3 | 2007-04-16 21:39:33 +0200 | [diff] [blame] | 508 | if (io_u->offset == f->real_file_size) |
Jens Axboe | 8400d9b | 2007-03-28 11:10:09 +0200 | [diff] [blame] | 509 | goto sync_done; |
| 510 | |
Jens Axboe | 1178680 | 2007-03-05 18:33:22 +0100 | [diff] [blame] | 511 | requeue_io_u(td, &io_u); |
| 512 | } else { |
Jens Axboe | 8400d9b | 2007-03-28 11:10:09 +0200 | [diff] [blame] | 513 | sync_done: |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 514 | ret = io_u_sync_complete(td, io_u, NULL); |
Jens Axboe | 1178680 | 2007-03-05 18:33:22 +0100 | [diff] [blame] | 515 | if (ret < 0) |
| 516 | break; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 517 | } |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 518 | continue; |
| 519 | case FIO_Q_QUEUED: |
| 520 | break; |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 521 | case FIO_Q_BUSY: |
| 522 | requeue_io_u(td, &io_u); |
Jens Axboe | 5451792 | 2007-03-05 10:06:06 +0100 | [diff] [blame] | 523 | ret2 = td_io_commit(td); |
| 524 | if (ret2 < 0) |
| 525 | ret = ret2; |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 526 | break; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 527 | default: |
| 528 | assert(ret < 0); |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 529 | td_verror(td, -ret, "td_io_queue"); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 530 | break; |
| 531 | } |
| 532 | |
Radha Ramachandran | f2bba18 | 2009-06-15 08:40:16 +0200 | [diff] [blame] | 533 | if (break_on_this_error(td, &ret)) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 534 | break; |
| 535 | |
Jens Axboe | 3af6ef3 | 2007-02-18 06:57:43 +0100 | [diff] [blame] | 536 | /* |
| 537 | * if we can queue more, do so. but check if there are |
| 538 | * completed io_u's first. |
| 539 | */ |
Jens Axboe | 4950421 | 2008-06-05 09:03:30 +0200 | [diff] [blame] | 540 | full = queue_full(td) || ret == FIO_Q_BUSY; |
| 541 | if (full || !td->o.iodepth_batch_complete) { |
Radha Ramachandran | 6a96276 | 2009-11-05 08:33:49 +0100 | [diff] [blame] | 542 | min_events = min(td->o.iodepth_batch_complete, |
| 543 | td->cur_depth); |
Jens Axboe | 4950421 | 2008-06-05 09:03:30 +0200 | [diff] [blame] | 544 | if (full && !min_events) |
Jens Axboe | 838bc70 | 2008-05-22 13:08:23 +0200 | [diff] [blame] | 545 | min_events = 1; |
Jens Axboe | e916b39 | 2007-02-20 14:37:26 +0100 | [diff] [blame] | 546 | |
Jens Axboe | 4950421 | 2008-06-05 09:03:30 +0200 | [diff] [blame] | 547 | do { |
| 548 | /* |
| 549 | * Reap required number of io units, if any, |
| 550 | * and do the verification on them through |
| 551 | * the callback handler |
| 552 | */ |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 553 | if (io_u_queued_complete(td, min_events, NULL) < 0) { |
Jens Axboe | 4950421 | 2008-06-05 09:03:30 +0200 | [diff] [blame] | 554 | ret = -1; |
| 555 | break; |
| 556 | } |
| 557 | } while (full && (td->cur_depth > td->o.iodepth_low)); |
| 558 | } |
| 559 | if (ret < 0) |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 560 | break; |
| 561 | } |
| 562 | |
Jens Axboe | c01c039 | 2007-02-26 12:43:42 +0100 | [diff] [blame] | 563 | if (!td->error) { |
| 564 | min_events = td->cur_depth; |
| 565 | |
| 566 | if (min_events) |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 567 | ret = io_u_queued_complete(td, min_events, NULL); |
Jens Axboe | c01c039 | 2007-02-26 12:43:42 +0100 | [diff] [blame] | 568 | } else |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 569 | cleanup_pending_aio(td); |
| 570 | |
| 571 | td_set_runstate(td, TD_RUNNING); |
| 572 | } |
| 573 | |
Jens Axboe | 32cd46a | 2006-06-07 13:40:40 +0200 | [diff] [blame] | 574 | /* |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 575 | * 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] | 576 | * and reaps them, checking for rate and errors along the way. |
| 577 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 578 | static void do_io(struct thread_data *td) |
| 579 | { |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 580 | unsigned int i; |
| 581 | int ret = 0; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 582 | |
Jens Axboe | b29ee5b | 2008-09-11 10:17:26 +0200 | [diff] [blame] | 583 | if (in_ramp_time(td)) |
| 584 | td_set_runstate(td, TD_RAMP); |
| 585 | else |
| 586 | td_set_runstate(td, TD_RUNNING); |
Jens Axboe | 5853e5a | 2006-06-08 14:41:05 +0200 | [diff] [blame] | 587 | |
Glen Ogilvie | 457bf39 | 2009-11-03 21:52:36 +0100 | [diff] [blame] | 588 | while ( (td->o.read_iolog_file && !flist_empty(&td->io_log_list)) || |
| 589 | ((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] | 590 | struct timeval comp_time; |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 591 | unsigned long bytes_done[2] = { 0, 0 }; |
Jens Axboe | 8458500 | 2006-10-19 20:26:22 +0200 | [diff] [blame] | 592 | int min_evts = 0; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 593 | struct io_u *io_u; |
Jens Axboe | 4950421 | 2008-06-05 09:03:30 +0200 | [diff] [blame] | 594 | int ret2, full; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 595 | |
| 596 | if (td->terminate) |
| 597 | break; |
| 598 | |
Jens Axboe | 993bf48 | 2008-11-14 13:04:53 +0100 | [diff] [blame] | 599 | update_tv_cache(td); |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 600 | |
Jens Axboe | 993bf48 | 2008-11-14 13:04:53 +0100 | [diff] [blame] | 601 | if (runtime_exceeded(td, &td->tv_cache)) { |
Jens Axboe | 90a87d4 | 2007-04-18 09:02:32 +0200 | [diff] [blame] | 602 | td->terminate = 1; |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 603 | break; |
| 604 | } |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 605 | |
Radha Ramachandran | dcb4830 | 2009-06-16 08:31:29 +0200 | [diff] [blame] | 606 | io_u = get_io_u(td); |
| 607 | if (!io_u) |
| 608 | break; |
| 609 | |
Jens Axboe | b67740d | 2007-07-26 12:22:30 +0200 | [diff] [blame] | 610 | /* |
| 611 | * Add verification end_io handler, if asked to verify |
| 612 | * a previously written file. |
| 613 | */ |
Jens Axboe | 715d2b3 | 2009-09-04 20:53:53 +0200 | [diff] [blame] | 614 | if (td->o.verify != VERIFY_NONE && io_u->ddir == DDIR_READ && |
| 615 | !td_rw(td)) { |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 616 | if (td->o.verify_async) |
| 617 | io_u->end_io = verify_io_u_async; |
| 618 | else |
| 619 | io_u->end_io = verify_io_u; |
Jens Axboe | d8fab1b | 2008-03-06 10:25:17 +0100 | [diff] [blame] | 620 | td_set_runstate(td, TD_VERIFYING); |
Jens Axboe | b29ee5b | 2008-09-11 10:17:26 +0200 | [diff] [blame] | 621 | } else if (in_ramp_time(td)) |
| 622 | td_set_runstate(td, TD_RAMP); |
| 623 | else |
Jens Axboe | d8fab1b | 2008-03-06 10:25:17 +0100 | [diff] [blame] | 624 | td_set_runstate(td, TD_RUNNING); |
Jens Axboe | b67740d | 2007-07-26 12:22:30 +0200 | [diff] [blame] | 625 | |
Jens Axboe | 1178680 | 2007-03-05 18:33:22 +0100 | [diff] [blame] | 626 | ret = td_io_queue(td, io_u); |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 627 | switch (ret) { |
| 628 | case FIO_Q_COMPLETED: |
Radha Ramachandran | f2bba18 | 2009-06-15 08:40:16 +0200 | [diff] [blame] | 629 | if (io_u->error) { |
Jens Axboe | 5451792 | 2007-03-05 10:06:06 +0100 | [diff] [blame] | 630 | ret = -io_u->error; |
Radha Ramachandran | f2bba18 | 2009-06-15 08:40:16 +0200 | [diff] [blame] | 631 | clear_io_u(td, io_u); |
| 632 | } else if (io_u->resid) { |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 633 | int bytes = io_u->xfer_buflen - io_u->resid; |
Jens Axboe | d460eb3 | 2007-04-16 21:39:33 +0200 | [diff] [blame] | 634 | struct fio_file *f = io_u->file; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 635 | |
Jens Axboe | 9e9d164 | 2007-03-12 09:37:46 +0100 | [diff] [blame] | 636 | /* |
| 637 | * zero read, fail |
| 638 | */ |
| 639 | if (!bytes) { |
Jens Axboe | 41d9f0f | 2008-06-02 12:19:50 +0200 | [diff] [blame] | 640 | td_verror(td, EIO, "full resid"); |
Jens Axboe | 9e9d164 | 2007-03-12 09:37:46 +0100 | [diff] [blame] | 641 | put_io_u(td, io_u); |
| 642 | break; |
| 643 | } |
| 644 | |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 645 | io_u->xfer_buflen = io_u->resid; |
| 646 | io_u->xfer_buf += bytes; |
Jens Axboe | 5a7c568 | 2007-03-28 11:07:20 +0200 | [diff] [blame] | 647 | io_u->offset += bytes; |
| 648 | |
Jens Axboe | 30061b9 | 2007-04-17 13:31:34 +0200 | [diff] [blame] | 649 | td->ts.short_io_u[io_u->ddir]++; |
| 650 | |
Jens Axboe | d460eb3 | 2007-04-16 21:39:33 +0200 | [diff] [blame] | 651 | if (io_u->offset == f->real_file_size) |
Jens Axboe | 5a7c568 | 2007-03-28 11:07:20 +0200 | [diff] [blame] | 652 | goto sync_done; |
| 653 | |
Jens Axboe | 1178680 | 2007-03-05 18:33:22 +0100 | [diff] [blame] | 654 | requeue_io_u(td, &io_u); |
| 655 | } else { |
Jens Axboe | 5a7c568 | 2007-03-28 11:07:20 +0200 | [diff] [blame] | 656 | sync_done: |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 657 | if (__should_check_rate(td, 0) || |
| 658 | __should_check_rate(td, 1)) |
Jens Axboe | 993bf48 | 2008-11-14 13:04:53 +0100 | [diff] [blame] | 659 | fio_gettime(&comp_time, NULL); |
| 660 | |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 661 | ret = io_u_sync_complete(td, io_u, bytes_done); |
| 662 | if (ret < 0) |
| 663 | break; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 664 | } |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 665 | break; |
| 666 | case FIO_Q_QUEUED: |
Jens Axboe | 7e77dd0 | 2007-02-20 10:57:34 +0100 | [diff] [blame] | 667 | /* |
| 668 | * if the engine doesn't have a commit hook, |
| 669 | * the io_u is really queued. if it does have such |
| 670 | * a hook, it has to call io_u_queued() itself. |
| 671 | */ |
| 672 | if (td->io_ops->commit == NULL) |
| 673 | io_u_queued(td, io_u); |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 674 | break; |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 675 | case FIO_Q_BUSY: |
| 676 | requeue_io_u(td, &io_u); |
Jens Axboe | 5451792 | 2007-03-05 10:06:06 +0100 | [diff] [blame] | 677 | ret2 = td_io_commit(td); |
| 678 | if (ret2 < 0) |
| 679 | ret = ret2; |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 680 | break; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 681 | default: |
| 682 | assert(ret < 0); |
| 683 | put_io_u(td, io_u); |
| 684 | break; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 685 | } |
| 686 | |
Radha Ramachandran | f2bba18 | 2009-06-15 08:40:16 +0200 | [diff] [blame] | 687 | if (break_on_this_error(td, &ret)) |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 688 | break; |
| 689 | |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 690 | /* |
| 691 | * See if we need to complete some commands |
| 692 | */ |
Jens Axboe | 4950421 | 2008-06-05 09:03:30 +0200 | [diff] [blame] | 693 | full = queue_full(td) || ret == FIO_Q_BUSY; |
| 694 | if (full || !td->o.iodepth_batch_complete) { |
Radha Ramachandran | 6a96276 | 2009-11-05 08:33:49 +0100 | [diff] [blame] | 695 | min_evts = min(td->o.iodepth_batch_complete, |
| 696 | td->cur_depth); |
Jens Axboe | 4950421 | 2008-06-05 09:03:30 +0200 | [diff] [blame] | 697 | if (full && !min_evts) |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 698 | min_evts = 1; |
Jens Axboe | 4950421 | 2008-06-05 09:03:30 +0200 | [diff] [blame] | 699 | |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 700 | if (__should_check_rate(td, 0) || |
| 701 | __should_check_rate(td, 1)) |
Jens Axboe | 993bf48 | 2008-11-14 13:04:53 +0100 | [diff] [blame] | 702 | fio_gettime(&comp_time, NULL); |
Jens Axboe | 4950421 | 2008-06-05 09:03:30 +0200 | [diff] [blame] | 703 | |
| 704 | do { |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 705 | ret = io_u_queued_complete(td, min_evts, bytes_done); |
| 706 | if (ret < 0) |
Jens Axboe | 4950421 | 2008-06-05 09:03:30 +0200 | [diff] [blame] | 707 | break; |
| 708 | |
Jens Axboe | 4950421 | 2008-06-05 09:03:30 +0200 | [diff] [blame] | 709 | } while (full && (td->cur_depth > td->o.iodepth_low)); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 710 | } |
| 711 | |
Jens Axboe | 4950421 | 2008-06-05 09:03:30 +0200 | [diff] [blame] | 712 | if (ret < 0) |
| 713 | break; |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 714 | if (!(bytes_done[0] + bytes_done[1])) |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 715 | continue; |
| 716 | |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 717 | if (!in_ramp_time(td) && should_check_rate(td, bytes_done)) { |
| 718 | if (check_min_rate(td, &comp_time, bytes_done)) { |
Jens Axboe | 721938a | 2008-09-10 09:46:16 +0200 | [diff] [blame] | 719 | if (exitall_on_terminate) |
| 720 | terminate_threads(td->groupid); |
| 721 | td_verror(td, EIO, "check_min_rate"); |
| 722 | break; |
| 723 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 724 | } |
| 725 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 726 | if (td->o.thinktime) { |
Jens Axboe | 9c1f743 | 2007-01-03 20:43:19 +0100 | [diff] [blame] | 727 | unsigned long long b; |
| 728 | |
| 729 | b = td->io_blocks[0] + td->io_blocks[1]; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 730 | if (!(b % td->o.thinktime_blocks)) { |
Jens Axboe | 48097d5 | 2007-02-17 06:30:44 +0100 | [diff] [blame] | 731 | int left; |
| 732 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 733 | if (td->o.thinktime_spin) |
Jens Axboe | 6dd6f2c | 2008-12-10 13:24:12 +0100 | [diff] [blame] | 734 | usec_spin(td->o.thinktime_spin); |
Jens Axboe | 48097d5 | 2007-02-17 06:30:44 +0100 | [diff] [blame] | 735 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 736 | left = td->o.thinktime - td->o.thinktime_spin; |
Jens Axboe | 48097d5 | 2007-02-17 06:30:44 +0100 | [diff] [blame] | 737 | if (left) |
| 738 | usec_sleep(td, left); |
| 739 | } |
Jens Axboe | 9c1f743 | 2007-01-03 20:43:19 +0100 | [diff] [blame] | 740 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 741 | } |
| 742 | |
Shawn Lewis | aa31f1f | 2008-01-11 09:45:11 +0100 | [diff] [blame] | 743 | if (td->o.fill_device && td->error == ENOSPC) { |
| 744 | td->error = 0; |
| 745 | td->terminate = 1; |
| 746 | } |
Jens Axboe | 4d2413c | 2006-11-23 11:58:59 +0100 | [diff] [blame] | 747 | if (!td->error) { |
Jens Axboe | 3d7c391 | 2007-02-19 13:16:12 +0100 | [diff] [blame] | 748 | struct fio_file *f; |
| 749 | |
Jens Axboe | c01c039 | 2007-02-26 12:43:42 +0100 | [diff] [blame] | 750 | i = td->cur_depth; |
| 751 | if (i) |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 752 | ret = io_u_queued_complete(td, i, NULL); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 753 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 754 | if (should_fsync(td) && td->o.end_fsync) { |
Jens Axboe | 8458500 | 2006-10-19 20:26:22 +0200 | [diff] [blame] | 755 | td_set_runstate(td, TD_FSYNCING); |
Jens Axboe | 3d7b485 | 2007-03-13 14:50:28 +0100 | [diff] [blame] | 756 | |
| 757 | for_each_file(td, f, i) { |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 758 | if (!fio_file_open(f)) |
Jens Axboe | 3d7b485 | 2007-03-13 14:50:28 +0100 | [diff] [blame] | 759 | continue; |
Jens Axboe | 858a3d4 | 2006-10-24 14:54:44 +0200 | [diff] [blame] | 760 | fio_io_sync(td, f); |
Jens Axboe | 3d7b485 | 2007-03-13 14:50:28 +0100 | [diff] [blame] | 761 | } |
Jens Axboe | 8458500 | 2006-10-19 20:26:22 +0200 | [diff] [blame] | 762 | } |
Jens Axboe | c01c039 | 2007-02-26 12:43:42 +0100 | [diff] [blame] | 763 | } else |
| 764 | cleanup_pending_aio(td); |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 765 | |
| 766 | /* |
| 767 | * stop job if we failed doing any IO |
| 768 | */ |
| 769 | if ((td->this_io_bytes[0] + td->this_io_bytes[1]) == 0) |
| 770 | td->done = 1; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 771 | } |
| 772 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 773 | static void cleanup_io_u(struct thread_data *td) |
| 774 | { |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 775 | struct flist_head *entry, *n; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 776 | struct io_u *io_u; |
| 777 | |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 778 | flist_for_each_safe(entry, n, &td->io_u_freelist) { |
| 779 | io_u = flist_entry(entry, struct io_u, list); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 780 | |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 781 | flist_del(&io_u->list); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 782 | free(io_u); |
| 783 | } |
| 784 | |
Jens Axboe | 2f9ade3 | 2006-10-20 11:25:52 +0200 | [diff] [blame] | 785 | free_io_mem(td); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 786 | } |
| 787 | |
| 788 | static int init_io_u(struct thread_data *td) |
| 789 | { |
| 790 | struct io_u *io_u; |
Jens Axboe | a00735e | 2006-11-03 08:58:08 +0100 | [diff] [blame] | 791 | unsigned int max_bs; |
Jens Axboe | eb7ccf3 | 2009-04-29 09:48:04 +0200 | [diff] [blame] | 792 | int cl_align, i, max_units; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 793 | char *p; |
| 794 | |
Jens Axboe | 1e3c09a | 2008-02-04 10:48:13 +0100 | [diff] [blame] | 795 | max_units = td->o.iodepth; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 796 | 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] | 797 | td->orig_buffer_size = (unsigned long long) max_bs |
| 798 | * (unsigned long long) max_units; |
Jens Axboe | 74b025b | 2006-12-19 15:18:14 +0100 | [diff] [blame] | 799 | |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 800 | if (td->o.mem_type == MEM_SHMHUGE || td->o.mem_type == MEM_MMAPHUGE) { |
| 801 | unsigned long bs; |
| 802 | |
| 803 | bs = td->orig_buffer_size + td->o.hugepage_size - 1; |
| 804 | td->orig_buffer_size = bs & ~(td->o.hugepage_size - 1); |
| 805 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 806 | |
Jens Axboe | c399064 | 2007-07-19 10:17:09 +0200 | [diff] [blame] | 807 | if (td->orig_buffer_size != (size_t) td->orig_buffer_size) { |
| 808 | log_err("fio: IO memory too large. Reduce max_bs or iodepth\n"); |
| 809 | return 1; |
| 810 | } |
| 811 | |
Jens Axboe | 2f9ade3 | 2006-10-20 11:25:52 +0200 | [diff] [blame] | 812 | if (allocate_io_mem(td)) |
| 813 | return 1; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 814 | |
Jens Axboe | fc966be | 2009-07-03 08:30:15 +0200 | [diff] [blame] | 815 | if (td->o.odirect || td->o.mem_align) |
Jens Axboe | d529ee1 | 2009-07-01 10:33:03 +0200 | [diff] [blame] | 816 | p = PAGE_ALIGN(td->orig_buffer) + td->o.mem_align; |
Jens Axboe | b3f378e | 2007-07-20 12:39:22 +0200 | [diff] [blame] | 817 | else |
| 818 | p = td->orig_buffer; |
| 819 | |
Jens Axboe | eb7ccf3 | 2009-04-29 09:48:04 +0200 | [diff] [blame] | 820 | cl_align = os_cache_line_size(); |
| 821 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 822 | for (i = 0; i < max_units; i++) { |
Jens Axboe | eb7ccf3 | 2009-04-29 09:48:04 +0200 | [diff] [blame] | 823 | void *ptr; |
| 824 | |
Jens Axboe | db1cd90 | 2007-04-26 13:47:07 +0200 | [diff] [blame] | 825 | if (td->terminate) |
| 826 | return 1; |
Jens Axboe | eb7ccf3 | 2009-04-29 09:48:04 +0200 | [diff] [blame] | 827 | |
| 828 | if (posix_memalign(&ptr, cl_align, sizeof(*io_u))) { |
| 829 | log_err("fio: posix_memalign=%s\n", strerror(errno)); |
| 830 | break; |
| 831 | } |
| 832 | |
| 833 | io_u = ptr; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 834 | memset(io_u, 0, sizeof(*io_u)); |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 835 | INIT_FLIST_HEAD(&io_u->list); |
Jens Axboe | d529ee1 | 2009-07-01 10:33:03 +0200 | [diff] [blame] | 836 | dprint(FD_MEM, "io_u alloc %p, index %u\n", io_u, i); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 837 | |
Jens Axboe | b4c5e1a | 2007-10-25 18:44:45 +0200 | [diff] [blame] | 838 | if (!(td->io_ops->flags & FIO_NOIO)) { |
| 839 | io_u->buf = p + max_bs * i; |
Jens Axboe | d529ee1 | 2009-07-01 10:33:03 +0200 | [diff] [blame] | 840 | dprint(FD_MEM, "io_u %p, mem %p\n", io_u, io_u->buf); |
Jens Axboe | e9459e5 | 2007-04-17 15:46:32 +0200 | [diff] [blame] | 841 | |
Jens Axboe | 5973caf | 2008-05-21 19:52:35 +0200 | [diff] [blame] | 842 | if (td_write(td) && !td->o.refill_buffers) |
| 843 | io_u_fill_buffer(td, io_u, max_bs); |
Jens Axboe | b4c5e1a | 2007-10-25 18:44:45 +0200 | [diff] [blame] | 844 | } |
Jens Axboe | 6b9cea2 | 2006-10-30 17:00:24 +0100 | [diff] [blame] | 845 | |
Jens Axboe | b1ff340 | 2006-02-17 11:35:58 +0100 | [diff] [blame] | 846 | io_u->index = i; |
Jens Axboe | 0c6e751 | 2007-02-22 11:19:39 +0100 | [diff] [blame] | 847 | io_u->flags = IO_U_F_FREE; |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 848 | flist_add(&io_u->list, &td->io_u_freelist); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 849 | } |
| 850 | |
| 851 | return 0; |
| 852 | } |
| 853 | |
Jens Axboe | da86774 | 2006-06-06 10:39:10 -0700 | [diff] [blame] | 854 | static int switch_ioscheduler(struct thread_data *td) |
| 855 | { |
| 856 | char tmp[256], tmp2[128]; |
| 857 | FILE *f; |
| 858 | int ret; |
| 859 | |
Jens Axboe | ba0fbe1 | 2007-03-09 14:34:23 +0100 | [diff] [blame] | 860 | if (td->io_ops->flags & FIO_DISKLESSIO) |
Jens Axboe | f48b467 | 2006-10-27 11:30:07 +0200 | [diff] [blame] | 861 | return 0; |
| 862 | |
Jens Axboe | da86774 | 2006-06-06 10:39:10 -0700 | [diff] [blame] | 863 | sprintf(tmp, "%s/queue/scheduler", td->sysfs_root); |
| 864 | |
| 865 | f = fopen(tmp, "r+"); |
| 866 | if (!f) { |
Jens Axboe | cbf5c1d | 2007-04-16 12:56:00 +0200 | [diff] [blame] | 867 | if (errno == ENOENT) { |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 868 | log_err("fio: os or kernel doesn't support IO scheduler" |
| 869 | " switching\n"); |
Jens Axboe | cbf5c1d | 2007-04-16 12:56:00 +0200 | [diff] [blame] | 870 | return 0; |
| 871 | } |
| 872 | td_verror(td, errno, "fopen iosched"); |
Jens Axboe | da86774 | 2006-06-06 10:39:10 -0700 | [diff] [blame] | 873 | return 1; |
| 874 | } |
| 875 | |
| 876 | /* |
| 877 | * Set io scheduler. |
| 878 | */ |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 879 | ret = fwrite(td->o.ioscheduler, strlen(td->o.ioscheduler), 1, f); |
Jens Axboe | da86774 | 2006-06-06 10:39:10 -0700 | [diff] [blame] | 880 | if (ferror(f) || ret != 1) { |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 881 | td_verror(td, errno, "fwrite"); |
Jens Axboe | da86774 | 2006-06-06 10:39:10 -0700 | [diff] [blame] | 882 | fclose(f); |
| 883 | return 1; |
| 884 | } |
| 885 | |
| 886 | rewind(f); |
| 887 | |
| 888 | /* |
| 889 | * Read back and check that the selected scheduler is now the default. |
| 890 | */ |
| 891 | ret = fread(tmp, 1, sizeof(tmp), f); |
| 892 | if (ferror(f) || ret < 0) { |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 893 | td_verror(td, errno, "fread"); |
Jens Axboe | da86774 | 2006-06-06 10:39:10 -0700 | [diff] [blame] | 894 | fclose(f); |
| 895 | return 1; |
| 896 | } |
| 897 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 898 | sprintf(tmp2, "[%s]", td->o.ioscheduler); |
Jens Axboe | da86774 | 2006-06-06 10:39:10 -0700 | [diff] [blame] | 899 | if (!strstr(tmp, tmp2)) { |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 900 | log_err("fio: io scheduler %s not found\n", td->o.ioscheduler); |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 901 | td_verror(td, EINVAL, "iosched_switch"); |
Jens Axboe | da86774 | 2006-06-06 10:39:10 -0700 | [diff] [blame] | 902 | fclose(f); |
| 903 | return 1; |
| 904 | } |
| 905 | |
| 906 | fclose(f); |
| 907 | return 0; |
| 908 | } |
| 909 | |
Jens Axboe | 492158c | 2007-05-24 10:32:47 +0200 | [diff] [blame] | 910 | static int keep_running(struct thread_data *td) |
| 911 | { |
| 912 | unsigned long long io_done; |
| 913 | |
Jens Axboe | 20e354e | 2007-07-23 14:36:16 +0200 | [diff] [blame] | 914 | if (td->done) |
| 915 | return 0; |
Jens Axboe | 492158c | 2007-05-24 10:32:47 +0200 | [diff] [blame] | 916 | if (td->o.time_based) |
| 917 | return 1; |
| 918 | if (td->o.loops) { |
| 919 | td->o.loops--; |
| 920 | return 1; |
| 921 | } |
| 922 | |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 923 | io_done = td->io_bytes[DDIR_READ] + td->io_bytes[DDIR_WRITE] |
| 924 | + td->io_skip_bytes; |
Jens Axboe | 492158c | 2007-05-24 10:32:47 +0200 | [diff] [blame] | 925 | if (io_done < td->o.size) |
| 926 | return 1; |
| 927 | |
| 928 | return 0; |
| 929 | } |
| 930 | |
Jens Axboe | b29ee5b | 2008-09-11 10:17:26 +0200 | [diff] [blame] | 931 | static void reset_io_counters(struct thread_data *td) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 932 | { |
Jens Axboe | 756867b | 2007-03-06 15:19:24 +0100 | [diff] [blame] | 933 | 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] | 934 | td->this_io_bytes[0] = td->this_io_bytes[1] = 0; |
Jens Axboe | 20dc95c | 2005-12-09 10:29:35 +0100 | [diff] [blame] | 935 | td->zone_bytes = 0; |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 936 | td->rate_bytes[0] = td->rate_bytes[1] = 0; |
| 937 | td->rate_blocks[0] = td->rate_blocks[1] = 0; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 938 | |
Jens Axboe | c1324df | 2007-02-19 19:06:41 +0100 | [diff] [blame] | 939 | td->last_was_sync = 0; |
| 940 | |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 941 | /* |
| 942 | * reset file done count if we are to start over |
| 943 | */ |
| 944 | if (td->o.time_based || td->o.loops) |
Jens Axboe | 48f5abd | 2007-07-20 13:25:04 +0200 | [diff] [blame] | 945 | td->nr_done_files = 0; |
Jens Axboe | 5bfc35d | 2009-04-07 13:28:12 +0200 | [diff] [blame] | 946 | |
| 947 | /* |
| 948 | * Set the same seed to get repeatable runs |
| 949 | */ |
| 950 | td_fill_rand_seeds(td); |
Jens Axboe | b29ee5b | 2008-09-11 10:17:26 +0200 | [diff] [blame] | 951 | } |
| 952 | |
| 953 | void reset_all_stats(struct thread_data *td) |
| 954 | { |
| 955 | struct timeval tv; |
| 956 | int i; |
| 957 | |
| 958 | reset_io_counters(td); |
| 959 | |
| 960 | for (i = 0; i < 2; i++) { |
| 961 | td->io_bytes[i] = 0; |
| 962 | td->io_blocks[i] = 0; |
| 963 | td->io_issues[i] = 0; |
| 964 | td->ts.total_io_u[i] = 0; |
| 965 | } |
| 966 | |
| 967 | fio_gettime(&tv, NULL); |
| 968 | memcpy(&td->epoch, &tv, sizeof(tv)); |
| 969 | memcpy(&td->start, &tv, sizeof(tv)); |
| 970 | } |
| 971 | |
Jens Axboe | df9c26b | 2009-03-05 10:13:58 +0100 | [diff] [blame] | 972 | static void clear_io_state(struct thread_data *td) |
Jens Axboe | b29ee5b | 2008-09-11 10:17:26 +0200 | [diff] [blame] | 973 | { |
| 974 | struct fio_file *f; |
| 975 | unsigned int i; |
Jens Axboe | b29ee5b | 2008-09-11 10:17:26 +0200 | [diff] [blame] | 976 | |
| 977 | reset_io_counters(td); |
Jens Axboe | 281f9b6 | 2007-05-23 09:34:42 +0200 | [diff] [blame] | 978 | |
Jens Axboe | 24ffd2c | 2008-03-01 15:47:08 +0100 | [diff] [blame] | 979 | close_files(td); |
Jens Axboe | df9c26b | 2009-03-05 10:13:58 +0100 | [diff] [blame] | 980 | for_each_file(td, f, i) |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 981 | fio_file_clear_done(f); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 982 | } |
| 983 | |
Jens Axboe | 398e8c4 | 2009-05-20 12:10:02 +0200 | [diff] [blame] | 984 | static int exec_string(const char *string) |
| 985 | { |
| 986 | int ret, newlen = strlen(string) + 1 + 8; |
| 987 | char *str; |
| 988 | |
| 989 | str = malloc(newlen); |
| 990 | sprintf(str, "sh -c %s", string); |
| 991 | |
| 992 | ret = system(str); |
| 993 | if (ret == -1) |
| 994 | log_err("fio: exec of cmd <%s> failed\n", str); |
| 995 | |
| 996 | free(str); |
| 997 | return ret; |
| 998 | } |
| 999 | |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 1000 | /* |
| 1001 | * Entry point for the thread based jobs. The process based jobs end up |
| 1002 | * here as well, after a little setup. |
| 1003 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1004 | static void *thread_main(void *data) |
| 1005 | { |
Shawn Lewis | 1092731 | 2007-11-21 09:38:13 +0100 | [diff] [blame] | 1006 | unsigned long long runtime[2], elapsed; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1007 | struct thread_data *td = data; |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1008 | pthread_condattr_t attr; |
Jens Axboe | a978ba6 | 2007-03-08 14:29:03 +0100 | [diff] [blame] | 1009 | int clear_state; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1010 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 1011 | if (!td->o.use_thread) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1012 | setsid(); |
| 1013 | |
| 1014 | td->pid = getpid(); |
| 1015 | |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 1016 | dprint(FD_PROCESS, "jobs pid=%d started\n", (int) td->pid); |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 1017 | |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 1018 | INIT_FLIST_HEAD(&td->io_u_freelist); |
| 1019 | INIT_FLIST_HEAD(&td->io_u_busylist); |
| 1020 | INIT_FLIST_HEAD(&td->io_u_requeues); |
| 1021 | INIT_FLIST_HEAD(&td->io_log_list); |
| 1022 | INIT_FLIST_HEAD(&td->io_hist_list); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1023 | INIT_FLIST_HEAD(&td->verify_list); |
| 1024 | pthread_mutex_init(&td->io_u_lock, NULL); |
Jens Axboe | bb5d7d0 | 2007-03-27 10:21:25 +0200 | [diff] [blame] | 1025 | td->io_hist_tree = RB_ROOT; |
Jens Axboe | aea47d4 | 2006-05-26 19:27:29 +0200 | [diff] [blame] | 1026 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1027 | pthread_condattr_init(&attr); |
| 1028 | pthread_cond_init(&td->verify_cond, &attr); |
| 1029 | pthread_cond_init(&td->free_cond, &attr); |
| 1030 | |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 1031 | td_set_runstate(td, TD_INITIALIZED); |
Jens Axboe | 29adda3 | 2009-01-05 19:06:39 +0100 | [diff] [blame] | 1032 | dprint(FD_MUTEX, "up startup_mutex\n"); |
Jens Axboe | cdd18ad | 2008-02-27 18:58:00 +0100 | [diff] [blame] | 1033 | fio_mutex_up(startup_mutex); |
Jens Axboe | 29adda3 | 2009-01-05 19:06:39 +0100 | [diff] [blame] | 1034 | dprint(FD_MUTEX, "wait on td->mutex\n"); |
Jens Axboe | cdd18ad | 2008-02-27 18:58:00 +0100 | [diff] [blame] | 1035 | fio_mutex_down(td->mutex); |
Jens Axboe | 29adda3 | 2009-01-05 19:06:39 +0100 | [diff] [blame] | 1036 | dprint(FD_MUTEX, "done waiting on td->mutex\n"); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1037 | |
Jens Axboe | 37f5687 | 2007-03-09 12:42:35 +0100 | [diff] [blame] | 1038 | /* |
Jens Axboe | cdd18ad | 2008-02-27 18:58:00 +0100 | [diff] [blame] | 1039 | * the ->mutex mutex is now no longer used, close it to avoid |
Jens Axboe | 37f5687 | 2007-03-09 12:42:35 +0100 | [diff] [blame] | 1040 | * eating a file descriptor |
| 1041 | */ |
Jens Axboe | cdd18ad | 2008-02-27 18:58:00 +0100 | [diff] [blame] | 1042 | fio_mutex_remove(td->mutex); |
Jens Axboe | 37f5687 | 2007-03-09 12:42:35 +0100 | [diff] [blame] | 1043 | |
Jens Axboe | e0b0d89 | 2009-12-08 10:10:14 +0100 | [diff] [blame^] | 1044 | if (td->o.uid != -1U && setuid(td->o.uid)) { |
| 1045 | td_verror(td, errno, "setuid"); |
| 1046 | goto err; |
| 1047 | } |
| 1048 | if (td->o.gid != -1U && setgid(td->o.gid)) { |
| 1049 | td_verror(td, errno, "setgid"); |
| 1050 | goto err; |
| 1051 | } |
| 1052 | |
Jens Axboe | d84f8d4 | 2007-05-16 08:47:46 +0200 | [diff] [blame] | 1053 | /* |
| 1054 | * May alter parameters that init_io_u() will use, so we need to |
| 1055 | * do this first. |
| 1056 | */ |
| 1057 | if (init_iolog(td)) |
| 1058 | goto err; |
| 1059 | |
Jens Axboe | db1cd90 | 2007-04-26 13:47:07 +0200 | [diff] [blame] | 1060 | if (init_io_u(td)) |
| 1061 | goto err; |
| 1062 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1063 | if (td->o.verify_async && verify_async_init(td)) |
| 1064 | goto err; |
| 1065 | |
| 1066 | if (td->o.cpumask_set && fio_setaffinity(td->pid, td->o.cpumask) == -1) { |
Jens Axboe | db1cd90 | 2007-04-26 13:47:07 +0200 | [diff] [blame] | 1067 | td_verror(td, errno, "cpu_set_affinity"); |
| 1068 | goto err; |
| 1069 | } |
| 1070 | |
Jens Axboe | f484470 | 2008-12-09 08:04:29 +0100 | [diff] [blame] | 1071 | /* |
| 1072 | * If we have a gettimeofday() thread, make sure we exclude that |
| 1073 | * thread from this job |
| 1074 | */ |
Jens Axboe | be4ecfd | 2008-12-08 14:10:52 +0100 | [diff] [blame] | 1075 | if (td->o.gtod_cpu) { |
Jens Axboe | be4ecfd | 2008-12-08 14:10:52 +0100 | [diff] [blame] | 1076 | fio_cpu_clear(&td->o.cpumask, td->o.gtod_cpu); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1077 | if (fio_setaffinity(td->pid, td->o.cpumask) == -1) { |
Jens Axboe | be4ecfd | 2008-12-08 14:10:52 +0100 | [diff] [blame] | 1078 | td_verror(td, errno, "cpu_set_affinity"); |
| 1079 | goto err; |
| 1080 | } |
| 1081 | } |
| 1082 | |
Jens Axboe | ac68478 | 2007-11-08 08:29:07 +0100 | [diff] [blame] | 1083 | if (td->ioprio_set) { |
Jens Axboe | db1cd90 | 2007-04-26 13:47:07 +0200 | [diff] [blame] | 1084 | if (ioprio_set(IOPRIO_WHO_PROCESS, 0, td->ioprio) == -1) { |
| 1085 | td_verror(td, errno, "ioprio_set"); |
| 1086 | goto err; |
| 1087 | } |
| 1088 | } |
| 1089 | |
Jens Axboe | 6adb38a | 2009-12-07 08:01:26 +0100 | [diff] [blame] | 1090 | if (td->o.cgroup_weight && cgroup_setup(td, cgroup_list, &cgroup_mnt)) |
Jens Axboe | a696fa2 | 2009-12-04 10:05:02 +0100 | [diff] [blame] | 1091 | goto err; |
| 1092 | |
Jens Axboe | db1cd90 | 2007-04-26 13:47:07 +0200 | [diff] [blame] | 1093 | if (nice(td->o.nice) == -1) { |
| 1094 | td_verror(td, errno, "nice"); |
| 1095 | goto err; |
| 1096 | } |
| 1097 | |
| 1098 | if (td->o.ioscheduler && switch_ioscheduler(td)) |
| 1099 | goto err; |
| 1100 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 1101 | if (!td->o.create_serialize && setup_files(td)) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1102 | goto err; |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 1103 | |
| 1104 | if (td_io_init(td)) |
Jens Axboe | 21972cd | 2006-11-23 12:39:16 +0100 | [diff] [blame] | 1105 | goto err; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1106 | |
Jens Axboe | 6872707 | 2007-03-15 20:49:25 +0100 | [diff] [blame] | 1107 | if (init_random_map(td)) |
| 1108 | goto err; |
| 1109 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 1110 | if (td->o.exec_prerun) { |
Jens Axboe | 398e8c4 | 2009-05-20 12:10:02 +0200 | [diff] [blame] | 1111 | if (exec_string(td->o.exec_prerun)) |
Jens Axboe | 69cfd7e | 2007-02-07 13:58:53 +0100 | [diff] [blame] | 1112 | goto err; |
| 1113 | } |
Jens Axboe | 4e0ba8a | 2006-06-06 09:36:28 +0200 | [diff] [blame] | 1114 | |
Zhang, Yanmin | afad68f | 2009-05-20 11:30:55 +0200 | [diff] [blame] | 1115 | if (td->o.pre_read) { |
| 1116 | if (pre_read_files(td) < 0) |
| 1117 | goto err; |
| 1118 | } |
| 1119 | |
Jens Axboe | 6900899 | 2006-11-24 13:12:56 +0100 | [diff] [blame] | 1120 | fio_gettime(&td->epoch, NULL); |
Jens Axboe | 756867b | 2007-03-06 15:19:24 +0100 | [diff] [blame] | 1121 | getrusage(RUSAGE_SELF, &td->ts.ru_start); |
Jens Axboe | 6900899 | 2006-11-24 13:12:56 +0100 | [diff] [blame] | 1122 | |
| 1123 | runtime[0] = runtime[1] = 0; |
Jens Axboe | a978ba6 | 2007-03-08 14:29:03 +0100 | [diff] [blame] | 1124 | clear_state = 0; |
Jens Axboe | 492158c | 2007-05-24 10:32:47 +0200 | [diff] [blame] | 1125 | while (keep_running(td)) { |
Jens Axboe | 02bcaa8 | 2006-11-24 10:42:00 +0100 | [diff] [blame] | 1126 | fio_gettime(&td->start, NULL); |
Jens Axboe | c5d3d79 | 2009-07-31 11:20:52 +0200 | [diff] [blame] | 1127 | memcpy(&td->ts.stat_sample_time[0], &td->start, |
| 1128 | sizeof(td->start)); |
| 1129 | memcpy(&td->ts.stat_sample_time[1], &td->start, |
| 1130 | sizeof(td->start)); |
Jens Axboe | 993bf48 | 2008-11-14 13:04:53 +0100 | [diff] [blame] | 1131 | memcpy(&td->tv_cache, &td->start, sizeof(td->start)); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1132 | |
Jens Axboe | cf2dd8d | 2009-06-09 12:58:37 +0200 | [diff] [blame] | 1133 | if (td->o.ratemin[0] || td->o.ratemin[1]) |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 1134 | memcpy(&td->lastrate, &td->ts.stat_sample_time, |
| 1135 | sizeof(td->lastrate)); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1136 | |
Jens Axboe | df9c26b | 2009-03-05 10:13:58 +0100 | [diff] [blame] | 1137 | if (clear_state) |
| 1138 | clear_io_state(td); |
Jens Axboe | a978ba6 | 2007-03-08 14:29:03 +0100 | [diff] [blame] | 1139 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1140 | prune_io_piece_log(td); |
| 1141 | |
Jens Axboe | ba0fbe1 | 2007-03-09 14:34:23 +0100 | [diff] [blame] | 1142 | do_io(td); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1143 | |
Jens Axboe | a978ba6 | 2007-03-08 14:29:03 +0100 | [diff] [blame] | 1144 | clear_state = 1; |
| 1145 | |
Jens Axboe | 38d77ca | 2007-03-21 14:20:20 +0100 | [diff] [blame] | 1146 | if (td_read(td) && td->io_bytes[DDIR_READ]) { |
Jens Axboe | 0a4957c | 2009-06-03 10:30:33 +0200 | [diff] [blame] | 1147 | elapsed = utime_since_now(&td->start); |
Jens Axboe | 38d77ca | 2007-03-21 14:20:20 +0100 | [diff] [blame] | 1148 | runtime[DDIR_READ] += elapsed; |
| 1149 | } |
| 1150 | if (td_write(td) && td->io_bytes[DDIR_WRITE]) { |
Jens Axboe | 0a4957c | 2009-06-03 10:30:33 +0200 | [diff] [blame] | 1151 | elapsed = utime_since_now(&td->start); |
Jens Axboe | 38d77ca | 2007-03-21 14:20:20 +0100 | [diff] [blame] | 1152 | runtime[DDIR_WRITE] += elapsed; |
| 1153 | } |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 1154 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1155 | if (td->error || td->terminate) |
| 1156 | break; |
| 1157 | |
Shawn Lewis | e84c73a | 2007-08-02 22:19:32 +0200 | [diff] [blame] | 1158 | if (!td->o.do_verify || |
| 1159 | td->o.verify == VERIFY_NONE || |
Jens Axboe | b67740d | 2007-07-26 12:22:30 +0200 | [diff] [blame] | 1160 | (td->io_ops->flags & FIO_UNIDIR)) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1161 | continue; |
| 1162 | |
Jens Axboe | df9c26b | 2009-03-05 10:13:58 +0100 | [diff] [blame] | 1163 | clear_io_state(td); |
Jens Axboe | a978ba6 | 2007-03-08 14:29:03 +0100 | [diff] [blame] | 1164 | |
Jens Axboe | 02bcaa8 | 2006-11-24 10:42:00 +0100 | [diff] [blame] | 1165 | fio_gettime(&td->start, NULL); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1166 | |
| 1167 | do_verify(td); |
| 1168 | |
Jens Axboe | 6900899 | 2006-11-24 13:12:56 +0100 | [diff] [blame] | 1169 | runtime[DDIR_READ] += utime_since_now(&td->start); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1170 | |
| 1171 | if (td->error || td->terminate) |
| 1172 | break; |
| 1173 | } |
| 1174 | |
Jens Axboe | 36dff96 | 2006-11-24 13:29:20 +0100 | [diff] [blame] | 1175 | update_rusage_stat(td); |
ljzhang,Yaxin Hu,Jianchao Tang | 47f0cc4 | 2007-07-26 11:00:29 +0200 | [diff] [blame] | 1176 | td->ts.runtime[0] = (runtime[0] + 999) / 1000; |
| 1177 | td->ts.runtime[1] = (runtime[1] + 999) / 1000; |
Jens Axboe | 756867b | 2007-03-06 15:19:24 +0100 | [diff] [blame] | 1178 | td->ts.total_run_time = mtime_since_now(&td->epoch); |
| 1179 | td->ts.io_bytes[0] = td->io_bytes[0]; |
| 1180 | td->ts.io_bytes[1] = td->io_bytes[1]; |
Jens Axboe | 6900899 | 2006-11-24 13:12:56 +0100 | [diff] [blame] | 1181 | |
Fabio Checconi | d2bbb8d | 2009-05-18 12:54:50 +0200 | [diff] [blame] | 1182 | fio_mutex_down(writeout_mutex); |
Jens Axboe | e3cedca | 2008-11-19 19:57:52 +0100 | [diff] [blame] | 1183 | if (td->ts.bw_log) { |
Jens Axboe | f484470 | 2008-12-09 08:04:29 +0100 | [diff] [blame] | 1184 | if (td->o.bw_log_file) { |
| 1185 | finish_log_named(td, td->ts.bw_log, |
| 1186 | td->o.bw_log_file, "bw"); |
| 1187 | } else |
Jens Axboe | e3cedca | 2008-11-19 19:57:52 +0100 | [diff] [blame] | 1188 | finish_log(td, td->ts.bw_log, "bw"); |
| 1189 | } |
| 1190 | if (td->ts.slat_log) { |
Jens Axboe | f484470 | 2008-12-09 08:04:29 +0100 | [diff] [blame] | 1191 | if (td->o.lat_log_file) { |
| 1192 | finish_log_named(td, td->ts.slat_log, |
Radha Ramachandran | 1ca9573 | 2009-04-29 07:23:26 +0200 | [diff] [blame] | 1193 | td->o.lat_log_file, "slat"); |
Jens Axboe | f484470 | 2008-12-09 08:04:29 +0100 | [diff] [blame] | 1194 | } else |
Jens Axboe | e3cedca | 2008-11-19 19:57:52 +0100 | [diff] [blame] | 1195 | finish_log(td, td->ts.slat_log, "slat"); |
| 1196 | } |
| 1197 | if (td->ts.clat_log) { |
Jens Axboe | f484470 | 2008-12-09 08:04:29 +0100 | [diff] [blame] | 1198 | if (td->o.lat_log_file) { |
| 1199 | finish_log_named(td, td->ts.clat_log, |
| 1200 | td->o.lat_log_file, "clat"); |
| 1201 | } else |
Jens Axboe | e3cedca | 2008-11-19 19:57:52 +0100 | [diff] [blame] | 1202 | finish_log(td, td->ts.clat_log, "clat"); |
| 1203 | } |
Fabio Checconi | d2bbb8d | 2009-05-18 12:54:50 +0200 | [diff] [blame] | 1204 | fio_mutex_up(writeout_mutex); |
Jens Axboe | 398e8c4 | 2009-05-20 12:10:02 +0200 | [diff] [blame] | 1205 | if (td->o.exec_postrun) |
| 1206 | exec_string(td->o.exec_postrun); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1207 | |
| 1208 | if (exitall_on_terminate) |
Jens Axboe | 390c40e | 2007-03-05 12:35:29 +0100 | [diff] [blame] | 1209 | terminate_threads(td->groupid); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1210 | |
| 1211 | err: |
Jens Axboe | 5bf13a5 | 2007-02-17 01:51:47 +0100 | [diff] [blame] | 1212 | if (td->error) |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 1213 | 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] | 1214 | td->verror); |
Jens Axboe | b4707ed | 2009-11-04 12:51:17 +0100 | [diff] [blame] | 1215 | |
| 1216 | if (td->o.verify_async) |
| 1217 | verify_async_exit(td); |
| 1218 | |
Jens Axboe | 24ffd2c | 2008-03-01 15:47:08 +0100 | [diff] [blame] | 1219 | close_and_free_files(td); |
Jens Axboe | 2866c82 | 2006-10-09 15:57:48 +0200 | [diff] [blame] | 1220 | close_ioengine(td); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1221 | cleanup_io_u(td); |
Jens Axboe | 6adb38a | 2009-12-07 08:01:26 +0100 | [diff] [blame] | 1222 | cgroup_shutdown(td, &cgroup_mnt); |
Jens Axboe | f29b25a | 2007-07-23 08:56:43 +0200 | [diff] [blame] | 1223 | |
Jens Axboe | d2ce18b | 2008-12-12 20:51:40 +0100 | [diff] [blame] | 1224 | if (td->o.cpumask_set) { |
| 1225 | int ret = fio_cpuset_exit(&td->o.cpumask); |
| 1226 | |
| 1227 | td_verror(td, ret, "fio_cpuset_exit"); |
| 1228 | } |
Jens Axboe | 4e78e40 | 2008-12-12 20:40:27 +0100 | [diff] [blame] | 1229 | |
Jens Axboe | f29b25a | 2007-07-23 08:56:43 +0200 | [diff] [blame] | 1230 | /* |
| 1231 | * do this very late, it will log file closing as well |
| 1232 | */ |
| 1233 | if (td->o.write_iolog_file) |
| 1234 | write_iolog_close(td); |
| 1235 | |
Jens Axboe | d23bb32 | 2007-03-23 15:57:56 +0100 | [diff] [blame] | 1236 | options_mem_free(td); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1237 | td_set_runstate(td, TD_EXITED); |
Jens Axboe | 43d7680 | 2007-02-21 16:35:29 +0100 | [diff] [blame] | 1238 | return (void *) (unsigned long) td->error; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1239 | } |
| 1240 | |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 1241 | /* |
| 1242 | * We cannot pass the td data into a forked process, so attach the td and |
| 1243 | * pass it to the thread worker. |
| 1244 | */ |
Jens Axboe | a641814 | 2007-02-17 04:47:18 +0100 | [diff] [blame] | 1245 | static int fork_main(int shmid, int offset) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1246 | { |
| 1247 | struct thread_data *td; |
Jens Axboe | a641814 | 2007-02-17 04:47:18 +0100 | [diff] [blame] | 1248 | void *data, *ret; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1249 | |
| 1250 | data = shmat(shmid, NULL, 0); |
| 1251 | if (data == (void *) -1) { |
Jens Axboe | a641814 | 2007-02-17 04:47:18 +0100 | [diff] [blame] | 1252 | int __err = errno; |
| 1253 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1254 | perror("shmat"); |
Jens Axboe | a641814 | 2007-02-17 04:47:18 +0100 | [diff] [blame] | 1255 | return __err; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1256 | } |
| 1257 | |
| 1258 | td = data + offset * sizeof(struct thread_data); |
Jens Axboe | a641814 | 2007-02-17 04:47:18 +0100 | [diff] [blame] | 1259 | ret = thread_main(td); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1260 | shmdt(data); |
Jens Axboe | 43d7680 | 2007-02-21 16:35:29 +0100 | [diff] [blame] | 1261 | return (int) (unsigned long) ret; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1262 | } |
| 1263 | |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 1264 | /* |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 1265 | * Run over the job map and reap the threads that have exited, if any. |
| 1266 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1267 | static void reap_threads(int *nr_running, int *t_rate, int *m_rate) |
| 1268 | { |
Jens Axboe | 34572e2 | 2006-10-20 09:33:18 +0200 | [diff] [blame] | 1269 | struct thread_data *td; |
Jens Axboe | 1f809d1 | 2007-10-25 18:34:02 +0200 | [diff] [blame] | 1270 | int i, cputhreads, realthreads, pending, status, ret; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1271 | |
| 1272 | /* |
| 1273 | * reap exited threads (TD_EXITED -> TD_REAPED) |
| 1274 | */ |
Jens Axboe | 1f809d1 | 2007-10-25 18:34:02 +0200 | [diff] [blame] | 1275 | realthreads = pending = cputhreads = 0; |
Jens Axboe | 34572e2 | 2006-10-20 09:33:18 +0200 | [diff] [blame] | 1276 | for_each_td(td, i) { |
Jens Axboe | 3707f45 | 2007-02-22 12:26:57 +0100 | [diff] [blame] | 1277 | int flags = 0; |
Jens Axboe | a2f77c9 | 2007-02-22 11:53:00 +0100 | [diff] [blame] | 1278 | |
Jens Axboe | 8458500 | 2006-10-19 20:26:22 +0200 | [diff] [blame] | 1279 | /* |
| 1280 | * ->io_ops is NULL for a thread that has closed its |
| 1281 | * io engine |
| 1282 | */ |
Jens Axboe | ba0fbe1 | 2007-03-09 14:34:23 +0100 | [diff] [blame] | 1283 | if (td->io_ops && !strcmp(td->io_ops->name, "cpuio")) |
Jens Axboe | b990b5c | 2006-09-14 09:48:22 +0200 | [diff] [blame] | 1284 | cputhreads++; |
Jens Axboe | 1f809d1 | 2007-10-25 18:34:02 +0200 | [diff] [blame] | 1285 | else |
| 1286 | realthreads++; |
Jens Axboe | b990b5c | 2006-09-14 09:48:22 +0200 | [diff] [blame] | 1287 | |
Aaron Carroll | a1dedc1 | 2008-02-20 09:14:12 +0100 | [diff] [blame] | 1288 | if (!td->pid) { |
| 1289 | pending++; |
| 1290 | continue; |
| 1291 | } |
| 1292 | if (td->runstate == TD_REAPED) |
Jens Axboe | a2f77c9 | 2007-02-22 11:53:00 +0100 | [diff] [blame] | 1293 | continue; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 1294 | if (td->o.use_thread) { |
Jens Axboe | 3707f45 | 2007-02-22 12:26:57 +0100 | [diff] [blame] | 1295 | if (td->runstate == TD_EXITED) { |
| 1296 | td_set_runstate(td, TD_REAPED); |
| 1297 | goto reaped; |
| 1298 | } |
| 1299 | continue; |
| 1300 | } |
Jens Axboe | a2f77c9 | 2007-02-22 11:53:00 +0100 | [diff] [blame] | 1301 | |
| 1302 | flags = WNOHANG; |
| 1303 | if (td->runstate == TD_EXITED) |
| 1304 | flags = 0; |
| 1305 | |
| 1306 | /* |
| 1307 | * check if someone quit or got killed in an unusual way |
| 1308 | */ |
| 1309 | ret = waitpid(td->pid, &status, flags); |
Jens Axboe | 3707f45 | 2007-02-22 12:26:57 +0100 | [diff] [blame] | 1310 | if (ret < 0) { |
Jens Axboe | a2f77c9 | 2007-02-22 11:53:00 +0100 | [diff] [blame] | 1311 | if (errno == ECHILD) { |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 1312 | log_err("fio: pid=%d disappeared %d\n", |
| 1313 | (int) td->pid, td->runstate); |
Jens Axboe | a2f77c9 | 2007-02-22 11:53:00 +0100 | [diff] [blame] | 1314 | td_set_runstate(td, TD_REAPED); |
| 1315 | goto reaped; |
| 1316 | } |
| 1317 | perror("waitpid"); |
| 1318 | } else if (ret == td->pid) { |
| 1319 | if (WIFSIGNALED(status)) { |
Jens Axboe | fab6aa7 | 2007-02-17 06:19:24 +0100 | [diff] [blame] | 1320 | int sig = WTERMSIG(status); |
| 1321 | |
Jens Axboe | d924494 | 2007-03-05 12:32:32 +0100 | [diff] [blame] | 1322 | if (sig != SIGQUIT) |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 1323 | log_err("fio: pid=%d, got signal=%d\n", |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 1324 | (int) td->pid, sig); |
Jens Axboe | fab6aa7 | 2007-02-17 06:19:24 +0100 | [diff] [blame] | 1325 | td_set_runstate(td, TD_REAPED); |
| 1326 | goto reaped; |
| 1327 | } |
Jens Axboe | a2f77c9 | 2007-02-22 11:53:00 +0100 | [diff] [blame] | 1328 | if (WIFEXITED(status)) { |
| 1329 | if (WEXITSTATUS(status) && !td->error) |
| 1330 | td->error = WEXITSTATUS(status); |
Jens Axboe | fab6aa7 | 2007-02-17 06:19:24 +0100 | [diff] [blame] | 1331 | |
Jens Axboe | a2f77c9 | 2007-02-22 11:53:00 +0100 | [diff] [blame] | 1332 | td_set_runstate(td, TD_REAPED); |
| 1333 | goto reaped; |
Jens Axboe | a641814 | 2007-02-17 04:47:18 +0100 | [diff] [blame] | 1334 | } |
| 1335 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1336 | |
Jens Axboe | a2f77c9 | 2007-02-22 11:53:00 +0100 | [diff] [blame] | 1337 | /* |
| 1338 | * thread is not dead, continue |
| 1339 | */ |
gurudas pai | e48676b | 2007-04-11 12:44:27 +0200 | [diff] [blame] | 1340 | pending++; |
Jens Axboe | a2f77c9 | 2007-02-22 11:53:00 +0100 | [diff] [blame] | 1341 | continue; |
Jens Axboe | fab6aa7 | 2007-02-17 06:19:24 +0100 | [diff] [blame] | 1342 | reaped: |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1343 | (*nr_running)--; |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 1344 | (*m_rate) -= (td->o.ratemin[0] + td->o.ratemin[1]); |
| 1345 | (*t_rate) -= (td->o.rate[0] + td->o.rate[1]); |
Jens Axboe | 6f88bcb | 2008-03-19 10:29:07 +0100 | [diff] [blame] | 1346 | if (!td->pid) |
| 1347 | pending--; |
Jens Axboe | a2f77c9 | 2007-02-22 11:53:00 +0100 | [diff] [blame] | 1348 | |
| 1349 | if (td->error) |
| 1350 | exit_value++; |
Jens Axboe | d3eeeab | 2008-04-06 12:19:05 +0200 | [diff] [blame] | 1351 | |
| 1352 | done_secs += mtime_since_now(&td->epoch) / 1000; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1353 | } |
Jens Axboe | b990b5c | 2006-09-14 09:48:22 +0200 | [diff] [blame] | 1354 | |
Jens Axboe | 1f809d1 | 2007-10-25 18:34:02 +0200 | [diff] [blame] | 1355 | if (*nr_running == cputhreads && !pending && realthreads) |
Jens Axboe | 390c40e | 2007-03-05 12:35:29 +0100 | [diff] [blame] | 1356 | terminate_threads(TERMINATE_ALL); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1357 | } |
| 1358 | |
Jens Axboe | be4ecfd | 2008-12-08 14:10:52 +0100 | [diff] [blame] | 1359 | static void *gtod_thread_main(void *data) |
| 1360 | { |
| 1361 | fio_mutex_up(startup_mutex); |
| 1362 | |
| 1363 | /* |
| 1364 | * As long as we have jobs around, update the clock. It would be nice |
| 1365 | * to have some way of NOT hammering that CPU with gettimeofday(), |
| 1366 | * but I'm not sure what to use outside of a simple CPU nop to relax |
| 1367 | * it - we don't want to lose precision. |
| 1368 | */ |
| 1369 | while (threads) { |
| 1370 | fio_gtod_update(); |
| 1371 | nop; |
| 1372 | } |
| 1373 | |
| 1374 | return NULL; |
| 1375 | } |
| 1376 | |
| 1377 | static int fio_start_gtod_thread(void) |
| 1378 | { |
Jens Axboe | f42c153 | 2009-01-05 19:07:13 +0100 | [diff] [blame] | 1379 | int ret; |
| 1380 | |
| 1381 | ret = pthread_create(>od_thread, NULL, gtod_thread_main, NULL); |
| 1382 | if (ret) { |
| 1383 | log_err("Can't create gtod thread: %s\n", strerror(ret)); |
Jens Axboe | be4ecfd | 2008-12-08 14:10:52 +0100 | [diff] [blame] | 1384 | return 1; |
| 1385 | } |
Jens Axboe | f42c153 | 2009-01-05 19:07:13 +0100 | [diff] [blame] | 1386 | |
| 1387 | ret = pthread_detach(gtod_thread); |
| 1388 | if (ret) { |
| 1389 | log_err("Can't detatch gtod thread: %s\n", strerror(ret)); |
Jens Axboe | be4ecfd | 2008-12-08 14:10:52 +0100 | [diff] [blame] | 1390 | return 1; |
| 1391 | } |
| 1392 | |
Jens Axboe | 29adda3 | 2009-01-05 19:06:39 +0100 | [diff] [blame] | 1393 | dprint(FD_MUTEX, "wait on startup_mutex\n"); |
Jens Axboe | be4ecfd | 2008-12-08 14:10:52 +0100 | [diff] [blame] | 1394 | fio_mutex_down(startup_mutex); |
Jens Axboe | 29adda3 | 2009-01-05 19:06:39 +0100 | [diff] [blame] | 1395 | dprint(FD_MUTEX, "done waiting on startup_mutex\n"); |
Jens Axboe | be4ecfd | 2008-12-08 14:10:52 +0100 | [diff] [blame] | 1396 | return 0; |
| 1397 | } |
| 1398 | |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 1399 | /* |
| 1400 | * Main function for kicking off and reaping jobs, as needed. |
| 1401 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1402 | static void run_threads(void) |
| 1403 | { |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1404 | struct thread_data *td; |
| 1405 | unsigned long spent; |
| 1406 | int i, todo, nr_running, m_rate, t_rate, nr_started; |
Jens Axboe | fcb6ade | 2006-05-31 12:14:35 +0200 | [diff] [blame] | 1407 | |
Jens Axboe | 2f9ade3 | 2006-10-20 11:25:52 +0200 | [diff] [blame] | 1408 | if (fio_pin_memory()) |
| 1409 | return; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1410 | |
Jens Axboe | be4ecfd | 2008-12-08 14:10:52 +0100 | [diff] [blame] | 1411 | if (fio_gtod_offload && fio_start_gtod_thread()) |
| 1412 | return; |
| 1413 | |
Jens Axboe | c6ae0a5 | 2006-06-12 11:04:44 +0200 | [diff] [blame] | 1414 | if (!terse_output) { |
Jens Axboe | 9cedf16 | 2007-03-12 11:29:30 +0100 | [diff] [blame] | 1415 | printf("Starting "); |
| 1416 | if (nr_thread) |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 1417 | printf("%d thread%s", nr_thread, |
| 1418 | nr_thread > 1 ? "s" : ""); |
Jens Axboe | 9cedf16 | 2007-03-12 11:29:30 +0100 | [diff] [blame] | 1419 | if (nr_process) { |
| 1420 | if (nr_thread) |
| 1421 | printf(" and "); |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 1422 | printf("%d process%s", nr_process, |
| 1423 | nr_process > 1 ? "es" : ""); |
Jens Axboe | 9cedf16 | 2007-03-12 11:29:30 +0100 | [diff] [blame] | 1424 | } |
| 1425 | printf("\n"); |
Jens Axboe | c6ae0a5 | 2006-06-12 11:04:44 +0200 | [diff] [blame] | 1426 | fflush(stdout); |
| 1427 | } |
Jens Axboe | c04f7ec | 2006-05-31 10:13:16 +0200 | [diff] [blame] | 1428 | |
Jens Axboe | 697a606 | 2008-05-31 00:04:45 +0200 | [diff] [blame] | 1429 | set_sig_handlers(); |
Jens Axboe | 4efa970 | 2006-05-31 11:56:49 +0200 | [diff] [blame] | 1430 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1431 | todo = thread_number; |
| 1432 | nr_running = 0; |
| 1433 | nr_started = 0; |
| 1434 | m_rate = t_rate = 0; |
| 1435 | |
Jens Axboe | 34572e2 | 2006-10-20 09:33:18 +0200 | [diff] [blame] | 1436 | for_each_td(td, i) { |
Jens Axboe | 263e529 | 2006-10-18 15:37:01 +0200 | [diff] [blame] | 1437 | print_status_init(td->thread_number - 1); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1438 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 1439 | if (!td->o.create_serialize) { |
Jens Axboe | 380cf26 | 2007-01-11 14:01:27 +0100 | [diff] [blame] | 1440 | init_disk_util(td); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1441 | continue; |
Jens Axboe | 380cf26 | 2007-01-11 14:01:27 +0100 | [diff] [blame] | 1442 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1443 | |
| 1444 | /* |
| 1445 | * do file setup here so it happens sequentially, |
| 1446 | * we don't want X number of threads getting their |
| 1447 | * client data interspersed on disk |
| 1448 | */ |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 1449 | if (setup_files(td)) { |
Jens Axboe | 5bf13a5 | 2007-02-17 01:51:47 +0100 | [diff] [blame] | 1450 | exit_value++; |
| 1451 | if (td->error) |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 1452 | log_err("fio: pid=%d, err=%d/%s\n", |
| 1453 | (int) td->pid, td->error, td->verror); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1454 | td_set_runstate(td, TD_REAPED); |
| 1455 | todo--; |
Jens Axboe | c69e887 | 2008-03-01 18:50:48 +0100 | [diff] [blame] | 1456 | } else { |
| 1457 | struct fio_file *f; |
| 1458 | unsigned int i; |
| 1459 | |
| 1460 | /* |
| 1461 | * for sharing to work, each job must always open |
| 1462 | * its own files. so close them, if we opened them |
| 1463 | * for creation |
| 1464 | */ |
Jens Axboe | 22a57ba | 2009-06-09 14:34:35 +0200 | [diff] [blame] | 1465 | for_each_file(td, f, i) { |
| 1466 | if (fio_file_open(f)) |
| 1467 | td_io_close_file(td, f); |
Jens Axboe | 22a57ba | 2009-06-09 14:34:35 +0200 | [diff] [blame] | 1468 | } |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 1469 | } |
Jens Axboe | 380cf26 | 2007-01-11 14:01:27 +0100 | [diff] [blame] | 1470 | |
| 1471 | init_disk_util(td); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1472 | } |
| 1473 | |
Jens Axboe | a2f77c9 | 2007-02-22 11:53:00 +0100 | [diff] [blame] | 1474 | set_genesis_time(); |
| 1475 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1476 | while (todo) { |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 1477 | struct thread_data *map[MAX_JOBS]; |
| 1478 | struct timeval this_start; |
| 1479 | int this_jobs = 0, left; |
| 1480 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1481 | /* |
| 1482 | * create threads (TD_NOT_CREATED -> TD_CREATED) |
| 1483 | */ |
Jens Axboe | 34572e2 | 2006-10-20 09:33:18 +0200 | [diff] [blame] | 1484 | for_each_td(td, i) { |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1485 | if (td->runstate != TD_NOT_CREATED) |
| 1486 | continue; |
| 1487 | |
| 1488 | /* |
| 1489 | * never got a chance to start, killed by other |
| 1490 | * thread for some reason |
| 1491 | */ |
| 1492 | if (td->terminate) { |
| 1493 | todo--; |
| 1494 | continue; |
| 1495 | } |
| 1496 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 1497 | if (td->o.start_delay) { |
Jens Axboe | 263e529 | 2006-10-18 15:37:01 +0200 | [diff] [blame] | 1498 | spent = mtime_since_genesis(); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1499 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 1500 | if (td->o.start_delay * 1000 > spent) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1501 | continue; |
| 1502 | } |
| 1503 | |
Jens Axboe | 6f88bcb | 2008-03-19 10:29:07 +0100 | [diff] [blame] | 1504 | if (td->o.stonewall && (nr_started || nr_running)) { |
| 1505 | dprint(FD_PROCESS, "%s: stonewall wait\n", |
| 1506 | td->o.name); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1507 | break; |
Jens Axboe | 6f88bcb | 2008-03-19 10:29:07 +0100 | [diff] [blame] | 1508 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1509 | |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 1510 | /* |
| 1511 | * Set state to created. Thread will transition |
| 1512 | * to TD_INITIALIZED when it's done setting up. |
| 1513 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1514 | td_set_runstate(td, TD_CREATED); |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 1515 | map[this_jobs++] = td; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1516 | nr_started++; |
| 1517 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 1518 | if (td->o.use_thread) { |
Jens Axboe | f42c153 | 2009-01-05 19:07:13 +0100 | [diff] [blame] | 1519 | int ret; |
| 1520 | |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 1521 | dprint(FD_PROCESS, "will pthread_create\n"); |
Jens Axboe | f42c153 | 2009-01-05 19:07:13 +0100 | [diff] [blame] | 1522 | ret = pthread_create(&td->thread, NULL, |
| 1523 | thread_main, td); |
| 1524 | if (ret) { |
| 1525 | log_err("pthread_create: %s\n", |
| 1526 | strerror(ret)); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1527 | nr_started--; |
Jens Axboe | c8bb6fa | 2007-03-12 11:03:04 +0100 | [diff] [blame] | 1528 | break; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1529 | } |
Jens Axboe | f42c153 | 2009-01-05 19:07:13 +0100 | [diff] [blame] | 1530 | ret = pthread_detach(td->thread); |
| 1531 | if (ret) |
| 1532 | log_err("pthread_detach: %s", |
| 1533 | strerror(ret)); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1534 | } else { |
Jens Axboe | 5e1d306 | 2008-05-23 11:55:53 +0200 | [diff] [blame] | 1535 | pid_t pid; |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 1536 | dprint(FD_PROCESS, "will fork\n"); |
Jens Axboe | 5e1d306 | 2008-05-23 11:55:53 +0200 | [diff] [blame] | 1537 | pid = fork(); |
| 1538 | if (!pid) { |
Jens Axboe | a641814 | 2007-02-17 04:47:18 +0100 | [diff] [blame] | 1539 | int ret = fork_main(shm_id, i); |
| 1540 | |
Jens Axboe | 5e1d306 | 2008-05-23 11:55:53 +0200 | [diff] [blame] | 1541 | _exit(ret); |
| 1542 | } else if (i == fio_debug_jobno) |
| 1543 | *fio_debug_jobp = pid; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1544 | } |
Jens Axboe | 29adda3 | 2009-01-05 19:06:39 +0100 | [diff] [blame] | 1545 | dprint(FD_MUTEX, "wait on startup_mutex\n"); |
Jens Axboe | 656b139 | 2009-07-01 23:02:10 +0200 | [diff] [blame] | 1546 | if (fio_mutex_down_timeout(startup_mutex, 10)) { |
| 1547 | log_err("fio: job startup hung? exiting.\n"); |
| 1548 | terminate_threads(TERMINATE_ALL); |
| 1549 | fio_abort = 1; |
| 1550 | nr_started--; |
| 1551 | break; |
| 1552 | } |
Jens Axboe | 29adda3 | 2009-01-05 19:06:39 +0100 | [diff] [blame] | 1553 | dprint(FD_MUTEX, "done waiting on startup_mutex\n"); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1554 | } |
| 1555 | |
| 1556 | /* |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 1557 | * Wait for the started threads to transition to |
| 1558 | * TD_INITIALIZED. |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1559 | */ |
Jens Axboe | 02bcaa8 | 2006-11-24 10:42:00 +0100 | [diff] [blame] | 1560 | fio_gettime(&this_start, NULL); |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 1561 | left = this_jobs; |
Jens Axboe | 6ce15a3 | 2007-01-12 09:04:41 +0100 | [diff] [blame] | 1562 | while (left && !fio_abort) { |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 1563 | if (mtime_since_now(&this_start) > JOB_START_TIMEOUT) |
| 1564 | break; |
| 1565 | |
| 1566 | usleep(100000); |
| 1567 | |
| 1568 | for (i = 0; i < this_jobs; i++) { |
| 1569 | td = map[i]; |
| 1570 | if (!td) |
| 1571 | continue; |
Jens Axboe | b6f4d88 | 2006-06-02 10:32:51 +0200 | [diff] [blame] | 1572 | if (td->runstate == TD_INITIALIZED) { |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 1573 | map[i] = NULL; |
| 1574 | left--; |
Jens Axboe | b6f4d88 | 2006-06-02 10:32:51 +0200 | [diff] [blame] | 1575 | } else if (td->runstate >= TD_EXITED) { |
| 1576 | map[i] = NULL; |
| 1577 | left--; |
| 1578 | todo--; |
| 1579 | nr_running++; /* work-around... */ |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 1580 | } |
| 1581 | } |
| 1582 | } |
| 1583 | |
| 1584 | if (left) { |
Jens Axboe | 3b70d7e | 2006-06-08 21:48:46 +0200 | [diff] [blame] | 1585 | log_err("fio: %d jobs failed to start\n", left); |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 1586 | for (i = 0; i < this_jobs; i++) { |
| 1587 | td = map[i]; |
| 1588 | if (!td) |
| 1589 | continue; |
| 1590 | kill(td->pid, SIGTERM); |
| 1591 | } |
| 1592 | break; |
| 1593 | } |
| 1594 | |
| 1595 | /* |
Jens Axboe | b6f4d88 | 2006-06-02 10:32:51 +0200 | [diff] [blame] | 1596 | * start created threads (TD_INITIALIZED -> TD_RUNNING). |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 1597 | */ |
Jens Axboe | 34572e2 | 2006-10-20 09:33:18 +0200 | [diff] [blame] | 1598 | for_each_td(td, i) { |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 1599 | if (td->runstate != TD_INITIALIZED) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1600 | continue; |
| 1601 | |
Jens Axboe | b29ee5b | 2008-09-11 10:17:26 +0200 | [diff] [blame] | 1602 | if (in_ramp_time(td)) |
| 1603 | td_set_runstate(td, TD_RAMP); |
| 1604 | else |
| 1605 | td_set_runstate(td, TD_RUNNING); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1606 | nr_running++; |
| 1607 | nr_started--; |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 1608 | m_rate += td->o.ratemin[0] + td->o.ratemin[1]; |
| 1609 | t_rate += td->o.rate[0] + td->o.rate[1]; |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 1610 | todo--; |
Jens Axboe | cdd18ad | 2008-02-27 18:58:00 +0100 | [diff] [blame] | 1611 | fio_mutex_up(td->mutex); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1612 | } |
| 1613 | |
| 1614 | reap_threads(&nr_running, &t_rate, &m_rate); |
| 1615 | |
| 1616 | if (todo) |
| 1617 | usleep(100000); |
| 1618 | } |
| 1619 | |
| 1620 | while (nr_running) { |
| 1621 | reap_threads(&nr_running, &t_rate, &m_rate); |
| 1622 | usleep(10000); |
| 1623 | } |
| 1624 | |
| 1625 | update_io_ticks(); |
Jens Axboe | 2f9ade3 | 2006-10-20 11:25:52 +0200 | [diff] [blame] | 1626 | fio_unpin_memory(); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1627 | } |
| 1628 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1629 | int main(int argc, char *argv[]) |
| 1630 | { |
Jens Axboe | 29d610e | 2007-02-06 13:25:33 +0100 | [diff] [blame] | 1631 | long ps; |
| 1632 | |
Jens Axboe | 2e5cdb1 | 2008-03-01 18:52:49 +0100 | [diff] [blame] | 1633 | sinit(); |
| 1634 | |
Jens Axboe | dbe1125 | 2007-02-11 00:19:51 +0100 | [diff] [blame] | 1635 | /* |
| 1636 | * We need locale for number printing, if it isn't set then just |
| 1637 | * go with the US format. |
| 1638 | */ |
| 1639 | if (!getenv("LC_NUMERIC")) |
| 1640 | setlocale(LC_NUMERIC, "en_US"); |
| 1641 | |
Jens Axboe | 29d610e | 2007-02-06 13:25:33 +0100 | [diff] [blame] | 1642 | ps = sysconf(_SC_PAGESIZE); |
| 1643 | if (ps < 0) { |
| 1644 | log_err("Failed to get page size\n"); |
| 1645 | return 1; |
| 1646 | } |
| 1647 | |
Jens Axboe | cfc99db | 2007-03-14 10:34:47 +0100 | [diff] [blame] | 1648 | page_size = ps; |
Jens Axboe | 29d610e | 2007-02-06 13:25:33 +0100 | [diff] [blame] | 1649 | page_mask = ps - 1; |
| 1650 | |
Jens Axboe | 74929ac | 2009-08-05 11:42:37 +0200 | [diff] [blame] | 1651 | fio_keywords_init(); |
| 1652 | |
| 1653 | if (parse_options(argc, argv)) |
| 1654 | return 1; |
| 1655 | |
| 1656 | if (!thread_number) |
| 1657 | return 0; |
| 1658 | |
Jens Axboe | bb3884d | 2007-01-17 17:23:11 +1100 | [diff] [blame] | 1659 | if (write_bw_log) { |
| 1660 | setup_log(&agg_io_log[DDIR_READ]); |
| 1661 | setup_log(&agg_io_log[DDIR_WRITE]); |
| 1662 | } |
| 1663 | |
Jens Axboe | cdd18ad | 2008-02-27 18:58:00 +0100 | [diff] [blame] | 1664 | startup_mutex = fio_mutex_init(0); |
Fabio Checconi | d2bbb8d | 2009-05-18 12:54:50 +0200 | [diff] [blame] | 1665 | writeout_mutex = fio_mutex_init(1); |
Jens Axboe | 07739b5 | 2007-03-08 20:25:46 +0100 | [diff] [blame] | 1666 | |
Jens Axboe | a2f77c9 | 2007-02-22 11:53:00 +0100 | [diff] [blame] | 1667 | set_genesis_time(); |
| 1668 | |
Jens Axboe | ccb0fa2 | 2008-05-30 23:18:00 +0200 | [diff] [blame] | 1669 | status_timer_arm(); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1670 | |
Jens Axboe | dae5341 | 2009-12-04 19:54:18 +0100 | [diff] [blame] | 1671 | cgroup_list = smalloc(sizeof(*cgroup_list)); |
| 1672 | INIT_FLIST_HEAD(cgroup_list); |
| 1673 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1674 | run_threads(); |
Jens Axboe | 6ce15a3 | 2007-01-12 09:04:41 +0100 | [diff] [blame] | 1675 | |
Jens Axboe | bb3884d | 2007-01-17 17:23:11 +1100 | [diff] [blame] | 1676 | if (!fio_abort) { |
Jens Axboe | 6ce15a3 | 2007-01-12 09:04:41 +0100 | [diff] [blame] | 1677 | show_run_stats(); |
Jens Axboe | bb3884d | 2007-01-17 17:23:11 +1100 | [diff] [blame] | 1678 | if (write_bw_log) { |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 1679 | __finish_log(agg_io_log[DDIR_READ], "agg-read_bw.log"); |
| 1680 | __finish_log(agg_io_log[DDIR_WRITE], |
| 1681 | "agg-write_bw.log"); |
Jens Axboe | bb3884d | 2007-01-17 17:23:11 +1100 | [diff] [blame] | 1682 | } |
| 1683 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1684 | |
Jens Axboe | dae5341 | 2009-12-04 19:54:18 +0100 | [diff] [blame] | 1685 | cgroup_kill(cgroup_list); |
| 1686 | sfree(cgroup_list); |
Jens Axboe | 6adb38a | 2009-12-07 08:01:26 +0100 | [diff] [blame] | 1687 | if (cgroup_mnt) |
| 1688 | sfree(cgroup_mnt); |
Jens Axboe | 39f2202 | 2009-12-04 11:29:12 +0100 | [diff] [blame] | 1689 | |
Jens Axboe | cdd18ad | 2008-02-27 18:58:00 +0100 | [diff] [blame] | 1690 | fio_mutex_remove(startup_mutex); |
Fabio Checconi | d2bbb8d | 2009-05-18 12:54:50 +0200 | [diff] [blame] | 1691 | fio_mutex_remove(writeout_mutex); |
Jens Axboe | 437c9b7 | 2007-02-13 18:20:37 +0100 | [diff] [blame] | 1692 | return exit_value; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1693 | } |