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> |
Bruce Cran | 9b83656 | 2011-01-08 19:49:54 +0100 | [diff] [blame] | 27 | #include <limits.h> |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 28 | #include <signal.h> |
| 29 | #include <time.h> |
Jens Axboe | dbe1125 | 2007-02-11 00:19:51 +0100 | [diff] [blame] | 30 | #include <locale.h> |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 31 | #include <assert.h> |
Jens Axboe | a5b01f1 | 2010-11-11 09:19:49 +0100 | [diff] [blame] | 32 | #include <time.h> |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 33 | #include <sys/stat.h> |
| 34 | #include <sys/wait.h> |
| 35 | #include <sys/ipc.h> |
| 36 | #include <sys/shm.h> |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 37 | #include <sys/mman.h> |
| 38 | |
| 39 | #include "fio.h" |
Jens Axboe | 210f43b | 2007-04-17 19:52:18 +0200 | [diff] [blame] | 40 | #include "hash.h" |
Jens Axboe | 2e5cdb1 | 2008-03-01 18:52:49 +0100 | [diff] [blame] | 41 | #include "smalloc.h" |
Jens Axboe | 4f5af7b | 2009-06-03 08:45:40 +0200 | [diff] [blame] | 42 | #include "verify.h" |
Jens Axboe | a917a8b | 2010-09-02 13:23:20 +0200 | [diff] [blame] | 43 | #include "trim.h" |
Jens Axboe | 7c9b1bc | 2009-06-03 09:25:57 +0200 | [diff] [blame] | 44 | #include "diskutil.h" |
Jens Axboe | a696fa2 | 2009-12-04 10:05:02 +0100 | [diff] [blame] | 45 | #include "cgroup.h" |
Jens Axboe | 07b3232 | 2010-03-05 09:48:44 +0100 | [diff] [blame] | 46 | #include "profile.h" |
Jens Axboe | d54a144 | 2010-03-25 23:07:35 +0100 | [diff] [blame] | 47 | #include "lib/rand.h" |
Jens Axboe | 91aea6e | 2011-04-25 20:46:58 +0200 | [diff] [blame] | 48 | #include "memalign.h" |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 49 | |
Jens Axboe | cfc99db | 2007-03-14 10:34:47 +0100 | [diff] [blame] | 50 | unsigned long page_mask; |
| 51 | unsigned long page_size; |
Jens Axboe | d529ee1 | 2009-07-01 10:33:03 +0200 | [diff] [blame] | 52 | |
| 53 | #define PAGE_ALIGN(buf) \ |
Jens Axboe | 29d610e | 2007-02-06 13:25:33 +0100 | [diff] [blame] | 54 | (char *) (((unsigned long) (buf) + page_mask) & ~page_mask) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 55 | |
| 56 | int groupid = 0; |
| 57 | int thread_number = 0; |
Jens Axboe | 9cedf16 | 2007-03-12 11:29:30 +0100 | [diff] [blame] | 58 | int nr_process = 0; |
| 59 | int nr_thread = 0; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 60 | int shm_id = 0; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 61 | int temp_stall_ts; |
Jens Axboe | d3eeeab | 2008-04-06 12:19:05 +0200 | [diff] [blame] | 62 | unsigned long done_secs = 0; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 63 | |
Jens Axboe | cdd18ad | 2008-02-27 18:58:00 +0100 | [diff] [blame] | 64 | static struct fio_mutex *startup_mutex; |
Fabio Checconi | d2bbb8d | 2009-05-18 12:54:50 +0200 | [diff] [blame] | 65 | static struct fio_mutex *writeout_mutex; |
Jens Axboe | 6ce15a3 | 2007-01-12 09:04:41 +0100 | [diff] [blame] | 66 | static volatile int fio_abort; |
Jens Axboe | 437c9b7 | 2007-02-13 18:20:37 +0100 | [diff] [blame] | 67 | static int exit_value; |
Jens Axboe | be4ecfd | 2008-12-08 14:10:52 +0100 | [diff] [blame] | 68 | static pthread_t gtod_thread; |
Jens Axboe | 7985701 | 2011-01-14 14:14:58 +0100 | [diff] [blame] | 69 | static pthread_t disk_util_thread; |
Jens Axboe | dae5341 | 2009-12-04 19:54:18 +0100 | [diff] [blame] | 70 | static struct flist_head *cgroup_list; |
Jens Axboe | 6adb38a | 2009-12-07 08:01:26 +0100 | [diff] [blame] | 71 | static char *cgroup_mnt; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 72 | |
Jens Axboe | bb3884d | 2007-01-17 17:23:11 +1100 | [diff] [blame] | 73 | struct io_log *agg_io_log[2]; |
| 74 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 75 | #define TERMINATE_ALL (-1) |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 76 | #define JOB_START_TIMEOUT (5 * 1000) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 77 | |
Jens Axboe | b29ee5b | 2008-09-11 10:17:26 +0200 | [diff] [blame] | 78 | void td_set_runstate(struct thread_data *td, int runstate) |
Jens Axboe | 6ce15a3 | 2007-01-12 09:04:41 +0100 | [diff] [blame] | 79 | { |
Jens Axboe | d8fab1b | 2008-03-06 10:25:17 +0100 | [diff] [blame] | 80 | if (td->runstate == runstate) |
| 81 | return; |
| 82 | |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 83 | dprint(FD_PROCESS, "pid=%d: runstate %d -> %d\n", (int) td->pid, |
| 84 | td->runstate, runstate); |
Jens Axboe | 6ce15a3 | 2007-01-12 09:04:41 +0100 | [diff] [blame] | 85 | td->runstate = runstate; |
| 86 | } |
| 87 | |
Jens Axboe | 390c40e | 2007-03-05 12:35:29 +0100 | [diff] [blame] | 88 | static void terminate_threads(int group_id) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 89 | { |
Jens Axboe | 34572e2 | 2006-10-20 09:33:18 +0200 | [diff] [blame] | 90 | struct thread_data *td; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 91 | int i; |
| 92 | |
Jens Axboe | 6f88bcb | 2008-03-19 10:29:07 +0100 | [diff] [blame] | 93 | dprint(FD_PROCESS, "terminate group_id=%d\n", group_id); |
| 94 | |
Jens Axboe | 34572e2 | 2006-10-20 09:33:18 +0200 | [diff] [blame] | 95 | for_each_td(td, i) { |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 96 | if (group_id == TERMINATE_ALL || groupid == td->groupid) { |
Jens Axboe | 6f88bcb | 2008-03-19 10:29:07 +0100 | [diff] [blame] | 97 | dprint(FD_PROCESS, "setting terminate on %s/%d\n", |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 98 | td->o.name, (int) td->pid); |
Jens Axboe | ad830ed | 2008-02-18 21:11:24 +0100 | [diff] [blame] | 99 | td->terminate = 1; |
| 100 | td->o.start_delay = 0; |
| 101 | |
Jens Axboe | 7a93ab1 | 2007-04-18 12:25:41 +0200 | [diff] [blame] | 102 | /* |
| 103 | * if the thread is running, just let it exit |
| 104 | */ |
| 105 | if (td->runstate < TD_RUNNING) |
Bruce Cran | 03e20d6 | 2011-01-02 20:14:54 +0100 | [diff] [blame] | 106 | kill(td->pid, SIGTERM); |
Jens Axboe | f63f7f3 | 2008-03-01 15:25:24 +0100 | [diff] [blame] | 107 | else { |
| 108 | struct ioengine_ops *ops = td->io_ops; |
| 109 | |
Bruce Cran | 03e20d6 | 2011-01-02 20:14:54 +0100 | [diff] [blame] | 110 | if (ops && (ops->flags & FIO_SIGTERM)) |
| 111 | kill(td->pid, SIGTERM); |
Jens Axboe | f63f7f3 | 2008-03-01 15:25:24 +0100 | [diff] [blame] | 112 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 113 | } |
| 114 | } |
| 115 | } |
| 116 | |
Jens Axboe | 697a606 | 2008-05-31 00:04:45 +0200 | [diff] [blame] | 117 | static void sig_int(int sig) |
| 118 | { |
| 119 | if (threads) { |
Jens Axboe | 4ceb30d | 2010-02-24 09:19:14 +0100 | [diff] [blame] | 120 | log_info("\nfio: terminating on signal %d\n", sig); |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 121 | fflush(stdout); |
Jens Axboe | deaa1af | 2011-05-05 08:17:03 -0600 | [diff] [blame] | 122 | exit_value = 128; |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 123 | terminate_threads(TERMINATE_ALL); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 124 | } |
| 125 | } |
| 126 | |
Jens Axboe | 7985701 | 2011-01-14 14:14:58 +0100 | [diff] [blame] | 127 | static void *disk_thread_main(void *data) |
Jens Axboe | a5b01f1 | 2010-11-11 09:19:49 +0100 | [diff] [blame] | 128 | { |
Jens Axboe | 7985701 | 2011-01-14 14:14:58 +0100 | [diff] [blame] | 129 | fio_mutex_up(startup_mutex); |
| 130 | |
| 131 | while (threads) { |
| 132 | usleep(DISK_UTIL_MSEC * 1000); |
Jens Axboe | 9a793c2 | 2011-01-14 15:22:14 +0100 | [diff] [blame] | 133 | if (!threads) |
| 134 | break; |
Jens Axboe | 7985701 | 2011-01-14 14:14:58 +0100 | [diff] [blame] | 135 | update_io_ticks(); |
| 136 | print_thread_status(); |
| 137 | } |
| 138 | |
| 139 | return NULL; |
Jens Axboe | a5b01f1 | 2010-11-11 09:19:49 +0100 | [diff] [blame] | 140 | } |
| 141 | |
Jens Axboe | 7985701 | 2011-01-14 14:14:58 +0100 | [diff] [blame] | 142 | static int create_disk_util_thread(void) |
Jens Axboe | a5b01f1 | 2010-11-11 09:19:49 +0100 | [diff] [blame] | 143 | { |
Jens Axboe | 7985701 | 2011-01-14 14:14:58 +0100 | [diff] [blame] | 144 | int ret; |
Jens Axboe | a5b01f1 | 2010-11-11 09:19:49 +0100 | [diff] [blame] | 145 | |
Jens Axboe | 69204d6 | 2011-01-14 18:29:19 +0100 | [diff] [blame] | 146 | ret = pthread_create(&disk_util_thread, NULL, disk_thread_main, NULL); |
Jens Axboe | 7985701 | 2011-01-14 14:14:58 +0100 | [diff] [blame] | 147 | if (ret) { |
| 148 | log_err("Can't create disk util thread: %s\n", strerror(ret)); |
| 149 | return 1; |
| 150 | } |
Jens Axboe | a5b01f1 | 2010-11-11 09:19:49 +0100 | [diff] [blame] | 151 | |
Jens Axboe | 7985701 | 2011-01-14 14:14:58 +0100 | [diff] [blame] | 152 | ret = pthread_detach(disk_util_thread); |
| 153 | if (ret) { |
| 154 | log_err("Can't detatch disk util thread: %s\n", strerror(ret)); |
| 155 | return 1; |
| 156 | } |
Bruce Cran | 03e20d6 | 2011-01-02 20:14:54 +0100 | [diff] [blame] | 157 | |
Jens Axboe | 7985701 | 2011-01-14 14:14:58 +0100 | [diff] [blame] | 158 | dprint(FD_MUTEX, "wait on startup_mutex\n"); |
| 159 | fio_mutex_down(startup_mutex); |
| 160 | dprint(FD_MUTEX, "done waiting on startup_mutex\n"); |
| 161 | return 0; |
Jens Axboe | a5b01f1 | 2010-11-11 09:19:49 +0100 | [diff] [blame] | 162 | } |
| 163 | |
Jens Axboe | 697a606 | 2008-05-31 00:04:45 +0200 | [diff] [blame] | 164 | static void set_sig_handlers(void) |
| 165 | { |
| 166 | struct sigaction act; |
| 167 | |
| 168 | memset(&act, 0, sizeof(act)); |
Jens Axboe | 697a606 | 2008-05-31 00:04:45 +0200 | [diff] [blame] | 169 | act.sa_handler = sig_int; |
| 170 | act.sa_flags = SA_RESTART; |
| 171 | sigaction(SIGINT, &act, NULL); |
Jens Axboe | de79c91 | 2008-08-04 21:43:55 +0200 | [diff] [blame] | 172 | |
| 173 | memset(&act, 0, sizeof(act)); |
Jens Axboe | b20b6be | 2011-05-11 13:23:01 +0200 | [diff] [blame^] | 174 | act.sa_handler = sig_int; |
Jens Axboe | 5f8f972 | 2008-11-18 19:10:21 +0100 | [diff] [blame] | 175 | act.sa_flags = SA_RESTART; |
Bruce Cran | 03e20d6 | 2011-01-02 20:14:54 +0100 | [diff] [blame] | 176 | sigaction(SIGTERM, &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 | ff58fce | 2010-08-25 12:02:08 +0200 | [diff] [blame] | 193 | assert(ddir_rw(ddir)); |
| 194 | |
Jens Axboe | d982d87 | 2009-06-10 06:35:48 +0200 | [diff] [blame] | 195 | if (!td->o.ratemin[ddir] && !td->o.rate_iops_min[ddir]) |
| 196 | return 0; |
| 197 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 198 | /* |
| 199 | * allow a 2 second settle period in the beginning |
| 200 | */ |
| 201 | if (mtime_since(&td->start, now) < 2000) |
| 202 | return 0; |
| 203 | |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 204 | iops += td->io_blocks[ddir]; |
| 205 | bytes += td->this_io_bytes[ddir]; |
| 206 | ratemin += td->o.ratemin[ddir]; |
| 207 | rate_iops += td->o.rate_iops[ddir]; |
| 208 | rate_iops_min += td->o.rate_iops_min[ddir]; |
Jens Axboe | 0904200 | 2007-02-23 10:56:22 +0100 | [diff] [blame] | 209 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 210 | /* |
| 211 | * if rate blocks is set, sample is running |
| 212 | */ |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 213 | if (td->rate_bytes[ddir] || td->rate_blocks[ddir]) { |
| 214 | spent = mtime_since(&td->lastrate[ddir], now); |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 215 | if (spent < td->o.ratecycle) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 216 | return 0; |
| 217 | |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 218 | if (td->o.rate[ddir]) { |
Jens Axboe | 4e991c2 | 2007-03-15 11:41:11 +0100 | [diff] [blame] | 219 | /* |
| 220 | * check bandwidth specified rate |
| 221 | */ |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 222 | if (bytes < td->rate_bytes[ddir]) { |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 223 | log_err("%s: min rate %u not met\n", td->o.name, |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 224 | ratemin); |
Jens Axboe | 413dd45 | 2007-02-23 09:26:09 +0100 | [diff] [blame] | 225 | return 1; |
Jens Axboe | 4e991c2 | 2007-03-15 11:41:11 +0100 | [diff] [blame] | 226 | } else { |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 227 | rate = ((bytes - td->rate_bytes[ddir]) * 1000) / spent; |
| 228 | if (rate < ratemin || |
| 229 | bytes < td->rate_bytes[ddir]) { |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 230 | log_err("%s: min rate %u not met, got" |
Jens Axboe | b22989b | 2009-07-17 22:29:23 +0200 | [diff] [blame] | 231 | " %luKB/sec\n", td->o.name, |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 232 | ratemin, rate); |
Jens Axboe | 4e991c2 | 2007-03-15 11:41:11 +0100 | [diff] [blame] | 233 | return 1; |
| 234 | } |
| 235 | } |
| 236 | } else { |
| 237 | /* |
| 238 | * checks iops specified rate |
| 239 | */ |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 240 | if (iops < rate_iops) { |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 241 | log_err("%s: min iops rate %u not met\n", |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 242 | td->o.name, rate_iops); |
Jens Axboe | 4e991c2 | 2007-03-15 11:41:11 +0100 | [diff] [blame] | 243 | return 1; |
| 244 | } else { |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 245 | rate = ((iops - td->rate_blocks[ddir]) * 1000) / spent; |
| 246 | if (rate < rate_iops_min || |
| 247 | iops < td->rate_blocks[ddir]) { |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 248 | log_err("%s: min iops rate %u not met," |
| 249 | " got %lu\n", td->o.name, |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 250 | rate_iops_min, rate); |
Jens Axboe | 4e991c2 | 2007-03-15 11:41:11 +0100 | [diff] [blame] | 251 | } |
Jens Axboe | 413dd45 | 2007-02-23 09:26:09 +0100 | [diff] [blame] | 252 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 253 | } |
| 254 | } |
| 255 | |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 256 | td->rate_bytes[ddir] = bytes; |
| 257 | td->rate_blocks[ddir] = iops; |
| 258 | memcpy(&td->lastrate[ddir], now, sizeof(*now)); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 259 | return 0; |
| 260 | } |
| 261 | |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 262 | static int check_min_rate(struct thread_data *td, struct timeval *now, |
| 263 | unsigned long *bytes_done) |
| 264 | { |
| 265 | int ret = 0; |
| 266 | |
| 267 | if (bytes_done[0]) |
| 268 | ret |= __check_min_rate(td, now, 0); |
| 269 | if (bytes_done[1]) |
| 270 | ret |= __check_min_rate(td, now, 1); |
| 271 | |
| 272 | return ret; |
| 273 | } |
| 274 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 275 | static inline int runtime_exceeded(struct thread_data *td, struct timeval *t) |
| 276 | { |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 277 | if (!td->o.timeout) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 278 | return 0; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 279 | if (mtime_since(&td->epoch, t) >= td->o.timeout * 1000) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 280 | return 1; |
| 281 | |
| 282 | return 0; |
| 283 | } |
| 284 | |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 285 | /* |
| 286 | * When job exits, we can cancel the in-flight IO if we are using async |
| 287 | * io. Attempt to do so. |
| 288 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 289 | static void cleanup_pending_aio(struct thread_data *td) |
| 290 | { |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 291 | struct flist_head *entry, *n; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 292 | struct io_u *io_u; |
| 293 | int r; |
| 294 | |
| 295 | /* |
| 296 | * get immediately available events, if any |
| 297 | */ |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 298 | r = io_u_queued_complete(td, 0, NULL); |
Jens Axboe | b2fdda4 | 2007-02-20 20:52:51 +0100 | [diff] [blame] | 299 | if (r < 0) |
| 300 | return; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 301 | |
| 302 | /* |
| 303 | * now cancel remaining active events |
| 304 | */ |
Jens Axboe | 2866c82 | 2006-10-09 15:57:48 +0200 | [diff] [blame] | 305 | if (td->io_ops->cancel) { |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 306 | flist_for_each_safe(entry, n, &td->io_u_busylist) { |
| 307 | io_u = flist_entry(entry, struct io_u, list); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 308 | |
Jens Axboe | 0c6e751 | 2007-02-22 11:19:39 +0100 | [diff] [blame] | 309 | /* |
| 310 | * if the io_u isn't in flight, then that generally |
| 311 | * means someone leaked an io_u. complain but fix |
| 312 | * it up, so we don't stall here. |
| 313 | */ |
| 314 | if ((io_u->flags & IO_U_F_FLIGHT) == 0) { |
| 315 | log_err("fio: non-busy IO on busy list\n"); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 316 | put_io_u(td, io_u); |
Jens Axboe | 0c6e751 | 2007-02-22 11:19:39 +0100 | [diff] [blame] | 317 | } else { |
| 318 | r = td->io_ops->cancel(td, io_u); |
| 319 | if (!r) |
| 320 | put_io_u(td, io_u); |
| 321 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 322 | } |
| 323 | } |
| 324 | |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 325 | if (td->cur_depth) |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 326 | r = io_u_queued_complete(td, td->cur_depth, NULL); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 327 | } |
| 328 | |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 329 | /* |
Jens Axboe | 858a3d4 | 2006-10-24 14:54:44 +0200 | [diff] [blame] | 330 | * Helper to handle the final sync of a file. Works just like the normal |
| 331 | * io path, just does everything sync. |
| 332 | */ |
| 333 | static int fio_io_sync(struct thread_data *td, struct fio_file *f) |
| 334 | { |
| 335 | struct io_u *io_u = __get_io_u(td); |
Jens Axboe | 858a3d4 | 2006-10-24 14:54:44 +0200 | [diff] [blame] | 336 | int ret; |
| 337 | |
| 338 | if (!io_u) |
| 339 | return 1; |
| 340 | |
| 341 | io_u->ddir = DDIR_SYNC; |
| 342 | io_u->file = f; |
| 343 | |
| 344 | if (td_io_prep(td, io_u)) { |
| 345 | put_io_u(td, io_u); |
| 346 | return 1; |
| 347 | } |
| 348 | |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 349 | requeue: |
Jens Axboe | 858a3d4 | 2006-10-24 14:54:44 +0200 | [diff] [blame] | 350 | ret = td_io_queue(td, io_u); |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 351 | if (ret < 0) { |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 352 | td_verror(td, io_u->error, "td_io_queue"); |
Jens Axboe | 858a3d4 | 2006-10-24 14:54:44 +0200 | [diff] [blame] | 353 | put_io_u(td, io_u); |
Jens Axboe | 858a3d4 | 2006-10-24 14:54:44 +0200 | [diff] [blame] | 354 | return 1; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 355 | } else if (ret == FIO_Q_QUEUED) { |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 356 | if (io_u_queued_complete(td, 1, NULL) < 0) |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 357 | return 1; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 358 | } else if (ret == FIO_Q_COMPLETED) { |
| 359 | if (io_u->error) { |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 360 | td_verror(td, io_u->error, "td_io_queue"); |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 361 | return 1; |
| 362 | } |
Jens Axboe | 858a3d4 | 2006-10-24 14:54:44 +0200 | [diff] [blame] | 363 | |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 364 | if (io_u_sync_complete(td, io_u, NULL) < 0) |
Jens Axboe | b2fdda4 | 2007-02-20 20:52:51 +0100 | [diff] [blame] | 365 | return 1; |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 366 | } else if (ret == FIO_Q_BUSY) { |
| 367 | if (td_io_commit(td)) |
| 368 | return 1; |
| 369 | goto requeue; |
Jens Axboe | 858a3d4 | 2006-10-24 14:54:44 +0200 | [diff] [blame] | 370 | } |
| 371 | |
| 372 | return 0; |
| 373 | } |
| 374 | |
Jens Axboe | 993bf48 | 2008-11-14 13:04:53 +0100 | [diff] [blame] | 375 | static inline void update_tv_cache(struct thread_data *td) |
| 376 | { |
| 377 | if ((++td->tv_cache_nr & td->tv_cache_mask) == td->tv_cache_mask) |
| 378 | fio_gettime(&td->tv_cache, NULL); |
| 379 | } |
| 380 | |
Radha Ramachandran | f2bba18 | 2009-06-15 08:40:16 +0200 | [diff] [blame] | 381 | static int break_on_this_error(struct thread_data *td, int *retptr) |
| 382 | { |
| 383 | int ret = *retptr; |
| 384 | |
| 385 | if (ret < 0 || td->error) { |
| 386 | int err; |
| 387 | |
Jens Axboe | 1ec99ee | 2009-06-15 12:37:30 +0200 | [diff] [blame] | 388 | if (!td->o.continue_on_error) |
| 389 | return 1; |
Radha Ramachandran | f2bba18 | 2009-06-15 08:40:16 +0200 | [diff] [blame] | 390 | |
| 391 | if (ret < 0) |
| 392 | err = -ret; |
| 393 | else |
| 394 | err = td->error; |
| 395 | |
Radha Ramachandran | f2bba18 | 2009-06-15 08:40:16 +0200 | [diff] [blame] | 396 | if (td_non_fatal_error(err)) { |
| 397 | /* |
| 398 | * Continue with the I/Os in case of |
| 399 | * a non fatal error. |
| 400 | */ |
Radha Ramachandran | 8a4f8a2 | 2009-07-02 08:30:49 +0200 | [diff] [blame] | 401 | update_error_count(td, err); |
Radha Ramachandran | f2bba18 | 2009-06-15 08:40:16 +0200 | [diff] [blame] | 402 | td_clear_error(td); |
| 403 | *retptr = 0; |
| 404 | return 0; |
Radha Ramachandran | 8a4f8a2 | 2009-07-02 08:30:49 +0200 | [diff] [blame] | 405 | } else if (td->o.fill_device && err == ENOSPC) { |
| 406 | /* |
| 407 | * We expect to hit this error if |
| 408 | * fill_device option is set. |
| 409 | */ |
| 410 | td_clear_error(td); |
| 411 | td->terminate = 1; |
| 412 | return 1; |
Radha Ramachandran | f2bba18 | 2009-06-15 08:40:16 +0200 | [diff] [blame] | 413 | } else { |
| 414 | /* |
| 415 | * Stop the I/O in case of a fatal |
| 416 | * error. |
| 417 | */ |
Radha Ramachandran | 8a4f8a2 | 2009-07-02 08:30:49 +0200 | [diff] [blame] | 418 | update_error_count(td, err); |
Radha Ramachandran | f2bba18 | 2009-06-15 08:40:16 +0200 | [diff] [blame] | 419 | return 1; |
| 420 | } |
| 421 | } |
| 422 | |
| 423 | return 0; |
| 424 | } |
| 425 | |
Jens Axboe | 858a3d4 | 2006-10-24 14:54:44 +0200 | [diff] [blame] | 426 | /* |
Jens Axboe | 34403fb | 2007-03-02 21:43:25 +0100 | [diff] [blame] | 427 | * The main verify engine. Runs over the writes we previously submitted, |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 428 | * reads the blocks back in, and checks the crc/md5 of the data. |
| 429 | */ |
Jens Axboe | 1e97cce | 2006-12-05 11:44:16 +0100 | [diff] [blame] | 430 | static void do_verify(struct thread_data *td) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 431 | { |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 432 | struct fio_file *f; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 433 | struct io_u *io_u; |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 434 | int ret, min_events; |
| 435 | unsigned int i; |
Jens Axboe | e5b401d | 2006-10-18 16:03:40 +0200 | [diff] [blame] | 436 | |
Jens Axboe | 008618a | 2010-03-18 19:29:45 +0100 | [diff] [blame] | 437 | dprint(FD_VERIFY, "starting loop\n"); |
| 438 | |
Jens Axboe | e5b401d | 2006-10-18 16:03:40 +0200 | [diff] [blame] | 439 | /* |
| 440 | * sync io first and invalidate cache, to make sure we really |
| 441 | * read from disk. |
| 442 | */ |
| 443 | for_each_file(td, f, i) { |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 444 | if (!fio_file_open(f)) |
Jens Axboe | 3d7b485 | 2007-03-13 14:50:28 +0100 | [diff] [blame] | 445 | continue; |
Jens Axboe | b2fdda4 | 2007-02-20 20:52:51 +0100 | [diff] [blame] | 446 | if (fio_io_sync(td, f)) |
| 447 | break; |
| 448 | if (file_invalidate_cache(td, f)) |
| 449 | break; |
Jens Axboe | e5b401d | 2006-10-18 16:03:40 +0200 | [diff] [blame] | 450 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 451 | |
Jens Axboe | b2fdda4 | 2007-02-20 20:52:51 +0100 | [diff] [blame] | 452 | if (td->error) |
| 453 | return; |
| 454 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 455 | td_set_runstate(td, TD_VERIFYING); |
| 456 | |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 457 | io_u = NULL; |
| 458 | while (!td->terminate) { |
Jens Axboe | 4950421 | 2008-06-05 09:03:30 +0200 | [diff] [blame] | 459 | int ret2, full; |
Jens Axboe | 5451792 | 2007-03-05 10:06:06 +0100 | [diff] [blame] | 460 | |
Jens Axboe | 993bf48 | 2008-11-14 13:04:53 +0100 | [diff] [blame] | 461 | update_tv_cache(td); |
| 462 | |
| 463 | if (runtime_exceeded(td, &td->tv_cache)) { |
Jens Axboe | 90a87d4 | 2007-04-18 09:02:32 +0200 | [diff] [blame] | 464 | td->terminate = 1; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 465 | break; |
Jens Axboe | 069c291 | 2007-02-21 23:02:39 +0100 | [diff] [blame] | 466 | } |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 467 | |
Radha Ramachandran | dcb4830 | 2009-06-16 08:31:29 +0200 | [diff] [blame] | 468 | io_u = __get_io_u(td); |
| 469 | if (!io_u) |
| 470 | break; |
| 471 | |
Jens Axboe | 069c291 | 2007-02-21 23:02:39 +0100 | [diff] [blame] | 472 | if (get_next_verify(td, io_u)) { |
| 473 | put_io_u(td, io_u); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 474 | break; |
Jens Axboe | 069c291 | 2007-02-21 23:02:39 +0100 | [diff] [blame] | 475 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 476 | |
Jens Axboe | 069c291 | 2007-02-21 23:02:39 +0100 | [diff] [blame] | 477 | if (td_io_prep(td, io_u)) { |
| 478 | put_io_u(td, io_u); |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 479 | break; |
Jens Axboe | 069c291 | 2007-02-21 23:02:39 +0100 | [diff] [blame] | 480 | } |
Jens Axboe | d7762cf | 2007-02-23 12:34:57 +0100 | [diff] [blame] | 481 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 482 | if (td->o.verify_async) |
| 483 | io_u->end_io = verify_io_u_async; |
| 484 | else |
| 485 | io_u->end_io = verify_io_u; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 486 | |
Jens Axboe | 1178680 | 2007-03-05 18:33:22 +0100 | [diff] [blame] | 487 | ret = td_io_queue(td, io_u); |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 488 | switch (ret) { |
| 489 | case FIO_Q_COMPLETED: |
Radha Ramachandran | f2bba18 | 2009-06-15 08:40:16 +0200 | [diff] [blame] | 490 | if (io_u->error) { |
Jens Axboe | 22819ec | 2007-02-18 07:47:14 +0100 | [diff] [blame] | 491 | ret = -io_u->error; |
Radha Ramachandran | f2bba18 | 2009-06-15 08:40:16 +0200 | [diff] [blame] | 492 | clear_io_u(td, io_u); |
| 493 | } else if (io_u->resid) { |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 494 | int bytes = io_u->xfer_buflen - io_u->resid; |
| 495 | |
Jens Axboe | 9e9d164 | 2007-03-12 09:37:46 +0100 | [diff] [blame] | 496 | /* |
| 497 | * zero read, fail |
| 498 | */ |
| 499 | if (!bytes) { |
Jens Axboe | 41d9f0f | 2008-06-02 12:19:50 +0200 | [diff] [blame] | 500 | td_verror(td, EIO, "full resid"); |
Jens Axboe | 9e9d164 | 2007-03-12 09:37:46 +0100 | [diff] [blame] | 501 | put_io_u(td, io_u); |
| 502 | break; |
| 503 | } |
Jens Axboe | 8400d9b | 2007-03-28 11:10:09 +0200 | [diff] [blame] | 504 | |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 505 | io_u->xfer_buflen = io_u->resid; |
| 506 | io_u->xfer_buf += bytes; |
Jens Axboe | 8400d9b | 2007-03-28 11:10:09 +0200 | [diff] [blame] | 507 | io_u->offset += bytes; |
| 508 | |
Jens Axboe | ff58fce | 2010-08-25 12:02:08 +0200 | [diff] [blame] | 509 | if (ddir_rw(io_u->ddir)) |
| 510 | td->ts.short_io_u[io_u->ddir]++; |
Jens Axboe | 30061b9 | 2007-04-17 13:31:34 +0200 | [diff] [blame] | 511 | |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 512 | f = io_u->file; |
Jens Axboe | d460eb3 | 2007-04-16 21:39:33 +0200 | [diff] [blame] | 513 | if (io_u->offset == f->real_file_size) |
Jens Axboe | 8400d9b | 2007-03-28 11:10:09 +0200 | [diff] [blame] | 514 | goto sync_done; |
| 515 | |
Jens Axboe | 1178680 | 2007-03-05 18:33:22 +0100 | [diff] [blame] | 516 | requeue_io_u(td, &io_u); |
| 517 | } else { |
Jens Axboe | 8400d9b | 2007-03-28 11:10:09 +0200 | [diff] [blame] | 518 | sync_done: |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 519 | ret = io_u_sync_complete(td, io_u, NULL); |
Jens Axboe | 1178680 | 2007-03-05 18:33:22 +0100 | [diff] [blame] | 520 | if (ret < 0) |
| 521 | break; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 522 | } |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 523 | continue; |
| 524 | case FIO_Q_QUEUED: |
| 525 | break; |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 526 | case FIO_Q_BUSY: |
| 527 | requeue_io_u(td, &io_u); |
Jens Axboe | 5451792 | 2007-03-05 10:06:06 +0100 | [diff] [blame] | 528 | ret2 = td_io_commit(td); |
| 529 | if (ret2 < 0) |
| 530 | ret = ret2; |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 531 | break; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 532 | default: |
| 533 | assert(ret < 0); |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 534 | td_verror(td, -ret, "td_io_queue"); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 535 | break; |
| 536 | } |
| 537 | |
Radha Ramachandran | f2bba18 | 2009-06-15 08:40:16 +0200 | [diff] [blame] | 538 | if (break_on_this_error(td, &ret)) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 539 | break; |
| 540 | |
Jens Axboe | 3af6ef3 | 2007-02-18 06:57:43 +0100 | [diff] [blame] | 541 | /* |
| 542 | * if we can queue more, do so. but check if there are |
| 543 | * completed io_u's first. |
| 544 | */ |
Jens Axboe | 4950421 | 2008-06-05 09:03:30 +0200 | [diff] [blame] | 545 | full = queue_full(td) || ret == FIO_Q_BUSY; |
| 546 | if (full || !td->o.iodepth_batch_complete) { |
Radha Ramachandran | 6a96276 | 2009-11-05 08:33:49 +0100 | [diff] [blame] | 547 | min_events = min(td->o.iodepth_batch_complete, |
| 548 | td->cur_depth); |
Jens Axboe | 4950421 | 2008-06-05 09:03:30 +0200 | [diff] [blame] | 549 | if (full && !min_events) |
Jens Axboe | 838bc70 | 2008-05-22 13:08:23 +0200 | [diff] [blame] | 550 | min_events = 1; |
Jens Axboe | e916b39 | 2007-02-20 14:37:26 +0100 | [diff] [blame] | 551 | |
Jens Axboe | 4950421 | 2008-06-05 09:03:30 +0200 | [diff] [blame] | 552 | do { |
| 553 | /* |
| 554 | * Reap required number of io units, if any, |
| 555 | * and do the verification on them through |
| 556 | * the callback handler |
| 557 | */ |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 558 | if (io_u_queued_complete(td, min_events, NULL) < 0) { |
Jens Axboe | 4950421 | 2008-06-05 09:03:30 +0200 | [diff] [blame] | 559 | ret = -1; |
| 560 | break; |
| 561 | } |
| 562 | } while (full && (td->cur_depth > td->o.iodepth_low)); |
| 563 | } |
| 564 | if (ret < 0) |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 565 | break; |
| 566 | } |
| 567 | |
Jens Axboe | c01c039 | 2007-02-26 12:43:42 +0100 | [diff] [blame] | 568 | if (!td->error) { |
| 569 | min_events = td->cur_depth; |
| 570 | |
| 571 | if (min_events) |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 572 | ret = io_u_queued_complete(td, min_events, NULL); |
Jens Axboe | c01c039 | 2007-02-26 12:43:42 +0100 | [diff] [blame] | 573 | } else |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 574 | cleanup_pending_aio(td); |
| 575 | |
| 576 | td_set_runstate(td, TD_RUNNING); |
Jens Axboe | 008618a | 2010-03-18 19:29:45 +0100 | [diff] [blame] | 577 | |
| 578 | dprint(FD_VERIFY, "exiting loop\n"); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 579 | } |
| 580 | |
Jens Axboe | 32cd46a | 2006-06-07 13:40:40 +0200 | [diff] [blame] | 581 | /* |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 582 | * 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] | 583 | * and reaps them, checking for rate and errors along the way. |
| 584 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 585 | static void do_io(struct thread_data *td) |
| 586 | { |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 587 | unsigned int i; |
| 588 | int ret = 0; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 589 | |
Jens Axboe | b29ee5b | 2008-09-11 10:17:26 +0200 | [diff] [blame] | 590 | if (in_ramp_time(td)) |
| 591 | td_set_runstate(td, TD_RAMP); |
| 592 | else |
| 593 | td_set_runstate(td, TD_RUNNING); |
Jens Axboe | 5853e5a | 2006-06-08 14:41:05 +0200 | [diff] [blame] | 594 | |
Glen Ogilvie | 457bf39 | 2009-11-03 21:52:36 +0100 | [diff] [blame] | 595 | while ( (td->o.read_iolog_file && !flist_empty(&td->io_log_list)) || |
Jens Axboe | a917a8b | 2010-09-02 13:23:20 +0200 | [diff] [blame] | 596 | (!flist_empty(&td->trim_list)) || |
Glen Ogilvie | 457bf39 | 2009-11-03 21:52:36 +0100 | [diff] [blame] | 597 | ((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] | 598 | struct timeval comp_time; |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 599 | unsigned long bytes_done[2] = { 0, 0 }; |
Jens Axboe | 8458500 | 2006-10-19 20:26:22 +0200 | [diff] [blame] | 600 | int min_evts = 0; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 601 | struct io_u *io_u; |
Jens Axboe | 4950421 | 2008-06-05 09:03:30 +0200 | [diff] [blame] | 602 | int ret2, full; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 603 | |
| 604 | if (td->terminate) |
| 605 | break; |
| 606 | |
Jens Axboe | 993bf48 | 2008-11-14 13:04:53 +0100 | [diff] [blame] | 607 | update_tv_cache(td); |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 608 | |
Jens Axboe | 993bf48 | 2008-11-14 13:04:53 +0100 | [diff] [blame] | 609 | if (runtime_exceeded(td, &td->tv_cache)) { |
Jens Axboe | 90a87d4 | 2007-04-18 09:02:32 +0200 | [diff] [blame] | 610 | td->terminate = 1; |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 611 | break; |
| 612 | } |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 613 | |
Radha Ramachandran | dcb4830 | 2009-06-16 08:31:29 +0200 | [diff] [blame] | 614 | io_u = get_io_u(td); |
| 615 | if (!io_u) |
| 616 | break; |
| 617 | |
Jens Axboe | b67740d | 2007-07-26 12:22:30 +0200 | [diff] [blame] | 618 | /* |
| 619 | * Add verification end_io handler, if asked to verify |
| 620 | * a previously written file. |
| 621 | */ |
Jens Axboe | 715d2b3 | 2009-09-04 20:53:53 +0200 | [diff] [blame] | 622 | if (td->o.verify != VERIFY_NONE && io_u->ddir == DDIR_READ && |
| 623 | !td_rw(td)) { |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 624 | if (td->o.verify_async) |
| 625 | io_u->end_io = verify_io_u_async; |
| 626 | else |
| 627 | io_u->end_io = verify_io_u; |
Jens Axboe | d8fab1b | 2008-03-06 10:25:17 +0100 | [diff] [blame] | 628 | td_set_runstate(td, TD_VERIFYING); |
Jens Axboe | b29ee5b | 2008-09-11 10:17:26 +0200 | [diff] [blame] | 629 | } else if (in_ramp_time(td)) |
| 630 | td_set_runstate(td, TD_RAMP); |
| 631 | else |
Jens Axboe | d8fab1b | 2008-03-06 10:25:17 +0100 | [diff] [blame] | 632 | td_set_runstate(td, TD_RUNNING); |
Jens Axboe | b67740d | 2007-07-26 12:22:30 +0200 | [diff] [blame] | 633 | |
Jens Axboe | 1178680 | 2007-03-05 18:33:22 +0100 | [diff] [blame] | 634 | ret = td_io_queue(td, io_u); |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 635 | switch (ret) { |
| 636 | case FIO_Q_COMPLETED: |
Radha Ramachandran | f2bba18 | 2009-06-15 08:40:16 +0200 | [diff] [blame] | 637 | if (io_u->error) { |
Jens Axboe | 5451792 | 2007-03-05 10:06:06 +0100 | [diff] [blame] | 638 | ret = -io_u->error; |
Radha Ramachandran | f2bba18 | 2009-06-15 08:40:16 +0200 | [diff] [blame] | 639 | clear_io_u(td, io_u); |
| 640 | } else if (io_u->resid) { |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 641 | int bytes = io_u->xfer_buflen - io_u->resid; |
Jens Axboe | d460eb3 | 2007-04-16 21:39:33 +0200 | [diff] [blame] | 642 | struct fio_file *f = io_u->file; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 643 | |
Jens Axboe | 9e9d164 | 2007-03-12 09:37:46 +0100 | [diff] [blame] | 644 | /* |
| 645 | * zero read, fail |
| 646 | */ |
| 647 | if (!bytes) { |
Jens Axboe | 41d9f0f | 2008-06-02 12:19:50 +0200 | [diff] [blame] | 648 | td_verror(td, EIO, "full resid"); |
Jens Axboe | 9e9d164 | 2007-03-12 09:37:46 +0100 | [diff] [blame] | 649 | put_io_u(td, io_u); |
| 650 | break; |
| 651 | } |
| 652 | |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 653 | io_u->xfer_buflen = io_u->resid; |
| 654 | io_u->xfer_buf += bytes; |
Jens Axboe | 5a7c568 | 2007-03-28 11:07:20 +0200 | [diff] [blame] | 655 | io_u->offset += bytes; |
| 656 | |
Jens Axboe | ff58fce | 2010-08-25 12:02:08 +0200 | [diff] [blame] | 657 | if (ddir_rw(io_u->ddir)) |
| 658 | td->ts.short_io_u[io_u->ddir]++; |
Jens Axboe | 30061b9 | 2007-04-17 13:31:34 +0200 | [diff] [blame] | 659 | |
Jens Axboe | d460eb3 | 2007-04-16 21:39:33 +0200 | [diff] [blame] | 660 | if (io_u->offset == f->real_file_size) |
Jens Axboe | 5a7c568 | 2007-03-28 11:07:20 +0200 | [diff] [blame] | 661 | goto sync_done; |
| 662 | |
Jens Axboe | 1178680 | 2007-03-05 18:33:22 +0100 | [diff] [blame] | 663 | requeue_io_u(td, &io_u); |
| 664 | } else { |
Jens Axboe | 5a7c568 | 2007-03-28 11:07:20 +0200 | [diff] [blame] | 665 | sync_done: |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 666 | if (__should_check_rate(td, 0) || |
| 667 | __should_check_rate(td, 1)) |
Jens Axboe | 993bf48 | 2008-11-14 13:04:53 +0100 | [diff] [blame] | 668 | fio_gettime(&comp_time, NULL); |
| 669 | |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 670 | ret = io_u_sync_complete(td, io_u, bytes_done); |
| 671 | if (ret < 0) |
| 672 | break; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 673 | } |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 674 | break; |
| 675 | case FIO_Q_QUEUED: |
Jens Axboe | 7e77dd0 | 2007-02-20 10:57:34 +0100 | [diff] [blame] | 676 | /* |
| 677 | * if the engine doesn't have a commit hook, |
| 678 | * the io_u is really queued. if it does have such |
| 679 | * a hook, it has to call io_u_queued() itself. |
| 680 | */ |
| 681 | if (td->io_ops->commit == NULL) |
| 682 | io_u_queued(td, io_u); |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 683 | break; |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 684 | case FIO_Q_BUSY: |
| 685 | requeue_io_u(td, &io_u); |
Jens Axboe | 5451792 | 2007-03-05 10:06:06 +0100 | [diff] [blame] | 686 | ret2 = td_io_commit(td); |
| 687 | if (ret2 < 0) |
| 688 | ret = ret2; |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 689 | break; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 690 | default: |
| 691 | assert(ret < 0); |
| 692 | put_io_u(td, io_u); |
| 693 | break; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 694 | } |
| 695 | |
Radha Ramachandran | f2bba18 | 2009-06-15 08:40:16 +0200 | [diff] [blame] | 696 | if (break_on_this_error(td, &ret)) |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 697 | break; |
| 698 | |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 699 | /* |
| 700 | * See if we need to complete some commands |
| 701 | */ |
Jens Axboe | 4950421 | 2008-06-05 09:03:30 +0200 | [diff] [blame] | 702 | full = queue_full(td) || ret == FIO_Q_BUSY; |
| 703 | if (full || !td->o.iodepth_batch_complete) { |
Radha Ramachandran | 6a96276 | 2009-11-05 08:33:49 +0100 | [diff] [blame] | 704 | min_evts = min(td->o.iodepth_batch_complete, |
| 705 | td->cur_depth); |
Jens Axboe | 4950421 | 2008-06-05 09:03:30 +0200 | [diff] [blame] | 706 | if (full && !min_evts) |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 707 | min_evts = 1; |
Jens Axboe | 4950421 | 2008-06-05 09:03:30 +0200 | [diff] [blame] | 708 | |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 709 | if (__should_check_rate(td, 0) || |
| 710 | __should_check_rate(td, 1)) |
Jens Axboe | 993bf48 | 2008-11-14 13:04:53 +0100 | [diff] [blame] | 711 | fio_gettime(&comp_time, NULL); |
Jens Axboe | 4950421 | 2008-06-05 09:03:30 +0200 | [diff] [blame] | 712 | |
| 713 | do { |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 714 | ret = io_u_queued_complete(td, min_evts, bytes_done); |
| 715 | if (ret < 0) |
Jens Axboe | 4950421 | 2008-06-05 09:03:30 +0200 | [diff] [blame] | 716 | break; |
| 717 | |
Jens Axboe | 4950421 | 2008-06-05 09:03:30 +0200 | [diff] [blame] | 718 | } while (full && (td->cur_depth > td->o.iodepth_low)); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 719 | } |
| 720 | |
Jens Axboe | 4950421 | 2008-06-05 09:03:30 +0200 | [diff] [blame] | 721 | if (ret < 0) |
| 722 | break; |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 723 | if (!(bytes_done[0] + bytes_done[1])) |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 724 | continue; |
| 725 | |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 726 | if (!in_ramp_time(td) && should_check_rate(td, bytes_done)) { |
| 727 | if (check_min_rate(td, &comp_time, bytes_done)) { |
Jens Axboe | 721938a | 2008-09-10 09:46:16 +0200 | [diff] [blame] | 728 | if (exitall_on_terminate) |
| 729 | terminate_threads(td->groupid); |
| 730 | td_verror(td, EIO, "check_min_rate"); |
| 731 | break; |
| 732 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 733 | } |
| 734 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 735 | if (td->o.thinktime) { |
Jens Axboe | 9c1f743 | 2007-01-03 20:43:19 +0100 | [diff] [blame] | 736 | unsigned long long b; |
| 737 | |
| 738 | b = td->io_blocks[0] + td->io_blocks[1]; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 739 | if (!(b % td->o.thinktime_blocks)) { |
Jens Axboe | 48097d5 | 2007-02-17 06:30:44 +0100 | [diff] [blame] | 740 | int left; |
| 741 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 742 | if (td->o.thinktime_spin) |
Jens Axboe | 6dd6f2c | 2008-12-10 13:24:12 +0100 | [diff] [blame] | 743 | usec_spin(td->o.thinktime_spin); |
Jens Axboe | 48097d5 | 2007-02-17 06:30:44 +0100 | [diff] [blame] | 744 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 745 | left = td->o.thinktime - td->o.thinktime_spin; |
Jens Axboe | 48097d5 | 2007-02-17 06:30:44 +0100 | [diff] [blame] | 746 | if (left) |
| 747 | usec_sleep(td, left); |
| 748 | } |
Jens Axboe | 9c1f743 | 2007-01-03 20:43:19 +0100 | [diff] [blame] | 749 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 750 | } |
| 751 | |
Jens Axboe | d708ac5 | 2010-09-02 13:29:55 +0200 | [diff] [blame] | 752 | if (td->trim_entries) |
| 753 | printf("trim entries %ld\n", td->trim_entries); |
Jens Axboe | a917a8b | 2010-09-02 13:23:20 +0200 | [diff] [blame] | 754 | |
Shawn Lewis | aa31f1f | 2008-01-11 09:45:11 +0100 | [diff] [blame] | 755 | if (td->o.fill_device && td->error == ENOSPC) { |
| 756 | td->error = 0; |
| 757 | td->terminate = 1; |
| 758 | } |
Jens Axboe | 4d2413c | 2006-11-23 11:58:59 +0100 | [diff] [blame] | 759 | if (!td->error) { |
Jens Axboe | 3d7c391 | 2007-02-19 13:16:12 +0100 | [diff] [blame] | 760 | struct fio_file *f; |
| 761 | |
Jens Axboe | c01c039 | 2007-02-26 12:43:42 +0100 | [diff] [blame] | 762 | i = td->cur_depth; |
| 763 | if (i) |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 764 | ret = io_u_queued_complete(td, i, NULL); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 765 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 766 | if (should_fsync(td) && td->o.end_fsync) { |
Jens Axboe | 8458500 | 2006-10-19 20:26:22 +0200 | [diff] [blame] | 767 | td_set_runstate(td, TD_FSYNCING); |
Jens Axboe | 3d7b485 | 2007-03-13 14:50:28 +0100 | [diff] [blame] | 768 | |
| 769 | for_each_file(td, f, i) { |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 770 | if (!fio_file_open(f)) |
Jens Axboe | 3d7b485 | 2007-03-13 14:50:28 +0100 | [diff] [blame] | 771 | continue; |
Jens Axboe | 858a3d4 | 2006-10-24 14:54:44 +0200 | [diff] [blame] | 772 | fio_io_sync(td, f); |
Jens Axboe | 3d7b485 | 2007-03-13 14:50:28 +0100 | [diff] [blame] | 773 | } |
Jens Axboe | 8458500 | 2006-10-19 20:26:22 +0200 | [diff] [blame] | 774 | } |
Jens Axboe | c01c039 | 2007-02-26 12:43:42 +0100 | [diff] [blame] | 775 | } else |
| 776 | cleanup_pending_aio(td); |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 777 | |
| 778 | /* |
| 779 | * stop job if we failed doing any IO |
| 780 | */ |
| 781 | if ((td->this_io_bytes[0] + td->this_io_bytes[1]) == 0) |
| 782 | td->done = 1; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 783 | } |
| 784 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 785 | static void cleanup_io_u(struct thread_data *td) |
| 786 | { |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 787 | struct flist_head *entry, *n; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 788 | struct io_u *io_u; |
| 789 | |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 790 | flist_for_each_safe(entry, n, &td->io_u_freelist) { |
| 791 | io_u = flist_entry(entry, struct io_u, list); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 792 | |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 793 | flist_del(&io_u->list); |
Jens Axboe | 91aea6e | 2011-04-25 20:46:58 +0200 | [diff] [blame] | 794 | fio_memfree(io_u, sizeof(*io_u)); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 795 | } |
| 796 | |
Jens Axboe | 2f9ade3 | 2006-10-20 11:25:52 +0200 | [diff] [blame] | 797 | free_io_mem(td); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 798 | } |
| 799 | |
| 800 | static int init_io_u(struct thread_data *td) |
| 801 | { |
| 802 | struct io_u *io_u; |
Jens Axboe | a00735e | 2006-11-03 08:58:08 +0100 | [diff] [blame] | 803 | unsigned int max_bs; |
Jens Axboe | eb7ccf3 | 2009-04-29 09:48:04 +0200 | [diff] [blame] | 804 | int cl_align, i, max_units; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 805 | char *p; |
| 806 | |
Jens Axboe | 1e3c09a | 2008-02-04 10:48:13 +0100 | [diff] [blame] | 807 | max_units = td->o.iodepth; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 808 | 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] | 809 | td->orig_buffer_size = (unsigned long long) max_bs |
| 810 | * (unsigned long long) max_units; |
Jens Axboe | 74b025b | 2006-12-19 15:18:14 +0100 | [diff] [blame] | 811 | |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 812 | if (td->o.mem_type == MEM_SHMHUGE || td->o.mem_type == MEM_MMAPHUGE) { |
| 813 | unsigned long bs; |
| 814 | |
| 815 | bs = td->orig_buffer_size + td->o.hugepage_size - 1; |
| 816 | td->orig_buffer_size = bs & ~(td->o.hugepage_size - 1); |
| 817 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 818 | |
Jens Axboe | c399064 | 2007-07-19 10:17:09 +0200 | [diff] [blame] | 819 | if (td->orig_buffer_size != (size_t) td->orig_buffer_size) { |
| 820 | log_err("fio: IO memory too large. Reduce max_bs or iodepth\n"); |
| 821 | return 1; |
| 822 | } |
| 823 | |
Jens Axboe | 2f9ade3 | 2006-10-20 11:25:52 +0200 | [diff] [blame] | 824 | if (allocate_io_mem(td)) |
| 825 | return 1; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 826 | |
Jens Axboe | 1c04bf7 | 2010-09-07 13:28:17 +0200 | [diff] [blame] | 827 | if (td->o.odirect || td->o.mem_align || |
| 828 | (td->io_ops->flags & FIO_RAWIO)) |
Jens Axboe | d529ee1 | 2009-07-01 10:33:03 +0200 | [diff] [blame] | 829 | p = PAGE_ALIGN(td->orig_buffer) + td->o.mem_align; |
Jens Axboe | b3f378e | 2007-07-20 12:39:22 +0200 | [diff] [blame] | 830 | else |
| 831 | p = td->orig_buffer; |
| 832 | |
Jens Axboe | eb7ccf3 | 2009-04-29 09:48:04 +0200 | [diff] [blame] | 833 | cl_align = os_cache_line_size(); |
| 834 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 835 | for (i = 0; i < max_units; i++) { |
Jens Axboe | eb7ccf3 | 2009-04-29 09:48:04 +0200 | [diff] [blame] | 836 | void *ptr; |
| 837 | |
Jens Axboe | db1cd90 | 2007-04-26 13:47:07 +0200 | [diff] [blame] | 838 | if (td->terminate) |
| 839 | return 1; |
Jens Axboe | eb7ccf3 | 2009-04-29 09:48:04 +0200 | [diff] [blame] | 840 | |
Jens Axboe | 91aea6e | 2011-04-25 20:46:58 +0200 | [diff] [blame] | 841 | ptr = fio_memalign(cl_align, sizeof(*io_u)); |
| 842 | if (!ptr) { |
| 843 | log_err("fio: unable to allocate aligned memory\n"); |
Jens Axboe | eb7ccf3 | 2009-04-29 09:48:04 +0200 | [diff] [blame] | 844 | break; |
| 845 | } |
| 846 | |
| 847 | io_u = ptr; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 848 | memset(io_u, 0, sizeof(*io_u)); |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 849 | INIT_FLIST_HEAD(&io_u->list); |
Jens Axboe | d529ee1 | 2009-07-01 10:33:03 +0200 | [diff] [blame] | 850 | 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] | 851 | |
Jens Axboe | b4c5e1a | 2007-10-25 18:44:45 +0200 | [diff] [blame] | 852 | if (!(td->io_ops->flags & FIO_NOIO)) { |
| 853 | io_u->buf = p + max_bs * i; |
Jens Axboe | d529ee1 | 2009-07-01 10:33:03 +0200 | [diff] [blame] | 854 | 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] | 855 | |
Jens Axboe | 5973caf | 2008-05-21 19:52:35 +0200 | [diff] [blame] | 856 | if (td_write(td) && !td->o.refill_buffers) |
| 857 | io_u_fill_buffer(td, io_u, max_bs); |
Radha Ramachandran | cbe8d75 | 2010-07-14 08:36:07 +0200 | [diff] [blame] | 858 | else if (td_write(td) && td->o.verify_pattern_bytes) { |
| 859 | /* |
| 860 | * Fill the buffer with the pattern if we are |
| 861 | * going to be doing writes. |
| 862 | */ |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 863 | fill_pattern(td, io_u->buf, max_bs, io_u, 0, 0); |
Radha Ramachandran | cbe8d75 | 2010-07-14 08:36:07 +0200 | [diff] [blame] | 864 | } |
Jens Axboe | b4c5e1a | 2007-10-25 18:44:45 +0200 | [diff] [blame] | 865 | } |
Jens Axboe | 6b9cea2 | 2006-10-30 17:00:24 +0100 | [diff] [blame] | 866 | |
Jens Axboe | b1ff340 | 2006-02-17 11:35:58 +0100 | [diff] [blame] | 867 | io_u->index = i; |
Jens Axboe | 0c6e751 | 2007-02-22 11:19:39 +0100 | [diff] [blame] | 868 | io_u->flags = IO_U_F_FREE; |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 869 | flist_add(&io_u->list, &td->io_u_freelist); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 870 | } |
| 871 | |
| 872 | return 0; |
| 873 | } |
| 874 | |
Jens Axboe | da86774 | 2006-06-06 10:39:10 -0700 | [diff] [blame] | 875 | static int switch_ioscheduler(struct thread_data *td) |
| 876 | { |
| 877 | char tmp[256], tmp2[128]; |
| 878 | FILE *f; |
| 879 | int ret; |
| 880 | |
Jens Axboe | ba0fbe1 | 2007-03-09 14:34:23 +0100 | [diff] [blame] | 881 | if (td->io_ops->flags & FIO_DISKLESSIO) |
Jens Axboe | f48b467 | 2006-10-27 11:30:07 +0200 | [diff] [blame] | 882 | return 0; |
| 883 | |
Jens Axboe | da86774 | 2006-06-06 10:39:10 -0700 | [diff] [blame] | 884 | sprintf(tmp, "%s/queue/scheduler", td->sysfs_root); |
| 885 | |
| 886 | f = fopen(tmp, "r+"); |
| 887 | if (!f) { |
Jens Axboe | cbf5c1d | 2007-04-16 12:56:00 +0200 | [diff] [blame] | 888 | if (errno == ENOENT) { |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 889 | log_err("fio: os or kernel doesn't support IO scheduler" |
| 890 | " switching\n"); |
Jens Axboe | cbf5c1d | 2007-04-16 12:56:00 +0200 | [diff] [blame] | 891 | return 0; |
| 892 | } |
| 893 | td_verror(td, errno, "fopen iosched"); |
Jens Axboe | da86774 | 2006-06-06 10:39:10 -0700 | [diff] [blame] | 894 | return 1; |
| 895 | } |
| 896 | |
| 897 | /* |
| 898 | * Set io scheduler. |
| 899 | */ |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 900 | ret = fwrite(td->o.ioscheduler, strlen(td->o.ioscheduler), 1, f); |
Jens Axboe | da86774 | 2006-06-06 10:39:10 -0700 | [diff] [blame] | 901 | if (ferror(f) || ret != 1) { |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 902 | td_verror(td, errno, "fwrite"); |
Jens Axboe | da86774 | 2006-06-06 10:39:10 -0700 | [diff] [blame] | 903 | fclose(f); |
| 904 | return 1; |
| 905 | } |
| 906 | |
| 907 | rewind(f); |
| 908 | |
| 909 | /* |
| 910 | * Read back and check that the selected scheduler is now the default. |
| 911 | */ |
| 912 | ret = fread(tmp, 1, sizeof(tmp), f); |
| 913 | if (ferror(f) || ret < 0) { |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 914 | td_verror(td, errno, "fread"); |
Jens Axboe | da86774 | 2006-06-06 10:39:10 -0700 | [diff] [blame] | 915 | fclose(f); |
| 916 | return 1; |
| 917 | } |
| 918 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 919 | sprintf(tmp2, "[%s]", td->o.ioscheduler); |
Jens Axboe | da86774 | 2006-06-06 10:39:10 -0700 | [diff] [blame] | 920 | if (!strstr(tmp, tmp2)) { |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 921 | log_err("fio: io scheduler %s not found\n", td->o.ioscheduler); |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 922 | td_verror(td, EINVAL, "iosched_switch"); |
Jens Axboe | da86774 | 2006-06-06 10:39:10 -0700 | [diff] [blame] | 923 | fclose(f); |
| 924 | return 1; |
| 925 | } |
| 926 | |
| 927 | fclose(f); |
| 928 | return 0; |
| 929 | } |
| 930 | |
Jens Axboe | 492158c | 2007-05-24 10:32:47 +0200 | [diff] [blame] | 931 | static int keep_running(struct thread_data *td) |
| 932 | { |
| 933 | unsigned long long io_done; |
| 934 | |
Jens Axboe | 20e354e | 2007-07-23 14:36:16 +0200 | [diff] [blame] | 935 | if (td->done) |
| 936 | return 0; |
Jens Axboe | 492158c | 2007-05-24 10:32:47 +0200 | [diff] [blame] | 937 | if (td->o.time_based) |
| 938 | return 1; |
| 939 | if (td->o.loops) { |
| 940 | td->o.loops--; |
| 941 | return 1; |
| 942 | } |
| 943 | |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 944 | io_done = td->io_bytes[DDIR_READ] + td->io_bytes[DDIR_WRITE] |
| 945 | + td->io_skip_bytes; |
Jens Axboe | 492158c | 2007-05-24 10:32:47 +0200 | [diff] [blame] | 946 | if (io_done < td->o.size) |
| 947 | return 1; |
| 948 | |
| 949 | return 0; |
| 950 | } |
| 951 | |
Jens Axboe | b29ee5b | 2008-09-11 10:17:26 +0200 | [diff] [blame] | 952 | static void reset_io_counters(struct thread_data *td) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 953 | { |
Jens Axboe | 756867b | 2007-03-06 15:19:24 +0100 | [diff] [blame] | 954 | 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] | 955 | td->this_io_bytes[0] = td->this_io_bytes[1] = 0; |
Jens Axboe | 20dc95c | 2005-12-09 10:29:35 +0100 | [diff] [blame] | 956 | td->zone_bytes = 0; |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 957 | td->rate_bytes[0] = td->rate_bytes[1] = 0; |
| 958 | td->rate_blocks[0] = td->rate_blocks[1] = 0; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 959 | |
Jens Axboe | c1324df | 2007-02-19 19:06:41 +0100 | [diff] [blame] | 960 | td->last_was_sync = 0; |
| 961 | |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 962 | /* |
| 963 | * reset file done count if we are to start over |
| 964 | */ |
| 965 | if (td->o.time_based || td->o.loops) |
Jens Axboe | 48f5abd | 2007-07-20 13:25:04 +0200 | [diff] [blame] | 966 | td->nr_done_files = 0; |
Jens Axboe | 5bfc35d | 2009-04-07 13:28:12 +0200 | [diff] [blame] | 967 | |
| 968 | /* |
| 969 | * Set the same seed to get repeatable runs |
| 970 | */ |
| 971 | td_fill_rand_seeds(td); |
Jens Axboe | b29ee5b | 2008-09-11 10:17:26 +0200 | [diff] [blame] | 972 | } |
| 973 | |
| 974 | void reset_all_stats(struct thread_data *td) |
| 975 | { |
| 976 | struct timeval tv; |
| 977 | int i; |
| 978 | |
| 979 | reset_io_counters(td); |
| 980 | |
| 981 | for (i = 0; i < 2; i++) { |
| 982 | td->io_bytes[i] = 0; |
| 983 | td->io_blocks[i] = 0; |
| 984 | td->io_issues[i] = 0; |
| 985 | td->ts.total_io_u[i] = 0; |
| 986 | } |
Bruce Cran | 9b83656 | 2011-01-08 19:49:54 +0100 | [diff] [blame] | 987 | |
Jens Axboe | b29ee5b | 2008-09-11 10:17:26 +0200 | [diff] [blame] | 988 | fio_gettime(&tv, NULL); |
Signed-off-by Steven Pratt | cda99fa | 2010-12-14 08:31:36 +0100 | [diff] [blame] | 989 | td->ts.runtime[0] = 0; |
| 990 | td->ts.runtime[1] = 0; |
Jens Axboe | b29ee5b | 2008-09-11 10:17:26 +0200 | [diff] [blame] | 991 | memcpy(&td->epoch, &tv, sizeof(tv)); |
| 992 | memcpy(&td->start, &tv, sizeof(tv)); |
| 993 | } |
| 994 | |
Jens Axboe | df9c26b | 2009-03-05 10:13:58 +0100 | [diff] [blame] | 995 | static void clear_io_state(struct thread_data *td) |
Jens Axboe | b29ee5b | 2008-09-11 10:17:26 +0200 | [diff] [blame] | 996 | { |
| 997 | struct fio_file *f; |
| 998 | unsigned int i; |
Jens Axboe | b29ee5b | 2008-09-11 10:17:26 +0200 | [diff] [blame] | 999 | |
| 1000 | reset_io_counters(td); |
Jens Axboe | 281f9b6 | 2007-05-23 09:34:42 +0200 | [diff] [blame] | 1001 | |
Jens Axboe | 24ffd2c | 2008-03-01 15:47:08 +0100 | [diff] [blame] | 1002 | close_files(td); |
Jens Axboe | df9c26b | 2009-03-05 10:13:58 +0100 | [diff] [blame] | 1003 | for_each_file(td, f, i) |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 1004 | fio_file_clear_done(f); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1005 | } |
| 1006 | |
Jens Axboe | 398e8c4 | 2009-05-20 12:10:02 +0200 | [diff] [blame] | 1007 | static int exec_string(const char *string) |
| 1008 | { |
| 1009 | int ret, newlen = strlen(string) + 1 + 8; |
| 1010 | char *str; |
| 1011 | |
| 1012 | str = malloc(newlen); |
| 1013 | sprintf(str, "sh -c %s", string); |
| 1014 | |
| 1015 | ret = system(str); |
| 1016 | if (ret == -1) |
| 1017 | log_err("fio: exec of cmd <%s> failed\n", str); |
| 1018 | |
| 1019 | free(str); |
| 1020 | return ret; |
| 1021 | } |
| 1022 | |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 1023 | /* |
| 1024 | * Entry point for the thread based jobs. The process based jobs end up |
| 1025 | * here as well, after a little setup. |
| 1026 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1027 | static void *thread_main(void *data) |
| 1028 | { |
Signed-off-by Steven Pratt | cda99fa | 2010-12-14 08:31:36 +0100 | [diff] [blame] | 1029 | unsigned long long elapsed; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1030 | struct thread_data *td = data; |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1031 | pthread_condattr_t attr; |
Jens Axboe | a978ba6 | 2007-03-08 14:29:03 +0100 | [diff] [blame] | 1032 | int clear_state; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1033 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 1034 | if (!td->o.use_thread) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1035 | setsid(); |
| 1036 | |
| 1037 | td->pid = getpid(); |
| 1038 | |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 1039 | dprint(FD_PROCESS, "jobs pid=%d started\n", (int) td->pid); |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 1040 | |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 1041 | INIT_FLIST_HEAD(&td->io_u_freelist); |
| 1042 | INIT_FLIST_HEAD(&td->io_u_busylist); |
| 1043 | INIT_FLIST_HEAD(&td->io_u_requeues); |
| 1044 | INIT_FLIST_HEAD(&td->io_log_list); |
| 1045 | INIT_FLIST_HEAD(&td->io_hist_list); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1046 | INIT_FLIST_HEAD(&td->verify_list); |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 1047 | INIT_FLIST_HEAD(&td->trim_list); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1048 | pthread_mutex_init(&td->io_u_lock, NULL); |
Jens Axboe | bb5d7d0 | 2007-03-27 10:21:25 +0200 | [diff] [blame] | 1049 | td->io_hist_tree = RB_ROOT; |
Jens Axboe | aea47d4 | 2006-05-26 19:27:29 +0200 | [diff] [blame] | 1050 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1051 | pthread_condattr_init(&attr); |
| 1052 | pthread_cond_init(&td->verify_cond, &attr); |
| 1053 | pthread_cond_init(&td->free_cond, &attr); |
| 1054 | |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 1055 | td_set_runstate(td, TD_INITIALIZED); |
Jens Axboe | 29adda3 | 2009-01-05 19:06:39 +0100 | [diff] [blame] | 1056 | dprint(FD_MUTEX, "up startup_mutex\n"); |
Jens Axboe | cdd18ad | 2008-02-27 18:58:00 +0100 | [diff] [blame] | 1057 | fio_mutex_up(startup_mutex); |
Jens Axboe | 29adda3 | 2009-01-05 19:06:39 +0100 | [diff] [blame] | 1058 | dprint(FD_MUTEX, "wait on td->mutex\n"); |
Jens Axboe | cdd18ad | 2008-02-27 18:58:00 +0100 | [diff] [blame] | 1059 | fio_mutex_down(td->mutex); |
Jens Axboe | 29adda3 | 2009-01-05 19:06:39 +0100 | [diff] [blame] | 1060 | dprint(FD_MUTEX, "done waiting on td->mutex\n"); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1061 | |
Jens Axboe | 37f5687 | 2007-03-09 12:42:35 +0100 | [diff] [blame] | 1062 | /* |
Jens Axboe | cdd18ad | 2008-02-27 18:58:00 +0100 | [diff] [blame] | 1063 | * the ->mutex mutex is now no longer used, close it to avoid |
Jens Axboe | 37f5687 | 2007-03-09 12:42:35 +0100 | [diff] [blame] | 1064 | * eating a file descriptor |
| 1065 | */ |
Jens Axboe | cdd18ad | 2008-02-27 18:58:00 +0100 | [diff] [blame] | 1066 | fio_mutex_remove(td->mutex); |
Jens Axboe | 37f5687 | 2007-03-09 12:42:35 +0100 | [diff] [blame] | 1067 | |
Stefan Hajnoczi | dfc6e75 | 2011-01-07 20:58:05 +0000 | [diff] [blame] | 1068 | /* |
| 1069 | * A new gid requires privilege, so we need to do this before setting |
| 1070 | * the uid. |
| 1071 | */ |
Jens Axboe | e0b0d89 | 2009-12-08 10:10:14 +0100 | [diff] [blame] | 1072 | if (td->o.gid != -1U && setgid(td->o.gid)) { |
| 1073 | td_verror(td, errno, "setgid"); |
| 1074 | goto err; |
| 1075 | } |
Stefan Hajnoczi | dfc6e75 | 2011-01-07 20:58:05 +0000 | [diff] [blame] | 1076 | if (td->o.uid != -1U && setuid(td->o.uid)) { |
| 1077 | td_verror(td, errno, "setuid"); |
| 1078 | goto err; |
| 1079 | } |
Jens Axboe | e0b0d89 | 2009-12-08 10:10:14 +0100 | [diff] [blame] | 1080 | |
Jens Axboe | d84f8d4 | 2007-05-16 08:47:46 +0200 | [diff] [blame] | 1081 | /* |
| 1082 | * May alter parameters that init_io_u() will use, so we need to |
| 1083 | * do this first. |
| 1084 | */ |
| 1085 | if (init_iolog(td)) |
| 1086 | goto err; |
| 1087 | |
Jens Axboe | db1cd90 | 2007-04-26 13:47:07 +0200 | [diff] [blame] | 1088 | if (init_io_u(td)) |
| 1089 | goto err; |
| 1090 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1091 | if (td->o.verify_async && verify_async_init(td)) |
| 1092 | goto err; |
| 1093 | |
| 1094 | 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] | 1095 | td_verror(td, errno, "cpu_set_affinity"); |
| 1096 | goto err; |
| 1097 | } |
| 1098 | |
Jens Axboe | f484470 | 2008-12-09 08:04:29 +0100 | [diff] [blame] | 1099 | /* |
| 1100 | * If we have a gettimeofday() thread, make sure we exclude that |
| 1101 | * thread from this job |
| 1102 | */ |
Jens Axboe | be4ecfd | 2008-12-08 14:10:52 +0100 | [diff] [blame] | 1103 | if (td->o.gtod_cpu) { |
Jens Axboe | be4ecfd | 2008-12-08 14:10:52 +0100 | [diff] [blame] | 1104 | fio_cpu_clear(&td->o.cpumask, td->o.gtod_cpu); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1105 | if (fio_setaffinity(td->pid, td->o.cpumask) == -1) { |
Jens Axboe | be4ecfd | 2008-12-08 14:10:52 +0100 | [diff] [blame] | 1106 | td_verror(td, errno, "cpu_set_affinity"); |
| 1107 | goto err; |
| 1108 | } |
| 1109 | } |
| 1110 | |
Jens Axboe | ac68478 | 2007-11-08 08:29:07 +0100 | [diff] [blame] | 1111 | if (td->ioprio_set) { |
Jens Axboe | db1cd90 | 2007-04-26 13:47:07 +0200 | [diff] [blame] | 1112 | if (ioprio_set(IOPRIO_WHO_PROCESS, 0, td->ioprio) == -1) { |
| 1113 | td_verror(td, errno, "ioprio_set"); |
| 1114 | goto err; |
| 1115 | } |
| 1116 | } |
| 1117 | |
Jens Axboe | 6adb38a | 2009-12-07 08:01:26 +0100 | [diff] [blame] | 1118 | if (td->o.cgroup_weight && cgroup_setup(td, cgroup_list, &cgroup_mnt)) |
Jens Axboe | a696fa2 | 2009-12-04 10:05:02 +0100 | [diff] [blame] | 1119 | goto err; |
| 1120 | |
Jens Axboe | db1cd90 | 2007-04-26 13:47:07 +0200 | [diff] [blame] | 1121 | if (nice(td->o.nice) == -1) { |
| 1122 | td_verror(td, errno, "nice"); |
| 1123 | goto err; |
| 1124 | } |
| 1125 | |
| 1126 | if (td->o.ioscheduler && switch_ioscheduler(td)) |
| 1127 | goto err; |
| 1128 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 1129 | if (!td->o.create_serialize && setup_files(td)) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1130 | goto err; |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 1131 | |
| 1132 | if (td_io_init(td)) |
Jens Axboe | 21972cd | 2006-11-23 12:39:16 +0100 | [diff] [blame] | 1133 | goto err; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1134 | |
Jens Axboe | 6872707 | 2007-03-15 20:49:25 +0100 | [diff] [blame] | 1135 | if (init_random_map(td)) |
| 1136 | goto err; |
| 1137 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 1138 | if (td->o.exec_prerun) { |
Jens Axboe | 398e8c4 | 2009-05-20 12:10:02 +0200 | [diff] [blame] | 1139 | if (exec_string(td->o.exec_prerun)) |
Jens Axboe | 69cfd7e | 2007-02-07 13:58:53 +0100 | [diff] [blame] | 1140 | goto err; |
| 1141 | } |
Jens Axboe | 4e0ba8a | 2006-06-06 09:36:28 +0200 | [diff] [blame] | 1142 | |
Zhang, Yanmin | afad68f | 2009-05-20 11:30:55 +0200 | [diff] [blame] | 1143 | if (td->o.pre_read) { |
| 1144 | if (pre_read_files(td) < 0) |
| 1145 | goto err; |
| 1146 | } |
| 1147 | |
Jens Axboe | 6900899 | 2006-11-24 13:12:56 +0100 | [diff] [blame] | 1148 | fio_gettime(&td->epoch, NULL); |
Jens Axboe | 756867b | 2007-03-06 15:19:24 +0100 | [diff] [blame] | 1149 | getrusage(RUSAGE_SELF, &td->ts.ru_start); |
Jens Axboe | 6900899 | 2006-11-24 13:12:56 +0100 | [diff] [blame] | 1150 | |
Jens Axboe | a978ba6 | 2007-03-08 14:29:03 +0100 | [diff] [blame] | 1151 | clear_state = 0; |
Jens Axboe | 492158c | 2007-05-24 10:32:47 +0200 | [diff] [blame] | 1152 | while (keep_running(td)) { |
Jens Axboe | 02bcaa8 | 2006-11-24 10:42:00 +0100 | [diff] [blame] | 1153 | fio_gettime(&td->start, NULL); |
Jens Axboe | c5d3d79 | 2009-07-31 11:20:52 +0200 | [diff] [blame] | 1154 | memcpy(&td->ts.stat_sample_time[0], &td->start, |
| 1155 | sizeof(td->start)); |
| 1156 | memcpy(&td->ts.stat_sample_time[1], &td->start, |
| 1157 | sizeof(td->start)); |
Jens Axboe | 993bf48 | 2008-11-14 13:04:53 +0100 | [diff] [blame] | 1158 | memcpy(&td->tv_cache, &td->start, sizeof(td->start)); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1159 | |
Jens Axboe | cf2dd8d | 2009-06-09 12:58:37 +0200 | [diff] [blame] | 1160 | if (td->o.ratemin[0] || td->o.ratemin[1]) |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 1161 | memcpy(&td->lastrate, &td->ts.stat_sample_time, |
| 1162 | sizeof(td->lastrate)); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1163 | |
Jens Axboe | df9c26b | 2009-03-05 10:13:58 +0100 | [diff] [blame] | 1164 | if (clear_state) |
| 1165 | clear_io_state(td); |
Jens Axboe | a978ba6 | 2007-03-08 14:29:03 +0100 | [diff] [blame] | 1166 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1167 | prune_io_piece_log(td); |
| 1168 | |
Jens Axboe | ba0fbe1 | 2007-03-09 14:34:23 +0100 | [diff] [blame] | 1169 | do_io(td); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1170 | |
Jens Axboe | a978ba6 | 2007-03-08 14:29:03 +0100 | [diff] [blame] | 1171 | clear_state = 1; |
| 1172 | |
Jens Axboe | 38d77ca | 2007-03-21 14:20:20 +0100 | [diff] [blame] | 1173 | if (td_read(td) && td->io_bytes[DDIR_READ]) { |
Jens Axboe | 0a4957c | 2009-06-03 10:30:33 +0200 | [diff] [blame] | 1174 | elapsed = utime_since_now(&td->start); |
Signed-off-by Steven Pratt | cda99fa | 2010-12-14 08:31:36 +0100 | [diff] [blame] | 1175 | td->ts.runtime[DDIR_READ] += elapsed; |
Jens Axboe | 38d77ca | 2007-03-21 14:20:20 +0100 | [diff] [blame] | 1176 | } |
| 1177 | if (td_write(td) && td->io_bytes[DDIR_WRITE]) { |
Jens Axboe | 0a4957c | 2009-06-03 10:30:33 +0200 | [diff] [blame] | 1178 | elapsed = utime_since_now(&td->start); |
Signed-off-by Steven Pratt | cda99fa | 2010-12-14 08:31:36 +0100 | [diff] [blame] | 1179 | td->ts.runtime[DDIR_WRITE] += elapsed; |
Jens Axboe | 38d77ca | 2007-03-21 14:20:20 +0100 | [diff] [blame] | 1180 | } |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 1181 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1182 | if (td->error || td->terminate) |
| 1183 | break; |
| 1184 | |
Shawn Lewis | e84c73a | 2007-08-02 22:19:32 +0200 | [diff] [blame] | 1185 | if (!td->o.do_verify || |
| 1186 | td->o.verify == VERIFY_NONE || |
Jens Axboe | b67740d | 2007-07-26 12:22:30 +0200 | [diff] [blame] | 1187 | (td->io_ops->flags & FIO_UNIDIR)) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1188 | continue; |
| 1189 | |
Jens Axboe | df9c26b | 2009-03-05 10:13:58 +0100 | [diff] [blame] | 1190 | clear_io_state(td); |
Jens Axboe | a978ba6 | 2007-03-08 14:29:03 +0100 | [diff] [blame] | 1191 | |
Jens Axboe | 02bcaa8 | 2006-11-24 10:42:00 +0100 | [diff] [blame] | 1192 | fio_gettime(&td->start, NULL); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1193 | |
| 1194 | do_verify(td); |
| 1195 | |
Signed-off-by Steven Pratt | cda99fa | 2010-12-14 08:31:36 +0100 | [diff] [blame] | 1196 | td->ts.runtime[DDIR_READ] += utime_since_now(&td->start); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1197 | |
| 1198 | if (td->error || td->terminate) |
| 1199 | break; |
| 1200 | } |
| 1201 | |
Jens Axboe | 36dff96 | 2006-11-24 13:29:20 +0100 | [diff] [blame] | 1202 | update_rusage_stat(td); |
Signed-off-by Steven Pratt | cda99fa | 2010-12-14 08:31:36 +0100 | [diff] [blame] | 1203 | td->ts.runtime[0] = (td->ts.runtime[0] + 999) / 1000; |
| 1204 | td->ts.runtime[1] = (td->ts.runtime[1] + 999) / 1000; |
Jens Axboe | 756867b | 2007-03-06 15:19:24 +0100 | [diff] [blame] | 1205 | td->ts.total_run_time = mtime_since_now(&td->epoch); |
| 1206 | td->ts.io_bytes[0] = td->io_bytes[0]; |
| 1207 | td->ts.io_bytes[1] = td->io_bytes[1]; |
Jens Axboe | 6900899 | 2006-11-24 13:12:56 +0100 | [diff] [blame] | 1208 | |
Fabio Checconi | d2bbb8d | 2009-05-18 12:54:50 +0200 | [diff] [blame] | 1209 | fio_mutex_down(writeout_mutex); |
Jens Axboe | e3cedca | 2008-11-19 19:57:52 +0100 | [diff] [blame] | 1210 | if (td->ts.bw_log) { |
Jens Axboe | f484470 | 2008-12-09 08:04:29 +0100 | [diff] [blame] | 1211 | if (td->o.bw_log_file) { |
| 1212 | finish_log_named(td, td->ts.bw_log, |
| 1213 | td->o.bw_log_file, "bw"); |
| 1214 | } else |
Jens Axboe | e3cedca | 2008-11-19 19:57:52 +0100 | [diff] [blame] | 1215 | finish_log(td, td->ts.bw_log, "bw"); |
| 1216 | } |
Jens Axboe | 02af098 | 2010-06-24 09:59:34 +0200 | [diff] [blame] | 1217 | if (td->ts.lat_log) { |
| 1218 | if (td->o.lat_log_file) { |
| 1219 | finish_log_named(td, td->ts.lat_log, |
| 1220 | td->o.lat_log_file, "lat"); |
| 1221 | } else |
| 1222 | finish_log(td, td->ts.lat_log, "lat"); |
| 1223 | } |
Jens Axboe | e3cedca | 2008-11-19 19:57:52 +0100 | [diff] [blame] | 1224 | if (td->ts.slat_log) { |
Jens Axboe | f484470 | 2008-12-09 08:04:29 +0100 | [diff] [blame] | 1225 | if (td->o.lat_log_file) { |
| 1226 | finish_log_named(td, td->ts.slat_log, |
Radha Ramachandran | 1ca9573 | 2009-04-29 07:23:26 +0200 | [diff] [blame] | 1227 | td->o.lat_log_file, "slat"); |
Jens Axboe | f484470 | 2008-12-09 08:04:29 +0100 | [diff] [blame] | 1228 | } else |
Jens Axboe | e3cedca | 2008-11-19 19:57:52 +0100 | [diff] [blame] | 1229 | finish_log(td, td->ts.slat_log, "slat"); |
| 1230 | } |
| 1231 | if (td->ts.clat_log) { |
Jens Axboe | f484470 | 2008-12-09 08:04:29 +0100 | [diff] [blame] | 1232 | if (td->o.lat_log_file) { |
| 1233 | finish_log_named(td, td->ts.clat_log, |
| 1234 | td->o.lat_log_file, "clat"); |
| 1235 | } else |
Jens Axboe | e3cedca | 2008-11-19 19:57:52 +0100 | [diff] [blame] | 1236 | finish_log(td, td->ts.clat_log, "clat"); |
| 1237 | } |
Fabio Checconi | d2bbb8d | 2009-05-18 12:54:50 +0200 | [diff] [blame] | 1238 | fio_mutex_up(writeout_mutex); |
Jens Axboe | 398e8c4 | 2009-05-20 12:10:02 +0200 | [diff] [blame] | 1239 | if (td->o.exec_postrun) |
| 1240 | exec_string(td->o.exec_postrun); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1241 | |
| 1242 | if (exitall_on_terminate) |
Jens Axboe | 390c40e | 2007-03-05 12:35:29 +0100 | [diff] [blame] | 1243 | terminate_threads(td->groupid); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1244 | |
| 1245 | err: |
Jens Axboe | 5bf13a5 | 2007-02-17 01:51:47 +0100 | [diff] [blame] | 1246 | if (td->error) |
Jens Axboe | 4ceb30d | 2010-02-24 09:19:14 +0100 | [diff] [blame] | 1247 | log_info("fio: pid=%d, err=%d/%s\n", (int) td->pid, td->error, |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 1248 | td->verror); |
Jens Axboe | b4707ed | 2009-11-04 12:51:17 +0100 | [diff] [blame] | 1249 | |
| 1250 | if (td->o.verify_async) |
| 1251 | verify_async_exit(td); |
| 1252 | |
Jens Axboe | 24ffd2c | 2008-03-01 15:47:08 +0100 | [diff] [blame] | 1253 | close_and_free_files(td); |
Jens Axboe | 2866c82 | 2006-10-09 15:57:48 +0200 | [diff] [blame] | 1254 | close_ioengine(td); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1255 | cleanup_io_u(td); |
Jens Axboe | 6adb38a | 2009-12-07 08:01:26 +0100 | [diff] [blame] | 1256 | cgroup_shutdown(td, &cgroup_mnt); |
Jens Axboe | f29b25a | 2007-07-23 08:56:43 +0200 | [diff] [blame] | 1257 | |
Jens Axboe | d2ce18b | 2008-12-12 20:51:40 +0100 | [diff] [blame] | 1258 | if (td->o.cpumask_set) { |
| 1259 | int ret = fio_cpuset_exit(&td->o.cpumask); |
| 1260 | |
| 1261 | td_verror(td, ret, "fio_cpuset_exit"); |
| 1262 | } |
Jens Axboe | 4e78e40 | 2008-12-12 20:40:27 +0100 | [diff] [blame] | 1263 | |
Jens Axboe | f29b25a | 2007-07-23 08:56:43 +0200 | [diff] [blame] | 1264 | /* |
| 1265 | * do this very late, it will log file closing as well |
| 1266 | */ |
| 1267 | if (td->o.write_iolog_file) |
| 1268 | write_iolog_close(td); |
| 1269 | |
Jens Axboe | d23bb32 | 2007-03-23 15:57:56 +0100 | [diff] [blame] | 1270 | options_mem_free(td); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1271 | td_set_runstate(td, TD_EXITED); |
Jens Axboe | 43d7680 | 2007-02-21 16:35:29 +0100 | [diff] [blame] | 1272 | return (void *) (unsigned long) td->error; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1273 | } |
| 1274 | |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 1275 | /* |
| 1276 | * We cannot pass the td data into a forked process, so attach the td and |
| 1277 | * pass it to the thread worker. |
| 1278 | */ |
Jens Axboe | a641814 | 2007-02-17 04:47:18 +0100 | [diff] [blame] | 1279 | static int fork_main(int shmid, int offset) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1280 | { |
| 1281 | struct thread_data *td; |
Jens Axboe | a641814 | 2007-02-17 04:47:18 +0100 | [diff] [blame] | 1282 | void *data, *ret; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1283 | |
| 1284 | data = shmat(shmid, NULL, 0); |
| 1285 | if (data == (void *) -1) { |
Jens Axboe | a641814 | 2007-02-17 04:47:18 +0100 | [diff] [blame] | 1286 | int __err = errno; |
| 1287 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1288 | perror("shmat"); |
Jens Axboe | a641814 | 2007-02-17 04:47:18 +0100 | [diff] [blame] | 1289 | return __err; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1290 | } |
| 1291 | |
| 1292 | td = data + offset * sizeof(struct thread_data); |
Jens Axboe | a641814 | 2007-02-17 04:47:18 +0100 | [diff] [blame] | 1293 | ret = thread_main(td); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1294 | shmdt(data); |
Jens Axboe | 43d7680 | 2007-02-21 16:35:29 +0100 | [diff] [blame] | 1295 | return (int) (unsigned long) ret; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1296 | } |
| 1297 | |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 1298 | /* |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 1299 | * Run over the job map and reap the threads that have exited, if any. |
| 1300 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1301 | static void reap_threads(int *nr_running, int *t_rate, int *m_rate) |
| 1302 | { |
Jens Axboe | 34572e2 | 2006-10-20 09:33:18 +0200 | [diff] [blame] | 1303 | struct thread_data *td; |
Jens Axboe | 1f809d1 | 2007-10-25 18:34:02 +0200 | [diff] [blame] | 1304 | int i, cputhreads, realthreads, pending, status, ret; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1305 | |
| 1306 | /* |
| 1307 | * reap exited threads (TD_EXITED -> TD_REAPED) |
| 1308 | */ |
Jens Axboe | 1f809d1 | 2007-10-25 18:34:02 +0200 | [diff] [blame] | 1309 | realthreads = pending = cputhreads = 0; |
Jens Axboe | 34572e2 | 2006-10-20 09:33:18 +0200 | [diff] [blame] | 1310 | for_each_td(td, i) { |
Jens Axboe | 3707f45 | 2007-02-22 12:26:57 +0100 | [diff] [blame] | 1311 | int flags = 0; |
Jens Axboe | a2f77c9 | 2007-02-22 11:53:00 +0100 | [diff] [blame] | 1312 | |
Jens Axboe | 8458500 | 2006-10-19 20:26:22 +0200 | [diff] [blame] | 1313 | /* |
| 1314 | * ->io_ops is NULL for a thread that has closed its |
| 1315 | * io engine |
| 1316 | */ |
Jens Axboe | ba0fbe1 | 2007-03-09 14:34:23 +0100 | [diff] [blame] | 1317 | if (td->io_ops && !strcmp(td->io_ops->name, "cpuio")) |
Jens Axboe | b990b5c | 2006-09-14 09:48:22 +0200 | [diff] [blame] | 1318 | cputhreads++; |
Jens Axboe | 1f809d1 | 2007-10-25 18:34:02 +0200 | [diff] [blame] | 1319 | else |
| 1320 | realthreads++; |
Jens Axboe | b990b5c | 2006-09-14 09:48:22 +0200 | [diff] [blame] | 1321 | |
Aaron Carroll | a1dedc1 | 2008-02-20 09:14:12 +0100 | [diff] [blame] | 1322 | if (!td->pid) { |
| 1323 | pending++; |
| 1324 | continue; |
| 1325 | } |
| 1326 | if (td->runstate == TD_REAPED) |
Jens Axboe | a2f77c9 | 2007-02-22 11:53:00 +0100 | [diff] [blame] | 1327 | continue; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 1328 | if (td->o.use_thread) { |
Jens Axboe | 3707f45 | 2007-02-22 12:26:57 +0100 | [diff] [blame] | 1329 | if (td->runstate == TD_EXITED) { |
| 1330 | td_set_runstate(td, TD_REAPED); |
| 1331 | goto reaped; |
| 1332 | } |
| 1333 | continue; |
| 1334 | } |
Jens Axboe | a2f77c9 | 2007-02-22 11:53:00 +0100 | [diff] [blame] | 1335 | |
| 1336 | flags = WNOHANG; |
| 1337 | if (td->runstate == TD_EXITED) |
| 1338 | flags = 0; |
| 1339 | |
| 1340 | /* |
| 1341 | * check if someone quit or got killed in an unusual way |
| 1342 | */ |
| 1343 | ret = waitpid(td->pid, &status, flags); |
Jens Axboe | 3707f45 | 2007-02-22 12:26:57 +0100 | [diff] [blame] | 1344 | if (ret < 0) { |
Jens Axboe | a2f77c9 | 2007-02-22 11:53:00 +0100 | [diff] [blame] | 1345 | if (errno == ECHILD) { |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 1346 | log_err("fio: pid=%d disappeared %d\n", |
| 1347 | (int) td->pid, td->runstate); |
Jens Axboe | a2f77c9 | 2007-02-22 11:53:00 +0100 | [diff] [blame] | 1348 | td_set_runstate(td, TD_REAPED); |
| 1349 | goto reaped; |
| 1350 | } |
| 1351 | perror("waitpid"); |
| 1352 | } else if (ret == td->pid) { |
| 1353 | if (WIFSIGNALED(status)) { |
Jens Axboe | fab6aa7 | 2007-02-17 06:19:24 +0100 | [diff] [blame] | 1354 | int sig = WTERMSIG(status); |
| 1355 | |
Bruce Cran | 03e20d6 | 2011-01-02 20:14:54 +0100 | [diff] [blame] | 1356 | if (sig != SIGTERM) |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 1357 | log_err("fio: pid=%d, got signal=%d\n", |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 1358 | (int) td->pid, sig); |
Jens Axboe | fab6aa7 | 2007-02-17 06:19:24 +0100 | [diff] [blame] | 1359 | td_set_runstate(td, TD_REAPED); |
| 1360 | goto reaped; |
| 1361 | } |
Jens Axboe | a2f77c9 | 2007-02-22 11:53:00 +0100 | [diff] [blame] | 1362 | if (WIFEXITED(status)) { |
| 1363 | if (WEXITSTATUS(status) && !td->error) |
| 1364 | td->error = WEXITSTATUS(status); |
Jens Axboe | fab6aa7 | 2007-02-17 06:19:24 +0100 | [diff] [blame] | 1365 | |
Jens Axboe | a2f77c9 | 2007-02-22 11:53:00 +0100 | [diff] [blame] | 1366 | td_set_runstate(td, TD_REAPED); |
| 1367 | goto reaped; |
Jens Axboe | a641814 | 2007-02-17 04:47:18 +0100 | [diff] [blame] | 1368 | } |
| 1369 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1370 | |
Jens Axboe | a2f77c9 | 2007-02-22 11:53:00 +0100 | [diff] [blame] | 1371 | /* |
| 1372 | * thread is not dead, continue |
| 1373 | */ |
gurudas pai | e48676b | 2007-04-11 12:44:27 +0200 | [diff] [blame] | 1374 | pending++; |
Jens Axboe | a2f77c9 | 2007-02-22 11:53:00 +0100 | [diff] [blame] | 1375 | continue; |
Jens Axboe | fab6aa7 | 2007-02-17 06:19:24 +0100 | [diff] [blame] | 1376 | reaped: |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1377 | (*nr_running)--; |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 1378 | (*m_rate) -= (td->o.ratemin[0] + td->o.ratemin[1]); |
| 1379 | (*t_rate) -= (td->o.rate[0] + td->o.rate[1]); |
Jens Axboe | 6f88bcb | 2008-03-19 10:29:07 +0100 | [diff] [blame] | 1380 | if (!td->pid) |
| 1381 | pending--; |
Jens Axboe | a2f77c9 | 2007-02-22 11:53:00 +0100 | [diff] [blame] | 1382 | |
| 1383 | if (td->error) |
| 1384 | exit_value++; |
Jens Axboe | d3eeeab | 2008-04-06 12:19:05 +0200 | [diff] [blame] | 1385 | |
| 1386 | done_secs += mtime_since_now(&td->epoch) / 1000; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1387 | } |
Jens Axboe | b990b5c | 2006-09-14 09:48:22 +0200 | [diff] [blame] | 1388 | |
Jens Axboe | 1f809d1 | 2007-10-25 18:34:02 +0200 | [diff] [blame] | 1389 | if (*nr_running == cputhreads && !pending && realthreads) |
Jens Axboe | 390c40e | 2007-03-05 12:35:29 +0100 | [diff] [blame] | 1390 | terminate_threads(TERMINATE_ALL); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1391 | } |
| 1392 | |
Jens Axboe | be4ecfd | 2008-12-08 14:10:52 +0100 | [diff] [blame] | 1393 | static void *gtod_thread_main(void *data) |
| 1394 | { |
| 1395 | fio_mutex_up(startup_mutex); |
| 1396 | |
| 1397 | /* |
| 1398 | * As long as we have jobs around, update the clock. It would be nice |
| 1399 | * to have some way of NOT hammering that CPU with gettimeofday(), |
| 1400 | * but I'm not sure what to use outside of a simple CPU nop to relax |
| 1401 | * it - we don't want to lose precision. |
| 1402 | */ |
| 1403 | while (threads) { |
| 1404 | fio_gtod_update(); |
| 1405 | nop; |
| 1406 | } |
| 1407 | |
| 1408 | return NULL; |
| 1409 | } |
| 1410 | |
| 1411 | static int fio_start_gtod_thread(void) |
| 1412 | { |
bart Van Assche | 304a47c | 2010-08-01 21:31:26 +0200 | [diff] [blame] | 1413 | pthread_attr_t attr; |
Jens Axboe | f42c153 | 2009-01-05 19:07:13 +0100 | [diff] [blame] | 1414 | int ret; |
| 1415 | |
bart Van Assche | 304a47c | 2010-08-01 21:31:26 +0200 | [diff] [blame] | 1416 | pthread_attr_init(&attr); |
| 1417 | pthread_attr_setstacksize(&attr, PTHREAD_STACK_MIN); |
| 1418 | ret = pthread_create(>od_thread, &attr, gtod_thread_main, NULL); |
| 1419 | pthread_attr_destroy(&attr); |
Jens Axboe | f42c153 | 2009-01-05 19:07:13 +0100 | [diff] [blame] | 1420 | if (ret) { |
| 1421 | log_err("Can't create gtod thread: %s\n", strerror(ret)); |
Jens Axboe | be4ecfd | 2008-12-08 14:10:52 +0100 | [diff] [blame] | 1422 | return 1; |
| 1423 | } |
Jens Axboe | f42c153 | 2009-01-05 19:07:13 +0100 | [diff] [blame] | 1424 | |
| 1425 | ret = pthread_detach(gtod_thread); |
| 1426 | if (ret) { |
| 1427 | log_err("Can't detatch gtod thread: %s\n", strerror(ret)); |
Jens Axboe | be4ecfd | 2008-12-08 14:10:52 +0100 | [diff] [blame] | 1428 | return 1; |
| 1429 | } |
| 1430 | |
Jens Axboe | 29adda3 | 2009-01-05 19:06:39 +0100 | [diff] [blame] | 1431 | dprint(FD_MUTEX, "wait on startup_mutex\n"); |
Jens Axboe | be4ecfd | 2008-12-08 14:10:52 +0100 | [diff] [blame] | 1432 | fio_mutex_down(startup_mutex); |
Jens Axboe | 29adda3 | 2009-01-05 19:06:39 +0100 | [diff] [blame] | 1433 | dprint(FD_MUTEX, "done waiting on startup_mutex\n"); |
Jens Axboe | be4ecfd | 2008-12-08 14:10:52 +0100 | [diff] [blame] | 1434 | return 0; |
| 1435 | } |
| 1436 | |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 1437 | /* |
| 1438 | * Main function for kicking off and reaping jobs, as needed. |
| 1439 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1440 | static void run_threads(void) |
| 1441 | { |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1442 | struct thread_data *td; |
| 1443 | unsigned long spent; |
| 1444 | int i, todo, nr_running, m_rate, t_rate, nr_started; |
Jens Axboe | fcb6ade | 2006-05-31 12:14:35 +0200 | [diff] [blame] | 1445 | |
Jens Axboe | 2f9ade3 | 2006-10-20 11:25:52 +0200 | [diff] [blame] | 1446 | if (fio_pin_memory()) |
| 1447 | return; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1448 | |
Jens Axboe | be4ecfd | 2008-12-08 14:10:52 +0100 | [diff] [blame] | 1449 | if (fio_gtod_offload && fio_start_gtod_thread()) |
| 1450 | return; |
| 1451 | |
Jens Axboe | c6ae0a5 | 2006-06-12 11:04:44 +0200 | [diff] [blame] | 1452 | if (!terse_output) { |
Jens Axboe | 4ceb30d | 2010-02-24 09:19:14 +0100 | [diff] [blame] | 1453 | log_info("Starting "); |
Jens Axboe | 9cedf16 | 2007-03-12 11:29:30 +0100 | [diff] [blame] | 1454 | if (nr_thread) |
Jens Axboe | 4ceb30d | 2010-02-24 09:19:14 +0100 | [diff] [blame] | 1455 | log_info("%d thread%s", nr_thread, |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 1456 | nr_thread > 1 ? "s" : ""); |
Jens Axboe | 9cedf16 | 2007-03-12 11:29:30 +0100 | [diff] [blame] | 1457 | if (nr_process) { |
| 1458 | if (nr_thread) |
| 1459 | printf(" and "); |
Jens Axboe | 4ceb30d | 2010-02-24 09:19:14 +0100 | [diff] [blame] | 1460 | log_info("%d process%s", nr_process, |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 1461 | nr_process > 1 ? "es" : ""); |
Jens Axboe | 9cedf16 | 2007-03-12 11:29:30 +0100 | [diff] [blame] | 1462 | } |
Jens Axboe | 4ceb30d | 2010-02-24 09:19:14 +0100 | [diff] [blame] | 1463 | log_info("\n"); |
Jens Axboe | c6ae0a5 | 2006-06-12 11:04:44 +0200 | [diff] [blame] | 1464 | fflush(stdout); |
| 1465 | } |
Jens Axboe | c04f7ec | 2006-05-31 10:13:16 +0200 | [diff] [blame] | 1466 | |
Jens Axboe | 697a606 | 2008-05-31 00:04:45 +0200 | [diff] [blame] | 1467 | set_sig_handlers(); |
Jens Axboe | 4efa970 | 2006-05-31 11:56:49 +0200 | [diff] [blame] | 1468 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1469 | todo = thread_number; |
| 1470 | nr_running = 0; |
| 1471 | nr_started = 0; |
| 1472 | m_rate = t_rate = 0; |
| 1473 | |
Jens Axboe | 34572e2 | 2006-10-20 09:33:18 +0200 | [diff] [blame] | 1474 | for_each_td(td, i) { |
Jens Axboe | 263e529 | 2006-10-18 15:37:01 +0200 | [diff] [blame] | 1475 | print_status_init(td->thread_number - 1); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1476 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 1477 | if (!td->o.create_serialize) { |
Jens Axboe | 380cf26 | 2007-01-11 14:01:27 +0100 | [diff] [blame] | 1478 | init_disk_util(td); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1479 | continue; |
Jens Axboe | 380cf26 | 2007-01-11 14:01:27 +0100 | [diff] [blame] | 1480 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1481 | |
| 1482 | /* |
| 1483 | * do file setup here so it happens sequentially, |
| 1484 | * we don't want X number of threads getting their |
| 1485 | * client data interspersed on disk |
| 1486 | */ |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 1487 | if (setup_files(td)) { |
Jens Axboe | 5bf13a5 | 2007-02-17 01:51:47 +0100 | [diff] [blame] | 1488 | exit_value++; |
| 1489 | if (td->error) |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 1490 | log_err("fio: pid=%d, err=%d/%s\n", |
| 1491 | (int) td->pid, td->error, td->verror); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1492 | td_set_runstate(td, TD_REAPED); |
| 1493 | todo--; |
Jens Axboe | c69e887 | 2008-03-01 18:50:48 +0100 | [diff] [blame] | 1494 | } else { |
| 1495 | struct fio_file *f; |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 1496 | unsigned int j; |
Jens Axboe | c69e887 | 2008-03-01 18:50:48 +0100 | [diff] [blame] | 1497 | |
| 1498 | /* |
| 1499 | * for sharing to work, each job must always open |
| 1500 | * its own files. so close them, if we opened them |
| 1501 | * for creation |
| 1502 | */ |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 1503 | for_each_file(td, f, j) { |
Jens Axboe | 22a57ba | 2009-06-09 14:34:35 +0200 | [diff] [blame] | 1504 | if (fio_file_open(f)) |
| 1505 | td_io_close_file(td, f); |
Jens Axboe | 22a57ba | 2009-06-09 14:34:35 +0200 | [diff] [blame] | 1506 | } |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 1507 | } |
Jens Axboe | 380cf26 | 2007-01-11 14:01:27 +0100 | [diff] [blame] | 1508 | |
| 1509 | init_disk_util(td); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1510 | } |
| 1511 | |
Jens Axboe | a2f77c9 | 2007-02-22 11:53:00 +0100 | [diff] [blame] | 1512 | set_genesis_time(); |
| 1513 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1514 | while (todo) { |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 1515 | struct thread_data *map[MAX_JOBS]; |
| 1516 | struct timeval this_start; |
| 1517 | int this_jobs = 0, left; |
| 1518 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1519 | /* |
| 1520 | * create threads (TD_NOT_CREATED -> TD_CREATED) |
| 1521 | */ |
Jens Axboe | 34572e2 | 2006-10-20 09:33:18 +0200 | [diff] [blame] | 1522 | for_each_td(td, i) { |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1523 | if (td->runstate != TD_NOT_CREATED) |
| 1524 | continue; |
| 1525 | |
| 1526 | /* |
| 1527 | * never got a chance to start, killed by other |
| 1528 | * thread for some reason |
| 1529 | */ |
| 1530 | if (td->terminate) { |
| 1531 | todo--; |
| 1532 | continue; |
| 1533 | } |
| 1534 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 1535 | if (td->o.start_delay) { |
Jens Axboe | 263e529 | 2006-10-18 15:37:01 +0200 | [diff] [blame] | 1536 | spent = mtime_since_genesis(); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1537 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 1538 | if (td->o.start_delay * 1000 > spent) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1539 | continue; |
| 1540 | } |
| 1541 | |
Jens Axboe | 6f88bcb | 2008-03-19 10:29:07 +0100 | [diff] [blame] | 1542 | if (td->o.stonewall && (nr_started || nr_running)) { |
| 1543 | dprint(FD_PROCESS, "%s: stonewall wait\n", |
| 1544 | td->o.name); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1545 | break; |
Jens Axboe | 6f88bcb | 2008-03-19 10:29:07 +0100 | [diff] [blame] | 1546 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1547 | |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 1548 | /* |
| 1549 | * Set state to created. Thread will transition |
| 1550 | * to TD_INITIALIZED when it's done setting up. |
| 1551 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1552 | td_set_runstate(td, TD_CREATED); |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 1553 | map[this_jobs++] = td; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1554 | nr_started++; |
| 1555 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 1556 | if (td->o.use_thread) { |
Jens Axboe | f42c153 | 2009-01-05 19:07:13 +0100 | [diff] [blame] | 1557 | int ret; |
| 1558 | |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 1559 | dprint(FD_PROCESS, "will pthread_create\n"); |
Jens Axboe | f42c153 | 2009-01-05 19:07:13 +0100 | [diff] [blame] | 1560 | ret = pthread_create(&td->thread, NULL, |
| 1561 | thread_main, td); |
| 1562 | if (ret) { |
| 1563 | log_err("pthread_create: %s\n", |
| 1564 | strerror(ret)); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1565 | nr_started--; |
Jens Axboe | c8bb6fa | 2007-03-12 11:03:04 +0100 | [diff] [blame] | 1566 | break; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1567 | } |
Jens Axboe | f42c153 | 2009-01-05 19:07:13 +0100 | [diff] [blame] | 1568 | ret = pthread_detach(td->thread); |
| 1569 | if (ret) |
| 1570 | log_err("pthread_detach: %s", |
| 1571 | strerror(ret)); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1572 | } else { |
Jens Axboe | 5e1d306 | 2008-05-23 11:55:53 +0200 | [diff] [blame] | 1573 | pid_t pid; |
Jens Axboe | ee56ad5 | 2008-02-01 10:30:20 +0100 | [diff] [blame] | 1574 | dprint(FD_PROCESS, "will fork\n"); |
Jens Axboe | 5e1d306 | 2008-05-23 11:55:53 +0200 | [diff] [blame] | 1575 | pid = fork(); |
| 1576 | if (!pid) { |
Jens Axboe | a641814 | 2007-02-17 04:47:18 +0100 | [diff] [blame] | 1577 | int ret = fork_main(shm_id, i); |
| 1578 | |
Jens Axboe | 5e1d306 | 2008-05-23 11:55:53 +0200 | [diff] [blame] | 1579 | _exit(ret); |
| 1580 | } else if (i == fio_debug_jobno) |
| 1581 | *fio_debug_jobp = pid; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1582 | } |
Jens Axboe | 29adda3 | 2009-01-05 19:06:39 +0100 | [diff] [blame] | 1583 | dprint(FD_MUTEX, "wait on startup_mutex\n"); |
Jens Axboe | 656b139 | 2009-07-01 23:02:10 +0200 | [diff] [blame] | 1584 | if (fio_mutex_down_timeout(startup_mutex, 10)) { |
| 1585 | log_err("fio: job startup hung? exiting.\n"); |
| 1586 | terminate_threads(TERMINATE_ALL); |
| 1587 | fio_abort = 1; |
| 1588 | nr_started--; |
| 1589 | break; |
| 1590 | } |
Jens Axboe | 29adda3 | 2009-01-05 19:06:39 +0100 | [diff] [blame] | 1591 | dprint(FD_MUTEX, "done waiting on startup_mutex\n"); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1592 | } |
| 1593 | |
| 1594 | /* |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 1595 | * Wait for the started threads to transition to |
| 1596 | * TD_INITIALIZED. |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1597 | */ |
Jens Axboe | 02bcaa8 | 2006-11-24 10:42:00 +0100 | [diff] [blame] | 1598 | fio_gettime(&this_start, NULL); |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 1599 | left = this_jobs; |
Jens Axboe | 6ce15a3 | 2007-01-12 09:04:41 +0100 | [diff] [blame] | 1600 | while (left && !fio_abort) { |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 1601 | if (mtime_since_now(&this_start) > JOB_START_TIMEOUT) |
| 1602 | break; |
| 1603 | |
| 1604 | usleep(100000); |
| 1605 | |
| 1606 | for (i = 0; i < this_jobs; i++) { |
| 1607 | td = map[i]; |
| 1608 | if (!td) |
| 1609 | continue; |
Jens Axboe | b6f4d88 | 2006-06-02 10:32:51 +0200 | [diff] [blame] | 1610 | if (td->runstate == TD_INITIALIZED) { |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 1611 | map[i] = NULL; |
| 1612 | left--; |
Jens Axboe | b6f4d88 | 2006-06-02 10:32:51 +0200 | [diff] [blame] | 1613 | } else if (td->runstate >= TD_EXITED) { |
| 1614 | map[i] = NULL; |
| 1615 | left--; |
| 1616 | todo--; |
| 1617 | nr_running++; /* work-around... */ |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 1618 | } |
| 1619 | } |
| 1620 | } |
| 1621 | |
| 1622 | if (left) { |
Jens Axboe | 3b70d7e | 2006-06-08 21:48:46 +0200 | [diff] [blame] | 1623 | log_err("fio: %d jobs failed to start\n", left); |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 1624 | for (i = 0; i < this_jobs; i++) { |
| 1625 | td = map[i]; |
| 1626 | if (!td) |
| 1627 | continue; |
| 1628 | kill(td->pid, SIGTERM); |
| 1629 | } |
| 1630 | break; |
| 1631 | } |
| 1632 | |
| 1633 | /* |
Jens Axboe | b6f4d88 | 2006-06-02 10:32:51 +0200 | [diff] [blame] | 1634 | * start created threads (TD_INITIALIZED -> TD_RUNNING). |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 1635 | */ |
Jens Axboe | 34572e2 | 2006-10-20 09:33:18 +0200 | [diff] [blame] | 1636 | for_each_td(td, i) { |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 1637 | if (td->runstate != TD_INITIALIZED) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1638 | continue; |
| 1639 | |
Jens Axboe | b29ee5b | 2008-09-11 10:17:26 +0200 | [diff] [blame] | 1640 | if (in_ramp_time(td)) |
| 1641 | td_set_runstate(td, TD_RAMP); |
| 1642 | else |
| 1643 | td_set_runstate(td, TD_RUNNING); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1644 | nr_running++; |
| 1645 | nr_started--; |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 1646 | m_rate += td->o.ratemin[0] + td->o.ratemin[1]; |
| 1647 | t_rate += td->o.rate[0] + td->o.rate[1]; |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 1648 | todo--; |
Jens Axboe | cdd18ad | 2008-02-27 18:58:00 +0100 | [diff] [blame] | 1649 | fio_mutex_up(td->mutex); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1650 | } |
| 1651 | |
| 1652 | reap_threads(&nr_running, &t_rate, &m_rate); |
| 1653 | |
| 1654 | if (todo) |
| 1655 | usleep(100000); |
| 1656 | } |
| 1657 | |
| 1658 | while (nr_running) { |
| 1659 | reap_threads(&nr_running, &t_rate, &m_rate); |
| 1660 | usleep(10000); |
| 1661 | } |
| 1662 | |
| 1663 | update_io_ticks(); |
Jens Axboe | 2f9ade3 | 2006-10-20 11:25:52 +0200 | [diff] [blame] | 1664 | fio_unpin_memory(); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1665 | } |
| 1666 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1667 | int main(int argc, char *argv[]) |
| 1668 | { |
Jens Axboe | 29d610e | 2007-02-06 13:25:33 +0100 | [diff] [blame] | 1669 | long ps; |
| 1670 | |
Jens Axboe | 2e5cdb1 | 2008-03-01 18:52:49 +0100 | [diff] [blame] | 1671 | sinit(); |
Jens Axboe | d54a144 | 2010-03-25 23:07:35 +0100 | [diff] [blame] | 1672 | init_rand(&__fio_rand_state); |
Jens Axboe | 2e5cdb1 | 2008-03-01 18:52:49 +0100 | [diff] [blame] | 1673 | |
Jens Axboe | dbe1125 | 2007-02-11 00:19:51 +0100 | [diff] [blame] | 1674 | /* |
| 1675 | * We need locale for number printing, if it isn't set then just |
| 1676 | * go with the US format. |
| 1677 | */ |
| 1678 | if (!getenv("LC_NUMERIC")) |
| 1679 | setlocale(LC_NUMERIC, "en_US"); |
| 1680 | |
Jens Axboe | 29d610e | 2007-02-06 13:25:33 +0100 | [diff] [blame] | 1681 | ps = sysconf(_SC_PAGESIZE); |
| 1682 | if (ps < 0) { |
| 1683 | log_err("Failed to get page size\n"); |
| 1684 | return 1; |
| 1685 | } |
| 1686 | |
Jens Axboe | cfc99db | 2007-03-14 10:34:47 +0100 | [diff] [blame] | 1687 | page_size = ps; |
Jens Axboe | 29d610e | 2007-02-06 13:25:33 +0100 | [diff] [blame] | 1688 | page_mask = ps - 1; |
| 1689 | |
Jens Axboe | 74929ac | 2009-08-05 11:42:37 +0200 | [diff] [blame] | 1690 | fio_keywords_init(); |
| 1691 | |
| 1692 | if (parse_options(argc, argv)) |
| 1693 | return 1; |
| 1694 | |
Jens Axboe | 07b3232 | 2010-03-05 09:48:44 +0100 | [diff] [blame] | 1695 | if (exec_profile && load_profile(exec_profile)) |
| 1696 | return 1; |
| 1697 | |
Jens Axboe | 74929ac | 2009-08-05 11:42:37 +0200 | [diff] [blame] | 1698 | if (!thread_number) |
| 1699 | return 0; |
| 1700 | |
Jens Axboe | bb3884d | 2007-01-17 17:23:11 +1100 | [diff] [blame] | 1701 | if (write_bw_log) { |
| 1702 | setup_log(&agg_io_log[DDIR_READ]); |
| 1703 | setup_log(&agg_io_log[DDIR_WRITE]); |
| 1704 | } |
| 1705 | |
Jens Axboe | cdd18ad | 2008-02-27 18:58:00 +0100 | [diff] [blame] | 1706 | startup_mutex = fio_mutex_init(0); |
Bruce Cran | 03e20d6 | 2011-01-02 20:14:54 +0100 | [diff] [blame] | 1707 | if (startup_mutex == NULL) |
| 1708 | return 1; |
Fabio Checconi | d2bbb8d | 2009-05-18 12:54:50 +0200 | [diff] [blame] | 1709 | writeout_mutex = fio_mutex_init(1); |
Bruce Cran | 03e20d6 | 2011-01-02 20:14:54 +0100 | [diff] [blame] | 1710 | if (writeout_mutex == NULL) |
| 1711 | return 1; |
Jens Axboe | 07739b5 | 2007-03-08 20:25:46 +0100 | [diff] [blame] | 1712 | |
Jens Axboe | a2f77c9 | 2007-02-22 11:53:00 +0100 | [diff] [blame] | 1713 | set_genesis_time(); |
Jens Axboe | 7985701 | 2011-01-14 14:14:58 +0100 | [diff] [blame] | 1714 | create_disk_util_thread(); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1715 | |
Jens Axboe | dae5341 | 2009-12-04 19:54:18 +0100 | [diff] [blame] | 1716 | cgroup_list = smalloc(sizeof(*cgroup_list)); |
| 1717 | INIT_FLIST_HEAD(cgroup_list); |
| 1718 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1719 | run_threads(); |
Jens Axboe | 6ce15a3 | 2007-01-12 09:04:41 +0100 | [diff] [blame] | 1720 | |
Jens Axboe | bb3884d | 2007-01-17 17:23:11 +1100 | [diff] [blame] | 1721 | if (!fio_abort) { |
Jens Axboe | 6ce15a3 | 2007-01-12 09:04:41 +0100 | [diff] [blame] | 1722 | show_run_stats(); |
Jens Axboe | bb3884d | 2007-01-17 17:23:11 +1100 | [diff] [blame] | 1723 | if (write_bw_log) { |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 1724 | __finish_log(agg_io_log[DDIR_READ], "agg-read_bw.log"); |
| 1725 | __finish_log(agg_io_log[DDIR_WRITE], |
| 1726 | "agg-write_bw.log"); |
Jens Axboe | bb3884d | 2007-01-17 17:23:11 +1100 | [diff] [blame] | 1727 | } |
| 1728 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1729 | |
Jens Axboe | dae5341 | 2009-12-04 19:54:18 +0100 | [diff] [blame] | 1730 | cgroup_kill(cgroup_list); |
| 1731 | sfree(cgroup_list); |
Jens Axboe | 61eb313 | 2010-03-31 20:05:59 +0200 | [diff] [blame] | 1732 | sfree(cgroup_mnt); |
Jens Axboe | 39f2202 | 2009-12-04 11:29:12 +0100 | [diff] [blame] | 1733 | |
Jens Axboe | cdd18ad | 2008-02-27 18:58:00 +0100 | [diff] [blame] | 1734 | fio_mutex_remove(startup_mutex); |
Fabio Checconi | d2bbb8d | 2009-05-18 12:54:50 +0200 | [diff] [blame] | 1735 | fio_mutex_remove(writeout_mutex); |
Jens Axboe | 437c9b7 | 2007-02-13 18:20:37 +0100 | [diff] [blame] | 1736 | return exit_value; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1737 | } |