Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 1 | /* |
Jens Axboe | cb2c86f | 2006-10-26 13:48:34 +0200 | [diff] [blame] | 2 | * This file contains job initialization and setup functions. |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 3 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 4 | #include <stdio.h> |
| 5 | #include <stdlib.h> |
| 6 | #include <unistd.h> |
| 7 | #include <fcntl.h> |
| 8 | #include <ctype.h> |
| 9 | #include <string.h> |
| 10 | #include <errno.h> |
Jens Axboe | b469282 | 2006-10-27 13:43:22 +0200 | [diff] [blame] | 11 | #include <getopt.h> |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 12 | #include <sys/ipc.h> |
| 13 | #include <sys/shm.h> |
| 14 | #include <sys/types.h> |
| 15 | #include <sys/stat.h> |
| 16 | |
| 17 | #include "fio.h" |
Jens Axboe | cb2c86f | 2006-10-26 13:48:34 +0200 | [diff] [blame] | 18 | #include "parse.h" |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 19 | |
Jens Axboe | e6203e9 | 2007-09-03 10:26:54 +0200 | [diff] [blame] | 20 | static char fio_version_string[] = "fio 1.17.1"; |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 21 | |
Jens Axboe | ee73849 | 2007-01-10 11:23:16 +0100 | [diff] [blame] | 22 | #define FIO_RANDSEED (0xb1899bedUL) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 23 | |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 24 | static char **ini_file; |
| 25 | static int max_jobs = MAX_JOBS; |
Jens Axboe | cca73aa | 2007-04-04 11:09:19 +0200 | [diff] [blame] | 26 | static int dump_cmdline; |
Jens Axboe | e1f3650 | 2006-10-27 10:54:08 +0200 | [diff] [blame] | 27 | |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 28 | struct thread_data def_thread; |
| 29 | struct thread_data *threads = NULL; |
Jens Axboe | e1f3650 | 2006-10-27 10:54:08 +0200 | [diff] [blame] | 30 | |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 31 | int exitall_on_terminate = 0; |
| 32 | int terse_output = 0; |
| 33 | unsigned long long mlock_size = 0; |
| 34 | FILE *f_out = NULL; |
| 35 | FILE *f_err = NULL; |
Jens Axboe | ee73849 | 2007-01-10 11:23:16 +0100 | [diff] [blame] | 36 | |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 37 | int write_bw_log = 0; |
Jens Axboe | e1f3650 | 2006-10-27 10:54:08 +0200 | [diff] [blame] | 38 | |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 39 | static int def_timeout = 0; |
| 40 | static int write_lat_log = 0; |
| 41 | |
| 42 | static int prev_group_jobs; |
Jens Axboe | b469282 | 2006-10-27 13:43:22 +0200 | [diff] [blame] | 43 | |
| 44 | /* |
| 45 | * Command line options. These will contain the above, plus a few |
| 46 | * extra that only pertain to fio itself and not jobs. |
| 47 | */ |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 48 | static struct option long_options[FIO_NR_OPTIONS] = { |
Jens Axboe | b469282 | 2006-10-27 13:43:22 +0200 | [diff] [blame] | 49 | { |
| 50 | .name = "output", |
| 51 | .has_arg = required_argument, |
| 52 | .val = 'o', |
| 53 | }, |
| 54 | { |
| 55 | .name = "timeout", |
| 56 | .has_arg = required_argument, |
| 57 | .val = 't', |
| 58 | }, |
| 59 | { |
| 60 | .name = "latency-log", |
| 61 | .has_arg = required_argument, |
| 62 | .val = 'l', |
| 63 | }, |
| 64 | { |
| 65 | .name = "bandwidth-log", |
| 66 | .has_arg = required_argument, |
| 67 | .val = 'b', |
| 68 | }, |
| 69 | { |
| 70 | .name = "minimal", |
| 71 | .has_arg = optional_argument, |
| 72 | .val = 'm', |
| 73 | }, |
| 74 | { |
| 75 | .name = "version", |
| 76 | .has_arg = no_argument, |
| 77 | .val = 'v', |
| 78 | }, |
| 79 | { |
Jens Axboe | fd28ca4 | 2007-01-09 21:20:13 +0100 | [diff] [blame] | 80 | .name = "help", |
| 81 | .has_arg = no_argument, |
| 82 | .val = 'h', |
| 83 | }, |
| 84 | { |
| 85 | .name = "cmdhelp", |
Jens Axboe | 320beef | 2007-03-01 10:44:12 +0100 | [diff] [blame] | 86 | .has_arg = optional_argument, |
Jens Axboe | fd28ca4 | 2007-01-09 21:20:13 +0100 | [diff] [blame] | 87 | .val = 'c', |
| 88 | }, |
| 89 | { |
Jens Axboe | cca73aa | 2007-04-04 11:09:19 +0200 | [diff] [blame] | 90 | .name = "showcmd", |
| 91 | .has_arg = no_argument, |
| 92 | .val = 's' |
| 93 | }, |
| 94 | { |
Jens Axboe | b469282 | 2006-10-27 13:43:22 +0200 | [diff] [blame] | 95 | .name = NULL, |
| 96 | }, |
| 97 | }; |
| 98 | |
Joel Becker | 9728ce3 | 2007-03-01 08:24:39 +0100 | [diff] [blame] | 99 | FILE *get_f_out() |
| 100 | { |
| 101 | return f_out; |
| 102 | } |
| 103 | |
| 104 | FILE *get_f_err() |
| 105 | { |
| 106 | return f_err; |
| 107 | } |
| 108 | |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 109 | /* |
| 110 | * Return a free job structure. |
| 111 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 112 | static struct thread_data *get_new_job(int global, struct thread_data *parent) |
| 113 | { |
| 114 | struct thread_data *td; |
| 115 | |
| 116 | if (global) |
| 117 | return &def_thread; |
| 118 | if (thread_number >= max_jobs) |
| 119 | return NULL; |
| 120 | |
| 121 | td = &threads[thread_number++]; |
Jens Axboe | ddaeaa5 | 2006-06-08 11:00:58 +0200 | [diff] [blame] | 122 | *td = *parent; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 123 | |
Jens Axboe | cade3ef | 2007-03-23 15:29:45 +0100 | [diff] [blame] | 124 | dup_files(td, parent); |
Jens Axboe | d23bb32 | 2007-03-23 15:57:56 +0100 | [diff] [blame] | 125 | options_mem_dupe(td); |
Jens Axboe | cade3ef | 2007-03-23 15:29:45 +0100 | [diff] [blame] | 126 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 127 | td->thread_number = thread_number; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 128 | return td; |
| 129 | } |
| 130 | |
| 131 | static void put_job(struct thread_data *td) |
| 132 | { |
Jens Axboe | 549577a | 2006-10-30 12:23:41 +0100 | [diff] [blame] | 133 | if (td == &def_thread) |
| 134 | return; |
| 135 | |
Jens Axboe | 16edf25 | 2007-02-10 14:59:22 +0100 | [diff] [blame] | 136 | if (td->error) |
Jens Axboe | 6d86144 | 2007-03-15 09:22:23 +0100 | [diff] [blame] | 137 | log_info("fio: %s\n", td->verror); |
Jens Axboe | 16edf25 | 2007-02-10 14:59:22 +0100 | [diff] [blame] | 138 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 139 | memset(&threads[td->thread_number - 1], 0, sizeof(*td)); |
| 140 | thread_number--; |
| 141 | } |
| 142 | |
Jens Axboe | 127f686 | 2007-03-15 12:09:57 +0100 | [diff] [blame] | 143 | static int setup_rate(struct thread_data *td) |
| 144 | { |
| 145 | unsigned long nr_reads_per_msec; |
| 146 | unsigned long long rate; |
| 147 | unsigned int bs; |
| 148 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 149 | if (!td->o.rate && !td->o.rate_iops) |
Jens Axboe | 127f686 | 2007-03-15 12:09:57 +0100 | [diff] [blame] | 150 | return 0; |
| 151 | |
| 152 | if (td_rw(td)) |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 153 | bs = td->o.rw_min_bs; |
Jens Axboe | 127f686 | 2007-03-15 12:09:57 +0100 | [diff] [blame] | 154 | else if (td_read(td)) |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 155 | bs = td->o.min_bs[DDIR_READ]; |
Jens Axboe | 127f686 | 2007-03-15 12:09:57 +0100 | [diff] [blame] | 156 | else |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 157 | bs = td->o.min_bs[DDIR_WRITE]; |
Jens Axboe | 127f686 | 2007-03-15 12:09:57 +0100 | [diff] [blame] | 158 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 159 | if (td->o.rate) { |
| 160 | rate = td->o.rate; |
Jens Axboe | 127f686 | 2007-03-15 12:09:57 +0100 | [diff] [blame] | 161 | nr_reads_per_msec = (rate * 1024 * 1000LL) / bs; |
| 162 | } else |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 163 | nr_reads_per_msec = td->o.rate_iops * 1000UL; |
Jens Axboe | 127f686 | 2007-03-15 12:09:57 +0100 | [diff] [blame] | 164 | |
| 165 | if (!nr_reads_per_msec) { |
| 166 | log_err("rate lower than supported\n"); |
| 167 | return -1; |
| 168 | } |
| 169 | |
| 170 | td->rate_usec_cycle = 1000000000ULL / nr_reads_per_msec; |
| 171 | td->rate_pending_usleep = 0; |
| 172 | return 0; |
| 173 | } |
| 174 | |
Jens Axboe | dad915e | 2006-10-27 11:10:18 +0200 | [diff] [blame] | 175 | /* |
| 176 | * Lazy way of fixing up options that depend on each other. We could also |
| 177 | * define option callback handlers, but this is easier. |
| 178 | */ |
Jens Axboe | 4e991c2 | 2007-03-15 11:41:11 +0100 | [diff] [blame] | 179 | static int fixup_options(struct thread_data *td) |
Jens Axboe | e1f3650 | 2006-10-27 10:54:08 +0200 | [diff] [blame] | 180 | { |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 181 | struct thread_options *o = &td->o; |
Jens Axboe | dad915e | 2006-10-27 11:10:18 +0200 | [diff] [blame] | 182 | |
Jens Axboe | e47f799 | 2007-03-21 14:05:39 +0100 | [diff] [blame] | 183 | if (o->rwmix[DDIR_READ] + o->rwmix[DDIR_WRITE] > 100) |
| 184 | o->rwmix[DDIR_WRITE] = 100 - o->rwmix[DDIR_READ]; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 185 | |
| 186 | if (o->write_iolog_file && o->read_iolog_file) { |
Jens Axboe | 076efc7 | 2006-10-27 11:24:25 +0200 | [diff] [blame] | 187 | log_err("fio: read iolog overrides write_iolog\n"); |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 188 | free(o->write_iolog_file); |
| 189 | o->write_iolog_file = NULL; |
Jens Axboe | 076efc7 | 2006-10-27 11:24:25 +0200 | [diff] [blame] | 190 | } |
Jens Axboe | 16b462a | 2006-10-30 12:35:18 +0100 | [diff] [blame] | 191 | |
| 192 | if (td->io_ops->flags & FIO_SYNCIO) |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 193 | o->iodepth = 1; |
Jens Axboe | 16b462a | 2006-10-30 12:35:18 +0100 | [diff] [blame] | 194 | else { |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 195 | if (!o->iodepth) |
| 196 | o->iodepth = o->open_files; |
Jens Axboe | 16b462a | 2006-10-30 12:35:18 +0100 | [diff] [blame] | 197 | } |
| 198 | |
| 199 | /* |
| 200 | * only really works for sequential io for now, and with 1 file |
| 201 | */ |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 202 | if (o->zone_size && td_random(td) && o->open_files == 1) |
| 203 | o->zone_size = 0; |
Jens Axboe | 16b462a | 2006-10-30 12:35:18 +0100 | [diff] [blame] | 204 | |
| 205 | /* |
| 206 | * Reads can do overwrites, we always need to pre-create the file |
| 207 | */ |
| 208 | if (td_read(td) || td_rw(td)) |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 209 | o->overwrite = 1; |
Jens Axboe | 16b462a | 2006-10-30 12:35:18 +0100 | [diff] [blame] | 210 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 211 | if (!o->min_bs[DDIR_READ]) |
| 212 | o->min_bs[DDIR_READ]= o->bs[DDIR_READ]; |
| 213 | if (!o->max_bs[DDIR_READ]) |
| 214 | o->max_bs[DDIR_READ] = o->bs[DDIR_READ]; |
| 215 | if (!o->min_bs[DDIR_WRITE]) |
| 216 | o->min_bs[DDIR_WRITE]= o->bs[DDIR_WRITE]; |
| 217 | if (!o->max_bs[DDIR_WRITE]) |
| 218 | o->max_bs[DDIR_WRITE] = o->bs[DDIR_WRITE]; |
Jens Axboe | a00735e | 2006-11-03 08:58:08 +0100 | [diff] [blame] | 219 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 220 | o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]); |
Jens Axboe | a00735e | 2006-11-03 08:58:08 +0100 | [diff] [blame] | 221 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 222 | if (!o->file_size_high) |
| 223 | o->file_size_high = o->file_size_low; |
Jens Axboe | 9c60ce6 | 2007-03-15 09:14:47 +0100 | [diff] [blame] | 224 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 225 | if (o->norandommap && o->verify != VERIFY_NONE) { |
Jens Axboe | bb8895e | 2006-10-30 15:14:48 +0100 | [diff] [blame] | 226 | log_err("fio: norandommap given, verify disabled\n"); |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 227 | o->verify = VERIFY_NONE; |
Jens Axboe | bb8895e | 2006-10-30 15:14:48 +0100 | [diff] [blame] | 228 | } |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 229 | if (o->bs_unaligned && (o->odirect || td->io_ops->flags & FIO_RAWIO)) |
Jens Axboe | 690adba | 2006-10-30 15:25:09 +0100 | [diff] [blame] | 230 | log_err("fio: bs_unaligned may not work with raw io\n"); |
Jens Axboe | e0a2233 | 2006-12-20 12:54:25 +0100 | [diff] [blame] | 231 | |
| 232 | /* |
Jens Axboe | 48097d5 | 2007-02-17 06:30:44 +0100 | [diff] [blame] | 233 | * thinktime_spin must be less than thinktime |
| 234 | */ |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 235 | if (o->thinktime_spin > o->thinktime) |
| 236 | o->thinktime_spin = o->thinktime; |
Jens Axboe | e916b39 | 2007-02-20 14:37:26 +0100 | [diff] [blame] | 237 | |
| 238 | /* |
| 239 | * The low water mark cannot be bigger than the iodepth |
| 240 | */ |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 241 | if (o->iodepth_low > o->iodepth || !o->iodepth_low) { |
Jens Axboe | 9467b77 | 2007-02-27 19:56:43 +0100 | [diff] [blame] | 242 | /* |
| 243 | * syslet work around - if the workload is sequential, |
| 244 | * we want to let the queue drain all the way down to |
| 245 | * avoid seeking between async threads |
| 246 | */ |
| 247 | if (!strcmp(td->io_ops->name, "syslet-rw") && !td_random(td)) |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 248 | o->iodepth_low = 1; |
Jens Axboe | 9467b77 | 2007-02-27 19:56:43 +0100 | [diff] [blame] | 249 | else |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 250 | o->iodepth_low = o->iodepth; |
Jens Axboe | 9467b77 | 2007-02-27 19:56:43 +0100 | [diff] [blame] | 251 | } |
Jens Axboe | cb5ab51 | 2007-02-26 12:57:09 +0100 | [diff] [blame] | 252 | |
| 253 | /* |
| 254 | * If batch number isn't set, default to the same as iodepth |
| 255 | */ |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 256 | if (o->iodepth_batch > o->iodepth || !o->iodepth_batch) |
| 257 | o->iodepth_batch = o->iodepth; |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 258 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 259 | if (o->nr_files > td->files_index) |
| 260 | o->nr_files = td->files_index; |
Jens Axboe | 9f9214f | 2007-03-13 14:02:16 +0100 | [diff] [blame] | 261 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 262 | if (o->open_files > o->nr_files || !o->open_files) |
| 263 | o->open_files = o->nr_files; |
Jens Axboe | 4e991c2 | 2007-03-15 11:41:11 +0100 | [diff] [blame] | 264 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 265 | if ((o->rate && o->rate_iops) || (o->ratemin && o->rate_iops_min)) { |
Jens Axboe | 4e991c2 | 2007-03-15 11:41:11 +0100 | [diff] [blame] | 266 | log_err("fio: rate and rate_iops are mutually exclusive\n"); |
| 267 | return 1; |
| 268 | } |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 269 | if ((o->rate < o->ratemin) || (o->rate_iops < o->rate_iops_min)) { |
Jens Axboe | 4e991c2 | 2007-03-15 11:41:11 +0100 | [diff] [blame] | 270 | log_err("fio: minimum rate exceeds rate\n"); |
| 271 | return 1; |
| 272 | } |
| 273 | |
Jens Axboe | cf4464c | 2007-04-17 20:14:42 +0200 | [diff] [blame] | 274 | if (!o->timeout && o->time_based) { |
| 275 | log_err("fio: time_based requires a runtime/timeout setting\n"); |
| 276 | o->time_based = 0; |
| 277 | } |
| 278 | |
Jens Axboe | 4e991c2 | 2007-03-15 11:41:11 +0100 | [diff] [blame] | 279 | return 0; |
Jens Axboe | e1f3650 | 2006-10-27 10:54:08 +0200 | [diff] [blame] | 280 | } |
| 281 | |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 282 | /* |
Jens Axboe | f8977ee | 2006-11-06 14:03:03 +0100 | [diff] [blame] | 283 | * This function leaks the buffer |
| 284 | */ |
| 285 | static char *to_kmg(unsigned int val) |
| 286 | { |
| 287 | char *buf = malloc(32); |
Jens Axboe | f3502ba | 2007-02-14 01:27:09 +0100 | [diff] [blame] | 288 | char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 }; |
Jens Axboe | f8977ee | 2006-11-06 14:03:03 +0100 | [diff] [blame] | 289 | char *p = post; |
| 290 | |
Jens Axboe | 245142f | 2006-11-08 12:49:21 +0100 | [diff] [blame] | 291 | do { |
Jens Axboe | f8977ee | 2006-11-06 14:03:03 +0100 | [diff] [blame] | 292 | if (val & 1023) |
| 293 | break; |
| 294 | |
| 295 | val >>= 10; |
| 296 | p++; |
Jens Axboe | 245142f | 2006-11-08 12:49:21 +0100 | [diff] [blame] | 297 | } while (*p); |
Jens Axboe | f8977ee | 2006-11-06 14:03:03 +0100 | [diff] [blame] | 298 | |
| 299 | snprintf(buf, 31, "%u%c", val, *p); |
| 300 | return buf; |
| 301 | } |
| 302 | |
Jens Axboe | 09629a9 | 2007-03-09 09:00:06 +0100 | [diff] [blame] | 303 | /* External engines are specified by "external:name.o") */ |
| 304 | static const char *get_engine_name(const char *str) |
| 305 | { |
| 306 | char *p = strstr(str, ":"); |
| 307 | |
| 308 | if (!p) |
| 309 | return str; |
| 310 | |
| 311 | p++; |
| 312 | strip_blank_front(&p); |
| 313 | strip_blank_end(p); |
| 314 | return p; |
| 315 | } |
| 316 | |
Jens Axboe | e132cba | 2007-03-14 14:23:54 +0100 | [diff] [blame] | 317 | static int exists_and_not_file(const char *filename) |
| 318 | { |
| 319 | struct stat sb; |
| 320 | |
| 321 | if (lstat(filename, &sb) == -1) |
| 322 | return 0; |
| 323 | |
| 324 | if (S_ISREG(sb.st_mode)) |
| 325 | return 0; |
| 326 | |
| 327 | return 1; |
| 328 | } |
| 329 | |
Jens Axboe | f8977ee | 2006-11-06 14:03:03 +0100 | [diff] [blame] | 330 | /* |
Jens Axboe | 9c60ce6 | 2007-03-15 09:14:47 +0100 | [diff] [blame] | 331 | * Initialize the various random states we need (random io, block size ranges, |
| 332 | * read/write mix, etc). |
| 333 | */ |
| 334 | static int init_random_state(struct thread_data *td) |
| 335 | { |
| 336 | unsigned long seeds[6]; |
Jens Axboe | 6872707 | 2007-03-15 20:49:25 +0100 | [diff] [blame] | 337 | int fd; |
Jens Axboe | 9c60ce6 | 2007-03-15 09:14:47 +0100 | [diff] [blame] | 338 | |
| 339 | fd = open("/dev/urandom", O_RDONLY); |
| 340 | if (fd == -1) { |
| 341 | td_verror(td, errno, "open"); |
| 342 | return 1; |
| 343 | } |
| 344 | |
| 345 | if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) { |
| 346 | td_verror(td, EIO, "read"); |
| 347 | close(fd); |
| 348 | return 1; |
| 349 | } |
| 350 | |
| 351 | close(fd); |
| 352 | |
| 353 | os_random_seed(seeds[0], &td->bsrange_state); |
| 354 | os_random_seed(seeds[1], &td->verify_state); |
| 355 | os_random_seed(seeds[2], &td->rwmix_state); |
| 356 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 357 | if (td->o.file_service_type == FIO_FSERVICE_RANDOM) |
Jens Axboe | 9c60ce6 | 2007-03-15 09:14:47 +0100 | [diff] [blame] | 358 | os_random_seed(seeds[3], &td->next_file_state); |
| 359 | |
| 360 | os_random_seed(seeds[5], &td->file_size_state); |
| 361 | |
| 362 | if (!td_random(td)) |
| 363 | return 0; |
| 364 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 365 | if (td->o.rand_repeatable) |
Jens Axboe | 9c60ce6 | 2007-03-15 09:14:47 +0100 | [diff] [blame] | 366 | seeds[4] = FIO_RANDSEED * td->thread_number; |
| 367 | |
Jens Axboe | 9c60ce6 | 2007-03-15 09:14:47 +0100 | [diff] [blame] | 368 | os_random_seed(seeds[4], &td->random_state); |
| 369 | return 0; |
| 370 | } |
| 371 | |
Jens Axboe | 9c60ce6 | 2007-03-15 09:14:47 +0100 | [diff] [blame] | 372 | /* |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 373 | * Adds a job to the list of things todo. Sanitizes the various options |
| 374 | * to make sure we don't have conflicts, and initializes various |
| 375 | * members of td. |
| 376 | */ |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 377 | static int add_job(struct thread_data *td, const char *jobname, int job_add_num) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 378 | { |
Jens Axboe | 413dd45 | 2007-02-23 09:26:09 +0100 | [diff] [blame] | 379 | const char *ddir_str[] = { NULL, "read", "write", "rw", NULL, |
| 380 | "randread", "randwrite", "randrw" }; |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 381 | unsigned int i; |
Jens Axboe | 09629a9 | 2007-03-09 09:00:06 +0100 | [diff] [blame] | 382 | const char *engine; |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 383 | char fname[PATH_MAX]; |
Jens Axboe | e132cba | 2007-03-14 14:23:54 +0100 | [diff] [blame] | 384 | int numjobs, file_alloced; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 385 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 386 | /* |
| 387 | * the def_thread is just for options, it's not a real job |
| 388 | */ |
| 389 | if (td == &def_thread) |
| 390 | return 0; |
| 391 | |
Jens Axboe | cca73aa | 2007-04-04 11:09:19 +0200 | [diff] [blame] | 392 | /* |
| 393 | * if we are just dumping the output command line, don't add the job |
| 394 | */ |
| 395 | if (dump_cmdline) { |
| 396 | put_job(td); |
| 397 | return 0; |
| 398 | } |
| 399 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 400 | engine = get_engine_name(td->o.ioengine); |
Jens Axboe | 09629a9 | 2007-03-09 09:00:06 +0100 | [diff] [blame] | 401 | td->io_ops = load_ioengine(td, engine); |
| 402 | if (!td->io_ops) { |
| 403 | log_err("fio: failed to load engine %s\n", engine); |
Jens Axboe | 205927a | 2007-03-15 11:06:32 +0100 | [diff] [blame] | 404 | goto err; |
Jens Axboe | 09629a9 | 2007-03-09 09:00:06 +0100 | [diff] [blame] | 405 | } |
Jens Axboe | df64119 | 2006-10-12 07:55:41 +0200 | [diff] [blame] | 406 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 407 | if (td->o.use_thread) |
Jens Axboe | 9cedf16 | 2007-03-12 11:29:30 +0100 | [diff] [blame] | 408 | nr_thread++; |
| 409 | else |
| 410 | nr_process++; |
| 411 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 412 | if (td->o.odirect) |
Jens Axboe | 690adba | 2006-10-30 15:25:09 +0100 | [diff] [blame] | 413 | td->io_ops->flags |= FIO_RAWIO; |
| 414 | |
Jens Axboe | e132cba | 2007-03-14 14:23:54 +0100 | [diff] [blame] | 415 | file_alloced = 0; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 416 | if (!td->o.filename && !td->files_index) { |
Jens Axboe | e132cba | 2007-03-14 14:23:54 +0100 | [diff] [blame] | 417 | file_alloced = 1; |
Jens Axboe | 80be24f | 2007-03-12 11:01:25 +0100 | [diff] [blame] | 418 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 419 | if (td->o.nr_files == 1 && exists_and_not_file(jobname)) |
Jens Axboe | e132cba | 2007-03-14 14:23:54 +0100 | [diff] [blame] | 420 | add_file(td, jobname); |
Jens Axboe | 7b05a21 | 2007-03-13 11:17:07 +0100 | [diff] [blame] | 421 | else { |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 422 | for (i = 0; i < td->o.nr_files; i++) { |
Jens Axboe | e132cba | 2007-03-14 14:23:54 +0100 | [diff] [blame] | 423 | sprintf(fname, "%s.%d.%d", jobname, td->thread_number, i); |
Jens Axboe | 7b05a21 | 2007-03-13 11:17:07 +0100 | [diff] [blame] | 424 | add_file(td, fname); |
| 425 | } |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 426 | } |
Jens Axboe | 0af7b54 | 2006-02-17 10:10:12 +0100 | [diff] [blame] | 427 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 428 | |
Jens Axboe | 4e991c2 | 2007-03-15 11:41:11 +0100 | [diff] [blame] | 429 | if (fixup_options(td)) |
| 430 | goto err; |
Jens Axboe | e0a2233 | 2006-12-20 12:54:25 +0100 | [diff] [blame] | 431 | |
Jens Axboe | 07eb79d | 2007-04-12 13:02:38 +0200 | [diff] [blame] | 432 | if (td->io_ops->flags & FIO_DISKLESSIO) { |
| 433 | struct fio_file *f; |
| 434 | |
| 435 | for_each_file(td, f, i) |
| 436 | f->real_file_size = -1ULL; |
| 437 | } |
| 438 | |
Jens Axboe | 07739b5 | 2007-03-08 20:25:46 +0100 | [diff] [blame] | 439 | td->mutex = fio_sem_init(0); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 440 | |
Jens Axboe | 756867b | 2007-03-06 15:19:24 +0100 | [diff] [blame] | 441 | td->ts.clat_stat[0].min_val = td->ts.clat_stat[1].min_val = ULONG_MAX; |
| 442 | td->ts.slat_stat[0].min_val = td->ts.slat_stat[1].min_val = ULONG_MAX; |
| 443 | td->ts.bw_stat[0].min_val = td->ts.bw_stat[1].min_val = ULONG_MAX; |
Jens Axboe | 1e3d53a | 2007-03-22 19:01:48 +0100 | [diff] [blame] | 444 | td->ddir_nr = td->o.ddir_nr; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 445 | |
Jens Axboe | b3d62a7 | 2007-03-20 14:23:26 +0100 | [diff] [blame] | 446 | if ((td->o.stonewall || td->o.numjobs > 1 || td->o.new_group) |
| 447 | && prev_group_jobs) { |
Jens Axboe | 3c5df6f | 2007-03-12 15:09:24 +0100 | [diff] [blame] | 448 | prev_group_jobs = 0; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 449 | groupid++; |
Jens Axboe | 3c5df6f | 2007-03-12 15:09:24 +0100 | [diff] [blame] | 450 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 451 | |
| 452 | td->groupid = groupid; |
Jens Axboe | 3c5df6f | 2007-03-12 15:09:24 +0100 | [diff] [blame] | 453 | prev_group_jobs++; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 454 | |
Jens Axboe | 9c60ce6 | 2007-03-15 09:14:47 +0100 | [diff] [blame] | 455 | if (init_random_state(td)) |
| 456 | goto err; |
| 457 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 458 | if (setup_rate(td)) |
| 459 | goto err; |
| 460 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 461 | if (td->o.write_lat_log) { |
Jens Axboe | 756867b | 2007-03-06 15:19:24 +0100 | [diff] [blame] | 462 | setup_log(&td->ts.slat_log); |
| 463 | setup_log(&td->ts.clat_log); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 464 | } |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 465 | if (td->o.write_bw_log) |
Jens Axboe | 756867b | 2007-03-06 15:19:24 +0100 | [diff] [blame] | 466 | setup_log(&td->ts.bw_log); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 467 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 468 | if (!td->o.name) |
| 469 | td->o.name = strdup(jobname); |
Jens Axboe | 0145205 | 2006-06-07 10:29:47 +0200 | [diff] [blame] | 470 | |
Jens Axboe | c6ae0a5 | 2006-06-12 11:04:44 +0200 | [diff] [blame] | 471 | if (!terse_output) { |
Jens Axboe | b990b5c | 2006-09-14 09:48:22 +0200 | [diff] [blame] | 472 | if (!job_add_num) { |
Jens Axboe | ba0fbe1 | 2007-03-09 14:34:23 +0100 | [diff] [blame] | 473 | if (!strcmp(td->io_ops->name, "cpuio")) |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 474 | log_info("%s: ioengine=cpu, cpuload=%u, cpucycle=%u\n", td->o.name, td->o.cpuload, td->o.cpucycle); |
Jens Axboe | f8977ee | 2006-11-06 14:03:03 +0100 | [diff] [blame] | 475 | else { |
| 476 | char *c1, *c2, *c3, *c4; |
| 477 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 478 | c1 = to_kmg(td->o.min_bs[DDIR_READ]); |
| 479 | c2 = to_kmg(td->o.max_bs[DDIR_READ]); |
| 480 | c3 = to_kmg(td->o.min_bs[DDIR_WRITE]); |
| 481 | c4 = to_kmg(td->o.max_bs[DDIR_WRITE]); |
Jens Axboe | f8977ee | 2006-11-06 14:03:03 +0100 | [diff] [blame] | 482 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 483 | log_info("%s: (g=%d): rw=%s, bs=%s-%s/%s-%s, ioengine=%s, iodepth=%u\n", td->o.name, td->groupid, ddir_str[td->o.td_ddir], c1, c2, c3, c4, td->io_ops->name, td->o.iodepth); |
Jens Axboe | f8977ee | 2006-11-06 14:03:03 +0100 | [diff] [blame] | 484 | |
| 485 | free(c1); |
| 486 | free(c2); |
| 487 | free(c3); |
| 488 | free(c4); |
| 489 | } |
Jens Axboe | b990b5c | 2006-09-14 09:48:22 +0200 | [diff] [blame] | 490 | } else if (job_add_num == 1) |
Jens Axboe | 6d86144 | 2007-03-15 09:22:23 +0100 | [diff] [blame] | 491 | log_info("...\n"); |
Jens Axboe | c6ae0a5 | 2006-06-12 11:04:44 +0200 | [diff] [blame] | 492 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 493 | |
| 494 | /* |
| 495 | * recurse add identical jobs, clear numjobs and stonewall options |
| 496 | * as they don't apply to sub-jobs |
| 497 | */ |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 498 | numjobs = td->o.numjobs; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 499 | while (--numjobs) { |
| 500 | struct thread_data *td_new = get_new_job(0, td); |
| 501 | |
| 502 | if (!td_new) |
| 503 | goto err; |
| 504 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 505 | td_new->o.numjobs = 1; |
| 506 | td_new->o.stonewall = 0; |
Jens Axboe | 92c1d41 | 2007-03-28 10:04:08 +0200 | [diff] [blame] | 507 | td_new->o.new_group = 0; |
Jens Axboe | e132cba | 2007-03-14 14:23:54 +0100 | [diff] [blame] | 508 | |
| 509 | if (file_alloced) { |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 510 | td_new->o.filename = NULL; |
Jens Axboe | e132cba | 2007-03-14 14:23:54 +0100 | [diff] [blame] | 511 | td_new->files_index = 0; |
| 512 | td_new->files = NULL; |
| 513 | } |
| 514 | |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 515 | job_add_num = numjobs - 1; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 516 | |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 517 | if (add_job(td_new, jobname, job_add_num)) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 518 | goto err; |
| 519 | } |
Jens Axboe | 3c5df6f | 2007-03-12 15:09:24 +0100 | [diff] [blame] | 520 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 521 | return 0; |
| 522 | err: |
| 523 | put_job(td); |
| 524 | return -1; |
| 525 | } |
| 526 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 527 | static int is_empty_or_comment(char *line) |
| 528 | { |
| 529 | unsigned int i; |
| 530 | |
| 531 | for (i = 0; i < strlen(line); i++) { |
| 532 | if (line[i] == ';') |
| 533 | return 1; |
Ingo Molnar | 5cc2da3 | 2007-02-20 10:19:44 +0100 | [diff] [blame] | 534 | if (line[i] == '#') |
| 535 | return 1; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 536 | if (!isspace(line[i]) && !iscntrl(line[i])) |
| 537 | return 0; |
| 538 | } |
| 539 | |
| 540 | return 1; |
| 541 | } |
| 542 | |
Jens Axboe | 313cb20 | 2006-12-21 09:50:00 +0100 | [diff] [blame] | 543 | /* |
Jens Axboe | 0726198 | 2006-06-07 10:51:12 +0200 | [diff] [blame] | 544 | * This is our [ini] type file parser. |
| 545 | */ |
Jens Axboe | 1e97cce | 2006-12-05 11:44:16 +0100 | [diff] [blame] | 546 | static int parse_jobs_ini(char *file, int stonewall_flag) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 547 | { |
Jens Axboe | e1f3650 | 2006-10-27 10:54:08 +0200 | [diff] [blame] | 548 | unsigned int global; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 549 | struct thread_data *td; |
Jens Axboe | fee3bb4 | 2006-10-30 13:32:08 +0100 | [diff] [blame] | 550 | char *string, *name; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 551 | fpos_t off; |
| 552 | FILE *f; |
| 553 | char *p; |
Jens Axboe | 0c7e37a | 2006-06-13 14:53:38 +0200 | [diff] [blame] | 554 | int ret = 0, stonewall; |
Jens Axboe | 097b299 | 2007-04-19 09:41:45 +0200 | [diff] [blame] | 555 | int first_sect = 1; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 556 | |
| 557 | f = fopen(file, "r"); |
| 558 | if (!f) { |
Jens Axboe | aea47d4 | 2006-05-26 19:27:29 +0200 | [diff] [blame] | 559 | perror("fopen job file"); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 560 | return 1; |
| 561 | } |
| 562 | |
| 563 | string = malloc(4096); |
Jens Axboe | 7f7e6e5 | 2007-07-19 14:50:05 +0200 | [diff] [blame] | 564 | |
| 565 | /* |
| 566 | * it's really 256 + small bit, 280 should suffice |
| 567 | */ |
| 568 | name = malloc(280); |
| 569 | memset(name, 0, 280); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 570 | |
Jens Axboe | 0c7e37a | 2006-06-13 14:53:38 +0200 | [diff] [blame] | 571 | stonewall = stonewall_flag; |
Jens Axboe | 7c124ac | 2006-10-30 13:36:52 +0100 | [diff] [blame] | 572 | do { |
| 573 | p = fgets(string, 4095, f); |
| 574 | if (!p) |
Jens Axboe | 45410ac | 2006-06-07 11:10:39 +0200 | [diff] [blame] | 575 | break; |
gurudas pai | cdc7f19 | 2007-03-29 10:10:56 +0200 | [diff] [blame] | 576 | |
| 577 | strip_blank_front(&p); |
Jens Axboe | 6c7c7da | 2007-03-29 14:12:57 -0800 | [diff] [blame] | 578 | strip_blank_end(p); |
gurudas pai | cdc7f19 | 2007-03-29 10:10:56 +0200 | [diff] [blame] | 579 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 580 | if (is_empty_or_comment(p)) |
| 581 | continue; |
Jens Axboe | 6c7c7da | 2007-03-29 14:12:57 -0800 | [diff] [blame] | 582 | if (sscanf(p, "[%255s]", name) != 1) { |
Jens Axboe | 088b420 | 2007-07-19 14:53:01 +0200 | [diff] [blame] | 583 | log_err("fio: option <%s> outside of [] job section\n", p); |
| 584 | break; |
Jens Axboe | 6c7c7da | 2007-03-29 14:12:57 -0800 | [diff] [blame] | 585 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 586 | |
| 587 | global = !strncmp(name, "global", 6); |
| 588 | |
| 589 | name[strlen(name) - 1] = '\0'; |
| 590 | |
Jens Axboe | cca73aa | 2007-04-04 11:09:19 +0200 | [diff] [blame] | 591 | if (dump_cmdline) { |
Jens Axboe | 097b299 | 2007-04-19 09:41:45 +0200 | [diff] [blame] | 592 | if (first_sect) |
| 593 | log_info("fio "); |
Jens Axboe | cca73aa | 2007-04-04 11:09:19 +0200 | [diff] [blame] | 594 | if (!global) |
| 595 | log_info("--name=%s ", name); |
Jens Axboe | 097b299 | 2007-04-19 09:41:45 +0200 | [diff] [blame] | 596 | first_sect = 0; |
Jens Axboe | cca73aa | 2007-04-04 11:09:19 +0200 | [diff] [blame] | 597 | } |
| 598 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 599 | td = get_new_job(global, &def_thread); |
Jens Axboe | 45410ac | 2006-06-07 11:10:39 +0200 | [diff] [blame] | 600 | if (!td) { |
| 601 | ret = 1; |
| 602 | break; |
| 603 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 604 | |
Jens Axboe | 972cfd2 | 2006-06-09 11:08:56 +0200 | [diff] [blame] | 605 | /* |
| 606 | * Seperate multiple job files by a stonewall |
| 607 | */ |
Jens Axboe | f948191 | 2006-06-09 11:37:28 +0200 | [diff] [blame] | 608 | if (!global && stonewall) { |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 609 | td->o.stonewall = stonewall; |
Jens Axboe | 972cfd2 | 2006-06-09 11:08:56 +0200 | [diff] [blame] | 610 | stonewall = 0; |
| 611 | } |
| 612 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 613 | fgetpos(f, &off); |
| 614 | while ((p = fgets(string, 4096, f)) != NULL) { |
| 615 | if (is_empty_or_comment(p)) |
| 616 | continue; |
Jens Axboe | e1f3650 | 2006-10-27 10:54:08 +0200 | [diff] [blame] | 617 | |
Jens Axboe | b6754f9 | 2006-05-30 14:29:32 +0200 | [diff] [blame] | 618 | strip_blank_front(&p); |
Jens Axboe | 7c124ac | 2006-10-30 13:36:52 +0100 | [diff] [blame] | 619 | |
| 620 | if (p[0] == '[') |
| 621 | break; |
| 622 | |
Jens Axboe | 4ae3f76 | 2006-05-30 13:35:14 +0200 | [diff] [blame] | 623 | strip_blank_end(p); |
Jens Axboe | aea47d4 | 2006-05-26 19:27:29 +0200 | [diff] [blame] | 624 | |
Jens Axboe | e1f3650 | 2006-10-27 10:54:08 +0200 | [diff] [blame] | 625 | fgetpos(f, &off); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 626 | |
Jens Axboe | 45410ac | 2006-06-07 11:10:39 +0200 | [diff] [blame] | 627 | /* |
| 628 | * Don't break here, continue parsing options so we |
| 629 | * dump all the bad ones. Makes trial/error fixups |
| 630 | * easier on the user. |
| 631 | */ |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 632 | ret |= fio_option_parse(td, p); |
Jens Axboe | cca73aa | 2007-04-04 11:09:19 +0200 | [diff] [blame] | 633 | if (!ret && dump_cmdline) |
| 634 | log_info("--%s ", p); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 635 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 636 | |
Jens Axboe | 45410ac | 2006-06-07 11:10:39 +0200 | [diff] [blame] | 637 | if (!ret) { |
| 638 | fsetpos(f, &off); |
| 639 | ret = add_job(td, name, 0); |
Jens Axboe | b1508cf | 2006-11-02 09:12:40 +0100 | [diff] [blame] | 640 | } else { |
| 641 | log_err("fio: job %s dropped\n", name); |
| 642 | put_job(td); |
Jens Axboe | 45410ac | 2006-06-07 11:10:39 +0200 | [diff] [blame] | 643 | } |
Jens Axboe | 7c124ac | 2006-10-30 13:36:52 +0100 | [diff] [blame] | 644 | } while (!ret); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 645 | |
Jens Axboe | cca73aa | 2007-04-04 11:09:19 +0200 | [diff] [blame] | 646 | if (dump_cmdline) |
| 647 | log_info("\n"); |
| 648 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 649 | free(string); |
| 650 | free(name); |
| 651 | fclose(f); |
Jens Axboe | 45410ac | 2006-06-07 11:10:39 +0200 | [diff] [blame] | 652 | return ret; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 653 | } |
| 654 | |
| 655 | static int fill_def_thread(void) |
| 656 | { |
| 657 | memset(&def_thread, 0, sizeof(def_thread)); |
| 658 | |
Jens Axboe | 375b269 | 2007-05-22 09:13:02 +0200 | [diff] [blame] | 659 | fio_getaffinity(getpid(), &def_thread.o.cpumask); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 660 | |
| 661 | /* |
Jens Axboe | ee73849 | 2007-01-10 11:23:16 +0100 | [diff] [blame] | 662 | * fill default options |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 663 | */ |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 664 | fio_fill_default_options(&def_thread); |
Jens Axboe | ee73849 | 2007-01-10 11:23:16 +0100 | [diff] [blame] | 665 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 666 | def_thread.o.timeout = def_timeout; |
| 667 | def_thread.o.write_bw_log = write_bw_log; |
| 668 | def_thread.o.write_lat_log = write_lat_log; |
Jens Axboe | ee73849 | 2007-01-10 11:23:16 +0100 | [diff] [blame] | 669 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 670 | return 0; |
| 671 | } |
| 672 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 673 | static void free_shm(void) |
| 674 | { |
| 675 | struct shmid_ds sbuf; |
| 676 | |
| 677 | if (threads) { |
Jens Axboe | 2c0ecd2 | 2006-06-08 13:25:41 +0200 | [diff] [blame] | 678 | shmdt((void *) threads); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 679 | threads = NULL; |
| 680 | shmctl(shm_id, IPC_RMID, &sbuf); |
| 681 | } |
| 682 | } |
| 683 | |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 684 | /* |
| 685 | * The thread area is shared between the main process and the job |
| 686 | * threads/processes. So setup a shared memory segment that will hold |
| 687 | * all the job info. |
| 688 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 689 | static int setup_thread_area(void) |
| 690 | { |
| 691 | /* |
| 692 | * 1024 is too much on some machines, scale max_jobs if |
| 693 | * we get a failure that looks like too large a shm segment |
| 694 | */ |
| 695 | do { |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 696 | size_t size = max_jobs * sizeof(struct thread_data); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 697 | |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 698 | shm_id = shmget(0, size, IPC_CREAT | 0600); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 699 | if (shm_id != -1) |
| 700 | break; |
| 701 | if (errno != EINVAL) { |
| 702 | perror("shmget"); |
| 703 | break; |
| 704 | } |
| 705 | |
| 706 | max_jobs >>= 1; |
| 707 | } while (max_jobs); |
| 708 | |
| 709 | if (shm_id == -1) |
| 710 | return 1; |
| 711 | |
| 712 | threads = shmat(shm_id, NULL, 0); |
| 713 | if (threads == (void *) -1) { |
| 714 | perror("shmat"); |
| 715 | return 1; |
| 716 | } |
| 717 | |
| 718 | atexit(free_shm); |
| 719 | return 0; |
| 720 | } |
| 721 | |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 722 | static void usage(void) |
Jens Axboe | b469282 | 2006-10-27 13:43:22 +0200 | [diff] [blame] | 723 | { |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 724 | printf("%s\n", fio_version_string); |
| 725 | printf("\t--output\tWrite output to file\n"); |
| 726 | printf("\t--timeout\tRuntime in seconds\n"); |
| 727 | printf("\t--latency-log\tGenerate per-job latency logs\n"); |
| 728 | printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n"); |
| 729 | printf("\t--minimal\tMinimal (terse) output\n"); |
| 730 | printf("\t--version\tPrint version info and exit\n"); |
| 731 | printf("\t--help\t\tPrint this page\n"); |
| 732 | printf("\t--cmdhelp=cmd\tPrint command help, \"all\" for all of them\n"); |
Jens Axboe | cca73aa | 2007-04-04 11:09:19 +0200 | [diff] [blame] | 733 | printf("\t--showcmd\tTurn a job file into command line options\n"); |
Jens Axboe | b469282 | 2006-10-27 13:43:22 +0200 | [diff] [blame] | 734 | } |
| 735 | |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 736 | static int parse_cmd_line(int argc, char *argv[]) |
| 737 | { |
| 738 | struct thread_data *td = NULL; |
| 739 | int c, ini_idx = 0, lidx, ret, dont_add_job = 0; |
| 740 | |
| 741 | while ((c = getopt_long_only(argc, argv, "", long_options, &lidx)) != -1) { |
| 742 | switch (c) { |
| 743 | case 't': |
| 744 | def_timeout = atoi(optarg); |
| 745 | break; |
| 746 | case 'l': |
| 747 | write_lat_log = 1; |
| 748 | break; |
| 749 | case 'w': |
| 750 | write_bw_log = 1; |
| 751 | break; |
| 752 | case 'o': |
| 753 | f_out = fopen(optarg, "w+"); |
| 754 | if (!f_out) { |
| 755 | perror("fopen output"); |
| 756 | exit(1); |
| 757 | } |
| 758 | f_err = f_out; |
| 759 | break; |
| 760 | case 'm': |
| 761 | terse_output = 1; |
| 762 | break; |
| 763 | case 'h': |
| 764 | usage(); |
| 765 | exit(0); |
| 766 | case 'c': |
| 767 | exit(fio_show_option_help(optarg)); |
Jens Axboe | cca73aa | 2007-04-04 11:09:19 +0200 | [diff] [blame] | 768 | case 's': |
| 769 | dump_cmdline = 1; |
| 770 | break; |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 771 | case 'v': |
| 772 | printf("%s\n", fio_version_string); |
| 773 | exit(0); |
| 774 | case FIO_GETOPT_JOB: { |
| 775 | const char *opt = long_options[lidx].name; |
| 776 | char *val = optarg; |
| 777 | |
| 778 | if (!strncmp(opt, "name", 4) && td) { |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 779 | ret = add_job(td, td->o.name ?: "fio", 0); |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 780 | if (ret) { |
| 781 | put_job(td); |
| 782 | return 0; |
| 783 | } |
| 784 | td = NULL; |
| 785 | } |
| 786 | if (!td) { |
Jens Axboe | 3106f22 | 2007-04-19 09:53:28 +0200 | [diff] [blame] | 787 | int global = 0; |
| 788 | |
| 789 | if (strncmp(opt, "name", 4) || |
| 790 | !strncmp(val, "global", 6)) |
| 791 | global = 1; |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 792 | |
| 793 | td = get_new_job(global, &def_thread); |
| 794 | if (!td) |
| 795 | return 0; |
| 796 | } |
| 797 | |
| 798 | ret = fio_cmd_option_parse(td, opt, val); |
| 799 | if (ret) |
| 800 | dont_add_job = 1; |
| 801 | break; |
| 802 | } |
| 803 | default: |
| 804 | break; |
| 805 | } |
| 806 | } |
| 807 | |
| 808 | if (td) { |
| 809 | if (dont_add_job) |
| 810 | put_job(td); |
| 811 | else { |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 812 | ret = add_job(td, td->o.name ?: "fio", 0); |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 813 | if (ret) |
| 814 | put_job(td); |
| 815 | } |
| 816 | } |
| 817 | |
| 818 | while (optind < argc) { |
| 819 | ini_idx++; |
| 820 | ini_file = realloc(ini_file, ini_idx * sizeof(char *)); |
| 821 | ini_file[ini_idx - 1] = strdup(argv[optind]); |
| 822 | optind++; |
| 823 | } |
| 824 | |
| 825 | return ini_idx; |
| 826 | } |
| 827 | |
| 828 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 829 | int parse_options(int argc, char *argv[]) |
| 830 | { |
Jens Axboe | 972cfd2 | 2006-06-09 11:08:56 +0200 | [diff] [blame] | 831 | int job_files, i; |
| 832 | |
Jens Axboe | b469282 | 2006-10-27 13:43:22 +0200 | [diff] [blame] | 833 | f_out = stdout; |
| 834 | f_err = stderr; |
| 835 | |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 836 | fio_options_dup_and_init(long_options); |
Jens Axboe | b469282 | 2006-10-27 13:43:22 +0200 | [diff] [blame] | 837 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 838 | if (setup_thread_area()) |
| 839 | return 1; |
| 840 | if (fill_def_thread()) |
| 841 | return 1; |
| 842 | |
Jens Axboe | 972cfd2 | 2006-06-09 11:08:56 +0200 | [diff] [blame] | 843 | job_files = parse_cmd_line(argc, argv); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 844 | |
Jens Axboe | 972cfd2 | 2006-06-09 11:08:56 +0200 | [diff] [blame] | 845 | for (i = 0; i < job_files; i++) { |
| 846 | if (fill_def_thread()) |
| 847 | return 1; |
Jens Axboe | 0c7e37a | 2006-06-13 14:53:38 +0200 | [diff] [blame] | 848 | if (parse_jobs_ini(ini_file[i], i)) |
Jens Axboe | 972cfd2 | 2006-06-09 11:08:56 +0200 | [diff] [blame] | 849 | return 1; |
Jens Axboe | 88c6ed8 | 2006-06-09 11:28:10 +0200 | [diff] [blame] | 850 | free(ini_file[i]); |
Jens Axboe | 972cfd2 | 2006-06-09 11:08:56 +0200 | [diff] [blame] | 851 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 852 | |
Jens Axboe | 88c6ed8 | 2006-06-09 11:28:10 +0200 | [diff] [blame] | 853 | free(ini_file); |
Jens Axboe | d23bb32 | 2007-03-23 15:57:56 +0100 | [diff] [blame] | 854 | options_mem_free(&def_thread); |
Jens Axboe | b469282 | 2006-10-27 13:43:22 +0200 | [diff] [blame] | 855 | |
| 856 | if (!thread_number) { |
Jens Axboe | cca73aa | 2007-04-04 11:09:19 +0200 | [diff] [blame] | 857 | if (dump_cmdline) |
| 858 | return 0; |
| 859 | |
Jens Axboe | b469282 | 2006-10-27 13:43:22 +0200 | [diff] [blame] | 860 | log_err("No jobs defined(s)\n"); |
Jens Axboe | b469282 | 2006-10-27 13:43:22 +0200 | [diff] [blame] | 861 | return 1; |
| 862 | } |
| 863 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 864 | return 0; |
| 865 | } |