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 | 724e443 | 2007-09-11 20:02:05 +0200 | [diff] [blame^] | 27 | static int read_only; |
Jens Axboe | e1f3650 | 2006-10-27 10:54:08 +0200 | [diff] [blame] | 28 | |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 29 | struct thread_data def_thread; |
| 30 | struct thread_data *threads = NULL; |
Jens Axboe | e1f3650 | 2006-10-27 10:54:08 +0200 | [diff] [blame] | 31 | |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 32 | int exitall_on_terminate = 0; |
| 33 | int terse_output = 0; |
| 34 | unsigned long long mlock_size = 0; |
| 35 | FILE *f_out = NULL; |
| 36 | FILE *f_err = NULL; |
Jens Axboe | ee73849 | 2007-01-10 11:23:16 +0100 | [diff] [blame] | 37 | |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 38 | int write_bw_log = 0; |
Jens Axboe | e1f3650 | 2006-10-27 10:54:08 +0200 | [diff] [blame] | 39 | |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 40 | static int def_timeout = 0; |
| 41 | static int write_lat_log = 0; |
| 42 | |
| 43 | static int prev_group_jobs; |
Jens Axboe | b469282 | 2006-10-27 13:43:22 +0200 | [diff] [blame] | 44 | |
| 45 | /* |
| 46 | * Command line options. These will contain the above, plus a few |
| 47 | * extra that only pertain to fio itself and not jobs. |
| 48 | */ |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 49 | static struct option long_options[FIO_NR_OPTIONS] = { |
Jens Axboe | b469282 | 2006-10-27 13:43:22 +0200 | [diff] [blame] | 50 | { |
| 51 | .name = "output", |
| 52 | .has_arg = required_argument, |
| 53 | .val = 'o', |
| 54 | }, |
| 55 | { |
| 56 | .name = "timeout", |
| 57 | .has_arg = required_argument, |
| 58 | .val = 't', |
| 59 | }, |
| 60 | { |
| 61 | .name = "latency-log", |
| 62 | .has_arg = required_argument, |
| 63 | .val = 'l', |
| 64 | }, |
| 65 | { |
| 66 | .name = "bandwidth-log", |
| 67 | .has_arg = required_argument, |
| 68 | .val = 'b', |
| 69 | }, |
| 70 | { |
| 71 | .name = "minimal", |
| 72 | .has_arg = optional_argument, |
| 73 | .val = 'm', |
| 74 | }, |
| 75 | { |
| 76 | .name = "version", |
| 77 | .has_arg = no_argument, |
| 78 | .val = 'v', |
| 79 | }, |
| 80 | { |
Jens Axboe | fd28ca4 | 2007-01-09 21:20:13 +0100 | [diff] [blame] | 81 | .name = "help", |
| 82 | .has_arg = no_argument, |
| 83 | .val = 'h', |
| 84 | }, |
| 85 | { |
| 86 | .name = "cmdhelp", |
Jens Axboe | 320beef | 2007-03-01 10:44:12 +0100 | [diff] [blame] | 87 | .has_arg = optional_argument, |
Jens Axboe | fd28ca4 | 2007-01-09 21:20:13 +0100 | [diff] [blame] | 88 | .val = 'c', |
| 89 | }, |
| 90 | { |
Jens Axboe | cca73aa | 2007-04-04 11:09:19 +0200 | [diff] [blame] | 91 | .name = "showcmd", |
| 92 | .has_arg = no_argument, |
Jens Axboe | 724e443 | 2007-09-11 20:02:05 +0200 | [diff] [blame^] | 93 | .val = 's', |
| 94 | }, |
| 95 | { |
| 96 | .name = "readonly", |
| 97 | .has_arg = no_argument, |
| 98 | .val = 'r', |
Jens Axboe | cca73aa | 2007-04-04 11:09:19 +0200 | [diff] [blame] | 99 | }, |
| 100 | { |
Jens Axboe | b469282 | 2006-10-27 13:43:22 +0200 | [diff] [blame] | 101 | .name = NULL, |
| 102 | }, |
| 103 | }; |
| 104 | |
Joel Becker | 9728ce3 | 2007-03-01 08:24:39 +0100 | [diff] [blame] | 105 | FILE *get_f_out() |
| 106 | { |
| 107 | return f_out; |
| 108 | } |
| 109 | |
| 110 | FILE *get_f_err() |
| 111 | { |
| 112 | return f_err; |
| 113 | } |
| 114 | |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 115 | /* |
| 116 | * Return a free job structure. |
| 117 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 118 | static struct thread_data *get_new_job(int global, struct thread_data *parent) |
| 119 | { |
| 120 | struct thread_data *td; |
| 121 | |
| 122 | if (global) |
| 123 | return &def_thread; |
| 124 | if (thread_number >= max_jobs) |
| 125 | return NULL; |
| 126 | |
| 127 | td = &threads[thread_number++]; |
Jens Axboe | ddaeaa5 | 2006-06-08 11:00:58 +0200 | [diff] [blame] | 128 | *td = *parent; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 129 | |
Jens Axboe | cade3ef | 2007-03-23 15:29:45 +0100 | [diff] [blame] | 130 | dup_files(td, parent); |
Jens Axboe | d23bb32 | 2007-03-23 15:57:56 +0100 | [diff] [blame] | 131 | options_mem_dupe(td); |
Jens Axboe | cade3ef | 2007-03-23 15:29:45 +0100 | [diff] [blame] | 132 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 133 | td->thread_number = thread_number; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 134 | return td; |
| 135 | } |
| 136 | |
| 137 | static void put_job(struct thread_data *td) |
| 138 | { |
Jens Axboe | 549577a | 2006-10-30 12:23:41 +0100 | [diff] [blame] | 139 | if (td == &def_thread) |
| 140 | return; |
| 141 | |
Jens Axboe | 16edf25 | 2007-02-10 14:59:22 +0100 | [diff] [blame] | 142 | if (td->error) |
Jens Axboe | 6d86144 | 2007-03-15 09:22:23 +0100 | [diff] [blame] | 143 | log_info("fio: %s\n", td->verror); |
Jens Axboe | 16edf25 | 2007-02-10 14:59:22 +0100 | [diff] [blame] | 144 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 145 | memset(&threads[td->thread_number - 1], 0, sizeof(*td)); |
| 146 | thread_number--; |
| 147 | } |
| 148 | |
Jens Axboe | 127f686 | 2007-03-15 12:09:57 +0100 | [diff] [blame] | 149 | static int setup_rate(struct thread_data *td) |
| 150 | { |
| 151 | unsigned long nr_reads_per_msec; |
| 152 | unsigned long long rate; |
| 153 | unsigned int bs; |
| 154 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 155 | if (!td->o.rate && !td->o.rate_iops) |
Jens Axboe | 127f686 | 2007-03-15 12:09:57 +0100 | [diff] [blame] | 156 | return 0; |
| 157 | |
| 158 | if (td_rw(td)) |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 159 | bs = td->o.rw_min_bs; |
Jens Axboe | 127f686 | 2007-03-15 12:09:57 +0100 | [diff] [blame] | 160 | else if (td_read(td)) |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 161 | bs = td->o.min_bs[DDIR_READ]; |
Jens Axboe | 127f686 | 2007-03-15 12:09:57 +0100 | [diff] [blame] | 162 | else |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 163 | bs = td->o.min_bs[DDIR_WRITE]; |
Jens Axboe | 127f686 | 2007-03-15 12:09:57 +0100 | [diff] [blame] | 164 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 165 | if (td->o.rate) { |
| 166 | rate = td->o.rate; |
Jens Axboe | 127f686 | 2007-03-15 12:09:57 +0100 | [diff] [blame] | 167 | nr_reads_per_msec = (rate * 1024 * 1000LL) / bs; |
| 168 | } else |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 169 | nr_reads_per_msec = td->o.rate_iops * 1000UL; |
Jens Axboe | 127f686 | 2007-03-15 12:09:57 +0100 | [diff] [blame] | 170 | |
| 171 | if (!nr_reads_per_msec) { |
| 172 | log_err("rate lower than supported\n"); |
| 173 | return -1; |
| 174 | } |
| 175 | |
| 176 | td->rate_usec_cycle = 1000000000ULL / nr_reads_per_msec; |
| 177 | td->rate_pending_usleep = 0; |
| 178 | return 0; |
| 179 | } |
| 180 | |
Jens Axboe | dad915e | 2006-10-27 11:10:18 +0200 | [diff] [blame] | 181 | /* |
| 182 | * Lazy way of fixing up options that depend on each other. We could also |
| 183 | * define option callback handlers, but this is easier. |
| 184 | */ |
Jens Axboe | 4e991c2 | 2007-03-15 11:41:11 +0100 | [diff] [blame] | 185 | static int fixup_options(struct thread_data *td) |
Jens Axboe | e1f3650 | 2006-10-27 10:54:08 +0200 | [diff] [blame] | 186 | { |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 187 | struct thread_options *o = &td->o; |
Jens Axboe | dad915e | 2006-10-27 11:10:18 +0200 | [diff] [blame] | 188 | |
Jens Axboe | 724e443 | 2007-09-11 20:02:05 +0200 | [diff] [blame^] | 189 | if (read_only && td_write(td)) { |
| 190 | log_err("fio: job <%s> has write bit set, but fio is in read-only mode\n", td->o.name); |
| 191 | return 1; |
| 192 | } |
| 193 | |
Jens Axboe | e47f799 | 2007-03-21 14:05:39 +0100 | [diff] [blame] | 194 | if (o->rwmix[DDIR_READ] + o->rwmix[DDIR_WRITE] > 100) |
| 195 | o->rwmix[DDIR_WRITE] = 100 - o->rwmix[DDIR_READ]; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 196 | |
| 197 | if (o->write_iolog_file && o->read_iolog_file) { |
Jens Axboe | 076efc7 | 2006-10-27 11:24:25 +0200 | [diff] [blame] | 198 | log_err("fio: read iolog overrides write_iolog\n"); |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 199 | free(o->write_iolog_file); |
| 200 | o->write_iolog_file = NULL; |
Jens Axboe | 076efc7 | 2006-10-27 11:24:25 +0200 | [diff] [blame] | 201 | } |
Jens Axboe | 16b462a | 2006-10-30 12:35:18 +0100 | [diff] [blame] | 202 | |
| 203 | if (td->io_ops->flags & FIO_SYNCIO) |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 204 | o->iodepth = 1; |
Jens Axboe | 16b462a | 2006-10-30 12:35:18 +0100 | [diff] [blame] | 205 | else { |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 206 | if (!o->iodepth) |
| 207 | o->iodepth = o->open_files; |
Jens Axboe | 16b462a | 2006-10-30 12:35:18 +0100 | [diff] [blame] | 208 | } |
| 209 | |
| 210 | /* |
| 211 | * only really works for sequential io for now, and with 1 file |
| 212 | */ |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 213 | if (o->zone_size && td_random(td) && o->open_files == 1) |
| 214 | o->zone_size = 0; |
Jens Axboe | 16b462a | 2006-10-30 12:35:18 +0100 | [diff] [blame] | 215 | |
| 216 | /* |
| 217 | * Reads can do overwrites, we always need to pre-create the file |
| 218 | */ |
| 219 | if (td_read(td) || td_rw(td)) |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 220 | o->overwrite = 1; |
Jens Axboe | 16b462a | 2006-10-30 12:35:18 +0100 | [diff] [blame] | 221 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 222 | if (!o->min_bs[DDIR_READ]) |
| 223 | o->min_bs[DDIR_READ]= o->bs[DDIR_READ]; |
| 224 | if (!o->max_bs[DDIR_READ]) |
| 225 | o->max_bs[DDIR_READ] = o->bs[DDIR_READ]; |
| 226 | if (!o->min_bs[DDIR_WRITE]) |
| 227 | o->min_bs[DDIR_WRITE]= o->bs[DDIR_WRITE]; |
| 228 | if (!o->max_bs[DDIR_WRITE]) |
| 229 | o->max_bs[DDIR_WRITE] = o->bs[DDIR_WRITE]; |
Jens Axboe | a00735e | 2006-11-03 08:58:08 +0100 | [diff] [blame] | 230 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 231 | 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] | 232 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 233 | if (!o->file_size_high) |
| 234 | o->file_size_high = o->file_size_low; |
Jens Axboe | 9c60ce6 | 2007-03-15 09:14:47 +0100 | [diff] [blame] | 235 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 236 | if (o->norandommap && o->verify != VERIFY_NONE) { |
Jens Axboe | bb8895e | 2006-10-30 15:14:48 +0100 | [diff] [blame] | 237 | log_err("fio: norandommap given, verify disabled\n"); |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 238 | o->verify = VERIFY_NONE; |
Jens Axboe | bb8895e | 2006-10-30 15:14:48 +0100 | [diff] [blame] | 239 | } |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 240 | if (o->bs_unaligned && (o->odirect || td->io_ops->flags & FIO_RAWIO)) |
Jens Axboe | 690adba | 2006-10-30 15:25:09 +0100 | [diff] [blame] | 241 | log_err("fio: bs_unaligned may not work with raw io\n"); |
Jens Axboe | e0a2233 | 2006-12-20 12:54:25 +0100 | [diff] [blame] | 242 | |
| 243 | /* |
Jens Axboe | 48097d5 | 2007-02-17 06:30:44 +0100 | [diff] [blame] | 244 | * thinktime_spin must be less than thinktime |
| 245 | */ |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 246 | if (o->thinktime_spin > o->thinktime) |
| 247 | o->thinktime_spin = o->thinktime; |
Jens Axboe | e916b39 | 2007-02-20 14:37:26 +0100 | [diff] [blame] | 248 | |
| 249 | /* |
| 250 | * The low water mark cannot be bigger than the iodepth |
| 251 | */ |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 252 | if (o->iodepth_low > o->iodepth || !o->iodepth_low) { |
Jens Axboe | 9467b77 | 2007-02-27 19:56:43 +0100 | [diff] [blame] | 253 | /* |
| 254 | * syslet work around - if the workload is sequential, |
| 255 | * we want to let the queue drain all the way down to |
| 256 | * avoid seeking between async threads |
| 257 | */ |
| 258 | if (!strcmp(td->io_ops->name, "syslet-rw") && !td_random(td)) |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 259 | o->iodepth_low = 1; |
Jens Axboe | 9467b77 | 2007-02-27 19:56:43 +0100 | [diff] [blame] | 260 | else |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 261 | o->iodepth_low = o->iodepth; |
Jens Axboe | 9467b77 | 2007-02-27 19:56:43 +0100 | [diff] [blame] | 262 | } |
Jens Axboe | cb5ab51 | 2007-02-26 12:57:09 +0100 | [diff] [blame] | 263 | |
| 264 | /* |
| 265 | * If batch number isn't set, default to the same as iodepth |
| 266 | */ |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 267 | if (o->iodepth_batch > o->iodepth || !o->iodepth_batch) |
| 268 | o->iodepth_batch = o->iodepth; |
Jens Axboe | b5af829 | 2007-03-08 12:43:13 +0100 | [diff] [blame] | 269 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 270 | if (o->nr_files > td->files_index) |
| 271 | o->nr_files = td->files_index; |
Jens Axboe | 9f9214f | 2007-03-13 14:02:16 +0100 | [diff] [blame] | 272 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 273 | if (o->open_files > o->nr_files || !o->open_files) |
| 274 | o->open_files = o->nr_files; |
Jens Axboe | 4e991c2 | 2007-03-15 11:41:11 +0100 | [diff] [blame] | 275 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 276 | if ((o->rate && o->rate_iops) || (o->ratemin && o->rate_iops_min)) { |
Jens Axboe | 4e991c2 | 2007-03-15 11:41:11 +0100 | [diff] [blame] | 277 | log_err("fio: rate and rate_iops are mutually exclusive\n"); |
| 278 | return 1; |
| 279 | } |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 280 | if ((o->rate < o->ratemin) || (o->rate_iops < o->rate_iops_min)) { |
Jens Axboe | 4e991c2 | 2007-03-15 11:41:11 +0100 | [diff] [blame] | 281 | log_err("fio: minimum rate exceeds rate\n"); |
| 282 | return 1; |
| 283 | } |
| 284 | |
Jens Axboe | cf4464c | 2007-04-17 20:14:42 +0200 | [diff] [blame] | 285 | if (!o->timeout && o->time_based) { |
| 286 | log_err("fio: time_based requires a runtime/timeout setting\n"); |
| 287 | o->time_based = 0; |
| 288 | } |
| 289 | |
Jens Axboe | 4e991c2 | 2007-03-15 11:41:11 +0100 | [diff] [blame] | 290 | return 0; |
Jens Axboe | e1f3650 | 2006-10-27 10:54:08 +0200 | [diff] [blame] | 291 | } |
| 292 | |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 293 | /* |
Jens Axboe | f8977ee | 2006-11-06 14:03:03 +0100 | [diff] [blame] | 294 | * This function leaks the buffer |
| 295 | */ |
| 296 | static char *to_kmg(unsigned int val) |
| 297 | { |
| 298 | char *buf = malloc(32); |
Jens Axboe | f3502ba | 2007-02-14 01:27:09 +0100 | [diff] [blame] | 299 | char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 }; |
Jens Axboe | f8977ee | 2006-11-06 14:03:03 +0100 | [diff] [blame] | 300 | char *p = post; |
| 301 | |
Jens Axboe | 245142f | 2006-11-08 12:49:21 +0100 | [diff] [blame] | 302 | do { |
Jens Axboe | f8977ee | 2006-11-06 14:03:03 +0100 | [diff] [blame] | 303 | if (val & 1023) |
| 304 | break; |
| 305 | |
| 306 | val >>= 10; |
| 307 | p++; |
Jens Axboe | 245142f | 2006-11-08 12:49:21 +0100 | [diff] [blame] | 308 | } while (*p); |
Jens Axboe | f8977ee | 2006-11-06 14:03:03 +0100 | [diff] [blame] | 309 | |
| 310 | snprintf(buf, 31, "%u%c", val, *p); |
| 311 | return buf; |
| 312 | } |
| 313 | |
Jens Axboe | 09629a9 | 2007-03-09 09:00:06 +0100 | [diff] [blame] | 314 | /* External engines are specified by "external:name.o") */ |
| 315 | static const char *get_engine_name(const char *str) |
| 316 | { |
| 317 | char *p = strstr(str, ":"); |
| 318 | |
| 319 | if (!p) |
| 320 | return str; |
| 321 | |
| 322 | p++; |
| 323 | strip_blank_front(&p); |
| 324 | strip_blank_end(p); |
| 325 | return p; |
| 326 | } |
| 327 | |
Jens Axboe | e132cba | 2007-03-14 14:23:54 +0100 | [diff] [blame] | 328 | static int exists_and_not_file(const char *filename) |
| 329 | { |
| 330 | struct stat sb; |
| 331 | |
| 332 | if (lstat(filename, &sb) == -1) |
| 333 | return 0; |
| 334 | |
| 335 | if (S_ISREG(sb.st_mode)) |
| 336 | return 0; |
| 337 | |
| 338 | return 1; |
| 339 | } |
| 340 | |
Jens Axboe | f8977ee | 2006-11-06 14:03:03 +0100 | [diff] [blame] | 341 | /* |
Jens Axboe | 9c60ce6 | 2007-03-15 09:14:47 +0100 | [diff] [blame] | 342 | * Initialize the various random states we need (random io, block size ranges, |
| 343 | * read/write mix, etc). |
| 344 | */ |
| 345 | static int init_random_state(struct thread_data *td) |
| 346 | { |
| 347 | unsigned long seeds[6]; |
Jens Axboe | 6872707 | 2007-03-15 20:49:25 +0100 | [diff] [blame] | 348 | int fd; |
Jens Axboe | 9c60ce6 | 2007-03-15 09:14:47 +0100 | [diff] [blame] | 349 | |
| 350 | fd = open("/dev/urandom", O_RDONLY); |
| 351 | if (fd == -1) { |
| 352 | td_verror(td, errno, "open"); |
| 353 | return 1; |
| 354 | } |
| 355 | |
| 356 | if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) { |
| 357 | td_verror(td, EIO, "read"); |
| 358 | close(fd); |
| 359 | return 1; |
| 360 | } |
| 361 | |
| 362 | close(fd); |
| 363 | |
| 364 | os_random_seed(seeds[0], &td->bsrange_state); |
| 365 | os_random_seed(seeds[1], &td->verify_state); |
| 366 | os_random_seed(seeds[2], &td->rwmix_state); |
| 367 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 368 | if (td->o.file_service_type == FIO_FSERVICE_RANDOM) |
Jens Axboe | 9c60ce6 | 2007-03-15 09:14:47 +0100 | [diff] [blame] | 369 | os_random_seed(seeds[3], &td->next_file_state); |
| 370 | |
| 371 | os_random_seed(seeds[5], &td->file_size_state); |
| 372 | |
| 373 | if (!td_random(td)) |
| 374 | return 0; |
| 375 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 376 | if (td->o.rand_repeatable) |
Jens Axboe | 9c60ce6 | 2007-03-15 09:14:47 +0100 | [diff] [blame] | 377 | seeds[4] = FIO_RANDSEED * td->thread_number; |
| 378 | |
Jens Axboe | 9c60ce6 | 2007-03-15 09:14:47 +0100 | [diff] [blame] | 379 | os_random_seed(seeds[4], &td->random_state); |
| 380 | return 0; |
| 381 | } |
| 382 | |
Jens Axboe | 9c60ce6 | 2007-03-15 09:14:47 +0100 | [diff] [blame] | 383 | /* |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 384 | * Adds a job to the list of things todo. Sanitizes the various options |
| 385 | * to make sure we don't have conflicts, and initializes various |
| 386 | * members of td. |
| 387 | */ |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 388 | 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] | 389 | { |
Jens Axboe | 413dd45 | 2007-02-23 09:26:09 +0100 | [diff] [blame] | 390 | const char *ddir_str[] = { NULL, "read", "write", "rw", NULL, |
| 391 | "randread", "randwrite", "randrw" }; |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 392 | unsigned int i; |
Jens Axboe | 09629a9 | 2007-03-09 09:00:06 +0100 | [diff] [blame] | 393 | const char *engine; |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 394 | char fname[PATH_MAX]; |
Jens Axboe | e132cba | 2007-03-14 14:23:54 +0100 | [diff] [blame] | 395 | int numjobs, file_alloced; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 396 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 397 | /* |
| 398 | * the def_thread is just for options, it's not a real job |
| 399 | */ |
| 400 | if (td == &def_thread) |
| 401 | return 0; |
| 402 | |
Jens Axboe | cca73aa | 2007-04-04 11:09:19 +0200 | [diff] [blame] | 403 | /* |
| 404 | * if we are just dumping the output command line, don't add the job |
| 405 | */ |
| 406 | if (dump_cmdline) { |
| 407 | put_job(td); |
| 408 | return 0; |
| 409 | } |
| 410 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 411 | engine = get_engine_name(td->o.ioengine); |
Jens Axboe | 09629a9 | 2007-03-09 09:00:06 +0100 | [diff] [blame] | 412 | td->io_ops = load_ioengine(td, engine); |
| 413 | if (!td->io_ops) { |
| 414 | log_err("fio: failed to load engine %s\n", engine); |
Jens Axboe | 205927a | 2007-03-15 11:06:32 +0100 | [diff] [blame] | 415 | goto err; |
Jens Axboe | 09629a9 | 2007-03-09 09:00:06 +0100 | [diff] [blame] | 416 | } |
Jens Axboe | df64119 | 2006-10-12 07:55:41 +0200 | [diff] [blame] | 417 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 418 | if (td->o.use_thread) |
Jens Axboe | 9cedf16 | 2007-03-12 11:29:30 +0100 | [diff] [blame] | 419 | nr_thread++; |
| 420 | else |
| 421 | nr_process++; |
| 422 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 423 | if (td->o.odirect) |
Jens Axboe | 690adba | 2006-10-30 15:25:09 +0100 | [diff] [blame] | 424 | td->io_ops->flags |= FIO_RAWIO; |
| 425 | |
Jens Axboe | e132cba | 2007-03-14 14:23:54 +0100 | [diff] [blame] | 426 | file_alloced = 0; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 427 | if (!td->o.filename && !td->files_index) { |
Jens Axboe | e132cba | 2007-03-14 14:23:54 +0100 | [diff] [blame] | 428 | file_alloced = 1; |
Jens Axboe | 80be24f | 2007-03-12 11:01:25 +0100 | [diff] [blame] | 429 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 430 | if (td->o.nr_files == 1 && exists_and_not_file(jobname)) |
Jens Axboe | e132cba | 2007-03-14 14:23:54 +0100 | [diff] [blame] | 431 | add_file(td, jobname); |
Jens Axboe | 7b05a21 | 2007-03-13 11:17:07 +0100 | [diff] [blame] | 432 | else { |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 433 | for (i = 0; i < td->o.nr_files; i++) { |
Jens Axboe | e132cba | 2007-03-14 14:23:54 +0100 | [diff] [blame] | 434 | sprintf(fname, "%s.%d.%d", jobname, td->thread_number, i); |
Jens Axboe | 7b05a21 | 2007-03-13 11:17:07 +0100 | [diff] [blame] | 435 | add_file(td, fname); |
| 436 | } |
Jens Axboe | af52b34 | 2007-03-13 10:07:47 +0100 | [diff] [blame] | 437 | } |
Jens Axboe | 0af7b54 | 2006-02-17 10:10:12 +0100 | [diff] [blame] | 438 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 439 | |
Jens Axboe | 4e991c2 | 2007-03-15 11:41:11 +0100 | [diff] [blame] | 440 | if (fixup_options(td)) |
| 441 | goto err; |
Jens Axboe | e0a2233 | 2006-12-20 12:54:25 +0100 | [diff] [blame] | 442 | |
Jens Axboe | 07eb79d | 2007-04-12 13:02:38 +0200 | [diff] [blame] | 443 | if (td->io_ops->flags & FIO_DISKLESSIO) { |
| 444 | struct fio_file *f; |
| 445 | |
| 446 | for_each_file(td, f, i) |
| 447 | f->real_file_size = -1ULL; |
| 448 | } |
| 449 | |
Jens Axboe | 07739b5 | 2007-03-08 20:25:46 +0100 | [diff] [blame] | 450 | td->mutex = fio_sem_init(0); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 451 | |
Jens Axboe | 756867b | 2007-03-06 15:19:24 +0100 | [diff] [blame] | 452 | td->ts.clat_stat[0].min_val = td->ts.clat_stat[1].min_val = ULONG_MAX; |
| 453 | td->ts.slat_stat[0].min_val = td->ts.slat_stat[1].min_val = ULONG_MAX; |
| 454 | 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] | 455 | td->ddir_nr = td->o.ddir_nr; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 456 | |
Jens Axboe | b3d62a7 | 2007-03-20 14:23:26 +0100 | [diff] [blame] | 457 | if ((td->o.stonewall || td->o.numjobs > 1 || td->o.new_group) |
| 458 | && prev_group_jobs) { |
Jens Axboe | 3c5df6f | 2007-03-12 15:09:24 +0100 | [diff] [blame] | 459 | prev_group_jobs = 0; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 460 | groupid++; |
Jens Axboe | 3c5df6f | 2007-03-12 15:09:24 +0100 | [diff] [blame] | 461 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 462 | |
| 463 | td->groupid = groupid; |
Jens Axboe | 3c5df6f | 2007-03-12 15:09:24 +0100 | [diff] [blame] | 464 | prev_group_jobs++; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 465 | |
Jens Axboe | 9c60ce6 | 2007-03-15 09:14:47 +0100 | [diff] [blame] | 466 | if (init_random_state(td)) |
| 467 | goto err; |
| 468 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 469 | if (setup_rate(td)) |
| 470 | goto err; |
| 471 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 472 | if (td->o.write_lat_log) { |
Jens Axboe | 756867b | 2007-03-06 15:19:24 +0100 | [diff] [blame] | 473 | setup_log(&td->ts.slat_log); |
| 474 | setup_log(&td->ts.clat_log); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 475 | } |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 476 | if (td->o.write_bw_log) |
Jens Axboe | 756867b | 2007-03-06 15:19:24 +0100 | [diff] [blame] | 477 | setup_log(&td->ts.bw_log); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 478 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 479 | if (!td->o.name) |
| 480 | td->o.name = strdup(jobname); |
Jens Axboe | 0145205 | 2006-06-07 10:29:47 +0200 | [diff] [blame] | 481 | |
Jens Axboe | c6ae0a5 | 2006-06-12 11:04:44 +0200 | [diff] [blame] | 482 | if (!terse_output) { |
Jens Axboe | b990b5c | 2006-09-14 09:48:22 +0200 | [diff] [blame] | 483 | if (!job_add_num) { |
Jens Axboe | ba0fbe1 | 2007-03-09 14:34:23 +0100 | [diff] [blame] | 484 | if (!strcmp(td->io_ops->name, "cpuio")) |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 485 | 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] | 486 | else { |
| 487 | char *c1, *c2, *c3, *c4; |
| 488 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 489 | c1 = to_kmg(td->o.min_bs[DDIR_READ]); |
| 490 | c2 = to_kmg(td->o.max_bs[DDIR_READ]); |
| 491 | c3 = to_kmg(td->o.min_bs[DDIR_WRITE]); |
| 492 | c4 = to_kmg(td->o.max_bs[DDIR_WRITE]); |
Jens Axboe | f8977ee | 2006-11-06 14:03:03 +0100 | [diff] [blame] | 493 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 494 | 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] | 495 | |
| 496 | free(c1); |
| 497 | free(c2); |
| 498 | free(c3); |
| 499 | free(c4); |
| 500 | } |
Jens Axboe | b990b5c | 2006-09-14 09:48:22 +0200 | [diff] [blame] | 501 | } else if (job_add_num == 1) |
Jens Axboe | 6d86144 | 2007-03-15 09:22:23 +0100 | [diff] [blame] | 502 | log_info("...\n"); |
Jens Axboe | c6ae0a5 | 2006-06-12 11:04:44 +0200 | [diff] [blame] | 503 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 504 | |
| 505 | /* |
| 506 | * recurse add identical jobs, clear numjobs and stonewall options |
| 507 | * as they don't apply to sub-jobs |
| 508 | */ |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 509 | numjobs = td->o.numjobs; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 510 | while (--numjobs) { |
| 511 | struct thread_data *td_new = get_new_job(0, td); |
| 512 | |
| 513 | if (!td_new) |
| 514 | goto err; |
| 515 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 516 | td_new->o.numjobs = 1; |
| 517 | td_new->o.stonewall = 0; |
Jens Axboe | 92c1d41 | 2007-03-28 10:04:08 +0200 | [diff] [blame] | 518 | td_new->o.new_group = 0; |
Jens Axboe | e132cba | 2007-03-14 14:23:54 +0100 | [diff] [blame] | 519 | |
| 520 | if (file_alloced) { |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 521 | td_new->o.filename = NULL; |
Jens Axboe | e132cba | 2007-03-14 14:23:54 +0100 | [diff] [blame] | 522 | td_new->files_index = 0; |
| 523 | td_new->files = NULL; |
| 524 | } |
| 525 | |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 526 | job_add_num = numjobs - 1; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 527 | |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame] | 528 | if (add_job(td_new, jobname, job_add_num)) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 529 | goto err; |
| 530 | } |
Jens Axboe | 3c5df6f | 2007-03-12 15:09:24 +0100 | [diff] [blame] | 531 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 532 | return 0; |
| 533 | err: |
| 534 | put_job(td); |
| 535 | return -1; |
| 536 | } |
| 537 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 538 | static int is_empty_or_comment(char *line) |
| 539 | { |
| 540 | unsigned int i; |
| 541 | |
| 542 | for (i = 0; i < strlen(line); i++) { |
| 543 | if (line[i] == ';') |
| 544 | return 1; |
Ingo Molnar | 5cc2da3 | 2007-02-20 10:19:44 +0100 | [diff] [blame] | 545 | if (line[i] == '#') |
| 546 | return 1; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 547 | if (!isspace(line[i]) && !iscntrl(line[i])) |
| 548 | return 0; |
| 549 | } |
| 550 | |
| 551 | return 1; |
| 552 | } |
| 553 | |
Jens Axboe | 313cb20 | 2006-12-21 09:50:00 +0100 | [diff] [blame] | 554 | /* |
Jens Axboe | 0726198 | 2006-06-07 10:51:12 +0200 | [diff] [blame] | 555 | * This is our [ini] type file parser. |
| 556 | */ |
Jens Axboe | 1e97cce | 2006-12-05 11:44:16 +0100 | [diff] [blame] | 557 | static int parse_jobs_ini(char *file, int stonewall_flag) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 558 | { |
Jens Axboe | e1f3650 | 2006-10-27 10:54:08 +0200 | [diff] [blame] | 559 | unsigned int global; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 560 | struct thread_data *td; |
Jens Axboe | fee3bb4 | 2006-10-30 13:32:08 +0100 | [diff] [blame] | 561 | char *string, *name; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 562 | fpos_t off; |
| 563 | FILE *f; |
| 564 | char *p; |
Jens Axboe | 0c7e37a | 2006-06-13 14:53:38 +0200 | [diff] [blame] | 565 | int ret = 0, stonewall; |
Jens Axboe | 097b299 | 2007-04-19 09:41:45 +0200 | [diff] [blame] | 566 | int first_sect = 1; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 567 | |
| 568 | f = fopen(file, "r"); |
| 569 | if (!f) { |
Jens Axboe | aea47d4 | 2006-05-26 19:27:29 +0200 | [diff] [blame] | 570 | perror("fopen job file"); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 571 | return 1; |
| 572 | } |
| 573 | |
| 574 | string = malloc(4096); |
Jens Axboe | 7f7e6e5 | 2007-07-19 14:50:05 +0200 | [diff] [blame] | 575 | |
| 576 | /* |
| 577 | * it's really 256 + small bit, 280 should suffice |
| 578 | */ |
| 579 | name = malloc(280); |
| 580 | memset(name, 0, 280); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 581 | |
Jens Axboe | 0c7e37a | 2006-06-13 14:53:38 +0200 | [diff] [blame] | 582 | stonewall = stonewall_flag; |
Jens Axboe | 7c124ac | 2006-10-30 13:36:52 +0100 | [diff] [blame] | 583 | do { |
| 584 | p = fgets(string, 4095, f); |
| 585 | if (!p) |
Jens Axboe | 45410ac | 2006-06-07 11:10:39 +0200 | [diff] [blame] | 586 | break; |
gurudas pai | cdc7f19 | 2007-03-29 10:10:56 +0200 | [diff] [blame] | 587 | |
| 588 | strip_blank_front(&p); |
Jens Axboe | 6c7c7da | 2007-03-29 14:12:57 -0800 | [diff] [blame] | 589 | strip_blank_end(p); |
gurudas pai | cdc7f19 | 2007-03-29 10:10:56 +0200 | [diff] [blame] | 590 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 591 | if (is_empty_or_comment(p)) |
| 592 | continue; |
Jens Axboe | 6c7c7da | 2007-03-29 14:12:57 -0800 | [diff] [blame] | 593 | if (sscanf(p, "[%255s]", name) != 1) { |
Jens Axboe | 088b420 | 2007-07-19 14:53:01 +0200 | [diff] [blame] | 594 | log_err("fio: option <%s> outside of [] job section\n", p); |
| 595 | break; |
Jens Axboe | 6c7c7da | 2007-03-29 14:12:57 -0800 | [diff] [blame] | 596 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 597 | |
| 598 | global = !strncmp(name, "global", 6); |
| 599 | |
| 600 | name[strlen(name) - 1] = '\0'; |
| 601 | |
Jens Axboe | cca73aa | 2007-04-04 11:09:19 +0200 | [diff] [blame] | 602 | if (dump_cmdline) { |
Jens Axboe | 097b299 | 2007-04-19 09:41:45 +0200 | [diff] [blame] | 603 | if (first_sect) |
| 604 | log_info("fio "); |
Jens Axboe | cca73aa | 2007-04-04 11:09:19 +0200 | [diff] [blame] | 605 | if (!global) |
| 606 | log_info("--name=%s ", name); |
Jens Axboe | 097b299 | 2007-04-19 09:41:45 +0200 | [diff] [blame] | 607 | first_sect = 0; |
Jens Axboe | cca73aa | 2007-04-04 11:09:19 +0200 | [diff] [blame] | 608 | } |
| 609 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 610 | td = get_new_job(global, &def_thread); |
Jens Axboe | 45410ac | 2006-06-07 11:10:39 +0200 | [diff] [blame] | 611 | if (!td) { |
| 612 | ret = 1; |
| 613 | break; |
| 614 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 615 | |
Jens Axboe | 972cfd2 | 2006-06-09 11:08:56 +0200 | [diff] [blame] | 616 | /* |
| 617 | * Seperate multiple job files by a stonewall |
| 618 | */ |
Jens Axboe | f948191 | 2006-06-09 11:37:28 +0200 | [diff] [blame] | 619 | if (!global && stonewall) { |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 620 | td->o.stonewall = stonewall; |
Jens Axboe | 972cfd2 | 2006-06-09 11:08:56 +0200 | [diff] [blame] | 621 | stonewall = 0; |
| 622 | } |
| 623 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 624 | fgetpos(f, &off); |
| 625 | while ((p = fgets(string, 4096, f)) != NULL) { |
| 626 | if (is_empty_or_comment(p)) |
| 627 | continue; |
Jens Axboe | e1f3650 | 2006-10-27 10:54:08 +0200 | [diff] [blame] | 628 | |
Jens Axboe | b6754f9 | 2006-05-30 14:29:32 +0200 | [diff] [blame] | 629 | strip_blank_front(&p); |
Jens Axboe | 7c124ac | 2006-10-30 13:36:52 +0100 | [diff] [blame] | 630 | |
| 631 | if (p[0] == '[') |
| 632 | break; |
| 633 | |
Jens Axboe | 4ae3f76 | 2006-05-30 13:35:14 +0200 | [diff] [blame] | 634 | strip_blank_end(p); |
Jens Axboe | aea47d4 | 2006-05-26 19:27:29 +0200 | [diff] [blame] | 635 | |
Jens Axboe | e1f3650 | 2006-10-27 10:54:08 +0200 | [diff] [blame] | 636 | fgetpos(f, &off); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 637 | |
Jens Axboe | 45410ac | 2006-06-07 11:10:39 +0200 | [diff] [blame] | 638 | /* |
| 639 | * Don't break here, continue parsing options so we |
| 640 | * dump all the bad ones. Makes trial/error fixups |
| 641 | * easier on the user. |
| 642 | */ |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 643 | ret |= fio_option_parse(td, p); |
Jens Axboe | cca73aa | 2007-04-04 11:09:19 +0200 | [diff] [blame] | 644 | if (!ret && dump_cmdline) |
| 645 | log_info("--%s ", p); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 646 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 647 | |
Jens Axboe | 45410ac | 2006-06-07 11:10:39 +0200 | [diff] [blame] | 648 | if (!ret) { |
| 649 | fsetpos(f, &off); |
| 650 | ret = add_job(td, name, 0); |
Jens Axboe | b1508cf | 2006-11-02 09:12:40 +0100 | [diff] [blame] | 651 | } else { |
| 652 | log_err("fio: job %s dropped\n", name); |
| 653 | put_job(td); |
Jens Axboe | 45410ac | 2006-06-07 11:10:39 +0200 | [diff] [blame] | 654 | } |
Jens Axboe | 7c124ac | 2006-10-30 13:36:52 +0100 | [diff] [blame] | 655 | } while (!ret); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 656 | |
Jens Axboe | cca73aa | 2007-04-04 11:09:19 +0200 | [diff] [blame] | 657 | if (dump_cmdline) |
| 658 | log_info("\n"); |
| 659 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 660 | free(string); |
| 661 | free(name); |
| 662 | fclose(f); |
Jens Axboe | 45410ac | 2006-06-07 11:10:39 +0200 | [diff] [blame] | 663 | return ret; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 664 | } |
| 665 | |
| 666 | static int fill_def_thread(void) |
| 667 | { |
| 668 | memset(&def_thread, 0, sizeof(def_thread)); |
| 669 | |
Jens Axboe | 375b269 | 2007-05-22 09:13:02 +0200 | [diff] [blame] | 670 | fio_getaffinity(getpid(), &def_thread.o.cpumask); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 671 | |
| 672 | /* |
Jens Axboe | ee73849 | 2007-01-10 11:23:16 +0100 | [diff] [blame] | 673 | * fill default options |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 674 | */ |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 675 | fio_fill_default_options(&def_thread); |
Jens Axboe | ee73849 | 2007-01-10 11:23:16 +0100 | [diff] [blame] | 676 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 677 | def_thread.o.timeout = def_timeout; |
| 678 | def_thread.o.write_bw_log = write_bw_log; |
| 679 | def_thread.o.write_lat_log = write_lat_log; |
Jens Axboe | ee73849 | 2007-01-10 11:23:16 +0100 | [diff] [blame] | 680 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 681 | return 0; |
| 682 | } |
| 683 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 684 | static void free_shm(void) |
| 685 | { |
| 686 | struct shmid_ds sbuf; |
| 687 | |
| 688 | if (threads) { |
Jens Axboe | 2c0ecd2 | 2006-06-08 13:25:41 +0200 | [diff] [blame] | 689 | shmdt((void *) threads); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 690 | threads = NULL; |
| 691 | shmctl(shm_id, IPC_RMID, &sbuf); |
| 692 | } |
| 693 | } |
| 694 | |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 695 | /* |
| 696 | * The thread area is shared between the main process and the job |
| 697 | * threads/processes. So setup a shared memory segment that will hold |
| 698 | * all the job info. |
| 699 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 700 | static int setup_thread_area(void) |
| 701 | { |
| 702 | /* |
| 703 | * 1024 is too much on some machines, scale max_jobs if |
| 704 | * we get a failure that looks like too large a shm segment |
| 705 | */ |
| 706 | do { |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 707 | size_t size = max_jobs * sizeof(struct thread_data); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 708 | |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 709 | shm_id = shmget(0, size, IPC_CREAT | 0600); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 710 | if (shm_id != -1) |
| 711 | break; |
| 712 | if (errno != EINVAL) { |
| 713 | perror("shmget"); |
| 714 | break; |
| 715 | } |
| 716 | |
| 717 | max_jobs >>= 1; |
| 718 | } while (max_jobs); |
| 719 | |
| 720 | if (shm_id == -1) |
| 721 | return 1; |
| 722 | |
| 723 | threads = shmat(shm_id, NULL, 0); |
| 724 | if (threads == (void *) -1) { |
| 725 | perror("shmat"); |
| 726 | return 1; |
| 727 | } |
| 728 | |
| 729 | atexit(free_shm); |
| 730 | return 0; |
| 731 | } |
| 732 | |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 733 | static void usage(void) |
Jens Axboe | b469282 | 2006-10-27 13:43:22 +0200 | [diff] [blame] | 734 | { |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 735 | printf("%s\n", fio_version_string); |
| 736 | printf("\t--output\tWrite output to file\n"); |
| 737 | printf("\t--timeout\tRuntime in seconds\n"); |
| 738 | printf("\t--latency-log\tGenerate per-job latency logs\n"); |
| 739 | printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n"); |
| 740 | printf("\t--minimal\tMinimal (terse) output\n"); |
| 741 | printf("\t--version\tPrint version info and exit\n"); |
| 742 | printf("\t--help\t\tPrint this page\n"); |
| 743 | 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] | 744 | printf("\t--showcmd\tTurn a job file into command line options\n"); |
Jens Axboe | b469282 | 2006-10-27 13:43:22 +0200 | [diff] [blame] | 745 | } |
| 746 | |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 747 | static int parse_cmd_line(int argc, char *argv[]) |
| 748 | { |
| 749 | struct thread_data *td = NULL; |
| 750 | int c, ini_idx = 0, lidx, ret, dont_add_job = 0; |
| 751 | |
| 752 | while ((c = getopt_long_only(argc, argv, "", long_options, &lidx)) != -1) { |
| 753 | switch (c) { |
| 754 | case 't': |
| 755 | def_timeout = atoi(optarg); |
| 756 | break; |
| 757 | case 'l': |
| 758 | write_lat_log = 1; |
| 759 | break; |
| 760 | case 'w': |
| 761 | write_bw_log = 1; |
| 762 | break; |
| 763 | case 'o': |
| 764 | f_out = fopen(optarg, "w+"); |
| 765 | if (!f_out) { |
| 766 | perror("fopen output"); |
| 767 | exit(1); |
| 768 | } |
| 769 | f_err = f_out; |
| 770 | break; |
| 771 | case 'm': |
| 772 | terse_output = 1; |
| 773 | break; |
| 774 | case 'h': |
| 775 | usage(); |
| 776 | exit(0); |
| 777 | case 'c': |
| 778 | exit(fio_show_option_help(optarg)); |
Jens Axboe | cca73aa | 2007-04-04 11:09:19 +0200 | [diff] [blame] | 779 | case 's': |
| 780 | dump_cmdline = 1; |
| 781 | break; |
Jens Axboe | 724e443 | 2007-09-11 20:02:05 +0200 | [diff] [blame^] | 782 | case 'r': |
| 783 | read_only = 1; |
| 784 | break; |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 785 | case 'v': |
| 786 | printf("%s\n", fio_version_string); |
| 787 | exit(0); |
| 788 | case FIO_GETOPT_JOB: { |
| 789 | const char *opt = long_options[lidx].name; |
| 790 | char *val = optarg; |
| 791 | |
| 792 | if (!strncmp(opt, "name", 4) && td) { |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 793 | ret = add_job(td, td->o.name ?: "fio", 0); |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 794 | if (ret) { |
| 795 | put_job(td); |
| 796 | return 0; |
| 797 | } |
| 798 | td = NULL; |
| 799 | } |
| 800 | if (!td) { |
Jens Axboe | 3106f22 | 2007-04-19 09:53:28 +0200 | [diff] [blame] | 801 | int global = 0; |
| 802 | |
| 803 | if (strncmp(opt, "name", 4) || |
| 804 | !strncmp(val, "global", 6)) |
| 805 | global = 1; |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 806 | |
| 807 | td = get_new_job(global, &def_thread); |
| 808 | if (!td) |
| 809 | return 0; |
| 810 | } |
| 811 | |
| 812 | ret = fio_cmd_option_parse(td, opt, val); |
| 813 | if (ret) |
| 814 | dont_add_job = 1; |
| 815 | break; |
| 816 | } |
| 817 | default: |
| 818 | break; |
| 819 | } |
| 820 | } |
| 821 | |
| 822 | if (td) { |
| 823 | if (dont_add_job) |
| 824 | put_job(td); |
| 825 | else { |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 826 | ret = add_job(td, td->o.name ?: "fio", 0); |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 827 | if (ret) |
| 828 | put_job(td); |
| 829 | } |
| 830 | } |
| 831 | |
| 832 | while (optind < argc) { |
| 833 | ini_idx++; |
| 834 | ini_file = realloc(ini_file, ini_idx * sizeof(char *)); |
| 835 | ini_file[ini_idx - 1] = strdup(argv[optind]); |
| 836 | optind++; |
| 837 | } |
| 838 | |
| 839 | return ini_idx; |
| 840 | } |
| 841 | |
| 842 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 843 | int parse_options(int argc, char *argv[]) |
| 844 | { |
Jens Axboe | 972cfd2 | 2006-06-09 11:08:56 +0200 | [diff] [blame] | 845 | int job_files, i; |
| 846 | |
Jens Axboe | b469282 | 2006-10-27 13:43:22 +0200 | [diff] [blame] | 847 | f_out = stdout; |
| 848 | f_err = stderr; |
| 849 | |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 850 | fio_options_dup_and_init(long_options); |
Jens Axboe | b469282 | 2006-10-27 13:43:22 +0200 | [diff] [blame] | 851 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 852 | if (setup_thread_area()) |
| 853 | return 1; |
| 854 | if (fill_def_thread()) |
| 855 | return 1; |
| 856 | |
Jens Axboe | 972cfd2 | 2006-06-09 11:08:56 +0200 | [diff] [blame] | 857 | job_files = parse_cmd_line(argc, argv); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 858 | |
Jens Axboe | 972cfd2 | 2006-06-09 11:08:56 +0200 | [diff] [blame] | 859 | for (i = 0; i < job_files; i++) { |
| 860 | if (fill_def_thread()) |
| 861 | return 1; |
Jens Axboe | 0c7e37a | 2006-06-13 14:53:38 +0200 | [diff] [blame] | 862 | if (parse_jobs_ini(ini_file[i], i)) |
Jens Axboe | 972cfd2 | 2006-06-09 11:08:56 +0200 | [diff] [blame] | 863 | return 1; |
Jens Axboe | 88c6ed8 | 2006-06-09 11:28:10 +0200 | [diff] [blame] | 864 | free(ini_file[i]); |
Jens Axboe | 972cfd2 | 2006-06-09 11:08:56 +0200 | [diff] [blame] | 865 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 866 | |
Jens Axboe | 88c6ed8 | 2006-06-09 11:28:10 +0200 | [diff] [blame] | 867 | free(ini_file); |
Jens Axboe | d23bb32 | 2007-03-23 15:57:56 +0100 | [diff] [blame] | 868 | options_mem_free(&def_thread); |
Jens Axboe | b469282 | 2006-10-27 13:43:22 +0200 | [diff] [blame] | 869 | |
| 870 | if (!thread_number) { |
Jens Axboe | cca73aa | 2007-04-04 11:09:19 +0200 | [diff] [blame] | 871 | if (dump_cmdline) |
| 872 | return 0; |
| 873 | |
Jens Axboe | b469282 | 2006-10-27 13:43:22 +0200 | [diff] [blame] | 874 | log_err("No jobs defined(s)\n"); |
Jens Axboe | b469282 | 2006-10-27 13:43:22 +0200 | [diff] [blame] | 875 | return 1; |
| 876 | } |
| 877 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 878 | return 0; |
| 879 | } |