Commit | Line | Data |
---|---|---|
906c8d75 | 1 | /* |
cb2c86fd | 2 | * This file contains job initialization and setup functions. |
906c8d75 | 3 | */ |
ebac4655 JA |
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> | |
b4692828 | 11 | #include <getopt.h> |
ebac4655 JA |
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" | |
cb2c86fd | 18 | #include "parse.h" |
2e5cdb11 | 19 | #include "smalloc.h" |
380065aa | 20 | #include "filehash.h" |
ebac4655 | 21 | |
98eeabf3 | 22 | static char fio_version_string[] = "fio 1.20"; |
214e1eca | 23 | |
ee738499 | 24 | #define FIO_RANDSEED (0xb1899bedUL) |
ebac4655 | 25 | |
214e1eca JA |
26 | static char **ini_file; |
27 | static int max_jobs = MAX_JOBS; | |
cca73aa7 | 28 | static int dump_cmdline; |
e1f36503 | 29 | |
214e1eca JA |
30 | struct thread_data def_thread; |
31 | struct thread_data *threads = NULL; | |
e1f36503 | 32 | |
214e1eca JA |
33 | int exitall_on_terminate = 0; |
34 | int terse_output = 0; | |
e592a06b | 35 | int eta_print; |
214e1eca JA |
36 | unsigned long long mlock_size = 0; |
37 | FILE *f_out = NULL; | |
38 | FILE *f_err = NULL; | |
01f06b63 | 39 | char *job_section = NULL; |
ee738499 | 40 | |
214e1eca | 41 | int write_bw_log = 0; |
4241ea8f | 42 | int read_only = 0; |
214e1eca | 43 | |
5ec10eaa JA |
44 | static int def_timeout; |
45 | static int write_lat_log; | |
e1f36503 | 46 | |
214e1eca | 47 | static int prev_group_jobs; |
b4692828 | 48 | |
ee56ad50 JA |
49 | unsigned long fio_debug = 0; |
50 | ||
b4692828 JA |
51 | /* |
52 | * Command line options. These will contain the above, plus a few | |
53 | * extra that only pertain to fio itself and not jobs. | |
54 | */ | |
5ec10eaa | 55 | static struct option l_opts[FIO_NR_OPTIONS] = { |
b4692828 JA |
56 | { |
57 | .name = "output", | |
58 | .has_arg = required_argument, | |
59 | .val = 'o', | |
60 | }, | |
61 | { | |
62 | .name = "timeout", | |
63 | .has_arg = required_argument, | |
64 | .val = 't', | |
65 | }, | |
66 | { | |
67 | .name = "latency-log", | |
68 | .has_arg = required_argument, | |
69 | .val = 'l', | |
70 | }, | |
71 | { | |
72 | .name = "bandwidth-log", | |
73 | .has_arg = required_argument, | |
74 | .val = 'b', | |
75 | }, | |
76 | { | |
77 | .name = "minimal", | |
78 | .has_arg = optional_argument, | |
79 | .val = 'm', | |
80 | }, | |
81 | { | |
82 | .name = "version", | |
83 | .has_arg = no_argument, | |
84 | .val = 'v', | |
85 | }, | |
fd28ca49 JA |
86 | { |
87 | .name = "help", | |
88 | .has_arg = no_argument, | |
89 | .val = 'h', | |
90 | }, | |
91 | { | |
92 | .name = "cmdhelp", | |
320beefe | 93 | .has_arg = optional_argument, |
fd28ca49 JA |
94 | .val = 'c', |
95 | }, | |
cca73aa7 JA |
96 | { |
97 | .name = "showcmd", | |
98 | .has_arg = no_argument, | |
724e4435 JA |
99 | .val = 's', |
100 | }, | |
101 | { | |
102 | .name = "readonly", | |
103 | .has_arg = no_argument, | |
104 | .val = 'r', | |
cca73aa7 | 105 | }, |
e592a06b AC |
106 | { |
107 | .name = "eta", | |
108 | .has_arg = required_argument, | |
109 | .val = 'e', | |
110 | }, | |
ee56ad50 JA |
111 | { |
112 | .name = "debug", | |
113 | .has_arg = required_argument, | |
114 | .val = 'd', | |
115 | }, | |
01f06b63 JA |
116 | { |
117 | .name = "section", | |
118 | .has_arg = required_argument, | |
119 | .val = 'x', | |
120 | }, | |
2b386d25 JA |
121 | { |
122 | .name = "alloc-size", | |
123 | .has_arg = required_argument, | |
124 | .val = 'a', | |
125 | }, | |
b4692828 JA |
126 | { |
127 | .name = NULL, | |
128 | }, | |
129 | }; | |
130 | ||
9728ce37 JB |
131 | FILE *get_f_out() |
132 | { | |
133 | return f_out; | |
134 | } | |
135 | ||
136 | FILE *get_f_err() | |
137 | { | |
138 | return f_err; | |
139 | } | |
140 | ||
906c8d75 JA |
141 | /* |
142 | * Return a free job structure. | |
143 | */ | |
ebac4655 JA |
144 | static struct thread_data *get_new_job(int global, struct thread_data *parent) |
145 | { | |
146 | struct thread_data *td; | |
147 | ||
148 | if (global) | |
149 | return &def_thread; | |
150 | if (thread_number >= max_jobs) | |
151 | return NULL; | |
152 | ||
153 | td = &threads[thread_number++]; | |
ddaeaa5a | 154 | *td = *parent; |
ebac4655 | 155 | |
cade3ef4 | 156 | dup_files(td, parent); |
d23bb327 | 157 | options_mem_dupe(td); |
cade3ef4 | 158 | |
ebac4655 | 159 | td->thread_number = thread_number; |
ebac4655 JA |
160 | return td; |
161 | } | |
162 | ||
163 | static void put_job(struct thread_data *td) | |
164 | { | |
549577a7 JA |
165 | if (td == &def_thread) |
166 | return; | |
167 | ||
16edf25d | 168 | if (td->error) |
6d86144d | 169 | log_info("fio: %s\n", td->verror); |
16edf25d | 170 | |
ebac4655 JA |
171 | memset(&threads[td->thread_number - 1], 0, sizeof(*td)); |
172 | thread_number--; | |
173 | } | |
174 | ||
127f6865 JA |
175 | static int setup_rate(struct thread_data *td) |
176 | { | |
177 | unsigned long nr_reads_per_msec; | |
178 | unsigned long long rate; | |
179 | unsigned int bs; | |
180 | ||
2dc1bbeb | 181 | if (!td->o.rate && !td->o.rate_iops) |
127f6865 JA |
182 | return 0; |
183 | ||
184 | if (td_rw(td)) | |
2dc1bbeb | 185 | bs = td->o.rw_min_bs; |
127f6865 | 186 | else if (td_read(td)) |
2dc1bbeb | 187 | bs = td->o.min_bs[DDIR_READ]; |
127f6865 | 188 | else |
2dc1bbeb | 189 | bs = td->o.min_bs[DDIR_WRITE]; |
127f6865 | 190 | |
2dc1bbeb JA |
191 | if (td->o.rate) { |
192 | rate = td->o.rate; | |
127f6865 JA |
193 | nr_reads_per_msec = (rate * 1024 * 1000LL) / bs; |
194 | } else | |
2dc1bbeb | 195 | nr_reads_per_msec = td->o.rate_iops * 1000UL; |
127f6865 JA |
196 | |
197 | if (!nr_reads_per_msec) { | |
198 | log_err("rate lower than supported\n"); | |
199 | return -1; | |
200 | } | |
201 | ||
202 | td->rate_usec_cycle = 1000000000ULL / nr_reads_per_msec; | |
203 | td->rate_pending_usleep = 0; | |
204 | return 0; | |
205 | } | |
206 | ||
dad915e3 JA |
207 | /* |
208 | * Lazy way of fixing up options that depend on each other. We could also | |
209 | * define option callback handlers, but this is easier. | |
210 | */ | |
4e991c23 | 211 | static int fixup_options(struct thread_data *td) |
e1f36503 | 212 | { |
2dc1bbeb | 213 | struct thread_options *o = &td->o; |
dad915e3 | 214 | |
724e4435 | 215 | if (read_only && td_write(td)) { |
5ec10eaa JA |
216 | log_err("fio: job <%s> has write bit set, but fio is in" |
217 | " read-only mode\n", td->o.name); | |
724e4435 JA |
218 | return 1; |
219 | } | |
5ec10eaa | 220 | |
e47f799f JA |
221 | if (o->rwmix[DDIR_READ] + o->rwmix[DDIR_WRITE] > 100) |
222 | o->rwmix[DDIR_WRITE] = 100 - o->rwmix[DDIR_READ]; | |
2dc1bbeb JA |
223 | |
224 | if (o->write_iolog_file && o->read_iolog_file) { | |
076efc7c | 225 | log_err("fio: read iolog overrides write_iolog\n"); |
2dc1bbeb JA |
226 | free(o->write_iolog_file); |
227 | o->write_iolog_file = NULL; | |
076efc7c | 228 | } |
16b462ae | 229 | |
16b462ae JA |
230 | /* |
231 | * only really works for sequential io for now, and with 1 file | |
232 | */ | |
2dc1bbeb JA |
233 | if (o->zone_size && td_random(td) && o->open_files == 1) |
234 | o->zone_size = 0; | |
16b462ae JA |
235 | |
236 | /* | |
237 | * Reads can do overwrites, we always need to pre-create the file | |
238 | */ | |
239 | if (td_read(td) || td_rw(td)) | |
2dc1bbeb | 240 | o->overwrite = 1; |
16b462ae | 241 | |
2dc1bbeb | 242 | if (!o->min_bs[DDIR_READ]) |
5ec10eaa | 243 | o->min_bs[DDIR_READ] = o->bs[DDIR_READ]; |
2dc1bbeb JA |
244 | if (!o->max_bs[DDIR_READ]) |
245 | o->max_bs[DDIR_READ] = o->bs[DDIR_READ]; | |
246 | if (!o->min_bs[DDIR_WRITE]) | |
5ec10eaa | 247 | o->min_bs[DDIR_WRITE] = o->bs[DDIR_WRITE]; |
2dc1bbeb JA |
248 | if (!o->max_bs[DDIR_WRITE]) |
249 | o->max_bs[DDIR_WRITE] = o->bs[DDIR_WRITE]; | |
a00735e6 | 250 | |
2dc1bbeb | 251 | o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]); |
a00735e6 | 252 | |
2dc1bbeb JA |
253 | if (!o->file_size_high) |
254 | o->file_size_high = o->file_size_low; | |
9c60ce64 | 255 | |
2dc1bbeb | 256 | if (o->norandommap && o->verify != VERIFY_NONE) { |
bb8895e0 | 257 | log_err("fio: norandommap given, verify disabled\n"); |
2dc1bbeb | 258 | o->verify = VERIFY_NONE; |
bb8895e0 | 259 | } |
2dc1bbeb | 260 | if (o->bs_unaligned && (o->odirect || td->io_ops->flags & FIO_RAWIO)) |
690adba3 | 261 | log_err("fio: bs_unaligned may not work with raw io\n"); |
e0a22335 | 262 | |
48097d5c JA |
263 | /* |
264 | * thinktime_spin must be less than thinktime | |
265 | */ | |
2dc1bbeb JA |
266 | if (o->thinktime_spin > o->thinktime) |
267 | o->thinktime_spin = o->thinktime; | |
e916b390 JA |
268 | |
269 | /* | |
270 | * The low water mark cannot be bigger than the iodepth | |
271 | */ | |
2dc1bbeb | 272 | if (o->iodepth_low > o->iodepth || !o->iodepth_low) { |
9467b77c JA |
273 | /* |
274 | * syslet work around - if the workload is sequential, | |
275 | * we want to let the queue drain all the way down to | |
276 | * avoid seeking between async threads | |
277 | */ | |
278 | if (!strcmp(td->io_ops->name, "syslet-rw") && !td_random(td)) | |
2dc1bbeb | 279 | o->iodepth_low = 1; |
9467b77c | 280 | else |
2dc1bbeb | 281 | o->iodepth_low = o->iodepth; |
9467b77c | 282 | } |
cb5ab512 JA |
283 | |
284 | /* | |
285 | * If batch number isn't set, default to the same as iodepth | |
286 | */ | |
2dc1bbeb JA |
287 | if (o->iodepth_batch > o->iodepth || !o->iodepth_batch) |
288 | o->iodepth_batch = o->iodepth; | |
b5af8293 | 289 | |
2dc1bbeb JA |
290 | if (o->nr_files > td->files_index) |
291 | o->nr_files = td->files_index; | |
9f9214f2 | 292 | |
2dc1bbeb JA |
293 | if (o->open_files > o->nr_files || !o->open_files) |
294 | o->open_files = o->nr_files; | |
4e991c23 | 295 | |
2dc1bbeb | 296 | if ((o->rate && o->rate_iops) || (o->ratemin && o->rate_iops_min)) { |
4e991c23 JA |
297 | log_err("fio: rate and rate_iops are mutually exclusive\n"); |
298 | return 1; | |
299 | } | |
2dc1bbeb | 300 | if ((o->rate < o->ratemin) || (o->rate_iops < o->rate_iops_min)) { |
4e991c23 JA |
301 | log_err("fio: minimum rate exceeds rate\n"); |
302 | return 1; | |
303 | } | |
304 | ||
cf4464ca JA |
305 | if (!o->timeout && o->time_based) { |
306 | log_err("fio: time_based requires a runtime/timeout setting\n"); | |
307 | o->time_based = 0; | |
308 | } | |
309 | ||
aa31f1f1 SL |
310 | if (o->fill_device && !o->size) |
311 | o->size = ULONG_LONG_MAX; | |
5ec10eaa | 312 | |
79713149 JA |
313 | if (td_rw(td) && td->o.verify != VERIFY_NONE) |
314 | log_info("fio: mixed read/write workload with verify. May not " | |
315 | "work as expected, unless you pre-populated the file\n"); | |
aa31f1f1 | 316 | |
41ccd845 JA |
317 | if (td->o.verify != VERIFY_NONE) |
318 | td->o.refill_buffers = 1; | |
319 | ||
4e991c23 | 320 | return 0; |
e1f36503 JA |
321 | } |
322 | ||
f8977ee6 JA |
323 | /* |
324 | * This function leaks the buffer | |
325 | */ | |
326 | static char *to_kmg(unsigned int val) | |
327 | { | |
328 | char *buf = malloc(32); | |
f3502ba2 | 329 | char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 }; |
f8977ee6 JA |
330 | char *p = post; |
331 | ||
245142ff | 332 | do { |
f8977ee6 JA |
333 | if (val & 1023) |
334 | break; | |
335 | ||
336 | val >>= 10; | |
337 | p++; | |
245142ff | 338 | } while (*p); |
f8977ee6 JA |
339 | |
340 | snprintf(buf, 31, "%u%c", val, *p); | |
341 | return buf; | |
342 | } | |
343 | ||
09629a90 JA |
344 | /* External engines are specified by "external:name.o") */ |
345 | static const char *get_engine_name(const char *str) | |
346 | { | |
347 | char *p = strstr(str, ":"); | |
348 | ||
349 | if (!p) | |
350 | return str; | |
351 | ||
352 | p++; | |
353 | strip_blank_front(&p); | |
354 | strip_blank_end(p); | |
355 | return p; | |
356 | } | |
357 | ||
e132cbae JA |
358 | static int exists_and_not_file(const char *filename) |
359 | { | |
360 | struct stat sb; | |
361 | ||
362 | if (lstat(filename, &sb) == -1) | |
363 | return 0; | |
364 | ||
365 | if (S_ISREG(sb.st_mode)) | |
366 | return 0; | |
367 | ||
368 | return 1; | |
369 | } | |
370 | ||
9c60ce64 JA |
371 | /* |
372 | * Initialize the various random states we need (random io, block size ranges, | |
373 | * read/write mix, etc). | |
374 | */ | |
375 | static int init_random_state(struct thread_data *td) | |
376 | { | |
377 | unsigned long seeds[6]; | |
68727076 | 378 | int fd; |
9c60ce64 JA |
379 | |
380 | fd = open("/dev/urandom", O_RDONLY); | |
381 | if (fd == -1) { | |
382 | td_verror(td, errno, "open"); | |
383 | return 1; | |
384 | } | |
385 | ||
386 | if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) { | |
387 | td_verror(td, EIO, "read"); | |
388 | close(fd); | |
389 | return 1; | |
390 | } | |
391 | ||
392 | close(fd); | |
393 | ||
394 | os_random_seed(seeds[0], &td->bsrange_state); | |
395 | os_random_seed(seeds[1], &td->verify_state); | |
396 | os_random_seed(seeds[2], &td->rwmix_state); | |
397 | ||
2dc1bbeb | 398 | if (td->o.file_service_type == FIO_FSERVICE_RANDOM) |
9c60ce64 JA |
399 | os_random_seed(seeds[3], &td->next_file_state); |
400 | ||
401 | os_random_seed(seeds[5], &td->file_size_state); | |
402 | ||
403 | if (!td_random(td)) | |
404 | return 0; | |
405 | ||
2dc1bbeb | 406 | if (td->o.rand_repeatable) |
9c60ce64 JA |
407 | seeds[4] = FIO_RANDSEED * td->thread_number; |
408 | ||
9c60ce64 JA |
409 | os_random_seed(seeds[4], &td->random_state); |
410 | return 0; | |
411 | } | |
412 | ||
906c8d75 JA |
413 | /* |
414 | * Adds a job to the list of things todo. Sanitizes the various options | |
415 | * to make sure we don't have conflicts, and initializes various | |
416 | * members of td. | |
417 | */ | |
75154845 | 418 | static int add_job(struct thread_data *td, const char *jobname, int job_add_num) |
ebac4655 | 419 | { |
413dd459 JA |
420 | const char *ddir_str[] = { NULL, "read", "write", "rw", NULL, |
421 | "randread", "randwrite", "randrw" }; | |
af52b345 | 422 | unsigned int i; |
09629a90 | 423 | const char *engine; |
af52b345 | 424 | char fname[PATH_MAX]; |
e132cbae | 425 | int numjobs, file_alloced; |
ebac4655 | 426 | |
ebac4655 JA |
427 | /* |
428 | * the def_thread is just for options, it's not a real job | |
429 | */ | |
430 | if (td == &def_thread) | |
431 | return 0; | |
432 | ||
cca73aa7 JA |
433 | /* |
434 | * if we are just dumping the output command line, don't add the job | |
435 | */ | |
436 | if (dump_cmdline) { | |
437 | put_job(td); | |
438 | return 0; | |
439 | } | |
440 | ||
2dc1bbeb | 441 | engine = get_engine_name(td->o.ioengine); |
09629a90 JA |
442 | td->io_ops = load_ioengine(td, engine); |
443 | if (!td->io_ops) { | |
444 | log_err("fio: failed to load engine %s\n", engine); | |
205927a3 | 445 | goto err; |
09629a90 | 446 | } |
df64119d | 447 | |
2dc1bbeb | 448 | if (td->o.use_thread) |
9cedf167 JA |
449 | nr_thread++; |
450 | else | |
451 | nr_process++; | |
452 | ||
2dc1bbeb | 453 | if (td->o.odirect) |
690adba3 JA |
454 | td->io_ops->flags |= FIO_RAWIO; |
455 | ||
e132cbae | 456 | file_alloced = 0; |
691c8fb0 | 457 | if (!td->o.filename && !td->files_index && !td->o.read_iolog_file) { |
e132cbae | 458 | file_alloced = 1; |
80be24f4 | 459 | |
2dc1bbeb | 460 | if (td->o.nr_files == 1 && exists_and_not_file(jobname)) |
e132cbae | 461 | add_file(td, jobname); |
7b05a215 | 462 | else { |
2dc1bbeb | 463 | for (i = 0; i < td->o.nr_files; i++) { |
5ec10eaa JA |
464 | sprintf(fname, "%s.%d.%d", jobname, |
465 | td->thread_number, i); | |
7b05a215 JA |
466 | add_file(td, fname); |
467 | } | |
af52b345 | 468 | } |
0af7b542 | 469 | } |
ebac4655 | 470 | |
4e991c23 JA |
471 | if (fixup_options(td)) |
472 | goto err; | |
e0a22335 | 473 | |
07eb79df JA |
474 | if (td->io_ops->flags & FIO_DISKLESSIO) { |
475 | struct fio_file *f; | |
476 | ||
477 | for_each_file(td, f, i) | |
478 | f->real_file_size = -1ULL; | |
479 | } | |
480 | ||
cdd18ad8 | 481 | td->mutex = fio_mutex_init(0); |
ebac4655 | 482 | |
756867bd JA |
483 | td->ts.clat_stat[0].min_val = td->ts.clat_stat[1].min_val = ULONG_MAX; |
484 | td->ts.slat_stat[0].min_val = td->ts.slat_stat[1].min_val = ULONG_MAX; | |
485 | td->ts.bw_stat[0].min_val = td->ts.bw_stat[1].min_val = ULONG_MAX; | |
1e3d53ac | 486 | td->ddir_nr = td->o.ddir_nr; |
ebac4655 | 487 | |
b3d62a75 JA |
488 | if ((td->o.stonewall || td->o.numjobs > 1 || td->o.new_group) |
489 | && prev_group_jobs) { | |
3c5df6fa | 490 | prev_group_jobs = 0; |
ebac4655 | 491 | groupid++; |
3c5df6fa | 492 | } |
ebac4655 JA |
493 | |
494 | td->groupid = groupid; | |
3c5df6fa | 495 | prev_group_jobs++; |
ebac4655 | 496 | |
9c60ce64 JA |
497 | if (init_random_state(td)) |
498 | goto err; | |
499 | ||
ebac4655 JA |
500 | if (setup_rate(td)) |
501 | goto err; | |
502 | ||
2dc1bbeb | 503 | if (td->o.write_lat_log) { |
756867bd JA |
504 | setup_log(&td->ts.slat_log); |
505 | setup_log(&td->ts.clat_log); | |
ebac4655 | 506 | } |
2dc1bbeb | 507 | if (td->o.write_bw_log) |
756867bd | 508 | setup_log(&td->ts.bw_log); |
ebac4655 | 509 | |
2dc1bbeb JA |
510 | if (!td->o.name) |
511 | td->o.name = strdup(jobname); | |
01452055 | 512 | |
c6ae0a5b | 513 | if (!terse_output) { |
b990b5c0 | 514 | if (!job_add_num) { |
5ec10eaa JA |
515 | if (!strcmp(td->io_ops->name, "cpuio")) { |
516 | log_info("%s: ioengine=cpu, cpuload=%u," | |
517 | " cpucycle=%u\n", td->o.name, | |
518 | td->o.cpuload, | |
519 | td->o.cpucycle); | |
520 | } else { | |
f8977ee6 JA |
521 | char *c1, *c2, *c3, *c4; |
522 | ||
2dc1bbeb JA |
523 | c1 = to_kmg(td->o.min_bs[DDIR_READ]); |
524 | c2 = to_kmg(td->o.max_bs[DDIR_READ]); | |
525 | c3 = to_kmg(td->o.min_bs[DDIR_WRITE]); | |
526 | c4 = to_kmg(td->o.max_bs[DDIR_WRITE]); | |
f8977ee6 | 527 | |
5ec10eaa JA |
528 | log_info("%s: (g=%d): rw=%s, bs=%s-%s/%s-%s," |
529 | " ioengine=%s, iodepth=%u\n", | |
530 | td->o.name, td->groupid, | |
531 | ddir_str[td->o.td_ddir], | |
532 | c1, c2, c3, c4, | |
533 | td->io_ops->name, | |
534 | td->o.iodepth); | |
f8977ee6 JA |
535 | |
536 | free(c1); | |
537 | free(c2); | |
538 | free(c3); | |
539 | free(c4); | |
540 | } | |
b990b5c0 | 541 | } else if (job_add_num == 1) |
6d86144d | 542 | log_info("...\n"); |
c6ae0a5b | 543 | } |
ebac4655 JA |
544 | |
545 | /* | |
546 | * recurse add identical jobs, clear numjobs and stonewall options | |
547 | * as they don't apply to sub-jobs | |
548 | */ | |
2dc1bbeb | 549 | numjobs = td->o.numjobs; |
ebac4655 JA |
550 | while (--numjobs) { |
551 | struct thread_data *td_new = get_new_job(0, td); | |
552 | ||
553 | if (!td_new) | |
554 | goto err; | |
555 | ||
2dc1bbeb JA |
556 | td_new->o.numjobs = 1; |
557 | td_new->o.stonewall = 0; | |
92c1d41f | 558 | td_new->o.new_group = 0; |
e132cbae JA |
559 | |
560 | if (file_alloced) { | |
2dc1bbeb | 561 | td_new->o.filename = NULL; |
e132cbae JA |
562 | td_new->files_index = 0; |
563 | td_new->files = NULL; | |
564 | } | |
565 | ||
75154845 | 566 | job_add_num = numjobs - 1; |
ebac4655 | 567 | |
75154845 | 568 | if (add_job(td_new, jobname, job_add_num)) |
ebac4655 JA |
569 | goto err; |
570 | } | |
3c5df6fa | 571 | |
ebac4655 JA |
572 | return 0; |
573 | err: | |
574 | put_job(td); | |
575 | return -1; | |
576 | } | |
577 | ||
01f06b63 JA |
578 | static int skip_this_section(const char *name) |
579 | { | |
580 | if (!job_section) | |
581 | return 0; | |
582 | if (!strncmp(name, "global", 6)) | |
583 | return 0; | |
584 | ||
585 | return strncmp(job_section, name, strlen(job_section)); | |
586 | } | |
587 | ||
ebac4655 JA |
588 | static int is_empty_or_comment(char *line) |
589 | { | |
590 | unsigned int i; | |
591 | ||
592 | for (i = 0; i < strlen(line); i++) { | |
593 | if (line[i] == ';') | |
594 | return 1; | |
5cc2da30 IM |
595 | if (line[i] == '#') |
596 | return 1; | |
ebac4655 JA |
597 | if (!isspace(line[i]) && !iscntrl(line[i])) |
598 | return 0; | |
599 | } | |
600 | ||
601 | return 1; | |
602 | } | |
603 | ||
07261983 JA |
604 | /* |
605 | * This is our [ini] type file parser. | |
606 | */ | |
1e97cce9 | 607 | static int parse_jobs_ini(char *file, int stonewall_flag) |
ebac4655 | 608 | { |
e1f36503 | 609 | unsigned int global; |
ebac4655 | 610 | struct thread_data *td; |
fee3bb48 | 611 | char *string, *name; |
ebac4655 JA |
612 | FILE *f; |
613 | char *p; | |
0c7e37a0 | 614 | int ret = 0, stonewall; |
097b2991 | 615 | int first_sect = 1; |
ccf8f127 | 616 | int skip_fgets = 0; |
01f06b63 | 617 | int inside_skip = 0; |
ebac4655 | 618 | |
5a729cbe AC |
619 | if (!strcmp(file, "-")) |
620 | f = stdin; | |
621 | else | |
622 | f = fopen(file, "r"); | |
623 | ||
ebac4655 | 624 | if (!f) { |
aea47d44 | 625 | perror("fopen job file"); |
ebac4655 JA |
626 | return 1; |
627 | } | |
628 | ||
629 | string = malloc(4096); | |
7f7e6e59 JA |
630 | |
631 | /* | |
632 | * it's really 256 + small bit, 280 should suffice | |
633 | */ | |
634 | name = malloc(280); | |
635 | memset(name, 0, 280); | |
ebac4655 | 636 | |
0c7e37a0 | 637 | stonewall = stonewall_flag; |
7c124ac1 | 638 | do { |
ccf8f127 JA |
639 | /* |
640 | * if skip_fgets is set, we already have loaded a line we | |
641 | * haven't handled. | |
642 | */ | |
643 | if (!skip_fgets) { | |
644 | p = fgets(string, 4095, f); | |
645 | if (!p) | |
646 | break; | |
647 | } | |
cdc7f193 | 648 | |
ccf8f127 | 649 | skip_fgets = 0; |
cdc7f193 | 650 | strip_blank_front(&p); |
6c7c7da1 | 651 | strip_blank_end(p); |
cdc7f193 | 652 | |
ebac4655 JA |
653 | if (is_empty_or_comment(p)) |
654 | continue; | |
6c7c7da1 | 655 | if (sscanf(p, "[%255s]", name) != 1) { |
01f06b63 JA |
656 | if (inside_skip) |
657 | continue; | |
5ec10eaa JA |
658 | log_err("fio: option <%s> outside of [] job section\n", |
659 | p); | |
088b4207 | 660 | break; |
6c7c7da1 | 661 | } |
ebac4655 | 662 | |
01f06b63 JA |
663 | if (skip_this_section(name)) { |
664 | inside_skip = 1; | |
665 | continue; | |
666 | } else | |
667 | inside_skip = 0; | |
668 | ||
ebac4655 JA |
669 | global = !strncmp(name, "global", 6); |
670 | ||
671 | name[strlen(name) - 1] = '\0'; | |
672 | ||
cca73aa7 | 673 | if (dump_cmdline) { |
097b2991 JA |
674 | if (first_sect) |
675 | log_info("fio "); | |
cca73aa7 JA |
676 | if (!global) |
677 | log_info("--name=%s ", name); | |
097b2991 | 678 | first_sect = 0; |
cca73aa7 JA |
679 | } |
680 | ||
ebac4655 | 681 | td = get_new_job(global, &def_thread); |
45410acb JA |
682 | if (!td) { |
683 | ret = 1; | |
684 | break; | |
685 | } | |
ebac4655 | 686 | |
972cfd25 JA |
687 | /* |
688 | * Seperate multiple job files by a stonewall | |
689 | */ | |
f9481919 | 690 | if (!global && stonewall) { |
2dc1bbeb | 691 | td->o.stonewall = stonewall; |
972cfd25 JA |
692 | stonewall = 0; |
693 | } | |
694 | ||
ebac4655 JA |
695 | while ((p = fgets(string, 4096, f)) != NULL) { |
696 | if (is_empty_or_comment(p)) | |
697 | continue; | |
e1f36503 | 698 | |
b6754f9d | 699 | strip_blank_front(&p); |
7c124ac1 | 700 | |
ccf8f127 JA |
701 | /* |
702 | * new section, break out and make sure we don't | |
703 | * fgets() a new line at the top. | |
704 | */ | |
705 | if (p[0] == '[') { | |
706 | skip_fgets = 1; | |
7c124ac1 | 707 | break; |
ccf8f127 | 708 | } |
7c124ac1 | 709 | |
4ae3f763 | 710 | strip_blank_end(p); |
aea47d44 | 711 | |
45410acb JA |
712 | /* |
713 | * Don't break here, continue parsing options so we | |
714 | * dump all the bad ones. Makes trial/error fixups | |
715 | * easier on the user. | |
716 | */ | |
214e1eca | 717 | ret |= fio_option_parse(td, p); |
cca73aa7 JA |
718 | if (!ret && dump_cmdline) |
719 | log_info("--%s ", p); | |
ebac4655 | 720 | } |
ebac4655 | 721 | |
ccf8f127 | 722 | if (!ret) |
45410acb | 723 | ret = add_job(td, name, 0); |
ccf8f127 | 724 | else { |
b1508cf9 JA |
725 | log_err("fio: job %s dropped\n", name); |
726 | put_job(td); | |
45410acb | 727 | } |
7c124ac1 | 728 | } while (!ret); |
ebac4655 | 729 | |
cca73aa7 JA |
730 | if (dump_cmdline) |
731 | log_info("\n"); | |
732 | ||
ebac4655 JA |
733 | free(string); |
734 | free(name); | |
5a729cbe AC |
735 | if (f != stdin) |
736 | fclose(f); | |
45410acb | 737 | return ret; |
ebac4655 JA |
738 | } |
739 | ||
740 | static int fill_def_thread(void) | |
741 | { | |
742 | memset(&def_thread, 0, sizeof(def_thread)); | |
743 | ||
375b2695 | 744 | fio_getaffinity(getpid(), &def_thread.o.cpumask); |
ebac4655 JA |
745 | |
746 | /* | |
ee738499 | 747 | * fill default options |
ebac4655 | 748 | */ |
214e1eca | 749 | fio_fill_default_options(&def_thread); |
ee738499 | 750 | |
2dc1bbeb JA |
751 | def_thread.o.timeout = def_timeout; |
752 | def_thread.o.write_bw_log = write_bw_log; | |
753 | def_thread.o.write_lat_log = write_lat_log; | |
ee738499 | 754 | |
ebac4655 JA |
755 | return 0; |
756 | } | |
757 | ||
214e1eca JA |
758 | static void free_shm(void) |
759 | { | |
760 | struct shmid_ds sbuf; | |
761 | ||
762 | if (threads) { | |
763 | shmdt((void *) threads); | |
764 | threads = NULL; | |
765 | shmctl(shm_id, IPC_RMID, &sbuf); | |
766 | } | |
2e5cdb11 JA |
767 | |
768 | scleanup(); | |
214e1eca JA |
769 | } |
770 | ||
771 | /* | |
772 | * The thread area is shared between the main process and the job | |
773 | * threads/processes. So setup a shared memory segment that will hold | |
380065aa JA |
774 | * all the job info. We use the end of the region for keeping track of |
775 | * open files across jobs, for file sharing. | |
214e1eca JA |
776 | */ |
777 | static int setup_thread_area(void) | |
778 | { | |
380065aa JA |
779 | void *hash; |
780 | ||
214e1eca JA |
781 | /* |
782 | * 1024 is too much on some machines, scale max_jobs if | |
783 | * we get a failure that looks like too large a shm segment | |
784 | */ | |
785 | do { | |
786 | size_t size = max_jobs * sizeof(struct thread_data); | |
787 | ||
380065aa JA |
788 | size += file_hash_size; |
789 | ||
214e1eca JA |
790 | shm_id = shmget(0, size, IPC_CREAT | 0600); |
791 | if (shm_id != -1) | |
792 | break; | |
793 | if (errno != EINVAL) { | |
794 | perror("shmget"); | |
795 | break; | |
796 | } | |
797 | ||
798 | max_jobs >>= 1; | |
799 | } while (max_jobs); | |
800 | ||
801 | if (shm_id == -1) | |
802 | return 1; | |
803 | ||
804 | threads = shmat(shm_id, NULL, 0); | |
805 | if (threads == (void *) -1) { | |
806 | perror("shmat"); | |
807 | return 1; | |
808 | } | |
809 | ||
1f809d15 | 810 | memset(threads, 0, max_jobs * sizeof(struct thread_data)); |
380065aa JA |
811 | hash = (void *) threads + max_jobs * sizeof(struct thread_data); |
812 | file_hash_init(hash); | |
214e1eca JA |
813 | atexit(free_shm); |
814 | return 0; | |
815 | } | |
816 | ||
45378b35 | 817 | static void usage(const char *name) |
4785f995 JA |
818 | { |
819 | printf("%s\n", fio_version_string); | |
45378b35 | 820 | printf("%s [options] [job options] <job file(s)>\n", name); |
ee56ad50 | 821 | printf("\t--debug=options\tEnable debug logging\n"); |
b4692828 JA |
822 | printf("\t--output\tWrite output to file\n"); |
823 | printf("\t--timeout\tRuntime in seconds\n"); | |
824 | printf("\t--latency-log\tGenerate per-job latency logs\n"); | |
825 | printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n"); | |
826 | printf("\t--minimal\tMinimal (terse) output\n"); | |
827 | printf("\t--version\tPrint version info and exit\n"); | |
fd28ca49 | 828 | printf("\t--help\t\tPrint this page\n"); |
5ec10eaa JA |
829 | printf("\t--cmdhelp=cmd\tPrint command help, \"all\" for all of" |
830 | " them\n"); | |
cca73aa7 | 831 | printf("\t--showcmd\tTurn a job file into command line options\n"); |
e592a06b AC |
832 | printf("\t--eta=when\tWhen ETA estimate should be printed\n"); |
833 | printf("\t \tMay be \"always\", \"never\" or \"auto\"\n"); | |
5ec10eaa JA |
834 | printf("\t--readonly\tTurn on safety read-only checks, preventing" |
835 | " writes\n"); | |
01f06b63 | 836 | printf("\t--section=name\tOnly run specified section in job file\n"); |
2b386d25 JA |
837 | printf("\t--alloc-size=kb\tSet smalloc pool to this size in kb" |
838 | " (def 1024)\n"); | |
4785f995 JA |
839 | } |
840 | ||
79e48f72 | 841 | #ifdef FIO_INC_DEBUG |
ee56ad50 | 842 | struct debug_level debug_levels[] = { |
bd6f78b2 JA |
843 | { .name = "process", .shift = FD_PROCESS, }, |
844 | { .name = "file", .shift = FD_FILE, }, | |
845 | { .name = "io", .shift = FD_IO, }, | |
846 | { .name = "mem", .shift = FD_MEM, }, | |
847 | { .name = "blktrace", .shift = FD_BLKTRACE }, | |
848 | { .name = "verify", .shift = FD_VERIFY }, | |
84422acd | 849 | { .name = "random", .shift = FD_RANDOM }, |
a3d741fa | 850 | { .name = "parse", .shift = FD_PARSE }, |
cd991b9e | 851 | { .name = "diskutil", .shift = FD_DISKUTIL }, |
ee56ad50 JA |
852 | { }, |
853 | }; | |
854 | ||
c09823ab | 855 | static int set_debug(const char *string) |
ee56ad50 JA |
856 | { |
857 | struct debug_level *dl; | |
858 | char *p = (char *) string; | |
859 | char *opt; | |
860 | int i; | |
861 | ||
862 | if (!strcmp(string, "?") || !strcmp(string, "help")) { | |
863 | int i; | |
864 | ||
865 | log_info("fio: dumping debug options:"); | |
866 | for (i = 0; debug_levels[i].name; i++) { | |
867 | dl = &debug_levels[i]; | |
868 | log_info("%s,", dl->name); | |
869 | } | |
bd6f78b2 | 870 | log_info("all\n"); |
c09823ab | 871 | return 1; |
bd6f78b2 JA |
872 | } else if (!strcmp(string, "all")) { |
873 | fio_debug = ~0UL; | |
c09823ab | 874 | return 0; |
ee56ad50 JA |
875 | } |
876 | ||
877 | while ((opt = strsep(&p, ",")) != NULL) { | |
878 | int found = 0; | |
879 | ||
880 | for (i = 0; debug_levels[i].name; i++) { | |
881 | dl = &debug_levels[i]; | |
882 | if (!strncmp(opt, dl->name, strlen(opt))) { | |
883 | log_info("fio: set debug option %s\n", opt); | |
884 | found = 1; | |
bd6f78b2 | 885 | fio_debug |= (1UL << dl->shift); |
ee56ad50 JA |
886 | break; |
887 | } | |
888 | } | |
889 | ||
890 | if (!found) | |
891 | log_err("fio: debug mask %s not found\n", opt); | |
892 | } | |
c09823ab | 893 | return 0; |
ee56ad50 | 894 | } |
79e48f72 JA |
895 | #else |
896 | static void set_debug(const char *string) | |
897 | { | |
898 | log_err("fio: debug tracing not included in build\n"); | |
c09823ab | 899 | return 1; |
79e48f72 JA |
900 | } |
901 | #endif | |
ee56ad50 | 902 | |
972cfd25 | 903 | static int parse_cmd_line(int argc, char *argv[]) |
ebac4655 | 904 | { |
b4692828 | 905 | struct thread_data *td = NULL; |
c09823ab | 906 | int c, ini_idx = 0, lidx, ret = 0, do_exit = 0, exit_val = 0; |
ebac4655 | 907 | |
5ec10eaa | 908 | while ((c = getopt_long_only(argc, argv, "", l_opts, &lidx)) != -1) { |
ebac4655 | 909 | switch (c) { |
2b386d25 JA |
910 | case 'a': |
911 | smalloc_pool_size = atoi(optarg); | |
912 | break; | |
b4692828 JA |
913 | case 't': |
914 | def_timeout = atoi(optarg); | |
915 | break; | |
916 | case 'l': | |
917 | write_lat_log = 1; | |
918 | break; | |
919 | case 'w': | |
920 | write_bw_log = 1; | |
921 | break; | |
922 | case 'o': | |
923 | f_out = fopen(optarg, "w+"); | |
924 | if (!f_out) { | |
925 | perror("fopen output"); | |
926 | exit(1); | |
927 | } | |
928 | f_err = f_out; | |
929 | break; | |
930 | case 'm': | |
931 | terse_output = 1; | |
932 | break; | |
933 | case 'h': | |
45378b35 | 934 | usage(argv[0]); |
b4692828 | 935 | exit(0); |
fd28ca49 | 936 | case 'c': |
214e1eca | 937 | exit(fio_show_option_help(optarg)); |
cca73aa7 JA |
938 | case 's': |
939 | dump_cmdline = 1; | |
940 | break; | |
724e4435 JA |
941 | case 'r': |
942 | read_only = 1; | |
943 | break; | |
b4692828 JA |
944 | case 'v': |
945 | printf("%s\n", fio_version_string); | |
946 | exit(0); | |
e592a06b AC |
947 | case 'e': |
948 | if (!strcmp("always", optarg)) | |
949 | eta_print = FIO_ETA_ALWAYS; | |
950 | else if (!strcmp("never", optarg)) | |
951 | eta_print = FIO_ETA_NEVER; | |
952 | break; | |
ee56ad50 | 953 | case 'd': |
c09823ab JA |
954 | if (set_debug(optarg)) |
955 | do_exit++; | |
ee56ad50 | 956 | break; |
01f06b63 JA |
957 | case 'x': |
958 | if (!strcmp(optarg, "global")) { | |
5ec10eaa JA |
959 | log_err("fio: can't use global as only " |
960 | "section\n"); | |
c09823ab JA |
961 | do_exit++; |
962 | exit_val = 1; | |
01f06b63 JA |
963 | break; |
964 | } | |
965 | if (job_section) | |
966 | free(job_section); | |
967 | job_section = strdup(optarg); | |
968 | break; | |
b4692828 | 969 | case FIO_GETOPT_JOB: { |
5ec10eaa | 970 | const char *opt = l_opts[lidx].name; |
b4692828 JA |
971 | char *val = optarg; |
972 | ||
c2b1e753 | 973 | if (!strncmp(opt, "name", 4) && td) { |
2dc1bbeb | 974 | ret = add_job(td, td->o.name ?: "fio", 0); |
c2b1e753 JA |
975 | if (ret) { |
976 | put_job(td); | |
977 | return 0; | |
978 | } | |
979 | td = NULL; | |
980 | } | |
b4692828 | 981 | if (!td) { |
01f06b63 | 982 | int is_section = !strncmp(opt, "name", 4); |
3106f220 JA |
983 | int global = 0; |
984 | ||
01f06b63 | 985 | if (!is_section || !strncmp(val, "global", 6)) |
3106f220 | 986 | global = 1; |
c2b1e753 | 987 | |
01f06b63 JA |
988 | if (is_section && skip_this_section(val)) |
989 | continue; | |
990 | ||
c2b1e753 | 991 | td = get_new_job(global, &def_thread); |
b4692828 JA |
992 | if (!td) |
993 | return 0; | |
994 | } | |
38d0adb0 | 995 | |
214e1eca | 996 | ret = fio_cmd_option_parse(td, opt, val); |
b4692828 JA |
997 | break; |
998 | } | |
999 | default: | |
c09823ab JA |
1000 | do_exit++; |
1001 | exit_val = 1; | |
b4692828 | 1002 | break; |
ebac4655 JA |
1003 | } |
1004 | } | |
c9fad893 | 1005 | |
c09823ab JA |
1006 | if (do_exit) |
1007 | exit(exit_val); | |
536582bf | 1008 | |
b4692828 | 1009 | if (td) { |
7d6a8904 | 1010 | if (!ret) |
2dc1bbeb | 1011 | ret = add_job(td, td->o.name ?: "fio", 0); |
7d6a8904 JA |
1012 | if (ret) |
1013 | put_job(td); | |
972cfd25 | 1014 | } |
774a6177 | 1015 | |
b4692828 JA |
1016 | while (optind < argc) { |
1017 | ini_idx++; | |
1018 | ini_file = realloc(ini_file, ini_idx * sizeof(char *)); | |
1019 | ini_file[ini_idx - 1] = strdup(argv[optind]); | |
1020 | optind++; | |
eb8bbf48 | 1021 | } |
972cfd25 JA |
1022 | |
1023 | return ini_idx; | |
ebac4655 JA |
1024 | } |
1025 | ||
ebac4655 JA |
1026 | int parse_options(int argc, char *argv[]) |
1027 | { | |
972cfd25 JA |
1028 | int job_files, i; |
1029 | ||
b4692828 JA |
1030 | f_out = stdout; |
1031 | f_err = stderr; | |
1032 | ||
5ec10eaa | 1033 | fio_options_dup_and_init(l_opts); |
b4692828 | 1034 | |
ebac4655 JA |
1035 | if (setup_thread_area()) |
1036 | return 1; | |
1037 | if (fill_def_thread()) | |
1038 | return 1; | |
1039 | ||
972cfd25 | 1040 | job_files = parse_cmd_line(argc, argv); |
ebac4655 | 1041 | |
972cfd25 JA |
1042 | for (i = 0; i < job_files; i++) { |
1043 | if (fill_def_thread()) | |
1044 | return 1; | |
0c7e37a0 | 1045 | if (parse_jobs_ini(ini_file[i], i)) |
972cfd25 | 1046 | return 1; |
88c6ed80 | 1047 | free(ini_file[i]); |
972cfd25 | 1048 | } |
ebac4655 | 1049 | |
88c6ed80 | 1050 | free(ini_file); |
d23bb327 | 1051 | options_mem_free(&def_thread); |
b4692828 JA |
1052 | |
1053 | if (!thread_number) { | |
cca73aa7 JA |
1054 | if (dump_cmdline) |
1055 | return 0; | |
1056 | ||
b4692828 | 1057 | log_err("No jobs defined(s)\n"); |
45378b35 | 1058 | usage(argv[0]); |
b4692828 JA |
1059 | return 1; |
1060 | } | |
1061 | ||
ebac4655 JA |
1062 | return 0; |
1063 | } |