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 | 49 | unsigned long fio_debug = 0; |
5e1d306e JA |
50 | unsigned int fio_debug_jobno = -1; |
51 | unsigned int *fio_debug_jobp = NULL; | |
ee56ad50 | 52 | |
b4692828 JA |
53 | /* |
54 | * Command line options. These will contain the above, plus a few | |
55 | * extra that only pertain to fio itself and not jobs. | |
56 | */ | |
5ec10eaa | 57 | static struct option l_opts[FIO_NR_OPTIONS] = { |
b4692828 JA |
58 | { |
59 | .name = "output", | |
60 | .has_arg = required_argument, | |
61 | .val = 'o', | |
62 | }, | |
63 | { | |
64 | .name = "timeout", | |
65 | .has_arg = required_argument, | |
66 | .val = 't', | |
67 | }, | |
68 | { | |
69 | .name = "latency-log", | |
70 | .has_arg = required_argument, | |
71 | .val = 'l', | |
72 | }, | |
73 | { | |
74 | .name = "bandwidth-log", | |
75 | .has_arg = required_argument, | |
76 | .val = 'b', | |
77 | }, | |
78 | { | |
79 | .name = "minimal", | |
80 | .has_arg = optional_argument, | |
81 | .val = 'm', | |
82 | }, | |
83 | { | |
84 | .name = "version", | |
85 | .has_arg = no_argument, | |
86 | .val = 'v', | |
87 | }, | |
fd28ca49 JA |
88 | { |
89 | .name = "help", | |
90 | .has_arg = no_argument, | |
91 | .val = 'h', | |
92 | }, | |
93 | { | |
94 | .name = "cmdhelp", | |
320beefe | 95 | .has_arg = optional_argument, |
fd28ca49 JA |
96 | .val = 'c', |
97 | }, | |
cca73aa7 JA |
98 | { |
99 | .name = "showcmd", | |
100 | .has_arg = no_argument, | |
724e4435 JA |
101 | .val = 's', |
102 | }, | |
103 | { | |
104 | .name = "readonly", | |
105 | .has_arg = no_argument, | |
106 | .val = 'r', | |
cca73aa7 | 107 | }, |
e592a06b AC |
108 | { |
109 | .name = "eta", | |
110 | .has_arg = required_argument, | |
111 | .val = 'e', | |
112 | }, | |
ee56ad50 JA |
113 | { |
114 | .name = "debug", | |
115 | .has_arg = required_argument, | |
116 | .val = 'd', | |
117 | }, | |
01f06b63 JA |
118 | { |
119 | .name = "section", | |
120 | .has_arg = required_argument, | |
121 | .val = 'x', | |
122 | }, | |
2b386d25 JA |
123 | { |
124 | .name = "alloc-size", | |
125 | .has_arg = required_argument, | |
126 | .val = 'a', | |
127 | }, | |
b4692828 JA |
128 | { |
129 | .name = NULL, | |
130 | }, | |
131 | }; | |
132 | ||
9728ce37 JB |
133 | FILE *get_f_out() |
134 | { | |
135 | return f_out; | |
136 | } | |
137 | ||
138 | FILE *get_f_err() | |
139 | { | |
140 | return f_err; | |
141 | } | |
142 | ||
906c8d75 JA |
143 | /* |
144 | * Return a free job structure. | |
145 | */ | |
ebac4655 JA |
146 | static struct thread_data *get_new_job(int global, struct thread_data *parent) |
147 | { | |
148 | struct thread_data *td; | |
149 | ||
150 | if (global) | |
151 | return &def_thread; | |
152 | if (thread_number >= max_jobs) | |
153 | return NULL; | |
154 | ||
155 | td = &threads[thread_number++]; | |
ddaeaa5a | 156 | *td = *parent; |
ebac4655 | 157 | |
cade3ef4 | 158 | dup_files(td, parent); |
d23bb327 | 159 | options_mem_dupe(td); |
cade3ef4 | 160 | |
ebac4655 | 161 | td->thread_number = thread_number; |
ebac4655 JA |
162 | return td; |
163 | } | |
164 | ||
165 | static void put_job(struct thread_data *td) | |
166 | { | |
549577a7 JA |
167 | if (td == &def_thread) |
168 | return; | |
169 | ||
16edf25d | 170 | if (td->error) |
6d86144d | 171 | log_info("fio: %s\n", td->verror); |
16edf25d | 172 | |
ebac4655 JA |
173 | memset(&threads[td->thread_number - 1], 0, sizeof(*td)); |
174 | thread_number--; | |
175 | } | |
176 | ||
127f6865 JA |
177 | static int setup_rate(struct thread_data *td) |
178 | { | |
179 | unsigned long nr_reads_per_msec; | |
180 | unsigned long long rate; | |
181 | unsigned int bs; | |
182 | ||
2dc1bbeb | 183 | if (!td->o.rate && !td->o.rate_iops) |
127f6865 JA |
184 | return 0; |
185 | ||
186 | if (td_rw(td)) | |
2dc1bbeb | 187 | bs = td->o.rw_min_bs; |
127f6865 | 188 | else if (td_read(td)) |
2dc1bbeb | 189 | bs = td->o.min_bs[DDIR_READ]; |
127f6865 | 190 | else |
2dc1bbeb | 191 | bs = td->o.min_bs[DDIR_WRITE]; |
127f6865 | 192 | |
2dc1bbeb JA |
193 | if (td->o.rate) { |
194 | rate = td->o.rate; | |
127f6865 JA |
195 | nr_reads_per_msec = (rate * 1024 * 1000LL) / bs; |
196 | } else | |
2dc1bbeb | 197 | nr_reads_per_msec = td->o.rate_iops * 1000UL; |
127f6865 JA |
198 | |
199 | if (!nr_reads_per_msec) { | |
200 | log_err("rate lower than supported\n"); | |
201 | return -1; | |
202 | } | |
203 | ||
204 | td->rate_usec_cycle = 1000000000ULL / nr_reads_per_msec; | |
205 | td->rate_pending_usleep = 0; | |
206 | return 0; | |
207 | } | |
208 | ||
dad915e3 JA |
209 | /* |
210 | * Lazy way of fixing up options that depend on each other. We could also | |
211 | * define option callback handlers, but this is easier. | |
212 | */ | |
4e991c23 | 213 | static int fixup_options(struct thread_data *td) |
e1f36503 | 214 | { |
2dc1bbeb | 215 | struct thread_options *o = &td->o; |
dad915e3 | 216 | |
724e4435 | 217 | if (read_only && td_write(td)) { |
5ec10eaa JA |
218 | log_err("fio: job <%s> has write bit set, but fio is in" |
219 | " read-only mode\n", td->o.name); | |
724e4435 JA |
220 | return 1; |
221 | } | |
5ec10eaa | 222 | |
e47f799f JA |
223 | if (o->rwmix[DDIR_READ] + o->rwmix[DDIR_WRITE] > 100) |
224 | o->rwmix[DDIR_WRITE] = 100 - o->rwmix[DDIR_READ]; | |
2dc1bbeb JA |
225 | |
226 | if (o->write_iolog_file && o->read_iolog_file) { | |
076efc7c | 227 | log_err("fio: read iolog overrides write_iolog\n"); |
2dc1bbeb JA |
228 | free(o->write_iolog_file); |
229 | o->write_iolog_file = NULL; | |
076efc7c | 230 | } |
16b462ae | 231 | |
16b462ae JA |
232 | /* |
233 | * only really works for sequential io for now, and with 1 file | |
234 | */ | |
2dc1bbeb JA |
235 | if (o->zone_size && td_random(td) && o->open_files == 1) |
236 | o->zone_size = 0; | |
16b462ae JA |
237 | |
238 | /* | |
239 | * Reads can do overwrites, we always need to pre-create the file | |
240 | */ | |
241 | if (td_read(td) || td_rw(td)) | |
2dc1bbeb | 242 | o->overwrite = 1; |
16b462ae | 243 | |
2dc1bbeb | 244 | if (!o->min_bs[DDIR_READ]) |
5ec10eaa | 245 | o->min_bs[DDIR_READ] = o->bs[DDIR_READ]; |
2dc1bbeb JA |
246 | if (!o->max_bs[DDIR_READ]) |
247 | o->max_bs[DDIR_READ] = o->bs[DDIR_READ]; | |
248 | if (!o->min_bs[DDIR_WRITE]) | |
5ec10eaa | 249 | o->min_bs[DDIR_WRITE] = o->bs[DDIR_WRITE]; |
2dc1bbeb JA |
250 | if (!o->max_bs[DDIR_WRITE]) |
251 | o->max_bs[DDIR_WRITE] = o->bs[DDIR_WRITE]; | |
a00735e6 | 252 | |
2dc1bbeb | 253 | o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]); |
a00735e6 | 254 | |
2dc1bbeb JA |
255 | if (!o->file_size_high) |
256 | o->file_size_high = o->file_size_low; | |
9c60ce64 | 257 | |
2dc1bbeb | 258 | if (o->norandommap && o->verify != VERIFY_NONE) { |
bb8895e0 | 259 | log_err("fio: norandommap given, verify disabled\n"); |
2dc1bbeb | 260 | o->verify = VERIFY_NONE; |
bb8895e0 | 261 | } |
2dc1bbeb | 262 | if (o->bs_unaligned && (o->odirect || td->io_ops->flags & FIO_RAWIO)) |
690adba3 | 263 | log_err("fio: bs_unaligned may not work with raw io\n"); |
e0a22335 | 264 | |
48097d5c JA |
265 | /* |
266 | * thinktime_spin must be less than thinktime | |
267 | */ | |
2dc1bbeb JA |
268 | if (o->thinktime_spin > o->thinktime) |
269 | o->thinktime_spin = o->thinktime; | |
e916b390 JA |
270 | |
271 | /* | |
272 | * The low water mark cannot be bigger than the iodepth | |
273 | */ | |
2dc1bbeb | 274 | if (o->iodepth_low > o->iodepth || !o->iodepth_low) { |
9467b77c JA |
275 | /* |
276 | * syslet work around - if the workload is sequential, | |
277 | * we want to let the queue drain all the way down to | |
278 | * avoid seeking between async threads | |
279 | */ | |
280 | if (!strcmp(td->io_ops->name, "syslet-rw") && !td_random(td)) | |
2dc1bbeb | 281 | o->iodepth_low = 1; |
9467b77c | 282 | else |
2dc1bbeb | 283 | o->iodepth_low = o->iodepth; |
9467b77c | 284 | } |
cb5ab512 JA |
285 | |
286 | /* | |
287 | * If batch number isn't set, default to the same as iodepth | |
288 | */ | |
2dc1bbeb JA |
289 | if (o->iodepth_batch > o->iodepth || !o->iodepth_batch) |
290 | o->iodepth_batch = o->iodepth; | |
b5af8293 | 291 | |
2dc1bbeb JA |
292 | if (o->nr_files > td->files_index) |
293 | o->nr_files = td->files_index; | |
9f9214f2 | 294 | |
2dc1bbeb JA |
295 | if (o->open_files > o->nr_files || !o->open_files) |
296 | o->open_files = o->nr_files; | |
4e991c23 | 297 | |
2dc1bbeb | 298 | if ((o->rate && o->rate_iops) || (o->ratemin && o->rate_iops_min)) { |
4e991c23 JA |
299 | log_err("fio: rate and rate_iops are mutually exclusive\n"); |
300 | return 1; | |
301 | } | |
2dc1bbeb | 302 | if ((o->rate < o->ratemin) || (o->rate_iops < o->rate_iops_min)) { |
4e991c23 JA |
303 | log_err("fio: minimum rate exceeds rate\n"); |
304 | return 1; | |
305 | } | |
306 | ||
cf4464ca JA |
307 | if (!o->timeout && o->time_based) { |
308 | log_err("fio: time_based requires a runtime/timeout setting\n"); | |
309 | o->time_based = 0; | |
310 | } | |
311 | ||
aa31f1f1 SL |
312 | if (o->fill_device && !o->size) |
313 | o->size = ULONG_LONG_MAX; | |
5ec10eaa | 314 | |
79713149 JA |
315 | if (td_rw(td) && td->o.verify != VERIFY_NONE) |
316 | log_info("fio: mixed read/write workload with verify. May not " | |
317 | "work as expected, unless you pre-populated the file\n"); | |
aa31f1f1 | 318 | |
41ccd845 JA |
319 | if (td->o.verify != VERIFY_NONE) |
320 | td->o.refill_buffers = 1; | |
321 | ||
4e991c23 | 322 | return 0; |
e1f36503 JA |
323 | } |
324 | ||
f8977ee6 JA |
325 | /* |
326 | * This function leaks the buffer | |
327 | */ | |
328 | static char *to_kmg(unsigned int val) | |
329 | { | |
330 | char *buf = malloc(32); | |
f3502ba2 | 331 | char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 }; |
f8977ee6 JA |
332 | char *p = post; |
333 | ||
245142ff | 334 | do { |
f8977ee6 JA |
335 | if (val & 1023) |
336 | break; | |
337 | ||
338 | val >>= 10; | |
339 | p++; | |
245142ff | 340 | } while (*p); |
f8977ee6 JA |
341 | |
342 | snprintf(buf, 31, "%u%c", val, *p); | |
343 | return buf; | |
344 | } | |
345 | ||
09629a90 JA |
346 | /* External engines are specified by "external:name.o") */ |
347 | static const char *get_engine_name(const char *str) | |
348 | { | |
349 | char *p = strstr(str, ":"); | |
350 | ||
351 | if (!p) | |
352 | return str; | |
353 | ||
354 | p++; | |
355 | strip_blank_front(&p); | |
356 | strip_blank_end(p); | |
357 | return p; | |
358 | } | |
359 | ||
e132cbae JA |
360 | static int exists_and_not_file(const char *filename) |
361 | { | |
362 | struct stat sb; | |
363 | ||
364 | if (lstat(filename, &sb) == -1) | |
365 | return 0; | |
366 | ||
367 | if (S_ISREG(sb.st_mode)) | |
368 | return 0; | |
369 | ||
370 | return 1; | |
371 | } | |
372 | ||
9c60ce64 JA |
373 | /* |
374 | * Initialize the various random states we need (random io, block size ranges, | |
375 | * read/write mix, etc). | |
376 | */ | |
377 | static int init_random_state(struct thread_data *td) | |
378 | { | |
379 | unsigned long seeds[6]; | |
68727076 | 380 | int fd; |
9c60ce64 JA |
381 | |
382 | fd = open("/dev/urandom", O_RDONLY); | |
383 | if (fd == -1) { | |
384 | td_verror(td, errno, "open"); | |
385 | return 1; | |
386 | } | |
387 | ||
388 | if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) { | |
389 | td_verror(td, EIO, "read"); | |
390 | close(fd); | |
391 | return 1; | |
392 | } | |
393 | ||
394 | close(fd); | |
395 | ||
396 | os_random_seed(seeds[0], &td->bsrange_state); | |
397 | os_random_seed(seeds[1], &td->verify_state); | |
398 | os_random_seed(seeds[2], &td->rwmix_state); | |
399 | ||
2dc1bbeb | 400 | if (td->o.file_service_type == FIO_FSERVICE_RANDOM) |
9c60ce64 JA |
401 | os_random_seed(seeds[3], &td->next_file_state); |
402 | ||
403 | os_random_seed(seeds[5], &td->file_size_state); | |
404 | ||
405 | if (!td_random(td)) | |
406 | return 0; | |
407 | ||
2dc1bbeb | 408 | if (td->o.rand_repeatable) |
9c60ce64 JA |
409 | seeds[4] = FIO_RANDSEED * td->thread_number; |
410 | ||
9c60ce64 JA |
411 | os_random_seed(seeds[4], &td->random_state); |
412 | return 0; | |
413 | } | |
414 | ||
906c8d75 JA |
415 | /* |
416 | * Adds a job to the list of things todo. Sanitizes the various options | |
417 | * to make sure we don't have conflicts, and initializes various | |
418 | * members of td. | |
419 | */ | |
75154845 | 420 | static int add_job(struct thread_data *td, const char *jobname, int job_add_num) |
ebac4655 | 421 | { |
413dd459 JA |
422 | const char *ddir_str[] = { NULL, "read", "write", "rw", NULL, |
423 | "randread", "randwrite", "randrw" }; | |
af52b345 | 424 | unsigned int i; |
09629a90 | 425 | const char *engine; |
af52b345 | 426 | char fname[PATH_MAX]; |
e132cbae | 427 | int numjobs, file_alloced; |
ebac4655 | 428 | |
ebac4655 JA |
429 | /* |
430 | * the def_thread is just for options, it's not a real job | |
431 | */ | |
432 | if (td == &def_thread) | |
433 | return 0; | |
434 | ||
cca73aa7 JA |
435 | /* |
436 | * if we are just dumping the output command line, don't add the job | |
437 | */ | |
438 | if (dump_cmdline) { | |
439 | put_job(td); | |
440 | return 0; | |
441 | } | |
442 | ||
2dc1bbeb | 443 | engine = get_engine_name(td->o.ioengine); |
09629a90 JA |
444 | td->io_ops = load_ioengine(td, engine); |
445 | if (!td->io_ops) { | |
446 | log_err("fio: failed to load engine %s\n", engine); | |
205927a3 | 447 | goto err; |
09629a90 | 448 | } |
df64119d | 449 | |
2dc1bbeb | 450 | if (td->o.use_thread) |
9cedf167 JA |
451 | nr_thread++; |
452 | else | |
453 | nr_process++; | |
454 | ||
2dc1bbeb | 455 | if (td->o.odirect) |
690adba3 JA |
456 | td->io_ops->flags |= FIO_RAWIO; |
457 | ||
e132cbae | 458 | file_alloced = 0; |
691c8fb0 | 459 | if (!td->o.filename && !td->files_index && !td->o.read_iolog_file) { |
e132cbae | 460 | file_alloced = 1; |
80be24f4 | 461 | |
2dc1bbeb | 462 | if (td->o.nr_files == 1 && exists_and_not_file(jobname)) |
e132cbae | 463 | add_file(td, jobname); |
7b05a215 | 464 | else { |
2dc1bbeb | 465 | for (i = 0; i < td->o.nr_files; i++) { |
5ec10eaa JA |
466 | sprintf(fname, "%s.%d.%d", jobname, |
467 | td->thread_number, i); | |
7b05a215 JA |
468 | add_file(td, fname); |
469 | } | |
af52b345 | 470 | } |
0af7b542 | 471 | } |
ebac4655 | 472 | |
4e991c23 JA |
473 | if (fixup_options(td)) |
474 | goto err; | |
e0a22335 | 475 | |
07eb79df JA |
476 | if (td->io_ops->flags & FIO_DISKLESSIO) { |
477 | struct fio_file *f; | |
478 | ||
479 | for_each_file(td, f, i) | |
480 | f->real_file_size = -1ULL; | |
481 | } | |
482 | ||
cdd18ad8 | 483 | td->mutex = fio_mutex_init(0); |
ebac4655 | 484 | |
756867bd JA |
485 | td->ts.clat_stat[0].min_val = td->ts.clat_stat[1].min_val = ULONG_MAX; |
486 | td->ts.slat_stat[0].min_val = td->ts.slat_stat[1].min_val = ULONG_MAX; | |
487 | td->ts.bw_stat[0].min_val = td->ts.bw_stat[1].min_val = ULONG_MAX; | |
1e3d53ac | 488 | td->ddir_nr = td->o.ddir_nr; |
ebac4655 | 489 | |
b3d62a75 JA |
490 | if ((td->o.stonewall || td->o.numjobs > 1 || td->o.new_group) |
491 | && prev_group_jobs) { | |
3c5df6fa | 492 | prev_group_jobs = 0; |
ebac4655 | 493 | groupid++; |
3c5df6fa | 494 | } |
ebac4655 JA |
495 | |
496 | td->groupid = groupid; | |
3c5df6fa | 497 | prev_group_jobs++; |
ebac4655 | 498 | |
9c60ce64 JA |
499 | if (init_random_state(td)) |
500 | goto err; | |
501 | ||
ebac4655 JA |
502 | if (setup_rate(td)) |
503 | goto err; | |
504 | ||
2dc1bbeb | 505 | if (td->o.write_lat_log) { |
756867bd JA |
506 | setup_log(&td->ts.slat_log); |
507 | setup_log(&td->ts.clat_log); | |
ebac4655 | 508 | } |
2dc1bbeb | 509 | if (td->o.write_bw_log) |
756867bd | 510 | setup_log(&td->ts.bw_log); |
ebac4655 | 511 | |
2dc1bbeb JA |
512 | if (!td->o.name) |
513 | td->o.name = strdup(jobname); | |
01452055 | 514 | |
c6ae0a5b | 515 | if (!terse_output) { |
b990b5c0 | 516 | if (!job_add_num) { |
5ec10eaa JA |
517 | if (!strcmp(td->io_ops->name, "cpuio")) { |
518 | log_info("%s: ioengine=cpu, cpuload=%u," | |
519 | " cpucycle=%u\n", td->o.name, | |
520 | td->o.cpuload, | |
521 | td->o.cpucycle); | |
522 | } else { | |
f8977ee6 JA |
523 | char *c1, *c2, *c3, *c4; |
524 | ||
2dc1bbeb JA |
525 | c1 = to_kmg(td->o.min_bs[DDIR_READ]); |
526 | c2 = to_kmg(td->o.max_bs[DDIR_READ]); | |
527 | c3 = to_kmg(td->o.min_bs[DDIR_WRITE]); | |
528 | c4 = to_kmg(td->o.max_bs[DDIR_WRITE]); | |
f8977ee6 | 529 | |
5ec10eaa JA |
530 | log_info("%s: (g=%d): rw=%s, bs=%s-%s/%s-%s," |
531 | " ioengine=%s, iodepth=%u\n", | |
532 | td->o.name, td->groupid, | |
533 | ddir_str[td->o.td_ddir], | |
534 | c1, c2, c3, c4, | |
535 | td->io_ops->name, | |
536 | td->o.iodepth); | |
f8977ee6 JA |
537 | |
538 | free(c1); | |
539 | free(c2); | |
540 | free(c3); | |
541 | free(c4); | |
542 | } | |
b990b5c0 | 543 | } else if (job_add_num == 1) |
6d86144d | 544 | log_info("...\n"); |
c6ae0a5b | 545 | } |
ebac4655 JA |
546 | |
547 | /* | |
548 | * recurse add identical jobs, clear numjobs and stonewall options | |
549 | * as they don't apply to sub-jobs | |
550 | */ | |
2dc1bbeb | 551 | numjobs = td->o.numjobs; |
ebac4655 JA |
552 | while (--numjobs) { |
553 | struct thread_data *td_new = get_new_job(0, td); | |
554 | ||
555 | if (!td_new) | |
556 | goto err; | |
557 | ||
2dc1bbeb JA |
558 | td_new->o.numjobs = 1; |
559 | td_new->o.stonewall = 0; | |
92c1d41f | 560 | td_new->o.new_group = 0; |
e132cbae JA |
561 | |
562 | if (file_alloced) { | |
2dc1bbeb | 563 | td_new->o.filename = NULL; |
e132cbae JA |
564 | td_new->files_index = 0; |
565 | td_new->files = NULL; | |
566 | } | |
567 | ||
75154845 | 568 | job_add_num = numjobs - 1; |
ebac4655 | 569 | |
75154845 | 570 | if (add_job(td_new, jobname, job_add_num)) |
ebac4655 JA |
571 | goto err; |
572 | } | |
3c5df6fa | 573 | |
ebac4655 JA |
574 | return 0; |
575 | err: | |
576 | put_job(td); | |
577 | return -1; | |
578 | } | |
579 | ||
01f06b63 JA |
580 | static int skip_this_section(const char *name) |
581 | { | |
582 | if (!job_section) | |
583 | return 0; | |
584 | if (!strncmp(name, "global", 6)) | |
585 | return 0; | |
586 | ||
587 | return strncmp(job_section, name, strlen(job_section)); | |
588 | } | |
589 | ||
ebac4655 JA |
590 | static int is_empty_or_comment(char *line) |
591 | { | |
592 | unsigned int i; | |
593 | ||
594 | for (i = 0; i < strlen(line); i++) { | |
595 | if (line[i] == ';') | |
596 | return 1; | |
5cc2da30 IM |
597 | if (line[i] == '#') |
598 | return 1; | |
ebac4655 JA |
599 | if (!isspace(line[i]) && !iscntrl(line[i])) |
600 | return 0; | |
601 | } | |
602 | ||
603 | return 1; | |
604 | } | |
605 | ||
07261983 JA |
606 | /* |
607 | * This is our [ini] type file parser. | |
608 | */ | |
1e97cce9 | 609 | static int parse_jobs_ini(char *file, int stonewall_flag) |
ebac4655 | 610 | { |
e1f36503 | 611 | unsigned int global; |
ebac4655 | 612 | struct thread_data *td; |
fee3bb48 | 613 | char *string, *name; |
ebac4655 JA |
614 | FILE *f; |
615 | char *p; | |
0c7e37a0 | 616 | int ret = 0, stonewall; |
097b2991 | 617 | int first_sect = 1; |
ccf8f127 | 618 | int skip_fgets = 0; |
01f06b63 | 619 | int inside_skip = 0; |
ebac4655 | 620 | |
5a729cbe AC |
621 | if (!strcmp(file, "-")) |
622 | f = stdin; | |
623 | else | |
624 | f = fopen(file, "r"); | |
625 | ||
ebac4655 | 626 | if (!f) { |
aea47d44 | 627 | perror("fopen job file"); |
ebac4655 JA |
628 | return 1; |
629 | } | |
630 | ||
631 | string = malloc(4096); | |
7f7e6e59 JA |
632 | |
633 | /* | |
634 | * it's really 256 + small bit, 280 should suffice | |
635 | */ | |
636 | name = malloc(280); | |
637 | memset(name, 0, 280); | |
ebac4655 | 638 | |
0c7e37a0 | 639 | stonewall = stonewall_flag; |
7c124ac1 | 640 | do { |
ccf8f127 JA |
641 | /* |
642 | * if skip_fgets is set, we already have loaded a line we | |
643 | * haven't handled. | |
644 | */ | |
645 | if (!skip_fgets) { | |
646 | p = fgets(string, 4095, f); | |
647 | if (!p) | |
648 | break; | |
649 | } | |
cdc7f193 | 650 | |
ccf8f127 | 651 | skip_fgets = 0; |
cdc7f193 | 652 | strip_blank_front(&p); |
6c7c7da1 | 653 | strip_blank_end(p); |
cdc7f193 | 654 | |
ebac4655 JA |
655 | if (is_empty_or_comment(p)) |
656 | continue; | |
6c7c7da1 | 657 | if (sscanf(p, "[%255s]", name) != 1) { |
01f06b63 JA |
658 | if (inside_skip) |
659 | continue; | |
5ec10eaa JA |
660 | log_err("fio: option <%s> outside of [] job section\n", |
661 | p); | |
088b4207 | 662 | break; |
6c7c7da1 | 663 | } |
ebac4655 | 664 | |
01f06b63 JA |
665 | if (skip_this_section(name)) { |
666 | inside_skip = 1; | |
667 | continue; | |
668 | } else | |
669 | inside_skip = 0; | |
670 | ||
ebac4655 JA |
671 | global = !strncmp(name, "global", 6); |
672 | ||
673 | name[strlen(name) - 1] = '\0'; | |
674 | ||
cca73aa7 | 675 | if (dump_cmdline) { |
097b2991 JA |
676 | if (first_sect) |
677 | log_info("fio "); | |
cca73aa7 JA |
678 | if (!global) |
679 | log_info("--name=%s ", name); | |
097b2991 | 680 | first_sect = 0; |
cca73aa7 JA |
681 | } |
682 | ||
ebac4655 | 683 | td = get_new_job(global, &def_thread); |
45410acb JA |
684 | if (!td) { |
685 | ret = 1; | |
686 | break; | |
687 | } | |
ebac4655 | 688 | |
972cfd25 JA |
689 | /* |
690 | * Seperate multiple job files by a stonewall | |
691 | */ | |
f9481919 | 692 | if (!global && stonewall) { |
2dc1bbeb | 693 | td->o.stonewall = stonewall; |
972cfd25 JA |
694 | stonewall = 0; |
695 | } | |
696 | ||
ebac4655 JA |
697 | while ((p = fgets(string, 4096, f)) != NULL) { |
698 | if (is_empty_or_comment(p)) | |
699 | continue; | |
e1f36503 | 700 | |
b6754f9d | 701 | strip_blank_front(&p); |
7c124ac1 | 702 | |
ccf8f127 JA |
703 | /* |
704 | * new section, break out and make sure we don't | |
705 | * fgets() a new line at the top. | |
706 | */ | |
707 | if (p[0] == '[') { | |
708 | skip_fgets = 1; | |
7c124ac1 | 709 | break; |
ccf8f127 | 710 | } |
7c124ac1 | 711 | |
4ae3f763 | 712 | strip_blank_end(p); |
aea47d44 | 713 | |
45410acb JA |
714 | /* |
715 | * Don't break here, continue parsing options so we | |
716 | * dump all the bad ones. Makes trial/error fixups | |
717 | * easier on the user. | |
718 | */ | |
214e1eca | 719 | ret |= fio_option_parse(td, p); |
cca73aa7 JA |
720 | if (!ret && dump_cmdline) |
721 | log_info("--%s ", p); | |
ebac4655 | 722 | } |
ebac4655 | 723 | |
ccf8f127 | 724 | if (!ret) |
45410acb | 725 | ret = add_job(td, name, 0); |
ccf8f127 | 726 | else { |
b1508cf9 JA |
727 | log_err("fio: job %s dropped\n", name); |
728 | put_job(td); | |
45410acb | 729 | } |
7c124ac1 | 730 | } while (!ret); |
ebac4655 | 731 | |
cca73aa7 JA |
732 | if (dump_cmdline) |
733 | log_info("\n"); | |
734 | ||
ebac4655 JA |
735 | free(string); |
736 | free(name); | |
5a729cbe AC |
737 | if (f != stdin) |
738 | fclose(f); | |
45410acb | 739 | return ret; |
ebac4655 JA |
740 | } |
741 | ||
742 | static int fill_def_thread(void) | |
743 | { | |
744 | memset(&def_thread, 0, sizeof(def_thread)); | |
745 | ||
375b2695 | 746 | fio_getaffinity(getpid(), &def_thread.o.cpumask); |
ebac4655 JA |
747 | |
748 | /* | |
ee738499 | 749 | * fill default options |
ebac4655 | 750 | */ |
214e1eca | 751 | fio_fill_default_options(&def_thread); |
ee738499 | 752 | |
2dc1bbeb JA |
753 | def_thread.o.timeout = def_timeout; |
754 | def_thread.o.write_bw_log = write_bw_log; | |
755 | def_thread.o.write_lat_log = write_lat_log; | |
ee738499 | 756 | |
ebac4655 JA |
757 | return 0; |
758 | } | |
759 | ||
214e1eca JA |
760 | static void free_shm(void) |
761 | { | |
762 | struct shmid_ds sbuf; | |
763 | ||
764 | if (threads) { | |
5e1d306e JA |
765 | void *tp = threads; |
766 | ||
214e1eca | 767 | threads = NULL; |
5e1d306e JA |
768 | file_hash_exit(); |
769 | fio_debug_jobp = NULL; | |
770 | shmdt(tp); | |
214e1eca JA |
771 | shmctl(shm_id, IPC_RMID, &sbuf); |
772 | } | |
2e5cdb11 JA |
773 | |
774 | scleanup(); | |
214e1eca JA |
775 | } |
776 | ||
777 | /* | |
778 | * The thread area is shared between the main process and the job | |
779 | * threads/processes. So setup a shared memory segment that will hold | |
380065aa JA |
780 | * all the job info. We use the end of the region for keeping track of |
781 | * open files across jobs, for file sharing. | |
214e1eca JA |
782 | */ |
783 | static int setup_thread_area(void) | |
784 | { | |
380065aa JA |
785 | void *hash; |
786 | ||
214e1eca JA |
787 | /* |
788 | * 1024 is too much on some machines, scale max_jobs if | |
789 | * we get a failure that looks like too large a shm segment | |
790 | */ | |
791 | do { | |
792 | size_t size = max_jobs * sizeof(struct thread_data); | |
793 | ||
380065aa | 794 | size += file_hash_size; |
5e1d306e | 795 | size += sizeof(unsigned int); |
380065aa | 796 | |
214e1eca JA |
797 | shm_id = shmget(0, size, IPC_CREAT | 0600); |
798 | if (shm_id != -1) | |
799 | break; | |
800 | if (errno != EINVAL) { | |
801 | perror("shmget"); | |
802 | break; | |
803 | } | |
804 | ||
805 | max_jobs >>= 1; | |
806 | } while (max_jobs); | |
807 | ||
808 | if (shm_id == -1) | |
809 | return 1; | |
810 | ||
811 | threads = shmat(shm_id, NULL, 0); | |
812 | if (threads == (void *) -1) { | |
813 | perror("shmat"); | |
814 | return 1; | |
815 | } | |
816 | ||
1f809d15 | 817 | memset(threads, 0, max_jobs * sizeof(struct thread_data)); |
380065aa | 818 | hash = (void *) threads + max_jobs * sizeof(struct thread_data); |
5e1d306e JA |
819 | fio_debug_jobp = (void *) hash + file_hash_size; |
820 | *fio_debug_jobp = -1; | |
380065aa | 821 | file_hash_init(hash); |
214e1eca JA |
822 | atexit(free_shm); |
823 | return 0; | |
824 | } | |
825 | ||
45378b35 | 826 | static void usage(const char *name) |
4785f995 JA |
827 | { |
828 | printf("%s\n", fio_version_string); | |
45378b35 | 829 | printf("%s [options] [job options] <job file(s)>\n", name); |
ee56ad50 | 830 | printf("\t--debug=options\tEnable debug logging\n"); |
b4692828 JA |
831 | printf("\t--output\tWrite output to file\n"); |
832 | printf("\t--timeout\tRuntime in seconds\n"); | |
833 | printf("\t--latency-log\tGenerate per-job latency logs\n"); | |
834 | printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n"); | |
835 | printf("\t--minimal\tMinimal (terse) output\n"); | |
836 | printf("\t--version\tPrint version info and exit\n"); | |
fd28ca49 | 837 | printf("\t--help\t\tPrint this page\n"); |
5ec10eaa JA |
838 | printf("\t--cmdhelp=cmd\tPrint command help, \"all\" for all of" |
839 | " them\n"); | |
cca73aa7 | 840 | printf("\t--showcmd\tTurn a job file into command line options\n"); |
e592a06b AC |
841 | printf("\t--eta=when\tWhen ETA estimate should be printed\n"); |
842 | printf("\t \tMay be \"always\", \"never\" or \"auto\"\n"); | |
5ec10eaa JA |
843 | printf("\t--readonly\tTurn on safety read-only checks, preventing" |
844 | " writes\n"); | |
01f06b63 | 845 | printf("\t--section=name\tOnly run specified section in job file\n"); |
2b386d25 JA |
846 | printf("\t--alloc-size=kb\tSet smalloc pool to this size in kb" |
847 | " (def 1024)\n"); | |
4785f995 JA |
848 | } |
849 | ||
79e48f72 | 850 | #ifdef FIO_INC_DEBUG |
ee56ad50 | 851 | struct debug_level debug_levels[] = { |
bd6f78b2 JA |
852 | { .name = "process", .shift = FD_PROCESS, }, |
853 | { .name = "file", .shift = FD_FILE, }, | |
854 | { .name = "io", .shift = FD_IO, }, | |
855 | { .name = "mem", .shift = FD_MEM, }, | |
856 | { .name = "blktrace", .shift = FD_BLKTRACE }, | |
857 | { .name = "verify", .shift = FD_VERIFY }, | |
84422acd | 858 | { .name = "random", .shift = FD_RANDOM }, |
a3d741fa | 859 | { .name = "parse", .shift = FD_PARSE }, |
cd991b9e | 860 | { .name = "diskutil", .shift = FD_DISKUTIL }, |
5e1d306e | 861 | { .name = "job", .shift = FD_JOB }, |
ee56ad50 JA |
862 | { }, |
863 | }; | |
864 | ||
c09823ab | 865 | static int set_debug(const char *string) |
ee56ad50 JA |
866 | { |
867 | struct debug_level *dl; | |
868 | char *p = (char *) string; | |
869 | char *opt; | |
870 | int i; | |
871 | ||
872 | if (!strcmp(string, "?") || !strcmp(string, "help")) { | |
873 | int i; | |
874 | ||
875 | log_info("fio: dumping debug options:"); | |
876 | for (i = 0; debug_levels[i].name; i++) { | |
877 | dl = &debug_levels[i]; | |
878 | log_info("%s,", dl->name); | |
879 | } | |
bd6f78b2 | 880 | log_info("all\n"); |
c09823ab | 881 | return 1; |
ee56ad50 JA |
882 | } |
883 | ||
884 | while ((opt = strsep(&p, ",")) != NULL) { | |
885 | int found = 0; | |
886 | ||
5e1d306e JA |
887 | if (!strncmp(opt, "all", 3)) { |
888 | log_info("fio: set all debug options\n"); | |
889 | fio_debug = ~0UL; | |
890 | continue; | |
891 | } | |
892 | ||
ee56ad50 JA |
893 | for (i = 0; debug_levels[i].name; i++) { |
894 | dl = &debug_levels[i]; | |
5e1d306e JA |
895 | found = !strncmp(opt, dl->name, strlen(dl->name)); |
896 | if (!found) | |
897 | continue; | |
898 | ||
899 | if (dl->shift == FD_JOB) { | |
900 | opt = strchr(opt, ':'); | |
901 | if (!opt) { | |
902 | log_err("fio: missing job number\n"); | |
903 | break; | |
904 | } | |
905 | opt++; | |
906 | fio_debug_jobno = atoi(opt); | |
907 | log_info("fio: set debug jobno %d\n", | |
908 | fio_debug_jobno); | |
909 | } else { | |
ee56ad50 | 910 | log_info("fio: set debug option %s\n", opt); |
bd6f78b2 | 911 | fio_debug |= (1UL << dl->shift); |
ee56ad50 | 912 | } |
5e1d306e | 913 | break; |
ee56ad50 JA |
914 | } |
915 | ||
916 | if (!found) | |
917 | log_err("fio: debug mask %s not found\n", opt); | |
918 | } | |
c09823ab | 919 | return 0; |
ee56ad50 | 920 | } |
79e48f72 JA |
921 | #else |
922 | static void set_debug(const char *string) | |
923 | { | |
924 | log_err("fio: debug tracing not included in build\n"); | |
c09823ab | 925 | return 1; |
79e48f72 JA |
926 | } |
927 | #endif | |
ee56ad50 | 928 | |
972cfd25 | 929 | static int parse_cmd_line(int argc, char *argv[]) |
ebac4655 | 930 | { |
b4692828 | 931 | struct thread_data *td = NULL; |
c09823ab | 932 | int c, ini_idx = 0, lidx, ret = 0, do_exit = 0, exit_val = 0; |
ebac4655 | 933 | |
5ec10eaa | 934 | while ((c = getopt_long_only(argc, argv, "", l_opts, &lidx)) != -1) { |
ebac4655 | 935 | switch (c) { |
2b386d25 JA |
936 | case 'a': |
937 | smalloc_pool_size = atoi(optarg); | |
938 | break; | |
b4692828 JA |
939 | case 't': |
940 | def_timeout = atoi(optarg); | |
941 | break; | |
942 | case 'l': | |
943 | write_lat_log = 1; | |
944 | break; | |
945 | case 'w': | |
946 | write_bw_log = 1; | |
947 | break; | |
948 | case 'o': | |
949 | f_out = fopen(optarg, "w+"); | |
950 | if (!f_out) { | |
951 | perror("fopen output"); | |
952 | exit(1); | |
953 | } | |
954 | f_err = f_out; | |
955 | break; | |
956 | case 'm': | |
957 | terse_output = 1; | |
958 | break; | |
959 | case 'h': | |
45378b35 | 960 | usage(argv[0]); |
b4692828 | 961 | exit(0); |
fd28ca49 | 962 | case 'c': |
214e1eca | 963 | exit(fio_show_option_help(optarg)); |
cca73aa7 JA |
964 | case 's': |
965 | dump_cmdline = 1; | |
966 | break; | |
724e4435 JA |
967 | case 'r': |
968 | read_only = 1; | |
969 | break; | |
b4692828 JA |
970 | case 'v': |
971 | printf("%s\n", fio_version_string); | |
972 | exit(0); | |
e592a06b AC |
973 | case 'e': |
974 | if (!strcmp("always", optarg)) | |
975 | eta_print = FIO_ETA_ALWAYS; | |
976 | else if (!strcmp("never", optarg)) | |
977 | eta_print = FIO_ETA_NEVER; | |
978 | break; | |
ee56ad50 | 979 | case 'd': |
c09823ab JA |
980 | if (set_debug(optarg)) |
981 | do_exit++; | |
ee56ad50 | 982 | break; |
01f06b63 JA |
983 | case 'x': |
984 | if (!strcmp(optarg, "global")) { | |
5ec10eaa JA |
985 | log_err("fio: can't use global as only " |
986 | "section\n"); | |
c09823ab JA |
987 | do_exit++; |
988 | exit_val = 1; | |
01f06b63 JA |
989 | break; |
990 | } | |
991 | if (job_section) | |
992 | free(job_section); | |
993 | job_section = strdup(optarg); | |
994 | break; | |
b4692828 | 995 | case FIO_GETOPT_JOB: { |
5ec10eaa | 996 | const char *opt = l_opts[lidx].name; |
b4692828 JA |
997 | char *val = optarg; |
998 | ||
c2b1e753 | 999 | if (!strncmp(opt, "name", 4) && td) { |
2dc1bbeb | 1000 | ret = add_job(td, td->o.name ?: "fio", 0); |
c2b1e753 JA |
1001 | if (ret) { |
1002 | put_job(td); | |
1003 | return 0; | |
1004 | } | |
1005 | td = NULL; | |
1006 | } | |
b4692828 | 1007 | if (!td) { |
01f06b63 | 1008 | int is_section = !strncmp(opt, "name", 4); |
3106f220 JA |
1009 | int global = 0; |
1010 | ||
01f06b63 | 1011 | if (!is_section || !strncmp(val, "global", 6)) |
3106f220 | 1012 | global = 1; |
c2b1e753 | 1013 | |
01f06b63 JA |
1014 | if (is_section && skip_this_section(val)) |
1015 | continue; | |
1016 | ||
c2b1e753 | 1017 | td = get_new_job(global, &def_thread); |
b4692828 JA |
1018 | if (!td) |
1019 | return 0; | |
1020 | } | |
38d0adb0 | 1021 | |
214e1eca | 1022 | ret = fio_cmd_option_parse(td, opt, val); |
b4692828 JA |
1023 | break; |
1024 | } | |
1025 | default: | |
c09823ab JA |
1026 | do_exit++; |
1027 | exit_val = 1; | |
b4692828 | 1028 | break; |
ebac4655 JA |
1029 | } |
1030 | } | |
c9fad893 | 1031 | |
c09823ab JA |
1032 | if (do_exit) |
1033 | exit(exit_val); | |
536582bf | 1034 | |
b4692828 | 1035 | if (td) { |
7d6a8904 | 1036 | if (!ret) |
2dc1bbeb | 1037 | ret = add_job(td, td->o.name ?: "fio", 0); |
7d6a8904 JA |
1038 | if (ret) |
1039 | put_job(td); | |
972cfd25 | 1040 | } |
774a6177 | 1041 | |
b4692828 JA |
1042 | while (optind < argc) { |
1043 | ini_idx++; | |
1044 | ini_file = realloc(ini_file, ini_idx * sizeof(char *)); | |
1045 | ini_file[ini_idx - 1] = strdup(argv[optind]); | |
1046 | optind++; | |
eb8bbf48 | 1047 | } |
972cfd25 JA |
1048 | |
1049 | return ini_idx; | |
ebac4655 JA |
1050 | } |
1051 | ||
ebac4655 JA |
1052 | int parse_options(int argc, char *argv[]) |
1053 | { | |
972cfd25 JA |
1054 | int job_files, i; |
1055 | ||
b4692828 JA |
1056 | f_out = stdout; |
1057 | f_err = stderr; | |
1058 | ||
5ec10eaa | 1059 | fio_options_dup_and_init(l_opts); |
b4692828 | 1060 | |
ebac4655 JA |
1061 | if (setup_thread_area()) |
1062 | return 1; | |
1063 | if (fill_def_thread()) | |
1064 | return 1; | |
1065 | ||
972cfd25 | 1066 | job_files = parse_cmd_line(argc, argv); |
ebac4655 | 1067 | |
972cfd25 JA |
1068 | for (i = 0; i < job_files; i++) { |
1069 | if (fill_def_thread()) | |
1070 | return 1; | |
0c7e37a0 | 1071 | if (parse_jobs_ini(ini_file[i], i)) |
972cfd25 | 1072 | return 1; |
88c6ed80 | 1073 | free(ini_file[i]); |
972cfd25 | 1074 | } |
ebac4655 | 1075 | |
88c6ed80 | 1076 | free(ini_file); |
d23bb327 | 1077 | options_mem_free(&def_thread); |
b4692828 JA |
1078 | |
1079 | if (!thread_number) { | |
cca73aa7 JA |
1080 | if (dump_cmdline) |
1081 | return 0; | |
1082 | ||
b4692828 | 1083 | log_err("No jobs defined(s)\n"); |
45378b35 | 1084 | usage(argv[0]); |
b4692828 JA |
1085 | return 1; |
1086 | } | |
1087 | ||
ebac4655 JA |
1088 | return 0; |
1089 | } |