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" |
ebac4655 | 19 | |
64d04e4e | 20 | static char fio_version_string[] = "fio 1.17.2"; |
214e1eca | 21 | |
ee738499 | 22 | #define FIO_RANDSEED (0xb1899bedUL) |
ebac4655 | 23 | |
214e1eca JA |
24 | static char **ini_file; |
25 | static int max_jobs = MAX_JOBS; | |
cca73aa7 | 26 | static int dump_cmdline; |
e1f36503 | 27 | |
214e1eca JA |
28 | struct thread_data def_thread; |
29 | struct thread_data *threads = NULL; | |
e1f36503 | 30 | |
214e1eca JA |
31 | int exitall_on_terminate = 0; |
32 | int terse_output = 0; | |
e592a06b | 33 | int eta_print; |
214e1eca JA |
34 | unsigned long long mlock_size = 0; |
35 | FILE *f_out = NULL; | |
36 | FILE *f_err = NULL; | |
ee738499 | 37 | |
214e1eca | 38 | int write_bw_log = 0; |
4241ea8f | 39 | int read_only = 0; |
214e1eca JA |
40 | |
41 | static int def_timeout = 0; | |
42 | static int write_lat_log = 0; | |
e1f36503 | 43 | |
214e1eca | 44 | static int prev_group_jobs; |
b4692828 JA |
45 | |
46 | /* | |
47 | * Command line options. These will contain the above, plus a few | |
48 | * extra that only pertain to fio itself and not jobs. | |
49 | */ | |
214e1eca | 50 | static struct option long_options[FIO_NR_OPTIONS] = { |
b4692828 JA |
51 | { |
52 | .name = "output", | |
53 | .has_arg = required_argument, | |
54 | .val = 'o', | |
55 | }, | |
56 | { | |
57 | .name = "timeout", | |
58 | .has_arg = required_argument, | |
59 | .val = 't', | |
60 | }, | |
61 | { | |
62 | .name = "latency-log", | |
63 | .has_arg = required_argument, | |
64 | .val = 'l', | |
65 | }, | |
66 | { | |
67 | .name = "bandwidth-log", | |
68 | .has_arg = required_argument, | |
69 | .val = 'b', | |
70 | }, | |
71 | { | |
72 | .name = "minimal", | |
73 | .has_arg = optional_argument, | |
74 | .val = 'm', | |
75 | }, | |
76 | { | |
77 | .name = "version", | |
78 | .has_arg = no_argument, | |
79 | .val = 'v', | |
80 | }, | |
fd28ca49 JA |
81 | { |
82 | .name = "help", | |
83 | .has_arg = no_argument, | |
84 | .val = 'h', | |
85 | }, | |
86 | { | |
87 | .name = "cmdhelp", | |
320beefe | 88 | .has_arg = optional_argument, |
fd28ca49 JA |
89 | .val = 'c', |
90 | }, | |
cca73aa7 JA |
91 | { |
92 | .name = "showcmd", | |
93 | .has_arg = no_argument, | |
724e4435 JA |
94 | .val = 's', |
95 | }, | |
96 | { | |
97 | .name = "readonly", | |
98 | .has_arg = no_argument, | |
99 | .val = 'r', | |
cca73aa7 | 100 | }, |
e592a06b AC |
101 | { |
102 | .name = "eta", | |
103 | .has_arg = required_argument, | |
104 | .val = 'e', | |
105 | }, | |
b4692828 JA |
106 | { |
107 | .name = NULL, | |
108 | }, | |
109 | }; | |
110 | ||
9728ce37 JB |
111 | FILE *get_f_out() |
112 | { | |
113 | return f_out; | |
114 | } | |
115 | ||
116 | FILE *get_f_err() | |
117 | { | |
118 | return f_err; | |
119 | } | |
120 | ||
906c8d75 JA |
121 | /* |
122 | * Return a free job structure. | |
123 | */ | |
ebac4655 JA |
124 | static struct thread_data *get_new_job(int global, struct thread_data *parent) |
125 | { | |
126 | struct thread_data *td; | |
127 | ||
128 | if (global) | |
129 | return &def_thread; | |
130 | if (thread_number >= max_jobs) | |
131 | return NULL; | |
132 | ||
133 | td = &threads[thread_number++]; | |
ddaeaa5a | 134 | *td = *parent; |
ebac4655 | 135 | |
cade3ef4 | 136 | dup_files(td, parent); |
d23bb327 | 137 | options_mem_dupe(td); |
cade3ef4 | 138 | |
ebac4655 | 139 | td->thread_number = thread_number; |
ebac4655 JA |
140 | return td; |
141 | } | |
142 | ||
143 | static void put_job(struct thread_data *td) | |
144 | { | |
549577a7 JA |
145 | if (td == &def_thread) |
146 | return; | |
147 | ||
16edf25d | 148 | if (td->error) |
6d86144d | 149 | log_info("fio: %s\n", td->verror); |
16edf25d | 150 | |
ebac4655 JA |
151 | memset(&threads[td->thread_number - 1], 0, sizeof(*td)); |
152 | thread_number--; | |
153 | } | |
154 | ||
127f6865 JA |
155 | static int setup_rate(struct thread_data *td) |
156 | { | |
157 | unsigned long nr_reads_per_msec; | |
158 | unsigned long long rate; | |
159 | unsigned int bs; | |
160 | ||
2dc1bbeb | 161 | if (!td->o.rate && !td->o.rate_iops) |
127f6865 JA |
162 | return 0; |
163 | ||
164 | if (td_rw(td)) | |
2dc1bbeb | 165 | bs = td->o.rw_min_bs; |
127f6865 | 166 | else if (td_read(td)) |
2dc1bbeb | 167 | bs = td->o.min_bs[DDIR_READ]; |
127f6865 | 168 | else |
2dc1bbeb | 169 | bs = td->o.min_bs[DDIR_WRITE]; |
127f6865 | 170 | |
2dc1bbeb JA |
171 | if (td->o.rate) { |
172 | rate = td->o.rate; | |
127f6865 JA |
173 | nr_reads_per_msec = (rate * 1024 * 1000LL) / bs; |
174 | } else | |
2dc1bbeb | 175 | nr_reads_per_msec = td->o.rate_iops * 1000UL; |
127f6865 JA |
176 | |
177 | if (!nr_reads_per_msec) { | |
178 | log_err("rate lower than supported\n"); | |
179 | return -1; | |
180 | } | |
181 | ||
182 | td->rate_usec_cycle = 1000000000ULL / nr_reads_per_msec; | |
183 | td->rate_pending_usleep = 0; | |
184 | return 0; | |
185 | } | |
186 | ||
dad915e3 JA |
187 | /* |
188 | * Lazy way of fixing up options that depend on each other. We could also | |
189 | * define option callback handlers, but this is easier. | |
190 | */ | |
4e991c23 | 191 | static int fixup_options(struct thread_data *td) |
e1f36503 | 192 | { |
2dc1bbeb | 193 | struct thread_options *o = &td->o; |
dad915e3 | 194 | |
724e4435 JA |
195 | if (read_only && td_write(td)) { |
196 | log_err("fio: job <%s> has write bit set, but fio is in read-only mode\n", td->o.name); | |
197 | return 1; | |
198 | } | |
199 | ||
e47f799f JA |
200 | if (o->rwmix[DDIR_READ] + o->rwmix[DDIR_WRITE] > 100) |
201 | o->rwmix[DDIR_WRITE] = 100 - o->rwmix[DDIR_READ]; | |
2dc1bbeb JA |
202 | |
203 | if (o->write_iolog_file && o->read_iolog_file) { | |
076efc7c | 204 | log_err("fio: read iolog overrides write_iolog\n"); |
2dc1bbeb JA |
205 | free(o->write_iolog_file); |
206 | o->write_iolog_file = NULL; | |
076efc7c | 207 | } |
16b462ae JA |
208 | |
209 | if (td->io_ops->flags & FIO_SYNCIO) | |
2dc1bbeb | 210 | o->iodepth = 1; |
16b462ae | 211 | else { |
2dc1bbeb JA |
212 | if (!o->iodepth) |
213 | o->iodepth = o->open_files; | |
16b462ae JA |
214 | } |
215 | ||
216 | /* | |
217 | * only really works for sequential io for now, and with 1 file | |
218 | */ | |
2dc1bbeb JA |
219 | if (o->zone_size && td_random(td) && o->open_files == 1) |
220 | o->zone_size = 0; | |
16b462ae JA |
221 | |
222 | /* | |
223 | * Reads can do overwrites, we always need to pre-create the file | |
224 | */ | |
225 | if (td_read(td) || td_rw(td)) | |
2dc1bbeb | 226 | o->overwrite = 1; |
16b462ae | 227 | |
2dc1bbeb JA |
228 | if (!o->min_bs[DDIR_READ]) |
229 | o->min_bs[DDIR_READ]= o->bs[DDIR_READ]; | |
230 | if (!o->max_bs[DDIR_READ]) | |
231 | o->max_bs[DDIR_READ] = o->bs[DDIR_READ]; | |
232 | if (!o->min_bs[DDIR_WRITE]) | |
233 | o->min_bs[DDIR_WRITE]= o->bs[DDIR_WRITE]; | |
234 | if (!o->max_bs[DDIR_WRITE]) | |
235 | o->max_bs[DDIR_WRITE] = o->bs[DDIR_WRITE]; | |
a00735e6 | 236 | |
2dc1bbeb | 237 | o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]); |
a00735e6 | 238 | |
2dc1bbeb JA |
239 | if (!o->file_size_high) |
240 | o->file_size_high = o->file_size_low; | |
9c60ce64 | 241 | |
2dc1bbeb | 242 | if (o->norandommap && o->verify != VERIFY_NONE) { |
bb8895e0 | 243 | log_err("fio: norandommap given, verify disabled\n"); |
2dc1bbeb | 244 | o->verify = VERIFY_NONE; |
bb8895e0 | 245 | } |
2dc1bbeb | 246 | if (o->bs_unaligned && (o->odirect || td->io_ops->flags & FIO_RAWIO)) |
690adba3 | 247 | log_err("fio: bs_unaligned may not work with raw io\n"); |
e0a22335 | 248 | |
48097d5c JA |
249 | /* |
250 | * thinktime_spin must be less than thinktime | |
251 | */ | |
2dc1bbeb JA |
252 | if (o->thinktime_spin > o->thinktime) |
253 | o->thinktime_spin = o->thinktime; | |
e916b390 JA |
254 | |
255 | /* | |
256 | * The low water mark cannot be bigger than the iodepth | |
257 | */ | |
2dc1bbeb | 258 | if (o->iodepth_low > o->iodepth || !o->iodepth_low) { |
9467b77c JA |
259 | /* |
260 | * syslet work around - if the workload is sequential, | |
261 | * we want to let the queue drain all the way down to | |
262 | * avoid seeking between async threads | |
263 | */ | |
264 | if (!strcmp(td->io_ops->name, "syslet-rw") && !td_random(td)) | |
2dc1bbeb | 265 | o->iodepth_low = 1; |
9467b77c | 266 | else |
2dc1bbeb | 267 | o->iodepth_low = o->iodepth; |
9467b77c | 268 | } |
cb5ab512 JA |
269 | |
270 | /* | |
271 | * If batch number isn't set, default to the same as iodepth | |
272 | */ | |
2dc1bbeb JA |
273 | if (o->iodepth_batch > o->iodepth || !o->iodepth_batch) |
274 | o->iodepth_batch = o->iodepth; | |
b5af8293 | 275 | |
2dc1bbeb JA |
276 | if (o->nr_files > td->files_index) |
277 | o->nr_files = td->files_index; | |
9f9214f2 | 278 | |
2dc1bbeb JA |
279 | if (o->open_files > o->nr_files || !o->open_files) |
280 | o->open_files = o->nr_files; | |
4e991c23 | 281 | |
2dc1bbeb | 282 | if ((o->rate && o->rate_iops) || (o->ratemin && o->rate_iops_min)) { |
4e991c23 JA |
283 | log_err("fio: rate and rate_iops are mutually exclusive\n"); |
284 | return 1; | |
285 | } | |
2dc1bbeb | 286 | if ((o->rate < o->ratemin) || (o->rate_iops < o->rate_iops_min)) { |
4e991c23 JA |
287 | log_err("fio: minimum rate exceeds rate\n"); |
288 | return 1; | |
289 | } | |
290 | ||
cf4464ca JA |
291 | if (!o->timeout && o->time_based) { |
292 | log_err("fio: time_based requires a runtime/timeout setting\n"); | |
293 | o->time_based = 0; | |
294 | } | |
295 | ||
aa31f1f1 SL |
296 | if (o->fill_device && !o->size) |
297 | o->size = ULONG_LONG_MAX; | |
298 | ||
4e991c23 | 299 | return 0; |
e1f36503 JA |
300 | } |
301 | ||
f8977ee6 JA |
302 | /* |
303 | * This function leaks the buffer | |
304 | */ | |
305 | static char *to_kmg(unsigned int val) | |
306 | { | |
307 | char *buf = malloc(32); | |
f3502ba2 | 308 | char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 }; |
f8977ee6 JA |
309 | char *p = post; |
310 | ||
245142ff | 311 | do { |
f8977ee6 JA |
312 | if (val & 1023) |
313 | break; | |
314 | ||
315 | val >>= 10; | |
316 | p++; | |
245142ff | 317 | } while (*p); |
f8977ee6 JA |
318 | |
319 | snprintf(buf, 31, "%u%c", val, *p); | |
320 | return buf; | |
321 | } | |
322 | ||
09629a90 JA |
323 | /* External engines are specified by "external:name.o") */ |
324 | static const char *get_engine_name(const char *str) | |
325 | { | |
326 | char *p = strstr(str, ":"); | |
327 | ||
328 | if (!p) | |
329 | return str; | |
330 | ||
331 | p++; | |
332 | strip_blank_front(&p); | |
333 | strip_blank_end(p); | |
334 | return p; | |
335 | } | |
336 | ||
e132cbae JA |
337 | static int exists_and_not_file(const char *filename) |
338 | { | |
339 | struct stat sb; | |
340 | ||
341 | if (lstat(filename, &sb) == -1) | |
342 | return 0; | |
343 | ||
344 | if (S_ISREG(sb.st_mode)) | |
345 | return 0; | |
346 | ||
347 | return 1; | |
348 | } | |
349 | ||
9c60ce64 JA |
350 | /* |
351 | * Initialize the various random states we need (random io, block size ranges, | |
352 | * read/write mix, etc). | |
353 | */ | |
354 | static int init_random_state(struct thread_data *td) | |
355 | { | |
356 | unsigned long seeds[6]; | |
68727076 | 357 | int fd; |
9c60ce64 JA |
358 | |
359 | fd = open("/dev/urandom", O_RDONLY); | |
360 | if (fd == -1) { | |
361 | td_verror(td, errno, "open"); | |
362 | return 1; | |
363 | } | |
364 | ||
365 | if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) { | |
366 | td_verror(td, EIO, "read"); | |
367 | close(fd); | |
368 | return 1; | |
369 | } | |
370 | ||
371 | close(fd); | |
372 | ||
373 | os_random_seed(seeds[0], &td->bsrange_state); | |
374 | os_random_seed(seeds[1], &td->verify_state); | |
375 | os_random_seed(seeds[2], &td->rwmix_state); | |
376 | ||
2dc1bbeb | 377 | if (td->o.file_service_type == FIO_FSERVICE_RANDOM) |
9c60ce64 JA |
378 | os_random_seed(seeds[3], &td->next_file_state); |
379 | ||
380 | os_random_seed(seeds[5], &td->file_size_state); | |
381 | ||
382 | if (!td_random(td)) | |
383 | return 0; | |
384 | ||
2dc1bbeb | 385 | if (td->o.rand_repeatable) |
9c60ce64 JA |
386 | seeds[4] = FIO_RANDSEED * td->thread_number; |
387 | ||
9c60ce64 JA |
388 | os_random_seed(seeds[4], &td->random_state); |
389 | return 0; | |
390 | } | |
391 | ||
906c8d75 JA |
392 | /* |
393 | * Adds a job to the list of things todo. Sanitizes the various options | |
394 | * to make sure we don't have conflicts, and initializes various | |
395 | * members of td. | |
396 | */ | |
75154845 | 397 | static int add_job(struct thread_data *td, const char *jobname, int job_add_num) |
ebac4655 | 398 | { |
413dd459 JA |
399 | const char *ddir_str[] = { NULL, "read", "write", "rw", NULL, |
400 | "randread", "randwrite", "randrw" }; | |
af52b345 | 401 | unsigned int i; |
09629a90 | 402 | const char *engine; |
af52b345 | 403 | char fname[PATH_MAX]; |
e132cbae | 404 | int numjobs, file_alloced; |
ebac4655 | 405 | |
ebac4655 JA |
406 | /* |
407 | * the def_thread is just for options, it's not a real job | |
408 | */ | |
409 | if (td == &def_thread) | |
410 | return 0; | |
411 | ||
cca73aa7 JA |
412 | /* |
413 | * if we are just dumping the output command line, don't add the job | |
414 | */ | |
415 | if (dump_cmdline) { | |
416 | put_job(td); | |
417 | return 0; | |
418 | } | |
419 | ||
2dc1bbeb | 420 | engine = get_engine_name(td->o.ioengine); |
09629a90 JA |
421 | td->io_ops = load_ioengine(td, engine); |
422 | if (!td->io_ops) { | |
423 | log_err("fio: failed to load engine %s\n", engine); | |
205927a3 | 424 | goto err; |
09629a90 | 425 | } |
df64119d | 426 | |
2dc1bbeb | 427 | if (td->o.use_thread) |
9cedf167 JA |
428 | nr_thread++; |
429 | else | |
430 | nr_process++; | |
431 | ||
2dc1bbeb | 432 | if (td->o.odirect) |
690adba3 JA |
433 | td->io_ops->flags |= FIO_RAWIO; |
434 | ||
e132cbae | 435 | file_alloced = 0; |
2dc1bbeb | 436 | if (!td->o.filename && !td->files_index) { |
e132cbae | 437 | file_alloced = 1; |
80be24f4 | 438 | |
2dc1bbeb | 439 | if (td->o.nr_files == 1 && exists_and_not_file(jobname)) |
e132cbae | 440 | add_file(td, jobname); |
7b05a215 | 441 | else { |
2dc1bbeb | 442 | for (i = 0; i < td->o.nr_files; i++) { |
e132cbae | 443 | sprintf(fname, "%s.%d.%d", jobname, td->thread_number, i); |
7b05a215 JA |
444 | add_file(td, fname); |
445 | } | |
af52b345 | 446 | } |
0af7b542 | 447 | } |
ebac4655 | 448 | |
4e991c23 JA |
449 | if (fixup_options(td)) |
450 | goto err; | |
e0a22335 | 451 | |
07eb79df JA |
452 | if (td->io_ops->flags & FIO_DISKLESSIO) { |
453 | struct fio_file *f; | |
454 | ||
455 | for_each_file(td, f, i) | |
456 | f->real_file_size = -1ULL; | |
457 | } | |
458 | ||
07739b57 | 459 | td->mutex = fio_sem_init(0); |
ebac4655 | 460 | |
756867bd JA |
461 | td->ts.clat_stat[0].min_val = td->ts.clat_stat[1].min_val = ULONG_MAX; |
462 | td->ts.slat_stat[0].min_val = td->ts.slat_stat[1].min_val = ULONG_MAX; | |
463 | td->ts.bw_stat[0].min_val = td->ts.bw_stat[1].min_val = ULONG_MAX; | |
1e3d53ac | 464 | td->ddir_nr = td->o.ddir_nr; |
ebac4655 | 465 | |
b3d62a75 JA |
466 | if ((td->o.stonewall || td->o.numjobs > 1 || td->o.new_group) |
467 | && prev_group_jobs) { | |
3c5df6fa | 468 | prev_group_jobs = 0; |
ebac4655 | 469 | groupid++; |
3c5df6fa | 470 | } |
ebac4655 JA |
471 | |
472 | td->groupid = groupid; | |
3c5df6fa | 473 | prev_group_jobs++; |
ebac4655 | 474 | |
9c60ce64 JA |
475 | if (init_random_state(td)) |
476 | goto err; | |
477 | ||
ebac4655 JA |
478 | if (setup_rate(td)) |
479 | goto err; | |
480 | ||
2dc1bbeb | 481 | if (td->o.write_lat_log) { |
756867bd JA |
482 | setup_log(&td->ts.slat_log); |
483 | setup_log(&td->ts.clat_log); | |
ebac4655 | 484 | } |
2dc1bbeb | 485 | if (td->o.write_bw_log) |
756867bd | 486 | setup_log(&td->ts.bw_log); |
ebac4655 | 487 | |
2dc1bbeb JA |
488 | if (!td->o.name) |
489 | td->o.name = strdup(jobname); | |
01452055 | 490 | |
c6ae0a5b | 491 | if (!terse_output) { |
b990b5c0 | 492 | if (!job_add_num) { |
ba0fbe10 | 493 | if (!strcmp(td->io_ops->name, "cpuio")) |
2dc1bbeb | 494 | log_info("%s: ioengine=cpu, cpuload=%u, cpucycle=%u\n", td->o.name, td->o.cpuload, td->o.cpucycle); |
f8977ee6 JA |
495 | else { |
496 | char *c1, *c2, *c3, *c4; | |
497 | ||
2dc1bbeb JA |
498 | c1 = to_kmg(td->o.min_bs[DDIR_READ]); |
499 | c2 = to_kmg(td->o.max_bs[DDIR_READ]); | |
500 | c3 = to_kmg(td->o.min_bs[DDIR_WRITE]); | |
501 | c4 = to_kmg(td->o.max_bs[DDIR_WRITE]); | |
f8977ee6 | 502 | |
2dc1bbeb | 503 | 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); |
f8977ee6 JA |
504 | |
505 | free(c1); | |
506 | free(c2); | |
507 | free(c3); | |
508 | free(c4); | |
509 | } | |
b990b5c0 | 510 | } else if (job_add_num == 1) |
6d86144d | 511 | log_info("...\n"); |
c6ae0a5b | 512 | } |
ebac4655 JA |
513 | |
514 | /* | |
515 | * recurse add identical jobs, clear numjobs and stonewall options | |
516 | * as they don't apply to sub-jobs | |
517 | */ | |
2dc1bbeb | 518 | numjobs = td->o.numjobs; |
ebac4655 JA |
519 | while (--numjobs) { |
520 | struct thread_data *td_new = get_new_job(0, td); | |
521 | ||
522 | if (!td_new) | |
523 | goto err; | |
524 | ||
2dc1bbeb JA |
525 | td_new->o.numjobs = 1; |
526 | td_new->o.stonewall = 0; | |
92c1d41f | 527 | td_new->o.new_group = 0; |
e132cbae JA |
528 | |
529 | if (file_alloced) { | |
2dc1bbeb | 530 | td_new->o.filename = NULL; |
e132cbae JA |
531 | td_new->files_index = 0; |
532 | td_new->files = NULL; | |
533 | } | |
534 | ||
75154845 | 535 | job_add_num = numjobs - 1; |
ebac4655 | 536 | |
75154845 | 537 | if (add_job(td_new, jobname, job_add_num)) |
ebac4655 JA |
538 | goto err; |
539 | } | |
3c5df6fa | 540 | |
ebac4655 JA |
541 | return 0; |
542 | err: | |
543 | put_job(td); | |
544 | return -1; | |
545 | } | |
546 | ||
ebac4655 JA |
547 | static int is_empty_or_comment(char *line) |
548 | { | |
549 | unsigned int i; | |
550 | ||
551 | for (i = 0; i < strlen(line); i++) { | |
552 | if (line[i] == ';') | |
553 | return 1; | |
5cc2da30 IM |
554 | if (line[i] == '#') |
555 | return 1; | |
ebac4655 JA |
556 | if (!isspace(line[i]) && !iscntrl(line[i])) |
557 | return 0; | |
558 | } | |
559 | ||
560 | return 1; | |
561 | } | |
562 | ||
07261983 JA |
563 | /* |
564 | * This is our [ini] type file parser. | |
565 | */ | |
1e97cce9 | 566 | static int parse_jobs_ini(char *file, int stonewall_flag) |
ebac4655 | 567 | { |
e1f36503 | 568 | unsigned int global; |
ebac4655 | 569 | struct thread_data *td; |
fee3bb48 | 570 | char *string, *name; |
ebac4655 JA |
571 | FILE *f; |
572 | char *p; | |
0c7e37a0 | 573 | int ret = 0, stonewall; |
097b2991 | 574 | int first_sect = 1; |
ccf8f127 | 575 | int skip_fgets = 0; |
ebac4655 | 576 | |
5a729cbe AC |
577 | if (!strcmp(file, "-")) |
578 | f = stdin; | |
579 | else | |
580 | f = fopen(file, "r"); | |
581 | ||
ebac4655 | 582 | if (!f) { |
aea47d44 | 583 | perror("fopen job file"); |
ebac4655 JA |
584 | return 1; |
585 | } | |
586 | ||
587 | string = malloc(4096); | |
7f7e6e59 JA |
588 | |
589 | /* | |
590 | * it's really 256 + small bit, 280 should suffice | |
591 | */ | |
592 | name = malloc(280); | |
593 | memset(name, 0, 280); | |
ebac4655 | 594 | |
0c7e37a0 | 595 | stonewall = stonewall_flag; |
7c124ac1 | 596 | do { |
ccf8f127 JA |
597 | /* |
598 | * if skip_fgets is set, we already have loaded a line we | |
599 | * haven't handled. | |
600 | */ | |
601 | if (!skip_fgets) { | |
602 | p = fgets(string, 4095, f); | |
603 | if (!p) | |
604 | break; | |
605 | } | |
cdc7f193 | 606 | |
ccf8f127 | 607 | skip_fgets = 0; |
cdc7f193 | 608 | strip_blank_front(&p); |
6c7c7da1 | 609 | strip_blank_end(p); |
cdc7f193 | 610 | |
ebac4655 JA |
611 | if (is_empty_or_comment(p)) |
612 | continue; | |
6c7c7da1 | 613 | if (sscanf(p, "[%255s]", name) != 1) { |
088b4207 JA |
614 | log_err("fio: option <%s> outside of [] job section\n", p); |
615 | break; | |
6c7c7da1 | 616 | } |
ebac4655 JA |
617 | |
618 | global = !strncmp(name, "global", 6); | |
619 | ||
620 | name[strlen(name) - 1] = '\0'; | |
621 | ||
cca73aa7 | 622 | if (dump_cmdline) { |
097b2991 JA |
623 | if (first_sect) |
624 | log_info("fio "); | |
cca73aa7 JA |
625 | if (!global) |
626 | log_info("--name=%s ", name); | |
097b2991 | 627 | first_sect = 0; |
cca73aa7 JA |
628 | } |
629 | ||
ebac4655 | 630 | td = get_new_job(global, &def_thread); |
45410acb JA |
631 | if (!td) { |
632 | ret = 1; | |
633 | break; | |
634 | } | |
ebac4655 | 635 | |
972cfd25 JA |
636 | /* |
637 | * Seperate multiple job files by a stonewall | |
638 | */ | |
f9481919 | 639 | if (!global && stonewall) { |
2dc1bbeb | 640 | td->o.stonewall = stonewall; |
972cfd25 JA |
641 | stonewall = 0; |
642 | } | |
643 | ||
ebac4655 JA |
644 | while ((p = fgets(string, 4096, f)) != NULL) { |
645 | if (is_empty_or_comment(p)) | |
646 | continue; | |
e1f36503 | 647 | |
b6754f9d | 648 | strip_blank_front(&p); |
7c124ac1 | 649 | |
ccf8f127 JA |
650 | /* |
651 | * new section, break out and make sure we don't | |
652 | * fgets() a new line at the top. | |
653 | */ | |
654 | if (p[0] == '[') { | |
655 | skip_fgets = 1; | |
7c124ac1 | 656 | break; |
ccf8f127 | 657 | } |
7c124ac1 | 658 | |
4ae3f763 | 659 | strip_blank_end(p); |
aea47d44 | 660 | |
45410acb JA |
661 | /* |
662 | * Don't break here, continue parsing options so we | |
663 | * dump all the bad ones. Makes trial/error fixups | |
664 | * easier on the user. | |
665 | */ | |
214e1eca | 666 | ret |= fio_option_parse(td, p); |
cca73aa7 JA |
667 | if (!ret && dump_cmdline) |
668 | log_info("--%s ", p); | |
ebac4655 | 669 | } |
ebac4655 | 670 | |
ccf8f127 | 671 | if (!ret) |
45410acb | 672 | ret = add_job(td, name, 0); |
ccf8f127 | 673 | else { |
b1508cf9 JA |
674 | log_err("fio: job %s dropped\n", name); |
675 | put_job(td); | |
45410acb | 676 | } |
7c124ac1 | 677 | } while (!ret); |
ebac4655 | 678 | |
cca73aa7 JA |
679 | if (dump_cmdline) |
680 | log_info("\n"); | |
681 | ||
ebac4655 JA |
682 | free(string); |
683 | free(name); | |
5a729cbe AC |
684 | if (f != stdin) |
685 | fclose(f); | |
45410acb | 686 | return ret; |
ebac4655 JA |
687 | } |
688 | ||
689 | static int fill_def_thread(void) | |
690 | { | |
691 | memset(&def_thread, 0, sizeof(def_thread)); | |
692 | ||
375b2695 | 693 | fio_getaffinity(getpid(), &def_thread.o.cpumask); |
ebac4655 JA |
694 | |
695 | /* | |
ee738499 | 696 | * fill default options |
ebac4655 | 697 | */ |
214e1eca | 698 | fio_fill_default_options(&def_thread); |
ee738499 | 699 | |
2dc1bbeb JA |
700 | def_thread.o.timeout = def_timeout; |
701 | def_thread.o.write_bw_log = write_bw_log; | |
702 | def_thread.o.write_lat_log = write_lat_log; | |
ee738499 | 703 | |
ebac4655 JA |
704 | return 0; |
705 | } | |
706 | ||
214e1eca JA |
707 | static void free_shm(void) |
708 | { | |
709 | struct shmid_ds sbuf; | |
710 | ||
711 | if (threads) { | |
712 | shmdt((void *) threads); | |
713 | threads = NULL; | |
714 | shmctl(shm_id, IPC_RMID, &sbuf); | |
715 | } | |
716 | } | |
717 | ||
718 | /* | |
719 | * The thread area is shared between the main process and the job | |
720 | * threads/processes. So setup a shared memory segment that will hold | |
721 | * all the job info. | |
722 | */ | |
723 | static int setup_thread_area(void) | |
724 | { | |
725 | /* | |
726 | * 1024 is too much on some machines, scale max_jobs if | |
727 | * we get a failure that looks like too large a shm segment | |
728 | */ | |
729 | do { | |
730 | size_t size = max_jobs * sizeof(struct thread_data); | |
731 | ||
732 | shm_id = shmget(0, size, IPC_CREAT | 0600); | |
733 | if (shm_id != -1) | |
734 | break; | |
735 | if (errno != EINVAL) { | |
736 | perror("shmget"); | |
737 | break; | |
738 | } | |
739 | ||
740 | max_jobs >>= 1; | |
741 | } while (max_jobs); | |
742 | ||
743 | if (shm_id == -1) | |
744 | return 1; | |
745 | ||
746 | threads = shmat(shm_id, NULL, 0); | |
747 | if (threads == (void *) -1) { | |
748 | perror("shmat"); | |
749 | return 1; | |
750 | } | |
751 | ||
1f809d15 | 752 | memset(threads, 0, max_jobs * sizeof(struct thread_data)); |
214e1eca JA |
753 | atexit(free_shm); |
754 | return 0; | |
755 | } | |
756 | ||
45378b35 | 757 | static void usage(const char *name) |
4785f995 JA |
758 | { |
759 | printf("%s\n", fio_version_string); | |
45378b35 | 760 | printf("%s [options] [job options] <job file(s)>\n", name); |
b4692828 JA |
761 | printf("\t--output\tWrite output to file\n"); |
762 | printf("\t--timeout\tRuntime in seconds\n"); | |
763 | printf("\t--latency-log\tGenerate per-job latency logs\n"); | |
764 | printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n"); | |
765 | printf("\t--minimal\tMinimal (terse) output\n"); | |
766 | printf("\t--version\tPrint version info and exit\n"); | |
fd28ca49 JA |
767 | printf("\t--help\t\tPrint this page\n"); |
768 | printf("\t--cmdhelp=cmd\tPrint command help, \"all\" for all of them\n"); | |
cca73aa7 | 769 | printf("\t--showcmd\tTurn a job file into command line options\n"); |
e592a06b AC |
770 | printf("\t--eta=when\tWhen ETA estimate should be printed\n"); |
771 | printf("\t \tMay be \"always\", \"never\" or \"auto\"\n"); | |
4785f995 JA |
772 | } |
773 | ||
972cfd25 | 774 | static int parse_cmd_line(int argc, char *argv[]) |
ebac4655 | 775 | { |
b4692828 | 776 | struct thread_data *td = NULL; |
b1ec1da6 | 777 | int c, ini_idx = 0, lidx, ret, dont_add_job = 0; |
ebac4655 | 778 | |
0be06ea2 | 779 | while ((c = getopt_long_only(argc, argv, "", long_options, &lidx)) != -1) { |
ebac4655 | 780 | switch (c) { |
b4692828 JA |
781 | case 't': |
782 | def_timeout = atoi(optarg); | |
783 | break; | |
784 | case 'l': | |
785 | write_lat_log = 1; | |
786 | break; | |
787 | case 'w': | |
788 | write_bw_log = 1; | |
789 | break; | |
790 | case 'o': | |
791 | f_out = fopen(optarg, "w+"); | |
792 | if (!f_out) { | |
793 | perror("fopen output"); | |
794 | exit(1); | |
795 | } | |
796 | f_err = f_out; | |
797 | break; | |
798 | case 'm': | |
799 | terse_output = 1; | |
800 | break; | |
801 | case 'h': | |
45378b35 | 802 | usage(argv[0]); |
b4692828 | 803 | exit(0); |
fd28ca49 | 804 | case 'c': |
214e1eca | 805 | exit(fio_show_option_help(optarg)); |
cca73aa7 JA |
806 | case 's': |
807 | dump_cmdline = 1; | |
808 | break; | |
724e4435 JA |
809 | case 'r': |
810 | read_only = 1; | |
811 | break; | |
b4692828 JA |
812 | case 'v': |
813 | printf("%s\n", fio_version_string); | |
814 | exit(0); | |
e592a06b AC |
815 | case 'e': |
816 | if (!strcmp("always", optarg)) | |
817 | eta_print = FIO_ETA_ALWAYS; | |
818 | else if (!strcmp("never", optarg)) | |
819 | eta_print = FIO_ETA_NEVER; | |
820 | break; | |
b4692828 JA |
821 | case FIO_GETOPT_JOB: { |
822 | const char *opt = long_options[lidx].name; | |
823 | char *val = optarg; | |
824 | ||
c2b1e753 | 825 | if (!strncmp(opt, "name", 4) && td) { |
2dc1bbeb | 826 | ret = add_job(td, td->o.name ?: "fio", 0); |
c2b1e753 JA |
827 | if (ret) { |
828 | put_job(td); | |
829 | return 0; | |
830 | } | |
831 | td = NULL; | |
832 | } | |
b4692828 | 833 | if (!td) { |
3106f220 JA |
834 | int global = 0; |
835 | ||
836 | if (strncmp(opt, "name", 4) || | |
837 | !strncmp(val, "global", 6)) | |
838 | global = 1; | |
c2b1e753 JA |
839 | |
840 | td = get_new_job(global, &def_thread); | |
b4692828 JA |
841 | if (!td) |
842 | return 0; | |
843 | } | |
38d0adb0 | 844 | |
214e1eca | 845 | ret = fio_cmd_option_parse(td, opt, val); |
78217dfa | 846 | if (ret) |
b1ec1da6 | 847 | dont_add_job = 1; |
b4692828 JA |
848 | break; |
849 | } | |
850 | default: | |
b4692828 | 851 | break; |
ebac4655 JA |
852 | } |
853 | } | |
c9fad893 | 854 | |
b4692828 | 855 | if (td) { |
b1ec1da6 | 856 | if (dont_add_job) |
b4692828 | 857 | put_job(td); |
b1ec1da6 | 858 | else { |
2dc1bbeb | 859 | ret = add_job(td, td->o.name ?: "fio", 0); |
b1ec1da6 JA |
860 | if (ret) |
861 | put_job(td); | |
862 | } | |
972cfd25 | 863 | } |
774a6177 | 864 | |
b4692828 JA |
865 | while (optind < argc) { |
866 | ini_idx++; | |
867 | ini_file = realloc(ini_file, ini_idx * sizeof(char *)); | |
868 | ini_file[ini_idx - 1] = strdup(argv[optind]); | |
869 | optind++; | |
eb8bbf48 | 870 | } |
972cfd25 JA |
871 | |
872 | return ini_idx; | |
ebac4655 JA |
873 | } |
874 | ||
b4692828 | 875 | |
ebac4655 JA |
876 | int parse_options(int argc, char *argv[]) |
877 | { | |
972cfd25 JA |
878 | int job_files, i; |
879 | ||
b4692828 JA |
880 | f_out = stdout; |
881 | f_err = stderr; | |
882 | ||
214e1eca | 883 | fio_options_dup_and_init(long_options); |
b4692828 | 884 | |
ebac4655 JA |
885 | if (setup_thread_area()) |
886 | return 1; | |
887 | if (fill_def_thread()) | |
888 | return 1; | |
889 | ||
972cfd25 | 890 | job_files = parse_cmd_line(argc, argv); |
ebac4655 | 891 | |
972cfd25 JA |
892 | for (i = 0; i < job_files; i++) { |
893 | if (fill_def_thread()) | |
894 | return 1; | |
0c7e37a0 | 895 | if (parse_jobs_ini(ini_file[i], i)) |
972cfd25 | 896 | return 1; |
88c6ed80 | 897 | free(ini_file[i]); |
972cfd25 | 898 | } |
ebac4655 | 899 | |
88c6ed80 | 900 | free(ini_file); |
d23bb327 | 901 | options_mem_free(&def_thread); |
b4692828 JA |
902 | |
903 | if (!thread_number) { | |
cca73aa7 JA |
904 | if (dump_cmdline) |
905 | return 0; | |
906 | ||
b4692828 | 907 | log_err("No jobs defined(s)\n"); |
45378b35 | 908 | usage(argv[0]); |
b4692828 JA |
909 | return 1; |
910 | } | |
911 | ||
ebac4655 JA |
912 | return 0; |
913 | } |