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 | |
b753feb7 | 20 | static char fio_version_string[] = "fio 1.17"; |
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; | |
33 | unsigned long long mlock_size = 0; | |
34 | FILE *f_out = NULL; | |
35 | FILE *f_err = NULL; | |
ee738499 | 36 | |
214e1eca JA |
37 | int write_bw_log = 0; |
38 | ||
39 | static int def_timeout = 0; | |
40 | static int write_lat_log = 0; | |
e1f36503 | 41 | |
214e1eca | 42 | static int prev_group_jobs; |
b4692828 JA |
43 | |
44 | /* | |
45 | * Command line options. These will contain the above, plus a few | |
46 | * extra that only pertain to fio itself and not jobs. | |
47 | */ | |
214e1eca | 48 | static struct option long_options[FIO_NR_OPTIONS] = { |
b4692828 JA |
49 | { |
50 | .name = "output", | |
51 | .has_arg = required_argument, | |
52 | .val = 'o', | |
53 | }, | |
54 | { | |
55 | .name = "timeout", | |
56 | .has_arg = required_argument, | |
57 | .val = 't', | |
58 | }, | |
59 | { | |
60 | .name = "latency-log", | |
61 | .has_arg = required_argument, | |
62 | .val = 'l', | |
63 | }, | |
64 | { | |
65 | .name = "bandwidth-log", | |
66 | .has_arg = required_argument, | |
67 | .val = 'b', | |
68 | }, | |
69 | { | |
70 | .name = "minimal", | |
71 | .has_arg = optional_argument, | |
72 | .val = 'm', | |
73 | }, | |
74 | { | |
75 | .name = "version", | |
76 | .has_arg = no_argument, | |
77 | .val = 'v', | |
78 | }, | |
fd28ca49 JA |
79 | { |
80 | .name = "help", | |
81 | .has_arg = no_argument, | |
82 | .val = 'h', | |
83 | }, | |
84 | { | |
85 | .name = "cmdhelp", | |
320beefe | 86 | .has_arg = optional_argument, |
fd28ca49 JA |
87 | .val = 'c', |
88 | }, | |
cca73aa7 JA |
89 | { |
90 | .name = "showcmd", | |
91 | .has_arg = no_argument, | |
92 | .val = 's' | |
93 | }, | |
b4692828 JA |
94 | { |
95 | .name = NULL, | |
96 | }, | |
97 | }; | |
98 | ||
9728ce37 JB |
99 | FILE *get_f_out() |
100 | { | |
101 | return f_out; | |
102 | } | |
103 | ||
104 | FILE *get_f_err() | |
105 | { | |
106 | return f_err; | |
107 | } | |
108 | ||
906c8d75 JA |
109 | /* |
110 | * Return a free job structure. | |
111 | */ | |
ebac4655 JA |
112 | static struct thread_data *get_new_job(int global, struct thread_data *parent) |
113 | { | |
114 | struct thread_data *td; | |
115 | ||
116 | if (global) | |
117 | return &def_thread; | |
118 | if (thread_number >= max_jobs) | |
119 | return NULL; | |
120 | ||
121 | td = &threads[thread_number++]; | |
ddaeaa5a | 122 | *td = *parent; |
ebac4655 | 123 | |
cade3ef4 | 124 | dup_files(td, parent); |
d23bb327 | 125 | options_mem_dupe(td); |
cade3ef4 | 126 | |
ebac4655 | 127 | td->thread_number = thread_number; |
ebac4655 JA |
128 | return td; |
129 | } | |
130 | ||
131 | static void put_job(struct thread_data *td) | |
132 | { | |
549577a7 JA |
133 | if (td == &def_thread) |
134 | return; | |
135 | ||
16edf25d | 136 | if (td->error) |
6d86144d | 137 | log_info("fio: %s\n", td->verror); |
16edf25d | 138 | |
ebac4655 JA |
139 | memset(&threads[td->thread_number - 1], 0, sizeof(*td)); |
140 | thread_number--; | |
141 | } | |
142 | ||
127f6865 JA |
143 | static int setup_rate(struct thread_data *td) |
144 | { | |
145 | unsigned long nr_reads_per_msec; | |
146 | unsigned long long rate; | |
147 | unsigned int bs; | |
148 | ||
2dc1bbeb | 149 | if (!td->o.rate && !td->o.rate_iops) |
127f6865 JA |
150 | return 0; |
151 | ||
152 | if (td_rw(td)) | |
2dc1bbeb | 153 | bs = td->o.rw_min_bs; |
127f6865 | 154 | else if (td_read(td)) |
2dc1bbeb | 155 | bs = td->o.min_bs[DDIR_READ]; |
127f6865 | 156 | else |
2dc1bbeb | 157 | bs = td->o.min_bs[DDIR_WRITE]; |
127f6865 | 158 | |
2dc1bbeb JA |
159 | if (td->o.rate) { |
160 | rate = td->o.rate; | |
127f6865 JA |
161 | nr_reads_per_msec = (rate * 1024 * 1000LL) / bs; |
162 | } else | |
2dc1bbeb | 163 | nr_reads_per_msec = td->o.rate_iops * 1000UL; |
127f6865 JA |
164 | |
165 | if (!nr_reads_per_msec) { | |
166 | log_err("rate lower than supported\n"); | |
167 | return -1; | |
168 | } | |
169 | ||
170 | td->rate_usec_cycle = 1000000000ULL / nr_reads_per_msec; | |
171 | td->rate_pending_usleep = 0; | |
172 | return 0; | |
173 | } | |
174 | ||
dad915e3 JA |
175 | /* |
176 | * Lazy way of fixing up options that depend on each other. We could also | |
177 | * define option callback handlers, but this is easier. | |
178 | */ | |
4e991c23 | 179 | static int fixup_options(struct thread_data *td) |
e1f36503 | 180 | { |
2dc1bbeb | 181 | struct thread_options *o = &td->o; |
dad915e3 | 182 | |
e47f799f JA |
183 | if (o->rwmix[DDIR_READ] + o->rwmix[DDIR_WRITE] > 100) |
184 | o->rwmix[DDIR_WRITE] = 100 - o->rwmix[DDIR_READ]; | |
2dc1bbeb JA |
185 | |
186 | if (o->write_iolog_file && o->read_iolog_file) { | |
076efc7c | 187 | log_err("fio: read iolog overrides write_iolog\n"); |
2dc1bbeb JA |
188 | free(o->write_iolog_file); |
189 | o->write_iolog_file = NULL; | |
076efc7c | 190 | } |
16b462ae JA |
191 | |
192 | if (td->io_ops->flags & FIO_SYNCIO) | |
2dc1bbeb | 193 | o->iodepth = 1; |
16b462ae | 194 | else { |
2dc1bbeb JA |
195 | if (!o->iodepth) |
196 | o->iodepth = o->open_files; | |
16b462ae JA |
197 | } |
198 | ||
199 | /* | |
200 | * only really works for sequential io for now, and with 1 file | |
201 | */ | |
2dc1bbeb JA |
202 | if (o->zone_size && td_random(td) && o->open_files == 1) |
203 | o->zone_size = 0; | |
16b462ae JA |
204 | |
205 | /* | |
206 | * Reads can do overwrites, we always need to pre-create the file | |
207 | */ | |
208 | if (td_read(td) || td_rw(td)) | |
2dc1bbeb | 209 | o->overwrite = 1; |
16b462ae | 210 | |
2dc1bbeb JA |
211 | if (!o->min_bs[DDIR_READ]) |
212 | o->min_bs[DDIR_READ]= o->bs[DDIR_READ]; | |
213 | if (!o->max_bs[DDIR_READ]) | |
214 | o->max_bs[DDIR_READ] = o->bs[DDIR_READ]; | |
215 | if (!o->min_bs[DDIR_WRITE]) | |
216 | o->min_bs[DDIR_WRITE]= o->bs[DDIR_WRITE]; | |
217 | if (!o->max_bs[DDIR_WRITE]) | |
218 | o->max_bs[DDIR_WRITE] = o->bs[DDIR_WRITE]; | |
a00735e6 | 219 | |
2dc1bbeb | 220 | o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]); |
a00735e6 | 221 | |
2dc1bbeb JA |
222 | if (!o->file_size_high) |
223 | o->file_size_high = o->file_size_low; | |
9c60ce64 | 224 | |
2dc1bbeb | 225 | if (o->norandommap && o->verify != VERIFY_NONE) { |
bb8895e0 | 226 | log_err("fio: norandommap given, verify disabled\n"); |
2dc1bbeb | 227 | o->verify = VERIFY_NONE; |
bb8895e0 | 228 | } |
2dc1bbeb | 229 | if (o->bs_unaligned && (o->odirect || td->io_ops->flags & FIO_RAWIO)) |
690adba3 | 230 | log_err("fio: bs_unaligned may not work with raw io\n"); |
e0a22335 | 231 | |
48097d5c JA |
232 | /* |
233 | * thinktime_spin must be less than thinktime | |
234 | */ | |
2dc1bbeb JA |
235 | if (o->thinktime_spin > o->thinktime) |
236 | o->thinktime_spin = o->thinktime; | |
e916b390 JA |
237 | |
238 | /* | |
239 | * The low water mark cannot be bigger than the iodepth | |
240 | */ | |
2dc1bbeb | 241 | if (o->iodepth_low > o->iodepth || !o->iodepth_low) { |
9467b77c JA |
242 | /* |
243 | * syslet work around - if the workload is sequential, | |
244 | * we want to let the queue drain all the way down to | |
245 | * avoid seeking between async threads | |
246 | */ | |
247 | if (!strcmp(td->io_ops->name, "syslet-rw") && !td_random(td)) | |
2dc1bbeb | 248 | o->iodepth_low = 1; |
9467b77c | 249 | else |
2dc1bbeb | 250 | o->iodepth_low = o->iodepth; |
9467b77c | 251 | } |
cb5ab512 JA |
252 | |
253 | /* | |
254 | * If batch number isn't set, default to the same as iodepth | |
255 | */ | |
2dc1bbeb JA |
256 | if (o->iodepth_batch > o->iodepth || !o->iodepth_batch) |
257 | o->iodepth_batch = o->iodepth; | |
b5af8293 | 258 | |
2dc1bbeb JA |
259 | if (o->nr_files > td->files_index) |
260 | o->nr_files = td->files_index; | |
9f9214f2 | 261 | |
2dc1bbeb JA |
262 | if (o->open_files > o->nr_files || !o->open_files) |
263 | o->open_files = o->nr_files; | |
4e991c23 | 264 | |
2dc1bbeb | 265 | if ((o->rate && o->rate_iops) || (o->ratemin && o->rate_iops_min)) { |
4e991c23 JA |
266 | log_err("fio: rate and rate_iops are mutually exclusive\n"); |
267 | return 1; | |
268 | } | |
2dc1bbeb | 269 | if ((o->rate < o->ratemin) || (o->rate_iops < o->rate_iops_min)) { |
4e991c23 JA |
270 | log_err("fio: minimum rate exceeds rate\n"); |
271 | return 1; | |
272 | } | |
273 | ||
cf4464ca JA |
274 | if (!o->timeout && o->time_based) { |
275 | log_err("fio: time_based requires a runtime/timeout setting\n"); | |
276 | o->time_based = 0; | |
277 | } | |
278 | ||
4e991c23 | 279 | return 0; |
e1f36503 JA |
280 | } |
281 | ||
f8977ee6 JA |
282 | /* |
283 | * This function leaks the buffer | |
284 | */ | |
285 | static char *to_kmg(unsigned int val) | |
286 | { | |
287 | char *buf = malloc(32); | |
f3502ba2 | 288 | char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 }; |
f8977ee6 JA |
289 | char *p = post; |
290 | ||
245142ff | 291 | do { |
f8977ee6 JA |
292 | if (val & 1023) |
293 | break; | |
294 | ||
295 | val >>= 10; | |
296 | p++; | |
245142ff | 297 | } while (*p); |
f8977ee6 JA |
298 | |
299 | snprintf(buf, 31, "%u%c", val, *p); | |
300 | return buf; | |
301 | } | |
302 | ||
09629a90 JA |
303 | /* External engines are specified by "external:name.o") */ |
304 | static const char *get_engine_name(const char *str) | |
305 | { | |
306 | char *p = strstr(str, ":"); | |
307 | ||
308 | if (!p) | |
309 | return str; | |
310 | ||
311 | p++; | |
312 | strip_blank_front(&p); | |
313 | strip_blank_end(p); | |
314 | return p; | |
315 | } | |
316 | ||
e132cbae JA |
317 | static int exists_and_not_file(const char *filename) |
318 | { | |
319 | struct stat sb; | |
320 | ||
321 | if (lstat(filename, &sb) == -1) | |
322 | return 0; | |
323 | ||
324 | if (S_ISREG(sb.st_mode)) | |
325 | return 0; | |
326 | ||
327 | return 1; | |
328 | } | |
329 | ||
9c60ce64 JA |
330 | /* |
331 | * Initialize the various random states we need (random io, block size ranges, | |
332 | * read/write mix, etc). | |
333 | */ | |
334 | static int init_random_state(struct thread_data *td) | |
335 | { | |
336 | unsigned long seeds[6]; | |
68727076 | 337 | int fd; |
9c60ce64 JA |
338 | |
339 | fd = open("/dev/urandom", O_RDONLY); | |
340 | if (fd == -1) { | |
341 | td_verror(td, errno, "open"); | |
342 | return 1; | |
343 | } | |
344 | ||
345 | if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) { | |
346 | td_verror(td, EIO, "read"); | |
347 | close(fd); | |
348 | return 1; | |
349 | } | |
350 | ||
351 | close(fd); | |
352 | ||
353 | os_random_seed(seeds[0], &td->bsrange_state); | |
354 | os_random_seed(seeds[1], &td->verify_state); | |
355 | os_random_seed(seeds[2], &td->rwmix_state); | |
356 | ||
2dc1bbeb | 357 | if (td->o.file_service_type == FIO_FSERVICE_RANDOM) |
9c60ce64 JA |
358 | os_random_seed(seeds[3], &td->next_file_state); |
359 | ||
360 | os_random_seed(seeds[5], &td->file_size_state); | |
361 | ||
362 | if (!td_random(td)) | |
363 | return 0; | |
364 | ||
2dc1bbeb | 365 | if (td->o.rand_repeatable) |
9c60ce64 JA |
366 | seeds[4] = FIO_RANDSEED * td->thread_number; |
367 | ||
9c60ce64 JA |
368 | os_random_seed(seeds[4], &td->random_state); |
369 | return 0; | |
370 | } | |
371 | ||
906c8d75 JA |
372 | /* |
373 | * Adds a job to the list of things todo. Sanitizes the various options | |
374 | * to make sure we don't have conflicts, and initializes various | |
375 | * members of td. | |
376 | */ | |
75154845 | 377 | static int add_job(struct thread_data *td, const char *jobname, int job_add_num) |
ebac4655 | 378 | { |
413dd459 JA |
379 | const char *ddir_str[] = { NULL, "read", "write", "rw", NULL, |
380 | "randread", "randwrite", "randrw" }; | |
af52b345 | 381 | unsigned int i; |
09629a90 | 382 | const char *engine; |
af52b345 | 383 | char fname[PATH_MAX]; |
e132cbae | 384 | int numjobs, file_alloced; |
ebac4655 | 385 | |
ebac4655 JA |
386 | /* |
387 | * the def_thread is just for options, it's not a real job | |
388 | */ | |
389 | if (td == &def_thread) | |
390 | return 0; | |
391 | ||
cca73aa7 JA |
392 | /* |
393 | * if we are just dumping the output command line, don't add the job | |
394 | */ | |
395 | if (dump_cmdline) { | |
396 | put_job(td); | |
397 | return 0; | |
398 | } | |
399 | ||
2dc1bbeb | 400 | engine = get_engine_name(td->o.ioengine); |
09629a90 JA |
401 | td->io_ops = load_ioengine(td, engine); |
402 | if (!td->io_ops) { | |
403 | log_err("fio: failed to load engine %s\n", engine); | |
205927a3 | 404 | goto err; |
09629a90 | 405 | } |
df64119d | 406 | |
2dc1bbeb | 407 | if (td->o.use_thread) |
9cedf167 JA |
408 | nr_thread++; |
409 | else | |
410 | nr_process++; | |
411 | ||
2dc1bbeb | 412 | if (td->o.odirect) |
690adba3 JA |
413 | td->io_ops->flags |= FIO_RAWIO; |
414 | ||
e132cbae | 415 | file_alloced = 0; |
2dc1bbeb | 416 | if (!td->o.filename && !td->files_index) { |
e132cbae | 417 | file_alloced = 1; |
80be24f4 | 418 | |
2dc1bbeb | 419 | if (td->o.nr_files == 1 && exists_and_not_file(jobname)) |
e132cbae | 420 | add_file(td, jobname); |
7b05a215 | 421 | else { |
2dc1bbeb | 422 | for (i = 0; i < td->o.nr_files; i++) { |
e132cbae | 423 | sprintf(fname, "%s.%d.%d", jobname, td->thread_number, i); |
7b05a215 JA |
424 | add_file(td, fname); |
425 | } | |
af52b345 | 426 | } |
0af7b542 | 427 | } |
ebac4655 | 428 | |
4e991c23 JA |
429 | if (fixup_options(td)) |
430 | goto err; | |
e0a22335 | 431 | |
07eb79df JA |
432 | if (td->io_ops->flags & FIO_DISKLESSIO) { |
433 | struct fio_file *f; | |
434 | ||
435 | for_each_file(td, f, i) | |
436 | f->real_file_size = -1ULL; | |
437 | } | |
438 | ||
07739b57 | 439 | td->mutex = fio_sem_init(0); |
ebac4655 | 440 | |
756867bd JA |
441 | td->ts.clat_stat[0].min_val = td->ts.clat_stat[1].min_val = ULONG_MAX; |
442 | td->ts.slat_stat[0].min_val = td->ts.slat_stat[1].min_val = ULONG_MAX; | |
443 | td->ts.bw_stat[0].min_val = td->ts.bw_stat[1].min_val = ULONG_MAX; | |
1e3d53ac | 444 | td->ddir_nr = td->o.ddir_nr; |
ebac4655 | 445 | |
b3d62a75 JA |
446 | if ((td->o.stonewall || td->o.numjobs > 1 || td->o.new_group) |
447 | && prev_group_jobs) { | |
3c5df6fa | 448 | prev_group_jobs = 0; |
ebac4655 | 449 | groupid++; |
3c5df6fa | 450 | } |
ebac4655 JA |
451 | |
452 | td->groupid = groupid; | |
3c5df6fa | 453 | prev_group_jobs++; |
ebac4655 | 454 | |
9c60ce64 JA |
455 | if (init_random_state(td)) |
456 | goto err; | |
457 | ||
ebac4655 JA |
458 | if (setup_rate(td)) |
459 | goto err; | |
460 | ||
2dc1bbeb | 461 | if (td->o.write_lat_log) { |
756867bd JA |
462 | setup_log(&td->ts.slat_log); |
463 | setup_log(&td->ts.clat_log); | |
ebac4655 | 464 | } |
2dc1bbeb | 465 | if (td->o.write_bw_log) |
756867bd | 466 | setup_log(&td->ts.bw_log); |
ebac4655 | 467 | |
2dc1bbeb JA |
468 | if (!td->o.name) |
469 | td->o.name = strdup(jobname); | |
01452055 | 470 | |
c6ae0a5b | 471 | if (!terse_output) { |
b990b5c0 | 472 | if (!job_add_num) { |
ba0fbe10 | 473 | if (!strcmp(td->io_ops->name, "cpuio")) |
2dc1bbeb | 474 | log_info("%s: ioengine=cpu, cpuload=%u, cpucycle=%u\n", td->o.name, td->o.cpuload, td->o.cpucycle); |
f8977ee6 JA |
475 | else { |
476 | char *c1, *c2, *c3, *c4; | |
477 | ||
2dc1bbeb JA |
478 | c1 = to_kmg(td->o.min_bs[DDIR_READ]); |
479 | c2 = to_kmg(td->o.max_bs[DDIR_READ]); | |
480 | c3 = to_kmg(td->o.min_bs[DDIR_WRITE]); | |
481 | c4 = to_kmg(td->o.max_bs[DDIR_WRITE]); | |
f8977ee6 | 482 | |
2dc1bbeb | 483 | log_info("%s: (g=%d): rw=%s, bs=%s-%s/%s-%s, ioengine=%s, iodepth=%u\n", td->o.name, td->groupid, ddir_str[td->o.td_ddir], c1, c2, c3, c4, td->io_ops->name, td->o.iodepth); |
f8977ee6 JA |
484 | |
485 | free(c1); | |
486 | free(c2); | |
487 | free(c3); | |
488 | free(c4); | |
489 | } | |
b990b5c0 | 490 | } else if (job_add_num == 1) |
6d86144d | 491 | log_info("...\n"); |
c6ae0a5b | 492 | } |
ebac4655 JA |
493 | |
494 | /* | |
495 | * recurse add identical jobs, clear numjobs and stonewall options | |
496 | * as they don't apply to sub-jobs | |
497 | */ | |
2dc1bbeb | 498 | numjobs = td->o.numjobs; |
ebac4655 JA |
499 | while (--numjobs) { |
500 | struct thread_data *td_new = get_new_job(0, td); | |
501 | ||
502 | if (!td_new) | |
503 | goto err; | |
504 | ||
2dc1bbeb JA |
505 | td_new->o.numjobs = 1; |
506 | td_new->o.stonewall = 0; | |
92c1d41f | 507 | td_new->o.new_group = 0; |
e132cbae JA |
508 | |
509 | if (file_alloced) { | |
2dc1bbeb | 510 | td_new->o.filename = NULL; |
e132cbae JA |
511 | td_new->files_index = 0; |
512 | td_new->files = NULL; | |
513 | } | |
514 | ||
75154845 | 515 | job_add_num = numjobs - 1; |
ebac4655 | 516 | |
75154845 | 517 | if (add_job(td_new, jobname, job_add_num)) |
ebac4655 JA |
518 | goto err; |
519 | } | |
3c5df6fa | 520 | |
ebac4655 JA |
521 | return 0; |
522 | err: | |
523 | put_job(td); | |
524 | return -1; | |
525 | } | |
526 | ||
ebac4655 JA |
527 | static int is_empty_or_comment(char *line) |
528 | { | |
529 | unsigned int i; | |
530 | ||
531 | for (i = 0; i < strlen(line); i++) { | |
532 | if (line[i] == ';') | |
533 | return 1; | |
5cc2da30 IM |
534 | if (line[i] == '#') |
535 | return 1; | |
ebac4655 JA |
536 | if (!isspace(line[i]) && !iscntrl(line[i])) |
537 | return 0; | |
538 | } | |
539 | ||
540 | return 1; | |
541 | } | |
542 | ||
07261983 JA |
543 | /* |
544 | * This is our [ini] type file parser. | |
545 | */ | |
1e97cce9 | 546 | static int parse_jobs_ini(char *file, int stonewall_flag) |
ebac4655 | 547 | { |
e1f36503 | 548 | unsigned int global; |
ebac4655 | 549 | struct thread_data *td; |
fee3bb48 | 550 | char *string, *name; |
ebac4655 JA |
551 | fpos_t off; |
552 | FILE *f; | |
553 | char *p; | |
0c7e37a0 | 554 | int ret = 0, stonewall; |
097b2991 | 555 | int first_sect = 1; |
ebac4655 JA |
556 | |
557 | f = fopen(file, "r"); | |
558 | if (!f) { | |
aea47d44 | 559 | perror("fopen job file"); |
ebac4655 JA |
560 | return 1; |
561 | } | |
562 | ||
563 | string = malloc(4096); | |
7f7e6e59 JA |
564 | |
565 | /* | |
566 | * it's really 256 + small bit, 280 should suffice | |
567 | */ | |
568 | name = malloc(280); | |
569 | memset(name, 0, 280); | |
ebac4655 | 570 | |
0c7e37a0 | 571 | stonewall = stonewall_flag; |
7c124ac1 JA |
572 | do { |
573 | p = fgets(string, 4095, f); | |
574 | if (!p) | |
45410acb | 575 | break; |
cdc7f193 | 576 | |
577 | strip_blank_front(&p); | |
6c7c7da1 | 578 | strip_blank_end(p); |
cdc7f193 | 579 | |
ebac4655 JA |
580 | if (is_empty_or_comment(p)) |
581 | continue; | |
6c7c7da1 | 582 | if (sscanf(p, "[%255s]", name) != 1) { |
088b4207 JA |
583 | log_err("fio: option <%s> outside of [] job section\n", p); |
584 | break; | |
6c7c7da1 | 585 | } |
ebac4655 JA |
586 | |
587 | global = !strncmp(name, "global", 6); | |
588 | ||
589 | name[strlen(name) - 1] = '\0'; | |
590 | ||
cca73aa7 | 591 | if (dump_cmdline) { |
097b2991 JA |
592 | if (first_sect) |
593 | log_info("fio "); | |
cca73aa7 JA |
594 | if (!global) |
595 | log_info("--name=%s ", name); | |
097b2991 | 596 | first_sect = 0; |
cca73aa7 JA |
597 | } |
598 | ||
ebac4655 | 599 | td = get_new_job(global, &def_thread); |
45410acb JA |
600 | if (!td) { |
601 | ret = 1; | |
602 | break; | |
603 | } | |
ebac4655 | 604 | |
972cfd25 JA |
605 | /* |
606 | * Seperate multiple job files by a stonewall | |
607 | */ | |
f9481919 | 608 | if (!global && stonewall) { |
2dc1bbeb | 609 | td->o.stonewall = stonewall; |
972cfd25 JA |
610 | stonewall = 0; |
611 | } | |
612 | ||
ebac4655 JA |
613 | fgetpos(f, &off); |
614 | while ((p = fgets(string, 4096, f)) != NULL) { | |
615 | if (is_empty_or_comment(p)) | |
616 | continue; | |
e1f36503 | 617 | |
b6754f9d | 618 | strip_blank_front(&p); |
7c124ac1 JA |
619 | |
620 | if (p[0] == '[') | |
621 | break; | |
622 | ||
4ae3f763 | 623 | strip_blank_end(p); |
aea47d44 | 624 | |
e1f36503 | 625 | fgetpos(f, &off); |
ebac4655 | 626 | |
45410acb JA |
627 | /* |
628 | * Don't break here, continue parsing options so we | |
629 | * dump all the bad ones. Makes trial/error fixups | |
630 | * easier on the user. | |
631 | */ | |
214e1eca | 632 | ret |= fio_option_parse(td, p); |
cca73aa7 JA |
633 | if (!ret && dump_cmdline) |
634 | log_info("--%s ", p); | |
ebac4655 | 635 | } |
ebac4655 | 636 | |
45410acb JA |
637 | if (!ret) { |
638 | fsetpos(f, &off); | |
639 | ret = add_job(td, name, 0); | |
b1508cf9 JA |
640 | } else { |
641 | log_err("fio: job %s dropped\n", name); | |
642 | put_job(td); | |
45410acb | 643 | } |
7c124ac1 | 644 | } while (!ret); |
ebac4655 | 645 | |
cca73aa7 JA |
646 | if (dump_cmdline) |
647 | log_info("\n"); | |
648 | ||
ebac4655 JA |
649 | free(string); |
650 | free(name); | |
651 | fclose(f); | |
45410acb | 652 | return ret; |
ebac4655 JA |
653 | } |
654 | ||
655 | static int fill_def_thread(void) | |
656 | { | |
657 | memset(&def_thread, 0, sizeof(def_thread)); | |
658 | ||
375b2695 | 659 | fio_getaffinity(getpid(), &def_thread.o.cpumask); |
ebac4655 JA |
660 | |
661 | /* | |
ee738499 | 662 | * fill default options |
ebac4655 | 663 | */ |
214e1eca | 664 | fio_fill_default_options(&def_thread); |
ee738499 | 665 | |
2dc1bbeb JA |
666 | def_thread.o.timeout = def_timeout; |
667 | def_thread.o.write_bw_log = write_bw_log; | |
668 | def_thread.o.write_lat_log = write_lat_log; | |
ee738499 | 669 | |
ebac4655 JA |
670 | return 0; |
671 | } | |
672 | ||
214e1eca JA |
673 | static void free_shm(void) |
674 | { | |
675 | struct shmid_ds sbuf; | |
676 | ||
677 | if (threads) { | |
678 | shmdt((void *) threads); | |
679 | threads = NULL; | |
680 | shmctl(shm_id, IPC_RMID, &sbuf); | |
681 | } | |
682 | } | |
683 | ||
684 | /* | |
685 | * The thread area is shared between the main process and the job | |
686 | * threads/processes. So setup a shared memory segment that will hold | |
687 | * all the job info. | |
688 | */ | |
689 | static int setup_thread_area(void) | |
690 | { | |
691 | /* | |
692 | * 1024 is too much on some machines, scale max_jobs if | |
693 | * we get a failure that looks like too large a shm segment | |
694 | */ | |
695 | do { | |
696 | size_t size = max_jobs * sizeof(struct thread_data); | |
697 | ||
698 | shm_id = shmget(0, size, IPC_CREAT | 0600); | |
699 | if (shm_id != -1) | |
700 | break; | |
701 | if (errno != EINVAL) { | |
702 | perror("shmget"); | |
703 | break; | |
704 | } | |
705 | ||
706 | max_jobs >>= 1; | |
707 | } while (max_jobs); | |
708 | ||
709 | if (shm_id == -1) | |
710 | return 1; | |
711 | ||
712 | threads = shmat(shm_id, NULL, 0); | |
713 | if (threads == (void *) -1) { | |
714 | perror("shmat"); | |
715 | return 1; | |
716 | } | |
717 | ||
718 | atexit(free_shm); | |
719 | return 0; | |
720 | } | |
721 | ||
0ab8db89 | 722 | static void usage(void) |
4785f995 JA |
723 | { |
724 | printf("%s\n", fio_version_string); | |
b4692828 JA |
725 | printf("\t--output\tWrite output to file\n"); |
726 | printf("\t--timeout\tRuntime in seconds\n"); | |
727 | printf("\t--latency-log\tGenerate per-job latency logs\n"); | |
728 | printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n"); | |
729 | printf("\t--minimal\tMinimal (terse) output\n"); | |
730 | printf("\t--version\tPrint version info and exit\n"); | |
fd28ca49 JA |
731 | printf("\t--help\t\tPrint this page\n"); |
732 | printf("\t--cmdhelp=cmd\tPrint command help, \"all\" for all of them\n"); | |
cca73aa7 | 733 | printf("\t--showcmd\tTurn a job file into command line options\n"); |
4785f995 JA |
734 | } |
735 | ||
972cfd25 | 736 | static int parse_cmd_line(int argc, char *argv[]) |
ebac4655 | 737 | { |
b4692828 | 738 | struct thread_data *td = NULL; |
b1ec1da6 | 739 | int c, ini_idx = 0, lidx, ret, dont_add_job = 0; |
ebac4655 | 740 | |
0be06ea2 | 741 | while ((c = getopt_long_only(argc, argv, "", long_options, &lidx)) != -1) { |
ebac4655 | 742 | switch (c) { |
b4692828 JA |
743 | case 't': |
744 | def_timeout = atoi(optarg); | |
745 | break; | |
746 | case 'l': | |
747 | write_lat_log = 1; | |
748 | break; | |
749 | case 'w': | |
750 | write_bw_log = 1; | |
751 | break; | |
752 | case 'o': | |
753 | f_out = fopen(optarg, "w+"); | |
754 | if (!f_out) { | |
755 | perror("fopen output"); | |
756 | exit(1); | |
757 | } | |
758 | f_err = f_out; | |
759 | break; | |
760 | case 'm': | |
761 | terse_output = 1; | |
762 | break; | |
763 | case 'h': | |
764 | usage(); | |
765 | exit(0); | |
fd28ca49 | 766 | case 'c': |
214e1eca | 767 | exit(fio_show_option_help(optarg)); |
cca73aa7 JA |
768 | case 's': |
769 | dump_cmdline = 1; | |
770 | break; | |
b4692828 JA |
771 | case 'v': |
772 | printf("%s\n", fio_version_string); | |
773 | exit(0); | |
774 | case FIO_GETOPT_JOB: { | |
775 | const char *opt = long_options[lidx].name; | |
776 | char *val = optarg; | |
777 | ||
c2b1e753 | 778 | if (!strncmp(opt, "name", 4) && td) { |
2dc1bbeb | 779 | ret = add_job(td, td->o.name ?: "fio", 0); |
c2b1e753 JA |
780 | if (ret) { |
781 | put_job(td); | |
782 | return 0; | |
783 | } | |
784 | td = NULL; | |
785 | } | |
b4692828 | 786 | if (!td) { |
3106f220 JA |
787 | int global = 0; |
788 | ||
789 | if (strncmp(opt, "name", 4) || | |
790 | !strncmp(val, "global", 6)) | |
791 | global = 1; | |
c2b1e753 JA |
792 | |
793 | td = get_new_job(global, &def_thread); | |
b4692828 JA |
794 | if (!td) |
795 | return 0; | |
796 | } | |
38d0adb0 | 797 | |
214e1eca | 798 | ret = fio_cmd_option_parse(td, opt, val); |
78217dfa | 799 | if (ret) |
b1ec1da6 | 800 | dont_add_job = 1; |
b4692828 JA |
801 | break; |
802 | } | |
803 | default: | |
b4692828 | 804 | break; |
ebac4655 JA |
805 | } |
806 | } | |
c9fad893 | 807 | |
b4692828 | 808 | if (td) { |
b1ec1da6 | 809 | if (dont_add_job) |
b4692828 | 810 | put_job(td); |
b1ec1da6 | 811 | else { |
2dc1bbeb | 812 | ret = add_job(td, td->o.name ?: "fio", 0); |
b1ec1da6 JA |
813 | if (ret) |
814 | put_job(td); | |
815 | } | |
972cfd25 | 816 | } |
774a6177 | 817 | |
b4692828 JA |
818 | while (optind < argc) { |
819 | ini_idx++; | |
820 | ini_file = realloc(ini_file, ini_idx * sizeof(char *)); | |
821 | ini_file[ini_idx - 1] = strdup(argv[optind]); | |
822 | optind++; | |
eb8bbf48 | 823 | } |
972cfd25 JA |
824 | |
825 | return ini_idx; | |
ebac4655 JA |
826 | } |
827 | ||
b4692828 | 828 | |
ebac4655 JA |
829 | int parse_options(int argc, char *argv[]) |
830 | { | |
972cfd25 JA |
831 | int job_files, i; |
832 | ||
b4692828 JA |
833 | f_out = stdout; |
834 | f_err = stderr; | |
835 | ||
214e1eca | 836 | fio_options_dup_and_init(long_options); |
b4692828 | 837 | |
ebac4655 JA |
838 | if (setup_thread_area()) |
839 | return 1; | |
840 | if (fill_def_thread()) | |
841 | return 1; | |
842 | ||
972cfd25 | 843 | job_files = parse_cmd_line(argc, argv); |
ebac4655 | 844 | |
972cfd25 JA |
845 | for (i = 0; i < job_files; i++) { |
846 | if (fill_def_thread()) | |
847 | return 1; | |
0c7e37a0 | 848 | if (parse_jobs_ini(ini_file[i], i)) |
972cfd25 | 849 | return 1; |
88c6ed80 | 850 | free(ini_file[i]); |
972cfd25 | 851 | } |
ebac4655 | 852 | |
88c6ed80 | 853 | free(ini_file); |
d23bb327 | 854 | options_mem_free(&def_thread); |
b4692828 JA |
855 | |
856 | if (!thread_number) { | |
cca73aa7 JA |
857 | if (dump_cmdline) |
858 | return 0; | |
859 | ||
b4692828 | 860 | log_err("No jobs defined(s)\n"); |
b4692828 JA |
861 | return 1; |
862 | } | |
863 | ||
ebac4655 JA |
864 | return 0; |
865 | } |