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 | |
97cc1a8c | 20 | static char fio_version_string[] = "fio 1.15"; |
214e1eca | 21 | |
ee738499 | 22 | #define FIO_RANDSEED (0xb1899bedUL) |
ebac4655 | 23 | |
214e1eca JA |
24 | static char **ini_file; |
25 | static int max_jobs = MAX_JOBS; | |
e1f36503 | 26 | |
214e1eca JA |
27 | struct thread_data def_thread; |
28 | struct thread_data *threads = NULL; | |
e1f36503 | 29 | |
214e1eca JA |
30 | int exitall_on_terminate = 0; |
31 | int terse_output = 0; | |
32 | unsigned long long mlock_size = 0; | |
33 | FILE *f_out = NULL; | |
34 | FILE *f_err = NULL; | |
ee738499 | 35 | |
214e1eca JA |
36 | int write_bw_log = 0; |
37 | ||
38 | static int def_timeout = 0; | |
39 | static int write_lat_log = 0; | |
e1f36503 | 40 | |
214e1eca | 41 | static int prev_group_jobs; |
b4692828 JA |
42 | |
43 | /* | |
44 | * Command line options. These will contain the above, plus a few | |
45 | * extra that only pertain to fio itself and not jobs. | |
46 | */ | |
214e1eca | 47 | static struct option long_options[FIO_NR_OPTIONS] = { |
b4692828 JA |
48 | { |
49 | .name = "output", | |
50 | .has_arg = required_argument, | |
51 | .val = 'o', | |
52 | }, | |
53 | { | |
54 | .name = "timeout", | |
55 | .has_arg = required_argument, | |
56 | .val = 't', | |
57 | }, | |
58 | { | |
59 | .name = "latency-log", | |
60 | .has_arg = required_argument, | |
61 | .val = 'l', | |
62 | }, | |
63 | { | |
64 | .name = "bandwidth-log", | |
65 | .has_arg = required_argument, | |
66 | .val = 'b', | |
67 | }, | |
68 | { | |
69 | .name = "minimal", | |
70 | .has_arg = optional_argument, | |
71 | .val = 'm', | |
72 | }, | |
73 | { | |
74 | .name = "version", | |
75 | .has_arg = no_argument, | |
76 | .val = 'v', | |
77 | }, | |
fd28ca49 JA |
78 | { |
79 | .name = "help", | |
80 | .has_arg = no_argument, | |
81 | .val = 'h', | |
82 | }, | |
83 | { | |
84 | .name = "cmdhelp", | |
320beefe | 85 | .has_arg = optional_argument, |
fd28ca49 JA |
86 | .val = 'c', |
87 | }, | |
b4692828 JA |
88 | { |
89 | .name = NULL, | |
90 | }, | |
91 | }; | |
92 | ||
9728ce37 JB |
93 | FILE *get_f_out() |
94 | { | |
95 | return f_out; | |
96 | } | |
97 | ||
98 | FILE *get_f_err() | |
99 | { | |
100 | return f_err; | |
101 | } | |
102 | ||
906c8d75 JA |
103 | /* |
104 | * Return a free job structure. | |
105 | */ | |
ebac4655 JA |
106 | static struct thread_data *get_new_job(int global, struct thread_data *parent) |
107 | { | |
108 | struct thread_data *td; | |
109 | ||
110 | if (global) | |
111 | return &def_thread; | |
112 | if (thread_number >= max_jobs) | |
113 | return NULL; | |
114 | ||
115 | td = &threads[thread_number++]; | |
ddaeaa5a | 116 | *td = *parent; |
ebac4655 | 117 | |
cade3ef4 | 118 | dup_files(td, parent); |
d23bb327 | 119 | options_mem_dupe(td); |
cade3ef4 | 120 | |
ebac4655 | 121 | td->thread_number = thread_number; |
ebac4655 JA |
122 | return td; |
123 | } | |
124 | ||
125 | static void put_job(struct thread_data *td) | |
126 | { | |
549577a7 JA |
127 | if (td == &def_thread) |
128 | return; | |
129 | ||
16edf25d | 130 | if (td->error) |
6d86144d | 131 | log_info("fio: %s\n", td->verror); |
16edf25d | 132 | |
ebac4655 JA |
133 | memset(&threads[td->thread_number - 1], 0, sizeof(*td)); |
134 | thread_number--; | |
135 | } | |
136 | ||
127f6865 JA |
137 | static int setup_rate(struct thread_data *td) |
138 | { | |
139 | unsigned long nr_reads_per_msec; | |
140 | unsigned long long rate; | |
141 | unsigned int bs; | |
142 | ||
2dc1bbeb | 143 | if (!td->o.rate && !td->o.rate_iops) |
127f6865 JA |
144 | return 0; |
145 | ||
146 | if (td_rw(td)) | |
2dc1bbeb | 147 | bs = td->o.rw_min_bs; |
127f6865 | 148 | else if (td_read(td)) |
2dc1bbeb | 149 | bs = td->o.min_bs[DDIR_READ]; |
127f6865 | 150 | else |
2dc1bbeb | 151 | bs = td->o.min_bs[DDIR_WRITE]; |
127f6865 | 152 | |
2dc1bbeb JA |
153 | if (td->o.rate) { |
154 | rate = td->o.rate; | |
127f6865 JA |
155 | nr_reads_per_msec = (rate * 1024 * 1000LL) / bs; |
156 | } else | |
2dc1bbeb | 157 | nr_reads_per_msec = td->o.rate_iops * 1000UL; |
127f6865 JA |
158 | |
159 | if (!nr_reads_per_msec) { | |
160 | log_err("rate lower than supported\n"); | |
161 | return -1; | |
162 | } | |
163 | ||
164 | td->rate_usec_cycle = 1000000000ULL / nr_reads_per_msec; | |
165 | td->rate_pending_usleep = 0; | |
166 | return 0; | |
167 | } | |
168 | ||
dad915e3 JA |
169 | /* |
170 | * Lazy way of fixing up options that depend on each other. We could also | |
171 | * define option callback handlers, but this is easier. | |
172 | */ | |
4e991c23 | 173 | static int fixup_options(struct thread_data *td) |
e1f36503 | 174 | { |
2dc1bbeb | 175 | struct thread_options *o = &td->o; |
dad915e3 | 176 | |
e47f799f JA |
177 | if (o->rwmix[DDIR_READ] + o->rwmix[DDIR_WRITE] > 100) |
178 | o->rwmix[DDIR_WRITE] = 100 - o->rwmix[DDIR_READ]; | |
2dc1bbeb JA |
179 | |
180 | if (o->write_iolog_file && o->read_iolog_file) { | |
076efc7c | 181 | log_err("fio: read iolog overrides write_iolog\n"); |
2dc1bbeb JA |
182 | free(o->write_iolog_file); |
183 | o->write_iolog_file = NULL; | |
076efc7c | 184 | } |
16b462ae JA |
185 | |
186 | if (td->io_ops->flags & FIO_SYNCIO) | |
2dc1bbeb | 187 | o->iodepth = 1; |
16b462ae | 188 | else { |
2dc1bbeb JA |
189 | if (!o->iodepth) |
190 | o->iodepth = o->open_files; | |
16b462ae JA |
191 | } |
192 | ||
193 | /* | |
194 | * only really works for sequential io for now, and with 1 file | |
195 | */ | |
2dc1bbeb JA |
196 | if (o->zone_size && td_random(td) && o->open_files == 1) |
197 | o->zone_size = 0; | |
16b462ae JA |
198 | |
199 | /* | |
200 | * Reads can do overwrites, we always need to pre-create the file | |
201 | */ | |
202 | if (td_read(td) || td_rw(td)) | |
2dc1bbeb | 203 | o->overwrite = 1; |
16b462ae | 204 | |
2dc1bbeb JA |
205 | if (!o->min_bs[DDIR_READ]) |
206 | o->min_bs[DDIR_READ]= o->bs[DDIR_READ]; | |
207 | if (!o->max_bs[DDIR_READ]) | |
208 | o->max_bs[DDIR_READ] = o->bs[DDIR_READ]; | |
209 | if (!o->min_bs[DDIR_WRITE]) | |
210 | o->min_bs[DDIR_WRITE]= o->bs[DDIR_WRITE]; | |
211 | if (!o->max_bs[DDIR_WRITE]) | |
212 | o->max_bs[DDIR_WRITE] = o->bs[DDIR_WRITE]; | |
a00735e6 | 213 | |
2dc1bbeb | 214 | o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]); |
a00735e6 | 215 | |
2dc1bbeb JA |
216 | if (!o->file_size_high) |
217 | o->file_size_high = o->file_size_low; | |
9c60ce64 | 218 | |
16b462ae | 219 | if (td_read(td) && !td_rw(td)) |
2dc1bbeb | 220 | o->verify = 0; |
bb8895e0 | 221 | |
2dc1bbeb | 222 | if (o->norandommap && o->verify != VERIFY_NONE) { |
bb8895e0 | 223 | log_err("fio: norandommap given, verify disabled\n"); |
2dc1bbeb | 224 | o->verify = VERIFY_NONE; |
bb8895e0 | 225 | } |
2dc1bbeb | 226 | if (o->bs_unaligned && (o->odirect || td->io_ops->flags & FIO_RAWIO)) |
690adba3 | 227 | log_err("fio: bs_unaligned may not work with raw io\n"); |
e0a22335 | 228 | |
48097d5c JA |
229 | /* |
230 | * thinktime_spin must be less than thinktime | |
231 | */ | |
2dc1bbeb JA |
232 | if (o->thinktime_spin > o->thinktime) |
233 | o->thinktime_spin = o->thinktime; | |
e916b390 JA |
234 | |
235 | /* | |
236 | * The low water mark cannot be bigger than the iodepth | |
237 | */ | |
2dc1bbeb | 238 | if (o->iodepth_low > o->iodepth || !o->iodepth_low) { |
9467b77c JA |
239 | /* |
240 | * syslet work around - if the workload is sequential, | |
241 | * we want to let the queue drain all the way down to | |
242 | * avoid seeking between async threads | |
243 | */ | |
244 | if (!strcmp(td->io_ops->name, "syslet-rw") && !td_random(td)) | |
2dc1bbeb | 245 | o->iodepth_low = 1; |
9467b77c | 246 | else |
2dc1bbeb | 247 | o->iodepth_low = o->iodepth; |
9467b77c | 248 | } |
cb5ab512 JA |
249 | |
250 | /* | |
251 | * If batch number isn't set, default to the same as iodepth | |
252 | */ | |
2dc1bbeb JA |
253 | if (o->iodepth_batch > o->iodepth || !o->iodepth_batch) |
254 | o->iodepth_batch = o->iodepth; | |
b5af8293 | 255 | |
2dc1bbeb JA |
256 | if (o->nr_files > td->files_index) |
257 | o->nr_files = td->files_index; | |
9f9214f2 | 258 | |
2dc1bbeb JA |
259 | if (o->open_files > o->nr_files || !o->open_files) |
260 | o->open_files = o->nr_files; | |
4e991c23 | 261 | |
2dc1bbeb | 262 | if ((o->rate && o->rate_iops) || (o->ratemin && o->rate_iops_min)) { |
4e991c23 JA |
263 | log_err("fio: rate and rate_iops are mutually exclusive\n"); |
264 | return 1; | |
265 | } | |
2dc1bbeb | 266 | if ((o->rate < o->ratemin) || (o->rate_iops < o->rate_iops_min)) { |
4e991c23 JA |
267 | log_err("fio: minimum rate exceeds rate\n"); |
268 | return 1; | |
269 | } | |
270 | ||
271 | return 0; | |
e1f36503 JA |
272 | } |
273 | ||
f8977ee6 JA |
274 | /* |
275 | * This function leaks the buffer | |
276 | */ | |
277 | static char *to_kmg(unsigned int val) | |
278 | { | |
279 | char *buf = malloc(32); | |
f3502ba2 | 280 | char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 }; |
f8977ee6 JA |
281 | char *p = post; |
282 | ||
245142ff | 283 | do { |
f8977ee6 JA |
284 | if (val & 1023) |
285 | break; | |
286 | ||
287 | val >>= 10; | |
288 | p++; | |
245142ff | 289 | } while (*p); |
f8977ee6 JA |
290 | |
291 | snprintf(buf, 31, "%u%c", val, *p); | |
292 | return buf; | |
293 | } | |
294 | ||
09629a90 JA |
295 | /* External engines are specified by "external:name.o") */ |
296 | static const char *get_engine_name(const char *str) | |
297 | { | |
298 | char *p = strstr(str, ":"); | |
299 | ||
300 | if (!p) | |
301 | return str; | |
302 | ||
303 | p++; | |
304 | strip_blank_front(&p); | |
305 | strip_blank_end(p); | |
306 | return p; | |
307 | } | |
308 | ||
e132cbae JA |
309 | static int exists_and_not_file(const char *filename) |
310 | { | |
311 | struct stat sb; | |
312 | ||
313 | if (lstat(filename, &sb) == -1) | |
314 | return 0; | |
315 | ||
316 | if (S_ISREG(sb.st_mode)) | |
317 | return 0; | |
318 | ||
319 | return 1; | |
320 | } | |
321 | ||
9c60ce64 JA |
322 | /* |
323 | * Initialize the various random states we need (random io, block size ranges, | |
324 | * read/write mix, etc). | |
325 | */ | |
326 | static int init_random_state(struct thread_data *td) | |
327 | { | |
328 | unsigned long seeds[6]; | |
68727076 | 329 | int fd; |
9c60ce64 JA |
330 | |
331 | fd = open("/dev/urandom", O_RDONLY); | |
332 | if (fd == -1) { | |
333 | td_verror(td, errno, "open"); | |
334 | return 1; | |
335 | } | |
336 | ||
337 | if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) { | |
338 | td_verror(td, EIO, "read"); | |
339 | close(fd); | |
340 | return 1; | |
341 | } | |
342 | ||
343 | close(fd); | |
344 | ||
345 | os_random_seed(seeds[0], &td->bsrange_state); | |
346 | os_random_seed(seeds[1], &td->verify_state); | |
347 | os_random_seed(seeds[2], &td->rwmix_state); | |
348 | ||
2dc1bbeb | 349 | if (td->o.file_service_type == FIO_FSERVICE_RANDOM) |
9c60ce64 JA |
350 | os_random_seed(seeds[3], &td->next_file_state); |
351 | ||
352 | os_random_seed(seeds[5], &td->file_size_state); | |
353 | ||
354 | if (!td_random(td)) | |
355 | return 0; | |
356 | ||
2dc1bbeb | 357 | if (td->o.rand_repeatable) |
9c60ce64 JA |
358 | seeds[4] = FIO_RANDSEED * td->thread_number; |
359 | ||
9c60ce64 JA |
360 | os_random_seed(seeds[4], &td->random_state); |
361 | return 0; | |
362 | } | |
363 | ||
906c8d75 JA |
364 | /* |
365 | * Adds a job to the list of things todo. Sanitizes the various options | |
366 | * to make sure we don't have conflicts, and initializes various | |
367 | * members of td. | |
368 | */ | |
75154845 | 369 | static int add_job(struct thread_data *td, const char *jobname, int job_add_num) |
ebac4655 | 370 | { |
413dd459 JA |
371 | const char *ddir_str[] = { NULL, "read", "write", "rw", NULL, |
372 | "randread", "randwrite", "randrw" }; | |
af52b345 | 373 | unsigned int i; |
09629a90 | 374 | const char *engine; |
af52b345 | 375 | char fname[PATH_MAX]; |
e132cbae | 376 | int numjobs, file_alloced; |
ebac4655 | 377 | |
ebac4655 JA |
378 | /* |
379 | * the def_thread is just for options, it's not a real job | |
380 | */ | |
381 | if (td == &def_thread) | |
382 | return 0; | |
383 | ||
2dc1bbeb | 384 | engine = get_engine_name(td->o.ioengine); |
09629a90 JA |
385 | td->io_ops = load_ioengine(td, engine); |
386 | if (!td->io_ops) { | |
387 | log_err("fio: failed to load engine %s\n", engine); | |
205927a3 | 388 | goto err; |
09629a90 | 389 | } |
df64119d | 390 | |
2dc1bbeb | 391 | if (td->o.use_thread) |
9cedf167 JA |
392 | nr_thread++; |
393 | else | |
394 | nr_process++; | |
395 | ||
2dc1bbeb | 396 | if (td->o.odirect) |
690adba3 JA |
397 | td->io_ops->flags |= FIO_RAWIO; |
398 | ||
e132cbae | 399 | file_alloced = 0; |
2dc1bbeb | 400 | if (!td->o.filename && !td->files_index) { |
e132cbae | 401 | file_alloced = 1; |
80be24f4 | 402 | |
2dc1bbeb | 403 | if (td->o.nr_files == 1 && exists_and_not_file(jobname)) |
e132cbae | 404 | add_file(td, jobname); |
7b05a215 | 405 | else { |
2dc1bbeb | 406 | for (i = 0; i < td->o.nr_files; i++) { |
e132cbae | 407 | sprintf(fname, "%s.%d.%d", jobname, td->thread_number, i); |
7b05a215 JA |
408 | add_file(td, fname); |
409 | } | |
af52b345 | 410 | } |
0af7b542 | 411 | } |
ebac4655 | 412 | |
4e991c23 JA |
413 | if (fixup_options(td)) |
414 | goto err; | |
e0a22335 | 415 | |
07739b57 | 416 | td->mutex = fio_sem_init(0); |
ebac4655 | 417 | |
756867bd JA |
418 | td->ts.clat_stat[0].min_val = td->ts.clat_stat[1].min_val = ULONG_MAX; |
419 | td->ts.slat_stat[0].min_val = td->ts.slat_stat[1].min_val = ULONG_MAX; | |
420 | td->ts.bw_stat[0].min_val = td->ts.bw_stat[1].min_val = ULONG_MAX; | |
1e3d53ac | 421 | td->ddir_nr = td->o.ddir_nr; |
ebac4655 | 422 | |
b3d62a75 JA |
423 | if ((td->o.stonewall || td->o.numjobs > 1 || td->o.new_group) |
424 | && prev_group_jobs) { | |
3c5df6fa | 425 | prev_group_jobs = 0; |
ebac4655 | 426 | groupid++; |
3c5df6fa | 427 | } |
ebac4655 JA |
428 | |
429 | td->groupid = groupid; | |
3c5df6fa | 430 | prev_group_jobs++; |
ebac4655 | 431 | |
9c60ce64 JA |
432 | if (init_random_state(td)) |
433 | goto err; | |
434 | ||
ebac4655 JA |
435 | if (setup_rate(td)) |
436 | goto err; | |
437 | ||
2dc1bbeb | 438 | if (td->o.write_lat_log) { |
756867bd JA |
439 | setup_log(&td->ts.slat_log); |
440 | setup_log(&td->ts.clat_log); | |
ebac4655 | 441 | } |
2dc1bbeb | 442 | if (td->o.write_bw_log) |
756867bd | 443 | setup_log(&td->ts.bw_log); |
ebac4655 | 444 | |
2dc1bbeb JA |
445 | if (!td->o.name) |
446 | td->o.name = strdup(jobname); | |
01452055 | 447 | |
c6ae0a5b | 448 | if (!terse_output) { |
b990b5c0 | 449 | if (!job_add_num) { |
ba0fbe10 | 450 | if (!strcmp(td->io_ops->name, "cpuio")) |
2dc1bbeb | 451 | log_info("%s: ioengine=cpu, cpuload=%u, cpucycle=%u\n", td->o.name, td->o.cpuload, td->o.cpucycle); |
f8977ee6 JA |
452 | else { |
453 | char *c1, *c2, *c3, *c4; | |
454 | ||
2dc1bbeb JA |
455 | c1 = to_kmg(td->o.min_bs[DDIR_READ]); |
456 | c2 = to_kmg(td->o.max_bs[DDIR_READ]); | |
457 | c3 = to_kmg(td->o.min_bs[DDIR_WRITE]); | |
458 | c4 = to_kmg(td->o.max_bs[DDIR_WRITE]); | |
f8977ee6 | 459 | |
2dc1bbeb | 460 | 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 |
461 | |
462 | free(c1); | |
463 | free(c2); | |
464 | free(c3); | |
465 | free(c4); | |
466 | } | |
b990b5c0 | 467 | } else if (job_add_num == 1) |
6d86144d | 468 | log_info("...\n"); |
c6ae0a5b | 469 | } |
ebac4655 JA |
470 | |
471 | /* | |
472 | * recurse add identical jobs, clear numjobs and stonewall options | |
473 | * as they don't apply to sub-jobs | |
474 | */ | |
2dc1bbeb | 475 | numjobs = td->o.numjobs; |
ebac4655 JA |
476 | while (--numjobs) { |
477 | struct thread_data *td_new = get_new_job(0, td); | |
478 | ||
479 | if (!td_new) | |
480 | goto err; | |
481 | ||
2dc1bbeb JA |
482 | td_new->o.numjobs = 1; |
483 | td_new->o.stonewall = 0; | |
92c1d41f | 484 | td_new->o.new_group = 0; |
e132cbae JA |
485 | |
486 | if (file_alloced) { | |
2dc1bbeb | 487 | td_new->o.filename = NULL; |
e132cbae JA |
488 | td_new->files_index = 0; |
489 | td_new->files = NULL; | |
490 | } | |
491 | ||
75154845 | 492 | job_add_num = numjobs - 1; |
ebac4655 | 493 | |
75154845 | 494 | if (add_job(td_new, jobname, job_add_num)) |
ebac4655 JA |
495 | goto err; |
496 | } | |
3c5df6fa | 497 | |
ebac4655 JA |
498 | return 0; |
499 | err: | |
500 | put_job(td); | |
501 | return -1; | |
502 | } | |
503 | ||
ebac4655 JA |
504 | static int is_empty_or_comment(char *line) |
505 | { | |
506 | unsigned int i; | |
507 | ||
508 | for (i = 0; i < strlen(line); i++) { | |
509 | if (line[i] == ';') | |
510 | return 1; | |
5cc2da30 IM |
511 | if (line[i] == '#') |
512 | return 1; | |
ebac4655 JA |
513 | if (!isspace(line[i]) && !iscntrl(line[i])) |
514 | return 0; | |
515 | } | |
516 | ||
517 | return 1; | |
518 | } | |
519 | ||
07261983 JA |
520 | /* |
521 | * This is our [ini] type file parser. | |
522 | */ | |
1e97cce9 | 523 | static int parse_jobs_ini(char *file, int stonewall_flag) |
ebac4655 | 524 | { |
e1f36503 | 525 | unsigned int global; |
ebac4655 | 526 | struct thread_data *td; |
fee3bb48 | 527 | char *string, *name; |
ebac4655 JA |
528 | fpos_t off; |
529 | FILE *f; | |
530 | char *p; | |
0c7e37a0 | 531 | int ret = 0, stonewall; |
ebac4655 JA |
532 | |
533 | f = fopen(file, "r"); | |
534 | if (!f) { | |
aea47d44 | 535 | perror("fopen job file"); |
ebac4655 JA |
536 | return 1; |
537 | } | |
538 | ||
539 | string = malloc(4096); | |
540 | name = malloc(256); | |
fee3bb48 | 541 | memset(name, 0, 256); |
ebac4655 | 542 | |
0c7e37a0 | 543 | stonewall = stonewall_flag; |
7c124ac1 JA |
544 | do { |
545 | p = fgets(string, 4095, f); | |
546 | if (!p) | |
45410acb | 547 | break; |
cdc7f193 | 548 | |
549 | strip_blank_front(&p); | |
6c7c7da1 | 550 | strip_blank_end(p); |
cdc7f193 | 551 | |
ebac4655 JA |
552 | if (is_empty_or_comment(p)) |
553 | continue; | |
6c7c7da1 JA |
554 | if (sscanf(p, "[%255s]", name) != 1) { |
555 | log_err("fio: option <%s> outside of job section\n", p); | |
ebac4655 | 556 | continue; |
6c7c7da1 | 557 | } |
ebac4655 JA |
558 | |
559 | global = !strncmp(name, "global", 6); | |
560 | ||
561 | name[strlen(name) - 1] = '\0'; | |
562 | ||
563 | td = get_new_job(global, &def_thread); | |
45410acb JA |
564 | if (!td) { |
565 | ret = 1; | |
566 | break; | |
567 | } | |
ebac4655 | 568 | |
972cfd25 JA |
569 | /* |
570 | * Seperate multiple job files by a stonewall | |
571 | */ | |
f9481919 | 572 | if (!global && stonewall) { |
2dc1bbeb | 573 | td->o.stonewall = stonewall; |
972cfd25 JA |
574 | stonewall = 0; |
575 | } | |
576 | ||
ebac4655 JA |
577 | fgetpos(f, &off); |
578 | while ((p = fgets(string, 4096, f)) != NULL) { | |
579 | if (is_empty_or_comment(p)) | |
580 | continue; | |
e1f36503 | 581 | |
b6754f9d | 582 | strip_blank_front(&p); |
7c124ac1 JA |
583 | |
584 | if (p[0] == '[') | |
585 | break; | |
586 | ||
4ae3f763 | 587 | strip_blank_end(p); |
aea47d44 | 588 | |
e1f36503 | 589 | fgetpos(f, &off); |
ebac4655 | 590 | |
45410acb JA |
591 | /* |
592 | * Don't break here, continue parsing options so we | |
593 | * dump all the bad ones. Makes trial/error fixups | |
594 | * easier on the user. | |
595 | */ | |
214e1eca | 596 | ret |= fio_option_parse(td, p); |
ebac4655 | 597 | } |
ebac4655 | 598 | |
45410acb JA |
599 | if (!ret) { |
600 | fsetpos(f, &off); | |
601 | ret = add_job(td, name, 0); | |
b1508cf9 JA |
602 | } else { |
603 | log_err("fio: job %s dropped\n", name); | |
604 | put_job(td); | |
45410acb | 605 | } |
7c124ac1 | 606 | } while (!ret); |
ebac4655 JA |
607 | |
608 | free(string); | |
609 | free(name); | |
610 | fclose(f); | |
45410acb | 611 | return ret; |
ebac4655 JA |
612 | } |
613 | ||
614 | static int fill_def_thread(void) | |
615 | { | |
616 | memset(&def_thread, 0, sizeof(def_thread)); | |
617 | ||
2dc1bbeb | 618 | if (fio_getaffinity(getpid(), &def_thread.o.cpumask) == -1) { |
ebac4655 JA |
619 | perror("sched_getaffinity"); |
620 | return 1; | |
621 | } | |
622 | ||
623 | /* | |
ee738499 | 624 | * fill default options |
ebac4655 | 625 | */ |
214e1eca | 626 | fio_fill_default_options(&def_thread); |
ee738499 | 627 | |
2dc1bbeb JA |
628 | def_thread.o.timeout = def_timeout; |
629 | def_thread.o.write_bw_log = write_bw_log; | |
630 | def_thread.o.write_lat_log = write_lat_log; | |
ee738499 | 631 | |
ebac4655 | 632 | #ifdef FIO_HAVE_DISK_UTIL |
2dc1bbeb | 633 | def_thread.o.do_disk_util = 1; |
ebac4655 JA |
634 | #endif |
635 | ||
636 | return 0; | |
637 | } | |
638 | ||
214e1eca JA |
639 | static void free_shm(void) |
640 | { | |
641 | struct shmid_ds sbuf; | |
642 | ||
643 | if (threads) { | |
644 | shmdt((void *) threads); | |
645 | threads = NULL; | |
646 | shmctl(shm_id, IPC_RMID, &sbuf); | |
647 | } | |
648 | } | |
649 | ||
650 | /* | |
651 | * The thread area is shared between the main process and the job | |
652 | * threads/processes. So setup a shared memory segment that will hold | |
653 | * all the job info. | |
654 | */ | |
655 | static int setup_thread_area(void) | |
656 | { | |
657 | /* | |
658 | * 1024 is too much on some machines, scale max_jobs if | |
659 | * we get a failure that looks like too large a shm segment | |
660 | */ | |
661 | do { | |
662 | size_t size = max_jobs * sizeof(struct thread_data); | |
663 | ||
664 | shm_id = shmget(0, size, IPC_CREAT | 0600); | |
665 | if (shm_id != -1) | |
666 | break; | |
667 | if (errno != EINVAL) { | |
668 | perror("shmget"); | |
669 | break; | |
670 | } | |
671 | ||
672 | max_jobs >>= 1; | |
673 | } while (max_jobs); | |
674 | ||
675 | if (shm_id == -1) | |
676 | return 1; | |
677 | ||
678 | threads = shmat(shm_id, NULL, 0); | |
679 | if (threads == (void *) -1) { | |
680 | perror("shmat"); | |
681 | return 1; | |
682 | } | |
683 | ||
684 | atexit(free_shm); | |
685 | return 0; | |
686 | } | |
687 | ||
0ab8db89 | 688 | static void usage(void) |
4785f995 JA |
689 | { |
690 | printf("%s\n", fio_version_string); | |
b4692828 JA |
691 | printf("\t--output\tWrite output to file\n"); |
692 | printf("\t--timeout\tRuntime in seconds\n"); | |
693 | printf("\t--latency-log\tGenerate per-job latency logs\n"); | |
694 | printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n"); | |
695 | printf("\t--minimal\tMinimal (terse) output\n"); | |
696 | printf("\t--version\tPrint version info and exit\n"); | |
fd28ca49 JA |
697 | printf("\t--help\t\tPrint this page\n"); |
698 | printf("\t--cmdhelp=cmd\tPrint command help, \"all\" for all of them\n"); | |
4785f995 JA |
699 | } |
700 | ||
972cfd25 | 701 | static int parse_cmd_line(int argc, char *argv[]) |
ebac4655 | 702 | { |
b4692828 | 703 | struct thread_data *td = NULL; |
b1ec1da6 | 704 | int c, ini_idx = 0, lidx, ret, dont_add_job = 0; |
ebac4655 | 705 | |
0be06ea2 | 706 | while ((c = getopt_long_only(argc, argv, "", long_options, &lidx)) != -1) { |
ebac4655 | 707 | switch (c) { |
b4692828 JA |
708 | case 't': |
709 | def_timeout = atoi(optarg); | |
710 | break; | |
711 | case 'l': | |
712 | write_lat_log = 1; | |
713 | break; | |
714 | case 'w': | |
715 | write_bw_log = 1; | |
716 | break; | |
717 | case 'o': | |
718 | f_out = fopen(optarg, "w+"); | |
719 | if (!f_out) { | |
720 | perror("fopen output"); | |
721 | exit(1); | |
722 | } | |
723 | f_err = f_out; | |
724 | break; | |
725 | case 'm': | |
726 | terse_output = 1; | |
727 | break; | |
728 | case 'h': | |
729 | usage(); | |
730 | exit(0); | |
fd28ca49 | 731 | case 'c': |
214e1eca | 732 | exit(fio_show_option_help(optarg)); |
b4692828 JA |
733 | case 'v': |
734 | printf("%s\n", fio_version_string); | |
735 | exit(0); | |
736 | case FIO_GETOPT_JOB: { | |
737 | const char *opt = long_options[lidx].name; | |
738 | char *val = optarg; | |
739 | ||
c2b1e753 | 740 | if (!strncmp(opt, "name", 4) && td) { |
2dc1bbeb | 741 | ret = add_job(td, td->o.name ?: "fio", 0); |
c2b1e753 JA |
742 | if (ret) { |
743 | put_job(td); | |
744 | return 0; | |
745 | } | |
746 | td = NULL; | |
747 | } | |
b4692828 | 748 | if (!td) { |
38d0adb0 | 749 | int global = !strncmp(val, "global", 6); |
c2b1e753 JA |
750 | |
751 | td = get_new_job(global, &def_thread); | |
b4692828 JA |
752 | if (!td) |
753 | return 0; | |
754 | } | |
38d0adb0 | 755 | |
214e1eca | 756 | ret = fio_cmd_option_parse(td, opt, val); |
78217dfa | 757 | if (ret) |
b1ec1da6 | 758 | dont_add_job = 1; |
b4692828 JA |
759 | break; |
760 | } | |
761 | default: | |
b4692828 | 762 | break; |
ebac4655 JA |
763 | } |
764 | } | |
c9fad893 | 765 | |
b4692828 | 766 | if (td) { |
b1ec1da6 | 767 | if (dont_add_job) |
b4692828 | 768 | put_job(td); |
b1ec1da6 | 769 | else { |
2dc1bbeb | 770 | ret = add_job(td, td->o.name ?: "fio", 0); |
b1ec1da6 JA |
771 | if (ret) |
772 | put_job(td); | |
773 | } | |
972cfd25 | 774 | } |
774a6177 | 775 | |
b4692828 JA |
776 | while (optind < argc) { |
777 | ini_idx++; | |
778 | ini_file = realloc(ini_file, ini_idx * sizeof(char *)); | |
779 | ini_file[ini_idx - 1] = strdup(argv[optind]); | |
780 | optind++; | |
eb8bbf48 | 781 | } |
972cfd25 JA |
782 | |
783 | return ini_idx; | |
ebac4655 JA |
784 | } |
785 | ||
b4692828 | 786 | |
ebac4655 JA |
787 | int parse_options(int argc, char *argv[]) |
788 | { | |
972cfd25 JA |
789 | int job_files, i; |
790 | ||
b4692828 JA |
791 | f_out = stdout; |
792 | f_err = stderr; | |
793 | ||
214e1eca | 794 | fio_options_dup_and_init(long_options); |
b4692828 | 795 | |
ebac4655 JA |
796 | if (setup_thread_area()) |
797 | return 1; | |
798 | if (fill_def_thread()) | |
799 | return 1; | |
800 | ||
972cfd25 | 801 | job_files = parse_cmd_line(argc, argv); |
ebac4655 | 802 | |
972cfd25 JA |
803 | for (i = 0; i < job_files; i++) { |
804 | if (fill_def_thread()) | |
805 | return 1; | |
0c7e37a0 | 806 | if (parse_jobs_ini(ini_file[i], i)) |
972cfd25 | 807 | return 1; |
88c6ed80 | 808 | free(ini_file[i]); |
972cfd25 | 809 | } |
ebac4655 | 810 | |
88c6ed80 | 811 | free(ini_file); |
d23bb327 | 812 | options_mem_free(&def_thread); |
b4692828 JA |
813 | |
814 | if (!thread_number) { | |
815 | log_err("No jobs defined(s)\n"); | |
b4692828 JA |
816 | return 1; |
817 | } | |
818 | ||
ebac4655 JA |
819 | return 0; |
820 | } |