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 | |
509df2bc | 20 | static char fio_version_string[] = "fio 1.19"; |
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; | |
01f06b63 | 37 | char *job_section = NULL; |
ee738499 | 38 | |
214e1eca | 39 | int write_bw_log = 0; |
4241ea8f | 40 | int read_only = 0; |
214e1eca JA |
41 | |
42 | static int def_timeout = 0; | |
43 | static int write_lat_log = 0; | |
e1f36503 | 44 | |
214e1eca | 45 | static int prev_group_jobs; |
b4692828 | 46 | |
ee56ad50 JA |
47 | unsigned long fio_debug = 0; |
48 | ||
b4692828 JA |
49 | /* |
50 | * Command line options. These will contain the above, plus a few | |
51 | * extra that only pertain to fio itself and not jobs. | |
52 | */ | |
214e1eca | 53 | static struct option long_options[FIO_NR_OPTIONS] = { |
b4692828 JA |
54 | { |
55 | .name = "output", | |
56 | .has_arg = required_argument, | |
57 | .val = 'o', | |
58 | }, | |
59 | { | |
60 | .name = "timeout", | |
61 | .has_arg = required_argument, | |
62 | .val = 't', | |
63 | }, | |
64 | { | |
65 | .name = "latency-log", | |
66 | .has_arg = required_argument, | |
67 | .val = 'l', | |
68 | }, | |
69 | { | |
70 | .name = "bandwidth-log", | |
71 | .has_arg = required_argument, | |
72 | .val = 'b', | |
73 | }, | |
74 | { | |
75 | .name = "minimal", | |
76 | .has_arg = optional_argument, | |
77 | .val = 'm', | |
78 | }, | |
79 | { | |
80 | .name = "version", | |
81 | .has_arg = no_argument, | |
82 | .val = 'v', | |
83 | }, | |
fd28ca49 JA |
84 | { |
85 | .name = "help", | |
86 | .has_arg = no_argument, | |
87 | .val = 'h', | |
88 | }, | |
89 | { | |
90 | .name = "cmdhelp", | |
320beefe | 91 | .has_arg = optional_argument, |
fd28ca49 JA |
92 | .val = 'c', |
93 | }, | |
cca73aa7 JA |
94 | { |
95 | .name = "showcmd", | |
96 | .has_arg = no_argument, | |
724e4435 JA |
97 | .val = 's', |
98 | }, | |
99 | { | |
100 | .name = "readonly", | |
101 | .has_arg = no_argument, | |
102 | .val = 'r', | |
cca73aa7 | 103 | }, |
e592a06b AC |
104 | { |
105 | .name = "eta", | |
106 | .has_arg = required_argument, | |
107 | .val = 'e', | |
108 | }, | |
ee56ad50 JA |
109 | { |
110 | .name = "debug", | |
111 | .has_arg = required_argument, | |
112 | .val = 'd', | |
113 | }, | |
01f06b63 JA |
114 | { |
115 | .name = "section", | |
116 | .has_arg = required_argument, | |
117 | .val = 'x', | |
118 | }, | |
b4692828 JA |
119 | { |
120 | .name = NULL, | |
121 | }, | |
122 | }; | |
123 | ||
9728ce37 JB |
124 | FILE *get_f_out() |
125 | { | |
126 | return f_out; | |
127 | } | |
128 | ||
129 | FILE *get_f_err() | |
130 | { | |
131 | return f_err; | |
132 | } | |
133 | ||
906c8d75 JA |
134 | /* |
135 | * Return a free job structure. | |
136 | */ | |
ebac4655 JA |
137 | static struct thread_data *get_new_job(int global, struct thread_data *parent) |
138 | { | |
139 | struct thread_data *td; | |
140 | ||
141 | if (global) | |
142 | return &def_thread; | |
143 | if (thread_number >= max_jobs) | |
144 | return NULL; | |
145 | ||
146 | td = &threads[thread_number++]; | |
ddaeaa5a | 147 | *td = *parent; |
ebac4655 | 148 | |
cade3ef4 | 149 | dup_files(td, parent); |
d23bb327 | 150 | options_mem_dupe(td); |
cade3ef4 | 151 | |
ebac4655 | 152 | td->thread_number = thread_number; |
ebac4655 JA |
153 | return td; |
154 | } | |
155 | ||
156 | static void put_job(struct thread_data *td) | |
157 | { | |
549577a7 JA |
158 | if (td == &def_thread) |
159 | return; | |
160 | ||
16edf25d | 161 | if (td->error) |
6d86144d | 162 | log_info("fio: %s\n", td->verror); |
16edf25d | 163 | |
ebac4655 JA |
164 | memset(&threads[td->thread_number - 1], 0, sizeof(*td)); |
165 | thread_number--; | |
166 | } | |
167 | ||
127f6865 JA |
168 | static int setup_rate(struct thread_data *td) |
169 | { | |
170 | unsigned long nr_reads_per_msec; | |
171 | unsigned long long rate; | |
172 | unsigned int bs; | |
173 | ||
2dc1bbeb | 174 | if (!td->o.rate && !td->o.rate_iops) |
127f6865 JA |
175 | return 0; |
176 | ||
177 | if (td_rw(td)) | |
2dc1bbeb | 178 | bs = td->o.rw_min_bs; |
127f6865 | 179 | else if (td_read(td)) |
2dc1bbeb | 180 | bs = td->o.min_bs[DDIR_READ]; |
127f6865 | 181 | else |
2dc1bbeb | 182 | bs = td->o.min_bs[DDIR_WRITE]; |
127f6865 | 183 | |
2dc1bbeb JA |
184 | if (td->o.rate) { |
185 | rate = td->o.rate; | |
127f6865 JA |
186 | nr_reads_per_msec = (rate * 1024 * 1000LL) / bs; |
187 | } else | |
2dc1bbeb | 188 | nr_reads_per_msec = td->o.rate_iops * 1000UL; |
127f6865 JA |
189 | |
190 | if (!nr_reads_per_msec) { | |
191 | log_err("rate lower than supported\n"); | |
192 | return -1; | |
193 | } | |
194 | ||
195 | td->rate_usec_cycle = 1000000000ULL / nr_reads_per_msec; | |
196 | td->rate_pending_usleep = 0; | |
197 | return 0; | |
198 | } | |
199 | ||
dad915e3 JA |
200 | /* |
201 | * Lazy way of fixing up options that depend on each other. We could also | |
202 | * define option callback handlers, but this is easier. | |
203 | */ | |
4e991c23 | 204 | static int fixup_options(struct thread_data *td) |
e1f36503 | 205 | { |
2dc1bbeb | 206 | struct thread_options *o = &td->o; |
dad915e3 | 207 | |
724e4435 JA |
208 | if (read_only && td_write(td)) { |
209 | log_err("fio: job <%s> has write bit set, but fio is in read-only mode\n", td->o.name); | |
210 | return 1; | |
211 | } | |
212 | ||
e47f799f JA |
213 | if (o->rwmix[DDIR_READ] + o->rwmix[DDIR_WRITE] > 100) |
214 | o->rwmix[DDIR_WRITE] = 100 - o->rwmix[DDIR_READ]; | |
2dc1bbeb JA |
215 | |
216 | if (o->write_iolog_file && o->read_iolog_file) { | |
076efc7c | 217 | log_err("fio: read iolog overrides write_iolog\n"); |
2dc1bbeb JA |
218 | free(o->write_iolog_file); |
219 | o->write_iolog_file = NULL; | |
076efc7c | 220 | } |
16b462ae | 221 | |
16b462ae JA |
222 | /* |
223 | * only really works for sequential io for now, and with 1 file | |
224 | */ | |
2dc1bbeb JA |
225 | if (o->zone_size && td_random(td) && o->open_files == 1) |
226 | o->zone_size = 0; | |
16b462ae JA |
227 | |
228 | /* | |
229 | * Reads can do overwrites, we always need to pre-create the file | |
230 | */ | |
231 | if (td_read(td) || td_rw(td)) | |
2dc1bbeb | 232 | o->overwrite = 1; |
16b462ae | 233 | |
2dc1bbeb JA |
234 | if (!o->min_bs[DDIR_READ]) |
235 | o->min_bs[DDIR_READ]= o->bs[DDIR_READ]; | |
236 | if (!o->max_bs[DDIR_READ]) | |
237 | o->max_bs[DDIR_READ] = o->bs[DDIR_READ]; | |
238 | if (!o->min_bs[DDIR_WRITE]) | |
239 | o->min_bs[DDIR_WRITE]= o->bs[DDIR_WRITE]; | |
240 | if (!o->max_bs[DDIR_WRITE]) | |
241 | o->max_bs[DDIR_WRITE] = o->bs[DDIR_WRITE]; | |
a00735e6 | 242 | |
2dc1bbeb | 243 | o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]); |
a00735e6 | 244 | |
2dc1bbeb JA |
245 | if (!o->file_size_high) |
246 | o->file_size_high = o->file_size_low; | |
9c60ce64 | 247 | |
2dc1bbeb | 248 | if (o->norandommap && o->verify != VERIFY_NONE) { |
bb8895e0 | 249 | log_err("fio: norandommap given, verify disabled\n"); |
2dc1bbeb | 250 | o->verify = VERIFY_NONE; |
bb8895e0 | 251 | } |
2dc1bbeb | 252 | if (o->bs_unaligned && (o->odirect || td->io_ops->flags & FIO_RAWIO)) |
690adba3 | 253 | log_err("fio: bs_unaligned may not work with raw io\n"); |
e0a22335 | 254 | |
48097d5c JA |
255 | /* |
256 | * thinktime_spin must be less than thinktime | |
257 | */ | |
2dc1bbeb JA |
258 | if (o->thinktime_spin > o->thinktime) |
259 | o->thinktime_spin = o->thinktime; | |
e916b390 JA |
260 | |
261 | /* | |
262 | * The low water mark cannot be bigger than the iodepth | |
263 | */ | |
2dc1bbeb | 264 | if (o->iodepth_low > o->iodepth || !o->iodepth_low) { |
9467b77c JA |
265 | /* |
266 | * syslet work around - if the workload is sequential, | |
267 | * we want to let the queue drain all the way down to | |
268 | * avoid seeking between async threads | |
269 | */ | |
270 | if (!strcmp(td->io_ops->name, "syslet-rw") && !td_random(td)) | |
2dc1bbeb | 271 | o->iodepth_low = 1; |
9467b77c | 272 | else |
2dc1bbeb | 273 | o->iodepth_low = o->iodepth; |
9467b77c | 274 | } |
cb5ab512 JA |
275 | |
276 | /* | |
277 | * If batch number isn't set, default to the same as iodepth | |
278 | */ | |
2dc1bbeb JA |
279 | if (o->iodepth_batch > o->iodepth || !o->iodepth_batch) |
280 | o->iodepth_batch = o->iodepth; | |
b5af8293 | 281 | |
2dc1bbeb JA |
282 | if (o->nr_files > td->files_index) |
283 | o->nr_files = td->files_index; | |
9f9214f2 | 284 | |
2dc1bbeb JA |
285 | if (o->open_files > o->nr_files || !o->open_files) |
286 | o->open_files = o->nr_files; | |
4e991c23 | 287 | |
2dc1bbeb | 288 | if ((o->rate && o->rate_iops) || (o->ratemin && o->rate_iops_min)) { |
4e991c23 JA |
289 | log_err("fio: rate and rate_iops are mutually exclusive\n"); |
290 | return 1; | |
291 | } | |
2dc1bbeb | 292 | if ((o->rate < o->ratemin) || (o->rate_iops < o->rate_iops_min)) { |
4e991c23 JA |
293 | log_err("fio: minimum rate exceeds rate\n"); |
294 | return 1; | |
295 | } | |
296 | ||
cf4464ca JA |
297 | if (!o->timeout && o->time_based) { |
298 | log_err("fio: time_based requires a runtime/timeout setting\n"); | |
299 | o->time_based = 0; | |
300 | } | |
301 | ||
aa31f1f1 SL |
302 | if (o->fill_device && !o->size) |
303 | o->size = ULONG_LONG_MAX; | |
79713149 JA |
304 | |
305 | if (td_rw(td) && td->o.verify != VERIFY_NONE) | |
306 | log_info("fio: mixed read/write workload with verify. May not " | |
307 | "work as expected, unless you pre-populated the file\n"); | |
aa31f1f1 | 308 | |
4e991c23 | 309 | return 0; |
e1f36503 JA |
310 | } |
311 | ||
f8977ee6 JA |
312 | /* |
313 | * This function leaks the buffer | |
314 | */ | |
315 | static char *to_kmg(unsigned int val) | |
316 | { | |
317 | char *buf = malloc(32); | |
f3502ba2 | 318 | char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 }; |
f8977ee6 JA |
319 | char *p = post; |
320 | ||
245142ff | 321 | do { |
f8977ee6 JA |
322 | if (val & 1023) |
323 | break; | |
324 | ||
325 | val >>= 10; | |
326 | p++; | |
245142ff | 327 | } while (*p); |
f8977ee6 JA |
328 | |
329 | snprintf(buf, 31, "%u%c", val, *p); | |
330 | return buf; | |
331 | } | |
332 | ||
09629a90 JA |
333 | /* External engines are specified by "external:name.o") */ |
334 | static const char *get_engine_name(const char *str) | |
335 | { | |
336 | char *p = strstr(str, ":"); | |
337 | ||
338 | if (!p) | |
339 | return str; | |
340 | ||
341 | p++; | |
342 | strip_blank_front(&p); | |
343 | strip_blank_end(p); | |
344 | return p; | |
345 | } | |
346 | ||
e132cbae JA |
347 | static int exists_and_not_file(const char *filename) |
348 | { | |
349 | struct stat sb; | |
350 | ||
351 | if (lstat(filename, &sb) == -1) | |
352 | return 0; | |
353 | ||
354 | if (S_ISREG(sb.st_mode)) | |
355 | return 0; | |
356 | ||
357 | return 1; | |
358 | } | |
359 | ||
9c60ce64 JA |
360 | /* |
361 | * Initialize the various random states we need (random io, block size ranges, | |
362 | * read/write mix, etc). | |
363 | */ | |
364 | static int init_random_state(struct thread_data *td) | |
365 | { | |
366 | unsigned long seeds[6]; | |
68727076 | 367 | int fd; |
9c60ce64 JA |
368 | |
369 | fd = open("/dev/urandom", O_RDONLY); | |
370 | if (fd == -1) { | |
371 | td_verror(td, errno, "open"); | |
372 | return 1; | |
373 | } | |
374 | ||
375 | if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) { | |
376 | td_verror(td, EIO, "read"); | |
377 | close(fd); | |
378 | return 1; | |
379 | } | |
380 | ||
381 | close(fd); | |
382 | ||
383 | os_random_seed(seeds[0], &td->bsrange_state); | |
384 | os_random_seed(seeds[1], &td->verify_state); | |
385 | os_random_seed(seeds[2], &td->rwmix_state); | |
386 | ||
2dc1bbeb | 387 | if (td->o.file_service_type == FIO_FSERVICE_RANDOM) |
9c60ce64 JA |
388 | os_random_seed(seeds[3], &td->next_file_state); |
389 | ||
390 | os_random_seed(seeds[5], &td->file_size_state); | |
391 | ||
392 | if (!td_random(td)) | |
393 | return 0; | |
394 | ||
2dc1bbeb | 395 | if (td->o.rand_repeatable) |
9c60ce64 JA |
396 | seeds[4] = FIO_RANDSEED * td->thread_number; |
397 | ||
9c60ce64 JA |
398 | os_random_seed(seeds[4], &td->random_state); |
399 | return 0; | |
400 | } | |
401 | ||
906c8d75 JA |
402 | /* |
403 | * Adds a job to the list of things todo. Sanitizes the various options | |
404 | * to make sure we don't have conflicts, and initializes various | |
405 | * members of td. | |
406 | */ | |
75154845 | 407 | static int add_job(struct thread_data *td, const char *jobname, int job_add_num) |
ebac4655 | 408 | { |
413dd459 JA |
409 | const char *ddir_str[] = { NULL, "read", "write", "rw", NULL, |
410 | "randread", "randwrite", "randrw" }; | |
af52b345 | 411 | unsigned int i; |
09629a90 | 412 | const char *engine; |
af52b345 | 413 | char fname[PATH_MAX]; |
e132cbae | 414 | int numjobs, file_alloced; |
ebac4655 | 415 | |
ebac4655 JA |
416 | /* |
417 | * the def_thread is just for options, it's not a real job | |
418 | */ | |
419 | if (td == &def_thread) | |
420 | return 0; | |
421 | ||
cca73aa7 JA |
422 | /* |
423 | * if we are just dumping the output command line, don't add the job | |
424 | */ | |
425 | if (dump_cmdline) { | |
426 | put_job(td); | |
427 | return 0; | |
428 | } | |
429 | ||
2dc1bbeb | 430 | engine = get_engine_name(td->o.ioengine); |
09629a90 JA |
431 | td->io_ops = load_ioengine(td, engine); |
432 | if (!td->io_ops) { | |
433 | log_err("fio: failed to load engine %s\n", engine); | |
205927a3 | 434 | goto err; |
09629a90 | 435 | } |
df64119d | 436 | |
2dc1bbeb | 437 | if (td->o.use_thread) |
9cedf167 JA |
438 | nr_thread++; |
439 | else | |
440 | nr_process++; | |
441 | ||
2dc1bbeb | 442 | if (td->o.odirect) |
690adba3 JA |
443 | td->io_ops->flags |= FIO_RAWIO; |
444 | ||
e132cbae | 445 | file_alloced = 0; |
2dc1bbeb | 446 | if (!td->o.filename && !td->files_index) { |
e132cbae | 447 | file_alloced = 1; |
80be24f4 | 448 | |
2dc1bbeb | 449 | if (td->o.nr_files == 1 && exists_and_not_file(jobname)) |
e132cbae | 450 | add_file(td, jobname); |
7b05a215 | 451 | else { |
2dc1bbeb | 452 | for (i = 0; i < td->o.nr_files; i++) { |
e132cbae | 453 | sprintf(fname, "%s.%d.%d", jobname, td->thread_number, i); |
7b05a215 JA |
454 | add_file(td, fname); |
455 | } | |
af52b345 | 456 | } |
0af7b542 | 457 | } |
ebac4655 | 458 | |
4e991c23 JA |
459 | if (fixup_options(td)) |
460 | goto err; | |
e0a22335 | 461 | |
07eb79df JA |
462 | if (td->io_ops->flags & FIO_DISKLESSIO) { |
463 | struct fio_file *f; | |
464 | ||
465 | for_each_file(td, f, i) | |
466 | f->real_file_size = -1ULL; | |
467 | } | |
468 | ||
07739b57 | 469 | td->mutex = fio_sem_init(0); |
ebac4655 | 470 | |
756867bd JA |
471 | td->ts.clat_stat[0].min_val = td->ts.clat_stat[1].min_val = ULONG_MAX; |
472 | td->ts.slat_stat[0].min_val = td->ts.slat_stat[1].min_val = ULONG_MAX; | |
473 | td->ts.bw_stat[0].min_val = td->ts.bw_stat[1].min_val = ULONG_MAX; | |
1e3d53ac | 474 | td->ddir_nr = td->o.ddir_nr; |
ebac4655 | 475 | |
b3d62a75 JA |
476 | if ((td->o.stonewall || td->o.numjobs > 1 || td->o.new_group) |
477 | && prev_group_jobs) { | |
3c5df6fa | 478 | prev_group_jobs = 0; |
ebac4655 | 479 | groupid++; |
3c5df6fa | 480 | } |
ebac4655 JA |
481 | |
482 | td->groupid = groupid; | |
3c5df6fa | 483 | prev_group_jobs++; |
ebac4655 | 484 | |
9c60ce64 JA |
485 | if (init_random_state(td)) |
486 | goto err; | |
487 | ||
ebac4655 JA |
488 | if (setup_rate(td)) |
489 | goto err; | |
490 | ||
2dc1bbeb | 491 | if (td->o.write_lat_log) { |
756867bd JA |
492 | setup_log(&td->ts.slat_log); |
493 | setup_log(&td->ts.clat_log); | |
ebac4655 | 494 | } |
2dc1bbeb | 495 | if (td->o.write_bw_log) |
756867bd | 496 | setup_log(&td->ts.bw_log); |
ebac4655 | 497 | |
2dc1bbeb JA |
498 | if (!td->o.name) |
499 | td->o.name = strdup(jobname); | |
01452055 | 500 | |
c6ae0a5b | 501 | if (!terse_output) { |
b990b5c0 | 502 | if (!job_add_num) { |
ba0fbe10 | 503 | if (!strcmp(td->io_ops->name, "cpuio")) |
2dc1bbeb | 504 | log_info("%s: ioengine=cpu, cpuload=%u, cpucycle=%u\n", td->o.name, td->o.cpuload, td->o.cpucycle); |
f8977ee6 JA |
505 | else { |
506 | char *c1, *c2, *c3, *c4; | |
507 | ||
2dc1bbeb JA |
508 | c1 = to_kmg(td->o.min_bs[DDIR_READ]); |
509 | c2 = to_kmg(td->o.max_bs[DDIR_READ]); | |
510 | c3 = to_kmg(td->o.min_bs[DDIR_WRITE]); | |
511 | c4 = to_kmg(td->o.max_bs[DDIR_WRITE]); | |
f8977ee6 | 512 | |
2dc1bbeb | 513 | 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 |
514 | |
515 | free(c1); | |
516 | free(c2); | |
517 | free(c3); | |
518 | free(c4); | |
519 | } | |
b990b5c0 | 520 | } else if (job_add_num == 1) |
6d86144d | 521 | log_info("...\n"); |
c6ae0a5b | 522 | } |
ebac4655 JA |
523 | |
524 | /* | |
525 | * recurse add identical jobs, clear numjobs and stonewall options | |
526 | * as they don't apply to sub-jobs | |
527 | */ | |
2dc1bbeb | 528 | numjobs = td->o.numjobs; |
ebac4655 JA |
529 | while (--numjobs) { |
530 | struct thread_data *td_new = get_new_job(0, td); | |
531 | ||
532 | if (!td_new) | |
533 | goto err; | |
534 | ||
2dc1bbeb JA |
535 | td_new->o.numjobs = 1; |
536 | td_new->o.stonewall = 0; | |
92c1d41f | 537 | td_new->o.new_group = 0; |
e132cbae JA |
538 | |
539 | if (file_alloced) { | |
2dc1bbeb | 540 | td_new->o.filename = NULL; |
e132cbae JA |
541 | td_new->files_index = 0; |
542 | td_new->files = NULL; | |
543 | } | |
544 | ||
75154845 | 545 | job_add_num = numjobs - 1; |
ebac4655 | 546 | |
75154845 | 547 | if (add_job(td_new, jobname, job_add_num)) |
ebac4655 JA |
548 | goto err; |
549 | } | |
3c5df6fa | 550 | |
ebac4655 JA |
551 | return 0; |
552 | err: | |
553 | put_job(td); | |
554 | return -1; | |
555 | } | |
556 | ||
01f06b63 JA |
557 | static int skip_this_section(const char *name) |
558 | { | |
559 | if (!job_section) | |
560 | return 0; | |
561 | if (!strncmp(name, "global", 6)) | |
562 | return 0; | |
563 | ||
564 | return strncmp(job_section, name, strlen(job_section)); | |
565 | } | |
566 | ||
ebac4655 JA |
567 | static int is_empty_or_comment(char *line) |
568 | { | |
569 | unsigned int i; | |
570 | ||
571 | for (i = 0; i < strlen(line); i++) { | |
572 | if (line[i] == ';') | |
573 | return 1; | |
5cc2da30 IM |
574 | if (line[i] == '#') |
575 | return 1; | |
ebac4655 JA |
576 | if (!isspace(line[i]) && !iscntrl(line[i])) |
577 | return 0; | |
578 | } | |
579 | ||
580 | return 1; | |
581 | } | |
582 | ||
07261983 JA |
583 | /* |
584 | * This is our [ini] type file parser. | |
585 | */ | |
1e97cce9 | 586 | static int parse_jobs_ini(char *file, int stonewall_flag) |
ebac4655 | 587 | { |
e1f36503 | 588 | unsigned int global; |
ebac4655 | 589 | struct thread_data *td; |
fee3bb48 | 590 | char *string, *name; |
ebac4655 JA |
591 | FILE *f; |
592 | char *p; | |
0c7e37a0 | 593 | int ret = 0, stonewall; |
097b2991 | 594 | int first_sect = 1; |
ccf8f127 | 595 | int skip_fgets = 0; |
01f06b63 | 596 | int inside_skip = 0; |
ebac4655 | 597 | |
5a729cbe AC |
598 | if (!strcmp(file, "-")) |
599 | f = stdin; | |
600 | else | |
601 | f = fopen(file, "r"); | |
602 | ||
ebac4655 | 603 | if (!f) { |
aea47d44 | 604 | perror("fopen job file"); |
ebac4655 JA |
605 | return 1; |
606 | } | |
607 | ||
608 | string = malloc(4096); | |
7f7e6e59 JA |
609 | |
610 | /* | |
611 | * it's really 256 + small bit, 280 should suffice | |
612 | */ | |
613 | name = malloc(280); | |
614 | memset(name, 0, 280); | |
ebac4655 | 615 | |
0c7e37a0 | 616 | stonewall = stonewall_flag; |
7c124ac1 | 617 | do { |
ccf8f127 JA |
618 | /* |
619 | * if skip_fgets is set, we already have loaded a line we | |
620 | * haven't handled. | |
621 | */ | |
622 | if (!skip_fgets) { | |
623 | p = fgets(string, 4095, f); | |
624 | if (!p) | |
625 | break; | |
626 | } | |
cdc7f193 | 627 | |
ccf8f127 | 628 | skip_fgets = 0; |
cdc7f193 | 629 | strip_blank_front(&p); |
6c7c7da1 | 630 | strip_blank_end(p); |
cdc7f193 | 631 | |
ebac4655 JA |
632 | if (is_empty_or_comment(p)) |
633 | continue; | |
6c7c7da1 | 634 | if (sscanf(p, "[%255s]", name) != 1) { |
01f06b63 JA |
635 | if (inside_skip) |
636 | continue; | |
088b4207 JA |
637 | log_err("fio: option <%s> outside of [] job section\n", p); |
638 | break; | |
6c7c7da1 | 639 | } |
ebac4655 | 640 | |
01f06b63 JA |
641 | if (skip_this_section(name)) { |
642 | inside_skip = 1; | |
643 | continue; | |
644 | } else | |
645 | inside_skip = 0; | |
646 | ||
ebac4655 JA |
647 | global = !strncmp(name, "global", 6); |
648 | ||
649 | name[strlen(name) - 1] = '\0'; | |
650 | ||
cca73aa7 | 651 | if (dump_cmdline) { |
097b2991 JA |
652 | if (first_sect) |
653 | log_info("fio "); | |
cca73aa7 JA |
654 | if (!global) |
655 | log_info("--name=%s ", name); | |
097b2991 | 656 | first_sect = 0; |
cca73aa7 JA |
657 | } |
658 | ||
ebac4655 | 659 | td = get_new_job(global, &def_thread); |
45410acb JA |
660 | if (!td) { |
661 | ret = 1; | |
662 | break; | |
663 | } | |
ebac4655 | 664 | |
972cfd25 JA |
665 | /* |
666 | * Seperate multiple job files by a stonewall | |
667 | */ | |
f9481919 | 668 | if (!global && stonewall) { |
2dc1bbeb | 669 | td->o.stonewall = stonewall; |
972cfd25 JA |
670 | stonewall = 0; |
671 | } | |
672 | ||
ebac4655 JA |
673 | while ((p = fgets(string, 4096, f)) != NULL) { |
674 | if (is_empty_or_comment(p)) | |
675 | continue; | |
e1f36503 | 676 | |
b6754f9d | 677 | strip_blank_front(&p); |
7c124ac1 | 678 | |
ccf8f127 JA |
679 | /* |
680 | * new section, break out and make sure we don't | |
681 | * fgets() a new line at the top. | |
682 | */ | |
683 | if (p[0] == '[') { | |
684 | skip_fgets = 1; | |
7c124ac1 | 685 | break; |
ccf8f127 | 686 | } |
7c124ac1 | 687 | |
4ae3f763 | 688 | strip_blank_end(p); |
aea47d44 | 689 | |
45410acb JA |
690 | /* |
691 | * Don't break here, continue parsing options so we | |
692 | * dump all the bad ones. Makes trial/error fixups | |
693 | * easier on the user. | |
694 | */ | |
214e1eca | 695 | ret |= fio_option_parse(td, p); |
cca73aa7 JA |
696 | if (!ret && dump_cmdline) |
697 | log_info("--%s ", p); | |
ebac4655 | 698 | } |
ebac4655 | 699 | |
ccf8f127 | 700 | if (!ret) |
45410acb | 701 | ret = add_job(td, name, 0); |
ccf8f127 | 702 | else { |
b1508cf9 JA |
703 | log_err("fio: job %s dropped\n", name); |
704 | put_job(td); | |
45410acb | 705 | } |
7c124ac1 | 706 | } while (!ret); |
ebac4655 | 707 | |
cca73aa7 JA |
708 | if (dump_cmdline) |
709 | log_info("\n"); | |
710 | ||
ebac4655 JA |
711 | free(string); |
712 | free(name); | |
5a729cbe AC |
713 | if (f != stdin) |
714 | fclose(f); | |
45410acb | 715 | return ret; |
ebac4655 JA |
716 | } |
717 | ||
718 | static int fill_def_thread(void) | |
719 | { | |
720 | memset(&def_thread, 0, sizeof(def_thread)); | |
721 | ||
375b2695 | 722 | fio_getaffinity(getpid(), &def_thread.o.cpumask); |
ebac4655 JA |
723 | |
724 | /* | |
ee738499 | 725 | * fill default options |
ebac4655 | 726 | */ |
214e1eca | 727 | fio_fill_default_options(&def_thread); |
ee738499 | 728 | |
2dc1bbeb JA |
729 | def_thread.o.timeout = def_timeout; |
730 | def_thread.o.write_bw_log = write_bw_log; | |
731 | def_thread.o.write_lat_log = write_lat_log; | |
ee738499 | 732 | |
ebac4655 JA |
733 | return 0; |
734 | } | |
735 | ||
214e1eca JA |
736 | static void free_shm(void) |
737 | { | |
738 | struct shmid_ds sbuf; | |
739 | ||
740 | if (threads) { | |
741 | shmdt((void *) threads); | |
742 | threads = NULL; | |
743 | shmctl(shm_id, IPC_RMID, &sbuf); | |
744 | } | |
745 | } | |
746 | ||
747 | /* | |
748 | * The thread area is shared between the main process and the job | |
749 | * threads/processes. So setup a shared memory segment that will hold | |
750 | * all the job info. | |
751 | */ | |
752 | static int setup_thread_area(void) | |
753 | { | |
754 | /* | |
755 | * 1024 is too much on some machines, scale max_jobs if | |
756 | * we get a failure that looks like too large a shm segment | |
757 | */ | |
758 | do { | |
759 | size_t size = max_jobs * sizeof(struct thread_data); | |
760 | ||
761 | shm_id = shmget(0, size, IPC_CREAT | 0600); | |
762 | if (shm_id != -1) | |
763 | break; | |
764 | if (errno != EINVAL) { | |
765 | perror("shmget"); | |
766 | break; | |
767 | } | |
768 | ||
769 | max_jobs >>= 1; | |
770 | } while (max_jobs); | |
771 | ||
772 | if (shm_id == -1) | |
773 | return 1; | |
774 | ||
775 | threads = shmat(shm_id, NULL, 0); | |
776 | if (threads == (void *) -1) { | |
777 | perror("shmat"); | |
778 | return 1; | |
779 | } | |
780 | ||
1f809d15 | 781 | memset(threads, 0, max_jobs * sizeof(struct thread_data)); |
214e1eca JA |
782 | atexit(free_shm); |
783 | return 0; | |
784 | } | |
785 | ||
45378b35 | 786 | static void usage(const char *name) |
4785f995 JA |
787 | { |
788 | printf("%s\n", fio_version_string); | |
45378b35 | 789 | printf("%s [options] [job options] <job file(s)>\n", name); |
ee56ad50 | 790 | printf("\t--debug=options\tEnable debug logging\n"); |
b4692828 JA |
791 | printf("\t--output\tWrite output to file\n"); |
792 | printf("\t--timeout\tRuntime in seconds\n"); | |
793 | printf("\t--latency-log\tGenerate per-job latency logs\n"); | |
794 | printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n"); | |
795 | printf("\t--minimal\tMinimal (terse) output\n"); | |
796 | printf("\t--version\tPrint version info and exit\n"); | |
fd28ca49 JA |
797 | printf("\t--help\t\tPrint this page\n"); |
798 | printf("\t--cmdhelp=cmd\tPrint command help, \"all\" for all of them\n"); | |
cca73aa7 | 799 | printf("\t--showcmd\tTurn a job file into command line options\n"); |
e592a06b AC |
800 | printf("\t--eta=when\tWhen ETA estimate should be printed\n"); |
801 | printf("\t \tMay be \"always\", \"never\" or \"auto\"\n"); | |
062c6022 | 802 | printf("\t--readonly\tTurn on safety read-only checks, preventing writes\n"); |
01f06b63 | 803 | printf("\t--section=name\tOnly run specified section in job file\n"); |
4785f995 JA |
804 | } |
805 | ||
79e48f72 | 806 | #ifdef FIO_INC_DEBUG |
ee56ad50 | 807 | struct debug_level debug_levels[] = { |
bd6f78b2 JA |
808 | { .name = "process", .shift = FD_PROCESS, }, |
809 | { .name = "file", .shift = FD_FILE, }, | |
810 | { .name = "io", .shift = FD_IO, }, | |
811 | { .name = "mem", .shift = FD_MEM, }, | |
812 | { .name = "blktrace", .shift = FD_BLKTRACE }, | |
813 | { .name = "verify", .shift = FD_VERIFY }, | |
84422acd | 814 | { .name = "random", .shift = FD_RANDOM }, |
ee56ad50 JA |
815 | { }, |
816 | }; | |
817 | ||
c09823ab | 818 | static int set_debug(const char *string) |
ee56ad50 JA |
819 | { |
820 | struct debug_level *dl; | |
821 | char *p = (char *) string; | |
822 | char *opt; | |
823 | int i; | |
824 | ||
825 | if (!strcmp(string, "?") || !strcmp(string, "help")) { | |
826 | int i; | |
827 | ||
828 | log_info("fio: dumping debug options:"); | |
829 | for (i = 0; debug_levels[i].name; i++) { | |
830 | dl = &debug_levels[i]; | |
831 | log_info("%s,", dl->name); | |
832 | } | |
bd6f78b2 | 833 | log_info("all\n"); |
c09823ab | 834 | return 1; |
bd6f78b2 JA |
835 | } else if (!strcmp(string, "all")) { |
836 | fio_debug = ~0UL; | |
c09823ab | 837 | return 0; |
ee56ad50 JA |
838 | } |
839 | ||
840 | while ((opt = strsep(&p, ",")) != NULL) { | |
841 | int found = 0; | |
842 | ||
843 | for (i = 0; debug_levels[i].name; i++) { | |
844 | dl = &debug_levels[i]; | |
845 | if (!strncmp(opt, dl->name, strlen(opt))) { | |
846 | log_info("fio: set debug option %s\n", opt); | |
847 | found = 1; | |
bd6f78b2 | 848 | fio_debug |= (1UL << dl->shift); |
ee56ad50 JA |
849 | break; |
850 | } | |
851 | } | |
852 | ||
853 | if (!found) | |
854 | log_err("fio: debug mask %s not found\n", opt); | |
855 | } | |
c09823ab | 856 | return 0; |
ee56ad50 | 857 | } |
79e48f72 JA |
858 | #else |
859 | static void set_debug(const char *string) | |
860 | { | |
861 | log_err("fio: debug tracing not included in build\n"); | |
c09823ab | 862 | return 1; |
79e48f72 JA |
863 | } |
864 | #endif | |
ee56ad50 | 865 | |
972cfd25 | 866 | static int parse_cmd_line(int argc, char *argv[]) |
ebac4655 | 867 | { |
b4692828 | 868 | struct thread_data *td = NULL; |
c09823ab | 869 | int c, ini_idx = 0, lidx, ret = 0, do_exit = 0, exit_val = 0; |
ebac4655 | 870 | |
0be06ea2 | 871 | while ((c = getopt_long_only(argc, argv, "", long_options, &lidx)) != -1) { |
ebac4655 | 872 | switch (c) { |
b4692828 JA |
873 | case 't': |
874 | def_timeout = atoi(optarg); | |
875 | break; | |
876 | case 'l': | |
877 | write_lat_log = 1; | |
878 | break; | |
879 | case 'w': | |
880 | write_bw_log = 1; | |
881 | break; | |
882 | case 'o': | |
883 | f_out = fopen(optarg, "w+"); | |
884 | if (!f_out) { | |
885 | perror("fopen output"); | |
886 | exit(1); | |
887 | } | |
888 | f_err = f_out; | |
889 | break; | |
890 | case 'm': | |
891 | terse_output = 1; | |
892 | break; | |
893 | case 'h': | |
45378b35 | 894 | usage(argv[0]); |
b4692828 | 895 | exit(0); |
fd28ca49 | 896 | case 'c': |
214e1eca | 897 | exit(fio_show_option_help(optarg)); |
cca73aa7 JA |
898 | case 's': |
899 | dump_cmdline = 1; | |
900 | break; | |
724e4435 JA |
901 | case 'r': |
902 | read_only = 1; | |
903 | break; | |
b4692828 JA |
904 | case 'v': |
905 | printf("%s\n", fio_version_string); | |
906 | exit(0); | |
e592a06b AC |
907 | case 'e': |
908 | if (!strcmp("always", optarg)) | |
909 | eta_print = FIO_ETA_ALWAYS; | |
910 | else if (!strcmp("never", optarg)) | |
911 | eta_print = FIO_ETA_NEVER; | |
912 | break; | |
ee56ad50 | 913 | case 'd': |
c09823ab JA |
914 | if (set_debug(optarg)) |
915 | do_exit++; | |
ee56ad50 | 916 | break; |
01f06b63 JA |
917 | case 'x': |
918 | if (!strcmp(optarg, "global")) { | |
919 | log_err("fio: can't use global as only section\n"); | |
c09823ab JA |
920 | do_exit++; |
921 | exit_val = 1; | |
01f06b63 JA |
922 | break; |
923 | } | |
924 | if (job_section) | |
925 | free(job_section); | |
926 | job_section = strdup(optarg); | |
927 | break; | |
b4692828 JA |
928 | case FIO_GETOPT_JOB: { |
929 | const char *opt = long_options[lidx].name; | |
930 | char *val = optarg; | |
931 | ||
c2b1e753 | 932 | if (!strncmp(opt, "name", 4) && td) { |
2dc1bbeb | 933 | ret = add_job(td, td->o.name ?: "fio", 0); |
c2b1e753 JA |
934 | if (ret) { |
935 | put_job(td); | |
936 | return 0; | |
937 | } | |
938 | td = NULL; | |
939 | } | |
b4692828 | 940 | if (!td) { |
01f06b63 | 941 | int is_section = !strncmp(opt, "name", 4); |
3106f220 JA |
942 | int global = 0; |
943 | ||
01f06b63 | 944 | if (!is_section || !strncmp(val, "global", 6)) |
3106f220 | 945 | global = 1; |
c2b1e753 | 946 | |
01f06b63 JA |
947 | if (is_section && skip_this_section(val)) |
948 | continue; | |
949 | ||
c2b1e753 | 950 | td = get_new_job(global, &def_thread); |
b4692828 JA |
951 | if (!td) |
952 | return 0; | |
953 | } | |
38d0adb0 | 954 | |
214e1eca | 955 | ret = fio_cmd_option_parse(td, opt, val); |
b4692828 JA |
956 | break; |
957 | } | |
958 | default: | |
c09823ab JA |
959 | do_exit++; |
960 | exit_val = 1; | |
b4692828 | 961 | break; |
ebac4655 JA |
962 | } |
963 | } | |
c9fad893 | 964 | |
c09823ab JA |
965 | if (do_exit) |
966 | exit(exit_val); | |
536582bf | 967 | |
b4692828 | 968 | if (td) { |
7d6a8904 | 969 | if (!ret) |
2dc1bbeb | 970 | ret = add_job(td, td->o.name ?: "fio", 0); |
7d6a8904 JA |
971 | if (ret) |
972 | put_job(td); | |
972cfd25 | 973 | } |
774a6177 | 974 | |
b4692828 JA |
975 | while (optind < argc) { |
976 | ini_idx++; | |
977 | ini_file = realloc(ini_file, ini_idx * sizeof(char *)); | |
978 | ini_file[ini_idx - 1] = strdup(argv[optind]); | |
979 | optind++; | |
eb8bbf48 | 980 | } |
972cfd25 JA |
981 | |
982 | return ini_idx; | |
ebac4655 JA |
983 | } |
984 | ||
ebac4655 JA |
985 | int parse_options(int argc, char *argv[]) |
986 | { | |
972cfd25 JA |
987 | int job_files, i; |
988 | ||
b4692828 JA |
989 | f_out = stdout; |
990 | f_err = stderr; | |
991 | ||
214e1eca | 992 | fio_options_dup_and_init(long_options); |
b4692828 | 993 | |
ebac4655 JA |
994 | if (setup_thread_area()) |
995 | return 1; | |
996 | if (fill_def_thread()) | |
997 | return 1; | |
998 | ||
972cfd25 | 999 | job_files = parse_cmd_line(argc, argv); |
ebac4655 | 1000 | |
972cfd25 JA |
1001 | for (i = 0; i < job_files; i++) { |
1002 | if (fill_def_thread()) | |
1003 | return 1; | |
0c7e37a0 | 1004 | if (parse_jobs_ini(ini_file[i], i)) |
972cfd25 | 1005 | return 1; |
88c6ed80 | 1006 | free(ini_file[i]); |
972cfd25 | 1007 | } |
ebac4655 | 1008 | |
88c6ed80 | 1009 | free(ini_file); |
d23bb327 | 1010 | options_mem_free(&def_thread); |
b4692828 JA |
1011 | |
1012 | if (!thread_number) { | |
cca73aa7 JA |
1013 | if (dump_cmdline) |
1014 | return 0; | |
1015 | ||
b4692828 | 1016 | log_err("No jobs defined(s)\n"); |
45378b35 | 1017 | usage(argv[0]); |
b4692828 JA |
1018 | return 1; |
1019 | } | |
1020 | ||
ebac4655 JA |
1021 | return 0; |
1022 | } |