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 | |
e6203e9e | 20 | static char fio_version_string[] = "fio 1.17.1"; |
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 | ||
4e991c23 | 296 | return 0; |
e1f36503 JA |
297 | } |
298 | ||
f8977ee6 JA |
299 | /* |
300 | * This function leaks the buffer | |
301 | */ | |
302 | static char *to_kmg(unsigned int val) | |
303 | { | |
304 | char *buf = malloc(32); | |
f3502ba2 | 305 | char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 }; |
f8977ee6 JA |
306 | char *p = post; |
307 | ||
245142ff | 308 | do { |
f8977ee6 JA |
309 | if (val & 1023) |
310 | break; | |
311 | ||
312 | val >>= 10; | |
313 | p++; | |
245142ff | 314 | } while (*p); |
f8977ee6 JA |
315 | |
316 | snprintf(buf, 31, "%u%c", val, *p); | |
317 | return buf; | |
318 | } | |
319 | ||
09629a90 JA |
320 | /* External engines are specified by "external:name.o") */ |
321 | static const char *get_engine_name(const char *str) | |
322 | { | |
323 | char *p = strstr(str, ":"); | |
324 | ||
325 | if (!p) | |
326 | return str; | |
327 | ||
328 | p++; | |
329 | strip_blank_front(&p); | |
330 | strip_blank_end(p); | |
331 | return p; | |
332 | } | |
333 | ||
e132cbae JA |
334 | static int exists_and_not_file(const char *filename) |
335 | { | |
336 | struct stat sb; | |
337 | ||
338 | if (lstat(filename, &sb) == -1) | |
339 | return 0; | |
340 | ||
341 | if (S_ISREG(sb.st_mode)) | |
342 | return 0; | |
343 | ||
344 | return 1; | |
345 | } | |
346 | ||
9c60ce64 JA |
347 | /* |
348 | * Initialize the various random states we need (random io, block size ranges, | |
349 | * read/write mix, etc). | |
350 | */ | |
351 | static int init_random_state(struct thread_data *td) | |
352 | { | |
353 | unsigned long seeds[6]; | |
68727076 | 354 | int fd; |
9c60ce64 JA |
355 | |
356 | fd = open("/dev/urandom", O_RDONLY); | |
357 | if (fd == -1) { | |
358 | td_verror(td, errno, "open"); | |
359 | return 1; | |
360 | } | |
361 | ||
362 | if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) { | |
363 | td_verror(td, EIO, "read"); | |
364 | close(fd); | |
365 | return 1; | |
366 | } | |
367 | ||
368 | close(fd); | |
369 | ||
370 | os_random_seed(seeds[0], &td->bsrange_state); | |
371 | os_random_seed(seeds[1], &td->verify_state); | |
372 | os_random_seed(seeds[2], &td->rwmix_state); | |
373 | ||
2dc1bbeb | 374 | if (td->o.file_service_type == FIO_FSERVICE_RANDOM) |
9c60ce64 JA |
375 | os_random_seed(seeds[3], &td->next_file_state); |
376 | ||
377 | os_random_seed(seeds[5], &td->file_size_state); | |
378 | ||
379 | if (!td_random(td)) | |
380 | return 0; | |
381 | ||
2dc1bbeb | 382 | if (td->o.rand_repeatable) |
9c60ce64 JA |
383 | seeds[4] = FIO_RANDSEED * td->thread_number; |
384 | ||
9c60ce64 JA |
385 | os_random_seed(seeds[4], &td->random_state); |
386 | return 0; | |
387 | } | |
388 | ||
906c8d75 JA |
389 | /* |
390 | * Adds a job to the list of things todo. Sanitizes the various options | |
391 | * to make sure we don't have conflicts, and initializes various | |
392 | * members of td. | |
393 | */ | |
75154845 | 394 | static int add_job(struct thread_data *td, const char *jobname, int job_add_num) |
ebac4655 | 395 | { |
413dd459 JA |
396 | const char *ddir_str[] = { NULL, "read", "write", "rw", NULL, |
397 | "randread", "randwrite", "randrw" }; | |
af52b345 | 398 | unsigned int i; |
09629a90 | 399 | const char *engine; |
af52b345 | 400 | char fname[PATH_MAX]; |
e132cbae | 401 | int numjobs, file_alloced; |
ebac4655 | 402 | |
ebac4655 JA |
403 | /* |
404 | * the def_thread is just for options, it's not a real job | |
405 | */ | |
406 | if (td == &def_thread) | |
407 | return 0; | |
408 | ||
cca73aa7 JA |
409 | /* |
410 | * if we are just dumping the output command line, don't add the job | |
411 | */ | |
412 | if (dump_cmdline) { | |
413 | put_job(td); | |
414 | return 0; | |
415 | } | |
416 | ||
2dc1bbeb | 417 | engine = get_engine_name(td->o.ioengine); |
09629a90 JA |
418 | td->io_ops = load_ioengine(td, engine); |
419 | if (!td->io_ops) { | |
420 | log_err("fio: failed to load engine %s\n", engine); | |
205927a3 | 421 | goto err; |
09629a90 | 422 | } |
df64119d | 423 | |
2dc1bbeb | 424 | if (td->o.use_thread) |
9cedf167 JA |
425 | nr_thread++; |
426 | else | |
427 | nr_process++; | |
428 | ||
2dc1bbeb | 429 | if (td->o.odirect) |
690adba3 JA |
430 | td->io_ops->flags |= FIO_RAWIO; |
431 | ||
e132cbae | 432 | file_alloced = 0; |
2dc1bbeb | 433 | if (!td->o.filename && !td->files_index) { |
e132cbae | 434 | file_alloced = 1; |
80be24f4 | 435 | |
2dc1bbeb | 436 | if (td->o.nr_files == 1 && exists_and_not_file(jobname)) |
e132cbae | 437 | add_file(td, jobname); |
7b05a215 | 438 | else { |
2dc1bbeb | 439 | for (i = 0; i < td->o.nr_files; i++) { |
e132cbae | 440 | sprintf(fname, "%s.%d.%d", jobname, td->thread_number, i); |
7b05a215 JA |
441 | add_file(td, fname); |
442 | } | |
af52b345 | 443 | } |
0af7b542 | 444 | } |
ebac4655 | 445 | |
4e991c23 JA |
446 | if (fixup_options(td)) |
447 | goto err; | |
e0a22335 | 448 | |
07eb79df JA |
449 | if (td->io_ops->flags & FIO_DISKLESSIO) { |
450 | struct fio_file *f; | |
451 | ||
452 | for_each_file(td, f, i) | |
453 | f->real_file_size = -1ULL; | |
454 | } | |
455 | ||
07739b57 | 456 | td->mutex = fio_sem_init(0); |
ebac4655 | 457 | |
756867bd JA |
458 | td->ts.clat_stat[0].min_val = td->ts.clat_stat[1].min_val = ULONG_MAX; |
459 | td->ts.slat_stat[0].min_val = td->ts.slat_stat[1].min_val = ULONG_MAX; | |
460 | td->ts.bw_stat[0].min_val = td->ts.bw_stat[1].min_val = ULONG_MAX; | |
1e3d53ac | 461 | td->ddir_nr = td->o.ddir_nr; |
ebac4655 | 462 | |
b3d62a75 JA |
463 | if ((td->o.stonewall || td->o.numjobs > 1 || td->o.new_group) |
464 | && prev_group_jobs) { | |
3c5df6fa | 465 | prev_group_jobs = 0; |
ebac4655 | 466 | groupid++; |
3c5df6fa | 467 | } |
ebac4655 JA |
468 | |
469 | td->groupid = groupid; | |
3c5df6fa | 470 | prev_group_jobs++; |
ebac4655 | 471 | |
9c60ce64 JA |
472 | if (init_random_state(td)) |
473 | goto err; | |
474 | ||
ebac4655 JA |
475 | if (setup_rate(td)) |
476 | goto err; | |
477 | ||
2dc1bbeb | 478 | if (td->o.write_lat_log) { |
756867bd JA |
479 | setup_log(&td->ts.slat_log); |
480 | setup_log(&td->ts.clat_log); | |
ebac4655 | 481 | } |
2dc1bbeb | 482 | if (td->o.write_bw_log) |
756867bd | 483 | setup_log(&td->ts.bw_log); |
ebac4655 | 484 | |
2dc1bbeb JA |
485 | if (!td->o.name) |
486 | td->o.name = strdup(jobname); | |
01452055 | 487 | |
c6ae0a5b | 488 | if (!terse_output) { |
b990b5c0 | 489 | if (!job_add_num) { |
ba0fbe10 | 490 | if (!strcmp(td->io_ops->name, "cpuio")) |
2dc1bbeb | 491 | log_info("%s: ioengine=cpu, cpuload=%u, cpucycle=%u\n", td->o.name, td->o.cpuload, td->o.cpucycle); |
f8977ee6 JA |
492 | else { |
493 | char *c1, *c2, *c3, *c4; | |
494 | ||
2dc1bbeb JA |
495 | c1 = to_kmg(td->o.min_bs[DDIR_READ]); |
496 | c2 = to_kmg(td->o.max_bs[DDIR_READ]); | |
497 | c3 = to_kmg(td->o.min_bs[DDIR_WRITE]); | |
498 | c4 = to_kmg(td->o.max_bs[DDIR_WRITE]); | |
f8977ee6 | 499 | |
2dc1bbeb | 500 | 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 |
501 | |
502 | free(c1); | |
503 | free(c2); | |
504 | free(c3); | |
505 | free(c4); | |
506 | } | |
b990b5c0 | 507 | } else if (job_add_num == 1) |
6d86144d | 508 | log_info("...\n"); |
c6ae0a5b | 509 | } |
ebac4655 JA |
510 | |
511 | /* | |
512 | * recurse add identical jobs, clear numjobs and stonewall options | |
513 | * as they don't apply to sub-jobs | |
514 | */ | |
2dc1bbeb | 515 | numjobs = td->o.numjobs; |
ebac4655 JA |
516 | while (--numjobs) { |
517 | struct thread_data *td_new = get_new_job(0, td); | |
518 | ||
519 | if (!td_new) | |
520 | goto err; | |
521 | ||
2dc1bbeb JA |
522 | td_new->o.numjobs = 1; |
523 | td_new->o.stonewall = 0; | |
92c1d41f | 524 | td_new->o.new_group = 0; |
e132cbae JA |
525 | |
526 | if (file_alloced) { | |
2dc1bbeb | 527 | td_new->o.filename = NULL; |
e132cbae JA |
528 | td_new->files_index = 0; |
529 | td_new->files = NULL; | |
530 | } | |
531 | ||
75154845 | 532 | job_add_num = numjobs - 1; |
ebac4655 | 533 | |
75154845 | 534 | if (add_job(td_new, jobname, job_add_num)) |
ebac4655 JA |
535 | goto err; |
536 | } | |
3c5df6fa | 537 | |
ebac4655 JA |
538 | return 0; |
539 | err: | |
540 | put_job(td); | |
541 | return -1; | |
542 | } | |
543 | ||
ebac4655 JA |
544 | static int is_empty_or_comment(char *line) |
545 | { | |
546 | unsigned int i; | |
547 | ||
548 | for (i = 0; i < strlen(line); i++) { | |
549 | if (line[i] == ';') | |
550 | return 1; | |
5cc2da30 IM |
551 | if (line[i] == '#') |
552 | return 1; | |
ebac4655 JA |
553 | if (!isspace(line[i]) && !iscntrl(line[i])) |
554 | return 0; | |
555 | } | |
556 | ||
557 | return 1; | |
558 | } | |
559 | ||
07261983 JA |
560 | /* |
561 | * This is our [ini] type file parser. | |
562 | */ | |
1e97cce9 | 563 | static int parse_jobs_ini(char *file, int stonewall_flag) |
ebac4655 | 564 | { |
e1f36503 | 565 | unsigned int global; |
ebac4655 | 566 | struct thread_data *td; |
fee3bb48 | 567 | char *string, *name; |
ebac4655 JA |
568 | FILE *f; |
569 | char *p; | |
0c7e37a0 | 570 | int ret = 0, stonewall; |
097b2991 | 571 | int first_sect = 1; |
ccf8f127 | 572 | int skip_fgets = 0; |
ebac4655 | 573 | |
5a729cbe AC |
574 | if (!strcmp(file, "-")) |
575 | f = stdin; | |
576 | else | |
577 | f = fopen(file, "r"); | |
578 | ||
ebac4655 | 579 | if (!f) { |
aea47d44 | 580 | perror("fopen job file"); |
ebac4655 JA |
581 | return 1; |
582 | } | |
583 | ||
584 | string = malloc(4096); | |
7f7e6e59 JA |
585 | |
586 | /* | |
587 | * it's really 256 + small bit, 280 should suffice | |
588 | */ | |
589 | name = malloc(280); | |
590 | memset(name, 0, 280); | |
ebac4655 | 591 | |
0c7e37a0 | 592 | stonewall = stonewall_flag; |
7c124ac1 | 593 | do { |
ccf8f127 JA |
594 | /* |
595 | * if skip_fgets is set, we already have loaded a line we | |
596 | * haven't handled. | |
597 | */ | |
598 | if (!skip_fgets) { | |
599 | p = fgets(string, 4095, f); | |
600 | if (!p) | |
601 | break; | |
602 | } | |
cdc7f193 | 603 | |
ccf8f127 | 604 | skip_fgets = 0; |
cdc7f193 | 605 | strip_blank_front(&p); |
6c7c7da1 | 606 | strip_blank_end(p); |
cdc7f193 | 607 | |
ebac4655 JA |
608 | if (is_empty_or_comment(p)) |
609 | continue; | |
6c7c7da1 | 610 | if (sscanf(p, "[%255s]", name) != 1) { |
088b4207 JA |
611 | log_err("fio: option <%s> outside of [] job section\n", p); |
612 | break; | |
6c7c7da1 | 613 | } |
ebac4655 JA |
614 | |
615 | global = !strncmp(name, "global", 6); | |
616 | ||
617 | name[strlen(name) - 1] = '\0'; | |
618 | ||
cca73aa7 | 619 | if (dump_cmdline) { |
097b2991 JA |
620 | if (first_sect) |
621 | log_info("fio "); | |
cca73aa7 JA |
622 | if (!global) |
623 | log_info("--name=%s ", name); | |
097b2991 | 624 | first_sect = 0; |
cca73aa7 JA |
625 | } |
626 | ||
ebac4655 | 627 | td = get_new_job(global, &def_thread); |
45410acb JA |
628 | if (!td) { |
629 | ret = 1; | |
630 | break; | |
631 | } | |
ebac4655 | 632 | |
972cfd25 JA |
633 | /* |
634 | * Seperate multiple job files by a stonewall | |
635 | */ | |
f9481919 | 636 | if (!global && stonewall) { |
2dc1bbeb | 637 | td->o.stonewall = stonewall; |
972cfd25 JA |
638 | stonewall = 0; |
639 | } | |
640 | ||
ebac4655 JA |
641 | while ((p = fgets(string, 4096, f)) != NULL) { |
642 | if (is_empty_or_comment(p)) | |
643 | continue; | |
e1f36503 | 644 | |
b6754f9d | 645 | strip_blank_front(&p); |
7c124ac1 | 646 | |
ccf8f127 JA |
647 | /* |
648 | * new section, break out and make sure we don't | |
649 | * fgets() a new line at the top. | |
650 | */ | |
651 | if (p[0] == '[') { | |
652 | skip_fgets = 1; | |
7c124ac1 | 653 | break; |
ccf8f127 | 654 | } |
7c124ac1 | 655 | |
4ae3f763 | 656 | strip_blank_end(p); |
aea47d44 | 657 | |
45410acb JA |
658 | /* |
659 | * Don't break here, continue parsing options so we | |
660 | * dump all the bad ones. Makes trial/error fixups | |
661 | * easier on the user. | |
662 | */ | |
214e1eca | 663 | ret |= fio_option_parse(td, p); |
cca73aa7 JA |
664 | if (!ret && dump_cmdline) |
665 | log_info("--%s ", p); | |
ebac4655 | 666 | } |
ebac4655 | 667 | |
ccf8f127 | 668 | if (!ret) |
45410acb | 669 | ret = add_job(td, name, 0); |
ccf8f127 | 670 | else { |
b1508cf9 JA |
671 | log_err("fio: job %s dropped\n", name); |
672 | put_job(td); | |
45410acb | 673 | } |
7c124ac1 | 674 | } while (!ret); |
ebac4655 | 675 | |
cca73aa7 JA |
676 | if (dump_cmdline) |
677 | log_info("\n"); | |
678 | ||
ebac4655 JA |
679 | free(string); |
680 | free(name); | |
5a729cbe AC |
681 | if (f != stdin) |
682 | fclose(f); | |
45410acb | 683 | return ret; |
ebac4655 JA |
684 | } |
685 | ||
686 | static int fill_def_thread(void) | |
687 | { | |
688 | memset(&def_thread, 0, sizeof(def_thread)); | |
689 | ||
375b2695 | 690 | fio_getaffinity(getpid(), &def_thread.o.cpumask); |
ebac4655 JA |
691 | |
692 | /* | |
ee738499 | 693 | * fill default options |
ebac4655 | 694 | */ |
214e1eca | 695 | fio_fill_default_options(&def_thread); |
ee738499 | 696 | |
2dc1bbeb JA |
697 | def_thread.o.timeout = def_timeout; |
698 | def_thread.o.write_bw_log = write_bw_log; | |
699 | def_thread.o.write_lat_log = write_lat_log; | |
ee738499 | 700 | |
ebac4655 JA |
701 | return 0; |
702 | } | |
703 | ||
214e1eca JA |
704 | static void free_shm(void) |
705 | { | |
706 | struct shmid_ds sbuf; | |
707 | ||
708 | if (threads) { | |
709 | shmdt((void *) threads); | |
710 | threads = NULL; | |
711 | shmctl(shm_id, IPC_RMID, &sbuf); | |
712 | } | |
713 | } | |
714 | ||
715 | /* | |
716 | * The thread area is shared between the main process and the job | |
717 | * threads/processes. So setup a shared memory segment that will hold | |
718 | * all the job info. | |
719 | */ | |
720 | static int setup_thread_area(void) | |
721 | { | |
722 | /* | |
723 | * 1024 is too much on some machines, scale max_jobs if | |
724 | * we get a failure that looks like too large a shm segment | |
725 | */ | |
726 | do { | |
727 | size_t size = max_jobs * sizeof(struct thread_data); | |
728 | ||
729 | shm_id = shmget(0, size, IPC_CREAT | 0600); | |
730 | if (shm_id != -1) | |
731 | break; | |
732 | if (errno != EINVAL) { | |
733 | perror("shmget"); | |
734 | break; | |
735 | } | |
736 | ||
737 | max_jobs >>= 1; | |
738 | } while (max_jobs); | |
739 | ||
740 | if (shm_id == -1) | |
741 | return 1; | |
742 | ||
743 | threads = shmat(shm_id, NULL, 0); | |
744 | if (threads == (void *) -1) { | |
745 | perror("shmat"); | |
746 | return 1; | |
747 | } | |
748 | ||
1f809d15 | 749 | memset(threads, 0, max_jobs * sizeof(struct thread_data)); |
214e1eca JA |
750 | atexit(free_shm); |
751 | return 0; | |
752 | } | |
753 | ||
0ab8db89 | 754 | static void usage(void) |
4785f995 JA |
755 | { |
756 | printf("%s\n", fio_version_string); | |
b4692828 JA |
757 | printf("\t--output\tWrite output to file\n"); |
758 | printf("\t--timeout\tRuntime in seconds\n"); | |
759 | printf("\t--latency-log\tGenerate per-job latency logs\n"); | |
760 | printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n"); | |
761 | printf("\t--minimal\tMinimal (terse) output\n"); | |
762 | printf("\t--version\tPrint version info and exit\n"); | |
fd28ca49 JA |
763 | printf("\t--help\t\tPrint this page\n"); |
764 | printf("\t--cmdhelp=cmd\tPrint command help, \"all\" for all of them\n"); | |
cca73aa7 | 765 | printf("\t--showcmd\tTurn a job file into command line options\n"); |
e592a06b AC |
766 | printf("\t--eta=when\tWhen ETA estimate should be printed\n"); |
767 | printf("\t \tMay be \"always\", \"never\" or \"auto\"\n"); | |
4785f995 JA |
768 | } |
769 | ||
972cfd25 | 770 | static int parse_cmd_line(int argc, char *argv[]) |
ebac4655 | 771 | { |
b4692828 | 772 | struct thread_data *td = NULL; |
b1ec1da6 | 773 | int c, ini_idx = 0, lidx, ret, dont_add_job = 0; |
ebac4655 | 774 | |
0be06ea2 | 775 | while ((c = getopt_long_only(argc, argv, "", long_options, &lidx)) != -1) { |
ebac4655 | 776 | switch (c) { |
b4692828 JA |
777 | case 't': |
778 | def_timeout = atoi(optarg); | |
779 | break; | |
780 | case 'l': | |
781 | write_lat_log = 1; | |
782 | break; | |
783 | case 'w': | |
784 | write_bw_log = 1; | |
785 | break; | |
786 | case 'o': | |
787 | f_out = fopen(optarg, "w+"); | |
788 | if (!f_out) { | |
789 | perror("fopen output"); | |
790 | exit(1); | |
791 | } | |
792 | f_err = f_out; | |
793 | break; | |
794 | case 'm': | |
795 | terse_output = 1; | |
796 | break; | |
797 | case 'h': | |
798 | usage(); | |
799 | exit(0); | |
fd28ca49 | 800 | case 'c': |
214e1eca | 801 | exit(fio_show_option_help(optarg)); |
cca73aa7 JA |
802 | case 's': |
803 | dump_cmdline = 1; | |
804 | break; | |
724e4435 JA |
805 | case 'r': |
806 | read_only = 1; | |
807 | break; | |
b4692828 JA |
808 | case 'v': |
809 | printf("%s\n", fio_version_string); | |
810 | exit(0); | |
e592a06b AC |
811 | case 'e': |
812 | if (!strcmp("always", optarg)) | |
813 | eta_print = FIO_ETA_ALWAYS; | |
814 | else if (!strcmp("never", optarg)) | |
815 | eta_print = FIO_ETA_NEVER; | |
816 | break; | |
b4692828 JA |
817 | case FIO_GETOPT_JOB: { |
818 | const char *opt = long_options[lidx].name; | |
819 | char *val = optarg; | |
820 | ||
c2b1e753 | 821 | if (!strncmp(opt, "name", 4) && td) { |
2dc1bbeb | 822 | ret = add_job(td, td->o.name ?: "fio", 0); |
c2b1e753 JA |
823 | if (ret) { |
824 | put_job(td); | |
825 | return 0; | |
826 | } | |
827 | td = NULL; | |
828 | } | |
b4692828 | 829 | if (!td) { |
3106f220 JA |
830 | int global = 0; |
831 | ||
832 | if (strncmp(opt, "name", 4) || | |
833 | !strncmp(val, "global", 6)) | |
834 | global = 1; | |
c2b1e753 JA |
835 | |
836 | td = get_new_job(global, &def_thread); | |
b4692828 JA |
837 | if (!td) |
838 | return 0; | |
839 | } | |
38d0adb0 | 840 | |
214e1eca | 841 | ret = fio_cmd_option_parse(td, opt, val); |
78217dfa | 842 | if (ret) |
b1ec1da6 | 843 | dont_add_job = 1; |
b4692828 JA |
844 | break; |
845 | } | |
846 | default: | |
b4692828 | 847 | break; |
ebac4655 JA |
848 | } |
849 | } | |
c9fad893 | 850 | |
b4692828 | 851 | if (td) { |
b1ec1da6 | 852 | if (dont_add_job) |
b4692828 | 853 | put_job(td); |
b1ec1da6 | 854 | else { |
2dc1bbeb | 855 | ret = add_job(td, td->o.name ?: "fio", 0); |
b1ec1da6 JA |
856 | if (ret) |
857 | put_job(td); | |
858 | } | |
972cfd25 | 859 | } |
774a6177 | 860 | |
b4692828 JA |
861 | while (optind < argc) { |
862 | ini_idx++; | |
863 | ini_file = realloc(ini_file, ini_idx * sizeof(char *)); | |
864 | ini_file[ini_idx - 1] = strdup(argv[optind]); | |
865 | optind++; | |
eb8bbf48 | 866 | } |
972cfd25 JA |
867 | |
868 | return ini_idx; | |
ebac4655 JA |
869 | } |
870 | ||
b4692828 | 871 | |
ebac4655 JA |
872 | int parse_options(int argc, char *argv[]) |
873 | { | |
972cfd25 JA |
874 | int job_files, i; |
875 | ||
b4692828 JA |
876 | f_out = stdout; |
877 | f_err = stderr; | |
878 | ||
214e1eca | 879 | fio_options_dup_and_init(long_options); |
b4692828 | 880 | |
ebac4655 JA |
881 | if (setup_thread_area()) |
882 | return 1; | |
883 | if (fill_def_thread()) | |
884 | return 1; | |
885 | ||
972cfd25 | 886 | job_files = parse_cmd_line(argc, argv); |
ebac4655 | 887 | |
972cfd25 JA |
888 | for (i = 0; i < job_files; i++) { |
889 | if (fill_def_thread()) | |
890 | return 1; | |
0c7e37a0 | 891 | if (parse_jobs_ini(ini_file[i], i)) |
972cfd25 | 892 | return 1; |
88c6ed80 | 893 | free(ini_file[i]); |
972cfd25 | 894 | } |
ebac4655 | 895 | |
88c6ed80 | 896 | free(ini_file); |
d23bb327 | 897 | options_mem_free(&def_thread); |
b4692828 JA |
898 | |
899 | if (!thread_number) { | |
cca73aa7 JA |
900 | if (dump_cmdline) |
901 | return 0; | |
902 | ||
b4692828 | 903 | log_err("No jobs defined(s)\n"); |
b4692828 JA |
904 | return 1; |
905 | } | |
906 | ||
ebac4655 JA |
907 | return 0; |
908 | } |