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" |
2e5cdb11 | 19 | #include "smalloc.h" |
ebac4655 | 20 | |
509df2bc | 21 | static char fio_version_string[] = "fio 1.19"; |
214e1eca | 22 | |
ee738499 | 23 | #define FIO_RANDSEED (0xb1899bedUL) |
ebac4655 | 24 | |
214e1eca JA |
25 | static char **ini_file; |
26 | static int max_jobs = MAX_JOBS; | |
cca73aa7 | 27 | static int dump_cmdline; |
e1f36503 | 28 | |
214e1eca JA |
29 | struct thread_data def_thread; |
30 | struct thread_data *threads = NULL; | |
e1f36503 | 31 | |
214e1eca JA |
32 | int exitall_on_terminate = 0; |
33 | int terse_output = 0; | |
e592a06b | 34 | int eta_print; |
214e1eca JA |
35 | unsigned long long mlock_size = 0; |
36 | FILE *f_out = NULL; | |
37 | FILE *f_err = NULL; | |
01f06b63 | 38 | char *job_section = NULL; |
ee738499 | 39 | |
214e1eca | 40 | int write_bw_log = 0; |
4241ea8f | 41 | int read_only = 0; |
214e1eca JA |
42 | |
43 | static int def_timeout = 0; | |
44 | static int write_lat_log = 0; | |
e1f36503 | 45 | |
214e1eca | 46 | static int prev_group_jobs; |
b4692828 | 47 | |
ee56ad50 JA |
48 | unsigned long fio_debug = 0; |
49 | ||
b4692828 JA |
50 | /* |
51 | * Command line options. These will contain the above, plus a few | |
52 | * extra that only pertain to fio itself and not jobs. | |
53 | */ | |
214e1eca | 54 | static struct option long_options[FIO_NR_OPTIONS] = { |
b4692828 JA |
55 | { |
56 | .name = "output", | |
57 | .has_arg = required_argument, | |
58 | .val = 'o', | |
59 | }, | |
60 | { | |
61 | .name = "timeout", | |
62 | .has_arg = required_argument, | |
63 | .val = 't', | |
64 | }, | |
65 | { | |
66 | .name = "latency-log", | |
67 | .has_arg = required_argument, | |
68 | .val = 'l', | |
69 | }, | |
70 | { | |
71 | .name = "bandwidth-log", | |
72 | .has_arg = required_argument, | |
73 | .val = 'b', | |
74 | }, | |
75 | { | |
76 | .name = "minimal", | |
77 | .has_arg = optional_argument, | |
78 | .val = 'm', | |
79 | }, | |
80 | { | |
81 | .name = "version", | |
82 | .has_arg = no_argument, | |
83 | .val = 'v', | |
84 | }, | |
fd28ca49 JA |
85 | { |
86 | .name = "help", | |
87 | .has_arg = no_argument, | |
88 | .val = 'h', | |
89 | }, | |
90 | { | |
91 | .name = "cmdhelp", | |
320beefe | 92 | .has_arg = optional_argument, |
fd28ca49 JA |
93 | .val = 'c', |
94 | }, | |
cca73aa7 JA |
95 | { |
96 | .name = "showcmd", | |
97 | .has_arg = no_argument, | |
724e4435 JA |
98 | .val = 's', |
99 | }, | |
100 | { | |
101 | .name = "readonly", | |
102 | .has_arg = no_argument, | |
103 | .val = 'r', | |
cca73aa7 | 104 | }, |
e592a06b AC |
105 | { |
106 | .name = "eta", | |
107 | .has_arg = required_argument, | |
108 | .val = 'e', | |
109 | }, | |
ee56ad50 JA |
110 | { |
111 | .name = "debug", | |
112 | .has_arg = required_argument, | |
113 | .val = 'd', | |
114 | }, | |
01f06b63 JA |
115 | { |
116 | .name = "section", | |
117 | .has_arg = required_argument, | |
118 | .val = 'x', | |
119 | }, | |
b4692828 JA |
120 | { |
121 | .name = NULL, | |
122 | }, | |
123 | }; | |
124 | ||
9728ce37 JB |
125 | FILE *get_f_out() |
126 | { | |
127 | return f_out; | |
128 | } | |
129 | ||
130 | FILE *get_f_err() | |
131 | { | |
132 | return f_err; | |
133 | } | |
134 | ||
906c8d75 JA |
135 | /* |
136 | * Return a free job structure. | |
137 | */ | |
ebac4655 JA |
138 | static struct thread_data *get_new_job(int global, struct thread_data *parent) |
139 | { | |
140 | struct thread_data *td; | |
141 | ||
142 | if (global) | |
143 | return &def_thread; | |
144 | if (thread_number >= max_jobs) | |
145 | return NULL; | |
146 | ||
147 | td = &threads[thread_number++]; | |
ddaeaa5a | 148 | *td = *parent; |
ebac4655 | 149 | |
cade3ef4 | 150 | dup_files(td, parent); |
d23bb327 | 151 | options_mem_dupe(td); |
cade3ef4 | 152 | |
ebac4655 | 153 | td->thread_number = thread_number; |
ebac4655 JA |
154 | return td; |
155 | } | |
156 | ||
157 | static void put_job(struct thread_data *td) | |
158 | { | |
549577a7 JA |
159 | if (td == &def_thread) |
160 | return; | |
161 | ||
16edf25d | 162 | if (td->error) |
6d86144d | 163 | log_info("fio: %s\n", td->verror); |
16edf25d | 164 | |
ebac4655 JA |
165 | memset(&threads[td->thread_number - 1], 0, sizeof(*td)); |
166 | thread_number--; | |
167 | } | |
168 | ||
127f6865 JA |
169 | static int setup_rate(struct thread_data *td) |
170 | { | |
171 | unsigned long nr_reads_per_msec; | |
172 | unsigned long long rate; | |
173 | unsigned int bs; | |
174 | ||
2dc1bbeb | 175 | if (!td->o.rate && !td->o.rate_iops) |
127f6865 JA |
176 | return 0; |
177 | ||
178 | if (td_rw(td)) | |
2dc1bbeb | 179 | bs = td->o.rw_min_bs; |
127f6865 | 180 | else if (td_read(td)) |
2dc1bbeb | 181 | bs = td->o.min_bs[DDIR_READ]; |
127f6865 | 182 | else |
2dc1bbeb | 183 | bs = td->o.min_bs[DDIR_WRITE]; |
127f6865 | 184 | |
2dc1bbeb JA |
185 | if (td->o.rate) { |
186 | rate = td->o.rate; | |
127f6865 JA |
187 | nr_reads_per_msec = (rate * 1024 * 1000LL) / bs; |
188 | } else | |
2dc1bbeb | 189 | nr_reads_per_msec = td->o.rate_iops * 1000UL; |
127f6865 JA |
190 | |
191 | if (!nr_reads_per_msec) { | |
192 | log_err("rate lower than supported\n"); | |
193 | return -1; | |
194 | } | |
195 | ||
196 | td->rate_usec_cycle = 1000000000ULL / nr_reads_per_msec; | |
197 | td->rate_pending_usleep = 0; | |
198 | return 0; | |
199 | } | |
200 | ||
dad915e3 JA |
201 | /* |
202 | * Lazy way of fixing up options that depend on each other. We could also | |
203 | * define option callback handlers, but this is easier. | |
204 | */ | |
4e991c23 | 205 | static int fixup_options(struct thread_data *td) |
e1f36503 | 206 | { |
2dc1bbeb | 207 | struct thread_options *o = &td->o; |
dad915e3 | 208 | |
724e4435 JA |
209 | if (read_only && td_write(td)) { |
210 | log_err("fio: job <%s> has write bit set, but fio is in read-only mode\n", td->o.name); | |
211 | return 1; | |
212 | } | |
213 | ||
e47f799f JA |
214 | if (o->rwmix[DDIR_READ] + o->rwmix[DDIR_WRITE] > 100) |
215 | o->rwmix[DDIR_WRITE] = 100 - o->rwmix[DDIR_READ]; | |
2dc1bbeb JA |
216 | |
217 | if (o->write_iolog_file && o->read_iolog_file) { | |
076efc7c | 218 | log_err("fio: read iolog overrides write_iolog\n"); |
2dc1bbeb JA |
219 | free(o->write_iolog_file); |
220 | o->write_iolog_file = NULL; | |
076efc7c | 221 | } |
16b462ae | 222 | |
16b462ae JA |
223 | /* |
224 | * only really works for sequential io for now, and with 1 file | |
225 | */ | |
2dc1bbeb JA |
226 | if (o->zone_size && td_random(td) && o->open_files == 1) |
227 | o->zone_size = 0; | |
16b462ae JA |
228 | |
229 | /* | |
230 | * Reads can do overwrites, we always need to pre-create the file | |
231 | */ | |
232 | if (td_read(td) || td_rw(td)) | |
2dc1bbeb | 233 | o->overwrite = 1; |
16b462ae | 234 | |
2dc1bbeb JA |
235 | if (!o->min_bs[DDIR_READ]) |
236 | o->min_bs[DDIR_READ]= o->bs[DDIR_READ]; | |
237 | if (!o->max_bs[DDIR_READ]) | |
238 | o->max_bs[DDIR_READ] = o->bs[DDIR_READ]; | |
239 | if (!o->min_bs[DDIR_WRITE]) | |
240 | o->min_bs[DDIR_WRITE]= o->bs[DDIR_WRITE]; | |
241 | if (!o->max_bs[DDIR_WRITE]) | |
242 | o->max_bs[DDIR_WRITE] = o->bs[DDIR_WRITE]; | |
a00735e6 | 243 | |
2dc1bbeb | 244 | o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]); |
a00735e6 | 245 | |
2dc1bbeb JA |
246 | if (!o->file_size_high) |
247 | o->file_size_high = o->file_size_low; | |
9c60ce64 | 248 | |
2dc1bbeb | 249 | if (o->norandommap && o->verify != VERIFY_NONE) { |
bb8895e0 | 250 | log_err("fio: norandommap given, verify disabled\n"); |
2dc1bbeb | 251 | o->verify = VERIFY_NONE; |
bb8895e0 | 252 | } |
2dc1bbeb | 253 | if (o->bs_unaligned && (o->odirect || td->io_ops->flags & FIO_RAWIO)) |
690adba3 | 254 | log_err("fio: bs_unaligned may not work with raw io\n"); |
e0a22335 | 255 | |
48097d5c JA |
256 | /* |
257 | * thinktime_spin must be less than thinktime | |
258 | */ | |
2dc1bbeb JA |
259 | if (o->thinktime_spin > o->thinktime) |
260 | o->thinktime_spin = o->thinktime; | |
e916b390 JA |
261 | |
262 | /* | |
263 | * The low water mark cannot be bigger than the iodepth | |
264 | */ | |
2dc1bbeb | 265 | if (o->iodepth_low > o->iodepth || !o->iodepth_low) { |
9467b77c JA |
266 | /* |
267 | * syslet work around - if the workload is sequential, | |
268 | * we want to let the queue drain all the way down to | |
269 | * avoid seeking between async threads | |
270 | */ | |
271 | if (!strcmp(td->io_ops->name, "syslet-rw") && !td_random(td)) | |
2dc1bbeb | 272 | o->iodepth_low = 1; |
9467b77c | 273 | else |
2dc1bbeb | 274 | o->iodepth_low = o->iodepth; |
9467b77c | 275 | } |
cb5ab512 JA |
276 | |
277 | /* | |
278 | * If batch number isn't set, default to the same as iodepth | |
279 | */ | |
2dc1bbeb JA |
280 | if (o->iodepth_batch > o->iodepth || !o->iodepth_batch) |
281 | o->iodepth_batch = o->iodepth; | |
b5af8293 | 282 | |
2dc1bbeb JA |
283 | if (o->nr_files > td->files_index) |
284 | o->nr_files = td->files_index; | |
9f9214f2 | 285 | |
2dc1bbeb JA |
286 | if (o->open_files > o->nr_files || !o->open_files) |
287 | o->open_files = o->nr_files; | |
4e991c23 | 288 | |
2dc1bbeb | 289 | if ((o->rate && o->rate_iops) || (o->ratemin && o->rate_iops_min)) { |
4e991c23 JA |
290 | log_err("fio: rate and rate_iops are mutually exclusive\n"); |
291 | return 1; | |
292 | } | |
2dc1bbeb | 293 | if ((o->rate < o->ratemin) || (o->rate_iops < o->rate_iops_min)) { |
4e991c23 JA |
294 | log_err("fio: minimum rate exceeds rate\n"); |
295 | return 1; | |
296 | } | |
297 | ||
cf4464ca JA |
298 | if (!o->timeout && o->time_based) { |
299 | log_err("fio: time_based requires a runtime/timeout setting\n"); | |
300 | o->time_based = 0; | |
301 | } | |
302 | ||
aa31f1f1 SL |
303 | if (o->fill_device && !o->size) |
304 | o->size = ULONG_LONG_MAX; | |
79713149 JA |
305 | |
306 | if (td_rw(td) && td->o.verify != VERIFY_NONE) | |
307 | log_info("fio: mixed read/write workload with verify. May not " | |
308 | "work as expected, unless you pre-populated the file\n"); | |
aa31f1f1 | 309 | |
4e991c23 | 310 | return 0; |
e1f36503 JA |
311 | } |
312 | ||
f8977ee6 JA |
313 | /* |
314 | * This function leaks the buffer | |
315 | */ | |
316 | static char *to_kmg(unsigned int val) | |
317 | { | |
318 | char *buf = malloc(32); | |
f3502ba2 | 319 | char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 }; |
f8977ee6 JA |
320 | char *p = post; |
321 | ||
245142ff | 322 | do { |
f8977ee6 JA |
323 | if (val & 1023) |
324 | break; | |
325 | ||
326 | val >>= 10; | |
327 | p++; | |
245142ff | 328 | } while (*p); |
f8977ee6 JA |
329 | |
330 | snprintf(buf, 31, "%u%c", val, *p); | |
331 | return buf; | |
332 | } | |
333 | ||
09629a90 JA |
334 | /* External engines are specified by "external:name.o") */ |
335 | static const char *get_engine_name(const char *str) | |
336 | { | |
337 | char *p = strstr(str, ":"); | |
338 | ||
339 | if (!p) | |
340 | return str; | |
341 | ||
342 | p++; | |
343 | strip_blank_front(&p); | |
344 | strip_blank_end(p); | |
345 | return p; | |
346 | } | |
347 | ||
e132cbae JA |
348 | static int exists_and_not_file(const char *filename) |
349 | { | |
350 | struct stat sb; | |
351 | ||
352 | if (lstat(filename, &sb) == -1) | |
353 | return 0; | |
354 | ||
355 | if (S_ISREG(sb.st_mode)) | |
356 | return 0; | |
357 | ||
358 | return 1; | |
359 | } | |
360 | ||
9c60ce64 JA |
361 | /* |
362 | * Initialize the various random states we need (random io, block size ranges, | |
363 | * read/write mix, etc). | |
364 | */ | |
365 | static int init_random_state(struct thread_data *td) | |
366 | { | |
367 | unsigned long seeds[6]; | |
68727076 | 368 | int fd; |
9c60ce64 JA |
369 | |
370 | fd = open("/dev/urandom", O_RDONLY); | |
371 | if (fd == -1) { | |
372 | td_verror(td, errno, "open"); | |
373 | return 1; | |
374 | } | |
375 | ||
376 | if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) { | |
377 | td_verror(td, EIO, "read"); | |
378 | close(fd); | |
379 | return 1; | |
380 | } | |
381 | ||
382 | close(fd); | |
383 | ||
384 | os_random_seed(seeds[0], &td->bsrange_state); | |
385 | os_random_seed(seeds[1], &td->verify_state); | |
386 | os_random_seed(seeds[2], &td->rwmix_state); | |
387 | ||
2dc1bbeb | 388 | if (td->o.file_service_type == FIO_FSERVICE_RANDOM) |
9c60ce64 JA |
389 | os_random_seed(seeds[3], &td->next_file_state); |
390 | ||
391 | os_random_seed(seeds[5], &td->file_size_state); | |
392 | ||
393 | if (!td_random(td)) | |
394 | return 0; | |
395 | ||
2dc1bbeb | 396 | if (td->o.rand_repeatable) |
9c60ce64 JA |
397 | seeds[4] = FIO_RANDSEED * td->thread_number; |
398 | ||
9c60ce64 JA |
399 | os_random_seed(seeds[4], &td->random_state); |
400 | return 0; | |
401 | } | |
402 | ||
906c8d75 JA |
403 | /* |
404 | * Adds a job to the list of things todo. Sanitizes the various options | |
405 | * to make sure we don't have conflicts, and initializes various | |
406 | * members of td. | |
407 | */ | |
75154845 | 408 | static int add_job(struct thread_data *td, const char *jobname, int job_add_num) |
ebac4655 | 409 | { |
413dd459 JA |
410 | const char *ddir_str[] = { NULL, "read", "write", "rw", NULL, |
411 | "randread", "randwrite", "randrw" }; | |
af52b345 | 412 | unsigned int i; |
09629a90 | 413 | const char *engine; |
af52b345 | 414 | char fname[PATH_MAX]; |
e132cbae | 415 | int numjobs, file_alloced; |
ebac4655 | 416 | |
ebac4655 JA |
417 | /* |
418 | * the def_thread is just for options, it's not a real job | |
419 | */ | |
420 | if (td == &def_thread) | |
421 | return 0; | |
422 | ||
cca73aa7 JA |
423 | /* |
424 | * if we are just dumping the output command line, don't add the job | |
425 | */ | |
426 | if (dump_cmdline) { | |
427 | put_job(td); | |
428 | return 0; | |
429 | } | |
430 | ||
2dc1bbeb | 431 | engine = get_engine_name(td->o.ioengine); |
09629a90 JA |
432 | td->io_ops = load_ioengine(td, engine); |
433 | if (!td->io_ops) { | |
434 | log_err("fio: failed to load engine %s\n", engine); | |
205927a3 | 435 | goto err; |
09629a90 | 436 | } |
df64119d | 437 | |
2dc1bbeb | 438 | if (td->o.use_thread) |
9cedf167 JA |
439 | nr_thread++; |
440 | else | |
441 | nr_process++; | |
442 | ||
2dc1bbeb | 443 | if (td->o.odirect) |
690adba3 JA |
444 | td->io_ops->flags |= FIO_RAWIO; |
445 | ||
e132cbae | 446 | file_alloced = 0; |
2dc1bbeb | 447 | if (!td->o.filename && !td->files_index) { |
e132cbae | 448 | file_alloced = 1; |
80be24f4 | 449 | |
2dc1bbeb | 450 | if (td->o.nr_files == 1 && exists_and_not_file(jobname)) |
e132cbae | 451 | add_file(td, jobname); |
7b05a215 | 452 | else { |
2dc1bbeb | 453 | for (i = 0; i < td->o.nr_files; i++) { |
e132cbae | 454 | sprintf(fname, "%s.%d.%d", jobname, td->thread_number, i); |
7b05a215 JA |
455 | add_file(td, fname); |
456 | } | |
af52b345 | 457 | } |
0af7b542 | 458 | } |
ebac4655 | 459 | |
4e991c23 JA |
460 | if (fixup_options(td)) |
461 | goto err; | |
e0a22335 | 462 | |
07eb79df JA |
463 | if (td->io_ops->flags & FIO_DISKLESSIO) { |
464 | struct fio_file *f; | |
465 | ||
466 | for_each_file(td, f, i) | |
467 | f->real_file_size = -1ULL; | |
468 | } | |
469 | ||
cdd18ad8 | 470 | td->mutex = fio_mutex_init(0); |
ebac4655 | 471 | |
756867bd JA |
472 | td->ts.clat_stat[0].min_val = td->ts.clat_stat[1].min_val = ULONG_MAX; |
473 | td->ts.slat_stat[0].min_val = td->ts.slat_stat[1].min_val = ULONG_MAX; | |
474 | td->ts.bw_stat[0].min_val = td->ts.bw_stat[1].min_val = ULONG_MAX; | |
1e3d53ac | 475 | td->ddir_nr = td->o.ddir_nr; |
ebac4655 | 476 | |
b3d62a75 JA |
477 | if ((td->o.stonewall || td->o.numjobs > 1 || td->o.new_group) |
478 | && prev_group_jobs) { | |
3c5df6fa | 479 | prev_group_jobs = 0; |
ebac4655 | 480 | groupid++; |
3c5df6fa | 481 | } |
ebac4655 JA |
482 | |
483 | td->groupid = groupid; | |
3c5df6fa | 484 | prev_group_jobs++; |
ebac4655 | 485 | |
9c60ce64 JA |
486 | if (init_random_state(td)) |
487 | goto err; | |
488 | ||
ebac4655 JA |
489 | if (setup_rate(td)) |
490 | goto err; | |
491 | ||
2dc1bbeb | 492 | if (td->o.write_lat_log) { |
756867bd JA |
493 | setup_log(&td->ts.slat_log); |
494 | setup_log(&td->ts.clat_log); | |
ebac4655 | 495 | } |
2dc1bbeb | 496 | if (td->o.write_bw_log) |
756867bd | 497 | setup_log(&td->ts.bw_log); |
ebac4655 | 498 | |
2dc1bbeb JA |
499 | if (!td->o.name) |
500 | td->o.name = strdup(jobname); | |
01452055 | 501 | |
c6ae0a5b | 502 | if (!terse_output) { |
b990b5c0 | 503 | if (!job_add_num) { |
ba0fbe10 | 504 | if (!strcmp(td->io_ops->name, "cpuio")) |
2dc1bbeb | 505 | log_info("%s: ioengine=cpu, cpuload=%u, cpucycle=%u\n", td->o.name, td->o.cpuload, td->o.cpucycle); |
f8977ee6 JA |
506 | else { |
507 | char *c1, *c2, *c3, *c4; | |
508 | ||
2dc1bbeb JA |
509 | c1 = to_kmg(td->o.min_bs[DDIR_READ]); |
510 | c2 = to_kmg(td->o.max_bs[DDIR_READ]); | |
511 | c3 = to_kmg(td->o.min_bs[DDIR_WRITE]); | |
512 | c4 = to_kmg(td->o.max_bs[DDIR_WRITE]); | |
f8977ee6 | 513 | |
2dc1bbeb | 514 | 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 |
515 | |
516 | free(c1); | |
517 | free(c2); | |
518 | free(c3); | |
519 | free(c4); | |
520 | } | |
b990b5c0 | 521 | } else if (job_add_num == 1) |
6d86144d | 522 | log_info("...\n"); |
c6ae0a5b | 523 | } |
ebac4655 JA |
524 | |
525 | /* | |
526 | * recurse add identical jobs, clear numjobs and stonewall options | |
527 | * as they don't apply to sub-jobs | |
528 | */ | |
2dc1bbeb | 529 | numjobs = td->o.numjobs; |
ebac4655 JA |
530 | while (--numjobs) { |
531 | struct thread_data *td_new = get_new_job(0, td); | |
532 | ||
533 | if (!td_new) | |
534 | goto err; | |
535 | ||
2dc1bbeb JA |
536 | td_new->o.numjobs = 1; |
537 | td_new->o.stonewall = 0; | |
92c1d41f | 538 | td_new->o.new_group = 0; |
e132cbae JA |
539 | |
540 | if (file_alloced) { | |
2dc1bbeb | 541 | td_new->o.filename = NULL; |
e132cbae JA |
542 | td_new->files_index = 0; |
543 | td_new->files = NULL; | |
544 | } | |
545 | ||
75154845 | 546 | job_add_num = numjobs - 1; |
ebac4655 | 547 | |
75154845 | 548 | if (add_job(td_new, jobname, job_add_num)) |
ebac4655 JA |
549 | goto err; |
550 | } | |
3c5df6fa | 551 | |
ebac4655 JA |
552 | return 0; |
553 | err: | |
554 | put_job(td); | |
555 | return -1; | |
556 | } | |
557 | ||
01f06b63 JA |
558 | static int skip_this_section(const char *name) |
559 | { | |
560 | if (!job_section) | |
561 | return 0; | |
562 | if (!strncmp(name, "global", 6)) | |
563 | return 0; | |
564 | ||
565 | return strncmp(job_section, name, strlen(job_section)); | |
566 | } | |
567 | ||
ebac4655 JA |
568 | static int is_empty_or_comment(char *line) |
569 | { | |
570 | unsigned int i; | |
571 | ||
572 | for (i = 0; i < strlen(line); i++) { | |
573 | if (line[i] == ';') | |
574 | return 1; | |
5cc2da30 IM |
575 | if (line[i] == '#') |
576 | return 1; | |
ebac4655 JA |
577 | if (!isspace(line[i]) && !iscntrl(line[i])) |
578 | return 0; | |
579 | } | |
580 | ||
581 | return 1; | |
582 | } | |
583 | ||
07261983 JA |
584 | /* |
585 | * This is our [ini] type file parser. | |
586 | */ | |
1e97cce9 | 587 | static int parse_jobs_ini(char *file, int stonewall_flag) |
ebac4655 | 588 | { |
e1f36503 | 589 | unsigned int global; |
ebac4655 | 590 | struct thread_data *td; |
fee3bb48 | 591 | char *string, *name; |
ebac4655 JA |
592 | FILE *f; |
593 | char *p; | |
0c7e37a0 | 594 | int ret = 0, stonewall; |
097b2991 | 595 | int first_sect = 1; |
ccf8f127 | 596 | int skip_fgets = 0; |
01f06b63 | 597 | int inside_skip = 0; |
ebac4655 | 598 | |
5a729cbe AC |
599 | if (!strcmp(file, "-")) |
600 | f = stdin; | |
601 | else | |
602 | f = fopen(file, "r"); | |
603 | ||
ebac4655 | 604 | if (!f) { |
aea47d44 | 605 | perror("fopen job file"); |
ebac4655 JA |
606 | return 1; |
607 | } | |
608 | ||
609 | string = malloc(4096); | |
7f7e6e59 JA |
610 | |
611 | /* | |
612 | * it's really 256 + small bit, 280 should suffice | |
613 | */ | |
614 | name = malloc(280); | |
615 | memset(name, 0, 280); | |
ebac4655 | 616 | |
0c7e37a0 | 617 | stonewall = stonewall_flag; |
7c124ac1 | 618 | do { |
ccf8f127 JA |
619 | /* |
620 | * if skip_fgets is set, we already have loaded a line we | |
621 | * haven't handled. | |
622 | */ | |
623 | if (!skip_fgets) { | |
624 | p = fgets(string, 4095, f); | |
625 | if (!p) | |
626 | break; | |
627 | } | |
cdc7f193 | 628 | |
ccf8f127 | 629 | skip_fgets = 0; |
cdc7f193 | 630 | strip_blank_front(&p); |
6c7c7da1 | 631 | strip_blank_end(p); |
cdc7f193 | 632 | |
ebac4655 JA |
633 | if (is_empty_or_comment(p)) |
634 | continue; | |
6c7c7da1 | 635 | if (sscanf(p, "[%255s]", name) != 1) { |
01f06b63 JA |
636 | if (inside_skip) |
637 | continue; | |
088b4207 JA |
638 | log_err("fio: option <%s> outside of [] job section\n", p); |
639 | break; | |
6c7c7da1 | 640 | } |
ebac4655 | 641 | |
01f06b63 JA |
642 | if (skip_this_section(name)) { |
643 | inside_skip = 1; | |
644 | continue; | |
645 | } else | |
646 | inside_skip = 0; | |
647 | ||
ebac4655 JA |
648 | global = !strncmp(name, "global", 6); |
649 | ||
650 | name[strlen(name) - 1] = '\0'; | |
651 | ||
cca73aa7 | 652 | if (dump_cmdline) { |
097b2991 JA |
653 | if (first_sect) |
654 | log_info("fio "); | |
cca73aa7 JA |
655 | if (!global) |
656 | log_info("--name=%s ", name); | |
097b2991 | 657 | first_sect = 0; |
cca73aa7 JA |
658 | } |
659 | ||
ebac4655 | 660 | td = get_new_job(global, &def_thread); |
45410acb JA |
661 | if (!td) { |
662 | ret = 1; | |
663 | break; | |
664 | } | |
ebac4655 | 665 | |
972cfd25 JA |
666 | /* |
667 | * Seperate multiple job files by a stonewall | |
668 | */ | |
f9481919 | 669 | if (!global && stonewall) { |
2dc1bbeb | 670 | td->o.stonewall = stonewall; |
972cfd25 JA |
671 | stonewall = 0; |
672 | } | |
673 | ||
ebac4655 JA |
674 | while ((p = fgets(string, 4096, f)) != NULL) { |
675 | if (is_empty_or_comment(p)) | |
676 | continue; | |
e1f36503 | 677 | |
b6754f9d | 678 | strip_blank_front(&p); |
7c124ac1 | 679 | |
ccf8f127 JA |
680 | /* |
681 | * new section, break out and make sure we don't | |
682 | * fgets() a new line at the top. | |
683 | */ | |
684 | if (p[0] == '[') { | |
685 | skip_fgets = 1; | |
7c124ac1 | 686 | break; |
ccf8f127 | 687 | } |
7c124ac1 | 688 | |
4ae3f763 | 689 | strip_blank_end(p); |
aea47d44 | 690 | |
45410acb JA |
691 | /* |
692 | * Don't break here, continue parsing options so we | |
693 | * dump all the bad ones. Makes trial/error fixups | |
694 | * easier on the user. | |
695 | */ | |
214e1eca | 696 | ret |= fio_option_parse(td, p); |
cca73aa7 JA |
697 | if (!ret && dump_cmdline) |
698 | log_info("--%s ", p); | |
ebac4655 | 699 | } |
ebac4655 | 700 | |
ccf8f127 | 701 | if (!ret) |
45410acb | 702 | ret = add_job(td, name, 0); |
ccf8f127 | 703 | else { |
b1508cf9 JA |
704 | log_err("fio: job %s dropped\n", name); |
705 | put_job(td); | |
45410acb | 706 | } |
7c124ac1 | 707 | } while (!ret); |
ebac4655 | 708 | |
cca73aa7 JA |
709 | if (dump_cmdline) |
710 | log_info("\n"); | |
711 | ||
ebac4655 JA |
712 | free(string); |
713 | free(name); | |
5a729cbe AC |
714 | if (f != stdin) |
715 | fclose(f); | |
45410acb | 716 | return ret; |
ebac4655 JA |
717 | } |
718 | ||
719 | static int fill_def_thread(void) | |
720 | { | |
721 | memset(&def_thread, 0, sizeof(def_thread)); | |
722 | ||
375b2695 | 723 | fio_getaffinity(getpid(), &def_thread.o.cpumask); |
ebac4655 JA |
724 | |
725 | /* | |
ee738499 | 726 | * fill default options |
ebac4655 | 727 | */ |
214e1eca | 728 | fio_fill_default_options(&def_thread); |
ee738499 | 729 | |
2dc1bbeb JA |
730 | def_thread.o.timeout = def_timeout; |
731 | def_thread.o.write_bw_log = write_bw_log; | |
732 | def_thread.o.write_lat_log = write_lat_log; | |
ee738499 | 733 | |
ebac4655 JA |
734 | return 0; |
735 | } | |
736 | ||
214e1eca JA |
737 | static void free_shm(void) |
738 | { | |
739 | struct shmid_ds sbuf; | |
740 | ||
741 | if (threads) { | |
742 | shmdt((void *) threads); | |
743 | threads = NULL; | |
744 | shmctl(shm_id, IPC_RMID, &sbuf); | |
745 | } | |
2e5cdb11 JA |
746 | |
747 | scleanup(); | |
214e1eca JA |
748 | } |
749 | ||
750 | /* | |
751 | * The thread area is shared between the main process and the job | |
752 | * threads/processes. So setup a shared memory segment that will hold | |
753 | * all the job info. | |
754 | */ | |
755 | static int setup_thread_area(void) | |
756 | { | |
757 | /* | |
758 | * 1024 is too much on some machines, scale max_jobs if | |
759 | * we get a failure that looks like too large a shm segment | |
760 | */ | |
761 | do { | |
762 | size_t size = max_jobs * sizeof(struct thread_data); | |
763 | ||
764 | shm_id = shmget(0, size, IPC_CREAT | 0600); | |
765 | if (shm_id != -1) | |
766 | break; | |
767 | if (errno != EINVAL) { | |
768 | perror("shmget"); | |
769 | break; | |
770 | } | |
771 | ||
772 | max_jobs >>= 1; | |
773 | } while (max_jobs); | |
774 | ||
775 | if (shm_id == -1) | |
776 | return 1; | |
777 | ||
778 | threads = shmat(shm_id, NULL, 0); | |
779 | if (threads == (void *) -1) { | |
780 | perror("shmat"); | |
781 | return 1; | |
782 | } | |
783 | ||
1f809d15 | 784 | memset(threads, 0, max_jobs * sizeof(struct thread_data)); |
214e1eca JA |
785 | atexit(free_shm); |
786 | return 0; | |
787 | } | |
788 | ||
45378b35 | 789 | static void usage(const char *name) |
4785f995 JA |
790 | { |
791 | printf("%s\n", fio_version_string); | |
45378b35 | 792 | printf("%s [options] [job options] <job file(s)>\n", name); |
ee56ad50 | 793 | printf("\t--debug=options\tEnable debug logging\n"); |
b4692828 JA |
794 | printf("\t--output\tWrite output to file\n"); |
795 | printf("\t--timeout\tRuntime in seconds\n"); | |
796 | printf("\t--latency-log\tGenerate per-job latency logs\n"); | |
797 | printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n"); | |
798 | printf("\t--minimal\tMinimal (terse) output\n"); | |
799 | printf("\t--version\tPrint version info and exit\n"); | |
fd28ca49 JA |
800 | printf("\t--help\t\tPrint this page\n"); |
801 | printf("\t--cmdhelp=cmd\tPrint command help, \"all\" for all of them\n"); | |
cca73aa7 | 802 | printf("\t--showcmd\tTurn a job file into command line options\n"); |
e592a06b AC |
803 | printf("\t--eta=when\tWhen ETA estimate should be printed\n"); |
804 | printf("\t \tMay be \"always\", \"never\" or \"auto\"\n"); | |
062c6022 | 805 | printf("\t--readonly\tTurn on safety read-only checks, preventing writes\n"); |
01f06b63 | 806 | printf("\t--section=name\tOnly run specified section in job file\n"); |
4785f995 JA |
807 | } |
808 | ||
79e48f72 | 809 | #ifdef FIO_INC_DEBUG |
ee56ad50 | 810 | struct debug_level debug_levels[] = { |
bd6f78b2 JA |
811 | { .name = "process", .shift = FD_PROCESS, }, |
812 | { .name = "file", .shift = FD_FILE, }, | |
813 | { .name = "io", .shift = FD_IO, }, | |
814 | { .name = "mem", .shift = FD_MEM, }, | |
815 | { .name = "blktrace", .shift = FD_BLKTRACE }, | |
816 | { .name = "verify", .shift = FD_VERIFY }, | |
84422acd | 817 | { .name = "random", .shift = FD_RANDOM }, |
a3d741fa | 818 | { .name = "parse", .shift = FD_PARSE }, |
ee56ad50 JA |
819 | { }, |
820 | }; | |
821 | ||
c09823ab | 822 | static int set_debug(const char *string) |
ee56ad50 JA |
823 | { |
824 | struct debug_level *dl; | |
825 | char *p = (char *) string; | |
826 | char *opt; | |
827 | int i; | |
828 | ||
829 | if (!strcmp(string, "?") || !strcmp(string, "help")) { | |
830 | int i; | |
831 | ||
832 | log_info("fio: dumping debug options:"); | |
833 | for (i = 0; debug_levels[i].name; i++) { | |
834 | dl = &debug_levels[i]; | |
835 | log_info("%s,", dl->name); | |
836 | } | |
bd6f78b2 | 837 | log_info("all\n"); |
c09823ab | 838 | return 1; |
bd6f78b2 JA |
839 | } else if (!strcmp(string, "all")) { |
840 | fio_debug = ~0UL; | |
c09823ab | 841 | return 0; |
ee56ad50 JA |
842 | } |
843 | ||
844 | while ((opt = strsep(&p, ",")) != NULL) { | |
845 | int found = 0; | |
846 | ||
847 | for (i = 0; debug_levels[i].name; i++) { | |
848 | dl = &debug_levels[i]; | |
849 | if (!strncmp(opt, dl->name, strlen(opt))) { | |
850 | log_info("fio: set debug option %s\n", opt); | |
851 | found = 1; | |
bd6f78b2 | 852 | fio_debug |= (1UL << dl->shift); |
ee56ad50 JA |
853 | break; |
854 | } | |
855 | } | |
856 | ||
857 | if (!found) | |
858 | log_err("fio: debug mask %s not found\n", opt); | |
859 | } | |
c09823ab | 860 | return 0; |
ee56ad50 | 861 | } |
79e48f72 JA |
862 | #else |
863 | static void set_debug(const char *string) | |
864 | { | |
865 | log_err("fio: debug tracing not included in build\n"); | |
c09823ab | 866 | return 1; |
79e48f72 JA |
867 | } |
868 | #endif | |
ee56ad50 | 869 | |
972cfd25 | 870 | static int parse_cmd_line(int argc, char *argv[]) |
ebac4655 | 871 | { |
b4692828 | 872 | struct thread_data *td = NULL; |
c09823ab | 873 | int c, ini_idx = 0, lidx, ret = 0, do_exit = 0, exit_val = 0; |
ebac4655 | 874 | |
0be06ea2 | 875 | while ((c = getopt_long_only(argc, argv, "", long_options, &lidx)) != -1) { |
ebac4655 | 876 | switch (c) { |
b4692828 JA |
877 | case 't': |
878 | def_timeout = atoi(optarg); | |
879 | break; | |
880 | case 'l': | |
881 | write_lat_log = 1; | |
882 | break; | |
883 | case 'w': | |
884 | write_bw_log = 1; | |
885 | break; | |
886 | case 'o': | |
887 | f_out = fopen(optarg, "w+"); | |
888 | if (!f_out) { | |
889 | perror("fopen output"); | |
890 | exit(1); | |
891 | } | |
892 | f_err = f_out; | |
893 | break; | |
894 | case 'm': | |
895 | terse_output = 1; | |
896 | break; | |
897 | case 'h': | |
45378b35 | 898 | usage(argv[0]); |
b4692828 | 899 | exit(0); |
fd28ca49 | 900 | case 'c': |
214e1eca | 901 | exit(fio_show_option_help(optarg)); |
cca73aa7 JA |
902 | case 's': |
903 | dump_cmdline = 1; | |
904 | break; | |
724e4435 JA |
905 | case 'r': |
906 | read_only = 1; | |
907 | break; | |
b4692828 JA |
908 | case 'v': |
909 | printf("%s\n", fio_version_string); | |
910 | exit(0); | |
e592a06b AC |
911 | case 'e': |
912 | if (!strcmp("always", optarg)) | |
913 | eta_print = FIO_ETA_ALWAYS; | |
914 | else if (!strcmp("never", optarg)) | |
915 | eta_print = FIO_ETA_NEVER; | |
916 | break; | |
ee56ad50 | 917 | case 'd': |
c09823ab JA |
918 | if (set_debug(optarg)) |
919 | do_exit++; | |
ee56ad50 | 920 | break; |
01f06b63 JA |
921 | case 'x': |
922 | if (!strcmp(optarg, "global")) { | |
923 | log_err("fio: can't use global as only section\n"); | |
c09823ab JA |
924 | do_exit++; |
925 | exit_val = 1; | |
01f06b63 JA |
926 | break; |
927 | } | |
928 | if (job_section) | |
929 | free(job_section); | |
930 | job_section = strdup(optarg); | |
931 | break; | |
b4692828 JA |
932 | case FIO_GETOPT_JOB: { |
933 | const char *opt = long_options[lidx].name; | |
934 | char *val = optarg; | |
935 | ||
c2b1e753 | 936 | if (!strncmp(opt, "name", 4) && td) { |
2dc1bbeb | 937 | ret = add_job(td, td->o.name ?: "fio", 0); |
c2b1e753 JA |
938 | if (ret) { |
939 | put_job(td); | |
940 | return 0; | |
941 | } | |
942 | td = NULL; | |
943 | } | |
b4692828 | 944 | if (!td) { |
01f06b63 | 945 | int is_section = !strncmp(opt, "name", 4); |
3106f220 JA |
946 | int global = 0; |
947 | ||
01f06b63 | 948 | if (!is_section || !strncmp(val, "global", 6)) |
3106f220 | 949 | global = 1; |
c2b1e753 | 950 | |
01f06b63 JA |
951 | if (is_section && skip_this_section(val)) |
952 | continue; | |
953 | ||
c2b1e753 | 954 | td = get_new_job(global, &def_thread); |
b4692828 JA |
955 | if (!td) |
956 | return 0; | |
957 | } | |
38d0adb0 | 958 | |
214e1eca | 959 | ret = fio_cmd_option_parse(td, opt, val); |
b4692828 JA |
960 | break; |
961 | } | |
962 | default: | |
c09823ab JA |
963 | do_exit++; |
964 | exit_val = 1; | |
b4692828 | 965 | break; |
ebac4655 JA |
966 | } |
967 | } | |
c9fad893 | 968 | |
c09823ab JA |
969 | if (do_exit) |
970 | exit(exit_val); | |
536582bf | 971 | |
b4692828 | 972 | if (td) { |
7d6a8904 | 973 | if (!ret) |
2dc1bbeb | 974 | ret = add_job(td, td->o.name ?: "fio", 0); |
7d6a8904 JA |
975 | if (ret) |
976 | put_job(td); | |
972cfd25 | 977 | } |
774a6177 | 978 | |
b4692828 JA |
979 | while (optind < argc) { |
980 | ini_idx++; | |
981 | ini_file = realloc(ini_file, ini_idx * sizeof(char *)); | |
982 | ini_file[ini_idx - 1] = strdup(argv[optind]); | |
983 | optind++; | |
eb8bbf48 | 984 | } |
972cfd25 JA |
985 | |
986 | return ini_idx; | |
ebac4655 JA |
987 | } |
988 | ||
ebac4655 JA |
989 | int parse_options(int argc, char *argv[]) |
990 | { | |
972cfd25 JA |
991 | int job_files, i; |
992 | ||
b4692828 JA |
993 | f_out = stdout; |
994 | f_err = stderr; | |
995 | ||
214e1eca | 996 | fio_options_dup_and_init(long_options); |
b4692828 | 997 | |
ebac4655 JA |
998 | if (setup_thread_area()) |
999 | return 1; | |
1000 | if (fill_def_thread()) | |
1001 | return 1; | |
1002 | ||
972cfd25 | 1003 | job_files = parse_cmd_line(argc, argv); |
ebac4655 | 1004 | |
972cfd25 JA |
1005 | for (i = 0; i < job_files; i++) { |
1006 | if (fill_def_thread()) | |
1007 | return 1; | |
0c7e37a0 | 1008 | if (parse_jobs_ini(ini_file[i], i)) |
972cfd25 | 1009 | return 1; |
88c6ed80 | 1010 | free(ini_file[i]); |
972cfd25 | 1011 | } |
ebac4655 | 1012 | |
88c6ed80 | 1013 | free(ini_file); |
d23bb327 | 1014 | options_mem_free(&def_thread); |
b4692828 JA |
1015 | |
1016 | if (!thread_number) { | |
cca73aa7 JA |
1017 | if (dump_cmdline) |
1018 | return 0; | |
1019 | ||
b4692828 | 1020 | log_err("No jobs defined(s)\n"); |
45378b35 | 1021 | usage(argv[0]); |
b4692828 JA |
1022 | return 1; |
1023 | } | |
1024 | ||
ebac4655 JA |
1025 | return 0; |
1026 | } |