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" |
380065aa | 20 | #include "filehash.h" |
ebac4655 | 21 | |
a732c9f3 | 22 | static char fio_version_string[] = "fio 1.21-rc3"; |
214e1eca | 23 | |
ee738499 | 24 | #define FIO_RANDSEED (0xb1899bedUL) |
ebac4655 | 25 | |
214e1eca JA |
26 | static char **ini_file; |
27 | static int max_jobs = MAX_JOBS; | |
cca73aa7 | 28 | static int dump_cmdline; |
e1f36503 | 29 | |
214e1eca JA |
30 | struct thread_data def_thread; |
31 | struct thread_data *threads = NULL; | |
e1f36503 | 32 | |
214e1eca JA |
33 | int exitall_on_terminate = 0; |
34 | int terse_output = 0; | |
e592a06b | 35 | int eta_print; |
214e1eca JA |
36 | unsigned long long mlock_size = 0; |
37 | FILE *f_out = NULL; | |
38 | FILE *f_err = NULL; | |
01f06b63 | 39 | char *job_section = NULL; |
ee738499 | 40 | |
214e1eca | 41 | int write_bw_log = 0; |
4241ea8f | 42 | int read_only = 0; |
214e1eca | 43 | |
5ec10eaa JA |
44 | static int def_timeout; |
45 | static int write_lat_log; | |
e1f36503 | 46 | |
214e1eca | 47 | static int prev_group_jobs; |
b4692828 | 48 | |
ee56ad50 | 49 | unsigned long fio_debug = 0; |
5e1d306e JA |
50 | unsigned int fio_debug_jobno = -1; |
51 | unsigned int *fio_debug_jobp = NULL; | |
ee56ad50 | 52 | |
b4692828 JA |
53 | /* |
54 | * Command line options. These will contain the above, plus a few | |
55 | * extra that only pertain to fio itself and not jobs. | |
56 | */ | |
5ec10eaa | 57 | static struct option l_opts[FIO_NR_OPTIONS] = { |
b4692828 JA |
58 | { |
59 | .name = "output", | |
60 | .has_arg = required_argument, | |
61 | .val = 'o', | |
62 | }, | |
63 | { | |
64 | .name = "timeout", | |
65 | .has_arg = required_argument, | |
66 | .val = 't', | |
67 | }, | |
68 | { | |
69 | .name = "latency-log", | |
70 | .has_arg = required_argument, | |
71 | .val = 'l', | |
72 | }, | |
73 | { | |
74 | .name = "bandwidth-log", | |
75 | .has_arg = required_argument, | |
76 | .val = 'b', | |
77 | }, | |
78 | { | |
79 | .name = "minimal", | |
80 | .has_arg = optional_argument, | |
81 | .val = 'm', | |
82 | }, | |
83 | { | |
84 | .name = "version", | |
85 | .has_arg = no_argument, | |
86 | .val = 'v', | |
87 | }, | |
fd28ca49 JA |
88 | { |
89 | .name = "help", | |
90 | .has_arg = no_argument, | |
91 | .val = 'h', | |
92 | }, | |
93 | { | |
94 | .name = "cmdhelp", | |
320beefe | 95 | .has_arg = optional_argument, |
fd28ca49 JA |
96 | .val = 'c', |
97 | }, | |
cca73aa7 JA |
98 | { |
99 | .name = "showcmd", | |
100 | .has_arg = no_argument, | |
724e4435 JA |
101 | .val = 's', |
102 | }, | |
103 | { | |
104 | .name = "readonly", | |
105 | .has_arg = no_argument, | |
106 | .val = 'r', | |
cca73aa7 | 107 | }, |
e592a06b AC |
108 | { |
109 | .name = "eta", | |
110 | .has_arg = required_argument, | |
111 | .val = 'e', | |
112 | }, | |
ee56ad50 JA |
113 | { |
114 | .name = "debug", | |
115 | .has_arg = required_argument, | |
116 | .val = 'd', | |
117 | }, | |
01f06b63 JA |
118 | { |
119 | .name = "section", | |
120 | .has_arg = required_argument, | |
121 | .val = 'x', | |
122 | }, | |
2b386d25 JA |
123 | { |
124 | .name = "alloc-size", | |
125 | .has_arg = required_argument, | |
126 | .val = 'a', | |
127 | }, | |
b4692828 JA |
128 | { |
129 | .name = NULL, | |
130 | }, | |
131 | }; | |
132 | ||
9728ce37 JB |
133 | FILE *get_f_out() |
134 | { | |
135 | return f_out; | |
136 | } | |
137 | ||
138 | FILE *get_f_err() | |
139 | { | |
140 | return f_err; | |
141 | } | |
142 | ||
906c8d75 JA |
143 | /* |
144 | * Return a free job structure. | |
145 | */ | |
ebac4655 JA |
146 | static struct thread_data *get_new_job(int global, struct thread_data *parent) |
147 | { | |
148 | struct thread_data *td; | |
149 | ||
150 | if (global) | |
151 | return &def_thread; | |
152 | if (thread_number >= max_jobs) | |
153 | return NULL; | |
154 | ||
155 | td = &threads[thread_number++]; | |
ddaeaa5a | 156 | *td = *parent; |
ebac4655 | 157 | |
cade3ef4 | 158 | dup_files(td, parent); |
d23bb327 | 159 | options_mem_dupe(td); |
cade3ef4 | 160 | |
ebac4655 | 161 | td->thread_number = thread_number; |
ebac4655 JA |
162 | return td; |
163 | } | |
164 | ||
165 | static void put_job(struct thread_data *td) | |
166 | { | |
549577a7 JA |
167 | if (td == &def_thread) |
168 | return; | |
169 | ||
16edf25d | 170 | if (td->error) |
6d86144d | 171 | log_info("fio: %s\n", td->verror); |
16edf25d | 172 | |
ebac4655 JA |
173 | memset(&threads[td->thread_number - 1], 0, sizeof(*td)); |
174 | thread_number--; | |
175 | } | |
176 | ||
127f6865 JA |
177 | static int setup_rate(struct thread_data *td) |
178 | { | |
179 | unsigned long nr_reads_per_msec; | |
180 | unsigned long long rate; | |
181 | unsigned int bs; | |
182 | ||
2dc1bbeb | 183 | if (!td->o.rate && !td->o.rate_iops) |
127f6865 JA |
184 | return 0; |
185 | ||
186 | if (td_rw(td)) | |
2dc1bbeb | 187 | bs = td->o.rw_min_bs; |
127f6865 | 188 | else if (td_read(td)) |
2dc1bbeb | 189 | bs = td->o.min_bs[DDIR_READ]; |
127f6865 | 190 | else |
2dc1bbeb | 191 | bs = td->o.min_bs[DDIR_WRITE]; |
127f6865 | 192 | |
2dc1bbeb JA |
193 | if (td->o.rate) { |
194 | rate = td->o.rate; | |
127f6865 JA |
195 | nr_reads_per_msec = (rate * 1024 * 1000LL) / bs; |
196 | } else | |
2dc1bbeb | 197 | nr_reads_per_msec = td->o.rate_iops * 1000UL; |
127f6865 JA |
198 | |
199 | if (!nr_reads_per_msec) { | |
200 | log_err("rate lower than supported\n"); | |
201 | return -1; | |
202 | } | |
203 | ||
204 | td->rate_usec_cycle = 1000000000ULL / nr_reads_per_msec; | |
205 | td->rate_pending_usleep = 0; | |
206 | return 0; | |
207 | } | |
208 | ||
dad915e3 JA |
209 | /* |
210 | * Lazy way of fixing up options that depend on each other. We could also | |
211 | * define option callback handlers, but this is easier. | |
212 | */ | |
4e991c23 | 213 | static int fixup_options(struct thread_data *td) |
e1f36503 | 214 | { |
2dc1bbeb | 215 | struct thread_options *o = &td->o; |
dad915e3 | 216 | |
724e4435 | 217 | if (read_only && td_write(td)) { |
5ec10eaa JA |
218 | log_err("fio: job <%s> has write bit set, but fio is in" |
219 | " read-only mode\n", td->o.name); | |
724e4435 JA |
220 | return 1; |
221 | } | |
5ec10eaa | 222 | |
2dc1bbeb | 223 | if (o->write_iolog_file && o->read_iolog_file) { |
076efc7c | 224 | log_err("fio: read iolog overrides write_iolog\n"); |
2dc1bbeb JA |
225 | free(o->write_iolog_file); |
226 | o->write_iolog_file = NULL; | |
076efc7c | 227 | } |
16b462ae | 228 | |
16b462ae JA |
229 | /* |
230 | * only really works for sequential io for now, and with 1 file | |
231 | */ | |
2dc1bbeb JA |
232 | if (o->zone_size && td_random(td) && o->open_files == 1) |
233 | o->zone_size = 0; | |
16b462ae JA |
234 | |
235 | /* | |
236 | * Reads can do overwrites, we always need to pre-create the file | |
237 | */ | |
238 | if (td_read(td) || td_rw(td)) | |
2dc1bbeb | 239 | o->overwrite = 1; |
16b462ae | 240 | |
2dc1bbeb | 241 | if (!o->min_bs[DDIR_READ]) |
5ec10eaa | 242 | o->min_bs[DDIR_READ] = o->bs[DDIR_READ]; |
2dc1bbeb JA |
243 | if (!o->max_bs[DDIR_READ]) |
244 | o->max_bs[DDIR_READ] = o->bs[DDIR_READ]; | |
245 | if (!o->min_bs[DDIR_WRITE]) | |
5ec10eaa | 246 | o->min_bs[DDIR_WRITE] = o->bs[DDIR_WRITE]; |
2dc1bbeb JA |
247 | if (!o->max_bs[DDIR_WRITE]) |
248 | o->max_bs[DDIR_WRITE] = o->bs[DDIR_WRITE]; | |
a00735e6 | 249 | |
2dc1bbeb | 250 | o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]); |
a00735e6 | 251 | |
2dc1bbeb JA |
252 | if (!o->file_size_high) |
253 | o->file_size_high = o->file_size_low; | |
9c60ce64 | 254 | |
2dc1bbeb | 255 | if (o->norandommap && o->verify != VERIFY_NONE) { |
bb8895e0 | 256 | log_err("fio: norandommap given, verify disabled\n"); |
2dc1bbeb | 257 | o->verify = VERIFY_NONE; |
bb8895e0 | 258 | } |
2dc1bbeb | 259 | if (o->bs_unaligned && (o->odirect || td->io_ops->flags & FIO_RAWIO)) |
690adba3 | 260 | log_err("fio: bs_unaligned may not work with raw io\n"); |
e0a22335 | 261 | |
48097d5c JA |
262 | /* |
263 | * thinktime_spin must be less than thinktime | |
264 | */ | |
2dc1bbeb JA |
265 | if (o->thinktime_spin > o->thinktime) |
266 | o->thinktime_spin = o->thinktime; | |
e916b390 JA |
267 | |
268 | /* | |
269 | * The low water mark cannot be bigger than the iodepth | |
270 | */ | |
2dc1bbeb | 271 | if (o->iodepth_low > o->iodepth || !o->iodepth_low) { |
9467b77c JA |
272 | /* |
273 | * syslet work around - if the workload is sequential, | |
274 | * we want to let the queue drain all the way down to | |
275 | * avoid seeking between async threads | |
276 | */ | |
277 | if (!strcmp(td->io_ops->name, "syslet-rw") && !td_random(td)) | |
2dc1bbeb | 278 | o->iodepth_low = 1; |
9467b77c | 279 | else |
2dc1bbeb | 280 | o->iodepth_low = o->iodepth; |
9467b77c | 281 | } |
cb5ab512 JA |
282 | |
283 | /* | |
284 | * If batch number isn't set, default to the same as iodepth | |
285 | */ | |
2dc1bbeb JA |
286 | if (o->iodepth_batch > o->iodepth || !o->iodepth_batch) |
287 | o->iodepth_batch = o->iodepth; | |
b5af8293 | 288 | |
2dc1bbeb JA |
289 | if (o->nr_files > td->files_index) |
290 | o->nr_files = td->files_index; | |
9f9214f2 | 291 | |
2dc1bbeb JA |
292 | if (o->open_files > o->nr_files || !o->open_files) |
293 | o->open_files = o->nr_files; | |
4e991c23 | 294 | |
2dc1bbeb | 295 | if ((o->rate && o->rate_iops) || (o->ratemin && o->rate_iops_min)) { |
4e991c23 JA |
296 | log_err("fio: rate and rate_iops are mutually exclusive\n"); |
297 | return 1; | |
298 | } | |
2dc1bbeb | 299 | if ((o->rate < o->ratemin) || (o->rate_iops < o->rate_iops_min)) { |
4e991c23 JA |
300 | log_err("fio: minimum rate exceeds rate\n"); |
301 | return 1; | |
302 | } | |
303 | ||
cf4464ca JA |
304 | if (!o->timeout && o->time_based) { |
305 | log_err("fio: time_based requires a runtime/timeout setting\n"); | |
306 | o->time_based = 0; | |
307 | } | |
308 | ||
aa31f1f1 | 309 | if (o->fill_device && !o->size) |
5921e80c | 310 | o->size = -1ULL; |
5ec10eaa | 311 | |
79713149 JA |
312 | if (td_rw(td) && td->o.verify != VERIFY_NONE) |
313 | log_info("fio: mixed read/write workload with verify. May not " | |
314 | "work as expected, unless you pre-populated the file\n"); | |
aa31f1f1 | 315 | |
41ccd845 JA |
316 | if (td->o.verify != VERIFY_NONE) |
317 | td->o.refill_buffers = 1; | |
318 | ||
4e991c23 | 319 | return 0; |
e1f36503 JA |
320 | } |
321 | ||
f8977ee6 JA |
322 | /* |
323 | * This function leaks the buffer | |
324 | */ | |
325 | static char *to_kmg(unsigned int val) | |
326 | { | |
327 | char *buf = malloc(32); | |
f3502ba2 | 328 | char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 }; |
f8977ee6 JA |
329 | char *p = post; |
330 | ||
245142ff | 331 | do { |
f8977ee6 JA |
332 | if (val & 1023) |
333 | break; | |
334 | ||
335 | val >>= 10; | |
336 | p++; | |
245142ff | 337 | } while (*p); |
f8977ee6 JA |
338 | |
339 | snprintf(buf, 31, "%u%c", val, *p); | |
340 | return buf; | |
341 | } | |
342 | ||
09629a90 JA |
343 | /* External engines are specified by "external:name.o") */ |
344 | static const char *get_engine_name(const char *str) | |
345 | { | |
346 | char *p = strstr(str, ":"); | |
347 | ||
348 | if (!p) | |
349 | return str; | |
350 | ||
351 | p++; | |
352 | strip_blank_front(&p); | |
353 | strip_blank_end(p); | |
354 | return p; | |
355 | } | |
356 | ||
e132cbae JA |
357 | static int exists_and_not_file(const char *filename) |
358 | { | |
359 | struct stat sb; | |
360 | ||
361 | if (lstat(filename, &sb) == -1) | |
362 | return 0; | |
363 | ||
364 | if (S_ISREG(sb.st_mode)) | |
365 | return 0; | |
366 | ||
367 | return 1; | |
368 | } | |
369 | ||
9c60ce64 JA |
370 | /* |
371 | * Initialize the various random states we need (random io, block size ranges, | |
372 | * read/write mix, etc). | |
373 | */ | |
374 | static int init_random_state(struct thread_data *td) | |
375 | { | |
376 | unsigned long seeds[6]; | |
68727076 | 377 | int fd; |
9c60ce64 JA |
378 | |
379 | fd = open("/dev/urandom", O_RDONLY); | |
380 | if (fd == -1) { | |
381 | td_verror(td, errno, "open"); | |
382 | return 1; | |
383 | } | |
384 | ||
385 | if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) { | |
386 | td_verror(td, EIO, "read"); | |
387 | close(fd); | |
388 | return 1; | |
389 | } | |
390 | ||
391 | close(fd); | |
392 | ||
393 | os_random_seed(seeds[0], &td->bsrange_state); | |
394 | os_random_seed(seeds[1], &td->verify_state); | |
395 | os_random_seed(seeds[2], &td->rwmix_state); | |
396 | ||
2dc1bbeb | 397 | if (td->o.file_service_type == FIO_FSERVICE_RANDOM) |
9c60ce64 JA |
398 | os_random_seed(seeds[3], &td->next_file_state); |
399 | ||
400 | os_random_seed(seeds[5], &td->file_size_state); | |
401 | ||
402 | if (!td_random(td)) | |
403 | return 0; | |
404 | ||
2dc1bbeb | 405 | if (td->o.rand_repeatable) |
9c60ce64 JA |
406 | seeds[4] = FIO_RANDSEED * td->thread_number; |
407 | ||
9c60ce64 JA |
408 | os_random_seed(seeds[4], &td->random_state); |
409 | return 0; | |
410 | } | |
411 | ||
906c8d75 JA |
412 | /* |
413 | * Adds a job to the list of things todo. Sanitizes the various options | |
414 | * to make sure we don't have conflicts, and initializes various | |
415 | * members of td. | |
416 | */ | |
75154845 | 417 | static int add_job(struct thread_data *td, const char *jobname, int job_add_num) |
ebac4655 | 418 | { |
413dd459 JA |
419 | const char *ddir_str[] = { NULL, "read", "write", "rw", NULL, |
420 | "randread", "randwrite", "randrw" }; | |
af52b345 | 421 | unsigned int i; |
09629a90 | 422 | const char *engine; |
af52b345 | 423 | char fname[PATH_MAX]; |
e132cbae | 424 | int numjobs, file_alloced; |
ebac4655 | 425 | |
ebac4655 JA |
426 | /* |
427 | * the def_thread is just for options, it's not a real job | |
428 | */ | |
429 | if (td == &def_thread) | |
430 | return 0; | |
431 | ||
cca73aa7 JA |
432 | /* |
433 | * if we are just dumping the output command line, don't add the job | |
434 | */ | |
435 | if (dump_cmdline) { | |
436 | put_job(td); | |
437 | return 0; | |
438 | } | |
439 | ||
2dc1bbeb | 440 | engine = get_engine_name(td->o.ioengine); |
09629a90 JA |
441 | td->io_ops = load_ioengine(td, engine); |
442 | if (!td->io_ops) { | |
443 | log_err("fio: failed to load engine %s\n", engine); | |
205927a3 | 444 | goto err; |
09629a90 | 445 | } |
df64119d | 446 | |
2dc1bbeb | 447 | if (td->o.use_thread) |
9cedf167 JA |
448 | nr_thread++; |
449 | else | |
450 | nr_process++; | |
451 | ||
2dc1bbeb | 452 | if (td->o.odirect) |
690adba3 JA |
453 | td->io_ops->flags |= FIO_RAWIO; |
454 | ||
e132cbae | 455 | file_alloced = 0; |
691c8fb0 | 456 | if (!td->o.filename && !td->files_index && !td->o.read_iolog_file) { |
e132cbae | 457 | file_alloced = 1; |
80be24f4 | 458 | |
2dc1bbeb | 459 | if (td->o.nr_files == 1 && exists_and_not_file(jobname)) |
e132cbae | 460 | add_file(td, jobname); |
7b05a215 | 461 | else { |
2dc1bbeb | 462 | for (i = 0; i < td->o.nr_files; i++) { |
5ec10eaa JA |
463 | sprintf(fname, "%s.%d.%d", jobname, |
464 | td->thread_number, i); | |
7b05a215 JA |
465 | add_file(td, fname); |
466 | } | |
af52b345 | 467 | } |
0af7b542 | 468 | } |
ebac4655 | 469 | |
4e991c23 JA |
470 | if (fixup_options(td)) |
471 | goto err; | |
e0a22335 | 472 | |
07eb79df JA |
473 | if (td->io_ops->flags & FIO_DISKLESSIO) { |
474 | struct fio_file *f; | |
475 | ||
476 | for_each_file(td, f, i) | |
477 | f->real_file_size = -1ULL; | |
478 | } | |
479 | ||
cdd18ad8 | 480 | td->mutex = fio_mutex_init(0); |
ebac4655 | 481 | |
756867bd JA |
482 | td->ts.clat_stat[0].min_val = td->ts.clat_stat[1].min_val = ULONG_MAX; |
483 | td->ts.slat_stat[0].min_val = td->ts.slat_stat[1].min_val = ULONG_MAX; | |
484 | td->ts.bw_stat[0].min_val = td->ts.bw_stat[1].min_val = ULONG_MAX; | |
1e3d53ac | 485 | td->ddir_nr = td->o.ddir_nr; |
ebac4655 | 486 | |
b3d62a75 JA |
487 | if ((td->o.stonewall || td->o.numjobs > 1 || td->o.new_group) |
488 | && prev_group_jobs) { | |
3c5df6fa | 489 | prev_group_jobs = 0; |
ebac4655 | 490 | groupid++; |
3c5df6fa | 491 | } |
ebac4655 JA |
492 | |
493 | td->groupid = groupid; | |
3c5df6fa | 494 | prev_group_jobs++; |
ebac4655 | 495 | |
9c60ce64 JA |
496 | if (init_random_state(td)) |
497 | goto err; | |
498 | ||
ebac4655 JA |
499 | if (setup_rate(td)) |
500 | goto err; | |
501 | ||
2dc1bbeb | 502 | if (td->o.write_lat_log) { |
756867bd JA |
503 | setup_log(&td->ts.slat_log); |
504 | setup_log(&td->ts.clat_log); | |
ebac4655 | 505 | } |
2dc1bbeb | 506 | if (td->o.write_bw_log) |
756867bd | 507 | setup_log(&td->ts.bw_log); |
ebac4655 | 508 | |
2dc1bbeb JA |
509 | if (!td->o.name) |
510 | td->o.name = strdup(jobname); | |
01452055 | 511 | |
c6ae0a5b | 512 | if (!terse_output) { |
b990b5c0 | 513 | if (!job_add_num) { |
5ec10eaa JA |
514 | if (!strcmp(td->io_ops->name, "cpuio")) { |
515 | log_info("%s: ioengine=cpu, cpuload=%u," | |
516 | " cpucycle=%u\n", td->o.name, | |
517 | td->o.cpuload, | |
518 | td->o.cpucycle); | |
519 | } else { | |
f8977ee6 JA |
520 | char *c1, *c2, *c3, *c4; |
521 | ||
2dc1bbeb JA |
522 | c1 = to_kmg(td->o.min_bs[DDIR_READ]); |
523 | c2 = to_kmg(td->o.max_bs[DDIR_READ]); | |
524 | c3 = to_kmg(td->o.min_bs[DDIR_WRITE]); | |
525 | c4 = to_kmg(td->o.max_bs[DDIR_WRITE]); | |
f8977ee6 | 526 | |
5ec10eaa JA |
527 | log_info("%s: (g=%d): rw=%s, bs=%s-%s/%s-%s," |
528 | " ioengine=%s, iodepth=%u\n", | |
529 | td->o.name, td->groupid, | |
530 | ddir_str[td->o.td_ddir], | |
531 | c1, c2, c3, c4, | |
532 | td->io_ops->name, | |
533 | td->o.iodepth); | |
f8977ee6 JA |
534 | |
535 | free(c1); | |
536 | free(c2); | |
537 | free(c3); | |
538 | free(c4); | |
539 | } | |
b990b5c0 | 540 | } else if (job_add_num == 1) |
6d86144d | 541 | log_info("...\n"); |
c6ae0a5b | 542 | } |
ebac4655 JA |
543 | |
544 | /* | |
545 | * recurse add identical jobs, clear numjobs and stonewall options | |
546 | * as they don't apply to sub-jobs | |
547 | */ | |
2dc1bbeb | 548 | numjobs = td->o.numjobs; |
ebac4655 JA |
549 | while (--numjobs) { |
550 | struct thread_data *td_new = get_new_job(0, td); | |
551 | ||
552 | if (!td_new) | |
553 | goto err; | |
554 | ||
2dc1bbeb JA |
555 | td_new->o.numjobs = 1; |
556 | td_new->o.stonewall = 0; | |
92c1d41f | 557 | td_new->o.new_group = 0; |
e132cbae JA |
558 | |
559 | if (file_alloced) { | |
2dc1bbeb | 560 | td_new->o.filename = NULL; |
e132cbae JA |
561 | td_new->files_index = 0; |
562 | td_new->files = NULL; | |
563 | } | |
564 | ||
75154845 | 565 | job_add_num = numjobs - 1; |
ebac4655 | 566 | |
75154845 | 567 | if (add_job(td_new, jobname, job_add_num)) |
ebac4655 JA |
568 | goto err; |
569 | } | |
3c5df6fa | 570 | |
ebac4655 JA |
571 | return 0; |
572 | err: | |
573 | put_job(td); | |
574 | return -1; | |
575 | } | |
576 | ||
01f06b63 JA |
577 | static int skip_this_section(const char *name) |
578 | { | |
579 | if (!job_section) | |
580 | return 0; | |
581 | if (!strncmp(name, "global", 6)) | |
582 | return 0; | |
583 | ||
584 | return strncmp(job_section, name, strlen(job_section)); | |
585 | } | |
586 | ||
ebac4655 JA |
587 | static int is_empty_or_comment(char *line) |
588 | { | |
589 | unsigned int i; | |
590 | ||
591 | for (i = 0; i < strlen(line); i++) { | |
592 | if (line[i] == ';') | |
593 | return 1; | |
5cc2da30 IM |
594 | if (line[i] == '#') |
595 | return 1; | |
ebac4655 JA |
596 | if (!isspace(line[i]) && !iscntrl(line[i])) |
597 | return 0; | |
598 | } | |
599 | ||
600 | return 1; | |
601 | } | |
602 | ||
07261983 JA |
603 | /* |
604 | * This is our [ini] type file parser. | |
605 | */ | |
1e97cce9 | 606 | static int parse_jobs_ini(char *file, int stonewall_flag) |
ebac4655 | 607 | { |
e1f36503 | 608 | unsigned int global; |
ebac4655 | 609 | struct thread_data *td; |
fee3bb48 | 610 | char *string, *name; |
ebac4655 JA |
611 | FILE *f; |
612 | char *p; | |
0c7e37a0 | 613 | int ret = 0, stonewall; |
097b2991 | 614 | int first_sect = 1; |
ccf8f127 | 615 | int skip_fgets = 0; |
01f06b63 | 616 | int inside_skip = 0; |
ebac4655 | 617 | |
5a729cbe AC |
618 | if (!strcmp(file, "-")) |
619 | f = stdin; | |
620 | else | |
621 | f = fopen(file, "r"); | |
622 | ||
ebac4655 | 623 | if (!f) { |
aea47d44 | 624 | perror("fopen job file"); |
ebac4655 JA |
625 | return 1; |
626 | } | |
627 | ||
628 | string = malloc(4096); | |
7f7e6e59 JA |
629 | |
630 | /* | |
631 | * it's really 256 + small bit, 280 should suffice | |
632 | */ | |
633 | name = malloc(280); | |
634 | memset(name, 0, 280); | |
ebac4655 | 635 | |
0c7e37a0 | 636 | stonewall = stonewall_flag; |
7c124ac1 | 637 | do { |
ccf8f127 JA |
638 | /* |
639 | * if skip_fgets is set, we already have loaded a line we | |
640 | * haven't handled. | |
641 | */ | |
642 | if (!skip_fgets) { | |
643 | p = fgets(string, 4095, f); | |
644 | if (!p) | |
645 | break; | |
646 | } | |
cdc7f193 | 647 | |
ccf8f127 | 648 | skip_fgets = 0; |
cdc7f193 | 649 | strip_blank_front(&p); |
6c7c7da1 | 650 | strip_blank_end(p); |
cdc7f193 | 651 | |
ebac4655 JA |
652 | if (is_empty_or_comment(p)) |
653 | continue; | |
6c7c7da1 | 654 | if (sscanf(p, "[%255s]", name) != 1) { |
01f06b63 JA |
655 | if (inside_skip) |
656 | continue; | |
5ec10eaa JA |
657 | log_err("fio: option <%s> outside of [] job section\n", |
658 | p); | |
088b4207 | 659 | break; |
6c7c7da1 | 660 | } |
ebac4655 | 661 | |
01f06b63 JA |
662 | if (skip_this_section(name)) { |
663 | inside_skip = 1; | |
664 | continue; | |
665 | } else | |
666 | inside_skip = 0; | |
667 | ||
ebac4655 JA |
668 | global = !strncmp(name, "global", 6); |
669 | ||
670 | name[strlen(name) - 1] = '\0'; | |
671 | ||
cca73aa7 | 672 | if (dump_cmdline) { |
097b2991 JA |
673 | if (first_sect) |
674 | log_info("fio "); | |
cca73aa7 JA |
675 | if (!global) |
676 | log_info("--name=%s ", name); | |
097b2991 | 677 | first_sect = 0; |
cca73aa7 JA |
678 | } |
679 | ||
ebac4655 | 680 | td = get_new_job(global, &def_thread); |
45410acb JA |
681 | if (!td) { |
682 | ret = 1; | |
683 | break; | |
684 | } | |
ebac4655 | 685 | |
972cfd25 JA |
686 | /* |
687 | * Seperate multiple job files by a stonewall | |
688 | */ | |
f9481919 | 689 | if (!global && stonewall) { |
2dc1bbeb | 690 | td->o.stonewall = stonewall; |
972cfd25 JA |
691 | stonewall = 0; |
692 | } | |
693 | ||
ebac4655 JA |
694 | while ((p = fgets(string, 4096, f)) != NULL) { |
695 | if (is_empty_or_comment(p)) | |
696 | continue; | |
e1f36503 | 697 | |
b6754f9d | 698 | strip_blank_front(&p); |
7c124ac1 | 699 | |
ccf8f127 JA |
700 | /* |
701 | * new section, break out and make sure we don't | |
702 | * fgets() a new line at the top. | |
703 | */ | |
704 | if (p[0] == '[') { | |
705 | skip_fgets = 1; | |
7c124ac1 | 706 | break; |
ccf8f127 | 707 | } |
7c124ac1 | 708 | |
4ae3f763 | 709 | strip_blank_end(p); |
aea47d44 | 710 | |
45410acb JA |
711 | /* |
712 | * Don't break here, continue parsing options so we | |
713 | * dump all the bad ones. Makes trial/error fixups | |
714 | * easier on the user. | |
715 | */ | |
214e1eca | 716 | ret |= fio_option_parse(td, p); |
cca73aa7 JA |
717 | if (!ret && dump_cmdline) |
718 | log_info("--%s ", p); | |
ebac4655 | 719 | } |
ebac4655 | 720 | |
ccf8f127 | 721 | if (!ret) |
45410acb | 722 | ret = add_job(td, name, 0); |
ccf8f127 | 723 | else { |
b1508cf9 JA |
724 | log_err("fio: job %s dropped\n", name); |
725 | put_job(td); | |
45410acb | 726 | } |
7c124ac1 | 727 | } while (!ret); |
ebac4655 | 728 | |
cca73aa7 JA |
729 | if (dump_cmdline) |
730 | log_info("\n"); | |
731 | ||
ebac4655 JA |
732 | free(string); |
733 | free(name); | |
5a729cbe AC |
734 | if (f != stdin) |
735 | fclose(f); | |
45410acb | 736 | return ret; |
ebac4655 JA |
737 | } |
738 | ||
739 | static int fill_def_thread(void) | |
740 | { | |
741 | memset(&def_thread, 0, sizeof(def_thread)); | |
742 | ||
375b2695 | 743 | fio_getaffinity(getpid(), &def_thread.o.cpumask); |
ebac4655 JA |
744 | |
745 | /* | |
ee738499 | 746 | * fill default options |
ebac4655 | 747 | */ |
214e1eca | 748 | fio_fill_default_options(&def_thread); |
ee738499 | 749 | |
2dc1bbeb JA |
750 | def_thread.o.timeout = def_timeout; |
751 | def_thread.o.write_bw_log = write_bw_log; | |
752 | def_thread.o.write_lat_log = write_lat_log; | |
ee738499 | 753 | |
ebac4655 JA |
754 | return 0; |
755 | } | |
756 | ||
214e1eca JA |
757 | static void free_shm(void) |
758 | { | |
759 | struct shmid_ds sbuf; | |
760 | ||
761 | if (threads) { | |
5e1d306e JA |
762 | void *tp = threads; |
763 | ||
214e1eca | 764 | threads = NULL; |
5e1d306e JA |
765 | file_hash_exit(); |
766 | fio_debug_jobp = NULL; | |
767 | shmdt(tp); | |
214e1eca JA |
768 | shmctl(shm_id, IPC_RMID, &sbuf); |
769 | } | |
2e5cdb11 JA |
770 | |
771 | scleanup(); | |
214e1eca JA |
772 | } |
773 | ||
774 | /* | |
775 | * The thread area is shared between the main process and the job | |
776 | * threads/processes. So setup a shared memory segment that will hold | |
380065aa JA |
777 | * all the job info. We use the end of the region for keeping track of |
778 | * open files across jobs, for file sharing. | |
214e1eca JA |
779 | */ |
780 | static int setup_thread_area(void) | |
781 | { | |
380065aa JA |
782 | void *hash; |
783 | ||
214e1eca JA |
784 | /* |
785 | * 1024 is too much on some machines, scale max_jobs if | |
786 | * we get a failure that looks like too large a shm segment | |
787 | */ | |
788 | do { | |
789 | size_t size = max_jobs * sizeof(struct thread_data); | |
790 | ||
380065aa | 791 | size += file_hash_size; |
5e1d306e | 792 | size += sizeof(unsigned int); |
380065aa | 793 | |
214e1eca JA |
794 | shm_id = shmget(0, size, IPC_CREAT | 0600); |
795 | if (shm_id != -1) | |
796 | break; | |
797 | if (errno != EINVAL) { | |
798 | perror("shmget"); | |
799 | break; | |
800 | } | |
801 | ||
802 | max_jobs >>= 1; | |
803 | } while (max_jobs); | |
804 | ||
805 | if (shm_id == -1) | |
806 | return 1; | |
807 | ||
808 | threads = shmat(shm_id, NULL, 0); | |
809 | if (threads == (void *) -1) { | |
810 | perror("shmat"); | |
811 | return 1; | |
812 | } | |
813 | ||
1f809d15 | 814 | memset(threads, 0, max_jobs * sizeof(struct thread_data)); |
380065aa | 815 | hash = (void *) threads + max_jobs * sizeof(struct thread_data); |
5e1d306e JA |
816 | fio_debug_jobp = (void *) hash + file_hash_size; |
817 | *fio_debug_jobp = -1; | |
380065aa | 818 | file_hash_init(hash); |
214e1eca JA |
819 | atexit(free_shm); |
820 | return 0; | |
821 | } | |
822 | ||
45378b35 | 823 | static void usage(const char *name) |
4785f995 JA |
824 | { |
825 | printf("%s\n", fio_version_string); | |
45378b35 | 826 | printf("%s [options] [job options] <job file(s)>\n", name); |
ee56ad50 | 827 | printf("\t--debug=options\tEnable debug logging\n"); |
b4692828 JA |
828 | printf("\t--output\tWrite output to file\n"); |
829 | printf("\t--timeout\tRuntime in seconds\n"); | |
830 | printf("\t--latency-log\tGenerate per-job latency logs\n"); | |
831 | printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n"); | |
832 | printf("\t--minimal\tMinimal (terse) output\n"); | |
833 | printf("\t--version\tPrint version info and exit\n"); | |
fd28ca49 | 834 | printf("\t--help\t\tPrint this page\n"); |
5ec10eaa JA |
835 | printf("\t--cmdhelp=cmd\tPrint command help, \"all\" for all of" |
836 | " them\n"); | |
cca73aa7 | 837 | printf("\t--showcmd\tTurn a job file into command line options\n"); |
e592a06b AC |
838 | printf("\t--eta=when\tWhen ETA estimate should be printed\n"); |
839 | printf("\t \tMay be \"always\", \"never\" or \"auto\"\n"); | |
5ec10eaa JA |
840 | printf("\t--readonly\tTurn on safety read-only checks, preventing" |
841 | " writes\n"); | |
01f06b63 | 842 | printf("\t--section=name\tOnly run specified section in job file\n"); |
2b386d25 JA |
843 | printf("\t--alloc-size=kb\tSet smalloc pool to this size in kb" |
844 | " (def 1024)\n"); | |
4785f995 JA |
845 | } |
846 | ||
79e48f72 | 847 | #ifdef FIO_INC_DEBUG |
ee56ad50 | 848 | struct debug_level debug_levels[] = { |
bd6f78b2 JA |
849 | { .name = "process", .shift = FD_PROCESS, }, |
850 | { .name = "file", .shift = FD_FILE, }, | |
851 | { .name = "io", .shift = FD_IO, }, | |
852 | { .name = "mem", .shift = FD_MEM, }, | |
853 | { .name = "blktrace", .shift = FD_BLKTRACE }, | |
854 | { .name = "verify", .shift = FD_VERIFY }, | |
84422acd | 855 | { .name = "random", .shift = FD_RANDOM }, |
a3d741fa | 856 | { .name = "parse", .shift = FD_PARSE }, |
cd991b9e | 857 | { .name = "diskutil", .shift = FD_DISKUTIL }, |
5e1d306e | 858 | { .name = "job", .shift = FD_JOB }, |
ee56ad50 JA |
859 | { }, |
860 | }; | |
861 | ||
c09823ab | 862 | static int set_debug(const char *string) |
ee56ad50 JA |
863 | { |
864 | struct debug_level *dl; | |
865 | char *p = (char *) string; | |
866 | char *opt; | |
867 | int i; | |
868 | ||
869 | if (!strcmp(string, "?") || !strcmp(string, "help")) { | |
870 | int i; | |
871 | ||
872 | log_info("fio: dumping debug options:"); | |
873 | for (i = 0; debug_levels[i].name; i++) { | |
874 | dl = &debug_levels[i]; | |
875 | log_info("%s,", dl->name); | |
876 | } | |
bd6f78b2 | 877 | log_info("all\n"); |
c09823ab | 878 | return 1; |
ee56ad50 JA |
879 | } |
880 | ||
881 | while ((opt = strsep(&p, ",")) != NULL) { | |
882 | int found = 0; | |
883 | ||
5e1d306e JA |
884 | if (!strncmp(opt, "all", 3)) { |
885 | log_info("fio: set all debug options\n"); | |
886 | fio_debug = ~0UL; | |
887 | continue; | |
888 | } | |
889 | ||
ee56ad50 JA |
890 | for (i = 0; debug_levels[i].name; i++) { |
891 | dl = &debug_levels[i]; | |
5e1d306e JA |
892 | found = !strncmp(opt, dl->name, strlen(dl->name)); |
893 | if (!found) | |
894 | continue; | |
895 | ||
896 | if (dl->shift == FD_JOB) { | |
897 | opt = strchr(opt, ':'); | |
898 | if (!opt) { | |
899 | log_err("fio: missing job number\n"); | |
900 | break; | |
901 | } | |
902 | opt++; | |
903 | fio_debug_jobno = atoi(opt); | |
904 | log_info("fio: set debug jobno %d\n", | |
905 | fio_debug_jobno); | |
906 | } else { | |
ee56ad50 | 907 | log_info("fio: set debug option %s\n", opt); |
bd6f78b2 | 908 | fio_debug |= (1UL << dl->shift); |
ee56ad50 | 909 | } |
5e1d306e | 910 | break; |
ee56ad50 JA |
911 | } |
912 | ||
913 | if (!found) | |
914 | log_err("fio: debug mask %s not found\n", opt); | |
915 | } | |
c09823ab | 916 | return 0; |
ee56ad50 | 917 | } |
79e48f72 JA |
918 | #else |
919 | static void set_debug(const char *string) | |
920 | { | |
921 | log_err("fio: debug tracing not included in build\n"); | |
c09823ab | 922 | return 1; |
79e48f72 JA |
923 | } |
924 | #endif | |
ee56ad50 | 925 | |
972cfd25 | 926 | static int parse_cmd_line(int argc, char *argv[]) |
ebac4655 | 927 | { |
b4692828 | 928 | struct thread_data *td = NULL; |
c09823ab | 929 | int c, ini_idx = 0, lidx, ret = 0, do_exit = 0, exit_val = 0; |
ebac4655 | 930 | |
5ec10eaa | 931 | while ((c = getopt_long_only(argc, argv, "", l_opts, &lidx)) != -1) { |
ebac4655 | 932 | switch (c) { |
2b386d25 JA |
933 | case 'a': |
934 | smalloc_pool_size = atoi(optarg); | |
935 | break; | |
b4692828 JA |
936 | case 't': |
937 | def_timeout = atoi(optarg); | |
938 | break; | |
939 | case 'l': | |
940 | write_lat_log = 1; | |
941 | break; | |
942 | case 'w': | |
943 | write_bw_log = 1; | |
944 | break; | |
945 | case 'o': | |
946 | f_out = fopen(optarg, "w+"); | |
947 | if (!f_out) { | |
948 | perror("fopen output"); | |
949 | exit(1); | |
950 | } | |
951 | f_err = f_out; | |
952 | break; | |
953 | case 'm': | |
954 | terse_output = 1; | |
955 | break; | |
956 | case 'h': | |
45378b35 | 957 | usage(argv[0]); |
b4692828 | 958 | exit(0); |
fd28ca49 | 959 | case 'c': |
214e1eca | 960 | exit(fio_show_option_help(optarg)); |
cca73aa7 JA |
961 | case 's': |
962 | dump_cmdline = 1; | |
963 | break; | |
724e4435 JA |
964 | case 'r': |
965 | read_only = 1; | |
966 | break; | |
b4692828 JA |
967 | case 'v': |
968 | printf("%s\n", fio_version_string); | |
969 | exit(0); | |
e592a06b AC |
970 | case 'e': |
971 | if (!strcmp("always", optarg)) | |
972 | eta_print = FIO_ETA_ALWAYS; | |
973 | else if (!strcmp("never", optarg)) | |
974 | eta_print = FIO_ETA_NEVER; | |
975 | break; | |
ee56ad50 | 976 | case 'd': |
c09823ab JA |
977 | if (set_debug(optarg)) |
978 | do_exit++; | |
ee56ad50 | 979 | break; |
01f06b63 JA |
980 | case 'x': |
981 | if (!strcmp(optarg, "global")) { | |
5ec10eaa JA |
982 | log_err("fio: can't use global as only " |
983 | "section\n"); | |
c09823ab JA |
984 | do_exit++; |
985 | exit_val = 1; | |
01f06b63 JA |
986 | break; |
987 | } | |
988 | if (job_section) | |
989 | free(job_section); | |
990 | job_section = strdup(optarg); | |
991 | break; | |
b4692828 | 992 | case FIO_GETOPT_JOB: { |
5ec10eaa | 993 | const char *opt = l_opts[lidx].name; |
b4692828 JA |
994 | char *val = optarg; |
995 | ||
c2b1e753 | 996 | if (!strncmp(opt, "name", 4) && td) { |
2dc1bbeb | 997 | ret = add_job(td, td->o.name ?: "fio", 0); |
c2b1e753 JA |
998 | if (ret) { |
999 | put_job(td); | |
1000 | return 0; | |
1001 | } | |
1002 | td = NULL; | |
1003 | } | |
b4692828 | 1004 | if (!td) { |
01f06b63 | 1005 | int is_section = !strncmp(opt, "name", 4); |
3106f220 JA |
1006 | int global = 0; |
1007 | ||
01f06b63 | 1008 | if (!is_section || !strncmp(val, "global", 6)) |
3106f220 | 1009 | global = 1; |
c2b1e753 | 1010 | |
01f06b63 JA |
1011 | if (is_section && skip_this_section(val)) |
1012 | continue; | |
1013 | ||
c2b1e753 | 1014 | td = get_new_job(global, &def_thread); |
b4692828 JA |
1015 | if (!td) |
1016 | return 0; | |
1017 | } | |
38d0adb0 | 1018 | |
214e1eca | 1019 | ret = fio_cmd_option_parse(td, opt, val); |
b4692828 JA |
1020 | break; |
1021 | } | |
1022 | default: | |
c09823ab JA |
1023 | do_exit++; |
1024 | exit_val = 1; | |
b4692828 | 1025 | break; |
ebac4655 JA |
1026 | } |
1027 | } | |
c9fad893 | 1028 | |
c09823ab JA |
1029 | if (do_exit) |
1030 | exit(exit_val); | |
536582bf | 1031 | |
b4692828 | 1032 | if (td) { |
7d6a8904 | 1033 | if (!ret) |
2dc1bbeb | 1034 | ret = add_job(td, td->o.name ?: "fio", 0); |
7d6a8904 JA |
1035 | if (ret) |
1036 | put_job(td); | |
972cfd25 | 1037 | } |
774a6177 | 1038 | |
b4692828 JA |
1039 | while (optind < argc) { |
1040 | ini_idx++; | |
1041 | ini_file = realloc(ini_file, ini_idx * sizeof(char *)); | |
1042 | ini_file[ini_idx - 1] = strdup(argv[optind]); | |
1043 | optind++; | |
eb8bbf48 | 1044 | } |
972cfd25 JA |
1045 | |
1046 | return ini_idx; | |
ebac4655 JA |
1047 | } |
1048 | ||
ebac4655 JA |
1049 | int parse_options(int argc, char *argv[]) |
1050 | { | |
972cfd25 JA |
1051 | int job_files, i; |
1052 | ||
b4692828 JA |
1053 | f_out = stdout; |
1054 | f_err = stderr; | |
1055 | ||
5ec10eaa | 1056 | fio_options_dup_and_init(l_opts); |
b4692828 | 1057 | |
ebac4655 JA |
1058 | if (setup_thread_area()) |
1059 | return 1; | |
1060 | if (fill_def_thread()) | |
1061 | return 1; | |
1062 | ||
972cfd25 | 1063 | job_files = parse_cmd_line(argc, argv); |
ebac4655 | 1064 | |
972cfd25 JA |
1065 | for (i = 0; i < job_files; i++) { |
1066 | if (fill_def_thread()) | |
1067 | return 1; | |
0c7e37a0 | 1068 | if (parse_jobs_ini(ini_file[i], i)) |
972cfd25 | 1069 | return 1; |
88c6ed80 | 1070 | free(ini_file[i]); |
972cfd25 | 1071 | } |
ebac4655 | 1072 | |
88c6ed80 | 1073 | free(ini_file); |
d23bb327 | 1074 | options_mem_free(&def_thread); |
b4692828 JA |
1075 | |
1076 | if (!thread_number) { | |
cca73aa7 JA |
1077 | if (dump_cmdline) |
1078 | return 0; | |
1079 | ||
b4692828 | 1080 | log_err("No jobs defined(s)\n"); |
45378b35 | 1081 | usage(argv[0]); |
b4692828 JA |
1082 | return 1; |
1083 | } | |
1084 | ||
ebac4655 JA |
1085 | return 0; |
1086 | } |