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 | |
214e1eca JA |
20 | static char fio_version_string[] = "fio 1.14a"; |
21 | ||
ee738499 | 22 | #define FIO_RANDSEED (0xb1899bedUL) |
ebac4655 | 23 | |
214e1eca JA |
24 | static char **ini_file; |
25 | static int max_jobs = MAX_JOBS; | |
e1f36503 | 26 | |
214e1eca JA |
27 | struct thread_data def_thread; |
28 | struct thread_data *threads = NULL; | |
e1f36503 | 29 | |
214e1eca JA |
30 | int exitall_on_terminate = 0; |
31 | int terse_output = 0; | |
32 | unsigned long long mlock_size = 0; | |
33 | FILE *f_out = NULL; | |
34 | FILE *f_err = NULL; | |
ee738499 | 35 | |
214e1eca JA |
36 | int write_bw_log = 0; |
37 | ||
38 | static int def_timeout = 0; | |
39 | static int write_lat_log = 0; | |
e1f36503 | 40 | |
214e1eca | 41 | static int prev_group_jobs; |
b4692828 JA |
42 | |
43 | /* | |
44 | * Command line options. These will contain the above, plus a few | |
45 | * extra that only pertain to fio itself and not jobs. | |
46 | */ | |
214e1eca | 47 | static struct option long_options[FIO_NR_OPTIONS] = { |
b4692828 JA |
48 | { |
49 | .name = "output", | |
50 | .has_arg = required_argument, | |
51 | .val = 'o', | |
52 | }, | |
53 | { | |
54 | .name = "timeout", | |
55 | .has_arg = required_argument, | |
56 | .val = 't', | |
57 | }, | |
58 | { | |
59 | .name = "latency-log", | |
60 | .has_arg = required_argument, | |
61 | .val = 'l', | |
62 | }, | |
63 | { | |
64 | .name = "bandwidth-log", | |
65 | .has_arg = required_argument, | |
66 | .val = 'b', | |
67 | }, | |
68 | { | |
69 | .name = "minimal", | |
70 | .has_arg = optional_argument, | |
71 | .val = 'm', | |
72 | }, | |
73 | { | |
74 | .name = "version", | |
75 | .has_arg = no_argument, | |
76 | .val = 'v', | |
77 | }, | |
fd28ca49 JA |
78 | { |
79 | .name = "help", | |
80 | .has_arg = no_argument, | |
81 | .val = 'h', | |
82 | }, | |
83 | { | |
84 | .name = "cmdhelp", | |
320beefe | 85 | .has_arg = optional_argument, |
fd28ca49 JA |
86 | .val = 'c', |
87 | }, | |
b4692828 JA |
88 | { |
89 | .name = NULL, | |
90 | }, | |
91 | }; | |
92 | ||
9728ce37 JB |
93 | FILE *get_f_out() |
94 | { | |
95 | return f_out; | |
96 | } | |
97 | ||
98 | FILE *get_f_err() | |
99 | { | |
100 | return f_err; | |
101 | } | |
102 | ||
906c8d75 JA |
103 | /* |
104 | * Return a free job structure. | |
105 | */ | |
ebac4655 JA |
106 | static struct thread_data *get_new_job(int global, struct thread_data *parent) |
107 | { | |
108 | struct thread_data *td; | |
109 | ||
110 | if (global) | |
111 | return &def_thread; | |
112 | if (thread_number >= max_jobs) | |
113 | return NULL; | |
114 | ||
115 | td = &threads[thread_number++]; | |
ddaeaa5a | 116 | *td = *parent; |
ebac4655 | 117 | |
ebac4655 | 118 | td->thread_number = thread_number; |
ebac4655 JA |
119 | return td; |
120 | } | |
121 | ||
122 | static void put_job(struct thread_data *td) | |
123 | { | |
549577a7 JA |
124 | if (td == &def_thread) |
125 | return; | |
126 | ||
16edf25d | 127 | if (td->error) |
6d86144d | 128 | log_info("fio: %s\n", td->verror); |
16edf25d | 129 | |
ebac4655 JA |
130 | memset(&threads[td->thread_number - 1], 0, sizeof(*td)); |
131 | thread_number--; | |
132 | } | |
133 | ||
127f6865 JA |
134 | static int setup_rate(struct thread_data *td) |
135 | { | |
136 | unsigned long nr_reads_per_msec; | |
137 | unsigned long long rate; | |
138 | unsigned int bs; | |
139 | ||
2dc1bbeb | 140 | if (!td->o.rate && !td->o.rate_iops) |
127f6865 JA |
141 | return 0; |
142 | ||
143 | if (td_rw(td)) | |
2dc1bbeb | 144 | bs = td->o.rw_min_bs; |
127f6865 | 145 | else if (td_read(td)) |
2dc1bbeb | 146 | bs = td->o.min_bs[DDIR_READ]; |
127f6865 | 147 | else |
2dc1bbeb | 148 | bs = td->o.min_bs[DDIR_WRITE]; |
127f6865 | 149 | |
2dc1bbeb JA |
150 | if (td->o.rate) { |
151 | rate = td->o.rate; | |
127f6865 JA |
152 | nr_reads_per_msec = (rate * 1024 * 1000LL) / bs; |
153 | } else | |
2dc1bbeb | 154 | nr_reads_per_msec = td->o.rate_iops * 1000UL; |
127f6865 JA |
155 | |
156 | if (!nr_reads_per_msec) { | |
157 | log_err("rate lower than supported\n"); | |
158 | return -1; | |
159 | } | |
160 | ||
161 | td->rate_usec_cycle = 1000000000ULL / nr_reads_per_msec; | |
162 | td->rate_pending_usleep = 0; | |
163 | return 0; | |
164 | } | |
165 | ||
dad915e3 JA |
166 | /* |
167 | * Lazy way of fixing up options that depend on each other. We could also | |
168 | * define option callback handlers, but this is easier. | |
169 | */ | |
4e991c23 | 170 | static int fixup_options(struct thread_data *td) |
e1f36503 | 171 | { |
2dc1bbeb | 172 | struct thread_options *o = &td->o; |
dad915e3 | 173 | |
2dc1bbeb JA |
174 | if (!o->rwmixread && o->rwmixwrite) |
175 | o->rwmixread = 100 - o->rwmixwrite; | |
176 | ||
177 | if (o->write_iolog_file && o->read_iolog_file) { | |
076efc7c | 178 | log_err("fio: read iolog overrides write_iolog\n"); |
2dc1bbeb JA |
179 | free(o->write_iolog_file); |
180 | o->write_iolog_file = NULL; | |
076efc7c | 181 | } |
16b462ae JA |
182 | |
183 | if (td->io_ops->flags & FIO_SYNCIO) | |
2dc1bbeb | 184 | o->iodepth = 1; |
16b462ae | 185 | else { |
2dc1bbeb JA |
186 | if (!o->iodepth) |
187 | o->iodepth = o->open_files; | |
16b462ae JA |
188 | } |
189 | ||
190 | /* | |
191 | * only really works for sequential io for now, and with 1 file | |
192 | */ | |
2dc1bbeb JA |
193 | if (o->zone_size && td_random(td) && o->open_files == 1) |
194 | o->zone_size = 0; | |
16b462ae JA |
195 | |
196 | /* | |
197 | * Reads can do overwrites, we always need to pre-create the file | |
198 | */ | |
199 | if (td_read(td) || td_rw(td)) | |
2dc1bbeb | 200 | o->overwrite = 1; |
16b462ae | 201 | |
2dc1bbeb JA |
202 | if (!o->min_bs[DDIR_READ]) |
203 | o->min_bs[DDIR_READ]= o->bs[DDIR_READ]; | |
204 | if (!o->max_bs[DDIR_READ]) | |
205 | o->max_bs[DDIR_READ] = o->bs[DDIR_READ]; | |
206 | if (!o->min_bs[DDIR_WRITE]) | |
207 | o->min_bs[DDIR_WRITE]= o->bs[DDIR_WRITE]; | |
208 | if (!o->max_bs[DDIR_WRITE]) | |
209 | o->max_bs[DDIR_WRITE] = o->bs[DDIR_WRITE]; | |
a00735e6 | 210 | |
2dc1bbeb | 211 | o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]); |
a00735e6 | 212 | |
2dc1bbeb JA |
213 | if (!o->file_size_high) |
214 | o->file_size_high = o->file_size_low; | |
9c60ce64 | 215 | |
16b462ae | 216 | if (td_read(td) && !td_rw(td)) |
2dc1bbeb | 217 | o->verify = 0; |
bb8895e0 | 218 | |
2dc1bbeb | 219 | if (o->norandommap && o->verify != VERIFY_NONE) { |
bb8895e0 | 220 | log_err("fio: norandommap given, verify disabled\n"); |
2dc1bbeb | 221 | o->verify = VERIFY_NONE; |
bb8895e0 | 222 | } |
2dc1bbeb | 223 | if (o->bs_unaligned && (o->odirect || td->io_ops->flags & FIO_RAWIO)) |
690adba3 | 224 | log_err("fio: bs_unaligned may not work with raw io\n"); |
e0a22335 | 225 | |
48097d5c JA |
226 | /* |
227 | * thinktime_spin must be less than thinktime | |
228 | */ | |
2dc1bbeb JA |
229 | if (o->thinktime_spin > o->thinktime) |
230 | o->thinktime_spin = o->thinktime; | |
e916b390 JA |
231 | |
232 | /* | |
233 | * The low water mark cannot be bigger than the iodepth | |
234 | */ | |
2dc1bbeb | 235 | if (o->iodepth_low > o->iodepth || !o->iodepth_low) { |
9467b77c JA |
236 | /* |
237 | * syslet work around - if the workload is sequential, | |
238 | * we want to let the queue drain all the way down to | |
239 | * avoid seeking between async threads | |
240 | */ | |
241 | if (!strcmp(td->io_ops->name, "syslet-rw") && !td_random(td)) | |
2dc1bbeb | 242 | o->iodepth_low = 1; |
9467b77c | 243 | else |
2dc1bbeb | 244 | o->iodepth_low = o->iodepth; |
9467b77c | 245 | } |
cb5ab512 JA |
246 | |
247 | /* | |
248 | * If batch number isn't set, default to the same as iodepth | |
249 | */ | |
2dc1bbeb JA |
250 | if (o->iodepth_batch > o->iodepth || !o->iodepth_batch) |
251 | o->iodepth_batch = o->iodepth; | |
b5af8293 | 252 | |
2dc1bbeb JA |
253 | if (o->nr_files > td->files_index) |
254 | o->nr_files = td->files_index; | |
9f9214f2 | 255 | |
2dc1bbeb JA |
256 | if (o->open_files > o->nr_files || !o->open_files) |
257 | o->open_files = o->nr_files; | |
4e991c23 | 258 | |
2dc1bbeb | 259 | if ((o->rate && o->rate_iops) || (o->ratemin && o->rate_iops_min)) { |
4e991c23 JA |
260 | log_err("fio: rate and rate_iops are mutually exclusive\n"); |
261 | return 1; | |
262 | } | |
2dc1bbeb | 263 | if ((o->rate < o->ratemin) || (o->rate_iops < o->rate_iops_min)) { |
4e991c23 JA |
264 | log_err("fio: minimum rate exceeds rate\n"); |
265 | return 1; | |
266 | } | |
267 | ||
268 | return 0; | |
e1f36503 JA |
269 | } |
270 | ||
f8977ee6 JA |
271 | /* |
272 | * This function leaks the buffer | |
273 | */ | |
274 | static char *to_kmg(unsigned int val) | |
275 | { | |
276 | char *buf = malloc(32); | |
f3502ba2 | 277 | char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 }; |
f8977ee6 JA |
278 | char *p = post; |
279 | ||
245142ff | 280 | do { |
f8977ee6 JA |
281 | if (val & 1023) |
282 | break; | |
283 | ||
284 | val >>= 10; | |
285 | p++; | |
245142ff | 286 | } while (*p); |
f8977ee6 JA |
287 | |
288 | snprintf(buf, 31, "%u%c", val, *p); | |
289 | return buf; | |
290 | } | |
291 | ||
09629a90 JA |
292 | /* External engines are specified by "external:name.o") */ |
293 | static const char *get_engine_name(const char *str) | |
294 | { | |
295 | char *p = strstr(str, ":"); | |
296 | ||
297 | if (!p) | |
298 | return str; | |
299 | ||
300 | p++; | |
301 | strip_blank_front(&p); | |
302 | strip_blank_end(p); | |
303 | return p; | |
304 | } | |
305 | ||
e132cbae JA |
306 | static int exists_and_not_file(const char *filename) |
307 | { | |
308 | struct stat sb; | |
309 | ||
310 | if (lstat(filename, &sb) == -1) | |
311 | return 0; | |
312 | ||
313 | if (S_ISREG(sb.st_mode)) | |
314 | return 0; | |
315 | ||
316 | return 1; | |
317 | } | |
318 | ||
9c60ce64 JA |
319 | /* |
320 | * Initialize the various random states we need (random io, block size ranges, | |
321 | * read/write mix, etc). | |
322 | */ | |
323 | static int init_random_state(struct thread_data *td) | |
324 | { | |
325 | unsigned long seeds[6]; | |
326 | int fd, num_maps, blocks; | |
327 | struct fio_file *f; | |
328 | unsigned int i; | |
329 | ||
330 | fd = open("/dev/urandom", O_RDONLY); | |
331 | if (fd == -1) { | |
332 | td_verror(td, errno, "open"); | |
333 | return 1; | |
334 | } | |
335 | ||
336 | if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) { | |
337 | td_verror(td, EIO, "read"); | |
338 | close(fd); | |
339 | return 1; | |
340 | } | |
341 | ||
342 | close(fd); | |
343 | ||
344 | os_random_seed(seeds[0], &td->bsrange_state); | |
345 | os_random_seed(seeds[1], &td->verify_state); | |
346 | os_random_seed(seeds[2], &td->rwmix_state); | |
347 | ||
2dc1bbeb | 348 | if (td->o.file_service_type == FIO_FSERVICE_RANDOM) |
9c60ce64 JA |
349 | os_random_seed(seeds[3], &td->next_file_state); |
350 | ||
351 | os_random_seed(seeds[5], &td->file_size_state); | |
352 | ||
353 | if (!td_random(td)) | |
354 | return 0; | |
355 | ||
2dc1bbeb | 356 | if (td->o.rand_repeatable) |
9c60ce64 JA |
357 | seeds[4] = FIO_RANDSEED * td->thread_number; |
358 | ||
2dc1bbeb | 359 | if (!td->o.norandommap) { |
9c60ce64 | 360 | for_each_file(td, f, i) { |
2dc1bbeb | 361 | blocks = (f->real_file_size + td->o.rw_min_bs - 1) / td->o.rw_min_bs; |
9c60ce64 JA |
362 | num_maps = (blocks + BLOCKS_PER_MAP-1)/ BLOCKS_PER_MAP; |
363 | f->file_map = malloc(num_maps * sizeof(long)); | |
364 | if (!f->file_map) { | |
365 | log_err("fio: failed allocating random map. If running a large number of jobs, try the 'norandommap' option\n"); | |
366 | return 1; | |
367 | } | |
368 | f->num_maps = num_maps; | |
369 | memset(f->file_map, 0, num_maps * sizeof(long)); | |
370 | } | |
371 | } | |
372 | ||
373 | os_random_seed(seeds[4], &td->random_state); | |
374 | return 0; | |
375 | } | |
376 | ||
377 | ||
906c8d75 JA |
378 | /* |
379 | * Adds a job to the list of things todo. Sanitizes the various options | |
380 | * to make sure we don't have conflicts, and initializes various | |
381 | * members of td. | |
382 | */ | |
75154845 | 383 | static int add_job(struct thread_data *td, const char *jobname, int job_add_num) |
ebac4655 | 384 | { |
413dd459 JA |
385 | const char *ddir_str[] = { NULL, "read", "write", "rw", NULL, |
386 | "randread", "randwrite", "randrw" }; | |
af52b345 | 387 | unsigned int i; |
53cdc686 | 388 | struct fio_file *f; |
09629a90 | 389 | const char *engine; |
af52b345 | 390 | char fname[PATH_MAX]; |
e132cbae | 391 | int numjobs, file_alloced; |
ebac4655 | 392 | |
ebac4655 JA |
393 | /* |
394 | * the def_thread is just for options, it's not a real job | |
395 | */ | |
396 | if (td == &def_thread) | |
397 | return 0; | |
398 | ||
2dc1bbeb | 399 | engine = get_engine_name(td->o.ioengine); |
09629a90 JA |
400 | td->io_ops = load_ioengine(td, engine); |
401 | if (!td->io_ops) { | |
402 | log_err("fio: failed to load engine %s\n", engine); | |
205927a3 | 403 | goto err; |
09629a90 | 404 | } |
df64119d | 405 | |
2dc1bbeb | 406 | if (td->o.use_thread) |
9cedf167 JA |
407 | nr_thread++; |
408 | else | |
409 | nr_process++; | |
410 | ||
2dc1bbeb | 411 | if (td->o.odirect) |
690adba3 JA |
412 | td->io_ops->flags |= FIO_RAWIO; |
413 | ||
e132cbae | 414 | file_alloced = 0; |
2dc1bbeb | 415 | if (!td->o.filename && !td->files_index) { |
e132cbae | 416 | file_alloced = 1; |
80be24f4 | 417 | |
2dc1bbeb | 418 | if (td->o.nr_files == 1 && exists_and_not_file(jobname)) |
e132cbae | 419 | add_file(td, jobname); |
7b05a215 | 420 | else { |
2dc1bbeb | 421 | for (i = 0; i < td->o.nr_files; i++) { |
e132cbae | 422 | sprintf(fname, "%s.%d.%d", jobname, td->thread_number, i); |
7b05a215 JA |
423 | add_file(td, fname); |
424 | } | |
af52b345 | 425 | } |
0af7b542 | 426 | } |
ebac4655 | 427 | |
4e991c23 JA |
428 | if (fixup_options(td)) |
429 | goto err; | |
e0a22335 | 430 | |
af52b345 | 431 | for_each_file(td, f, i) { |
2dc1bbeb JA |
432 | if (td->o.directory && f->filetype == FIO_TYPE_FILE) { |
433 | sprintf(fname, "%s/%s", td->o.directory, f->file_name); | |
af52b345 | 434 | f->file_name = strdup(fname); |
53cdc686 | 435 | } |
53cdc686 JA |
436 | } |
437 | ||
07739b57 | 438 | td->mutex = fio_sem_init(0); |
ebac4655 | 439 | |
756867bd JA |
440 | td->ts.clat_stat[0].min_val = td->ts.clat_stat[1].min_val = ULONG_MAX; |
441 | td->ts.slat_stat[0].min_val = td->ts.slat_stat[1].min_val = ULONG_MAX; | |
442 | td->ts.bw_stat[0].min_val = td->ts.bw_stat[1].min_val = ULONG_MAX; | |
ebac4655 | 443 | |
2dc1bbeb | 444 | if ((td->o.stonewall || td->o.numjobs > 1) && prev_group_jobs) { |
3c5df6fa | 445 | prev_group_jobs = 0; |
ebac4655 | 446 | groupid++; |
3c5df6fa | 447 | } |
ebac4655 JA |
448 | |
449 | td->groupid = groupid; | |
3c5df6fa | 450 | prev_group_jobs++; |
ebac4655 | 451 | |
9c60ce64 JA |
452 | if (init_random_state(td)) |
453 | goto err; | |
454 | ||
ebac4655 JA |
455 | if (setup_rate(td)) |
456 | goto err; | |
457 | ||
2dc1bbeb | 458 | if (td->o.write_lat_log) { |
756867bd JA |
459 | setup_log(&td->ts.slat_log); |
460 | setup_log(&td->ts.clat_log); | |
ebac4655 | 461 | } |
2dc1bbeb | 462 | if (td->o.write_bw_log) |
756867bd | 463 | setup_log(&td->ts.bw_log); |
ebac4655 | 464 | |
2dc1bbeb JA |
465 | if (!td->o.name) |
466 | td->o.name = strdup(jobname); | |
01452055 | 467 | |
c6ae0a5b | 468 | if (!terse_output) { |
b990b5c0 | 469 | if (!job_add_num) { |
ba0fbe10 | 470 | if (!strcmp(td->io_ops->name, "cpuio")) |
2dc1bbeb | 471 | log_info("%s: ioengine=cpu, cpuload=%u, cpucycle=%u\n", td->o.name, td->o.cpuload, td->o.cpucycle); |
f8977ee6 JA |
472 | else { |
473 | char *c1, *c2, *c3, *c4; | |
474 | ||
2dc1bbeb JA |
475 | c1 = to_kmg(td->o.min_bs[DDIR_READ]); |
476 | c2 = to_kmg(td->o.max_bs[DDIR_READ]); | |
477 | c3 = to_kmg(td->o.min_bs[DDIR_WRITE]); | |
478 | c4 = to_kmg(td->o.max_bs[DDIR_WRITE]); | |
f8977ee6 | 479 | |
2dc1bbeb | 480 | 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 |
481 | |
482 | free(c1); | |
483 | free(c2); | |
484 | free(c3); | |
485 | free(c4); | |
486 | } | |
b990b5c0 | 487 | } else if (job_add_num == 1) |
6d86144d | 488 | log_info("...\n"); |
c6ae0a5b | 489 | } |
ebac4655 JA |
490 | |
491 | /* | |
492 | * recurse add identical jobs, clear numjobs and stonewall options | |
493 | * as they don't apply to sub-jobs | |
494 | */ | |
2dc1bbeb | 495 | numjobs = td->o.numjobs; |
ebac4655 JA |
496 | while (--numjobs) { |
497 | struct thread_data *td_new = get_new_job(0, td); | |
498 | ||
499 | if (!td_new) | |
500 | goto err; | |
501 | ||
2dc1bbeb JA |
502 | td_new->o.numjobs = 1; |
503 | td_new->o.stonewall = 0; | |
e132cbae JA |
504 | |
505 | if (file_alloced) { | |
2dc1bbeb | 506 | td_new->o.filename = NULL; |
e132cbae JA |
507 | td_new->files_index = 0; |
508 | td_new->files = NULL; | |
509 | } | |
510 | ||
75154845 | 511 | job_add_num = numjobs - 1; |
ebac4655 | 512 | |
75154845 | 513 | if (add_job(td_new, jobname, job_add_num)) |
ebac4655 JA |
514 | goto err; |
515 | } | |
3c5df6fa | 516 | |
2dc1bbeb | 517 | if (td->o.numjobs > 1) { |
3c5df6fa JA |
518 | groupid++; |
519 | prev_group_jobs = 0; | |
520 | } | |
521 | ||
ebac4655 JA |
522 | return 0; |
523 | err: | |
524 | put_job(td); | |
525 | return -1; | |
526 | } | |
527 | ||
ebac4655 JA |
528 | static int is_empty_or_comment(char *line) |
529 | { | |
530 | unsigned int i; | |
531 | ||
532 | for (i = 0; i < strlen(line); i++) { | |
533 | if (line[i] == ';') | |
534 | return 1; | |
5cc2da30 IM |
535 | if (line[i] == '#') |
536 | return 1; | |
ebac4655 JA |
537 | if (!isspace(line[i]) && !iscntrl(line[i])) |
538 | return 0; | |
539 | } | |
540 | ||
541 | return 1; | |
542 | } | |
543 | ||
07261983 JA |
544 | /* |
545 | * This is our [ini] type file parser. | |
546 | */ | |
1e97cce9 | 547 | static int parse_jobs_ini(char *file, int stonewall_flag) |
ebac4655 | 548 | { |
e1f36503 | 549 | unsigned int global; |
ebac4655 | 550 | struct thread_data *td; |
fee3bb48 | 551 | char *string, *name; |
ebac4655 JA |
552 | fpos_t off; |
553 | FILE *f; | |
554 | char *p; | |
0c7e37a0 | 555 | int ret = 0, stonewall; |
ebac4655 JA |
556 | |
557 | f = fopen(file, "r"); | |
558 | if (!f) { | |
aea47d44 | 559 | perror("fopen job file"); |
ebac4655 JA |
560 | return 1; |
561 | } | |
562 | ||
563 | string = malloc(4096); | |
564 | name = malloc(256); | |
fee3bb48 | 565 | memset(name, 0, 256); |
ebac4655 | 566 | |
0c7e37a0 | 567 | stonewall = stonewall_flag; |
7c124ac1 JA |
568 | do { |
569 | p = fgets(string, 4095, f); | |
570 | if (!p) | |
45410acb | 571 | break; |
ebac4655 JA |
572 | if (is_empty_or_comment(p)) |
573 | continue; | |
fee3bb48 | 574 | if (sscanf(p, "[%255s]", name) != 1) |
ebac4655 JA |
575 | continue; |
576 | ||
577 | global = !strncmp(name, "global", 6); | |
578 | ||
579 | name[strlen(name) - 1] = '\0'; | |
580 | ||
581 | td = get_new_job(global, &def_thread); | |
45410acb JA |
582 | if (!td) { |
583 | ret = 1; | |
584 | break; | |
585 | } | |
ebac4655 | 586 | |
972cfd25 JA |
587 | /* |
588 | * Seperate multiple job files by a stonewall | |
589 | */ | |
f9481919 | 590 | if (!global && stonewall) { |
2dc1bbeb | 591 | td->o.stonewall = stonewall; |
972cfd25 JA |
592 | stonewall = 0; |
593 | } | |
594 | ||
ebac4655 JA |
595 | fgetpos(f, &off); |
596 | while ((p = fgets(string, 4096, f)) != NULL) { | |
597 | if (is_empty_or_comment(p)) | |
598 | continue; | |
e1f36503 | 599 | |
b6754f9d | 600 | strip_blank_front(&p); |
7c124ac1 JA |
601 | |
602 | if (p[0] == '[') | |
603 | break; | |
604 | ||
4ae3f763 | 605 | strip_blank_end(p); |
aea47d44 | 606 | |
e1f36503 | 607 | fgetpos(f, &off); |
ebac4655 | 608 | |
45410acb JA |
609 | /* |
610 | * Don't break here, continue parsing options so we | |
611 | * dump all the bad ones. Makes trial/error fixups | |
612 | * easier on the user. | |
613 | */ | |
214e1eca | 614 | ret |= fio_option_parse(td, p); |
ebac4655 | 615 | } |
ebac4655 | 616 | |
45410acb JA |
617 | if (!ret) { |
618 | fsetpos(f, &off); | |
619 | ret = add_job(td, name, 0); | |
b1508cf9 JA |
620 | } else { |
621 | log_err("fio: job %s dropped\n", name); | |
622 | put_job(td); | |
45410acb | 623 | } |
7c124ac1 | 624 | } while (!ret); |
ebac4655 JA |
625 | |
626 | free(string); | |
627 | free(name); | |
628 | fclose(f); | |
45410acb | 629 | return ret; |
ebac4655 JA |
630 | } |
631 | ||
632 | static int fill_def_thread(void) | |
633 | { | |
634 | memset(&def_thread, 0, sizeof(def_thread)); | |
635 | ||
2dc1bbeb | 636 | if (fio_getaffinity(getpid(), &def_thread.o.cpumask) == -1) { |
ebac4655 JA |
637 | perror("sched_getaffinity"); |
638 | return 1; | |
639 | } | |
640 | ||
641 | /* | |
ee738499 | 642 | * fill default options |
ebac4655 | 643 | */ |
214e1eca | 644 | fio_fill_default_options(&def_thread); |
ee738499 | 645 | |
2dc1bbeb JA |
646 | def_thread.o.timeout = def_timeout; |
647 | def_thread.o.write_bw_log = write_bw_log; | |
648 | def_thread.o.write_lat_log = write_lat_log; | |
ee738499 | 649 | |
ebac4655 | 650 | #ifdef FIO_HAVE_DISK_UTIL |
2dc1bbeb | 651 | def_thread.o.do_disk_util = 1; |
ebac4655 JA |
652 | #endif |
653 | ||
654 | return 0; | |
655 | } | |
656 | ||
214e1eca JA |
657 | static void free_shm(void) |
658 | { | |
659 | struct shmid_ds sbuf; | |
660 | ||
661 | if (threads) { | |
662 | shmdt((void *) threads); | |
663 | threads = NULL; | |
664 | shmctl(shm_id, IPC_RMID, &sbuf); | |
665 | } | |
666 | } | |
667 | ||
668 | /* | |
669 | * The thread area is shared between the main process and the job | |
670 | * threads/processes. So setup a shared memory segment that will hold | |
671 | * all the job info. | |
672 | */ | |
673 | static int setup_thread_area(void) | |
674 | { | |
675 | /* | |
676 | * 1024 is too much on some machines, scale max_jobs if | |
677 | * we get a failure that looks like too large a shm segment | |
678 | */ | |
679 | do { | |
680 | size_t size = max_jobs * sizeof(struct thread_data); | |
681 | ||
682 | shm_id = shmget(0, size, IPC_CREAT | 0600); | |
683 | if (shm_id != -1) | |
684 | break; | |
685 | if (errno != EINVAL) { | |
686 | perror("shmget"); | |
687 | break; | |
688 | } | |
689 | ||
690 | max_jobs >>= 1; | |
691 | } while (max_jobs); | |
692 | ||
693 | if (shm_id == -1) | |
694 | return 1; | |
695 | ||
696 | threads = shmat(shm_id, NULL, 0); | |
697 | if (threads == (void *) -1) { | |
698 | perror("shmat"); | |
699 | return 1; | |
700 | } | |
701 | ||
702 | atexit(free_shm); | |
703 | return 0; | |
704 | } | |
705 | ||
0ab8db89 | 706 | static void usage(void) |
4785f995 JA |
707 | { |
708 | printf("%s\n", fio_version_string); | |
b4692828 JA |
709 | printf("\t--output\tWrite output to file\n"); |
710 | printf("\t--timeout\tRuntime in seconds\n"); | |
711 | printf("\t--latency-log\tGenerate per-job latency logs\n"); | |
712 | printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n"); | |
713 | printf("\t--minimal\tMinimal (terse) output\n"); | |
714 | printf("\t--version\tPrint version info and exit\n"); | |
fd28ca49 JA |
715 | printf("\t--help\t\tPrint this page\n"); |
716 | printf("\t--cmdhelp=cmd\tPrint command help, \"all\" for all of them\n"); | |
4785f995 JA |
717 | } |
718 | ||
972cfd25 | 719 | static int parse_cmd_line(int argc, char *argv[]) |
ebac4655 | 720 | { |
b4692828 | 721 | struct thread_data *td = NULL; |
b1ec1da6 | 722 | int c, ini_idx = 0, lidx, ret, dont_add_job = 0; |
ebac4655 | 723 | |
0be06ea2 | 724 | while ((c = getopt_long_only(argc, argv, "", long_options, &lidx)) != -1) { |
ebac4655 | 725 | switch (c) { |
b4692828 JA |
726 | case 't': |
727 | def_timeout = atoi(optarg); | |
728 | break; | |
729 | case 'l': | |
730 | write_lat_log = 1; | |
731 | break; | |
732 | case 'w': | |
733 | write_bw_log = 1; | |
734 | break; | |
735 | case 'o': | |
736 | f_out = fopen(optarg, "w+"); | |
737 | if (!f_out) { | |
738 | perror("fopen output"); | |
739 | exit(1); | |
740 | } | |
741 | f_err = f_out; | |
742 | break; | |
743 | case 'm': | |
744 | terse_output = 1; | |
745 | break; | |
746 | case 'h': | |
747 | usage(); | |
748 | exit(0); | |
fd28ca49 | 749 | case 'c': |
214e1eca | 750 | exit(fio_show_option_help(optarg)); |
b4692828 JA |
751 | case 'v': |
752 | printf("%s\n", fio_version_string); | |
753 | exit(0); | |
754 | case FIO_GETOPT_JOB: { | |
755 | const char *opt = long_options[lidx].name; | |
756 | char *val = optarg; | |
757 | ||
c2b1e753 | 758 | if (!strncmp(opt, "name", 4) && td) { |
2dc1bbeb | 759 | ret = add_job(td, td->o.name ?: "fio", 0); |
c2b1e753 JA |
760 | if (ret) { |
761 | put_job(td); | |
762 | return 0; | |
763 | } | |
764 | td = NULL; | |
765 | } | |
b4692828 | 766 | if (!td) { |
38d0adb0 | 767 | int global = !strncmp(val, "global", 6); |
c2b1e753 JA |
768 | |
769 | td = get_new_job(global, &def_thread); | |
b4692828 JA |
770 | if (!td) |
771 | return 0; | |
772 | } | |
38d0adb0 | 773 | |
214e1eca | 774 | ret = fio_cmd_option_parse(td, opt, val); |
78217dfa | 775 | if (ret) |
b1ec1da6 | 776 | dont_add_job = 1; |
b4692828 JA |
777 | break; |
778 | } | |
779 | default: | |
b4692828 | 780 | break; |
ebac4655 JA |
781 | } |
782 | } | |
c9fad893 | 783 | |
b4692828 | 784 | if (td) { |
b1ec1da6 | 785 | if (dont_add_job) |
b4692828 | 786 | put_job(td); |
b1ec1da6 | 787 | else { |
2dc1bbeb | 788 | ret = add_job(td, td->o.name ?: "fio", 0); |
b1ec1da6 JA |
789 | if (ret) |
790 | put_job(td); | |
791 | } | |
972cfd25 | 792 | } |
774a6177 | 793 | |
b4692828 JA |
794 | while (optind < argc) { |
795 | ini_idx++; | |
796 | ini_file = realloc(ini_file, ini_idx * sizeof(char *)); | |
797 | ini_file[ini_idx - 1] = strdup(argv[optind]); | |
798 | optind++; | |
eb8bbf48 | 799 | } |
972cfd25 JA |
800 | |
801 | return ini_idx; | |
ebac4655 JA |
802 | } |
803 | ||
b4692828 | 804 | |
ebac4655 JA |
805 | int parse_options(int argc, char *argv[]) |
806 | { | |
972cfd25 JA |
807 | int job_files, i; |
808 | ||
b4692828 JA |
809 | f_out = stdout; |
810 | f_err = stderr; | |
811 | ||
214e1eca | 812 | fio_options_dup_and_init(long_options); |
b4692828 | 813 | |
ebac4655 JA |
814 | if (setup_thread_area()) |
815 | return 1; | |
816 | if (fill_def_thread()) | |
817 | return 1; | |
818 | ||
972cfd25 | 819 | job_files = parse_cmd_line(argc, argv); |
ebac4655 | 820 | |
972cfd25 JA |
821 | for (i = 0; i < job_files; i++) { |
822 | if (fill_def_thread()) | |
823 | return 1; | |
0c7e37a0 | 824 | if (parse_jobs_ini(ini_file[i], i)) |
972cfd25 | 825 | return 1; |
88c6ed80 | 826 | free(ini_file[i]); |
972cfd25 | 827 | } |
ebac4655 | 828 | |
88c6ed80 | 829 | free(ini_file); |
b4692828 JA |
830 | |
831 | if (!thread_number) { | |
832 | log_err("No jobs defined(s)\n"); | |
b4692828 JA |
833 | return 1; |
834 | } | |
835 | ||
ebac4655 JA |
836 | return 0; |
837 | } |