blob: e96b4102e122bde922d7ebb47360bbdabedbe01c [file] [log] [blame]
Jens Axboe906c8d72006-06-13 09:37:56 +02001/*
Jens Axboecb2c86f2006-10-26 13:48:34 +02002 * This file contains job initialization and setup functions.
Jens Axboe906c8d72006-06-13 09:37:56 +02003 */
Jens Axboeebac4652005-12-08 15:25:21 +01004#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>
Jens Axboeb4692822006-10-27 13:43:22 +020011#include <getopt.h>
Jens Axboeebac4652005-12-08 15:25:21 +010012#include <sys/ipc.h>
13#include <sys/shm.h>
14#include <sys/types.h>
15#include <sys/stat.h>
16
17#include "fio.h"
Jens Axboecb2c86f2006-10-26 13:48:34 +020018#include "parse.h"
Jens Axboeebac4652005-12-08 15:25:21 +010019
Jens Axboe19e82572008-02-18 20:00:08 +010020static char fio_version_string[] = "fio 1.18.1";
Jens Axboe214e1ec2007-03-15 10:48:13 +010021
Jens Axboeee738492007-01-10 11:23:16 +010022#define FIO_RANDSEED (0xb1899bedUL)
Jens Axboeebac4652005-12-08 15:25:21 +010023
Jens Axboe214e1ec2007-03-15 10:48:13 +010024static char **ini_file;
25static int max_jobs = MAX_JOBS;
Jens Axboecca73aa2007-04-04 11:09:19 +020026static int dump_cmdline;
Jens Axboee1f36502006-10-27 10:54:08 +020027
Jens Axboe214e1ec2007-03-15 10:48:13 +010028struct thread_data def_thread;
29struct thread_data *threads = NULL;
Jens Axboee1f36502006-10-27 10:54:08 +020030
Jens Axboe214e1ec2007-03-15 10:48:13 +010031int exitall_on_terminate = 0;
32int terse_output = 0;
Aaron Carrolle592a062007-09-14 09:49:41 +020033int eta_print;
Jens Axboe214e1ec2007-03-15 10:48:13 +010034unsigned long long mlock_size = 0;
35FILE *f_out = NULL;
36FILE *f_err = NULL;
Jens Axboeee738492007-01-10 11:23:16 +010037
Jens Axboe214e1ec2007-03-15 10:48:13 +010038int write_bw_log = 0;
Jens Axboe4241ea82007-09-12 08:18:36 +020039int read_only = 0;
Jens Axboee1f36502006-10-27 10:54:08 +020040
Jens Axboe214e1ec2007-03-15 10:48:13 +010041static int def_timeout = 0;
42static int write_lat_log = 0;
43
44static int prev_group_jobs;
Jens Axboeb4692822006-10-27 13:43:22 +020045
Jens Axboeee56ad52008-02-01 10:30:20 +010046unsigned long fio_debug = 0;
47
Jens Axboeb4692822006-10-27 13:43:22 +020048/*
49 * Command line options. These will contain the above, plus a few
50 * extra that only pertain to fio itself and not jobs.
51 */
Jens Axboe214e1ec2007-03-15 10:48:13 +010052static struct option long_options[FIO_NR_OPTIONS] = {
Jens Axboeb4692822006-10-27 13:43:22 +020053 {
54 .name = "output",
55 .has_arg = required_argument,
56 .val = 'o',
57 },
58 {
59 .name = "timeout",
60 .has_arg = required_argument,
61 .val = 't',
62 },
63 {
64 .name = "latency-log",
65 .has_arg = required_argument,
66 .val = 'l',
67 },
68 {
69 .name = "bandwidth-log",
70 .has_arg = required_argument,
71 .val = 'b',
72 },
73 {
74 .name = "minimal",
75 .has_arg = optional_argument,
76 .val = 'm',
77 },
78 {
79 .name = "version",
80 .has_arg = no_argument,
81 .val = 'v',
82 },
83 {
Jens Axboefd28ca42007-01-09 21:20:13 +010084 .name = "help",
85 .has_arg = no_argument,
86 .val = 'h',
87 },
88 {
89 .name = "cmdhelp",
Jens Axboe320beef2007-03-01 10:44:12 +010090 .has_arg = optional_argument,
Jens Axboefd28ca42007-01-09 21:20:13 +010091 .val = 'c',
92 },
93 {
Jens Axboecca73aa2007-04-04 11:09:19 +020094 .name = "showcmd",
95 .has_arg = no_argument,
Jens Axboe724e4432007-09-11 20:02:05 +020096 .val = 's',
97 },
98 {
99 .name = "readonly",
100 .has_arg = no_argument,
101 .val = 'r',
Jens Axboecca73aa2007-04-04 11:09:19 +0200102 },
103 {
Aaron Carrolle592a062007-09-14 09:49:41 +0200104 .name = "eta",
105 .has_arg = required_argument,
106 .val = 'e',
107 },
108 {
Jens Axboeee56ad52008-02-01 10:30:20 +0100109 .name = "debug",
110 .has_arg = required_argument,
111 .val = 'd',
112 },
113 {
Jens Axboeb4692822006-10-27 13:43:22 +0200114 .name = NULL,
115 },
116};
117
Joel Becker9728ce32007-03-01 08:24:39 +0100118FILE *get_f_out()
119{
120 return f_out;
121}
122
123FILE *get_f_err()
124{
125 return f_err;
126}
127
Jens Axboe906c8d72006-06-13 09:37:56 +0200128/*
129 * Return a free job structure.
130 */
Jens Axboeebac4652005-12-08 15:25:21 +0100131static struct thread_data *get_new_job(int global, struct thread_data *parent)
132{
133 struct thread_data *td;
134
135 if (global)
136 return &def_thread;
137 if (thread_number >= max_jobs)
138 return NULL;
139
140 td = &threads[thread_number++];
Jens Axboeddaeaa52006-06-08 11:00:58 +0200141 *td = *parent;
Jens Axboeebac4652005-12-08 15:25:21 +0100142
Jens Axboecade3ef2007-03-23 15:29:45 +0100143 dup_files(td, parent);
Jens Axboed23bb322007-03-23 15:57:56 +0100144 options_mem_dupe(td);
Jens Axboecade3ef2007-03-23 15:29:45 +0100145
Jens Axboeebac4652005-12-08 15:25:21 +0100146 td->thread_number = thread_number;
Jens Axboeebac4652005-12-08 15:25:21 +0100147 return td;
148}
149
150static void put_job(struct thread_data *td)
151{
Jens Axboe549577a2006-10-30 12:23:41 +0100152 if (td == &def_thread)
153 return;
154
Jens Axboe16edf252007-02-10 14:59:22 +0100155 if (td->error)
Jens Axboe6d861442007-03-15 09:22:23 +0100156 log_info("fio: %s\n", td->verror);
Jens Axboe16edf252007-02-10 14:59:22 +0100157
Jens Axboeebac4652005-12-08 15:25:21 +0100158 memset(&threads[td->thread_number - 1], 0, sizeof(*td));
159 thread_number--;
160}
161
Jens Axboe127f6862007-03-15 12:09:57 +0100162static int setup_rate(struct thread_data *td)
163{
164 unsigned long nr_reads_per_msec;
165 unsigned long long rate;
166 unsigned int bs;
167
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100168 if (!td->o.rate && !td->o.rate_iops)
Jens Axboe127f6862007-03-15 12:09:57 +0100169 return 0;
170
171 if (td_rw(td))
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100172 bs = td->o.rw_min_bs;
Jens Axboe127f6862007-03-15 12:09:57 +0100173 else if (td_read(td))
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100174 bs = td->o.min_bs[DDIR_READ];
Jens Axboe127f6862007-03-15 12:09:57 +0100175 else
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100176 bs = td->o.min_bs[DDIR_WRITE];
Jens Axboe127f6862007-03-15 12:09:57 +0100177
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100178 if (td->o.rate) {
179 rate = td->o.rate;
Jens Axboe127f6862007-03-15 12:09:57 +0100180 nr_reads_per_msec = (rate * 1024 * 1000LL) / bs;
181 } else
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100182 nr_reads_per_msec = td->o.rate_iops * 1000UL;
Jens Axboe127f6862007-03-15 12:09:57 +0100183
184 if (!nr_reads_per_msec) {
185 log_err("rate lower than supported\n");
186 return -1;
187 }
188
189 td->rate_usec_cycle = 1000000000ULL / nr_reads_per_msec;
190 td->rate_pending_usleep = 0;
191 return 0;
192}
193
Jens Axboedad915e2006-10-27 11:10:18 +0200194/*
195 * Lazy way of fixing up options that depend on each other. We could also
196 * define option callback handlers, but this is easier.
197 */
Jens Axboe4e991c22007-03-15 11:41:11 +0100198static int fixup_options(struct thread_data *td)
Jens Axboee1f36502006-10-27 10:54:08 +0200199{
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100200 struct thread_options *o = &td->o;
Jens Axboedad915e2006-10-27 11:10:18 +0200201
Jens Axboe724e4432007-09-11 20:02:05 +0200202 if (read_only && td_write(td)) {
203 log_err("fio: job <%s> has write bit set, but fio is in read-only mode\n", td->o.name);
204 return 1;
205 }
206
Jens Axboee47f7992007-03-21 14:05:39 +0100207 if (o->rwmix[DDIR_READ] + o->rwmix[DDIR_WRITE] > 100)
208 o->rwmix[DDIR_WRITE] = 100 - o->rwmix[DDIR_READ];
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100209
210 if (o->write_iolog_file && o->read_iolog_file) {
Jens Axboe076efc72006-10-27 11:24:25 +0200211 log_err("fio: read iolog overrides write_iolog\n");
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100212 free(o->write_iolog_file);
213 o->write_iolog_file = NULL;
Jens Axboe076efc72006-10-27 11:24:25 +0200214 }
Jens Axboe16b462a2006-10-30 12:35:18 +0100215
Jens Axboe16b462a2006-10-30 12:35:18 +0100216 /*
217 * only really works for sequential io for now, and with 1 file
218 */
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100219 if (o->zone_size && td_random(td) && o->open_files == 1)
220 o->zone_size = 0;
Jens Axboe16b462a2006-10-30 12:35:18 +0100221
222 /*
223 * Reads can do overwrites, we always need to pre-create the file
224 */
225 if (td_read(td) || td_rw(td))
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100226 o->overwrite = 1;
Jens Axboe16b462a2006-10-30 12:35:18 +0100227
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100228 if (!o->min_bs[DDIR_READ])
229 o->min_bs[DDIR_READ]= o->bs[DDIR_READ];
230 if (!o->max_bs[DDIR_READ])
231 o->max_bs[DDIR_READ] = o->bs[DDIR_READ];
232 if (!o->min_bs[DDIR_WRITE])
233 o->min_bs[DDIR_WRITE]= o->bs[DDIR_WRITE];
234 if (!o->max_bs[DDIR_WRITE])
235 o->max_bs[DDIR_WRITE] = o->bs[DDIR_WRITE];
Jens Axboea00735e2006-11-03 08:58:08 +0100236
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100237 o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]);
Jens Axboea00735e2006-11-03 08:58:08 +0100238
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100239 if (!o->file_size_high)
240 o->file_size_high = o->file_size_low;
Jens Axboe9c60ce62007-03-15 09:14:47 +0100241
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100242 if (o->norandommap && o->verify != VERIFY_NONE) {
Jens Axboebb8895e2006-10-30 15:14:48 +0100243 log_err("fio: norandommap given, verify disabled\n");
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100244 o->verify = VERIFY_NONE;
Jens Axboebb8895e2006-10-30 15:14:48 +0100245 }
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100246 if (o->bs_unaligned && (o->odirect || td->io_ops->flags & FIO_RAWIO))
Jens Axboe690adba2006-10-30 15:25:09 +0100247 log_err("fio: bs_unaligned may not work with raw io\n");
Jens Axboee0a22332006-12-20 12:54:25 +0100248
249 /*
Jens Axboe48097d52007-02-17 06:30:44 +0100250 * thinktime_spin must be less than thinktime
251 */
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100252 if (o->thinktime_spin > o->thinktime)
253 o->thinktime_spin = o->thinktime;
Jens Axboee916b392007-02-20 14:37:26 +0100254
255 /*
256 * The low water mark cannot be bigger than the iodepth
257 */
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100258 if (o->iodepth_low > o->iodepth || !o->iodepth_low) {
Jens Axboe9467b772007-02-27 19:56:43 +0100259 /*
260 * syslet work around - if the workload is sequential,
261 * we want to let the queue drain all the way down to
262 * avoid seeking between async threads
263 */
264 if (!strcmp(td->io_ops->name, "syslet-rw") && !td_random(td))
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100265 o->iodepth_low = 1;
Jens Axboe9467b772007-02-27 19:56:43 +0100266 else
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100267 o->iodepth_low = o->iodepth;
Jens Axboe9467b772007-02-27 19:56:43 +0100268 }
Jens Axboecb5ab512007-02-26 12:57:09 +0100269
270 /*
271 * If batch number isn't set, default to the same as iodepth
272 */
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100273 if (o->iodepth_batch > o->iodepth || !o->iodepth_batch)
274 o->iodepth_batch = o->iodepth;
Jens Axboeb5af8292007-03-08 12:43:13 +0100275
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100276 if (o->nr_files > td->files_index)
277 o->nr_files = td->files_index;
Jens Axboe9f9214f2007-03-13 14:02:16 +0100278
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100279 if (o->open_files > o->nr_files || !o->open_files)
280 o->open_files = o->nr_files;
Jens Axboe4e991c22007-03-15 11:41:11 +0100281
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100282 if ((o->rate && o->rate_iops) || (o->ratemin && o->rate_iops_min)) {
Jens Axboe4e991c22007-03-15 11:41:11 +0100283 log_err("fio: rate and rate_iops are mutually exclusive\n");
284 return 1;
285 }
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100286 if ((o->rate < o->ratemin) || (o->rate_iops < o->rate_iops_min)) {
Jens Axboe4e991c22007-03-15 11:41:11 +0100287 log_err("fio: minimum rate exceeds rate\n");
288 return 1;
289 }
290
Jens Axboecf4464c2007-04-17 20:14:42 +0200291 if (!o->timeout && o->time_based) {
292 log_err("fio: time_based requires a runtime/timeout setting\n");
293 o->time_based = 0;
294 }
295
Shawn Lewisaa31f1f2008-01-11 09:45:11 +0100296 if (o->fill_device && !o->size)
297 o->size = ULONG_LONG_MAX;
Jens Axboe79713142008-02-06 14:40:14 +0100298
299 if (td_rw(td) && td->o.verify != VERIFY_NONE)
300 log_info("fio: mixed read/write workload with verify. May not "
301 "work as expected, unless you pre-populated the file\n");
Shawn Lewisaa31f1f2008-01-11 09:45:11 +0100302
Jens Axboe4e991c22007-03-15 11:41:11 +0100303 return 0;
Jens Axboee1f36502006-10-27 10:54:08 +0200304}
305
Jens Axboe906c8d72006-06-13 09:37:56 +0200306/*
Jens Axboef8977ee2006-11-06 14:03:03 +0100307 * This function leaks the buffer
308 */
309static char *to_kmg(unsigned int val)
310{
311 char *buf = malloc(32);
Jens Axboef3502ba2007-02-14 01:27:09 +0100312 char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 };
Jens Axboef8977ee2006-11-06 14:03:03 +0100313 char *p = post;
314
Jens Axboe245142f2006-11-08 12:49:21 +0100315 do {
Jens Axboef8977ee2006-11-06 14:03:03 +0100316 if (val & 1023)
317 break;
318
319 val >>= 10;
320 p++;
Jens Axboe245142f2006-11-08 12:49:21 +0100321 } while (*p);
Jens Axboef8977ee2006-11-06 14:03:03 +0100322
323 snprintf(buf, 31, "%u%c", val, *p);
324 return buf;
325}
326
Jens Axboe09629a92007-03-09 09:00:06 +0100327/* External engines are specified by "external:name.o") */
328static const char *get_engine_name(const char *str)
329{
330 char *p = strstr(str, ":");
331
332 if (!p)
333 return str;
334
335 p++;
336 strip_blank_front(&p);
337 strip_blank_end(p);
338 return p;
339}
340
Jens Axboee132cba2007-03-14 14:23:54 +0100341static int exists_and_not_file(const char *filename)
342{
343 struct stat sb;
344
345 if (lstat(filename, &sb) == -1)
346 return 0;
347
348 if (S_ISREG(sb.st_mode))
349 return 0;
350
351 return 1;
352}
353
Jens Axboef8977ee2006-11-06 14:03:03 +0100354/*
Jens Axboe9c60ce62007-03-15 09:14:47 +0100355 * Initialize the various random states we need (random io, block size ranges,
356 * read/write mix, etc).
357 */
358static int init_random_state(struct thread_data *td)
359{
360 unsigned long seeds[6];
Jens Axboe68727072007-03-15 20:49:25 +0100361 int fd;
Jens Axboe9c60ce62007-03-15 09:14:47 +0100362
363 fd = open("/dev/urandom", O_RDONLY);
364 if (fd == -1) {
365 td_verror(td, errno, "open");
366 return 1;
367 }
368
369 if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) {
370 td_verror(td, EIO, "read");
371 close(fd);
372 return 1;
373 }
374
375 close(fd);
376
377 os_random_seed(seeds[0], &td->bsrange_state);
378 os_random_seed(seeds[1], &td->verify_state);
379 os_random_seed(seeds[2], &td->rwmix_state);
380
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100381 if (td->o.file_service_type == FIO_FSERVICE_RANDOM)
Jens Axboe9c60ce62007-03-15 09:14:47 +0100382 os_random_seed(seeds[3], &td->next_file_state);
383
384 os_random_seed(seeds[5], &td->file_size_state);
385
386 if (!td_random(td))
387 return 0;
388
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100389 if (td->o.rand_repeatable)
Jens Axboe9c60ce62007-03-15 09:14:47 +0100390 seeds[4] = FIO_RANDSEED * td->thread_number;
391
Jens Axboe9c60ce62007-03-15 09:14:47 +0100392 os_random_seed(seeds[4], &td->random_state);
393 return 0;
394}
395
Jens Axboe9c60ce62007-03-15 09:14:47 +0100396/*
Jens Axboe906c8d72006-06-13 09:37:56 +0200397 * Adds a job to the list of things todo. Sanitizes the various options
398 * to make sure we don't have conflicts, and initializes various
399 * members of td.
400 */
Jens Axboe75154842006-06-01 13:56:09 +0200401static int add_job(struct thread_data *td, const char *jobname, int job_add_num)
Jens Axboeebac4652005-12-08 15:25:21 +0100402{
Jens Axboe413dd452007-02-23 09:26:09 +0100403 const char *ddir_str[] = { NULL, "read", "write", "rw", NULL,
404 "randread", "randwrite", "randrw" };
Jens Axboeaf52b342007-03-13 10:07:47 +0100405 unsigned int i;
Jens Axboe09629a92007-03-09 09:00:06 +0100406 const char *engine;
Jens Axboeaf52b342007-03-13 10:07:47 +0100407 char fname[PATH_MAX];
Jens Axboee132cba2007-03-14 14:23:54 +0100408 int numjobs, file_alloced;
Jens Axboeebac4652005-12-08 15:25:21 +0100409
Jens Axboeebac4652005-12-08 15:25:21 +0100410 /*
411 * the def_thread is just for options, it's not a real job
412 */
413 if (td == &def_thread)
414 return 0;
415
Jens Axboecca73aa2007-04-04 11:09:19 +0200416 /*
417 * if we are just dumping the output command line, don't add the job
418 */
419 if (dump_cmdline) {
420 put_job(td);
421 return 0;
422 }
423
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100424 engine = get_engine_name(td->o.ioengine);
Jens Axboe09629a92007-03-09 09:00:06 +0100425 td->io_ops = load_ioengine(td, engine);
426 if (!td->io_ops) {
427 log_err("fio: failed to load engine %s\n", engine);
Jens Axboe205927a2007-03-15 11:06:32 +0100428 goto err;
Jens Axboe09629a92007-03-09 09:00:06 +0100429 }
Jens Axboedf641192006-10-12 07:55:41 +0200430
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100431 if (td->o.use_thread)
Jens Axboe9cedf162007-03-12 11:29:30 +0100432 nr_thread++;
433 else
434 nr_process++;
435
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100436 if (td->o.odirect)
Jens Axboe690adba2006-10-30 15:25:09 +0100437 td->io_ops->flags |= FIO_RAWIO;
438
Jens Axboee132cba2007-03-14 14:23:54 +0100439 file_alloced = 0;
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100440 if (!td->o.filename && !td->files_index) {
Jens Axboee132cba2007-03-14 14:23:54 +0100441 file_alloced = 1;
Jens Axboe80be24f2007-03-12 11:01:25 +0100442
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100443 if (td->o.nr_files == 1 && exists_and_not_file(jobname))
Jens Axboee132cba2007-03-14 14:23:54 +0100444 add_file(td, jobname);
Jens Axboe7b05a212007-03-13 11:17:07 +0100445 else {
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100446 for (i = 0; i < td->o.nr_files; i++) {
Jens Axboee132cba2007-03-14 14:23:54 +0100447 sprintf(fname, "%s.%d.%d", jobname, td->thread_number, i);
Jens Axboe7b05a212007-03-13 11:17:07 +0100448 add_file(td, fname);
449 }
Jens Axboeaf52b342007-03-13 10:07:47 +0100450 }
Jens Axboe0af7b542006-02-17 10:10:12 +0100451 }
Jens Axboeebac4652005-12-08 15:25:21 +0100452
Jens Axboe4e991c22007-03-15 11:41:11 +0100453 if (fixup_options(td))
454 goto err;
Jens Axboee0a22332006-12-20 12:54:25 +0100455
Jens Axboe07eb79d2007-04-12 13:02:38 +0200456 if (td->io_ops->flags & FIO_DISKLESSIO) {
457 struct fio_file *f;
458
459 for_each_file(td, f, i)
460 f->real_file_size = -1ULL;
461 }
462
Jens Axboe07739b52007-03-08 20:25:46 +0100463 td->mutex = fio_sem_init(0);
Jens Axboeebac4652005-12-08 15:25:21 +0100464
Jens Axboe756867b2007-03-06 15:19:24 +0100465 td->ts.clat_stat[0].min_val = td->ts.clat_stat[1].min_val = ULONG_MAX;
466 td->ts.slat_stat[0].min_val = td->ts.slat_stat[1].min_val = ULONG_MAX;
467 td->ts.bw_stat[0].min_val = td->ts.bw_stat[1].min_val = ULONG_MAX;
Jens Axboe1e3d53a2007-03-22 19:01:48 +0100468 td->ddir_nr = td->o.ddir_nr;
Jens Axboeebac4652005-12-08 15:25:21 +0100469
Jens Axboeb3d62a72007-03-20 14:23:26 +0100470 if ((td->o.stonewall || td->o.numjobs > 1 || td->o.new_group)
471 && prev_group_jobs) {
Jens Axboe3c5df6f2007-03-12 15:09:24 +0100472 prev_group_jobs = 0;
Jens Axboeebac4652005-12-08 15:25:21 +0100473 groupid++;
Jens Axboe3c5df6f2007-03-12 15:09:24 +0100474 }
Jens Axboeebac4652005-12-08 15:25:21 +0100475
476 td->groupid = groupid;
Jens Axboe3c5df6f2007-03-12 15:09:24 +0100477 prev_group_jobs++;
Jens Axboeebac4652005-12-08 15:25:21 +0100478
Jens Axboe9c60ce62007-03-15 09:14:47 +0100479 if (init_random_state(td))
480 goto err;
481
Jens Axboeebac4652005-12-08 15:25:21 +0100482 if (setup_rate(td))
483 goto err;
484
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100485 if (td->o.write_lat_log) {
Jens Axboe756867b2007-03-06 15:19:24 +0100486 setup_log(&td->ts.slat_log);
487 setup_log(&td->ts.clat_log);
Jens Axboeebac4652005-12-08 15:25:21 +0100488 }
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100489 if (td->o.write_bw_log)
Jens Axboe756867b2007-03-06 15:19:24 +0100490 setup_log(&td->ts.bw_log);
Jens Axboeebac4652005-12-08 15:25:21 +0100491
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100492 if (!td->o.name)
493 td->o.name = strdup(jobname);
Jens Axboe01452052006-06-07 10:29:47 +0200494
Jens Axboec6ae0a52006-06-12 11:04:44 +0200495 if (!terse_output) {
Jens Axboeb990b5c2006-09-14 09:48:22 +0200496 if (!job_add_num) {
Jens Axboeba0fbe12007-03-09 14:34:23 +0100497 if (!strcmp(td->io_ops->name, "cpuio"))
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100498 log_info("%s: ioengine=cpu, cpuload=%u, cpucycle=%u\n", td->o.name, td->o.cpuload, td->o.cpucycle);
Jens Axboef8977ee2006-11-06 14:03:03 +0100499 else {
500 char *c1, *c2, *c3, *c4;
501
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100502 c1 = to_kmg(td->o.min_bs[DDIR_READ]);
503 c2 = to_kmg(td->o.max_bs[DDIR_READ]);
504 c3 = to_kmg(td->o.min_bs[DDIR_WRITE]);
505 c4 = to_kmg(td->o.max_bs[DDIR_WRITE]);
Jens Axboef8977ee2006-11-06 14:03:03 +0100506
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100507 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);
Jens Axboef8977ee2006-11-06 14:03:03 +0100508
509 free(c1);
510 free(c2);
511 free(c3);
512 free(c4);
513 }
Jens Axboeb990b5c2006-09-14 09:48:22 +0200514 } else if (job_add_num == 1)
Jens Axboe6d861442007-03-15 09:22:23 +0100515 log_info("...\n");
Jens Axboec6ae0a52006-06-12 11:04:44 +0200516 }
Jens Axboeebac4652005-12-08 15:25:21 +0100517
518 /*
519 * recurse add identical jobs, clear numjobs and stonewall options
520 * as they don't apply to sub-jobs
521 */
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100522 numjobs = td->o.numjobs;
Jens Axboeebac4652005-12-08 15:25:21 +0100523 while (--numjobs) {
524 struct thread_data *td_new = get_new_job(0, td);
525
526 if (!td_new)
527 goto err;
528
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100529 td_new->o.numjobs = 1;
530 td_new->o.stonewall = 0;
Jens Axboe92c1d412007-03-28 10:04:08 +0200531 td_new->o.new_group = 0;
Jens Axboee132cba2007-03-14 14:23:54 +0100532
533 if (file_alloced) {
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100534 td_new->o.filename = NULL;
Jens Axboee132cba2007-03-14 14:23:54 +0100535 td_new->files_index = 0;
536 td_new->files = NULL;
537 }
538
Jens Axboe75154842006-06-01 13:56:09 +0200539 job_add_num = numjobs - 1;
Jens Axboeebac4652005-12-08 15:25:21 +0100540
Jens Axboe75154842006-06-01 13:56:09 +0200541 if (add_job(td_new, jobname, job_add_num))
Jens Axboeebac4652005-12-08 15:25:21 +0100542 goto err;
543 }
Jens Axboe3c5df6f2007-03-12 15:09:24 +0100544
Jens Axboeebac4652005-12-08 15:25:21 +0100545 return 0;
546err:
547 put_job(td);
548 return -1;
549}
550
Jens Axboeebac4652005-12-08 15:25:21 +0100551static int is_empty_or_comment(char *line)
552{
553 unsigned int i;
554
555 for (i = 0; i < strlen(line); i++) {
556 if (line[i] == ';')
557 return 1;
Ingo Molnar5cc2da32007-02-20 10:19:44 +0100558 if (line[i] == '#')
559 return 1;
Jens Axboeebac4652005-12-08 15:25:21 +0100560 if (!isspace(line[i]) && !iscntrl(line[i]))
561 return 0;
562 }
563
564 return 1;
565}
566
Jens Axboe313cb202006-12-21 09:50:00 +0100567/*
Jens Axboe07261982006-06-07 10:51:12 +0200568 * This is our [ini] type file parser.
569 */
Jens Axboe1e97cce2006-12-05 11:44:16 +0100570static int parse_jobs_ini(char *file, int stonewall_flag)
Jens Axboeebac4652005-12-08 15:25:21 +0100571{
Jens Axboee1f36502006-10-27 10:54:08 +0200572 unsigned int global;
Jens Axboeebac4652005-12-08 15:25:21 +0100573 struct thread_data *td;
Jens Axboefee3bb42006-10-30 13:32:08 +0100574 char *string, *name;
Jens Axboeebac4652005-12-08 15:25:21 +0100575 FILE *f;
576 char *p;
Jens Axboe0c7e37a2006-06-13 14:53:38 +0200577 int ret = 0, stonewall;
Jens Axboe097b2992007-04-19 09:41:45 +0200578 int first_sect = 1;
Jens Axboeccf8f122007-09-27 10:48:55 +0200579 int skip_fgets = 0;
Jens Axboeebac4652005-12-08 15:25:21 +0100580
Aaron Carroll5a729cb2007-09-27 09:03:55 +0200581 if (!strcmp(file, "-"))
582 f = stdin;
583 else
584 f = fopen(file, "r");
585
Jens Axboeebac4652005-12-08 15:25:21 +0100586 if (!f) {
Jens Axboeaea47d42006-05-26 19:27:29 +0200587 perror("fopen job file");
Jens Axboeebac4652005-12-08 15:25:21 +0100588 return 1;
589 }
590
591 string = malloc(4096);
Jens Axboe7f7e6e52007-07-19 14:50:05 +0200592
593 /*
594 * it's really 256 + small bit, 280 should suffice
595 */
596 name = malloc(280);
597 memset(name, 0, 280);
Jens Axboeebac4652005-12-08 15:25:21 +0100598
Jens Axboe0c7e37a2006-06-13 14:53:38 +0200599 stonewall = stonewall_flag;
Jens Axboe7c124ac2006-10-30 13:36:52 +0100600 do {
Jens Axboeccf8f122007-09-27 10:48:55 +0200601 /*
602 * if skip_fgets is set, we already have loaded a line we
603 * haven't handled.
604 */
605 if (!skip_fgets) {
606 p = fgets(string, 4095, f);
607 if (!p)
608 break;
609 }
gurudas paicdc7f192007-03-29 10:10:56 +0200610
Jens Axboeccf8f122007-09-27 10:48:55 +0200611 skip_fgets = 0;
gurudas paicdc7f192007-03-29 10:10:56 +0200612 strip_blank_front(&p);
Jens Axboe6c7c7da2007-03-29 14:12:57 -0800613 strip_blank_end(p);
gurudas paicdc7f192007-03-29 10:10:56 +0200614
Jens Axboeebac4652005-12-08 15:25:21 +0100615 if (is_empty_or_comment(p))
616 continue;
Jens Axboe6c7c7da2007-03-29 14:12:57 -0800617 if (sscanf(p, "[%255s]", name) != 1) {
Jens Axboe088b4202007-07-19 14:53:01 +0200618 log_err("fio: option <%s> outside of [] job section\n", p);
619 break;
Jens Axboe6c7c7da2007-03-29 14:12:57 -0800620 }
Jens Axboeebac4652005-12-08 15:25:21 +0100621
622 global = !strncmp(name, "global", 6);
623
624 name[strlen(name) - 1] = '\0';
625
Jens Axboecca73aa2007-04-04 11:09:19 +0200626 if (dump_cmdline) {
Jens Axboe097b2992007-04-19 09:41:45 +0200627 if (first_sect)
628 log_info("fio ");
Jens Axboecca73aa2007-04-04 11:09:19 +0200629 if (!global)
630 log_info("--name=%s ", name);
Jens Axboe097b2992007-04-19 09:41:45 +0200631 first_sect = 0;
Jens Axboecca73aa2007-04-04 11:09:19 +0200632 }
633
Jens Axboeebac4652005-12-08 15:25:21 +0100634 td = get_new_job(global, &def_thread);
Jens Axboe45410ac2006-06-07 11:10:39 +0200635 if (!td) {
636 ret = 1;
637 break;
638 }
Jens Axboeebac4652005-12-08 15:25:21 +0100639
Jens Axboe972cfd22006-06-09 11:08:56 +0200640 /*
641 * Seperate multiple job files by a stonewall
642 */
Jens Axboef9481912006-06-09 11:37:28 +0200643 if (!global && stonewall) {
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100644 td->o.stonewall = stonewall;
Jens Axboe972cfd22006-06-09 11:08:56 +0200645 stonewall = 0;
646 }
647
Jens Axboeebac4652005-12-08 15:25:21 +0100648 while ((p = fgets(string, 4096, f)) != NULL) {
649 if (is_empty_or_comment(p))
650 continue;
Jens Axboee1f36502006-10-27 10:54:08 +0200651
Jens Axboeb6754f92006-05-30 14:29:32 +0200652 strip_blank_front(&p);
Jens Axboe7c124ac2006-10-30 13:36:52 +0100653
Jens Axboeccf8f122007-09-27 10:48:55 +0200654 /*
655 * new section, break out and make sure we don't
656 * fgets() a new line at the top.
657 */
658 if (p[0] == '[') {
659 skip_fgets = 1;
Jens Axboe7c124ac2006-10-30 13:36:52 +0100660 break;
Jens Axboeccf8f122007-09-27 10:48:55 +0200661 }
Jens Axboe7c124ac2006-10-30 13:36:52 +0100662
Jens Axboe4ae3f762006-05-30 13:35:14 +0200663 strip_blank_end(p);
Jens Axboeaea47d42006-05-26 19:27:29 +0200664
Jens Axboe45410ac2006-06-07 11:10:39 +0200665 /*
666 * Don't break here, continue parsing options so we
667 * dump all the bad ones. Makes trial/error fixups
668 * easier on the user.
669 */
Jens Axboe214e1ec2007-03-15 10:48:13 +0100670 ret |= fio_option_parse(td, p);
Jens Axboecca73aa2007-04-04 11:09:19 +0200671 if (!ret && dump_cmdline)
672 log_info("--%s ", p);
Jens Axboeebac4652005-12-08 15:25:21 +0100673 }
Jens Axboeebac4652005-12-08 15:25:21 +0100674
Jens Axboeccf8f122007-09-27 10:48:55 +0200675 if (!ret)
Jens Axboe45410ac2006-06-07 11:10:39 +0200676 ret = add_job(td, name, 0);
Jens Axboeccf8f122007-09-27 10:48:55 +0200677 else {
Jens Axboeb1508cf2006-11-02 09:12:40 +0100678 log_err("fio: job %s dropped\n", name);
679 put_job(td);
Jens Axboe45410ac2006-06-07 11:10:39 +0200680 }
Jens Axboe7c124ac2006-10-30 13:36:52 +0100681 } while (!ret);
Jens Axboeebac4652005-12-08 15:25:21 +0100682
Jens Axboecca73aa2007-04-04 11:09:19 +0200683 if (dump_cmdline)
684 log_info("\n");
685
Jens Axboeebac4652005-12-08 15:25:21 +0100686 free(string);
687 free(name);
Aaron Carroll5a729cb2007-09-27 09:03:55 +0200688 if (f != stdin)
689 fclose(f);
Jens Axboe45410ac2006-06-07 11:10:39 +0200690 return ret;
Jens Axboeebac4652005-12-08 15:25:21 +0100691}
692
693static int fill_def_thread(void)
694{
695 memset(&def_thread, 0, sizeof(def_thread));
696
Jens Axboe375b2692007-05-22 09:13:02 +0200697 fio_getaffinity(getpid(), &def_thread.o.cpumask);
Jens Axboeebac4652005-12-08 15:25:21 +0100698
699 /*
Jens Axboeee738492007-01-10 11:23:16 +0100700 * fill default options
Jens Axboeebac4652005-12-08 15:25:21 +0100701 */
Jens Axboe214e1ec2007-03-15 10:48:13 +0100702 fio_fill_default_options(&def_thread);
Jens Axboeee738492007-01-10 11:23:16 +0100703
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100704 def_thread.o.timeout = def_timeout;
705 def_thread.o.write_bw_log = write_bw_log;
706 def_thread.o.write_lat_log = write_lat_log;
Jens Axboeee738492007-01-10 11:23:16 +0100707
Jens Axboeebac4652005-12-08 15:25:21 +0100708 return 0;
709}
710
Jens Axboeebac4652005-12-08 15:25:21 +0100711static void free_shm(void)
712{
713 struct shmid_ds sbuf;
714
715 if (threads) {
Jens Axboe2c0ecd22006-06-08 13:25:41 +0200716 shmdt((void *) threads);
Jens Axboeebac4652005-12-08 15:25:21 +0100717 threads = NULL;
718 shmctl(shm_id, IPC_RMID, &sbuf);
719 }
720}
721
Jens Axboe906c8d72006-06-13 09:37:56 +0200722/*
723 * The thread area is shared between the main process and the job
724 * threads/processes. So setup a shared memory segment that will hold
725 * all the job info.
726 */
Jens Axboeebac4652005-12-08 15:25:21 +0100727static int setup_thread_area(void)
728{
729 /*
730 * 1024 is too much on some machines, scale max_jobs if
731 * we get a failure that looks like too large a shm segment
732 */
733 do {
Jens Axboe906c8d72006-06-13 09:37:56 +0200734 size_t size = max_jobs * sizeof(struct thread_data);
Jens Axboeebac4652005-12-08 15:25:21 +0100735
Jens Axboe906c8d72006-06-13 09:37:56 +0200736 shm_id = shmget(0, size, IPC_CREAT | 0600);
Jens Axboeebac4652005-12-08 15:25:21 +0100737 if (shm_id != -1)
738 break;
739 if (errno != EINVAL) {
740 perror("shmget");
741 break;
742 }
743
744 max_jobs >>= 1;
745 } while (max_jobs);
746
747 if (shm_id == -1)
748 return 1;
749
750 threads = shmat(shm_id, NULL, 0);
751 if (threads == (void *) -1) {
752 perror("shmat");
753 return 1;
754 }
755
Jens Axboe1f809d12007-10-25 18:34:02 +0200756 memset(threads, 0, max_jobs * sizeof(struct thread_data));
Jens Axboeebac4652005-12-08 15:25:21 +0100757 atexit(free_shm);
758 return 0;
759}
760
Jens Axboe45378b32007-12-19 13:54:38 +0100761static void usage(const char *name)
Jens Axboeb4692822006-10-27 13:43:22 +0200762{
Jens Axboe214e1ec2007-03-15 10:48:13 +0100763 printf("%s\n", fio_version_string);
Jens Axboe45378b32007-12-19 13:54:38 +0100764 printf("%s [options] [job options] <job file(s)>\n", name);
Jens Axboeee56ad52008-02-01 10:30:20 +0100765 printf("\t--debug=options\tEnable debug logging\n");
Jens Axboe214e1ec2007-03-15 10:48:13 +0100766 printf("\t--output\tWrite output to file\n");
767 printf("\t--timeout\tRuntime in seconds\n");
768 printf("\t--latency-log\tGenerate per-job latency logs\n");
769 printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n");
770 printf("\t--minimal\tMinimal (terse) output\n");
771 printf("\t--version\tPrint version info and exit\n");
772 printf("\t--help\t\tPrint this page\n");
773 printf("\t--cmdhelp=cmd\tPrint command help, \"all\" for all of them\n");
Jens Axboecca73aa2007-04-04 11:09:19 +0200774 printf("\t--showcmd\tTurn a job file into command line options\n");
Aaron Carrolle592a062007-09-14 09:49:41 +0200775 printf("\t--eta=when\tWhen ETA estimate should be printed\n");
776 printf("\t \tMay be \"always\", \"never\" or \"auto\"\n");
Jens Axboe062c6022008-02-18 20:15:03 +0100777 printf("\t--readonly\tTurn on safety read-only checks, preventing writes\n");
Jens Axboeb4692822006-10-27 13:43:22 +0200778}
779
Jens Axboe79e48f72008-02-01 20:37:09 +0100780#ifdef FIO_INC_DEBUG
Jens Axboeee56ad52008-02-01 10:30:20 +0100781struct debug_level debug_levels[] = {
Jens Axboebd6f78b2008-02-01 20:27:52 +0100782 { .name = "process", .shift = FD_PROCESS, },
783 { .name = "file", .shift = FD_FILE, },
784 { .name = "io", .shift = FD_IO, },
785 { .name = "mem", .shift = FD_MEM, },
786 { .name = "blktrace", .shift = FD_BLKTRACE },
787 { .name = "verify", .shift = FD_VERIFY },
Jens Axboeee56ad52008-02-01 10:30:20 +0100788 { },
789};
790
791static void set_debug(const char *string)
792{
793 struct debug_level *dl;
794 char *p = (char *) string;
795 char *opt;
796 int i;
797
798 if (!strcmp(string, "?") || !strcmp(string, "help")) {
799 int i;
800
801 log_info("fio: dumping debug options:");
802 for (i = 0; debug_levels[i].name; i++) {
803 dl = &debug_levels[i];
804 log_info("%s,", dl->name);
805 }
Jens Axboebd6f78b2008-02-01 20:27:52 +0100806 log_info("all\n");
807 return;
808 } else if (!strcmp(string, "all")) {
809 fio_debug = ~0UL;
Jens Axboeee56ad52008-02-01 10:30:20 +0100810 return;
811 }
812
813 while ((opt = strsep(&p, ",")) != NULL) {
814 int found = 0;
815
816 for (i = 0; debug_levels[i].name; i++) {
817 dl = &debug_levels[i];
818 if (!strncmp(opt, dl->name, strlen(opt))) {
819 log_info("fio: set debug option %s\n", opt);
820 found = 1;
Jens Axboebd6f78b2008-02-01 20:27:52 +0100821 fio_debug |= (1UL << dl->shift);
Jens Axboeee56ad52008-02-01 10:30:20 +0100822 break;
823 }
824 }
825
826 if (!found)
827 log_err("fio: debug mask %s not found\n", opt);
828 }
829}
Jens Axboe79e48f72008-02-01 20:37:09 +0100830#else
831static void set_debug(const char *string)
832{
833 log_err("fio: debug tracing not included in build\n");
834}
835#endif
Jens Axboeee56ad52008-02-01 10:30:20 +0100836
Jens Axboe214e1ec2007-03-15 10:48:13 +0100837static int parse_cmd_line(int argc, char *argv[])
838{
839 struct thread_data *td = NULL;
Jens Axboe536582b2008-02-18 20:26:32 +0100840 int c, ini_idx = 0, lidx, ret, dont_add_job = 0, bad_options = 0;
Jens Axboe214e1ec2007-03-15 10:48:13 +0100841
842 while ((c = getopt_long_only(argc, argv, "", long_options, &lidx)) != -1) {
843 switch (c) {
844 case 't':
845 def_timeout = atoi(optarg);
846 break;
847 case 'l':
848 write_lat_log = 1;
849 break;
850 case 'w':
851 write_bw_log = 1;
852 break;
853 case 'o':
854 f_out = fopen(optarg, "w+");
855 if (!f_out) {
856 perror("fopen output");
857 exit(1);
858 }
859 f_err = f_out;
860 break;
861 case 'm':
862 terse_output = 1;
863 break;
864 case 'h':
Jens Axboe45378b32007-12-19 13:54:38 +0100865 usage(argv[0]);
Jens Axboe214e1ec2007-03-15 10:48:13 +0100866 exit(0);
867 case 'c':
868 exit(fio_show_option_help(optarg));
Jens Axboecca73aa2007-04-04 11:09:19 +0200869 case 's':
870 dump_cmdline = 1;
871 break;
Jens Axboe724e4432007-09-11 20:02:05 +0200872 case 'r':
873 read_only = 1;
874 break;
Jens Axboe214e1ec2007-03-15 10:48:13 +0100875 case 'v':
876 printf("%s\n", fio_version_string);
877 exit(0);
Aaron Carrolle592a062007-09-14 09:49:41 +0200878 case 'e':
879 if (!strcmp("always", optarg))
880 eta_print = FIO_ETA_ALWAYS;
881 else if (!strcmp("never", optarg))
882 eta_print = FIO_ETA_NEVER;
883 break;
Jens Axboeee56ad52008-02-01 10:30:20 +0100884 case 'd':
885 set_debug(optarg);
886 break;
Jens Axboe214e1ec2007-03-15 10:48:13 +0100887 case FIO_GETOPT_JOB: {
888 const char *opt = long_options[lidx].name;
889 char *val = optarg;
890
891 if (!strncmp(opt, "name", 4) && td) {
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100892 ret = add_job(td, td->o.name ?: "fio", 0);
Jens Axboe214e1ec2007-03-15 10:48:13 +0100893 if (ret) {
894 put_job(td);
895 return 0;
896 }
897 td = NULL;
898 }
899 if (!td) {
Jens Axboe3106f222007-04-19 09:53:28 +0200900 int global = 0;
901
902 if (strncmp(opt, "name", 4) ||
903 !strncmp(val, "global", 6))
904 global = 1;
Jens Axboe214e1ec2007-03-15 10:48:13 +0100905
906 td = get_new_job(global, &def_thread);
907 if (!td)
908 return 0;
909 }
910
911 ret = fio_cmd_option_parse(td, opt, val);
912 if (ret)
913 dont_add_job = 1;
914 break;
915 }
916 default:
Jens Axboe536582b2008-02-18 20:26:32 +0100917 bad_options++;
Jens Axboe214e1ec2007-03-15 10:48:13 +0100918 break;
919 }
920 }
921
Jens Axboe536582b2008-02-18 20:26:32 +0100922 if (bad_options)
923 exit(1);
924
Jens Axboe214e1ec2007-03-15 10:48:13 +0100925 if (td) {
926 if (dont_add_job)
927 put_job(td);
928 else {
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100929 ret = add_job(td, td->o.name ?: "fio", 0);
Jens Axboe214e1ec2007-03-15 10:48:13 +0100930 if (ret)
931 put_job(td);
932 }
933 }
934
935 while (optind < argc) {
936 ini_idx++;
937 ini_file = realloc(ini_file, ini_idx * sizeof(char *));
938 ini_file[ini_idx - 1] = strdup(argv[optind]);
939 optind++;
940 }
941
942 return ini_idx;
943}
944
Jens Axboeebac4652005-12-08 15:25:21 +0100945int parse_options(int argc, char *argv[])
946{
Jens Axboe972cfd22006-06-09 11:08:56 +0200947 int job_files, i;
948
Jens Axboeb4692822006-10-27 13:43:22 +0200949 f_out = stdout;
950 f_err = stderr;
951
Jens Axboe214e1ec2007-03-15 10:48:13 +0100952 fio_options_dup_and_init(long_options);
Jens Axboeb4692822006-10-27 13:43:22 +0200953
Jens Axboeebac4652005-12-08 15:25:21 +0100954 if (setup_thread_area())
955 return 1;
956 if (fill_def_thread())
957 return 1;
958
Jens Axboe972cfd22006-06-09 11:08:56 +0200959 job_files = parse_cmd_line(argc, argv);
Jens Axboeebac4652005-12-08 15:25:21 +0100960
Jens Axboe972cfd22006-06-09 11:08:56 +0200961 for (i = 0; i < job_files; i++) {
962 if (fill_def_thread())
963 return 1;
Jens Axboe0c7e37a2006-06-13 14:53:38 +0200964 if (parse_jobs_ini(ini_file[i], i))
Jens Axboe972cfd22006-06-09 11:08:56 +0200965 return 1;
Jens Axboe88c6ed82006-06-09 11:28:10 +0200966 free(ini_file[i]);
Jens Axboe972cfd22006-06-09 11:08:56 +0200967 }
Jens Axboeebac4652005-12-08 15:25:21 +0100968
Jens Axboe88c6ed82006-06-09 11:28:10 +0200969 free(ini_file);
Jens Axboed23bb322007-03-23 15:57:56 +0100970 options_mem_free(&def_thread);
Jens Axboeb4692822006-10-27 13:43:22 +0200971
972 if (!thread_number) {
Jens Axboecca73aa2007-04-04 11:09:19 +0200973 if (dump_cmdline)
974 return 0;
975
Jens Axboeb4692822006-10-27 13:43:22 +0200976 log_err("No jobs defined(s)\n");
Jens Axboe45378b32007-12-19 13:54:38 +0100977 usage(argv[0]);
Jens Axboeb4692822006-10-27 13:43:22 +0200978 return 1;
979 }
980
Jens Axboeebac4652005-12-08 15:25:21 +0100981 return 0;
982}