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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>
11#include <sys/ipc.h>
12#include <sys/shm.h>
13#include <sys/types.h>
14#include <sys/stat.h>
15
16#include "fio.h"
Jens Axboecb2c86f2006-10-26 13:48:34 +020017#include "parse.h"
Jens Axboe2e5cdb12008-03-01 18:52:49 +010018#include "smalloc.h"
Jens Axboe380065a2008-03-01 18:56:24 +010019#include "filehash.h"
Jens Axboe4f5af7b2009-06-03 08:45:40 +020020#include "verify.h"
Jens Axboe79d16312010-03-04 12:43:20 +010021#include "profile.h"
Jens Axboeebac4652005-12-08 15:25:21 +010022
Cigy Cyriacbf2e8212010-08-10 19:51:11 -040023#include "lib/getopt.h"
24
Jens Axboe173dbaa2011-07-14 20:20:25 +020025static char fio_version_string[] = "fio 1.57";
Jens Axboe214e1ec2007-03-15 10:48:13 +010026
Jens Axboeee738492007-01-10 11:23:16 +010027#define FIO_RANDSEED (0xb1899bedUL)
Jens Axboeebac4652005-12-08 15:25:21 +010028
Jens Axboe214e1ec2007-03-15 10:48:13 +010029static char **ini_file;
Jens Axboefca70352011-07-06 20:12:54 +020030static int max_jobs = FIO_MAX_JOBS;
Jens Axboecca73aa2007-04-04 11:09:19 +020031static int dump_cmdline;
Jens Axboee1f36502006-10-27 10:54:08 +020032
Jens Axboebe4ecfd2008-12-08 14:10:52 +010033static struct thread_data def_thread;
Jens Axboe214e1ec2007-03-15 10:48:13 +010034struct thread_data *threads = NULL;
Jens Axboee1f36502006-10-27 10:54:08 +020035
Jens Axboe214e1ec2007-03-15 10:48:13 +010036int exitall_on_terminate = 0;
37int terse_output = 0;
Aaron Carrolle592a062007-09-14 09:49:41 +020038int eta_print;
Jens Axboe214e1ec2007-03-15 10:48:13 +010039unsigned long long mlock_size = 0;
40FILE *f_out = NULL;
41FILE *f_err = NULL;
Jens Axboead0a2732011-03-11 10:16:17 +010042char **job_sections = NULL;
43int nr_job_sections = 0;
Jens Axboe07b32322010-03-05 09:48:44 +010044char *exec_profile = NULL;
Jens Axboea9523c62011-01-17 16:49:54 -070045int warnings_fatal = 0;
Jens Axboeee738492007-01-10 11:23:16 +010046
Jens Axboe214e1ec2007-03-15 10:48:13 +010047int write_bw_log = 0;
Jens Axboe4241ea82007-09-12 08:18:36 +020048int read_only = 0;
Jens Axboee1f36502006-10-27 10:54:08 +020049
Jens Axboe5ec10ea2008-03-06 15:42:00 +010050static int def_timeout;
51static int write_lat_log;
Jens Axboe214e1ec2007-03-15 10:48:13 +010052
53static int prev_group_jobs;
Jens Axboeb4692822006-10-27 13:43:22 +020054
Jens Axboeee56ad52008-02-01 10:30:20 +010055unsigned long fio_debug = 0;
Jens Axboe5e1d3062008-05-23 11:55:53 +020056unsigned int fio_debug_jobno = -1;
57unsigned int *fio_debug_jobp = NULL;
Jens Axboeee56ad52008-02-01 10:30:20 +010058
Jens Axboe4c6107f2011-01-18 05:22:22 -070059static char cmd_optstr[256];
60
Jens Axboeb4692822006-10-27 13:43:22 +020061/*
62 * Command line options. These will contain the above, plus a few
63 * extra that only pertain to fio itself and not jobs.
64 */
Jens Axboe5ec10ea2008-03-06 15:42:00 +010065static struct option l_opts[FIO_NR_OPTIONS] = {
Jens Axboeb4692822006-10-27 13:43:22 +020066 {
Jens Axboe08d2a192011-05-11 13:28:30 +020067 .name = (char *) "output",
Jens Axboeb4692822006-10-27 13:43:22 +020068 .has_arg = required_argument,
69 .val = 'o',
70 },
71 {
Jens Axboe08d2a192011-05-11 13:28:30 +020072 .name = (char *) "timeout",
Jens Axboeb4692822006-10-27 13:43:22 +020073 .has_arg = required_argument,
74 .val = 't',
75 },
76 {
Jens Axboe08d2a192011-05-11 13:28:30 +020077 .name = (char *) "latency-log",
Jens Axboeb4692822006-10-27 13:43:22 +020078 .has_arg = required_argument,
79 .val = 'l',
80 },
81 {
Jens Axboe08d2a192011-05-11 13:28:30 +020082 .name = (char *) "bandwidth-log",
Jens Axboeb4692822006-10-27 13:43:22 +020083 .has_arg = required_argument,
84 .val = 'b',
85 },
86 {
Jens Axboe08d2a192011-05-11 13:28:30 +020087 .name = (char *) "minimal",
Jens Axboeb4692822006-10-27 13:43:22 +020088 .has_arg = optional_argument,
89 .val = 'm',
90 },
91 {
Jens Axboe08d2a192011-05-11 13:28:30 +020092 .name = (char *) "version",
Jens Axboeb4692822006-10-27 13:43:22 +020093 .has_arg = no_argument,
94 .val = 'v',
95 },
96 {
Jens Axboe08d2a192011-05-11 13:28:30 +020097 .name = (char *) "help",
Jens Axboefd28ca42007-01-09 21:20:13 +010098 .has_arg = no_argument,
99 .val = 'h',
100 },
101 {
Jens Axboe08d2a192011-05-11 13:28:30 +0200102 .name = (char *) "cmdhelp",
Jens Axboe320beef2007-03-01 10:44:12 +0100103 .has_arg = optional_argument,
Jens Axboefd28ca42007-01-09 21:20:13 +0100104 .val = 'c',
105 },
106 {
Jens Axboe08d2a192011-05-11 13:28:30 +0200107 .name = (char *) "showcmd",
Jens Axboecca73aa2007-04-04 11:09:19 +0200108 .has_arg = no_argument,
Jens Axboe724e4432007-09-11 20:02:05 +0200109 .val = 's',
110 },
111 {
Jens Axboe08d2a192011-05-11 13:28:30 +0200112 .name = (char *) "readonly",
Jens Axboe724e4432007-09-11 20:02:05 +0200113 .has_arg = no_argument,
114 .val = 'r',
Jens Axboecca73aa2007-04-04 11:09:19 +0200115 },
116 {
Jens Axboe08d2a192011-05-11 13:28:30 +0200117 .name = (char *) "eta",
Aaron Carrolle592a062007-09-14 09:49:41 +0200118 .has_arg = required_argument,
119 .val = 'e',
120 },
121 {
Jens Axboe08d2a192011-05-11 13:28:30 +0200122 .name = (char *) "debug",
Jens Axboeee56ad52008-02-01 10:30:20 +0100123 .has_arg = required_argument,
124 .val = 'd',
125 },
126 {
Jens Axboe08d2a192011-05-11 13:28:30 +0200127 .name = (char *) "section",
Jens Axboe01f06b62008-02-18 20:53:47 +0100128 .has_arg = required_argument,
129 .val = 'x',
130 },
131 {
Jens Axboe08d2a192011-05-11 13:28:30 +0200132 .name = (char *) "alloc-size",
Jens Axboe2b386d22008-03-26 10:32:57 +0100133 .has_arg = required_argument,
134 .val = 'a',
135 },
136 {
Jens Axboe08d2a192011-05-11 13:28:30 +0200137 .name = (char *) "profile",
Jens Axboe9ac8a792009-11-13 21:23:07 +0100138 .has_arg = required_argument,
139 .val = 'p',
140 },
141 {
Jens Axboe08d2a192011-05-11 13:28:30 +0200142 .name = (char *) "warnings-fatal",
Jens Axboea9523c62011-01-17 16:49:54 -0700143 .has_arg = no_argument,
144 .val = 'w',
145 },
146 {
Jens Axboefca70352011-07-06 20:12:54 +0200147 .name = (char *) "max-jobs",
148 .has_arg = required_argument,
149 .val = 'j',
150 },
151 {
Jens Axboeb4692822006-10-27 13:43:22 +0200152 .name = NULL,
153 },
154};
155
Joel Becker9728ce32007-03-01 08:24:39 +0100156FILE *get_f_out()
157{
158 return f_out;
159}
160
161FILE *get_f_err()
162{
163 return f_err;
164}
165
Jens Axboe906c8d72006-06-13 09:37:56 +0200166/*
167 * Return a free job structure.
168 */
Jens Axboeebac4652005-12-08 15:25:21 +0100169static struct thread_data *get_new_job(int global, struct thread_data *parent)
170{
171 struct thread_data *td;
172
173 if (global)
174 return &def_thread;
Bruce Crane61f1ec2011-01-14 18:30:26 +0100175 if (thread_number >= max_jobs) {
176 log_err("error: maximum number of jobs (%d) reached.\n",
177 max_jobs);
Jens Axboeebac4652005-12-08 15:25:21 +0100178 return NULL;
Bruce Crane61f1ec2011-01-14 18:30:26 +0100179 }
Jens Axboeebac4652005-12-08 15:25:21 +0100180
181 td = &threads[thread_number++];
Jens Axboeddaeaa52006-06-08 11:00:58 +0200182 *td = *parent;
Jens Axboeebac4652005-12-08 15:25:21 +0100183
Jens Axboee0b0d892009-12-08 10:10:14 +0100184 td->o.uid = td->o.gid = -1U;
185
Jens Axboecade3ef2007-03-23 15:29:45 +0100186 dup_files(td, parent);
Jens Axboed23bb322007-03-23 15:57:56 +0100187 options_mem_dupe(td);
Jens Axboecade3ef2007-03-23 15:29:45 +0100188
Jens Axboe15dc1932010-03-05 10:59:06 +0100189 profile_add_hooks(td);
190
Jens Axboeebac4652005-12-08 15:25:21 +0100191 td->thread_number = thread_number;
Jens Axboeebac4652005-12-08 15:25:21 +0100192 return td;
193}
194
195static void put_job(struct thread_data *td)
196{
Jens Axboe549577a2006-10-30 12:23:41 +0100197 if (td == &def_thread)
198 return;
Bruce Cran84dd1882011-05-05 08:14:09 -0600199
Jens Axboe58c55ba2010-03-09 12:20:08 +0100200 profile_td_exit(td);
Jens Axboe549577a2006-10-30 12:23:41 +0100201
Jens Axboe16edf252007-02-10 14:59:22 +0100202 if (td->error)
Jens Axboe6d861442007-03-15 09:22:23 +0100203 log_info("fio: %s\n", td->verror);
Jens Axboe16edf252007-02-10 14:59:22 +0100204
Jens Axboeebac4652005-12-08 15:25:21 +0100205 memset(&threads[td->thread_number - 1], 0, sizeof(*td));
206 thread_number--;
207}
208
Jens Axboe581e7142009-06-09 12:47:16 +0200209static int __setup_rate(struct thread_data *td, enum fio_ddir ddir)
Jens Axboe127f6862007-03-15 12:09:57 +0100210{
Jens Axboe581e7142009-06-09 12:47:16 +0200211 unsigned int bs = td->o.min_bs[ddir];
Radha Ramachandranba3e4e02009-12-09 22:31:44 +0100212 unsigned long long bytes_per_sec;
Jens Axboe127f6862007-03-15 12:09:57 +0100213
Jens Axboeff58fce2010-08-25 12:02:08 +0200214 assert(ddir_rw(ddir));
215
Radha Ramachandranba3e4e02009-12-09 22:31:44 +0100216 if (td->o.rate[ddir])
217 bytes_per_sec = td->o.rate[ddir];
218 else
219 bytes_per_sec = td->o.rate_iops[ddir] * bs;
Jens Axboe127f6862007-03-15 12:09:57 +0100220
Radha Ramachandranba3e4e02009-12-09 22:31:44 +0100221 if (!bytes_per_sec) {
Jens Axboe127f6862007-03-15 12:09:57 +0100222 log_err("rate lower than supported\n");
223 return -1;
224 }
225
Radha Ramachandranba3e4e02009-12-09 22:31:44 +0100226 td->rate_nsec_cycle[ddir] = 1000000000ULL / bytes_per_sec;
Jens Axboe581e7142009-06-09 12:47:16 +0200227 td->rate_pending_usleep[ddir] = 0;
Jens Axboe127f6862007-03-15 12:09:57 +0100228 return 0;
229}
230
Jens Axboe581e7142009-06-09 12:47:16 +0200231static int setup_rate(struct thread_data *td)
232{
233 int ret = 0;
234
235 if (td->o.rate[DDIR_READ] || td->o.rate_iops[DDIR_READ])
236 ret = __setup_rate(td, DDIR_READ);
237 if (td->o.rate[DDIR_WRITE] || td->o.rate_iops[DDIR_WRITE])
238 ret |= __setup_rate(td, DDIR_WRITE);
239
240 return ret;
241}
242
Jens Axboe83472392009-02-19 21:32:12 +0100243static int fixed_block_size(struct thread_options *o)
244{
245 return o->min_bs[DDIR_READ] == o->max_bs[DDIR_READ] &&
246 o->min_bs[DDIR_WRITE] == o->max_bs[DDIR_WRITE] &&
247 o->min_bs[DDIR_READ] == o->min_bs[DDIR_WRITE];
248}
249
Jens Axboedad915e2006-10-27 11:10:18 +0200250/*
251 * Lazy way of fixing up options that depend on each other. We could also
252 * define option callback handlers, but this is easier.
253 */
Jens Axboe4e991c22007-03-15 11:41:11 +0100254static int fixup_options(struct thread_data *td)
Jens Axboee1f36502006-10-27 10:54:08 +0200255{
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100256 struct thread_options *o = &td->o;
Jens Axboeff217452011-01-18 22:33:02 -0700257 int ret = 0;
Jens Axboedad915e2006-10-27 11:10:18 +0200258
Jens Axboef356d012009-01-05 09:56:29 +0100259#ifndef FIO_HAVE_PSHARED_MUTEX
Jens Axboe9bbf57c2010-03-18 20:45:43 +0100260 if (!o->use_thread) {
Jens Axboef356d012009-01-05 09:56:29 +0100261 log_info("fio: this platform does not support process shared"
262 " mutexes, forcing use of threads. Use the 'thread'"
263 " option to get rid of this warning.\n");
Jens Axboe9bbf57c2010-03-18 20:45:43 +0100264 o->use_thread = 1;
Jens Axboea9523c62011-01-17 16:49:54 -0700265 ret = warnings_fatal;
Jens Axboef356d012009-01-05 09:56:29 +0100266 }
267#endif
268
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100269 if (o->write_iolog_file && o->read_iolog_file) {
Jens Axboe076efc72006-10-27 11:24:25 +0200270 log_err("fio: read iolog overrides write_iolog\n");
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100271 free(o->write_iolog_file);
272 o->write_iolog_file = NULL;
Jens Axboea9523c62011-01-17 16:49:54 -0700273 ret = warnings_fatal;
Jens Axboe076efc72006-10-27 11:24:25 +0200274 }
Jens Axboe16b462a2006-10-30 12:35:18 +0100275
Jens Axboe16b462a2006-10-30 12:35:18 +0100276 /*
277 * only really works for sequential io for now, and with 1 file
278 */
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100279 if (o->zone_size && td_random(td) && o->open_files == 1)
280 o->zone_size = 0;
Jens Axboe16b462a2006-10-30 12:35:18 +0100281
282 /*
283 * Reads can do overwrites, we always need to pre-create the file
284 */
285 if (td_read(td) || td_rw(td))
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100286 o->overwrite = 1;
Jens Axboe16b462a2006-10-30 12:35:18 +0100287
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100288 if (!o->min_bs[DDIR_READ])
Jens Axboe5ec10ea2008-03-06 15:42:00 +0100289 o->min_bs[DDIR_READ] = o->bs[DDIR_READ];
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100290 if (!o->max_bs[DDIR_READ])
291 o->max_bs[DDIR_READ] = o->bs[DDIR_READ];
292 if (!o->min_bs[DDIR_WRITE])
Jens Axboe5ec10ea2008-03-06 15:42:00 +0100293 o->min_bs[DDIR_WRITE] = o->bs[DDIR_WRITE];
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100294 if (!o->max_bs[DDIR_WRITE])
295 o->max_bs[DDIR_WRITE] = o->bs[DDIR_WRITE];
Jens Axboea00735e2006-11-03 08:58:08 +0100296
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100297 o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]);
Jens Axboea00735e2006-11-03 08:58:08 +0100298
Jens Axboe2b7a01d2009-03-11 11:00:13 +0100299 /*
300 * For random IO, allow blockalign offset other than min_bs.
301 */
302 if (!o->ba[DDIR_READ] || !td_random(td))
303 o->ba[DDIR_READ] = o->min_bs[DDIR_READ];
304 if (!o->ba[DDIR_WRITE] || !td_random(td))
305 o->ba[DDIR_WRITE] = o->min_bs[DDIR_WRITE];
306
307 if ((o->ba[DDIR_READ] != o->min_bs[DDIR_READ] ||
308 o->ba[DDIR_WRITE] != o->min_bs[DDIR_WRITE]) &&
Jens Axboe9bbf57c2010-03-18 20:45:43 +0100309 !o->norandommap) {
Jens Axboe2b7a01d2009-03-11 11:00:13 +0100310 log_err("fio: Any use of blockalign= turns off randommap\n");
Jens Axboe9bbf57c2010-03-18 20:45:43 +0100311 o->norandommap = 1;
Jens Axboea9523c62011-01-17 16:49:54 -0700312 ret = warnings_fatal;
Jens Axboe2b7a01d2009-03-11 11:00:13 +0100313 }
314
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100315 if (!o->file_size_high)
316 o->file_size_high = o->file_size_low;
Jens Axboe9c60ce62007-03-15 09:14:47 +0100317
Jens Axboe83472392009-02-19 21:32:12 +0100318 if (o->norandommap && o->verify != VERIFY_NONE
319 && !fixed_block_size(o)) {
320 log_err("fio: norandommap given for variable block sizes, "
321 "verify disabled\n");
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100322 o->verify = VERIFY_NONE;
Jens Axboea9523c62011-01-17 16:49:54 -0700323 ret = warnings_fatal;
Jens Axboebb8895e2006-10-30 15:14:48 +0100324 }
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100325 if (o->bs_unaligned && (o->odirect || td->io_ops->flags & FIO_RAWIO))
Jens Axboe690adba2006-10-30 15:25:09 +0100326 log_err("fio: bs_unaligned may not work with raw io\n");
Jens Axboee0a22332006-12-20 12:54:25 +0100327
328 /*
Jens Axboe48097d52007-02-17 06:30:44 +0100329 * thinktime_spin must be less than thinktime
330 */
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100331 if (o->thinktime_spin > o->thinktime)
332 o->thinktime_spin = o->thinktime;
Jens Axboee916b392007-02-20 14:37:26 +0100333
334 /*
335 * The low water mark cannot be bigger than the iodepth
336 */
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100337 if (o->iodepth_low > o->iodepth || !o->iodepth_low) {
Jens Axboe9467b772007-02-27 19:56:43 +0100338 /*
339 * syslet work around - if the workload is sequential,
340 * we want to let the queue drain all the way down to
341 * avoid seeking between async threads
342 */
343 if (!strcmp(td->io_ops->name, "syslet-rw") && !td_random(td))
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100344 o->iodepth_low = 1;
Jens Axboe9467b772007-02-27 19:56:43 +0100345 else
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100346 o->iodepth_low = o->iodepth;
Jens Axboe9467b772007-02-27 19:56:43 +0100347 }
Jens Axboecb5ab512007-02-26 12:57:09 +0100348
349 /*
350 * If batch number isn't set, default to the same as iodepth
351 */
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100352 if (o->iodepth_batch > o->iodepth || !o->iodepth_batch)
353 o->iodepth_batch = o->iodepth;
Jens Axboeb5af8292007-03-08 12:43:13 +0100354
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100355 if (o->nr_files > td->files_index)
356 o->nr_files = td->files_index;
Jens Axboe9f9214f2007-03-13 14:02:16 +0100357
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100358 if (o->open_files > o->nr_files || !o->open_files)
359 o->open_files = o->nr_files;
Jens Axboe4e991c22007-03-15 11:41:11 +0100360
Jens Axboe581e7142009-06-09 12:47:16 +0200361 if (((o->rate[0] + o->rate[1]) && (o->rate_iops[0] + o->rate_iops[1]))||
362 ((o->ratemin[0] + o->ratemin[1]) && (o->rate_iops_min[0] +
363 o->rate_iops_min[1]))) {
Jens Axboe4e991c22007-03-15 11:41:11 +0100364 log_err("fio: rate and rate_iops are mutually exclusive\n");
Jens Axboea9523c62011-01-17 16:49:54 -0700365 ret = 1;
Jens Axboe4e991c22007-03-15 11:41:11 +0100366 }
Jens Axboe581e7142009-06-09 12:47:16 +0200367 if ((o->rate[0] < o->ratemin[0]) || (o->rate[1] < o->ratemin[1]) ||
368 (o->rate_iops[0] < o->rate_iops_min[0]) ||
369 (o->rate_iops[1] < o->rate_iops_min[1])) {
Jens Axboe4e991c22007-03-15 11:41:11 +0100370 log_err("fio: minimum rate exceeds rate\n");
Jens Axboea9523c62011-01-17 16:49:54 -0700371 ret = 1;
Jens Axboe4e991c22007-03-15 11:41:11 +0100372 }
373
Jens Axboecf4464c2007-04-17 20:14:42 +0200374 if (!o->timeout && o->time_based) {
375 log_err("fio: time_based requires a runtime/timeout setting\n");
376 o->time_based = 0;
Jens Axboea9523c62011-01-17 16:49:54 -0700377 ret = warnings_fatal;
Jens Axboecf4464c2007-04-17 20:14:42 +0200378 }
379
Shawn Lewisaa31f1f2008-01-11 09:45:11 +0100380 if (o->fill_device && !o->size)
Jens Axboe5921e802008-05-30 15:02:38 +0200381 o->size = -1ULL;
Jens Axboe5ec10ea2008-03-06 15:42:00 +0100382
Jens Axboe9bbf57c2010-03-18 20:45:43 +0100383 if (o->verify != VERIFY_NONE) {
Jens Axboe996936f2011-01-18 05:41:39 -0700384 if (td_write(td) && o->do_verify && o->numjobs > 1) {
Jens Axboea9523c62011-01-17 16:49:54 -0700385 log_info("Multiple writers may overwrite blocks that "
386 "belong to other jobs. This can cause "
387 "verification failures.\n");
388 ret = warnings_fatal;
389 }
390
Jens Axboe9bbf57c2010-03-18 20:45:43 +0100391 o->refill_buffers = 1;
Jens Axboe2f1b8e82010-06-18 09:22:56 +0200392 if (o->max_bs[DDIR_WRITE] != o->min_bs[DDIR_WRITE] &&
393 !o->verify_interval)
394 o->verify_interval = o->min_bs[DDIR_WRITE];
Jens Axboed9905882010-03-18 20:43:00 +0100395 }
Jens Axboe41ccd842008-05-22 09:17:33 +0200396
Jens Axboe9bbf57c2010-03-18 20:45:43 +0100397 if (o->pre_read) {
398 o->invalidate_cache = 0;
Jens Axboea9523c62011-01-17 16:49:54 -0700399 if (td->io_ops->flags & FIO_PIPEIO) {
Jens Axboe9c0d2242009-07-01 12:26:28 +0200400 log_info("fio: cannot pre-read files with an IO engine"
401 " that isn't seekable. Pre-read disabled.\n");
Jens Axboea9523c62011-01-17 16:49:54 -0700402 ret = warnings_fatal;
403 }
Jens Axboe9c0d2242009-07-01 12:26:28 +0200404 }
Jens Axboe34f1c042009-06-02 14:19:25 +0200405
Joshua Aunee72fa4d2010-02-11 00:59:18 -0700406#ifndef FIO_HAVE_FDATASYNC
Jens Axboe9bbf57c2010-03-18 20:45:43 +0100407 if (o->fdatasync_blocks) {
Joshua Aunee72fa4d2010-02-11 00:59:18 -0700408 log_info("fio: this platform does not support fdatasync()"
409 " falling back to using fsync(). Use the 'fsync'"
410 " option instead of 'fdatasync' to get rid of"
411 " this warning\n");
Jens Axboe9bbf57c2010-03-18 20:45:43 +0100412 o->fsync_blocks = o->fdatasync_blocks;
413 o->fdatasync_blocks = 0;
Jens Axboea9523c62011-01-17 16:49:54 -0700414 ret = warnings_fatal;
Joshua Aunee72fa4d2010-02-11 00:59:18 -0700415 }
416#endif
417
Jens Axboea9523c62011-01-17 16:49:54 -0700418 return ret;
Jens Axboee1f36502006-10-27 10:54:08 +0200419}
420
Jens Axboe906c8d72006-06-13 09:37:56 +0200421/*
Jens Axboef8977ee2006-11-06 14:03:03 +0100422 * This function leaks the buffer
423 */
424static char *to_kmg(unsigned int val)
425{
426 char *buf = malloc(32);
Jens Axboef3502ba2007-02-14 01:27:09 +0100427 char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 };
Jens Axboef8977ee2006-11-06 14:03:03 +0100428 char *p = post;
429
Jens Axboe245142f2006-11-08 12:49:21 +0100430 do {
Jens Axboef8977ee2006-11-06 14:03:03 +0100431 if (val & 1023)
432 break;
433
434 val >>= 10;
435 p++;
Jens Axboe245142f2006-11-08 12:49:21 +0100436 } while (*p);
Jens Axboef8977ee2006-11-06 14:03:03 +0100437
438 snprintf(buf, 31, "%u%c", val, *p);
439 return buf;
440}
441
Jens Axboe09629a92007-03-09 09:00:06 +0100442/* External engines are specified by "external:name.o") */
443static const char *get_engine_name(const char *str)
444{
445 char *p = strstr(str, ":");
446
447 if (!p)
448 return str;
449
450 p++;
451 strip_blank_front(&p);
452 strip_blank_end(p);
453 return p;
454}
455
Jens Axboee132cba2007-03-14 14:23:54 +0100456static int exists_and_not_file(const char *filename)
457{
458 struct stat sb;
459
460 if (lstat(filename, &sb) == -1)
461 return 0;
462
Bruce Cranecc314b2011-01-04 10:59:30 +0100463 /* \\.\ is the device namespace in Windows, where every file
464 * is a device node */
465 if (S_ISREG(sb.st_mode) && strncmp(filename, "\\\\.\\", 4) != 0)
Jens Axboee132cba2007-03-14 14:23:54 +0100466 return 0;
467
468 return 1;
469}
470
Jens Axboe4c07ad82011-03-28 09:51:09 +0200471static void td_fill_rand_seeds_os(struct thread_data *td)
Jens Axboe5bfc35d2009-04-07 13:28:12 +0200472{
473 os_random_seed(td->rand_seeds[0], &td->bsrange_state);
474 os_random_seed(td->rand_seeds[1], &td->verify_state);
475 os_random_seed(td->rand_seeds[2], &td->rwmix_state);
476
477 if (td->o.file_service_type == FIO_FSERVICE_RANDOM)
478 os_random_seed(td->rand_seeds[3], &td->next_file_state);
479
480 os_random_seed(td->rand_seeds[5], &td->file_size_state);
Jens Axboe0d29de82010-09-01 13:54:15 +0200481 os_random_seed(td->rand_seeds[6], &td->trim_state);
Jens Axboe5bfc35d2009-04-07 13:28:12 +0200482
483 if (!td_random(td))
484 return;
485
486 if (td->o.rand_repeatable)
487 td->rand_seeds[4] = FIO_RANDSEED * td->thread_number;
488
489 os_random_seed(td->rand_seeds[4], &td->random_state);
Jens Axboe4c07ad82011-03-28 09:51:09 +0200490}
491
492static void td_fill_rand_seeds_internal(struct thread_data *td)
493{
494 init_rand_seed(&td->__bsrange_state, td->rand_seeds[0]);
495 init_rand_seed(&td->__verify_state, td->rand_seeds[1]);
496 init_rand_seed(&td->__rwmix_state, td->rand_seeds[2]);
497
498 if (td->o.file_service_type == FIO_FSERVICE_RANDOM)
499 init_rand_seed(&td->__next_file_state, td->rand_seeds[3]);
500
501 init_rand_seed(&td->__file_size_state, td->rand_seeds[5]);
502 init_rand_seed(&td->__trim_state, td->rand_seeds[6]);
503
504 if (!td_random(td))
505 return;
506
507 if (td->o.rand_repeatable)
508 td->rand_seeds[4] = FIO_RANDSEED * td->thread_number;
509
Jens Axboe2615cc42011-03-28 09:35:09 +0200510 init_rand_seed(&td->__random_state, td->rand_seeds[4]);
Jens Axboe5bfc35d2009-04-07 13:28:12 +0200511}
512
Jens Axboe4c07ad82011-03-28 09:51:09 +0200513void td_fill_rand_seeds(struct thread_data *td)
514{
515 if (td->o.use_os_rand)
516 td_fill_rand_seeds_os(td);
517 else
518 td_fill_rand_seeds_internal(td);
519}
520
Jens Axboef8977ee2006-11-06 14:03:03 +0100521/*
Jens Axboe9c60ce62007-03-15 09:14:47 +0100522 * Initialize the various random states we need (random io, block size ranges,
523 * read/write mix, etc).
524 */
525static int init_random_state(struct thread_data *td)
526{
Jens Axboe68727072007-03-15 20:49:25 +0100527 int fd;
Jens Axboe9c60ce62007-03-15 09:14:47 +0100528
529 fd = open("/dev/urandom", O_RDONLY);
530 if (fd == -1) {
531 td_verror(td, errno, "open");
532 return 1;
533 }
534
Jens Axboe5bfc35d2009-04-07 13:28:12 +0200535 if (read(fd, td->rand_seeds, sizeof(td->rand_seeds)) <
536 (int) sizeof(td->rand_seeds)) {
Jens Axboe9c60ce62007-03-15 09:14:47 +0100537 td_verror(td, EIO, "read");
538 close(fd);
539 return 1;
540 }
541
542 close(fd);
Jens Axboe5bfc35d2009-04-07 13:28:12 +0200543 td_fill_rand_seeds(td);
Jens Axboe9c60ce62007-03-15 09:14:47 +0100544 return 0;
545}
546
Jens Axboe9c60ce62007-03-15 09:14:47 +0100547/*
Jens Axboe906c8d72006-06-13 09:37:56 +0200548 * Adds a job to the list of things todo. Sanitizes the various options
549 * to make sure we don't have conflicts, and initializes various
550 * members of td.
551 */
Jens Axboe75154842006-06-01 13:56:09 +0200552static int add_job(struct thread_data *td, const char *jobname, int job_add_num)
Jens Axboeebac4652005-12-08 15:25:21 +0100553{
Jens Axboe413dd452007-02-23 09:26:09 +0100554 const char *ddir_str[] = { NULL, "read", "write", "rw", NULL,
555 "randread", "randwrite", "randrw" };
Jens Axboeaf52b342007-03-13 10:07:47 +0100556 unsigned int i;
Jens Axboe09629a92007-03-09 09:00:06 +0100557 const char *engine;
Jens Axboeaf52b342007-03-13 10:07:47 +0100558 char fname[PATH_MAX];
Jens Axboee132cba2007-03-14 14:23:54 +0100559 int numjobs, file_alloced;
Jens Axboeebac4652005-12-08 15:25:21 +0100560
Jens Axboeebac4652005-12-08 15:25:21 +0100561 /*
562 * the def_thread is just for options, it's not a real job
563 */
564 if (td == &def_thread)
565 return 0;
566
Jens Axboecca73aa2007-04-04 11:09:19 +0200567 /*
568 * if we are just dumping the output command line, don't add the job
569 */
570 if (dump_cmdline) {
571 put_job(td);
572 return 0;
573 }
574
Jens Axboe58c55ba2010-03-09 12:20:08 +0100575 if (profile_td_init(td))
Jens Axboe66251552011-05-12 10:14:57 +0200576 goto err;
Jens Axboe58c55ba2010-03-09 12:20:08 +0100577
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100578 engine = get_engine_name(td->o.ioengine);
Jens Axboe09629a92007-03-09 09:00:06 +0100579 td->io_ops = load_ioengine(td, engine);
580 if (!td->io_ops) {
581 log_err("fio: failed to load engine %s\n", engine);
Jens Axboe205927a2007-03-15 11:06:32 +0100582 goto err;
Jens Axboe09629a92007-03-09 09:00:06 +0100583 }
Jens Axboedf641192006-10-12 07:55:41 +0200584
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100585 if (td->o.use_thread)
Jens Axboe9cedf162007-03-12 11:29:30 +0100586 nr_thread++;
587 else
588 nr_process++;
589
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100590 if (td->o.odirect)
Jens Axboe690adba2006-10-30 15:25:09 +0100591 td->io_ops->flags |= FIO_RAWIO;
592
Jens Axboee132cba2007-03-14 14:23:54 +0100593 file_alloced = 0;
Jens Axboe691c8fb2008-03-07 14:26:26 +0100594 if (!td->o.filename && !td->files_index && !td->o.read_iolog_file) {
Jens Axboee132cba2007-03-14 14:23:54 +0100595 file_alloced = 1;
Jens Axboe80be24f2007-03-12 11:01:25 +0100596
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100597 if (td->o.nr_files == 1 && exists_and_not_file(jobname))
Jens Axboee132cba2007-03-14 14:23:54 +0100598 add_file(td, jobname);
Jens Axboe7b05a212007-03-13 11:17:07 +0100599 else {
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100600 for (i = 0; i < td->o.nr_files; i++) {
Jens Axboe5ec10ea2008-03-06 15:42:00 +0100601 sprintf(fname, "%s.%d.%d", jobname,
602 td->thread_number, i);
Jens Axboe7b05a212007-03-13 11:17:07 +0100603 add_file(td, fname);
604 }
Jens Axboeaf52b342007-03-13 10:07:47 +0100605 }
Jens Axboe0af7b542006-02-17 10:10:12 +0100606 }
Jens Axboeebac4652005-12-08 15:25:21 +0100607
Jens Axboe4e991c22007-03-15 11:41:11 +0100608 if (fixup_options(td))
609 goto err;
Jens Axboee0a22332006-12-20 12:54:25 +0100610
Jens Axboe07eb79d2007-04-12 13:02:38 +0200611 if (td->io_ops->flags & FIO_DISKLESSIO) {
612 struct fio_file *f;
613
614 for_each_file(td, f, i)
615 f->real_file_size = -1ULL;
616 }
617
Jens Axboecdd18ad2008-02-27 18:58:00 +0100618 td->mutex = fio_mutex_init(0);
Jens Axboeebac4652005-12-08 15:25:21 +0100619
Jens Axboe756867b2007-03-06 15:19:24 +0100620 td->ts.clat_stat[0].min_val = td->ts.clat_stat[1].min_val = ULONG_MAX;
621 td->ts.slat_stat[0].min_val = td->ts.slat_stat[1].min_val = ULONG_MAX;
Jens Axboe02af0982010-06-24 09:59:34 +0200622 td->ts.lat_stat[0].min_val = td->ts.lat_stat[1].min_val = ULONG_MAX;
Jens Axboe756867b2007-03-06 15:19:24 +0100623 td->ts.bw_stat[0].min_val = td->ts.bw_stat[1].min_val = ULONG_MAX;
Adam DeBellinscdd54112010-09-28 13:22:55 +0900624 td->ddir_seq_nr = td->o.ddir_seq_nr;
Jens Axboeebac4652005-12-08 15:25:21 +0100625
Jens Axboe755c3182009-08-25 22:14:29 +0200626 if ((td->o.stonewall || td->o.new_group) && prev_group_jobs) {
Jens Axboe3c5df6f2007-03-12 15:09:24 +0100627 prev_group_jobs = 0;
Jens Axboeebac4652005-12-08 15:25:21 +0100628 groupid++;
Jens Axboe3c5df6f2007-03-12 15:09:24 +0100629 }
Jens Axboeebac4652005-12-08 15:25:21 +0100630
631 td->groupid = groupid;
Jens Axboe3c5df6f2007-03-12 15:09:24 +0100632 prev_group_jobs++;
Jens Axboeebac4652005-12-08 15:25:21 +0100633
Jens Axboe9c60ce62007-03-15 09:14:47 +0100634 if (init_random_state(td))
635 goto err;
636
Jens Axboeebac4652005-12-08 15:25:21 +0100637 if (setup_rate(td))
638 goto err;
639
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100640 if (td->o.write_lat_log) {
Jens Axboe02af0982010-06-24 09:59:34 +0200641 setup_log(&td->ts.lat_log);
Jens Axboe756867b2007-03-06 15:19:24 +0100642 setup_log(&td->ts.slat_log);
643 setup_log(&td->ts.clat_log);
Jens Axboeebac4652005-12-08 15:25:21 +0100644 }
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100645 if (td->o.write_bw_log)
Jens Axboe756867b2007-03-06 15:19:24 +0100646 setup_log(&td->ts.bw_log);
Jens Axboeebac4652005-12-08 15:25:21 +0100647
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100648 if (!td->o.name)
649 td->o.name = strdup(jobname);
Jens Axboe01452052006-06-07 10:29:47 +0200650
Jens Axboec6ae0a52006-06-12 11:04:44 +0200651 if (!terse_output) {
Jens Axboeb990b5c2006-09-14 09:48:22 +0200652 if (!job_add_num) {
Jens Axboe5ec10ea2008-03-06 15:42:00 +0100653 if (!strcmp(td->io_ops->name, "cpuio")) {
654 log_info("%s: ioengine=cpu, cpuload=%u,"
655 " cpucycle=%u\n", td->o.name,
656 td->o.cpuload,
657 td->o.cpucycle);
658 } else {
Jens Axboef8977ee2006-11-06 14:03:03 +0100659 char *c1, *c2, *c3, *c4;
660
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100661 c1 = to_kmg(td->o.min_bs[DDIR_READ]);
662 c2 = to_kmg(td->o.max_bs[DDIR_READ]);
663 c3 = to_kmg(td->o.min_bs[DDIR_WRITE]);
664 c4 = to_kmg(td->o.max_bs[DDIR_WRITE]);
Jens Axboef8977ee2006-11-06 14:03:03 +0100665
Jens Axboe5ec10ea2008-03-06 15:42:00 +0100666 log_info("%s: (g=%d): rw=%s, bs=%s-%s/%s-%s,"
667 " ioengine=%s, iodepth=%u\n",
668 td->o.name, td->groupid,
669 ddir_str[td->o.td_ddir],
670 c1, c2, c3, c4,
671 td->io_ops->name,
672 td->o.iodepth);
Jens Axboef8977ee2006-11-06 14:03:03 +0100673
674 free(c1);
675 free(c2);
676 free(c3);
677 free(c4);
678 }
Jens Axboeb990b5c2006-09-14 09:48:22 +0200679 } else if (job_add_num == 1)
Jens Axboe6d861442007-03-15 09:22:23 +0100680 log_info("...\n");
Jens Axboec6ae0a52006-06-12 11:04:44 +0200681 }
Jens Axboeebac4652005-12-08 15:25:21 +0100682
683 /*
684 * recurse add identical jobs, clear numjobs and stonewall options
685 * as they don't apply to sub-jobs
686 */
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100687 numjobs = td->o.numjobs;
Jens Axboeebac4652005-12-08 15:25:21 +0100688 while (--numjobs) {
689 struct thread_data *td_new = get_new_job(0, td);
690
691 if (!td_new)
692 goto err;
693
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100694 td_new->o.numjobs = 1;
695 td_new->o.stonewall = 0;
Jens Axboe92c1d412007-03-28 10:04:08 +0200696 td_new->o.new_group = 0;
Jens Axboee132cba2007-03-14 14:23:54 +0100697
698 if (file_alloced) {
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100699 td_new->o.filename = NULL;
Jens Axboee132cba2007-03-14 14:23:54 +0100700 td_new->files_index = 0;
Jens Axboe4e6ea2f2009-03-04 20:17:22 +0100701 td_new->files_size = 0;
Jens Axboee132cba2007-03-14 14:23:54 +0100702 td_new->files = NULL;
703 }
704
Jens Axboe75154842006-06-01 13:56:09 +0200705 job_add_num = numjobs - 1;
Jens Axboeebac4652005-12-08 15:25:21 +0100706
Jens Axboe75154842006-06-01 13:56:09 +0200707 if (add_job(td_new, jobname, job_add_num))
Jens Axboeebac4652005-12-08 15:25:21 +0100708 goto err;
709 }
Jens Axboe3c5df6f2007-03-12 15:09:24 +0100710
Jens Axboeebac4652005-12-08 15:25:21 +0100711 return 0;
712err:
713 put_job(td);
714 return -1;
715}
716
Jens Axboe79d16312010-03-04 12:43:20 +0100717/*
718 * Parse as if 'o' was a command line
719 */
720void add_job_opts(const char **o)
721{
722 struct thread_data *td, *td_parent;
723 int i, in_global = 1;
724 char jobname[32];
725
726 i = 0;
727 td_parent = td = NULL;
728 while (o[i]) {
729 if (!strncmp(o[i], "name", 4)) {
730 in_global = 0;
731 if (td)
732 add_job(td, jobname, 0);
733 td = NULL;
734 sprintf(jobname, "%s", o[i] + 5);
735 }
736 if (in_global && !td_parent)
737 td_parent = get_new_job(1, &def_thread);
738 else if (!in_global && !td) {
739 if (!td_parent)
740 td_parent = &def_thread;
741 td = get_new_job(0, td_parent);
742 }
743 if (in_global)
744 fio_options_parse(td_parent, (char **) &o[i], 1);
745 else
746 fio_options_parse(td, (char **) &o[i], 1);
747 i++;
748 }
749
750 if (td)
751 add_job(td, jobname, 0);
752}
753
Jens Axboe01f06b62008-02-18 20:53:47 +0100754static int skip_this_section(const char *name)
755{
Jens Axboead0a2732011-03-11 10:16:17 +0100756 int i;
757
758 if (!nr_job_sections)
Jens Axboe01f06b62008-02-18 20:53:47 +0100759 return 0;
760 if (!strncmp(name, "global", 6))
761 return 0;
762
Jens Axboead0a2732011-03-11 10:16:17 +0100763 for (i = 0; i < nr_job_sections; i++)
764 if (!strcmp(job_sections[i], name))
765 return 0;
766
767 return 1;
Jens Axboe01f06b62008-02-18 20:53:47 +0100768}
769
Jens Axboeebac4652005-12-08 15:25:21 +0100770static int is_empty_or_comment(char *line)
771{
772 unsigned int i;
773
774 for (i = 0; i < strlen(line); i++) {
775 if (line[i] == ';')
776 return 1;
Ingo Molnar5cc2da32007-02-20 10:19:44 +0100777 if (line[i] == '#')
778 return 1;
Jens Axboe76cd9372011-07-08 21:14:57 +0200779 if (!isspace((int) line[i]) && !iscntrl((int) line[i]))
Jens Axboeebac4652005-12-08 15:25:21 +0100780 return 0;
781 }
782
783 return 1;
784}
785
Jens Axboe313cb202006-12-21 09:50:00 +0100786/*
Jens Axboe07261982006-06-07 10:51:12 +0200787 * This is our [ini] type file parser.
788 */
Jens Axboe1e97cce2006-12-05 11:44:16 +0100789static int parse_jobs_ini(char *file, int stonewall_flag)
Jens Axboeebac4652005-12-08 15:25:21 +0100790{
Jens Axboee1f36502006-10-27 10:54:08 +0200791 unsigned int global;
Jens Axboeebac4652005-12-08 15:25:21 +0100792 struct thread_data *td;
Jens Axboefee3bb42006-10-30 13:32:08 +0100793 char *string, *name;
Jens Axboeebac4652005-12-08 15:25:21 +0100794 FILE *f;
795 char *p;
Jens Axboe0c7e37a2006-06-13 14:53:38 +0200796 int ret = 0, stonewall;
Jens Axboe097b2992007-04-19 09:41:45 +0200797 int first_sect = 1;
Jens Axboeccf8f122007-09-27 10:48:55 +0200798 int skip_fgets = 0;
Jens Axboe01f06b62008-02-18 20:53:47 +0100799 int inside_skip = 0;
Jens Axboe3b8b7132008-06-10 19:46:23 +0200800 char **opts;
801 int i, alloc_opts, num_opts;
Jens Axboeebac4652005-12-08 15:25:21 +0100802
Aaron Carroll5a729cb2007-09-27 09:03:55 +0200803 if (!strcmp(file, "-"))
804 f = stdin;
805 else
806 f = fopen(file, "r");
807
Jens Axboeebac4652005-12-08 15:25:21 +0100808 if (!f) {
Jens Axboeaea47d42006-05-26 19:27:29 +0200809 perror("fopen job file");
Jens Axboeebac4652005-12-08 15:25:21 +0100810 return 1;
811 }
812
813 string = malloc(4096);
Jens Axboe7f7e6e52007-07-19 14:50:05 +0200814
815 /*
816 * it's really 256 + small bit, 280 should suffice
817 */
818 name = malloc(280);
819 memset(name, 0, 280);
Jens Axboeebac4652005-12-08 15:25:21 +0100820
Jens Axboe3b8b7132008-06-10 19:46:23 +0200821 alloc_opts = 8;
822 opts = malloc(sizeof(char *) * alloc_opts);
Jens Axboeb7c63022008-06-11 11:47:56 +0200823 num_opts = 0;
Jens Axboe3b8b7132008-06-10 19:46:23 +0200824
Jens Axboe0c7e37a2006-06-13 14:53:38 +0200825 stonewall = stonewall_flag;
Jens Axboe7c124ac2006-10-30 13:36:52 +0100826 do {
Jens Axboeccf8f122007-09-27 10:48:55 +0200827 /*
828 * if skip_fgets is set, we already have loaded a line we
829 * haven't handled.
830 */
831 if (!skip_fgets) {
832 p = fgets(string, 4095, f);
833 if (!p)
834 break;
835 }
gurudas paicdc7f192007-03-29 10:10:56 +0200836
Jens Axboeccf8f122007-09-27 10:48:55 +0200837 skip_fgets = 0;
gurudas paicdc7f192007-03-29 10:10:56 +0200838 strip_blank_front(&p);
Jens Axboe6c7c7da2007-03-29 14:12:57 -0800839 strip_blank_end(p);
gurudas paicdc7f192007-03-29 10:10:56 +0200840
Jens Axboeebac4652005-12-08 15:25:21 +0100841 if (is_empty_or_comment(p))
842 continue;
Bruce Cran84dd1882011-05-05 08:14:09 -0600843 if (sscanf(p, "[%255[^\n]]", name) != 1) {
Jens Axboe01f06b62008-02-18 20:53:47 +0100844 if (inside_skip)
845 continue;
Jens Axboe5ec10ea2008-03-06 15:42:00 +0100846 log_err("fio: option <%s> outside of [] job section\n",
847 p);
Jens Axboe088b4202007-07-19 14:53:01 +0200848 break;
Jens Axboe6c7c7da2007-03-29 14:12:57 -0800849 }
Jens Axboeebac4652005-12-08 15:25:21 +0100850
Jens Axboe7a4b80a2010-05-22 20:43:11 +0200851 name[strlen(name) - 1] = '\0';
852
Jens Axboe01f06b62008-02-18 20:53:47 +0100853 if (skip_this_section(name)) {
854 inside_skip = 1;
855 continue;
856 } else
857 inside_skip = 0;
858
Jens Axboeebac4652005-12-08 15:25:21 +0100859 global = !strncmp(name, "global", 6);
860
Jens Axboecca73aa2007-04-04 11:09:19 +0200861 if (dump_cmdline) {
Jens Axboe097b2992007-04-19 09:41:45 +0200862 if (first_sect)
863 log_info("fio ");
Jens Axboecca73aa2007-04-04 11:09:19 +0200864 if (!global)
865 log_info("--name=%s ", name);
Jens Axboe097b2992007-04-19 09:41:45 +0200866 first_sect = 0;
Jens Axboecca73aa2007-04-04 11:09:19 +0200867 }
868
Jens Axboeebac4652005-12-08 15:25:21 +0100869 td = get_new_job(global, &def_thread);
Jens Axboe45410ac2006-06-07 11:10:39 +0200870 if (!td) {
871 ret = 1;
872 break;
873 }
Jens Axboeebac4652005-12-08 15:25:21 +0100874
Jens Axboe972cfd22006-06-09 11:08:56 +0200875 /*
876 * Seperate multiple job files by a stonewall
877 */
Jens Axboef9481912006-06-09 11:37:28 +0200878 if (!global && stonewall) {
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100879 td->o.stonewall = stonewall;
Jens Axboe972cfd22006-06-09 11:08:56 +0200880 stonewall = 0;
881 }
882
Jens Axboe3b8b7132008-06-10 19:46:23 +0200883 num_opts = 0;
884 memset(opts, 0, alloc_opts * sizeof(char *));
885
Jens Axboeebac4652005-12-08 15:25:21 +0100886 while ((p = fgets(string, 4096, f)) != NULL) {
887 if (is_empty_or_comment(p))
888 continue;
Jens Axboee1f36502006-10-27 10:54:08 +0200889
Jens Axboeb6754f92006-05-30 14:29:32 +0200890 strip_blank_front(&p);
Jens Axboe7c124ac2006-10-30 13:36:52 +0100891
Jens Axboeccf8f122007-09-27 10:48:55 +0200892 /*
893 * new section, break out and make sure we don't
894 * fgets() a new line at the top.
895 */
896 if (p[0] == '[') {
897 skip_fgets = 1;
Jens Axboe7c124ac2006-10-30 13:36:52 +0100898 break;
Jens Axboeccf8f122007-09-27 10:48:55 +0200899 }
Jens Axboe7c124ac2006-10-30 13:36:52 +0100900
Jens Axboe4ae3f762006-05-30 13:35:14 +0200901 strip_blank_end(p);
Jens Axboeaea47d42006-05-26 19:27:29 +0200902
Jens Axboe3b8b7132008-06-10 19:46:23 +0200903 if (num_opts == alloc_opts) {
904 alloc_opts <<= 1;
905 opts = realloc(opts,
906 alloc_opts * sizeof(char *));
907 }
908
909 opts[num_opts] = strdup(p);
910 num_opts++;
Jens Axboeebac4652005-12-08 15:25:21 +0100911 }
Jens Axboeebac4652005-12-08 15:25:21 +0100912
Jens Axboe3b8b7132008-06-10 19:46:23 +0200913 ret = fio_options_parse(td, opts, num_opts);
914 if (!ret) {
915 if (dump_cmdline)
916 for (i = 0; i < num_opts; i++)
917 log_info("--%s ", opts[i]);
918
Jens Axboe45410ac2006-06-07 11:10:39 +0200919 ret = add_job(td, name, 0);
Jens Axboe3b8b7132008-06-10 19:46:23 +0200920 } else {
Jens Axboeb1508cf2006-11-02 09:12:40 +0100921 log_err("fio: job %s dropped\n", name);
922 put_job(td);
Jens Axboe45410ac2006-06-07 11:10:39 +0200923 }
Jens Axboe3b8b7132008-06-10 19:46:23 +0200924
925 for (i = 0; i < num_opts; i++)
926 free(opts[i]);
927 num_opts = 0;
Jens Axboe7c124ac2006-10-30 13:36:52 +0100928 } while (!ret);
Jens Axboeebac4652005-12-08 15:25:21 +0100929
Jens Axboecca73aa2007-04-04 11:09:19 +0200930 if (dump_cmdline)
931 log_info("\n");
932
Jens Axboe3b8b7132008-06-10 19:46:23 +0200933 for (i = 0; i < num_opts; i++)
934 free(opts[i]);
935
Jens Axboeebac4652005-12-08 15:25:21 +0100936 free(string);
937 free(name);
Jens Axboe25775942008-06-10 20:26:06 +0200938 free(opts);
Aaron Carroll5a729cb2007-09-27 09:03:55 +0200939 if (f != stdin)
940 fclose(f);
Jens Axboe45410ac2006-06-07 11:10:39 +0200941 return ret;
Jens Axboeebac4652005-12-08 15:25:21 +0100942}
943
944static int fill_def_thread(void)
945{
946 memset(&def_thread, 0, sizeof(def_thread));
947
Jens Axboe375b2692007-05-22 09:13:02 +0200948 fio_getaffinity(getpid(), &def_thread.o.cpumask);
Jens Axboeebac4652005-12-08 15:25:21 +0100949
950 /*
Jens Axboeee738492007-01-10 11:23:16 +0100951 * fill default options
Jens Axboeebac4652005-12-08 15:25:21 +0100952 */
Jens Axboe214e1ec2007-03-15 10:48:13 +0100953 fio_fill_default_options(&def_thread);
Jens Axboeee738492007-01-10 11:23:16 +0100954
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100955 def_thread.o.timeout = def_timeout;
Jens Axboeebac4652005-12-08 15:25:21 +0100956 return 0;
957}
958
Jens Axboeebac4652005-12-08 15:25:21 +0100959static void free_shm(void)
960{
961 struct shmid_ds sbuf;
962
963 if (threads) {
Jens Axboe5e1d3062008-05-23 11:55:53 +0200964 void *tp = threads;
965
Jens Axboeebac4652005-12-08 15:25:21 +0100966 threads = NULL;
Jens Axboe5e1d3062008-05-23 11:55:53 +0200967 file_hash_exit();
968 fio_debug_jobp = NULL;
969 shmdt(tp);
Jens Axboeebac4652005-12-08 15:25:21 +0100970 shmctl(shm_id, IPC_RMID, &sbuf);
971 }
Jens Axboe2e5cdb12008-03-01 18:52:49 +0100972
973 scleanup();
Jens Axboeebac4652005-12-08 15:25:21 +0100974}
975
Jens Axboe906c8d72006-06-13 09:37:56 +0200976/*
977 * The thread area is shared between the main process and the job
978 * threads/processes. So setup a shared memory segment that will hold
Jens Axboe380065a2008-03-01 18:56:24 +0100979 * all the job info. We use the end of the region for keeping track of
980 * open files across jobs, for file sharing.
Jens Axboe906c8d72006-06-13 09:37:56 +0200981 */
Jens Axboeebac4652005-12-08 15:25:21 +0100982static int setup_thread_area(void)
983{
Jens Axboe380065a2008-03-01 18:56:24 +0100984 void *hash;
985
Jens Axboeebac4652005-12-08 15:25:21 +0100986 /*
987 * 1024 is too much on some machines, scale max_jobs if
988 * we get a failure that looks like too large a shm segment
989 */
990 do {
Jens Axboe906c8d72006-06-13 09:37:56 +0200991 size_t size = max_jobs * sizeof(struct thread_data);
Jens Axboeebac4652005-12-08 15:25:21 +0100992
Jens Axboe380065a2008-03-01 18:56:24 +0100993 size += file_hash_size;
Jens Axboe5e1d3062008-05-23 11:55:53 +0200994 size += sizeof(unsigned int);
Jens Axboe380065a2008-03-01 18:56:24 +0100995
Jens Axboe906c8d72006-06-13 09:37:56 +0200996 shm_id = shmget(0, size, IPC_CREAT | 0600);
Jens Axboeebac4652005-12-08 15:25:21 +0100997 if (shm_id != -1)
998 break;
999 if (errno != EINVAL) {
1000 perror("shmget");
1001 break;
1002 }
1003
1004 max_jobs >>= 1;
1005 } while (max_jobs);
1006
1007 if (shm_id == -1)
1008 return 1;
1009
1010 threads = shmat(shm_id, NULL, 0);
1011 if (threads == (void *) -1) {
1012 perror("shmat");
1013 return 1;
1014 }
1015
Jens Axboe1f809d12007-10-25 18:34:02 +02001016 memset(threads, 0, max_jobs * sizeof(struct thread_data));
Jens Axboe380065a2008-03-01 18:56:24 +01001017 hash = (void *) threads + max_jobs * sizeof(struct thread_data);
Jens Axboe5e1d3062008-05-23 11:55:53 +02001018 fio_debug_jobp = (void *) hash + file_hash_size;
1019 *fio_debug_jobp = -1;
Jens Axboe380065a2008-03-01 18:56:24 +01001020 file_hash_init(hash);
Jens Axboeebac4652005-12-08 15:25:21 +01001021 atexit(free_shm);
1022 return 0;
1023}
1024
Jens Axboe45378b32007-12-19 13:54:38 +01001025static void usage(const char *name)
Jens Axboeb4692822006-10-27 13:43:22 +02001026{
Jens Axboe45378b32007-12-19 13:54:38 +01001027 printf("%s [options] [job options] <job file(s)>\n", name);
Jens Axboeee56ad52008-02-01 10:30:20 +01001028 printf("\t--debug=options\tEnable debug logging\n");
Jens Axboe214e1ec2007-03-15 10:48:13 +01001029 printf("\t--output\tWrite output to file\n");
1030 printf("\t--timeout\tRuntime in seconds\n");
1031 printf("\t--latency-log\tGenerate per-job latency logs\n");
1032 printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n");
1033 printf("\t--minimal\tMinimal (terse) output\n");
1034 printf("\t--version\tPrint version info and exit\n");
1035 printf("\t--help\t\tPrint this page\n");
Jens Axboe5ec10ea2008-03-06 15:42:00 +01001036 printf("\t--cmdhelp=cmd\tPrint command help, \"all\" for all of"
1037 " them\n");
Jens Axboecca73aa2007-04-04 11:09:19 +02001038 printf("\t--showcmd\tTurn a job file into command line options\n");
Aaron Carrolle592a062007-09-14 09:49:41 +02001039 printf("\t--eta=when\tWhen ETA estimate should be printed\n");
1040 printf("\t \tMay be \"always\", \"never\" or \"auto\"\n");
Jens Axboe5ec10ea2008-03-06 15:42:00 +01001041 printf("\t--readonly\tTurn on safety read-only checks, preventing"
1042 " writes\n");
Jens Axboe01f06b62008-02-18 20:53:47 +01001043 printf("\t--section=name\tOnly run specified section in job file\n");
Jens Axboe2b386d22008-03-26 10:32:57 +01001044 printf("\t--alloc-size=kb\tSet smalloc pool to this size in kb"
1045 " (def 1024)\n");
Jens Axboea9523c62011-01-17 16:49:54 -07001046 printf("\t--warnings-fatal Fio parser warnings are fatal\n");
Jens Axboefca70352011-07-06 20:12:54 +02001047 printf("\t--max-jobs\tMaximum number of threads/processes to support\n");
Jens Axboeaa58d252010-06-09 09:49:38 +02001048 printf("\nFio was written by Jens Axboe <jens.axboe@oracle.com>");
1049 printf("\n Jens Axboe <jaxboe@fusionio.com>\n");
Jens Axboeb4692822006-10-27 13:43:22 +02001050}
1051
Jens Axboe79e48f72008-02-01 20:37:09 +01001052#ifdef FIO_INC_DEBUG
Jens Axboeee56ad52008-02-01 10:30:20 +01001053struct debug_level debug_levels[] = {
Jens Axboebd6f78b2008-02-01 20:27:52 +01001054 { .name = "process", .shift = FD_PROCESS, },
1055 { .name = "file", .shift = FD_FILE, },
1056 { .name = "io", .shift = FD_IO, },
1057 { .name = "mem", .shift = FD_MEM, },
1058 { .name = "blktrace", .shift = FD_BLKTRACE },
1059 { .name = "verify", .shift = FD_VERIFY },
Jens Axboe84422ac2008-02-19 20:10:26 +01001060 { .name = "random", .shift = FD_RANDOM },
Jens Axboea3d741f2008-02-27 18:32:33 +01001061 { .name = "parse", .shift = FD_PARSE },
Jens Axboecd991b92008-03-07 13:19:35 +01001062 { .name = "diskutil", .shift = FD_DISKUTIL },
Jens Axboe5e1d3062008-05-23 11:55:53 +02001063 { .name = "job", .shift = FD_JOB },
Jens Axboe29adda32009-01-05 19:06:39 +01001064 { .name = "mutex", .shift = FD_MUTEX },
Jens Axboe79d16312010-03-04 12:43:20 +01001065 { .name = "profile", .shift = FD_PROFILE },
Jens Axboec223da82010-03-24 13:23:53 +01001066 { .name = "time", .shift = FD_TIME },
Jens Axboe02444ad2008-10-07 11:33:00 +02001067 { .name = NULL, },
Jens Axboeee56ad52008-02-01 10:30:20 +01001068};
1069
Jens Axboec09823a2008-02-19 20:16:57 +01001070static int set_debug(const char *string)
Jens Axboeee56ad52008-02-01 10:30:20 +01001071{
1072 struct debug_level *dl;
1073 char *p = (char *) string;
1074 char *opt;
1075 int i;
1076
1077 if (!strcmp(string, "?") || !strcmp(string, "help")) {
Jens Axboeee56ad52008-02-01 10:30:20 +01001078 log_info("fio: dumping debug options:");
1079 for (i = 0; debug_levels[i].name; i++) {
1080 dl = &debug_levels[i];
1081 log_info("%s,", dl->name);
1082 }
Jens Axboebd6f78b2008-02-01 20:27:52 +01001083 log_info("all\n");
Jens Axboec09823a2008-02-19 20:16:57 +01001084 return 1;
Jens Axboeee56ad52008-02-01 10:30:20 +01001085 }
1086
1087 while ((opt = strsep(&p, ",")) != NULL) {
1088 int found = 0;
1089
Jens Axboe5e1d3062008-05-23 11:55:53 +02001090 if (!strncmp(opt, "all", 3)) {
1091 log_info("fio: set all debug options\n");
1092 fio_debug = ~0UL;
1093 continue;
1094 }
1095
Jens Axboeee56ad52008-02-01 10:30:20 +01001096 for (i = 0; debug_levels[i].name; i++) {
1097 dl = &debug_levels[i];
Jens Axboe5e1d3062008-05-23 11:55:53 +02001098 found = !strncmp(opt, dl->name, strlen(dl->name));
1099 if (!found)
1100 continue;
1101
1102 if (dl->shift == FD_JOB) {
1103 opt = strchr(opt, ':');
1104 if (!opt) {
1105 log_err("fio: missing job number\n");
1106 break;
1107 }
1108 opt++;
1109 fio_debug_jobno = atoi(opt);
1110 log_info("fio: set debug jobno %d\n",
1111 fio_debug_jobno);
1112 } else {
Jens Axboeee56ad52008-02-01 10:30:20 +01001113 log_info("fio: set debug option %s\n", opt);
Jens Axboebd6f78b2008-02-01 20:27:52 +01001114 fio_debug |= (1UL << dl->shift);
Jens Axboeee56ad52008-02-01 10:30:20 +01001115 }
Jens Axboe5e1d3062008-05-23 11:55:53 +02001116 break;
Jens Axboeee56ad52008-02-01 10:30:20 +01001117 }
1118
1119 if (!found)
1120 log_err("fio: debug mask %s not found\n", opt);
1121 }
Jens Axboec09823a2008-02-19 20:16:57 +01001122 return 0;
Jens Axboeee56ad52008-02-01 10:30:20 +01001123}
Jens Axboe79e48f72008-02-01 20:37:09 +01001124#else
Jens Axboe69b98d42008-05-30 22:25:32 +02001125static int set_debug(const char *string)
Jens Axboe79e48f72008-02-01 20:37:09 +01001126{
1127 log_err("fio: debug tracing not included in build\n");
Jens Axboec09823a2008-02-19 20:16:57 +01001128 return 1;
Jens Axboe79e48f72008-02-01 20:37:09 +01001129}
1130#endif
Jens Axboeee56ad52008-02-01 10:30:20 +01001131
Jens Axboe4c6107f2011-01-18 05:22:22 -07001132static void fio_options_fill_optstring(void)
1133{
1134 char *ostr = cmd_optstr;
1135 int i, c;
1136
1137 c = i = 0;
1138 while (l_opts[i].name) {
1139 ostr[c++] = l_opts[i].val;
1140 if (l_opts[i].has_arg == required_argument)
1141 ostr[c++] = ':';
1142 else if (l_opts[i].has_arg == optional_argument) {
1143 ostr[c++] = ':';
1144 ostr[c++] = ':';
1145 }
1146 i++;
1147 }
1148 ostr[c] = '\0';
1149}
1150
Jens Axboe214e1ec2007-03-15 10:48:13 +01001151static int parse_cmd_line(int argc, char *argv[])
1152{
1153 struct thread_data *td = NULL;
Jens Axboec09823a2008-02-19 20:16:57 +01001154 int c, ini_idx = 0, lidx, ret = 0, do_exit = 0, exit_val = 0;
Jens Axboe4c6107f2011-01-18 05:22:22 -07001155 char *ostr = cmd_optstr;
Jens Axboe214e1ec2007-03-15 10:48:13 +01001156
Jens Axboe4c6107f2011-01-18 05:22:22 -07001157 while ((c = getopt_long_only(argc, argv, ostr, l_opts, &lidx)) != -1) {
Jens Axboe214e1ec2007-03-15 10:48:13 +01001158 switch (c) {
Jens Axboe2b386d22008-03-26 10:32:57 +01001159 case 'a':
1160 smalloc_pool_size = atoi(optarg);
1161 break;
Jens Axboe214e1ec2007-03-15 10:48:13 +01001162 case 't':
1163 def_timeout = atoi(optarg);
1164 break;
1165 case 'l':
1166 write_lat_log = 1;
1167 break;
Jens Axboe3d73e5a2010-03-25 10:38:07 +01001168 case 'b':
Jens Axboe214e1ec2007-03-15 10:48:13 +01001169 write_bw_log = 1;
1170 break;
1171 case 'o':
1172 f_out = fopen(optarg, "w+");
1173 if (!f_out) {
1174 perror("fopen output");
1175 exit(1);
1176 }
1177 f_err = f_out;
1178 break;
1179 case 'm':
1180 terse_output = 1;
1181 break;
1182 case 'h':
Jens Axboe45378b32007-12-19 13:54:38 +01001183 usage(argv[0]);
Jens Axboe214e1ec2007-03-15 10:48:13 +01001184 exit(0);
1185 case 'c':
1186 exit(fio_show_option_help(optarg));
Jens Axboecca73aa2007-04-04 11:09:19 +02001187 case 's':
1188 dump_cmdline = 1;
1189 break;
Jens Axboe724e4432007-09-11 20:02:05 +02001190 case 'r':
1191 read_only = 1;
1192 break;
Jens Axboe214e1ec2007-03-15 10:48:13 +01001193 case 'v':
Jens Axboeca740f42011-01-25 13:06:16 +01001194 log_info("%s\n", fio_version_string);
Jens Axboe214e1ec2007-03-15 10:48:13 +01001195 exit(0);
Aaron Carrolle592a062007-09-14 09:49:41 +02001196 case 'e':
1197 if (!strcmp("always", optarg))
1198 eta_print = FIO_ETA_ALWAYS;
1199 else if (!strcmp("never", optarg))
1200 eta_print = FIO_ETA_NEVER;
1201 break;
Jens Axboeee56ad52008-02-01 10:30:20 +01001202 case 'd':
Jens Axboec09823a2008-02-19 20:16:57 +01001203 if (set_debug(optarg))
1204 do_exit++;
Jens Axboeee56ad52008-02-01 10:30:20 +01001205 break;
Jens Axboead0a2732011-03-11 10:16:17 +01001206 case 'x': {
1207 size_t new_size;
1208
Jens Axboe01f06b62008-02-18 20:53:47 +01001209 if (!strcmp(optarg, "global")) {
Jens Axboe5ec10ea2008-03-06 15:42:00 +01001210 log_err("fio: can't use global as only "
1211 "section\n");
Jens Axboec09823a2008-02-19 20:16:57 +01001212 do_exit++;
1213 exit_val = 1;
Jens Axboe01f06b62008-02-18 20:53:47 +01001214 break;
1215 }
Jens Axboead0a2732011-03-11 10:16:17 +01001216 new_size = (nr_job_sections + 1) * sizeof(char *);
1217 job_sections = realloc(job_sections, new_size);
1218 job_sections[nr_job_sections] = strdup(optarg);
1219 nr_job_sections++;
Jens Axboe01f06b62008-02-18 20:53:47 +01001220 break;
Jens Axboead0a2732011-03-11 10:16:17 +01001221 }
Jens Axboe9ac8a792009-11-13 21:23:07 +01001222 case 'p':
Jens Axboe07b32322010-03-05 09:48:44 +01001223 exec_profile = strdup(optarg);
Jens Axboe9ac8a792009-11-13 21:23:07 +01001224 break;
Jens Axboe214e1ec2007-03-15 10:48:13 +01001225 case FIO_GETOPT_JOB: {
Jens Axboe5ec10ea2008-03-06 15:42:00 +01001226 const char *opt = l_opts[lidx].name;
Jens Axboe214e1ec2007-03-15 10:48:13 +01001227 char *val = optarg;
1228
1229 if (!strncmp(opt, "name", 4) && td) {
Jens Axboe2dc1bbe2007-03-15 15:01:33 +01001230 ret = add_job(td, td->o.name ?: "fio", 0);
Jens Axboe66251552011-05-12 10:14:57 +02001231 if (ret)
Jens Axboe214e1ec2007-03-15 10:48:13 +01001232 return 0;
Jens Axboe214e1ec2007-03-15 10:48:13 +01001233 td = NULL;
1234 }
1235 if (!td) {
Jens Axboe01f06b62008-02-18 20:53:47 +01001236 int is_section = !strncmp(opt, "name", 4);
Jens Axboe3106f222007-04-19 09:53:28 +02001237 int global = 0;
1238
Jens Axboe01f06b62008-02-18 20:53:47 +01001239 if (!is_section || !strncmp(val, "global", 6))
Jens Axboe3106f222007-04-19 09:53:28 +02001240 global = 1;
Jens Axboe214e1ec2007-03-15 10:48:13 +01001241
Jens Axboe01f06b62008-02-18 20:53:47 +01001242 if (is_section && skip_this_section(val))
1243 continue;
1244
Jens Axboe214e1ec2007-03-15 10:48:13 +01001245 td = get_new_job(global, &def_thread);
1246 if (!td)
1247 return 0;
1248 }
1249
1250 ret = fio_cmd_option_parse(td, opt, val);
Jens Axboe214e1ec2007-03-15 10:48:13 +01001251 break;
1252 }
Jens Axboea9523c62011-01-17 16:49:54 -07001253 case 'w':
1254 warnings_fatal = 1;
1255 break;
Jens Axboefca70352011-07-06 20:12:54 +02001256 case 'j':
1257 max_jobs = atoi(optarg);
1258 if (!max_jobs || max_jobs > REAL_MAX_JOBS) {
1259 log_err("fio: invalid max jobs: %d\n", max_jobs);
1260 do_exit++;
1261 exit_val = 1;
1262 }
1263 break;
Jens Axboe214e1ec2007-03-15 10:48:13 +01001264 default:
Jens Axboec09823a2008-02-19 20:16:57 +01001265 do_exit++;
1266 exit_val = 1;
Jens Axboe214e1ec2007-03-15 10:48:13 +01001267 break;
1268 }
1269 }
1270
Jens Axboec09823a2008-02-19 20:16:57 +01001271 if (do_exit)
1272 exit(exit_val);
Jens Axboe536582b2008-02-18 20:26:32 +01001273
Jens Axboe214e1ec2007-03-15 10:48:13 +01001274 if (td) {
Jens Axboe7d6a8902008-02-18 20:59:18 +01001275 if (!ret)
Jens Axboe2dc1bbe2007-03-15 15:01:33 +01001276 ret = add_job(td, td->o.name ?: "fio", 0);
Jens Axboe214e1ec2007-03-15 10:48:13 +01001277 }
1278
1279 while (optind < argc) {
1280 ini_idx++;
1281 ini_file = realloc(ini_file, ini_idx * sizeof(char *));
1282 ini_file[ini_idx - 1] = strdup(argv[optind]);
1283 optind++;
1284 }
1285
1286 return ini_idx;
1287}
1288
Jens Axboeebac4652005-12-08 15:25:21 +01001289int parse_options(int argc, char *argv[])
1290{
Jens Axboe972cfd22006-06-09 11:08:56 +02001291 int job_files, i;
1292
Jens Axboeb4692822006-10-27 13:43:22 +02001293 f_out = stdout;
1294 f_err = stderr;
1295
Jens Axboe4c6107f2011-01-18 05:22:22 -07001296 fio_options_fill_optstring();
Jens Axboe5ec10ea2008-03-06 15:42:00 +01001297 fio_options_dup_and_init(l_opts);
Jens Axboeb4692822006-10-27 13:43:22 +02001298
Jens Axboeebac4652005-12-08 15:25:21 +01001299 if (setup_thread_area())
1300 return 1;
1301 if (fill_def_thread())
1302 return 1;
1303
Jens Axboe972cfd22006-06-09 11:08:56 +02001304 job_files = parse_cmd_line(argc, argv);
Jens Axboeebac4652005-12-08 15:25:21 +01001305
Jens Axboe972cfd22006-06-09 11:08:56 +02001306 for (i = 0; i < job_files; i++) {
1307 if (fill_def_thread())
1308 return 1;
Jens Axboe0c7e37a2006-06-13 14:53:38 +02001309 if (parse_jobs_ini(ini_file[i], i))
Jens Axboe972cfd22006-06-09 11:08:56 +02001310 return 1;
Jens Axboe88c6ed82006-06-09 11:28:10 +02001311 free(ini_file[i]);
Jens Axboe972cfd22006-06-09 11:08:56 +02001312 }
Jens Axboeebac4652005-12-08 15:25:21 +01001313
Jens Axboe88c6ed82006-06-09 11:28:10 +02001314 free(ini_file);
Jens Axboed23bb322007-03-23 15:57:56 +01001315 options_mem_free(&def_thread);
Jens Axboeb4692822006-10-27 13:43:22 +02001316
1317 if (!thread_number) {
Jens Axboecca73aa2007-04-04 11:09:19 +02001318 if (dump_cmdline)
1319 return 0;
Jens Axboe07b32322010-03-05 09:48:44 +01001320 if (exec_profile)
1321 return 0;
Jens Axboecca73aa2007-04-04 11:09:19 +02001322
Bruce Cran03e20d62011-01-02 20:14:54 +01001323 log_err("No jobs(s) defined\n\n");
Jens Axboe45378b32007-12-19 13:54:38 +01001324 usage(argv[0]);
Jens Axboeb4692822006-10-27 13:43:22 +02001325 return 1;
1326 }
1327
Jens Axboebe4ecfd2008-12-08 14:10:52 +01001328 if (def_thread.o.gtod_offload) {
1329 fio_gtod_init();
1330 fio_gtod_offload = 1;
1331 fio_gtod_cpu = def_thread.o.gtod_cpu;
1332 }
1333
Jens Axboeca740f42011-01-25 13:06:16 +01001334 log_info("%s\n", fio_version_string);
Jens Axboeebac4652005-12-08 15:25:21 +01001335 return 0;
1336}