blob: a55868624e8ec277ec90466f09f35f316a2ba756 [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 Axboe2e5cdb12008-03-01 18:52:49 +010019#include "smalloc.h"
Jens Axboe380065a2008-03-01 18:56:24 +010020#include "filehash.h"
Jens Axboeebac4652005-12-08 15:25:21 +010021
Jens Axboec3383b92008-10-10 13:49:50 +020022static char fio_version_string[] = "fio 1.22";
Jens Axboe214e1ec2007-03-15 10:48:13 +010023
Jens Axboeee738492007-01-10 11:23:16 +010024#define FIO_RANDSEED (0xb1899bedUL)
Jens Axboeebac4652005-12-08 15:25:21 +010025
Jens Axboe214e1ec2007-03-15 10:48:13 +010026static char **ini_file;
27static int max_jobs = MAX_JOBS;
Jens Axboecca73aa2007-04-04 11:09:19 +020028static int dump_cmdline;
Jens Axboee1f36502006-10-27 10:54:08 +020029
Jens Axboe214e1ec2007-03-15 10:48:13 +010030struct thread_data def_thread;
31struct thread_data *threads = NULL;
Jens Axboee1f36502006-10-27 10:54:08 +020032
Jens Axboe214e1ec2007-03-15 10:48:13 +010033int exitall_on_terminate = 0;
34int terse_output = 0;
Aaron Carrolle592a062007-09-14 09:49:41 +020035int eta_print;
Jens Axboe214e1ec2007-03-15 10:48:13 +010036unsigned long long mlock_size = 0;
37FILE *f_out = NULL;
38FILE *f_err = NULL;
Jens Axboe01f06b62008-02-18 20:53:47 +010039char *job_section = NULL;
Jens Axboeee738492007-01-10 11:23:16 +010040
Jens Axboe214e1ec2007-03-15 10:48:13 +010041int write_bw_log = 0;
Jens Axboe4241ea82007-09-12 08:18:36 +020042int read_only = 0;
Jens Axboee1f36502006-10-27 10:54:08 +020043
Jens Axboe5ec10ea2008-03-06 15:42:00 +010044static int def_timeout;
45static int write_lat_log;
Jens Axboe214e1ec2007-03-15 10:48:13 +010046
47static int prev_group_jobs;
Jens Axboeb4692822006-10-27 13:43:22 +020048
Jens Axboeee56ad52008-02-01 10:30:20 +010049unsigned long fio_debug = 0;
Jens Axboe5e1d3062008-05-23 11:55:53 +020050unsigned int fio_debug_jobno = -1;
51unsigned int *fio_debug_jobp = NULL;
Jens Axboeee56ad52008-02-01 10:30:20 +010052
Jens Axboeb4692822006-10-27 13:43:22 +020053/*
54 * Command line options. These will contain the above, plus a few
55 * extra that only pertain to fio itself and not jobs.
56 */
Jens Axboe5ec10ea2008-03-06 15:42:00 +010057static struct option l_opts[FIO_NR_OPTIONS] = {
Jens Axboeb4692822006-10-27 13:43:22 +020058 {
59 .name = "output",
60 .has_arg = required_argument,
61 .val = 'o',
62 },
63 {
64 .name = "timeout",
65 .has_arg = required_argument,
66 .val = 't',
67 },
68 {
69 .name = "latency-log",
70 .has_arg = required_argument,
71 .val = 'l',
72 },
73 {
74 .name = "bandwidth-log",
75 .has_arg = required_argument,
76 .val = 'b',
77 },
78 {
79 .name = "minimal",
80 .has_arg = optional_argument,
81 .val = 'm',
82 },
83 {
84 .name = "version",
85 .has_arg = no_argument,
86 .val = 'v',
87 },
88 {
Jens Axboefd28ca42007-01-09 21:20:13 +010089 .name = "help",
90 .has_arg = no_argument,
91 .val = 'h',
92 },
93 {
94 .name = "cmdhelp",
Jens Axboe320beef2007-03-01 10:44:12 +010095 .has_arg = optional_argument,
Jens Axboefd28ca42007-01-09 21:20:13 +010096 .val = 'c',
97 },
98 {
Jens Axboecca73aa2007-04-04 11:09:19 +020099 .name = "showcmd",
100 .has_arg = no_argument,
Jens Axboe724e4432007-09-11 20:02:05 +0200101 .val = 's',
102 },
103 {
104 .name = "readonly",
105 .has_arg = no_argument,
106 .val = 'r',
Jens Axboecca73aa2007-04-04 11:09:19 +0200107 },
108 {
Aaron Carrolle592a062007-09-14 09:49:41 +0200109 .name = "eta",
110 .has_arg = required_argument,
111 .val = 'e',
112 },
113 {
Jens Axboeee56ad52008-02-01 10:30:20 +0100114 .name = "debug",
115 .has_arg = required_argument,
116 .val = 'd',
117 },
118 {
Jens Axboe01f06b62008-02-18 20:53:47 +0100119 .name = "section",
120 .has_arg = required_argument,
121 .val = 'x',
122 },
123 {
Jens Axboe2b386d22008-03-26 10:32:57 +0100124 .name = "alloc-size",
125 .has_arg = required_argument,
126 .val = 'a',
127 },
128 {
Jens Axboeb4692822006-10-27 13:43:22 +0200129 .name = NULL,
130 },
131};
132
Joel Becker9728ce32007-03-01 08:24:39 +0100133FILE *get_f_out()
134{
135 return f_out;
136}
137
138FILE *get_f_err()
139{
140 return f_err;
141}
142
Jens Axboe906c8d72006-06-13 09:37:56 +0200143/*
144 * Return a free job structure.
145 */
Jens Axboeebac4652005-12-08 15:25:21 +0100146static struct thread_data *get_new_job(int global, struct thread_data *parent)
147{
148 struct thread_data *td;
149
150 if (global)
151 return &def_thread;
152 if (thread_number >= max_jobs)
153 return NULL;
154
155 td = &threads[thread_number++];
Jens Axboeddaeaa52006-06-08 11:00:58 +0200156 *td = *parent;
Jens Axboeebac4652005-12-08 15:25:21 +0100157
Jens Axboecade3ef2007-03-23 15:29:45 +0100158 dup_files(td, parent);
Jens Axboed23bb322007-03-23 15:57:56 +0100159 options_mem_dupe(td);
Jens Axboecade3ef2007-03-23 15:29:45 +0100160
Jens Axboeebac4652005-12-08 15:25:21 +0100161 td->thread_number = thread_number;
Jens Axboeebac4652005-12-08 15:25:21 +0100162 return td;
163}
164
165static void put_job(struct thread_data *td)
166{
Jens Axboe549577a2006-10-30 12:23:41 +0100167 if (td == &def_thread)
168 return;
169
Jens Axboe16edf252007-02-10 14:59:22 +0100170 if (td->error)
Jens Axboe6d861442007-03-15 09:22:23 +0100171 log_info("fio: %s\n", td->verror);
Jens Axboe16edf252007-02-10 14:59:22 +0100172
Jens Axboeebac4652005-12-08 15:25:21 +0100173 memset(&threads[td->thread_number - 1], 0, sizeof(*td));
174 thread_number--;
175}
176
Jens Axboe127f6862007-03-15 12:09:57 +0100177static int setup_rate(struct thread_data *td)
178{
179 unsigned long nr_reads_per_msec;
180 unsigned long long rate;
181 unsigned int bs;
182
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100183 if (!td->o.rate && !td->o.rate_iops)
Jens Axboe127f6862007-03-15 12:09:57 +0100184 return 0;
185
186 if (td_rw(td))
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100187 bs = td->o.rw_min_bs;
Jens Axboe127f6862007-03-15 12:09:57 +0100188 else if (td_read(td))
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100189 bs = td->o.min_bs[DDIR_READ];
Jens Axboe127f6862007-03-15 12:09:57 +0100190 else
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100191 bs = td->o.min_bs[DDIR_WRITE];
Jens Axboe127f6862007-03-15 12:09:57 +0100192
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100193 if (td->o.rate) {
194 rate = td->o.rate;
Jens Axboe127f6862007-03-15 12:09:57 +0100195 nr_reads_per_msec = (rate * 1024 * 1000LL) / bs;
196 } else
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100197 nr_reads_per_msec = td->o.rate_iops * 1000UL;
Jens Axboe127f6862007-03-15 12:09:57 +0100198
199 if (!nr_reads_per_msec) {
200 log_err("rate lower than supported\n");
201 return -1;
202 }
203
204 td->rate_usec_cycle = 1000000000ULL / nr_reads_per_msec;
205 td->rate_pending_usleep = 0;
206 return 0;
207}
208
Jens Axboedad915e2006-10-27 11:10:18 +0200209/*
210 * Lazy way of fixing up options that depend on each other. We could also
211 * define option callback handlers, but this is easier.
212 */
Jens Axboe4e991c22007-03-15 11:41:11 +0100213static int fixup_options(struct thread_data *td)
Jens Axboee1f36502006-10-27 10:54:08 +0200214{
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100215 struct thread_options *o = &td->o;
Jens Axboedad915e2006-10-27 11:10:18 +0200216
Jens Axboe724e4432007-09-11 20:02:05 +0200217 if (read_only && td_write(td)) {
Jens Axboe5ec10ea2008-03-06 15:42:00 +0100218 log_err("fio: job <%s> has write bit set, but fio is in"
219 " read-only mode\n", td->o.name);
Jens Axboe724e4432007-09-11 20:02:05 +0200220 return 1;
221 }
Jens Axboe5ec10ea2008-03-06 15:42:00 +0100222
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100223 if (o->write_iolog_file && o->read_iolog_file) {
Jens Axboe076efc72006-10-27 11:24:25 +0200224 log_err("fio: read iolog overrides write_iolog\n");
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100225 free(o->write_iolog_file);
226 o->write_iolog_file = NULL;
Jens Axboe076efc72006-10-27 11:24:25 +0200227 }
Jens Axboe16b462a2006-10-30 12:35:18 +0100228
Jens Axboe16b462a2006-10-30 12:35:18 +0100229 /*
230 * only really works for sequential io for now, and with 1 file
231 */
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100232 if (o->zone_size && td_random(td) && o->open_files == 1)
233 o->zone_size = 0;
Jens Axboe16b462a2006-10-30 12:35:18 +0100234
235 /*
236 * Reads can do overwrites, we always need to pre-create the file
237 */
238 if (td_read(td) || td_rw(td))
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100239 o->overwrite = 1;
Jens Axboe16b462a2006-10-30 12:35:18 +0100240
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100241 if (!o->min_bs[DDIR_READ])
Jens Axboe5ec10ea2008-03-06 15:42:00 +0100242 o->min_bs[DDIR_READ] = o->bs[DDIR_READ];
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100243 if (!o->max_bs[DDIR_READ])
244 o->max_bs[DDIR_READ] = o->bs[DDIR_READ];
245 if (!o->min_bs[DDIR_WRITE])
Jens Axboe5ec10ea2008-03-06 15:42:00 +0100246 o->min_bs[DDIR_WRITE] = o->bs[DDIR_WRITE];
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100247 if (!o->max_bs[DDIR_WRITE])
248 o->max_bs[DDIR_WRITE] = o->bs[DDIR_WRITE];
Jens Axboea00735e2006-11-03 08:58:08 +0100249
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100250 o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]);
Jens Axboea00735e2006-11-03 08:58:08 +0100251
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100252 if (!o->file_size_high)
253 o->file_size_high = o->file_size_low;
Jens Axboe9c60ce62007-03-15 09:14:47 +0100254
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100255 if (o->norandommap && o->verify != VERIFY_NONE) {
Jens Axboebb8895e2006-10-30 15:14:48 +0100256 log_err("fio: norandommap given, verify disabled\n");
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100257 o->verify = VERIFY_NONE;
Jens Axboebb8895e2006-10-30 15:14:48 +0100258 }
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100259 if (o->bs_unaligned && (o->odirect || td->io_ops->flags & FIO_RAWIO))
Jens Axboe690adba2006-10-30 15:25:09 +0100260 log_err("fio: bs_unaligned may not work with raw io\n");
Jens Axboee0a22332006-12-20 12:54:25 +0100261
262 /*
Jens Axboe48097d52007-02-17 06:30:44 +0100263 * thinktime_spin must be less than thinktime
264 */
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100265 if (o->thinktime_spin > o->thinktime)
266 o->thinktime_spin = o->thinktime;
Jens Axboee916b392007-02-20 14:37:26 +0100267
268 /*
269 * The low water mark cannot be bigger than the iodepth
270 */
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100271 if (o->iodepth_low > o->iodepth || !o->iodepth_low) {
Jens Axboe9467b772007-02-27 19:56:43 +0100272 /*
273 * syslet work around - if the workload is sequential,
274 * we want to let the queue drain all the way down to
275 * avoid seeking between async threads
276 */
277 if (!strcmp(td->io_ops->name, "syslet-rw") && !td_random(td))
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100278 o->iodepth_low = 1;
Jens Axboe9467b772007-02-27 19:56:43 +0100279 else
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100280 o->iodepth_low = o->iodepth;
Jens Axboe9467b772007-02-27 19:56:43 +0100281 }
Jens Axboecb5ab512007-02-26 12:57:09 +0100282
283 /*
284 * If batch number isn't set, default to the same as iodepth
285 */
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100286 if (o->iodepth_batch > o->iodepth || !o->iodepth_batch)
287 o->iodepth_batch = o->iodepth;
Jens Axboeb5af8292007-03-08 12:43:13 +0100288
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100289 if (o->nr_files > td->files_index)
290 o->nr_files = td->files_index;
Jens Axboe9f9214f2007-03-13 14:02:16 +0100291
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100292 if (o->open_files > o->nr_files || !o->open_files)
293 o->open_files = o->nr_files;
Jens Axboe4e991c22007-03-15 11:41:11 +0100294
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100295 if ((o->rate && o->rate_iops) || (o->ratemin && o->rate_iops_min)) {
Jens Axboe4e991c22007-03-15 11:41:11 +0100296 log_err("fio: rate and rate_iops are mutually exclusive\n");
297 return 1;
298 }
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100299 if ((o->rate < o->ratemin) || (o->rate_iops < o->rate_iops_min)) {
Jens Axboe4e991c22007-03-15 11:41:11 +0100300 log_err("fio: minimum rate exceeds rate\n");
301 return 1;
302 }
303
Jens Axboecf4464c2007-04-17 20:14:42 +0200304 if (!o->timeout && o->time_based) {
305 log_err("fio: time_based requires a runtime/timeout setting\n");
306 o->time_based = 0;
307 }
308
Shawn Lewisaa31f1f2008-01-11 09:45:11 +0100309 if (o->fill_device && !o->size)
Jens Axboe5921e802008-05-30 15:02:38 +0200310 o->size = -1ULL;
Jens Axboe5ec10ea2008-03-06 15:42:00 +0100311
Jens Axboe79713142008-02-06 14:40:14 +0100312 if (td_rw(td) && td->o.verify != VERIFY_NONE)
313 log_info("fio: mixed read/write workload with verify. May not "
314 "work as expected, unless you pre-populated the file\n");
Shawn Lewisaa31f1f2008-01-11 09:45:11 +0100315
Jens Axboe41ccd842008-05-22 09:17:33 +0200316 if (td->o.verify != VERIFY_NONE)
317 td->o.refill_buffers = 1;
318
Jens Axboe4e991c22007-03-15 11:41:11 +0100319 return 0;
Jens Axboee1f36502006-10-27 10:54:08 +0200320}
321
Jens Axboe906c8d72006-06-13 09:37:56 +0200322/*
Jens Axboef8977ee2006-11-06 14:03:03 +0100323 * This function leaks the buffer
324 */
325static char *to_kmg(unsigned int val)
326{
327 char *buf = malloc(32);
Jens Axboef3502ba2007-02-14 01:27:09 +0100328 char post[] = { 0, 'K', 'M', 'G', 'P', 'E', 0 };
Jens Axboef8977ee2006-11-06 14:03:03 +0100329 char *p = post;
330
Jens Axboe245142f2006-11-08 12:49:21 +0100331 do {
Jens Axboef8977ee2006-11-06 14:03:03 +0100332 if (val & 1023)
333 break;
334
335 val >>= 10;
336 p++;
Jens Axboe245142f2006-11-08 12:49:21 +0100337 } while (*p);
Jens Axboef8977ee2006-11-06 14:03:03 +0100338
339 snprintf(buf, 31, "%u%c", val, *p);
340 return buf;
341}
342
Jens Axboe09629a92007-03-09 09:00:06 +0100343/* External engines are specified by "external:name.o") */
344static const char *get_engine_name(const char *str)
345{
346 char *p = strstr(str, ":");
347
348 if (!p)
349 return str;
350
351 p++;
352 strip_blank_front(&p);
353 strip_blank_end(p);
354 return p;
355}
356
Jens Axboee132cba2007-03-14 14:23:54 +0100357static int exists_and_not_file(const char *filename)
358{
359 struct stat sb;
360
361 if (lstat(filename, &sb) == -1)
362 return 0;
363
364 if (S_ISREG(sb.st_mode))
365 return 0;
366
367 return 1;
368}
369
Jens Axboef8977ee2006-11-06 14:03:03 +0100370/*
Jens Axboe9c60ce62007-03-15 09:14:47 +0100371 * Initialize the various random states we need (random io, block size ranges,
372 * read/write mix, etc).
373 */
374static int init_random_state(struct thread_data *td)
375{
376 unsigned long seeds[6];
Jens Axboe68727072007-03-15 20:49:25 +0100377 int fd;
Jens Axboe9c60ce62007-03-15 09:14:47 +0100378
379 fd = open("/dev/urandom", O_RDONLY);
380 if (fd == -1) {
381 td_verror(td, errno, "open");
382 return 1;
383 }
384
385 if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) {
386 td_verror(td, EIO, "read");
387 close(fd);
388 return 1;
389 }
390
391 close(fd);
392
393 os_random_seed(seeds[0], &td->bsrange_state);
394 os_random_seed(seeds[1], &td->verify_state);
395 os_random_seed(seeds[2], &td->rwmix_state);
396
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100397 if (td->o.file_service_type == FIO_FSERVICE_RANDOM)
Jens Axboe9c60ce62007-03-15 09:14:47 +0100398 os_random_seed(seeds[3], &td->next_file_state);
399
400 os_random_seed(seeds[5], &td->file_size_state);
401
402 if (!td_random(td))
403 return 0;
404
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100405 if (td->o.rand_repeatable)
Jens Axboe9c60ce62007-03-15 09:14:47 +0100406 seeds[4] = FIO_RANDSEED * td->thread_number;
407
Jens Axboe9c60ce62007-03-15 09:14:47 +0100408 os_random_seed(seeds[4], &td->random_state);
409 return 0;
410}
411
Jens Axboe9c60ce62007-03-15 09:14:47 +0100412/*
Jens Axboe906c8d72006-06-13 09:37:56 +0200413 * Adds a job to the list of things todo. Sanitizes the various options
414 * to make sure we don't have conflicts, and initializes various
415 * members of td.
416 */
Jens Axboe75154842006-06-01 13:56:09 +0200417static int add_job(struct thread_data *td, const char *jobname, int job_add_num)
Jens Axboeebac4652005-12-08 15:25:21 +0100418{
Jens Axboe413dd452007-02-23 09:26:09 +0100419 const char *ddir_str[] = { NULL, "read", "write", "rw", NULL,
420 "randread", "randwrite", "randrw" };
Jens Axboeaf52b342007-03-13 10:07:47 +0100421 unsigned int i;
Jens Axboe09629a92007-03-09 09:00:06 +0100422 const char *engine;
Jens Axboeaf52b342007-03-13 10:07:47 +0100423 char fname[PATH_MAX];
Jens Axboee132cba2007-03-14 14:23:54 +0100424 int numjobs, file_alloced;
Jens Axboeebac4652005-12-08 15:25:21 +0100425
Jens Axboeebac4652005-12-08 15:25:21 +0100426 /*
427 * the def_thread is just for options, it's not a real job
428 */
429 if (td == &def_thread)
430 return 0;
431
Jens Axboecca73aa2007-04-04 11:09:19 +0200432 /*
433 * if we are just dumping the output command line, don't add the job
434 */
435 if (dump_cmdline) {
436 put_job(td);
437 return 0;
438 }
439
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100440 engine = get_engine_name(td->o.ioengine);
Jens Axboe09629a92007-03-09 09:00:06 +0100441 td->io_ops = load_ioengine(td, engine);
442 if (!td->io_ops) {
443 log_err("fio: failed to load engine %s\n", engine);
Jens Axboe205927a2007-03-15 11:06:32 +0100444 goto err;
Jens Axboe09629a92007-03-09 09:00:06 +0100445 }
Jens Axboedf641192006-10-12 07:55:41 +0200446
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100447 if (td->o.use_thread)
Jens Axboe9cedf162007-03-12 11:29:30 +0100448 nr_thread++;
449 else
450 nr_process++;
451
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100452 if (td->o.odirect)
Jens Axboe690adba2006-10-30 15:25:09 +0100453 td->io_ops->flags |= FIO_RAWIO;
454
Jens Axboee132cba2007-03-14 14:23:54 +0100455 file_alloced = 0;
Jens Axboe691c8fb2008-03-07 14:26:26 +0100456 if (!td->o.filename && !td->files_index && !td->o.read_iolog_file) {
Jens Axboee132cba2007-03-14 14:23:54 +0100457 file_alloced = 1;
Jens Axboe80be24f2007-03-12 11:01:25 +0100458
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100459 if (td->o.nr_files == 1 && exists_and_not_file(jobname))
Jens Axboee132cba2007-03-14 14:23:54 +0100460 add_file(td, jobname);
Jens Axboe7b05a212007-03-13 11:17:07 +0100461 else {
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100462 for (i = 0; i < td->o.nr_files; i++) {
Jens Axboe5ec10ea2008-03-06 15:42:00 +0100463 sprintf(fname, "%s.%d.%d", jobname,
464 td->thread_number, i);
Jens Axboe7b05a212007-03-13 11:17:07 +0100465 add_file(td, fname);
466 }
Jens Axboeaf52b342007-03-13 10:07:47 +0100467 }
Jens Axboe0af7b542006-02-17 10:10:12 +0100468 }
Jens Axboeebac4652005-12-08 15:25:21 +0100469
Jens Axboe4e991c22007-03-15 11:41:11 +0100470 if (fixup_options(td))
471 goto err;
Jens Axboee0a22332006-12-20 12:54:25 +0100472
Jens Axboe07eb79d2007-04-12 13:02:38 +0200473 if (td->io_ops->flags & FIO_DISKLESSIO) {
474 struct fio_file *f;
475
476 for_each_file(td, f, i)
477 f->real_file_size = -1ULL;
478 }
479
Jens Axboecdd18ad2008-02-27 18:58:00 +0100480 td->mutex = fio_mutex_init(0);
Jens Axboeebac4652005-12-08 15:25:21 +0100481
Jens Axboe756867b2007-03-06 15:19:24 +0100482 td->ts.clat_stat[0].min_val = td->ts.clat_stat[1].min_val = ULONG_MAX;
483 td->ts.slat_stat[0].min_val = td->ts.slat_stat[1].min_val = ULONG_MAX;
484 td->ts.bw_stat[0].min_val = td->ts.bw_stat[1].min_val = ULONG_MAX;
Jens Axboe1e3d53a2007-03-22 19:01:48 +0100485 td->ddir_nr = td->o.ddir_nr;
Jens Axboeebac4652005-12-08 15:25:21 +0100486
Jens Axboeb3d62a72007-03-20 14:23:26 +0100487 if ((td->o.stonewall || td->o.numjobs > 1 || td->o.new_group)
488 && prev_group_jobs) {
Jens Axboe3c5df6f2007-03-12 15:09:24 +0100489 prev_group_jobs = 0;
Jens Axboeebac4652005-12-08 15:25:21 +0100490 groupid++;
Jens Axboe3c5df6f2007-03-12 15:09:24 +0100491 }
Jens Axboeebac4652005-12-08 15:25:21 +0100492
493 td->groupid = groupid;
Jens Axboe3c5df6f2007-03-12 15:09:24 +0100494 prev_group_jobs++;
Jens Axboeebac4652005-12-08 15:25:21 +0100495
Jens Axboe9c60ce62007-03-15 09:14:47 +0100496 if (init_random_state(td))
497 goto err;
498
Jens Axboeebac4652005-12-08 15:25:21 +0100499 if (setup_rate(td))
500 goto err;
501
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100502 if (td->o.write_lat_log) {
Jens Axboe756867b2007-03-06 15:19:24 +0100503 setup_log(&td->ts.slat_log);
504 setup_log(&td->ts.clat_log);
Jens Axboeebac4652005-12-08 15:25:21 +0100505 }
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100506 if (td->o.write_bw_log)
Jens Axboe756867b2007-03-06 15:19:24 +0100507 setup_log(&td->ts.bw_log);
Jens Axboeebac4652005-12-08 15:25:21 +0100508
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100509 if (!td->o.name)
510 td->o.name = strdup(jobname);
Jens Axboe01452052006-06-07 10:29:47 +0200511
Jens Axboec6ae0a52006-06-12 11:04:44 +0200512 if (!terse_output) {
Jens Axboeb990b5c2006-09-14 09:48:22 +0200513 if (!job_add_num) {
Jens Axboe5ec10ea2008-03-06 15:42:00 +0100514 if (!strcmp(td->io_ops->name, "cpuio")) {
515 log_info("%s: ioengine=cpu, cpuload=%u,"
516 " cpucycle=%u\n", td->o.name,
517 td->o.cpuload,
518 td->o.cpucycle);
519 } else {
Jens Axboef8977ee2006-11-06 14:03:03 +0100520 char *c1, *c2, *c3, *c4;
521
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100522 c1 = to_kmg(td->o.min_bs[DDIR_READ]);
523 c2 = to_kmg(td->o.max_bs[DDIR_READ]);
524 c3 = to_kmg(td->o.min_bs[DDIR_WRITE]);
525 c4 = to_kmg(td->o.max_bs[DDIR_WRITE]);
Jens Axboef8977ee2006-11-06 14:03:03 +0100526
Jens Axboe5ec10ea2008-03-06 15:42:00 +0100527 log_info("%s: (g=%d): rw=%s, bs=%s-%s/%s-%s,"
528 " ioengine=%s, iodepth=%u\n",
529 td->o.name, td->groupid,
530 ddir_str[td->o.td_ddir],
531 c1, c2, c3, c4,
532 td->io_ops->name,
533 td->o.iodepth);
Jens Axboef8977ee2006-11-06 14:03:03 +0100534
535 free(c1);
536 free(c2);
537 free(c3);
538 free(c4);
539 }
Jens Axboeb990b5c2006-09-14 09:48:22 +0200540 } else if (job_add_num == 1)
Jens Axboe6d861442007-03-15 09:22:23 +0100541 log_info("...\n");
Jens Axboec6ae0a52006-06-12 11:04:44 +0200542 }
Jens Axboeebac4652005-12-08 15:25:21 +0100543
544 /*
545 * recurse add identical jobs, clear numjobs and stonewall options
546 * as they don't apply to sub-jobs
547 */
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100548 numjobs = td->o.numjobs;
Jens Axboeebac4652005-12-08 15:25:21 +0100549 while (--numjobs) {
550 struct thread_data *td_new = get_new_job(0, td);
551
552 if (!td_new)
553 goto err;
554
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100555 td_new->o.numjobs = 1;
556 td_new->o.stonewall = 0;
Jens Axboe92c1d412007-03-28 10:04:08 +0200557 td_new->o.new_group = 0;
Jens Axboee132cba2007-03-14 14:23:54 +0100558
559 if (file_alloced) {
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100560 td_new->o.filename = NULL;
Jens Axboee132cba2007-03-14 14:23:54 +0100561 td_new->files_index = 0;
562 td_new->files = NULL;
563 }
564
Jens Axboe75154842006-06-01 13:56:09 +0200565 job_add_num = numjobs - 1;
Jens Axboeebac4652005-12-08 15:25:21 +0100566
Jens Axboe75154842006-06-01 13:56:09 +0200567 if (add_job(td_new, jobname, job_add_num))
Jens Axboeebac4652005-12-08 15:25:21 +0100568 goto err;
569 }
Jens Axboe3c5df6f2007-03-12 15:09:24 +0100570
Jens Axboeebac4652005-12-08 15:25:21 +0100571 return 0;
572err:
573 put_job(td);
574 return -1;
575}
576
Jens Axboe01f06b62008-02-18 20:53:47 +0100577static int skip_this_section(const char *name)
578{
579 if (!job_section)
580 return 0;
581 if (!strncmp(name, "global", 6))
582 return 0;
583
584 return strncmp(job_section, name, strlen(job_section));
585}
586
Jens Axboeebac4652005-12-08 15:25:21 +0100587static int is_empty_or_comment(char *line)
588{
589 unsigned int i;
590
591 for (i = 0; i < strlen(line); i++) {
592 if (line[i] == ';')
593 return 1;
Ingo Molnar5cc2da32007-02-20 10:19:44 +0100594 if (line[i] == '#')
595 return 1;
Jens Axboeebac4652005-12-08 15:25:21 +0100596 if (!isspace(line[i]) && !iscntrl(line[i]))
597 return 0;
598 }
599
600 return 1;
601}
602
Jens Axboe313cb202006-12-21 09:50:00 +0100603/*
Jens Axboe07261982006-06-07 10:51:12 +0200604 * This is our [ini] type file parser.
605 */
Jens Axboe1e97cce2006-12-05 11:44:16 +0100606static int parse_jobs_ini(char *file, int stonewall_flag)
Jens Axboeebac4652005-12-08 15:25:21 +0100607{
Jens Axboee1f36502006-10-27 10:54:08 +0200608 unsigned int global;
Jens Axboeebac4652005-12-08 15:25:21 +0100609 struct thread_data *td;
Jens Axboefee3bb42006-10-30 13:32:08 +0100610 char *string, *name;
Jens Axboeebac4652005-12-08 15:25:21 +0100611 FILE *f;
612 char *p;
Jens Axboe0c7e37a2006-06-13 14:53:38 +0200613 int ret = 0, stonewall;
Jens Axboe097b2992007-04-19 09:41:45 +0200614 int first_sect = 1;
Jens Axboeccf8f122007-09-27 10:48:55 +0200615 int skip_fgets = 0;
Jens Axboe01f06b62008-02-18 20:53:47 +0100616 int inside_skip = 0;
Jens Axboe3b8b7132008-06-10 19:46:23 +0200617 char **opts;
618 int i, alloc_opts, num_opts;
Jens Axboeebac4652005-12-08 15:25:21 +0100619
Aaron Carroll5a729cb2007-09-27 09:03:55 +0200620 if (!strcmp(file, "-"))
621 f = stdin;
622 else
623 f = fopen(file, "r");
624
Jens Axboeebac4652005-12-08 15:25:21 +0100625 if (!f) {
Jens Axboeaea47d42006-05-26 19:27:29 +0200626 perror("fopen job file");
Jens Axboeebac4652005-12-08 15:25:21 +0100627 return 1;
628 }
629
630 string = malloc(4096);
Jens Axboe7f7e6e52007-07-19 14:50:05 +0200631
632 /*
633 * it's really 256 + small bit, 280 should suffice
634 */
635 name = malloc(280);
636 memset(name, 0, 280);
Jens Axboeebac4652005-12-08 15:25:21 +0100637
Jens Axboe3b8b7132008-06-10 19:46:23 +0200638 alloc_opts = 8;
639 opts = malloc(sizeof(char *) * alloc_opts);
Jens Axboeb7c63022008-06-11 11:47:56 +0200640 num_opts = 0;
Jens Axboe3b8b7132008-06-10 19:46:23 +0200641
Jens Axboe0c7e37a2006-06-13 14:53:38 +0200642 stonewall = stonewall_flag;
Jens Axboe7c124ac2006-10-30 13:36:52 +0100643 do {
Jens Axboeccf8f122007-09-27 10:48:55 +0200644 /*
645 * if skip_fgets is set, we already have loaded a line we
646 * haven't handled.
647 */
648 if (!skip_fgets) {
649 p = fgets(string, 4095, f);
650 if (!p)
651 break;
652 }
gurudas paicdc7f192007-03-29 10:10:56 +0200653
Jens Axboeccf8f122007-09-27 10:48:55 +0200654 skip_fgets = 0;
gurudas paicdc7f192007-03-29 10:10:56 +0200655 strip_blank_front(&p);
Jens Axboe6c7c7da2007-03-29 14:12:57 -0800656 strip_blank_end(p);
gurudas paicdc7f192007-03-29 10:10:56 +0200657
Jens Axboeebac4652005-12-08 15:25:21 +0100658 if (is_empty_or_comment(p))
659 continue;
Jens Axboe6c7c7da2007-03-29 14:12:57 -0800660 if (sscanf(p, "[%255s]", name) != 1) {
Jens Axboe01f06b62008-02-18 20:53:47 +0100661 if (inside_skip)
662 continue;
Jens Axboe5ec10ea2008-03-06 15:42:00 +0100663 log_err("fio: option <%s> outside of [] job section\n",
664 p);
Jens Axboe088b4202007-07-19 14:53:01 +0200665 break;
Jens Axboe6c7c7da2007-03-29 14:12:57 -0800666 }
Jens Axboeebac4652005-12-08 15:25:21 +0100667
Jens Axboe01f06b62008-02-18 20:53:47 +0100668 if (skip_this_section(name)) {
669 inside_skip = 1;
670 continue;
671 } else
672 inside_skip = 0;
673
Jens Axboeebac4652005-12-08 15:25:21 +0100674 global = !strncmp(name, "global", 6);
675
676 name[strlen(name) - 1] = '\0';
677
Jens Axboecca73aa2007-04-04 11:09:19 +0200678 if (dump_cmdline) {
Jens Axboe097b2992007-04-19 09:41:45 +0200679 if (first_sect)
680 log_info("fio ");
Jens Axboecca73aa2007-04-04 11:09:19 +0200681 if (!global)
682 log_info("--name=%s ", name);
Jens Axboe097b2992007-04-19 09:41:45 +0200683 first_sect = 0;
Jens Axboecca73aa2007-04-04 11:09:19 +0200684 }
685
Jens Axboeebac4652005-12-08 15:25:21 +0100686 td = get_new_job(global, &def_thread);
Jens Axboe45410ac2006-06-07 11:10:39 +0200687 if (!td) {
688 ret = 1;
689 break;
690 }
Jens Axboeebac4652005-12-08 15:25:21 +0100691
Jens Axboe972cfd22006-06-09 11:08:56 +0200692 /*
693 * Seperate multiple job files by a stonewall
694 */
Jens Axboef9481912006-06-09 11:37:28 +0200695 if (!global && stonewall) {
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100696 td->o.stonewall = stonewall;
Jens Axboe972cfd22006-06-09 11:08:56 +0200697 stonewall = 0;
698 }
699
Jens Axboe3b8b7132008-06-10 19:46:23 +0200700 num_opts = 0;
701 memset(opts, 0, alloc_opts * sizeof(char *));
702
Jens Axboeebac4652005-12-08 15:25:21 +0100703 while ((p = fgets(string, 4096, f)) != NULL) {
704 if (is_empty_or_comment(p))
705 continue;
Jens Axboee1f36502006-10-27 10:54:08 +0200706
Jens Axboeb6754f92006-05-30 14:29:32 +0200707 strip_blank_front(&p);
Jens Axboe7c124ac2006-10-30 13:36:52 +0100708
Jens Axboeccf8f122007-09-27 10:48:55 +0200709 /*
710 * new section, break out and make sure we don't
711 * fgets() a new line at the top.
712 */
713 if (p[0] == '[') {
714 skip_fgets = 1;
Jens Axboe7c124ac2006-10-30 13:36:52 +0100715 break;
Jens Axboeccf8f122007-09-27 10:48:55 +0200716 }
Jens Axboe7c124ac2006-10-30 13:36:52 +0100717
Jens Axboe4ae3f762006-05-30 13:35:14 +0200718 strip_blank_end(p);
Jens Axboeaea47d42006-05-26 19:27:29 +0200719
Jens Axboe3b8b7132008-06-10 19:46:23 +0200720 if (num_opts == alloc_opts) {
721 alloc_opts <<= 1;
722 opts = realloc(opts,
723 alloc_opts * sizeof(char *));
724 }
725
726 opts[num_opts] = strdup(p);
727 num_opts++;
Jens Axboeebac4652005-12-08 15:25:21 +0100728 }
Jens Axboeebac4652005-12-08 15:25:21 +0100729
Jens Axboe3b8b7132008-06-10 19:46:23 +0200730 ret = fio_options_parse(td, opts, num_opts);
731 if (!ret) {
732 if (dump_cmdline)
733 for (i = 0; i < num_opts; i++)
734 log_info("--%s ", opts[i]);
735
Jens Axboe45410ac2006-06-07 11:10:39 +0200736 ret = add_job(td, name, 0);
Jens Axboe3b8b7132008-06-10 19:46:23 +0200737 } else {
Jens Axboeb1508cf2006-11-02 09:12:40 +0100738 log_err("fio: job %s dropped\n", name);
739 put_job(td);
Jens Axboe45410ac2006-06-07 11:10:39 +0200740 }
Jens Axboe3b8b7132008-06-10 19:46:23 +0200741
742 for (i = 0; i < num_opts; i++)
743 free(opts[i]);
744 num_opts = 0;
Jens Axboe7c124ac2006-10-30 13:36:52 +0100745 } while (!ret);
Jens Axboeebac4652005-12-08 15:25:21 +0100746
Jens Axboecca73aa2007-04-04 11:09:19 +0200747 if (dump_cmdline)
748 log_info("\n");
749
Jens Axboe3b8b7132008-06-10 19:46:23 +0200750 for (i = 0; i < num_opts; i++)
751 free(opts[i]);
752
Jens Axboeebac4652005-12-08 15:25:21 +0100753 free(string);
754 free(name);
Jens Axboe25775942008-06-10 20:26:06 +0200755 free(opts);
Aaron Carroll5a729cb2007-09-27 09:03:55 +0200756 if (f != stdin)
757 fclose(f);
Jens Axboe45410ac2006-06-07 11:10:39 +0200758 return ret;
Jens Axboeebac4652005-12-08 15:25:21 +0100759}
760
761static int fill_def_thread(void)
762{
763 memset(&def_thread, 0, sizeof(def_thread));
764
Jens Axboe375b2692007-05-22 09:13:02 +0200765 fio_getaffinity(getpid(), &def_thread.o.cpumask);
Jens Axboeebac4652005-12-08 15:25:21 +0100766
767 /*
Jens Axboeee738492007-01-10 11:23:16 +0100768 * fill default options
Jens Axboeebac4652005-12-08 15:25:21 +0100769 */
Jens Axboe214e1ec2007-03-15 10:48:13 +0100770 fio_fill_default_options(&def_thread);
Jens Axboeee738492007-01-10 11:23:16 +0100771
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100772 def_thread.o.timeout = def_timeout;
773 def_thread.o.write_bw_log = write_bw_log;
774 def_thread.o.write_lat_log = write_lat_log;
Jens Axboeee738492007-01-10 11:23:16 +0100775
Jens Axboeebac4652005-12-08 15:25:21 +0100776 return 0;
777}
778
Jens Axboeebac4652005-12-08 15:25:21 +0100779static void free_shm(void)
780{
781 struct shmid_ds sbuf;
782
783 if (threads) {
Jens Axboe5e1d3062008-05-23 11:55:53 +0200784 void *tp = threads;
785
Jens Axboeebac4652005-12-08 15:25:21 +0100786 threads = NULL;
Jens Axboe5e1d3062008-05-23 11:55:53 +0200787 file_hash_exit();
788 fio_debug_jobp = NULL;
789 shmdt(tp);
Jens Axboeebac4652005-12-08 15:25:21 +0100790 shmctl(shm_id, IPC_RMID, &sbuf);
791 }
Jens Axboe2e5cdb12008-03-01 18:52:49 +0100792
793 scleanup();
Jens Axboeebac4652005-12-08 15:25:21 +0100794}
795
Jens Axboe906c8d72006-06-13 09:37:56 +0200796/*
797 * The thread area is shared between the main process and the job
798 * threads/processes. So setup a shared memory segment that will hold
Jens Axboe380065a2008-03-01 18:56:24 +0100799 * all the job info. We use the end of the region for keeping track of
800 * open files across jobs, for file sharing.
Jens Axboe906c8d72006-06-13 09:37:56 +0200801 */
Jens Axboeebac4652005-12-08 15:25:21 +0100802static int setup_thread_area(void)
803{
Jens Axboe380065a2008-03-01 18:56:24 +0100804 void *hash;
805
Jens Axboeebac4652005-12-08 15:25:21 +0100806 /*
807 * 1024 is too much on some machines, scale max_jobs if
808 * we get a failure that looks like too large a shm segment
809 */
810 do {
Jens Axboe906c8d72006-06-13 09:37:56 +0200811 size_t size = max_jobs * sizeof(struct thread_data);
Jens Axboeebac4652005-12-08 15:25:21 +0100812
Jens Axboe380065a2008-03-01 18:56:24 +0100813 size += file_hash_size;
Jens Axboe5e1d3062008-05-23 11:55:53 +0200814 size += sizeof(unsigned int);
Jens Axboe380065a2008-03-01 18:56:24 +0100815
Jens Axboe906c8d72006-06-13 09:37:56 +0200816 shm_id = shmget(0, size, IPC_CREAT | 0600);
Jens Axboeebac4652005-12-08 15:25:21 +0100817 if (shm_id != -1)
818 break;
819 if (errno != EINVAL) {
820 perror("shmget");
821 break;
822 }
823
824 max_jobs >>= 1;
825 } while (max_jobs);
826
827 if (shm_id == -1)
828 return 1;
829
830 threads = shmat(shm_id, NULL, 0);
831 if (threads == (void *) -1) {
832 perror("shmat");
833 return 1;
834 }
835
Jens Axboe1f809d12007-10-25 18:34:02 +0200836 memset(threads, 0, max_jobs * sizeof(struct thread_data));
Jens Axboe380065a2008-03-01 18:56:24 +0100837 hash = (void *) threads + max_jobs * sizeof(struct thread_data);
Jens Axboe5e1d3062008-05-23 11:55:53 +0200838 fio_debug_jobp = (void *) hash + file_hash_size;
839 *fio_debug_jobp = -1;
Jens Axboe380065a2008-03-01 18:56:24 +0100840 file_hash_init(hash);
Jens Axboeebac4652005-12-08 15:25:21 +0100841 atexit(free_shm);
842 return 0;
843}
844
Jens Axboe45378b32007-12-19 13:54:38 +0100845static void usage(const char *name)
Jens Axboeb4692822006-10-27 13:43:22 +0200846{
Jens Axboe214e1ec2007-03-15 10:48:13 +0100847 printf("%s\n", fio_version_string);
Jens Axboe45378b32007-12-19 13:54:38 +0100848 printf("%s [options] [job options] <job file(s)>\n", name);
Jens Axboeee56ad52008-02-01 10:30:20 +0100849 printf("\t--debug=options\tEnable debug logging\n");
Jens Axboe214e1ec2007-03-15 10:48:13 +0100850 printf("\t--output\tWrite output to file\n");
851 printf("\t--timeout\tRuntime in seconds\n");
852 printf("\t--latency-log\tGenerate per-job latency logs\n");
853 printf("\t--bandwidth-log\tGenerate per-job bandwidth logs\n");
854 printf("\t--minimal\tMinimal (terse) output\n");
855 printf("\t--version\tPrint version info and exit\n");
856 printf("\t--help\t\tPrint this page\n");
Jens Axboe5ec10ea2008-03-06 15:42:00 +0100857 printf("\t--cmdhelp=cmd\tPrint command help, \"all\" for all of"
858 " them\n");
Jens Axboecca73aa2007-04-04 11:09:19 +0200859 printf("\t--showcmd\tTurn a job file into command line options\n");
Aaron Carrolle592a062007-09-14 09:49:41 +0200860 printf("\t--eta=when\tWhen ETA estimate should be printed\n");
861 printf("\t \tMay be \"always\", \"never\" or \"auto\"\n");
Jens Axboe5ec10ea2008-03-06 15:42:00 +0100862 printf("\t--readonly\tTurn on safety read-only checks, preventing"
863 " writes\n");
Jens Axboe01f06b62008-02-18 20:53:47 +0100864 printf("\t--section=name\tOnly run specified section in job file\n");
Jens Axboe2b386d22008-03-26 10:32:57 +0100865 printf("\t--alloc-size=kb\tSet smalloc pool to this size in kb"
866 " (def 1024)\n");
Jens Axboeb4692822006-10-27 13:43:22 +0200867}
868
Jens Axboe79e48f72008-02-01 20:37:09 +0100869#ifdef FIO_INC_DEBUG
Jens Axboeee56ad52008-02-01 10:30:20 +0100870struct debug_level debug_levels[] = {
Jens Axboebd6f78b2008-02-01 20:27:52 +0100871 { .name = "process", .shift = FD_PROCESS, },
872 { .name = "file", .shift = FD_FILE, },
873 { .name = "io", .shift = FD_IO, },
874 { .name = "mem", .shift = FD_MEM, },
875 { .name = "blktrace", .shift = FD_BLKTRACE },
876 { .name = "verify", .shift = FD_VERIFY },
Jens Axboe84422ac2008-02-19 20:10:26 +0100877 { .name = "random", .shift = FD_RANDOM },
Jens Axboea3d741f2008-02-27 18:32:33 +0100878 { .name = "parse", .shift = FD_PARSE },
Jens Axboecd991b92008-03-07 13:19:35 +0100879 { .name = "diskutil", .shift = FD_DISKUTIL },
Jens Axboe5e1d3062008-05-23 11:55:53 +0200880 { .name = "job", .shift = FD_JOB },
Jens Axboe02444ad2008-10-07 11:33:00 +0200881 { .name = NULL, },
Jens Axboeee56ad52008-02-01 10:30:20 +0100882};
883
Jens Axboec09823a2008-02-19 20:16:57 +0100884static int set_debug(const char *string)
Jens Axboeee56ad52008-02-01 10:30:20 +0100885{
886 struct debug_level *dl;
887 char *p = (char *) string;
888 char *opt;
889 int i;
890
891 if (!strcmp(string, "?") || !strcmp(string, "help")) {
892 int i;
893
894 log_info("fio: dumping debug options:");
895 for (i = 0; debug_levels[i].name; i++) {
896 dl = &debug_levels[i];
897 log_info("%s,", dl->name);
898 }
Jens Axboebd6f78b2008-02-01 20:27:52 +0100899 log_info("all\n");
Jens Axboec09823a2008-02-19 20:16:57 +0100900 return 1;
Jens Axboeee56ad52008-02-01 10:30:20 +0100901 }
902
903 while ((opt = strsep(&p, ",")) != NULL) {
904 int found = 0;
905
Jens Axboe5e1d3062008-05-23 11:55:53 +0200906 if (!strncmp(opt, "all", 3)) {
907 log_info("fio: set all debug options\n");
908 fio_debug = ~0UL;
909 continue;
910 }
911
Jens Axboeee56ad52008-02-01 10:30:20 +0100912 for (i = 0; debug_levels[i].name; i++) {
913 dl = &debug_levels[i];
Jens Axboe5e1d3062008-05-23 11:55:53 +0200914 found = !strncmp(opt, dl->name, strlen(dl->name));
915 if (!found)
916 continue;
917
918 if (dl->shift == FD_JOB) {
919 opt = strchr(opt, ':');
920 if (!opt) {
921 log_err("fio: missing job number\n");
922 break;
923 }
924 opt++;
925 fio_debug_jobno = atoi(opt);
926 log_info("fio: set debug jobno %d\n",
927 fio_debug_jobno);
928 } else {
Jens Axboeee56ad52008-02-01 10:30:20 +0100929 log_info("fio: set debug option %s\n", opt);
Jens Axboebd6f78b2008-02-01 20:27:52 +0100930 fio_debug |= (1UL << dl->shift);
Jens Axboeee56ad52008-02-01 10:30:20 +0100931 }
Jens Axboe5e1d3062008-05-23 11:55:53 +0200932 break;
Jens Axboeee56ad52008-02-01 10:30:20 +0100933 }
934
935 if (!found)
936 log_err("fio: debug mask %s not found\n", opt);
937 }
Jens Axboec09823a2008-02-19 20:16:57 +0100938 return 0;
Jens Axboeee56ad52008-02-01 10:30:20 +0100939}
Jens Axboe79e48f72008-02-01 20:37:09 +0100940#else
Jens Axboe69b98d42008-05-30 22:25:32 +0200941static int set_debug(const char *string)
Jens Axboe79e48f72008-02-01 20:37:09 +0100942{
943 log_err("fio: debug tracing not included in build\n");
Jens Axboec09823a2008-02-19 20:16:57 +0100944 return 1;
Jens Axboe79e48f72008-02-01 20:37:09 +0100945}
946#endif
Jens Axboeee56ad52008-02-01 10:30:20 +0100947
Jens Axboe214e1ec2007-03-15 10:48:13 +0100948static int parse_cmd_line(int argc, char *argv[])
949{
950 struct thread_data *td = NULL;
Jens Axboec09823a2008-02-19 20:16:57 +0100951 int c, ini_idx = 0, lidx, ret = 0, do_exit = 0, exit_val = 0;
Jens Axboe214e1ec2007-03-15 10:48:13 +0100952
Jens Axboe5ec10ea2008-03-06 15:42:00 +0100953 while ((c = getopt_long_only(argc, argv, "", l_opts, &lidx)) != -1) {
Jens Axboe214e1ec2007-03-15 10:48:13 +0100954 switch (c) {
Jens Axboe2b386d22008-03-26 10:32:57 +0100955 case 'a':
956 smalloc_pool_size = atoi(optarg);
957 break;
Jens Axboe214e1ec2007-03-15 10:48:13 +0100958 case 't':
959 def_timeout = atoi(optarg);
960 break;
961 case 'l':
962 write_lat_log = 1;
963 break;
964 case 'w':
965 write_bw_log = 1;
966 break;
967 case 'o':
968 f_out = fopen(optarg, "w+");
969 if (!f_out) {
970 perror("fopen output");
971 exit(1);
972 }
973 f_err = f_out;
974 break;
975 case 'm':
976 terse_output = 1;
977 break;
978 case 'h':
Jens Axboe45378b32007-12-19 13:54:38 +0100979 usage(argv[0]);
Jens Axboe214e1ec2007-03-15 10:48:13 +0100980 exit(0);
981 case 'c':
982 exit(fio_show_option_help(optarg));
Jens Axboecca73aa2007-04-04 11:09:19 +0200983 case 's':
984 dump_cmdline = 1;
985 break;
Jens Axboe724e4432007-09-11 20:02:05 +0200986 case 'r':
987 read_only = 1;
988 break;
Jens Axboe214e1ec2007-03-15 10:48:13 +0100989 case 'v':
990 printf("%s\n", fio_version_string);
991 exit(0);
Aaron Carrolle592a062007-09-14 09:49:41 +0200992 case 'e':
993 if (!strcmp("always", optarg))
994 eta_print = FIO_ETA_ALWAYS;
995 else if (!strcmp("never", optarg))
996 eta_print = FIO_ETA_NEVER;
997 break;
Jens Axboeee56ad52008-02-01 10:30:20 +0100998 case 'd':
Jens Axboec09823a2008-02-19 20:16:57 +0100999 if (set_debug(optarg))
1000 do_exit++;
Jens Axboeee56ad52008-02-01 10:30:20 +01001001 break;
Jens Axboe01f06b62008-02-18 20:53:47 +01001002 case 'x':
1003 if (!strcmp(optarg, "global")) {
Jens Axboe5ec10ea2008-03-06 15:42:00 +01001004 log_err("fio: can't use global as only "
1005 "section\n");
Jens Axboec09823a2008-02-19 20:16:57 +01001006 do_exit++;
1007 exit_val = 1;
Jens Axboe01f06b62008-02-18 20:53:47 +01001008 break;
1009 }
1010 if (job_section)
1011 free(job_section);
1012 job_section = strdup(optarg);
1013 break;
Jens Axboe214e1ec2007-03-15 10:48:13 +01001014 case FIO_GETOPT_JOB: {
Jens Axboe5ec10ea2008-03-06 15:42:00 +01001015 const char *opt = l_opts[lidx].name;
Jens Axboe214e1ec2007-03-15 10:48:13 +01001016 char *val = optarg;
1017
1018 if (!strncmp(opt, "name", 4) && td) {
Jens Axboe2dc1bbe2007-03-15 15:01:33 +01001019 ret = add_job(td, td->o.name ?: "fio", 0);
Jens Axboe214e1ec2007-03-15 10:48:13 +01001020 if (ret) {
1021 put_job(td);
1022 return 0;
1023 }
1024 td = NULL;
1025 }
1026 if (!td) {
Jens Axboe01f06b62008-02-18 20:53:47 +01001027 int is_section = !strncmp(opt, "name", 4);
Jens Axboe3106f222007-04-19 09:53:28 +02001028 int global = 0;
1029
Jens Axboe01f06b62008-02-18 20:53:47 +01001030 if (!is_section || !strncmp(val, "global", 6))
Jens Axboe3106f222007-04-19 09:53:28 +02001031 global = 1;
Jens Axboe214e1ec2007-03-15 10:48:13 +01001032
Jens Axboe01f06b62008-02-18 20:53:47 +01001033 if (is_section && skip_this_section(val))
1034 continue;
1035
Jens Axboe214e1ec2007-03-15 10:48:13 +01001036 td = get_new_job(global, &def_thread);
1037 if (!td)
1038 return 0;
1039 }
1040
1041 ret = fio_cmd_option_parse(td, opt, val);
Jens Axboe214e1ec2007-03-15 10:48:13 +01001042 break;
1043 }
1044 default:
Jens Axboec09823a2008-02-19 20:16:57 +01001045 do_exit++;
1046 exit_val = 1;
Jens Axboe214e1ec2007-03-15 10:48:13 +01001047 break;
1048 }
1049 }
1050
Jens Axboec09823a2008-02-19 20:16:57 +01001051 if (do_exit)
1052 exit(exit_val);
Jens Axboe536582b2008-02-18 20:26:32 +01001053
Jens Axboe214e1ec2007-03-15 10:48:13 +01001054 if (td) {
Jens Axboe7d6a8902008-02-18 20:59:18 +01001055 if (!ret)
Jens Axboe2dc1bbe2007-03-15 15:01:33 +01001056 ret = add_job(td, td->o.name ?: "fio", 0);
Jens Axboe7d6a8902008-02-18 20:59:18 +01001057 if (ret)
1058 put_job(td);
Jens Axboe214e1ec2007-03-15 10:48:13 +01001059 }
1060
1061 while (optind < argc) {
1062 ini_idx++;
1063 ini_file = realloc(ini_file, ini_idx * sizeof(char *));
1064 ini_file[ini_idx - 1] = strdup(argv[optind]);
1065 optind++;
1066 }
1067
1068 return ini_idx;
1069}
1070
Jens Axboeebac4652005-12-08 15:25:21 +01001071int parse_options(int argc, char *argv[])
1072{
Jens Axboe972cfd22006-06-09 11:08:56 +02001073 int job_files, i;
1074
Jens Axboeb4692822006-10-27 13:43:22 +02001075 f_out = stdout;
1076 f_err = stderr;
1077
Jens Axboe5ec10ea2008-03-06 15:42:00 +01001078 fio_options_dup_and_init(l_opts);
Jens Axboeb4692822006-10-27 13:43:22 +02001079
Jens Axboeebac4652005-12-08 15:25:21 +01001080 if (setup_thread_area())
1081 return 1;
1082 if (fill_def_thread())
1083 return 1;
1084
Jens Axboe972cfd22006-06-09 11:08:56 +02001085 job_files = parse_cmd_line(argc, argv);
Jens Axboeebac4652005-12-08 15:25:21 +01001086
Jens Axboe972cfd22006-06-09 11:08:56 +02001087 for (i = 0; i < job_files; i++) {
1088 if (fill_def_thread())
1089 return 1;
Jens Axboe0c7e37a2006-06-13 14:53:38 +02001090 if (parse_jobs_ini(ini_file[i], i))
Jens Axboe972cfd22006-06-09 11:08:56 +02001091 return 1;
Jens Axboe88c6ed82006-06-09 11:28:10 +02001092 free(ini_file[i]);
Jens Axboe972cfd22006-06-09 11:08:56 +02001093 }
Jens Axboeebac4652005-12-08 15:25:21 +01001094
Jens Axboe88c6ed82006-06-09 11:28:10 +02001095 free(ini_file);
Jens Axboed23bb322007-03-23 15:57:56 +01001096 options_mem_free(&def_thread);
Jens Axboeb4692822006-10-27 13:43:22 +02001097
1098 if (!thread_number) {
Jens Axboecca73aa2007-04-04 11:09:19 +02001099 if (dump_cmdline)
1100 return 0;
1101
Jens Axboeb4692822006-10-27 13:43:22 +02001102 log_err("No jobs defined(s)\n");
Jens Axboe45378b32007-12-19 13:54:38 +01001103 usage(argv[0]);
Jens Axboeb4692822006-10-27 13:43:22 +02001104 return 1;
1105 }
1106
Jens Axboeebac4652005-12-08 15:25:21 +01001107 return 0;
1108}