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Jens Axboeebac4652005-12-08 15:25:21 +01001#ifndef FIO_H
2#define FIO_H
3
4#include <sched.h>
5#include <limits.h>
6#include <pthread.h>
7#include <sys/time.h>
8#include <sys/resource.h>
Jens Axboe3c39a372006-06-06 20:56:12 +02009#include <errno.h>
10#include <stdlib.h>
11#include <stdio.h>
Jens Axboe6d6f0312006-06-07 21:39:13 +020012#include <unistd.h>
Jens Axboe34cfcda2006-11-03 14:00:45 +010013#include <string.h>
Jens Axboecd14cc12007-07-30 10:59:33 +020014#include <inttypes.h>
Jens Axboe7101d9c2007-09-12 13:12:39 +020015#include <assert.h>
Jens Axboeebac4652005-12-08 15:25:21 +010016
Bruce Cranecc314b2011-01-04 10:59:30 +010017struct thread_data;
18
Jens Axboe317b95d2007-04-02 21:36:44 +020019#include "compiler/compiler.h"
Jens Axboe01743ee2008-06-02 12:19:19 +020020#include "flist.h"
Jens Axboee2887562007-05-16 09:25:09 +020021#include "fifo.h"
Jens Axboe4b878982007-03-26 09:32:22 +020022#include "rbtree.h"
Jens Axboe317b95d2007-04-02 21:36:44 +020023#include "arch/arch.h"
24#include "os/os.h"
Jens Axboe07739b52007-03-08 20:25:46 +010025#include "mutex.h"
Jens Axboea3d741f2008-02-27 18:32:33 +010026#include "log.h"
27#include "debug.h"
Jens Axboed6aed792009-06-03 08:41:15 +020028#include "file.h"
29#include "io_ddir.h"
Jens Axboedcefb582009-06-03 08:49:39 +020030#include "ioengine.h"
Jens Axboe5995a6a2009-06-03 08:53:28 +020031#include "iolog.h"
Jens Axboec5c8bd52009-11-24 13:01:41 +010032#include "helpers.h"
Jens Axboe07b32322010-03-05 09:48:44 +010033#include "options.h"
Jens Axboe7eb36572010-03-08 13:58:49 +010034#include "profile.h"
Jens Axboec223da82010-03-24 13:23:53 +010035#include "time.h"
Cigy Cyriacbf2e8212010-08-10 19:51:11 -040036#include "lib/getopt.h"
Jens Axboe2615cc42011-03-28 09:35:09 +020037#include "lib/rand.h"
Jens Axboeebac4652005-12-08 15:25:21 +010038
Davide Libenzi609342f2007-03-21 08:46:18 +010039#ifdef FIO_HAVE_GUASI
40#include <guasi.h>
41#endif
42
Jens Axboe417f0062008-06-02 11:59:30 +020043#ifdef FIO_HAVE_SOLARISAIO
44#include <sys/asynch.h>
45#endif
46
Jens Axboeebac4652005-12-08 15:25:21 +010047struct group_run_stats {
Jens Axboe9104f872005-12-28 23:50:45 +010048 unsigned long long max_run[2], min_run[2];
49 unsigned long long max_bw[2], min_bw[2];
Jens Axboee9b2a3f2006-06-06 15:38:33 +020050 unsigned long long io_kb[2];
Jens Axboe9104f872005-12-28 23:50:45 +010051 unsigned long long agg[2];
Jens Axboe90fef2d2009-07-17 22:33:32 +020052 unsigned int kb_base;
Jens Axboeebac4652005-12-08 15:25:21 +010053};
54
Jens Axboee9c047a2006-06-07 21:13:04 +020055/*
56 * What type of allocation to use for io buffers
57 */
58enum fio_memtype {
59 MEM_MALLOC = 0, /* ordinary malloc */
60 MEM_SHM, /* use shared memory segments */
Jens Axboe74b025b2006-12-19 15:18:14 +010061 MEM_SHMHUGE, /* use shared memory segments with huge pages */
Jens Axboee9c047a2006-06-07 21:13:04 +020062 MEM_MMAP, /* use anonynomous mmap */
Jens Axboed0bdaf42006-12-20 14:40:44 +010063 MEM_MMAPHUGE, /* memory mapped huge file */
Jens Axboee9c047a2006-06-07 21:13:04 +020064};
65
Jens Axboeb2560f32007-03-06 12:43:03 +010066/*
Jens Axboe38dad622010-07-20 14:46:00 -060067 * offset generator types
68 */
69enum {
70 RW_SEQ_SEQ = 0,
71 RW_SEQ_IDENT,
72};
73
74/*
Jens Axboeb2560f32007-03-06 12:43:03 +010075 * How many depth levels to log
76 */
David Nellansbb067552010-09-23 08:46:16 +020077#define FIO_IO_U_MAP_NR 7
Jens Axboea9a18a32007-07-06 14:09:49 +020078#define FIO_IO_U_LAT_U_NR 10
79#define FIO_IO_U_LAT_M_NR 12
Jens Axboeb2560f32007-03-06 12:43:03 +010080
Radha Ramachandran0e92f872009-10-27 20:14:27 +010081#define MAX_PATTERN_SIZE 512
82
Jens Axboe079ad092007-02-20 13:58:20 +010083struct thread_stat {
Jens Axboe756867b2007-03-06 15:19:24 +010084 char *name;
85 char *verror;
86 int error;
87 int groupid;
88 pid_t pid;
89 char *description;
Jens Axboe6586ee82007-03-06 19:46:09 +010090 int members;
Jens Axboe756867b2007-03-06 15:19:24 +010091
Jens Axboe079ad092007-02-20 13:58:20 +010092 struct io_log *slat_log;
93 struct io_log *clat_log;
Jens Axboe02af0982010-06-24 09:59:34 +020094 struct io_log *lat_log;
Jens Axboe079ad092007-02-20 13:58:20 +010095 struct io_log *bw_log;
96
97 /*
98 * bandwidth and latency stats
99 */
100 struct io_stat clat_stat[2]; /* completion latency */
101 struct io_stat slat_stat[2]; /* submission latency */
Jens Axboe02af0982010-06-24 09:59:34 +0200102 struct io_stat lat_stat[2]; /* total latency */
Jens Axboe079ad092007-02-20 13:58:20 +0100103 struct io_stat bw_stat[2]; /* bandwidth stats */
104
105 unsigned long long stat_io_bytes[2];
106 struct timeval stat_sample_time[2];
107
108 /*
109 * fio system usage accounting
110 */
111 struct rusage ru_start;
112 struct rusage ru_end;
113 unsigned long usr_time;
114 unsigned long sys_time;
115 unsigned long ctx;
Jens Axboe81887d52007-09-07 20:36:08 +0200116 unsigned long minf, majf;
Jens Axboe079ad092007-02-20 13:58:20 +0100117
Jens Axboeb2560f32007-03-06 12:43:03 +0100118 /*
119 * IO depth and latency stats
120 */
121 unsigned int io_u_map[FIO_IO_U_MAP_NR];
Jens Axboe838bc702008-05-22 13:08:23 +0200122 unsigned int io_u_submit[FIO_IO_U_MAP_NR];
123 unsigned int io_u_complete[FIO_IO_U_MAP_NR];
Jens Axboe04a0fea2007-06-19 12:48:41 +0200124 unsigned int io_u_lat_u[FIO_IO_U_LAT_U_NR];
125 unsigned int io_u_lat_m[FIO_IO_U_LAT_M_NR];
Jens Axboe0d29de82010-09-01 13:54:15 +0200126 unsigned long total_io_u[3];
127 unsigned long short_io_u[3];
Jens Axboe838bc702008-05-22 13:08:23 +0200128 unsigned long total_submit;
129 unsigned long total_complete;
Jens Axboe756867b2007-03-06 15:19:24 +0100130
131 unsigned long long io_bytes[2];
Signed-off-by Steven Prattcda99fa2010-12-14 08:31:36 +0100132 unsigned long long runtime[2];
Jens Axboe756867b2007-03-06 15:19:24 +0100133 unsigned long total_run_time;
Radha Ramachandranf2bba182009-06-15 08:40:16 +0200134
135 /*
136 * IO Error related stats
137 */
138 unsigned continue_on_error;
139 unsigned long total_err_count;
140 int first_error;
Jens Axboe90fef2d2009-07-17 22:33:32 +0200141
142 unsigned int kb_base;
Jens Axboeb2560f32007-03-06 12:43:03 +0100143};
Jens Axboe71619dc2007-01-13 23:56:33 +0100144
Jens Axboe564ca972007-12-14 12:21:19 +0100145struct bssplit {
146 unsigned int bs;
147 unsigned char perc;
148};
149
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100150struct thread_options {
Jens Axboeb1ec1da2007-02-23 10:29:16 +0100151 int pad;
Jens Axboe61697c32007-02-05 15:04:46 +0100152 char *description;
Jens Axboeb4692822006-10-27 13:43:22 +0200153 char *name;
Jens Axboeef899b62006-06-06 09:31:00 +0200154 char *directory;
Jens Axboe13f8e2d2006-10-24 09:29:45 +0200155 char *filename;
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100156 char *opendir;
Jens Axboe09629a92007-03-09 09:00:06 +0100157 char *ioengine;
Jens Axboe413dd452007-02-23 09:26:09 +0100158 enum td_ddir td_ddir;
Jens Axboe38dad622010-07-20 14:46:00 -0600159 unsigned int rw_seq;
Jens Axboe90fef2d2009-07-17 22:33:32 +0200160 unsigned int kb_base;
Jens Axboe5736c102010-07-20 12:03:25 -0600161 unsigned int ddir_seq_nr;
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100162 unsigned int iodepth;
163 unsigned int iodepth_low;
164 unsigned int iodepth_batch;
Jens Axboe49504212008-06-05 09:03:30 +0200165 unsigned int iodepth_batch_complete;
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100166
167 unsigned long long size;
Shawn Lewisaa31f1f2008-01-11 09:45:11 +0100168 unsigned int fill_device;
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100169 unsigned long long file_size_low;
170 unsigned long long file_size_high;
171 unsigned long long start_offset;
172
173 unsigned int bs[2];
Jens Axboe2b7a01d2009-03-11 11:00:13 +0100174 unsigned int ba[2];
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100175 unsigned int min_bs[2];
176 unsigned int max_bs[2];
Jens Axboe720e84a2009-04-21 08:29:55 +0200177 struct bssplit *bssplit[2];
178 unsigned int bssplit_nr[2];
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100179
180 unsigned int nr_files;
181 unsigned int open_files;
Jens Axboe4d4e80f2008-03-04 10:18:56 +0100182 enum file_lock_mode file_lock_mode;
Jens Axboe29c13492008-03-01 19:25:20 +0100183 unsigned int lockfile_batch;
Jens Axboee9c047a2006-06-07 21:13:04 +0200184
Jens Axboe9158d2f2006-10-27 14:27:39 +0200185 unsigned int odirect;
186 unsigned int invalidate_cache;
187 unsigned int create_serialize;
188 unsigned int create_fsync;
Jens Axboe814452b2009-03-04 12:53:13 +0100189 unsigned int create_on_open;
Jens Axboe9158d2f2006-10-27 14:27:39 +0200190 unsigned int end_fsync;
Zhang, Yanminafad68f2009-05-20 11:30:55 +0200191 unsigned int pre_read;
Jens Axboe9158d2f2006-10-27 14:27:39 +0200192 unsigned int sync_io;
193 unsigned int verify;
Shawn Lewise84c73a2007-08-02 22:19:32 +0200194 unsigned int do_verify;
Jens Axboe160b9662007-03-27 10:59:49 +0200195 unsigned int verifysort;
Jens Axboea59e1702007-07-30 08:53:27 +0200196 unsigned int verify_interval;
197 unsigned int verify_offset;
Radha Ramachandran0e92f872009-10-27 20:14:27 +0100198 char verify_pattern[MAX_PATTERN_SIZE];
Jens Axboe90059d62007-07-30 09:33:12 +0200199 unsigned int verify_pattern_bytes;
Jens Axboea12a3b42007-08-09 10:20:54 +0200200 unsigned int verify_fatal;
Jens Axboeb463e932011-01-12 09:03:23 +0100201 unsigned int verify_dump;
Jens Axboee8462bd2009-07-06 12:59:04 +0200202 unsigned int verify_async;
Jens Axboe9e144182010-06-15 14:25:36 +0200203 unsigned long long verify_backlog;
204 unsigned int verify_batch;
Jens Axboe9158d2f2006-10-27 14:27:39 +0200205 unsigned int use_thread;
206 unsigned int unlink;
207 unsigned int do_disk_util;
208 unsigned int override_sync;
209 unsigned int rand_repeatable;
Jens Axboe2615cc42011-03-28 09:35:09 +0200210 unsigned int use_os_rand;
Jens Axboe9158d2f2006-10-27 14:27:39 +0200211 unsigned int write_lat_log;
212 unsigned int write_bw_log;
Jens Axboebb8895e2006-10-30 15:14:48 +0100213 unsigned int norandommap;
Jens Axboe2b386d22008-03-26 10:32:57 +0100214 unsigned int softrandommap;
Jens Axboe690adba2006-10-30 15:25:09 +0100215 unsigned int bs_unaligned;
Jens Axboeebb14152007-03-13 14:42:15 +0100216 unsigned int fsync_on_close;
Jens Axboee9c047a2006-06-07 21:13:04 +0200217
Jens Axboe56bb17f2006-12-20 20:27:36 +0100218 unsigned int hugepage_size;
Jens Axboea00735e2006-11-03 08:58:08 +0100219 unsigned int rw_min_bs;
Jens Axboeebac4652005-12-08 15:25:21 +0100220 unsigned int thinktime;
Jens Axboe48097d52007-02-17 06:30:44 +0100221 unsigned int thinktime_spin;
Jens Axboe9c1f7432007-01-03 20:43:19 +0100222 unsigned int thinktime_blocks;
Jens Axboeebac4652005-12-08 15:25:21 +0100223 unsigned int fsync_blocks;
Jens Axboe5f9099e2009-06-16 22:40:26 +0200224 unsigned int fdatasync_blocks;
Jens Axboe1ef2b6b2010-10-08 15:07:01 +0200225 unsigned int barrier_blocks;
Jens Axboea5737c92010-06-29 10:40:30 +0200226 unsigned long start_delay;
Jens Axboe0db26792007-05-16 08:59:27 +0200227 unsigned long long timeout;
Jens Axboe721938a2008-09-10 09:46:16 +0200228 unsigned long long ramp_time;
Jens Axboeebac4652005-12-08 15:25:21 +0100229 unsigned int overwrite;
Jens Axboeebac4652005-12-08 15:25:21 +0100230 unsigned int bw_avg_time;
Jens Axboeebac4652005-12-08 15:25:21 +0100231 unsigned int loops;
Jens Axboe20dc95c2005-12-09 10:29:35 +0100232 unsigned long long zone_size;
233 unsigned long long zone_skip;
Jens Axboee9c047a2006-06-07 21:13:04 +0200234 enum fio_memtype mem_type;
Jens Axboed529ee12009-07-01 10:33:03 +0200235 unsigned int mem_align;
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100236
Jens Axboeebac4652005-12-08 15:25:21 +0100237 unsigned int stonewall;
Jens Axboeb3d62a72007-03-20 14:23:26 +0100238 unsigned int new_group;
Jens Axboeebac4652005-12-08 15:25:21 +0100239 unsigned int numjobs;
Jens Axboeebac4652005-12-08 15:25:21 +0100240 os_cpu_mask_t cpumask;
Jens Axboe375b2692007-05-22 09:13:02 +0200241 unsigned int cpumask_set;
Jens Axboee8462bd2009-07-06 12:59:04 +0200242 os_cpu_mask_t verify_cpumask;
243 unsigned int verify_cpumask_set;
Jens Axboeaea47d42006-05-26 19:27:29 +0200244 unsigned int iolog;
Jens Axboea6ccc7b2006-06-02 10:14:15 +0200245 unsigned int rwmixcycle;
Jens Axboee47f7992007-03-21 14:05:39 +0100246 unsigned int rwmix[2];
Jens Axboeb6f4d882006-06-02 10:32:51 +0200247 unsigned int nice;
Jens Axboe0aabe162007-02-23 08:45:55 +0100248 unsigned int file_service_type;
Jens Axboeb2560f32007-03-06 12:43:03 +0100249 unsigned int group_reporting;
Jens Axboed2f3ac32007-03-22 19:24:09 +0100250 unsigned int fadvise_hint;
Jens Axboe7bc8c2c2010-01-28 11:31:31 +0100251 unsigned int fallocate;
Jens Axboee9459e52007-04-17 15:46:32 +0200252 unsigned int zero_buffers;
Jens Axboe5973caf2008-05-21 19:52:35 +0200253 unsigned int refill_buffers;
Jens Axboecf4464c2007-04-17 20:14:42 +0200254 unsigned int time_based;
Jens Axboe02af0982010-06-24 09:59:34 +0200255 unsigned int disable_lat;
Jens Axboe9520ebb2008-10-16 21:03:27 +0200256 unsigned int disable_clat;
257 unsigned int disable_slat;
258 unsigned int disable_bw;
Jens Axboe993bf482008-11-14 13:04:53 +0100259 unsigned int gtod_reduce;
Jens Axboebe4ecfd2008-12-08 14:10:52 +0100260 unsigned int gtod_cpu;
261 unsigned int gtod_offload;
Jens Axboec223da82010-03-24 13:23:53 +0100262 enum fio_cs clocksource;
David Nellans64bbb862010-08-24 22:13:30 +0200263 unsigned int no_stall;
Jens Axboe0d29de82010-09-01 13:54:15 +0200264 unsigned int trim_percentage;
265 unsigned int trim_batch;
266 unsigned int trim_zero;
267 unsigned long long trim_backlog;
Jens Axboeaea47d42006-05-26 19:27:29 +0200268
Jens Axboe076efc72006-10-27 11:24:25 +0200269 char *read_iolog_file;
270 char *write_iolog_file;
Jens Axboee3cedca2008-11-19 19:57:52 +0100271 char *bw_log_file;
272 char *lat_log_file;
David Nellansd1c46c02010-08-31 21:20:47 +0200273 char *replay_redirect;
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100274
275 /*
276 * Pre-run and post-run shell
277 */
278 char *exec_prerun;
279 char *exec_postrun;
280
Jens Axboe581e7142009-06-09 12:47:16 +0200281 unsigned int rate[2];
282 unsigned int ratemin[2];
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100283 unsigned int ratecycle;
Jens Axboe581e7142009-06-09 12:47:16 +0200284 unsigned int rate_iops[2];
285 unsigned int rate_iops_min[2];
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100286
287 char *ioscheduler;
288
289 /*
290 * CPU "io" cycle burner
291 */
292 unsigned int cpuload;
293 unsigned int cpucycle;
Radha Ramachandranf2bba182009-06-15 08:40:16 +0200294
295 /*
296 * I/O Error handling
297 */
298 unsigned int continue_on_error;
Jens Axboe9ac8a792009-11-13 21:23:07 +0100299
300 /*
301 * Benchmark profile type
302 */
Jens Axboe79d16312010-03-04 12:43:20 +0100303 char *profile;
Jens Axboea696fa22009-12-04 10:05:02 +0100304
305 /*
306 * blkio cgroup support
307 */
Jens Axboea696fa22009-12-04 10:05:02 +0100308 char *cgroup;
309 unsigned int cgroup_weight;
Vivek Goyal7de87092010-03-31 22:55:15 +0200310 unsigned int cgroup_nodelete;
Jens Axboee0b0d892009-12-08 10:10:14 +0100311
312 unsigned int uid;
313 unsigned int gid;
Jens Axboe44f29692010-03-09 20:09:44 +0100314
315 unsigned int sync_file_range;
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100316};
317
Jens Axboee4e33252007-03-21 13:07:54 +0100318#define FIO_VERROR_SIZE 128
319
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100320/*
321 * This describes a single thread/process executing a fio job.
322 */
323struct thread_data {
324 struct thread_options o;
Jens Axboee4e33252007-03-21 13:07:54 +0100325 char verror[FIO_VERROR_SIZE];
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100326 pthread_t thread;
327 int thread_number;
328 int groupid;
329 struct thread_stat ts;
Jens Axboe126d65c2008-03-01 18:04:31 +0100330 struct fio_file **files;
Jens Axboedd87b2c2009-03-04 15:28:31 +0100331 unsigned int files_size;
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100332 unsigned int files_index;
333 unsigned int nr_open_files;
Jens Axboe1020a132007-03-29 11:15:06 +0200334 unsigned int nr_done_files;
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100335 unsigned int nr_normal_files;
336 union {
337 unsigned int next_file;
338 os_random_state_t next_file_state;
339 };
340 int error;
Jens Axboe20e354e2007-07-23 14:36:16 +0200341 int done;
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100342 pid_t pid;
343 char *orig_buffer;
344 size_t orig_buffer_size;
345 volatile int terminate;
346 volatile int runstate;
347 unsigned int ioprio;
Jens Axboeac684782007-11-08 08:29:07 +0100348 unsigned int ioprio_set;
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100349 unsigned int last_was_sync;
Jens Axboe9e144182010-06-15 14:25:36 +0200350 enum fio_ddir last_ddir;
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100351
352 char *mmapfile;
353 int mmapfd;
354
Jens Axboe843a7412006-06-01 21:14:21 -0700355 void *iolog_buf;
356 FILE *iolog_f;
Jens Axboeebac4652005-12-08 15:25:21 +0100357
Jens Axboeda867742006-06-06 10:39:10 -0700358 char *sysfs_root;
Jens Axboeda867742006-06-06 10:39:10 -0700359
Jens Axboe0d29de82010-09-01 13:54:15 +0200360 unsigned long rand_seeds[7];
Jens Axboe5bfc35d2009-04-07 13:28:12 +0200361
Jens Axboe6dfd46b2006-06-07 13:57:06 +0200362 os_random_state_t bsrange_state;
363 os_random_state_t verify_state;
Jens Axboe0d29de82010-09-01 13:54:15 +0200364 os_random_state_t trim_state;
Jens Axboeebac4652005-12-08 15:25:21 +0100365
Jens Axboe9e144182010-06-15 14:25:36 +0200366 unsigned int verify_batch;
Jens Axboe0d29de82010-09-01 13:54:15 +0200367 unsigned int trim_batch;
Jens Axboe9e144182010-06-15 14:25:36 +0200368
Jens Axboeebac4652005-12-08 15:25:21 +0100369 int shm_id;
370
Jens Axboee9c047a2006-06-07 21:13:04 +0200371 /*
372 * IO engine hooks, contains everything needed to submit an io_u
373 * to any of the available IO engines.
374 */
Jens Axboe2866c822006-10-09 15:57:48 +0200375 struct ioengine_ops *io_ops;
Jens Axboeebac4652005-12-08 15:25:21 +0100376
Jens Axboee9c047a2006-06-07 21:13:04 +0200377 /*
378 * Current IO depth and list of free and busy io_u's.
379 */
Jens Axboeebac4652005-12-08 15:25:21 +0100380 unsigned int cur_depth;
Jens Axboed8005752008-05-15 09:49:09 +0200381 unsigned int io_u_queued;
Jens Axboe01743ee2008-06-02 12:19:19 +0200382 struct flist_head io_u_freelist;
383 struct flist_head io_u_busylist;
384 struct flist_head io_u_requeues;
Jens Axboee8462bd2009-07-06 12:59:04 +0200385 pthread_mutex_t io_u_lock;
386 pthread_cond_t free_cond;
387
388 /*
389 * async verify offload
390 */
391 struct flist_head verify_list;
392 pthread_t *verify_threads;
393 unsigned int nr_verify_threads;
394 pthread_cond_t verify_cond;
395 int verify_thread_exit;
Jens Axboeebac4652005-12-08 15:25:21 +0100396
Jens Axboee9c047a2006-06-07 21:13:04 +0200397 /*
398 * Rate state
399 */
Radha Ramachandranba3e4e02009-12-09 22:31:44 +0100400 unsigned long rate_nsec_cycle[2];
Jens Axboe581e7142009-06-09 12:47:16 +0200401 long rate_pending_usleep[2];
402 unsigned long rate_bytes[2];
403 unsigned long rate_blocks[2];
404 struct timeval lastrate[2];
Jens Axboeebac4652005-12-08 15:25:21 +0100405
Jens Axboeebac4652005-12-08 15:25:21 +0100406 unsigned long long total_io_size;
Jens Axboe2e3bd4c2010-05-17 12:29:57 +0200407 unsigned long long fill_device_size;
Jens Axboeebac4652005-12-08 15:25:21 +0100408
Jens Axboe755200a2007-02-19 13:08:12 +0100409 unsigned long io_issues[2];
Jens Axboe9104f872005-12-28 23:50:45 +0100410 unsigned long long io_blocks[2];
411 unsigned long long io_bytes[2];
Jens Axboe48f5abd2007-07-20 13:25:04 +0200412 unsigned long long io_skip_bytes;
Jens Axboe9104f872005-12-28 23:50:45 +0100413 unsigned long long this_io_bytes[2];
Jens Axboe079ad092007-02-20 13:58:20 +0100414 unsigned long long zone_bytes;
Jens Axboecdd18ad2008-02-27 18:58:00 +0100415 struct fio_mutex *mutex;
Jens Axboeebac4652005-12-08 15:25:21 +0100416
Jens Axboee9c047a2006-06-07 21:13:04 +0200417 /*
418 * State for random io, a bitmap of blocks done vs not done
419 */
Jens Axboe6dfd46b2006-06-07 13:57:06 +0200420 os_random_state_t random_state;
Jens Axboe2615cc42011-03-28 09:35:09 +0200421 struct frand_state __random_state;
Jens Axboeebac4652005-12-08 15:25:21 +0100422
Jens Axboeebac4652005-12-08 15:25:21 +0100423 struct timeval start; /* start of this loop */
424 struct timeval epoch; /* time job was started */
Jens Axboea61edde2007-05-15 14:29:58 +0200425 struct timeval last_issue;
Jens Axboe993bf482008-11-14 13:04:53 +0100426 struct timeval tv_cache;
427 unsigned int tv_cache_nr;
428 unsigned int tv_cache_mask;
Jens Axboe721938a2008-09-10 09:46:16 +0200429 unsigned int ramp_time_over;
Jens Axboeebac4652005-12-08 15:25:21 +0100430
Jens Axboee9c047a2006-06-07 21:13:04 +0200431 /*
Jens Axboee9c047a2006-06-07 21:13:04 +0200432 * read/write mixed workload state
433 */
Jens Axboe6dfd46b2006-06-07 13:57:06 +0200434 os_random_state_t rwmix_state;
Jens Axboee4928662008-04-07 09:19:46 +0200435 unsigned long rwmix_issues;
Jens Axboee9c047a2006-06-07 21:13:04 +0200436 enum fio_ddir rwmix_ddir;
Jens Axboe5736c102010-07-20 12:03:25 -0600437 unsigned int ddir_seq_nr;
Jens Axboea6ccc7b2006-06-02 10:14:15 +0200438
Jens Axboe4e0ba8a2006-06-06 09:36:28 +0200439 /*
Jens Axboe8de8f042007-03-27 10:36:12 +0200440 * IO history logs for verification. We use a tree for sorting,
441 * if we are overwriting. Otherwise just use a fifo.
Jens Axboee9c047a2006-06-07 21:13:04 +0200442 */
Jens Axboe4b878982007-03-26 09:32:22 +0200443 struct rb_root io_hist_tree;
Jens Axboe01743ee2008-06-02 12:19:19 +0200444 struct flist_head io_hist_list;
Jens Axboe9e144182010-06-15 14:25:36 +0200445 unsigned long io_hist_len;
Jens Axboe8de8f042007-03-27 10:36:12 +0200446
447 /*
448 * For IO replaying
449 */
Jens Axboe01743ee2008-06-02 12:19:19 +0200450 struct flist_head io_log_list;
Jens Axboe433afcb2007-02-22 10:39:01 +0100451
452 /*
Jens Axboe0d29de82010-09-01 13:54:15 +0200453 * For tracking/handling discards
454 */
455 struct flist_head trim_list;
456 unsigned long trim_entries;
457
458 /*
Jens Axboe1907dbc2007-03-12 11:44:28 +0100459 * for fileservice, how often to switch to a new file
460 */
461 unsigned int file_service_nr;
462 unsigned int file_service_left;
463 struct fio_file *file_service_file;
Jens Axboe9c60ce62007-03-15 09:14:47 +0100464
Jens Axboe44f29692010-03-09 20:09:44 +0100465 unsigned int sync_file_range_nr;
466
Jens Axboe9c60ce62007-03-15 09:14:47 +0100467 /*
468 * For generating file sizes
469 */
470 os_random_state_t file_size_state;
Radha Ramachandranf2bba182009-06-15 08:40:16 +0200471
472 /*
473 * Error counts
474 */
475 unsigned int total_err_count;
476 int first_error;
Jens Axboe15dc1932010-03-05 10:59:06 +0100477
478 /*
479 * Can be overloaded by profiles
480 */
Jens Axboe7eb36572010-03-08 13:58:49 +0100481 struct prof_io_ops prof_io_ops;
Jens Axboe58c55ba2010-03-09 12:20:08 +0100482 void *prof_data;
Jens Axboeebac4652005-12-08 15:25:21 +0100483};
484
Jens Axboe433afcb2007-02-22 10:39:01 +0100485/*
Aaron Carrolle592a062007-09-14 09:49:41 +0200486 * when should interactive ETA output be generated
487 */
488enum {
489 FIO_ETA_AUTO,
490 FIO_ETA_ALWAYS,
491 FIO_ETA_NEVER,
492};
493
Jens Axboee1161c32007-02-22 19:36:48 +0100494#define __td_verror(td, err, msg, func) \
Jens Axboeebac4652005-12-08 15:25:21 +0100495 do { \
Jens Axboe19abcd32007-02-21 20:14:33 +0100496 if ((td)->error) \
497 break; \
Jens Axboeebac4652005-12-08 15:25:21 +0100498 int e = (err); \
499 (td)->error = e; \
Radha Ramachandranf2bba182009-06-15 08:40:16 +0200500 if (!(td)->first_error) \
501 snprintf(td->verror, sizeof(td->verror) - 1, "file:%s:%d, func=%s, error=%s", __FILE__, __LINE__, (func), (msg)); \
Jens Axboeebac4652005-12-08 15:25:21 +0100502 } while (0)
503
Jens Axboeb990b5c2006-09-14 09:48:22 +0200504
Radha Ramachandranf2bba182009-06-15 08:40:16 +0200505#define td_clear_error(td) \
506 (td)->error = 0;
Jens Axboee1161c32007-02-22 19:36:48 +0100507#define td_verror(td, err, func) \
508 __td_verror((td), (err), strerror((err)), (func))
509#define td_vmsg(td, err, msg, func) \
510 __td_verror((td), (err), (msg), (func))
Jens Axboeb990b5c2006-09-14 09:48:22 +0200511
Jens Axboeebac4652005-12-08 15:25:21 +0100512extern int exitall_on_terminate;
513extern int thread_number;
Jens Axboe9cedf162007-03-12 11:29:30 +0100514extern int nr_process, nr_thread;
Jens Axboeebac4652005-12-08 15:25:21 +0100515extern int shm_id;
516extern int groupid;
Jens Axboec6ae0a52006-06-12 11:04:44 +0200517extern int terse_output;
Jens Axboe53cdc682006-10-18 11:50:58 +0200518extern int temp_stall_ts;
Jens Axboe1e97cce2006-12-05 11:44:16 +0100519extern unsigned long long mlock_size;
Jens Axboecfc99db2007-03-14 10:34:47 +0100520extern unsigned long page_mask, page_size;
Jens Axboe4241ea82007-09-12 08:18:36 +0200521extern int read_only;
Aaron Carrolle592a062007-09-14 09:49:41 +0200522extern int eta_print;
Jens Axboed3eeeab2008-04-06 12:19:05 +0200523extern unsigned long done_secs;
Jens Axboe01f06b62008-02-18 20:53:47 +0100524extern char *job_section;
Jens Axboebe4ecfd2008-12-08 14:10:52 +0100525extern int fio_gtod_offload;
526extern int fio_gtod_cpu;
Jens Axboec223da82010-03-24 13:23:53 +0100527extern enum fio_cs fio_clock_source;
Jens Axboea9523c62011-01-17 16:49:54 -0700528extern int warnings_fatal;
Jens Axboeebac4652005-12-08 15:25:21 +0100529
530extern struct thread_data *threads;
531
Jens Axboe7101d9c2007-09-12 13:12:39 +0200532static inline void fio_ro_check(struct thread_data *td, struct io_u *io_u)
533{
534 assert(!(io_u->ddir == DDIR_WRITE && !td_write(td)));
535}
536
Jens Axboe0ce8b112011-01-27 22:25:29 +0100537#define BLOCKS_PER_MAP (8 * sizeof(unsigned long))
Jens Axboeaec2de22008-04-24 12:44:42 +0200538#define TO_MAP_BLOCK(f, b) (b)
539#define RAND_MAP_IDX(f, b) (TO_MAP_BLOCK(f, b) / BLOCKS_PER_MAP)
540#define RAND_MAP_BIT(f, b) (TO_MAP_BLOCK(f, b) & (BLOCKS_PER_MAP - 1))
Jens Axboeebac4652005-12-08 15:25:21 +0100541
542#define MAX_JOBS (1024)
543
Jens Axboe1ec99ee2009-06-15 12:37:30 +0200544#define td_non_fatal_error(e) ((e) == EIO || (e) == EILSEQ)
Radha Ramachandranf2bba182009-06-15 08:40:16 +0200545
546static inline void update_error_count(struct thread_data *td, int err)
547{
548 td->total_err_count++;
549 if (td->total_err_count == 1)
550 td->first_error = err;
551}
552
Jens Axboe87dc1ab2006-10-24 14:41:26 +0200553static inline int should_fsync(struct thread_data *td)
554{
555 if (td->last_was_sync)
556 return 0;
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100557 if (td->o.odirect)
Jens Axboe87dc1ab2006-10-24 14:41:26 +0200558 return 0;
Jens Axboe2dc1bbe2007-03-15 15:01:33 +0100559 if (td_write(td) || td_rw(td) || td->o.override_sync)
Jens Axboe87dc1ab2006-10-24 14:41:26 +0200560 return 1;
561
562 return 0;
563}
564
Jens Axboe1c9e06e2007-02-11 04:07:57 +0100565/*
Jens Axboe214e1ec2007-03-15 10:48:13 +0100566 * Init/option functions
Jens Axboe8914a9d2006-06-07 11:14:56 +0200567 */
Jens Axboe72cb9712007-02-20 20:54:45 +0100568extern int __must_check parse_options(int, char **);
Jens Axboe3b8b7132008-06-10 19:46:23 +0200569extern int fio_options_parse(struct thread_data *, char **, int);
Jens Axboe74929ac2009-08-05 11:42:37 +0200570extern void fio_keywords_init(void);
Jens Axboe214e1ec2007-03-15 10:48:13 +0100571extern int fio_cmd_option_parse(struct thread_data *, const char *, char *);
572extern void fio_fill_default_options(struct thread_data *);
573extern int fio_show_option_help(const char *);
574extern void fio_options_dup_and_init(struct option *);
Jens Axboed23bb322007-03-23 15:57:56 +0100575extern void options_mem_dupe(struct thread_data *);
576extern void options_mem_free(struct thread_data *);
Jens Axboe5bfc35d2009-04-07 13:28:12 +0200577extern void td_fill_rand_seeds(struct thread_data *);
Jens Axboe79d16312010-03-04 12:43:20 +0100578extern void add_job_opts(const char **);
Jens Axboe1ec3d692010-09-16 09:35:34 +0200579extern char *num2str(unsigned long, int, int, int);
580
Jens Axboe214e1ec2007-03-15 10:48:13 +0100581#define FIO_GETOPT_JOB 0x89988998
Jens Axboe07b32322010-03-05 09:48:44 +0100582#define FIO_NR_OPTIONS (FIO_MAX_OPTS + 128)
Jens Axboe8914a9d2006-06-07 11:14:56 +0200583
Jens Axboebbfd6b02006-06-07 19:42:54 +0200584/*
Jens Axboe263e5292006-10-18 15:37:01 +0200585 * ETA/status stuff
586 */
587extern void print_thread_status(void);
588extern void print_status_init(int);
589
590/*
591 * Thread life cycle. Once a thread has a runstate beyond TD_INITIALIZED, it
592 * will never back again. It may cycle between running/verififying/fsyncing.
593 * Once the thread reaches TD_EXITED, it is just waiting for the core to
594 * reap it.
595 */
596enum {
597 TD_NOT_CREATED = 0,
598 TD_CREATED,
599 TD_INITIALIZED,
Jens Axboeb29ee5b2008-09-11 10:17:26 +0200600 TD_RAMP,
Jens Axboe263e5292006-10-18 15:37:01 +0200601 TD_RUNNING,
Jens Axboeb0f65862009-05-20 11:52:15 +0200602 TD_PRE_READING,
Jens Axboe263e5292006-10-18 15:37:01 +0200603 TD_VERIFYING,
604 TD_FSYNCING,
605 TD_EXITED,
606 TD_REAPED,
607};
608
Jens Axboeb29ee5b2008-09-11 10:17:26 +0200609extern void td_set_runstate(struct thread_data *, int);
610
Jens Axboe263e5292006-10-18 15:37:01 +0200611/*
Jens Axboe2f9ade32006-10-20 11:25:52 +0200612 * Memory helpers
613 */
Jens Axboeb2fdda42007-02-20 20:52:51 +0100614extern int __must_check fio_pin_memory(void);
Jens Axboe2f9ade32006-10-20 11:25:52 +0200615extern void fio_unpin_memory(void);
Jens Axboeb2fdda42007-02-20 20:52:51 +0100616extern int __must_check allocate_io_mem(struct thread_data *);
Jens Axboe2f9ade32006-10-20 11:25:52 +0200617extern void free_io_mem(struct thread_data *);
618
619/*
Jens Axboeb29ee5b2008-09-11 10:17:26 +0200620 * Reset stats after ramp time completes
621 */
622extern void reset_all_stats(struct thread_data *);
623
624/*
Jens Axboefb7b71a2007-05-15 08:44:04 +0200625 * blktrace support
626 */
Jens Axboe5e62c222007-05-22 13:27:30 +0200627#ifdef FIO_HAVE_BLKTRACE
Jens Axboefb7b71a2007-05-15 08:44:04 +0200628extern int is_blktrace(const char *);
629extern int load_blktrace(struct thread_data *, const char *);
Jens Axboe5e62c222007-05-22 13:27:30 +0200630#endif
Jens Axboefb7b71a2007-05-15 08:44:04 +0200631
Jens Axboe2866c822006-10-09 15:57:48 +0200632/*
633 * Mark unused variables passed to ops functions as unused, to silence gcc
634 */
635#define fio_unused __attribute((__unused__))
Jens Axboe5f350952006-11-07 15:20:59 +0100636#define fio_init __attribute__((constructor))
637#define fio_exit __attribute__((destructor))
Jens Axboe2866c822006-10-09 15:57:48 +0200638
Jens Axboe34572e22006-10-20 09:33:18 +0200639#define for_each_td(td, i) \
640 for ((i) = 0, (td) = &threads[0]; (i) < (int) thread_number; (i)++, (td)++)
Jens Axboe53cdc682006-10-18 11:50:58 +0200641#define for_each_file(td, f, i) \
Jens Axboe691c8fb2008-03-07 14:26:26 +0100642 if ((td)->files_index) \
643 for ((i) = 0, (f) = (td)->files[0]; \
644 (i) < (td)->o.nr_files && ((f) = (td)->files[i]) != NULL; \
645 (i)++)
Jens Axboe53cdc682006-10-18 11:50:58 +0200646
Jens Axboe0032bf92007-02-13 17:39:56 +0100647#define fio_assert(td, cond) do { \
648 if (!(cond)) { \
Jens Axboe340fd242007-02-13 20:09:10 +0100649 int *__foo = NULL; \
Jens Axboe0032bf92007-02-13 17:39:56 +0100650 fprintf(stderr, "file:%s:%d, assert %s failed\n", __FILE__, __LINE__, #cond); \
651 (td)->runstate = TD_EXITED; \
Jens Axboe437c9b72007-02-13 18:20:37 +0100652 (td)->error = EFAULT; \
Jens Axboe340fd242007-02-13 20:09:10 +0100653 *__foo = 0; \
Jens Axboe0032bf92007-02-13 17:39:56 +0100654 } \
655} while (0)
656
Jens Axboe12d9d842008-10-16 21:26:10 +0200657static inline int fio_fill_issue_time(struct thread_data *td)
658{
659 if (td->o.read_iolog_file ||
660 !td->o.disable_clat || !td->o.disable_slat || !td->o.disable_bw)
661 return 1;
662
663 return 0;
664}
665
Jens Axboe581e7142009-06-09 12:47:16 +0200666static inline int __should_check_rate(struct thread_data *td,
667 enum fio_ddir ddir)
668{
669 struct thread_options *o = &td->o;
670
671 /*
672 * If some rate setting was given, we need to check it
673 */
674 if (o->rate[ddir] || o->ratemin[ddir] || o->rate_iops[ddir] ||
675 o->rate_iops_min[ddir])
676 return 1;
677
678 return 0;
679}
680
681static inline int should_check_rate(struct thread_data *td,
682 unsigned long *bytes_done)
683{
684 int ret = 0;
685
686 if (bytes_done[0])
687 ret |= __should_check_rate(td, 0);
688 if (bytes_done[1])
689 ret |= __should_check_rate(td, 1);
690
691 return ret;
692}
693
Jens Axboed529ee12009-07-01 10:33:03 +0200694static inline int is_power_of_2(unsigned int val)
695{
696 return (val != 0 && ((val & (val - 1)) == 0));
697}
698
Jens Axboee8462bd2009-07-06 12:59:04 +0200699/*
700 * We currently only need to do locking if we have verifier threads
701 * accessing our internal structures too
702 */
703static inline void td_io_u_lock(struct thread_data *td)
704{
705 if (td->o.verify_async)
706 pthread_mutex_lock(&td->io_u_lock);
707}
708
709static inline void td_io_u_unlock(struct thread_data *td)
710{
711 if (td->o.verify_async)
712 pthread_mutex_unlock(&td->io_u_lock);
713}
714
715static inline void td_io_u_free_notify(struct thread_data *td)
716{
717 if (td->o.verify_async)
718 pthread_cond_signal(&td->free_cond);
719}
720
Jens Axboeebac4652005-12-08 15:25:21 +0100721#endif