Add profile td init/exit with stored data
[fio.git] / fio.h
CommitLineData
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1#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>
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9#include <errno.h>
10#include <stdlib.h>
11#include <stdio.h>
6d6f031f 12#include <unistd.h>
34cfcdaf 13#include <string.h>
214e1eca 14#include <getopt.h>
cd14cc10 15#include <inttypes.h>
7101d9c2 16#include <assert.h>
ebac4655 17
317b95d0 18#include "compiler/compiler.h"
01743ee1 19#include "flist.h"
e2887563 20#include "fifo.h"
4b87898e 21#include "rbtree.h"
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22#include "arch/arch.h"
23#include "os/os.h"
07739b57 24#include "mutex.h"
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25#include "log.h"
26#include "debug.h"
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27#include "file.h"
28#include "io_ddir.h"
dcefb588 29#include "ioengine.h"
5995a6a4 30#include "iolog.h"
c5c8bd5c 31#include "helpers.h"
07b3232d 32#include "options.h"
7eb36574 33#include "profile.h"
ebac4655 34
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35#ifdef FIO_HAVE_GUASI
36#include <guasi.h>
37#endif
38
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39#ifdef FIO_HAVE_SOLARISAIO
40#include <sys/asynch.h>
41#endif
42
ebac4655 43struct group_run_stats {
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44 unsigned long long max_run[2], min_run[2];
45 unsigned long long max_bw[2], min_bw[2];
e9b2a3fa 46 unsigned long long io_kb[2];
9104f874 47 unsigned long long agg[2];
90fef2d1 48 unsigned int kb_base;
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49};
50
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51/*
52 * What type of allocation to use for io buffers
53 */
54enum fio_memtype {
55 MEM_MALLOC = 0, /* ordinary malloc */
56 MEM_SHM, /* use shared memory segments */
74b025b0 57 MEM_SHMHUGE, /* use shared memory segments with huge pages */
e9c047a0 58 MEM_MMAP, /* use anonynomous mmap */
d0bdaf49 59 MEM_MMAPHUGE, /* memory mapped huge file */
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60};
61
b2560f3c
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62/*
63 * How many depth levels to log
64 */
65#define FIO_IO_U_MAP_NR 8
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66#define FIO_IO_U_LAT_U_NR 10
67#define FIO_IO_U_LAT_M_NR 12
b2560f3c 68
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69#define MAX_PATTERN_SIZE 512
70
079ad09b 71struct thread_stat {
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72 char *name;
73 char *verror;
74 int error;
75 int groupid;
76 pid_t pid;
77 char *description;
6586ee89 78 int members;
756867bd 79
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80 struct io_log *slat_log;
81 struct io_log *clat_log;
82 struct io_log *bw_log;
83
84 /*
85 * bandwidth and latency stats
86 */
87 struct io_stat clat_stat[2]; /* completion latency */
88 struct io_stat slat_stat[2]; /* submission latency */
89 struct io_stat bw_stat[2]; /* bandwidth stats */
90
91 unsigned long long stat_io_bytes[2];
92 struct timeval stat_sample_time[2];
93
94 /*
95 * fio system usage accounting
96 */
97 struct rusage ru_start;
98 struct rusage ru_end;
99 unsigned long usr_time;
100 unsigned long sys_time;
101 unsigned long ctx;
81887d5d 102 unsigned long minf, majf;
079ad09b 103
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104 /*
105 * IO depth and latency stats
106 */
107 unsigned int io_u_map[FIO_IO_U_MAP_NR];
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108 unsigned int io_u_submit[FIO_IO_U_MAP_NR];
109 unsigned int io_u_complete[FIO_IO_U_MAP_NR];
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110 unsigned int io_u_lat_u[FIO_IO_U_LAT_U_NR];
111 unsigned int io_u_lat_m[FIO_IO_U_LAT_M_NR];
b3605062 112 unsigned long total_io_u[2];
30061b97 113 unsigned long short_io_u[2];
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114 unsigned long total_submit;
115 unsigned long total_complete;
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116
117 unsigned long long io_bytes[2];
118 unsigned long runtime[2];
119 unsigned long total_run_time;
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120
121 /*
122 * IO Error related stats
123 */
124 unsigned continue_on_error;
125 unsigned long total_err_count;
126 int first_error;
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127
128 unsigned int kb_base;
b2560f3c 129};
71619dc2 130
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131struct bssplit {
132 unsigned int bs;
133 unsigned char perc;
134};
135
2dc1bbeb 136struct thread_options {
b1ec1da6 137 int pad;
61697c37 138 char *description;
b4692828 139 char *name;
ef899b63 140 char *directory;
13f8e2d2 141 char *filename;
2dc1bbeb 142 char *opendir;
09629a90 143 char *ioengine;
413dd459 144 enum td_ddir td_ddir;
90fef2d1 145 unsigned int kb_base;
211097b2 146 unsigned int ddir_nr;
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147 unsigned int iodepth;
148 unsigned int iodepth_low;
149 unsigned int iodepth_batch;
4950421a 150 unsigned int iodepth_batch_complete;
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151
152 unsigned long long size;
aa31f1f1 153 unsigned int fill_device;
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154 unsigned long long file_size_low;
155 unsigned long long file_size_high;
156 unsigned long long start_offset;
157
158 unsigned int bs[2];
2b7a01d0 159 unsigned int ba[2];
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160 unsigned int min_bs[2];
161 unsigned int max_bs[2];
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162 struct bssplit *bssplit[2];
163 unsigned int bssplit_nr[2];
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164
165 unsigned int nr_files;
166 unsigned int open_files;
4d4e80f2 167 enum file_lock_mode file_lock_mode;
29c1349f 168 unsigned int lockfile_batch;
e9c047a0 169
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170 unsigned int odirect;
171 unsigned int invalidate_cache;
172 unsigned int create_serialize;
173 unsigned int create_fsync;
814452bd 174 unsigned int create_on_open;
9158d2f7 175 unsigned int end_fsync;
afad68f7 176 unsigned int pre_read;
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177 unsigned int sync_io;
178 unsigned int verify;
e84c73a8 179 unsigned int do_verify;
160b966d 180 unsigned int verifysort;
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181 unsigned int verify_interval;
182 unsigned int verify_offset;
0e92f873 183 char verify_pattern[MAX_PATTERN_SIZE];
90059d65 184 unsigned int verify_pattern_bytes;
a12a3b4d 185 unsigned int verify_fatal;
e8462bd8 186 unsigned int verify_async;
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187 unsigned int use_thread;
188 unsigned int unlink;
189 unsigned int do_disk_util;
190 unsigned int override_sync;
191 unsigned int rand_repeatable;
192 unsigned int write_lat_log;
193 unsigned int write_bw_log;
bb8895e0 194 unsigned int norandommap;
2b386d25 195 unsigned int softrandommap;
690adba3 196 unsigned int bs_unaligned;
ebb1415f 197 unsigned int fsync_on_close;
e9c047a0 198
56bb17f2 199 unsigned int hugepage_size;
a00735e6 200 unsigned int rw_min_bs;
ebac4655 201 unsigned int thinktime;
48097d5c 202 unsigned int thinktime_spin;
9c1f7434 203 unsigned int thinktime_blocks;
ebac4655 204 unsigned int fsync_blocks;
5f9099ea 205 unsigned int fdatasync_blocks;
ebac4655 206 unsigned int start_delay;
0db26797 207 unsigned long long timeout;
721938ae 208 unsigned long long ramp_time;
ebac4655 209 unsigned int overwrite;
ebac4655 210 unsigned int bw_avg_time;
ebac4655 211 unsigned int loops;
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212 unsigned long long zone_size;
213 unsigned long long zone_skip;
e9c047a0 214 enum fio_memtype mem_type;
d529ee19 215 unsigned int mem_align;
2dc1bbeb 216
ebac4655 217 unsigned int stonewall;
b3d62a75 218 unsigned int new_group;
ebac4655 219 unsigned int numjobs;
ebac4655 220 os_cpu_mask_t cpumask;
375b2695 221 unsigned int cpumask_set;
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222 os_cpu_mask_t verify_cpumask;
223 unsigned int verify_cpumask_set;
aea47d44 224 unsigned int iolog;
a6ccc7be 225 unsigned int rwmixcycle;
e47f799f 226 unsigned int rwmix[2];
b6f4d880 227 unsigned int nice;
0aabe160 228 unsigned int file_service_type;
b2560f3c 229 unsigned int group_reporting;
d2f3ac35 230 unsigned int fadvise_hint;
7bc8c2cf 231 unsigned int fallocate;
e9459e5a 232 unsigned int zero_buffers;
5973cafb 233 unsigned int refill_buffers;
cf4464ca 234 unsigned int time_based;
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235 unsigned int disable_clat;
236 unsigned int disable_slat;
237 unsigned int disable_bw;
993bf48b 238 unsigned int gtod_reduce;
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239 unsigned int gtod_cpu;
240 unsigned int gtod_offload;
aea47d44 241
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242 char *read_iolog_file;
243 char *write_iolog_file;
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244 char *bw_log_file;
245 char *lat_log_file;
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246
247 /*
248 * Pre-run and post-run shell
249 */
250 char *exec_prerun;
251 char *exec_postrun;
252
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253 unsigned int rate[2];
254 unsigned int ratemin[2];
2dc1bbeb 255 unsigned int ratecycle;
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256 unsigned int rate_iops[2];
257 unsigned int rate_iops_min[2];
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258
259 char *ioscheduler;
260
261 /*
262 * CPU "io" cycle burner
263 */
264 unsigned int cpuload;
265 unsigned int cpucycle;
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266
267 /*
268 * I/O Error handling
269 */
270 unsigned int continue_on_error;
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271
272 /*
273 * Benchmark profile type
274 */
79d16311 275 char *profile;
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276
277 /*
278 * blkio cgroup support
279 */
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280 char *cgroup;
281 unsigned int cgroup_weight;
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282
283 unsigned int uid;
284 unsigned int gid;
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285};
286
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287#define FIO_VERROR_SIZE 128
288
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289/*
290 * This describes a single thread/process executing a fio job.
291 */
292struct thread_data {
293 struct thread_options o;
e4e33258 294 char verror[FIO_VERROR_SIZE];
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295 pthread_t thread;
296 int thread_number;
297 int groupid;
298 struct thread_stat ts;
126d65c6 299 struct fio_file **files;
dd87b2c9 300 unsigned int files_size;
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301 unsigned int files_index;
302 unsigned int nr_open_files;
1020a139 303 unsigned int nr_done_files;
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304 unsigned int nr_normal_files;
305 union {
306 unsigned int next_file;
307 os_random_state_t next_file_state;
308 };
309 int error;
20e354ef 310 int done;
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311 pid_t pid;
312 char *orig_buffer;
313 size_t orig_buffer_size;
314 volatile int terminate;
315 volatile int runstate;
316 unsigned int ioprio;
ac684785 317 unsigned int ioprio_set;
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318 unsigned int last_was_sync;
319
320 char *mmapfile;
321 int mmapfd;
322
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323 void *iolog_buf;
324 FILE *iolog_f;
ebac4655 325
da86774e 326 char *sysfs_root;
da86774e 327
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328 unsigned long rand_seeds[6];
329
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330 os_random_state_t bsrange_state;
331 os_random_state_t verify_state;
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332
333 int shm_id;
334
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335 /*
336 * IO engine hooks, contains everything needed to submit an io_u
337 * to any of the available IO engines.
338 */
2866c82d 339 struct ioengine_ops *io_ops;
ebac4655 340
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341 /*
342 * Current IO depth and list of free and busy io_u's.
343 */
ebac4655 344 unsigned int cur_depth;
d8005759 345 unsigned int io_u_queued;
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346 struct flist_head io_u_freelist;
347 struct flist_head io_u_busylist;
348 struct flist_head io_u_requeues;
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349 pthread_mutex_t io_u_lock;
350 pthread_cond_t free_cond;
351
352 /*
353 * async verify offload
354 */
355 struct flist_head verify_list;
356 pthread_t *verify_threads;
357 unsigned int nr_verify_threads;
358 pthread_cond_t verify_cond;
359 int verify_thread_exit;
ebac4655 360
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361 /*
362 * Rate state
363 */
ba3e4e0c 364 unsigned long rate_nsec_cycle[2];
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365 long rate_pending_usleep[2];
366 unsigned long rate_bytes[2];
367 unsigned long rate_blocks[2];
368 struct timeval lastrate[2];
ebac4655 369
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370 unsigned long long total_io_size;
371
755200a3 372 unsigned long io_issues[2];
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373 unsigned long long io_blocks[2];
374 unsigned long long io_bytes[2];
48f5abd3 375 unsigned long long io_skip_bytes;
9104f874 376 unsigned long long this_io_bytes[2];
079ad09b 377 unsigned long long zone_bytes;
cdd18ad8 378 struct fio_mutex *mutex;
ebac4655 379
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380 /*
381 * State for random io, a bitmap of blocks done vs not done
382 */
6dfd46b9 383 os_random_state_t random_state;
ebac4655 384
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385 struct timeval start; /* start of this loop */
386 struct timeval epoch; /* time job was started */
a61eddec 387 struct timeval last_issue;
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388 struct timeval tv_cache;
389 unsigned int tv_cache_nr;
390 unsigned int tv_cache_mask;
721938ae 391 unsigned int ramp_time_over;
ebac4655 392
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393 /*
394 * read/write mixed workload state
395 */
6dfd46b9 396 os_random_state_t rwmix_state;
e4928662 397 unsigned long rwmix_issues;
e9c047a0 398 enum fio_ddir rwmix_ddir;
211097b2 399 unsigned int ddir_nr;
a6ccc7be 400
e9c047a0 401 /*
8de8f047
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402 * IO history logs for verification. We use a tree for sorting,
403 * if we are overwriting. Otherwise just use a fifo.
e9c047a0 404 */
4b87898e 405 struct rb_root io_hist_tree;
01743ee1 406 struct flist_head io_hist_list;
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407
408 /*
409 * For IO replaying
410 */
01743ee1 411 struct flist_head io_log_list;
433afcb4 412
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413 /*
414 * for fileservice, how often to switch to a new file
415 */
416 unsigned int file_service_nr;
417 unsigned int file_service_left;
418 struct fio_file *file_service_file;
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419
420 /*
421 * For generating file sizes
422 */
423 os_random_state_t file_size_state;
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424
425 /*
426 * Error counts
427 */
428 unsigned int total_err_count;
429 int first_error;
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430
431 /*
432 * Can be overloaded by profiles
433 */
7eb36574 434 struct prof_io_ops prof_io_ops;
58c55ba0 435 void *prof_data;
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436};
437
e592a06b
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438/*
439 * when should interactive ETA output be generated
440 */
441enum {
442 FIO_ETA_AUTO,
443 FIO_ETA_ALWAYS,
444 FIO_ETA_NEVER,
445};
446
e1161c32 447#define __td_verror(td, err, msg, func) \
ebac4655 448 do { \
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449 if ((td)->error) \
450 break; \
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451 int e = (err); \
452 (td)->error = e; \
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453 if (!(td)->first_error) \
454 snprintf(td->verror, sizeof(td->verror) - 1, "file:%s:%d, func=%s, error=%s", __FILE__, __LINE__, (func), (msg)); \
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455 } while (0)
456
b990b5c0 457
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458#define td_clear_error(td) \
459 (td)->error = 0;
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460#define td_verror(td, err, func) \
461 __td_verror((td), (err), strerror((err)), (func))
462#define td_vmsg(td, err, msg, func) \
463 __td_verror((td), (err), (msg), (func))
b990b5c0 464
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465extern int exitall_on_terminate;
466extern int thread_number;
9cedf167 467extern int nr_process, nr_thread;
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468extern int shm_id;
469extern int groupid;
c6ae0a5b 470extern int terse_output;
53cdc686 471extern int temp_stall_ts;
1e97cce9 472extern unsigned long long mlock_size;
cfc99db7 473extern unsigned long page_mask, page_size;
4241ea8f 474extern int read_only;
e592a06b 475extern int eta_print;
d3eeeabc 476extern unsigned long done_secs;
01f06b63 477extern char *job_section;
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478extern int fio_gtod_offload;
479extern int fio_gtod_cpu;
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480
481extern struct thread_data *threads;
482
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483static inline void fio_ro_check(struct thread_data *td, struct io_u *io_u)
484{
485 assert(!(io_u->ddir == DDIR_WRITE && !td_write(td)));
486}
487
de605666 488#define BLOCKS_PER_MAP (8 * sizeof(int))
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489#define TO_MAP_BLOCK(f, b) (b)
490#define RAND_MAP_IDX(f, b) (TO_MAP_BLOCK(f, b) / BLOCKS_PER_MAP)
491#define RAND_MAP_BIT(f, b) (TO_MAP_BLOCK(f, b) & (BLOCKS_PER_MAP - 1))
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492
493#define MAX_JOBS (1024)
494
1ec99eea 495#define td_non_fatal_error(e) ((e) == EIO || (e) == EILSEQ)
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496
497static inline void update_error_count(struct thread_data *td, int err)
498{
499 td->total_err_count++;
500 if (td->total_err_count == 1)
501 td->first_error = err;
502}
503
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504static inline int should_fsync(struct thread_data *td)
505{
506 if (td->last_was_sync)
507 return 0;
2dc1bbeb 508 if (td->o.odirect)
87dc1ab1 509 return 0;
2dc1bbeb 510 if (td_write(td) || td_rw(td) || td->o.override_sync)
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511 return 1;
512
513 return 0;
514}
515
6796209a
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516/*
517 * Time functions
518 */
10927316
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519extern unsigned long long utime_since(struct timeval *, struct timeval *);
520extern unsigned long long utime_since_now(struct timeval *);
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521extern unsigned long mtime_since(struct timeval *, struct timeval *);
522extern unsigned long mtime_since_now(struct timeval *);
523extern unsigned long time_since_now(struct timeval *);
263e529f 524extern unsigned long mtime_since_genesis(void);
6dd6f2cd 525extern void usec_spin(unsigned int);
6796209a 526extern void usec_sleep(struct thread_data *, unsigned long);
6043c579 527extern void fill_start_time(struct timeval *);
02bcaa8c 528extern void fio_gettime(struct timeval *, void *);
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529extern void fio_gtod_init(void);
530extern void fio_gtod_update(void);
a2f77c9f 531extern void set_genesis_time(void);
721938ae 532extern int ramp_time_over(struct thread_data *);
b29ee5b3 533extern int in_ramp_time(struct thread_data *);
6796209a 534
8914a9d8 535/*
214e1eca 536 * Init/option functions
8914a9d8 537 */
72cb971b 538extern int __must_check parse_options(int, char **);
3b8b7135 539extern int fio_options_parse(struct thread_data *, char **, int);
74929ac2 540extern void fio_keywords_init(void);
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541extern int fio_cmd_option_parse(struct thread_data *, const char *, char *);
542extern void fio_fill_default_options(struct thread_data *);
543extern int fio_show_option_help(const char *);
544extern void fio_options_dup_and_init(struct option *);
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545extern void options_mem_dupe(struct thread_data *);
546extern void options_mem_free(struct thread_data *);
5bfc35d7 547extern void td_fill_rand_seeds(struct thread_data *);
79d16311 548extern void add_job_opts(const char **);
214e1eca 549#define FIO_GETOPT_JOB 0x89988998
07b3232d 550#define FIO_NR_OPTIONS (FIO_MAX_OPTS + 128)
8914a9d8 551
263e529f
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552/*
553 * ETA/status stuff
554 */
555extern void print_thread_status(void);
556extern void print_status_init(int);
557
558/*
559 * Thread life cycle. Once a thread has a runstate beyond TD_INITIALIZED, it
560 * will never back again. It may cycle between running/verififying/fsyncing.
561 * Once the thread reaches TD_EXITED, it is just waiting for the core to
562 * reap it.
563 */
564enum {
565 TD_NOT_CREATED = 0,
566 TD_CREATED,
567 TD_INITIALIZED,
b29ee5b3 568 TD_RAMP,
263e529f 569 TD_RUNNING,
b0f65863 570 TD_PRE_READING,
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571 TD_VERIFYING,
572 TD_FSYNCING,
573 TD_EXITED,
574 TD_REAPED,
575};
576
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577extern void td_set_runstate(struct thread_data *, int);
578
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579/*
580 * Memory helpers
581 */
b2fdda43 582extern int __must_check fio_pin_memory(void);
2f9ade3c 583extern void fio_unpin_memory(void);
b2fdda43 584extern int __must_check allocate_io_mem(struct thread_data *);
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585extern void free_io_mem(struct thread_data *);
586
b29ee5b3
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587/*
588 * Reset stats after ramp time completes
589 */
590extern void reset_all_stats(struct thread_data *);
591
fb7b71a3
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592/*
593 * blktrace support
594 */
5e62c22a 595#ifdef FIO_HAVE_BLKTRACE
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596extern int is_blktrace(const char *);
597extern int load_blktrace(struct thread_data *, const char *);
5e62c22a 598#endif
fb7b71a3 599
2866c82d
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600/*
601 * Mark unused variables passed to ops functions as unused, to silence gcc
602 */
603#define fio_unused __attribute((__unused__))
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604#define fio_init __attribute__((constructor))
605#define fio_exit __attribute__((destructor))
2866c82d 606
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607#define for_each_td(td, i) \
608 for ((i) = 0, (td) = &threads[0]; (i) < (int) thread_number; (i)++, (td)++)
53cdc686 609#define for_each_file(td, f, i) \
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610 if ((td)->files_index) \
611 for ((i) = 0, (f) = (td)->files[0]; \
612 (i) < (td)->o.nr_files && ((f) = (td)->files[i]) != NULL; \
613 (i)++)
53cdc686 614
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615#define fio_assert(td, cond) do { \
616 if (!(cond)) { \
340fd243 617 int *__foo = NULL; \
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618 fprintf(stderr, "file:%s:%d, assert %s failed\n", __FILE__, __LINE__, #cond); \
619 (td)->runstate = TD_EXITED; \
437c9b71 620 (td)->error = EFAULT; \
340fd243 621 *__foo = 0; \
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622 } \
623} while (0)
624
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625static inline int fio_fill_issue_time(struct thread_data *td)
626{
627 if (td->o.read_iolog_file ||
628 !td->o.disable_clat || !td->o.disable_slat || !td->o.disable_bw)
629 return 1;
630
631 return 0;
632}
633
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634/*
635 * Cheesy number->string conversion, complete with carry rounding error.
636 */
637static inline char *num2str(unsigned long num, int maxlen, int base, int pow2)
638{
639 char postfix[] = { ' ', 'K', 'M', 'G', 'P', 'E' };
640 unsigned int thousand;
641 char *buf;
642 int i;
643
644 if (pow2)
645 thousand = 1024;
646 else
647 thousand = 1000;
648
649 buf = malloc(128);
650
651 for (i = 0; base > 1; i++)
652 base /= thousand;
653
654 do {
655 int len, carry = 0;
656
657 len = sprintf(buf, "%'lu", num);
658 if (len <= maxlen) {
659 if (i >= 1) {
660 buf[len] = postfix[i];
661 buf[len + 1] = '\0';
662 }
663 return buf;
664 }
665
666 if ((num % thousand) >= (thousand / 2))
667 carry = 1;
668
669 num /= thousand;
670 num += carry;
671 i++;
672 } while (i <= 5);
673
674 return buf;
675}
676
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677static inline int __should_check_rate(struct thread_data *td,
678 enum fio_ddir ddir)
679{
680 struct thread_options *o = &td->o;
681
682 /*
683 * If some rate setting was given, we need to check it
684 */
685 if (o->rate[ddir] || o->ratemin[ddir] || o->rate_iops[ddir] ||
686 o->rate_iops_min[ddir])
687 return 1;
688
689 return 0;
690}
691
692static inline int should_check_rate(struct thread_data *td,
693 unsigned long *bytes_done)
694{
695 int ret = 0;
696
697 if (bytes_done[0])
698 ret |= __should_check_rate(td, 0);
699 if (bytes_done[1])
700 ret |= __should_check_rate(td, 1);
701
702 return ret;
703}
704
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705static inline int is_power_of_2(unsigned int val)
706{
707 return (val != 0 && ((val & (val - 1)) == 0));
708}
709
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710/*
711 * We currently only need to do locking if we have verifier threads
712 * accessing our internal structures too
713 */
714static inline void td_io_u_lock(struct thread_data *td)
715{
716 if (td->o.verify_async)
717 pthread_mutex_lock(&td->io_u_lock);
718}
719
720static inline void td_io_u_unlock(struct thread_data *td)
721{
722 if (td->o.verify_async)
723 pthread_mutex_unlock(&td->io_u_lock);
724}
725
726static inline void td_io_u_free_notify(struct thread_data *td)
727{
728 if (td->o.verify_async)
729 pthread_cond_signal(&td->free_cond);
730}
731
ebac4655 732#endif