Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 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> |
Jens Axboe | 3c39a37 | 2006-06-06 20:56:12 +0200 | [diff] [blame] | 9 | #include <errno.h> |
| 10 | #include <stdlib.h> |
| 11 | #include <stdio.h> |
Jens Axboe | 6d6f031 | 2006-06-07 21:39:13 +0200 | [diff] [blame] | 12 | #include <unistd.h> |
Jens Axboe | 34cfcda | 2006-11-03 14:00:45 +0100 | [diff] [blame] | 13 | #include <string.h> |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 14 | #include <getopt.h> |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 15 | #include <inttypes.h> |
Jens Axboe | 7101d9c | 2007-09-12 13:12:39 +0200 | [diff] [blame] | 16 | #include <assert.h> |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 17 | |
Jens Axboe | 317b95d | 2007-04-02 21:36:44 +0200 | [diff] [blame] | 18 | #include "compiler/compiler.h" |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 19 | #include "flist.h" |
Jens Axboe | e288756 | 2007-05-16 09:25:09 +0200 | [diff] [blame] | 20 | #include "fifo.h" |
Jens Axboe | 4b87898 | 2007-03-26 09:32:22 +0200 | [diff] [blame] | 21 | #include "rbtree.h" |
Jens Axboe | 317b95d | 2007-04-02 21:36:44 +0200 | [diff] [blame] | 22 | #include "arch/arch.h" |
| 23 | #include "os/os.h" |
Jens Axboe | 07739b5 | 2007-03-08 20:25:46 +0100 | [diff] [blame] | 24 | #include "mutex.h" |
Jens Axboe | a3d741f | 2008-02-27 18:32:33 +0100 | [diff] [blame] | 25 | #include "log.h" |
| 26 | #include "debug.h" |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 27 | #include "file.h" |
| 28 | #include "io_ddir.h" |
Jens Axboe | dcefb58 | 2009-06-03 08:49:39 +0200 | [diff] [blame^] | 29 | #include "ioengine.h" |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 30 | |
Davide Libenzi | 609342f | 2007-03-21 08:46:18 +0100 | [diff] [blame] | 31 | #ifdef FIO_HAVE_GUASI |
| 32 | #include <guasi.h> |
| 33 | #endif |
| 34 | |
Jens Axboe | 417f006 | 2008-06-02 11:59:30 +0200 | [diff] [blame] | 35 | #ifdef FIO_HAVE_SOLARISAIO |
| 36 | #include <sys/asynch.h> |
| 37 | #endif |
| 38 | |
Jens Axboe | 1c9e06e | 2007-02-11 04:07:57 +0100 | [diff] [blame] | 39 | /* |
| 40 | * Use for maintaining statistics |
| 41 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 42 | struct io_stat { |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 43 | unsigned long max_val; |
| 44 | unsigned long min_val; |
| 45 | unsigned long samples; |
Jens Axboe | 6870408 | 2007-01-10 19:56:37 +0100 | [diff] [blame] | 46 | |
| 47 | double mean; |
| 48 | double S; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 49 | }; |
| 50 | |
Jens Axboe | 1c9e06e | 2007-02-11 04:07:57 +0100 | [diff] [blame] | 51 | /* |
| 52 | * A single data sample |
| 53 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 54 | struct io_sample { |
| 55 | unsigned long time; |
| 56 | unsigned long val; |
Jens Axboe | 1e97cce | 2006-12-05 11:44:16 +0100 | [diff] [blame] | 57 | enum fio_ddir ddir; |
Jens Axboe | 306ddc9 | 2009-05-18 13:08:12 +0200 | [diff] [blame] | 58 | unsigned int bs; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 59 | }; |
| 60 | |
Jens Axboe | 1c9e06e | 2007-02-11 04:07:57 +0100 | [diff] [blame] | 61 | /* |
| 62 | * Dynamically growing data sample log |
| 63 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 64 | struct io_log { |
| 65 | unsigned long nr_samples; |
| 66 | unsigned long max_samples; |
| 67 | struct io_sample *log; |
| 68 | }; |
| 69 | |
Jens Axboe | 1c9e06e | 2007-02-11 04:07:57 +0100 | [diff] [blame] | 70 | /* |
| 71 | * When logging io actions, this matches a single sent io_u |
| 72 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 73 | struct io_piece { |
Jens Axboe | 4b87898 | 2007-03-26 09:32:22 +0200 | [diff] [blame] | 74 | union { |
| 75 | struct rb_node rb_node; |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 76 | struct flist_head list; |
Jens Axboe | 4b87898 | 2007-03-26 09:32:22 +0200 | [diff] [blame] | 77 | }; |
Jens Axboe | f29b25a | 2007-07-23 08:56:43 +0200 | [diff] [blame] | 78 | union { |
| 79 | int fileno; |
| 80 | struct fio_file *file; |
| 81 | }; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 82 | unsigned long long offset; |
Jens Axboe | a4f4fdd | 2007-02-14 01:16:39 +0100 | [diff] [blame] | 83 | unsigned long len; |
Jens Axboe | 1e97cce | 2006-12-05 11:44:16 +0100 | [diff] [blame] | 84 | enum fio_ddir ddir; |
Jens Axboe | f29b25a | 2007-07-23 08:56:43 +0200 | [diff] [blame] | 85 | union { |
| 86 | unsigned long delay; |
| 87 | unsigned int file_action; |
| 88 | }; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 89 | }; |
| 90 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 91 | struct group_run_stats { |
Jens Axboe | 9104f87 | 2005-12-28 23:50:45 +0100 | [diff] [blame] | 92 | unsigned long long max_run[2], min_run[2]; |
| 93 | unsigned long long max_bw[2], min_bw[2]; |
Jens Axboe | e9b2a3f | 2006-06-06 15:38:33 +0200 | [diff] [blame] | 94 | unsigned long long io_kb[2]; |
Jens Axboe | 9104f87 | 2005-12-28 23:50:45 +0100 | [diff] [blame] | 95 | unsigned long long agg[2]; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 96 | }; |
| 97 | |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 98 | /* |
| 99 | * What type of allocation to use for io buffers |
| 100 | */ |
| 101 | enum fio_memtype { |
| 102 | MEM_MALLOC = 0, /* ordinary malloc */ |
| 103 | MEM_SHM, /* use shared memory segments */ |
Jens Axboe | 74b025b | 2006-12-19 15:18:14 +0100 | [diff] [blame] | 104 | MEM_SHMHUGE, /* use shared memory segments with huge pages */ |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 105 | MEM_MMAP, /* use anonynomous mmap */ |
Jens Axboe | d0bdaf4 | 2006-12-20 14:40:44 +0100 | [diff] [blame] | 106 | MEM_MMAPHUGE, /* memory mapped huge file */ |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 107 | }; |
| 108 | |
Jens Axboe | 2866c82 | 2006-10-09 15:57:48 +0200 | [diff] [blame] | 109 | enum fio_ioengine_flags { |
Jens Axboe | 1c9e06e | 2007-02-11 04:07:57 +0100 | [diff] [blame] | 110 | FIO_SYNCIO = 1 << 0, /* io engine has synchronous ->queue */ |
Jens Axboe | ba0fbe1 | 2007-03-09 14:34:23 +0100 | [diff] [blame] | 111 | FIO_RAWIO = 1 << 1, /* some sort of direct/raw io */ |
| 112 | FIO_DISKLESSIO = 1 << 2, /* no disk involved */ |
Jens Axboe | 0263882 | 2007-03-12 09:25:55 +0100 | [diff] [blame] | 113 | FIO_NOEXTEND = 1 << 3, /* engine can't extend file */ |
Jens Axboe | 62d984e | 2007-03-13 08:15:18 +0100 | [diff] [blame] | 114 | FIO_NODISKUTIL = 1 << 4, /* diskutil can't handle filename */ |
Jens Axboe | b67740d | 2007-07-26 12:22:30 +0200 | [diff] [blame] | 115 | FIO_UNIDIR = 1 << 5, /* engine is uni-directional */ |
Jens Axboe | 1f809d1 | 2007-10-25 18:34:02 +0200 | [diff] [blame] | 116 | FIO_NOIO = 1 << 6, /* thread does only pseudo IO */ |
Jens Axboe | ad830ed | 2008-02-18 21:11:24 +0100 | [diff] [blame] | 117 | FIO_SIGQUIT = 1 << 7, /* needs SIGQUIT to exit */ |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 118 | }; |
| 119 | |
Jens Axboe | b2560f3 | 2007-03-06 12:43:03 +0100 | [diff] [blame] | 120 | /* |
| 121 | * How many depth levels to log |
| 122 | */ |
| 123 | #define FIO_IO_U_MAP_NR 8 |
Jens Axboe | a9a18a3 | 2007-07-06 14:09:49 +0200 | [diff] [blame] | 124 | #define FIO_IO_U_LAT_U_NR 10 |
| 125 | #define FIO_IO_U_LAT_M_NR 12 |
Jens Axboe | b2560f3 | 2007-03-06 12:43:03 +0100 | [diff] [blame] | 126 | |
Jens Axboe | 079ad09 | 2007-02-20 13:58:20 +0100 | [diff] [blame] | 127 | struct thread_stat { |
Jens Axboe | 756867b | 2007-03-06 15:19:24 +0100 | [diff] [blame] | 128 | char *name; |
| 129 | char *verror; |
| 130 | int error; |
| 131 | int groupid; |
| 132 | pid_t pid; |
| 133 | char *description; |
Jens Axboe | 6586ee8 | 2007-03-06 19:46:09 +0100 | [diff] [blame] | 134 | int members; |
Jens Axboe | 756867b | 2007-03-06 15:19:24 +0100 | [diff] [blame] | 135 | |
Jens Axboe | 079ad09 | 2007-02-20 13:58:20 +0100 | [diff] [blame] | 136 | struct io_log *slat_log; |
| 137 | struct io_log *clat_log; |
| 138 | struct io_log *bw_log; |
| 139 | |
| 140 | /* |
| 141 | * bandwidth and latency stats |
| 142 | */ |
| 143 | struct io_stat clat_stat[2]; /* completion latency */ |
| 144 | struct io_stat slat_stat[2]; /* submission latency */ |
| 145 | struct io_stat bw_stat[2]; /* bandwidth stats */ |
| 146 | |
| 147 | unsigned long long stat_io_bytes[2]; |
| 148 | struct timeval stat_sample_time[2]; |
| 149 | |
| 150 | /* |
| 151 | * fio system usage accounting |
| 152 | */ |
| 153 | struct rusage ru_start; |
| 154 | struct rusage ru_end; |
| 155 | unsigned long usr_time; |
| 156 | unsigned long sys_time; |
| 157 | unsigned long ctx; |
Jens Axboe | 81887d5 | 2007-09-07 20:36:08 +0200 | [diff] [blame] | 158 | unsigned long minf, majf; |
Jens Axboe | 079ad09 | 2007-02-20 13:58:20 +0100 | [diff] [blame] | 159 | |
Jens Axboe | b2560f3 | 2007-03-06 12:43:03 +0100 | [diff] [blame] | 160 | /* |
| 161 | * IO depth and latency stats |
| 162 | */ |
| 163 | unsigned int io_u_map[FIO_IO_U_MAP_NR]; |
Jens Axboe | 838bc70 | 2008-05-22 13:08:23 +0200 | [diff] [blame] | 164 | unsigned int io_u_submit[FIO_IO_U_MAP_NR]; |
| 165 | unsigned int io_u_complete[FIO_IO_U_MAP_NR]; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 166 | unsigned int io_u_lat_u[FIO_IO_U_LAT_U_NR]; |
| 167 | unsigned int io_u_lat_m[FIO_IO_U_LAT_M_NR]; |
Jens Axboe | b360506 | 2007-03-12 14:19:47 +0100 | [diff] [blame] | 168 | unsigned long total_io_u[2]; |
Jens Axboe | 30061b9 | 2007-04-17 13:31:34 +0200 | [diff] [blame] | 169 | unsigned long short_io_u[2]; |
Jens Axboe | 838bc70 | 2008-05-22 13:08:23 +0200 | [diff] [blame] | 170 | unsigned long total_submit; |
| 171 | unsigned long total_complete; |
Jens Axboe | 756867b | 2007-03-06 15:19:24 +0100 | [diff] [blame] | 172 | |
| 173 | unsigned long long io_bytes[2]; |
| 174 | unsigned long runtime[2]; |
| 175 | unsigned long total_run_time; |
Jens Axboe | b2560f3 | 2007-03-06 12:43:03 +0100 | [diff] [blame] | 176 | }; |
Jens Axboe | 71619dc | 2007-01-13 23:56:33 +0100 | [diff] [blame] | 177 | |
Jens Axboe | 564ca97 | 2007-12-14 12:21:19 +0100 | [diff] [blame] | 178 | struct bssplit { |
| 179 | unsigned int bs; |
| 180 | unsigned char perc; |
| 181 | }; |
| 182 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 183 | struct thread_options { |
Jens Axboe | b1ec1da | 2007-02-23 10:29:16 +0100 | [diff] [blame] | 184 | int pad; |
Jens Axboe | 61697c3 | 2007-02-05 15:04:46 +0100 | [diff] [blame] | 185 | char *description; |
Jens Axboe | b469282 | 2006-10-27 13:43:22 +0200 | [diff] [blame] | 186 | char *name; |
Jens Axboe | ef899b6 | 2006-06-06 09:31:00 +0200 | [diff] [blame] | 187 | char *directory; |
Jens Axboe | 13f8e2d | 2006-10-24 09:29:45 +0200 | [diff] [blame] | 188 | char *filename; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 189 | char *opendir; |
Jens Axboe | 09629a9 | 2007-03-09 09:00:06 +0100 | [diff] [blame] | 190 | char *ioengine; |
Jens Axboe | 413dd45 | 2007-02-23 09:26:09 +0100 | [diff] [blame] | 191 | enum td_ddir td_ddir; |
Jens Axboe | 211097b | 2007-03-22 18:56:45 +0100 | [diff] [blame] | 192 | unsigned int ddir_nr; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 193 | unsigned int iodepth; |
| 194 | unsigned int iodepth_low; |
| 195 | unsigned int iodepth_batch; |
Jens Axboe | 4950421 | 2008-06-05 09:03:30 +0200 | [diff] [blame] | 196 | unsigned int iodepth_batch_complete; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 197 | |
| 198 | unsigned long long size; |
Shawn Lewis | aa31f1f | 2008-01-11 09:45:11 +0100 | [diff] [blame] | 199 | unsigned int fill_device; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 200 | unsigned long long file_size_low; |
| 201 | unsigned long long file_size_high; |
| 202 | unsigned long long start_offset; |
| 203 | |
| 204 | unsigned int bs[2]; |
Jens Axboe | 2b7a01d | 2009-03-11 11:00:13 +0100 | [diff] [blame] | 205 | unsigned int ba[2]; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 206 | unsigned int min_bs[2]; |
| 207 | unsigned int max_bs[2]; |
Jens Axboe | 720e84a | 2009-04-21 08:29:55 +0200 | [diff] [blame] | 208 | struct bssplit *bssplit[2]; |
| 209 | unsigned int bssplit_nr[2]; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 210 | |
| 211 | unsigned int nr_files; |
| 212 | unsigned int open_files; |
Jens Axboe | 4d4e80f | 2008-03-04 10:18:56 +0100 | [diff] [blame] | 213 | enum file_lock_mode file_lock_mode; |
Jens Axboe | 29c1349 | 2008-03-01 19:25:20 +0100 | [diff] [blame] | 214 | unsigned int lockfile_batch; |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 215 | |
Jens Axboe | 9158d2f | 2006-10-27 14:27:39 +0200 | [diff] [blame] | 216 | unsigned int odirect; |
| 217 | unsigned int invalidate_cache; |
| 218 | unsigned int create_serialize; |
| 219 | unsigned int create_fsync; |
Jens Axboe | 814452b | 2009-03-04 12:53:13 +0100 | [diff] [blame] | 220 | unsigned int create_on_open; |
Jens Axboe | 9158d2f | 2006-10-27 14:27:39 +0200 | [diff] [blame] | 221 | unsigned int end_fsync; |
Zhang, Yanmin | afad68f | 2009-05-20 11:30:55 +0200 | [diff] [blame] | 222 | unsigned int pre_read; |
Jens Axboe | 9158d2f | 2006-10-27 14:27:39 +0200 | [diff] [blame] | 223 | unsigned int sync_io; |
| 224 | unsigned int verify; |
Shawn Lewis | e84c73a | 2007-08-02 22:19:32 +0200 | [diff] [blame] | 225 | unsigned int do_verify; |
Jens Axboe | 160b966 | 2007-03-27 10:59:49 +0200 | [diff] [blame] | 226 | unsigned int verifysort; |
Jens Axboe | a59e170 | 2007-07-30 08:53:27 +0200 | [diff] [blame] | 227 | unsigned int verify_interval; |
| 228 | unsigned int verify_offset; |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 229 | unsigned int verify_pattern; |
| 230 | unsigned int verify_pattern_bytes; |
Jens Axboe | a12a3b4 | 2007-08-09 10:20:54 +0200 | [diff] [blame] | 231 | unsigned int verify_fatal; |
Jens Axboe | 9158d2f | 2006-10-27 14:27:39 +0200 | [diff] [blame] | 232 | unsigned int use_thread; |
| 233 | unsigned int unlink; |
| 234 | unsigned int do_disk_util; |
| 235 | unsigned int override_sync; |
| 236 | unsigned int rand_repeatable; |
| 237 | unsigned int write_lat_log; |
| 238 | unsigned int write_bw_log; |
Jens Axboe | bb8895e | 2006-10-30 15:14:48 +0100 | [diff] [blame] | 239 | unsigned int norandommap; |
Jens Axboe | 2b386d2 | 2008-03-26 10:32:57 +0100 | [diff] [blame] | 240 | unsigned int softrandommap; |
Jens Axboe | 690adba | 2006-10-30 15:25:09 +0100 | [diff] [blame] | 241 | unsigned int bs_unaligned; |
Jens Axboe | ebb1415 | 2007-03-13 14:42:15 +0100 | [diff] [blame] | 242 | unsigned int fsync_on_close; |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 243 | |
Jens Axboe | 56bb17f | 2006-12-20 20:27:36 +0100 | [diff] [blame] | 244 | unsigned int hugepage_size; |
Jens Axboe | a00735e | 2006-11-03 08:58:08 +0100 | [diff] [blame] | 245 | unsigned int rw_min_bs; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 246 | unsigned int thinktime; |
Jens Axboe | 48097d5 | 2007-02-17 06:30:44 +0100 | [diff] [blame] | 247 | unsigned int thinktime_spin; |
Jens Axboe | 9c1f743 | 2007-01-03 20:43:19 +0100 | [diff] [blame] | 248 | unsigned int thinktime_blocks; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 249 | unsigned int fsync_blocks; |
| 250 | unsigned int start_delay; |
Jens Axboe | 0db2679 | 2007-05-16 08:59:27 +0200 | [diff] [blame] | 251 | unsigned long long timeout; |
Jens Axboe | 721938a | 2008-09-10 09:46:16 +0200 | [diff] [blame] | 252 | unsigned long long ramp_time; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 253 | unsigned int overwrite; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 254 | unsigned int bw_avg_time; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 255 | unsigned int loops; |
Jens Axboe | 20dc95c | 2005-12-09 10:29:35 +0100 | [diff] [blame] | 256 | unsigned long long zone_size; |
| 257 | unsigned long long zone_skip; |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 258 | enum fio_memtype mem_type; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 259 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 260 | unsigned int stonewall; |
Jens Axboe | b3d62a7 | 2007-03-20 14:23:26 +0100 | [diff] [blame] | 261 | unsigned int new_group; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 262 | unsigned int numjobs; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 263 | os_cpu_mask_t cpumask; |
Jens Axboe | 375b269 | 2007-05-22 09:13:02 +0200 | [diff] [blame] | 264 | unsigned int cpumask_set; |
Jens Axboe | aea47d4 | 2006-05-26 19:27:29 +0200 | [diff] [blame] | 265 | unsigned int iolog; |
Jens Axboe | a6ccc7b | 2006-06-02 10:14:15 +0200 | [diff] [blame] | 266 | unsigned int rwmixcycle; |
Jens Axboe | e47f799 | 2007-03-21 14:05:39 +0100 | [diff] [blame] | 267 | unsigned int rwmix[2]; |
Jens Axboe | b6f4d88 | 2006-06-02 10:32:51 +0200 | [diff] [blame] | 268 | unsigned int nice; |
Jens Axboe | 0aabe16 | 2007-02-23 08:45:55 +0100 | [diff] [blame] | 269 | unsigned int file_service_type; |
Jens Axboe | b2560f3 | 2007-03-06 12:43:03 +0100 | [diff] [blame] | 270 | unsigned int group_reporting; |
Jens Axboe | d2f3ac3 | 2007-03-22 19:24:09 +0100 | [diff] [blame] | 271 | unsigned int fadvise_hint; |
Jens Axboe | e9459e5 | 2007-04-17 15:46:32 +0200 | [diff] [blame] | 272 | unsigned int zero_buffers; |
Jens Axboe | 5973caf | 2008-05-21 19:52:35 +0200 | [diff] [blame] | 273 | unsigned int refill_buffers; |
Jens Axboe | cf4464c | 2007-04-17 20:14:42 +0200 | [diff] [blame] | 274 | unsigned int time_based; |
Jens Axboe | 9520ebb | 2008-10-16 21:03:27 +0200 | [diff] [blame] | 275 | unsigned int disable_clat; |
| 276 | unsigned int disable_slat; |
| 277 | unsigned int disable_bw; |
Jens Axboe | 993bf48 | 2008-11-14 13:04:53 +0100 | [diff] [blame] | 278 | unsigned int gtod_reduce; |
Jens Axboe | be4ecfd | 2008-12-08 14:10:52 +0100 | [diff] [blame] | 279 | unsigned int gtod_cpu; |
| 280 | unsigned int gtod_offload; |
Jens Axboe | aea47d4 | 2006-05-26 19:27:29 +0200 | [diff] [blame] | 281 | |
Jens Axboe | 076efc7 | 2006-10-27 11:24:25 +0200 | [diff] [blame] | 282 | char *read_iolog_file; |
| 283 | char *write_iolog_file; |
Jens Axboe | e3cedca | 2008-11-19 19:57:52 +0100 | [diff] [blame] | 284 | char *bw_log_file; |
| 285 | char *lat_log_file; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 286 | |
| 287 | /* |
| 288 | * Pre-run and post-run shell |
| 289 | */ |
| 290 | char *exec_prerun; |
| 291 | char *exec_postrun; |
| 292 | |
| 293 | unsigned int rate; |
| 294 | unsigned int ratemin; |
| 295 | unsigned int ratecycle; |
| 296 | unsigned int rate_iops; |
| 297 | unsigned int rate_iops_min; |
| 298 | |
| 299 | char *ioscheduler; |
| 300 | |
| 301 | /* |
| 302 | * CPU "io" cycle burner |
| 303 | */ |
| 304 | unsigned int cpuload; |
| 305 | unsigned int cpucycle; |
| 306 | }; |
| 307 | |
Jens Axboe | e4e3325 | 2007-03-21 13:07:54 +0100 | [diff] [blame] | 308 | #define FIO_VERROR_SIZE 128 |
| 309 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 310 | /* |
| 311 | * This describes a single thread/process executing a fio job. |
| 312 | */ |
| 313 | struct thread_data { |
| 314 | struct thread_options o; |
Jens Axboe | e4e3325 | 2007-03-21 13:07:54 +0100 | [diff] [blame] | 315 | char verror[FIO_VERROR_SIZE]; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 316 | pthread_t thread; |
| 317 | int thread_number; |
| 318 | int groupid; |
| 319 | struct thread_stat ts; |
Jens Axboe | 126d65c | 2008-03-01 18:04:31 +0100 | [diff] [blame] | 320 | struct fio_file **files; |
Jens Axboe | dd87b2c | 2009-03-04 15:28:31 +0100 | [diff] [blame] | 321 | unsigned int files_size; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 322 | unsigned int files_index; |
| 323 | unsigned int nr_open_files; |
Jens Axboe | 1020a13 | 2007-03-29 11:15:06 +0200 | [diff] [blame] | 324 | unsigned int nr_done_files; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 325 | unsigned int nr_normal_files; |
| 326 | union { |
| 327 | unsigned int next_file; |
| 328 | os_random_state_t next_file_state; |
| 329 | }; |
| 330 | int error; |
Jens Axboe | 20e354e | 2007-07-23 14:36:16 +0200 | [diff] [blame] | 331 | int done; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 332 | pid_t pid; |
| 333 | char *orig_buffer; |
| 334 | size_t orig_buffer_size; |
| 335 | volatile int terminate; |
| 336 | volatile int runstate; |
| 337 | unsigned int ioprio; |
Jens Axboe | ac68478 | 2007-11-08 08:29:07 +0100 | [diff] [blame] | 338 | unsigned int ioprio_set; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 339 | unsigned int last_was_sync; |
| 340 | |
| 341 | char *mmapfile; |
| 342 | int mmapfd; |
| 343 | |
Jens Axboe | 843a741 | 2006-06-01 21:14:21 -0700 | [diff] [blame] | 344 | void *iolog_buf; |
| 345 | FILE *iolog_f; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 346 | |
Jens Axboe | da86774 | 2006-06-06 10:39:10 -0700 | [diff] [blame] | 347 | char *sysfs_root; |
Jens Axboe | da86774 | 2006-06-06 10:39:10 -0700 | [diff] [blame] | 348 | |
Jens Axboe | 5bfc35d | 2009-04-07 13:28:12 +0200 | [diff] [blame] | 349 | unsigned long rand_seeds[6]; |
| 350 | |
Jens Axboe | 6dfd46b | 2006-06-07 13:57:06 +0200 | [diff] [blame] | 351 | os_random_state_t bsrange_state; |
| 352 | os_random_state_t verify_state; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 353 | |
| 354 | int shm_id; |
| 355 | |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 356 | /* |
| 357 | * IO engine hooks, contains everything needed to submit an io_u |
| 358 | * to any of the available IO engines. |
| 359 | */ |
Jens Axboe | 2866c82 | 2006-10-09 15:57:48 +0200 | [diff] [blame] | 360 | struct ioengine_ops *io_ops; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 361 | |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 362 | /* |
| 363 | * Current IO depth and list of free and busy io_u's. |
| 364 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 365 | unsigned int cur_depth; |
Jens Axboe | d800575 | 2008-05-15 09:49:09 +0200 | [diff] [blame] | 366 | unsigned int io_u_queued; |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 367 | struct flist_head io_u_freelist; |
| 368 | struct flist_head io_u_busylist; |
| 369 | struct flist_head io_u_requeues; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 370 | |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 371 | /* |
| 372 | * Rate state |
| 373 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 374 | unsigned long rate_usec_cycle; |
| 375 | long rate_pending_usleep; |
| 376 | unsigned long rate_bytes; |
Jens Axboe | 4e991c2 | 2007-03-15 11:41:11 +0100 | [diff] [blame] | 377 | unsigned long rate_blocks; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 378 | struct timeval lastrate; |
| 379 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 380 | unsigned long long total_io_size; |
| 381 | |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 382 | unsigned long io_issues[2]; |
Jens Axboe | 9104f87 | 2005-12-28 23:50:45 +0100 | [diff] [blame] | 383 | unsigned long long io_blocks[2]; |
| 384 | unsigned long long io_bytes[2]; |
Jens Axboe | 48f5abd | 2007-07-20 13:25:04 +0200 | [diff] [blame] | 385 | unsigned long long io_skip_bytes; |
Jens Axboe | 9104f87 | 2005-12-28 23:50:45 +0100 | [diff] [blame] | 386 | unsigned long long this_io_bytes[2]; |
Jens Axboe | 079ad09 | 2007-02-20 13:58:20 +0100 | [diff] [blame] | 387 | unsigned long long zone_bytes; |
Jens Axboe | cdd18ad | 2008-02-27 18:58:00 +0100 | [diff] [blame] | 388 | struct fio_mutex *mutex; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 389 | |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 390 | /* |
| 391 | * State for random io, a bitmap of blocks done vs not done |
| 392 | */ |
Jens Axboe | 6dfd46b | 2006-06-07 13:57:06 +0200 | [diff] [blame] | 393 | os_random_state_t random_state; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 394 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 395 | struct timeval start; /* start of this loop */ |
| 396 | struct timeval epoch; /* time job was started */ |
Jens Axboe | 38d77ca | 2007-03-21 14:20:20 +0100 | [diff] [blame] | 397 | struct timeval rw_end[2]; |
Jens Axboe | a61edde | 2007-05-15 14:29:58 +0200 | [diff] [blame] | 398 | struct timeval last_issue; |
Jens Axboe | 993bf48 | 2008-11-14 13:04:53 +0100 | [diff] [blame] | 399 | struct timeval tv_cache; |
| 400 | unsigned int tv_cache_nr; |
| 401 | unsigned int tv_cache_mask; |
Jens Axboe | 38d77ca | 2007-03-21 14:20:20 +0100 | [diff] [blame] | 402 | unsigned int rw_end_set[2]; |
Jens Axboe | 721938a | 2008-09-10 09:46:16 +0200 | [diff] [blame] | 403 | unsigned int ramp_time_over; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 404 | |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 405 | /* |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 406 | * read/write mixed workload state |
| 407 | */ |
Jens Axboe | 6dfd46b | 2006-06-07 13:57:06 +0200 | [diff] [blame] | 408 | os_random_state_t rwmix_state; |
Jens Axboe | e492866 | 2008-04-07 09:19:46 +0200 | [diff] [blame] | 409 | unsigned long rwmix_issues; |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 410 | enum fio_ddir rwmix_ddir; |
Jens Axboe | 211097b | 2007-03-22 18:56:45 +0100 | [diff] [blame] | 411 | unsigned int ddir_nr; |
Jens Axboe | a6ccc7b | 2006-06-02 10:14:15 +0200 | [diff] [blame] | 412 | |
Jens Axboe | 4e0ba8a | 2006-06-06 09:36:28 +0200 | [diff] [blame] | 413 | /* |
Jens Axboe | 8de8f04 | 2007-03-27 10:36:12 +0200 | [diff] [blame] | 414 | * IO history logs for verification. We use a tree for sorting, |
| 415 | * if we are overwriting. Otherwise just use a fifo. |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 416 | */ |
Jens Axboe | 4b87898 | 2007-03-26 09:32:22 +0200 | [diff] [blame] | 417 | struct rb_root io_hist_tree; |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 418 | struct flist_head io_hist_list; |
Jens Axboe | 8de8f04 | 2007-03-27 10:36:12 +0200 | [diff] [blame] | 419 | |
| 420 | /* |
| 421 | * For IO replaying |
| 422 | */ |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 423 | struct flist_head io_log_list; |
Jens Axboe | 433afcb | 2007-02-22 10:39:01 +0100 | [diff] [blame] | 424 | |
| 425 | /* |
Jens Axboe | 1907dbc | 2007-03-12 11:44:28 +0100 | [diff] [blame] | 426 | * for fileservice, how often to switch to a new file |
| 427 | */ |
| 428 | unsigned int file_service_nr; |
| 429 | unsigned int file_service_left; |
| 430 | struct fio_file *file_service_file; |
Jens Axboe | 9c60ce6 | 2007-03-15 09:14:47 +0100 | [diff] [blame] | 431 | |
| 432 | /* |
| 433 | * For generating file sizes |
| 434 | */ |
| 435 | os_random_state_t file_size_state; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 436 | }; |
| 437 | |
Jens Axboe | 433afcb | 2007-02-22 10:39:01 +0100 | [diff] [blame] | 438 | /* |
Jens Axboe | a086c25 | 2009-03-04 08:27:37 +0100 | [diff] [blame] | 439 | * roundrobin available files, or choose one at random, or do each one |
| 440 | * serially. |
Jens Axboe | 0aabe16 | 2007-02-23 08:45:55 +0100 | [diff] [blame] | 441 | */ |
| 442 | enum { |
| 443 | FIO_FSERVICE_RANDOM = 1, |
| 444 | FIO_FSERVICE_RR = 2, |
Jens Axboe | a086c25 | 2009-03-04 08:27:37 +0100 | [diff] [blame] | 445 | FIO_FSERVICE_SEQ = 3, |
Jens Axboe | 0aabe16 | 2007-02-23 08:45:55 +0100 | [diff] [blame] | 446 | }; |
| 447 | |
| 448 | /* |
Aaron Carroll | e592a06 | 2007-09-14 09:49:41 +0200 | [diff] [blame] | 449 | * when should interactive ETA output be generated |
| 450 | */ |
| 451 | enum { |
| 452 | FIO_ETA_AUTO, |
| 453 | FIO_ETA_ALWAYS, |
| 454 | FIO_ETA_NEVER, |
| 455 | }; |
| 456 | |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 457 | #define __td_verror(td, err, msg, func) \ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 458 | do { \ |
Jens Axboe | 19abcd3 | 2007-02-21 20:14:33 +0100 | [diff] [blame] | 459 | if ((td)->error) \ |
| 460 | break; \ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 461 | int e = (err); \ |
| 462 | (td)->error = e; \ |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 463 | snprintf(td->verror, sizeof(td->verror) - 1, "file:%s:%d, func=%s, error=%s", __FILE__, __LINE__, (func), (msg)); \ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 464 | } while (0) |
| 465 | |
Jens Axboe | b990b5c | 2006-09-14 09:48:22 +0200 | [diff] [blame] | 466 | |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 467 | #define td_verror(td, err, func) \ |
| 468 | __td_verror((td), (err), strerror((err)), (func)) |
| 469 | #define td_vmsg(td, err, msg, func) \ |
| 470 | __td_verror((td), (err), (msg), (func)) |
Jens Axboe | b990b5c | 2006-09-14 09:48:22 +0200 | [diff] [blame] | 471 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 472 | extern int exitall_on_terminate; |
| 473 | extern int thread_number; |
Jens Axboe | 9cedf16 | 2007-03-12 11:29:30 +0100 | [diff] [blame] | 474 | extern int nr_process, nr_thread; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 475 | extern int shm_id; |
| 476 | extern int groupid; |
Jens Axboe | c6ae0a5 | 2006-06-12 11:04:44 +0200 | [diff] [blame] | 477 | extern int terse_output; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 478 | extern int temp_stall_ts; |
Jens Axboe | 1e97cce | 2006-12-05 11:44:16 +0100 | [diff] [blame] | 479 | extern unsigned long long mlock_size; |
Jens Axboe | cfc99db | 2007-03-14 10:34:47 +0100 | [diff] [blame] | 480 | extern unsigned long page_mask, page_size; |
Jens Axboe | 4241ea8 | 2007-09-12 08:18:36 +0200 | [diff] [blame] | 481 | extern int read_only; |
Aaron Carroll | e592a06 | 2007-09-14 09:49:41 +0200 | [diff] [blame] | 482 | extern int eta_print; |
Jens Axboe | d3eeeab | 2008-04-06 12:19:05 +0200 | [diff] [blame] | 483 | extern unsigned long done_secs; |
Jens Axboe | 01f06b6 | 2008-02-18 20:53:47 +0100 | [diff] [blame] | 484 | extern char *job_section; |
Jens Axboe | be4ecfd | 2008-12-08 14:10:52 +0100 | [diff] [blame] | 485 | extern int fio_gtod_offload; |
| 486 | extern int fio_gtod_cpu; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 487 | |
| 488 | extern struct thread_data *threads; |
| 489 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 490 | #define td_read(td) ((td)->o.td_ddir & TD_DDIR_READ) |
| 491 | #define td_write(td) ((td)->o.td_ddir & TD_DDIR_WRITE) |
| 492 | #define td_rw(td) (((td)->o.td_ddir & TD_DDIR_RW) == TD_DDIR_RW) |
| 493 | #define td_random(td) ((td)->o.td_ddir & TD_DDIR_RAND) |
Jens Axboe | 303032a | 2008-03-26 10:11:10 +0100 | [diff] [blame] | 494 | #define file_randommap(td, f) (!(td)->o.norandommap && (f)->file_map) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 495 | |
Jens Axboe | 7101d9c | 2007-09-12 13:12:39 +0200 | [diff] [blame] | 496 | static inline void fio_ro_check(struct thread_data *td, struct io_u *io_u) |
| 497 | { |
| 498 | assert(!(io_u->ddir == DDIR_WRITE && !td_write(td))); |
| 499 | } |
| 500 | |
Jens Axboe | de60566 | 2008-05-31 00:21:12 +0200 | [diff] [blame] | 501 | #define BLOCKS_PER_MAP (8 * sizeof(int)) |
Jens Axboe | aec2de2 | 2008-04-24 12:44:42 +0200 | [diff] [blame] | 502 | #define TO_MAP_BLOCK(f, b) (b) |
| 503 | #define RAND_MAP_IDX(f, b) (TO_MAP_BLOCK(f, b) / BLOCKS_PER_MAP) |
| 504 | #define RAND_MAP_BIT(f, b) (TO_MAP_BLOCK(f, b) & (BLOCKS_PER_MAP - 1)) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 505 | |
| 506 | #define MAX_JOBS (1024) |
| 507 | |
Jens Axboe | 87dc1ab | 2006-10-24 14:41:26 +0200 | [diff] [blame] | 508 | static inline int should_fsync(struct thread_data *td) |
| 509 | { |
| 510 | if (td->last_was_sync) |
| 511 | return 0; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 512 | if (td->o.odirect) |
Jens Axboe | 87dc1ab | 2006-10-24 14:41:26 +0200 | [diff] [blame] | 513 | return 0; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 514 | if (td_write(td) || td_rw(td) || td->o.override_sync) |
Jens Axboe | 87dc1ab | 2006-10-24 14:41:26 +0200 | [diff] [blame] | 515 | return 1; |
| 516 | |
| 517 | return 0; |
| 518 | } |
| 519 | |
Jens Axboe | 1c9e06e | 2007-02-11 04:07:57 +0100 | [diff] [blame] | 520 | /* |
| 521 | * Disk utils as read in /sys/block/<dev>/stat |
| 522 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 523 | struct disk_util_stat { |
| 524 | unsigned ios[2]; |
| 525 | unsigned merges[2]; |
| 526 | unsigned long long sectors[2]; |
| 527 | unsigned ticks[2]; |
| 528 | unsigned io_ticks; |
| 529 | unsigned time_in_queue; |
| 530 | }; |
| 531 | |
Jens Axboe | 1c9e06e | 2007-02-11 04:07:57 +0100 | [diff] [blame] | 532 | /* |
| 533 | * Per-device disk util management |
| 534 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 535 | struct disk_util { |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 536 | struct flist_head list; |
Shehjar Tikoo | 6742301 | 2008-09-30 10:35:44 +1000 | [diff] [blame] | 537 | /* If this disk is a slave, hook it into the master's |
| 538 | * list using this head. |
| 539 | */ |
| 540 | struct flist_head slavelist; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 541 | |
| 542 | char *name; |
Jens Axboe | e11c410 | 2007-04-03 16:33:04 -0700 | [diff] [blame] | 543 | char *sysfs_root; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 544 | char path[256]; |
Jens Axboe | 07e5b26 | 2007-04-02 14:46:07 +0200 | [diff] [blame] | 545 | int major, minor; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 546 | |
| 547 | struct disk_util_stat dus; |
| 548 | struct disk_util_stat last_dus; |
| 549 | |
Shehjar Tikoo | 6742301 | 2008-09-30 10:35:44 +1000 | [diff] [blame] | 550 | /* For software raids, this entry maintains pointers to the |
| 551 | * entries for the slave devices. The disk_util entries for |
| 552 | * the slaves devices should primarily be maintained through |
| 553 | * the disk_list list, i.e. for memory allocation and |
| 554 | * de-allocation, etc. Whereas this list should be used only |
| 555 | * for aggregating a software RAID's disk util figures. |
| 556 | */ |
| 557 | struct flist_head slaves; |
| 558 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 559 | unsigned long msec; |
| 560 | struct timeval time; |
Jens Axboe | c97bd0f | 2009-05-27 13:11:20 +0200 | [diff] [blame] | 561 | |
| 562 | struct fio_mutex *lock; |
| 563 | unsigned long users; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 564 | }; |
| 565 | |
Jens Axboe | c97bd0f | 2009-05-27 13:11:20 +0200 | [diff] [blame] | 566 | static inline void disk_util_inc(struct disk_util *du) |
| 567 | { |
| 568 | if (du) { |
| 569 | fio_mutex_down(du->lock); |
| 570 | du->users++; |
| 571 | fio_mutex_up(du->lock); |
| 572 | } |
| 573 | } |
| 574 | |
| 575 | static inline void disk_util_dec(struct disk_util *du) |
| 576 | { |
| 577 | if (du) { |
| 578 | fio_mutex_down(du->lock); |
| 579 | du->users--; |
| 580 | fio_mutex_up(du->lock); |
| 581 | } |
| 582 | } |
| 583 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 584 | #define DISK_UTIL_MSEC (250) |
| 585 | |
Jens Axboe | 6796209 | 2006-06-07 08:45:01 +0200 | [diff] [blame] | 586 | /* |
| 587 | * Log exports |
| 588 | */ |
Jens Axboe | f29b25a | 2007-07-23 08:56:43 +0200 | [diff] [blame] | 589 | enum file_log_act { |
| 590 | FIO_LOG_ADD_FILE, |
| 591 | FIO_LOG_OPEN_FILE, |
| 592 | FIO_LOG_CLOSE_FILE, |
Jens Axboe | f718273 | 2008-03-10 13:57:58 +0100 | [diff] [blame] | 593 | FIO_LOG_UNLINK_FILE, |
Jens Axboe | f29b25a | 2007-07-23 08:56:43 +0200 | [diff] [blame] | 594 | }; |
| 595 | |
Jens Axboe | 72cb971 | 2007-02-20 20:54:45 +0100 | [diff] [blame] | 596 | extern int __must_check read_iolog_get(struct thread_data *, struct io_u *); |
Jens Axboe | f29b25a | 2007-07-23 08:56:43 +0200 | [diff] [blame] | 597 | extern void log_io_u(struct thread_data *, struct io_u *); |
| 598 | extern void log_file(struct thread_data *, struct fio_file *, enum file_log_act); |
Jens Axboe | 72cb971 | 2007-02-20 20:54:45 +0100 | [diff] [blame] | 599 | extern int __must_check init_iolog(struct thread_data *td); |
Jens Axboe | 6796209 | 2006-06-07 08:45:01 +0200 | [diff] [blame] | 600 | extern void log_io_piece(struct thread_data *, struct io_u *); |
Jens Axboe | 691c8fb | 2008-03-07 14:26:26 +0100 | [diff] [blame] | 601 | extern void queue_io_piece(struct thread_data *, struct io_piece *); |
Jens Axboe | 6796209 | 2006-06-07 08:45:01 +0200 | [diff] [blame] | 602 | extern void prune_io_piece_log(struct thread_data *); |
| 603 | extern void write_iolog_close(struct thread_data *); |
| 604 | |
| 605 | /* |
| 606 | * Logging |
| 607 | */ |
Jens Axboe | 306ddc9 | 2009-05-18 13:08:12 +0200 | [diff] [blame] | 608 | extern void add_clat_sample(struct thread_data *, enum fio_ddir, unsigned long, |
| 609 | unsigned int); |
| 610 | extern void add_slat_sample(struct thread_data *, enum fio_ddir, unsigned long, |
| 611 | unsigned int); |
| 612 | extern void add_bw_sample(struct thread_data *, enum fio_ddir, unsigned int, |
| 613 | struct timeval *); |
Jens Axboe | 6796209 | 2006-06-07 08:45:01 +0200 | [diff] [blame] | 614 | extern void show_run_stats(void); |
| 615 | extern void init_disk_util(struct thread_data *); |
| 616 | extern void update_rusage_stat(struct thread_data *); |
| 617 | extern void update_io_ticks(void); |
Jens Axboe | 8914a9d | 2006-06-07 11:14:56 +0200 | [diff] [blame] | 618 | extern void setup_log(struct io_log **); |
| 619 | extern void finish_log(struct thread_data *, struct io_log *, const char *); |
Jens Axboe | e3cedca | 2008-11-19 19:57:52 +0100 | [diff] [blame] | 620 | extern void finish_log_named(struct thread_data *, struct io_log *, const char *, const char *); |
Jens Axboe | bb3884d | 2007-01-17 17:23:11 +1100 | [diff] [blame] | 621 | extern void __finish_log(struct io_log *, const char *); |
Jens Axboe | bb3884d | 2007-01-17 17:23:11 +1100 | [diff] [blame] | 622 | extern struct io_log *agg_io_log[2]; |
| 623 | extern int write_bw_log; |
Jens Axboe | 306ddc9 | 2009-05-18 13:08:12 +0200 | [diff] [blame] | 624 | extern void add_agg_sample(unsigned long, enum fio_ddir, unsigned int); |
Jens Axboe | 6796209 | 2006-06-07 08:45:01 +0200 | [diff] [blame] | 625 | |
| 626 | /* |
| 627 | * Time functions |
| 628 | */ |
Shawn Lewis | 1092731 | 2007-11-21 09:38:13 +0100 | [diff] [blame] | 629 | extern unsigned long long utime_since(struct timeval *, struct timeval *); |
| 630 | extern unsigned long long utime_since_now(struct timeval *); |
Jens Axboe | 6796209 | 2006-06-07 08:45:01 +0200 | [diff] [blame] | 631 | extern unsigned long mtime_since(struct timeval *, struct timeval *); |
| 632 | extern unsigned long mtime_since_now(struct timeval *); |
| 633 | extern unsigned long time_since_now(struct timeval *); |
Jens Axboe | 263e529 | 2006-10-18 15:37:01 +0200 | [diff] [blame] | 634 | extern unsigned long mtime_since_genesis(void); |
Jens Axboe | 6dd6f2c | 2008-12-10 13:24:12 +0100 | [diff] [blame] | 635 | extern void usec_spin(unsigned int); |
Jens Axboe | 6796209 | 2006-06-07 08:45:01 +0200 | [diff] [blame] | 636 | extern void usec_sleep(struct thread_data *, unsigned long); |
Jens Axboe | 413dd45 | 2007-02-23 09:26:09 +0100 | [diff] [blame] | 637 | extern void rate_throttle(struct thread_data *, unsigned long, unsigned int); |
Jens Axboe | 6043c57 | 2006-11-03 11:37:47 +0100 | [diff] [blame] | 638 | extern void fill_start_time(struct timeval *); |
Jens Axboe | 02bcaa8 | 2006-11-24 10:42:00 +0100 | [diff] [blame] | 639 | extern void fio_gettime(struct timeval *, void *); |
Jens Axboe | be4ecfd | 2008-12-08 14:10:52 +0100 | [diff] [blame] | 640 | extern void fio_gtod_init(void); |
| 641 | extern void fio_gtod_update(void); |
Jens Axboe | a2f77c9 | 2007-02-22 11:53:00 +0100 | [diff] [blame] | 642 | extern void set_genesis_time(void); |
Jens Axboe | 721938a | 2008-09-10 09:46:16 +0200 | [diff] [blame] | 643 | extern int ramp_time_over(struct thread_data *); |
Jens Axboe | b29ee5b | 2008-09-11 10:17:26 +0200 | [diff] [blame] | 644 | extern int in_ramp_time(struct thread_data *); |
Jens Axboe | 6796209 | 2006-06-07 08:45:01 +0200 | [diff] [blame] | 645 | |
Jens Axboe | 8914a9d | 2006-06-07 11:14:56 +0200 | [diff] [blame] | 646 | /* |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 647 | * Init/option functions |
Jens Axboe | 8914a9d | 2006-06-07 11:14:56 +0200 | [diff] [blame] | 648 | */ |
Jens Axboe | 72cb971 | 2007-02-20 20:54:45 +0100 | [diff] [blame] | 649 | extern int __must_check parse_options(int, char **); |
Jens Axboe | 3b8b713 | 2008-06-10 19:46:23 +0200 | [diff] [blame] | 650 | extern int fio_options_parse(struct thread_data *, char **, int); |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 651 | extern int fio_cmd_option_parse(struct thread_data *, const char *, char *); |
| 652 | extern void fio_fill_default_options(struct thread_data *); |
| 653 | extern int fio_show_option_help(const char *); |
| 654 | extern void fio_options_dup_and_init(struct option *); |
Jens Axboe | d23bb32 | 2007-03-23 15:57:56 +0100 | [diff] [blame] | 655 | extern void options_mem_dupe(struct thread_data *); |
| 656 | extern void options_mem_free(struct thread_data *); |
Jens Axboe | 5bfc35d | 2009-04-07 13:28:12 +0200 | [diff] [blame] | 657 | extern void td_fill_rand_seeds(struct thread_data *); |
Jens Axboe | 214e1ec | 2007-03-15 10:48:13 +0100 | [diff] [blame] | 658 | #define FIO_GETOPT_JOB 0x89988998 |
| 659 | #define FIO_NR_OPTIONS 128 |
Jens Axboe | 8914a9d | 2006-06-07 11:14:56 +0200 | [diff] [blame] | 660 | |
Jens Axboe | bbfd6b0 | 2006-06-07 19:42:54 +0200 | [diff] [blame] | 661 | /* |
Jens Axboe | 263e529 | 2006-10-18 15:37:01 +0200 | [diff] [blame] | 662 | * ETA/status stuff |
| 663 | */ |
| 664 | extern void print_thread_status(void); |
| 665 | extern void print_status_init(int); |
| 666 | |
| 667 | /* |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 668 | * disk util stuff |
| 669 | */ |
| 670 | #ifdef FIO_HAVE_DISK_UTIL |
| 671 | extern void show_disk_util(void); |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 672 | extern void init_disk_util(struct thread_data *); |
| 673 | extern void update_io_ticks(void); |
| 674 | #else |
| 675 | #define show_disk_util() |
Jens Axboe | 9f8f206 | 2007-04-02 15:08:01 +0200 | [diff] [blame] | 676 | #define init_disk_util(td) |
| 677 | #define update_io_ticks() |
| 678 | #endif |
| 679 | |
| 680 | /* |
Jens Axboe | 263e529 | 2006-10-18 15:37:01 +0200 | [diff] [blame] | 681 | * Thread life cycle. Once a thread has a runstate beyond TD_INITIALIZED, it |
| 682 | * will never back again. It may cycle between running/verififying/fsyncing. |
| 683 | * Once the thread reaches TD_EXITED, it is just waiting for the core to |
| 684 | * reap it. |
| 685 | */ |
| 686 | enum { |
| 687 | TD_NOT_CREATED = 0, |
| 688 | TD_CREATED, |
| 689 | TD_INITIALIZED, |
Jens Axboe | b29ee5b | 2008-09-11 10:17:26 +0200 | [diff] [blame] | 690 | TD_RAMP, |
Jens Axboe | 263e529 | 2006-10-18 15:37:01 +0200 | [diff] [blame] | 691 | TD_RUNNING, |
Jens Axboe | b0f6586 | 2009-05-20 11:52:15 +0200 | [diff] [blame] | 692 | TD_PRE_READING, |
Jens Axboe | 263e529 | 2006-10-18 15:37:01 +0200 | [diff] [blame] | 693 | TD_VERIFYING, |
| 694 | TD_FSYNCING, |
| 695 | TD_EXITED, |
| 696 | TD_REAPED, |
| 697 | }; |
| 698 | |
Jens Axboe | b29ee5b | 2008-09-11 10:17:26 +0200 | [diff] [blame] | 699 | extern void td_set_runstate(struct thread_data *, int); |
| 700 | |
Jens Axboe | 263e529 | 2006-10-18 15:37:01 +0200 | [diff] [blame] | 701 | /* |
Jens Axboe | 2f9ade3 | 2006-10-20 11:25:52 +0200 | [diff] [blame] | 702 | * Memory helpers |
| 703 | */ |
Jens Axboe | b2fdda4 | 2007-02-20 20:52:51 +0100 | [diff] [blame] | 704 | extern int __must_check fio_pin_memory(void); |
Jens Axboe | 2f9ade3 | 2006-10-20 11:25:52 +0200 | [diff] [blame] | 705 | extern void fio_unpin_memory(void); |
Jens Axboe | b2fdda4 | 2007-02-20 20:52:51 +0100 | [diff] [blame] | 706 | extern int __must_check allocate_io_mem(struct thread_data *); |
Jens Axboe | 2f9ade3 | 2006-10-20 11:25:52 +0200 | [diff] [blame] | 707 | extern void free_io_mem(struct thread_data *); |
| 708 | |
| 709 | /* |
Jens Axboe | b29ee5b | 2008-09-11 10:17:26 +0200 | [diff] [blame] | 710 | * Reset stats after ramp time completes |
| 711 | */ |
| 712 | extern void reset_all_stats(struct thread_data *); |
| 713 | |
| 714 | /* |
Jens Axboe | fb7b71a | 2007-05-15 08:44:04 +0200 | [diff] [blame] | 715 | * blktrace support |
| 716 | */ |
Jens Axboe | 5e62c22 | 2007-05-22 13:27:30 +0200 | [diff] [blame] | 717 | #ifdef FIO_HAVE_BLKTRACE |
Jens Axboe | fb7b71a | 2007-05-15 08:44:04 +0200 | [diff] [blame] | 718 | extern int is_blktrace(const char *); |
| 719 | extern int load_blktrace(struct thread_data *, const char *); |
Jens Axboe | 5e62c22 | 2007-05-22 13:27:30 +0200 | [diff] [blame] | 720 | #endif |
Jens Axboe | fb7b71a | 2007-05-15 08:44:04 +0200 | [diff] [blame] | 721 | |
Jens Axboe | 2866c82 | 2006-10-09 15:57:48 +0200 | [diff] [blame] | 722 | /* |
| 723 | * Mark unused variables passed to ops functions as unused, to silence gcc |
| 724 | */ |
| 725 | #define fio_unused __attribute((__unused__)) |
Jens Axboe | 5f35095 | 2006-11-07 15:20:59 +0100 | [diff] [blame] | 726 | #define fio_init __attribute__((constructor)) |
| 727 | #define fio_exit __attribute__((destructor)) |
Jens Axboe | 2866c82 | 2006-10-09 15:57:48 +0200 | [diff] [blame] | 728 | |
Jens Axboe | 34572e2 | 2006-10-20 09:33:18 +0200 | [diff] [blame] | 729 | #define for_each_td(td, i) \ |
| 730 | for ((i) = 0, (td) = &threads[0]; (i) < (int) thread_number; (i)++, (td)++) |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 731 | #define for_each_file(td, f, i) \ |
Jens Axboe | 691c8fb | 2008-03-07 14:26:26 +0100 | [diff] [blame] | 732 | if ((td)->files_index) \ |
| 733 | for ((i) = 0, (f) = (td)->files[0]; \ |
| 734 | (i) < (td)->o.nr_files && ((f) = (td)->files[i]) != NULL; \ |
| 735 | (i)++) |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 736 | |
Jens Axboe | 0032bf9 | 2007-02-13 17:39:56 +0100 | [diff] [blame] | 737 | #define fio_assert(td, cond) do { \ |
| 738 | if (!(cond)) { \ |
Jens Axboe | 340fd24 | 2007-02-13 20:09:10 +0100 | [diff] [blame] | 739 | int *__foo = NULL; \ |
Jens Axboe | 0032bf9 | 2007-02-13 17:39:56 +0100 | [diff] [blame] | 740 | fprintf(stderr, "file:%s:%d, assert %s failed\n", __FILE__, __LINE__, #cond); \ |
| 741 | (td)->runstate = TD_EXITED; \ |
Jens Axboe | 437c9b7 | 2007-02-13 18:20:37 +0100 | [diff] [blame] | 742 | (td)->error = EFAULT; \ |
Jens Axboe | 340fd24 | 2007-02-13 20:09:10 +0100 | [diff] [blame] | 743 | *__foo = 0; \ |
Jens Axboe | 0032bf9 | 2007-02-13 17:39:56 +0100 | [diff] [blame] | 744 | } \ |
| 745 | } while (0) |
| 746 | |
Jens Axboe | 009bd84 | 2008-05-15 10:19:46 +0200 | [diff] [blame] | 747 | static inline void fio_file_reset(struct fio_file *f) |
| 748 | { |
| 749 | f->last_free_lookup = 0; |
| 750 | f->last_pos = f->file_offset; |
Jens Axboe | eaf9b41 | 2009-04-07 13:06:43 +0200 | [diff] [blame] | 751 | if (f->file_map) |
| 752 | memset(f->file_map, 0, f->num_maps * sizeof(int)); |
Jens Axboe | 009bd84 | 2008-05-15 10:19:46 +0200 | [diff] [blame] | 753 | } |
| 754 | |
Jens Axboe | 9bf27b4 | 2007-03-27 19:49:31 +0200 | [diff] [blame] | 755 | static inline void clear_error(struct thread_data *td) |
| 756 | { |
| 757 | td->error = 0; |
| 758 | td->verror[0] = '\0'; |
| 759 | } |
| 760 | |
Jens Axboe | 79e48f7 | 2008-02-01 20:37:09 +0100 | [diff] [blame] | 761 | #ifdef FIO_INC_DEBUG |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 762 | static inline void dprint_io_u(struct io_u *io_u, const char *p) |
| 763 | { |
| 764 | struct fio_file *f = io_u->file; |
| 765 | |
| 766 | dprint(FD_IO, "%s: io_u %p: off=%llu/len=%lu/ddir=%d", p, io_u, |
Jens Axboe | 5921e80 | 2008-05-30 15:02:38 +0200 | [diff] [blame] | 767 | (unsigned long long) io_u->offset, |
| 768 | io_u->buflen, io_u->ddir); |
Jens Axboe | 8172fe9 | 2008-02-01 21:51:02 +0100 | [diff] [blame] | 769 | if (fio_debug & (1 << FD_IO)) { |
| 770 | if (f) |
| 771 | log_info("/%s", f->file_name); |
| 772 | |
| 773 | log_info("\n"); |
| 774 | } |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 775 | } |
Jens Axboe | 79e48f7 | 2008-02-01 20:37:09 +0100 | [diff] [blame] | 776 | #else |
Jens Axboe | 79e48f7 | 2008-02-01 20:37:09 +0100 | [diff] [blame] | 777 | #define dprint_io_u(io_u, p) |
| 778 | #endif |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 779 | |
Jens Axboe | 12d9d84 | 2008-10-16 21:26:10 +0200 | [diff] [blame] | 780 | static inline int fio_fill_issue_time(struct thread_data *td) |
| 781 | { |
| 782 | if (td->o.read_iolog_file || |
| 783 | !td->o.disable_clat || !td->o.disable_slat || !td->o.disable_bw) |
| 784 | return 1; |
| 785 | |
| 786 | return 0; |
| 787 | } |
| 788 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 789 | #endif |