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 | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 14 | |
| 15 | #include "list.h" |
| 16 | #include "md5.h" |
| 17 | #include "crc32.h" |
| 18 | #include "arch.h" |
| 19 | #include "os.h" |
| 20 | |
Jens Axboe | b6959b5 | 2007-02-14 21:40:27 +0000 | [diff] [blame] | 21 | #ifdef FIO_HAVE_SYSLET |
Jens Axboe | a4f4fdd | 2007-02-14 01:16:39 +0100 | [diff] [blame] | 22 | #include "syslet.h" |
Jens Axboe | b6959b5 | 2007-02-14 21:40:27 +0000 | [diff] [blame] | 23 | #endif |
Jens Axboe | a4f4fdd | 2007-02-14 01:16:39 +0100 | [diff] [blame] | 24 | |
Jens Axboe | 1e97cce | 2006-12-05 11:44:16 +0100 | [diff] [blame] | 25 | enum fio_ddir { |
| 26 | DDIR_READ = 0, |
| 27 | DDIR_WRITE, |
| 28 | DDIR_SYNC, |
| 29 | }; |
| 30 | |
Jens Axboe | 1c9e06e | 2007-02-11 04:07:57 +0100 | [diff] [blame] | 31 | /* |
| 32 | * Use for maintaining statistics |
| 33 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 34 | struct io_stat { |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 35 | unsigned long max_val; |
| 36 | unsigned long min_val; |
| 37 | unsigned long samples; |
Jens Axboe | 6870408 | 2007-01-10 19:56:37 +0100 | [diff] [blame] | 38 | |
| 39 | double mean; |
| 40 | double S; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 41 | }; |
| 42 | |
Jens Axboe | 1c9e06e | 2007-02-11 04:07:57 +0100 | [diff] [blame] | 43 | /* |
| 44 | * A single data sample |
| 45 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 46 | struct io_sample { |
| 47 | unsigned long time; |
| 48 | unsigned long val; |
Jens Axboe | 1e97cce | 2006-12-05 11:44:16 +0100 | [diff] [blame] | 49 | enum fio_ddir ddir; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 50 | }; |
| 51 | |
Jens Axboe | 1c9e06e | 2007-02-11 04:07:57 +0100 | [diff] [blame] | 52 | /* |
| 53 | * Dynamically growing data sample log |
| 54 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 55 | struct io_log { |
| 56 | unsigned long nr_samples; |
| 57 | unsigned long max_samples; |
| 58 | struct io_sample *log; |
| 59 | }; |
| 60 | |
Jens Axboe | 1c9e06e | 2007-02-11 04:07:57 +0100 | [diff] [blame] | 61 | /* |
| 62 | * When logging io actions, this matches a single sent io_u |
| 63 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 64 | struct io_piece { |
| 65 | struct list_head list; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 66 | struct fio_file *file; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 67 | unsigned long long offset; |
Jens Axboe | a4f4fdd | 2007-02-14 01:16:39 +0100 | [diff] [blame] | 68 | unsigned long len; |
Jens Axboe | 1e97cce | 2006-12-05 11:44:16 +0100 | [diff] [blame] | 69 | enum fio_ddir ddir; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 70 | }; |
| 71 | |
Jens Axboe | a4f4fdd | 2007-02-14 01:16:39 +0100 | [diff] [blame] | 72 | #ifdef FIO_HAVE_SYSLET |
| 73 | struct syslet_req { |
| 74 | struct syslet_uatom atom; |
Jens Axboe | a4f4fdd | 2007-02-14 01:16:39 +0100 | [diff] [blame] | 75 | long ret; |
| 76 | }; |
| 77 | #endif |
| 78 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 79 | /* |
| 80 | * The io unit |
| 81 | */ |
| 82 | struct io_u { |
| 83 | union { |
| 84 | #ifdef FIO_HAVE_LIBAIO |
| 85 | struct iocb iocb; |
| 86 | #endif |
| 87 | #ifdef FIO_HAVE_POSIXAIO |
| 88 | struct aiocb aiocb; |
| 89 | #endif |
| 90 | #ifdef FIO_HAVE_SGIO |
| 91 | struct sg_io_hdr hdr; |
| 92 | #endif |
Jens Axboe | a4f4fdd | 2007-02-14 01:16:39 +0100 | [diff] [blame] | 93 | #ifdef FIO_HAVE_SYSLET |
Jens Axboe | a2e1b08 | 2007-02-14 08:06:19 +0100 | [diff] [blame] | 94 | struct syslet_req req; |
Jens Axboe | a4f4fdd | 2007-02-14 01:16:39 +0100 | [diff] [blame] | 95 | #endif |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 96 | }; |
| 97 | struct timeval start_time; |
| 98 | struct timeval issue_time; |
| 99 | |
Jens Axboe | 1c9e06e | 2007-02-11 04:07:57 +0100 | [diff] [blame] | 100 | /* |
| 101 | * Allocated/set buffer and length |
| 102 | */ |
Jens Axboe | 6b9cea2 | 2006-10-30 17:00:24 +0100 | [diff] [blame] | 103 | void *buf; |
Jens Axboe | a4f4fdd | 2007-02-14 01:16:39 +0100 | [diff] [blame] | 104 | unsigned long buflen; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 105 | unsigned long long offset; |
| 106 | |
Jens Axboe | 1c9e06e | 2007-02-11 04:07:57 +0100 | [diff] [blame] | 107 | /* |
| 108 | * IO engine state, may be different from above when we get |
| 109 | * partial transfers / residual data counts |
| 110 | */ |
Jens Axboe | cec6b55 | 2007-02-06 20:15:38 +0100 | [diff] [blame] | 111 | void *xfer_buf; |
Jens Axboe | a4f4fdd | 2007-02-14 01:16:39 +0100 | [diff] [blame] | 112 | unsigned long xfer_buflen; |
Jens Axboe | cec6b55 | 2007-02-06 20:15:38 +0100 | [diff] [blame] | 113 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 114 | unsigned int resid; |
| 115 | unsigned int error; |
| 116 | |
Jens Axboe | 1e97cce | 2006-12-05 11:44:16 +0100 | [diff] [blame] | 117 | enum fio_ddir ddir; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 118 | |
Jens Axboe | dfd7bc2 | 2006-10-24 12:17:57 +0200 | [diff] [blame] | 119 | /* |
| 120 | * io engine private data |
| 121 | */ |
| 122 | union { |
| 123 | unsigned int index; |
| 124 | unsigned int seen; |
| 125 | }; |
| 126 | |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 127 | struct fio_file *file; |
| 128 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 129 | struct list_head list; |
| 130 | }; |
| 131 | |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame^] | 132 | /* |
| 133 | * io_ops->queue() return values |
| 134 | */ |
| 135 | enum { |
| 136 | FIO_Q_COMPLETED = 0, /* completed sync */ |
| 137 | FIO_Q_QUEUED = 1, /* queued, will complete async */ |
| 138 | }; |
| 139 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 140 | #define FIO_HDR_MAGIC 0xf00baaef |
| 141 | |
| 142 | enum { |
Jens Axboe | 1c9e06e | 2007-02-11 04:07:57 +0100 | [diff] [blame] | 143 | VERIFY_NONE = 0, /* no verification */ |
| 144 | VERIFY_MD5, /* md5 sum data blocks */ |
| 145 | VERIFY_CRC32, /* crc32 sum data blocks */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 146 | }; |
| 147 | |
Jens Axboe | 1c9e06e | 2007-02-11 04:07:57 +0100 | [diff] [blame] | 148 | /* |
| 149 | * A header structure associated with each checksummed data block |
| 150 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 151 | struct verify_header { |
| 152 | unsigned int fio_magic; |
| 153 | unsigned int len; |
| 154 | unsigned int verify_type; |
| 155 | union { |
| 156 | char md5_digest[MD5_HASH_WORDS * 4]; |
| 157 | unsigned long crc32; |
| 158 | }; |
| 159 | }; |
| 160 | |
| 161 | struct group_run_stats { |
Jens Axboe | 9104f87 | 2005-12-28 23:50:45 +0100 | [diff] [blame] | 162 | unsigned long long max_run[2], min_run[2]; |
| 163 | unsigned long long max_bw[2], min_bw[2]; |
Jens Axboe | e9b2a3f | 2006-06-06 15:38:33 +0200 | [diff] [blame] | 164 | unsigned long long io_kb[2]; |
Jens Axboe | 9104f87 | 2005-12-28 23:50:45 +0100 | [diff] [blame] | 165 | unsigned long long agg[2]; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 166 | }; |
| 167 | |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 168 | /* |
| 169 | * What type of allocation to use for io buffers |
| 170 | */ |
| 171 | enum fio_memtype { |
| 172 | MEM_MALLOC = 0, /* ordinary malloc */ |
| 173 | MEM_SHM, /* use shared memory segments */ |
Jens Axboe | 74b025b | 2006-12-19 15:18:14 +0100 | [diff] [blame] | 174 | MEM_SHMHUGE, /* use shared memory segments with huge pages */ |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 175 | MEM_MMAP, /* use anonynomous mmap */ |
Jens Axboe | d0bdaf4 | 2006-12-20 14:40:44 +0100 | [diff] [blame] | 176 | MEM_MMAPHUGE, /* memory mapped huge file */ |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 177 | }; |
| 178 | |
| 179 | /* |
| 180 | * The type of object we are working on |
| 181 | */ |
| 182 | enum fio_filetype { |
Jens Axboe | 1c9e06e | 2007-02-11 04:07:57 +0100 | [diff] [blame] | 183 | FIO_TYPE_FILE = 1, /* plain file */ |
| 184 | FIO_TYPE_BD, /* block device */ |
| 185 | FIO_TYPE_CHAR, /* character device */ |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 186 | }; |
| 187 | |
Jens Axboe | 2866c82 | 2006-10-09 15:57:48 +0200 | [diff] [blame] | 188 | enum fio_ioengine_flags { |
Jens Axboe | 1c9e06e | 2007-02-11 04:07:57 +0100 | [diff] [blame] | 189 | FIO_SYNCIO = 1 << 0, /* io engine has synchronous ->queue */ |
| 190 | FIO_CPUIO = 1 << 1, /* cpu burner, doesn't do real io */ |
| 191 | FIO_MMAPIO = 1 << 2, /* uses memory mapped io */ |
| 192 | FIO_RAWIO = 1 << 3, /* some sort of direct/raw io */ |
| 193 | FIO_NETIO = 1 << 4, /* networked io */ |
| 194 | FIO_NULLIO = 1 << 5, /* no real data transfer (cpu/null) */ |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 195 | }; |
| 196 | |
Jens Axboe | 1c9e06e | 2007-02-11 04:07:57 +0100 | [diff] [blame] | 197 | /* |
| 198 | * Each thread_data structure has a number of files associated with it, |
| 199 | * this structure holds state information for a single file. |
| 200 | */ |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 201 | struct fio_file { |
| 202 | /* |
| 203 | * A file may not be a file descriptor, let the io engine decide |
| 204 | */ |
| 205 | union { |
| 206 | unsigned long file_data; |
Jens Axboe | e26f8f7 | 2007-02-17 04:39:54 +0100 | [diff] [blame] | 207 | int fd; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 208 | }; |
| 209 | char *file_name; |
| 210 | void *mmap; |
| 211 | unsigned long long file_size; |
| 212 | unsigned long long real_file_size; |
| 213 | unsigned long long file_offset; |
| 214 | unsigned long long last_pos; |
Jens Axboe | 02bcaa8 | 2006-11-24 10:42:00 +0100 | [diff] [blame] | 215 | unsigned long long last_completed_pos; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 216 | |
Jens Axboe | 1c9e06e | 2007-02-11 04:07:57 +0100 | [diff] [blame] | 217 | /* |
| 218 | * block map for random io |
| 219 | */ |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 220 | unsigned long *file_map; |
| 221 | unsigned int num_maps; |
Jens Axboe | 1c9e06e | 2007-02-11 04:07:57 +0100 | [diff] [blame] | 222 | unsigned int last_free_lookup; |
Jens Axboe | 9b031dc | 2006-12-15 16:01:54 +0100 | [diff] [blame] | 223 | |
| 224 | unsigned int unlink; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 225 | }; |
| 226 | |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 227 | /* |
Jens Axboe | 71619dc | 2007-01-13 23:56:33 +0100 | [diff] [blame] | 228 | * How many depth levels to log |
| 229 | */ |
| 230 | #define FIO_IO_U_MAP_NR 8 |
Jens Axboe | ec11830 | 2007-02-17 04:38:20 +0100 | [diff] [blame] | 231 | #define FIO_IO_U_LAT_NR 12 |
Jens Axboe | 71619dc | 2007-01-13 23:56:33 +0100 | [diff] [blame] | 232 | |
| 233 | /* |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 234 | * This describes a single thread/process executing a fio job. |
| 235 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 236 | struct thread_data { |
Jens Axboe | 61697c3 | 2007-02-05 15:04:46 +0100 | [diff] [blame] | 237 | char *description; |
Jens Axboe | b469282 | 2006-10-27 13:43:22 +0200 | [diff] [blame] | 238 | char *name; |
Jens Axboe | ef899b6 | 2006-06-06 09:31:00 +0200 | [diff] [blame] | 239 | char *directory; |
Jens Axboe | 13f8e2d | 2006-10-24 09:29:45 +0200 | [diff] [blame] | 240 | char *filename; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 241 | char verror[80]; |
| 242 | pthread_t thread; |
| 243 | int thread_number; |
| 244 | int groupid; |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 245 | enum fio_filetype filetype; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 246 | struct fio_file *files; |
| 247 | unsigned int nr_files; |
Jens Axboe | 13f8e2d | 2006-10-24 09:29:45 +0200 | [diff] [blame] | 248 | unsigned int nr_uniq_files; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 249 | unsigned int next_file; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 250 | int error; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 251 | pid_t pid; |
| 252 | char *orig_buffer; |
| 253 | size_t orig_buffer_size; |
| 254 | volatile int terminate; |
| 255 | volatile int runstate; |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 256 | enum fio_ddir ddir; |
Jens Axboe | 3d60d1e | 2006-05-25 06:31:06 +0200 | [diff] [blame] | 257 | unsigned int iomix; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 258 | unsigned int ioprio; |
Jens Axboe | 87dc1ab | 2006-10-24 14:41:26 +0200 | [diff] [blame] | 259 | unsigned int last_was_sync; |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 260 | |
Jens Axboe | 9158d2f | 2006-10-27 14:27:39 +0200 | [diff] [blame] | 261 | unsigned int sequential; |
| 262 | unsigned int odirect; |
| 263 | unsigned int invalidate_cache; |
| 264 | unsigned int create_serialize; |
| 265 | unsigned int create_fsync; |
| 266 | unsigned int end_fsync; |
| 267 | unsigned int sync_io; |
| 268 | unsigned int verify; |
| 269 | unsigned int use_thread; |
| 270 | unsigned int unlink; |
| 271 | unsigned int do_disk_util; |
| 272 | unsigned int override_sync; |
| 273 | unsigned int rand_repeatable; |
| 274 | unsigned int write_lat_log; |
| 275 | unsigned int write_bw_log; |
Jens Axboe | bb8895e | 2006-10-30 15:14:48 +0100 | [diff] [blame] | 276 | unsigned int norandommap; |
Jens Axboe | 690adba | 2006-10-30 15:25:09 +0100 | [diff] [blame] | 277 | unsigned int bs_unaligned; |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 278 | |
Jens Axboe | a00735e | 2006-11-03 08:58:08 +0100 | [diff] [blame] | 279 | unsigned int bs[2]; |
| 280 | unsigned int min_bs[2]; |
| 281 | unsigned int max_bs[2]; |
Jens Axboe | 56bb17f | 2006-12-20 20:27:36 +0100 | [diff] [blame] | 282 | unsigned int hugepage_size; |
Jens Axboe | a00735e | 2006-11-03 08:58:08 +0100 | [diff] [blame] | 283 | unsigned int rw_min_bs; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 284 | unsigned int thinktime; |
Jens Axboe | 48097d5 | 2007-02-17 06:30:44 +0100 | [diff] [blame] | 285 | unsigned int thinktime_spin; |
Jens Axboe | 9c1f743 | 2007-01-03 20:43:19 +0100 | [diff] [blame] | 286 | unsigned int thinktime_blocks; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 287 | unsigned int fsync_blocks; |
| 288 | unsigned int start_delay; |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 289 | unsigned long timeout; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 290 | unsigned int overwrite; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 291 | unsigned int bw_avg_time; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 292 | unsigned int loops; |
Jens Axboe | 20dc95c | 2005-12-09 10:29:35 +0100 | [diff] [blame] | 293 | unsigned long long zone_size; |
| 294 | unsigned long long zone_skip; |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 295 | enum fio_memtype mem_type; |
Jens Axboe | 313cb20 | 2006-12-21 09:50:00 +0100 | [diff] [blame] | 296 | char *mmapfile; |
| 297 | int mmapfd; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 298 | unsigned int stonewall; |
| 299 | unsigned int numjobs; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 300 | unsigned int iodepth; |
| 301 | os_cpu_mask_t cpumask; |
Jens Axboe | aea47d4 | 2006-05-26 19:27:29 +0200 | [diff] [blame] | 302 | unsigned int iolog; |
Jens Axboe | 843a741 | 2006-06-01 21:14:21 -0700 | [diff] [blame] | 303 | unsigned int read_iolog; |
Jens Axboe | a6ccc7b | 2006-06-02 10:14:15 +0200 | [diff] [blame] | 304 | unsigned int rwmixcycle; |
| 305 | unsigned int rwmixread; |
Jens Axboe | e1f3650 | 2006-10-27 10:54:08 +0200 | [diff] [blame] | 306 | unsigned int rwmixwrite; |
Jens Axboe | b6f4d88 | 2006-06-02 10:32:51 +0200 | [diff] [blame] | 307 | unsigned int nice; |
Jens Axboe | aea47d4 | 2006-05-26 19:27:29 +0200 | [diff] [blame] | 308 | |
Jens Axboe | 076efc7 | 2006-10-27 11:24:25 +0200 | [diff] [blame] | 309 | char *read_iolog_file; |
| 310 | char *write_iolog_file; |
Jens Axboe | 843a741 | 2006-06-01 21:14:21 -0700 | [diff] [blame] | 311 | void *iolog_buf; |
| 312 | FILE *iolog_f; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 313 | |
Jens Axboe | da86774 | 2006-06-06 10:39:10 -0700 | [diff] [blame] | 314 | char *sysfs_root; |
Jens Axboe | da86774 | 2006-06-06 10:39:10 -0700 | [diff] [blame] | 315 | char *ioscheduler; |
| 316 | |
Jens Axboe | 6dfd46b | 2006-06-07 13:57:06 +0200 | [diff] [blame] | 317 | os_random_state_t bsrange_state; |
| 318 | os_random_state_t verify_state; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 319 | |
| 320 | int shm_id; |
| 321 | |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 322 | /* |
| 323 | * IO engine hooks, contains everything needed to submit an io_u |
| 324 | * to any of the available IO engines. |
| 325 | */ |
Jens Axboe | 2866c82 | 2006-10-09 15:57:48 +0200 | [diff] [blame] | 326 | struct ioengine_ops *io_ops; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 327 | |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 328 | /* |
| 329 | * Current IO depth and list of free and busy io_u's. |
| 330 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 331 | unsigned int cur_depth; |
Jens Axboe | 71619dc | 2007-01-13 23:56:33 +0100 | [diff] [blame] | 332 | unsigned int io_u_map[FIO_IO_U_MAP_NR]; |
Jens Axboe | ec11830 | 2007-02-17 04:38:20 +0100 | [diff] [blame] | 333 | unsigned int io_u_lat[FIO_IO_U_LAT_NR]; |
Jens Axboe | 71619dc | 2007-01-13 23:56:33 +0100 | [diff] [blame] | 334 | unsigned long total_io_u; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 335 | struct list_head io_u_freelist; |
| 336 | struct list_head io_u_busylist; |
| 337 | |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 338 | /* |
| 339 | * Rate state |
| 340 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 341 | unsigned int rate; |
| 342 | unsigned int ratemin; |
| 343 | unsigned int ratecycle; |
| 344 | unsigned long rate_usec_cycle; |
| 345 | long rate_pending_usleep; |
| 346 | unsigned long rate_bytes; |
| 347 | struct timeval lastrate; |
| 348 | |
| 349 | unsigned long runtime[2]; /* msec */ |
| 350 | unsigned long long io_size; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 351 | unsigned long long total_file_size; |
| 352 | unsigned long long start_offset; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 353 | unsigned long long total_io_size; |
| 354 | |
Jens Axboe | 9104f87 | 2005-12-28 23:50:45 +0100 | [diff] [blame] | 355 | unsigned long long io_blocks[2]; |
| 356 | unsigned long long io_bytes[2]; |
| 357 | unsigned long long zone_bytes; |
| 358 | unsigned long long this_io_bytes[2]; |
Jens Axboe | bbfd6b0 | 2006-06-07 19:42:54 +0200 | [diff] [blame] | 359 | volatile int mutex; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 360 | |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 361 | /* |
| 362 | * State for random io, a bitmap of blocks done vs not done |
| 363 | */ |
Jens Axboe | 6dfd46b | 2006-06-07 13:57:06 +0200 | [diff] [blame] | 364 | os_random_state_t random_state; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 365 | |
| 366 | /* |
Jens Axboe | b990b5c | 2006-09-14 09:48:22 +0200 | [diff] [blame] | 367 | * CPU "io" cycle burner |
| 368 | */ |
| 369 | unsigned int cpuload; |
| 370 | unsigned int cpucycle; |
| 371 | |
| 372 | /* |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 373 | * bandwidth and latency stats |
| 374 | */ |
| 375 | struct io_stat clat_stat[2]; /* completion latency */ |
| 376 | struct io_stat slat_stat[2]; /* submission latency */ |
| 377 | struct io_stat bw_stat[2]; /* bandwidth stats */ |
| 378 | |
Jens Axboe | 9104f87 | 2005-12-28 23:50:45 +0100 | [diff] [blame] | 379 | unsigned long long stat_io_bytes[2]; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 380 | struct timeval stat_sample_time[2]; |
| 381 | |
| 382 | struct io_log *slat_log; |
| 383 | struct io_log *clat_log; |
| 384 | struct io_log *bw_log; |
| 385 | |
| 386 | struct timeval start; /* start of this loop */ |
| 387 | struct timeval epoch; /* time job was started */ |
Jens Axboe | 6900899 | 2006-11-24 13:12:56 +0100 | [diff] [blame] | 388 | struct timeval end_time;/* time job ended */ |
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 | * fio system usage accounting |
| 392 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 393 | struct rusage ru_start; |
| 394 | struct rusage ru_end; |
| 395 | unsigned long usr_time; |
| 396 | unsigned long sys_time; |
| 397 | unsigned long ctx; |
| 398 | |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 399 | /* |
| 400 | * read/write mixed workload state |
| 401 | */ |
Jens Axboe | 6dfd46b | 2006-06-07 13:57:06 +0200 | [diff] [blame] | 402 | os_random_state_t rwmix_state; |
Jens Axboe | a6ccc7b | 2006-06-02 10:14:15 +0200 | [diff] [blame] | 403 | struct timeval rwmix_switch; |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 404 | enum fio_ddir rwmix_ddir; |
Jens Axboe | a6ccc7b | 2006-06-02 10:14:15 +0200 | [diff] [blame] | 405 | |
Jens Axboe | 4e0ba8a | 2006-06-06 09:36:28 +0200 | [diff] [blame] | 406 | /* |
| 407 | * Pre-run and post-run shell |
| 408 | */ |
| 409 | char *exec_prerun; |
| 410 | char *exec_postrun; |
| 411 | |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 412 | /* |
| 413 | * IO historic logs |
| 414 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 415 | struct list_head io_hist_list; |
Jens Axboe | aea47d4 | 2006-05-26 19:27:29 +0200 | [diff] [blame] | 416 | struct list_head io_log_list; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 417 | }; |
| 418 | |
Jens Axboe | b990b5c | 2006-09-14 09:48:22 +0200 | [diff] [blame] | 419 | #define __td_verror(td, err, msg) \ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 420 | do { \ |
| 421 | int e = (err); \ |
| 422 | (td)->error = e; \ |
Jens Axboe | b990b5c | 2006-09-14 09:48:22 +0200 | [diff] [blame] | 423 | snprintf(td->verror, sizeof(td->verror) - 1, "file:%s:%d, error=%s", __FILE__, __LINE__, (msg)); \ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 424 | } while (0) |
| 425 | |
Jens Axboe | b990b5c | 2006-09-14 09:48:22 +0200 | [diff] [blame] | 426 | |
| 427 | #define td_verror(td, err) __td_verror((td), (err), strerror((err))) |
| 428 | #define td_vmsg(td, err, msg) __td_verror((td), (err), (msg)) |
| 429 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 430 | extern int exitall_on_terminate; |
| 431 | extern int thread_number; |
| 432 | extern int shm_id; |
| 433 | extern int groupid; |
Jens Axboe | c6ae0a5 | 2006-06-12 11:04:44 +0200 | [diff] [blame] | 434 | extern int terse_output; |
Jens Axboe | eb8bbf4 | 2006-06-08 21:40:11 +0200 | [diff] [blame] | 435 | extern FILE *f_out; |
| 436 | extern FILE *f_err; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 437 | extern int temp_stall_ts; |
Jens Axboe | 1e97cce | 2006-12-05 11:44:16 +0100 | [diff] [blame] | 438 | extern unsigned long long mlock_size; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 439 | |
| 440 | extern struct thread_data *threads; |
| 441 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 442 | #define td_read(td) ((td)->ddir == DDIR_READ) |
| 443 | #define td_write(td) ((td)->ddir == DDIR_WRITE) |
Jens Axboe | 3d60d1e | 2006-05-25 06:31:06 +0200 | [diff] [blame] | 444 | #define td_rw(td) ((td)->iomix != 0) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 445 | |
| 446 | #define BLOCKS_PER_MAP (8 * sizeof(long)) |
Jens Axboe | a00735e | 2006-11-03 08:58:08 +0100 | [diff] [blame] | 447 | #define TO_MAP_BLOCK(td, f, b) ((b) - ((f)->file_offset / (td)->rw_min_bs)) |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 448 | #define RAND_MAP_IDX(td, f, b) (TO_MAP_BLOCK(td, f, b) / BLOCKS_PER_MAP) |
| 449 | #define RAND_MAP_BIT(td, f, b) (TO_MAP_BLOCK(td, f, b) & (BLOCKS_PER_MAP - 1)) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 450 | |
| 451 | #define MAX_JOBS (1024) |
| 452 | |
Jens Axboe | 87dc1ab | 2006-10-24 14:41:26 +0200 | [diff] [blame] | 453 | static inline int should_fsync(struct thread_data *td) |
| 454 | { |
| 455 | if (td->last_was_sync) |
| 456 | return 0; |
| 457 | if (td->odirect) |
| 458 | return 0; |
| 459 | if (td_write(td) || td_rw(td) || td->override_sync) |
| 460 | return 1; |
| 461 | |
| 462 | return 0; |
| 463 | } |
| 464 | |
Jens Axboe | 1c9e06e | 2007-02-11 04:07:57 +0100 | [diff] [blame] | 465 | /* |
| 466 | * Disk utils as read in /sys/block/<dev>/stat |
| 467 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 468 | struct disk_util_stat { |
| 469 | unsigned ios[2]; |
| 470 | unsigned merges[2]; |
| 471 | unsigned long long sectors[2]; |
| 472 | unsigned ticks[2]; |
| 473 | unsigned io_ticks; |
| 474 | unsigned time_in_queue; |
| 475 | }; |
| 476 | |
Jens Axboe | 1c9e06e | 2007-02-11 04:07:57 +0100 | [diff] [blame] | 477 | /* |
| 478 | * Per-device disk util management |
| 479 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 480 | struct disk_util { |
| 481 | struct list_head list; |
| 482 | |
| 483 | char *name; |
| 484 | char path[256]; |
| 485 | dev_t dev; |
| 486 | |
| 487 | struct disk_util_stat dus; |
| 488 | struct disk_util_stat last_dus; |
| 489 | |
| 490 | unsigned long msec; |
| 491 | struct timeval time; |
| 492 | }; |
| 493 | |
Jens Axboe | 1c9e06e | 2007-02-11 04:07:57 +0100 | [diff] [blame] | 494 | /* |
| 495 | * Used for passing io_u completion data |
| 496 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 497 | struct io_completion_data { |
| 498 | int nr; /* input */ |
| 499 | |
| 500 | int error; /* output */ |
| 501 | unsigned long bytes_done[2]; /* output */ |
Jens Axboe | 02bcaa8 | 2006-11-24 10:42:00 +0100 | [diff] [blame] | 502 | struct timeval time; /* output */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 503 | }; |
| 504 | |
| 505 | #define DISK_UTIL_MSEC (250) |
| 506 | |
Jens Axboe | 6a0106a | 2006-05-05 10:34:43 +0200 | [diff] [blame] | 507 | #ifndef min |
| 508 | #define min(a, b) ((a) < (b) ? (a) : (b)) |
| 509 | #endif |
Jens Axboe | a00735e | 2006-11-03 08:58:08 +0100 | [diff] [blame] | 510 | #ifndef max |
| 511 | #define max(a, b) ((a) > (b) ? (a) : (b)) |
| 512 | #endif |
Jens Axboe | 6a0106a | 2006-05-05 10:34:43 +0200 | [diff] [blame] | 513 | |
Jens Axboe | 6796209 | 2006-06-07 08:45:01 +0200 | [diff] [blame] | 514 | /* |
| 515 | * Log exports |
| 516 | */ |
| 517 | extern int read_iolog_get(struct thread_data *, struct io_u *); |
| 518 | extern void write_iolog_put(struct thread_data *, struct io_u *); |
| 519 | extern int init_iolog(struct thread_data *td); |
| 520 | extern void log_io_piece(struct thread_data *, struct io_u *); |
| 521 | extern void prune_io_piece_log(struct thread_data *); |
| 522 | extern void write_iolog_close(struct thread_data *); |
| 523 | |
| 524 | /* |
| 525 | * Logging |
| 526 | */ |
Jens Axboe | 1e97cce | 2006-12-05 11:44:16 +0100 | [diff] [blame] | 527 | extern void add_clat_sample(struct thread_data *, enum fio_ddir, unsigned long); |
| 528 | extern void add_slat_sample(struct thread_data *, enum fio_ddir, unsigned long); |
| 529 | extern void add_bw_sample(struct thread_data *, enum fio_ddir, struct timeval *); |
Jens Axboe | 6796209 | 2006-06-07 08:45:01 +0200 | [diff] [blame] | 530 | extern void show_run_stats(void); |
| 531 | extern void init_disk_util(struct thread_data *); |
| 532 | extern void update_rusage_stat(struct thread_data *); |
| 533 | extern void update_io_ticks(void); |
| 534 | extern void disk_util_timer_arm(void); |
Jens Axboe | 8914a9d | 2006-06-07 11:14:56 +0200 | [diff] [blame] | 535 | extern void setup_log(struct io_log **); |
| 536 | extern void finish_log(struct thread_data *, struct io_log *, const char *); |
Jens Axboe | bb3884d | 2007-01-17 17:23:11 +1100 | [diff] [blame] | 537 | extern void __finish_log(struct io_log *, const char *); |
Jens Axboe | 8914a9d | 2006-06-07 11:14:56 +0200 | [diff] [blame] | 538 | extern int setup_rate(struct thread_data *); |
Jens Axboe | bb3884d | 2007-01-17 17:23:11 +1100 | [diff] [blame] | 539 | extern struct io_log *agg_io_log[2]; |
| 540 | extern int write_bw_log; |
| 541 | extern void add_agg_sample(unsigned long, enum fio_ddir); |
Jens Axboe | 6796209 | 2006-06-07 08:45:01 +0200 | [diff] [blame] | 542 | |
| 543 | /* |
| 544 | * Time functions |
| 545 | */ |
| 546 | extern unsigned long utime_since(struct timeval *, struct timeval *); |
Jens Axboe | 6900899 | 2006-11-24 13:12:56 +0100 | [diff] [blame] | 547 | extern unsigned long utime_since_now(struct timeval *); |
Jens Axboe | 6796209 | 2006-06-07 08:45:01 +0200 | [diff] [blame] | 548 | extern unsigned long mtime_since(struct timeval *, struct timeval *); |
| 549 | extern unsigned long mtime_since_now(struct timeval *); |
| 550 | extern unsigned long time_since_now(struct timeval *); |
Jens Axboe | 263e529 | 2006-10-18 15:37:01 +0200 | [diff] [blame] | 551 | extern unsigned long mtime_since_genesis(void); |
Jens Axboe | b990b5c | 2006-09-14 09:48:22 +0200 | [diff] [blame] | 552 | extern void __usec_sleep(unsigned int); |
Jens Axboe | 6796209 | 2006-06-07 08:45:01 +0200 | [diff] [blame] | 553 | extern void usec_sleep(struct thread_data *, unsigned long); |
Jens Axboe | a00735e | 2006-11-03 08:58:08 +0100 | [diff] [blame] | 554 | extern void rate_throttle(struct thread_data *, unsigned long, unsigned int, int); |
Jens Axboe | 6043c57 | 2006-11-03 11:37:47 +0100 | [diff] [blame] | 555 | extern void fill_start_time(struct timeval *); |
Jens Axboe | 02bcaa8 | 2006-11-24 10:42:00 +0100 | [diff] [blame] | 556 | extern void fio_gettime(struct timeval *, void *); |
Jens Axboe | 6796209 | 2006-06-07 08:45:01 +0200 | [diff] [blame] | 557 | |
Jens Axboe | 8914a9d | 2006-06-07 11:14:56 +0200 | [diff] [blame] | 558 | /* |
| 559 | * Init functions |
| 560 | */ |
| 561 | extern int parse_options(int, char **); |
| 562 | extern int init_random_state(struct thread_data *); |
| 563 | |
Jens Axboe | bbfd6b0 | 2006-06-07 19:42:54 +0200 | [diff] [blame] | 564 | /* |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 565 | * File setup/shutdown |
| 566 | */ |
| 567 | extern void close_files(struct thread_data *); |
| 568 | extern int setup_files(struct thread_data *); |
Jens Axboe | 21972cd | 2006-11-23 12:39:16 +0100 | [diff] [blame] | 569 | extern int open_files(struct thread_data *); |
Jens Axboe | e5b401d | 2006-10-18 16:03:40 +0200 | [diff] [blame] | 570 | extern int file_invalidate_cache(struct thread_data *, struct fio_file *); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 571 | |
| 572 | /* |
Jens Axboe | 263e529 | 2006-10-18 15:37:01 +0200 | [diff] [blame] | 573 | * ETA/status stuff |
| 574 | */ |
| 575 | extern void print_thread_status(void); |
| 576 | extern void print_status_init(int); |
| 577 | |
| 578 | /* |
| 579 | * Thread life cycle. Once a thread has a runstate beyond TD_INITIALIZED, it |
| 580 | * will never back again. It may cycle between running/verififying/fsyncing. |
| 581 | * Once the thread reaches TD_EXITED, it is just waiting for the core to |
| 582 | * reap it. |
| 583 | */ |
| 584 | enum { |
| 585 | TD_NOT_CREATED = 0, |
| 586 | TD_CREATED, |
| 587 | TD_INITIALIZED, |
| 588 | TD_RUNNING, |
| 589 | TD_VERIFYING, |
| 590 | TD_FSYNCING, |
| 591 | TD_EXITED, |
| 592 | TD_REAPED, |
| 593 | }; |
| 594 | |
| 595 | /* |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 596 | * Verify helpers |
| 597 | */ |
| 598 | extern void populate_verify_io_u(struct thread_data *, struct io_u *); |
| 599 | extern int get_next_verify(struct thread_data *td, struct io_u *); |
Jens Axboe | a9619d4 | 2006-10-18 15:47:42 +0200 | [diff] [blame] | 600 | extern int do_io_u_verify(struct thread_data *, struct io_u **); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 601 | |
| 602 | /* |
Jens Axboe | 2f9ade3 | 2006-10-20 11:25:52 +0200 | [diff] [blame] | 603 | * Memory helpers |
| 604 | */ |
| 605 | extern int fio_pin_memory(void); |
| 606 | extern void fio_unpin_memory(void); |
| 607 | extern int allocate_io_mem(struct thread_data *); |
| 608 | extern void free_io_mem(struct thread_data *); |
| 609 | |
| 610 | /* |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 611 | * io unit handling |
| 612 | */ |
| 613 | #define queue_full(td) list_empty(&(td)->io_u_freelist) |
| 614 | extern struct io_u *__get_io_u(struct thread_data *); |
| 615 | extern struct io_u *get_io_u(struct thread_data *, struct fio_file *); |
| 616 | extern void put_io_u(struct thread_data *, struct io_u *); |
| 617 | extern void ios_completed(struct thread_data *, struct io_completion_data *); |
| 618 | extern void io_completed(struct thread_data *, struct io_u *, struct io_completion_data *); |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame^] | 619 | extern void init_icd(struct io_completion_data *); |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 620 | |
| 621 | /* |
| 622 | * io engine entry points |
| 623 | */ |
Jens Axboe | 8c16d84 | 2006-10-20 11:48:33 +0200 | [diff] [blame] | 624 | extern int td_io_init(struct thread_data *); |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 625 | extern int td_io_prep(struct thread_data *, struct io_u *); |
| 626 | extern int td_io_queue(struct thread_data *, struct io_u *); |
| 627 | extern int td_io_sync(struct thread_data *, struct fio_file *); |
| 628 | extern int td_io_getevents(struct thread_data *, int, int, struct timespec *); |
| 629 | |
| 630 | /* |
Jens Axboe | bbfd6b0 | 2006-06-07 19:42:54 +0200 | [diff] [blame] | 631 | * This is a pretty crappy semaphore implementation, but with the use that fio |
| 632 | * has (just signalling start/go conditions), it doesn't have to be better. |
| 633 | * Naturally this would not work for any type of contended semaphore or |
| 634 | * for real locking. |
| 635 | */ |
Jens Axboe | 1056eaa | 2006-07-13 10:33:45 -0700 | [diff] [blame] | 636 | static inline void fio_sem_init(volatile int *sem, int val) |
Jens Axboe | bbfd6b0 | 2006-06-07 19:42:54 +0200 | [diff] [blame] | 637 | { |
| 638 | *sem = val; |
| 639 | } |
| 640 | |
Jens Axboe | 1056eaa | 2006-07-13 10:33:45 -0700 | [diff] [blame] | 641 | static inline void fio_sem_down(volatile int *sem) |
Jens Axboe | bbfd6b0 | 2006-06-07 19:42:54 +0200 | [diff] [blame] | 642 | { |
| 643 | while (*sem == 0) |
| 644 | usleep(10000); |
| 645 | |
| 646 | (*sem)--; |
| 647 | } |
| 648 | |
Jens Axboe | 1056eaa | 2006-07-13 10:33:45 -0700 | [diff] [blame] | 649 | static inline void fio_sem_up(volatile int *sem) |
Jens Axboe | bbfd6b0 | 2006-06-07 19:42:54 +0200 | [diff] [blame] | 650 | { |
| 651 | (*sem)++; |
| 652 | } |
| 653 | |
Jens Axboe | 3b70d7e | 2006-06-08 21:48:46 +0200 | [diff] [blame] | 654 | /* |
| 655 | * If logging output to a file, stderr should go to both stderr and f_err |
| 656 | */ |
| 657 | #define log_err(args...) do { \ |
| 658 | fprintf(f_err, ##args); \ |
| 659 | if (f_err != stderr) \ |
| 660 | fprintf(stderr, ##args); \ |
| 661 | } while (0) |
| 662 | |
Jens Axboe | 2866c82 | 2006-10-09 15:57:48 +0200 | [diff] [blame] | 663 | struct ioengine_ops { |
Jens Axboe | 5f35095 | 2006-11-07 15:20:59 +0100 | [diff] [blame] | 664 | struct list_head list; |
Jens Axboe | 2866c82 | 2006-10-09 15:57:48 +0200 | [diff] [blame] | 665 | char name[16]; |
| 666 | int version; |
| 667 | int flags; |
Jens Axboe | ea2877a | 2006-10-10 08:30:24 +0200 | [diff] [blame] | 668 | int (*setup)(struct thread_data *); |
Jens Axboe | 2866c82 | 2006-10-09 15:57:48 +0200 | [diff] [blame] | 669 | int (*init)(struct thread_data *); |
| 670 | int (*prep)(struct thread_data *, struct io_u *); |
| 671 | int (*queue)(struct thread_data *, struct io_u *); |
| 672 | int (*getevents)(struct thread_data *, int, int, struct timespec *); |
| 673 | struct io_u *(*event)(struct thread_data *, int); |
| 674 | int (*cancel)(struct thread_data *, struct io_u *); |
| 675 | void (*cleanup)(struct thread_data *); |
Jens Axboe | 2866c82 | 2006-10-09 15:57:48 +0200 | [diff] [blame] | 676 | void *data; |
| 677 | void *dlhandle; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame^] | 678 | unsigned long priv; |
Jens Axboe | 2866c82 | 2006-10-09 15:57:48 +0200 | [diff] [blame] | 679 | }; |
| 680 | |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame^] | 681 | #define FIO_IOOPS_VERSION 4 |
Jens Axboe | 2866c82 | 2006-10-09 15:57:48 +0200 | [diff] [blame] | 682 | |
Jens Axboe | b469282 | 2006-10-27 13:43:22 +0200 | [diff] [blame] | 683 | extern struct ioengine_ops *load_ioengine(struct thread_data *, const char *); |
Jens Axboe | 5f35095 | 2006-11-07 15:20:59 +0100 | [diff] [blame] | 684 | extern int register_ioengine(struct ioengine_ops *); |
| 685 | extern void unregister_ioengine(struct ioengine_ops *); |
Jens Axboe | 2866c82 | 2006-10-09 15:57:48 +0200 | [diff] [blame] | 686 | extern void close_ioengine(struct thread_data *); |
| 687 | |
| 688 | /* |
| 689 | * Mark unused variables passed to ops functions as unused, to silence gcc |
| 690 | */ |
| 691 | #define fio_unused __attribute((__unused__)) |
Jens Axboe | 5f35095 | 2006-11-07 15:20:59 +0100 | [diff] [blame] | 692 | #define fio_init __attribute__((constructor)) |
| 693 | #define fio_exit __attribute__((destructor)) |
Jens Axboe | 2866c82 | 2006-10-09 15:57:48 +0200 | [diff] [blame] | 694 | |
Jens Axboe | 34572e2 | 2006-10-20 09:33:18 +0200 | [diff] [blame] | 695 | #define for_each_td(td, i) \ |
| 696 | for ((i) = 0, (td) = &threads[0]; (i) < (int) thread_number; (i)++, (td)++) |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 697 | #define for_each_file(td, f, i) \ |
Jens Axboe | 34572e2 | 2006-10-20 09:33:18 +0200 | [diff] [blame] | 698 | for ((i) = 0, (f) = &(td)->files[0]; (i) < (int) (td)->nr_files; (i)++, (f)++) |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 699 | |
Jens Axboe | 0032bf9 | 2007-02-13 17:39:56 +0100 | [diff] [blame] | 700 | #define fio_assert(td, cond) do { \ |
| 701 | if (!(cond)) { \ |
Jens Axboe | 340fd24 | 2007-02-13 20:09:10 +0100 | [diff] [blame] | 702 | int *__foo = NULL; \ |
Jens Axboe | 0032bf9 | 2007-02-13 17:39:56 +0100 | [diff] [blame] | 703 | fprintf(stderr, "file:%s:%d, assert %s failed\n", __FILE__, __LINE__, #cond); \ |
| 704 | (td)->runstate = TD_EXITED; \ |
Jens Axboe | 437c9b7 | 2007-02-13 18:20:37 +0100 | [diff] [blame] | 705 | (td)->error = EFAULT; \ |
Jens Axboe | 340fd24 | 2007-02-13 20:09:10 +0100 | [diff] [blame] | 706 | *__foo = 0; \ |
Jens Axboe | 0032bf9 | 2007-02-13 17:39:56 +0100 | [diff] [blame] | 707 | } \ |
| 708 | } while (0) |
| 709 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 710 | #endif |