Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1 | #include <unistd.h> |
| 2 | #include <fcntl.h> |
| 3 | #include <string.h> |
| 4 | #include <signal.h> |
| 5 | #include <time.h> |
Jens Axboe | 0c6e751 | 2007-02-22 11:19:39 +0100 | [diff] [blame] | 6 | #include <assert.h> |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 7 | |
| 8 | #include "fio.h" |
Jens Axboe | 5973caf | 2008-05-21 19:52:35 +0200 | [diff] [blame] | 9 | #include "hash.h" |
Jens Axboe | 4f5af7b | 2009-06-03 08:45:40 +0200 | [diff] [blame] | 10 | #include "verify.h" |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 11 | #include "trim.h" |
Jens Axboe | 1fbbf72 | 2010-03-25 23:03:18 +0100 | [diff] [blame] | 12 | #include "lib/rand.h" |
Jens Axboe | 7ebd796 | 2012-11-28 21:24:46 +0100 | [diff] [blame] | 13 | #include "lib/axmap.h" |
Jens Axboe | 002fe73 | 2014-02-11 08:31:13 -0700 | [diff] [blame] | 14 | #include "err.h" |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 15 | #include "lib/pow2.h" |
| 16 | #include "minmax.h" |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 17 | |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 18 | struct io_completion_data { |
| 19 | int nr; /* input */ |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 20 | |
| 21 | int error; /* output */ |
Jens Axboe | 100f49f | 2013-01-23 10:15:57 -0700 | [diff] [blame] | 22 | uint64_t bytes_done[DDIR_RWDIR_CNT]; /* output */ |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 23 | struct timeval time; /* output */ |
| 24 | }; |
| 25 | |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 26 | /* |
Jens Axboe | 7ebd796 | 2012-11-28 21:24:46 +0100 | [diff] [blame] | 27 | * The ->io_axmap contains a map of blocks we have or have not done io |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 28 | * to yet. Used to make sure we cover the entire range in a fair fashion. |
| 29 | */ |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 30 | static bool random_map_free(struct fio_file *f, const uint64_t block) |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 31 | { |
Jens Axboe | 7ebd796 | 2012-11-28 21:24:46 +0100 | [diff] [blame] | 32 | return !axmap_isset(f->io_axmap, block); |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 33 | } |
| 34 | |
| 35 | /* |
Jens Axboe | df41558 | 2006-10-20 11:41:03 +0200 | [diff] [blame] | 36 | * Mark a given offset as used in the map. |
| 37 | */ |
Jens Axboe | 9bf2061 | 2007-03-01 09:33:57 +0100 | [diff] [blame] | 38 | static void mark_random_map(struct thread_data *td, struct io_u *io_u) |
Jens Axboe | df41558 | 2006-10-20 11:41:03 +0200 | [diff] [blame] | 39 | { |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 40 | unsigned int min_bs = td->o.rw_min_bs; |
Jens Axboe | 9bf2061 | 2007-03-01 09:33:57 +0100 | [diff] [blame] | 41 | struct fio_file *f = io_u->file; |
Jens Axboe | 51ede0b | 2012-11-22 13:50:29 +0100 | [diff] [blame] | 42 | unsigned int nr_blocks; |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame] | 43 | uint64_t block; |
Jens Axboe | df41558 | 2006-10-20 11:41:03 +0200 | [diff] [blame] | 44 | |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame] | 45 | block = (io_u->offset - f->file_offset) / (uint64_t) min_bs; |
Jens Axboe | c685b5b | 2007-02-10 20:02:28 +0100 | [diff] [blame] | 46 | nr_blocks = (io_u->buflen + min_bs - 1) / min_bs; |
| 47 | |
Jens Axboe | 2ab9e98 | 2012-11-22 15:14:17 +0100 | [diff] [blame] | 48 | if (!(io_u->flags & IO_U_F_BUSY_OK)) |
Jens Axboe | 7ebd796 | 2012-11-28 21:24:46 +0100 | [diff] [blame] | 49 | nr_blocks = axmap_set_nr(f->io_axmap, block, nr_blocks); |
Jens Axboe | df41558 | 2006-10-20 11:41:03 +0200 | [diff] [blame] | 50 | |
Jens Axboe | 51ede0b | 2012-11-22 13:50:29 +0100 | [diff] [blame] | 51 | if ((nr_blocks * min_bs) < io_u->buflen) |
| 52 | io_u->buflen = nr_blocks * min_bs; |
Jens Axboe | df41558 | 2006-10-20 11:41:03 +0200 | [diff] [blame] | 53 | } |
| 54 | |
Jens Axboe | 7477673 | 2013-01-11 14:03:25 +0100 | [diff] [blame] | 55 | static uint64_t last_block(struct thread_data *td, struct fio_file *f, |
| 56 | enum fio_ddir ddir) |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 57 | { |
Jens Axboe | 7477673 | 2013-01-11 14:03:25 +0100 | [diff] [blame] | 58 | uint64_t max_blocks; |
| 59 | uint64_t max_size; |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 60 | |
Jens Axboe | ff58fce | 2010-08-25 12:02:08 +0200 | [diff] [blame] | 61 | assert(ddir_rw(ddir)); |
| 62 | |
Jens Axboe | d9dd70f | 2008-05-23 12:37:23 +0200 | [diff] [blame] | 63 | /* |
| 64 | * Hmm, should we make sure that ->io_size <= ->real_file_size? |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 65 | * -> not for now since there is code assuming it could go either. |
Jens Axboe | d9dd70f | 2008-05-23 12:37:23 +0200 | [diff] [blame] | 66 | */ |
| 67 | max_size = f->io_size; |
| 68 | if (max_size > f->real_file_size) |
| 69 | max_size = f->real_file_size; |
| 70 | |
Steven Noonan | ed33585 | 2012-01-31 13:58:00 +0100 | [diff] [blame] | 71 | if (td->o.zone_range) |
| 72 | max_size = td->o.zone_range; |
| 73 | |
Justin Eno | e67b928 | 2015-01-27 14:23:20 -0800 | [diff] [blame] | 74 | if (td->o.min_bs[ddir] > td->o.ba[ddir]) |
| 75 | max_size -= td->o.min_bs[ddir] - td->o.ba[ddir]; |
| 76 | |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame] | 77 | max_blocks = max_size / (uint64_t) td->o.ba[ddir]; |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 78 | if (!max_blocks) |
| 79 | return 0; |
| 80 | |
Jens Axboe | 67778e8 | 2008-05-15 09:20:08 +0200 | [diff] [blame] | 81 | return max_blocks; |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 82 | } |
| 83 | |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame] | 84 | struct rand_off { |
| 85 | struct flist_head list; |
| 86 | uint64_t off; |
| 87 | }; |
| 88 | |
Jens Axboe | e25839d | 2012-11-06 10:49:42 +0100 | [diff] [blame] | 89 | static int __get_next_rand_offset(struct thread_data *td, struct fio_file *f, |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 90 | enum fio_ddir ddir, uint64_t *b, |
| 91 | uint64_t lastb) |
Jens Axboe | ec4015d | 2007-03-23 08:04:27 +0100 | [diff] [blame] | 92 | { |
Jens Axboe | 46ad62d | 2014-11-23 18:41:11 -0700 | [diff] [blame] | 93 | uint64_t r; |
Jens Axboe | ec4015d | 2007-03-23 08:04:27 +0100 | [diff] [blame] | 94 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 95 | if (td->o.random_generator == FIO_RAND_GEN_TAUSWORTHE || |
| 96 | td->o.random_generator == FIO_RAND_GEN_TAUSWORTHE64) { |
Jens Axboe | 46ad62d | 2014-11-23 18:41:11 -0700 | [diff] [blame] | 97 | |
Jens Axboe | f678701 | 2014-11-05 18:39:23 -0700 | [diff] [blame] | 98 | r = __rand(&td->random_state); |
Jens Axboe | 8055e41 | 2012-11-26 08:43:47 +0100 | [diff] [blame] | 99 | |
Jens Axboe | 4b91ee8 | 2013-02-25 10:18:33 +0100 | [diff] [blame] | 100 | dprint(FD_RANDOM, "off rand %llu\n", (unsigned long long) r); |
Jens Axboe | 8055e41 | 2012-11-26 08:43:47 +0100 | [diff] [blame] | 101 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 102 | *b = lastb * (r / (rand_max(&td->random_state) + 1.0)); |
Jens Axboe | 51ede0b | 2012-11-22 13:50:29 +0100 | [diff] [blame] | 103 | } else { |
Jens Axboe | 8055e41 | 2012-11-26 08:43:47 +0100 | [diff] [blame] | 104 | uint64_t off = 0; |
| 105 | |
Jens Axboe | d55dd04 | 2014-12-15 09:38:43 -0700 | [diff] [blame] | 106 | assert(fio_file_lfsr(f)); |
| 107 | |
Jens Axboe | 46ad62d | 2014-11-23 18:41:11 -0700 | [diff] [blame] | 108 | if (lfsr_next(&f->lfsr, &off)) |
Jens Axboe | 8055e41 | 2012-11-26 08:43:47 +0100 | [diff] [blame] | 109 | return 1; |
| 110 | |
| 111 | *b = off; |
Jens Axboe | 51ede0b | 2012-11-22 13:50:29 +0100 | [diff] [blame] | 112 | } |
Jens Axboe | 2615cc4 | 2011-03-28 09:35:09 +0200 | [diff] [blame] | 113 | |
Jens Axboe | ec4015d | 2007-03-23 08:04:27 +0100 | [diff] [blame] | 114 | /* |
Jens Axboe | 51ede0b | 2012-11-22 13:50:29 +0100 | [diff] [blame] | 115 | * if we are not maintaining a random map, we are done. |
Jens Axboe | ec4015d | 2007-03-23 08:04:27 +0100 | [diff] [blame] | 116 | */ |
Jens Axboe | 51ede0b | 2012-11-22 13:50:29 +0100 | [diff] [blame] | 117 | if (!file_randommap(td, f)) |
| 118 | goto ret; |
Jens Axboe | 43c63a7 | 2007-05-21 13:23:30 +0200 | [diff] [blame] | 119 | |
| 120 | /* |
Jens Axboe | 51ede0b | 2012-11-22 13:50:29 +0100 | [diff] [blame] | 121 | * calculate map offset and check if it's free |
Jens Axboe | 43c63a7 | 2007-05-21 13:23:30 +0200 | [diff] [blame] | 122 | */ |
Jens Axboe | 51ede0b | 2012-11-22 13:50:29 +0100 | [diff] [blame] | 123 | if (random_map_free(f, *b)) |
| 124 | goto ret; |
| 125 | |
Jens Axboe | 4b91ee8 | 2013-02-25 10:18:33 +0100 | [diff] [blame] | 126 | dprint(FD_RANDOM, "get_next_rand_offset: offset %llu busy\n", |
| 127 | (unsigned long long) *b); |
Jens Axboe | 51ede0b | 2012-11-22 13:50:29 +0100 | [diff] [blame] | 128 | |
Jens Axboe | 7ebd796 | 2012-11-28 21:24:46 +0100 | [diff] [blame] | 129 | *b = axmap_next_free(f->io_axmap, *b); |
Jens Axboe | 51ede0b | 2012-11-22 13:50:29 +0100 | [diff] [blame] | 130 | if (*b == (uint64_t) -1ULL) |
| 131 | return 1; |
Jens Axboe | 0ce8b11 | 2011-01-27 22:25:29 +0100 | [diff] [blame] | 132 | ret: |
| 133 | return 0; |
Jens Axboe | ec4015d | 2007-03-23 08:04:27 +0100 | [diff] [blame] | 134 | } |
| 135 | |
Jens Axboe | 925fee3 | 2012-11-06 13:50:32 +0100 | [diff] [blame] | 136 | static int __get_next_rand_offset_zipf(struct thread_data *td, |
| 137 | struct fio_file *f, enum fio_ddir ddir, |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame] | 138 | uint64_t *b) |
Jens Axboe | e25839d | 2012-11-06 10:49:42 +0100 | [diff] [blame] | 139 | { |
Jens Axboe | 9c6f631 | 2012-11-07 09:15:45 +0100 | [diff] [blame] | 140 | *b = zipf_next(&f->zipf); |
Jens Axboe | e25839d | 2012-11-06 10:49:42 +0100 | [diff] [blame] | 141 | return 0; |
| 142 | } |
| 143 | |
Jens Axboe | 925fee3 | 2012-11-06 13:50:32 +0100 | [diff] [blame] | 144 | static int __get_next_rand_offset_pareto(struct thread_data *td, |
| 145 | struct fio_file *f, enum fio_ddir ddir, |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame] | 146 | uint64_t *b) |
Jens Axboe | 925fee3 | 2012-11-06 13:50:32 +0100 | [diff] [blame] | 147 | { |
Jens Axboe | 9c6f631 | 2012-11-07 09:15:45 +0100 | [diff] [blame] | 148 | *b = pareto_next(&f->zipf); |
Jens Axboe | 925fee3 | 2012-11-06 13:50:32 +0100 | [diff] [blame] | 149 | return 0; |
| 150 | } |
| 151 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 152 | static int __get_next_rand_offset_gauss(struct thread_data *td, |
| 153 | struct fio_file *f, enum fio_ddir ddir, |
| 154 | uint64_t *b) |
| 155 | { |
| 156 | *b = gauss_next(&f->gauss); |
| 157 | return 0; |
| 158 | } |
| 159 | |
| 160 | static int __get_next_rand_offset_zoned(struct thread_data *td, |
| 161 | struct fio_file *f, enum fio_ddir ddir, |
| 162 | uint64_t *b) |
| 163 | { |
| 164 | unsigned int v, send, stotal; |
| 165 | uint64_t offset, lastb; |
| 166 | static int warned; |
| 167 | struct zone_split_index *zsi; |
| 168 | |
| 169 | lastb = last_block(td, f, ddir); |
| 170 | if (!lastb) |
| 171 | return 1; |
| 172 | |
| 173 | if (!td->o.zone_split_nr[ddir]) { |
| 174 | bail: |
| 175 | return __get_next_rand_offset(td, f, ddir, b, lastb); |
| 176 | } |
| 177 | |
| 178 | /* |
| 179 | * Generate a value, v, between 1 and 100, both inclusive |
| 180 | */ |
| 181 | v = rand32_between(&td->zone_state, 1, 100); |
| 182 | |
| 183 | zsi = &td->zone_state_index[ddir][v - 1]; |
| 184 | stotal = zsi->size_perc_prev; |
| 185 | send = zsi->size_perc; |
| 186 | |
| 187 | /* |
| 188 | * Should never happen |
| 189 | */ |
| 190 | if (send == -1U) { |
| 191 | if (!warned) { |
| 192 | log_err("fio: bug in zoned generation\n"); |
| 193 | warned = 1; |
| 194 | } |
| 195 | goto bail; |
| 196 | } |
| 197 | |
| 198 | /* |
| 199 | * 'send' is some percentage below or equal to 100 that |
| 200 | * marks the end of the current IO range. 'stotal' marks |
| 201 | * the start, in percent. |
| 202 | */ |
| 203 | if (stotal) |
| 204 | offset = stotal * lastb / 100ULL; |
| 205 | else |
| 206 | offset = 0; |
| 207 | |
| 208 | lastb = lastb * (send - stotal) / 100ULL; |
| 209 | |
| 210 | /* |
| 211 | * Generate index from 0..send-of-lastb |
| 212 | */ |
| 213 | if (__get_next_rand_offset(td, f, ddir, b, lastb) == 1) |
| 214 | return 1; |
| 215 | |
| 216 | /* |
| 217 | * Add our start offset, if any |
| 218 | */ |
| 219 | if (offset) |
| 220 | *b += offset; |
| 221 | |
| 222 | return 0; |
| 223 | } |
| 224 | |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame] | 225 | static int flist_cmp(void *data, struct flist_head *a, struct flist_head *b) |
| 226 | { |
| 227 | struct rand_off *r1 = flist_entry(a, struct rand_off, list); |
| 228 | struct rand_off *r2 = flist_entry(b, struct rand_off, list); |
| 229 | |
| 230 | return r1->off - r2->off; |
| 231 | } |
| 232 | |
| 233 | static int get_off_from_method(struct thread_data *td, struct fio_file *f, |
| 234 | enum fio_ddir ddir, uint64_t *b) |
Jens Axboe | e25839d | 2012-11-06 10:49:42 +0100 | [diff] [blame] | 235 | { |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 236 | if (td->o.random_distribution == FIO_RAND_DIST_RANDOM) { |
| 237 | uint64_t lastb; |
| 238 | |
| 239 | lastb = last_block(td, f, ddir); |
| 240 | if (!lastb) |
| 241 | return 1; |
| 242 | |
| 243 | return __get_next_rand_offset(td, f, ddir, b, lastb); |
| 244 | } else if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) |
Jens Axboe | e25839d | 2012-11-06 10:49:42 +0100 | [diff] [blame] | 245 | return __get_next_rand_offset_zipf(td, f, ddir, b); |
Jens Axboe | 925fee3 | 2012-11-06 13:50:32 +0100 | [diff] [blame] | 246 | else if (td->o.random_distribution == FIO_RAND_DIST_PARETO) |
| 247 | return __get_next_rand_offset_pareto(td, f, ddir, b); |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 248 | else if (td->o.random_distribution == FIO_RAND_DIST_GAUSS) |
| 249 | return __get_next_rand_offset_gauss(td, f, ddir, b); |
| 250 | else if (td->o.random_distribution == FIO_RAND_DIST_ZONED) |
| 251 | return __get_next_rand_offset_zoned(td, f, ddir, b); |
Jens Axboe | e25839d | 2012-11-06 10:49:42 +0100 | [diff] [blame] | 252 | |
| 253 | log_err("fio: unknown random distribution: %d\n", td->o.random_distribution); |
| 254 | return 1; |
| 255 | } |
| 256 | |
Jens Axboe | bcd5abf | 2013-01-23 09:27:25 -0700 | [diff] [blame] | 257 | /* |
| 258 | * Sort the reads for a verify phase in batches of verifysort_nr, if |
| 259 | * specified. |
| 260 | */ |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 261 | static inline bool should_sort_io(struct thread_data *td) |
Jens Axboe | bcd5abf | 2013-01-23 09:27:25 -0700 | [diff] [blame] | 262 | { |
| 263 | if (!td->o.verifysort_nr || !td->o.do_verify) |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 264 | return false; |
Jens Axboe | bcd5abf | 2013-01-23 09:27:25 -0700 | [diff] [blame] | 265 | if (!td_random(td)) |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 266 | return false; |
Jens Axboe | bcd5abf | 2013-01-23 09:27:25 -0700 | [diff] [blame] | 267 | if (td->runstate != TD_VERIFYING) |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 268 | return false; |
| 269 | if (td->o.random_generator == FIO_RAND_GEN_TAUSWORTHE || |
| 270 | td->o.random_generator == FIO_RAND_GEN_TAUSWORTHE64) |
| 271 | return false; |
Jens Axboe | bcd5abf | 2013-01-23 09:27:25 -0700 | [diff] [blame] | 272 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 273 | return true; |
Jens Axboe | bcd5abf | 2013-01-23 09:27:25 -0700 | [diff] [blame] | 274 | } |
| 275 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 276 | static bool should_do_random(struct thread_data *td, enum fio_ddir ddir) |
Jens Axboe | 211c9b8 | 2013-04-26 08:56:17 -0600 | [diff] [blame] | 277 | { |
| 278 | unsigned int v; |
Jens Axboe | 211c9b8 | 2013-04-26 08:56:17 -0600 | [diff] [blame] | 279 | |
Jens Axboe | d947227 | 2013-07-25 10:20:45 -0600 | [diff] [blame] | 280 | if (td->o.perc_rand[ddir] == 100) |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 281 | return true; |
Jens Axboe | 211c9b8 | 2013-04-26 08:56:17 -0600 | [diff] [blame] | 282 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 283 | v = rand32_between(&td->seq_rand_state[ddir], 1, 100); |
Jens Axboe | 211c9b8 | 2013-04-26 08:56:17 -0600 | [diff] [blame] | 284 | |
Jens Axboe | d947227 | 2013-07-25 10:20:45 -0600 | [diff] [blame] | 285 | return v <= td->o.perc_rand[ddir]; |
Jens Axboe | 211c9b8 | 2013-04-26 08:56:17 -0600 | [diff] [blame] | 286 | } |
| 287 | |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame] | 288 | static int get_next_rand_offset(struct thread_data *td, struct fio_file *f, |
| 289 | enum fio_ddir ddir, uint64_t *b) |
| 290 | { |
| 291 | struct rand_off *r; |
| 292 | int i, ret = 1; |
| 293 | |
Jens Axboe | bcd5abf | 2013-01-23 09:27:25 -0700 | [diff] [blame] | 294 | if (!should_sort_io(td)) |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame] | 295 | return get_off_from_method(td, f, ddir, b); |
| 296 | |
| 297 | if (!flist_empty(&td->next_rand_list)) { |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame] | 298 | fetch: |
Jens Axboe | 12dbd06 | 2014-07-03 21:19:57 -0600 | [diff] [blame] | 299 | r = flist_first_entry(&td->next_rand_list, struct rand_off, list); |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame] | 300 | flist_del(&r->list); |
| 301 | *b = r->off; |
| 302 | free(r); |
| 303 | return 0; |
| 304 | } |
| 305 | |
| 306 | for (i = 0; i < td->o.verifysort_nr; i++) { |
| 307 | r = malloc(sizeof(*r)); |
| 308 | |
| 309 | ret = get_off_from_method(td, f, ddir, &r->off); |
| 310 | if (ret) { |
| 311 | free(r); |
| 312 | break; |
| 313 | } |
| 314 | |
| 315 | flist_add(&r->list, &td->next_rand_list); |
| 316 | } |
| 317 | |
| 318 | if (ret && !i) |
| 319 | return ret; |
| 320 | |
| 321 | assert(!flist_empty(&td->next_rand_list)); |
| 322 | flist_sort(NULL, &td->next_rand_list, flist_cmp); |
| 323 | goto fetch; |
| 324 | } |
| 325 | |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 326 | static int get_next_rand_block(struct thread_data *td, struct fio_file *f, |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame] | 327 | enum fio_ddir ddir, uint64_t *b) |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 328 | { |
Daniel Ehrenberg | c04e466 | 2012-03-16 18:54:15 +0100 | [diff] [blame] | 329 | if (!get_next_rand_offset(td, f, ddir, b)) |
| 330 | return 0; |
| 331 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 332 | if (td->o.time_based || |
| 333 | (td->o.file_service_type & __FIO_FSERVICE_NONUNIFORM)) { |
Jens Axboe | 33c4881 | 2013-01-21 09:46:06 -0700 | [diff] [blame] | 334 | fio_file_reset(td, f); |
Daniel Ehrenberg | c04e466 | 2012-03-16 18:54:15 +0100 | [diff] [blame] | 335 | if (!get_next_rand_offset(td, f, ddir, b)) |
| 336 | return 0; |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 337 | } |
| 338 | |
Daniel Ehrenberg | c04e466 | 2012-03-16 18:54:15 +0100 | [diff] [blame] | 339 | dprint(FD_IO, "%s: rand offset failed, last=%llu, size=%llu\n", |
Jens Axboe | 08a99be | 2014-12-14 19:01:24 -0700 | [diff] [blame] | 340 | f->file_name, (unsigned long long) f->last_pos[ddir], |
Jens Axboe | 4b91ee8 | 2013-02-25 10:18:33 +0100 | [diff] [blame] | 341 | (unsigned long long) f->real_file_size); |
Daniel Ehrenberg | c04e466 | 2012-03-16 18:54:15 +0100 | [diff] [blame] | 342 | return 1; |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 343 | } |
| 344 | |
Jens Axboe | 37cf9e3 | 2012-03-17 12:54:30 +0100 | [diff] [blame] | 345 | static int get_next_seq_offset(struct thread_data *td, struct fio_file *f, |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame] | 346 | enum fio_ddir ddir, uint64_t *offset) |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 347 | { |
Jens Axboe | 8a42394 | 2014-09-28 16:18:43 -0600 | [diff] [blame] | 348 | struct thread_options *o = &td->o; |
| 349 | |
Jens Axboe | ff58fce | 2010-08-25 12:02:08 +0200 | [diff] [blame] | 350 | assert(ddir_rw(ddir)); |
| 351 | |
Jens Axboe | 08a99be | 2014-12-14 19:01:24 -0700 | [diff] [blame] | 352 | if (f->last_pos[ddir] >= f->io_size + get_start_offset(td, f) && |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 353 | o->time_based) { |
| 354 | struct thread_options *o = &td->o; |
| 355 | uint64_t io_size = f->io_size + (f->io_size % o->min_bs[ddir]); |
| 356 | |
| 357 | if (io_size > f->last_pos[ddir]) |
| 358 | f->last_pos[ddir] = 0; |
| 359 | else |
| 360 | f->last_pos[ddir] = f->last_pos[ddir] - io_size; |
| 361 | } |
Daniel Ehrenberg | c04e466 | 2012-03-16 18:54:15 +0100 | [diff] [blame] | 362 | |
Jens Axboe | 08a99be | 2014-12-14 19:01:24 -0700 | [diff] [blame] | 363 | if (f->last_pos[ddir] < f->real_file_size) { |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame] | 364 | uint64_t pos; |
Jens Axboe | 059b080 | 2011-08-25 09:09:37 +0200 | [diff] [blame] | 365 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 366 | if (f->last_pos[ddir] == f->file_offset && o->ddir_seq_add < 0) { |
| 367 | if (f->real_file_size > f->io_size) |
| 368 | f->last_pos[ddir] = f->io_size; |
| 369 | else |
| 370 | f->last_pos[ddir] = f->real_file_size; |
| 371 | } |
Jens Axboe | a66da7a | 2011-08-31 13:14:12 -0600 | [diff] [blame] | 372 | |
Jens Axboe | 08a99be | 2014-12-14 19:01:24 -0700 | [diff] [blame] | 373 | pos = f->last_pos[ddir] - f->file_offset; |
Jens Axboe | 8a42394 | 2014-09-28 16:18:43 -0600 | [diff] [blame] | 374 | if (pos && o->ddir_seq_add) { |
| 375 | pos += o->ddir_seq_add; |
| 376 | |
| 377 | /* |
| 378 | * If we reach beyond the end of the file |
| 379 | * with holed IO, wrap around to the |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 380 | * beginning again. If we're doing backwards IO, |
| 381 | * wrap to the end. |
Jens Axboe | 8a42394 | 2014-09-28 16:18:43 -0600 | [diff] [blame] | 382 | */ |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 383 | if (pos >= f->real_file_size) { |
| 384 | if (o->ddir_seq_add > 0) |
| 385 | pos = f->file_offset; |
| 386 | else { |
| 387 | if (f->real_file_size > f->io_size) |
| 388 | pos = f->io_size; |
| 389 | else |
| 390 | pos = f->real_file_size; |
| 391 | |
| 392 | pos += o->ddir_seq_add; |
| 393 | } |
| 394 | } |
Jens Axboe | 8a42394 | 2014-09-28 16:18:43 -0600 | [diff] [blame] | 395 | } |
Jens Axboe | 059b080 | 2011-08-25 09:09:37 +0200 | [diff] [blame] | 396 | |
Jens Axboe | 37cf9e3 | 2012-03-17 12:54:30 +0100 | [diff] [blame] | 397 | *offset = pos; |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 398 | return 0; |
| 399 | } |
| 400 | |
| 401 | return 1; |
| 402 | } |
| 403 | |
| 404 | static int get_next_block(struct thread_data *td, struct io_u *io_u, |
Jens Axboe | 6aca9b3 | 2013-07-25 12:45:26 -0600 | [diff] [blame] | 405 | enum fio_ddir ddir, int rw_seq, |
| 406 | unsigned int *is_random) |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 407 | { |
| 408 | struct fio_file *f = io_u->file; |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame] | 409 | uint64_t b, offset; |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 410 | int ret; |
| 411 | |
Jens Axboe | ff58fce | 2010-08-25 12:02:08 +0200 | [diff] [blame] | 412 | assert(ddir_rw(ddir)); |
| 413 | |
Jens Axboe | 37cf9e3 | 2012-03-17 12:54:30 +0100 | [diff] [blame] | 414 | b = offset = -1ULL; |
| 415 | |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 416 | if (rw_seq) { |
Jens Axboe | 211c9b8 | 2013-04-26 08:56:17 -0600 | [diff] [blame] | 417 | if (td_random(td)) { |
Jens Axboe | 6aca9b3 | 2013-07-25 12:45:26 -0600 | [diff] [blame] | 418 | if (should_do_random(td, ddir)) { |
Jens Axboe | 211c9b8 | 2013-04-26 08:56:17 -0600 | [diff] [blame] | 419 | ret = get_next_rand_block(td, f, ddir, &b); |
Jens Axboe | 6aca9b3 | 2013-07-25 12:45:26 -0600 | [diff] [blame] | 420 | *is_random = 1; |
| 421 | } else { |
| 422 | *is_random = 0; |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 423 | io_u_set(td, io_u, IO_U_F_BUSY_OK); |
Jens Axboe | 211c9b8 | 2013-04-26 08:56:17 -0600 | [diff] [blame] | 424 | ret = get_next_seq_offset(td, f, ddir, &offset); |
| 425 | if (ret) |
| 426 | ret = get_next_rand_block(td, f, ddir, &b); |
| 427 | } |
Jens Axboe | 6aca9b3 | 2013-07-25 12:45:26 -0600 | [diff] [blame] | 428 | } else { |
| 429 | *is_random = 0; |
Jens Axboe | 37cf9e3 | 2012-03-17 12:54:30 +0100 | [diff] [blame] | 430 | ret = get_next_seq_offset(td, f, ddir, &offset); |
Jens Axboe | 6aca9b3 | 2013-07-25 12:45:26 -0600 | [diff] [blame] | 431 | } |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 432 | } else { |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 433 | io_u_set(td, io_u, IO_U_F_BUSY_OK); |
Jens Axboe | 6aca9b3 | 2013-07-25 12:45:26 -0600 | [diff] [blame] | 434 | *is_random = 0; |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 435 | |
| 436 | if (td->o.rw_seq == RW_SEQ_SEQ) { |
Jens Axboe | 37cf9e3 | 2012-03-17 12:54:30 +0100 | [diff] [blame] | 437 | ret = get_next_seq_offset(td, f, ddir, &offset); |
Jens Axboe | 6aca9b3 | 2013-07-25 12:45:26 -0600 | [diff] [blame] | 438 | if (ret) { |
Jens Axboe | 37cf9e3 | 2012-03-17 12:54:30 +0100 | [diff] [blame] | 439 | ret = get_next_rand_block(td, f, ddir, &b); |
Jens Axboe | 6aca9b3 | 2013-07-25 12:45:26 -0600 | [diff] [blame] | 440 | *is_random = 0; |
| 441 | } |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 442 | } else if (td->o.rw_seq == RW_SEQ_IDENT) { |
Jens Axboe | 08a99be | 2014-12-14 19:01:24 -0700 | [diff] [blame] | 443 | if (f->last_start[ddir] != -1ULL) |
| 444 | offset = f->last_start[ddir] - f->file_offset; |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 445 | else |
Jens Axboe | 37cf9e3 | 2012-03-17 12:54:30 +0100 | [diff] [blame] | 446 | offset = 0; |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 447 | ret = 0; |
| 448 | } else { |
| 449 | log_err("fio: unknown rw_seq=%d\n", td->o.rw_seq); |
| 450 | ret = 1; |
| 451 | } |
| 452 | } |
Bruce Cran | 6d68b99 | 2013-01-13 17:21:58 +0000 | [diff] [blame] | 453 | |
Jens Axboe | 37cf9e3 | 2012-03-17 12:54:30 +0100 | [diff] [blame] | 454 | if (!ret) { |
| 455 | if (offset != -1ULL) |
| 456 | io_u->offset = offset; |
| 457 | else if (b != -1ULL) |
| 458 | io_u->offset = b * td->o.ba[ddir]; |
| 459 | else { |
Jens Axboe | 4e0a8fa | 2013-04-15 11:40:57 +0200 | [diff] [blame] | 460 | log_err("fio: bug in offset generation: offset=%llu, b=%llu\n", (unsigned long long) offset, (unsigned long long) b); |
Jens Axboe | 37cf9e3 | 2012-03-17 12:54:30 +0100 | [diff] [blame] | 461 | ret = 1; |
| 462 | } |
| 463 | } |
| 464 | |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 465 | return ret; |
| 466 | } |
| 467 | |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 468 | /* |
| 469 | * For random io, generate a random new block and see if it's used. Repeat |
| 470 | * until we find a free one. For sequential io, just return the end of |
| 471 | * the last io issued. |
| 472 | */ |
Jens Axboe | 6aca9b3 | 2013-07-25 12:45:26 -0600 | [diff] [blame] | 473 | static int __get_next_offset(struct thread_data *td, struct io_u *io_u, |
| 474 | unsigned int *is_random) |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 475 | { |
Jens Axboe | 9bf2061 | 2007-03-01 09:33:57 +0100 | [diff] [blame] | 476 | struct fio_file *f = io_u->file; |
Jens Axboe | 4ba6613 | 2008-02-05 10:05:50 +0100 | [diff] [blame] | 477 | enum fio_ddir ddir = io_u->ddir; |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 478 | int rw_seq_hit = 0; |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 479 | |
Jens Axboe | ff58fce | 2010-08-25 12:02:08 +0200 | [diff] [blame] | 480 | assert(ddir_rw(ddir)); |
| 481 | |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 482 | if (td->o.ddir_seq_nr && !--td->ddir_seq_nr) { |
| 483 | rw_seq_hit = 1; |
Jens Axboe | 5736c10 | 2010-07-20 12:03:25 -0600 | [diff] [blame] | 484 | td->ddir_seq_nr = td->o.ddir_seq_nr; |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 485 | } |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 486 | |
Jens Axboe | 6aca9b3 | 2013-07-25 12:45:26 -0600 | [diff] [blame] | 487 | if (get_next_block(td, io_u, ddir, rw_seq_hit, is_random)) |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 488 | return 1; |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 489 | |
Jens Axboe | 009bd84 | 2008-05-15 10:19:46 +0200 | [diff] [blame] | 490 | if (io_u->offset >= f->io_size) { |
| 491 | dprint(FD_IO, "get_next_offset: offset %llu >= io_size %llu\n", |
Jens Axboe | 4b91ee8 | 2013-02-25 10:18:33 +0100 | [diff] [blame] | 492 | (unsigned long long) io_u->offset, |
| 493 | (unsigned long long) f->io_size); |
Jens Axboe | 009bd84 | 2008-05-15 10:19:46 +0200 | [diff] [blame] | 494 | return 1; |
| 495 | } |
| 496 | |
| 497 | io_u->offset += f->file_offset; |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 498 | if (io_u->offset >= f->real_file_size) { |
| 499 | dprint(FD_IO, "get_next_offset: offset %llu >= size %llu\n", |
Jens Axboe | 4b91ee8 | 2013-02-25 10:18:33 +0100 | [diff] [blame] | 500 | (unsigned long long) io_u->offset, |
| 501 | (unsigned long long) f->real_file_size); |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 502 | return 1; |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 503 | } |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 504 | |
| 505 | return 0; |
| 506 | } |
| 507 | |
Jens Axboe | 6aca9b3 | 2013-07-25 12:45:26 -0600 | [diff] [blame] | 508 | static int get_next_offset(struct thread_data *td, struct io_u *io_u, |
| 509 | unsigned int *is_random) |
Jens Axboe | 15dc193 | 2010-03-05 10:59:06 +0100 | [diff] [blame] | 510 | { |
Jens Axboe | d72be54 | 2012-11-30 19:37:46 +0100 | [diff] [blame] | 511 | if (td->flags & TD_F_PROFILE_OPS) { |
| 512 | struct prof_io_ops *ops = &td->prof_io_ops; |
Jens Axboe | 7eb3657 | 2010-03-08 13:58:49 +0100 | [diff] [blame] | 513 | |
Jens Axboe | d72be54 | 2012-11-30 19:37:46 +0100 | [diff] [blame] | 514 | if (ops->fill_io_u_off) |
Jens Axboe | 6aca9b3 | 2013-07-25 12:45:26 -0600 | [diff] [blame] | 515 | return ops->fill_io_u_off(td, io_u, is_random); |
Jens Axboe | d72be54 | 2012-11-30 19:37:46 +0100 | [diff] [blame] | 516 | } |
Jens Axboe | 15dc193 | 2010-03-05 10:59:06 +0100 | [diff] [blame] | 517 | |
Jens Axboe | 6aca9b3 | 2013-07-25 12:45:26 -0600 | [diff] [blame] | 518 | return __get_next_offset(td, io_u, is_random); |
Jens Axboe | 15dc193 | 2010-03-05 10:59:06 +0100 | [diff] [blame] | 519 | } |
| 520 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 521 | static inline bool io_u_fits(struct thread_data *td, struct io_u *io_u, |
| 522 | unsigned int buflen) |
Jens Axboe | 7994412 | 2011-05-24 11:26:16 +0200 | [diff] [blame] | 523 | { |
| 524 | struct fio_file *f = io_u->file; |
| 525 | |
Jens Axboe | bedc9dc | 2014-03-17 12:51:09 -0600 | [diff] [blame] | 526 | return io_u->offset + buflen <= f->io_size + get_start_offset(td, f); |
Jens Axboe | 7994412 | 2011-05-24 11:26:16 +0200 | [diff] [blame] | 527 | } |
| 528 | |
Jens Axboe | 6aca9b3 | 2013-07-25 12:45:26 -0600 | [diff] [blame] | 529 | static unsigned int __get_next_buflen(struct thread_data *td, struct io_u *io_u, |
| 530 | unsigned int is_random) |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 531 | { |
Jens Axboe | 6aca9b3 | 2013-07-25 12:45:26 -0600 | [diff] [blame] | 532 | int ddir = io_u->ddir; |
Jens Axboe | 24d23ca | 2012-11-13 08:31:24 -0700 | [diff] [blame] | 533 | unsigned int buflen = 0; |
Jens Axboe | f3059de | 2008-06-11 15:37:32 +0200 | [diff] [blame] | 534 | unsigned int minbs, maxbs; |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 535 | uint64_t frand_max, r; |
| 536 | bool power_2; |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 537 | |
Erwan Velu | 9ee1c64 | 2014-04-02 10:51:16 +0200 | [diff] [blame] | 538 | assert(ddir_rw(ddir)); |
Jens Axboe | 6aca9b3 | 2013-07-25 12:45:26 -0600 | [diff] [blame] | 539 | |
| 540 | if (td->o.bs_is_seq_rand) |
| 541 | ddir = is_random ? DDIR_WRITE: DDIR_READ; |
Jens Axboe | ff58fce | 2010-08-25 12:02:08 +0200 | [diff] [blame] | 542 | |
Jens Axboe | f3059de | 2008-06-11 15:37:32 +0200 | [diff] [blame] | 543 | minbs = td->o.min_bs[ddir]; |
| 544 | maxbs = td->o.max_bs[ddir]; |
| 545 | |
Jens Axboe | 7994412 | 2011-05-24 11:26:16 +0200 | [diff] [blame] | 546 | if (minbs == maxbs) |
| 547 | return minbs; |
| 548 | |
Jens Axboe | 52c5802 | 2012-02-06 21:58:56 +0100 | [diff] [blame] | 549 | /* |
| 550 | * If we can't satisfy the min block size from here, then fail |
| 551 | */ |
| 552 | if (!io_u_fits(td, io_u, minbs)) |
| 553 | return 0; |
| 554 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 555 | frand_max = rand_max(&td->bsrange_state); |
Jens Axboe | 7994412 | 2011-05-24 11:26:16 +0200 | [diff] [blame] | 556 | do { |
Jens Axboe | f678701 | 2014-11-05 18:39:23 -0700 | [diff] [blame] | 557 | r = __rand(&td->bsrange_state); |
Jens Axboe | 4c07ad8 | 2011-03-28 09:51:09 +0200 | [diff] [blame] | 558 | |
Jens Axboe | 720e84a | 2009-04-21 08:29:55 +0200 | [diff] [blame] | 559 | if (!td->o.bssplit_nr[ddir]) { |
Jens Axboe | f3059de | 2008-06-11 15:37:32 +0200 | [diff] [blame] | 560 | buflen = 1 + (unsigned int) ((double) maxbs * |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 561 | (r / (frand_max + 1.0))); |
Jens Axboe | f3059de | 2008-06-11 15:37:32 +0200 | [diff] [blame] | 562 | if (buflen < minbs) |
| 563 | buflen = minbs; |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 564 | } else { |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 565 | long long perc = 0; |
Jens Axboe | 564ca97 | 2007-12-14 12:21:19 +0100 | [diff] [blame] | 566 | unsigned int i; |
| 567 | |
Jens Axboe | 720e84a | 2009-04-21 08:29:55 +0200 | [diff] [blame] | 568 | for (i = 0; i < td->o.bssplit_nr[ddir]; i++) { |
| 569 | struct bssplit *bsp = &td->o.bssplit[ddir][i]; |
Jens Axboe | 564ca97 | 2007-12-14 12:21:19 +0100 | [diff] [blame] | 570 | |
| 571 | buflen = bsp->bs; |
| 572 | perc += bsp->perc; |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 573 | if (!perc) |
| 574 | break; |
| 575 | if ((r / perc <= frand_max / 100ULL) && |
Jens Axboe | 7994412 | 2011-05-24 11:26:16 +0200 | [diff] [blame] | 576 | io_u_fits(td, io_u, buflen)) |
Jens Axboe | 564ca97 | 2007-12-14 12:21:19 +0100 | [diff] [blame] | 577 | break; |
| 578 | } |
| 579 | } |
Jens Axboe | 7994412 | 2011-05-24 11:26:16 +0200 | [diff] [blame] | 580 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 581 | power_2 = is_power_of_2(minbs); |
| 582 | if (!td->o.bs_unaligned && power_2) |
| 583 | buflen &= ~(minbs - 1); |
| 584 | else if (!td->o.bs_unaligned && !power_2) |
| 585 | buflen -= buflen % minbs; |
Jens Axboe | 7994412 | 2011-05-24 11:26:16 +0200 | [diff] [blame] | 586 | } while (!io_u_fits(td, io_u, buflen)); |
Jens Axboe | 6a5e688 | 2007-07-26 10:47:51 +0200 | [diff] [blame] | 587 | |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 588 | return buflen; |
| 589 | } |
| 590 | |
Jens Axboe | 6aca9b3 | 2013-07-25 12:45:26 -0600 | [diff] [blame] | 591 | static unsigned int get_next_buflen(struct thread_data *td, struct io_u *io_u, |
| 592 | unsigned int is_random) |
Jens Axboe | 15dc193 | 2010-03-05 10:59:06 +0100 | [diff] [blame] | 593 | { |
Jens Axboe | d72be54 | 2012-11-30 19:37:46 +0100 | [diff] [blame] | 594 | if (td->flags & TD_F_PROFILE_OPS) { |
| 595 | struct prof_io_ops *ops = &td->prof_io_ops; |
Jens Axboe | 7eb3657 | 2010-03-08 13:58:49 +0100 | [diff] [blame] | 596 | |
Jens Axboe | d72be54 | 2012-11-30 19:37:46 +0100 | [diff] [blame] | 597 | if (ops->fill_io_u_size) |
Jens Axboe | 6aca9b3 | 2013-07-25 12:45:26 -0600 | [diff] [blame] | 598 | return ops->fill_io_u_size(td, io_u, is_random); |
Jens Axboe | d72be54 | 2012-11-30 19:37:46 +0100 | [diff] [blame] | 599 | } |
Jens Axboe | 15dc193 | 2010-03-05 10:59:06 +0100 | [diff] [blame] | 600 | |
Jens Axboe | 6aca9b3 | 2013-07-25 12:45:26 -0600 | [diff] [blame] | 601 | return __get_next_buflen(td, io_u, is_random); |
Jens Axboe | 15dc193 | 2010-03-05 10:59:06 +0100 | [diff] [blame] | 602 | } |
| 603 | |
Jens Axboe | afe24a5 | 2007-03-16 20:27:27 +0100 | [diff] [blame] | 604 | static void set_rwmix_bytes(struct thread_data *td) |
| 605 | { |
Jens Axboe | afe24a5 | 2007-03-16 20:27:27 +0100 | [diff] [blame] | 606 | unsigned int diff; |
| 607 | |
| 608 | /* |
| 609 | * we do time or byte based switch. this is needed because |
| 610 | * buffered writes may issue a lot quicker than they complete, |
| 611 | * whereas reads do not. |
| 612 | */ |
Jens Axboe | e47f799 | 2007-03-21 14:05:39 +0100 | [diff] [blame] | 613 | diff = td->o.rwmix[td->rwmix_ddir ^ 1]; |
Jens Axboe | 04c540d | 2008-05-28 10:35:26 +0200 | [diff] [blame] | 614 | td->rwmix_issues = (td->io_issues[td->rwmix_ddir] * diff) / 100; |
Jens Axboe | e47f799 | 2007-03-21 14:05:39 +0100 | [diff] [blame] | 615 | } |
| 616 | |
| 617 | static inline enum fio_ddir get_rand_ddir(struct thread_data *td) |
| 618 | { |
| 619 | unsigned int v; |
Jens Axboe | e47f799 | 2007-03-21 14:05:39 +0100 | [diff] [blame] | 620 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 621 | v = rand32_between(&td->rwmix_state, 1, 100); |
Jens Axboe | 4c07ad8 | 2011-03-28 09:51:09 +0200 | [diff] [blame] | 622 | |
Jens Axboe | 04c540d | 2008-05-28 10:35:26 +0200 | [diff] [blame] | 623 | if (v <= td->o.rwmix[DDIR_READ]) |
Jens Axboe | e47f799 | 2007-03-21 14:05:39 +0100 | [diff] [blame] | 624 | return DDIR_READ; |
| 625 | |
| 626 | return DDIR_WRITE; |
Jens Axboe | afe24a5 | 2007-03-16 20:27:27 +0100 | [diff] [blame] | 627 | } |
| 628 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 629 | int io_u_quiesce(struct thread_data *td) |
Jens Axboe | 002e718 | 2013-05-17 12:39:53 +0200 | [diff] [blame] | 630 | { |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 631 | int completed = 0; |
| 632 | |
Jens Axboe | 002e718 | 2013-05-17 12:39:53 +0200 | [diff] [blame] | 633 | /* |
| 634 | * We are going to sleep, ensure that we flush anything pending as |
| 635 | * not to skew our latency numbers. |
| 636 | * |
| 637 | * Changed to only monitor 'in flight' requests here instead of the |
| 638 | * td->cur_depth, b/c td->cur_depth does not accurately represent |
| 639 | * io's that have been actually submitted to an async engine, |
| 640 | * and cur_depth is meaningless for sync engines. |
| 641 | */ |
Jens Axboe | 7e63b3d | 2015-01-15 10:39:12 -0700 | [diff] [blame] | 642 | if (td->io_u_queued || td->cur_depth) { |
| 643 | int fio_unused ret; |
| 644 | |
| 645 | ret = td_io_commit(td); |
| 646 | } |
| 647 | |
Jens Axboe | 002e718 | 2013-05-17 12:39:53 +0200 | [diff] [blame] | 648 | while (td->io_u_in_flight) { |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 649 | int ret; |
Jens Axboe | 002e718 | 2013-05-17 12:39:53 +0200 | [diff] [blame] | 650 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 651 | ret = io_u_queued_complete(td, 1); |
| 652 | if (ret > 0) |
| 653 | completed += ret; |
Jens Axboe | 002e718 | 2013-05-17 12:39:53 +0200 | [diff] [blame] | 654 | } |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 655 | |
| 656 | if (td->flags & TD_F_REGROW_LOGS) |
| 657 | regrow_logs(td); |
| 658 | |
| 659 | return completed; |
Jens Axboe | 002e718 | 2013-05-17 12:39:53 +0200 | [diff] [blame] | 660 | } |
| 661 | |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 662 | static enum fio_ddir rate_ddir(struct thread_data *td, enum fio_ddir ddir) |
| 663 | { |
| 664 | enum fio_ddir odir = ddir ^ 1; |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 665 | long usec; |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 666 | uint64_t now; |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 667 | |
Jens Axboe | ff58fce | 2010-08-25 12:02:08 +0200 | [diff] [blame] | 668 | assert(ddir_rw(ddir)); |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 669 | now = utime_since_now(&td->start); |
Jens Axboe | ff58fce | 2010-08-25 12:02:08 +0200 | [diff] [blame] | 670 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 671 | /* |
| 672 | * if rate_next_io_time is in the past, need to catch up to rate |
| 673 | */ |
| 674 | if (td->rate_next_io_time[ddir] <= now) |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 675 | return ddir; |
| 676 | |
| 677 | /* |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 678 | * We are ahead of rate in this direction. See if we |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 679 | * should switch. |
| 680 | */ |
Jens Axboe | 315fcfe | 2013-02-08 19:05:25 +0100 | [diff] [blame] | 681 | if (td_rw(td) && td->o.rwmix[odir]) { |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 682 | /* |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 683 | * Other direction is behind rate, switch |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 684 | */ |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 685 | if (td->rate_next_io_time[odir] <= now) |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 686 | return odir; |
| 687 | |
| 688 | /* |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 689 | * Both directions are ahead of rate. sleep the min |
| 690 | * switch if necissary |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 691 | */ |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 692 | if (td->rate_next_io_time[ddir] <= |
| 693 | td->rate_next_io_time[odir]) { |
| 694 | usec = td->rate_next_io_time[ddir] - now; |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 695 | } else { |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 696 | usec = td->rate_next_io_time[odir] - now; |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 697 | ddir = odir; |
| 698 | } |
| 699 | } else |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 700 | usec = td->rate_next_io_time[ddir] - now; |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 701 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 702 | if (td->o.io_submit_mode == IO_MODE_INLINE) |
| 703 | io_u_quiesce(td); |
Jens Axboe | 78c1eda | 2011-08-30 15:34:14 -0600 | [diff] [blame] | 704 | |
Jens Axboe | 7e63b3d | 2015-01-15 10:39:12 -0700 | [diff] [blame] | 705 | usec = usec_sleep(td, usec); |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 706 | |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 707 | return ddir; |
| 708 | } |
| 709 | |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 710 | /* |
| 711 | * Return the data direction for the next io_u. If the job is a |
| 712 | * mixed read/write workload, check the rwmix cycle and switch if |
| 713 | * necessary. |
| 714 | */ |
Jens Axboe | 1e97cce | 2006-12-05 11:44:16 +0100 | [diff] [blame] | 715 | static enum fio_ddir get_rw_ddir(struct thread_data *td) |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 716 | { |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 717 | enum fio_ddir ddir; |
| 718 | |
Jens Axboe | 5f9099e | 2009-06-16 22:40:26 +0200 | [diff] [blame] | 719 | /* |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 720 | * See if it's time to fsync/fdatasync/sync_file_range first, |
| 721 | * and if not then move on to check regular I/Os. |
Jens Axboe | 5f9099e | 2009-06-16 22:40:26 +0200 | [diff] [blame] | 722 | */ |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 723 | if (should_fsync(td)) { |
| 724 | if (td->o.fsync_blocks && td->io_issues[DDIR_WRITE] && |
| 725 | !(td->io_issues[DDIR_WRITE] % td->o.fsync_blocks)) |
| 726 | return DDIR_SYNC; |
Jens Axboe | 5f9099e | 2009-06-16 22:40:26 +0200 | [diff] [blame] | 727 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 728 | if (td->o.fdatasync_blocks && td->io_issues[DDIR_WRITE] && |
| 729 | !(td->io_issues[DDIR_WRITE] % td->o.fdatasync_blocks)) |
| 730 | return DDIR_DATASYNC; |
Jens Axboe | 5f9099e | 2009-06-16 22:40:26 +0200 | [diff] [blame] | 731 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 732 | if (td->sync_file_range_nr && td->io_issues[DDIR_WRITE] && |
| 733 | !(td->io_issues[DDIR_WRITE] % td->sync_file_range_nr)) |
| 734 | return DDIR_SYNC_FILE_RANGE; |
| 735 | } |
Jens Axboe | 44f2969 | 2010-03-09 20:09:44 +0100 | [diff] [blame] | 736 | |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 737 | if (td_rw(td)) { |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 738 | /* |
| 739 | * Check if it's time to seed a new data direction. |
| 740 | */ |
Jens Axboe | e492866 | 2008-04-07 09:19:46 +0200 | [diff] [blame] | 741 | if (td->io_issues[td->rwmix_ddir] >= td->rwmix_issues) { |
Jens Axboe | e47f799 | 2007-03-21 14:05:39 +0100 | [diff] [blame] | 742 | /* |
| 743 | * Put a top limit on how many bytes we do for |
| 744 | * one data direction, to avoid overflowing the |
| 745 | * ranges too much |
| 746 | */ |
| 747 | ddir = get_rand_ddir(td); |
Jens Axboe | e47f799 | 2007-03-21 14:05:39 +0100 | [diff] [blame] | 748 | |
| 749 | if (ddir != td->rwmix_ddir) |
| 750 | set_rwmix_bytes(td); |
| 751 | |
| 752 | td->rwmix_ddir = ddir; |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 753 | } |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 754 | ddir = td->rwmix_ddir; |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 755 | } else if (td_read(td)) |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 756 | ddir = DDIR_READ; |
Shaohua Li | 6eaf09d | 2012-09-14 08:49:43 +0200 | [diff] [blame] | 757 | else if (td_write(td)) |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 758 | ddir = DDIR_WRITE; |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 759 | else if (td_trim(td)) |
Shaohua Li | 6eaf09d | 2012-09-14 08:49:43 +0200 | [diff] [blame] | 760 | ddir = DDIR_TRIM; |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 761 | else |
| 762 | ddir = DDIR_INVAL; |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 763 | |
| 764 | td->rwmix_ddir = rate_ddir(td, ddir); |
| 765 | return td->rwmix_ddir; |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 766 | } |
| 767 | |
Jens Axboe | 1ef2b6b | 2010-10-08 15:07:01 +0200 | [diff] [blame] | 768 | static void set_rw_ddir(struct thread_data *td, struct io_u *io_u) |
| 769 | { |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 770 | enum fio_ddir ddir = get_rw_ddir(td); |
Jens Axboe | 1ef2b6b | 2010-10-08 15:07:01 +0200 | [diff] [blame] | 771 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 772 | if (td_trimwrite(td)) { |
| 773 | struct fio_file *f = io_u->file; |
| 774 | if (f->last_pos[DDIR_WRITE] == f->last_pos[DDIR_TRIM]) |
| 775 | ddir = DDIR_TRIM; |
| 776 | else |
| 777 | ddir = DDIR_WRITE; |
| 778 | } |
| 779 | |
| 780 | io_u->ddir = io_u->acct_ddir = ddir; |
| 781 | |
| 782 | if (io_u->ddir == DDIR_WRITE && td_ioengine_flagged(td, FIO_BARRIER) && |
Jens Axboe | 1ef2b6b | 2010-10-08 15:07:01 +0200 | [diff] [blame] | 783 | td->o.barrier_blocks && |
| 784 | !(td->io_issues[DDIR_WRITE] % td->o.barrier_blocks) && |
| 785 | td->io_issues[DDIR_WRITE]) |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 786 | io_u_set(td, io_u, IO_U_F_BARRIER); |
Jens Axboe | 1ef2b6b | 2010-10-08 15:07:01 +0200 | [diff] [blame] | 787 | } |
| 788 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 789 | void put_file_log(struct thread_data *td, struct fio_file *f) |
Jens Axboe | 60f2c65 | 2008-05-16 12:31:36 +0200 | [diff] [blame] | 790 | { |
Jens Axboe | 71b84ca | 2014-04-14 12:01:45 -0600 | [diff] [blame] | 791 | unsigned int ret = put_file(td, f); |
Jens Axboe | 60f2c65 | 2008-05-16 12:31:36 +0200 | [diff] [blame] | 792 | |
| 793 | if (ret) |
| 794 | td_verror(td, ret, "file close"); |
| 795 | } |
| 796 | |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 797 | void put_io_u(struct thread_data *td, struct io_u *io_u) |
| 798 | { |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 799 | if (td->parent) |
| 800 | td = td->parent; |
| 801 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 802 | td_io_u_lock(td); |
| 803 | |
Jens Axboe | e69fdf7 | 2014-07-23 16:11:43 +0200 | [diff] [blame] | 804 | if (io_u->file && !(io_u->flags & IO_U_F_NO_FILE_PUT)) |
Jens Axboe | 60f2c65 | 2008-05-16 12:31:36 +0200 | [diff] [blame] | 805 | put_file_log(td, io_u->file); |
Jens Axboe | e69fdf7 | 2014-07-23 16:11:43 +0200 | [diff] [blame] | 806 | |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 807 | io_u->file = NULL; |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 808 | io_u_set(td, io_u, IO_U_F_FREE); |
Steven Lang | d7ee2a7 | 2011-10-26 09:46:50 +0200 | [diff] [blame] | 809 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 810 | if (io_u->flags & IO_U_F_IN_CUR_DEPTH) { |
Radha Ramachandran | 0c41214 | 2009-11-03 21:45:31 +0100 | [diff] [blame] | 811 | td->cur_depth--; |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 812 | assert(!(td->flags & TD_F_CHILD)); |
| 813 | } |
Jens Axboe | 2ae0b20 | 2013-05-28 14:16:55 +0200 | [diff] [blame] | 814 | io_u_qpush(&td->io_u_freelist, io_u); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 815 | td_io_u_unlock(td); |
| 816 | td_io_u_free_notify(td); |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 817 | } |
| 818 | |
Radha Ramachandran | f2bba18 | 2009-06-15 08:40:16 +0200 | [diff] [blame] | 819 | void clear_io_u(struct thread_data *td, struct io_u *io_u) |
| 820 | { |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 821 | io_u_clear(td, io_u, IO_U_F_FLIGHT); |
Radha Ramachandran | f2bba18 | 2009-06-15 08:40:16 +0200 | [diff] [blame] | 822 | put_io_u(td, io_u); |
| 823 | } |
| 824 | |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 825 | void requeue_io_u(struct thread_data *td, struct io_u **io_u) |
| 826 | { |
| 827 | struct io_u *__io_u = *io_u; |
Jens Axboe | bcd5abf | 2013-01-23 09:27:25 -0700 | [diff] [blame] | 828 | enum fio_ddir ddir = acct_ddir(__io_u); |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 829 | |
Jens Axboe | 465221b | 2008-05-30 22:07:49 +0200 | [diff] [blame] | 830 | dprint(FD_IO, "requeue %p\n", __io_u); |
| 831 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 832 | if (td->parent) |
| 833 | td = td->parent; |
| 834 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 835 | td_io_u_lock(td); |
| 836 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 837 | io_u_set(td, __io_u, IO_U_F_FREE); |
Jens Axboe | bcd5abf | 2013-01-23 09:27:25 -0700 | [diff] [blame] | 838 | if ((__io_u->flags & IO_U_F_FLIGHT) && ddir_rw(ddir)) |
| 839 | td->io_issues[ddir]--; |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 840 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 841 | io_u_clear(td, __io_u, IO_U_F_FLIGHT); |
| 842 | if (__io_u->flags & IO_U_F_IN_CUR_DEPTH) { |
Radha Ramachandran | 0c41214 | 2009-11-03 21:45:31 +0100 | [diff] [blame] | 843 | td->cur_depth--; |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 844 | assert(!(td->flags & TD_F_CHILD)); |
| 845 | } |
Jens Axboe | 2ae0b20 | 2013-05-28 14:16:55 +0200 | [diff] [blame] | 846 | |
| 847 | io_u_rpush(&td->io_u_requeues, __io_u); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 848 | td_io_u_unlock(td); |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 849 | td_io_u_free_notify(td); |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 850 | *io_u = NULL; |
| 851 | } |
| 852 | |
Jens Axboe | 9bf2061 | 2007-03-01 09:33:57 +0100 | [diff] [blame] | 853 | static int fill_io_u(struct thread_data *td, struct io_u *io_u) |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 854 | { |
Jens Axboe | 6aca9b3 | 2013-07-25 12:45:26 -0600 | [diff] [blame] | 855 | unsigned int is_random; |
| 856 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 857 | if (td_ioengine_flagged(td, FIO_NOIO)) |
Jens Axboe | b4c5e1a | 2007-10-25 18:44:45 +0200 | [diff] [blame] | 858 | goto out; |
| 859 | |
Jens Axboe | 1ef2b6b | 2010-10-08 15:07:01 +0200 | [diff] [blame] | 860 | set_rw_ddir(td, io_u); |
Jens Axboe | a00735e | 2006-11-03 08:58:08 +0100 | [diff] [blame] | 861 | |
Jens Axboe | 87dc1ab | 2006-10-24 14:41:26 +0200 | [diff] [blame] | 862 | /* |
Jens Axboe | ff58fce | 2010-08-25 12:02:08 +0200 | [diff] [blame] | 863 | * fsync() or fdatasync() or trim etc, we are done |
Jens Axboe | 5f9099e | 2009-06-16 22:40:26 +0200 | [diff] [blame] | 864 | */ |
Jens Axboe | ff58fce | 2010-08-25 12:02:08 +0200 | [diff] [blame] | 865 | if (!ddir_rw(io_u->ddir)) |
Jens Axboe | 5f9099e | 2009-06-16 22:40:26 +0200 | [diff] [blame] | 866 | goto out; |
| 867 | |
| 868 | /* |
Jens Axboe | 48f5abd | 2007-07-20 13:25:04 +0200 | [diff] [blame] | 869 | * See if it's time to switch to a new zone |
| 870 | */ |
Jens Axboe | 13af05a | 2012-02-11 09:04:02 +0100 | [diff] [blame] | 871 | if (td->zone_bytes >= td->o.zone_size && td->o.zone_skip) { |
Jens Axboe | 418bf54 | 2014-09-28 16:20:58 -0600 | [diff] [blame] | 872 | struct fio_file *f = io_u->file; |
| 873 | |
Jens Axboe | 48f5abd | 2007-07-20 13:25:04 +0200 | [diff] [blame] | 874 | td->zone_bytes = 0; |
Jens Axboe | 418bf54 | 2014-09-28 16:20:58 -0600 | [diff] [blame] | 875 | f->file_offset += td->o.zone_range + td->o.zone_skip; |
| 876 | |
| 877 | /* |
| 878 | * Wrap from the beginning, if we exceed the file size |
| 879 | */ |
| 880 | if (f->file_offset >= f->real_file_size) |
| 881 | f->file_offset = f->real_file_size - f->file_offset; |
Jens Axboe | 08a99be | 2014-12-14 19:01:24 -0700 | [diff] [blame] | 882 | f->last_pos[io_u->ddir] = f->file_offset; |
Jens Axboe | 48f5abd | 2007-07-20 13:25:04 +0200 | [diff] [blame] | 883 | td->io_skip_bytes += td->o.zone_skip; |
| 884 | } |
| 885 | |
| 886 | /* |
Jens Axboe | c685b5b | 2007-02-10 20:02:28 +0100 | [diff] [blame] | 887 | * No log, let the seq/rand engine retrieve the next buflen and |
| 888 | * position. |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 889 | */ |
Jens Axboe | 6aca9b3 | 2013-07-25 12:45:26 -0600 | [diff] [blame] | 890 | if (get_next_offset(td, io_u, &is_random)) { |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 891 | dprint(FD_IO, "io_u %p, failed getting offset\n", io_u); |
Jens Axboe | bca4ed4 | 2007-02-12 05:13:23 +0100 | [diff] [blame] | 892 | return 1; |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 893 | } |
Jens Axboe | c685b5b | 2007-02-10 20:02:28 +0100 | [diff] [blame] | 894 | |
Jens Axboe | 6aca9b3 | 2013-07-25 12:45:26 -0600 | [diff] [blame] | 895 | io_u->buflen = get_next_buflen(td, io_u, is_random); |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 896 | if (!io_u->buflen) { |
| 897 | dprint(FD_IO, "io_u %p, failed getting buflen\n", io_u); |
Jens Axboe | bca4ed4 | 2007-02-12 05:13:23 +0100 | [diff] [blame] | 898 | return 1; |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 899 | } |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 900 | |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 901 | if (io_u->offset + io_u->buflen > io_u->file->real_file_size) { |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 902 | dprint(FD_IO, "io_u %p, offset + buflen exceeds file size\n", |
| 903 | io_u); |
| 904 | dprint(FD_IO, " offset=%llu/buflen=%lu > %llu\n", |
Jens Axboe | 4b91ee8 | 2013-02-25 10:18:33 +0100 | [diff] [blame] | 905 | (unsigned long long) io_u->offset, io_u->buflen, |
| 906 | (unsigned long long) io_u->file->real_file_size); |
Jens Axboe | 6a5e688 | 2007-07-26 10:47:51 +0200 | [diff] [blame] | 907 | return 1; |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 908 | } |
Jens Axboe | 6a5e688 | 2007-07-26 10:47:51 +0200 | [diff] [blame] | 909 | |
Jens Axboe | bca4ed4 | 2007-02-12 05:13:23 +0100 | [diff] [blame] | 910 | /* |
| 911 | * mark entry before potentially trimming io_u |
| 912 | */ |
Jens Axboe | 303032a | 2008-03-26 10:11:10 +0100 | [diff] [blame] | 913 | if (td_random(td) && file_randommap(td, io_u->file)) |
Jens Axboe | 9bf2061 | 2007-03-01 09:33:57 +0100 | [diff] [blame] | 914 | mark_random_map(td, io_u); |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 915 | |
Jens Axboe | c38e946 | 2007-03-27 08:48:48 +0200 | [diff] [blame] | 916 | out: |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 917 | dprint_io_u(io_u, "fill_io_u"); |
Jens Axboe | d9d91e3 | 2008-01-31 13:25:42 +0100 | [diff] [blame] | 918 | td->zone_bytes += io_u->buflen; |
Jens Axboe | bca4ed4 | 2007-02-12 05:13:23 +0100 | [diff] [blame] | 919 | return 0; |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 920 | } |
| 921 | |
Jens Axboe | 838bc70 | 2008-05-22 13:08:23 +0200 | [diff] [blame] | 922 | static void __io_u_mark_map(unsigned int *map, unsigned int nr) |
| 923 | { |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 924 | int idx = 0; |
Jens Axboe | 838bc70 | 2008-05-22 13:08:23 +0200 | [diff] [blame] | 925 | |
| 926 | switch (nr) { |
| 927 | default: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 928 | idx = 6; |
Jens Axboe | 838bc70 | 2008-05-22 13:08:23 +0200 | [diff] [blame] | 929 | break; |
| 930 | case 33 ... 64: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 931 | idx = 5; |
Jens Axboe | 838bc70 | 2008-05-22 13:08:23 +0200 | [diff] [blame] | 932 | break; |
| 933 | case 17 ... 32: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 934 | idx = 4; |
Jens Axboe | 838bc70 | 2008-05-22 13:08:23 +0200 | [diff] [blame] | 935 | break; |
| 936 | case 9 ... 16: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 937 | idx = 3; |
Jens Axboe | 838bc70 | 2008-05-22 13:08:23 +0200 | [diff] [blame] | 938 | break; |
| 939 | case 5 ... 8: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 940 | idx = 2; |
Jens Axboe | 838bc70 | 2008-05-22 13:08:23 +0200 | [diff] [blame] | 941 | break; |
| 942 | case 1 ... 4: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 943 | idx = 1; |
Jens Axboe | 838bc70 | 2008-05-22 13:08:23 +0200 | [diff] [blame] | 944 | case 0: |
| 945 | break; |
| 946 | } |
| 947 | |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 948 | map[idx]++; |
Jens Axboe | 838bc70 | 2008-05-22 13:08:23 +0200 | [diff] [blame] | 949 | } |
| 950 | |
| 951 | void io_u_mark_submit(struct thread_data *td, unsigned int nr) |
| 952 | { |
| 953 | __io_u_mark_map(td->ts.io_u_submit, nr); |
| 954 | td->ts.total_submit++; |
| 955 | } |
| 956 | |
| 957 | void io_u_mark_complete(struct thread_data *td, unsigned int nr) |
| 958 | { |
| 959 | __io_u_mark_map(td->ts.io_u_complete, nr); |
| 960 | td->ts.total_complete++; |
| 961 | } |
| 962 | |
Jens Axboe | d800575 | 2008-05-15 09:49:09 +0200 | [diff] [blame] | 963 | void io_u_mark_depth(struct thread_data *td, unsigned int nr) |
Jens Axboe | 71619dc | 2007-01-13 23:56:33 +0100 | [diff] [blame] | 964 | { |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 965 | int idx = 0; |
Jens Axboe | 71619dc | 2007-01-13 23:56:33 +0100 | [diff] [blame] | 966 | |
| 967 | switch (td->cur_depth) { |
| 968 | default: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 969 | idx = 6; |
Jens Axboe | a783e61 | 2007-06-19 09:50:28 +0200 | [diff] [blame] | 970 | break; |
Jens Axboe | 71619dc | 2007-01-13 23:56:33 +0100 | [diff] [blame] | 971 | case 32 ... 63: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 972 | idx = 5; |
Jens Axboe | a783e61 | 2007-06-19 09:50:28 +0200 | [diff] [blame] | 973 | break; |
Jens Axboe | 71619dc | 2007-01-13 23:56:33 +0100 | [diff] [blame] | 974 | case 16 ... 31: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 975 | idx = 4; |
Jens Axboe | a783e61 | 2007-06-19 09:50:28 +0200 | [diff] [blame] | 976 | break; |
Jens Axboe | 71619dc | 2007-01-13 23:56:33 +0100 | [diff] [blame] | 977 | case 8 ... 15: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 978 | idx = 3; |
Jens Axboe | a783e61 | 2007-06-19 09:50:28 +0200 | [diff] [blame] | 979 | break; |
Jens Axboe | 71619dc | 2007-01-13 23:56:33 +0100 | [diff] [blame] | 980 | case 4 ... 7: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 981 | idx = 2; |
Jens Axboe | a783e61 | 2007-06-19 09:50:28 +0200 | [diff] [blame] | 982 | break; |
Jens Axboe | 71619dc | 2007-01-13 23:56:33 +0100 | [diff] [blame] | 983 | case 2 ... 3: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 984 | idx = 1; |
Jens Axboe | 71619dc | 2007-01-13 23:56:33 +0100 | [diff] [blame] | 985 | case 1: |
| 986 | break; |
| 987 | } |
| 988 | |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 989 | td->ts.io_u_map[idx] += nr; |
Jens Axboe | 71619dc | 2007-01-13 23:56:33 +0100 | [diff] [blame] | 990 | } |
| 991 | |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 992 | static void io_u_mark_lat_usec(struct thread_data *td, unsigned long usec) |
| 993 | { |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 994 | int idx = 0; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 995 | |
| 996 | assert(usec < 1000); |
| 997 | |
| 998 | switch (usec) { |
| 999 | case 750 ... 999: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 1000 | idx = 9; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 1001 | break; |
| 1002 | case 500 ... 749: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 1003 | idx = 8; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 1004 | break; |
| 1005 | case 250 ... 499: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 1006 | idx = 7; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 1007 | break; |
| 1008 | case 100 ... 249: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 1009 | idx = 6; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 1010 | break; |
| 1011 | case 50 ... 99: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 1012 | idx = 5; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 1013 | break; |
| 1014 | case 20 ... 49: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 1015 | idx = 4; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 1016 | break; |
| 1017 | case 10 ... 19: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 1018 | idx = 3; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 1019 | break; |
| 1020 | case 4 ... 9: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 1021 | idx = 2; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 1022 | break; |
| 1023 | case 2 ... 3: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 1024 | idx = 1; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 1025 | case 0 ... 1: |
| 1026 | break; |
| 1027 | } |
| 1028 | |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 1029 | assert(idx < FIO_IO_U_LAT_U_NR); |
| 1030 | td->ts.io_u_lat_u[idx]++; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 1031 | } |
| 1032 | |
| 1033 | static void io_u_mark_lat_msec(struct thread_data *td, unsigned long msec) |
Jens Axboe | ec11830 | 2007-02-17 04:38:20 +0100 | [diff] [blame] | 1034 | { |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 1035 | int idx = 0; |
Jens Axboe | ec11830 | 2007-02-17 04:38:20 +0100 | [diff] [blame] | 1036 | |
| 1037 | switch (msec) { |
| 1038 | default: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 1039 | idx = 11; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 1040 | break; |
Jens Axboe | 8abdce6 | 2007-02-21 10:22:55 +0100 | [diff] [blame] | 1041 | case 1000 ... 1999: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 1042 | idx = 10; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 1043 | break; |
Jens Axboe | 8abdce6 | 2007-02-21 10:22:55 +0100 | [diff] [blame] | 1044 | case 750 ... 999: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 1045 | idx = 9; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 1046 | break; |
Jens Axboe | 8abdce6 | 2007-02-21 10:22:55 +0100 | [diff] [blame] | 1047 | case 500 ... 749: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 1048 | idx = 8; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 1049 | break; |
Jens Axboe | 8abdce6 | 2007-02-21 10:22:55 +0100 | [diff] [blame] | 1050 | case 250 ... 499: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 1051 | idx = 7; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 1052 | break; |
Jens Axboe | 8abdce6 | 2007-02-21 10:22:55 +0100 | [diff] [blame] | 1053 | case 100 ... 249: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 1054 | idx = 6; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 1055 | break; |
Jens Axboe | 8abdce6 | 2007-02-21 10:22:55 +0100 | [diff] [blame] | 1056 | case 50 ... 99: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 1057 | idx = 5; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 1058 | break; |
Jens Axboe | 8abdce6 | 2007-02-21 10:22:55 +0100 | [diff] [blame] | 1059 | case 20 ... 49: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 1060 | idx = 4; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 1061 | break; |
Jens Axboe | 8abdce6 | 2007-02-21 10:22:55 +0100 | [diff] [blame] | 1062 | case 10 ... 19: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 1063 | idx = 3; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 1064 | break; |
Jens Axboe | 8abdce6 | 2007-02-21 10:22:55 +0100 | [diff] [blame] | 1065 | case 4 ... 9: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 1066 | idx = 2; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 1067 | break; |
Jens Axboe | ec11830 | 2007-02-17 04:38:20 +0100 | [diff] [blame] | 1068 | case 2 ... 3: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 1069 | idx = 1; |
Jens Axboe | ec11830 | 2007-02-17 04:38:20 +0100 | [diff] [blame] | 1070 | case 0 ... 1: |
| 1071 | break; |
| 1072 | } |
| 1073 | |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 1074 | assert(idx < FIO_IO_U_LAT_M_NR); |
| 1075 | td->ts.io_u_lat_m[idx]++; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 1076 | } |
| 1077 | |
| 1078 | static void io_u_mark_latency(struct thread_data *td, unsigned long usec) |
| 1079 | { |
| 1080 | if (usec < 1000) |
| 1081 | io_u_mark_lat_usec(td, usec); |
| 1082 | else |
| 1083 | io_u_mark_lat_msec(td, usec / 1000); |
Jens Axboe | ec11830 | 2007-02-17 04:38:20 +0100 | [diff] [blame] | 1084 | } |
| 1085 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 1086 | static unsigned int __get_next_fileno_rand(struct thread_data *td) |
| 1087 | { |
| 1088 | unsigned long fileno; |
| 1089 | |
| 1090 | if (td->o.file_service_type == FIO_FSERVICE_RANDOM) { |
| 1091 | uint64_t frand_max = rand_max(&td->next_file_state); |
| 1092 | unsigned long r; |
| 1093 | |
| 1094 | r = __rand(&td->next_file_state); |
| 1095 | return (unsigned int) ((double) td->o.nr_files |
| 1096 | * (r / (frand_max + 1.0))); |
| 1097 | } |
| 1098 | |
| 1099 | if (td->o.file_service_type == FIO_FSERVICE_ZIPF) |
| 1100 | fileno = zipf_next(&td->next_file_zipf); |
| 1101 | else if (td->o.file_service_type == FIO_FSERVICE_PARETO) |
| 1102 | fileno = pareto_next(&td->next_file_zipf); |
| 1103 | else if (td->o.file_service_type == FIO_FSERVICE_GAUSS) |
| 1104 | fileno = gauss_next(&td->next_file_gauss); |
| 1105 | else { |
| 1106 | log_err("fio: bad file service type: %d\n", td->o.file_service_type); |
| 1107 | assert(0); |
| 1108 | return 0; |
| 1109 | } |
| 1110 | |
| 1111 | return fileno >> FIO_FSERVICE_SHIFT; |
| 1112 | } |
| 1113 | |
Jens Axboe | 0aabe16 | 2007-02-23 08:45:55 +0100 | [diff] [blame] | 1114 | /* |
| 1115 | * Get next file to service by choosing one at random |
| 1116 | */ |
Jens Axboe | 2cc5293 | 2009-06-09 14:14:20 +0200 | [diff] [blame] | 1117 | static struct fio_file *get_next_file_rand(struct thread_data *td, |
| 1118 | enum fio_file_flags goodf, |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 1119 | enum fio_file_flags badf) |
Jens Axboe | 0aabe16 | 2007-02-23 08:45:55 +0100 | [diff] [blame] | 1120 | { |
Jens Axboe | 0aabe16 | 2007-02-23 08:45:55 +0100 | [diff] [blame] | 1121 | struct fio_file *f; |
Jens Axboe | 1c17818 | 2007-03-13 13:25:18 +0100 | [diff] [blame] | 1122 | int fno; |
Jens Axboe | 0aabe16 | 2007-02-23 08:45:55 +0100 | [diff] [blame] | 1123 | |
| 1124 | do { |
Jens Axboe | 87b1067 | 2009-03-04 09:39:47 +0100 | [diff] [blame] | 1125 | int opened = 0; |
Jens Axboe | 7c83c08 | 2007-03-01 10:04:15 +0100 | [diff] [blame] | 1126 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 1127 | fno = __get_next_fileno_rand(td); |
Jens Axboe | 4c07ad8 | 2011-03-28 09:51:09 +0200 | [diff] [blame] | 1128 | |
Jens Axboe | 126d65c | 2008-03-01 18:04:31 +0100 | [diff] [blame] | 1129 | f = td->files[fno]; |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 1130 | if (fio_file_done(f)) |
Jens Axboe | 059e63c | 2007-03-27 20:34:47 +0200 | [diff] [blame] | 1131 | continue; |
Jens Axboe | 1c17818 | 2007-03-13 13:25:18 +0100 | [diff] [blame] | 1132 | |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 1133 | if (!fio_file_open(f)) { |
Jens Axboe | 87b1067 | 2009-03-04 09:39:47 +0100 | [diff] [blame] | 1134 | int err; |
| 1135 | |
Jens Axboe | 002fe73 | 2014-02-11 08:31:13 -0700 | [diff] [blame] | 1136 | if (td->nr_open_files >= td->o.open_files) |
| 1137 | return ERR_PTR(-EBUSY); |
| 1138 | |
Jens Axboe | 87b1067 | 2009-03-04 09:39:47 +0100 | [diff] [blame] | 1139 | err = td_io_open_file(td, f); |
| 1140 | if (err) |
| 1141 | continue; |
| 1142 | opened = 1; |
| 1143 | } |
| 1144 | |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 1145 | if ((!goodf || (f->flags & goodf)) && !(f->flags & badf)) { |
| 1146 | dprint(FD_FILE, "get_next_file_rand: %p\n", f); |
Jens Axboe | 0aabe16 | 2007-02-23 08:45:55 +0100 | [diff] [blame] | 1147 | return f; |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 1148 | } |
Jens Axboe | 87b1067 | 2009-03-04 09:39:47 +0100 | [diff] [blame] | 1149 | if (opened) |
| 1150 | td_io_close_file(td, f); |
Jens Axboe | 0aabe16 | 2007-02-23 08:45:55 +0100 | [diff] [blame] | 1151 | } while (1); |
| 1152 | } |
| 1153 | |
| 1154 | /* |
| 1155 | * Get next file to service by doing round robin between all available ones |
| 1156 | */ |
Jens Axboe | 1c17818 | 2007-03-13 13:25:18 +0100 | [diff] [blame] | 1157 | static struct fio_file *get_next_file_rr(struct thread_data *td, int goodf, |
| 1158 | int badf) |
Jens Axboe | 3d7c391 | 2007-02-19 13:16:12 +0100 | [diff] [blame] | 1159 | { |
| 1160 | unsigned int old_next_file = td->next_file; |
| 1161 | struct fio_file *f; |
| 1162 | |
| 1163 | do { |
Jens Axboe | 87b1067 | 2009-03-04 09:39:47 +0100 | [diff] [blame] | 1164 | int opened = 0; |
| 1165 | |
Jens Axboe | 126d65c | 2008-03-01 18:04:31 +0100 | [diff] [blame] | 1166 | f = td->files[td->next_file]; |
Jens Axboe | 3d7c391 | 2007-02-19 13:16:12 +0100 | [diff] [blame] | 1167 | |
| 1168 | td->next_file++; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 1169 | if (td->next_file >= td->o.nr_files) |
Jens Axboe | 3d7c391 | 2007-02-19 13:16:12 +0100 | [diff] [blame] | 1170 | td->next_file = 0; |
| 1171 | |
Jens Axboe | 87b1067 | 2009-03-04 09:39:47 +0100 | [diff] [blame] | 1172 | dprint(FD_FILE, "trying file %s %x\n", f->file_name, f->flags); |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 1173 | if (fio_file_done(f)) { |
Jens Axboe | d5ed68e | 2007-03-28 09:33:43 +0200 | [diff] [blame] | 1174 | f = NULL; |
Jens Axboe | 059e63c | 2007-03-27 20:34:47 +0200 | [diff] [blame] | 1175 | continue; |
Jens Axboe | d5ed68e | 2007-03-28 09:33:43 +0200 | [diff] [blame] | 1176 | } |
Jens Axboe | 059e63c | 2007-03-27 20:34:47 +0200 | [diff] [blame] | 1177 | |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 1178 | if (!fio_file_open(f)) { |
Jens Axboe | 87b1067 | 2009-03-04 09:39:47 +0100 | [diff] [blame] | 1179 | int err; |
| 1180 | |
Jens Axboe | 002fe73 | 2014-02-11 08:31:13 -0700 | [diff] [blame] | 1181 | if (td->nr_open_files >= td->o.open_files) |
| 1182 | return ERR_PTR(-EBUSY); |
| 1183 | |
Jens Axboe | 87b1067 | 2009-03-04 09:39:47 +0100 | [diff] [blame] | 1184 | err = td_io_open_file(td, f); |
Jens Axboe | b5696bf | 2009-03-04 16:03:49 +0100 | [diff] [blame] | 1185 | if (err) { |
| 1186 | dprint(FD_FILE, "error %d on open of %s\n", |
| 1187 | err, f->file_name); |
Jens Axboe | 87c27b4 | 2009-05-20 10:45:12 +0200 | [diff] [blame] | 1188 | f = NULL; |
Jens Axboe | 87b1067 | 2009-03-04 09:39:47 +0100 | [diff] [blame] | 1189 | continue; |
Jens Axboe | b5696bf | 2009-03-04 16:03:49 +0100 | [diff] [blame] | 1190 | } |
Jens Axboe | 87b1067 | 2009-03-04 09:39:47 +0100 | [diff] [blame] | 1191 | opened = 1; |
| 1192 | } |
| 1193 | |
Jens Axboe | 0b9d69e | 2009-09-11 22:29:54 +0200 | [diff] [blame] | 1194 | dprint(FD_FILE, "goodf=%x, badf=%x, ff=%x\n", goodf, badf, |
| 1195 | f->flags); |
Jens Axboe | 1c17818 | 2007-03-13 13:25:18 +0100 | [diff] [blame] | 1196 | if ((!goodf || (f->flags & goodf)) && !(f->flags & badf)) |
Jens Axboe | 3d7c391 | 2007-02-19 13:16:12 +0100 | [diff] [blame] | 1197 | break; |
| 1198 | |
Jens Axboe | 87b1067 | 2009-03-04 09:39:47 +0100 | [diff] [blame] | 1199 | if (opened) |
| 1200 | td_io_close_file(td, f); |
| 1201 | |
Jens Axboe | 3d7c391 | 2007-02-19 13:16:12 +0100 | [diff] [blame] | 1202 | f = NULL; |
| 1203 | } while (td->next_file != old_next_file); |
| 1204 | |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 1205 | dprint(FD_FILE, "get_next_file_rr: %p\n", f); |
Jens Axboe | 3d7c391 | 2007-02-19 13:16:12 +0100 | [diff] [blame] | 1206 | return f; |
| 1207 | } |
| 1208 | |
Jens Axboe | 7eb3657 | 2010-03-08 13:58:49 +0100 | [diff] [blame] | 1209 | static struct fio_file *__get_next_file(struct thread_data *td) |
Jens Axboe | bdb4e2e | 2007-03-01 09:54:57 +0100 | [diff] [blame] | 1210 | { |
Jens Axboe | 1907dbc | 2007-03-12 11:44:28 +0100 | [diff] [blame] | 1211 | struct fio_file *f; |
| 1212 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 1213 | assert(td->o.nr_files <= td->files_index); |
Jens Axboe | 1c17818 | 2007-03-13 13:25:18 +0100 | [diff] [blame] | 1214 | |
Jens Axboe | b5696bf | 2009-03-04 16:03:49 +0100 | [diff] [blame] | 1215 | if (td->nr_done_files >= td->o.nr_files) { |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 1216 | dprint(FD_FILE, "get_next_file: nr_open=%d, nr_done=%d," |
| 1217 | " nr_files=%d\n", td->nr_open_files, |
| 1218 | td->nr_done_files, |
| 1219 | td->o.nr_files); |
Jens Axboe | bdb4e2e | 2007-03-01 09:54:57 +0100 | [diff] [blame] | 1220 | return NULL; |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 1221 | } |
Jens Axboe | bdb4e2e | 2007-03-01 09:54:57 +0100 | [diff] [blame] | 1222 | |
Jens Axboe | 1907dbc | 2007-03-12 11:44:28 +0100 | [diff] [blame] | 1223 | f = td->file_service_file; |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 1224 | if (f && fio_file_open(f) && !fio_file_closing(f)) { |
Jens Axboe | a086c25 | 2009-03-04 08:27:37 +0100 | [diff] [blame] | 1225 | if (td->o.file_service_type == FIO_FSERVICE_SEQ) |
| 1226 | goto out; |
| 1227 | if (td->file_service_left--) |
| 1228 | goto out; |
| 1229 | } |
Jens Axboe | 1907dbc | 2007-03-12 11:44:28 +0100 | [diff] [blame] | 1230 | |
Jens Axboe | a086c25 | 2009-03-04 08:27:37 +0100 | [diff] [blame] | 1231 | if (td->o.file_service_type == FIO_FSERVICE_RR || |
| 1232 | td->o.file_service_type == FIO_FSERVICE_SEQ) |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 1233 | f = get_next_file_rr(td, FIO_FILE_open, FIO_FILE_closing); |
Jens Axboe | bdb4e2e | 2007-03-01 09:54:57 +0100 | [diff] [blame] | 1234 | else |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 1235 | f = get_next_file_rand(td, FIO_FILE_open, FIO_FILE_closing); |
Jens Axboe | 1907dbc | 2007-03-12 11:44:28 +0100 | [diff] [blame] | 1236 | |
Jens Axboe | 002fe73 | 2014-02-11 08:31:13 -0700 | [diff] [blame] | 1237 | if (IS_ERR(f)) |
| 1238 | return f; |
| 1239 | |
Jens Axboe | 1907dbc | 2007-03-12 11:44:28 +0100 | [diff] [blame] | 1240 | td->file_service_file = f; |
| 1241 | td->file_service_left = td->file_service_nr - 1; |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 1242 | out: |
Jens Axboe | 0dac421 | 2014-02-25 13:43:17 -0800 | [diff] [blame] | 1243 | if (f) |
| 1244 | dprint(FD_FILE, "get_next_file: %p [%s]\n", f, f->file_name); |
| 1245 | else |
| 1246 | dprint(FD_FILE, "get_next_file: NULL\n"); |
Jens Axboe | 1907dbc | 2007-03-12 11:44:28 +0100 | [diff] [blame] | 1247 | return f; |
Jens Axboe | bdb4e2e | 2007-03-01 09:54:57 +0100 | [diff] [blame] | 1248 | } |
| 1249 | |
Jens Axboe | 7eb3657 | 2010-03-08 13:58:49 +0100 | [diff] [blame] | 1250 | static struct fio_file *get_next_file(struct thread_data *td) |
| 1251 | { |
Andrey Kuzmin | 705fa7e | 2014-06-27 20:21:22 -0600 | [diff] [blame] | 1252 | if (td->flags & TD_F_PROFILE_OPS) { |
Jens Axboe | d72be54 | 2012-11-30 19:37:46 +0100 | [diff] [blame] | 1253 | struct prof_io_ops *ops = &td->prof_io_ops; |
Jens Axboe | 7eb3657 | 2010-03-08 13:58:49 +0100 | [diff] [blame] | 1254 | |
Jens Axboe | d72be54 | 2012-11-30 19:37:46 +0100 | [diff] [blame] | 1255 | if (ops->get_next_file) |
| 1256 | return ops->get_next_file(td); |
| 1257 | } |
Jens Axboe | 7eb3657 | 2010-03-08 13:58:49 +0100 | [diff] [blame] | 1258 | |
| 1259 | return __get_next_file(td); |
| 1260 | } |
| 1261 | |
Jens Axboe | 002fe73 | 2014-02-11 08:31:13 -0700 | [diff] [blame] | 1262 | static long set_io_u_file(struct thread_data *td, struct io_u *io_u) |
Jens Axboe | 429f667 | 2007-07-23 10:38:43 +0200 | [diff] [blame] | 1263 | { |
| 1264 | struct fio_file *f; |
| 1265 | |
| 1266 | do { |
| 1267 | f = get_next_file(td); |
Jens Axboe | 002fe73 | 2014-02-11 08:31:13 -0700 | [diff] [blame] | 1268 | if (IS_ERR_OR_NULL(f)) |
| 1269 | return PTR_ERR(f); |
Jens Axboe | 429f667 | 2007-07-23 10:38:43 +0200 | [diff] [blame] | 1270 | |
Jens Axboe | 429f667 | 2007-07-23 10:38:43 +0200 | [diff] [blame] | 1271 | io_u->file = f; |
| 1272 | get_file(f); |
| 1273 | |
| 1274 | if (!fill_io_u(td, io_u)) |
| 1275 | break; |
| 1276 | |
Jens Axboe | b5696bf | 2009-03-04 16:03:49 +0100 | [diff] [blame] | 1277 | put_file_log(td, f); |
Jens Axboe | 429f667 | 2007-07-23 10:38:43 +0200 | [diff] [blame] | 1278 | td_io_close_file(td, f); |
Jens Axboe | b5696bf | 2009-03-04 16:03:49 +0100 | [diff] [blame] | 1279 | io_u->file = NULL; |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 1280 | if (td->o.file_service_type & __FIO_FSERVICE_NONUNIFORM) |
| 1281 | fio_file_reset(td, f); |
| 1282 | else { |
| 1283 | fio_file_set_done(f); |
| 1284 | td->nr_done_files++; |
| 1285 | dprint(FD_FILE, "%s: is done (%d of %d)\n", f->file_name, |
Jens Axboe | 0b9d69e | 2009-09-11 22:29:54 +0200 | [diff] [blame] | 1286 | td->nr_done_files, td->o.nr_files); |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 1287 | } |
Jens Axboe | 429f667 | 2007-07-23 10:38:43 +0200 | [diff] [blame] | 1288 | } while (1); |
| 1289 | |
| 1290 | return 0; |
| 1291 | } |
| 1292 | |
Jens Axboe | 3e260a4 | 2013-12-09 12:38:53 -0700 | [diff] [blame] | 1293 | static void lat_fatal(struct thread_data *td, struct io_completion_data *icd, |
| 1294 | unsigned long tusec, unsigned long max_usec) |
| 1295 | { |
| 1296 | if (!td->error) |
| 1297 | log_err("fio: latency of %lu usec exceeds specified max (%lu usec)\n", tusec, max_usec); |
| 1298 | td_verror(td, ETIMEDOUT, "max latency exceeded"); |
| 1299 | icd->error = ETIMEDOUT; |
| 1300 | } |
| 1301 | |
| 1302 | static void lat_new_cycle(struct thread_data *td) |
| 1303 | { |
| 1304 | fio_gettime(&td->latency_ts, NULL); |
| 1305 | td->latency_ios = ddir_rw_sum(td->io_blocks); |
| 1306 | td->latency_failed = 0; |
| 1307 | } |
| 1308 | |
| 1309 | /* |
| 1310 | * We had an IO outside the latency target. Reduce the queue depth. If we |
| 1311 | * are at QD=1, then it's time to give up. |
| 1312 | */ |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 1313 | static bool __lat_target_failed(struct thread_data *td) |
Jens Axboe | 3e260a4 | 2013-12-09 12:38:53 -0700 | [diff] [blame] | 1314 | { |
| 1315 | if (td->latency_qd == 1) |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 1316 | return true; |
Jens Axboe | 3e260a4 | 2013-12-09 12:38:53 -0700 | [diff] [blame] | 1317 | |
| 1318 | td->latency_qd_high = td->latency_qd; |
Jens Axboe | 6bb5821 | 2014-02-21 13:55:31 -0800 | [diff] [blame] | 1319 | |
| 1320 | if (td->latency_qd == td->latency_qd_low) |
| 1321 | td->latency_qd_low--; |
| 1322 | |
Jens Axboe | 3e260a4 | 2013-12-09 12:38:53 -0700 | [diff] [blame] | 1323 | td->latency_qd = (td->latency_qd + td->latency_qd_low) / 2; |
| 1324 | |
| 1325 | dprint(FD_RATE, "Ramped down: %d %d %d\n", td->latency_qd_low, td->latency_qd, td->latency_qd_high); |
| 1326 | |
| 1327 | /* |
| 1328 | * When we ramp QD down, quiesce existing IO to prevent |
| 1329 | * a storm of ramp downs due to pending higher depth. |
| 1330 | */ |
| 1331 | io_u_quiesce(td); |
| 1332 | lat_new_cycle(td); |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 1333 | return false; |
Jens Axboe | 3e260a4 | 2013-12-09 12:38:53 -0700 | [diff] [blame] | 1334 | } |
| 1335 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 1336 | static bool lat_target_failed(struct thread_data *td) |
Jens Axboe | 3e260a4 | 2013-12-09 12:38:53 -0700 | [diff] [blame] | 1337 | { |
| 1338 | if (td->o.latency_percentile.u.f == 100.0) |
| 1339 | return __lat_target_failed(td); |
| 1340 | |
| 1341 | td->latency_failed++; |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 1342 | return false; |
Jens Axboe | 3e260a4 | 2013-12-09 12:38:53 -0700 | [diff] [blame] | 1343 | } |
| 1344 | |
| 1345 | void lat_target_init(struct thread_data *td) |
| 1346 | { |
Jens Axboe | 6bb5821 | 2014-02-21 13:55:31 -0800 | [diff] [blame] | 1347 | td->latency_end_run = 0; |
| 1348 | |
Jens Axboe | 3e260a4 | 2013-12-09 12:38:53 -0700 | [diff] [blame] | 1349 | if (td->o.latency_target) { |
| 1350 | dprint(FD_RATE, "Latency target=%llu\n", td->o.latency_target); |
| 1351 | fio_gettime(&td->latency_ts, NULL); |
| 1352 | td->latency_qd = 1; |
| 1353 | td->latency_qd_high = td->o.iodepth; |
| 1354 | td->latency_qd_low = 1; |
| 1355 | td->latency_ios = ddir_rw_sum(td->io_blocks); |
| 1356 | } else |
| 1357 | td->latency_qd = td->o.iodepth; |
| 1358 | } |
| 1359 | |
Jens Axboe | 6bb5821 | 2014-02-21 13:55:31 -0800 | [diff] [blame] | 1360 | void lat_target_reset(struct thread_data *td) |
| 1361 | { |
| 1362 | if (!td->latency_end_run) |
| 1363 | lat_target_init(td); |
| 1364 | } |
| 1365 | |
Jens Axboe | 3e260a4 | 2013-12-09 12:38:53 -0700 | [diff] [blame] | 1366 | static void lat_target_success(struct thread_data *td) |
| 1367 | { |
| 1368 | const unsigned int qd = td->latency_qd; |
Jens Axboe | 6bb5821 | 2014-02-21 13:55:31 -0800 | [diff] [blame] | 1369 | struct thread_options *o = &td->o; |
Jens Axboe | 3e260a4 | 2013-12-09 12:38:53 -0700 | [diff] [blame] | 1370 | |
| 1371 | td->latency_qd_low = td->latency_qd; |
| 1372 | |
| 1373 | /* |
| 1374 | * If we haven't failed yet, we double up to a failing value instead |
| 1375 | * of bisecting from highest possible queue depth. If we have set |
| 1376 | * a limit other than td->o.iodepth, bisect between that. |
| 1377 | */ |
Jens Axboe | 6bb5821 | 2014-02-21 13:55:31 -0800 | [diff] [blame] | 1378 | if (td->latency_qd_high != o->iodepth) |
Jens Axboe | 3e260a4 | 2013-12-09 12:38:53 -0700 | [diff] [blame] | 1379 | td->latency_qd = (td->latency_qd + td->latency_qd_high) / 2; |
| 1380 | else |
| 1381 | td->latency_qd *= 2; |
| 1382 | |
Jens Axboe | 6bb5821 | 2014-02-21 13:55:31 -0800 | [diff] [blame] | 1383 | if (td->latency_qd > o->iodepth) |
| 1384 | td->latency_qd = o->iodepth; |
Jens Axboe | 3e260a4 | 2013-12-09 12:38:53 -0700 | [diff] [blame] | 1385 | |
| 1386 | dprint(FD_RATE, "Ramped up: %d %d %d\n", td->latency_qd_low, td->latency_qd, td->latency_qd_high); |
Jens Axboe | 6bb5821 | 2014-02-21 13:55:31 -0800 | [diff] [blame] | 1387 | |
Jens Axboe | 3e260a4 | 2013-12-09 12:38:53 -0700 | [diff] [blame] | 1388 | /* |
Jens Axboe | 6bb5821 | 2014-02-21 13:55:31 -0800 | [diff] [blame] | 1389 | * Same as last one, we are done. Let it run a latency cycle, so |
| 1390 | * we get only the results from the targeted depth. |
Jens Axboe | 3e260a4 | 2013-12-09 12:38:53 -0700 | [diff] [blame] | 1391 | */ |
Jens Axboe | 6bb5821 | 2014-02-21 13:55:31 -0800 | [diff] [blame] | 1392 | if (td->latency_qd == qd) { |
| 1393 | if (td->latency_end_run) { |
| 1394 | dprint(FD_RATE, "We are done\n"); |
| 1395 | td->done = 1; |
| 1396 | } else { |
| 1397 | dprint(FD_RATE, "Quiesce and final run\n"); |
| 1398 | io_u_quiesce(td); |
| 1399 | td->latency_end_run = 1; |
| 1400 | reset_all_stats(td); |
| 1401 | reset_io_stats(td); |
| 1402 | } |
| 1403 | } |
Jens Axboe | 3e260a4 | 2013-12-09 12:38:53 -0700 | [diff] [blame] | 1404 | |
| 1405 | lat_new_cycle(td); |
| 1406 | } |
| 1407 | |
| 1408 | /* |
| 1409 | * Check if we can bump the queue depth |
| 1410 | */ |
| 1411 | void lat_target_check(struct thread_data *td) |
| 1412 | { |
| 1413 | uint64_t usec_window; |
| 1414 | uint64_t ios; |
| 1415 | double success_ios; |
| 1416 | |
| 1417 | usec_window = utime_since_now(&td->latency_ts); |
| 1418 | if (usec_window < td->o.latency_window) |
| 1419 | return; |
| 1420 | |
| 1421 | ios = ddir_rw_sum(td->io_blocks) - td->latency_ios; |
| 1422 | success_ios = (double) (ios - td->latency_failed) / (double) ios; |
| 1423 | success_ios *= 100.0; |
| 1424 | |
| 1425 | dprint(FD_RATE, "Success rate: %.2f%% (target %.2f%%)\n", success_ios, td->o.latency_percentile.u.f); |
| 1426 | |
| 1427 | if (success_ios >= td->o.latency_percentile.u.f) |
| 1428 | lat_target_success(td); |
| 1429 | else |
| 1430 | __lat_target_failed(td); |
| 1431 | } |
| 1432 | |
| 1433 | /* |
| 1434 | * If latency target is enabled, we might be ramping up or down and not |
| 1435 | * using the full queue depth available. |
| 1436 | */ |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 1437 | bool queue_full(const struct thread_data *td) |
Jens Axboe | 3e260a4 | 2013-12-09 12:38:53 -0700 | [diff] [blame] | 1438 | { |
| 1439 | const int qempty = io_u_qempty(&td->io_u_freelist); |
| 1440 | |
| 1441 | if (qempty) |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 1442 | return true; |
Jens Axboe | 3e260a4 | 2013-12-09 12:38:53 -0700 | [diff] [blame] | 1443 | if (!td->o.latency_target) |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 1444 | return false; |
Jens Axboe | 3e260a4 | 2013-12-09 12:38:53 -0700 | [diff] [blame] | 1445 | |
| 1446 | return td->cur_depth >= td->latency_qd; |
| 1447 | } |
Jens Axboe | 429f667 | 2007-07-23 10:38:43 +0200 | [diff] [blame] | 1448 | |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1449 | struct io_u *__get_io_u(struct thread_data *td) |
| 1450 | { |
Jens Axboe | 0cae66f | 2014-03-03 13:55:32 -0700 | [diff] [blame] | 1451 | struct io_u *io_u = NULL; |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1452 | |
Jens Axboe | de54cfd | 2014-11-10 20:34:00 -0700 | [diff] [blame] | 1453 | if (td->stop_io) |
| 1454 | return NULL; |
| 1455 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1456 | td_io_u_lock(td); |
| 1457 | |
| 1458 | again: |
Jens Axboe | 2ae0b20 | 2013-05-28 14:16:55 +0200 | [diff] [blame] | 1459 | if (!io_u_rempty(&td->io_u_requeues)) |
| 1460 | io_u = io_u_rpop(&td->io_u_requeues); |
Jens Axboe | 3e260a4 | 2013-12-09 12:38:53 -0700 | [diff] [blame] | 1461 | else if (!queue_full(td)) { |
Jens Axboe | 2ae0b20 | 2013-05-28 14:16:55 +0200 | [diff] [blame] | 1462 | io_u = io_u_qpop(&td->io_u_freelist); |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1463 | |
Jens Axboe | 225ba9e | 2014-02-26 14:31:15 -0800 | [diff] [blame] | 1464 | io_u->file = NULL; |
Jens Axboe | 6040dab | 2006-10-24 19:38:15 +0200 | [diff] [blame] | 1465 | io_u->buflen = 0; |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1466 | io_u->resid = 0; |
Jens Axboe | d7762cf | 2007-02-23 12:34:57 +0100 | [diff] [blame] | 1467 | io_u->end_io = NULL; |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 1468 | } |
| 1469 | |
| 1470 | if (io_u) { |
Jens Axboe | 0c6e751 | 2007-02-22 11:19:39 +0100 | [diff] [blame] | 1471 | assert(io_u->flags & IO_U_F_FREE); |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 1472 | io_u_clear(td, io_u, IO_U_F_FREE | IO_U_F_NO_FILE_PUT | |
Jens Axboe | e69fdf7 | 2014-07-23 16:11:43 +0200 | [diff] [blame] | 1473 | IO_U_F_TRIMMED | IO_U_F_BARRIER | |
| 1474 | IO_U_F_VER_LIST); |
Jens Axboe | 0c6e751 | 2007-02-22 11:19:39 +0100 | [diff] [blame] | 1475 | |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 1476 | io_u->error = 0; |
Jens Axboe | bcd5abf | 2013-01-23 09:27:25 -0700 | [diff] [blame] | 1477 | io_u->acct_ddir = -1; |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1478 | td->cur_depth++; |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 1479 | assert(!(td->flags & TD_F_CHILD)); |
| 1480 | io_u_set(td, io_u, IO_U_F_IN_CUR_DEPTH); |
Jens Axboe | f940128 | 2014-02-06 12:17:37 -0700 | [diff] [blame] | 1481 | io_u->ipo = NULL; |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 1482 | } else if (td_async_processing(td)) { |
Jens Axboe | 1dec3e0 | 2010-03-19 10:33:39 +0100 | [diff] [blame] | 1483 | /* |
| 1484 | * We ran out, wait for async verify threads to finish and |
| 1485 | * return one |
| 1486 | */ |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 1487 | assert(!(td->flags & TD_F_CHILD)); |
| 1488 | assert(!pthread_cond_wait(&td->free_cond, &td->io_u_lock)); |
Jens Axboe | 1dec3e0 | 2010-03-19 10:33:39 +0100 | [diff] [blame] | 1489 | goto again; |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1490 | } |
| 1491 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1492 | td_io_u_unlock(td); |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1493 | return io_u; |
| 1494 | } |
| 1495 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 1496 | static bool check_get_trim(struct thread_data *td, struct io_u *io_u) |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1497 | { |
Jens Axboe | d72be54 | 2012-11-30 19:37:46 +0100 | [diff] [blame] | 1498 | if (!(td->flags & TD_F_TRIM_BACKLOG)) |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 1499 | return false; |
Jens Axboe | d72be54 | 2012-11-30 19:37:46 +0100 | [diff] [blame] | 1500 | |
| 1501 | if (td->trim_entries) { |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 1502 | int get_trim = 0; |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1503 | |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 1504 | if (td->trim_batch) { |
| 1505 | td->trim_batch--; |
| 1506 | get_trim = 1; |
| 1507 | } else if (!(td->io_hist_len % td->o.trim_backlog) && |
| 1508 | td->last_ddir != DDIR_READ) { |
| 1509 | td->trim_batch = td->o.trim_batch; |
| 1510 | if (!td->trim_batch) |
| 1511 | td->trim_batch = td->o.trim_backlog; |
| 1512 | get_trim = 1; |
| 1513 | } |
| 1514 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 1515 | if (get_trim && get_next_trim(td, io_u)) |
| 1516 | return true; |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 1517 | } |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1518 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 1519 | return false; |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 1520 | } |
| 1521 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 1522 | static bool check_get_verify(struct thread_data *td, struct io_u *io_u) |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 1523 | { |
Jens Axboe | d72be54 | 2012-11-30 19:37:46 +0100 | [diff] [blame] | 1524 | if (!(td->flags & TD_F_VER_BACKLOG)) |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 1525 | return false; |
Jens Axboe | d72be54 | 2012-11-30 19:37:46 +0100 | [diff] [blame] | 1526 | |
| 1527 | if (td->io_hist_len) { |
Jens Axboe | 9e14418 | 2010-06-15 14:25:36 +0200 | [diff] [blame] | 1528 | int get_verify = 0; |
| 1529 | |
Jens Axboe | d1ece0c | 2012-03-07 09:32:58 +0100 | [diff] [blame] | 1530 | if (td->verify_batch) |
Jens Axboe | 9e14418 | 2010-06-15 14:25:36 +0200 | [diff] [blame] | 1531 | get_verify = 1; |
Jens Axboe | d1ece0c | 2012-03-07 09:32:58 +0100 | [diff] [blame] | 1532 | else if (!(td->io_hist_len % td->o.verify_backlog) && |
Jens Axboe | 9e14418 | 2010-06-15 14:25:36 +0200 | [diff] [blame] | 1533 | td->last_ddir != DDIR_READ) { |
| 1534 | td->verify_batch = td->o.verify_batch; |
Jens Axboe | f8a75c9 | 2010-06-15 14:27:28 +0200 | [diff] [blame] | 1535 | if (!td->verify_batch) |
| 1536 | td->verify_batch = td->o.verify_backlog; |
Jens Axboe | 9e14418 | 2010-06-15 14:25:36 +0200 | [diff] [blame] | 1537 | get_verify = 1; |
| 1538 | } |
| 1539 | |
Jens Axboe | d1ece0c | 2012-03-07 09:32:58 +0100 | [diff] [blame] | 1540 | if (get_verify && !get_next_verify(td, io_u)) { |
| 1541 | td->verify_batch--; |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 1542 | return true; |
Jens Axboe | d1ece0c | 2012-03-07 09:32:58 +0100 | [diff] [blame] | 1543 | } |
Jens Axboe | 9e14418 | 2010-06-15 14:25:36 +0200 | [diff] [blame] | 1544 | } |
| 1545 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 1546 | return false; |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 1547 | } |
| 1548 | |
| 1549 | /* |
Jens Axboe | de78976 | 2011-09-16 22:11:23 +0200 | [diff] [blame] | 1550 | * Fill offset and start time into the buffer content, to prevent too |
Jens Axboe | 23f394d | 2011-09-16 22:45:27 +0200 | [diff] [blame] | 1551 | * easy compressible data for simple de-dupe attempts. Do this for every |
| 1552 | * 512b block in the range, since that should be the smallest block size |
| 1553 | * we can expect from a device. |
Jens Axboe | de78976 | 2011-09-16 22:11:23 +0200 | [diff] [blame] | 1554 | */ |
| 1555 | static void small_content_scramble(struct io_u *io_u) |
| 1556 | { |
Jens Axboe | 23f394d | 2011-09-16 22:45:27 +0200 | [diff] [blame] | 1557 | unsigned int i, nr_blocks = io_u->buflen / 512; |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame] | 1558 | uint64_t boffset; |
Jens Axboe | 23f394d | 2011-09-16 22:45:27 +0200 | [diff] [blame] | 1559 | unsigned int offset; |
| 1560 | void *p, *end; |
Jens Axboe | de78976 | 2011-09-16 22:11:23 +0200 | [diff] [blame] | 1561 | |
Jens Axboe | 23f394d | 2011-09-16 22:45:27 +0200 | [diff] [blame] | 1562 | if (!nr_blocks) |
| 1563 | return; |
| 1564 | |
| 1565 | p = io_u->xfer_buf; |
Jens Axboe | fba76ee | 2011-09-27 14:27:48 -0600 | [diff] [blame] | 1566 | boffset = io_u->offset; |
Jens Axboe | 81f0366 | 2012-02-02 09:20:09 +0100 | [diff] [blame] | 1567 | io_u->buf_filled_len = 0; |
Jens Axboe | fad82f7 | 2011-09-19 11:33:30 +0200 | [diff] [blame] | 1568 | |
Jens Axboe | 23f394d | 2011-09-16 22:45:27 +0200 | [diff] [blame] | 1569 | for (i = 0; i < nr_blocks; i++) { |
| 1570 | /* |
| 1571 | * Fill the byte offset into a "random" start offset of |
| 1572 | * the buffer, given by the product of the usec time |
| 1573 | * and the actual offset. |
| 1574 | */ |
Jens Axboe | fad82f7 | 2011-09-19 11:33:30 +0200 | [diff] [blame] | 1575 | offset = (io_u->start_time.tv_usec ^ boffset) & 511; |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame] | 1576 | offset &= ~(sizeof(uint64_t) - 1); |
| 1577 | if (offset >= 512 - sizeof(uint64_t)) |
| 1578 | offset -= sizeof(uint64_t); |
Jens Axboe | fba76ee | 2011-09-27 14:27:48 -0600 | [diff] [blame] | 1579 | memcpy(p + offset, &boffset, sizeof(boffset)); |
Jens Axboe | 23f394d | 2011-09-16 22:45:27 +0200 | [diff] [blame] | 1580 | |
| 1581 | end = p + 512 - sizeof(io_u->start_time); |
| 1582 | memcpy(end, &io_u->start_time, sizeof(io_u->start_time)); |
| 1583 | p += 512; |
Jens Axboe | fad82f7 | 2011-09-19 11:33:30 +0200 | [diff] [blame] | 1584 | boffset += 512; |
Jens Axboe | 23f394d | 2011-09-16 22:45:27 +0200 | [diff] [blame] | 1585 | } |
Jens Axboe | de78976 | 2011-09-16 22:11:23 +0200 | [diff] [blame] | 1586 | } |
| 1587 | |
| 1588 | /* |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 1589 | * Return an io_u to be processed. Gets a buflen and offset, sets direction, |
| 1590 | * etc. The returned io_u is fully ready to be prepped and submitted. |
| 1591 | */ |
| 1592 | struct io_u *get_io_u(struct thread_data *td) |
| 1593 | { |
| 1594 | struct fio_file *f; |
| 1595 | struct io_u *io_u; |
Jens Axboe | de78976 | 2011-09-16 22:11:23 +0200 | [diff] [blame] | 1596 | int do_scramble = 0; |
Jens Axboe | 002fe73 | 2014-02-11 08:31:13 -0700 | [diff] [blame] | 1597 | long ret = 0; |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 1598 | |
| 1599 | io_u = __get_io_u(td); |
| 1600 | if (!io_u) { |
| 1601 | dprint(FD_IO, "__get_io_u failed\n"); |
| 1602 | return NULL; |
| 1603 | } |
| 1604 | |
| 1605 | if (check_get_verify(td, io_u)) |
| 1606 | goto out; |
| 1607 | if (check_get_trim(td, io_u)) |
| 1608 | goto out; |
| 1609 | |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 1610 | /* |
| 1611 | * from a requeue, io_u already setup |
| 1612 | */ |
| 1613 | if (io_u->file) |
Jens Axboe | 77f392b | 2007-02-19 20:13:09 +0100 | [diff] [blame] | 1614 | goto out; |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 1615 | |
Jens Axboe | 429f667 | 2007-07-23 10:38:43 +0200 | [diff] [blame] | 1616 | /* |
| 1617 | * If using an iolog, grab next piece if any available. |
| 1618 | */ |
Jens Axboe | d72be54 | 2012-11-30 19:37:46 +0100 | [diff] [blame] | 1619 | if (td->flags & TD_F_READ_IOLOG) { |
Jens Axboe | 429f667 | 2007-07-23 10:38:43 +0200 | [diff] [blame] | 1620 | if (read_iolog_get(td, io_u)) |
| 1621 | goto err_put; |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 1622 | } else if (set_io_u_file(td, io_u)) { |
Jens Axboe | 002fe73 | 2014-02-11 08:31:13 -0700 | [diff] [blame] | 1623 | ret = -EBUSY; |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 1624 | dprint(FD_IO, "io_u %p, setting file failed\n", io_u); |
Jens Axboe | 429f667 | 2007-07-23 10:38:43 +0200 | [diff] [blame] | 1625 | goto err_put; |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 1626 | } |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 1627 | |
Jens Axboe | 429f667 | 2007-07-23 10:38:43 +0200 | [diff] [blame] | 1628 | f = io_u->file; |
Jens Axboe | 002fe73 | 2014-02-11 08:31:13 -0700 | [diff] [blame] | 1629 | if (!f) { |
| 1630 | dprint(FD_IO, "io_u %p, setting file failed\n", io_u); |
| 1631 | goto err_put; |
| 1632 | } |
| 1633 | |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 1634 | assert(fio_file_open(f)); |
Jens Axboe | 97af62c | 2007-05-22 11:12:13 +0200 | [diff] [blame] | 1635 | |
Jens Axboe | ff58fce | 2010-08-25 12:02:08 +0200 | [diff] [blame] | 1636 | if (ddir_rw(io_u->ddir)) { |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 1637 | if (!io_u->buflen && !td_ioengine_flagged(td, FIO_NOIO)) { |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 1638 | dprint(FD_IO, "get_io_u: zero buflen on %p\n", io_u); |
Jens Axboe | 429f667 | 2007-07-23 10:38:43 +0200 | [diff] [blame] | 1639 | goto err_put; |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 1640 | } |
Jens Axboe | 87dc1ab | 2006-10-24 14:41:26 +0200 | [diff] [blame] | 1641 | |
Jens Axboe | 08a99be | 2014-12-14 19:01:24 -0700 | [diff] [blame] | 1642 | f->last_start[io_u->ddir] = io_u->offset; |
| 1643 | f->last_pos[io_u->ddir] = io_u->offset + io_u->buflen; |
Jens Axboe | 87dc1ab | 2006-10-24 14:41:26 +0200 | [diff] [blame] | 1644 | |
Jens Axboe | fd68418 | 2011-09-19 09:24:44 +0200 | [diff] [blame] | 1645 | if (io_u->ddir == DDIR_WRITE) { |
Jens Axboe | d72be54 | 2012-11-30 19:37:46 +0100 | [diff] [blame] | 1646 | if (td->flags & TD_F_REFILL_BUFFERS) { |
Jens Axboe | 9c42684 | 2012-03-02 21:02:12 +0100 | [diff] [blame] | 1647 | io_u_fill_buffer(td, io_u, |
Jens Axboe | 8e0aa16 | 2014-09-26 15:04:58 -0600 | [diff] [blame] | 1648 | td->o.min_bs[DDIR_WRITE], |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 1649 | io_u->buflen); |
Jens Axboe | bedc9dc | 2014-03-17 12:51:09 -0600 | [diff] [blame] | 1650 | } else if ((td->flags & TD_F_SCRAMBLE_BUFFERS) && |
| 1651 | !(td->flags & TD_F_COMPRESS)) |
Jens Axboe | fd68418 | 2011-09-19 09:24:44 +0200 | [diff] [blame] | 1652 | do_scramble = 1; |
Jens Axboe | d72be54 | 2012-11-30 19:37:46 +0100 | [diff] [blame] | 1653 | if (td->flags & TD_F_VER_NONE) { |
Jens Axboe | 629f1d7 | 2012-03-09 19:02:01 +0100 | [diff] [blame] | 1654 | populate_verify_io_u(td, io_u); |
| 1655 | do_scramble = 0; |
| 1656 | } |
Jens Axboe | fd68418 | 2011-09-19 09:24:44 +0200 | [diff] [blame] | 1657 | } else if (io_u->ddir == DDIR_READ) { |
Radha Ramachandran | cbe8d75 | 2010-07-14 08:36:07 +0200 | [diff] [blame] | 1658 | /* |
| 1659 | * Reset the buf_filled parameters so next time if the |
| 1660 | * buffer is used for writes it is refilled. |
| 1661 | */ |
Radha Ramachandran | cbe8d75 | 2010-07-14 08:36:07 +0200 | [diff] [blame] | 1662 | io_u->buf_filled_len = 0; |
| 1663 | } |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1664 | } |
| 1665 | |
Jens Axboe | 165faf1 | 2007-02-07 11:30:37 +0100 | [diff] [blame] | 1666 | /* |
| 1667 | * Set io data pointers. |
| 1668 | */ |
Jens Axboe | cec6b55 | 2007-02-06 20:15:38 +0100 | [diff] [blame] | 1669 | io_u->xfer_buf = io_u->buf; |
| 1670 | io_u->xfer_buflen = io_u->buflen; |
Jens Axboe | 5973caf | 2008-05-21 19:52:35 +0200 | [diff] [blame] | 1671 | |
Jens Axboe | 6ac7a33 | 2008-03-01 15:22:32 +0100 | [diff] [blame] | 1672 | out: |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 1673 | assert(io_u->file); |
Jens Axboe | 429f667 | 2007-07-23 10:38:43 +0200 | [diff] [blame] | 1674 | if (!td_io_prep(td, io_u)) { |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 1675 | if (!td->o.disable_lat) |
Jens Axboe | 993bf48 | 2008-11-14 13:04:53 +0100 | [diff] [blame] | 1676 | fio_gettime(&io_u->start_time, NULL); |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 1677 | |
Jens Axboe | de78976 | 2011-09-16 22:11:23 +0200 | [diff] [blame] | 1678 | if (do_scramble) |
| 1679 | small_content_scramble(io_u); |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 1680 | |
Jens Axboe | 429f667 | 2007-07-23 10:38:43 +0200 | [diff] [blame] | 1681 | return io_u; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 1682 | } |
Jens Axboe | 429f667 | 2007-07-23 10:38:43 +0200 | [diff] [blame] | 1683 | err_put: |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 1684 | dprint(FD_IO, "get_io_u failed\n"); |
Jens Axboe | 429f667 | 2007-07-23 10:38:43 +0200 | [diff] [blame] | 1685 | put_io_u(td, io_u); |
Jens Axboe | 002fe73 | 2014-02-11 08:31:13 -0700 | [diff] [blame] | 1686 | return ERR_PTR(ret); |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1687 | } |
| 1688 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 1689 | static void __io_u_log_error(struct thread_data *td, struct io_u *io_u) |
Jens Axboe | 5451792 | 2007-03-05 10:06:06 +0100 | [diff] [blame] | 1690 | { |
Dmitry Monakhov | 8b28bd4 | 2012-09-23 15:46:09 +0400 | [diff] [blame] | 1691 | enum error_type_bit eb = td_error_type(io_u->ddir, io_u->error); |
Jens Axboe | 825f818 | 2010-08-25 10:47:18 +0200 | [diff] [blame] | 1692 | |
Dmitry Monakhov | 8b28bd4 | 2012-09-23 15:46:09 +0400 | [diff] [blame] | 1693 | if (td_non_fatal_error(td, eb, io_u->error) && !td->o.error_dump) |
| 1694 | return; |
Jens Axboe | 5451792 | 2007-03-05 10:06:06 +0100 | [diff] [blame] | 1695 | |
Robert Elliott | 2cbdcdb | 2014-09-16 17:09:48 -0500 | [diff] [blame] | 1696 | log_err("fio: io_u error%s%s: %s: %s offset=%llu, buflen=%lu\n", |
| 1697 | io_u->file ? " on file " : "", |
| 1698 | io_u->file ? io_u->file->file_name : "", |
| 1699 | strerror(io_u->error), |
| 1700 | io_ddir_name(io_u->ddir), |
| 1701 | io_u->offset, io_u->xfer_buflen); |
Jens Axboe | 5451792 | 2007-03-05 10:06:06 +0100 | [diff] [blame] | 1702 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 1703 | if (td->io_ops->errdetails) { |
| 1704 | char *err = td->io_ops->errdetails(io_u); |
| 1705 | |
| 1706 | log_err("fio: %s\n", err); |
| 1707 | free(err); |
| 1708 | } |
| 1709 | |
Jens Axboe | 5451792 | 2007-03-05 10:06:06 +0100 | [diff] [blame] | 1710 | if (!td->error) |
| 1711 | td_verror(td, io_u->error, "io_u error"); |
| 1712 | } |
| 1713 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 1714 | void io_u_log_error(struct thread_data *td, struct io_u *io_u) |
Jens Axboe | aba6c95 | 2014-02-13 19:59:56 -0700 | [diff] [blame] | 1715 | { |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 1716 | __io_u_log_error(td, io_u); |
| 1717 | if (td->parent) |
| 1718 | __io_u_log_error(td->parent, io_u); |
| 1719 | } |
| 1720 | |
| 1721 | static inline bool gtod_reduce(struct thread_data *td) |
| 1722 | { |
| 1723 | return (td->o.disable_clat && td->o.disable_slat && td->o.disable_bw) |
| 1724 | || td->o.gtod_reduce; |
Jens Axboe | aba6c95 | 2014-02-13 19:59:56 -0700 | [diff] [blame] | 1725 | } |
| 1726 | |
Jens Axboe | c8eeb9d | 2011-10-05 14:02:22 +0200 | [diff] [blame] | 1727 | static void account_io_completion(struct thread_data *td, struct io_u *io_u, |
| 1728 | struct io_completion_data *icd, |
| 1729 | const enum fio_ddir idx, unsigned int bytes) |
| 1730 | { |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 1731 | const int no_reduce = !gtod_reduce(td); |
Jens Axboe | 24d23ca | 2012-11-13 08:31:24 -0700 | [diff] [blame] | 1732 | unsigned long lusec = 0; |
Jens Axboe | c8eeb9d | 2011-10-05 14:02:22 +0200 | [diff] [blame] | 1733 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 1734 | if (td->parent) |
| 1735 | td = td->parent; |
| 1736 | |
| 1737 | if (!td->o.stats) |
| 1738 | return; |
| 1739 | |
| 1740 | if (no_reduce) |
Jens Axboe | c8eeb9d | 2011-10-05 14:02:22 +0200 | [diff] [blame] | 1741 | lusec = utime_since(&io_u->issue_time, &icd->time); |
| 1742 | |
| 1743 | if (!td->o.disable_lat) { |
| 1744 | unsigned long tusec; |
| 1745 | |
| 1746 | tusec = utime_since(&io_u->start_time, &icd->time); |
Jens Axboe | ccefd5f | 2014-06-30 20:59:03 -0600 | [diff] [blame] | 1747 | add_lat_sample(td, idx, tusec, bytes, io_u->offset); |
Jens Axboe | 1550153 | 2012-10-24 16:37:45 +0200 | [diff] [blame] | 1748 | |
Jens Axboe | d4afedf | 2013-05-22 22:21:29 +0200 | [diff] [blame] | 1749 | if (td->flags & TD_F_PROFILE_OPS) { |
| 1750 | struct prof_io_ops *ops = &td->prof_io_ops; |
| 1751 | |
| 1752 | if (ops->io_u_lat) |
| 1753 | icd->error = ops->io_u_lat(td, tusec); |
| 1754 | } |
| 1755 | |
Jens Axboe | 3e260a4 | 2013-12-09 12:38:53 -0700 | [diff] [blame] | 1756 | if (td->o.max_latency && tusec > td->o.max_latency) |
| 1757 | lat_fatal(td, icd, tusec, td->o.max_latency); |
| 1758 | if (td->o.latency_target && tusec > td->o.latency_target) { |
| 1759 | if (lat_target_failed(td)) |
| 1760 | lat_fatal(td, icd, tusec, td->o.latency_target); |
Jens Axboe | 1550153 | 2012-10-24 16:37:45 +0200 | [diff] [blame] | 1761 | } |
Jens Axboe | c8eeb9d | 2011-10-05 14:02:22 +0200 | [diff] [blame] | 1762 | } |
| 1763 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 1764 | if (ddir_rw(idx)) { |
| 1765 | if (!td->o.disable_clat) { |
| 1766 | add_clat_sample(td, idx, lusec, bytes, io_u->offset); |
| 1767 | io_u_mark_latency(td, lusec); |
| 1768 | } |
| 1769 | |
| 1770 | if (!td->o.disable_bw && per_unit_log(td->bw_log)) |
| 1771 | add_bw_sample(td, io_u, bytes, lusec); |
| 1772 | |
| 1773 | if (no_reduce && per_unit_log(td->iops_log)) |
| 1774 | add_iops_sample(td, io_u, bytes); |
Jens Axboe | c8eeb9d | 2011-10-05 14:02:22 +0200 | [diff] [blame] | 1775 | } |
| 1776 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 1777 | if (td->ts.nr_block_infos && io_u->ddir == DDIR_TRIM) { |
| 1778 | uint32_t *info = io_u_block_info(td, io_u); |
| 1779 | if (BLOCK_INFO_STATE(*info) < BLOCK_STATE_TRIM_FAILURE) { |
| 1780 | if (io_u->ddir == DDIR_TRIM) { |
| 1781 | *info = BLOCK_INFO(BLOCK_STATE_TRIMMED, |
| 1782 | BLOCK_INFO_TRIMS(*info) + 1); |
| 1783 | } else if (io_u->ddir == DDIR_WRITE) { |
| 1784 | *info = BLOCK_INFO_SET_STATE(BLOCK_STATE_WRITTEN, |
| 1785 | *info); |
| 1786 | } |
| 1787 | } |
| 1788 | } |
Jens Axboe | c8eeb9d | 2011-10-05 14:02:22 +0200 | [diff] [blame] | 1789 | } |
| 1790 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 1791 | static void file_log_write_comp(const struct thread_data *td, struct fio_file *f, |
| 1792 | uint64_t offset, unsigned int bytes) |
Steven Lang | 1b8dbf2 | 2011-11-09 13:48:01 +0100 | [diff] [blame] | 1793 | { |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 1794 | int idx; |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame] | 1795 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 1796 | if (!f) |
| 1797 | return; |
| 1798 | |
| 1799 | if (f->first_write == -1ULL || offset < f->first_write) |
| 1800 | f->first_write = offset; |
| 1801 | if (f->last_write == -1ULL || ((offset + bytes) > f->last_write)) |
| 1802 | f->last_write = offset + bytes; |
| 1803 | |
| 1804 | if (!f->last_write_comp) |
| 1805 | return; |
| 1806 | |
| 1807 | idx = f->last_write_idx++; |
| 1808 | f->last_write_comp[idx] = offset; |
| 1809 | if (f->last_write_idx == td->o.iodepth) |
| 1810 | f->last_write_idx = 0; |
Steven Lang | 1b8dbf2 | 2011-11-09 13:48:01 +0100 | [diff] [blame] | 1811 | } |
| 1812 | |
Jens Axboe | e69fdf7 | 2014-07-23 16:11:43 +0200 | [diff] [blame] | 1813 | static void io_completed(struct thread_data *td, struct io_u **io_u_ptr, |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1814 | struct io_completion_data *icd) |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1815 | { |
Jens Axboe | e69fdf7 | 2014-07-23 16:11:43 +0200 | [diff] [blame] | 1816 | struct io_u *io_u = *io_u_ptr; |
| 1817 | enum fio_ddir ddir = io_u->ddir; |
| 1818 | struct fio_file *f = io_u->file; |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1819 | |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 1820 | dprint_io_u(io_u, "io complete"); |
| 1821 | |
Jens Axboe | 0c6e751 | 2007-02-22 11:19:39 +0100 | [diff] [blame] | 1822 | assert(io_u->flags & IO_U_F_FLIGHT); |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 1823 | io_u_clear(td, io_u, IO_U_F_FLIGHT | IO_U_F_BUSY_OK); |
Jens Axboe | f940128 | 2014-02-06 12:17:37 -0700 | [diff] [blame] | 1824 | |
| 1825 | /* |
| 1826 | * Mark IO ok to verify |
| 1827 | */ |
| 1828 | if (io_u->ipo) { |
Jens Axboe | 890b665 | 2014-05-06 19:06:51 -0600 | [diff] [blame] | 1829 | /* |
| 1830 | * Remove errored entry from the verification list |
| 1831 | */ |
| 1832 | if (io_u->error) |
| 1833 | unlog_io_piece(td, io_u); |
| 1834 | else { |
| 1835 | io_u->ipo->flags &= ~IP_F_IN_FLIGHT; |
| 1836 | write_barrier(); |
| 1837 | } |
Jens Axboe | f940128 | 2014-02-06 12:17:37 -0700 | [diff] [blame] | 1838 | } |
| 1839 | |
Jens Axboe | e69fdf7 | 2014-07-23 16:11:43 +0200 | [diff] [blame] | 1840 | if (ddir_sync(ddir)) { |
Jens Axboe | 87dc1ab | 2006-10-24 14:41:26 +0200 | [diff] [blame] | 1841 | td->last_was_sync = 1; |
Jens Axboe | 44f2969 | 2010-03-09 20:09:44 +0100 | [diff] [blame] | 1842 | if (f) { |
| 1843 | f->first_write = -1ULL; |
| 1844 | f->last_write = -1ULL; |
| 1845 | } |
Jens Axboe | 87dc1ab | 2006-10-24 14:41:26 +0200 | [diff] [blame] | 1846 | return; |
| 1847 | } |
| 1848 | |
| 1849 | td->last_was_sync = 0; |
Jens Axboe | e69fdf7 | 2014-07-23 16:11:43 +0200 | [diff] [blame] | 1850 | td->last_ddir = ddir; |
Jens Axboe | 87dc1ab | 2006-10-24 14:41:26 +0200 | [diff] [blame] | 1851 | |
Jens Axboe | e69fdf7 | 2014-07-23 16:11:43 +0200 | [diff] [blame] | 1852 | if (!io_u->error && ddir_rw(ddir)) { |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1853 | unsigned int bytes = io_u->buflen - io_u->resid; |
Jens Axboe | b29ee5b | 2008-09-11 10:17:26 +0200 | [diff] [blame] | 1854 | int ret; |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1855 | |
Jens Axboe | e69fdf7 | 2014-07-23 16:11:43 +0200 | [diff] [blame] | 1856 | td->io_blocks[ddir]++; |
| 1857 | td->this_io_blocks[ddir]++; |
| 1858 | td->io_bytes[ddir] += bytes; |
webee | ae2fafc | 2012-03-23 13:41:41 +0100 | [diff] [blame] | 1859 | |
| 1860 | if (!(io_u->flags & IO_U_F_VER_LIST)) |
Jens Axboe | e69fdf7 | 2014-07-23 16:11:43 +0200 | [diff] [blame] | 1861 | td->this_io_bytes[ddir] += bytes; |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1862 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 1863 | if (ddir == DDIR_WRITE) |
| 1864 | file_log_write_comp(td, f, io_u->offset, bytes); |
Jens Axboe | 44f2969 | 2010-03-09 20:09:44 +0100 | [diff] [blame] | 1865 | |
Steven Lang | 6b1190f | 2012-02-07 09:42:59 +0100 | [diff] [blame] | 1866 | if (ramp_time_over(td) && (td->runstate == TD_RUNNING || |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 1867 | td->runstate == TD_VERIFYING)) |
Jens Axboe | e69fdf7 | 2014-07-23 16:11:43 +0200 | [diff] [blame] | 1868 | account_io_completion(td, io_u, icd, ddir, bytes); |
Jens Axboe | 40e1a6f | 2009-06-11 10:55:39 +0200 | [diff] [blame] | 1869 | |
Jens Axboe | e69fdf7 | 2014-07-23 16:11:43 +0200 | [diff] [blame] | 1870 | icd->bytes_done[ddir] += bytes; |
Jens Axboe | 3af6ef3 | 2007-02-18 06:57:43 +0100 | [diff] [blame] | 1871 | |
Jens Axboe | d7762cf | 2007-02-23 12:34:57 +0100 | [diff] [blame] | 1872 | if (io_u->end_io) { |
Jens Axboe | e69fdf7 | 2014-07-23 16:11:43 +0200 | [diff] [blame] | 1873 | ret = io_u->end_io(td, io_u_ptr); |
| 1874 | io_u = *io_u_ptr; |
Jens Axboe | 3af6ef3 | 2007-02-18 06:57:43 +0100 | [diff] [blame] | 1875 | if (ret && !icd->error) |
| 1876 | icd->error = ret; |
| 1877 | } |
Jens Axboe | ff58fce | 2010-08-25 12:02:08 +0200 | [diff] [blame] | 1878 | } else if (io_u->error) { |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1879 | icd->error = io_u->error; |
Jens Axboe | 5451792 | 2007-03-05 10:06:06 +0100 | [diff] [blame] | 1880 | io_u_log_error(td, io_u); |
| 1881 | } |
Dmitry Monakhov | 8b28bd4 | 2012-09-23 15:46:09 +0400 | [diff] [blame] | 1882 | if (icd->error) { |
Jens Axboe | e69fdf7 | 2014-07-23 16:11:43 +0200 | [diff] [blame] | 1883 | enum error_type_bit eb = td_error_type(ddir, icd->error); |
| 1884 | |
Dmitry Monakhov | 8b28bd4 | 2012-09-23 15:46:09 +0400 | [diff] [blame] | 1885 | if (!td_non_fatal_error(td, eb, icd->error)) |
| 1886 | return; |
Jens Axboe | e69fdf7 | 2014-07-23 16:11:43 +0200 | [diff] [blame] | 1887 | |
Radha Ramachandran | f2bba18 | 2009-06-15 08:40:16 +0200 | [diff] [blame] | 1888 | /* |
| 1889 | * If there is a non_fatal error, then add to the error count |
| 1890 | * and clear all the errors. |
| 1891 | */ |
| 1892 | update_error_count(td, icd->error); |
| 1893 | td_clear_error(td); |
| 1894 | icd->error = 0; |
Jens Axboe | e69fdf7 | 2014-07-23 16:11:43 +0200 | [diff] [blame] | 1895 | if (io_u) |
| 1896 | io_u->error = 0; |
Radha Ramachandran | f2bba18 | 2009-06-15 08:40:16 +0200 | [diff] [blame] | 1897 | } |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1898 | } |
| 1899 | |
Jens Axboe | 9520ebb | 2008-10-16 21:03:27 +0200 | [diff] [blame] | 1900 | static void init_icd(struct thread_data *td, struct io_completion_data *icd, |
| 1901 | int nr) |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 1902 | { |
Shaohua Li | 6eaf09d | 2012-09-14 08:49:43 +0200 | [diff] [blame] | 1903 | int ddir; |
Jens Axboe | aba6c95 | 2014-02-13 19:59:56 -0700 | [diff] [blame] | 1904 | |
| 1905 | if (!gtod_reduce(td)) |
Jens Axboe | 9520ebb | 2008-10-16 21:03:27 +0200 | [diff] [blame] | 1906 | fio_gettime(&icd->time, NULL); |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 1907 | |
Jens Axboe | 3af6ef3 | 2007-02-18 06:57:43 +0100 | [diff] [blame] | 1908 | icd->nr = nr; |
| 1909 | |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 1910 | icd->error = 0; |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 1911 | for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) |
Shaohua Li | 6eaf09d | 2012-09-14 08:49:43 +0200 | [diff] [blame] | 1912 | icd->bytes_done[ddir] = 0; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 1913 | } |
| 1914 | |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1915 | static void ios_completed(struct thread_data *td, |
| 1916 | struct io_completion_data *icd) |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1917 | { |
| 1918 | struct io_u *io_u; |
| 1919 | int i; |
| 1920 | |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1921 | for (i = 0; i < icd->nr; i++) { |
| 1922 | io_u = td->io_ops->event(td, i); |
| 1923 | |
Jens Axboe | e69fdf7 | 2014-07-23 16:11:43 +0200 | [diff] [blame] | 1924 | io_completed(td, &io_u, icd); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1925 | |
Jens Axboe | e69fdf7 | 2014-07-23 16:11:43 +0200 | [diff] [blame] | 1926 | if (io_u) |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1927 | put_io_u(td, io_u); |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1928 | } |
| 1929 | } |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1930 | |
Jens Axboe | e7e6cfb | 2007-02-20 10:58:34 +0100 | [diff] [blame] | 1931 | /* |
| 1932 | * Complete a single io_u for the sync engines. |
| 1933 | */ |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 1934 | int io_u_sync_complete(struct thread_data *td, struct io_u *io_u) |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1935 | { |
| 1936 | struct io_completion_data icd; |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 1937 | int ddir; |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1938 | |
Jens Axboe | 9520ebb | 2008-10-16 21:03:27 +0200 | [diff] [blame] | 1939 | init_icd(td, &icd, 1); |
Jens Axboe | e69fdf7 | 2014-07-23 16:11:43 +0200 | [diff] [blame] | 1940 | io_completed(td, &io_u, &icd); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1941 | |
Jens Axboe | e69fdf7 | 2014-07-23 16:11:43 +0200 | [diff] [blame] | 1942 | if (io_u) |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1943 | put_io_u(td, io_u); |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1944 | |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 1945 | if (icd.error) { |
| 1946 | td_verror(td, icd.error, "io_u_sync_complete"); |
| 1947 | return -1; |
| 1948 | } |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1949 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 1950 | for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) |
| 1951 | td->bytes_done[ddir] += icd.bytes_done[ddir]; |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 1952 | |
| 1953 | return 0; |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1954 | } |
| 1955 | |
Jens Axboe | e7e6cfb | 2007-02-20 10:58:34 +0100 | [diff] [blame] | 1956 | /* |
| 1957 | * Called to complete min_events number of io for the async engines. |
| 1958 | */ |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 1959 | int io_u_queued_complete(struct thread_data *td, int min_evts) |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1960 | { |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1961 | struct io_completion_data icd; |
Jens Axboe | 00de55e | 2007-02-20 10:45:57 +0100 | [diff] [blame] | 1962 | struct timespec *tvp = NULL; |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 1963 | int ret, ddir; |
Davide Libenzi | 4d06a33 | 2007-03-22 07:43:50 +0100 | [diff] [blame] | 1964 | struct timespec ts = { .tv_sec = 0, .tv_nsec = 0, }; |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1965 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 1966 | dprint(FD_IO, "io_u_queued_complete: min=%d\n", min_evts); |
Jens Axboe | b271fe6 | 2008-02-04 10:49:41 +0100 | [diff] [blame] | 1967 | |
Jens Axboe | 4950421 | 2008-06-05 09:03:30 +0200 | [diff] [blame] | 1968 | if (!min_evts) |
Jens Axboe | 00de55e | 2007-02-20 10:45:57 +0100 | [diff] [blame] | 1969 | tvp = &ts; |
Robert Elliott | 0507483 | 2014-09-04 13:51:05 -0600 | [diff] [blame] | 1970 | else if (min_evts > td->cur_depth) |
| 1971 | min_evts = td->cur_depth; |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1972 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 1973 | /* No worries, td_io_getevents fixes min and max if they are |
| 1974 | * set incorrectly */ |
| 1975 | ret = td_io_getevents(td, min_evts, td->o.iodepth_batch_complete_max, tvp); |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1976 | if (ret < 0) { |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 1977 | td_verror(td, -ret, "td_io_getevents"); |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1978 | return ret; |
| 1979 | } else if (!ret) |
| 1980 | return ret; |
| 1981 | |
Jens Axboe | 9520ebb | 2008-10-16 21:03:27 +0200 | [diff] [blame] | 1982 | init_icd(td, &icd, ret); |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1983 | ios_completed(td, &icd); |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 1984 | if (icd.error) { |
| 1985 | td_verror(td, icd.error, "io_u_queued_complete"); |
| 1986 | return -1; |
| 1987 | } |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1988 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 1989 | for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) |
| 1990 | td->bytes_done[ddir] += icd.bytes_done[ddir]; |
Shaohua Li | 6eaf09d | 2012-09-14 08:49:43 +0200 | [diff] [blame] | 1991 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 1992 | return ret; |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1993 | } |
Jens Axboe | 7e77dd0 | 2007-02-20 10:57:34 +0100 | [diff] [blame] | 1994 | |
| 1995 | /* |
| 1996 | * Call when io_u is really queued, to update the submission latency. |
| 1997 | */ |
| 1998 | void io_u_queued(struct thread_data *td, struct io_u *io_u) |
| 1999 | { |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 2000 | if (!td->o.disable_slat && ramp_time_over(td) && td->o.stats) { |
Jens Axboe | 9520ebb | 2008-10-16 21:03:27 +0200 | [diff] [blame] | 2001 | unsigned long slat_time; |
Jens Axboe | 7e77dd0 | 2007-02-20 10:57:34 +0100 | [diff] [blame] | 2002 | |
Jens Axboe | 9520ebb | 2008-10-16 21:03:27 +0200 | [diff] [blame] | 2003 | slat_time = utime_since(&io_u->start_time, &io_u->issue_time); |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 2004 | |
| 2005 | if (td->parent) |
| 2006 | td = td->parent; |
| 2007 | |
Jens Axboe | ccefd5f | 2014-06-30 20:59:03 -0600 | [diff] [blame] | 2008 | add_slat_sample(td, io_u->ddir, slat_time, io_u->xfer_buflen, |
| 2009 | io_u->offset); |
Jens Axboe | 9520ebb | 2008-10-16 21:03:27 +0200 | [diff] [blame] | 2010 | } |
Jens Axboe | 7e77dd0 | 2007-02-20 10:57:34 +0100 | [diff] [blame] | 2011 | } |
Jens Axboe | 433afcb | 2007-02-22 10:39:01 +0100 | [diff] [blame] | 2012 | |
Jens Axboe | e66dac2 | 2014-09-22 10:02:07 -0600 | [diff] [blame] | 2013 | /* |
| 2014 | * See if we should reuse the last seed, if dedupe is enabled |
| 2015 | */ |
| 2016 | static struct frand_state *get_buf_state(struct thread_data *td) |
| 2017 | { |
| 2018 | unsigned int v; |
Jens Axboe | e66dac2 | 2014-09-22 10:02:07 -0600 | [diff] [blame] | 2019 | |
| 2020 | if (!td->o.dedupe_percentage) |
| 2021 | return &td->buf_state; |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 2022 | else if (td->o.dedupe_percentage == 100) { |
| 2023 | frand_copy(&td->buf_state_prev, &td->buf_state); |
| 2024 | return &td->buf_state; |
| 2025 | } |
Jens Axboe | e66dac2 | 2014-09-22 10:02:07 -0600 | [diff] [blame] | 2026 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 2027 | v = rand32_between(&td->dedupe_state, 1, 100); |
Jens Axboe | e66dac2 | 2014-09-22 10:02:07 -0600 | [diff] [blame] | 2028 | |
| 2029 | if (v <= td->o.dedupe_percentage) |
| 2030 | return &td->buf_state_prev; |
| 2031 | |
| 2032 | return &td->buf_state; |
| 2033 | } |
| 2034 | |
| 2035 | static void save_buf_state(struct thread_data *td, struct frand_state *rs) |
| 2036 | { |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 2037 | if (td->o.dedupe_percentage == 100) |
| 2038 | frand_copy(rs, &td->buf_state_prev); |
| 2039 | else if (rs == &td->buf_state) |
Jens Axboe | e66dac2 | 2014-09-22 10:02:07 -0600 | [diff] [blame] | 2040 | frand_copy(&td->buf_state_prev, rs); |
| 2041 | } |
| 2042 | |
Jens Axboe | cc86c39 | 2013-05-03 15:12:33 +0200 | [diff] [blame] | 2043 | void fill_io_buffer(struct thread_data *td, void *buf, unsigned int min_write, |
| 2044 | unsigned int max_bs) |
Jens Axboe | 5973caf | 2008-05-21 19:52:35 +0200 | [diff] [blame] | 2045 | { |
Jens Axboe | fd1583f | 2014-12-03 19:55:33 -0700 | [diff] [blame] | 2046 | struct thread_options *o = &td->o; |
| 2047 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 2048 | if (o->mem_type == MEM_CUDA_MALLOC) |
| 2049 | return; |
| 2050 | |
Vasily Tarasov | efd633f | 2015-01-28 09:10:30 -0700 | [diff] [blame] | 2051 | if (o->compress_percentage || o->dedupe_percentage) { |
Jens Axboe | 9c42684 | 2012-03-02 21:02:12 +0100 | [diff] [blame] | 2052 | unsigned int perc = td->o.compress_percentage; |
Jens Axboe | e66dac2 | 2014-09-22 10:02:07 -0600 | [diff] [blame] | 2053 | struct frand_state *rs; |
Jens Axboe | 8e0aa16 | 2014-09-26 15:04:58 -0600 | [diff] [blame] | 2054 | unsigned int left = max_bs; |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 2055 | unsigned int this_write; |
Jens Axboe | e66dac2 | 2014-09-22 10:02:07 -0600 | [diff] [blame] | 2056 | |
Jens Axboe | 8e0aa16 | 2014-09-26 15:04:58 -0600 | [diff] [blame] | 2057 | do { |
| 2058 | rs = get_buf_state(td); |
Jens Axboe | 9c42684 | 2012-03-02 21:02:12 +0100 | [diff] [blame] | 2059 | |
Jens Axboe | 8e0aa16 | 2014-09-26 15:04:58 -0600 | [diff] [blame] | 2060 | min_write = min(min_write, left); |
Jens Axboe | f97a43a | 2012-03-09 19:06:24 +0100 | [diff] [blame] | 2061 | |
Jens Axboe | 8e0aa16 | 2014-09-26 15:04:58 -0600 | [diff] [blame] | 2062 | if (perc) { |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 2063 | this_write = min_not_zero(min_write, |
| 2064 | td->o.compress_chunk); |
Jens Axboe | cc86c39 | 2013-05-03 15:12:33 +0200 | [diff] [blame] | 2065 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 2066 | fill_random_buf_percentage(rs, buf, perc, |
| 2067 | this_write, this_write, |
| 2068 | o->buffer_pattern, |
| 2069 | o->buffer_pattern_bytes); |
| 2070 | } else { |
Jens Axboe | 8e0aa16 | 2014-09-26 15:04:58 -0600 | [diff] [blame] | 2071 | fill_random_buf(rs, buf, min_write); |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 2072 | this_write = min_write; |
| 2073 | } |
Jens Axboe | 8e0aa16 | 2014-09-26 15:04:58 -0600 | [diff] [blame] | 2074 | |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 2075 | buf += this_write; |
| 2076 | left -= this_write; |
Jens Axboe | e66dac2 | 2014-09-22 10:02:07 -0600 | [diff] [blame] | 2077 | save_buf_state(td, rs); |
Jens Axboe | 8e0aa16 | 2014-09-26 15:04:58 -0600 | [diff] [blame] | 2078 | } while (left); |
Jens Axboe | fd1583f | 2014-12-03 19:55:33 -0700 | [diff] [blame] | 2079 | } else if (o->buffer_pattern_bytes) |
| 2080 | fill_buffer_pattern(td, buf, max_bs); |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 2081 | else if (o->zero_buffers) |
Jens Axboe | cc86c39 | 2013-05-03 15:12:33 +0200 | [diff] [blame] | 2082 | memset(buf, 0, max_bs); |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 2083 | else |
| 2084 | fill_random_buf(get_buf_state(td), buf, max_bs); |
Jens Axboe | cc86c39 | 2013-05-03 15:12:33 +0200 | [diff] [blame] | 2085 | } |
| 2086 | |
| 2087 | /* |
| 2088 | * "randomly" fill the buffer contents |
| 2089 | */ |
| 2090 | void io_u_fill_buffer(struct thread_data *td, struct io_u *io_u, |
| 2091 | unsigned int min_write, unsigned int max_bs) |
| 2092 | { |
| 2093 | io_u->buf_filled_len = 0; |
| 2094 | fill_io_buffer(td, io_u->buf, min_write, max_bs); |
Jens Axboe | 5973caf | 2008-05-21 19:52:35 +0200 | [diff] [blame] | 2095 | } |
Elliott Hughes | eda3a60 | 2017-05-19 18:53:02 -0700 | [diff] [blame] | 2096 | |
| 2097 | static int do_sync_file_range(const struct thread_data *td, |
| 2098 | struct fio_file *f) |
| 2099 | { |
| 2100 | off64_t offset, nbytes; |
| 2101 | |
| 2102 | offset = f->first_write; |
| 2103 | nbytes = f->last_write - f->first_write; |
| 2104 | |
| 2105 | if (!nbytes) |
| 2106 | return 0; |
| 2107 | |
| 2108 | return sync_file_range(f->fd, offset, nbytes, td->o.sync_file_range); |
| 2109 | } |
| 2110 | |
| 2111 | int do_io_u_sync(const struct thread_data *td, struct io_u *io_u) |
| 2112 | { |
| 2113 | int ret; |
| 2114 | |
| 2115 | if (io_u->ddir == DDIR_SYNC) { |
| 2116 | ret = fsync(io_u->file->fd); |
| 2117 | } else if (io_u->ddir == DDIR_DATASYNC) { |
| 2118 | #ifdef CONFIG_FDATASYNC |
| 2119 | ret = fdatasync(io_u->file->fd); |
| 2120 | #else |
| 2121 | ret = io_u->xfer_buflen; |
| 2122 | io_u->error = EINVAL; |
| 2123 | #endif |
| 2124 | } else if (io_u->ddir == DDIR_SYNC_FILE_RANGE) |
| 2125 | ret = do_sync_file_range(td, io_u->file); |
| 2126 | else { |
| 2127 | ret = io_u->xfer_buflen; |
| 2128 | io_u->error = EINVAL; |
| 2129 | } |
| 2130 | |
| 2131 | if (ret < 0) |
| 2132 | io_u->error = errno; |
| 2133 | |
| 2134 | return ret; |
| 2135 | } |
| 2136 | |
| 2137 | int do_io_u_trim(const struct thread_data *td, struct io_u *io_u) |
| 2138 | { |
| 2139 | #ifndef FIO_HAVE_TRIM |
| 2140 | io_u->error = EINVAL; |
| 2141 | return 0; |
| 2142 | #else |
| 2143 | struct fio_file *f = io_u->file; |
| 2144 | int ret; |
| 2145 | |
| 2146 | ret = os_trim(f->fd, io_u->offset, io_u->xfer_buflen); |
| 2147 | if (!ret) |
| 2148 | return io_u->xfer_buflen; |
| 2149 | |
| 2150 | io_u->error = ret; |
| 2151 | return 0; |
| 2152 | #endif |
| 2153 | } |