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 | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 14 | |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 15 | struct io_completion_data { |
| 16 | int nr; /* input */ |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 17 | |
| 18 | int error; /* output */ |
Jens Axboe | 100f49f | 2013-01-23 10:15:57 -0700 | [diff] [blame] | 19 | uint64_t bytes_done[DDIR_RWDIR_CNT]; /* output */ |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 20 | struct timeval time; /* output */ |
| 21 | }; |
| 22 | |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 23 | /* |
Jens Axboe | 7ebd796 | 2012-11-28 21:24:46 +0100 | [diff] [blame] | 24 | * 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] | 25 | * to yet. Used to make sure we cover the entire range in a fair fashion. |
| 26 | */ |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame] | 27 | static int random_map_free(struct fio_file *f, const uint64_t block) |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 28 | { |
Jens Axboe | 7ebd796 | 2012-11-28 21:24:46 +0100 | [diff] [blame] | 29 | return !axmap_isset(f->io_axmap, block); |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 30 | } |
| 31 | |
| 32 | /* |
Jens Axboe | df41558 | 2006-10-20 11:41:03 +0200 | [diff] [blame] | 33 | * Mark a given offset as used in the map. |
| 34 | */ |
Jens Axboe | 9bf2061 | 2007-03-01 09:33:57 +0100 | [diff] [blame] | 35 | 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] | 36 | { |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 37 | unsigned int min_bs = td->o.rw_min_bs; |
Jens Axboe | 9bf2061 | 2007-03-01 09:33:57 +0100 | [diff] [blame] | 38 | struct fio_file *f = io_u->file; |
Jens Axboe | 51ede0b | 2012-11-22 13:50:29 +0100 | [diff] [blame] | 39 | unsigned int nr_blocks; |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame] | 40 | uint64_t block; |
Jens Axboe | df41558 | 2006-10-20 11:41:03 +0200 | [diff] [blame] | 41 | |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame] | 42 | block = (io_u->offset - f->file_offset) / (uint64_t) min_bs; |
Jens Axboe | c685b5b | 2007-02-10 20:02:28 +0100 | [diff] [blame] | 43 | nr_blocks = (io_u->buflen + min_bs - 1) / min_bs; |
| 44 | |
Jens Axboe | 2ab9e98 | 2012-11-22 15:14:17 +0100 | [diff] [blame] | 45 | if (!(io_u->flags & IO_U_F_BUSY_OK)) |
Jens Axboe | 7ebd796 | 2012-11-28 21:24:46 +0100 | [diff] [blame] | 46 | nr_blocks = axmap_set_nr(f->io_axmap, block, nr_blocks); |
Jens Axboe | df41558 | 2006-10-20 11:41:03 +0200 | [diff] [blame] | 47 | |
Jens Axboe | 51ede0b | 2012-11-22 13:50:29 +0100 | [diff] [blame] | 48 | if ((nr_blocks * min_bs) < io_u->buflen) |
| 49 | io_u->buflen = nr_blocks * min_bs; |
Jens Axboe | df41558 | 2006-10-20 11:41:03 +0200 | [diff] [blame] | 50 | } |
| 51 | |
Jens Axboe | 7477673 | 2013-01-11 14:03:25 +0100 | [diff] [blame] | 52 | static uint64_t last_block(struct thread_data *td, struct fio_file *f, |
| 53 | enum fio_ddir ddir) |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 54 | { |
Jens Axboe | 7477673 | 2013-01-11 14:03:25 +0100 | [diff] [blame] | 55 | uint64_t max_blocks; |
| 56 | uint64_t max_size; |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 57 | |
Jens Axboe | ff58fce | 2010-08-25 12:02:08 +0200 | [diff] [blame] | 58 | assert(ddir_rw(ddir)); |
| 59 | |
Jens Axboe | d9dd70f | 2008-05-23 12:37:23 +0200 | [diff] [blame] | 60 | /* |
| 61 | * Hmm, should we make sure that ->io_size <= ->real_file_size? |
| 62 | */ |
| 63 | max_size = f->io_size; |
| 64 | if (max_size > f->real_file_size) |
| 65 | max_size = f->real_file_size; |
| 66 | |
Steven Noonan | ed33585 | 2012-01-31 13:58:00 +0100 | [diff] [blame] | 67 | if (td->o.zone_range) |
| 68 | max_size = td->o.zone_range; |
| 69 | |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame] | 70 | max_blocks = max_size / (uint64_t) td->o.ba[ddir]; |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 71 | if (!max_blocks) |
| 72 | return 0; |
| 73 | |
Jens Axboe | 67778e8 | 2008-05-15 09:20:08 +0200 | [diff] [blame] | 74 | return max_blocks; |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 75 | } |
| 76 | |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame] | 77 | struct rand_off { |
| 78 | struct flist_head list; |
| 79 | uint64_t off; |
| 80 | }; |
| 81 | |
Jens Axboe | e25839d | 2012-11-06 10:49:42 +0100 | [diff] [blame] | 82 | static int __get_next_rand_offset(struct thread_data *td, struct fio_file *f, |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame] | 83 | enum fio_ddir ddir, uint64_t *b) |
Jens Axboe | ec4015d | 2007-03-23 08:04:27 +0100 | [diff] [blame] | 84 | { |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame] | 85 | uint64_t r, lastb; |
Jens Axboe | 7477673 | 2013-01-11 14:03:25 +0100 | [diff] [blame] | 86 | |
| 87 | lastb = last_block(td, f, ddir); |
| 88 | if (!lastb) |
| 89 | return 1; |
Jens Axboe | ec4015d | 2007-03-23 08:04:27 +0100 | [diff] [blame] | 90 | |
Jens Axboe | 8055e41 | 2012-11-26 08:43:47 +0100 | [diff] [blame] | 91 | if (td->o.random_generator == FIO_RAND_GEN_TAUSWORTHE) { |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame] | 92 | uint64_t rmax; |
Jens Axboe | 15b8772 | 2011-10-12 09:42:33 +0200 | [diff] [blame] | 93 | |
Jens Axboe | 8055e41 | 2012-11-26 08:43:47 +0100 | [diff] [blame] | 94 | rmax = td->o.use_os_rand ? OS_RAND_MAX : FRAND_MAX; |
| 95 | |
| 96 | if (td->o.use_os_rand) { |
| 97 | rmax = OS_RAND_MAX; |
| 98 | r = os_random_long(&td->random_state); |
| 99 | } else { |
| 100 | rmax = FRAND_MAX; |
| 101 | r = __rand(&td->__random_state); |
| 102 | } |
| 103 | |
Jens Axboe | 4b91ee8 | 2013-02-25 10:18:33 +0100 | [diff] [blame] | 104 | dprint(FD_RANDOM, "off rand %llu\n", (unsigned long long) r); |
Jens Axboe | 8055e41 | 2012-11-26 08:43:47 +0100 | [diff] [blame] | 105 | |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame] | 106 | *b = (lastb - 1) * (r / ((uint64_t) rmax + 1.0)); |
Jens Axboe | 51ede0b | 2012-11-22 13:50:29 +0100 | [diff] [blame] | 107 | } else { |
Jens Axboe | 8055e41 | 2012-11-26 08:43:47 +0100 | [diff] [blame] | 108 | uint64_t off = 0; |
| 109 | |
Jens Axboe | 7477673 | 2013-01-11 14:03:25 +0100 | [diff] [blame] | 110 | if (lfsr_next(&f->lfsr, &off, lastb)) |
Jens Axboe | 8055e41 | 2012-11-26 08:43:47 +0100 | [diff] [blame] | 111 | return 1; |
| 112 | |
| 113 | *b = off; |
Jens Axboe | 51ede0b | 2012-11-22 13:50:29 +0100 | [diff] [blame] | 114 | } |
Jens Axboe | 2615cc4 | 2011-03-28 09:35:09 +0200 | [diff] [blame] | 115 | |
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 we are not maintaining a random map, we are done. |
Jens Axboe | ec4015d | 2007-03-23 08:04:27 +0100 | [diff] [blame] | 118 | */ |
Jens Axboe | 51ede0b | 2012-11-22 13:50:29 +0100 | [diff] [blame] | 119 | if (!file_randommap(td, f)) |
| 120 | goto ret; |
Jens Axboe | 43c63a7 | 2007-05-21 13:23:30 +0200 | [diff] [blame] | 121 | |
| 122 | /* |
Jens Axboe | 51ede0b | 2012-11-22 13:50:29 +0100 | [diff] [blame] | 123 | * calculate map offset and check if it's free |
Jens Axboe | 43c63a7 | 2007-05-21 13:23:30 +0200 | [diff] [blame] | 124 | */ |
Jens Axboe | 51ede0b | 2012-11-22 13:50:29 +0100 | [diff] [blame] | 125 | if (random_map_free(f, *b)) |
| 126 | goto ret; |
| 127 | |
Jens Axboe | 4b91ee8 | 2013-02-25 10:18:33 +0100 | [diff] [blame] | 128 | dprint(FD_RANDOM, "get_next_rand_offset: offset %llu busy\n", |
| 129 | (unsigned long long) *b); |
Jens Axboe | 51ede0b | 2012-11-22 13:50:29 +0100 | [diff] [blame] | 130 | |
Jens Axboe | 7ebd796 | 2012-11-28 21:24:46 +0100 | [diff] [blame] | 131 | *b = axmap_next_free(f->io_axmap, *b); |
Jens Axboe | 51ede0b | 2012-11-22 13:50:29 +0100 | [diff] [blame] | 132 | if (*b == (uint64_t) -1ULL) |
| 133 | return 1; |
Jens Axboe | 0ce8b11 | 2011-01-27 22:25:29 +0100 | [diff] [blame] | 134 | ret: |
| 135 | return 0; |
Jens Axboe | ec4015d | 2007-03-23 08:04:27 +0100 | [diff] [blame] | 136 | } |
| 137 | |
Jens Axboe | 925fee3 | 2012-11-06 13:50:32 +0100 | [diff] [blame] | 138 | static int __get_next_rand_offset_zipf(struct thread_data *td, |
| 139 | struct fio_file *f, enum fio_ddir ddir, |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame] | 140 | uint64_t *b) |
Jens Axboe | e25839d | 2012-11-06 10:49:42 +0100 | [diff] [blame] | 141 | { |
Jens Axboe | 9c6f631 | 2012-11-07 09:15:45 +0100 | [diff] [blame] | 142 | *b = zipf_next(&f->zipf); |
Jens Axboe | e25839d | 2012-11-06 10:49:42 +0100 | [diff] [blame] | 143 | return 0; |
| 144 | } |
| 145 | |
Jens Axboe | 925fee3 | 2012-11-06 13:50:32 +0100 | [diff] [blame] | 146 | static int __get_next_rand_offset_pareto(struct thread_data *td, |
| 147 | struct fio_file *f, enum fio_ddir ddir, |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame] | 148 | uint64_t *b) |
Jens Axboe | 925fee3 | 2012-11-06 13:50:32 +0100 | [diff] [blame] | 149 | { |
Jens Axboe | 9c6f631 | 2012-11-07 09:15:45 +0100 | [diff] [blame] | 150 | *b = pareto_next(&f->zipf); |
Jens Axboe | 925fee3 | 2012-11-06 13:50:32 +0100 | [diff] [blame] | 151 | return 0; |
| 152 | } |
| 153 | |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame] | 154 | static int flist_cmp(void *data, struct flist_head *a, struct flist_head *b) |
| 155 | { |
| 156 | struct rand_off *r1 = flist_entry(a, struct rand_off, list); |
| 157 | struct rand_off *r2 = flist_entry(b, struct rand_off, list); |
| 158 | |
| 159 | return r1->off - r2->off; |
| 160 | } |
| 161 | |
| 162 | static int get_off_from_method(struct thread_data *td, struct fio_file *f, |
| 163 | enum fio_ddir ddir, uint64_t *b) |
Jens Axboe | e25839d | 2012-11-06 10:49:42 +0100 | [diff] [blame] | 164 | { |
| 165 | if (td->o.random_distribution == FIO_RAND_DIST_RANDOM) |
| 166 | return __get_next_rand_offset(td, f, ddir, b); |
| 167 | else if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) |
| 168 | return __get_next_rand_offset_zipf(td, f, ddir, b); |
Jens Axboe | 925fee3 | 2012-11-06 13:50:32 +0100 | [diff] [blame] | 169 | else if (td->o.random_distribution == FIO_RAND_DIST_PARETO) |
| 170 | return __get_next_rand_offset_pareto(td, f, ddir, b); |
Jens Axboe | e25839d | 2012-11-06 10:49:42 +0100 | [diff] [blame] | 171 | |
| 172 | log_err("fio: unknown random distribution: %d\n", td->o.random_distribution); |
| 173 | return 1; |
| 174 | } |
| 175 | |
Jens Axboe | bcd5abf | 2013-01-23 09:27:25 -0700 | [diff] [blame] | 176 | /* |
| 177 | * Sort the reads for a verify phase in batches of verifysort_nr, if |
| 178 | * specified. |
| 179 | */ |
| 180 | static inline int should_sort_io(struct thread_data *td) |
| 181 | { |
| 182 | if (!td->o.verifysort_nr || !td->o.do_verify) |
| 183 | return 0; |
| 184 | if (!td_random(td)) |
| 185 | return 0; |
| 186 | if (td->runstate != TD_VERIFYING) |
| 187 | return 0; |
| 188 | if (td->o.random_generator == FIO_RAND_GEN_TAUSWORTHE) |
| 189 | return 0; |
| 190 | |
| 191 | return 1; |
| 192 | } |
| 193 | |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame] | 194 | static int get_next_rand_offset(struct thread_data *td, struct fio_file *f, |
| 195 | enum fio_ddir ddir, uint64_t *b) |
| 196 | { |
| 197 | struct rand_off *r; |
| 198 | int i, ret = 1; |
| 199 | |
Jens Axboe | bcd5abf | 2013-01-23 09:27:25 -0700 | [diff] [blame] | 200 | if (!should_sort_io(td)) |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame] | 201 | return get_off_from_method(td, f, ddir, b); |
| 202 | |
| 203 | if (!flist_empty(&td->next_rand_list)) { |
| 204 | struct rand_off *r; |
| 205 | fetch: |
| 206 | r = flist_entry(td->next_rand_list.next, struct rand_off, list); |
| 207 | flist_del(&r->list); |
| 208 | *b = r->off; |
| 209 | free(r); |
| 210 | return 0; |
| 211 | } |
| 212 | |
| 213 | for (i = 0; i < td->o.verifysort_nr; i++) { |
| 214 | r = malloc(sizeof(*r)); |
| 215 | |
| 216 | ret = get_off_from_method(td, f, ddir, &r->off); |
| 217 | if (ret) { |
| 218 | free(r); |
| 219 | break; |
| 220 | } |
| 221 | |
| 222 | flist_add(&r->list, &td->next_rand_list); |
| 223 | } |
| 224 | |
| 225 | if (ret && !i) |
| 226 | return ret; |
| 227 | |
| 228 | assert(!flist_empty(&td->next_rand_list)); |
| 229 | flist_sort(NULL, &td->next_rand_list, flist_cmp); |
| 230 | goto fetch; |
| 231 | } |
| 232 | |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 233 | 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] | 234 | enum fio_ddir ddir, uint64_t *b) |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 235 | { |
Daniel Ehrenberg | c04e466 | 2012-03-16 18:54:15 +0100 | [diff] [blame] | 236 | if (!get_next_rand_offset(td, f, ddir, b)) |
| 237 | return 0; |
| 238 | |
| 239 | if (td->o.time_based) { |
Jens Axboe | 33c4881 | 2013-01-21 09:46:06 -0700 | [diff] [blame] | 240 | fio_file_reset(td, f); |
Daniel Ehrenberg | c04e466 | 2012-03-16 18:54:15 +0100 | [diff] [blame] | 241 | if (!get_next_rand_offset(td, f, ddir, b)) |
| 242 | return 0; |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 243 | } |
| 244 | |
Daniel Ehrenberg | c04e466 | 2012-03-16 18:54:15 +0100 | [diff] [blame] | 245 | dprint(FD_IO, "%s: rand offset failed, last=%llu, size=%llu\n", |
Jens Axboe | 4b91ee8 | 2013-02-25 10:18:33 +0100 | [diff] [blame] | 246 | f->file_name, (unsigned long long) f->last_pos, |
| 247 | (unsigned long long) f->real_file_size); |
Daniel Ehrenberg | c04e466 | 2012-03-16 18:54:15 +0100 | [diff] [blame] | 248 | return 1; |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 249 | } |
| 250 | |
Jens Axboe | 37cf9e3 | 2012-03-17 12:54:30 +0100 | [diff] [blame] | 251 | 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] | 252 | enum fio_ddir ddir, uint64_t *offset) |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 253 | { |
Jens Axboe | ff58fce | 2010-08-25 12:02:08 +0200 | [diff] [blame] | 254 | assert(ddir_rw(ddir)); |
| 255 | |
Dan Ehrenberg | ce95d65 | 2012-08-16 08:58:21 +0200 | [diff] [blame] | 256 | if (f->last_pos >= f->io_size + get_start_offset(td) && td->o.time_based) |
Daniel Ehrenberg | c04e466 | 2012-03-16 18:54:15 +0100 | [diff] [blame] | 257 | f->last_pos = f->last_pos - f->io_size; |
| 258 | |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 259 | if (f->last_pos < f->real_file_size) { |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame] | 260 | uint64_t pos; |
Jens Axboe | 059b080 | 2011-08-25 09:09:37 +0200 | [diff] [blame] | 261 | |
Jens Axboe | a66da7a | 2011-08-31 13:14:12 -0600 | [diff] [blame] | 262 | if (f->last_pos == f->file_offset && td->o.ddir_seq_add < 0) |
| 263 | f->last_pos = f->real_file_size; |
| 264 | |
| 265 | pos = f->last_pos - f->file_offset; |
Jens Axboe | 059b080 | 2011-08-25 09:09:37 +0200 | [diff] [blame] | 266 | if (pos) |
| 267 | pos += td->o.ddir_seq_add; |
| 268 | |
Jens Axboe | 37cf9e3 | 2012-03-17 12:54:30 +0100 | [diff] [blame] | 269 | *offset = pos; |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 270 | return 0; |
| 271 | } |
| 272 | |
| 273 | return 1; |
| 274 | } |
| 275 | |
| 276 | static int get_next_block(struct thread_data *td, struct io_u *io_u, |
Jens Axboe | 37cf9e3 | 2012-03-17 12:54:30 +0100 | [diff] [blame] | 277 | enum fio_ddir ddir, int rw_seq) |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 278 | { |
| 279 | struct fio_file *f = io_u->file; |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame] | 280 | uint64_t b, offset; |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 281 | int ret; |
| 282 | |
Jens Axboe | ff58fce | 2010-08-25 12:02:08 +0200 | [diff] [blame] | 283 | assert(ddir_rw(ddir)); |
| 284 | |
Jens Axboe | 37cf9e3 | 2012-03-17 12:54:30 +0100 | [diff] [blame] | 285 | b = offset = -1ULL; |
| 286 | |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 287 | if (rw_seq) { |
| 288 | if (td_random(td)) |
Jens Axboe | 37cf9e3 | 2012-03-17 12:54:30 +0100 | [diff] [blame] | 289 | ret = get_next_rand_block(td, f, ddir, &b); |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 290 | else |
Jens Axboe | 37cf9e3 | 2012-03-17 12:54:30 +0100 | [diff] [blame] | 291 | ret = get_next_seq_offset(td, f, ddir, &offset); |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 292 | } else { |
| 293 | io_u->flags |= IO_U_F_BUSY_OK; |
| 294 | |
| 295 | if (td->o.rw_seq == RW_SEQ_SEQ) { |
Jens Axboe | 37cf9e3 | 2012-03-17 12:54:30 +0100 | [diff] [blame] | 296 | ret = get_next_seq_offset(td, f, ddir, &offset); |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 297 | if (ret) |
Jens Axboe | 37cf9e3 | 2012-03-17 12:54:30 +0100 | [diff] [blame] | 298 | ret = get_next_rand_block(td, f, ddir, &b); |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 299 | } else if (td->o.rw_seq == RW_SEQ_IDENT) { |
| 300 | if (f->last_start != -1ULL) |
Jens Axboe | 37cf9e3 | 2012-03-17 12:54:30 +0100 | [diff] [blame] | 301 | offset = f->last_start - f->file_offset; |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 302 | else |
Jens Axboe | 37cf9e3 | 2012-03-17 12:54:30 +0100 | [diff] [blame] | 303 | offset = 0; |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 304 | ret = 0; |
| 305 | } else { |
| 306 | log_err("fio: unknown rw_seq=%d\n", td->o.rw_seq); |
| 307 | ret = 1; |
| 308 | } |
| 309 | } |
Bruce Cran | 6d68b99 | 2013-01-13 17:21:58 +0000 | [diff] [blame] | 310 | |
Jens Axboe | 37cf9e3 | 2012-03-17 12:54:30 +0100 | [diff] [blame] | 311 | if (!ret) { |
| 312 | if (offset != -1ULL) |
| 313 | io_u->offset = offset; |
| 314 | else if (b != -1ULL) |
| 315 | io_u->offset = b * td->o.ba[ddir]; |
| 316 | else { |
Jens Axboe | 4e0a8fa | 2013-04-15 11:40:57 +0200 | [diff] [blame] | 317 | 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] | 318 | ret = 1; |
| 319 | } |
| 320 | } |
| 321 | |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 322 | return ret; |
| 323 | } |
| 324 | |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 325 | /* |
| 326 | * For random io, generate a random new block and see if it's used. Repeat |
| 327 | * until we find a free one. For sequential io, just return the end of |
| 328 | * the last io issued. |
| 329 | */ |
Jens Axboe | 15dc193 | 2010-03-05 10:59:06 +0100 | [diff] [blame] | 330 | static int __get_next_offset(struct thread_data *td, struct io_u *io_u) |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 331 | { |
Jens Axboe | 9bf2061 | 2007-03-01 09:33:57 +0100 | [diff] [blame] | 332 | struct fio_file *f = io_u->file; |
Jens Axboe | 4ba6613 | 2008-02-05 10:05:50 +0100 | [diff] [blame] | 333 | enum fio_ddir ddir = io_u->ddir; |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 334 | int rw_seq_hit = 0; |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 335 | |
Jens Axboe | ff58fce | 2010-08-25 12:02:08 +0200 | [diff] [blame] | 336 | assert(ddir_rw(ddir)); |
| 337 | |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 338 | if (td->o.ddir_seq_nr && !--td->ddir_seq_nr) { |
| 339 | rw_seq_hit = 1; |
Jens Axboe | 5736c10 | 2010-07-20 12:03:25 -0600 | [diff] [blame] | 340 | td->ddir_seq_nr = td->o.ddir_seq_nr; |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 341 | } |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 342 | |
Jens Axboe | 37cf9e3 | 2012-03-17 12:54:30 +0100 | [diff] [blame] | 343 | if (get_next_block(td, io_u, ddir, rw_seq_hit)) |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 344 | return 1; |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 345 | |
Jens Axboe | 009bd84 | 2008-05-15 10:19:46 +0200 | [diff] [blame] | 346 | if (io_u->offset >= f->io_size) { |
| 347 | dprint(FD_IO, "get_next_offset: offset %llu >= io_size %llu\n", |
Jens Axboe | 4b91ee8 | 2013-02-25 10:18:33 +0100 | [diff] [blame] | 348 | (unsigned long long) io_u->offset, |
| 349 | (unsigned long long) f->io_size); |
Jens Axboe | 009bd84 | 2008-05-15 10:19:46 +0200 | [diff] [blame] | 350 | return 1; |
| 351 | } |
| 352 | |
| 353 | io_u->offset += f->file_offset; |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 354 | if (io_u->offset >= f->real_file_size) { |
| 355 | dprint(FD_IO, "get_next_offset: offset %llu >= size %llu\n", |
Jens Axboe | 4b91ee8 | 2013-02-25 10:18:33 +0100 | [diff] [blame] | 356 | (unsigned long long) io_u->offset, |
| 357 | (unsigned long long) f->real_file_size); |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 358 | return 1; |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 359 | } |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 360 | |
| 361 | return 0; |
| 362 | } |
| 363 | |
Jens Axboe | 15dc193 | 2010-03-05 10:59:06 +0100 | [diff] [blame] | 364 | static int get_next_offset(struct thread_data *td, struct io_u *io_u) |
| 365 | { |
Jens Axboe | d72be54 | 2012-11-30 19:37:46 +0100 | [diff] [blame] | 366 | if (td->flags & TD_F_PROFILE_OPS) { |
| 367 | struct prof_io_ops *ops = &td->prof_io_ops; |
Jens Axboe | 7eb3657 | 2010-03-08 13:58:49 +0100 | [diff] [blame] | 368 | |
Jens Axboe | d72be54 | 2012-11-30 19:37:46 +0100 | [diff] [blame] | 369 | if (ops->fill_io_u_off) |
| 370 | return ops->fill_io_u_off(td, io_u); |
| 371 | } |
Jens Axboe | 15dc193 | 2010-03-05 10:59:06 +0100 | [diff] [blame] | 372 | |
| 373 | return __get_next_offset(td, io_u); |
| 374 | } |
| 375 | |
Jens Axboe | 7994412 | 2011-05-24 11:26:16 +0200 | [diff] [blame] | 376 | static inline int io_u_fits(struct thread_data *td, struct io_u *io_u, |
| 377 | unsigned int buflen) |
| 378 | { |
| 379 | struct fio_file *f = io_u->file; |
| 380 | |
Dan Ehrenberg | ce95d65 | 2012-08-16 08:58:21 +0200 | [diff] [blame] | 381 | return io_u->offset + buflen <= f->io_size + get_start_offset(td); |
Jens Axboe | 7994412 | 2011-05-24 11:26:16 +0200 | [diff] [blame] | 382 | } |
| 383 | |
Jens Axboe | 15dc193 | 2010-03-05 10:59:06 +0100 | [diff] [blame] | 384 | static unsigned int __get_next_buflen(struct thread_data *td, struct io_u *io_u) |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 385 | { |
Jens Axboe | bca4ed4 | 2007-02-12 05:13:23 +0100 | [diff] [blame] | 386 | const int ddir = io_u->ddir; |
Jens Axboe | 24d23ca | 2012-11-13 08:31:24 -0700 | [diff] [blame] | 387 | unsigned int buflen = 0; |
Jens Axboe | f3059de | 2008-06-11 15:37:32 +0200 | [diff] [blame] | 388 | unsigned int minbs, maxbs; |
Jens Axboe | 1294c3e | 2011-05-11 08:15:18 +0200 | [diff] [blame] | 389 | unsigned long r, rand_max; |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 390 | |
Jens Axboe | ff58fce | 2010-08-25 12:02:08 +0200 | [diff] [blame] | 391 | assert(ddir_rw(ddir)); |
| 392 | |
Jens Axboe | f3059de | 2008-06-11 15:37:32 +0200 | [diff] [blame] | 393 | minbs = td->o.min_bs[ddir]; |
| 394 | maxbs = td->o.max_bs[ddir]; |
| 395 | |
Jens Axboe | 7994412 | 2011-05-24 11:26:16 +0200 | [diff] [blame] | 396 | if (minbs == maxbs) |
| 397 | return minbs; |
| 398 | |
Jens Axboe | 52c5802 | 2012-02-06 21:58:56 +0100 | [diff] [blame] | 399 | /* |
| 400 | * If we can't satisfy the min block size from here, then fail |
| 401 | */ |
| 402 | if (!io_u_fits(td, io_u, minbs)) |
| 403 | return 0; |
| 404 | |
Jens Axboe | 4c07ad8 | 2011-03-28 09:51:09 +0200 | [diff] [blame] | 405 | if (td->o.use_os_rand) |
| 406 | rand_max = OS_RAND_MAX; |
| 407 | else |
| 408 | rand_max = FRAND_MAX; |
| 409 | |
Jens Axboe | 7994412 | 2011-05-24 11:26:16 +0200 | [diff] [blame] | 410 | do { |
Jens Axboe | 4c07ad8 | 2011-03-28 09:51:09 +0200 | [diff] [blame] | 411 | if (td->o.use_os_rand) |
| 412 | r = os_random_long(&td->bsrange_state); |
| 413 | else |
| 414 | r = __rand(&td->__bsrange_state); |
| 415 | |
Jens Axboe | 720e84a | 2009-04-21 08:29:55 +0200 | [diff] [blame] | 416 | if (!td->o.bssplit_nr[ddir]) { |
Jens Axboe | f3059de | 2008-06-11 15:37:32 +0200 | [diff] [blame] | 417 | buflen = 1 + (unsigned int) ((double) maxbs * |
Jens Axboe | 4c07ad8 | 2011-03-28 09:51:09 +0200 | [diff] [blame] | 418 | (r / (rand_max + 1.0))); |
Jens Axboe | f3059de | 2008-06-11 15:37:32 +0200 | [diff] [blame] | 419 | if (buflen < minbs) |
| 420 | buflen = minbs; |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 421 | } else { |
Jens Axboe | 564ca97 | 2007-12-14 12:21:19 +0100 | [diff] [blame] | 422 | long perc = 0; |
| 423 | unsigned int i; |
| 424 | |
Jens Axboe | 720e84a | 2009-04-21 08:29:55 +0200 | [diff] [blame] | 425 | for (i = 0; i < td->o.bssplit_nr[ddir]; i++) { |
| 426 | struct bssplit *bsp = &td->o.bssplit[ddir][i]; |
Jens Axboe | 564ca97 | 2007-12-14 12:21:19 +0100 | [diff] [blame] | 427 | |
| 428 | buflen = bsp->bs; |
| 429 | perc += bsp->perc; |
Jens Axboe | 7994412 | 2011-05-24 11:26:16 +0200 | [diff] [blame] | 430 | if ((r <= ((rand_max / 100L) * perc)) && |
| 431 | io_u_fits(td, io_u, buflen)) |
Jens Axboe | 564ca97 | 2007-12-14 12:21:19 +0100 | [diff] [blame] | 432 | break; |
| 433 | } |
| 434 | } |
Jens Axboe | 7994412 | 2011-05-24 11:26:16 +0200 | [diff] [blame] | 435 | |
Jens Axboe | f3059de | 2008-06-11 15:37:32 +0200 | [diff] [blame] | 436 | if (!td->o.bs_unaligned && is_power_of_2(minbs)) |
| 437 | buflen = (buflen + minbs - 1) & ~(minbs - 1); |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 438 | |
Jens Axboe | 7994412 | 2011-05-24 11:26:16 +0200 | [diff] [blame] | 439 | } while (!io_u_fits(td, io_u, buflen)); |
Jens Axboe | 6a5e688 | 2007-07-26 10:47:51 +0200 | [diff] [blame] | 440 | |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 441 | return buflen; |
| 442 | } |
| 443 | |
Jens Axboe | 15dc193 | 2010-03-05 10:59:06 +0100 | [diff] [blame] | 444 | static unsigned int get_next_buflen(struct thread_data *td, struct io_u *io_u) |
| 445 | { |
Jens Axboe | d72be54 | 2012-11-30 19:37:46 +0100 | [diff] [blame] | 446 | if (td->flags & TD_F_PROFILE_OPS) { |
| 447 | struct prof_io_ops *ops = &td->prof_io_ops; |
Jens Axboe | 7eb3657 | 2010-03-08 13:58:49 +0100 | [diff] [blame] | 448 | |
Jens Axboe | d72be54 | 2012-11-30 19:37:46 +0100 | [diff] [blame] | 449 | if (ops->fill_io_u_size) |
| 450 | return ops->fill_io_u_size(td, io_u); |
| 451 | } |
Jens Axboe | 15dc193 | 2010-03-05 10:59:06 +0100 | [diff] [blame] | 452 | |
| 453 | return __get_next_buflen(td, io_u); |
| 454 | } |
| 455 | |
Jens Axboe | afe24a5 | 2007-03-16 20:27:27 +0100 | [diff] [blame] | 456 | static void set_rwmix_bytes(struct thread_data *td) |
| 457 | { |
Jens Axboe | afe24a5 | 2007-03-16 20:27:27 +0100 | [diff] [blame] | 458 | unsigned int diff; |
| 459 | |
| 460 | /* |
| 461 | * we do time or byte based switch. this is needed because |
| 462 | * buffered writes may issue a lot quicker than they complete, |
| 463 | * whereas reads do not. |
| 464 | */ |
Jens Axboe | e47f799 | 2007-03-21 14:05:39 +0100 | [diff] [blame] | 465 | diff = td->o.rwmix[td->rwmix_ddir ^ 1]; |
Jens Axboe | 04c540d | 2008-05-28 10:35:26 +0200 | [diff] [blame] | 466 | td->rwmix_issues = (td->io_issues[td->rwmix_ddir] * diff) / 100; |
Jens Axboe | e47f799 | 2007-03-21 14:05:39 +0100 | [diff] [blame] | 467 | } |
| 468 | |
| 469 | static inline enum fio_ddir get_rand_ddir(struct thread_data *td) |
| 470 | { |
| 471 | unsigned int v; |
Jens Axboe | 1294c3e | 2011-05-11 08:15:18 +0200 | [diff] [blame] | 472 | unsigned long r; |
Jens Axboe | e47f799 | 2007-03-21 14:05:39 +0100 | [diff] [blame] | 473 | |
Jens Axboe | 4c07ad8 | 2011-03-28 09:51:09 +0200 | [diff] [blame] | 474 | if (td->o.use_os_rand) { |
| 475 | r = os_random_long(&td->rwmix_state); |
| 476 | v = 1 + (int) (100.0 * (r / (OS_RAND_MAX + 1.0))); |
| 477 | } else { |
| 478 | r = __rand(&td->__rwmix_state); |
| 479 | v = 1 + (int) (100.0 * (r / (FRAND_MAX + 1.0))); |
| 480 | } |
| 481 | |
Jens Axboe | 04c540d | 2008-05-28 10:35:26 +0200 | [diff] [blame] | 482 | if (v <= td->o.rwmix[DDIR_READ]) |
Jens Axboe | e47f799 | 2007-03-21 14:05:39 +0100 | [diff] [blame] | 483 | return DDIR_READ; |
| 484 | |
| 485 | return DDIR_WRITE; |
Jens Axboe | afe24a5 | 2007-03-16 20:27:27 +0100 | [diff] [blame] | 486 | } |
| 487 | |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 488 | static enum fio_ddir rate_ddir(struct thread_data *td, enum fio_ddir ddir) |
| 489 | { |
| 490 | enum fio_ddir odir = ddir ^ 1; |
| 491 | struct timeval t; |
| 492 | long usec; |
| 493 | |
Jens Axboe | ff58fce | 2010-08-25 12:02:08 +0200 | [diff] [blame] | 494 | assert(ddir_rw(ddir)); |
| 495 | |
Jens Axboe | 315fcfe | 2013-02-08 19:05:25 +0100 | [diff] [blame] | 496 | if (td->rate_pending_usleep[ddir] <= 0) |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 497 | return ddir; |
| 498 | |
| 499 | /* |
| 500 | * We have too much pending sleep in this direction. See if we |
| 501 | * should switch. |
| 502 | */ |
Jens Axboe | 315fcfe | 2013-02-08 19:05:25 +0100 | [diff] [blame] | 503 | if (td_rw(td) && td->o.rwmix[odir]) { |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 504 | /* |
| 505 | * Other direction does not have too much pending, switch |
| 506 | */ |
| 507 | if (td->rate_pending_usleep[odir] < 100000) |
| 508 | return odir; |
| 509 | |
| 510 | /* |
| 511 | * Both directions have pending sleep. Sleep the minimum time |
| 512 | * and deduct from both. |
| 513 | */ |
| 514 | if (td->rate_pending_usleep[ddir] <= |
| 515 | td->rate_pending_usleep[odir]) { |
| 516 | usec = td->rate_pending_usleep[ddir]; |
| 517 | } else { |
| 518 | usec = td->rate_pending_usleep[odir]; |
| 519 | ddir = odir; |
| 520 | } |
| 521 | } else |
| 522 | usec = td->rate_pending_usleep[ddir]; |
| 523 | |
Jens Axboe | 78c1eda | 2011-08-30 15:34:14 -0600 | [diff] [blame] | 524 | /* |
| 525 | * We are going to sleep, ensure that we flush anything pending as |
Ryan Marchand | 422f9e4 | 2012-01-31 14:05:32 +0100 | [diff] [blame] | 526 | * not to skew our latency numbers. |
| 527 | * |
| 528 | * Changed to only monitor 'in flight' requests here instead of the |
| 529 | * td->cur_depth, b/c td->cur_depth does not accurately represent |
| 530 | * io's that have been actually submitted to an async engine, |
| 531 | * and cur_depth is meaningless for sync engines. |
Jens Axboe | 78c1eda | 2011-08-30 15:34:14 -0600 | [diff] [blame] | 532 | */ |
SEOKYOUNG KO | c3a1b74 | 2013-03-07 12:34:31 +0100 | [diff] [blame] | 533 | while (td->io_u_in_flight) { |
Jens Axboe | 78c1eda | 2011-08-30 15:34:14 -0600 | [diff] [blame] | 534 | int fio_unused ret; |
| 535 | |
SEOKYOUNG KO | c3a1b74 | 2013-03-07 12:34:31 +0100 | [diff] [blame] | 536 | ret = io_u_queued_complete(td, 1, NULL); |
Jens Axboe | 78c1eda | 2011-08-30 15:34:14 -0600 | [diff] [blame] | 537 | } |
| 538 | |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 539 | fio_gettime(&t, NULL); |
| 540 | usec_sleep(td, usec); |
| 541 | usec = utime_since_now(&t); |
| 542 | |
| 543 | td->rate_pending_usleep[ddir] -= usec; |
| 544 | |
| 545 | odir = ddir ^ 1; |
| 546 | if (td_rw(td) && __should_check_rate(td, odir)) |
| 547 | td->rate_pending_usleep[odir] -= usec; |
Jens Axboe | 0b9d69e | 2009-09-11 22:29:54 +0200 | [diff] [blame] | 548 | |
Shaohua Li | 6eaf09d | 2012-09-14 08:49:43 +0200 | [diff] [blame] | 549 | if (ddir_trim(ddir)) |
| 550 | return ddir; |
Jens Axboe | e0224c6 | 2013-02-07 19:55:24 +0100 | [diff] [blame] | 551 | |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 552 | return ddir; |
| 553 | } |
| 554 | |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 555 | /* |
| 556 | * Return the data direction for the next io_u. If the job is a |
| 557 | * mixed read/write workload, check the rwmix cycle and switch if |
| 558 | * necessary. |
| 559 | */ |
Jens Axboe | 1e97cce | 2006-12-05 11:44:16 +0100 | [diff] [blame] | 560 | static enum fio_ddir get_rw_ddir(struct thread_data *td) |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 561 | { |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 562 | enum fio_ddir ddir; |
| 563 | |
Jens Axboe | 5f9099e | 2009-06-16 22:40:26 +0200 | [diff] [blame] | 564 | /* |
| 565 | * see if it's time to fsync |
| 566 | */ |
| 567 | if (td->o.fsync_blocks && |
| 568 | !(td->io_issues[DDIR_WRITE] % td->o.fsync_blocks) && |
| 569 | td->io_issues[DDIR_WRITE] && should_fsync(td)) |
| 570 | return DDIR_SYNC; |
| 571 | |
| 572 | /* |
| 573 | * see if it's time to fdatasync |
| 574 | */ |
| 575 | if (td->o.fdatasync_blocks && |
| 576 | !(td->io_issues[DDIR_WRITE] % td->o.fdatasync_blocks) && |
| 577 | td->io_issues[DDIR_WRITE] && should_fsync(td)) |
| 578 | return DDIR_DATASYNC; |
| 579 | |
Jens Axboe | 44f2969 | 2010-03-09 20:09:44 +0100 | [diff] [blame] | 580 | /* |
| 581 | * see if it's time to sync_file_range |
| 582 | */ |
| 583 | if (td->sync_file_range_nr && |
| 584 | !(td->io_issues[DDIR_WRITE] % td->sync_file_range_nr) && |
| 585 | td->io_issues[DDIR_WRITE] && should_fsync(td)) |
| 586 | return DDIR_SYNC_FILE_RANGE; |
| 587 | |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 588 | if (td_rw(td)) { |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 589 | /* |
| 590 | * Check if it's time to seed a new data direction. |
| 591 | */ |
Jens Axboe | e492866 | 2008-04-07 09:19:46 +0200 | [diff] [blame] | 592 | if (td->io_issues[td->rwmix_ddir] >= td->rwmix_issues) { |
Jens Axboe | e47f799 | 2007-03-21 14:05:39 +0100 | [diff] [blame] | 593 | /* |
| 594 | * Put a top limit on how many bytes we do for |
| 595 | * one data direction, to avoid overflowing the |
| 596 | * ranges too much |
| 597 | */ |
| 598 | ddir = get_rand_ddir(td); |
Jens Axboe | e47f799 | 2007-03-21 14:05:39 +0100 | [diff] [blame] | 599 | |
| 600 | if (ddir != td->rwmix_ddir) |
| 601 | set_rwmix_bytes(td); |
| 602 | |
| 603 | td->rwmix_ddir = ddir; |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 604 | } |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 605 | ddir = td->rwmix_ddir; |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 606 | } else if (td_read(td)) |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 607 | ddir = DDIR_READ; |
Shaohua Li | 6eaf09d | 2012-09-14 08:49:43 +0200 | [diff] [blame] | 608 | else if (td_write(td)) |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 609 | ddir = DDIR_WRITE; |
Shaohua Li | 6eaf09d | 2012-09-14 08:49:43 +0200 | [diff] [blame] | 610 | else |
| 611 | ddir = DDIR_TRIM; |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 612 | |
| 613 | td->rwmix_ddir = rate_ddir(td, ddir); |
| 614 | return td->rwmix_ddir; |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 615 | } |
| 616 | |
Jens Axboe | 1ef2b6b | 2010-10-08 15:07:01 +0200 | [diff] [blame] | 617 | static void set_rw_ddir(struct thread_data *td, struct io_u *io_u) |
| 618 | { |
Jens Axboe | bcd5abf | 2013-01-23 09:27:25 -0700 | [diff] [blame] | 619 | io_u->ddir = io_u->acct_ddir = get_rw_ddir(td); |
Jens Axboe | 1ef2b6b | 2010-10-08 15:07:01 +0200 | [diff] [blame] | 620 | |
| 621 | if (io_u->ddir == DDIR_WRITE && (td->io_ops->flags & FIO_BARRIER) && |
| 622 | td->o.barrier_blocks && |
| 623 | !(td->io_issues[DDIR_WRITE] % td->o.barrier_blocks) && |
| 624 | td->io_issues[DDIR_WRITE]) |
| 625 | io_u->flags |= IO_U_F_BARRIER; |
| 626 | } |
| 627 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 628 | void put_file_log(struct thread_data *td, struct fio_file *f) |
Jens Axboe | 60f2c65 | 2008-05-16 12:31:36 +0200 | [diff] [blame] | 629 | { |
| 630 | int ret = put_file(td, f); |
| 631 | |
| 632 | if (ret) |
| 633 | td_verror(td, ret, "file close"); |
| 634 | } |
| 635 | |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 636 | void put_io_u(struct thread_data *td, struct io_u *io_u) |
| 637 | { |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 638 | td_io_u_lock(td); |
| 639 | |
Steven Lang | d7ee2a7 | 2011-10-26 09:46:50 +0200 | [diff] [blame] | 640 | if (io_u->file && !(io_u->flags & IO_U_F_FREE_DEF)) |
Jens Axboe | 60f2c65 | 2008-05-16 12:31:36 +0200 | [diff] [blame] | 641 | put_file_log(td, io_u->file); |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 642 | io_u->file = NULL; |
Steven Lang | d7ee2a7 | 2011-10-26 09:46:50 +0200 | [diff] [blame] | 643 | io_u->flags &= ~IO_U_F_FREE_DEF; |
| 644 | io_u->flags |= IO_U_F_FREE; |
| 645 | |
Radha Ramachandran | 0c41214 | 2009-11-03 21:45:31 +0100 | [diff] [blame] | 646 | if (io_u->flags & IO_U_F_IN_CUR_DEPTH) |
| 647 | td->cur_depth--; |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 648 | flist_del_init(&io_u->list); |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 649 | flist_add(&io_u->list, &td->io_u_freelist); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 650 | td_io_u_unlock(td); |
| 651 | td_io_u_free_notify(td); |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 652 | } |
| 653 | |
Radha Ramachandran | f2bba18 | 2009-06-15 08:40:16 +0200 | [diff] [blame] | 654 | void clear_io_u(struct thread_data *td, struct io_u *io_u) |
| 655 | { |
| 656 | io_u->flags &= ~IO_U_F_FLIGHT; |
| 657 | put_io_u(td, io_u); |
| 658 | } |
| 659 | |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 660 | void requeue_io_u(struct thread_data *td, struct io_u **io_u) |
| 661 | { |
| 662 | struct io_u *__io_u = *io_u; |
Jens Axboe | bcd5abf | 2013-01-23 09:27:25 -0700 | [diff] [blame] | 663 | enum fio_ddir ddir = acct_ddir(__io_u); |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 664 | |
Jens Axboe | 465221b | 2008-05-30 22:07:49 +0200 | [diff] [blame] | 665 | dprint(FD_IO, "requeue %p\n", __io_u); |
| 666 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 667 | td_io_u_lock(td); |
| 668 | |
Jens Axboe | 4d2e0f4 | 2007-02-24 13:31:57 +0100 | [diff] [blame] | 669 | __io_u->flags |= IO_U_F_FREE; |
Jens Axboe | bcd5abf | 2013-01-23 09:27:25 -0700 | [diff] [blame] | 670 | if ((__io_u->flags & IO_U_F_FLIGHT) && ddir_rw(ddir)) |
| 671 | td->io_issues[ddir]--; |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 672 | |
Jens Axboe | 4d2e0f4 | 2007-02-24 13:31:57 +0100 | [diff] [blame] | 673 | __io_u->flags &= ~IO_U_F_FLIGHT; |
Radha Ramachandran | 0c41214 | 2009-11-03 21:45:31 +0100 | [diff] [blame] | 674 | if (__io_u->flags & IO_U_F_IN_CUR_DEPTH) |
| 675 | td->cur_depth--; |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 676 | flist_del(&__io_u->list); |
| 677 | flist_add_tail(&__io_u->list, &td->io_u_requeues); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 678 | td_io_u_unlock(td); |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 679 | *io_u = NULL; |
| 680 | } |
| 681 | |
Jens Axboe | 9bf2061 | 2007-03-01 09:33:57 +0100 | [diff] [blame] | 682 | 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] | 683 | { |
Jens Axboe | b4c5e1a | 2007-10-25 18:44:45 +0200 | [diff] [blame] | 684 | if (td->io_ops->flags & FIO_NOIO) |
| 685 | goto out; |
| 686 | |
Jens Axboe | 1ef2b6b | 2010-10-08 15:07:01 +0200 | [diff] [blame] | 687 | set_rw_ddir(td, io_u); |
Jens Axboe | a00735e | 2006-11-03 08:58:08 +0100 | [diff] [blame] | 688 | |
Jens Axboe | 87dc1ab | 2006-10-24 14:41:26 +0200 | [diff] [blame] | 689 | /* |
Jens Axboe | ff58fce | 2010-08-25 12:02:08 +0200 | [diff] [blame] | 690 | * fsync() or fdatasync() or trim etc, we are done |
Jens Axboe | 5f9099e | 2009-06-16 22:40:26 +0200 | [diff] [blame] | 691 | */ |
Jens Axboe | ff58fce | 2010-08-25 12:02:08 +0200 | [diff] [blame] | 692 | if (!ddir_rw(io_u->ddir)) |
Jens Axboe | 5f9099e | 2009-06-16 22:40:26 +0200 | [diff] [blame] | 693 | goto out; |
| 694 | |
| 695 | /* |
Jens Axboe | 48f5abd | 2007-07-20 13:25:04 +0200 | [diff] [blame] | 696 | * See if it's time to switch to a new zone |
| 697 | */ |
Jens Axboe | 13af05a | 2012-02-11 09:04:02 +0100 | [diff] [blame] | 698 | if (td->zone_bytes >= td->o.zone_size && td->o.zone_skip) { |
Jens Axboe | 48f5abd | 2007-07-20 13:25:04 +0200 | [diff] [blame] | 699 | td->zone_bytes = 0; |
Steven Noonan | ed33585 | 2012-01-31 13:58:00 +0100 | [diff] [blame] | 700 | io_u->file->file_offset += td->o.zone_range + td->o.zone_skip; |
| 701 | io_u->file->last_pos = io_u->file->file_offset; |
Jens Axboe | 48f5abd | 2007-07-20 13:25:04 +0200 | [diff] [blame] | 702 | td->io_skip_bytes += td->o.zone_skip; |
| 703 | } |
| 704 | |
| 705 | /* |
Jens Axboe | c685b5b | 2007-02-10 20:02:28 +0100 | [diff] [blame] | 706 | * No log, let the seq/rand engine retrieve the next buflen and |
| 707 | * position. |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 708 | */ |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 709 | if (get_next_offset(td, io_u)) { |
| 710 | dprint(FD_IO, "io_u %p, failed getting offset\n", io_u); |
Jens Axboe | bca4ed4 | 2007-02-12 05:13:23 +0100 | [diff] [blame] | 711 | return 1; |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 712 | } |
Jens Axboe | c685b5b | 2007-02-10 20:02:28 +0100 | [diff] [blame] | 713 | |
Jens Axboe | 9bf2061 | 2007-03-01 09:33:57 +0100 | [diff] [blame] | 714 | io_u->buflen = get_next_buflen(td, io_u); |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 715 | if (!io_u->buflen) { |
| 716 | dprint(FD_IO, "io_u %p, failed getting buflen\n", io_u); |
Jens Axboe | bca4ed4 | 2007-02-12 05:13:23 +0100 | [diff] [blame] | 717 | return 1; |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 718 | } |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 719 | |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 720 | if (io_u->offset + io_u->buflen > io_u->file->real_file_size) { |
| 721 | dprint(FD_IO, "io_u %p, offset too large\n", io_u); |
Jens Axboe | 4b91ee8 | 2013-02-25 10:18:33 +0100 | [diff] [blame] | 722 | dprint(FD_IO, " off=%llu/%lu > %llu\n", |
| 723 | (unsigned long long) io_u->offset, io_u->buflen, |
| 724 | (unsigned long long) io_u->file->real_file_size); |
Jens Axboe | 6a5e688 | 2007-07-26 10:47:51 +0200 | [diff] [blame] | 725 | return 1; |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 726 | } |
Jens Axboe | 6a5e688 | 2007-07-26 10:47:51 +0200 | [diff] [blame] | 727 | |
Jens Axboe | bca4ed4 | 2007-02-12 05:13:23 +0100 | [diff] [blame] | 728 | /* |
| 729 | * mark entry before potentially trimming io_u |
| 730 | */ |
Jens Axboe | 303032a | 2008-03-26 10:11:10 +0100 | [diff] [blame] | 731 | if (td_random(td) && file_randommap(td, io_u->file)) |
Jens Axboe | 9bf2061 | 2007-03-01 09:33:57 +0100 | [diff] [blame] | 732 | mark_random_map(td, io_u); |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 733 | |
Jens Axboe | c38e946 | 2007-03-27 08:48:48 +0200 | [diff] [blame] | 734 | out: |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 735 | dprint_io_u(io_u, "fill_io_u"); |
Jens Axboe | d9d91e3 | 2008-01-31 13:25:42 +0100 | [diff] [blame] | 736 | td->zone_bytes += io_u->buflen; |
Jens Axboe | bca4ed4 | 2007-02-12 05:13:23 +0100 | [diff] [blame] | 737 | return 0; |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 738 | } |
| 739 | |
Jens Axboe | 838bc70 | 2008-05-22 13:08:23 +0200 | [diff] [blame] | 740 | static void __io_u_mark_map(unsigned int *map, unsigned int nr) |
| 741 | { |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 742 | int idx = 0; |
Jens Axboe | 838bc70 | 2008-05-22 13:08:23 +0200 | [diff] [blame] | 743 | |
| 744 | switch (nr) { |
| 745 | default: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 746 | idx = 6; |
Jens Axboe | 838bc70 | 2008-05-22 13:08:23 +0200 | [diff] [blame] | 747 | break; |
| 748 | case 33 ... 64: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 749 | idx = 5; |
Jens Axboe | 838bc70 | 2008-05-22 13:08:23 +0200 | [diff] [blame] | 750 | break; |
| 751 | case 17 ... 32: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 752 | idx = 4; |
Jens Axboe | 838bc70 | 2008-05-22 13:08:23 +0200 | [diff] [blame] | 753 | break; |
| 754 | case 9 ... 16: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 755 | idx = 3; |
Jens Axboe | 838bc70 | 2008-05-22 13:08:23 +0200 | [diff] [blame] | 756 | break; |
| 757 | case 5 ... 8: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 758 | idx = 2; |
Jens Axboe | 838bc70 | 2008-05-22 13:08:23 +0200 | [diff] [blame] | 759 | break; |
| 760 | case 1 ... 4: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 761 | idx = 1; |
Jens Axboe | 838bc70 | 2008-05-22 13:08:23 +0200 | [diff] [blame] | 762 | case 0: |
| 763 | break; |
| 764 | } |
| 765 | |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 766 | map[idx]++; |
Jens Axboe | 838bc70 | 2008-05-22 13:08:23 +0200 | [diff] [blame] | 767 | } |
| 768 | |
| 769 | void io_u_mark_submit(struct thread_data *td, unsigned int nr) |
| 770 | { |
| 771 | __io_u_mark_map(td->ts.io_u_submit, nr); |
| 772 | td->ts.total_submit++; |
| 773 | } |
| 774 | |
| 775 | void io_u_mark_complete(struct thread_data *td, unsigned int nr) |
| 776 | { |
| 777 | __io_u_mark_map(td->ts.io_u_complete, nr); |
| 778 | td->ts.total_complete++; |
| 779 | } |
| 780 | |
Jens Axboe | d800575 | 2008-05-15 09:49:09 +0200 | [diff] [blame] | 781 | void io_u_mark_depth(struct thread_data *td, unsigned int nr) |
Jens Axboe | 71619dc | 2007-01-13 23:56:33 +0100 | [diff] [blame] | 782 | { |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 783 | int idx = 0; |
Jens Axboe | 71619dc | 2007-01-13 23:56:33 +0100 | [diff] [blame] | 784 | |
| 785 | switch (td->cur_depth) { |
| 786 | default: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 787 | idx = 6; |
Jens Axboe | a783e61 | 2007-06-19 09:50:28 +0200 | [diff] [blame] | 788 | break; |
Jens Axboe | 71619dc | 2007-01-13 23:56:33 +0100 | [diff] [blame] | 789 | case 32 ... 63: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 790 | idx = 5; |
Jens Axboe | a783e61 | 2007-06-19 09:50:28 +0200 | [diff] [blame] | 791 | break; |
Jens Axboe | 71619dc | 2007-01-13 23:56:33 +0100 | [diff] [blame] | 792 | case 16 ... 31: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 793 | idx = 4; |
Jens Axboe | a783e61 | 2007-06-19 09:50:28 +0200 | [diff] [blame] | 794 | break; |
Jens Axboe | 71619dc | 2007-01-13 23:56:33 +0100 | [diff] [blame] | 795 | case 8 ... 15: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 796 | idx = 3; |
Jens Axboe | a783e61 | 2007-06-19 09:50:28 +0200 | [diff] [blame] | 797 | break; |
Jens Axboe | 71619dc | 2007-01-13 23:56:33 +0100 | [diff] [blame] | 798 | case 4 ... 7: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 799 | idx = 2; |
Jens Axboe | a783e61 | 2007-06-19 09:50:28 +0200 | [diff] [blame] | 800 | break; |
Jens Axboe | 71619dc | 2007-01-13 23:56:33 +0100 | [diff] [blame] | 801 | case 2 ... 3: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 802 | idx = 1; |
Jens Axboe | 71619dc | 2007-01-13 23:56:33 +0100 | [diff] [blame] | 803 | case 1: |
| 804 | break; |
| 805 | } |
| 806 | |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 807 | td->ts.io_u_map[idx] += nr; |
Jens Axboe | 71619dc | 2007-01-13 23:56:33 +0100 | [diff] [blame] | 808 | } |
| 809 | |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 810 | static void io_u_mark_lat_usec(struct thread_data *td, unsigned long usec) |
| 811 | { |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 812 | int idx = 0; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 813 | |
| 814 | assert(usec < 1000); |
| 815 | |
| 816 | switch (usec) { |
| 817 | case 750 ... 999: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 818 | idx = 9; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 819 | break; |
| 820 | case 500 ... 749: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 821 | idx = 8; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 822 | break; |
| 823 | case 250 ... 499: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 824 | idx = 7; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 825 | break; |
| 826 | case 100 ... 249: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 827 | idx = 6; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 828 | break; |
| 829 | case 50 ... 99: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 830 | idx = 5; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 831 | break; |
| 832 | case 20 ... 49: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 833 | idx = 4; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 834 | break; |
| 835 | case 10 ... 19: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 836 | idx = 3; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 837 | break; |
| 838 | case 4 ... 9: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 839 | idx = 2; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 840 | break; |
| 841 | case 2 ... 3: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 842 | idx = 1; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 843 | case 0 ... 1: |
| 844 | break; |
| 845 | } |
| 846 | |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 847 | assert(idx < FIO_IO_U_LAT_U_NR); |
| 848 | td->ts.io_u_lat_u[idx]++; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 849 | } |
| 850 | |
| 851 | 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] | 852 | { |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 853 | int idx = 0; |
Jens Axboe | ec11830 | 2007-02-17 04:38:20 +0100 | [diff] [blame] | 854 | |
| 855 | switch (msec) { |
| 856 | default: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 857 | idx = 11; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 858 | break; |
Jens Axboe | 8abdce6 | 2007-02-21 10:22:55 +0100 | [diff] [blame] | 859 | case 1000 ... 1999: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 860 | idx = 10; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 861 | break; |
Jens Axboe | 8abdce6 | 2007-02-21 10:22:55 +0100 | [diff] [blame] | 862 | case 750 ... 999: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 863 | idx = 9; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 864 | break; |
Jens Axboe | 8abdce6 | 2007-02-21 10:22:55 +0100 | [diff] [blame] | 865 | case 500 ... 749: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 866 | idx = 8; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 867 | break; |
Jens Axboe | 8abdce6 | 2007-02-21 10:22:55 +0100 | [diff] [blame] | 868 | case 250 ... 499: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 869 | idx = 7; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 870 | break; |
Jens Axboe | 8abdce6 | 2007-02-21 10:22:55 +0100 | [diff] [blame] | 871 | case 100 ... 249: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 872 | idx = 6; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 873 | break; |
Jens Axboe | 8abdce6 | 2007-02-21 10:22:55 +0100 | [diff] [blame] | 874 | case 50 ... 99: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 875 | idx = 5; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 876 | break; |
Jens Axboe | 8abdce6 | 2007-02-21 10:22:55 +0100 | [diff] [blame] | 877 | case 20 ... 49: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 878 | idx = 4; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 879 | break; |
Jens Axboe | 8abdce6 | 2007-02-21 10:22:55 +0100 | [diff] [blame] | 880 | case 10 ... 19: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 881 | idx = 3; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 882 | break; |
Jens Axboe | 8abdce6 | 2007-02-21 10:22:55 +0100 | [diff] [blame] | 883 | case 4 ... 9: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 884 | idx = 2; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 885 | break; |
Jens Axboe | ec11830 | 2007-02-17 04:38:20 +0100 | [diff] [blame] | 886 | case 2 ... 3: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 887 | idx = 1; |
Jens Axboe | ec11830 | 2007-02-17 04:38:20 +0100 | [diff] [blame] | 888 | case 0 ... 1: |
| 889 | break; |
| 890 | } |
| 891 | |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 892 | assert(idx < FIO_IO_U_LAT_M_NR); |
| 893 | td->ts.io_u_lat_m[idx]++; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 894 | } |
| 895 | |
| 896 | static void io_u_mark_latency(struct thread_data *td, unsigned long usec) |
| 897 | { |
| 898 | if (usec < 1000) |
| 899 | io_u_mark_lat_usec(td, usec); |
| 900 | else |
| 901 | io_u_mark_lat_msec(td, usec / 1000); |
Jens Axboe | ec11830 | 2007-02-17 04:38:20 +0100 | [diff] [blame] | 902 | } |
| 903 | |
Jens Axboe | 0aabe16 | 2007-02-23 08:45:55 +0100 | [diff] [blame] | 904 | /* |
| 905 | * Get next file to service by choosing one at random |
| 906 | */ |
Jens Axboe | 2cc5293 | 2009-06-09 14:14:20 +0200 | [diff] [blame] | 907 | static struct fio_file *get_next_file_rand(struct thread_data *td, |
| 908 | enum fio_file_flags goodf, |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 909 | enum fio_file_flags badf) |
Jens Axboe | 0aabe16 | 2007-02-23 08:45:55 +0100 | [diff] [blame] | 910 | { |
Jens Axboe | 0aabe16 | 2007-02-23 08:45:55 +0100 | [diff] [blame] | 911 | struct fio_file *f; |
Jens Axboe | 1c17818 | 2007-03-13 13:25:18 +0100 | [diff] [blame] | 912 | int fno; |
Jens Axboe | 0aabe16 | 2007-02-23 08:45:55 +0100 | [diff] [blame] | 913 | |
| 914 | do { |
Jens Axboe | 87b1067 | 2009-03-04 09:39:47 +0100 | [diff] [blame] | 915 | int opened = 0; |
Jens Axboe | 1294c3e | 2011-05-11 08:15:18 +0200 | [diff] [blame] | 916 | unsigned long r; |
Jens Axboe | 7c83c08 | 2007-03-01 10:04:15 +0100 | [diff] [blame] | 917 | |
Jens Axboe | 4c07ad8 | 2011-03-28 09:51:09 +0200 | [diff] [blame] | 918 | if (td->o.use_os_rand) { |
| 919 | r = os_random_long(&td->next_file_state); |
| 920 | fno = (unsigned int) ((double) td->o.nr_files |
| 921 | * (r / (OS_RAND_MAX + 1.0))); |
| 922 | } else { |
| 923 | r = __rand(&td->__next_file_state); |
| 924 | fno = (unsigned int) ((double) td->o.nr_files |
| 925 | * (r / (FRAND_MAX + 1.0))); |
| 926 | } |
| 927 | |
Jens Axboe | 126d65c | 2008-03-01 18:04:31 +0100 | [diff] [blame] | 928 | f = td->files[fno]; |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 929 | if (fio_file_done(f)) |
Jens Axboe | 059e63c | 2007-03-27 20:34:47 +0200 | [diff] [blame] | 930 | continue; |
Jens Axboe | 1c17818 | 2007-03-13 13:25:18 +0100 | [diff] [blame] | 931 | |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 932 | if (!fio_file_open(f)) { |
Jens Axboe | 87b1067 | 2009-03-04 09:39:47 +0100 | [diff] [blame] | 933 | int err; |
| 934 | |
| 935 | err = td_io_open_file(td, f); |
| 936 | if (err) |
| 937 | continue; |
| 938 | opened = 1; |
| 939 | } |
| 940 | |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 941 | if ((!goodf || (f->flags & goodf)) && !(f->flags & badf)) { |
| 942 | dprint(FD_FILE, "get_next_file_rand: %p\n", f); |
Jens Axboe | 0aabe16 | 2007-02-23 08:45:55 +0100 | [diff] [blame] | 943 | return f; |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 944 | } |
Jens Axboe | 87b1067 | 2009-03-04 09:39:47 +0100 | [diff] [blame] | 945 | if (opened) |
| 946 | td_io_close_file(td, f); |
Jens Axboe | 0aabe16 | 2007-02-23 08:45:55 +0100 | [diff] [blame] | 947 | } while (1); |
| 948 | } |
| 949 | |
| 950 | /* |
| 951 | * Get next file to service by doing round robin between all available ones |
| 952 | */ |
Jens Axboe | 1c17818 | 2007-03-13 13:25:18 +0100 | [diff] [blame] | 953 | static struct fio_file *get_next_file_rr(struct thread_data *td, int goodf, |
| 954 | int badf) |
Jens Axboe | 3d7c391 | 2007-02-19 13:16:12 +0100 | [diff] [blame] | 955 | { |
| 956 | unsigned int old_next_file = td->next_file; |
| 957 | struct fio_file *f; |
| 958 | |
| 959 | do { |
Jens Axboe | 87b1067 | 2009-03-04 09:39:47 +0100 | [diff] [blame] | 960 | int opened = 0; |
| 961 | |
Jens Axboe | 126d65c | 2008-03-01 18:04:31 +0100 | [diff] [blame] | 962 | f = td->files[td->next_file]; |
Jens Axboe | 3d7c391 | 2007-02-19 13:16:12 +0100 | [diff] [blame] | 963 | |
| 964 | td->next_file++; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 965 | if (td->next_file >= td->o.nr_files) |
Jens Axboe | 3d7c391 | 2007-02-19 13:16:12 +0100 | [diff] [blame] | 966 | td->next_file = 0; |
| 967 | |
Jens Axboe | 87b1067 | 2009-03-04 09:39:47 +0100 | [diff] [blame] | 968 | 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] | 969 | if (fio_file_done(f)) { |
Jens Axboe | d5ed68e | 2007-03-28 09:33:43 +0200 | [diff] [blame] | 970 | f = NULL; |
Jens Axboe | 059e63c | 2007-03-27 20:34:47 +0200 | [diff] [blame] | 971 | continue; |
Jens Axboe | d5ed68e | 2007-03-28 09:33:43 +0200 | [diff] [blame] | 972 | } |
Jens Axboe | 059e63c | 2007-03-27 20:34:47 +0200 | [diff] [blame] | 973 | |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 974 | if (!fio_file_open(f)) { |
Jens Axboe | 87b1067 | 2009-03-04 09:39:47 +0100 | [diff] [blame] | 975 | int err; |
| 976 | |
| 977 | err = td_io_open_file(td, f); |
Jens Axboe | b5696bf | 2009-03-04 16:03:49 +0100 | [diff] [blame] | 978 | if (err) { |
| 979 | dprint(FD_FILE, "error %d on open of %s\n", |
| 980 | err, f->file_name); |
Jens Axboe | 87c27b4 | 2009-05-20 10:45:12 +0200 | [diff] [blame] | 981 | f = NULL; |
Jens Axboe | 87b1067 | 2009-03-04 09:39:47 +0100 | [diff] [blame] | 982 | continue; |
Jens Axboe | b5696bf | 2009-03-04 16:03:49 +0100 | [diff] [blame] | 983 | } |
Jens Axboe | 87b1067 | 2009-03-04 09:39:47 +0100 | [diff] [blame] | 984 | opened = 1; |
| 985 | } |
| 986 | |
Jens Axboe | 0b9d69e | 2009-09-11 22:29:54 +0200 | [diff] [blame] | 987 | dprint(FD_FILE, "goodf=%x, badf=%x, ff=%x\n", goodf, badf, |
| 988 | f->flags); |
Jens Axboe | 1c17818 | 2007-03-13 13:25:18 +0100 | [diff] [blame] | 989 | if ((!goodf || (f->flags & goodf)) && !(f->flags & badf)) |
Jens Axboe | 3d7c391 | 2007-02-19 13:16:12 +0100 | [diff] [blame] | 990 | break; |
| 991 | |
Jens Axboe | 87b1067 | 2009-03-04 09:39:47 +0100 | [diff] [blame] | 992 | if (opened) |
| 993 | td_io_close_file(td, f); |
| 994 | |
Jens Axboe | 3d7c391 | 2007-02-19 13:16:12 +0100 | [diff] [blame] | 995 | f = NULL; |
| 996 | } while (td->next_file != old_next_file); |
| 997 | |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 998 | dprint(FD_FILE, "get_next_file_rr: %p\n", f); |
Jens Axboe | 3d7c391 | 2007-02-19 13:16:12 +0100 | [diff] [blame] | 999 | return f; |
| 1000 | } |
| 1001 | |
Jens Axboe | 7eb3657 | 2010-03-08 13:58:49 +0100 | [diff] [blame] | 1002 | static struct fio_file *__get_next_file(struct thread_data *td) |
Jens Axboe | bdb4e2e | 2007-03-01 09:54:57 +0100 | [diff] [blame] | 1003 | { |
Jens Axboe | 1907dbc | 2007-03-12 11:44:28 +0100 | [diff] [blame] | 1004 | struct fio_file *f; |
| 1005 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 1006 | assert(td->o.nr_files <= td->files_index); |
Jens Axboe | 1c17818 | 2007-03-13 13:25:18 +0100 | [diff] [blame] | 1007 | |
Jens Axboe | b5696bf | 2009-03-04 16:03:49 +0100 | [diff] [blame] | 1008 | if (td->nr_done_files >= td->o.nr_files) { |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 1009 | dprint(FD_FILE, "get_next_file: nr_open=%d, nr_done=%d," |
| 1010 | " nr_files=%d\n", td->nr_open_files, |
| 1011 | td->nr_done_files, |
| 1012 | td->o.nr_files); |
Jens Axboe | bdb4e2e | 2007-03-01 09:54:57 +0100 | [diff] [blame] | 1013 | return NULL; |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 1014 | } |
Jens Axboe | bdb4e2e | 2007-03-01 09:54:57 +0100 | [diff] [blame] | 1015 | |
Jens Axboe | 1907dbc | 2007-03-12 11:44:28 +0100 | [diff] [blame] | 1016 | f = td->file_service_file; |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 1017 | if (f && fio_file_open(f) && !fio_file_closing(f)) { |
Jens Axboe | a086c25 | 2009-03-04 08:27:37 +0100 | [diff] [blame] | 1018 | if (td->o.file_service_type == FIO_FSERVICE_SEQ) |
| 1019 | goto out; |
| 1020 | if (td->file_service_left--) |
| 1021 | goto out; |
| 1022 | } |
Jens Axboe | 1907dbc | 2007-03-12 11:44:28 +0100 | [diff] [blame] | 1023 | |
Jens Axboe | a086c25 | 2009-03-04 08:27:37 +0100 | [diff] [blame] | 1024 | if (td->o.file_service_type == FIO_FSERVICE_RR || |
| 1025 | td->o.file_service_type == FIO_FSERVICE_SEQ) |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 1026 | f = get_next_file_rr(td, FIO_FILE_open, FIO_FILE_closing); |
Jens Axboe | bdb4e2e | 2007-03-01 09:54:57 +0100 | [diff] [blame] | 1027 | else |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 1028 | f = get_next_file_rand(td, FIO_FILE_open, FIO_FILE_closing); |
Jens Axboe | 1907dbc | 2007-03-12 11:44:28 +0100 | [diff] [blame] | 1029 | |
| 1030 | td->file_service_file = f; |
| 1031 | td->file_service_left = td->file_service_nr - 1; |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 1032 | out: |
Jens Axboe | 683023e | 2009-03-04 08:41:31 +0100 | [diff] [blame] | 1033 | dprint(FD_FILE, "get_next_file: %p [%s]\n", f, f->file_name); |
Jens Axboe | 1907dbc | 2007-03-12 11:44:28 +0100 | [diff] [blame] | 1034 | return f; |
Jens Axboe | bdb4e2e | 2007-03-01 09:54:57 +0100 | [diff] [blame] | 1035 | } |
| 1036 | |
Jens Axboe | 7eb3657 | 2010-03-08 13:58:49 +0100 | [diff] [blame] | 1037 | static struct fio_file *get_next_file(struct thread_data *td) |
| 1038 | { |
Jens Axboe | d72be54 | 2012-11-30 19:37:46 +0100 | [diff] [blame] | 1039 | if (!(td->flags & TD_F_PROFILE_OPS)) { |
| 1040 | struct prof_io_ops *ops = &td->prof_io_ops; |
Jens Axboe | 7eb3657 | 2010-03-08 13:58:49 +0100 | [diff] [blame] | 1041 | |
Jens Axboe | d72be54 | 2012-11-30 19:37:46 +0100 | [diff] [blame] | 1042 | if (ops->get_next_file) |
| 1043 | return ops->get_next_file(td); |
| 1044 | } |
Jens Axboe | 7eb3657 | 2010-03-08 13:58:49 +0100 | [diff] [blame] | 1045 | |
| 1046 | return __get_next_file(td); |
| 1047 | } |
| 1048 | |
Jens Axboe | 429f667 | 2007-07-23 10:38:43 +0200 | [diff] [blame] | 1049 | static int set_io_u_file(struct thread_data *td, struct io_u *io_u) |
| 1050 | { |
| 1051 | struct fio_file *f; |
| 1052 | |
| 1053 | do { |
| 1054 | f = get_next_file(td); |
| 1055 | if (!f) |
| 1056 | return 1; |
| 1057 | |
Jens Axboe | 429f667 | 2007-07-23 10:38:43 +0200 | [diff] [blame] | 1058 | io_u->file = f; |
| 1059 | get_file(f); |
| 1060 | |
| 1061 | if (!fill_io_u(td, io_u)) |
| 1062 | break; |
| 1063 | |
Jens Axboe | b5696bf | 2009-03-04 16:03:49 +0100 | [diff] [blame] | 1064 | put_file_log(td, f); |
Jens Axboe | 429f667 | 2007-07-23 10:38:43 +0200 | [diff] [blame] | 1065 | td_io_close_file(td, f); |
Jens Axboe | b5696bf | 2009-03-04 16:03:49 +0100 | [diff] [blame] | 1066 | io_u->file = NULL; |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 1067 | fio_file_set_done(f); |
Jens Axboe | 429f667 | 2007-07-23 10:38:43 +0200 | [diff] [blame] | 1068 | td->nr_done_files++; |
Jens Axboe | 0b9d69e | 2009-09-11 22:29:54 +0200 | [diff] [blame] | 1069 | dprint(FD_FILE, "%s: is done (%d of %d)\n", f->file_name, |
| 1070 | td->nr_done_files, td->o.nr_files); |
Jens Axboe | 429f667 | 2007-07-23 10:38:43 +0200 | [diff] [blame] | 1071 | } while (1); |
| 1072 | |
| 1073 | return 0; |
| 1074 | } |
| 1075 | |
| 1076 | |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1077 | struct io_u *__get_io_u(struct thread_data *td) |
| 1078 | { |
| 1079 | struct io_u *io_u = NULL; |
| 1080 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1081 | td_io_u_lock(td); |
| 1082 | |
| 1083 | again: |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 1084 | if (!flist_empty(&td->io_u_requeues)) |
| 1085 | io_u = flist_entry(td->io_u_requeues.next, struct io_u, list); |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 1086 | else if (!queue_full(td)) { |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 1087 | io_u = flist_entry(td->io_u_freelist.next, struct io_u, list); |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1088 | |
Jens Axboe | 6040dab | 2006-10-24 19:38:15 +0200 | [diff] [blame] | 1089 | io_u->buflen = 0; |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1090 | io_u->resid = 0; |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 1091 | io_u->file = NULL; |
Jens Axboe | d7762cf | 2007-02-23 12:34:57 +0100 | [diff] [blame] | 1092 | io_u->end_io = NULL; |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 1093 | } |
| 1094 | |
| 1095 | if (io_u) { |
Jens Axboe | 0c6e751 | 2007-02-22 11:19:39 +0100 | [diff] [blame] | 1096 | assert(io_u->flags & IO_U_F_FREE); |
Jens Axboe | 2ecc1b5 | 2009-11-04 20:58:09 +0100 | [diff] [blame] | 1097 | io_u->flags &= ~(IO_U_F_FREE | IO_U_F_FREE_DEF); |
Jens Axboe | 1ef2b6b | 2010-10-08 15:07:01 +0200 | [diff] [blame] | 1098 | io_u->flags &= ~(IO_U_F_TRIMMED | IO_U_F_BARRIER); |
Jens Axboe | 82af2a7 | 2012-03-13 13:45:58 +0100 | [diff] [blame] | 1099 | io_u->flags &= ~IO_U_F_VER_LIST; |
Jens Axboe | 0c6e751 | 2007-02-22 11:19:39 +0100 | [diff] [blame] | 1100 | |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 1101 | io_u->error = 0; |
Jens Axboe | bcd5abf | 2013-01-23 09:27:25 -0700 | [diff] [blame] | 1102 | io_u->acct_ddir = -1; |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 1103 | flist_del(&io_u->list); |
Bruce Cran | 94c6372 | 2012-10-10 08:15:58 -0600 | [diff] [blame] | 1104 | flist_add_tail(&io_u->list, &td->io_u_busylist); |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1105 | td->cur_depth++; |
Radha Ramachandran | 0c41214 | 2009-11-03 21:45:31 +0100 | [diff] [blame] | 1106 | io_u->flags |= IO_U_F_IN_CUR_DEPTH; |
Jens Axboe | 1dec3e0 | 2010-03-19 10:33:39 +0100 | [diff] [blame] | 1107 | } else if (td->o.verify_async) { |
| 1108 | /* |
| 1109 | * We ran out, wait for async verify threads to finish and |
| 1110 | * return one |
| 1111 | */ |
| 1112 | pthread_cond_wait(&td->free_cond, &td->io_u_lock); |
| 1113 | goto again; |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1114 | } |
| 1115 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1116 | td_io_u_unlock(td); |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1117 | return io_u; |
| 1118 | } |
| 1119 | |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 1120 | static int check_get_trim(struct thread_data *td, struct io_u *io_u) |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1121 | { |
Jens Axboe | d72be54 | 2012-11-30 19:37:46 +0100 | [diff] [blame] | 1122 | if (!(td->flags & TD_F_TRIM_BACKLOG)) |
| 1123 | return 0; |
| 1124 | |
| 1125 | if (td->trim_entries) { |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 1126 | int get_trim = 0; |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1127 | |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 1128 | if (td->trim_batch) { |
| 1129 | td->trim_batch--; |
| 1130 | get_trim = 1; |
| 1131 | } else if (!(td->io_hist_len % td->o.trim_backlog) && |
| 1132 | td->last_ddir != DDIR_READ) { |
| 1133 | td->trim_batch = td->o.trim_batch; |
| 1134 | if (!td->trim_batch) |
| 1135 | td->trim_batch = td->o.trim_backlog; |
| 1136 | get_trim = 1; |
| 1137 | } |
| 1138 | |
| 1139 | if (get_trim && !get_next_trim(td, io_u)) |
| 1140 | return 1; |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 1141 | } |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1142 | |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 1143 | return 0; |
| 1144 | } |
| 1145 | |
| 1146 | static int check_get_verify(struct thread_data *td, struct io_u *io_u) |
| 1147 | { |
Jens Axboe | d72be54 | 2012-11-30 19:37:46 +0100 | [diff] [blame] | 1148 | if (!(td->flags & TD_F_VER_BACKLOG)) |
| 1149 | return 0; |
| 1150 | |
| 1151 | if (td->io_hist_len) { |
Jens Axboe | 9e14418 | 2010-06-15 14:25:36 +0200 | [diff] [blame] | 1152 | int get_verify = 0; |
| 1153 | |
Jens Axboe | d1ece0c | 2012-03-07 09:32:58 +0100 | [diff] [blame] | 1154 | if (td->verify_batch) |
Jens Axboe | 9e14418 | 2010-06-15 14:25:36 +0200 | [diff] [blame] | 1155 | get_verify = 1; |
Jens Axboe | d1ece0c | 2012-03-07 09:32:58 +0100 | [diff] [blame] | 1156 | else if (!(td->io_hist_len % td->o.verify_backlog) && |
Jens Axboe | 9e14418 | 2010-06-15 14:25:36 +0200 | [diff] [blame] | 1157 | td->last_ddir != DDIR_READ) { |
| 1158 | td->verify_batch = td->o.verify_batch; |
Jens Axboe | f8a75c9 | 2010-06-15 14:27:28 +0200 | [diff] [blame] | 1159 | if (!td->verify_batch) |
| 1160 | td->verify_batch = td->o.verify_backlog; |
Jens Axboe | 9e14418 | 2010-06-15 14:25:36 +0200 | [diff] [blame] | 1161 | get_verify = 1; |
| 1162 | } |
| 1163 | |
Jens Axboe | d1ece0c | 2012-03-07 09:32:58 +0100 | [diff] [blame] | 1164 | if (get_verify && !get_next_verify(td, io_u)) { |
| 1165 | td->verify_batch--; |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 1166 | return 1; |
Jens Axboe | d1ece0c | 2012-03-07 09:32:58 +0100 | [diff] [blame] | 1167 | } |
Jens Axboe | 9e14418 | 2010-06-15 14:25:36 +0200 | [diff] [blame] | 1168 | } |
| 1169 | |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 1170 | return 0; |
| 1171 | } |
| 1172 | |
| 1173 | /* |
Jens Axboe | de78976 | 2011-09-16 22:11:23 +0200 | [diff] [blame] | 1174 | * Fill offset and start time into the buffer content, to prevent too |
Jens Axboe | 23f394d | 2011-09-16 22:45:27 +0200 | [diff] [blame] | 1175 | * easy compressible data for simple de-dupe attempts. Do this for every |
| 1176 | * 512b block in the range, since that should be the smallest block size |
| 1177 | * we can expect from a device. |
Jens Axboe | de78976 | 2011-09-16 22:11:23 +0200 | [diff] [blame] | 1178 | */ |
| 1179 | static void small_content_scramble(struct io_u *io_u) |
| 1180 | { |
Jens Axboe | 23f394d | 2011-09-16 22:45:27 +0200 | [diff] [blame] | 1181 | unsigned int i, nr_blocks = io_u->buflen / 512; |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame] | 1182 | uint64_t boffset; |
Jens Axboe | 23f394d | 2011-09-16 22:45:27 +0200 | [diff] [blame] | 1183 | unsigned int offset; |
| 1184 | void *p, *end; |
Jens Axboe | de78976 | 2011-09-16 22:11:23 +0200 | [diff] [blame] | 1185 | |
Jens Axboe | 23f394d | 2011-09-16 22:45:27 +0200 | [diff] [blame] | 1186 | if (!nr_blocks) |
| 1187 | return; |
| 1188 | |
| 1189 | p = io_u->xfer_buf; |
Jens Axboe | fba76ee | 2011-09-27 14:27:48 -0600 | [diff] [blame] | 1190 | boffset = io_u->offset; |
Jens Axboe | 81f0366 | 2012-02-02 09:20:09 +0100 | [diff] [blame] | 1191 | io_u->buf_filled_len = 0; |
Jens Axboe | fad82f7 | 2011-09-19 11:33:30 +0200 | [diff] [blame] | 1192 | |
Jens Axboe | 23f394d | 2011-09-16 22:45:27 +0200 | [diff] [blame] | 1193 | for (i = 0; i < nr_blocks; i++) { |
| 1194 | /* |
| 1195 | * Fill the byte offset into a "random" start offset of |
| 1196 | * the buffer, given by the product of the usec time |
| 1197 | * and the actual offset. |
| 1198 | */ |
Jens Axboe | fad82f7 | 2011-09-19 11:33:30 +0200 | [diff] [blame] | 1199 | offset = (io_u->start_time.tv_usec ^ boffset) & 511; |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame] | 1200 | offset &= ~(sizeof(uint64_t) - 1); |
| 1201 | if (offset >= 512 - sizeof(uint64_t)) |
| 1202 | offset -= sizeof(uint64_t); |
Jens Axboe | fba76ee | 2011-09-27 14:27:48 -0600 | [diff] [blame] | 1203 | memcpy(p + offset, &boffset, sizeof(boffset)); |
Jens Axboe | 23f394d | 2011-09-16 22:45:27 +0200 | [diff] [blame] | 1204 | |
| 1205 | end = p + 512 - sizeof(io_u->start_time); |
| 1206 | memcpy(end, &io_u->start_time, sizeof(io_u->start_time)); |
| 1207 | p += 512; |
Jens Axboe | fad82f7 | 2011-09-19 11:33:30 +0200 | [diff] [blame] | 1208 | boffset += 512; |
Jens Axboe | 23f394d | 2011-09-16 22:45:27 +0200 | [diff] [blame] | 1209 | } |
Jens Axboe | de78976 | 2011-09-16 22:11:23 +0200 | [diff] [blame] | 1210 | } |
| 1211 | |
| 1212 | /* |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 1213 | * Return an io_u to be processed. Gets a buflen and offset, sets direction, |
| 1214 | * etc. The returned io_u is fully ready to be prepped and submitted. |
| 1215 | */ |
| 1216 | struct io_u *get_io_u(struct thread_data *td) |
| 1217 | { |
| 1218 | struct fio_file *f; |
| 1219 | struct io_u *io_u; |
Jens Axboe | de78976 | 2011-09-16 22:11:23 +0200 | [diff] [blame] | 1220 | int do_scramble = 0; |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 1221 | |
| 1222 | io_u = __get_io_u(td); |
| 1223 | if (!io_u) { |
| 1224 | dprint(FD_IO, "__get_io_u failed\n"); |
| 1225 | return NULL; |
| 1226 | } |
| 1227 | |
| 1228 | if (check_get_verify(td, io_u)) |
| 1229 | goto out; |
| 1230 | if (check_get_trim(td, io_u)) |
| 1231 | goto out; |
| 1232 | |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 1233 | /* |
| 1234 | * from a requeue, io_u already setup |
| 1235 | */ |
| 1236 | if (io_u->file) |
Jens Axboe | 77f392b | 2007-02-19 20:13:09 +0100 | [diff] [blame] | 1237 | goto out; |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 1238 | |
Jens Axboe | 429f667 | 2007-07-23 10:38:43 +0200 | [diff] [blame] | 1239 | /* |
| 1240 | * If using an iolog, grab next piece if any available. |
| 1241 | */ |
Jens Axboe | d72be54 | 2012-11-30 19:37:46 +0100 | [diff] [blame] | 1242 | if (td->flags & TD_F_READ_IOLOG) { |
Jens Axboe | 429f667 | 2007-07-23 10:38:43 +0200 | [diff] [blame] | 1243 | if (read_iolog_get(td, io_u)) |
| 1244 | goto err_put; |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 1245 | } else if (set_io_u_file(td, io_u)) { |
| 1246 | dprint(FD_IO, "io_u %p, setting file failed\n", io_u); |
Jens Axboe | 429f667 | 2007-07-23 10:38:43 +0200 | [diff] [blame] | 1247 | goto err_put; |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 1248 | } |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 1249 | |
Jens Axboe | 429f667 | 2007-07-23 10:38:43 +0200 | [diff] [blame] | 1250 | f = io_u->file; |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 1251 | assert(fio_file_open(f)); |
Jens Axboe | 97af62c | 2007-05-22 11:12:13 +0200 | [diff] [blame] | 1252 | |
Jens Axboe | ff58fce | 2010-08-25 12:02:08 +0200 | [diff] [blame] | 1253 | if (ddir_rw(io_u->ddir)) { |
Jens Axboe | d0656a9 | 2008-02-01 18:33:23 +0100 | [diff] [blame] | 1254 | if (!io_u->buflen && !(td->io_ops->flags & FIO_NOIO)) { |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 1255 | 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] | 1256 | goto err_put; |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 1257 | } |
Jens Axboe | 87dc1ab | 2006-10-24 14:41:26 +0200 | [diff] [blame] | 1258 | |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 1259 | f->last_start = io_u->offset; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 1260 | f->last_pos = io_u->offset + io_u->buflen; |
Jens Axboe | 87dc1ab | 2006-10-24 14:41:26 +0200 | [diff] [blame] | 1261 | |
Jens Axboe | fd68418 | 2011-09-19 09:24:44 +0200 | [diff] [blame] | 1262 | if (io_u->ddir == DDIR_WRITE) { |
Jens Axboe | d72be54 | 2012-11-30 19:37:46 +0100 | [diff] [blame] | 1263 | if (td->flags & TD_F_REFILL_BUFFERS) { |
Jens Axboe | 9c42684 | 2012-03-02 21:02:12 +0100 | [diff] [blame] | 1264 | io_u_fill_buffer(td, io_u, |
| 1265 | io_u->xfer_buflen, io_u->xfer_buflen); |
Jens Axboe | d72be54 | 2012-11-30 19:37:46 +0100 | [diff] [blame] | 1266 | } else if (td->flags & TD_F_SCRAMBLE_BUFFERS) |
Jens Axboe | fd68418 | 2011-09-19 09:24:44 +0200 | [diff] [blame] | 1267 | do_scramble = 1; |
Jens Axboe | d72be54 | 2012-11-30 19:37:46 +0100 | [diff] [blame] | 1268 | if (td->flags & TD_F_VER_NONE) { |
Jens Axboe | 629f1d7 | 2012-03-09 19:02:01 +0100 | [diff] [blame] | 1269 | populate_verify_io_u(td, io_u); |
| 1270 | do_scramble = 0; |
| 1271 | } |
Jens Axboe | fd68418 | 2011-09-19 09:24:44 +0200 | [diff] [blame] | 1272 | } else if (io_u->ddir == DDIR_READ) { |
Radha Ramachandran | cbe8d75 | 2010-07-14 08:36:07 +0200 | [diff] [blame] | 1273 | /* |
| 1274 | * Reset the buf_filled parameters so next time if the |
| 1275 | * buffer is used for writes it is refilled. |
| 1276 | */ |
Radha Ramachandran | cbe8d75 | 2010-07-14 08:36:07 +0200 | [diff] [blame] | 1277 | io_u->buf_filled_len = 0; |
| 1278 | } |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1279 | } |
| 1280 | |
Jens Axboe | 165faf1 | 2007-02-07 11:30:37 +0100 | [diff] [blame] | 1281 | /* |
| 1282 | * Set io data pointers. |
| 1283 | */ |
Jens Axboe | cec6b55 | 2007-02-06 20:15:38 +0100 | [diff] [blame] | 1284 | io_u->xfer_buf = io_u->buf; |
| 1285 | io_u->xfer_buflen = io_u->buflen; |
Jens Axboe | 5973caf | 2008-05-21 19:52:35 +0200 | [diff] [blame] | 1286 | |
Jens Axboe | 6ac7a33 | 2008-03-01 15:22:32 +0100 | [diff] [blame] | 1287 | out: |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 1288 | assert(io_u->file); |
Jens Axboe | 429f667 | 2007-07-23 10:38:43 +0200 | [diff] [blame] | 1289 | if (!td_io_prep(td, io_u)) { |
Jens Axboe | 993bf48 | 2008-11-14 13:04:53 +0100 | [diff] [blame] | 1290 | if (!td->o.disable_slat) |
| 1291 | fio_gettime(&io_u->start_time, NULL); |
Jens Axboe | de78976 | 2011-09-16 22:11:23 +0200 | [diff] [blame] | 1292 | if (do_scramble) |
| 1293 | small_content_scramble(io_u); |
Jens Axboe | 429f667 | 2007-07-23 10:38:43 +0200 | [diff] [blame] | 1294 | return io_u; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 1295 | } |
Jens Axboe | 429f667 | 2007-07-23 10:38:43 +0200 | [diff] [blame] | 1296 | err_put: |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 1297 | dprint(FD_IO, "get_io_u failed\n"); |
Jens Axboe | 429f667 | 2007-07-23 10:38:43 +0200 | [diff] [blame] | 1298 | put_io_u(td, io_u); |
| 1299 | return NULL; |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1300 | } |
| 1301 | |
Jens Axboe | 5451792 | 2007-03-05 10:06:06 +0100 | [diff] [blame] | 1302 | void io_u_log_error(struct thread_data *td, struct io_u *io_u) |
| 1303 | { |
Dmitry Monakhov | 8b28bd4 | 2012-09-23 15:46:09 +0400 | [diff] [blame] | 1304 | 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] | 1305 | const char *msg[] = { "read", "write", "sync", "datasync", |
| 1306 | "sync_file_range", "wait", "trim" }; |
| 1307 | |
Dmitry Monakhov | 8b28bd4 | 2012-09-23 15:46:09 +0400 | [diff] [blame] | 1308 | if (td_non_fatal_error(td, eb, io_u->error) && !td->o.error_dump) |
| 1309 | return; |
Jens Axboe | 5451792 | 2007-03-05 10:06:06 +0100 | [diff] [blame] | 1310 | |
| 1311 | log_err("fio: io_u error"); |
| 1312 | |
| 1313 | if (io_u->file) |
| 1314 | log_err(" on file %s", io_u->file->file_name); |
| 1315 | |
| 1316 | log_err(": %s\n", strerror(io_u->error)); |
| 1317 | |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 1318 | log_err(" %s offset=%llu, buflen=%lu\n", msg[io_u->ddir], |
| 1319 | io_u->offset, io_u->xfer_buflen); |
Jens Axboe | 5451792 | 2007-03-05 10:06:06 +0100 | [diff] [blame] | 1320 | |
| 1321 | if (!td->error) |
| 1322 | td_verror(td, io_u->error, "io_u error"); |
| 1323 | } |
| 1324 | |
Jens Axboe | c8eeb9d | 2011-10-05 14:02:22 +0200 | [diff] [blame] | 1325 | static void account_io_completion(struct thread_data *td, struct io_u *io_u, |
| 1326 | struct io_completion_data *icd, |
| 1327 | const enum fio_ddir idx, unsigned int bytes) |
| 1328 | { |
Jens Axboe | 24d23ca | 2012-11-13 08:31:24 -0700 | [diff] [blame] | 1329 | unsigned long lusec = 0; |
Jens Axboe | c8eeb9d | 2011-10-05 14:02:22 +0200 | [diff] [blame] | 1330 | |
Jens Axboe | c8eeb9d | 2011-10-05 14:02:22 +0200 | [diff] [blame] | 1331 | if (!td->o.disable_clat || !td->o.disable_bw) |
| 1332 | lusec = utime_since(&io_u->issue_time, &icd->time); |
| 1333 | |
| 1334 | if (!td->o.disable_lat) { |
| 1335 | unsigned long tusec; |
| 1336 | |
| 1337 | tusec = utime_since(&io_u->start_time, &icd->time); |
| 1338 | add_lat_sample(td, idx, tusec, bytes); |
Jens Axboe | 1550153 | 2012-10-24 16:37:45 +0200 | [diff] [blame] | 1339 | |
| 1340 | if (td->o.max_latency && tusec > td->o.max_latency) { |
| 1341 | if (!td->error) |
| 1342 | log_err("fio: latency of %lu usec exceeds specified max (%u usec)\n", tusec, td->o.max_latency); |
Jens Axboe | c5b3adc | 2012-11-08 21:38:35 +0100 | [diff] [blame] | 1343 | td_verror(td, ETIMEDOUT, "max latency exceeded"); |
| 1344 | icd->error = ETIMEDOUT; |
Jens Axboe | 1550153 | 2012-10-24 16:37:45 +0200 | [diff] [blame] | 1345 | } |
Jens Axboe | c8eeb9d | 2011-10-05 14:02:22 +0200 | [diff] [blame] | 1346 | } |
| 1347 | |
| 1348 | if (!td->o.disable_clat) { |
| 1349 | add_clat_sample(td, idx, lusec, bytes); |
| 1350 | io_u_mark_latency(td, lusec); |
| 1351 | } |
| 1352 | |
| 1353 | if (!td->o.disable_bw) |
| 1354 | add_bw_sample(td, idx, bytes, &icd->time); |
| 1355 | |
| 1356 | add_iops_sample(td, idx, &icd->time); |
| 1357 | } |
| 1358 | |
Steven Lang | 1b8dbf2 | 2011-11-09 13:48:01 +0100 | [diff] [blame] | 1359 | static long long usec_for_io(struct thread_data *td, enum fio_ddir ddir) |
| 1360 | { |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame] | 1361 | uint64_t secs, remainder, bps, bytes; |
| 1362 | |
Steven Lang | 1b8dbf2 | 2011-11-09 13:48:01 +0100 | [diff] [blame] | 1363 | bytes = td->this_io_bytes[ddir]; |
| 1364 | bps = td->rate_bps[ddir]; |
| 1365 | secs = bytes / bps; |
| 1366 | remainder = bytes % bps; |
| 1367 | return remainder * 1000000 / bps + secs * 1000000; |
| 1368 | } |
| 1369 | |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1370 | static void io_completed(struct thread_data *td, struct io_u *io_u, |
| 1371 | struct io_completion_data *icd) |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1372 | { |
Jens Axboe | 44f2969 | 2010-03-09 20:09:44 +0100 | [diff] [blame] | 1373 | struct fio_file *f; |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1374 | |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 1375 | dprint_io_u(io_u, "io complete"); |
| 1376 | |
Jens Axboe | 2ecc1b5 | 2009-11-04 20:58:09 +0100 | [diff] [blame] | 1377 | td_io_u_lock(td); |
Jens Axboe | 0c6e751 | 2007-02-22 11:19:39 +0100 | [diff] [blame] | 1378 | assert(io_u->flags & IO_U_F_FLIGHT); |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 1379 | io_u->flags &= ~(IO_U_F_FLIGHT | IO_U_F_BUSY_OK); |
Jens Axboe | 2ecc1b5 | 2009-11-04 20:58:09 +0100 | [diff] [blame] | 1380 | td_io_u_unlock(td); |
Jens Axboe | 0c6e751 | 2007-02-22 11:19:39 +0100 | [diff] [blame] | 1381 | |
Jens Axboe | 5f9099e | 2009-06-16 22:40:26 +0200 | [diff] [blame] | 1382 | if (ddir_sync(io_u->ddir)) { |
Jens Axboe | 87dc1ab | 2006-10-24 14:41:26 +0200 | [diff] [blame] | 1383 | td->last_was_sync = 1; |
Jens Axboe | 44f2969 | 2010-03-09 20:09:44 +0100 | [diff] [blame] | 1384 | f = io_u->file; |
| 1385 | if (f) { |
| 1386 | f->first_write = -1ULL; |
| 1387 | f->last_write = -1ULL; |
| 1388 | } |
Jens Axboe | 87dc1ab | 2006-10-24 14:41:26 +0200 | [diff] [blame] | 1389 | return; |
| 1390 | } |
| 1391 | |
| 1392 | td->last_was_sync = 0; |
Jens Axboe | 9e14418 | 2010-06-15 14:25:36 +0200 | [diff] [blame] | 1393 | td->last_ddir = io_u->ddir; |
Jens Axboe | 87dc1ab | 2006-10-24 14:41:26 +0200 | [diff] [blame] | 1394 | |
Jens Axboe | ff58fce | 2010-08-25 12:02:08 +0200 | [diff] [blame] | 1395 | if (!io_u->error && ddir_rw(io_u->ddir)) { |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1396 | unsigned int bytes = io_u->buflen - io_u->resid; |
Jens Axboe | 1e97cce | 2006-12-05 11:44:16 +0100 | [diff] [blame] | 1397 | const enum fio_ddir idx = io_u->ddir; |
Radha Ramachandran | ba3e4e0 | 2009-12-09 22:31:44 +0100 | [diff] [blame] | 1398 | const enum fio_ddir odx = io_u->ddir ^ 1; |
Jens Axboe | b29ee5b | 2008-09-11 10:17:26 +0200 | [diff] [blame] | 1399 | int ret; |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1400 | |
Jens Axboe | b29ee5b | 2008-09-11 10:17:26 +0200 | [diff] [blame] | 1401 | td->io_blocks[idx]++; |
Jens Axboe | c8eeb9d | 2011-10-05 14:02:22 +0200 | [diff] [blame] | 1402 | td->this_io_blocks[idx]++; |
Jens Axboe | b29ee5b | 2008-09-11 10:17:26 +0200 | [diff] [blame] | 1403 | td->io_bytes[idx] += bytes; |
webee | ae2fafc | 2012-03-23 13:41:41 +0100 | [diff] [blame] | 1404 | |
| 1405 | if (!(io_u->flags & IO_U_F_VER_LIST)) |
| 1406 | td->this_io_bytes[idx] += bytes; |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1407 | |
Jens Axboe | 44f2969 | 2010-03-09 20:09:44 +0100 | [diff] [blame] | 1408 | if (idx == DDIR_WRITE) { |
| 1409 | f = io_u->file; |
| 1410 | if (f) { |
| 1411 | if (f->first_write == -1ULL || |
| 1412 | io_u->offset < f->first_write) |
| 1413 | f->first_write = io_u->offset; |
| 1414 | if (f->last_write == -1ULL || |
| 1415 | ((io_u->offset + bytes) > f->last_write)) |
| 1416 | f->last_write = io_u->offset + bytes; |
| 1417 | } |
| 1418 | } |
| 1419 | |
Steven Lang | 6b1190f | 2012-02-07 09:42:59 +0100 | [diff] [blame] | 1420 | if (ramp_time_over(td) && (td->runstate == TD_RUNNING || |
| 1421 | td->runstate == TD_VERIFYING)) { |
Jens Axboe | c8eeb9d | 2011-10-05 14:02:22 +0200 | [diff] [blame] | 1422 | account_io_completion(td, io_u, icd, idx, bytes); |
Jens Axboe | 40e1a6f | 2009-06-11 10:55:39 +0200 | [diff] [blame] | 1423 | |
Jens Axboe | b23b6a2 | 2009-06-11 22:06:23 +0200 | [diff] [blame] | 1424 | if (__should_check_rate(td, idx)) { |
Radha Ramachandran | ba3e4e0 | 2009-12-09 22:31:44 +0100 | [diff] [blame] | 1425 | td->rate_pending_usleep[idx] = |
Steven Lang | 1b8dbf2 | 2011-11-09 13:48:01 +0100 | [diff] [blame] | 1426 | (usec_for_io(td, idx) - |
Radha Ramachandran | ba3e4e0 | 2009-12-09 22:31:44 +0100 | [diff] [blame] | 1427 | utime_since_now(&td->start)); |
Jens Axboe | b23b6a2 | 2009-06-11 22:06:23 +0200 | [diff] [blame] | 1428 | } |
Shaohua Li | 6eaf09d | 2012-09-14 08:49:43 +0200 | [diff] [blame] | 1429 | if (idx != DDIR_TRIM && __should_check_rate(td, odx)) |
Radha Ramachandran | ba3e4e0 | 2009-12-09 22:31:44 +0100 | [diff] [blame] | 1430 | td->rate_pending_usleep[odx] = |
Steven Lang | 1b8dbf2 | 2011-11-09 13:48:01 +0100 | [diff] [blame] | 1431 | (usec_for_io(td, odx) - |
Radha Ramachandran | ba3e4e0 | 2009-12-09 22:31:44 +0100 | [diff] [blame] | 1432 | utime_since_now(&td->start)); |
Jens Axboe | 721938a | 2008-09-10 09:46:16 +0200 | [diff] [blame] | 1433 | } |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1434 | |
Jens Axboe | 660a1cb | 2007-04-17 15:37:47 +0200 | [diff] [blame] | 1435 | if (td_write(td) && idx == DDIR_WRITE && |
Shawn Lewis | 8670579 | 2007-11-21 09:35:41 +0100 | [diff] [blame] | 1436 | td->o.do_verify && |
Jens Axboe | 44cbc6d | 2013-01-21 09:47:03 -0700 | [diff] [blame] | 1437 | td->o.verify != VERIFY_NONE && |
| 1438 | !td->o.experimental_verify) |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1439 | log_io_piece(td, io_u); |
| 1440 | |
Jens Axboe | b29ee5b | 2008-09-11 10:17:26 +0200 | [diff] [blame] | 1441 | icd->bytes_done[idx] += bytes; |
Jens Axboe | 3af6ef3 | 2007-02-18 06:57:43 +0100 | [diff] [blame] | 1442 | |
Jens Axboe | d7762cf | 2007-02-23 12:34:57 +0100 | [diff] [blame] | 1443 | if (io_u->end_io) { |
Jens Axboe | 36690c9 | 2007-03-26 10:23:34 +0200 | [diff] [blame] | 1444 | ret = io_u->end_io(td, io_u); |
Jens Axboe | 3af6ef3 | 2007-02-18 06:57:43 +0100 | [diff] [blame] | 1445 | if (ret && !icd->error) |
| 1446 | icd->error = ret; |
| 1447 | } |
Jens Axboe | ff58fce | 2010-08-25 12:02:08 +0200 | [diff] [blame] | 1448 | } else if (io_u->error) { |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1449 | icd->error = io_u->error; |
Jens Axboe | 5451792 | 2007-03-05 10:06:06 +0100 | [diff] [blame] | 1450 | io_u_log_error(td, io_u); |
| 1451 | } |
Dmitry Monakhov | 8b28bd4 | 2012-09-23 15:46:09 +0400 | [diff] [blame] | 1452 | if (icd->error) { |
| 1453 | enum error_type_bit eb = td_error_type(io_u->ddir, icd->error); |
| 1454 | if (!td_non_fatal_error(td, eb, icd->error)) |
| 1455 | return; |
Radha Ramachandran | f2bba18 | 2009-06-15 08:40:16 +0200 | [diff] [blame] | 1456 | /* |
| 1457 | * If there is a non_fatal error, then add to the error count |
| 1458 | * and clear all the errors. |
| 1459 | */ |
| 1460 | update_error_count(td, icd->error); |
| 1461 | td_clear_error(td); |
| 1462 | icd->error = 0; |
| 1463 | io_u->error = 0; |
| 1464 | } |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1465 | } |
| 1466 | |
Jens Axboe | 9520ebb | 2008-10-16 21:03:27 +0200 | [diff] [blame] | 1467 | static void init_icd(struct thread_data *td, struct io_completion_data *icd, |
| 1468 | int nr) |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 1469 | { |
Shaohua Li | 6eaf09d | 2012-09-14 08:49:43 +0200 | [diff] [blame] | 1470 | int ddir; |
Jens Axboe | 9520ebb | 2008-10-16 21:03:27 +0200 | [diff] [blame] | 1471 | if (!td->o.disable_clat || !td->o.disable_bw) |
| 1472 | fio_gettime(&icd->time, NULL); |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 1473 | |
Jens Axboe | 3af6ef3 | 2007-02-18 06:57:43 +0100 | [diff] [blame] | 1474 | icd->nr = nr; |
| 1475 | |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 1476 | icd->error = 0; |
Shaohua Li | 6eaf09d | 2012-09-14 08:49:43 +0200 | [diff] [blame] | 1477 | for (ddir = DDIR_READ; ddir < DDIR_RWDIR_CNT; ddir++) |
| 1478 | icd->bytes_done[ddir] = 0; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 1479 | } |
| 1480 | |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1481 | static void ios_completed(struct thread_data *td, |
| 1482 | struct io_completion_data *icd) |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1483 | { |
| 1484 | struct io_u *io_u; |
| 1485 | int i; |
| 1486 | |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1487 | for (i = 0; i < icd->nr; i++) { |
| 1488 | io_u = td->io_ops->event(td, i); |
| 1489 | |
| 1490 | io_completed(td, io_u, icd); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1491 | |
| 1492 | if (!(io_u->flags & IO_U_F_FREE_DEF)) |
| 1493 | put_io_u(td, io_u); |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1494 | } |
| 1495 | } |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1496 | |
Jens Axboe | e7e6cfb | 2007-02-20 10:58:34 +0100 | [diff] [blame] | 1497 | /* |
| 1498 | * Complete a single io_u for the sync engines. |
| 1499 | */ |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 1500 | int io_u_sync_complete(struct thread_data *td, struct io_u *io_u, |
Jens Axboe | 100f49f | 2013-01-23 10:15:57 -0700 | [diff] [blame] | 1501 | uint64_t *bytes) |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1502 | { |
| 1503 | struct io_completion_data icd; |
| 1504 | |
Jens Axboe | 9520ebb | 2008-10-16 21:03:27 +0200 | [diff] [blame] | 1505 | init_icd(td, &icd, 1); |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1506 | io_completed(td, io_u, &icd); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1507 | |
| 1508 | if (!(io_u->flags & IO_U_F_FREE_DEF)) |
| 1509 | put_io_u(td, io_u); |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1510 | |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 1511 | if (icd.error) { |
| 1512 | td_verror(td, icd.error, "io_u_sync_complete"); |
| 1513 | return -1; |
| 1514 | } |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1515 | |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 1516 | if (bytes) { |
Shaohua Li | 6eaf09d | 2012-09-14 08:49:43 +0200 | [diff] [blame] | 1517 | int ddir; |
| 1518 | |
| 1519 | for (ddir = DDIR_READ; ddir < DDIR_RWDIR_CNT; ddir++) |
| 1520 | bytes[ddir] += icd.bytes_done[ddir]; |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 1521 | } |
| 1522 | |
| 1523 | return 0; |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1524 | } |
| 1525 | |
Jens Axboe | e7e6cfb | 2007-02-20 10:58:34 +0100 | [diff] [blame] | 1526 | /* |
| 1527 | * Called to complete min_events number of io for the async engines. |
| 1528 | */ |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 1529 | int io_u_queued_complete(struct thread_data *td, int min_evts, |
Jens Axboe | 100f49f | 2013-01-23 10:15:57 -0700 | [diff] [blame] | 1530 | uint64_t *bytes) |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1531 | { |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1532 | struct io_completion_data icd; |
Jens Axboe | 00de55e | 2007-02-20 10:45:57 +0100 | [diff] [blame] | 1533 | struct timespec *tvp = NULL; |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1534 | int ret; |
Davide Libenzi | 4d06a33 | 2007-03-22 07:43:50 +0100 | [diff] [blame] | 1535 | struct timespec ts = { .tv_sec = 0, .tv_nsec = 0, }; |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1536 | |
Jens Axboe | 4950421 | 2008-06-05 09:03:30 +0200 | [diff] [blame] | 1537 | dprint(FD_IO, "io_u_queued_completed: min=%d\n", min_evts); |
Jens Axboe | b271fe6 | 2008-02-04 10:49:41 +0100 | [diff] [blame] | 1538 | |
Jens Axboe | 4950421 | 2008-06-05 09:03:30 +0200 | [diff] [blame] | 1539 | if (!min_evts) |
Jens Axboe | 00de55e | 2007-02-20 10:45:57 +0100 | [diff] [blame] | 1540 | tvp = &ts; |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1541 | |
Jens Axboe | 4950421 | 2008-06-05 09:03:30 +0200 | [diff] [blame] | 1542 | ret = td_io_getevents(td, min_evts, td->o.iodepth_batch_complete, tvp); |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1543 | if (ret < 0) { |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 1544 | td_verror(td, -ret, "td_io_getevents"); |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1545 | return ret; |
| 1546 | } else if (!ret) |
| 1547 | return ret; |
| 1548 | |
Jens Axboe | 9520ebb | 2008-10-16 21:03:27 +0200 | [diff] [blame] | 1549 | init_icd(td, &icd, ret); |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1550 | ios_completed(td, &icd); |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 1551 | if (icd.error) { |
| 1552 | td_verror(td, icd.error, "io_u_queued_complete"); |
| 1553 | return -1; |
| 1554 | } |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1555 | |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 1556 | if (bytes) { |
Shaohua Li | 6eaf09d | 2012-09-14 08:49:43 +0200 | [diff] [blame] | 1557 | int ddir; |
| 1558 | |
| 1559 | for (ddir = DDIR_READ; ddir < DDIR_RWDIR_CNT; ddir++) |
| 1560 | bytes[ddir] += icd.bytes_done[ddir]; |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 1561 | } |
| 1562 | |
| 1563 | return 0; |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1564 | } |
Jens Axboe | 7e77dd0 | 2007-02-20 10:57:34 +0100 | [diff] [blame] | 1565 | |
| 1566 | /* |
| 1567 | * Call when io_u is really queued, to update the submission latency. |
| 1568 | */ |
| 1569 | void io_u_queued(struct thread_data *td, struct io_u *io_u) |
| 1570 | { |
Jens Axboe | 9520ebb | 2008-10-16 21:03:27 +0200 | [diff] [blame] | 1571 | if (!td->o.disable_slat) { |
| 1572 | unsigned long slat_time; |
Jens Axboe | 7e77dd0 | 2007-02-20 10:57:34 +0100 | [diff] [blame] | 1573 | |
Jens Axboe | 9520ebb | 2008-10-16 21:03:27 +0200 | [diff] [blame] | 1574 | slat_time = utime_since(&io_u->start_time, &io_u->issue_time); |
Jens Axboe | 29a90dd | 2009-06-10 06:57:47 +0200 | [diff] [blame] | 1575 | add_slat_sample(td, io_u->ddir, slat_time, io_u->xfer_buflen); |
Jens Axboe | 9520ebb | 2008-10-16 21:03:27 +0200 | [diff] [blame] | 1576 | } |
Jens Axboe | 7e77dd0 | 2007-02-20 10:57:34 +0100 | [diff] [blame] | 1577 | } |
Jens Axboe | 433afcb | 2007-02-22 10:39:01 +0100 | [diff] [blame] | 1578 | |
Jens Axboe | 5973caf | 2008-05-21 19:52:35 +0200 | [diff] [blame] | 1579 | /* |
| 1580 | * "randomly" fill the buffer contents |
| 1581 | */ |
| 1582 | void io_u_fill_buffer(struct thread_data *td, struct io_u *io_u, |
Jens Axboe | 9c42684 | 2012-03-02 21:02:12 +0100 | [diff] [blame] | 1583 | unsigned int min_write, unsigned int max_bs) |
Jens Axboe | 5973caf | 2008-05-21 19:52:35 +0200 | [diff] [blame] | 1584 | { |
Jens Axboe | e84b371 | 2011-01-16 08:32:08 -0700 | [diff] [blame] | 1585 | io_u->buf_filled_len = 0; |
| 1586 | |
Jens Axboe | 9c42684 | 2012-03-02 21:02:12 +0100 | [diff] [blame] | 1587 | if (!td->o.zero_buffers) { |
| 1588 | unsigned int perc = td->o.compress_percentage; |
| 1589 | |
| 1590 | if (perc) { |
Jens Axboe | f97a43a | 2012-03-09 19:06:24 +0100 | [diff] [blame] | 1591 | unsigned int seg = min_write; |
| 1592 | |
| 1593 | seg = min(min_write, td->o.compress_chunk); |
Jens Axboe | 9c42684 | 2012-03-02 21:02:12 +0100 | [diff] [blame] | 1594 | fill_random_buf_percentage(&td->buf_state, io_u->buf, |
Jens Axboe | f97a43a | 2012-03-09 19:06:24 +0100 | [diff] [blame] | 1595 | perc, seg, max_bs); |
Jens Axboe | 9c42684 | 2012-03-02 21:02:12 +0100 | [diff] [blame] | 1596 | } else |
| 1597 | fill_random_buf(&td->buf_state, io_u->buf, max_bs); |
| 1598 | } else |
Jens Axboe | 637ef8d | 2010-06-21 20:39:38 +0200 | [diff] [blame] | 1599 | memset(io_u->buf, 0, max_bs); |
Jens Axboe | 5973caf | 2008-05-21 19:52:35 +0200 | [diff] [blame] | 1600 | } |