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 */ |
Shaohua Li | 6eaf09d | 2012-09-14 08:49:43 +0200 | [diff] [blame] | 19 | unsigned long 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 | |
| 104 | dprint(FD_RANDOM, "off rand %llu\n", r); |
| 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 | |
| 128 | dprint(FD_RANDOM, "get_next_rand_offset: offset %llu busy\n", *b); |
| 129 | |
Jens Axboe | 7ebd796 | 2012-11-28 21:24:46 +0100 | [diff] [blame] | 130 | *b = axmap_next_free(f->io_axmap, *b); |
Jens Axboe | 51ede0b | 2012-11-22 13:50:29 +0100 | [diff] [blame] | 131 | if (*b == (uint64_t) -1ULL) |
| 132 | return 1; |
Jens Axboe | 0ce8b11 | 2011-01-27 22:25:29 +0100 | [diff] [blame] | 133 | ret: |
| 134 | return 0; |
Jens Axboe | ec4015d | 2007-03-23 08:04:27 +0100 | [diff] [blame] | 135 | } |
| 136 | |
Jens Axboe | 925fee3 | 2012-11-06 13:50:32 +0100 | [diff] [blame] | 137 | static int __get_next_rand_offset_zipf(struct thread_data *td, |
| 138 | struct fio_file *f, enum fio_ddir ddir, |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame^] | 139 | uint64_t *b) |
Jens Axboe | e25839d | 2012-11-06 10:49:42 +0100 | [diff] [blame] | 140 | { |
Jens Axboe | 9c6f631 | 2012-11-07 09:15:45 +0100 | [diff] [blame] | 141 | *b = zipf_next(&f->zipf); |
Jens Axboe | e25839d | 2012-11-06 10:49:42 +0100 | [diff] [blame] | 142 | return 0; |
| 143 | } |
| 144 | |
Jens Axboe | 925fee3 | 2012-11-06 13:50:32 +0100 | [diff] [blame] | 145 | static int __get_next_rand_offset_pareto(struct thread_data *td, |
| 146 | struct fio_file *f, enum fio_ddir ddir, |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame^] | 147 | uint64_t *b) |
Jens Axboe | 925fee3 | 2012-11-06 13:50:32 +0100 | [diff] [blame] | 148 | { |
Jens Axboe | 9c6f631 | 2012-11-07 09:15:45 +0100 | [diff] [blame] | 149 | *b = pareto_next(&f->zipf); |
Jens Axboe | 925fee3 | 2012-11-06 13:50:32 +0100 | [diff] [blame] | 150 | return 0; |
| 151 | } |
| 152 | |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame^] | 153 | static int flist_cmp(void *data, struct flist_head *a, struct flist_head *b) |
| 154 | { |
| 155 | struct rand_off *r1 = flist_entry(a, struct rand_off, list); |
| 156 | struct rand_off *r2 = flist_entry(b, struct rand_off, list); |
| 157 | |
| 158 | return r1->off - r2->off; |
| 159 | } |
| 160 | |
| 161 | static int get_off_from_method(struct thread_data *td, struct fio_file *f, |
| 162 | enum fio_ddir ddir, uint64_t *b) |
Jens Axboe | e25839d | 2012-11-06 10:49:42 +0100 | [diff] [blame] | 163 | { |
| 164 | if (td->o.random_distribution == FIO_RAND_DIST_RANDOM) |
| 165 | return __get_next_rand_offset(td, f, ddir, b); |
| 166 | else if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) |
| 167 | return __get_next_rand_offset_zipf(td, f, ddir, b); |
Jens Axboe | 925fee3 | 2012-11-06 13:50:32 +0100 | [diff] [blame] | 168 | else if (td->o.random_distribution == FIO_RAND_DIST_PARETO) |
| 169 | return __get_next_rand_offset_pareto(td, f, ddir, b); |
Jens Axboe | e25839d | 2012-11-06 10:49:42 +0100 | [diff] [blame] | 170 | |
| 171 | log_err("fio: unknown random distribution: %d\n", td->o.random_distribution); |
| 172 | return 1; |
| 173 | } |
| 174 | |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame^] | 175 | static int get_next_rand_offset(struct thread_data *td, struct fio_file *f, |
| 176 | enum fio_ddir ddir, uint64_t *b) |
| 177 | { |
| 178 | struct rand_off *r; |
| 179 | int i, ret = 1; |
| 180 | |
| 181 | /* |
| 182 | * If sort not enabled, or not a pure random read workload without |
| 183 | * any stored write metadata, just return a random offset |
| 184 | */ |
| 185 | if (!td->o.verifysort_nr || !(ddir == READ && td->o.do_verify && |
| 186 | td->o.verify != VERIFY_NONE && td_random(td))) |
| 187 | return get_off_from_method(td, f, ddir, b); |
| 188 | |
| 189 | if (!flist_empty(&td->next_rand_list)) { |
| 190 | struct rand_off *r; |
| 191 | fetch: |
| 192 | r = flist_entry(td->next_rand_list.next, struct rand_off, list); |
| 193 | flist_del(&r->list); |
| 194 | *b = r->off; |
| 195 | free(r); |
| 196 | return 0; |
| 197 | } |
| 198 | |
| 199 | for (i = 0; i < td->o.verifysort_nr; i++) { |
| 200 | r = malloc(sizeof(*r)); |
| 201 | |
| 202 | ret = get_off_from_method(td, f, ddir, &r->off); |
| 203 | if (ret) { |
| 204 | free(r); |
| 205 | break; |
| 206 | } |
| 207 | |
| 208 | flist_add(&r->list, &td->next_rand_list); |
| 209 | } |
| 210 | |
| 211 | if (ret && !i) |
| 212 | return ret; |
| 213 | |
| 214 | assert(!flist_empty(&td->next_rand_list)); |
| 215 | flist_sort(NULL, &td->next_rand_list, flist_cmp); |
| 216 | goto fetch; |
| 217 | } |
| 218 | |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 219 | 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^] | 220 | enum fio_ddir ddir, uint64_t *b) |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 221 | { |
Daniel Ehrenberg | c04e466 | 2012-03-16 18:54:15 +0100 | [diff] [blame] | 222 | if (!get_next_rand_offset(td, f, ddir, b)) |
| 223 | return 0; |
| 224 | |
| 225 | if (td->o.time_based) { |
| 226 | fio_file_reset(f); |
| 227 | if (!get_next_rand_offset(td, f, ddir, b)) |
| 228 | return 0; |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 229 | } |
| 230 | |
Daniel Ehrenberg | c04e466 | 2012-03-16 18:54:15 +0100 | [diff] [blame] | 231 | dprint(FD_IO, "%s: rand offset failed, last=%llu, size=%llu\n", |
| 232 | f->file_name, f->last_pos, f->real_file_size); |
| 233 | return 1; |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 234 | } |
| 235 | |
Jens Axboe | 37cf9e3 | 2012-03-17 12:54:30 +0100 | [diff] [blame] | 236 | 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^] | 237 | enum fio_ddir ddir, uint64_t *offset) |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 238 | { |
Jens Axboe | ff58fce | 2010-08-25 12:02:08 +0200 | [diff] [blame] | 239 | assert(ddir_rw(ddir)); |
| 240 | |
Dan Ehrenberg | ce95d65 | 2012-08-16 08:58:21 +0200 | [diff] [blame] | 241 | 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] | 242 | f->last_pos = f->last_pos - f->io_size; |
| 243 | |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 244 | if (f->last_pos < f->real_file_size) { |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame^] | 245 | uint64_t pos; |
Jens Axboe | 059b080 | 2011-08-25 09:09:37 +0200 | [diff] [blame] | 246 | |
Jens Axboe | a66da7a | 2011-08-31 13:14:12 -0600 | [diff] [blame] | 247 | if (f->last_pos == f->file_offset && td->o.ddir_seq_add < 0) |
| 248 | f->last_pos = f->real_file_size; |
| 249 | |
| 250 | pos = f->last_pos - f->file_offset; |
Jens Axboe | 059b080 | 2011-08-25 09:09:37 +0200 | [diff] [blame] | 251 | if (pos) |
| 252 | pos += td->o.ddir_seq_add; |
| 253 | |
Jens Axboe | 37cf9e3 | 2012-03-17 12:54:30 +0100 | [diff] [blame] | 254 | *offset = pos; |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 255 | return 0; |
| 256 | } |
| 257 | |
| 258 | return 1; |
| 259 | } |
| 260 | |
| 261 | 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] | 262 | enum fio_ddir ddir, int rw_seq) |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 263 | { |
| 264 | struct fio_file *f = io_u->file; |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame^] | 265 | uint64_t b, offset; |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 266 | int ret; |
| 267 | |
Jens Axboe | ff58fce | 2010-08-25 12:02:08 +0200 | [diff] [blame] | 268 | assert(ddir_rw(ddir)); |
| 269 | |
Jens Axboe | 37cf9e3 | 2012-03-17 12:54:30 +0100 | [diff] [blame] | 270 | b = offset = -1ULL; |
| 271 | |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 272 | if (rw_seq) { |
| 273 | if (td_random(td)) |
Jens Axboe | 37cf9e3 | 2012-03-17 12:54:30 +0100 | [diff] [blame] | 274 | ret = get_next_rand_block(td, f, ddir, &b); |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 275 | else |
Jens Axboe | 37cf9e3 | 2012-03-17 12:54:30 +0100 | [diff] [blame] | 276 | ret = get_next_seq_offset(td, f, ddir, &offset); |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 277 | } else { |
| 278 | io_u->flags |= IO_U_F_BUSY_OK; |
| 279 | |
| 280 | if (td->o.rw_seq == RW_SEQ_SEQ) { |
Jens Axboe | 37cf9e3 | 2012-03-17 12:54:30 +0100 | [diff] [blame] | 281 | ret = get_next_seq_offset(td, f, ddir, &offset); |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 282 | if (ret) |
Jens Axboe | 37cf9e3 | 2012-03-17 12:54:30 +0100 | [diff] [blame] | 283 | ret = get_next_rand_block(td, f, ddir, &b); |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 284 | } else if (td->o.rw_seq == RW_SEQ_IDENT) { |
| 285 | if (f->last_start != -1ULL) |
Jens Axboe | 37cf9e3 | 2012-03-17 12:54:30 +0100 | [diff] [blame] | 286 | offset = f->last_start - f->file_offset; |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 287 | else |
Jens Axboe | 37cf9e3 | 2012-03-17 12:54:30 +0100 | [diff] [blame] | 288 | offset = 0; |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 289 | ret = 0; |
| 290 | } else { |
| 291 | log_err("fio: unknown rw_seq=%d\n", td->o.rw_seq); |
| 292 | ret = 1; |
| 293 | } |
| 294 | } |
| 295 | |
Jens Axboe | 37cf9e3 | 2012-03-17 12:54:30 +0100 | [diff] [blame] | 296 | if (!ret) { |
| 297 | if (offset != -1ULL) |
| 298 | io_u->offset = offset; |
| 299 | else if (b != -1ULL) |
| 300 | io_u->offset = b * td->o.ba[ddir]; |
| 301 | else { |
Jens Axboe | 51ede0b | 2012-11-22 13:50:29 +0100 | [diff] [blame] | 302 | log_err("fio: bug in offset generation: offset=%llu, b=%llu\n", |
| 303 | offset, b); |
Jens Axboe | 37cf9e3 | 2012-03-17 12:54:30 +0100 | [diff] [blame] | 304 | ret = 1; |
| 305 | } |
| 306 | } |
| 307 | |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 308 | return ret; |
| 309 | } |
| 310 | |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 311 | /* |
| 312 | * For random io, generate a random new block and see if it's used. Repeat |
| 313 | * until we find a free one. For sequential io, just return the end of |
| 314 | * the last io issued. |
| 315 | */ |
Jens Axboe | 15dc193 | 2010-03-05 10:59:06 +0100 | [diff] [blame] | 316 | 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] | 317 | { |
Jens Axboe | 9bf2061 | 2007-03-01 09:33:57 +0100 | [diff] [blame] | 318 | struct fio_file *f = io_u->file; |
Jens Axboe | 4ba6613 | 2008-02-05 10:05:50 +0100 | [diff] [blame] | 319 | enum fio_ddir ddir = io_u->ddir; |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 320 | int rw_seq_hit = 0; |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 321 | |
Jens Axboe | ff58fce | 2010-08-25 12:02:08 +0200 | [diff] [blame] | 322 | assert(ddir_rw(ddir)); |
| 323 | |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 324 | if (td->o.ddir_seq_nr && !--td->ddir_seq_nr) { |
| 325 | rw_seq_hit = 1; |
Jens Axboe | 5736c10 | 2010-07-20 12:03:25 -0600 | [diff] [blame] | 326 | td->ddir_seq_nr = td->o.ddir_seq_nr; |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 327 | } |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 328 | |
Jens Axboe | 37cf9e3 | 2012-03-17 12:54:30 +0100 | [diff] [blame] | 329 | if (get_next_block(td, io_u, ddir, rw_seq_hit)) |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 330 | return 1; |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 331 | |
Jens Axboe | 009bd84 | 2008-05-15 10:19:46 +0200 | [diff] [blame] | 332 | if (io_u->offset >= f->io_size) { |
| 333 | dprint(FD_IO, "get_next_offset: offset %llu >= io_size %llu\n", |
| 334 | io_u->offset, f->io_size); |
| 335 | return 1; |
| 336 | } |
| 337 | |
| 338 | io_u->offset += f->file_offset; |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 339 | if (io_u->offset >= f->real_file_size) { |
| 340 | dprint(FD_IO, "get_next_offset: offset %llu >= size %llu\n", |
| 341 | io_u->offset, f->real_file_size); |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 342 | return 1; |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 343 | } |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 344 | |
| 345 | return 0; |
| 346 | } |
| 347 | |
Jens Axboe | 15dc193 | 2010-03-05 10:59:06 +0100 | [diff] [blame] | 348 | static int get_next_offset(struct thread_data *td, struct io_u *io_u) |
| 349 | { |
Jens Axboe | d72be54 | 2012-11-30 19:37:46 +0100 | [diff] [blame] | 350 | if (td->flags & TD_F_PROFILE_OPS) { |
| 351 | struct prof_io_ops *ops = &td->prof_io_ops; |
Jens Axboe | 7eb3657 | 2010-03-08 13:58:49 +0100 | [diff] [blame] | 352 | |
Jens Axboe | d72be54 | 2012-11-30 19:37:46 +0100 | [diff] [blame] | 353 | if (ops->fill_io_u_off) |
| 354 | return ops->fill_io_u_off(td, io_u); |
| 355 | } |
Jens Axboe | 15dc193 | 2010-03-05 10:59:06 +0100 | [diff] [blame] | 356 | |
| 357 | return __get_next_offset(td, io_u); |
| 358 | } |
| 359 | |
Jens Axboe | 7994412 | 2011-05-24 11:26:16 +0200 | [diff] [blame] | 360 | static inline int io_u_fits(struct thread_data *td, struct io_u *io_u, |
| 361 | unsigned int buflen) |
| 362 | { |
| 363 | struct fio_file *f = io_u->file; |
| 364 | |
Dan Ehrenberg | ce95d65 | 2012-08-16 08:58:21 +0200 | [diff] [blame] | 365 | return io_u->offset + buflen <= f->io_size + get_start_offset(td); |
Jens Axboe | 7994412 | 2011-05-24 11:26:16 +0200 | [diff] [blame] | 366 | } |
| 367 | |
Jens Axboe | 15dc193 | 2010-03-05 10:59:06 +0100 | [diff] [blame] | 368 | 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] | 369 | { |
Jens Axboe | bca4ed4 | 2007-02-12 05:13:23 +0100 | [diff] [blame] | 370 | const int ddir = io_u->ddir; |
Jens Axboe | 24d23ca | 2012-11-13 08:31:24 -0700 | [diff] [blame] | 371 | unsigned int buflen = 0; |
Jens Axboe | f3059de | 2008-06-11 15:37:32 +0200 | [diff] [blame] | 372 | unsigned int minbs, maxbs; |
Jens Axboe | 1294c3e | 2011-05-11 08:15:18 +0200 | [diff] [blame] | 373 | unsigned long r, rand_max; |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 374 | |
Jens Axboe | ff58fce | 2010-08-25 12:02:08 +0200 | [diff] [blame] | 375 | assert(ddir_rw(ddir)); |
| 376 | |
Jens Axboe | f3059de | 2008-06-11 15:37:32 +0200 | [diff] [blame] | 377 | minbs = td->o.min_bs[ddir]; |
| 378 | maxbs = td->o.max_bs[ddir]; |
| 379 | |
Jens Axboe | 7994412 | 2011-05-24 11:26:16 +0200 | [diff] [blame] | 380 | if (minbs == maxbs) |
| 381 | return minbs; |
| 382 | |
Jens Axboe | 52c5802 | 2012-02-06 21:58:56 +0100 | [diff] [blame] | 383 | /* |
| 384 | * If we can't satisfy the min block size from here, then fail |
| 385 | */ |
| 386 | if (!io_u_fits(td, io_u, minbs)) |
| 387 | return 0; |
| 388 | |
Jens Axboe | 4c07ad8 | 2011-03-28 09:51:09 +0200 | [diff] [blame] | 389 | if (td->o.use_os_rand) |
| 390 | rand_max = OS_RAND_MAX; |
| 391 | else |
| 392 | rand_max = FRAND_MAX; |
| 393 | |
Jens Axboe | 7994412 | 2011-05-24 11:26:16 +0200 | [diff] [blame] | 394 | do { |
Jens Axboe | 4c07ad8 | 2011-03-28 09:51:09 +0200 | [diff] [blame] | 395 | if (td->o.use_os_rand) |
| 396 | r = os_random_long(&td->bsrange_state); |
| 397 | else |
| 398 | r = __rand(&td->__bsrange_state); |
| 399 | |
Jens Axboe | 720e84a | 2009-04-21 08:29:55 +0200 | [diff] [blame] | 400 | if (!td->o.bssplit_nr[ddir]) { |
Jens Axboe | f3059de | 2008-06-11 15:37:32 +0200 | [diff] [blame] | 401 | buflen = 1 + (unsigned int) ((double) maxbs * |
Jens Axboe | 4c07ad8 | 2011-03-28 09:51:09 +0200 | [diff] [blame] | 402 | (r / (rand_max + 1.0))); |
Jens Axboe | f3059de | 2008-06-11 15:37:32 +0200 | [diff] [blame] | 403 | if (buflen < minbs) |
| 404 | buflen = minbs; |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 405 | } else { |
Jens Axboe | 564ca97 | 2007-12-14 12:21:19 +0100 | [diff] [blame] | 406 | long perc = 0; |
| 407 | unsigned int i; |
| 408 | |
Jens Axboe | 720e84a | 2009-04-21 08:29:55 +0200 | [diff] [blame] | 409 | for (i = 0; i < td->o.bssplit_nr[ddir]; i++) { |
| 410 | struct bssplit *bsp = &td->o.bssplit[ddir][i]; |
Jens Axboe | 564ca97 | 2007-12-14 12:21:19 +0100 | [diff] [blame] | 411 | |
| 412 | buflen = bsp->bs; |
| 413 | perc += bsp->perc; |
Jens Axboe | 7994412 | 2011-05-24 11:26:16 +0200 | [diff] [blame] | 414 | if ((r <= ((rand_max / 100L) * perc)) && |
| 415 | io_u_fits(td, io_u, buflen)) |
Jens Axboe | 564ca97 | 2007-12-14 12:21:19 +0100 | [diff] [blame] | 416 | break; |
| 417 | } |
| 418 | } |
Jens Axboe | 7994412 | 2011-05-24 11:26:16 +0200 | [diff] [blame] | 419 | |
Jens Axboe | f3059de | 2008-06-11 15:37:32 +0200 | [diff] [blame] | 420 | if (!td->o.bs_unaligned && is_power_of_2(minbs)) |
| 421 | buflen = (buflen + minbs - 1) & ~(minbs - 1); |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 422 | |
Jens Axboe | 7994412 | 2011-05-24 11:26:16 +0200 | [diff] [blame] | 423 | } while (!io_u_fits(td, io_u, buflen)); |
Jens Axboe | 6a5e688 | 2007-07-26 10:47:51 +0200 | [diff] [blame] | 424 | |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 425 | return buflen; |
| 426 | } |
| 427 | |
Jens Axboe | 15dc193 | 2010-03-05 10:59:06 +0100 | [diff] [blame] | 428 | static unsigned int get_next_buflen(struct thread_data *td, struct io_u *io_u) |
| 429 | { |
Jens Axboe | d72be54 | 2012-11-30 19:37:46 +0100 | [diff] [blame] | 430 | if (td->flags & TD_F_PROFILE_OPS) { |
| 431 | struct prof_io_ops *ops = &td->prof_io_ops; |
Jens Axboe | 7eb3657 | 2010-03-08 13:58:49 +0100 | [diff] [blame] | 432 | |
Jens Axboe | d72be54 | 2012-11-30 19:37:46 +0100 | [diff] [blame] | 433 | if (ops->fill_io_u_size) |
| 434 | return ops->fill_io_u_size(td, io_u); |
| 435 | } |
Jens Axboe | 15dc193 | 2010-03-05 10:59:06 +0100 | [diff] [blame] | 436 | |
| 437 | return __get_next_buflen(td, io_u); |
| 438 | } |
| 439 | |
Jens Axboe | afe24a5 | 2007-03-16 20:27:27 +0100 | [diff] [blame] | 440 | static void set_rwmix_bytes(struct thread_data *td) |
| 441 | { |
Jens Axboe | afe24a5 | 2007-03-16 20:27:27 +0100 | [diff] [blame] | 442 | unsigned int diff; |
| 443 | |
| 444 | /* |
| 445 | * we do time or byte based switch. this is needed because |
| 446 | * buffered writes may issue a lot quicker than they complete, |
| 447 | * whereas reads do not. |
| 448 | */ |
Jens Axboe | e47f799 | 2007-03-21 14:05:39 +0100 | [diff] [blame] | 449 | diff = td->o.rwmix[td->rwmix_ddir ^ 1]; |
Jens Axboe | 04c540d | 2008-05-28 10:35:26 +0200 | [diff] [blame] | 450 | td->rwmix_issues = (td->io_issues[td->rwmix_ddir] * diff) / 100; |
Jens Axboe | e47f799 | 2007-03-21 14:05:39 +0100 | [diff] [blame] | 451 | } |
| 452 | |
| 453 | static inline enum fio_ddir get_rand_ddir(struct thread_data *td) |
| 454 | { |
| 455 | unsigned int v; |
Jens Axboe | 1294c3e | 2011-05-11 08:15:18 +0200 | [diff] [blame] | 456 | unsigned long r; |
Jens Axboe | e47f799 | 2007-03-21 14:05:39 +0100 | [diff] [blame] | 457 | |
Jens Axboe | 4c07ad8 | 2011-03-28 09:51:09 +0200 | [diff] [blame] | 458 | if (td->o.use_os_rand) { |
| 459 | r = os_random_long(&td->rwmix_state); |
| 460 | v = 1 + (int) (100.0 * (r / (OS_RAND_MAX + 1.0))); |
| 461 | } else { |
| 462 | r = __rand(&td->__rwmix_state); |
| 463 | v = 1 + (int) (100.0 * (r / (FRAND_MAX + 1.0))); |
| 464 | } |
| 465 | |
Jens Axboe | 04c540d | 2008-05-28 10:35:26 +0200 | [diff] [blame] | 466 | if (v <= td->o.rwmix[DDIR_READ]) |
Jens Axboe | e47f799 | 2007-03-21 14:05:39 +0100 | [diff] [blame] | 467 | return DDIR_READ; |
| 468 | |
| 469 | return DDIR_WRITE; |
Jens Axboe | afe24a5 | 2007-03-16 20:27:27 +0100 | [diff] [blame] | 470 | } |
| 471 | |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 472 | static enum fio_ddir rate_ddir(struct thread_data *td, enum fio_ddir ddir) |
| 473 | { |
| 474 | enum fio_ddir odir = ddir ^ 1; |
| 475 | struct timeval t; |
| 476 | long usec; |
| 477 | |
Jens Axboe | ff58fce | 2010-08-25 12:02:08 +0200 | [diff] [blame] | 478 | assert(ddir_rw(ddir)); |
| 479 | |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 480 | if (td->rate_pending_usleep[ddir] <= 0) |
| 481 | return ddir; |
| 482 | |
| 483 | /* |
| 484 | * We have too much pending sleep in this direction. See if we |
| 485 | * should switch. |
| 486 | */ |
| 487 | if (td_rw(td)) { |
| 488 | /* |
| 489 | * Other direction does not have too much pending, switch |
| 490 | */ |
| 491 | if (td->rate_pending_usleep[odir] < 100000) |
| 492 | return odir; |
| 493 | |
| 494 | /* |
| 495 | * Both directions have pending sleep. Sleep the minimum time |
| 496 | * and deduct from both. |
| 497 | */ |
| 498 | if (td->rate_pending_usleep[ddir] <= |
| 499 | td->rate_pending_usleep[odir]) { |
| 500 | usec = td->rate_pending_usleep[ddir]; |
| 501 | } else { |
| 502 | usec = td->rate_pending_usleep[odir]; |
| 503 | ddir = odir; |
| 504 | } |
| 505 | } else |
| 506 | usec = td->rate_pending_usleep[ddir]; |
| 507 | |
Jens Axboe | 78c1eda | 2011-08-30 15:34:14 -0600 | [diff] [blame] | 508 | /* |
| 509 | * We are going to sleep, ensure that we flush anything pending as |
Ryan Marchand | 422f9e4 | 2012-01-31 14:05:32 +0100 | [diff] [blame] | 510 | * not to skew our latency numbers. |
| 511 | * |
| 512 | * Changed to only monitor 'in flight' requests here instead of the |
| 513 | * td->cur_depth, b/c td->cur_depth does not accurately represent |
| 514 | * io's that have been actually submitted to an async engine, |
| 515 | * and cur_depth is meaningless for sync engines. |
Jens Axboe | 78c1eda | 2011-08-30 15:34:14 -0600 | [diff] [blame] | 516 | */ |
Ryan Marchand | 422f9e4 | 2012-01-31 14:05:32 +0100 | [diff] [blame] | 517 | if (td->io_u_in_flight) { |
Jens Axboe | 78c1eda | 2011-08-30 15:34:14 -0600 | [diff] [blame] | 518 | int fio_unused ret; |
| 519 | |
Ryan Marchand | 422f9e4 | 2012-01-31 14:05:32 +0100 | [diff] [blame] | 520 | ret = io_u_queued_complete(td, td->io_u_in_flight, NULL); |
Jens Axboe | 78c1eda | 2011-08-30 15:34:14 -0600 | [diff] [blame] | 521 | } |
| 522 | |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 523 | fio_gettime(&t, NULL); |
| 524 | usec_sleep(td, usec); |
| 525 | usec = utime_since_now(&t); |
| 526 | |
| 527 | td->rate_pending_usleep[ddir] -= usec; |
| 528 | |
| 529 | odir = ddir ^ 1; |
| 530 | if (td_rw(td) && __should_check_rate(td, odir)) |
| 531 | td->rate_pending_usleep[odir] -= usec; |
Jens Axboe | 0b9d69e | 2009-09-11 22:29:54 +0200 | [diff] [blame] | 532 | |
Shaohua Li | 6eaf09d | 2012-09-14 08:49:43 +0200 | [diff] [blame] | 533 | if (ddir_trim(ddir)) |
| 534 | return ddir; |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 535 | return ddir; |
| 536 | } |
| 537 | |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 538 | /* |
| 539 | * Return the data direction for the next io_u. If the job is a |
| 540 | * mixed read/write workload, check the rwmix cycle and switch if |
| 541 | * necessary. |
| 542 | */ |
Jens Axboe | 1e97cce | 2006-12-05 11:44:16 +0100 | [diff] [blame] | 543 | static enum fio_ddir get_rw_ddir(struct thread_data *td) |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 544 | { |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 545 | enum fio_ddir ddir; |
| 546 | |
Jens Axboe | 5f9099e | 2009-06-16 22:40:26 +0200 | [diff] [blame] | 547 | /* |
| 548 | * see if it's time to fsync |
| 549 | */ |
| 550 | if (td->o.fsync_blocks && |
| 551 | !(td->io_issues[DDIR_WRITE] % td->o.fsync_blocks) && |
| 552 | td->io_issues[DDIR_WRITE] && should_fsync(td)) |
| 553 | return DDIR_SYNC; |
| 554 | |
| 555 | /* |
| 556 | * see if it's time to fdatasync |
| 557 | */ |
| 558 | if (td->o.fdatasync_blocks && |
| 559 | !(td->io_issues[DDIR_WRITE] % td->o.fdatasync_blocks) && |
| 560 | td->io_issues[DDIR_WRITE] && should_fsync(td)) |
| 561 | return DDIR_DATASYNC; |
| 562 | |
Jens Axboe | 44f2969 | 2010-03-09 20:09:44 +0100 | [diff] [blame] | 563 | /* |
| 564 | * see if it's time to sync_file_range |
| 565 | */ |
| 566 | if (td->sync_file_range_nr && |
| 567 | !(td->io_issues[DDIR_WRITE] % td->sync_file_range_nr) && |
| 568 | td->io_issues[DDIR_WRITE] && should_fsync(td)) |
| 569 | return DDIR_SYNC_FILE_RANGE; |
| 570 | |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 571 | if (td_rw(td)) { |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 572 | /* |
| 573 | * Check if it's time to seed a new data direction. |
| 574 | */ |
Jens Axboe | e492866 | 2008-04-07 09:19:46 +0200 | [diff] [blame] | 575 | if (td->io_issues[td->rwmix_ddir] >= td->rwmix_issues) { |
Jens Axboe | e47f799 | 2007-03-21 14:05:39 +0100 | [diff] [blame] | 576 | /* |
| 577 | * Put a top limit on how many bytes we do for |
| 578 | * one data direction, to avoid overflowing the |
| 579 | * ranges too much |
| 580 | */ |
| 581 | ddir = get_rand_ddir(td); |
Jens Axboe | e47f799 | 2007-03-21 14:05:39 +0100 | [diff] [blame] | 582 | |
| 583 | if (ddir != td->rwmix_ddir) |
| 584 | set_rwmix_bytes(td); |
| 585 | |
| 586 | td->rwmix_ddir = ddir; |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 587 | } |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 588 | ddir = td->rwmix_ddir; |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 589 | } else if (td_read(td)) |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 590 | ddir = DDIR_READ; |
Shaohua Li | 6eaf09d | 2012-09-14 08:49:43 +0200 | [diff] [blame] | 591 | else if (td_write(td)) |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 592 | ddir = DDIR_WRITE; |
Shaohua Li | 6eaf09d | 2012-09-14 08:49:43 +0200 | [diff] [blame] | 593 | else |
| 594 | ddir = DDIR_TRIM; |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 595 | |
| 596 | td->rwmix_ddir = rate_ddir(td, ddir); |
| 597 | return td->rwmix_ddir; |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 598 | } |
| 599 | |
Jens Axboe | 1ef2b6b | 2010-10-08 15:07:01 +0200 | [diff] [blame] | 600 | static void set_rw_ddir(struct thread_data *td, struct io_u *io_u) |
| 601 | { |
| 602 | io_u->ddir = get_rw_ddir(td); |
| 603 | |
| 604 | if (io_u->ddir == DDIR_WRITE && (td->io_ops->flags & FIO_BARRIER) && |
| 605 | td->o.barrier_blocks && |
| 606 | !(td->io_issues[DDIR_WRITE] % td->o.barrier_blocks) && |
| 607 | td->io_issues[DDIR_WRITE]) |
| 608 | io_u->flags |= IO_U_F_BARRIER; |
| 609 | } |
| 610 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 611 | void put_file_log(struct thread_data *td, struct fio_file *f) |
Jens Axboe | 60f2c65 | 2008-05-16 12:31:36 +0200 | [diff] [blame] | 612 | { |
| 613 | int ret = put_file(td, f); |
| 614 | |
| 615 | if (ret) |
| 616 | td_verror(td, ret, "file close"); |
| 617 | } |
| 618 | |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 619 | void put_io_u(struct thread_data *td, struct io_u *io_u) |
| 620 | { |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 621 | td_io_u_lock(td); |
| 622 | |
Steven Lang | d7ee2a7 | 2011-10-26 09:46:50 +0200 | [diff] [blame] | 623 | if (io_u->file && !(io_u->flags & IO_U_F_FREE_DEF)) |
Jens Axboe | 60f2c65 | 2008-05-16 12:31:36 +0200 | [diff] [blame] | 624 | put_file_log(td, io_u->file); |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 625 | io_u->file = NULL; |
Steven Lang | d7ee2a7 | 2011-10-26 09:46:50 +0200 | [diff] [blame] | 626 | io_u->flags &= ~IO_U_F_FREE_DEF; |
| 627 | io_u->flags |= IO_U_F_FREE; |
| 628 | |
Radha Ramachandran | 0c41214 | 2009-11-03 21:45:31 +0100 | [diff] [blame] | 629 | if (io_u->flags & IO_U_F_IN_CUR_DEPTH) |
| 630 | td->cur_depth--; |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 631 | flist_del_init(&io_u->list); |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 632 | flist_add(&io_u->list, &td->io_u_freelist); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 633 | td_io_u_unlock(td); |
| 634 | td_io_u_free_notify(td); |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 635 | } |
| 636 | |
Radha Ramachandran | f2bba18 | 2009-06-15 08:40:16 +0200 | [diff] [blame] | 637 | void clear_io_u(struct thread_data *td, struct io_u *io_u) |
| 638 | { |
| 639 | io_u->flags &= ~IO_U_F_FLIGHT; |
| 640 | put_io_u(td, io_u); |
| 641 | } |
| 642 | |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 643 | void requeue_io_u(struct thread_data *td, struct io_u **io_u) |
| 644 | { |
| 645 | struct io_u *__io_u = *io_u; |
| 646 | |
Jens Axboe | 465221b | 2008-05-30 22:07:49 +0200 | [diff] [blame] | 647 | dprint(FD_IO, "requeue %p\n", __io_u); |
| 648 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 649 | td_io_u_lock(td); |
| 650 | |
Jens Axboe | 4d2e0f4 | 2007-02-24 13:31:57 +0100 | [diff] [blame] | 651 | __io_u->flags |= IO_U_F_FREE; |
Jens Axboe | ff58fce | 2010-08-25 12:02:08 +0200 | [diff] [blame] | 652 | if ((__io_u->flags & IO_U_F_FLIGHT) && ddir_rw(__io_u->ddir)) |
Jens Axboe | e4f54ad | 2008-02-04 10:56:07 +0100 | [diff] [blame] | 653 | td->io_issues[__io_u->ddir]--; |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 654 | |
Jens Axboe | 4d2e0f4 | 2007-02-24 13:31:57 +0100 | [diff] [blame] | 655 | __io_u->flags &= ~IO_U_F_FLIGHT; |
Radha Ramachandran | 0c41214 | 2009-11-03 21:45:31 +0100 | [diff] [blame] | 656 | if (__io_u->flags & IO_U_F_IN_CUR_DEPTH) |
| 657 | td->cur_depth--; |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 658 | flist_del(&__io_u->list); |
| 659 | flist_add_tail(&__io_u->list, &td->io_u_requeues); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 660 | td_io_u_unlock(td); |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 661 | *io_u = NULL; |
| 662 | } |
| 663 | |
Jens Axboe | 9bf2061 | 2007-03-01 09:33:57 +0100 | [diff] [blame] | 664 | 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] | 665 | { |
Jens Axboe | b4c5e1a | 2007-10-25 18:44:45 +0200 | [diff] [blame] | 666 | if (td->io_ops->flags & FIO_NOIO) |
| 667 | goto out; |
| 668 | |
Jens Axboe | 1ef2b6b | 2010-10-08 15:07:01 +0200 | [diff] [blame] | 669 | set_rw_ddir(td, io_u); |
Jens Axboe | a00735e | 2006-11-03 08:58:08 +0100 | [diff] [blame] | 670 | |
Jens Axboe | 87dc1ab | 2006-10-24 14:41:26 +0200 | [diff] [blame] | 671 | /* |
Jens Axboe | ff58fce | 2010-08-25 12:02:08 +0200 | [diff] [blame] | 672 | * fsync() or fdatasync() or trim etc, we are done |
Jens Axboe | 5f9099e | 2009-06-16 22:40:26 +0200 | [diff] [blame] | 673 | */ |
Jens Axboe | ff58fce | 2010-08-25 12:02:08 +0200 | [diff] [blame] | 674 | if (!ddir_rw(io_u->ddir)) |
Jens Axboe | 5f9099e | 2009-06-16 22:40:26 +0200 | [diff] [blame] | 675 | goto out; |
| 676 | |
| 677 | /* |
Jens Axboe | 48f5abd | 2007-07-20 13:25:04 +0200 | [diff] [blame] | 678 | * See if it's time to switch to a new zone |
| 679 | */ |
Jens Axboe | 13af05a | 2012-02-11 09:04:02 +0100 | [diff] [blame] | 680 | if (td->zone_bytes >= td->o.zone_size && td->o.zone_skip) { |
Jens Axboe | 48f5abd | 2007-07-20 13:25:04 +0200 | [diff] [blame] | 681 | td->zone_bytes = 0; |
Steven Noonan | ed33585 | 2012-01-31 13:58:00 +0100 | [diff] [blame] | 682 | io_u->file->file_offset += td->o.zone_range + td->o.zone_skip; |
| 683 | io_u->file->last_pos = io_u->file->file_offset; |
Jens Axboe | 48f5abd | 2007-07-20 13:25:04 +0200 | [diff] [blame] | 684 | td->io_skip_bytes += td->o.zone_skip; |
| 685 | } |
| 686 | |
| 687 | /* |
Jens Axboe | c685b5b | 2007-02-10 20:02:28 +0100 | [diff] [blame] | 688 | * No log, let the seq/rand engine retrieve the next buflen and |
| 689 | * position. |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 690 | */ |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 691 | if (get_next_offset(td, io_u)) { |
| 692 | dprint(FD_IO, "io_u %p, failed getting offset\n", io_u); |
Jens Axboe | bca4ed4 | 2007-02-12 05:13:23 +0100 | [diff] [blame] | 693 | return 1; |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 694 | } |
Jens Axboe | c685b5b | 2007-02-10 20:02:28 +0100 | [diff] [blame] | 695 | |
Jens Axboe | 9bf2061 | 2007-03-01 09:33:57 +0100 | [diff] [blame] | 696 | io_u->buflen = get_next_buflen(td, io_u); |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 697 | if (!io_u->buflen) { |
| 698 | dprint(FD_IO, "io_u %p, failed getting buflen\n", io_u); |
Jens Axboe | bca4ed4 | 2007-02-12 05:13:23 +0100 | [diff] [blame] | 699 | return 1; |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 700 | } |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 701 | |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 702 | if (io_u->offset + io_u->buflen > io_u->file->real_file_size) { |
| 703 | dprint(FD_IO, "io_u %p, offset too large\n", io_u); |
Jens Axboe | 4ba6613 | 2008-02-05 10:05:50 +0100 | [diff] [blame] | 704 | dprint(FD_IO, " off=%llu/%lu > %llu\n", io_u->offset, |
| 705 | io_u->buflen, io_u->file->real_file_size); |
Jens Axboe | 6a5e688 | 2007-07-26 10:47:51 +0200 | [diff] [blame] | 706 | return 1; |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 707 | } |
Jens Axboe | 6a5e688 | 2007-07-26 10:47:51 +0200 | [diff] [blame] | 708 | |
Jens Axboe | bca4ed4 | 2007-02-12 05:13:23 +0100 | [diff] [blame] | 709 | /* |
| 710 | * mark entry before potentially trimming io_u |
| 711 | */ |
Jens Axboe | 303032a | 2008-03-26 10:11:10 +0100 | [diff] [blame] | 712 | if (td_random(td) && file_randommap(td, io_u->file)) |
Jens Axboe | 9bf2061 | 2007-03-01 09:33:57 +0100 | [diff] [blame] | 713 | mark_random_map(td, io_u); |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 714 | |
Jens Axboe | bca4ed4 | 2007-02-12 05:13:23 +0100 | [diff] [blame] | 715 | /* |
| 716 | * If using a write iolog, store this entry. |
| 717 | */ |
Jens Axboe | c38e946 | 2007-03-27 08:48:48 +0200 | [diff] [blame] | 718 | out: |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 719 | dprint_io_u(io_u, "fill_io_u"); |
Jens Axboe | d9d91e3 | 2008-01-31 13:25:42 +0100 | [diff] [blame] | 720 | td->zone_bytes += io_u->buflen; |
Jens Axboe | f29b25a | 2007-07-23 08:56:43 +0200 | [diff] [blame] | 721 | log_io_u(td, io_u); |
Jens Axboe | bca4ed4 | 2007-02-12 05:13:23 +0100 | [diff] [blame] | 722 | return 0; |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 723 | } |
| 724 | |
Jens Axboe | 838bc70 | 2008-05-22 13:08:23 +0200 | [diff] [blame] | 725 | static void __io_u_mark_map(unsigned int *map, unsigned int nr) |
| 726 | { |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 727 | int idx = 0; |
Jens Axboe | 838bc70 | 2008-05-22 13:08:23 +0200 | [diff] [blame] | 728 | |
| 729 | switch (nr) { |
| 730 | default: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 731 | idx = 6; |
Jens Axboe | 838bc70 | 2008-05-22 13:08:23 +0200 | [diff] [blame] | 732 | break; |
| 733 | case 33 ... 64: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 734 | idx = 5; |
Jens Axboe | 838bc70 | 2008-05-22 13:08:23 +0200 | [diff] [blame] | 735 | break; |
| 736 | case 17 ... 32: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 737 | idx = 4; |
Jens Axboe | 838bc70 | 2008-05-22 13:08:23 +0200 | [diff] [blame] | 738 | break; |
| 739 | case 9 ... 16: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 740 | idx = 3; |
Jens Axboe | 838bc70 | 2008-05-22 13:08:23 +0200 | [diff] [blame] | 741 | break; |
| 742 | case 5 ... 8: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 743 | idx = 2; |
Jens Axboe | 838bc70 | 2008-05-22 13:08:23 +0200 | [diff] [blame] | 744 | break; |
| 745 | case 1 ... 4: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 746 | idx = 1; |
Jens Axboe | 838bc70 | 2008-05-22 13:08:23 +0200 | [diff] [blame] | 747 | case 0: |
| 748 | break; |
| 749 | } |
| 750 | |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 751 | map[idx]++; |
Jens Axboe | 838bc70 | 2008-05-22 13:08:23 +0200 | [diff] [blame] | 752 | } |
| 753 | |
| 754 | void io_u_mark_submit(struct thread_data *td, unsigned int nr) |
| 755 | { |
| 756 | __io_u_mark_map(td->ts.io_u_submit, nr); |
| 757 | td->ts.total_submit++; |
| 758 | } |
| 759 | |
| 760 | void io_u_mark_complete(struct thread_data *td, unsigned int nr) |
| 761 | { |
| 762 | __io_u_mark_map(td->ts.io_u_complete, nr); |
| 763 | td->ts.total_complete++; |
| 764 | } |
| 765 | |
Jens Axboe | d800575 | 2008-05-15 09:49:09 +0200 | [diff] [blame] | 766 | void io_u_mark_depth(struct thread_data *td, unsigned int nr) |
Jens Axboe | 71619dc | 2007-01-13 23:56:33 +0100 | [diff] [blame] | 767 | { |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 768 | int idx = 0; |
Jens Axboe | 71619dc | 2007-01-13 23:56:33 +0100 | [diff] [blame] | 769 | |
| 770 | switch (td->cur_depth) { |
| 771 | default: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 772 | idx = 6; |
Jens Axboe | a783e61 | 2007-06-19 09:50:28 +0200 | [diff] [blame] | 773 | break; |
Jens Axboe | 71619dc | 2007-01-13 23:56:33 +0100 | [diff] [blame] | 774 | case 32 ... 63: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 775 | idx = 5; |
Jens Axboe | a783e61 | 2007-06-19 09:50:28 +0200 | [diff] [blame] | 776 | break; |
Jens Axboe | 71619dc | 2007-01-13 23:56:33 +0100 | [diff] [blame] | 777 | case 16 ... 31: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 778 | idx = 4; |
Jens Axboe | a783e61 | 2007-06-19 09:50:28 +0200 | [diff] [blame] | 779 | break; |
Jens Axboe | 71619dc | 2007-01-13 23:56:33 +0100 | [diff] [blame] | 780 | case 8 ... 15: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 781 | idx = 3; |
Jens Axboe | a783e61 | 2007-06-19 09:50:28 +0200 | [diff] [blame] | 782 | break; |
Jens Axboe | 71619dc | 2007-01-13 23:56:33 +0100 | [diff] [blame] | 783 | case 4 ... 7: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 784 | idx = 2; |
Jens Axboe | a783e61 | 2007-06-19 09:50:28 +0200 | [diff] [blame] | 785 | break; |
Jens Axboe | 71619dc | 2007-01-13 23:56:33 +0100 | [diff] [blame] | 786 | case 2 ... 3: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 787 | idx = 1; |
Jens Axboe | 71619dc | 2007-01-13 23:56:33 +0100 | [diff] [blame] | 788 | case 1: |
| 789 | break; |
| 790 | } |
| 791 | |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 792 | td->ts.io_u_map[idx] += nr; |
Jens Axboe | 71619dc | 2007-01-13 23:56:33 +0100 | [diff] [blame] | 793 | } |
| 794 | |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 795 | static void io_u_mark_lat_usec(struct thread_data *td, unsigned long usec) |
| 796 | { |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 797 | int idx = 0; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 798 | |
| 799 | assert(usec < 1000); |
| 800 | |
| 801 | switch (usec) { |
| 802 | case 750 ... 999: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 803 | idx = 9; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 804 | break; |
| 805 | case 500 ... 749: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 806 | idx = 8; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 807 | break; |
| 808 | case 250 ... 499: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 809 | idx = 7; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 810 | break; |
| 811 | case 100 ... 249: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 812 | idx = 6; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 813 | break; |
| 814 | case 50 ... 99: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 815 | idx = 5; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 816 | break; |
| 817 | case 20 ... 49: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 818 | idx = 4; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 819 | break; |
| 820 | case 10 ... 19: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 821 | idx = 3; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 822 | break; |
| 823 | case 4 ... 9: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 824 | idx = 2; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 825 | break; |
| 826 | case 2 ... 3: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 827 | idx = 1; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 828 | case 0 ... 1: |
| 829 | break; |
| 830 | } |
| 831 | |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 832 | assert(idx < FIO_IO_U_LAT_U_NR); |
| 833 | td->ts.io_u_lat_u[idx]++; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 834 | } |
| 835 | |
| 836 | 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] | 837 | { |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 838 | int idx = 0; |
Jens Axboe | ec11830 | 2007-02-17 04:38:20 +0100 | [diff] [blame] | 839 | |
| 840 | switch (msec) { |
| 841 | default: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 842 | idx = 11; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 843 | break; |
Jens Axboe | 8abdce6 | 2007-02-21 10:22:55 +0100 | [diff] [blame] | 844 | case 1000 ... 1999: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 845 | idx = 10; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 846 | break; |
Jens Axboe | 8abdce6 | 2007-02-21 10:22:55 +0100 | [diff] [blame] | 847 | case 750 ... 999: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 848 | idx = 9; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 849 | break; |
Jens Axboe | 8abdce6 | 2007-02-21 10:22:55 +0100 | [diff] [blame] | 850 | case 500 ... 749: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 851 | idx = 8; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 852 | break; |
Jens Axboe | 8abdce6 | 2007-02-21 10:22:55 +0100 | [diff] [blame] | 853 | case 250 ... 499: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 854 | idx = 7; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 855 | break; |
Jens Axboe | 8abdce6 | 2007-02-21 10:22:55 +0100 | [diff] [blame] | 856 | case 100 ... 249: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 857 | idx = 6; |
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 50 ... 99: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 860 | idx = 5; |
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 20 ... 49: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 863 | idx = 4; |
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 10 ... 19: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 866 | idx = 3; |
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 4 ... 9: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 869 | idx = 2; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 870 | break; |
Jens Axboe | ec11830 | 2007-02-17 04:38:20 +0100 | [diff] [blame] | 871 | case 2 ... 3: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 872 | idx = 1; |
Jens Axboe | ec11830 | 2007-02-17 04:38:20 +0100 | [diff] [blame] | 873 | case 0 ... 1: |
| 874 | break; |
| 875 | } |
| 876 | |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 877 | assert(idx < FIO_IO_U_LAT_M_NR); |
| 878 | td->ts.io_u_lat_m[idx]++; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 879 | } |
| 880 | |
| 881 | static void io_u_mark_latency(struct thread_data *td, unsigned long usec) |
| 882 | { |
| 883 | if (usec < 1000) |
| 884 | io_u_mark_lat_usec(td, usec); |
| 885 | else |
| 886 | io_u_mark_lat_msec(td, usec / 1000); |
Jens Axboe | ec11830 | 2007-02-17 04:38:20 +0100 | [diff] [blame] | 887 | } |
| 888 | |
Jens Axboe | 0aabe16 | 2007-02-23 08:45:55 +0100 | [diff] [blame] | 889 | /* |
| 890 | * Get next file to service by choosing one at random |
| 891 | */ |
Jens Axboe | 2cc5293 | 2009-06-09 14:14:20 +0200 | [diff] [blame] | 892 | static struct fio_file *get_next_file_rand(struct thread_data *td, |
| 893 | enum fio_file_flags goodf, |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 894 | enum fio_file_flags badf) |
Jens Axboe | 0aabe16 | 2007-02-23 08:45:55 +0100 | [diff] [blame] | 895 | { |
Jens Axboe | 0aabe16 | 2007-02-23 08:45:55 +0100 | [diff] [blame] | 896 | struct fio_file *f; |
Jens Axboe | 1c17818 | 2007-03-13 13:25:18 +0100 | [diff] [blame] | 897 | int fno; |
Jens Axboe | 0aabe16 | 2007-02-23 08:45:55 +0100 | [diff] [blame] | 898 | |
| 899 | do { |
Jens Axboe | 87b1067 | 2009-03-04 09:39:47 +0100 | [diff] [blame] | 900 | int opened = 0; |
Jens Axboe | 1294c3e | 2011-05-11 08:15:18 +0200 | [diff] [blame] | 901 | unsigned long r; |
Jens Axboe | 7c83c08 | 2007-03-01 10:04:15 +0100 | [diff] [blame] | 902 | |
Jens Axboe | 4c07ad8 | 2011-03-28 09:51:09 +0200 | [diff] [blame] | 903 | if (td->o.use_os_rand) { |
| 904 | r = os_random_long(&td->next_file_state); |
| 905 | fno = (unsigned int) ((double) td->o.nr_files |
| 906 | * (r / (OS_RAND_MAX + 1.0))); |
| 907 | } else { |
| 908 | r = __rand(&td->__next_file_state); |
| 909 | fno = (unsigned int) ((double) td->o.nr_files |
| 910 | * (r / (FRAND_MAX + 1.0))); |
| 911 | } |
| 912 | |
Jens Axboe | 126d65c | 2008-03-01 18:04:31 +0100 | [diff] [blame] | 913 | f = td->files[fno]; |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 914 | if (fio_file_done(f)) |
Jens Axboe | 059e63c | 2007-03-27 20:34:47 +0200 | [diff] [blame] | 915 | continue; |
Jens Axboe | 1c17818 | 2007-03-13 13:25:18 +0100 | [diff] [blame] | 916 | |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 917 | if (!fio_file_open(f)) { |
Jens Axboe | 87b1067 | 2009-03-04 09:39:47 +0100 | [diff] [blame] | 918 | int err; |
| 919 | |
| 920 | err = td_io_open_file(td, f); |
| 921 | if (err) |
| 922 | continue; |
| 923 | opened = 1; |
| 924 | } |
| 925 | |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 926 | if ((!goodf || (f->flags & goodf)) && !(f->flags & badf)) { |
| 927 | dprint(FD_FILE, "get_next_file_rand: %p\n", f); |
Jens Axboe | 0aabe16 | 2007-02-23 08:45:55 +0100 | [diff] [blame] | 928 | return f; |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 929 | } |
Jens Axboe | 87b1067 | 2009-03-04 09:39:47 +0100 | [diff] [blame] | 930 | if (opened) |
| 931 | td_io_close_file(td, f); |
Jens Axboe | 0aabe16 | 2007-02-23 08:45:55 +0100 | [diff] [blame] | 932 | } while (1); |
| 933 | } |
| 934 | |
| 935 | /* |
| 936 | * Get next file to service by doing round robin between all available ones |
| 937 | */ |
Jens Axboe | 1c17818 | 2007-03-13 13:25:18 +0100 | [diff] [blame] | 938 | static struct fio_file *get_next_file_rr(struct thread_data *td, int goodf, |
| 939 | int badf) |
Jens Axboe | 3d7c391 | 2007-02-19 13:16:12 +0100 | [diff] [blame] | 940 | { |
| 941 | unsigned int old_next_file = td->next_file; |
| 942 | struct fio_file *f; |
| 943 | |
| 944 | do { |
Jens Axboe | 87b1067 | 2009-03-04 09:39:47 +0100 | [diff] [blame] | 945 | int opened = 0; |
| 946 | |
Jens Axboe | 126d65c | 2008-03-01 18:04:31 +0100 | [diff] [blame] | 947 | f = td->files[td->next_file]; |
Jens Axboe | 3d7c391 | 2007-02-19 13:16:12 +0100 | [diff] [blame] | 948 | |
| 949 | td->next_file++; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 950 | if (td->next_file >= td->o.nr_files) |
Jens Axboe | 3d7c391 | 2007-02-19 13:16:12 +0100 | [diff] [blame] | 951 | td->next_file = 0; |
| 952 | |
Jens Axboe | 87b1067 | 2009-03-04 09:39:47 +0100 | [diff] [blame] | 953 | 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] | 954 | if (fio_file_done(f)) { |
Jens Axboe | d5ed68e | 2007-03-28 09:33:43 +0200 | [diff] [blame] | 955 | f = NULL; |
Jens Axboe | 059e63c | 2007-03-27 20:34:47 +0200 | [diff] [blame] | 956 | continue; |
Jens Axboe | d5ed68e | 2007-03-28 09:33:43 +0200 | [diff] [blame] | 957 | } |
Jens Axboe | 059e63c | 2007-03-27 20:34:47 +0200 | [diff] [blame] | 958 | |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 959 | if (!fio_file_open(f)) { |
Jens Axboe | 87b1067 | 2009-03-04 09:39:47 +0100 | [diff] [blame] | 960 | int err; |
| 961 | |
| 962 | err = td_io_open_file(td, f); |
Jens Axboe | b5696bf | 2009-03-04 16:03:49 +0100 | [diff] [blame] | 963 | if (err) { |
| 964 | dprint(FD_FILE, "error %d on open of %s\n", |
| 965 | err, f->file_name); |
Jens Axboe | 87c27b4 | 2009-05-20 10:45:12 +0200 | [diff] [blame] | 966 | f = NULL; |
Jens Axboe | 87b1067 | 2009-03-04 09:39:47 +0100 | [diff] [blame] | 967 | continue; |
Jens Axboe | b5696bf | 2009-03-04 16:03:49 +0100 | [diff] [blame] | 968 | } |
Jens Axboe | 87b1067 | 2009-03-04 09:39:47 +0100 | [diff] [blame] | 969 | opened = 1; |
| 970 | } |
| 971 | |
Jens Axboe | 0b9d69e | 2009-09-11 22:29:54 +0200 | [diff] [blame] | 972 | dprint(FD_FILE, "goodf=%x, badf=%x, ff=%x\n", goodf, badf, |
| 973 | f->flags); |
Jens Axboe | 1c17818 | 2007-03-13 13:25:18 +0100 | [diff] [blame] | 974 | if ((!goodf || (f->flags & goodf)) && !(f->flags & badf)) |
Jens Axboe | 3d7c391 | 2007-02-19 13:16:12 +0100 | [diff] [blame] | 975 | break; |
| 976 | |
Jens Axboe | 87b1067 | 2009-03-04 09:39:47 +0100 | [diff] [blame] | 977 | if (opened) |
| 978 | td_io_close_file(td, f); |
| 979 | |
Jens Axboe | 3d7c391 | 2007-02-19 13:16:12 +0100 | [diff] [blame] | 980 | f = NULL; |
| 981 | } while (td->next_file != old_next_file); |
| 982 | |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 983 | dprint(FD_FILE, "get_next_file_rr: %p\n", f); |
Jens Axboe | 3d7c391 | 2007-02-19 13:16:12 +0100 | [diff] [blame] | 984 | return f; |
| 985 | } |
| 986 | |
Jens Axboe | 7eb3657 | 2010-03-08 13:58:49 +0100 | [diff] [blame] | 987 | static struct fio_file *__get_next_file(struct thread_data *td) |
Jens Axboe | bdb4e2e | 2007-03-01 09:54:57 +0100 | [diff] [blame] | 988 | { |
Jens Axboe | 1907dbc | 2007-03-12 11:44:28 +0100 | [diff] [blame] | 989 | struct fio_file *f; |
| 990 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 991 | assert(td->o.nr_files <= td->files_index); |
Jens Axboe | 1c17818 | 2007-03-13 13:25:18 +0100 | [diff] [blame] | 992 | |
Jens Axboe | b5696bf | 2009-03-04 16:03:49 +0100 | [diff] [blame] | 993 | if (td->nr_done_files >= td->o.nr_files) { |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 994 | dprint(FD_FILE, "get_next_file: nr_open=%d, nr_done=%d," |
| 995 | " nr_files=%d\n", td->nr_open_files, |
| 996 | td->nr_done_files, |
| 997 | td->o.nr_files); |
Jens Axboe | bdb4e2e | 2007-03-01 09:54:57 +0100 | [diff] [blame] | 998 | return NULL; |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 999 | } |
Jens Axboe | bdb4e2e | 2007-03-01 09:54:57 +0100 | [diff] [blame] | 1000 | |
Jens Axboe | 1907dbc | 2007-03-12 11:44:28 +0100 | [diff] [blame] | 1001 | f = td->file_service_file; |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 1002 | if (f && fio_file_open(f) && !fio_file_closing(f)) { |
Jens Axboe | a086c25 | 2009-03-04 08:27:37 +0100 | [diff] [blame] | 1003 | if (td->o.file_service_type == FIO_FSERVICE_SEQ) |
| 1004 | goto out; |
| 1005 | if (td->file_service_left--) |
| 1006 | goto out; |
| 1007 | } |
Jens Axboe | 1907dbc | 2007-03-12 11:44:28 +0100 | [diff] [blame] | 1008 | |
Jens Axboe | a086c25 | 2009-03-04 08:27:37 +0100 | [diff] [blame] | 1009 | if (td->o.file_service_type == FIO_FSERVICE_RR || |
| 1010 | td->o.file_service_type == FIO_FSERVICE_SEQ) |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 1011 | f = get_next_file_rr(td, FIO_FILE_open, FIO_FILE_closing); |
Jens Axboe | bdb4e2e | 2007-03-01 09:54:57 +0100 | [diff] [blame] | 1012 | else |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 1013 | f = get_next_file_rand(td, FIO_FILE_open, FIO_FILE_closing); |
Jens Axboe | 1907dbc | 2007-03-12 11:44:28 +0100 | [diff] [blame] | 1014 | |
| 1015 | td->file_service_file = f; |
| 1016 | td->file_service_left = td->file_service_nr - 1; |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 1017 | out: |
Jens Axboe | 683023e | 2009-03-04 08:41:31 +0100 | [diff] [blame] | 1018 | 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] | 1019 | return f; |
Jens Axboe | bdb4e2e | 2007-03-01 09:54:57 +0100 | [diff] [blame] | 1020 | } |
| 1021 | |
Jens Axboe | 7eb3657 | 2010-03-08 13:58:49 +0100 | [diff] [blame] | 1022 | static struct fio_file *get_next_file(struct thread_data *td) |
| 1023 | { |
Jens Axboe | d72be54 | 2012-11-30 19:37:46 +0100 | [diff] [blame] | 1024 | if (!(td->flags & TD_F_PROFILE_OPS)) { |
| 1025 | struct prof_io_ops *ops = &td->prof_io_ops; |
Jens Axboe | 7eb3657 | 2010-03-08 13:58:49 +0100 | [diff] [blame] | 1026 | |
Jens Axboe | d72be54 | 2012-11-30 19:37:46 +0100 | [diff] [blame] | 1027 | if (ops->get_next_file) |
| 1028 | return ops->get_next_file(td); |
| 1029 | } |
Jens Axboe | 7eb3657 | 2010-03-08 13:58:49 +0100 | [diff] [blame] | 1030 | |
| 1031 | return __get_next_file(td); |
| 1032 | } |
| 1033 | |
Jens Axboe | 429f667 | 2007-07-23 10:38:43 +0200 | [diff] [blame] | 1034 | static int set_io_u_file(struct thread_data *td, struct io_u *io_u) |
| 1035 | { |
| 1036 | struct fio_file *f; |
| 1037 | |
| 1038 | do { |
| 1039 | f = get_next_file(td); |
| 1040 | if (!f) |
| 1041 | return 1; |
| 1042 | |
Jens Axboe | 429f667 | 2007-07-23 10:38:43 +0200 | [diff] [blame] | 1043 | io_u->file = f; |
| 1044 | get_file(f); |
| 1045 | |
| 1046 | if (!fill_io_u(td, io_u)) |
| 1047 | break; |
| 1048 | |
Jens Axboe | b5696bf | 2009-03-04 16:03:49 +0100 | [diff] [blame] | 1049 | put_file_log(td, f); |
Jens Axboe | 429f667 | 2007-07-23 10:38:43 +0200 | [diff] [blame] | 1050 | td_io_close_file(td, f); |
Jens Axboe | b5696bf | 2009-03-04 16:03:49 +0100 | [diff] [blame] | 1051 | io_u->file = NULL; |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 1052 | fio_file_set_done(f); |
Jens Axboe | 429f667 | 2007-07-23 10:38:43 +0200 | [diff] [blame] | 1053 | td->nr_done_files++; |
Jens Axboe | 0b9d69e | 2009-09-11 22:29:54 +0200 | [diff] [blame] | 1054 | dprint(FD_FILE, "%s: is done (%d of %d)\n", f->file_name, |
| 1055 | td->nr_done_files, td->o.nr_files); |
Jens Axboe | 429f667 | 2007-07-23 10:38:43 +0200 | [diff] [blame] | 1056 | } while (1); |
| 1057 | |
| 1058 | return 0; |
| 1059 | } |
| 1060 | |
| 1061 | |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1062 | struct io_u *__get_io_u(struct thread_data *td) |
| 1063 | { |
| 1064 | struct io_u *io_u = NULL; |
| 1065 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1066 | td_io_u_lock(td); |
| 1067 | |
| 1068 | again: |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 1069 | if (!flist_empty(&td->io_u_requeues)) |
| 1070 | 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] | 1071 | else if (!queue_full(td)) { |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 1072 | 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] | 1073 | |
Jens Axboe | 6040dab | 2006-10-24 19:38:15 +0200 | [diff] [blame] | 1074 | io_u->buflen = 0; |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1075 | io_u->resid = 0; |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 1076 | io_u->file = NULL; |
Jens Axboe | d7762cf | 2007-02-23 12:34:57 +0100 | [diff] [blame] | 1077 | io_u->end_io = NULL; |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 1078 | } |
| 1079 | |
| 1080 | if (io_u) { |
Jens Axboe | 0c6e751 | 2007-02-22 11:19:39 +0100 | [diff] [blame] | 1081 | assert(io_u->flags & IO_U_F_FREE); |
Jens Axboe | 2ecc1b5 | 2009-11-04 20:58:09 +0100 | [diff] [blame] | 1082 | io_u->flags &= ~(IO_U_F_FREE | IO_U_F_FREE_DEF); |
Jens Axboe | 1ef2b6b | 2010-10-08 15:07:01 +0200 | [diff] [blame] | 1083 | io_u->flags &= ~(IO_U_F_TRIMMED | IO_U_F_BARRIER); |
Jens Axboe | 82af2a7 | 2012-03-13 13:45:58 +0100 | [diff] [blame] | 1084 | io_u->flags &= ~IO_U_F_VER_LIST; |
Jens Axboe | 0c6e751 | 2007-02-22 11:19:39 +0100 | [diff] [blame] | 1085 | |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 1086 | io_u->error = 0; |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 1087 | flist_del(&io_u->list); |
Bruce Cran | 94c6372 | 2012-10-10 08:15:58 -0600 | [diff] [blame] | 1088 | flist_add_tail(&io_u->list, &td->io_u_busylist); |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1089 | td->cur_depth++; |
Radha Ramachandran | 0c41214 | 2009-11-03 21:45:31 +0100 | [diff] [blame] | 1090 | io_u->flags |= IO_U_F_IN_CUR_DEPTH; |
Jens Axboe | 1dec3e0 | 2010-03-19 10:33:39 +0100 | [diff] [blame] | 1091 | } else if (td->o.verify_async) { |
| 1092 | /* |
| 1093 | * We ran out, wait for async verify threads to finish and |
| 1094 | * return one |
| 1095 | */ |
| 1096 | pthread_cond_wait(&td->free_cond, &td->io_u_lock); |
| 1097 | goto again; |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1098 | } |
| 1099 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1100 | td_io_u_unlock(td); |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1101 | return io_u; |
| 1102 | } |
| 1103 | |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 1104 | 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] | 1105 | { |
Jens Axboe | d72be54 | 2012-11-30 19:37:46 +0100 | [diff] [blame] | 1106 | if (!(td->flags & TD_F_TRIM_BACKLOG)) |
| 1107 | return 0; |
| 1108 | |
| 1109 | if (td->trim_entries) { |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 1110 | int get_trim = 0; |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1111 | |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 1112 | if (td->trim_batch) { |
| 1113 | td->trim_batch--; |
| 1114 | get_trim = 1; |
| 1115 | } else if (!(td->io_hist_len % td->o.trim_backlog) && |
| 1116 | td->last_ddir != DDIR_READ) { |
| 1117 | td->trim_batch = td->o.trim_batch; |
| 1118 | if (!td->trim_batch) |
| 1119 | td->trim_batch = td->o.trim_backlog; |
| 1120 | get_trim = 1; |
| 1121 | } |
| 1122 | |
| 1123 | if (get_trim && !get_next_trim(td, io_u)) |
| 1124 | return 1; |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 1125 | } |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1126 | |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 1127 | return 0; |
| 1128 | } |
| 1129 | |
| 1130 | static int check_get_verify(struct thread_data *td, struct io_u *io_u) |
| 1131 | { |
Jens Axboe | d72be54 | 2012-11-30 19:37:46 +0100 | [diff] [blame] | 1132 | if (!(td->flags & TD_F_VER_BACKLOG)) |
| 1133 | return 0; |
| 1134 | |
| 1135 | if (td->io_hist_len) { |
Jens Axboe | 9e14418 | 2010-06-15 14:25:36 +0200 | [diff] [blame] | 1136 | int get_verify = 0; |
| 1137 | |
Jens Axboe | d1ece0c | 2012-03-07 09:32:58 +0100 | [diff] [blame] | 1138 | if (td->verify_batch) |
Jens Axboe | 9e14418 | 2010-06-15 14:25:36 +0200 | [diff] [blame] | 1139 | get_verify = 1; |
Jens Axboe | d1ece0c | 2012-03-07 09:32:58 +0100 | [diff] [blame] | 1140 | else if (!(td->io_hist_len % td->o.verify_backlog) && |
Jens Axboe | 9e14418 | 2010-06-15 14:25:36 +0200 | [diff] [blame] | 1141 | td->last_ddir != DDIR_READ) { |
| 1142 | td->verify_batch = td->o.verify_batch; |
Jens Axboe | f8a75c9 | 2010-06-15 14:27:28 +0200 | [diff] [blame] | 1143 | if (!td->verify_batch) |
| 1144 | td->verify_batch = td->o.verify_backlog; |
Jens Axboe | 9e14418 | 2010-06-15 14:25:36 +0200 | [diff] [blame] | 1145 | get_verify = 1; |
| 1146 | } |
| 1147 | |
Jens Axboe | d1ece0c | 2012-03-07 09:32:58 +0100 | [diff] [blame] | 1148 | if (get_verify && !get_next_verify(td, io_u)) { |
| 1149 | td->verify_batch--; |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 1150 | return 1; |
Jens Axboe | d1ece0c | 2012-03-07 09:32:58 +0100 | [diff] [blame] | 1151 | } |
Jens Axboe | 9e14418 | 2010-06-15 14:25:36 +0200 | [diff] [blame] | 1152 | } |
| 1153 | |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 1154 | return 0; |
| 1155 | } |
| 1156 | |
| 1157 | /* |
Jens Axboe | de78976 | 2011-09-16 22:11:23 +0200 | [diff] [blame] | 1158 | * Fill offset and start time into the buffer content, to prevent too |
Jens Axboe | 23f394d | 2011-09-16 22:45:27 +0200 | [diff] [blame] | 1159 | * easy compressible data for simple de-dupe attempts. Do this for every |
| 1160 | * 512b block in the range, since that should be the smallest block size |
| 1161 | * we can expect from a device. |
Jens Axboe | de78976 | 2011-09-16 22:11:23 +0200 | [diff] [blame] | 1162 | */ |
| 1163 | static void small_content_scramble(struct io_u *io_u) |
| 1164 | { |
Jens Axboe | 23f394d | 2011-09-16 22:45:27 +0200 | [diff] [blame] | 1165 | unsigned int i, nr_blocks = io_u->buflen / 512; |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame^] | 1166 | uint64_t boffset; |
Jens Axboe | 23f394d | 2011-09-16 22:45:27 +0200 | [diff] [blame] | 1167 | unsigned int offset; |
| 1168 | void *p, *end; |
Jens Axboe | de78976 | 2011-09-16 22:11:23 +0200 | [diff] [blame] | 1169 | |
Jens Axboe | 23f394d | 2011-09-16 22:45:27 +0200 | [diff] [blame] | 1170 | if (!nr_blocks) |
| 1171 | return; |
| 1172 | |
| 1173 | p = io_u->xfer_buf; |
Jens Axboe | fba76ee | 2011-09-27 14:27:48 -0600 | [diff] [blame] | 1174 | boffset = io_u->offset; |
Jens Axboe | 81f0366 | 2012-02-02 09:20:09 +0100 | [diff] [blame] | 1175 | io_u->buf_filled_len = 0; |
Jens Axboe | fad82f7 | 2011-09-19 11:33:30 +0200 | [diff] [blame] | 1176 | |
Jens Axboe | 23f394d | 2011-09-16 22:45:27 +0200 | [diff] [blame] | 1177 | for (i = 0; i < nr_blocks; i++) { |
| 1178 | /* |
| 1179 | * Fill the byte offset into a "random" start offset of |
| 1180 | * the buffer, given by the product of the usec time |
| 1181 | * and the actual offset. |
| 1182 | */ |
Jens Axboe | fad82f7 | 2011-09-19 11:33:30 +0200 | [diff] [blame] | 1183 | offset = (io_u->start_time.tv_usec ^ boffset) & 511; |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame^] | 1184 | offset &= ~(sizeof(uint64_t) - 1); |
| 1185 | if (offset >= 512 - sizeof(uint64_t)) |
| 1186 | offset -= sizeof(uint64_t); |
Jens Axboe | fba76ee | 2011-09-27 14:27:48 -0600 | [diff] [blame] | 1187 | memcpy(p + offset, &boffset, sizeof(boffset)); |
Jens Axboe | 23f394d | 2011-09-16 22:45:27 +0200 | [diff] [blame] | 1188 | |
| 1189 | end = p + 512 - sizeof(io_u->start_time); |
| 1190 | memcpy(end, &io_u->start_time, sizeof(io_u->start_time)); |
| 1191 | p += 512; |
Jens Axboe | fad82f7 | 2011-09-19 11:33:30 +0200 | [diff] [blame] | 1192 | boffset += 512; |
Jens Axboe | 23f394d | 2011-09-16 22:45:27 +0200 | [diff] [blame] | 1193 | } |
Jens Axboe | de78976 | 2011-09-16 22:11:23 +0200 | [diff] [blame] | 1194 | } |
| 1195 | |
| 1196 | /* |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 1197 | * Return an io_u to be processed. Gets a buflen and offset, sets direction, |
| 1198 | * etc. The returned io_u is fully ready to be prepped and submitted. |
| 1199 | */ |
| 1200 | struct io_u *get_io_u(struct thread_data *td) |
| 1201 | { |
| 1202 | struct fio_file *f; |
| 1203 | struct io_u *io_u; |
Jens Axboe | de78976 | 2011-09-16 22:11:23 +0200 | [diff] [blame] | 1204 | int do_scramble = 0; |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 1205 | |
| 1206 | io_u = __get_io_u(td); |
| 1207 | if (!io_u) { |
| 1208 | dprint(FD_IO, "__get_io_u failed\n"); |
| 1209 | return NULL; |
| 1210 | } |
| 1211 | |
| 1212 | if (check_get_verify(td, io_u)) |
| 1213 | goto out; |
| 1214 | if (check_get_trim(td, io_u)) |
| 1215 | goto out; |
| 1216 | |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 1217 | /* |
| 1218 | * from a requeue, io_u already setup |
| 1219 | */ |
| 1220 | if (io_u->file) |
Jens Axboe | 77f392b | 2007-02-19 20:13:09 +0100 | [diff] [blame] | 1221 | goto out; |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 1222 | |
Jens Axboe | 429f667 | 2007-07-23 10:38:43 +0200 | [diff] [blame] | 1223 | /* |
| 1224 | * If using an iolog, grab next piece if any available. |
| 1225 | */ |
Jens Axboe | d72be54 | 2012-11-30 19:37:46 +0100 | [diff] [blame] | 1226 | if (td->flags & TD_F_READ_IOLOG) { |
Jens Axboe | 429f667 | 2007-07-23 10:38:43 +0200 | [diff] [blame] | 1227 | if (read_iolog_get(td, io_u)) |
| 1228 | goto err_put; |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 1229 | } else if (set_io_u_file(td, io_u)) { |
| 1230 | dprint(FD_IO, "io_u %p, setting file failed\n", io_u); |
Jens Axboe | 429f667 | 2007-07-23 10:38:43 +0200 | [diff] [blame] | 1231 | goto err_put; |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 1232 | } |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 1233 | |
Jens Axboe | 429f667 | 2007-07-23 10:38:43 +0200 | [diff] [blame] | 1234 | f = io_u->file; |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 1235 | assert(fio_file_open(f)); |
Jens Axboe | 97af62c | 2007-05-22 11:12:13 +0200 | [diff] [blame] | 1236 | |
Jens Axboe | ff58fce | 2010-08-25 12:02:08 +0200 | [diff] [blame] | 1237 | if (ddir_rw(io_u->ddir)) { |
Jens Axboe | d0656a9 | 2008-02-01 18:33:23 +0100 | [diff] [blame] | 1238 | if (!io_u->buflen && !(td->io_ops->flags & FIO_NOIO)) { |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 1239 | 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] | 1240 | goto err_put; |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 1241 | } |
Jens Axboe | 87dc1ab | 2006-10-24 14:41:26 +0200 | [diff] [blame] | 1242 | |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 1243 | f->last_start = io_u->offset; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 1244 | f->last_pos = io_u->offset + io_u->buflen; |
Jens Axboe | 87dc1ab | 2006-10-24 14:41:26 +0200 | [diff] [blame] | 1245 | |
Jens Axboe | fd68418 | 2011-09-19 09:24:44 +0200 | [diff] [blame] | 1246 | if (io_u->ddir == DDIR_WRITE) { |
Jens Axboe | d72be54 | 2012-11-30 19:37:46 +0100 | [diff] [blame] | 1247 | if (td->flags & TD_F_REFILL_BUFFERS) { |
Jens Axboe | 9c42684 | 2012-03-02 21:02:12 +0100 | [diff] [blame] | 1248 | io_u_fill_buffer(td, io_u, |
| 1249 | io_u->xfer_buflen, io_u->xfer_buflen); |
Jens Axboe | d72be54 | 2012-11-30 19:37:46 +0100 | [diff] [blame] | 1250 | } else if (td->flags & TD_F_SCRAMBLE_BUFFERS) |
Jens Axboe | fd68418 | 2011-09-19 09:24:44 +0200 | [diff] [blame] | 1251 | do_scramble = 1; |
Jens Axboe | d72be54 | 2012-11-30 19:37:46 +0100 | [diff] [blame] | 1252 | if (td->flags & TD_F_VER_NONE) { |
Jens Axboe | 629f1d7 | 2012-03-09 19:02:01 +0100 | [diff] [blame] | 1253 | populate_verify_io_u(td, io_u); |
| 1254 | do_scramble = 0; |
| 1255 | } |
Jens Axboe | fd68418 | 2011-09-19 09:24:44 +0200 | [diff] [blame] | 1256 | } else if (io_u->ddir == DDIR_READ) { |
Radha Ramachandran | cbe8d75 | 2010-07-14 08:36:07 +0200 | [diff] [blame] | 1257 | /* |
| 1258 | * Reset the buf_filled parameters so next time if the |
| 1259 | * buffer is used for writes it is refilled. |
| 1260 | */ |
Radha Ramachandran | cbe8d75 | 2010-07-14 08:36:07 +0200 | [diff] [blame] | 1261 | io_u->buf_filled_len = 0; |
| 1262 | } |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1263 | } |
| 1264 | |
Jens Axboe | 165faf1 | 2007-02-07 11:30:37 +0100 | [diff] [blame] | 1265 | /* |
| 1266 | * Set io data pointers. |
| 1267 | */ |
Jens Axboe | cec6b55 | 2007-02-06 20:15:38 +0100 | [diff] [blame] | 1268 | io_u->xfer_buf = io_u->buf; |
| 1269 | io_u->xfer_buflen = io_u->buflen; |
Jens Axboe | 5973caf | 2008-05-21 19:52:35 +0200 | [diff] [blame] | 1270 | |
Jens Axboe | 6ac7a33 | 2008-03-01 15:22:32 +0100 | [diff] [blame] | 1271 | out: |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 1272 | assert(io_u->file); |
Jens Axboe | 429f667 | 2007-07-23 10:38:43 +0200 | [diff] [blame] | 1273 | if (!td_io_prep(td, io_u)) { |
Jens Axboe | 993bf48 | 2008-11-14 13:04:53 +0100 | [diff] [blame] | 1274 | if (!td->o.disable_slat) |
| 1275 | fio_gettime(&io_u->start_time, NULL); |
Jens Axboe | de78976 | 2011-09-16 22:11:23 +0200 | [diff] [blame] | 1276 | if (do_scramble) |
| 1277 | small_content_scramble(io_u); |
Jens Axboe | 429f667 | 2007-07-23 10:38:43 +0200 | [diff] [blame] | 1278 | return io_u; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 1279 | } |
Jens Axboe | 429f667 | 2007-07-23 10:38:43 +0200 | [diff] [blame] | 1280 | err_put: |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 1281 | dprint(FD_IO, "get_io_u failed\n"); |
Jens Axboe | 429f667 | 2007-07-23 10:38:43 +0200 | [diff] [blame] | 1282 | put_io_u(td, io_u); |
| 1283 | return NULL; |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1284 | } |
| 1285 | |
Jens Axboe | 5451792 | 2007-03-05 10:06:06 +0100 | [diff] [blame] | 1286 | void io_u_log_error(struct thread_data *td, struct io_u *io_u) |
| 1287 | { |
Dmitry Monakhov | 8b28bd4 | 2012-09-23 15:46:09 +0400 | [diff] [blame] | 1288 | 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] | 1289 | const char *msg[] = { "read", "write", "sync", "datasync", |
| 1290 | "sync_file_range", "wait", "trim" }; |
| 1291 | |
Dmitry Monakhov | 8b28bd4 | 2012-09-23 15:46:09 +0400 | [diff] [blame] | 1292 | if (td_non_fatal_error(td, eb, io_u->error) && !td->o.error_dump) |
| 1293 | return; |
Jens Axboe | 5451792 | 2007-03-05 10:06:06 +0100 | [diff] [blame] | 1294 | |
| 1295 | log_err("fio: io_u error"); |
| 1296 | |
| 1297 | if (io_u->file) |
| 1298 | log_err(" on file %s", io_u->file->file_name); |
| 1299 | |
| 1300 | log_err(": %s\n", strerror(io_u->error)); |
| 1301 | |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 1302 | log_err(" %s offset=%llu, buflen=%lu\n", msg[io_u->ddir], |
| 1303 | io_u->offset, io_u->xfer_buflen); |
Jens Axboe | 5451792 | 2007-03-05 10:06:06 +0100 | [diff] [blame] | 1304 | |
| 1305 | if (!td->error) |
| 1306 | td_verror(td, io_u->error, "io_u error"); |
| 1307 | } |
| 1308 | |
Jens Axboe | c8eeb9d | 2011-10-05 14:02:22 +0200 | [diff] [blame] | 1309 | static void account_io_completion(struct thread_data *td, struct io_u *io_u, |
| 1310 | struct io_completion_data *icd, |
| 1311 | const enum fio_ddir idx, unsigned int bytes) |
| 1312 | { |
Jens Axboe | 24d23ca | 2012-11-13 08:31:24 -0700 | [diff] [blame] | 1313 | unsigned long lusec = 0; |
Jens Axboe | c8eeb9d | 2011-10-05 14:02:22 +0200 | [diff] [blame] | 1314 | |
Jens Axboe | c8eeb9d | 2011-10-05 14:02:22 +0200 | [diff] [blame] | 1315 | if (!td->o.disable_clat || !td->o.disable_bw) |
| 1316 | lusec = utime_since(&io_u->issue_time, &icd->time); |
| 1317 | |
| 1318 | if (!td->o.disable_lat) { |
| 1319 | unsigned long tusec; |
| 1320 | |
| 1321 | tusec = utime_since(&io_u->start_time, &icd->time); |
| 1322 | add_lat_sample(td, idx, tusec, bytes); |
Jens Axboe | 1550153 | 2012-10-24 16:37:45 +0200 | [diff] [blame] | 1323 | |
| 1324 | if (td->o.max_latency && tusec > td->o.max_latency) { |
| 1325 | if (!td->error) |
| 1326 | 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] | 1327 | td_verror(td, ETIMEDOUT, "max latency exceeded"); |
| 1328 | icd->error = ETIMEDOUT; |
Jens Axboe | 1550153 | 2012-10-24 16:37:45 +0200 | [diff] [blame] | 1329 | } |
Jens Axboe | c8eeb9d | 2011-10-05 14:02:22 +0200 | [diff] [blame] | 1330 | } |
| 1331 | |
| 1332 | if (!td->o.disable_clat) { |
| 1333 | add_clat_sample(td, idx, lusec, bytes); |
| 1334 | io_u_mark_latency(td, lusec); |
| 1335 | } |
| 1336 | |
| 1337 | if (!td->o.disable_bw) |
| 1338 | add_bw_sample(td, idx, bytes, &icd->time); |
| 1339 | |
| 1340 | add_iops_sample(td, idx, &icd->time); |
| 1341 | } |
| 1342 | |
Steven Lang | 1b8dbf2 | 2011-11-09 13:48:01 +0100 | [diff] [blame] | 1343 | static long long usec_for_io(struct thread_data *td, enum fio_ddir ddir) |
| 1344 | { |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame^] | 1345 | uint64_t secs, remainder, bps, bytes; |
| 1346 | |
Steven Lang | 1b8dbf2 | 2011-11-09 13:48:01 +0100 | [diff] [blame] | 1347 | bytes = td->this_io_bytes[ddir]; |
| 1348 | bps = td->rate_bps[ddir]; |
| 1349 | secs = bytes / bps; |
| 1350 | remainder = bytes % bps; |
| 1351 | return remainder * 1000000 / bps + secs * 1000000; |
| 1352 | } |
| 1353 | |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1354 | static void io_completed(struct thread_data *td, struct io_u *io_u, |
| 1355 | struct io_completion_data *icd) |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1356 | { |
Jens Axboe | 44f2969 | 2010-03-09 20:09:44 +0100 | [diff] [blame] | 1357 | struct fio_file *f; |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1358 | |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 1359 | dprint_io_u(io_u, "io complete"); |
| 1360 | |
Jens Axboe | 2ecc1b5 | 2009-11-04 20:58:09 +0100 | [diff] [blame] | 1361 | td_io_u_lock(td); |
Jens Axboe | 0c6e751 | 2007-02-22 11:19:39 +0100 | [diff] [blame] | 1362 | assert(io_u->flags & IO_U_F_FLIGHT); |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 1363 | io_u->flags &= ~(IO_U_F_FLIGHT | IO_U_F_BUSY_OK); |
Jens Axboe | 2ecc1b5 | 2009-11-04 20:58:09 +0100 | [diff] [blame] | 1364 | td_io_u_unlock(td); |
Jens Axboe | 0c6e751 | 2007-02-22 11:19:39 +0100 | [diff] [blame] | 1365 | |
Jens Axboe | 5f9099e | 2009-06-16 22:40:26 +0200 | [diff] [blame] | 1366 | if (ddir_sync(io_u->ddir)) { |
Jens Axboe | 87dc1ab | 2006-10-24 14:41:26 +0200 | [diff] [blame] | 1367 | td->last_was_sync = 1; |
Jens Axboe | 44f2969 | 2010-03-09 20:09:44 +0100 | [diff] [blame] | 1368 | f = io_u->file; |
| 1369 | if (f) { |
| 1370 | f->first_write = -1ULL; |
| 1371 | f->last_write = -1ULL; |
| 1372 | } |
Jens Axboe | 87dc1ab | 2006-10-24 14:41:26 +0200 | [diff] [blame] | 1373 | return; |
| 1374 | } |
| 1375 | |
| 1376 | td->last_was_sync = 0; |
Jens Axboe | 9e14418 | 2010-06-15 14:25:36 +0200 | [diff] [blame] | 1377 | td->last_ddir = io_u->ddir; |
Jens Axboe | 87dc1ab | 2006-10-24 14:41:26 +0200 | [diff] [blame] | 1378 | |
Jens Axboe | ff58fce | 2010-08-25 12:02:08 +0200 | [diff] [blame] | 1379 | if (!io_u->error && ddir_rw(io_u->ddir)) { |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1380 | unsigned int bytes = io_u->buflen - io_u->resid; |
Jens Axboe | 1e97cce | 2006-12-05 11:44:16 +0100 | [diff] [blame] | 1381 | const enum fio_ddir idx = io_u->ddir; |
Radha Ramachandran | ba3e4e0 | 2009-12-09 22:31:44 +0100 | [diff] [blame] | 1382 | const enum fio_ddir odx = io_u->ddir ^ 1; |
Jens Axboe | b29ee5b | 2008-09-11 10:17:26 +0200 | [diff] [blame] | 1383 | int ret; |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1384 | |
Jens Axboe | b29ee5b | 2008-09-11 10:17:26 +0200 | [diff] [blame] | 1385 | td->io_blocks[idx]++; |
Jens Axboe | c8eeb9d | 2011-10-05 14:02:22 +0200 | [diff] [blame] | 1386 | td->this_io_blocks[idx]++; |
Jens Axboe | b29ee5b | 2008-09-11 10:17:26 +0200 | [diff] [blame] | 1387 | td->io_bytes[idx] += bytes; |
webee | ae2fafc | 2012-03-23 13:41:41 +0100 | [diff] [blame] | 1388 | |
| 1389 | if (!(io_u->flags & IO_U_F_VER_LIST)) |
| 1390 | td->this_io_bytes[idx] += bytes; |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1391 | |
Jens Axboe | 44f2969 | 2010-03-09 20:09:44 +0100 | [diff] [blame] | 1392 | if (idx == DDIR_WRITE) { |
| 1393 | f = io_u->file; |
| 1394 | if (f) { |
| 1395 | if (f->first_write == -1ULL || |
| 1396 | io_u->offset < f->first_write) |
| 1397 | f->first_write = io_u->offset; |
| 1398 | if (f->last_write == -1ULL || |
| 1399 | ((io_u->offset + bytes) > f->last_write)) |
| 1400 | f->last_write = io_u->offset + bytes; |
| 1401 | } |
| 1402 | } |
| 1403 | |
Steven Lang | 6b1190f | 2012-02-07 09:42:59 +0100 | [diff] [blame] | 1404 | if (ramp_time_over(td) && (td->runstate == TD_RUNNING || |
| 1405 | td->runstate == TD_VERIFYING)) { |
Jens Axboe | c8eeb9d | 2011-10-05 14:02:22 +0200 | [diff] [blame] | 1406 | account_io_completion(td, io_u, icd, idx, bytes); |
Jens Axboe | 40e1a6f | 2009-06-11 10:55:39 +0200 | [diff] [blame] | 1407 | |
Jens Axboe | b23b6a2 | 2009-06-11 22:06:23 +0200 | [diff] [blame] | 1408 | if (__should_check_rate(td, idx)) { |
Radha Ramachandran | ba3e4e0 | 2009-12-09 22:31:44 +0100 | [diff] [blame] | 1409 | td->rate_pending_usleep[idx] = |
Steven Lang | 1b8dbf2 | 2011-11-09 13:48:01 +0100 | [diff] [blame] | 1410 | (usec_for_io(td, idx) - |
Radha Ramachandran | ba3e4e0 | 2009-12-09 22:31:44 +0100 | [diff] [blame] | 1411 | utime_since_now(&td->start)); |
Jens Axboe | b23b6a2 | 2009-06-11 22:06:23 +0200 | [diff] [blame] | 1412 | } |
Shaohua Li | 6eaf09d | 2012-09-14 08:49:43 +0200 | [diff] [blame] | 1413 | if (idx != DDIR_TRIM && __should_check_rate(td, odx)) |
Radha Ramachandran | ba3e4e0 | 2009-12-09 22:31:44 +0100 | [diff] [blame] | 1414 | td->rate_pending_usleep[odx] = |
Steven Lang | 1b8dbf2 | 2011-11-09 13:48:01 +0100 | [diff] [blame] | 1415 | (usec_for_io(td, odx) - |
Radha Ramachandran | ba3e4e0 | 2009-12-09 22:31:44 +0100 | [diff] [blame] | 1416 | utime_since_now(&td->start)); |
Jens Axboe | 721938a | 2008-09-10 09:46:16 +0200 | [diff] [blame] | 1417 | } |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1418 | |
Jens Axboe | 660a1cb | 2007-04-17 15:37:47 +0200 | [diff] [blame] | 1419 | if (td_write(td) && idx == DDIR_WRITE && |
Shawn Lewis | 8670579 | 2007-11-21 09:35:41 +0100 | [diff] [blame] | 1420 | td->o.do_verify && |
Jens Axboe | 4112840 | 2007-03-27 08:32:48 +0200 | [diff] [blame] | 1421 | td->o.verify != VERIFY_NONE) |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1422 | log_io_piece(td, io_u); |
| 1423 | |
Jens Axboe | b29ee5b | 2008-09-11 10:17:26 +0200 | [diff] [blame] | 1424 | icd->bytes_done[idx] += bytes; |
Jens Axboe | 3af6ef3 | 2007-02-18 06:57:43 +0100 | [diff] [blame] | 1425 | |
Jens Axboe | d7762cf | 2007-02-23 12:34:57 +0100 | [diff] [blame] | 1426 | if (io_u->end_io) { |
Jens Axboe | 36690c9 | 2007-03-26 10:23:34 +0200 | [diff] [blame] | 1427 | ret = io_u->end_io(td, io_u); |
Jens Axboe | 3af6ef3 | 2007-02-18 06:57:43 +0100 | [diff] [blame] | 1428 | if (ret && !icd->error) |
| 1429 | icd->error = ret; |
| 1430 | } |
Jens Axboe | ff58fce | 2010-08-25 12:02:08 +0200 | [diff] [blame] | 1431 | } else if (io_u->error) { |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1432 | icd->error = io_u->error; |
Jens Axboe | 5451792 | 2007-03-05 10:06:06 +0100 | [diff] [blame] | 1433 | io_u_log_error(td, io_u); |
| 1434 | } |
Dmitry Monakhov | 8b28bd4 | 2012-09-23 15:46:09 +0400 | [diff] [blame] | 1435 | if (icd->error) { |
| 1436 | enum error_type_bit eb = td_error_type(io_u->ddir, icd->error); |
| 1437 | if (!td_non_fatal_error(td, eb, icd->error)) |
| 1438 | return; |
Radha Ramachandran | f2bba18 | 2009-06-15 08:40:16 +0200 | [diff] [blame] | 1439 | /* |
| 1440 | * If there is a non_fatal error, then add to the error count |
| 1441 | * and clear all the errors. |
| 1442 | */ |
| 1443 | update_error_count(td, icd->error); |
| 1444 | td_clear_error(td); |
| 1445 | icd->error = 0; |
| 1446 | io_u->error = 0; |
| 1447 | } |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1448 | } |
| 1449 | |
Jens Axboe | 9520ebb | 2008-10-16 21:03:27 +0200 | [diff] [blame] | 1450 | static void init_icd(struct thread_data *td, struct io_completion_data *icd, |
| 1451 | int nr) |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 1452 | { |
Shaohua Li | 6eaf09d | 2012-09-14 08:49:43 +0200 | [diff] [blame] | 1453 | int ddir; |
Jens Axboe | 9520ebb | 2008-10-16 21:03:27 +0200 | [diff] [blame] | 1454 | if (!td->o.disable_clat || !td->o.disable_bw) |
| 1455 | fio_gettime(&icd->time, NULL); |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 1456 | |
Jens Axboe | 3af6ef3 | 2007-02-18 06:57:43 +0100 | [diff] [blame] | 1457 | icd->nr = nr; |
| 1458 | |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 1459 | icd->error = 0; |
Shaohua Li | 6eaf09d | 2012-09-14 08:49:43 +0200 | [diff] [blame] | 1460 | for (ddir = DDIR_READ; ddir < DDIR_RWDIR_CNT; ddir++) |
| 1461 | icd->bytes_done[ddir] = 0; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 1462 | } |
| 1463 | |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1464 | static void ios_completed(struct thread_data *td, |
| 1465 | struct io_completion_data *icd) |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1466 | { |
| 1467 | struct io_u *io_u; |
| 1468 | int i; |
| 1469 | |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1470 | for (i = 0; i < icd->nr; i++) { |
| 1471 | io_u = td->io_ops->event(td, i); |
| 1472 | |
| 1473 | io_completed(td, io_u, icd); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1474 | |
| 1475 | if (!(io_u->flags & IO_U_F_FREE_DEF)) |
| 1476 | put_io_u(td, io_u); |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1477 | } |
| 1478 | } |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1479 | |
Jens Axboe | e7e6cfb | 2007-02-20 10:58:34 +0100 | [diff] [blame] | 1480 | /* |
| 1481 | * Complete a single io_u for the sync engines. |
| 1482 | */ |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 1483 | int io_u_sync_complete(struct thread_data *td, struct io_u *io_u, |
| 1484 | unsigned long *bytes) |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1485 | { |
| 1486 | struct io_completion_data icd; |
| 1487 | |
Jens Axboe | 9520ebb | 2008-10-16 21:03:27 +0200 | [diff] [blame] | 1488 | init_icd(td, &icd, 1); |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1489 | io_completed(td, io_u, &icd); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1490 | |
| 1491 | if (!(io_u->flags & IO_U_F_FREE_DEF)) |
| 1492 | put_io_u(td, io_u); |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1493 | |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 1494 | if (icd.error) { |
| 1495 | td_verror(td, icd.error, "io_u_sync_complete"); |
| 1496 | return -1; |
| 1497 | } |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1498 | |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 1499 | if (bytes) { |
Shaohua Li | 6eaf09d | 2012-09-14 08:49:43 +0200 | [diff] [blame] | 1500 | int ddir; |
| 1501 | |
| 1502 | for (ddir = DDIR_READ; ddir < DDIR_RWDIR_CNT; ddir++) |
| 1503 | bytes[ddir] += icd.bytes_done[ddir]; |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 1504 | } |
| 1505 | |
| 1506 | return 0; |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1507 | } |
| 1508 | |
Jens Axboe | e7e6cfb | 2007-02-20 10:58:34 +0100 | [diff] [blame] | 1509 | /* |
| 1510 | * Called to complete min_events number of io for the async engines. |
| 1511 | */ |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 1512 | int io_u_queued_complete(struct thread_data *td, int min_evts, |
| 1513 | unsigned long *bytes) |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1514 | { |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1515 | struct io_completion_data icd; |
Jens Axboe | 00de55e | 2007-02-20 10:45:57 +0100 | [diff] [blame] | 1516 | struct timespec *tvp = NULL; |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1517 | int ret; |
Davide Libenzi | 4d06a33 | 2007-03-22 07:43:50 +0100 | [diff] [blame] | 1518 | struct timespec ts = { .tv_sec = 0, .tv_nsec = 0, }; |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1519 | |
Jens Axboe | 4950421 | 2008-06-05 09:03:30 +0200 | [diff] [blame] | 1520 | dprint(FD_IO, "io_u_queued_completed: min=%d\n", min_evts); |
Jens Axboe | b271fe6 | 2008-02-04 10:49:41 +0100 | [diff] [blame] | 1521 | |
Jens Axboe | 4950421 | 2008-06-05 09:03:30 +0200 | [diff] [blame] | 1522 | if (!min_evts) |
Jens Axboe | 00de55e | 2007-02-20 10:45:57 +0100 | [diff] [blame] | 1523 | tvp = &ts; |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1524 | |
Jens Axboe | 4950421 | 2008-06-05 09:03:30 +0200 | [diff] [blame] | 1525 | 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] | 1526 | if (ret < 0) { |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 1527 | td_verror(td, -ret, "td_io_getevents"); |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1528 | return ret; |
| 1529 | } else if (!ret) |
| 1530 | return ret; |
| 1531 | |
Jens Axboe | 9520ebb | 2008-10-16 21:03:27 +0200 | [diff] [blame] | 1532 | init_icd(td, &icd, ret); |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1533 | ios_completed(td, &icd); |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 1534 | if (icd.error) { |
| 1535 | td_verror(td, icd.error, "io_u_queued_complete"); |
| 1536 | return -1; |
| 1537 | } |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1538 | |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 1539 | if (bytes) { |
Shaohua Li | 6eaf09d | 2012-09-14 08:49:43 +0200 | [diff] [blame] | 1540 | int ddir; |
| 1541 | |
| 1542 | for (ddir = DDIR_READ; ddir < DDIR_RWDIR_CNT; ddir++) |
| 1543 | bytes[ddir] += icd.bytes_done[ddir]; |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 1544 | } |
| 1545 | |
| 1546 | return 0; |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1547 | } |
Jens Axboe | 7e77dd0 | 2007-02-20 10:57:34 +0100 | [diff] [blame] | 1548 | |
| 1549 | /* |
| 1550 | * Call when io_u is really queued, to update the submission latency. |
| 1551 | */ |
| 1552 | void io_u_queued(struct thread_data *td, struct io_u *io_u) |
| 1553 | { |
Jens Axboe | 9520ebb | 2008-10-16 21:03:27 +0200 | [diff] [blame] | 1554 | if (!td->o.disable_slat) { |
| 1555 | unsigned long slat_time; |
Jens Axboe | 7e77dd0 | 2007-02-20 10:57:34 +0100 | [diff] [blame] | 1556 | |
Jens Axboe | 9520ebb | 2008-10-16 21:03:27 +0200 | [diff] [blame] | 1557 | slat_time = utime_since(&io_u->start_time, &io_u->issue_time); |
Jens Axboe | 29a90dd | 2009-06-10 06:57:47 +0200 | [diff] [blame] | 1558 | 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] | 1559 | } |
Jens Axboe | 7e77dd0 | 2007-02-20 10:57:34 +0100 | [diff] [blame] | 1560 | } |
Jens Axboe | 433afcb | 2007-02-22 10:39:01 +0100 | [diff] [blame] | 1561 | |
Jens Axboe | 5973caf | 2008-05-21 19:52:35 +0200 | [diff] [blame] | 1562 | /* |
| 1563 | * "randomly" fill the buffer contents |
| 1564 | */ |
| 1565 | 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] | 1566 | unsigned int min_write, unsigned int max_bs) |
Jens Axboe | 5973caf | 2008-05-21 19:52:35 +0200 | [diff] [blame] | 1567 | { |
Jens Axboe | e84b371 | 2011-01-16 08:32:08 -0700 | [diff] [blame] | 1568 | io_u->buf_filled_len = 0; |
| 1569 | |
Jens Axboe | 9c42684 | 2012-03-02 21:02:12 +0100 | [diff] [blame] | 1570 | if (!td->o.zero_buffers) { |
| 1571 | unsigned int perc = td->o.compress_percentage; |
| 1572 | |
| 1573 | if (perc) { |
Jens Axboe | f97a43a | 2012-03-09 19:06:24 +0100 | [diff] [blame] | 1574 | unsigned int seg = min_write; |
| 1575 | |
| 1576 | seg = min(min_write, td->o.compress_chunk); |
Jens Axboe | 9c42684 | 2012-03-02 21:02:12 +0100 | [diff] [blame] | 1577 | fill_random_buf_percentage(&td->buf_state, io_u->buf, |
Jens Axboe | f97a43a | 2012-03-09 19:06:24 +0100 | [diff] [blame] | 1578 | perc, seg, max_bs); |
Jens Axboe | 9c42684 | 2012-03-02 21:02:12 +0100 | [diff] [blame] | 1579 | } else |
| 1580 | fill_random_buf(&td->buf_state, io_u->buf, max_bs); |
| 1581 | } else |
Jens Axboe | 637ef8d | 2010-06-21 20:39:38 +0200 | [diff] [blame] | 1582 | memset(io_u->buf, 0, max_bs); |
Jens Axboe | 5973caf | 2008-05-21 19:52:35 +0200 | [diff] [blame] | 1583 | } |