Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1 | #include <unistd.h> |
| 2 | #include <fcntl.h> |
| 3 | #include <string.h> |
| 4 | #include <signal.h> |
| 5 | #include <time.h> |
Jens Axboe | 0c6e751 | 2007-02-22 11:19:39 +0100 | [diff] [blame] | 6 | #include <assert.h> |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 7 | |
| 8 | #include "fio.h" |
Jens Axboe | 5973caf | 2008-05-21 19:52:35 +0200 | [diff] [blame] | 9 | #include "hash.h" |
Jens Axboe | 4f5af7b | 2009-06-03 08:45:40 +0200 | [diff] [blame] | 10 | #include "verify.h" |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 11 | #include "trim.h" |
Jens Axboe | 1fbbf72 | 2010-03-25 23:03:18 +0100 | [diff] [blame] | 12 | #include "lib/rand.h" |
Jens Axboe | 7ebd796 | 2012-11-28 21:24:46 +0100 | [diff] [blame] | 13 | #include "lib/axmap.h" |
Jens Axboe | 002fe73 | 2014-02-11 08:31:13 -0700 | [diff] [blame] | 14 | #include "err.h" |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 15 | |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 16 | struct io_completion_data { |
| 17 | int nr; /* input */ |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 18 | |
| 19 | int error; /* output */ |
Jens Axboe | 100f49f | 2013-01-23 10:15:57 -0700 | [diff] [blame] | 20 | uint64_t bytes_done[DDIR_RWDIR_CNT]; /* output */ |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 21 | struct timeval time; /* output */ |
| 22 | }; |
| 23 | |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 24 | /* |
Jens Axboe | 7ebd796 | 2012-11-28 21:24:46 +0100 | [diff] [blame] | 25 | * 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] | 26 | * to yet. Used to make sure we cover the entire range in a fair fashion. |
| 27 | */ |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame] | 28 | 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] | 29 | { |
Jens Axboe | 7ebd796 | 2012-11-28 21:24:46 +0100 | [diff] [blame] | 30 | return !axmap_isset(f->io_axmap, block); |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 31 | } |
| 32 | |
| 33 | /* |
Jens Axboe | df41558 | 2006-10-20 11:41:03 +0200 | [diff] [blame] | 34 | * Mark a given offset as used in the map. |
| 35 | */ |
Jens Axboe | 9bf2061 | 2007-03-01 09:33:57 +0100 | [diff] [blame] | 36 | 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] | 37 | { |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 38 | unsigned int min_bs = td->o.rw_min_bs; |
Jens Axboe | 9bf2061 | 2007-03-01 09:33:57 +0100 | [diff] [blame] | 39 | struct fio_file *f = io_u->file; |
Jens Axboe | 51ede0b | 2012-11-22 13:50:29 +0100 | [diff] [blame] | 40 | unsigned int nr_blocks; |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame] | 41 | uint64_t block; |
Jens Axboe | df41558 | 2006-10-20 11:41:03 +0200 | [diff] [blame] | 42 | |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame] | 43 | block = (io_u->offset - f->file_offset) / (uint64_t) min_bs; |
Jens Axboe | c685b5b | 2007-02-10 20:02:28 +0100 | [diff] [blame] | 44 | nr_blocks = (io_u->buflen + min_bs - 1) / min_bs; |
| 45 | |
Jens Axboe | 2ab9e98 | 2012-11-22 15:14:17 +0100 | [diff] [blame] | 46 | if (!(io_u->flags & IO_U_F_BUSY_OK)) |
Jens Axboe | 7ebd796 | 2012-11-28 21:24:46 +0100 | [diff] [blame] | 47 | nr_blocks = axmap_set_nr(f->io_axmap, block, nr_blocks); |
Jens Axboe | df41558 | 2006-10-20 11:41:03 +0200 | [diff] [blame] | 48 | |
Jens Axboe | 51ede0b | 2012-11-22 13:50:29 +0100 | [diff] [blame] | 49 | if ((nr_blocks * min_bs) < io_u->buflen) |
| 50 | io_u->buflen = nr_blocks * min_bs; |
Jens Axboe | df41558 | 2006-10-20 11:41:03 +0200 | [diff] [blame] | 51 | } |
| 52 | |
Jens Axboe | 7477673 | 2013-01-11 14:03:25 +0100 | [diff] [blame] | 53 | static uint64_t last_block(struct thread_data *td, struct fio_file *f, |
| 54 | enum fio_ddir ddir) |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 55 | { |
Jens Axboe | 7477673 | 2013-01-11 14:03:25 +0100 | [diff] [blame] | 56 | uint64_t max_blocks; |
| 57 | uint64_t max_size; |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 58 | |
Jens Axboe | ff58fce | 2010-08-25 12:02:08 +0200 | [diff] [blame] | 59 | assert(ddir_rw(ddir)); |
| 60 | |
Jens Axboe | d9dd70f | 2008-05-23 12:37:23 +0200 | [diff] [blame] | 61 | /* |
| 62 | * Hmm, should we make sure that ->io_size <= ->real_file_size? |
| 63 | */ |
| 64 | max_size = f->io_size; |
| 65 | if (max_size > f->real_file_size) |
| 66 | max_size = f->real_file_size; |
| 67 | |
Steven Noonan | ed33585 | 2012-01-31 13:58:00 +0100 | [diff] [blame] | 68 | if (td->o.zone_range) |
| 69 | max_size = td->o.zone_range; |
| 70 | |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame] | 71 | max_blocks = max_size / (uint64_t) td->o.ba[ddir]; |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 72 | if (!max_blocks) |
| 73 | return 0; |
| 74 | |
Jens Axboe | 67778e8 | 2008-05-15 09:20:08 +0200 | [diff] [blame] | 75 | return max_blocks; |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 76 | } |
| 77 | |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame] | 78 | struct rand_off { |
| 79 | struct flist_head list; |
| 80 | uint64_t off; |
| 81 | }; |
| 82 | |
Jens Axboe | e25839d | 2012-11-06 10:49:42 +0100 | [diff] [blame] | 83 | 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] | 84 | enum fio_ddir ddir, uint64_t *b) |
Jens Axboe | ec4015d | 2007-03-23 08:04:27 +0100 | [diff] [blame] | 85 | { |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame] | 86 | uint64_t r, lastb; |
Jens Axboe | 7477673 | 2013-01-11 14:03:25 +0100 | [diff] [blame] | 87 | |
| 88 | lastb = last_block(td, f, ddir); |
| 89 | if (!lastb) |
| 90 | return 1; |
Jens Axboe | ec4015d | 2007-03-23 08:04:27 +0100 | [diff] [blame] | 91 | |
Jens Axboe | 8055e41 | 2012-11-26 08:43:47 +0100 | [diff] [blame] | 92 | if (td->o.random_generator == FIO_RAND_GEN_TAUSWORTHE) { |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame] | 93 | uint64_t rmax; |
Jens Axboe | 15b8772 | 2011-10-12 09:42:33 +0200 | [diff] [blame] | 94 | |
Jens Axboe | 8055e41 | 2012-11-26 08:43:47 +0100 | [diff] [blame] | 95 | rmax = td->o.use_os_rand ? OS_RAND_MAX : FRAND_MAX; |
| 96 | |
| 97 | if (td->o.use_os_rand) { |
| 98 | rmax = OS_RAND_MAX; |
| 99 | r = os_random_long(&td->random_state); |
| 100 | } else { |
| 101 | rmax = FRAND_MAX; |
| 102 | r = __rand(&td->__random_state); |
| 103 | } |
| 104 | |
Jens Axboe | 4b91ee8 | 2013-02-25 10:18:33 +0100 | [diff] [blame] | 105 | dprint(FD_RANDOM, "off rand %llu\n", (unsigned long long) r); |
Jens Axboe | 8055e41 | 2012-11-26 08:43:47 +0100 | [diff] [blame] | 106 | |
Peter Oberparleiter | 80e88a1 | 2014-02-28 09:09:13 -0800 | [diff] [blame] | 107 | *b = lastb * (r / ((uint64_t) rmax + 1.0)); |
Jens Axboe | 51ede0b | 2012-11-22 13:50:29 +0100 | [diff] [blame] | 108 | } else { |
Jens Axboe | 8055e41 | 2012-11-26 08:43:47 +0100 | [diff] [blame] | 109 | uint64_t off = 0; |
| 110 | |
Jens Axboe | 7477673 | 2013-01-11 14:03:25 +0100 | [diff] [blame] | 111 | if (lfsr_next(&f->lfsr, &off, lastb)) |
Jens Axboe | 8055e41 | 2012-11-26 08:43:47 +0100 | [diff] [blame] | 112 | return 1; |
| 113 | |
| 114 | *b = off; |
Jens Axboe | 51ede0b | 2012-11-22 13:50:29 +0100 | [diff] [blame] | 115 | } |
Jens Axboe | 2615cc4 | 2011-03-28 09:35:09 +0200 | [diff] [blame] | 116 | |
Jens Axboe | ec4015d | 2007-03-23 08:04:27 +0100 | [diff] [blame] | 117 | /* |
Jens Axboe | 51ede0b | 2012-11-22 13:50:29 +0100 | [diff] [blame] | 118 | * if we are not maintaining a random map, we are done. |
Jens Axboe | ec4015d | 2007-03-23 08:04:27 +0100 | [diff] [blame] | 119 | */ |
Jens Axboe | 51ede0b | 2012-11-22 13:50:29 +0100 | [diff] [blame] | 120 | if (!file_randommap(td, f)) |
| 121 | goto ret; |
Jens Axboe | 43c63a7 | 2007-05-21 13:23:30 +0200 | [diff] [blame] | 122 | |
| 123 | /* |
Jens Axboe | 51ede0b | 2012-11-22 13:50:29 +0100 | [diff] [blame] | 124 | * calculate map offset and check if it's free |
Jens Axboe | 43c63a7 | 2007-05-21 13:23:30 +0200 | [diff] [blame] | 125 | */ |
Jens Axboe | 51ede0b | 2012-11-22 13:50:29 +0100 | [diff] [blame] | 126 | if (random_map_free(f, *b)) |
| 127 | goto ret; |
| 128 | |
Jens Axboe | 4b91ee8 | 2013-02-25 10:18:33 +0100 | [diff] [blame] | 129 | dprint(FD_RANDOM, "get_next_rand_offset: offset %llu busy\n", |
| 130 | (unsigned long long) *b); |
Jens Axboe | 51ede0b | 2012-11-22 13:50:29 +0100 | [diff] [blame] | 131 | |
Jens Axboe | 7ebd796 | 2012-11-28 21:24:46 +0100 | [diff] [blame] | 132 | *b = axmap_next_free(f->io_axmap, *b); |
Jens Axboe | 51ede0b | 2012-11-22 13:50:29 +0100 | [diff] [blame] | 133 | if (*b == (uint64_t) -1ULL) |
| 134 | return 1; |
Jens Axboe | 0ce8b11 | 2011-01-27 22:25:29 +0100 | [diff] [blame] | 135 | ret: |
| 136 | return 0; |
Jens Axboe | ec4015d | 2007-03-23 08:04:27 +0100 | [diff] [blame] | 137 | } |
| 138 | |
Jens Axboe | 925fee3 | 2012-11-06 13:50:32 +0100 | [diff] [blame] | 139 | static int __get_next_rand_offset_zipf(struct thread_data *td, |
| 140 | struct fio_file *f, enum fio_ddir ddir, |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame] | 141 | uint64_t *b) |
Jens Axboe | e25839d | 2012-11-06 10:49:42 +0100 | [diff] [blame] | 142 | { |
Jens Axboe | 9c6f631 | 2012-11-07 09:15:45 +0100 | [diff] [blame] | 143 | *b = zipf_next(&f->zipf); |
Jens Axboe | e25839d | 2012-11-06 10:49:42 +0100 | [diff] [blame] | 144 | return 0; |
| 145 | } |
| 146 | |
Jens Axboe | 925fee3 | 2012-11-06 13:50:32 +0100 | [diff] [blame] | 147 | static int __get_next_rand_offset_pareto(struct thread_data *td, |
| 148 | struct fio_file *f, enum fio_ddir ddir, |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame] | 149 | uint64_t *b) |
Jens Axboe | 925fee3 | 2012-11-06 13:50:32 +0100 | [diff] [blame] | 150 | { |
Jens Axboe | 9c6f631 | 2012-11-07 09:15:45 +0100 | [diff] [blame] | 151 | *b = pareto_next(&f->zipf); |
Jens Axboe | 925fee3 | 2012-11-06 13:50:32 +0100 | [diff] [blame] | 152 | return 0; |
| 153 | } |
| 154 | |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame] | 155 | static int flist_cmp(void *data, struct flist_head *a, struct flist_head *b) |
| 156 | { |
| 157 | struct rand_off *r1 = flist_entry(a, struct rand_off, list); |
| 158 | struct rand_off *r2 = flist_entry(b, struct rand_off, list); |
| 159 | |
| 160 | return r1->off - r2->off; |
| 161 | } |
| 162 | |
| 163 | static int get_off_from_method(struct thread_data *td, struct fio_file *f, |
| 164 | enum fio_ddir ddir, uint64_t *b) |
Jens Axboe | e25839d | 2012-11-06 10:49:42 +0100 | [diff] [blame] | 165 | { |
| 166 | if (td->o.random_distribution == FIO_RAND_DIST_RANDOM) |
| 167 | return __get_next_rand_offset(td, f, ddir, b); |
| 168 | else if (td->o.random_distribution == FIO_RAND_DIST_ZIPF) |
| 169 | return __get_next_rand_offset_zipf(td, f, ddir, b); |
Jens Axboe | 925fee3 | 2012-11-06 13:50:32 +0100 | [diff] [blame] | 170 | else if (td->o.random_distribution == FIO_RAND_DIST_PARETO) |
| 171 | return __get_next_rand_offset_pareto(td, f, ddir, b); |
Jens Axboe | e25839d | 2012-11-06 10:49:42 +0100 | [diff] [blame] | 172 | |
| 173 | log_err("fio: unknown random distribution: %d\n", td->o.random_distribution); |
| 174 | return 1; |
| 175 | } |
| 176 | |
Jens Axboe | bcd5abf | 2013-01-23 09:27:25 -0700 | [diff] [blame] | 177 | /* |
| 178 | * Sort the reads for a verify phase in batches of verifysort_nr, if |
| 179 | * specified. |
| 180 | */ |
| 181 | static inline int should_sort_io(struct thread_data *td) |
| 182 | { |
| 183 | if (!td->o.verifysort_nr || !td->o.do_verify) |
| 184 | return 0; |
| 185 | if (!td_random(td)) |
| 186 | return 0; |
| 187 | if (td->runstate != TD_VERIFYING) |
| 188 | return 0; |
| 189 | if (td->o.random_generator == FIO_RAND_GEN_TAUSWORTHE) |
| 190 | return 0; |
| 191 | |
| 192 | return 1; |
| 193 | } |
| 194 | |
Jens Axboe | d947227 | 2013-07-25 10:20:45 -0600 | [diff] [blame] | 195 | static int should_do_random(struct thread_data *td, enum fio_ddir ddir) |
Jens Axboe | 211c9b8 | 2013-04-26 08:56:17 -0600 | [diff] [blame] | 196 | { |
| 197 | unsigned int v; |
| 198 | unsigned long r; |
| 199 | |
Jens Axboe | d947227 | 2013-07-25 10:20:45 -0600 | [diff] [blame] | 200 | if (td->o.perc_rand[ddir] == 100) |
Jens Axboe | 211c9b8 | 2013-04-26 08:56:17 -0600 | [diff] [blame] | 201 | return 1; |
| 202 | |
| 203 | if (td->o.use_os_rand) { |
Jens Axboe | d947227 | 2013-07-25 10:20:45 -0600 | [diff] [blame] | 204 | r = os_random_long(&td->seq_rand_state[ddir]); |
Jens Axboe | 211c9b8 | 2013-04-26 08:56:17 -0600 | [diff] [blame] | 205 | v = 1 + (int) (100.0 * (r / (OS_RAND_MAX + 1.0))); |
| 206 | } else { |
Jens Axboe | d947227 | 2013-07-25 10:20:45 -0600 | [diff] [blame] | 207 | r = __rand(&td->__seq_rand_state[ddir]); |
Jens Axboe | 211c9b8 | 2013-04-26 08:56:17 -0600 | [diff] [blame] | 208 | v = 1 + (int) (100.0 * (r / (FRAND_MAX + 1.0))); |
| 209 | } |
| 210 | |
Jens Axboe | d947227 | 2013-07-25 10:20:45 -0600 | [diff] [blame] | 211 | return v <= td->o.perc_rand[ddir]; |
Jens Axboe | 211c9b8 | 2013-04-26 08:56:17 -0600 | [diff] [blame] | 212 | } |
| 213 | |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame] | 214 | static int get_next_rand_offset(struct thread_data *td, struct fio_file *f, |
| 215 | enum fio_ddir ddir, uint64_t *b) |
| 216 | { |
| 217 | struct rand_off *r; |
| 218 | int i, ret = 1; |
| 219 | |
Jens Axboe | bcd5abf | 2013-01-23 09:27:25 -0700 | [diff] [blame] | 220 | if (!should_sort_io(td)) |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame] | 221 | return get_off_from_method(td, f, ddir, b); |
| 222 | |
| 223 | if (!flist_empty(&td->next_rand_list)) { |
| 224 | struct rand_off *r; |
| 225 | fetch: |
Jens Axboe | 12dbd06 | 2014-07-03 21:19:57 -0600 | [diff] [blame] | 226 | r = flist_first_entry(&td->next_rand_list, struct rand_off, list); |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame] | 227 | flist_del(&r->list); |
| 228 | *b = r->off; |
| 229 | free(r); |
| 230 | return 0; |
| 231 | } |
| 232 | |
| 233 | for (i = 0; i < td->o.verifysort_nr; i++) { |
| 234 | r = malloc(sizeof(*r)); |
| 235 | |
| 236 | ret = get_off_from_method(td, f, ddir, &r->off); |
| 237 | if (ret) { |
| 238 | free(r); |
| 239 | break; |
| 240 | } |
| 241 | |
| 242 | flist_add(&r->list, &td->next_rand_list); |
| 243 | } |
| 244 | |
| 245 | if (ret && !i) |
| 246 | return ret; |
| 247 | |
| 248 | assert(!flist_empty(&td->next_rand_list)); |
| 249 | flist_sort(NULL, &td->next_rand_list, flist_cmp); |
| 250 | goto fetch; |
| 251 | } |
| 252 | |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 253 | 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] | 254 | enum fio_ddir ddir, uint64_t *b) |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 255 | { |
Daniel Ehrenberg | c04e466 | 2012-03-16 18:54:15 +0100 | [diff] [blame] | 256 | if (!get_next_rand_offset(td, f, ddir, b)) |
| 257 | return 0; |
| 258 | |
| 259 | if (td->o.time_based) { |
Jens Axboe | 33c4881 | 2013-01-21 09:46:06 -0700 | [diff] [blame] | 260 | fio_file_reset(td, f); |
Daniel Ehrenberg | c04e466 | 2012-03-16 18:54:15 +0100 | [diff] [blame] | 261 | if (!get_next_rand_offset(td, f, ddir, b)) |
| 262 | return 0; |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 263 | } |
| 264 | |
Daniel Ehrenberg | c04e466 | 2012-03-16 18:54:15 +0100 | [diff] [blame] | 265 | dprint(FD_IO, "%s: rand offset failed, last=%llu, size=%llu\n", |
Jens Axboe | 4b91ee8 | 2013-02-25 10:18:33 +0100 | [diff] [blame] | 266 | f->file_name, (unsigned long long) f->last_pos, |
| 267 | (unsigned long long) f->real_file_size); |
Daniel Ehrenberg | c04e466 | 2012-03-16 18:54:15 +0100 | [diff] [blame] | 268 | return 1; |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 269 | } |
| 270 | |
Jens Axboe | 37cf9e3 | 2012-03-17 12:54:30 +0100 | [diff] [blame] | 271 | 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] | 272 | enum fio_ddir ddir, uint64_t *offset) |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 273 | { |
Jens Axboe | 8a42394 | 2014-09-28 16:18:43 -0600 | [diff] [blame^] | 274 | struct thread_options *o = &td->o; |
| 275 | |
Jens Axboe | ff58fce | 2010-08-25 12:02:08 +0200 | [diff] [blame] | 276 | assert(ddir_rw(ddir)); |
| 277 | |
Jens Axboe | 8a42394 | 2014-09-28 16:18:43 -0600 | [diff] [blame^] | 278 | if (f->last_pos >= f->io_size + get_start_offset(td, f) && |
| 279 | o->time_based) |
Daniel Ehrenberg | c04e466 | 2012-03-16 18:54:15 +0100 | [diff] [blame] | 280 | f->last_pos = f->last_pos - f->io_size; |
| 281 | |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 282 | if (f->last_pos < f->real_file_size) { |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame] | 283 | uint64_t pos; |
Jens Axboe | 059b080 | 2011-08-25 09:09:37 +0200 | [diff] [blame] | 284 | |
Jens Axboe | 8a42394 | 2014-09-28 16:18:43 -0600 | [diff] [blame^] | 285 | if (f->last_pos == f->file_offset && o->ddir_seq_add < 0) |
Jens Axboe | a66da7a | 2011-08-31 13:14:12 -0600 | [diff] [blame] | 286 | f->last_pos = f->real_file_size; |
| 287 | |
| 288 | pos = f->last_pos - f->file_offset; |
Jens Axboe | 8a42394 | 2014-09-28 16:18:43 -0600 | [diff] [blame^] | 289 | if (pos && o->ddir_seq_add) { |
| 290 | pos += o->ddir_seq_add; |
| 291 | |
| 292 | /* |
| 293 | * If we reach beyond the end of the file |
| 294 | * with holed IO, wrap around to the |
| 295 | * beginning again. |
| 296 | */ |
| 297 | if (pos >= f->real_file_size) |
| 298 | pos = f->file_offset; |
| 299 | } |
Jens Axboe | 059b080 | 2011-08-25 09:09:37 +0200 | [diff] [blame] | 300 | |
Jens Axboe | 37cf9e3 | 2012-03-17 12:54:30 +0100 | [diff] [blame] | 301 | *offset = pos; |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 302 | return 0; |
| 303 | } |
| 304 | |
| 305 | return 1; |
| 306 | } |
| 307 | |
| 308 | static int get_next_block(struct thread_data *td, struct io_u *io_u, |
Jens Axboe | 6aca9b3 | 2013-07-25 12:45:26 -0600 | [diff] [blame] | 309 | enum fio_ddir ddir, int rw_seq, |
| 310 | unsigned int *is_random) |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 311 | { |
| 312 | struct fio_file *f = io_u->file; |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame] | 313 | uint64_t b, offset; |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 314 | int ret; |
| 315 | |
Jens Axboe | ff58fce | 2010-08-25 12:02:08 +0200 | [diff] [blame] | 316 | assert(ddir_rw(ddir)); |
| 317 | |
Jens Axboe | 37cf9e3 | 2012-03-17 12:54:30 +0100 | [diff] [blame] | 318 | b = offset = -1ULL; |
| 319 | |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 320 | if (rw_seq) { |
Jens Axboe | 211c9b8 | 2013-04-26 08:56:17 -0600 | [diff] [blame] | 321 | if (td_random(td)) { |
Jens Axboe | 6aca9b3 | 2013-07-25 12:45:26 -0600 | [diff] [blame] | 322 | if (should_do_random(td, ddir)) { |
Jens Axboe | 211c9b8 | 2013-04-26 08:56:17 -0600 | [diff] [blame] | 323 | ret = get_next_rand_block(td, f, ddir, &b); |
Jens Axboe | 6aca9b3 | 2013-07-25 12:45:26 -0600 | [diff] [blame] | 324 | *is_random = 1; |
| 325 | } else { |
| 326 | *is_random = 0; |
Jens Axboe | 211c9b8 | 2013-04-26 08:56:17 -0600 | [diff] [blame] | 327 | io_u->flags |= IO_U_F_BUSY_OK; |
| 328 | ret = get_next_seq_offset(td, f, ddir, &offset); |
| 329 | if (ret) |
| 330 | ret = get_next_rand_block(td, f, ddir, &b); |
| 331 | } |
Jens Axboe | 6aca9b3 | 2013-07-25 12:45:26 -0600 | [diff] [blame] | 332 | } else { |
| 333 | *is_random = 0; |
Jens Axboe | 37cf9e3 | 2012-03-17 12:54:30 +0100 | [diff] [blame] | 334 | ret = get_next_seq_offset(td, f, ddir, &offset); |
Jens Axboe | 6aca9b3 | 2013-07-25 12:45:26 -0600 | [diff] [blame] | 335 | } |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 336 | } else { |
| 337 | io_u->flags |= IO_U_F_BUSY_OK; |
Jens Axboe | 6aca9b3 | 2013-07-25 12:45:26 -0600 | [diff] [blame] | 338 | *is_random = 0; |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 339 | |
| 340 | if (td->o.rw_seq == RW_SEQ_SEQ) { |
Jens Axboe | 37cf9e3 | 2012-03-17 12:54:30 +0100 | [diff] [blame] | 341 | ret = get_next_seq_offset(td, f, ddir, &offset); |
Jens Axboe | 6aca9b3 | 2013-07-25 12:45:26 -0600 | [diff] [blame] | 342 | if (ret) { |
Jens Axboe | 37cf9e3 | 2012-03-17 12:54:30 +0100 | [diff] [blame] | 343 | ret = get_next_rand_block(td, f, ddir, &b); |
Jens Axboe | 6aca9b3 | 2013-07-25 12:45:26 -0600 | [diff] [blame] | 344 | *is_random = 0; |
| 345 | } |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 346 | } else if (td->o.rw_seq == RW_SEQ_IDENT) { |
| 347 | if (f->last_start != -1ULL) |
Jens Axboe | 37cf9e3 | 2012-03-17 12:54:30 +0100 | [diff] [blame] | 348 | offset = f->last_start - f->file_offset; |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 349 | else |
Jens Axboe | 37cf9e3 | 2012-03-17 12:54:30 +0100 | [diff] [blame] | 350 | offset = 0; |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 351 | ret = 0; |
| 352 | } else { |
| 353 | log_err("fio: unknown rw_seq=%d\n", td->o.rw_seq); |
| 354 | ret = 1; |
| 355 | } |
| 356 | } |
Bruce Cran | 6d68b99 | 2013-01-13 17:21:58 +0000 | [diff] [blame] | 357 | |
Jens Axboe | 37cf9e3 | 2012-03-17 12:54:30 +0100 | [diff] [blame] | 358 | if (!ret) { |
| 359 | if (offset != -1ULL) |
| 360 | io_u->offset = offset; |
| 361 | else if (b != -1ULL) |
| 362 | io_u->offset = b * td->o.ba[ddir]; |
| 363 | else { |
Jens Axboe | 4e0a8fa | 2013-04-15 11:40:57 +0200 | [diff] [blame] | 364 | log_err("fio: bug in offset generation: offset=%llu, b=%llu\n", (unsigned long long) offset, (unsigned long long) b); |
Jens Axboe | 37cf9e3 | 2012-03-17 12:54:30 +0100 | [diff] [blame] | 365 | ret = 1; |
| 366 | } |
| 367 | } |
| 368 | |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 369 | return ret; |
| 370 | } |
| 371 | |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 372 | /* |
| 373 | * For random io, generate a random new block and see if it's used. Repeat |
| 374 | * until we find a free one. For sequential io, just return the end of |
| 375 | * the last io issued. |
| 376 | */ |
Jens Axboe | 6aca9b3 | 2013-07-25 12:45:26 -0600 | [diff] [blame] | 377 | static int __get_next_offset(struct thread_data *td, struct io_u *io_u, |
| 378 | unsigned int *is_random) |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 379 | { |
Jens Axboe | 9bf2061 | 2007-03-01 09:33:57 +0100 | [diff] [blame] | 380 | struct fio_file *f = io_u->file; |
Jens Axboe | 4ba6613 | 2008-02-05 10:05:50 +0100 | [diff] [blame] | 381 | enum fio_ddir ddir = io_u->ddir; |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 382 | int rw_seq_hit = 0; |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 383 | |
Jens Axboe | ff58fce | 2010-08-25 12:02:08 +0200 | [diff] [blame] | 384 | assert(ddir_rw(ddir)); |
| 385 | |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 386 | if (td->o.ddir_seq_nr && !--td->ddir_seq_nr) { |
| 387 | rw_seq_hit = 1; |
Jens Axboe | 5736c10 | 2010-07-20 12:03:25 -0600 | [diff] [blame] | 388 | td->ddir_seq_nr = td->o.ddir_seq_nr; |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 389 | } |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 390 | |
Jens Axboe | 6aca9b3 | 2013-07-25 12:45:26 -0600 | [diff] [blame] | 391 | if (get_next_block(td, io_u, ddir, rw_seq_hit, is_random)) |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 392 | return 1; |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 393 | |
Jens Axboe | 009bd84 | 2008-05-15 10:19:46 +0200 | [diff] [blame] | 394 | if (io_u->offset >= f->io_size) { |
| 395 | dprint(FD_IO, "get_next_offset: offset %llu >= io_size %llu\n", |
Jens Axboe | 4b91ee8 | 2013-02-25 10:18:33 +0100 | [diff] [blame] | 396 | (unsigned long long) io_u->offset, |
| 397 | (unsigned long long) f->io_size); |
Jens Axboe | 009bd84 | 2008-05-15 10:19:46 +0200 | [diff] [blame] | 398 | return 1; |
| 399 | } |
| 400 | |
| 401 | io_u->offset += f->file_offset; |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 402 | if (io_u->offset >= f->real_file_size) { |
| 403 | dprint(FD_IO, "get_next_offset: offset %llu >= size %llu\n", |
Jens Axboe | 4b91ee8 | 2013-02-25 10:18:33 +0100 | [diff] [blame] | 404 | (unsigned long long) io_u->offset, |
| 405 | (unsigned long long) f->real_file_size); |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 406 | return 1; |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 407 | } |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 408 | |
| 409 | return 0; |
| 410 | } |
| 411 | |
Jens Axboe | 6aca9b3 | 2013-07-25 12:45:26 -0600 | [diff] [blame] | 412 | static int get_next_offset(struct thread_data *td, struct io_u *io_u, |
| 413 | unsigned int *is_random) |
Jens Axboe | 15dc193 | 2010-03-05 10:59:06 +0100 | [diff] [blame] | 414 | { |
Jens Axboe | d72be54 | 2012-11-30 19:37:46 +0100 | [diff] [blame] | 415 | if (td->flags & TD_F_PROFILE_OPS) { |
| 416 | struct prof_io_ops *ops = &td->prof_io_ops; |
Jens Axboe | 7eb3657 | 2010-03-08 13:58:49 +0100 | [diff] [blame] | 417 | |
Jens Axboe | d72be54 | 2012-11-30 19:37:46 +0100 | [diff] [blame] | 418 | if (ops->fill_io_u_off) |
Jens Axboe | 6aca9b3 | 2013-07-25 12:45:26 -0600 | [diff] [blame] | 419 | return ops->fill_io_u_off(td, io_u, is_random); |
Jens Axboe | d72be54 | 2012-11-30 19:37:46 +0100 | [diff] [blame] | 420 | } |
Jens Axboe | 15dc193 | 2010-03-05 10:59:06 +0100 | [diff] [blame] | 421 | |
Jens Axboe | 6aca9b3 | 2013-07-25 12:45:26 -0600 | [diff] [blame] | 422 | return __get_next_offset(td, io_u, is_random); |
Jens Axboe | 15dc193 | 2010-03-05 10:59:06 +0100 | [diff] [blame] | 423 | } |
| 424 | |
Jens Axboe | 7994412 | 2011-05-24 11:26:16 +0200 | [diff] [blame] | 425 | static inline int io_u_fits(struct thread_data *td, struct io_u *io_u, |
| 426 | unsigned int buflen) |
| 427 | { |
| 428 | struct fio_file *f = io_u->file; |
| 429 | |
Jens Axboe | bedc9dc | 2014-03-17 12:51:09 -0600 | [diff] [blame] | 430 | return io_u->offset + buflen <= f->io_size + get_start_offset(td, f); |
Jens Axboe | 7994412 | 2011-05-24 11:26:16 +0200 | [diff] [blame] | 431 | } |
| 432 | |
Jens Axboe | 6aca9b3 | 2013-07-25 12:45:26 -0600 | [diff] [blame] | 433 | static unsigned int __get_next_buflen(struct thread_data *td, struct io_u *io_u, |
| 434 | unsigned int is_random) |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 435 | { |
Jens Axboe | 6aca9b3 | 2013-07-25 12:45:26 -0600 | [diff] [blame] | 436 | int ddir = io_u->ddir; |
Jens Axboe | 24d23ca | 2012-11-13 08:31:24 -0700 | [diff] [blame] | 437 | unsigned int buflen = 0; |
Jens Axboe | f3059de | 2008-06-11 15:37:32 +0200 | [diff] [blame] | 438 | unsigned int minbs, maxbs; |
Jens Axboe | 1294c3e | 2011-05-11 08:15:18 +0200 | [diff] [blame] | 439 | unsigned long r, rand_max; |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 440 | |
Erwan Velu | 9ee1c64 | 2014-04-02 10:51:16 +0200 | [diff] [blame] | 441 | assert(ddir_rw(ddir)); |
Jens Axboe | 6aca9b3 | 2013-07-25 12:45:26 -0600 | [diff] [blame] | 442 | |
| 443 | if (td->o.bs_is_seq_rand) |
| 444 | ddir = is_random ? DDIR_WRITE: DDIR_READ; |
Jens Axboe | ff58fce | 2010-08-25 12:02:08 +0200 | [diff] [blame] | 445 | |
Jens Axboe | f3059de | 2008-06-11 15:37:32 +0200 | [diff] [blame] | 446 | minbs = td->o.min_bs[ddir]; |
| 447 | maxbs = td->o.max_bs[ddir]; |
| 448 | |
Jens Axboe | 7994412 | 2011-05-24 11:26:16 +0200 | [diff] [blame] | 449 | if (minbs == maxbs) |
| 450 | return minbs; |
| 451 | |
Jens Axboe | 52c5802 | 2012-02-06 21:58:56 +0100 | [diff] [blame] | 452 | /* |
| 453 | * If we can't satisfy the min block size from here, then fail |
| 454 | */ |
| 455 | if (!io_u_fits(td, io_u, minbs)) |
| 456 | return 0; |
| 457 | |
Jens Axboe | 4c07ad8 | 2011-03-28 09:51:09 +0200 | [diff] [blame] | 458 | if (td->o.use_os_rand) |
| 459 | rand_max = OS_RAND_MAX; |
| 460 | else |
| 461 | rand_max = FRAND_MAX; |
| 462 | |
Jens Axboe | 7994412 | 2011-05-24 11:26:16 +0200 | [diff] [blame] | 463 | do { |
Jens Axboe | 4c07ad8 | 2011-03-28 09:51:09 +0200 | [diff] [blame] | 464 | if (td->o.use_os_rand) |
| 465 | r = os_random_long(&td->bsrange_state); |
| 466 | else |
| 467 | r = __rand(&td->__bsrange_state); |
| 468 | |
Jens Axboe | 720e84a | 2009-04-21 08:29:55 +0200 | [diff] [blame] | 469 | if (!td->o.bssplit_nr[ddir]) { |
Jens Axboe | f3059de | 2008-06-11 15:37:32 +0200 | [diff] [blame] | 470 | buflen = 1 + (unsigned int) ((double) maxbs * |
Jens Axboe | 4c07ad8 | 2011-03-28 09:51:09 +0200 | [diff] [blame] | 471 | (r / (rand_max + 1.0))); |
Jens Axboe | f3059de | 2008-06-11 15:37:32 +0200 | [diff] [blame] | 472 | if (buflen < minbs) |
| 473 | buflen = minbs; |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 474 | } else { |
Jens Axboe | 564ca97 | 2007-12-14 12:21:19 +0100 | [diff] [blame] | 475 | long perc = 0; |
| 476 | unsigned int i; |
| 477 | |
Jens Axboe | 720e84a | 2009-04-21 08:29:55 +0200 | [diff] [blame] | 478 | for (i = 0; i < td->o.bssplit_nr[ddir]; i++) { |
| 479 | struct bssplit *bsp = &td->o.bssplit[ddir][i]; |
Jens Axboe | 564ca97 | 2007-12-14 12:21:19 +0100 | [diff] [blame] | 480 | |
| 481 | buflen = bsp->bs; |
| 482 | perc += bsp->perc; |
Jens Axboe | 7994412 | 2011-05-24 11:26:16 +0200 | [diff] [blame] | 483 | if ((r <= ((rand_max / 100L) * perc)) && |
| 484 | io_u_fits(td, io_u, buflen)) |
Jens Axboe | 564ca97 | 2007-12-14 12:21:19 +0100 | [diff] [blame] | 485 | break; |
| 486 | } |
| 487 | } |
Jens Axboe | 7994412 | 2011-05-24 11:26:16 +0200 | [diff] [blame] | 488 | |
Josef Bacik | a9f70b1 | 2013-07-08 20:32:50 -0400 | [diff] [blame] | 489 | if (td->o.do_verify && td->o.verify != VERIFY_NONE) |
| 490 | buflen = (buflen + td->o.verify_interval - 1) & |
| 491 | ~(td->o.verify_interval - 1); |
| 492 | |
Jens Axboe | f3059de | 2008-06-11 15:37:32 +0200 | [diff] [blame] | 493 | if (!td->o.bs_unaligned && is_power_of_2(minbs)) |
| 494 | buflen = (buflen + minbs - 1) & ~(minbs - 1); |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 495 | |
Jens Axboe | 7994412 | 2011-05-24 11:26:16 +0200 | [diff] [blame] | 496 | } while (!io_u_fits(td, io_u, buflen)); |
Jens Axboe | 6a5e688 | 2007-07-26 10:47:51 +0200 | [diff] [blame] | 497 | |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 498 | return buflen; |
| 499 | } |
| 500 | |
Jens Axboe | 6aca9b3 | 2013-07-25 12:45:26 -0600 | [diff] [blame] | 501 | static unsigned int get_next_buflen(struct thread_data *td, struct io_u *io_u, |
| 502 | unsigned int is_random) |
Jens Axboe | 15dc193 | 2010-03-05 10:59:06 +0100 | [diff] [blame] | 503 | { |
Jens Axboe | d72be54 | 2012-11-30 19:37:46 +0100 | [diff] [blame] | 504 | if (td->flags & TD_F_PROFILE_OPS) { |
| 505 | struct prof_io_ops *ops = &td->prof_io_ops; |
Jens Axboe | 7eb3657 | 2010-03-08 13:58:49 +0100 | [diff] [blame] | 506 | |
Jens Axboe | d72be54 | 2012-11-30 19:37:46 +0100 | [diff] [blame] | 507 | if (ops->fill_io_u_size) |
Jens Axboe | 6aca9b3 | 2013-07-25 12:45:26 -0600 | [diff] [blame] | 508 | return ops->fill_io_u_size(td, io_u, is_random); |
Jens Axboe | d72be54 | 2012-11-30 19:37:46 +0100 | [diff] [blame] | 509 | } |
Jens Axboe | 15dc193 | 2010-03-05 10:59:06 +0100 | [diff] [blame] | 510 | |
Jens Axboe | 6aca9b3 | 2013-07-25 12:45:26 -0600 | [diff] [blame] | 511 | return __get_next_buflen(td, io_u, is_random); |
Jens Axboe | 15dc193 | 2010-03-05 10:59:06 +0100 | [diff] [blame] | 512 | } |
| 513 | |
Jens Axboe | afe24a5 | 2007-03-16 20:27:27 +0100 | [diff] [blame] | 514 | static void set_rwmix_bytes(struct thread_data *td) |
| 515 | { |
Jens Axboe | afe24a5 | 2007-03-16 20:27:27 +0100 | [diff] [blame] | 516 | unsigned int diff; |
| 517 | |
| 518 | /* |
| 519 | * we do time or byte based switch. this is needed because |
| 520 | * buffered writes may issue a lot quicker than they complete, |
| 521 | * whereas reads do not. |
| 522 | */ |
Jens Axboe | e47f799 | 2007-03-21 14:05:39 +0100 | [diff] [blame] | 523 | diff = td->o.rwmix[td->rwmix_ddir ^ 1]; |
Jens Axboe | 04c540d | 2008-05-28 10:35:26 +0200 | [diff] [blame] | 524 | td->rwmix_issues = (td->io_issues[td->rwmix_ddir] * diff) / 100; |
Jens Axboe | e47f799 | 2007-03-21 14:05:39 +0100 | [diff] [blame] | 525 | } |
| 526 | |
| 527 | static inline enum fio_ddir get_rand_ddir(struct thread_data *td) |
| 528 | { |
| 529 | unsigned int v; |
Jens Axboe | 1294c3e | 2011-05-11 08:15:18 +0200 | [diff] [blame] | 530 | unsigned long r; |
Jens Axboe | e47f799 | 2007-03-21 14:05:39 +0100 | [diff] [blame] | 531 | |
Jens Axboe | 4c07ad8 | 2011-03-28 09:51:09 +0200 | [diff] [blame] | 532 | if (td->o.use_os_rand) { |
| 533 | r = os_random_long(&td->rwmix_state); |
| 534 | v = 1 + (int) (100.0 * (r / (OS_RAND_MAX + 1.0))); |
| 535 | } else { |
| 536 | r = __rand(&td->__rwmix_state); |
| 537 | v = 1 + (int) (100.0 * (r / (FRAND_MAX + 1.0))); |
| 538 | } |
| 539 | |
Jens Axboe | 04c540d | 2008-05-28 10:35:26 +0200 | [diff] [blame] | 540 | if (v <= td->o.rwmix[DDIR_READ]) |
Jens Axboe | e47f799 | 2007-03-21 14:05:39 +0100 | [diff] [blame] | 541 | return DDIR_READ; |
| 542 | |
| 543 | return DDIR_WRITE; |
Jens Axboe | afe24a5 | 2007-03-16 20:27:27 +0100 | [diff] [blame] | 544 | } |
| 545 | |
Jens Axboe | 002e718 | 2013-05-17 12:39:53 +0200 | [diff] [blame] | 546 | void io_u_quiesce(struct thread_data *td) |
| 547 | { |
| 548 | /* |
| 549 | * We are going to sleep, ensure that we flush anything pending as |
| 550 | * not to skew our latency numbers. |
| 551 | * |
| 552 | * Changed to only monitor 'in flight' requests here instead of the |
| 553 | * td->cur_depth, b/c td->cur_depth does not accurately represent |
| 554 | * io's that have been actually submitted to an async engine, |
| 555 | * and cur_depth is meaningless for sync engines. |
| 556 | */ |
| 557 | while (td->io_u_in_flight) { |
| 558 | int fio_unused ret; |
| 559 | |
| 560 | ret = io_u_queued_complete(td, 1, NULL); |
| 561 | } |
| 562 | } |
| 563 | |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 564 | static enum fio_ddir rate_ddir(struct thread_data *td, enum fio_ddir ddir) |
| 565 | { |
| 566 | enum fio_ddir odir = ddir ^ 1; |
| 567 | struct timeval t; |
| 568 | long usec; |
| 569 | |
Jens Axboe | ff58fce | 2010-08-25 12:02:08 +0200 | [diff] [blame] | 570 | assert(ddir_rw(ddir)); |
| 571 | |
Jens Axboe | 315fcfe | 2013-02-08 19:05:25 +0100 | [diff] [blame] | 572 | if (td->rate_pending_usleep[ddir] <= 0) |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 573 | return ddir; |
| 574 | |
| 575 | /* |
| 576 | * We have too much pending sleep in this direction. See if we |
| 577 | * should switch. |
| 578 | */ |
Jens Axboe | 315fcfe | 2013-02-08 19:05:25 +0100 | [diff] [blame] | 579 | if (td_rw(td) && td->o.rwmix[odir]) { |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 580 | /* |
| 581 | * Other direction does not have too much pending, switch |
| 582 | */ |
| 583 | if (td->rate_pending_usleep[odir] < 100000) |
| 584 | return odir; |
| 585 | |
| 586 | /* |
| 587 | * Both directions have pending sleep. Sleep the minimum time |
| 588 | * and deduct from both. |
| 589 | */ |
| 590 | if (td->rate_pending_usleep[ddir] <= |
| 591 | td->rate_pending_usleep[odir]) { |
| 592 | usec = td->rate_pending_usleep[ddir]; |
| 593 | } else { |
| 594 | usec = td->rate_pending_usleep[odir]; |
| 595 | ddir = odir; |
| 596 | } |
| 597 | } else |
| 598 | usec = td->rate_pending_usleep[ddir]; |
| 599 | |
Jens Axboe | 002e718 | 2013-05-17 12:39:53 +0200 | [diff] [blame] | 600 | io_u_quiesce(td); |
Jens Axboe | 78c1eda | 2011-08-30 15:34:14 -0600 | [diff] [blame] | 601 | |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 602 | fio_gettime(&t, NULL); |
| 603 | usec_sleep(td, usec); |
| 604 | usec = utime_since_now(&t); |
| 605 | |
| 606 | td->rate_pending_usleep[ddir] -= usec; |
| 607 | |
| 608 | odir = ddir ^ 1; |
| 609 | if (td_rw(td) && __should_check_rate(td, odir)) |
| 610 | td->rate_pending_usleep[odir] -= usec; |
Jens Axboe | 0b9d69e | 2009-09-11 22:29:54 +0200 | [diff] [blame] | 611 | |
Shaohua Li | 6eaf09d | 2012-09-14 08:49:43 +0200 | [diff] [blame] | 612 | if (ddir_trim(ddir)) |
| 613 | return ddir; |
Jens Axboe | e0224c6 | 2013-02-07 19:55:24 +0100 | [diff] [blame] | 614 | |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 615 | return ddir; |
| 616 | } |
| 617 | |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 618 | /* |
| 619 | * Return the data direction for the next io_u. If the job is a |
| 620 | * mixed read/write workload, check the rwmix cycle and switch if |
| 621 | * necessary. |
| 622 | */ |
Jens Axboe | 1e97cce | 2006-12-05 11:44:16 +0100 | [diff] [blame] | 623 | static enum fio_ddir get_rw_ddir(struct thread_data *td) |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 624 | { |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 625 | enum fio_ddir ddir; |
| 626 | |
Jens Axboe | 5f9099e | 2009-06-16 22:40:26 +0200 | [diff] [blame] | 627 | /* |
| 628 | * see if it's time to fsync |
| 629 | */ |
| 630 | if (td->o.fsync_blocks && |
| 631 | !(td->io_issues[DDIR_WRITE] % td->o.fsync_blocks) && |
| 632 | td->io_issues[DDIR_WRITE] && should_fsync(td)) |
| 633 | return DDIR_SYNC; |
| 634 | |
| 635 | /* |
| 636 | * see if it's time to fdatasync |
| 637 | */ |
| 638 | if (td->o.fdatasync_blocks && |
| 639 | !(td->io_issues[DDIR_WRITE] % td->o.fdatasync_blocks) && |
| 640 | td->io_issues[DDIR_WRITE] && should_fsync(td)) |
| 641 | return DDIR_DATASYNC; |
| 642 | |
Jens Axboe | 44f2969 | 2010-03-09 20:09:44 +0100 | [diff] [blame] | 643 | /* |
| 644 | * see if it's time to sync_file_range |
| 645 | */ |
| 646 | if (td->sync_file_range_nr && |
| 647 | !(td->io_issues[DDIR_WRITE] % td->sync_file_range_nr) && |
| 648 | td->io_issues[DDIR_WRITE] && should_fsync(td)) |
| 649 | return DDIR_SYNC_FILE_RANGE; |
| 650 | |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 651 | if (td_rw(td)) { |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 652 | /* |
| 653 | * Check if it's time to seed a new data direction. |
| 654 | */ |
Jens Axboe | e492866 | 2008-04-07 09:19:46 +0200 | [diff] [blame] | 655 | if (td->io_issues[td->rwmix_ddir] >= td->rwmix_issues) { |
Jens Axboe | e47f799 | 2007-03-21 14:05:39 +0100 | [diff] [blame] | 656 | /* |
| 657 | * Put a top limit on how many bytes we do for |
| 658 | * one data direction, to avoid overflowing the |
| 659 | * ranges too much |
| 660 | */ |
| 661 | ddir = get_rand_ddir(td); |
Jens Axboe | e47f799 | 2007-03-21 14:05:39 +0100 | [diff] [blame] | 662 | |
| 663 | if (ddir != td->rwmix_ddir) |
| 664 | set_rwmix_bytes(td); |
| 665 | |
| 666 | td->rwmix_ddir = ddir; |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 667 | } |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 668 | ddir = td->rwmix_ddir; |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 669 | } else if (td_read(td)) |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 670 | ddir = DDIR_READ; |
Shaohua Li | 6eaf09d | 2012-09-14 08:49:43 +0200 | [diff] [blame] | 671 | else if (td_write(td)) |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 672 | ddir = DDIR_WRITE; |
Shaohua Li | 6eaf09d | 2012-09-14 08:49:43 +0200 | [diff] [blame] | 673 | else |
| 674 | ddir = DDIR_TRIM; |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 675 | |
| 676 | td->rwmix_ddir = rate_ddir(td, ddir); |
| 677 | return td->rwmix_ddir; |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 678 | } |
| 679 | |
Jens Axboe | 1ef2b6b | 2010-10-08 15:07:01 +0200 | [diff] [blame] | 680 | static void set_rw_ddir(struct thread_data *td, struct io_u *io_u) |
| 681 | { |
Jens Axboe | bcd5abf | 2013-01-23 09:27:25 -0700 | [diff] [blame] | 682 | io_u->ddir = io_u->acct_ddir = get_rw_ddir(td); |
Jens Axboe | 1ef2b6b | 2010-10-08 15:07:01 +0200 | [diff] [blame] | 683 | |
| 684 | if (io_u->ddir == DDIR_WRITE && (td->io_ops->flags & FIO_BARRIER) && |
| 685 | td->o.barrier_blocks && |
| 686 | !(td->io_issues[DDIR_WRITE] % td->o.barrier_blocks) && |
| 687 | td->io_issues[DDIR_WRITE]) |
| 688 | io_u->flags |= IO_U_F_BARRIER; |
| 689 | } |
| 690 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 691 | void put_file_log(struct thread_data *td, struct fio_file *f) |
Jens Axboe | 60f2c65 | 2008-05-16 12:31:36 +0200 | [diff] [blame] | 692 | { |
Jens Axboe | 71b84ca | 2014-04-14 12:01:45 -0600 | [diff] [blame] | 693 | unsigned int ret = put_file(td, f); |
Jens Axboe | 60f2c65 | 2008-05-16 12:31:36 +0200 | [diff] [blame] | 694 | |
| 695 | if (ret) |
| 696 | td_verror(td, ret, "file close"); |
| 697 | } |
| 698 | |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 699 | void put_io_u(struct thread_data *td, struct io_u *io_u) |
| 700 | { |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 701 | td_io_u_lock(td); |
| 702 | |
Jens Axboe | e69fdf7 | 2014-07-23 16:11:43 +0200 | [diff] [blame] | 703 | if (io_u->file && !(io_u->flags & IO_U_F_NO_FILE_PUT)) |
Jens Axboe | 60f2c65 | 2008-05-16 12:31:36 +0200 | [diff] [blame] | 704 | put_file_log(td, io_u->file); |
Jens Axboe | e69fdf7 | 2014-07-23 16:11:43 +0200 | [diff] [blame] | 705 | |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 706 | io_u->file = NULL; |
Steven Lang | d7ee2a7 | 2011-10-26 09:46:50 +0200 | [diff] [blame] | 707 | io_u->flags |= IO_U_F_FREE; |
| 708 | |
Radha Ramachandran | 0c41214 | 2009-11-03 21:45:31 +0100 | [diff] [blame] | 709 | if (io_u->flags & IO_U_F_IN_CUR_DEPTH) |
| 710 | td->cur_depth--; |
Jens Axboe | 2ae0b20 | 2013-05-28 14:16:55 +0200 | [diff] [blame] | 711 | io_u_qpush(&td->io_u_freelist, io_u); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 712 | td_io_u_unlock(td); |
| 713 | td_io_u_free_notify(td); |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 714 | } |
| 715 | |
Radha Ramachandran | f2bba18 | 2009-06-15 08:40:16 +0200 | [diff] [blame] | 716 | void clear_io_u(struct thread_data *td, struct io_u *io_u) |
| 717 | { |
| 718 | io_u->flags &= ~IO_U_F_FLIGHT; |
| 719 | put_io_u(td, io_u); |
| 720 | } |
| 721 | |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 722 | void requeue_io_u(struct thread_data *td, struct io_u **io_u) |
| 723 | { |
| 724 | struct io_u *__io_u = *io_u; |
Jens Axboe | bcd5abf | 2013-01-23 09:27:25 -0700 | [diff] [blame] | 725 | enum fio_ddir ddir = acct_ddir(__io_u); |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 726 | |
Jens Axboe | 465221b | 2008-05-30 22:07:49 +0200 | [diff] [blame] | 727 | dprint(FD_IO, "requeue %p\n", __io_u); |
| 728 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 729 | td_io_u_lock(td); |
| 730 | |
Jens Axboe | 4d2e0f4 | 2007-02-24 13:31:57 +0100 | [diff] [blame] | 731 | __io_u->flags |= IO_U_F_FREE; |
Jens Axboe | bcd5abf | 2013-01-23 09:27:25 -0700 | [diff] [blame] | 732 | if ((__io_u->flags & IO_U_F_FLIGHT) && ddir_rw(ddir)) |
| 733 | td->io_issues[ddir]--; |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 734 | |
Jens Axboe | 4d2e0f4 | 2007-02-24 13:31:57 +0100 | [diff] [blame] | 735 | __io_u->flags &= ~IO_U_F_FLIGHT; |
Radha Ramachandran | 0c41214 | 2009-11-03 21:45:31 +0100 | [diff] [blame] | 736 | if (__io_u->flags & IO_U_F_IN_CUR_DEPTH) |
| 737 | td->cur_depth--; |
Jens Axboe | 2ae0b20 | 2013-05-28 14:16:55 +0200 | [diff] [blame] | 738 | |
| 739 | io_u_rpush(&td->io_u_requeues, __io_u); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 740 | td_io_u_unlock(td); |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 741 | *io_u = NULL; |
| 742 | } |
| 743 | |
Jens Axboe | 9bf2061 | 2007-03-01 09:33:57 +0100 | [diff] [blame] | 744 | 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] | 745 | { |
Jens Axboe | 6aca9b3 | 2013-07-25 12:45:26 -0600 | [diff] [blame] | 746 | unsigned int is_random; |
| 747 | |
Jens Axboe | b4c5e1a | 2007-10-25 18:44:45 +0200 | [diff] [blame] | 748 | if (td->io_ops->flags & FIO_NOIO) |
| 749 | goto out; |
| 750 | |
Jens Axboe | 1ef2b6b | 2010-10-08 15:07:01 +0200 | [diff] [blame] | 751 | set_rw_ddir(td, io_u); |
Jens Axboe | a00735e | 2006-11-03 08:58:08 +0100 | [diff] [blame] | 752 | |
Jens Axboe | 87dc1ab | 2006-10-24 14:41:26 +0200 | [diff] [blame] | 753 | /* |
Jens Axboe | ff58fce | 2010-08-25 12:02:08 +0200 | [diff] [blame] | 754 | * fsync() or fdatasync() or trim etc, we are done |
Jens Axboe | 5f9099e | 2009-06-16 22:40:26 +0200 | [diff] [blame] | 755 | */ |
Jens Axboe | ff58fce | 2010-08-25 12:02:08 +0200 | [diff] [blame] | 756 | if (!ddir_rw(io_u->ddir)) |
Jens Axboe | 5f9099e | 2009-06-16 22:40:26 +0200 | [diff] [blame] | 757 | goto out; |
| 758 | |
| 759 | /* |
Jens Axboe | 48f5abd | 2007-07-20 13:25:04 +0200 | [diff] [blame] | 760 | * See if it's time to switch to a new zone |
| 761 | */ |
Jens Axboe | 13af05a | 2012-02-11 09:04:02 +0100 | [diff] [blame] | 762 | if (td->zone_bytes >= td->o.zone_size && td->o.zone_skip) { |
Jens Axboe | 48f5abd | 2007-07-20 13:25:04 +0200 | [diff] [blame] | 763 | td->zone_bytes = 0; |
Steven Noonan | ed33585 | 2012-01-31 13:58:00 +0100 | [diff] [blame] | 764 | io_u->file->file_offset += td->o.zone_range + td->o.zone_skip; |
| 765 | io_u->file->last_pos = io_u->file->file_offset; |
Jens Axboe | 48f5abd | 2007-07-20 13:25:04 +0200 | [diff] [blame] | 766 | td->io_skip_bytes += td->o.zone_skip; |
| 767 | } |
| 768 | |
| 769 | /* |
Jens Axboe | c685b5b | 2007-02-10 20:02:28 +0100 | [diff] [blame] | 770 | * No log, let the seq/rand engine retrieve the next buflen and |
| 771 | * position. |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 772 | */ |
Jens Axboe | 6aca9b3 | 2013-07-25 12:45:26 -0600 | [diff] [blame] | 773 | if (get_next_offset(td, io_u, &is_random)) { |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 774 | dprint(FD_IO, "io_u %p, failed getting offset\n", io_u); |
Jens Axboe | bca4ed4 | 2007-02-12 05:13:23 +0100 | [diff] [blame] | 775 | return 1; |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 776 | } |
Jens Axboe | c685b5b | 2007-02-10 20:02:28 +0100 | [diff] [blame] | 777 | |
Jens Axboe | 6aca9b3 | 2013-07-25 12:45:26 -0600 | [diff] [blame] | 778 | io_u->buflen = get_next_buflen(td, io_u, is_random); |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 779 | if (!io_u->buflen) { |
| 780 | dprint(FD_IO, "io_u %p, failed getting buflen\n", io_u); |
Jens Axboe | bca4ed4 | 2007-02-12 05:13:23 +0100 | [diff] [blame] | 781 | return 1; |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 782 | } |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 783 | |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 784 | if (io_u->offset + io_u->buflen > io_u->file->real_file_size) { |
| 785 | dprint(FD_IO, "io_u %p, offset too large\n", io_u); |
Jens Axboe | 4b91ee8 | 2013-02-25 10:18:33 +0100 | [diff] [blame] | 786 | dprint(FD_IO, " off=%llu/%lu > %llu\n", |
| 787 | (unsigned long long) io_u->offset, io_u->buflen, |
| 788 | (unsigned long long) io_u->file->real_file_size); |
Jens Axboe | 6a5e688 | 2007-07-26 10:47:51 +0200 | [diff] [blame] | 789 | return 1; |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 790 | } |
Jens Axboe | 6a5e688 | 2007-07-26 10:47:51 +0200 | [diff] [blame] | 791 | |
Jens Axboe | bca4ed4 | 2007-02-12 05:13:23 +0100 | [diff] [blame] | 792 | /* |
| 793 | * mark entry before potentially trimming io_u |
| 794 | */ |
Jens Axboe | 303032a | 2008-03-26 10:11:10 +0100 | [diff] [blame] | 795 | if (td_random(td) && file_randommap(td, io_u->file)) |
Jens Axboe | 9bf2061 | 2007-03-01 09:33:57 +0100 | [diff] [blame] | 796 | mark_random_map(td, io_u); |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 797 | |
Jens Axboe | c38e946 | 2007-03-27 08:48:48 +0200 | [diff] [blame] | 798 | out: |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 799 | dprint_io_u(io_u, "fill_io_u"); |
Jens Axboe | d9d91e3 | 2008-01-31 13:25:42 +0100 | [diff] [blame] | 800 | td->zone_bytes += io_u->buflen; |
Jens Axboe | bca4ed4 | 2007-02-12 05:13:23 +0100 | [diff] [blame] | 801 | return 0; |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 802 | } |
| 803 | |
Jens Axboe | 838bc70 | 2008-05-22 13:08:23 +0200 | [diff] [blame] | 804 | static void __io_u_mark_map(unsigned int *map, unsigned int nr) |
| 805 | { |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 806 | int idx = 0; |
Jens Axboe | 838bc70 | 2008-05-22 13:08:23 +0200 | [diff] [blame] | 807 | |
| 808 | switch (nr) { |
| 809 | default: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 810 | idx = 6; |
Jens Axboe | 838bc70 | 2008-05-22 13:08:23 +0200 | [diff] [blame] | 811 | break; |
| 812 | case 33 ... 64: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 813 | idx = 5; |
Jens Axboe | 838bc70 | 2008-05-22 13:08:23 +0200 | [diff] [blame] | 814 | break; |
| 815 | case 17 ... 32: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 816 | idx = 4; |
Jens Axboe | 838bc70 | 2008-05-22 13:08:23 +0200 | [diff] [blame] | 817 | break; |
| 818 | case 9 ... 16: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 819 | idx = 3; |
Jens Axboe | 838bc70 | 2008-05-22 13:08:23 +0200 | [diff] [blame] | 820 | break; |
| 821 | case 5 ... 8: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 822 | idx = 2; |
Jens Axboe | 838bc70 | 2008-05-22 13:08:23 +0200 | [diff] [blame] | 823 | break; |
| 824 | case 1 ... 4: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 825 | idx = 1; |
Jens Axboe | 838bc70 | 2008-05-22 13:08:23 +0200 | [diff] [blame] | 826 | case 0: |
| 827 | break; |
| 828 | } |
| 829 | |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 830 | map[idx]++; |
Jens Axboe | 838bc70 | 2008-05-22 13:08:23 +0200 | [diff] [blame] | 831 | } |
| 832 | |
| 833 | void io_u_mark_submit(struct thread_data *td, unsigned int nr) |
| 834 | { |
| 835 | __io_u_mark_map(td->ts.io_u_submit, nr); |
| 836 | td->ts.total_submit++; |
| 837 | } |
| 838 | |
| 839 | void io_u_mark_complete(struct thread_data *td, unsigned int nr) |
| 840 | { |
| 841 | __io_u_mark_map(td->ts.io_u_complete, nr); |
| 842 | td->ts.total_complete++; |
| 843 | } |
| 844 | |
Jens Axboe | d800575 | 2008-05-15 09:49:09 +0200 | [diff] [blame] | 845 | void io_u_mark_depth(struct thread_data *td, unsigned int nr) |
Jens Axboe | 71619dc | 2007-01-13 23:56:33 +0100 | [diff] [blame] | 846 | { |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 847 | int idx = 0; |
Jens Axboe | 71619dc | 2007-01-13 23:56:33 +0100 | [diff] [blame] | 848 | |
| 849 | switch (td->cur_depth) { |
| 850 | default: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 851 | idx = 6; |
Jens Axboe | a783e61 | 2007-06-19 09:50:28 +0200 | [diff] [blame] | 852 | break; |
Jens Axboe | 71619dc | 2007-01-13 23:56:33 +0100 | [diff] [blame] | 853 | case 32 ... 63: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 854 | idx = 5; |
Jens Axboe | a783e61 | 2007-06-19 09:50:28 +0200 | [diff] [blame] | 855 | break; |
Jens Axboe | 71619dc | 2007-01-13 23:56:33 +0100 | [diff] [blame] | 856 | case 16 ... 31: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 857 | idx = 4; |
Jens Axboe | a783e61 | 2007-06-19 09:50:28 +0200 | [diff] [blame] | 858 | break; |
Jens Axboe | 71619dc | 2007-01-13 23:56:33 +0100 | [diff] [blame] | 859 | case 8 ... 15: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 860 | idx = 3; |
Jens Axboe | a783e61 | 2007-06-19 09:50:28 +0200 | [diff] [blame] | 861 | break; |
Jens Axboe | 71619dc | 2007-01-13 23:56:33 +0100 | [diff] [blame] | 862 | case 4 ... 7: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 863 | idx = 2; |
Jens Axboe | a783e61 | 2007-06-19 09:50:28 +0200 | [diff] [blame] | 864 | break; |
Jens Axboe | 71619dc | 2007-01-13 23:56:33 +0100 | [diff] [blame] | 865 | case 2 ... 3: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 866 | idx = 1; |
Jens Axboe | 71619dc | 2007-01-13 23:56:33 +0100 | [diff] [blame] | 867 | case 1: |
| 868 | break; |
| 869 | } |
| 870 | |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 871 | td->ts.io_u_map[idx] += nr; |
Jens Axboe | 71619dc | 2007-01-13 23:56:33 +0100 | [diff] [blame] | 872 | } |
| 873 | |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 874 | static void io_u_mark_lat_usec(struct thread_data *td, unsigned long usec) |
| 875 | { |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 876 | int idx = 0; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 877 | |
| 878 | assert(usec < 1000); |
| 879 | |
| 880 | switch (usec) { |
| 881 | case 750 ... 999: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 882 | idx = 9; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 883 | break; |
| 884 | case 500 ... 749: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 885 | idx = 8; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 886 | break; |
| 887 | case 250 ... 499: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 888 | idx = 7; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 889 | break; |
| 890 | case 100 ... 249: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 891 | idx = 6; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 892 | break; |
| 893 | case 50 ... 99: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 894 | idx = 5; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 895 | break; |
| 896 | case 20 ... 49: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 897 | idx = 4; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 898 | break; |
| 899 | case 10 ... 19: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 900 | idx = 3; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 901 | break; |
| 902 | case 4 ... 9: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 903 | idx = 2; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 904 | break; |
| 905 | case 2 ... 3: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 906 | idx = 1; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 907 | case 0 ... 1: |
| 908 | break; |
| 909 | } |
| 910 | |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 911 | assert(idx < FIO_IO_U_LAT_U_NR); |
| 912 | td->ts.io_u_lat_u[idx]++; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 913 | } |
| 914 | |
| 915 | 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] | 916 | { |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 917 | int idx = 0; |
Jens Axboe | ec11830 | 2007-02-17 04:38:20 +0100 | [diff] [blame] | 918 | |
| 919 | switch (msec) { |
| 920 | default: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 921 | idx = 11; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 922 | break; |
Jens Axboe | 8abdce6 | 2007-02-21 10:22:55 +0100 | [diff] [blame] | 923 | case 1000 ... 1999: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 924 | idx = 10; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 925 | break; |
Jens Axboe | 8abdce6 | 2007-02-21 10:22:55 +0100 | [diff] [blame] | 926 | case 750 ... 999: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 927 | idx = 9; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 928 | break; |
Jens Axboe | 8abdce6 | 2007-02-21 10:22:55 +0100 | [diff] [blame] | 929 | case 500 ... 749: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 930 | idx = 8; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 931 | break; |
Jens Axboe | 8abdce6 | 2007-02-21 10:22:55 +0100 | [diff] [blame] | 932 | case 250 ... 499: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 933 | idx = 7; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 934 | break; |
Jens Axboe | 8abdce6 | 2007-02-21 10:22:55 +0100 | [diff] [blame] | 935 | case 100 ... 249: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 936 | idx = 6; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 937 | break; |
Jens Axboe | 8abdce6 | 2007-02-21 10:22:55 +0100 | [diff] [blame] | 938 | case 50 ... 99: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 939 | idx = 5; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 940 | break; |
Jens Axboe | 8abdce6 | 2007-02-21 10:22:55 +0100 | [diff] [blame] | 941 | case 20 ... 49: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 942 | idx = 4; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 943 | break; |
Jens Axboe | 8abdce6 | 2007-02-21 10:22:55 +0100 | [diff] [blame] | 944 | case 10 ... 19: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 945 | idx = 3; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 946 | break; |
Jens Axboe | 8abdce6 | 2007-02-21 10:22:55 +0100 | [diff] [blame] | 947 | case 4 ... 9: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 948 | idx = 2; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 949 | break; |
Jens Axboe | ec11830 | 2007-02-17 04:38:20 +0100 | [diff] [blame] | 950 | case 2 ... 3: |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 951 | idx = 1; |
Jens Axboe | ec11830 | 2007-02-17 04:38:20 +0100 | [diff] [blame] | 952 | case 0 ... 1: |
| 953 | break; |
| 954 | } |
| 955 | |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 956 | assert(idx < FIO_IO_U_LAT_M_NR); |
| 957 | td->ts.io_u_lat_m[idx]++; |
Jens Axboe | 04a0fea | 2007-06-19 12:48:41 +0200 | [diff] [blame] | 958 | } |
| 959 | |
| 960 | static void io_u_mark_latency(struct thread_data *td, unsigned long usec) |
| 961 | { |
| 962 | if (usec < 1000) |
| 963 | io_u_mark_lat_usec(td, usec); |
| 964 | else |
| 965 | io_u_mark_lat_msec(td, usec / 1000); |
Jens Axboe | ec11830 | 2007-02-17 04:38:20 +0100 | [diff] [blame] | 966 | } |
| 967 | |
Jens Axboe | 0aabe16 | 2007-02-23 08:45:55 +0100 | [diff] [blame] | 968 | /* |
| 969 | * Get next file to service by choosing one at random |
| 970 | */ |
Jens Axboe | 2cc5293 | 2009-06-09 14:14:20 +0200 | [diff] [blame] | 971 | static struct fio_file *get_next_file_rand(struct thread_data *td, |
| 972 | enum fio_file_flags goodf, |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 973 | enum fio_file_flags badf) |
Jens Axboe | 0aabe16 | 2007-02-23 08:45:55 +0100 | [diff] [blame] | 974 | { |
Jens Axboe | 0aabe16 | 2007-02-23 08:45:55 +0100 | [diff] [blame] | 975 | struct fio_file *f; |
Jens Axboe | 1c17818 | 2007-03-13 13:25:18 +0100 | [diff] [blame] | 976 | int fno; |
Jens Axboe | 0aabe16 | 2007-02-23 08:45:55 +0100 | [diff] [blame] | 977 | |
| 978 | do { |
Jens Axboe | 87b1067 | 2009-03-04 09:39:47 +0100 | [diff] [blame] | 979 | int opened = 0; |
Jens Axboe | 1294c3e | 2011-05-11 08:15:18 +0200 | [diff] [blame] | 980 | unsigned long r; |
Jens Axboe | 7c83c08 | 2007-03-01 10:04:15 +0100 | [diff] [blame] | 981 | |
Jens Axboe | 4c07ad8 | 2011-03-28 09:51:09 +0200 | [diff] [blame] | 982 | if (td->o.use_os_rand) { |
| 983 | r = os_random_long(&td->next_file_state); |
| 984 | fno = (unsigned int) ((double) td->o.nr_files |
| 985 | * (r / (OS_RAND_MAX + 1.0))); |
| 986 | } else { |
| 987 | r = __rand(&td->__next_file_state); |
| 988 | fno = (unsigned int) ((double) td->o.nr_files |
| 989 | * (r / (FRAND_MAX + 1.0))); |
| 990 | } |
| 991 | |
Jens Axboe | 126d65c | 2008-03-01 18:04:31 +0100 | [diff] [blame] | 992 | f = td->files[fno]; |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 993 | if (fio_file_done(f)) |
Jens Axboe | 059e63c | 2007-03-27 20:34:47 +0200 | [diff] [blame] | 994 | continue; |
Jens Axboe | 1c17818 | 2007-03-13 13:25:18 +0100 | [diff] [blame] | 995 | |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 996 | if (!fio_file_open(f)) { |
Jens Axboe | 87b1067 | 2009-03-04 09:39:47 +0100 | [diff] [blame] | 997 | int err; |
| 998 | |
Jens Axboe | 002fe73 | 2014-02-11 08:31:13 -0700 | [diff] [blame] | 999 | if (td->nr_open_files >= td->o.open_files) |
| 1000 | return ERR_PTR(-EBUSY); |
| 1001 | |
Jens Axboe | 87b1067 | 2009-03-04 09:39:47 +0100 | [diff] [blame] | 1002 | err = td_io_open_file(td, f); |
| 1003 | if (err) |
| 1004 | continue; |
| 1005 | opened = 1; |
| 1006 | } |
| 1007 | |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 1008 | if ((!goodf || (f->flags & goodf)) && !(f->flags & badf)) { |
| 1009 | dprint(FD_FILE, "get_next_file_rand: %p\n", f); |
Jens Axboe | 0aabe16 | 2007-02-23 08:45:55 +0100 | [diff] [blame] | 1010 | return f; |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 1011 | } |
Jens Axboe | 87b1067 | 2009-03-04 09:39:47 +0100 | [diff] [blame] | 1012 | if (opened) |
| 1013 | td_io_close_file(td, f); |
Jens Axboe | 0aabe16 | 2007-02-23 08:45:55 +0100 | [diff] [blame] | 1014 | } while (1); |
| 1015 | } |
| 1016 | |
| 1017 | /* |
| 1018 | * Get next file to service by doing round robin between all available ones |
| 1019 | */ |
Jens Axboe | 1c17818 | 2007-03-13 13:25:18 +0100 | [diff] [blame] | 1020 | static struct fio_file *get_next_file_rr(struct thread_data *td, int goodf, |
| 1021 | int badf) |
Jens Axboe | 3d7c391 | 2007-02-19 13:16:12 +0100 | [diff] [blame] | 1022 | { |
| 1023 | unsigned int old_next_file = td->next_file; |
| 1024 | struct fio_file *f; |
| 1025 | |
| 1026 | do { |
Jens Axboe | 87b1067 | 2009-03-04 09:39:47 +0100 | [diff] [blame] | 1027 | int opened = 0; |
| 1028 | |
Jens Axboe | 126d65c | 2008-03-01 18:04:31 +0100 | [diff] [blame] | 1029 | f = td->files[td->next_file]; |
Jens Axboe | 3d7c391 | 2007-02-19 13:16:12 +0100 | [diff] [blame] | 1030 | |
| 1031 | td->next_file++; |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 1032 | if (td->next_file >= td->o.nr_files) |
Jens Axboe | 3d7c391 | 2007-02-19 13:16:12 +0100 | [diff] [blame] | 1033 | td->next_file = 0; |
| 1034 | |
Jens Axboe | 87b1067 | 2009-03-04 09:39:47 +0100 | [diff] [blame] | 1035 | 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] | 1036 | if (fio_file_done(f)) { |
Jens Axboe | d5ed68e | 2007-03-28 09:33:43 +0200 | [diff] [blame] | 1037 | f = NULL; |
Jens Axboe | 059e63c | 2007-03-27 20:34:47 +0200 | [diff] [blame] | 1038 | continue; |
Jens Axboe | d5ed68e | 2007-03-28 09:33:43 +0200 | [diff] [blame] | 1039 | } |
Jens Axboe | 059e63c | 2007-03-27 20:34:47 +0200 | [diff] [blame] | 1040 | |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 1041 | if (!fio_file_open(f)) { |
Jens Axboe | 87b1067 | 2009-03-04 09:39:47 +0100 | [diff] [blame] | 1042 | int err; |
| 1043 | |
Jens Axboe | 002fe73 | 2014-02-11 08:31:13 -0700 | [diff] [blame] | 1044 | if (td->nr_open_files >= td->o.open_files) |
| 1045 | return ERR_PTR(-EBUSY); |
| 1046 | |
Jens Axboe | 87b1067 | 2009-03-04 09:39:47 +0100 | [diff] [blame] | 1047 | err = td_io_open_file(td, f); |
Jens Axboe | b5696bf | 2009-03-04 16:03:49 +0100 | [diff] [blame] | 1048 | if (err) { |
| 1049 | dprint(FD_FILE, "error %d on open of %s\n", |
| 1050 | err, f->file_name); |
Jens Axboe | 87c27b4 | 2009-05-20 10:45:12 +0200 | [diff] [blame] | 1051 | f = NULL; |
Jens Axboe | 87b1067 | 2009-03-04 09:39:47 +0100 | [diff] [blame] | 1052 | continue; |
Jens Axboe | b5696bf | 2009-03-04 16:03:49 +0100 | [diff] [blame] | 1053 | } |
Jens Axboe | 87b1067 | 2009-03-04 09:39:47 +0100 | [diff] [blame] | 1054 | opened = 1; |
| 1055 | } |
| 1056 | |
Jens Axboe | 0b9d69e | 2009-09-11 22:29:54 +0200 | [diff] [blame] | 1057 | dprint(FD_FILE, "goodf=%x, badf=%x, ff=%x\n", goodf, badf, |
| 1058 | f->flags); |
Jens Axboe | 1c17818 | 2007-03-13 13:25:18 +0100 | [diff] [blame] | 1059 | if ((!goodf || (f->flags & goodf)) && !(f->flags & badf)) |
Jens Axboe | 3d7c391 | 2007-02-19 13:16:12 +0100 | [diff] [blame] | 1060 | break; |
| 1061 | |
Jens Axboe | 87b1067 | 2009-03-04 09:39:47 +0100 | [diff] [blame] | 1062 | if (opened) |
| 1063 | td_io_close_file(td, f); |
| 1064 | |
Jens Axboe | 3d7c391 | 2007-02-19 13:16:12 +0100 | [diff] [blame] | 1065 | f = NULL; |
| 1066 | } while (td->next_file != old_next_file); |
| 1067 | |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 1068 | dprint(FD_FILE, "get_next_file_rr: %p\n", f); |
Jens Axboe | 3d7c391 | 2007-02-19 13:16:12 +0100 | [diff] [blame] | 1069 | return f; |
| 1070 | } |
| 1071 | |
Jens Axboe | 7eb3657 | 2010-03-08 13:58:49 +0100 | [diff] [blame] | 1072 | static struct fio_file *__get_next_file(struct thread_data *td) |
Jens Axboe | bdb4e2e | 2007-03-01 09:54:57 +0100 | [diff] [blame] | 1073 | { |
Jens Axboe | 1907dbc | 2007-03-12 11:44:28 +0100 | [diff] [blame] | 1074 | struct fio_file *f; |
| 1075 | |
Jens Axboe | 2dc1bbe | 2007-03-15 15:01:33 +0100 | [diff] [blame] | 1076 | assert(td->o.nr_files <= td->files_index); |
Jens Axboe | 1c17818 | 2007-03-13 13:25:18 +0100 | [diff] [blame] | 1077 | |
Jens Axboe | b5696bf | 2009-03-04 16:03:49 +0100 | [diff] [blame] | 1078 | if (td->nr_done_files >= td->o.nr_files) { |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 1079 | dprint(FD_FILE, "get_next_file: nr_open=%d, nr_done=%d," |
| 1080 | " nr_files=%d\n", td->nr_open_files, |
| 1081 | td->nr_done_files, |
| 1082 | td->o.nr_files); |
Jens Axboe | bdb4e2e | 2007-03-01 09:54:57 +0100 | [diff] [blame] | 1083 | return NULL; |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 1084 | } |
Jens Axboe | bdb4e2e | 2007-03-01 09:54:57 +0100 | [diff] [blame] | 1085 | |
Jens Axboe | 1907dbc | 2007-03-12 11:44:28 +0100 | [diff] [blame] | 1086 | f = td->file_service_file; |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 1087 | if (f && fio_file_open(f) && !fio_file_closing(f)) { |
Jens Axboe | a086c25 | 2009-03-04 08:27:37 +0100 | [diff] [blame] | 1088 | if (td->o.file_service_type == FIO_FSERVICE_SEQ) |
| 1089 | goto out; |
| 1090 | if (td->file_service_left--) |
| 1091 | goto out; |
| 1092 | } |
Jens Axboe | 1907dbc | 2007-03-12 11:44:28 +0100 | [diff] [blame] | 1093 | |
Jens Axboe | a086c25 | 2009-03-04 08:27:37 +0100 | [diff] [blame] | 1094 | if (td->o.file_service_type == FIO_FSERVICE_RR || |
| 1095 | td->o.file_service_type == FIO_FSERVICE_SEQ) |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 1096 | f = get_next_file_rr(td, FIO_FILE_open, FIO_FILE_closing); |
Jens Axboe | bdb4e2e | 2007-03-01 09:54:57 +0100 | [diff] [blame] | 1097 | else |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 1098 | f = get_next_file_rand(td, FIO_FILE_open, FIO_FILE_closing); |
Jens Axboe | 1907dbc | 2007-03-12 11:44:28 +0100 | [diff] [blame] | 1099 | |
Jens Axboe | 002fe73 | 2014-02-11 08:31:13 -0700 | [diff] [blame] | 1100 | if (IS_ERR(f)) |
| 1101 | return f; |
| 1102 | |
Jens Axboe | 1907dbc | 2007-03-12 11:44:28 +0100 | [diff] [blame] | 1103 | td->file_service_file = f; |
| 1104 | td->file_service_left = td->file_service_nr - 1; |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 1105 | out: |
Jens Axboe | 0dac421 | 2014-02-25 13:43:17 -0800 | [diff] [blame] | 1106 | if (f) |
| 1107 | dprint(FD_FILE, "get_next_file: %p [%s]\n", f, f->file_name); |
| 1108 | else |
| 1109 | dprint(FD_FILE, "get_next_file: NULL\n"); |
Jens Axboe | 1907dbc | 2007-03-12 11:44:28 +0100 | [diff] [blame] | 1110 | return f; |
Jens Axboe | bdb4e2e | 2007-03-01 09:54:57 +0100 | [diff] [blame] | 1111 | } |
| 1112 | |
Jens Axboe | 7eb3657 | 2010-03-08 13:58:49 +0100 | [diff] [blame] | 1113 | static struct fio_file *get_next_file(struct thread_data *td) |
| 1114 | { |
Andrey Kuzmin | 705fa7e | 2014-06-27 20:21:22 -0600 | [diff] [blame] | 1115 | if (td->flags & TD_F_PROFILE_OPS) { |
Jens Axboe | d72be54 | 2012-11-30 19:37:46 +0100 | [diff] [blame] | 1116 | struct prof_io_ops *ops = &td->prof_io_ops; |
Jens Axboe | 7eb3657 | 2010-03-08 13:58:49 +0100 | [diff] [blame] | 1117 | |
Jens Axboe | d72be54 | 2012-11-30 19:37:46 +0100 | [diff] [blame] | 1118 | if (ops->get_next_file) |
| 1119 | return ops->get_next_file(td); |
| 1120 | } |
Jens Axboe | 7eb3657 | 2010-03-08 13:58:49 +0100 | [diff] [blame] | 1121 | |
| 1122 | return __get_next_file(td); |
| 1123 | } |
| 1124 | |
Jens Axboe | 002fe73 | 2014-02-11 08:31:13 -0700 | [diff] [blame] | 1125 | static long set_io_u_file(struct thread_data *td, struct io_u *io_u) |
Jens Axboe | 429f667 | 2007-07-23 10:38:43 +0200 | [diff] [blame] | 1126 | { |
| 1127 | struct fio_file *f; |
| 1128 | |
| 1129 | do { |
| 1130 | f = get_next_file(td); |
Jens Axboe | 002fe73 | 2014-02-11 08:31:13 -0700 | [diff] [blame] | 1131 | if (IS_ERR_OR_NULL(f)) |
| 1132 | return PTR_ERR(f); |
Jens Axboe | 429f667 | 2007-07-23 10:38:43 +0200 | [diff] [blame] | 1133 | |
Jens Axboe | 429f667 | 2007-07-23 10:38:43 +0200 | [diff] [blame] | 1134 | io_u->file = f; |
| 1135 | get_file(f); |
| 1136 | |
| 1137 | if (!fill_io_u(td, io_u)) |
| 1138 | break; |
| 1139 | |
Jens Axboe | b5696bf | 2009-03-04 16:03:49 +0100 | [diff] [blame] | 1140 | put_file_log(td, f); |
Jens Axboe | 429f667 | 2007-07-23 10:38:43 +0200 | [diff] [blame] | 1141 | td_io_close_file(td, f); |
Jens Axboe | b5696bf | 2009-03-04 16:03:49 +0100 | [diff] [blame] | 1142 | io_u->file = NULL; |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 1143 | fio_file_set_done(f); |
Jens Axboe | 429f667 | 2007-07-23 10:38:43 +0200 | [diff] [blame] | 1144 | td->nr_done_files++; |
Jens Axboe | 0b9d69e | 2009-09-11 22:29:54 +0200 | [diff] [blame] | 1145 | dprint(FD_FILE, "%s: is done (%d of %d)\n", f->file_name, |
| 1146 | td->nr_done_files, td->o.nr_files); |
Jens Axboe | 429f667 | 2007-07-23 10:38:43 +0200 | [diff] [blame] | 1147 | } while (1); |
| 1148 | |
| 1149 | return 0; |
| 1150 | } |
| 1151 | |
Jens Axboe | 3e260a4 | 2013-12-09 12:38:53 -0700 | [diff] [blame] | 1152 | static void lat_fatal(struct thread_data *td, struct io_completion_data *icd, |
| 1153 | unsigned long tusec, unsigned long max_usec) |
| 1154 | { |
| 1155 | if (!td->error) |
| 1156 | log_err("fio: latency of %lu usec exceeds specified max (%lu usec)\n", tusec, max_usec); |
| 1157 | td_verror(td, ETIMEDOUT, "max latency exceeded"); |
| 1158 | icd->error = ETIMEDOUT; |
| 1159 | } |
| 1160 | |
| 1161 | static void lat_new_cycle(struct thread_data *td) |
| 1162 | { |
| 1163 | fio_gettime(&td->latency_ts, NULL); |
| 1164 | td->latency_ios = ddir_rw_sum(td->io_blocks); |
| 1165 | td->latency_failed = 0; |
| 1166 | } |
| 1167 | |
| 1168 | /* |
| 1169 | * We had an IO outside the latency target. Reduce the queue depth. If we |
| 1170 | * are at QD=1, then it's time to give up. |
| 1171 | */ |
| 1172 | static int __lat_target_failed(struct thread_data *td) |
| 1173 | { |
| 1174 | if (td->latency_qd == 1) |
| 1175 | return 1; |
| 1176 | |
| 1177 | td->latency_qd_high = td->latency_qd; |
Jens Axboe | 6bb5821 | 2014-02-21 13:55:31 -0800 | [diff] [blame] | 1178 | |
| 1179 | if (td->latency_qd == td->latency_qd_low) |
| 1180 | td->latency_qd_low--; |
| 1181 | |
Jens Axboe | 3e260a4 | 2013-12-09 12:38:53 -0700 | [diff] [blame] | 1182 | td->latency_qd = (td->latency_qd + td->latency_qd_low) / 2; |
| 1183 | |
| 1184 | dprint(FD_RATE, "Ramped down: %d %d %d\n", td->latency_qd_low, td->latency_qd, td->latency_qd_high); |
| 1185 | |
| 1186 | /* |
| 1187 | * When we ramp QD down, quiesce existing IO to prevent |
| 1188 | * a storm of ramp downs due to pending higher depth. |
| 1189 | */ |
| 1190 | io_u_quiesce(td); |
| 1191 | lat_new_cycle(td); |
| 1192 | return 0; |
| 1193 | } |
| 1194 | |
| 1195 | static int lat_target_failed(struct thread_data *td) |
| 1196 | { |
| 1197 | if (td->o.latency_percentile.u.f == 100.0) |
| 1198 | return __lat_target_failed(td); |
| 1199 | |
| 1200 | td->latency_failed++; |
| 1201 | return 0; |
| 1202 | } |
| 1203 | |
| 1204 | void lat_target_init(struct thread_data *td) |
| 1205 | { |
Jens Axboe | 6bb5821 | 2014-02-21 13:55:31 -0800 | [diff] [blame] | 1206 | td->latency_end_run = 0; |
| 1207 | |
Jens Axboe | 3e260a4 | 2013-12-09 12:38:53 -0700 | [diff] [blame] | 1208 | if (td->o.latency_target) { |
| 1209 | dprint(FD_RATE, "Latency target=%llu\n", td->o.latency_target); |
| 1210 | fio_gettime(&td->latency_ts, NULL); |
| 1211 | td->latency_qd = 1; |
| 1212 | td->latency_qd_high = td->o.iodepth; |
| 1213 | td->latency_qd_low = 1; |
| 1214 | td->latency_ios = ddir_rw_sum(td->io_blocks); |
| 1215 | } else |
| 1216 | td->latency_qd = td->o.iodepth; |
| 1217 | } |
| 1218 | |
Jens Axboe | 6bb5821 | 2014-02-21 13:55:31 -0800 | [diff] [blame] | 1219 | void lat_target_reset(struct thread_data *td) |
| 1220 | { |
| 1221 | if (!td->latency_end_run) |
| 1222 | lat_target_init(td); |
| 1223 | } |
| 1224 | |
Jens Axboe | 3e260a4 | 2013-12-09 12:38:53 -0700 | [diff] [blame] | 1225 | static void lat_target_success(struct thread_data *td) |
| 1226 | { |
| 1227 | const unsigned int qd = td->latency_qd; |
Jens Axboe | 6bb5821 | 2014-02-21 13:55:31 -0800 | [diff] [blame] | 1228 | struct thread_options *o = &td->o; |
Jens Axboe | 3e260a4 | 2013-12-09 12:38:53 -0700 | [diff] [blame] | 1229 | |
| 1230 | td->latency_qd_low = td->latency_qd; |
| 1231 | |
| 1232 | /* |
| 1233 | * If we haven't failed yet, we double up to a failing value instead |
| 1234 | * of bisecting from highest possible queue depth. If we have set |
| 1235 | * a limit other than td->o.iodepth, bisect between that. |
| 1236 | */ |
Jens Axboe | 6bb5821 | 2014-02-21 13:55:31 -0800 | [diff] [blame] | 1237 | if (td->latency_qd_high != o->iodepth) |
Jens Axboe | 3e260a4 | 2013-12-09 12:38:53 -0700 | [diff] [blame] | 1238 | td->latency_qd = (td->latency_qd + td->latency_qd_high) / 2; |
| 1239 | else |
| 1240 | td->latency_qd *= 2; |
| 1241 | |
Jens Axboe | 6bb5821 | 2014-02-21 13:55:31 -0800 | [diff] [blame] | 1242 | if (td->latency_qd > o->iodepth) |
| 1243 | td->latency_qd = o->iodepth; |
Jens Axboe | 3e260a4 | 2013-12-09 12:38:53 -0700 | [diff] [blame] | 1244 | |
| 1245 | dprint(FD_RATE, "Ramped up: %d %d %d\n", td->latency_qd_low, td->latency_qd, td->latency_qd_high); |
Jens Axboe | 6bb5821 | 2014-02-21 13:55:31 -0800 | [diff] [blame] | 1246 | |
Jens Axboe | 3e260a4 | 2013-12-09 12:38:53 -0700 | [diff] [blame] | 1247 | /* |
Jens Axboe | 6bb5821 | 2014-02-21 13:55:31 -0800 | [diff] [blame] | 1248 | * Same as last one, we are done. Let it run a latency cycle, so |
| 1249 | * we get only the results from the targeted depth. |
Jens Axboe | 3e260a4 | 2013-12-09 12:38:53 -0700 | [diff] [blame] | 1250 | */ |
Jens Axboe | 6bb5821 | 2014-02-21 13:55:31 -0800 | [diff] [blame] | 1251 | if (td->latency_qd == qd) { |
| 1252 | if (td->latency_end_run) { |
| 1253 | dprint(FD_RATE, "We are done\n"); |
| 1254 | td->done = 1; |
| 1255 | } else { |
| 1256 | dprint(FD_RATE, "Quiesce and final run\n"); |
| 1257 | io_u_quiesce(td); |
| 1258 | td->latency_end_run = 1; |
| 1259 | reset_all_stats(td); |
| 1260 | reset_io_stats(td); |
| 1261 | } |
| 1262 | } |
Jens Axboe | 3e260a4 | 2013-12-09 12:38:53 -0700 | [diff] [blame] | 1263 | |
| 1264 | lat_new_cycle(td); |
| 1265 | } |
| 1266 | |
| 1267 | /* |
| 1268 | * Check if we can bump the queue depth |
| 1269 | */ |
| 1270 | void lat_target_check(struct thread_data *td) |
| 1271 | { |
| 1272 | uint64_t usec_window; |
| 1273 | uint64_t ios; |
| 1274 | double success_ios; |
| 1275 | |
| 1276 | usec_window = utime_since_now(&td->latency_ts); |
| 1277 | if (usec_window < td->o.latency_window) |
| 1278 | return; |
| 1279 | |
| 1280 | ios = ddir_rw_sum(td->io_blocks) - td->latency_ios; |
| 1281 | success_ios = (double) (ios - td->latency_failed) / (double) ios; |
| 1282 | success_ios *= 100.0; |
| 1283 | |
| 1284 | dprint(FD_RATE, "Success rate: %.2f%% (target %.2f%%)\n", success_ios, td->o.latency_percentile.u.f); |
| 1285 | |
| 1286 | if (success_ios >= td->o.latency_percentile.u.f) |
| 1287 | lat_target_success(td); |
| 1288 | else |
| 1289 | __lat_target_failed(td); |
| 1290 | } |
| 1291 | |
| 1292 | /* |
| 1293 | * If latency target is enabled, we might be ramping up or down and not |
| 1294 | * using the full queue depth available. |
| 1295 | */ |
| 1296 | int queue_full(struct thread_data *td) |
| 1297 | { |
| 1298 | const int qempty = io_u_qempty(&td->io_u_freelist); |
| 1299 | |
| 1300 | if (qempty) |
| 1301 | return 1; |
| 1302 | if (!td->o.latency_target) |
| 1303 | return 0; |
| 1304 | |
| 1305 | return td->cur_depth >= td->latency_qd; |
| 1306 | } |
Jens Axboe | 429f667 | 2007-07-23 10:38:43 +0200 | [diff] [blame] | 1307 | |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1308 | struct io_u *__get_io_u(struct thread_data *td) |
| 1309 | { |
Jens Axboe | 0cae66f | 2014-03-03 13:55:32 -0700 | [diff] [blame] | 1310 | struct io_u *io_u = NULL; |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1311 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1312 | td_io_u_lock(td); |
| 1313 | |
| 1314 | again: |
Jens Axboe | 2ae0b20 | 2013-05-28 14:16:55 +0200 | [diff] [blame] | 1315 | if (!io_u_rempty(&td->io_u_requeues)) |
| 1316 | io_u = io_u_rpop(&td->io_u_requeues); |
Jens Axboe | 3e260a4 | 2013-12-09 12:38:53 -0700 | [diff] [blame] | 1317 | else if (!queue_full(td)) { |
Jens Axboe | 2ae0b20 | 2013-05-28 14:16:55 +0200 | [diff] [blame] | 1318 | io_u = io_u_qpop(&td->io_u_freelist); |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1319 | |
Jens Axboe | 225ba9e | 2014-02-26 14:31:15 -0800 | [diff] [blame] | 1320 | io_u->file = NULL; |
Jens Axboe | 6040dab | 2006-10-24 19:38:15 +0200 | [diff] [blame] | 1321 | io_u->buflen = 0; |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1322 | io_u->resid = 0; |
Jens Axboe | d7762cf | 2007-02-23 12:34:57 +0100 | [diff] [blame] | 1323 | io_u->end_io = NULL; |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 1324 | } |
| 1325 | |
| 1326 | if (io_u) { |
Jens Axboe | 0c6e751 | 2007-02-22 11:19:39 +0100 | [diff] [blame] | 1327 | assert(io_u->flags & IO_U_F_FREE); |
Jens Axboe | e69fdf7 | 2014-07-23 16:11:43 +0200 | [diff] [blame] | 1328 | io_u->flags &= ~(IO_U_F_FREE | IO_U_F_NO_FILE_PUT | |
| 1329 | IO_U_F_TRIMMED | IO_U_F_BARRIER | |
| 1330 | IO_U_F_VER_LIST); |
Jens Axboe | 0c6e751 | 2007-02-22 11:19:39 +0100 | [diff] [blame] | 1331 | |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 1332 | io_u->error = 0; |
Jens Axboe | bcd5abf | 2013-01-23 09:27:25 -0700 | [diff] [blame] | 1333 | io_u->acct_ddir = -1; |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1334 | td->cur_depth++; |
Radha Ramachandran | 0c41214 | 2009-11-03 21:45:31 +0100 | [diff] [blame] | 1335 | io_u->flags |= IO_U_F_IN_CUR_DEPTH; |
Jens Axboe | f940128 | 2014-02-06 12:17:37 -0700 | [diff] [blame] | 1336 | io_u->ipo = NULL; |
Jens Axboe | 1dec3e0 | 2010-03-19 10:33:39 +0100 | [diff] [blame] | 1337 | } else if (td->o.verify_async) { |
| 1338 | /* |
| 1339 | * We ran out, wait for async verify threads to finish and |
| 1340 | * return one |
| 1341 | */ |
| 1342 | pthread_cond_wait(&td->free_cond, &td->io_u_lock); |
| 1343 | goto again; |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1344 | } |
| 1345 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1346 | td_io_u_unlock(td); |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1347 | return io_u; |
| 1348 | } |
| 1349 | |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 1350 | 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] | 1351 | { |
Jens Axboe | d72be54 | 2012-11-30 19:37:46 +0100 | [diff] [blame] | 1352 | if (!(td->flags & TD_F_TRIM_BACKLOG)) |
| 1353 | return 0; |
| 1354 | |
| 1355 | if (td->trim_entries) { |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 1356 | int get_trim = 0; |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1357 | |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 1358 | if (td->trim_batch) { |
| 1359 | td->trim_batch--; |
| 1360 | get_trim = 1; |
| 1361 | } else if (!(td->io_hist_len % td->o.trim_backlog) && |
| 1362 | td->last_ddir != DDIR_READ) { |
| 1363 | td->trim_batch = td->o.trim_batch; |
| 1364 | if (!td->trim_batch) |
| 1365 | td->trim_batch = td->o.trim_backlog; |
| 1366 | get_trim = 1; |
| 1367 | } |
| 1368 | |
| 1369 | if (get_trim && !get_next_trim(td, io_u)) |
| 1370 | return 1; |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 1371 | } |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1372 | |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 1373 | return 0; |
| 1374 | } |
| 1375 | |
| 1376 | static int check_get_verify(struct thread_data *td, struct io_u *io_u) |
| 1377 | { |
Jens Axboe | d72be54 | 2012-11-30 19:37:46 +0100 | [diff] [blame] | 1378 | if (!(td->flags & TD_F_VER_BACKLOG)) |
| 1379 | return 0; |
| 1380 | |
| 1381 | if (td->io_hist_len) { |
Jens Axboe | 9e14418 | 2010-06-15 14:25:36 +0200 | [diff] [blame] | 1382 | int get_verify = 0; |
| 1383 | |
Jens Axboe | d1ece0c | 2012-03-07 09:32:58 +0100 | [diff] [blame] | 1384 | if (td->verify_batch) |
Jens Axboe | 9e14418 | 2010-06-15 14:25:36 +0200 | [diff] [blame] | 1385 | get_verify = 1; |
Jens Axboe | d1ece0c | 2012-03-07 09:32:58 +0100 | [diff] [blame] | 1386 | else if (!(td->io_hist_len % td->o.verify_backlog) && |
Jens Axboe | 9e14418 | 2010-06-15 14:25:36 +0200 | [diff] [blame] | 1387 | td->last_ddir != DDIR_READ) { |
| 1388 | td->verify_batch = td->o.verify_batch; |
Jens Axboe | f8a75c9 | 2010-06-15 14:27:28 +0200 | [diff] [blame] | 1389 | if (!td->verify_batch) |
| 1390 | td->verify_batch = td->o.verify_backlog; |
Jens Axboe | 9e14418 | 2010-06-15 14:25:36 +0200 | [diff] [blame] | 1391 | get_verify = 1; |
| 1392 | } |
| 1393 | |
Jens Axboe | d1ece0c | 2012-03-07 09:32:58 +0100 | [diff] [blame] | 1394 | if (get_verify && !get_next_verify(td, io_u)) { |
| 1395 | td->verify_batch--; |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 1396 | return 1; |
Jens Axboe | d1ece0c | 2012-03-07 09:32:58 +0100 | [diff] [blame] | 1397 | } |
Jens Axboe | 9e14418 | 2010-06-15 14:25:36 +0200 | [diff] [blame] | 1398 | } |
| 1399 | |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 1400 | return 0; |
| 1401 | } |
| 1402 | |
| 1403 | /* |
Jens Axboe | de78976 | 2011-09-16 22:11:23 +0200 | [diff] [blame] | 1404 | * Fill offset and start time into the buffer content, to prevent too |
Jens Axboe | 23f394d | 2011-09-16 22:45:27 +0200 | [diff] [blame] | 1405 | * easy compressible data for simple de-dupe attempts. Do this for every |
| 1406 | * 512b block in the range, since that should be the smallest block size |
| 1407 | * we can expect from a device. |
Jens Axboe | de78976 | 2011-09-16 22:11:23 +0200 | [diff] [blame] | 1408 | */ |
| 1409 | static void small_content_scramble(struct io_u *io_u) |
| 1410 | { |
Jens Axboe | 23f394d | 2011-09-16 22:45:27 +0200 | [diff] [blame] | 1411 | unsigned int i, nr_blocks = io_u->buflen / 512; |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame] | 1412 | uint64_t boffset; |
Jens Axboe | 23f394d | 2011-09-16 22:45:27 +0200 | [diff] [blame] | 1413 | unsigned int offset; |
| 1414 | void *p, *end; |
Jens Axboe | de78976 | 2011-09-16 22:11:23 +0200 | [diff] [blame] | 1415 | |
Jens Axboe | 23f394d | 2011-09-16 22:45:27 +0200 | [diff] [blame] | 1416 | if (!nr_blocks) |
| 1417 | return; |
| 1418 | |
| 1419 | p = io_u->xfer_buf; |
Jens Axboe | fba76ee | 2011-09-27 14:27:48 -0600 | [diff] [blame] | 1420 | boffset = io_u->offset; |
Jens Axboe | 81f0366 | 2012-02-02 09:20:09 +0100 | [diff] [blame] | 1421 | io_u->buf_filled_len = 0; |
Jens Axboe | fad82f7 | 2011-09-19 11:33:30 +0200 | [diff] [blame] | 1422 | |
Jens Axboe | 23f394d | 2011-09-16 22:45:27 +0200 | [diff] [blame] | 1423 | for (i = 0; i < nr_blocks; i++) { |
| 1424 | /* |
| 1425 | * Fill the byte offset into a "random" start offset of |
| 1426 | * the buffer, given by the product of the usec time |
| 1427 | * and the actual offset. |
| 1428 | */ |
Jens Axboe | fad82f7 | 2011-09-19 11:33:30 +0200 | [diff] [blame] | 1429 | offset = (io_u->start_time.tv_usec ^ boffset) & 511; |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame] | 1430 | offset &= ~(sizeof(uint64_t) - 1); |
| 1431 | if (offset >= 512 - sizeof(uint64_t)) |
| 1432 | offset -= sizeof(uint64_t); |
Jens Axboe | fba76ee | 2011-09-27 14:27:48 -0600 | [diff] [blame] | 1433 | memcpy(p + offset, &boffset, sizeof(boffset)); |
Jens Axboe | 23f394d | 2011-09-16 22:45:27 +0200 | [diff] [blame] | 1434 | |
| 1435 | end = p + 512 - sizeof(io_u->start_time); |
| 1436 | memcpy(end, &io_u->start_time, sizeof(io_u->start_time)); |
| 1437 | p += 512; |
Jens Axboe | fad82f7 | 2011-09-19 11:33:30 +0200 | [diff] [blame] | 1438 | boffset += 512; |
Jens Axboe | 23f394d | 2011-09-16 22:45:27 +0200 | [diff] [blame] | 1439 | } |
Jens Axboe | de78976 | 2011-09-16 22:11:23 +0200 | [diff] [blame] | 1440 | } |
| 1441 | |
| 1442 | /* |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 1443 | * Return an io_u to be processed. Gets a buflen and offset, sets direction, |
| 1444 | * etc. The returned io_u is fully ready to be prepped and submitted. |
| 1445 | */ |
| 1446 | struct io_u *get_io_u(struct thread_data *td) |
| 1447 | { |
| 1448 | struct fio_file *f; |
| 1449 | struct io_u *io_u; |
Jens Axboe | de78976 | 2011-09-16 22:11:23 +0200 | [diff] [blame] | 1450 | int do_scramble = 0; |
Jens Axboe | 002fe73 | 2014-02-11 08:31:13 -0700 | [diff] [blame] | 1451 | long ret = 0; |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 1452 | |
| 1453 | io_u = __get_io_u(td); |
| 1454 | if (!io_u) { |
| 1455 | dprint(FD_IO, "__get_io_u failed\n"); |
| 1456 | return NULL; |
| 1457 | } |
| 1458 | |
| 1459 | if (check_get_verify(td, io_u)) |
| 1460 | goto out; |
| 1461 | if (check_get_trim(td, io_u)) |
| 1462 | goto out; |
| 1463 | |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 1464 | /* |
| 1465 | * from a requeue, io_u already setup |
| 1466 | */ |
| 1467 | if (io_u->file) |
Jens Axboe | 77f392b | 2007-02-19 20:13:09 +0100 | [diff] [blame] | 1468 | goto out; |
Jens Axboe | 755200a | 2007-02-19 13:08:12 +0100 | [diff] [blame] | 1469 | |
Jens Axboe | 429f667 | 2007-07-23 10:38:43 +0200 | [diff] [blame] | 1470 | /* |
| 1471 | * If using an iolog, grab next piece if any available. |
| 1472 | */ |
Jens Axboe | d72be54 | 2012-11-30 19:37:46 +0100 | [diff] [blame] | 1473 | if (td->flags & TD_F_READ_IOLOG) { |
Jens Axboe | 429f667 | 2007-07-23 10:38:43 +0200 | [diff] [blame] | 1474 | if (read_iolog_get(td, io_u)) |
| 1475 | goto err_put; |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 1476 | } else if (set_io_u_file(td, io_u)) { |
Jens Axboe | 002fe73 | 2014-02-11 08:31:13 -0700 | [diff] [blame] | 1477 | ret = -EBUSY; |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 1478 | dprint(FD_IO, "io_u %p, setting file failed\n", io_u); |
Jens Axboe | 429f667 | 2007-07-23 10:38:43 +0200 | [diff] [blame] | 1479 | goto err_put; |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 1480 | } |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 1481 | |
Jens Axboe | 429f667 | 2007-07-23 10:38:43 +0200 | [diff] [blame] | 1482 | f = io_u->file; |
Jens Axboe | 002fe73 | 2014-02-11 08:31:13 -0700 | [diff] [blame] | 1483 | if (!f) { |
| 1484 | dprint(FD_IO, "io_u %p, setting file failed\n", io_u); |
| 1485 | goto err_put; |
| 1486 | } |
| 1487 | |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 1488 | assert(fio_file_open(f)); |
Jens Axboe | 97af62c | 2007-05-22 11:12:13 +0200 | [diff] [blame] | 1489 | |
Jens Axboe | ff58fce | 2010-08-25 12:02:08 +0200 | [diff] [blame] | 1490 | if (ddir_rw(io_u->ddir)) { |
Jens Axboe | d0656a9 | 2008-02-01 18:33:23 +0100 | [diff] [blame] | 1491 | if (!io_u->buflen && !(td->io_ops->flags & FIO_NOIO)) { |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 1492 | 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] | 1493 | goto err_put; |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 1494 | } |
Jens Axboe | 87dc1ab | 2006-10-24 14:41:26 +0200 | [diff] [blame] | 1495 | |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 1496 | f->last_start = io_u->offset; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 1497 | f->last_pos = io_u->offset + io_u->buflen; |
Jens Axboe | 87dc1ab | 2006-10-24 14:41:26 +0200 | [diff] [blame] | 1498 | |
Jens Axboe | fd68418 | 2011-09-19 09:24:44 +0200 | [diff] [blame] | 1499 | if (io_u->ddir == DDIR_WRITE) { |
Jens Axboe | d72be54 | 2012-11-30 19:37:46 +0100 | [diff] [blame] | 1500 | if (td->flags & TD_F_REFILL_BUFFERS) { |
Jens Axboe | 9c42684 | 2012-03-02 21:02:12 +0100 | [diff] [blame] | 1501 | io_u_fill_buffer(td, io_u, |
Jens Axboe | 8e0aa16 | 2014-09-26 15:04:58 -0600 | [diff] [blame] | 1502 | td->o.min_bs[DDIR_WRITE], |
| 1503 | io_u->xfer_buflen); |
Jens Axboe | bedc9dc | 2014-03-17 12:51:09 -0600 | [diff] [blame] | 1504 | } else if ((td->flags & TD_F_SCRAMBLE_BUFFERS) && |
| 1505 | !(td->flags & TD_F_COMPRESS)) |
Jens Axboe | fd68418 | 2011-09-19 09:24:44 +0200 | [diff] [blame] | 1506 | do_scramble = 1; |
Jens Axboe | d72be54 | 2012-11-30 19:37:46 +0100 | [diff] [blame] | 1507 | if (td->flags & TD_F_VER_NONE) { |
Jens Axboe | 629f1d7 | 2012-03-09 19:02:01 +0100 | [diff] [blame] | 1508 | populate_verify_io_u(td, io_u); |
| 1509 | do_scramble = 0; |
| 1510 | } |
Jens Axboe | fd68418 | 2011-09-19 09:24:44 +0200 | [diff] [blame] | 1511 | } else if (io_u->ddir == DDIR_READ) { |
Radha Ramachandran | cbe8d75 | 2010-07-14 08:36:07 +0200 | [diff] [blame] | 1512 | /* |
| 1513 | * Reset the buf_filled parameters so next time if the |
| 1514 | * buffer is used for writes it is refilled. |
| 1515 | */ |
Radha Ramachandran | cbe8d75 | 2010-07-14 08:36:07 +0200 | [diff] [blame] | 1516 | io_u->buf_filled_len = 0; |
| 1517 | } |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1518 | } |
| 1519 | |
Jens Axboe | 165faf1 | 2007-02-07 11:30:37 +0100 | [diff] [blame] | 1520 | /* |
| 1521 | * Set io data pointers. |
| 1522 | */ |
Jens Axboe | cec6b55 | 2007-02-06 20:15:38 +0100 | [diff] [blame] | 1523 | io_u->xfer_buf = io_u->buf; |
| 1524 | io_u->xfer_buflen = io_u->buflen; |
Jens Axboe | 5973caf | 2008-05-21 19:52:35 +0200 | [diff] [blame] | 1525 | |
Jens Axboe | 6ac7a33 | 2008-03-01 15:22:32 +0100 | [diff] [blame] | 1526 | out: |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 1527 | assert(io_u->file); |
Jens Axboe | 429f667 | 2007-07-23 10:38:43 +0200 | [diff] [blame] | 1528 | if (!td_io_prep(td, io_u)) { |
Jens Axboe | 993bf48 | 2008-11-14 13:04:53 +0100 | [diff] [blame] | 1529 | if (!td->o.disable_slat) |
| 1530 | fio_gettime(&io_u->start_time, NULL); |
Jens Axboe | de78976 | 2011-09-16 22:11:23 +0200 | [diff] [blame] | 1531 | if (do_scramble) |
| 1532 | small_content_scramble(io_u); |
Jens Axboe | 429f667 | 2007-07-23 10:38:43 +0200 | [diff] [blame] | 1533 | return io_u; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 1534 | } |
Jens Axboe | 429f667 | 2007-07-23 10:38:43 +0200 | [diff] [blame] | 1535 | err_put: |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 1536 | dprint(FD_IO, "get_io_u failed\n"); |
Jens Axboe | 429f667 | 2007-07-23 10:38:43 +0200 | [diff] [blame] | 1537 | put_io_u(td, io_u); |
Jens Axboe | 002fe73 | 2014-02-11 08:31:13 -0700 | [diff] [blame] | 1538 | return ERR_PTR(ret); |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1539 | } |
| 1540 | |
Jens Axboe | 5451792 | 2007-03-05 10:06:06 +0100 | [diff] [blame] | 1541 | void io_u_log_error(struct thread_data *td, struct io_u *io_u) |
| 1542 | { |
Dmitry Monakhov | 8b28bd4 | 2012-09-23 15:46:09 +0400 | [diff] [blame] | 1543 | 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] | 1544 | |
Dmitry Monakhov | 8b28bd4 | 2012-09-23 15:46:09 +0400 | [diff] [blame] | 1545 | if (td_non_fatal_error(td, eb, io_u->error) && !td->o.error_dump) |
| 1546 | return; |
Jens Axboe | 5451792 | 2007-03-05 10:06:06 +0100 | [diff] [blame] | 1547 | |
Robert Elliott | 2cbdcdb | 2014-09-16 17:09:48 -0500 | [diff] [blame] | 1548 | log_err("fio: io_u error%s%s: %s: %s offset=%llu, buflen=%lu\n", |
| 1549 | io_u->file ? " on file " : "", |
| 1550 | io_u->file ? io_u->file->file_name : "", |
| 1551 | strerror(io_u->error), |
| 1552 | io_ddir_name(io_u->ddir), |
| 1553 | io_u->offset, io_u->xfer_buflen); |
Jens Axboe | 5451792 | 2007-03-05 10:06:06 +0100 | [diff] [blame] | 1554 | |
| 1555 | if (!td->error) |
| 1556 | td_verror(td, io_u->error, "io_u error"); |
| 1557 | } |
| 1558 | |
Jens Axboe | aba6c95 | 2014-02-13 19:59:56 -0700 | [diff] [blame] | 1559 | static inline int gtod_reduce(struct thread_data *td) |
| 1560 | { |
Jens Axboe | 729fe3a | 2014-02-14 08:46:35 -0700 | [diff] [blame] | 1561 | return td->o.disable_clat && td->o.disable_lat && td->o.disable_slat |
Jens Axboe | b74b820 | 2014-02-13 20:04:02 -0700 | [diff] [blame] | 1562 | && td->o.disable_bw; |
Jens Axboe | aba6c95 | 2014-02-13 19:59:56 -0700 | [diff] [blame] | 1563 | } |
| 1564 | |
Jens Axboe | c8eeb9d | 2011-10-05 14:02:22 +0200 | [diff] [blame] | 1565 | static void account_io_completion(struct thread_data *td, struct io_u *io_u, |
| 1566 | struct io_completion_data *icd, |
| 1567 | const enum fio_ddir idx, unsigned int bytes) |
| 1568 | { |
Jens Axboe | 24d23ca | 2012-11-13 08:31:24 -0700 | [diff] [blame] | 1569 | unsigned long lusec = 0; |
Jens Axboe | c8eeb9d | 2011-10-05 14:02:22 +0200 | [diff] [blame] | 1570 | |
Jens Axboe | aba6c95 | 2014-02-13 19:59:56 -0700 | [diff] [blame] | 1571 | if (!gtod_reduce(td)) |
Jens Axboe | c8eeb9d | 2011-10-05 14:02:22 +0200 | [diff] [blame] | 1572 | lusec = utime_since(&io_u->issue_time, &icd->time); |
| 1573 | |
| 1574 | if (!td->o.disable_lat) { |
| 1575 | unsigned long tusec; |
| 1576 | |
| 1577 | tusec = utime_since(&io_u->start_time, &icd->time); |
Jens Axboe | ccefd5f | 2014-06-30 20:59:03 -0600 | [diff] [blame] | 1578 | add_lat_sample(td, idx, tusec, bytes, io_u->offset); |
Jens Axboe | 1550153 | 2012-10-24 16:37:45 +0200 | [diff] [blame] | 1579 | |
Jens Axboe | d4afedf | 2013-05-22 22:21:29 +0200 | [diff] [blame] | 1580 | if (td->flags & TD_F_PROFILE_OPS) { |
| 1581 | struct prof_io_ops *ops = &td->prof_io_ops; |
| 1582 | |
| 1583 | if (ops->io_u_lat) |
| 1584 | icd->error = ops->io_u_lat(td, tusec); |
| 1585 | } |
| 1586 | |
Jens Axboe | 3e260a4 | 2013-12-09 12:38:53 -0700 | [diff] [blame] | 1587 | if (td->o.max_latency && tusec > td->o.max_latency) |
| 1588 | lat_fatal(td, icd, tusec, td->o.max_latency); |
| 1589 | if (td->o.latency_target && tusec > td->o.latency_target) { |
| 1590 | if (lat_target_failed(td)) |
| 1591 | lat_fatal(td, icd, tusec, td->o.latency_target); |
Jens Axboe | 1550153 | 2012-10-24 16:37:45 +0200 | [diff] [blame] | 1592 | } |
Jens Axboe | c8eeb9d | 2011-10-05 14:02:22 +0200 | [diff] [blame] | 1593 | } |
| 1594 | |
| 1595 | if (!td->o.disable_clat) { |
Jens Axboe | ccefd5f | 2014-06-30 20:59:03 -0600 | [diff] [blame] | 1596 | add_clat_sample(td, idx, lusec, bytes, io_u->offset); |
Jens Axboe | c8eeb9d | 2011-10-05 14:02:22 +0200 | [diff] [blame] | 1597 | io_u_mark_latency(td, lusec); |
| 1598 | } |
| 1599 | |
| 1600 | if (!td->o.disable_bw) |
| 1601 | add_bw_sample(td, idx, bytes, &icd->time); |
| 1602 | |
Jens Axboe | aba6c95 | 2014-02-13 19:59:56 -0700 | [diff] [blame] | 1603 | if (!gtod_reduce(td)) |
| 1604 | add_iops_sample(td, idx, bytes, &icd->time); |
Jens Axboe | c8eeb9d | 2011-10-05 14:02:22 +0200 | [diff] [blame] | 1605 | } |
| 1606 | |
Steven Lang | 1b8dbf2 | 2011-11-09 13:48:01 +0100 | [diff] [blame] | 1607 | static long long usec_for_io(struct thread_data *td, enum fio_ddir ddir) |
| 1608 | { |
Jens Axboe | 1ae83d4 | 2013-01-12 01:44:15 -0700 | [diff] [blame] | 1609 | uint64_t secs, remainder, bps, bytes; |
| 1610 | |
Steven Lang | 1b8dbf2 | 2011-11-09 13:48:01 +0100 | [diff] [blame] | 1611 | bytes = td->this_io_bytes[ddir]; |
| 1612 | bps = td->rate_bps[ddir]; |
| 1613 | secs = bytes / bps; |
| 1614 | remainder = bytes % bps; |
| 1615 | return remainder * 1000000 / bps + secs * 1000000; |
| 1616 | } |
| 1617 | |
Jens Axboe | e69fdf7 | 2014-07-23 16:11:43 +0200 | [diff] [blame] | 1618 | static void io_completed(struct thread_data *td, struct io_u **io_u_ptr, |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1619 | struct io_completion_data *icd) |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1620 | { |
Jens Axboe | e69fdf7 | 2014-07-23 16:11:43 +0200 | [diff] [blame] | 1621 | struct io_u *io_u = *io_u_ptr; |
| 1622 | enum fio_ddir ddir = io_u->ddir; |
| 1623 | struct fio_file *f = io_u->file; |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1624 | |
Jens Axboe | 2ba1c29 | 2008-02-01 13:16:38 +0100 | [diff] [blame] | 1625 | dprint_io_u(io_u, "io complete"); |
| 1626 | |
Jens Axboe | 2ecc1b5 | 2009-11-04 20:58:09 +0100 | [diff] [blame] | 1627 | td_io_u_lock(td); |
Jens Axboe | 0c6e751 | 2007-02-22 11:19:39 +0100 | [diff] [blame] | 1628 | assert(io_u->flags & IO_U_F_FLIGHT); |
Jens Axboe | 38dad62 | 2010-07-20 14:46:00 -0600 | [diff] [blame] | 1629 | io_u->flags &= ~(IO_U_F_FLIGHT | IO_U_F_BUSY_OK); |
Jens Axboe | f940128 | 2014-02-06 12:17:37 -0700 | [diff] [blame] | 1630 | |
| 1631 | /* |
| 1632 | * Mark IO ok to verify |
| 1633 | */ |
| 1634 | if (io_u->ipo) { |
Jens Axboe | 890b665 | 2014-05-06 19:06:51 -0600 | [diff] [blame] | 1635 | /* |
| 1636 | * Remove errored entry from the verification list |
| 1637 | */ |
| 1638 | if (io_u->error) |
| 1639 | unlog_io_piece(td, io_u); |
| 1640 | else { |
| 1641 | io_u->ipo->flags &= ~IP_F_IN_FLIGHT; |
| 1642 | write_barrier(); |
| 1643 | } |
Jens Axboe | f940128 | 2014-02-06 12:17:37 -0700 | [diff] [blame] | 1644 | } |
| 1645 | |
Jens Axboe | 2ecc1b5 | 2009-11-04 20:58:09 +0100 | [diff] [blame] | 1646 | td_io_u_unlock(td); |
Jens Axboe | 0c6e751 | 2007-02-22 11:19:39 +0100 | [diff] [blame] | 1647 | |
Jens Axboe | e69fdf7 | 2014-07-23 16:11:43 +0200 | [diff] [blame] | 1648 | if (ddir_sync(ddir)) { |
Jens Axboe | 87dc1ab | 2006-10-24 14:41:26 +0200 | [diff] [blame] | 1649 | td->last_was_sync = 1; |
Jens Axboe | 44f2969 | 2010-03-09 20:09:44 +0100 | [diff] [blame] | 1650 | if (f) { |
| 1651 | f->first_write = -1ULL; |
| 1652 | f->last_write = -1ULL; |
| 1653 | } |
Jens Axboe | 87dc1ab | 2006-10-24 14:41:26 +0200 | [diff] [blame] | 1654 | return; |
| 1655 | } |
| 1656 | |
| 1657 | td->last_was_sync = 0; |
Jens Axboe | e69fdf7 | 2014-07-23 16:11:43 +0200 | [diff] [blame] | 1658 | td->last_ddir = ddir; |
Jens Axboe | 87dc1ab | 2006-10-24 14:41:26 +0200 | [diff] [blame] | 1659 | |
Jens Axboe | e69fdf7 | 2014-07-23 16:11:43 +0200 | [diff] [blame] | 1660 | if (!io_u->error && ddir_rw(ddir)) { |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1661 | unsigned int bytes = io_u->buflen - io_u->resid; |
Jens Axboe | e69fdf7 | 2014-07-23 16:11:43 +0200 | [diff] [blame] | 1662 | const enum fio_ddir oddir = ddir ^ 1; |
Jens Axboe | b29ee5b | 2008-09-11 10:17:26 +0200 | [diff] [blame] | 1663 | int ret; |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1664 | |
Jens Axboe | e69fdf7 | 2014-07-23 16:11:43 +0200 | [diff] [blame] | 1665 | td->io_blocks[ddir]++; |
| 1666 | td->this_io_blocks[ddir]++; |
| 1667 | td->io_bytes[ddir] += bytes; |
webee | ae2fafc | 2012-03-23 13:41:41 +0100 | [diff] [blame] | 1668 | |
| 1669 | if (!(io_u->flags & IO_U_F_VER_LIST)) |
Jens Axboe | e69fdf7 | 2014-07-23 16:11:43 +0200 | [diff] [blame] | 1670 | td->this_io_bytes[ddir] += bytes; |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1671 | |
Jens Axboe | e69fdf7 | 2014-07-23 16:11:43 +0200 | [diff] [blame] | 1672 | if (ddir == DDIR_WRITE && f) { |
| 1673 | if (f->first_write == -1ULL || |
| 1674 | io_u->offset < f->first_write) |
| 1675 | f->first_write = io_u->offset; |
| 1676 | if (f->last_write == -1ULL || |
| 1677 | ((io_u->offset + bytes) > f->last_write)) |
| 1678 | f->last_write = io_u->offset + bytes; |
Jens Axboe | 44f2969 | 2010-03-09 20:09:44 +0100 | [diff] [blame] | 1679 | } |
| 1680 | |
Steven Lang | 6b1190f | 2012-02-07 09:42:59 +0100 | [diff] [blame] | 1681 | if (ramp_time_over(td) && (td->runstate == TD_RUNNING || |
| 1682 | td->runstate == TD_VERIFYING)) { |
Jens Axboe | e69fdf7 | 2014-07-23 16:11:43 +0200 | [diff] [blame] | 1683 | account_io_completion(td, io_u, icd, ddir, bytes); |
Jens Axboe | 40e1a6f | 2009-06-11 10:55:39 +0200 | [diff] [blame] | 1684 | |
Jens Axboe | e69fdf7 | 2014-07-23 16:11:43 +0200 | [diff] [blame] | 1685 | if (__should_check_rate(td, ddir)) { |
| 1686 | td->rate_pending_usleep[ddir] = |
| 1687 | (usec_for_io(td, ddir) - |
Radha Ramachandran | ba3e4e0 | 2009-12-09 22:31:44 +0100 | [diff] [blame] | 1688 | utime_since_now(&td->start)); |
Jens Axboe | b23b6a2 | 2009-06-11 22:06:23 +0200 | [diff] [blame] | 1689 | } |
Jens Axboe | e69fdf7 | 2014-07-23 16:11:43 +0200 | [diff] [blame] | 1690 | if (ddir != DDIR_TRIM && |
| 1691 | __should_check_rate(td, oddir)) { |
| 1692 | td->rate_pending_usleep[oddir] = |
| 1693 | (usec_for_io(td, oddir) - |
Radha Ramachandran | ba3e4e0 | 2009-12-09 22:31:44 +0100 | [diff] [blame] | 1694 | utime_since_now(&td->start)); |
Jens Axboe | e69fdf7 | 2014-07-23 16:11:43 +0200 | [diff] [blame] | 1695 | } |
Jens Axboe | 721938a | 2008-09-10 09:46:16 +0200 | [diff] [blame] | 1696 | } |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1697 | |
Jens Axboe | e69fdf7 | 2014-07-23 16:11:43 +0200 | [diff] [blame] | 1698 | icd->bytes_done[ddir] += bytes; |
Jens Axboe | 3af6ef3 | 2007-02-18 06:57:43 +0100 | [diff] [blame] | 1699 | |
Jens Axboe | d7762cf | 2007-02-23 12:34:57 +0100 | [diff] [blame] | 1700 | if (io_u->end_io) { |
Jens Axboe | e69fdf7 | 2014-07-23 16:11:43 +0200 | [diff] [blame] | 1701 | ret = io_u->end_io(td, io_u_ptr); |
| 1702 | io_u = *io_u_ptr; |
Jens Axboe | 3af6ef3 | 2007-02-18 06:57:43 +0100 | [diff] [blame] | 1703 | if (ret && !icd->error) |
| 1704 | icd->error = ret; |
| 1705 | } |
Jens Axboe | ff58fce | 2010-08-25 12:02:08 +0200 | [diff] [blame] | 1706 | } else if (io_u->error) { |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1707 | icd->error = io_u->error; |
Jens Axboe | 5451792 | 2007-03-05 10:06:06 +0100 | [diff] [blame] | 1708 | io_u_log_error(td, io_u); |
| 1709 | } |
Dmitry Monakhov | 8b28bd4 | 2012-09-23 15:46:09 +0400 | [diff] [blame] | 1710 | if (icd->error) { |
Jens Axboe | e69fdf7 | 2014-07-23 16:11:43 +0200 | [diff] [blame] | 1711 | enum error_type_bit eb = td_error_type(ddir, icd->error); |
| 1712 | |
Dmitry Monakhov | 8b28bd4 | 2012-09-23 15:46:09 +0400 | [diff] [blame] | 1713 | if (!td_non_fatal_error(td, eb, icd->error)) |
| 1714 | return; |
Jens Axboe | e69fdf7 | 2014-07-23 16:11:43 +0200 | [diff] [blame] | 1715 | |
Radha Ramachandran | f2bba18 | 2009-06-15 08:40:16 +0200 | [diff] [blame] | 1716 | /* |
| 1717 | * If there is a non_fatal error, then add to the error count |
| 1718 | * and clear all the errors. |
| 1719 | */ |
| 1720 | update_error_count(td, icd->error); |
| 1721 | td_clear_error(td); |
| 1722 | icd->error = 0; |
Jens Axboe | e69fdf7 | 2014-07-23 16:11:43 +0200 | [diff] [blame] | 1723 | if (io_u) |
| 1724 | io_u->error = 0; |
Radha Ramachandran | f2bba18 | 2009-06-15 08:40:16 +0200 | [diff] [blame] | 1725 | } |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1726 | } |
| 1727 | |
Jens Axboe | 9520ebb | 2008-10-16 21:03:27 +0200 | [diff] [blame] | 1728 | static void init_icd(struct thread_data *td, struct io_completion_data *icd, |
| 1729 | int nr) |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 1730 | { |
Shaohua Li | 6eaf09d | 2012-09-14 08:49:43 +0200 | [diff] [blame] | 1731 | int ddir; |
Jens Axboe | aba6c95 | 2014-02-13 19:59:56 -0700 | [diff] [blame] | 1732 | |
| 1733 | if (!gtod_reduce(td)) |
Jens Axboe | 9520ebb | 2008-10-16 21:03:27 +0200 | [diff] [blame] | 1734 | fio_gettime(&icd->time, NULL); |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 1735 | |
Jens Axboe | 3af6ef3 | 2007-02-18 06:57:43 +0100 | [diff] [blame] | 1736 | icd->nr = nr; |
| 1737 | |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 1738 | icd->error = 0; |
Shaohua Li | 6eaf09d | 2012-09-14 08:49:43 +0200 | [diff] [blame] | 1739 | for (ddir = DDIR_READ; ddir < DDIR_RWDIR_CNT; ddir++) |
| 1740 | icd->bytes_done[ddir] = 0; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 1741 | } |
| 1742 | |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1743 | static void ios_completed(struct thread_data *td, |
| 1744 | struct io_completion_data *icd) |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1745 | { |
| 1746 | struct io_u *io_u; |
| 1747 | int i; |
| 1748 | |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1749 | for (i = 0; i < icd->nr; i++) { |
| 1750 | io_u = td->io_ops->event(td, i); |
| 1751 | |
Jens Axboe | e69fdf7 | 2014-07-23 16:11:43 +0200 | [diff] [blame] | 1752 | io_completed(td, &io_u, icd); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1753 | |
Jens Axboe | e69fdf7 | 2014-07-23 16:11:43 +0200 | [diff] [blame] | 1754 | if (io_u) |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1755 | put_io_u(td, io_u); |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 1756 | } |
| 1757 | } |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1758 | |
Jens Axboe | e7e6cfb | 2007-02-20 10:58:34 +0100 | [diff] [blame] | 1759 | /* |
| 1760 | * Complete a single io_u for the sync engines. |
| 1761 | */ |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 1762 | int io_u_sync_complete(struct thread_data *td, struct io_u *io_u, |
Jens Axboe | 100f49f | 2013-01-23 10:15:57 -0700 | [diff] [blame] | 1763 | uint64_t *bytes) |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1764 | { |
| 1765 | struct io_completion_data icd; |
| 1766 | |
Jens Axboe | 9520ebb | 2008-10-16 21:03:27 +0200 | [diff] [blame] | 1767 | init_icd(td, &icd, 1); |
Jens Axboe | e69fdf7 | 2014-07-23 16:11:43 +0200 | [diff] [blame] | 1768 | io_completed(td, &io_u, &icd); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1769 | |
Jens Axboe | e69fdf7 | 2014-07-23 16:11:43 +0200 | [diff] [blame] | 1770 | if (io_u) |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1771 | put_io_u(td, io_u); |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1772 | |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 1773 | if (icd.error) { |
| 1774 | td_verror(td, icd.error, "io_u_sync_complete"); |
| 1775 | return -1; |
| 1776 | } |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1777 | |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 1778 | if (bytes) { |
Shaohua Li | 6eaf09d | 2012-09-14 08:49:43 +0200 | [diff] [blame] | 1779 | int ddir; |
| 1780 | |
| 1781 | for (ddir = DDIR_READ; ddir < DDIR_RWDIR_CNT; ddir++) |
| 1782 | bytes[ddir] += icd.bytes_done[ddir]; |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 1783 | } |
| 1784 | |
| 1785 | return 0; |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1786 | } |
| 1787 | |
Jens Axboe | e7e6cfb | 2007-02-20 10:58:34 +0100 | [diff] [blame] | 1788 | /* |
| 1789 | * Called to complete min_events number of io for the async engines. |
| 1790 | */ |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 1791 | int io_u_queued_complete(struct thread_data *td, int min_evts, |
Jens Axboe | 100f49f | 2013-01-23 10:15:57 -0700 | [diff] [blame] | 1792 | uint64_t *bytes) |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1793 | { |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1794 | struct io_completion_data icd; |
Jens Axboe | 00de55e | 2007-02-20 10:45:57 +0100 | [diff] [blame] | 1795 | struct timespec *tvp = NULL; |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1796 | int ret; |
Davide Libenzi | 4d06a33 | 2007-03-22 07:43:50 +0100 | [diff] [blame] | 1797 | struct timespec ts = { .tv_sec = 0, .tv_nsec = 0, }; |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1798 | |
Jens Axboe | 4950421 | 2008-06-05 09:03:30 +0200 | [diff] [blame] | 1799 | dprint(FD_IO, "io_u_queued_completed: min=%d\n", min_evts); |
Jens Axboe | b271fe6 | 2008-02-04 10:49:41 +0100 | [diff] [blame] | 1800 | |
Jens Axboe | 4950421 | 2008-06-05 09:03:30 +0200 | [diff] [blame] | 1801 | if (!min_evts) |
Jens Axboe | 00de55e | 2007-02-20 10:45:57 +0100 | [diff] [blame] | 1802 | tvp = &ts; |
Robert Elliott | 0507483 | 2014-09-04 13:51:05 -0600 | [diff] [blame] | 1803 | else if (min_evts > td->cur_depth) |
| 1804 | min_evts = td->cur_depth; |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1805 | |
Jens Axboe | 4950421 | 2008-06-05 09:03:30 +0200 | [diff] [blame] | 1806 | 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] | 1807 | if (ret < 0) { |
Jens Axboe | e1161c3 | 2007-02-22 19:36:48 +0100 | [diff] [blame] | 1808 | td_verror(td, -ret, "td_io_getevents"); |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1809 | return ret; |
| 1810 | } else if (!ret) |
| 1811 | return ret; |
| 1812 | |
Jens Axboe | 9520ebb | 2008-10-16 21:03:27 +0200 | [diff] [blame] | 1813 | init_icd(td, &icd, ret); |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1814 | ios_completed(td, &icd); |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 1815 | if (icd.error) { |
| 1816 | td_verror(td, icd.error, "io_u_queued_complete"); |
| 1817 | return -1; |
| 1818 | } |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1819 | |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 1820 | if (bytes) { |
Shaohua Li | 6eaf09d | 2012-09-14 08:49:43 +0200 | [diff] [blame] | 1821 | int ddir; |
| 1822 | |
| 1823 | for (ddir = DDIR_READ; ddir < DDIR_RWDIR_CNT; ddir++) |
| 1824 | bytes[ddir] += icd.bytes_done[ddir]; |
Jens Axboe | 581e714 | 2009-06-09 12:47:16 +0200 | [diff] [blame] | 1825 | } |
| 1826 | |
| 1827 | return 0; |
Jens Axboe | 9760102 | 2007-02-18 12:47:29 +0100 | [diff] [blame] | 1828 | } |
Jens Axboe | 7e77dd0 | 2007-02-20 10:57:34 +0100 | [diff] [blame] | 1829 | |
| 1830 | /* |
| 1831 | * Call when io_u is really queued, to update the submission latency. |
| 1832 | */ |
| 1833 | void io_u_queued(struct thread_data *td, struct io_u *io_u) |
| 1834 | { |
Jens Axboe | 9520ebb | 2008-10-16 21:03:27 +0200 | [diff] [blame] | 1835 | if (!td->o.disable_slat) { |
| 1836 | unsigned long slat_time; |
Jens Axboe | 7e77dd0 | 2007-02-20 10:57:34 +0100 | [diff] [blame] | 1837 | |
Jens Axboe | 9520ebb | 2008-10-16 21:03:27 +0200 | [diff] [blame] | 1838 | slat_time = utime_since(&io_u->start_time, &io_u->issue_time); |
Jens Axboe | ccefd5f | 2014-06-30 20:59:03 -0600 | [diff] [blame] | 1839 | add_slat_sample(td, io_u->ddir, slat_time, io_u->xfer_buflen, |
| 1840 | io_u->offset); |
Jens Axboe | 9520ebb | 2008-10-16 21:03:27 +0200 | [diff] [blame] | 1841 | } |
Jens Axboe | 7e77dd0 | 2007-02-20 10:57:34 +0100 | [diff] [blame] | 1842 | } |
Jens Axboe | 433afcb | 2007-02-22 10:39:01 +0100 | [diff] [blame] | 1843 | |
Jens Axboe | e66dac2 | 2014-09-22 10:02:07 -0600 | [diff] [blame] | 1844 | /* |
| 1845 | * See if we should reuse the last seed, if dedupe is enabled |
| 1846 | */ |
| 1847 | static struct frand_state *get_buf_state(struct thread_data *td) |
| 1848 | { |
| 1849 | unsigned int v; |
| 1850 | unsigned long r; |
| 1851 | |
| 1852 | if (!td->o.dedupe_percentage) |
| 1853 | return &td->buf_state; |
Jens Axboe | 64d3bab | 2014-09-22 14:20:05 -0600 | [diff] [blame] | 1854 | else if (td->o.dedupe_percentage == 100) |
| 1855 | return &td->buf_state_prev; |
Jens Axboe | e66dac2 | 2014-09-22 10:02:07 -0600 | [diff] [blame] | 1856 | |
| 1857 | r = __rand(&td->dedupe_state); |
| 1858 | v = 1 + (int) (100.0 * (r / (FRAND_MAX + 1.0))); |
| 1859 | |
| 1860 | if (v <= td->o.dedupe_percentage) |
| 1861 | return &td->buf_state_prev; |
| 1862 | |
| 1863 | return &td->buf_state; |
| 1864 | } |
| 1865 | |
| 1866 | static void save_buf_state(struct thread_data *td, struct frand_state *rs) |
| 1867 | { |
| 1868 | if (rs == &td->buf_state) |
| 1869 | frand_copy(&td->buf_state_prev, rs); |
| 1870 | } |
| 1871 | |
Jens Axboe | cc86c39 | 2013-05-03 15:12:33 +0200 | [diff] [blame] | 1872 | void fill_io_buffer(struct thread_data *td, void *buf, unsigned int min_write, |
| 1873 | unsigned int max_bs) |
Jens Axboe | 5973caf | 2008-05-21 19:52:35 +0200 | [diff] [blame] | 1874 | { |
Jens Axboe | ce35b1e | 2014-01-14 15:35:58 -0700 | [diff] [blame] | 1875 | if (td->o.buffer_pattern_bytes) |
| 1876 | fill_buffer_pattern(td, buf, max_bs); |
| 1877 | else if (!td->o.zero_buffers) { |
Jens Axboe | 9c42684 | 2012-03-02 21:02:12 +0100 | [diff] [blame] | 1878 | unsigned int perc = td->o.compress_percentage; |
Jens Axboe | e66dac2 | 2014-09-22 10:02:07 -0600 | [diff] [blame] | 1879 | struct frand_state *rs; |
Jens Axboe | 8e0aa16 | 2014-09-26 15:04:58 -0600 | [diff] [blame] | 1880 | unsigned int left = max_bs; |
Jens Axboe | e66dac2 | 2014-09-22 10:02:07 -0600 | [diff] [blame] | 1881 | |
Jens Axboe | 8e0aa16 | 2014-09-26 15:04:58 -0600 | [diff] [blame] | 1882 | do { |
| 1883 | rs = get_buf_state(td); |
Jens Axboe | 9c42684 | 2012-03-02 21:02:12 +0100 | [diff] [blame] | 1884 | |
Jens Axboe | 8e0aa16 | 2014-09-26 15:04:58 -0600 | [diff] [blame] | 1885 | min_write = min(min_write, left); |
Jens Axboe | f97a43a | 2012-03-09 19:06:24 +0100 | [diff] [blame] | 1886 | |
Jens Axboe | 8e0aa16 | 2014-09-26 15:04:58 -0600 | [diff] [blame] | 1887 | if (perc) { |
| 1888 | unsigned int seg = min_write; |
Jens Axboe | cc86c39 | 2013-05-03 15:12:33 +0200 | [diff] [blame] | 1889 | |
Jens Axboe | 8e0aa16 | 2014-09-26 15:04:58 -0600 | [diff] [blame] | 1890 | seg = min(min_write, td->o.compress_chunk); |
| 1891 | if (!seg) |
| 1892 | seg = min_write; |
| 1893 | |
| 1894 | fill_random_buf_percentage(rs, buf, perc, seg, |
| 1895 | min_write); |
| 1896 | } else |
| 1897 | fill_random_buf(rs, buf, min_write); |
| 1898 | |
| 1899 | buf += min_write; |
| 1900 | left -= min_write; |
Jens Axboe | e66dac2 | 2014-09-22 10:02:07 -0600 | [diff] [blame] | 1901 | save_buf_state(td, rs); |
Jens Axboe | 8e0aa16 | 2014-09-26 15:04:58 -0600 | [diff] [blame] | 1902 | } while (left); |
Jens Axboe | 9c42684 | 2012-03-02 21:02:12 +0100 | [diff] [blame] | 1903 | } else |
Jens Axboe | cc86c39 | 2013-05-03 15:12:33 +0200 | [diff] [blame] | 1904 | memset(buf, 0, max_bs); |
| 1905 | } |
| 1906 | |
| 1907 | /* |
| 1908 | * "randomly" fill the buffer contents |
| 1909 | */ |
| 1910 | void io_u_fill_buffer(struct thread_data *td, struct io_u *io_u, |
| 1911 | unsigned int min_write, unsigned int max_bs) |
| 1912 | { |
| 1913 | io_u->buf_filled_len = 0; |
| 1914 | fill_io_buffer(td, io_u->buf, min_write, max_bs); |
Jens Axboe | 5973caf | 2008-05-21 19:52:35 +0200 | [diff] [blame] | 1915 | } |