| 1 | #include <stdlib.h> |
| 2 | #include "fio.h" |
| 3 | #include "zone-dist.h" |
| 4 | |
| 5 | static void __td_zone_gen_index(struct thread_data *td, enum fio_ddir ddir) |
| 6 | { |
| 7 | unsigned int i, j, sprev, aprev; |
| 8 | uint64_t sprev_sz; |
| 9 | |
| 10 | td->zone_state_index[ddir] = malloc(sizeof(struct zone_split_index) * 100); |
| 11 | |
| 12 | sprev_sz = sprev = aprev = 0; |
| 13 | for (i = 0; i < td->o.zone_split_nr[ddir]; i++) { |
| 14 | struct zone_split *zsp = &td->o.zone_split[ddir][i]; |
| 15 | |
| 16 | for (j = aprev; j < aprev + zsp->access_perc; j++) { |
| 17 | struct zone_split_index *zsi = &td->zone_state_index[ddir][j]; |
| 18 | |
| 19 | zsi->size_perc = sprev + zsp->size_perc; |
| 20 | zsi->size_perc_prev = sprev; |
| 21 | |
| 22 | zsi->size = sprev_sz + zsp->size; |
| 23 | zsi->size_prev = sprev_sz; |
| 24 | } |
| 25 | |
| 26 | aprev += zsp->access_perc; |
| 27 | sprev += zsp->size_perc; |
| 28 | sprev_sz += zsp->size; |
| 29 | } |
| 30 | } |
| 31 | |
| 32 | static bool has_zones(struct thread_data *td) |
| 33 | { |
| 34 | int i, zones = 0; |
| 35 | |
| 36 | for (i = 0; i < DDIR_RWDIR_CNT; i++) |
| 37 | zones += td->o.zone_split_nr[i]; |
| 38 | |
| 39 | return zones != 0; |
| 40 | } |
| 41 | |
| 42 | /* |
| 43 | * Generate state table for indexes, so we don't have to do it inline from |
| 44 | * the hot IO path |
| 45 | */ |
| 46 | void td_zone_gen_index(struct thread_data *td) |
| 47 | { |
| 48 | int i; |
| 49 | |
| 50 | if (!has_zones(td)) |
| 51 | return; |
| 52 | |
| 53 | td->zone_state_index = malloc(DDIR_RWDIR_CNT * |
| 54 | sizeof(struct zone_split_index *)); |
| 55 | |
| 56 | for (i = 0; i < DDIR_RWDIR_CNT; i++) |
| 57 | __td_zone_gen_index(td, i); |
| 58 | } |
| 59 | |
| 60 | void td_zone_free_index(struct thread_data *td) |
| 61 | { |
| 62 | int i; |
| 63 | |
| 64 | if (!td->zone_state_index) |
| 65 | return; |
| 66 | |
| 67 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { |
| 68 | free(td->zone_state_index[i]); |
| 69 | td->zone_state_index[i] = NULL; |
| 70 | } |
| 71 | |
| 72 | free(td->zone_state_index); |
| 73 | td->zone_state_index = NULL; |
| 74 | } |