Commit | Line | Data |
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07776127 JA |
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 | } |