Branch data Line data Source code
1 : : /* SPDX-License-Identifier: BSD-3-Clause
2 : : * Copyright (C) 2018 Intel Corporation.
3 : : * All rights reserved.
4 : : */
5 : :
6 : : #include "ctx.h"
7 : : #include "stats.h"
8 : :
9 : : int
10 : 0 : vbdev_ocf_stats_get(ocf_cache_t cache, char *core_name, struct vbdev_ocf_stats *stats)
11 : : {
12 : : int status;
13 : 0 : ocf_core_t core;
14 : :
15 [ # # ]: 0 : status = ocf_core_get_by_name(cache, core_name, strlen(core_name), &core);
16 [ # # ]: 0 : if (status) {
17 : 0 : return status;
18 : : }
19 : :
20 : 0 : return ocf_stats_collect_core(core, &stats->usage, &stats->reqs, &stats->blocks, &stats->errors);
21 : : }
22 : :
23 : : int
24 : 0 : vbdev_ocf_stats_reset(ocf_cache_t cache, char *core_name)
25 : : {
26 : : int status;
27 : 0 : ocf_core_t core;
28 : :
29 [ # # ]: 0 : status = ocf_core_get_by_name(cache, core_name, strlen(core_name), &core);
30 [ # # ]: 0 : if (status) {
31 : 0 : return status;
32 : : }
33 : :
34 : 0 : ocf_core_stats_initialize(core);
35 : :
36 : 0 : return 0;
37 : : }
38 : :
39 : : #define WJSON_STAT(w, stats, group, field, units) \
40 : : spdk_json_write_named_object_begin(w, #field); \
41 : : spdk_json_write_named_uint64(w, "count", stats->group.field.value); \
42 : : spdk_json_write_named_string_fmt(w, "percentage", "%lu.%lu", \
43 : : stats->group.field.fraction / 100, stats->group.field.fraction % 100); \
44 : : spdk_json_write_named_string(w, "units", units); \
45 : : spdk_json_write_object_end(w);
46 : :
47 : : void
48 : 0 : vbdev_ocf_stats_write_json(struct spdk_json_write_ctx *w, struct vbdev_ocf_stats *stats)
49 : : {
50 : 0 : spdk_json_write_object_begin(w);
51 : :
52 : 0 : spdk_json_write_named_object_begin(w, "usage");
53 : 0 : WJSON_STAT(w, stats, usage, occupancy, "4KiB blocks");
54 : 0 : WJSON_STAT(w, stats, usage, free, "4KiB blocks");
55 : 0 : WJSON_STAT(w, stats, usage, clean, "4KiB blocks");
56 : 0 : WJSON_STAT(w, stats, usage, dirty, "4KiB blocks");
57 : 0 : spdk_json_write_object_end(w);
58 : :
59 : 0 : spdk_json_write_named_object_begin(w, "requests");
60 : 0 : WJSON_STAT(w, stats, reqs, rd_hits, "Requests");
61 : 0 : WJSON_STAT(w, stats, reqs, rd_partial_misses, "Requests");
62 : 0 : WJSON_STAT(w, stats, reqs, rd_full_misses, "Requests");
63 : 0 : WJSON_STAT(w, stats, reqs, rd_total, "Requests");
64 : 0 : WJSON_STAT(w, stats, reqs, wr_hits, "Requests");
65 : 0 : WJSON_STAT(w, stats, reqs, wr_partial_misses, "Requests");
66 : 0 : WJSON_STAT(w, stats, reqs, wr_full_misses, "Requests");
67 : 0 : WJSON_STAT(w, stats, reqs, wr_total, "Requests");
68 : 0 : WJSON_STAT(w, stats, reqs, rd_pt, "Requests");
69 : 0 : WJSON_STAT(w, stats, reqs, wr_pt, "Requests");
70 : 0 : WJSON_STAT(w, stats, reqs, serviced, "Requests");
71 : 0 : WJSON_STAT(w, stats, reqs, total, "Requests");
72 : 0 : spdk_json_write_object_end(w);
73 : :
74 : 0 : spdk_json_write_named_object_begin(w, "blocks");
75 : 0 : WJSON_STAT(w, stats, blocks, core_volume_rd, "4KiB blocks");
76 : 0 : WJSON_STAT(w, stats, blocks, core_volume_wr, "4KiB blocks");
77 : 0 : WJSON_STAT(w, stats, blocks, core_volume_total, "4KiB blocks");
78 : 0 : WJSON_STAT(w, stats, blocks, cache_volume_rd, "4KiB blocks");
79 : 0 : WJSON_STAT(w, stats, blocks, cache_volume_wr, "4KiB blocks");
80 : 0 : WJSON_STAT(w, stats, blocks, cache_volume_total, "4KiB blocks");
81 : 0 : WJSON_STAT(w, stats, blocks, volume_rd, "4KiB blocks");
82 : 0 : WJSON_STAT(w, stats, blocks, volume_wr, "4KiB blocks");
83 : 0 : WJSON_STAT(w, stats, blocks, volume_total, "4KiB blocks");
84 : 0 : spdk_json_write_object_end(w);
85 : :
86 : 0 : spdk_json_write_named_object_begin(w, "errors");
87 : 0 : WJSON_STAT(w, stats, errors, core_volume_rd, "Requests");
88 : 0 : WJSON_STAT(w, stats, errors, core_volume_wr, "Requests");
89 : 0 : WJSON_STAT(w, stats, errors, core_volume_total, "Requests");
90 : 0 : WJSON_STAT(w, stats, errors, cache_volume_rd, "Requests");
91 : 0 : WJSON_STAT(w, stats, errors, cache_volume_wr, "Requests");
92 : 0 : WJSON_STAT(w, stats, errors, cache_volume_total, "Requests");
93 : 0 : WJSON_STAT(w, stats, errors, total, "Requests");
94 : 0 : spdk_json_write_object_end(w);
95 : :
96 : 0 : spdk_json_write_object_end(w);
97 : 0 : }
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