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 vbdev_ocf_stats_get(ocf_cache_t cache, char *core_name, struct vbdev_ocf_stats *stats) 11 { 12 int status; 13 ocf_core_t core; 14 15 status = ocf_core_get_by_name(cache, core_name, strlen(core_name), &core); 16 if (status) { 17 return status; 18 } 19 20 return ocf_stats_collect_core(core, &stats->usage, &stats->reqs, &stats->blocks, &stats->errors); 21 } 22 23 int 24 vbdev_ocf_stats_reset(ocf_cache_t cache, char *core_name) 25 { 26 int status; 27 ocf_core_t core; 28 29 status = ocf_core_get_by_name(cache, core_name, strlen(core_name), &core); 30 if (status) { 31 return status; 32 } 33 34 ocf_core_stats_initialize(core); 35 36 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 vbdev_ocf_stats_write_json(struct spdk_json_write_ctx *w, struct vbdev_ocf_stats *stats) 49 { 50 spdk_json_write_object_begin(w); 51 52 spdk_json_write_named_object_begin(w, "usage"); 53 WJSON_STAT(w, stats, usage, occupancy, "4KiB blocks"); 54 WJSON_STAT(w, stats, usage, free, "4KiB blocks"); 55 WJSON_STAT(w, stats, usage, clean, "4KiB blocks"); 56 WJSON_STAT(w, stats, usage, dirty, "4KiB blocks"); 57 spdk_json_write_object_end(w); 58 59 spdk_json_write_named_object_begin(w, "requests"); 60 WJSON_STAT(w, stats, reqs, rd_hits, "Requests"); 61 WJSON_STAT(w, stats, reqs, rd_partial_misses, "Requests"); 62 WJSON_STAT(w, stats, reqs, rd_full_misses, "Requests"); 63 WJSON_STAT(w, stats, reqs, rd_total, "Requests"); 64 WJSON_STAT(w, stats, reqs, wr_hits, "Requests"); 65 WJSON_STAT(w, stats, reqs, wr_partial_misses, "Requests"); 66 WJSON_STAT(w, stats, reqs, wr_full_misses, "Requests"); 67 WJSON_STAT(w, stats, reqs, wr_total, "Requests"); 68 WJSON_STAT(w, stats, reqs, rd_pt, "Requests"); 69 WJSON_STAT(w, stats, reqs, wr_pt, "Requests"); 70 WJSON_STAT(w, stats, reqs, serviced, "Requests"); 71 WJSON_STAT(w, stats, reqs, total, "Requests"); 72 spdk_json_write_object_end(w); 73 74 spdk_json_write_named_object_begin(w, "blocks"); 75 WJSON_STAT(w, stats, blocks, core_volume_rd, "4KiB blocks"); 76 WJSON_STAT(w, stats, blocks, core_volume_wr, "4KiB blocks"); 77 WJSON_STAT(w, stats, blocks, core_volume_total, "4KiB blocks"); 78 WJSON_STAT(w, stats, blocks, cache_volume_rd, "4KiB blocks"); 79 WJSON_STAT(w, stats, blocks, cache_volume_wr, "4KiB blocks"); 80 WJSON_STAT(w, stats, blocks, cache_volume_total, "4KiB blocks"); 81 WJSON_STAT(w, stats, blocks, volume_rd, "4KiB blocks"); 82 WJSON_STAT(w, stats, blocks, volume_wr, "4KiB blocks"); 83 WJSON_STAT(w, stats, blocks, volume_total, "4KiB blocks"); 84 spdk_json_write_object_end(w); 85 86 spdk_json_write_named_object_begin(w, "errors"); 87 WJSON_STAT(w, stats, errors, core_volume_rd, "Requests"); 88 WJSON_STAT(w, stats, errors, core_volume_wr, "Requests"); 89 WJSON_STAT(w, stats, errors, core_volume_total, "Requests"); 90 WJSON_STAT(w, stats, errors, cache_volume_rd, "Requests"); 91 WJSON_STAT(w, stats, errors, cache_volume_wr, "Requests"); 92 WJSON_STAT(w, stats, errors, cache_volume_total, "Requests"); 93 WJSON_STAT(w, stats, errors, total, "Requests"); 94 spdk_json_write_object_end(w); 95 96 spdk_json_write_object_end(w); 97 } 98