1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright (c) 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 #define WJSON_STAT(w, stats, group, field, units) \ 24 spdk_json_write_named_object_begin(w, #field); \ 25 spdk_json_write_named_uint64(w, "count", stats->group.field.value); \ 26 spdk_json_write_named_string_fmt(w, "percentage", "%lu.%lu", \ 27 stats->group.field.fraction / 100, stats->group.field.fraction % 100); \ 28 spdk_json_write_named_string(w, "units", units); \ 29 spdk_json_write_object_end(w); 30 31 void 32 vbdev_ocf_stats_write_json(struct spdk_json_write_ctx *w, struct vbdev_ocf_stats *stats) 33 { 34 spdk_json_write_object_begin(w); 35 36 spdk_json_write_named_object_begin(w, "usage"); 37 WJSON_STAT(w, stats, usage, occupancy, "4KiB blocks"); 38 WJSON_STAT(w, stats, usage, free, "4KiB blocks"); 39 WJSON_STAT(w, stats, usage, clean, "4KiB blocks"); 40 WJSON_STAT(w, stats, usage, dirty, "4KiB blocks"); 41 spdk_json_write_object_end(w); 42 43 spdk_json_write_named_object_begin(w, "requests"); 44 WJSON_STAT(w, stats, reqs, rd_hits, "Requests"); 45 WJSON_STAT(w, stats, reqs, rd_partial_misses, "Requests"); 46 WJSON_STAT(w, stats, reqs, rd_full_misses, "Requests"); 47 WJSON_STAT(w, stats, reqs, rd_total, "Requests"); 48 WJSON_STAT(w, stats, reqs, wr_hits, "Requests"); 49 WJSON_STAT(w, stats, reqs, wr_partial_misses, "Requests"); 50 WJSON_STAT(w, stats, reqs, wr_full_misses, "Requests"); 51 WJSON_STAT(w, stats, reqs, wr_total, "Requests"); 52 WJSON_STAT(w, stats, reqs, rd_pt, "Requests"); 53 WJSON_STAT(w, stats, reqs, wr_pt, "Requests"); 54 WJSON_STAT(w, stats, reqs, serviced, "Requests"); 55 WJSON_STAT(w, stats, reqs, total, "Requests"); 56 spdk_json_write_object_end(w); 57 58 spdk_json_write_named_object_begin(w, "blocks"); 59 WJSON_STAT(w, stats, blocks, core_volume_rd, "4KiB blocks"); 60 WJSON_STAT(w, stats, blocks, core_volume_wr, "4KiB blocks"); 61 WJSON_STAT(w, stats, blocks, core_volume_total, "4KiB blocks"); 62 WJSON_STAT(w, stats, blocks, cache_volume_rd, "4KiB blocks"); 63 WJSON_STAT(w, stats, blocks, cache_volume_wr, "4KiB blocks"); 64 WJSON_STAT(w, stats, blocks, cache_volume_total, "4KiB blocks"); 65 WJSON_STAT(w, stats, blocks, volume_rd, "4KiB blocks"); 66 WJSON_STAT(w, stats, blocks, volume_wr, "4KiB blocks"); 67 WJSON_STAT(w, stats, blocks, volume_total, "4KiB blocks"); 68 spdk_json_write_object_end(w); 69 70 spdk_json_write_named_object_begin(w, "errors"); 71 WJSON_STAT(w, stats, errors, core_volume_rd, "Requests"); 72 WJSON_STAT(w, stats, errors, core_volume_wr, "Requests"); 73 WJSON_STAT(w, stats, errors, core_volume_total, "Requests"); 74 WJSON_STAT(w, stats, errors, cache_volume_rd, "Requests"); 75 WJSON_STAT(w, stats, errors, cache_volume_wr, "Requests"); 76 WJSON_STAT(w, stats, errors, cache_volume_total, "Requests"); 77 WJSON_STAT(w, stats, errors, total, "Requests"); 78 spdk_json_write_object_end(w); 79 80 spdk_json_write_object_end(w); 81 } 82