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/*-
* BSD LICENSE
*
* Copyright (c) Intel Corporation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "ctx.h"
#include "stats.h"
int
vbdev_ocf_stats_get(ocf_cache_t cache, char *core_name, struct vbdev_ocf_stats *stats)
{
int status;
ocf_core_t core;
status = ocf_core_get_by_name(cache, core_name, strlen(core_name), &core);
if (status) {
return status;
}
return ocf_stats_collect_core(core, &stats->usage, &stats->reqs, &stats->blocks, &stats->errors);
}
#define WJSON_STAT(w, stats, group, field, units) \
spdk_json_write_named_object_begin(w, #field); \
spdk_json_write_named_uint64(w, "count", stats->group.field.value); \
spdk_json_write_named_string_fmt(w, "percentage", "%lu.%lu", \
stats->group.field.fraction / 100, stats->group.field.fraction % 100); \
spdk_json_write_named_string(w, "units", units); \
spdk_json_write_object_end(w);
void
vbdev_ocf_stats_write_json(struct spdk_json_write_ctx *w, struct vbdev_ocf_stats *stats)
{
spdk_json_write_object_begin(w);
spdk_json_write_named_object_begin(w, "usage");
WJSON_STAT(w, stats, usage, occupancy, "4KiB blocks");
WJSON_STAT(w, stats, usage, free, "4KiB blocks");
WJSON_STAT(w, stats, usage, clean, "4KiB blocks");
WJSON_STAT(w, stats, usage, dirty, "4KiB blocks");
spdk_json_write_object_end(w);
spdk_json_write_named_object_begin(w, "requests");
WJSON_STAT(w, stats, reqs, rd_hits, "Requests");
WJSON_STAT(w, stats, reqs, rd_partial_misses, "Requests");
WJSON_STAT(w, stats, reqs, rd_full_misses, "Requests");
WJSON_STAT(w, stats, reqs, rd_total, "Requests");
WJSON_STAT(w, stats, reqs, wr_hits, "Requests");
WJSON_STAT(w, stats, reqs, wr_partial_misses, "Requests");
WJSON_STAT(w, stats, reqs, wr_full_misses, "Requests");
WJSON_STAT(w, stats, reqs, wr_total, "Requests");
WJSON_STAT(w, stats, reqs, rd_pt, "Requests");
WJSON_STAT(w, stats, reqs, wr_pt, "Requests");
WJSON_STAT(w, stats, reqs, serviced, "Requests");
WJSON_STAT(w, stats, reqs, total, "Requests");
spdk_json_write_object_end(w);
spdk_json_write_named_object_begin(w, "blocks");
WJSON_STAT(w, stats, blocks, core_volume_rd, "4KiB blocks");
WJSON_STAT(w, stats, blocks, core_volume_wr, "4KiB blocks");
WJSON_STAT(w, stats, blocks, core_volume_total, "4KiB blocks");
WJSON_STAT(w, stats, blocks, cache_volume_rd, "4KiB blocks");
WJSON_STAT(w, stats, blocks, cache_volume_wr, "4KiB blocks");
WJSON_STAT(w, stats, blocks, cache_volume_total, "4KiB blocks");
WJSON_STAT(w, stats, blocks, volume_rd, "4KiB blocks");
WJSON_STAT(w, stats, blocks, volume_wr, "4KiB blocks");
WJSON_STAT(w, stats, blocks, volume_total, "4KiB blocks");
spdk_json_write_object_end(w);
spdk_json_write_named_object_begin(w, "errors");
WJSON_STAT(w, stats, errors, core_volume_rd, "Requests");
WJSON_STAT(w, stats, errors, core_volume_wr, "Requests");
WJSON_STAT(w, stats, errors, core_volume_total, "Requests");
WJSON_STAT(w, stats, errors, cache_volume_rd, "Requests");
WJSON_STAT(w, stats, errors, cache_volume_wr, "Requests");
WJSON_STAT(w, stats, errors, cache_volume_total, "Requests");
WJSON_STAT(w, stats, errors, total, "Requests");
spdk_json_write_object_end(w);
spdk_json_write_object_end(w);
}
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