ocf_stats.h

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/*
 * Copyright(c) 2012-2020 Intel Corporation
 * SPDX-License-Identifier: BSD-3-Clause-Clear
 */

#ifndef __OCF_STATS_H__
#define __OCF_STATS_H__

struct ocf_stat {
        uint64_t value;
        uint64_t fraction;
};

struct ocf_stats_usage {
        struct ocf_stat occupancy;
        struct ocf_stat free;
        struct ocf_stat clean;
        struct ocf_stat dirty;
};

struct ocf_stats_requests {
        struct ocf_stat rd_hits;
        struct ocf_stat rd_partial_misses;
        struct ocf_stat rd_full_misses;
        struct ocf_stat rd_total;
        struct ocf_stat wr_hits;
        struct ocf_stat wr_partial_misses;
        struct ocf_stat wr_full_misses;
        struct ocf_stat wr_total;
        struct ocf_stat rd_pt;
        struct ocf_stat wr_pt;
        struct ocf_stat serviced;
        struct ocf_stat total;
};

struct ocf_stats_blocks {
        struct ocf_stat core_volume_rd;
        struct ocf_stat core_volume_wr;
        struct ocf_stat core_volume_total;
        struct ocf_stat cache_volume_rd;
        struct ocf_stat cache_volume_wr;
        struct ocf_stat cache_volume_total;
        struct ocf_stat volume_rd;
        struct ocf_stat volume_wr;
        struct ocf_stat volume_total;
};

struct ocf_stats_errors {
        struct ocf_stat core_volume_rd;
        struct ocf_stat core_volume_wr;
        struct ocf_stat core_volume_total;
        struct ocf_stat cache_volume_rd;
        struct ocf_stat cache_volume_wr;
        struct ocf_stat cache_volume_total;
        struct ocf_stat total;
};

int ocf_stats_collect_cache(ocf_cache_t cache,
                struct ocf_stats_usage *usage,
                struct ocf_stats_requests *req,
                struct ocf_stats_blocks *blocks,
                struct ocf_stats_errors *errors);

int ocf_stats_collect_core(ocf_core_t core,
                struct ocf_stats_usage *usage,
                struct ocf_stats_requests *req,
                struct ocf_stats_blocks *blocks,
                struct ocf_stats_errors *errors);

int ocf_stats_collect_part_core(ocf_core_t core, ocf_part_id_t part_id,
                struct ocf_stats_usage *usage, struct ocf_stats_requests *req,
                struct ocf_stats_blocks *blocks);

int ocf_stats_collect_part_cache(ocf_cache_t cache, ocf_part_id_t part_id,
                struct ocf_stats_usage *usage, struct ocf_stats_requests *req,
                struct ocf_stats_blocks *blocks);

void ocf_core_stats_initialize(ocf_core_t core);

void ocf_core_stats_initialize_all(ocf_cache_t cache);

#endif /* __OCF_STATS_H__ */