stats.h

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/* -*- C -*- */
/*
 * Copyright (c) 2013-2020 Seagate Technology LLC and/or its Affiliates
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * For any questions about this software or licensing,
 * please email opensource@seagate.com or cortx-questions@seagate.com.
 *
 */


#pragma once

#ifndef __MOTR_NET_TEST_STATS_H__
#define __MOTR_NET_TEST_STATS_H__

#include "lib/time.h"           /* m0_time_t */
#include "lib/atomic.h"         /* m0_atomic64 */
#include "lib/misc.h"           /* M0_SET0 */

#include "net/test/serialize.h" /* m0_net_test_serialize */

#ifndef __KERNEL__
#include "net/test/user_space/stats_u.h"        /* m0_net_test_stats_avg */
#endif

struct m0_net_test_stats {
        unsigned long     nts_count;
        unsigned long     nts_min;
        unsigned long     nts_max;
        struct m0_uint128 nts_sum;
        struct m0_uint128 nts_sum_sqr;
};

#define M0_NET_TEST_STATS_DEFINE(min, max, sum, sum_sqr, count) { \
        .min = (min), \
        .max = (max), \
        .sum = (sum), \
        .sum_sqr = (sum_sqr), \
        .count = (count) \
}

void m0_net_test_stats_reset(struct m0_net_test_stats *stats);

bool m0_net_test_stats_invariant(const struct m0_net_test_stats *stats);

void m0_net_test_stats_add(struct m0_net_test_stats *stats,
                           unsigned long value);

void m0_net_test_stats_add_stats(struct m0_net_test_stats *stats,
                                 const struct m0_net_test_stats *stats2);

unsigned long m0_net_test_stats_min(const struct m0_net_test_stats *stats);

unsigned long m0_net_test_stats_max(const struct m0_net_test_stats *stats);

m0_bcount_t m0_net_test_stats_serialize(enum m0_net_test_serialize_op op,
                                        struct m0_net_test_stats *stats,
                                        struct m0_bufvec *bv,
                                        m0_bcount_t bv_offset);

void m0_net_test_stats_time_add(struct m0_net_test_stats *stats,
                                m0_time_t time);

m0_time_t m0_net_test_stats_time_min(struct m0_net_test_stats *stats);

m0_time_t m0_net_test_stats_time_max(struct m0_net_test_stats *stats);

struct m0_net_test_timestamp {
        uint64_t  ntt_magic;
        m0_time_t ntt_time;
        uint64_t  ntt_seq;
};

void m0_net_test_timestamp_init(struct m0_net_test_timestamp *t, uint64_t seq);

m0_bcount_t m0_net_test_timestamp_serialize(enum m0_net_test_serialize_op op,
                                            struct m0_net_test_timestamp *t,
                                            struct m0_bufvec *bv,
                                            m0_bcount_t bv_offset);

struct m0_net_test_mps {
        struct m0_net_test_stats ntmps_stats;
        unsigned long            ntmps_last_nr;
        m0_time_t                ntmps_last_time;
        m0_time_t                ntmps_time_interval;
};

void m0_net_test_mps_init(struct m0_net_test_mps *mps,
                          unsigned long messages,
                          m0_time_t timestamp,
                          m0_time_t interval);

m0_time_t m0_net_test_mps_add(struct m0_net_test_mps *mps,
                              unsigned long messages,
                              m0_time_t timestamp);

struct m0_net_test_msg_nr {
        size_t ntmn_total;
        size_t ntmn_failed;
        size_t ntmn_bad;
};

static inline void m0_net_test_msg_nr_reset(struct m0_net_test_msg_nr *msg_nr)
{
        M0_SET0(msg_nr);
}

void m0_net_test_msg_nr_add(struct m0_net_test_msg_nr *msg_nr,
                            const struct m0_net_test_msg_nr *msg_nr2);

#endif /*  __MOTR_NET_TEST_STATS_H__ */

/*
 *  Local variables:
 *  c-indentation-style: "K&R"
 *  c-basic-offset: 8
 *  tab-width: 8
 *  fill-column: 79
 *  scroll-step: 1
 *  End:
 */