64 lines
2.1 KiB
C
64 lines
2.1 KiB
C
/*
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* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The OpenAirInterface Software Alliance licenses this file to You under
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* the OAI Public License, Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.openairinterface.org/?page_id=698
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*-------------------------------------------------------------------------------
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* For more information about the OpenAirInterface (OAI) Software Alliance:
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* contact@openairinterface.org
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*/
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#ifndef _COMMON_UTIL_TIME_STAT_H_
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#define _COMMON_UTIL_TIME_STAT_H_
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#include <stdint.h>
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typedef struct {
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uint64_t time; /* unit: microsecond */
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uint64_t value; /* unit: microsecond */
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} time_value_t;
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typedef struct {
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int head;
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int tail;
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time_value_t *buffer;
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int maxsize;
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int size;
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} time_ring_t;
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typedef struct {
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int duration; /* unit: microsecond */
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time_ring_t r;
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uint64_t accumulated_value;
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} time_average_t;
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/* 'duration' is in unit microsecond */
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time_average_t *time_average_new(int duration, int initial_size);
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void time_average_free(time_average_t *t);
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/* add a value tagged with time 'time' unit microsecond (it also modifies 't',
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* removing all data with time < 'time' - t->duration)
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*/
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void time_average_add(time_average_t *t, uint64_t time, uint64_t value);
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/* get the average for time 'time' (it also modifies 't', removing all
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* data with time < 'time' - t->duration)
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*/
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double time_average_get_average(time_average_t *t, uint64_t time);
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/* unit microsecond */
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uint64_t time_average_now(void);
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#endif /* _COMMON_UTIL_TIME_STAT_H_ */
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