/******************************************************************************
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*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file 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.apache.org/licenses/LICENSE-2.0
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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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*****************************************************************************
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* Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
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*/
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/*!
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******************************************************************************
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* \file ihevce_profile.c
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*
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* \brief
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* This file contains Profiling related functions
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*
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* \date
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* 18/09/2012
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*
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* \author
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* Ittiam
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*
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*
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* List of Functions
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*
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*
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******************************************************************************
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*/
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/*****************************************************************************/
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/* File Includes */
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/*****************************************************************************/
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/* System include files */
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <assert.h>
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#include <stdarg.h>
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#include <math.h>
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/* User include files */
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#include "ihevc_typedefs.h"
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#include "ihevce_profile.h"
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#include "itt_video_api.h"
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#include "ihevce_api.h"
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#include <sys/time.h>
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/* print attributes */
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/* print everything on console */
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#define PRINTF(x, y, ...) printf(__VA_ARGS__)
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#if PROFILE_ENABLE
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/*!
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******************************************************************************
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* \if Function name : init_profiler \endif
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*
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* \brief
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* Initialization of profiling context
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*
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*****************************************************************************
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*/
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void init_profiler(profile_database_t *ps_profile_data)
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{
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memset(ps_profile_data, 0, sizeof(*ps_profile_data));
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return;
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}
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/*!
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******************************************************************************
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* \if Function name : profile_sample_time \endif
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*
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* \brief
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* This function calls the system function gettimeofday() to get the current
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* time
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*
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*****************************************************************************
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*/
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ULWORD64 profile_sample_time()
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{
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struct timeval s_time;
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ULWORD64 u8_curr_time;
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gettimeofday(&s_time, NULL);
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u8_curr_time = (((ULWORD64)s_time.tv_sec * 1000 * 1000) + (ULWORD64)(s_time.tv_usec));
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return u8_curr_time;
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}
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/*!
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******************************************************************************
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* \if Function name : profile_start \endif
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*
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* \brief
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* This function samples current time
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*
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*****************************************************************************
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*/
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void profile_start(profile_database_t *ps_profile_data)
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{
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ps_profile_data->u8_time_start = profile_sample_time();
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assert(0 == ps_profile_data->u1_sample_taken_flag);
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ps_profile_data->u1_sample_taken_flag = 1;
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return;
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}
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/*!
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******************************************************************************
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* \if Function name : profile_sample_time_end \endif
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*
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* \brief
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* This function is called for getting current time after a process call.
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* It also updates this info in profile database
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*
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*****************************************************************************
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*/
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void profile_sample_time_end(profile_database_t *ps_profile_data)
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{
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ps_profile_data->u8_time_end = profile_sample_time();
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assert(1 == ps_profile_data->u1_sample_taken_flag);
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ps_profile_data->u1_sample_taken_flag = 0;
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return;
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}
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/*!
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******************************************************************************
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* \if Function name : profile_get_time_taken \endif
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*
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* \brief
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* This function computes the time taken by the process call
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*
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*****************************************************************************
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*/
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void profile_get_time_taken(profile_database_t *ps_profile_data)
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{
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if(ps_profile_data->u8_time_end < ps_profile_data->u8_time_start)
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{
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/* Timer overflow */
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ps_profile_data->u8_cur_time =
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((LWORD64)0xFFFFFFFF - ps_profile_data->u8_time_start) + ps_profile_data->u8_time_end;
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}
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else
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{
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ps_profile_data->u8_cur_time =
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ps_profile_data->u8_time_end - ps_profile_data->u8_time_start;
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}
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}
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/*!
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******************************************************************************
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* \if Function name : profile_get_average \endif
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*
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* \brief
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* This function computes the average time taken by the process calls so far
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*
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*****************************************************************************
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*/
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void profile_get_average(profile_database_t *ps_profile_data)
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{
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ps_profile_data->u8_total_time += ps_profile_data->u8_cur_time;
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ps_profile_data->u4_num_profile_calls++;
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ps_profile_data->u8_avg_time =
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(ps_profile_data->u8_total_time / ps_profile_data->u4_num_profile_calls);
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return;
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}
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/*!
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******************************************************************************
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* \if Function name : profile_get_avg_time \endif
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*
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* \brief
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* This function returns the average time taken by the process calls so far
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*
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*****************************************************************************
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*/
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int profile_get_avg_time(profile_database_t *ps_profile_data)
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{
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return (UWORD32)(ps_profile_data->u8_avg_time);
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}
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/*!
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******************************************************************************
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* \if Function name : profile_get_peak \endif
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*
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* \brief
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* This function computes the peak time taken by the process calls so far
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*
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*****************************************************************************
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*/
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void profile_get_peak(profile_database_t *ps_profile_data)
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{
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if(ps_profile_data->u8_cur_time > ps_profile_data->u8_peak_time)
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{
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ps_profile_data->u8_peak_time = ps_profile_data->u8_cur_time;
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}
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return;
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}
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/*!
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******************************************************************************
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* \if Function name : profile_get_peak \endif
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*
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* \brief
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* This function returns the peak time taken by the process calls so far
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*
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*****************************************************************************
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*/
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int profile_get_peak_time(profile_database_t *ps_profile_data)
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{
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return (UWORD32)(ps_profile_data->u8_peak_time);
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}
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/*!
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******************************************************************************
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* \if Function name : profile_end \endif
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*
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* \brief
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* This function prints the profile data - time taken by the last process
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* call, average time so far and peak time so far
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*
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*****************************************************************************
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*/
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void profile_end(profile_database_t *ps_profile_data, char *msg)
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{
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printf("**********************************************\n");
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if(msg)
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{
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printf(
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"IHEVC : %s, Avg Process Time: %d micro-seconds\n",
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msg,
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(UWORD32)(ps_profile_data->u8_avg_time));
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printf(
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"IHEVC : %s, Peak Process Time : %d micro-seconds\n",
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msg,
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(UWORD32)(ps_profile_data->u8_peak_time));
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}
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else
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{
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printf(
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"IHEVC : %s, Avg Process Time: %d micro-seconds\n",
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"<unknown>",
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(UWORD32)(ps_profile_data->u8_avg_time));
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printf(
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"IHEVC : %s, Peak Process Time : %d micro-seconds\n",
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"<unknown>",
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(UWORD32)(ps_profile_data->u8_peak_time));
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}
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return;
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}
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/*!
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******************************************************************************
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* \if Function name : profile_stop \endif
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*
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* \brief
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* This function prints the profile time
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*
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*****************************************************************************
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*/
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void profile_stop(profile_database_t *ps_profile_data, char *msg)
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{
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/* Get current time - This corresponds to time after the process call */
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profile_sample_time_end(ps_profile_data);
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/* Get time taken for the process call */
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profile_get_time_taken(ps_profile_data);
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/* Calculate average time taken so far */
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profile_get_average(ps_profile_data);
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/* Calculate peak time per process call taken so far */
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profile_get_peak(ps_profile_data);
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if(msg)
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{
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printf("%s, fps: :%10.3f", msg, (DOUBLE)(1000000.0 / ps_profile_data->u8_avg_time));
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}
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return;
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}
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#endif /* #if PROFILE_ENABLE */
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