/******************************************************************************
*
* Copyright (C) 2018 The Android Open Source Project
*
* 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.
*
*****************************************************************************
* Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
*/
/*!
******************************************************************************
* \file ihevce_profile.c
*
* \brief
* This file contains Profiling related functions
*
* \date
* 18/09/2012
*
* \author
* Ittiam
*
*
* List of Functions
*
*
******************************************************************************
*/
/*****************************************************************************/
/* File Includes */
/*****************************************************************************/
/* System include files */
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <assert.h>
#include <stdarg.h>
#include <math.h>
/* User include files */
#include "ihevc_typedefs.h"
#include "ihevce_profile.h"
#include "itt_video_api.h"
#include "ihevce_api.h"
#include <sys/time.h>
/* print attributes */
/* print everything on console */
#define PRINTF(x, y, ...) printf(__VA_ARGS__)
#if PROFILE_ENABLE
/*!
******************************************************************************
* \if Function name : init_profiler \endif
*
* \brief
* Initialization of profiling context
*
*****************************************************************************
*/
void init_profiler(profile_database_t *ps_profile_data)
{
memset(ps_profile_data, 0, sizeof(*ps_profile_data));
return;
}
/*!
******************************************************************************
* \if Function name : profile_sample_time \endif
*
* \brief
* This function calls the system function gettimeofday() to get the current
* time
*
*****************************************************************************
*/
ULWORD64 profile_sample_time()
{
struct timeval s_time;
ULWORD64 u8_curr_time;
gettimeofday(&s_time, NULL);
u8_curr_time = (((ULWORD64)s_time.tv_sec * 1000 * 1000) + (ULWORD64)(s_time.tv_usec));
return u8_curr_time;
}
/*!
******************************************************************************
* \if Function name : profile_start \endif
*
* \brief
* This function samples current time
*
*****************************************************************************
*/
void profile_start(profile_database_t *ps_profile_data)
{
ps_profile_data->u8_time_start = profile_sample_time();
assert(0 == ps_profile_data->u1_sample_taken_flag);
ps_profile_data->u1_sample_taken_flag = 1;
return;
}
/*!
******************************************************************************
* \if Function name : profile_sample_time_end \endif
*
* \brief
* This function is called for getting current time after a process call.
* It also updates this info in profile database
*
*****************************************************************************
*/
void profile_sample_time_end(profile_database_t *ps_profile_data)
{
ps_profile_data->u8_time_end = profile_sample_time();
assert(1 == ps_profile_data->u1_sample_taken_flag);
ps_profile_data->u1_sample_taken_flag = 0;
return;
}
/*!
******************************************************************************
* \if Function name : profile_get_time_taken \endif
*
* \brief
* This function computes the time taken by the process call
*
*****************************************************************************
*/
void profile_get_time_taken(profile_database_t *ps_profile_data)
{
if(ps_profile_data->u8_time_end < ps_profile_data->u8_time_start)
{
/* Timer overflow */
ps_profile_data->u8_cur_time =
((LWORD64)0xFFFFFFFF - ps_profile_data->u8_time_start) + ps_profile_data->u8_time_end;
}
else
{
ps_profile_data->u8_cur_time =
ps_profile_data->u8_time_end - ps_profile_data->u8_time_start;
}
}
/*!
******************************************************************************
* \if Function name : profile_get_average \endif
*
* \brief
* This function computes the average time taken by the process calls so far
*
*****************************************************************************
*/
void profile_get_average(profile_database_t *ps_profile_data)
{
ps_profile_data->u8_total_time += ps_profile_data->u8_cur_time;
ps_profile_data->u4_num_profile_calls++;
ps_profile_data->u8_avg_time =
(ps_profile_data->u8_total_time / ps_profile_data->u4_num_profile_calls);
return;
}
/*!
******************************************************************************
* \if Function name : profile_get_avg_time \endif
*
* \brief
* This function returns the average time taken by the process calls so far
*
*****************************************************************************
*/
int profile_get_avg_time(profile_database_t *ps_profile_data)
{
return (UWORD32)(ps_profile_data->u8_avg_time);
}
/*!
******************************************************************************
* \if Function name : profile_get_peak \endif
*
* \brief
* This function computes the peak time taken by the process calls so far
*
*****************************************************************************
*/
void profile_get_peak(profile_database_t *ps_profile_data)
{
if(ps_profile_data->u8_cur_time > ps_profile_data->u8_peak_time)
{
ps_profile_data->u8_peak_time = ps_profile_data->u8_cur_time;
}
return;
}
/*!
******************************************************************************
* \if Function name : profile_get_peak \endif
*
* \brief
* This function returns the peak time taken by the process calls so far
*
*****************************************************************************
*/
int profile_get_peak_time(profile_database_t *ps_profile_data)
{
return (UWORD32)(ps_profile_data->u8_peak_time);
}
/*!
******************************************************************************
* \if Function name : profile_end \endif
*
* \brief
* This function prints the profile data - time taken by the last process
* call, average time so far and peak time so far
*
*****************************************************************************
*/
void profile_end(profile_database_t *ps_profile_data, char *msg)
{
printf("**********************************************\n");
if(msg)
{
printf(
"IHEVC : %s, Avg Process Time: %d micro-seconds\n",
msg,
(UWORD32)(ps_profile_data->u8_avg_time));
printf(
"IHEVC : %s, Peak Process Time : %d micro-seconds\n",
msg,
(UWORD32)(ps_profile_data->u8_peak_time));
}
else
{
printf(
"IHEVC : %s, Avg Process Time: %d micro-seconds\n",
"<unknown>",
(UWORD32)(ps_profile_data->u8_avg_time));
printf(
"IHEVC : %s, Peak Process Time : %d micro-seconds\n",
"<unknown>",
(UWORD32)(ps_profile_data->u8_peak_time));
}
return;
}
/*!
******************************************************************************
* \if Function name : profile_stop \endif
*
* \brief
* This function prints the profile time
*
*****************************************************************************
*/
void profile_stop(profile_database_t *ps_profile_data, char *msg)
{
/* Get current time - This corresponds to time after the process call */
profile_sample_time_end(ps_profile_data);
/* Get time taken for the process call */
profile_get_time_taken(ps_profile_data);
/* Calculate average time taken so far */
profile_get_average(ps_profile_data);
/* Calculate peak time per process call taken so far */
profile_get_peak(ps_profile_data);
if(msg)
{
printf("%s, fps: :%10.3f", msg, (DOUBLE)(1000000.0 / ps_profile_data->u8_avg_time));
}
return;
}
#endif /* #if PROFILE_ENABLE */