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/*
* Copyright (c) 2008, Jerome Fimes, Communications & Systemes <jerome.fimes@c-s.fr>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/**
* Adapted from Herb Marselas
"Profiling, Data Analysis, Scalability, and Magic Numbers: Meeting the Minimum System Requirements for AGE OF EMPIRES 2: THE AGE OF KINGS"
Game Developer magazine
June, 2000 issue.
*/
#include "profile.h"
#include <string.h>
#include <stdio.h>
#include <time.h>
//==============================================================================
static OPJ_PROFILE_LIST group_list [PGROUP_LASTGROUP];
//==============================================================================
static void GetTimeStamp(OPJ_UINT32 *pdwtime);
//==============================================================================
#define SetMajorSection(entry, major) \
{ group_list[ entry ].section = entry ; \
group_list[ entry ].sectionName = #major ; }
//==============================================================================
void _ProfInit(void)
{
// clear everything out
memset(group_list, 0, sizeof(group_list));
// set groups and parents for timing
SetMajorSection(PGROUP_DWT,PGROUP_DWT);
SetMajorSection(PGROUP_T1, PGROUP_T1);
SetMajorSection(PGROUP_T2, PGROUP_T2);
} // ProfInit
//==============================================================================
void _ProfStart (OPJ_PROFILE_GROUP group)
{
// make sure this hasn't been incorrectly started twice
if (group_list[group].start)
{
return;
}
// get the start time
GetTimeStamp(&(group_list[group].start));
} // _ProfStart
//==============================================================================
void _ProfStop(OPJ_PROFILE_GROUP group)
{
// make sure we called start first
if (!group_list[group].start)
{
return;
}
// get ending time
GetTimeStamp(&(group_list[group].end));
// calculate this latest elapsed interval
group_list[group].total_time += group_list[group].end - group_list[group].start;
// reset starting time
group_list[group].start = 0;
// incr the number of calls made
++group_list[group].totalCalls;
} // _ProfStop
//==============================================================================
#define proftracef(id,totalTime) \
fprintf(p, #id "\t%u\t\t%6.6f\t\t%12.6f\t%2.2f%%\n", \
group_list[ id ].totalCalls, \
(OPJ_FLOAT64) group_list[ id ].total_time / CLOCKS_PER_SEC, \
((OPJ_FLOAT64) group_list[ id ].total_time / (group_list[ id ].totalCalls ? group_list[ id ].totalCalls : 1)), \
((OPJ_FLOAT64) group_list[ id ].total_time / totalTime * 100))
#define proftracep(id,totalTime) \
printf(#id "\t%u\t\t%6.6f\t\t%12.6f\t%2.2f%%\n", \
group_list[ id ].totalCalls, \
(OPJ_FLOAT64) group_list[ id ].total_time / CLOCKS_PER_SEC, \
((OPJ_FLOAT64) group_list[ id ].total_time / (group_list[ id ].totalCalls ? group_list[ id ].totalCalls : 1)), \
((OPJ_FLOAT64) group_list[ id ].total_time / totalTime * 100))
//==============================================================================
void _ProfSave(const OPJ_CHAR * pFileName)
{
FILE *p = fopen(pFileName, "wt");
OPJ_FLOAT64 totalTime = 0.;
OPJ_UINT32 i;
if (!p)
{
return;
}
for
(i=0;i<PGROUP_LASTGROUP;++i)
{
totalTime += group_list[i].total_time;
}
fputs("\n\nProfile Data:\n", p);
fputs("description\tnb calls\ttotal time (sec)\ttime per call\t%% of section\n", p);
proftracef(PGROUP_DWT,totalTime);
proftracef(PGROUP_T1,totalTime);
proftracef(PGROUP_T2,totalTime);
fputs("=== end of profile list ===\n\n", p);
fclose(p);
} // _ProfSave
//==============================================================================
void _ProfPrint(void)
{
OPJ_FLOAT64 totalTime = 0.;
OPJ_UINT32 i;
for
(i=0;i<PGROUP_LASTGROUP;++i)
{
totalTime += group_list[i].total_time;
}
printf("\n\nProfile Data:\n");
printf("description\tnb calls\ttotal time (sec)\ttime per call\t%% of section\n");
proftracep(PGROUP_RATE, totalTime);
proftracep(PGROUP_DC_SHIFT, totalTime);
proftracep(PGROUP_MCT, totalTime);
proftracep(PGROUP_DWT, totalTime);
proftracep(PGROUP_T1, totalTime);
proftracep(PGROUP_T2, totalTime);
printf("\nTotal time: %6.3f second(s)\n", totalTime / CLOCKS_PER_SEC);
printf("=== end of profile list ===\n\n");
} // _ProfPrint
//==============================================================================
static void GetTimeStamp(unsigned *time)
{
*time = clock();
} // GetTimeStamp
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