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//
// Copyright (C) : 2004,2005,2006,2007,2008,2009,2010
// Synchrotron SOLEIL
// L'Orme des Merisiers
// Saint-Aubin - BP 48 - France
//
// This file is part of log4tango.
//
// Log4ango is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Log4tango is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with Log4Tango. If not, see <http://www.gnu.org/licenses/>.
#include <cstdlib>
#include <cstring>
#include <cstdio>
#include <iostream>
#include <tango/common/log4tango/Logger.h>
#include <tango/common/log4tango/OstreamAppender.h>
#include <tango/common/log4tango/FileAppender.h>
#include <tango/common/log4tango/Layout.h>
#include <tango/common/log4tango/PatternLayout.h>
#include "clock.h"
// -----------------------------------------------------------------------------
int main(int argc, char *argv[])
{
log4tango::Level::Value pv;
pv = argc > 1 ? std::atoi(argv[1]) : log4tango::Level::DEBUG;
int count;
count = argc > 2 ? std::atoi(argv[2]) : 100;
size_t size;
size = argc > 3 ? std::atoi(argv[3]) : 128;
std::cout << " level: " << log4tango::Level::get_name(pv) << " count: " << count << std::endl
<< " iterations"
<< " size: " << size << std::endl
<< " bytes" << std::endl;
log4tango::Logger log("cat");
log.set_level(pv - 100);
log4tango::OstreamAppender *ostreamAppender = new log4tango::OstreamAppender("cerr", &std::cerr);
log.add_appender(ostreamAppender);
Clock clock;
char *buffer = new char[size + 1];
std::memset(buffer, 'X', size + 1);
buffer[size] = '\0';
const int num_tests = 7;
const char *tests[num_tests] = {
" layout::log.error(buffer) : ",
" layout::log.error_stream << std:string : ",
" layout::log.error(std:string) : ",
" patternlayout::log.error(buffer) : ",
" patternlayout::log.error_stream << std:string : ",
" patternlayout::log.error(std:string) : ",
" patternlayout::if cat.is_p_enabled(p) log.error_stream << std:string : ",
};
float results[num_tests];
::memset(results, 0, num_tests * sizeof(float));
{
clock.start();
for(int i = 0; i < count; i++)
{
log.error(__FILE__, __LINE__, "%s", buffer);
}
clock.stop();
results[0] = ((float) clock.elapsed()) / count;
}
{
std::string str(size, 'X');
clock.start();
for(int i = 0; i < count; i++)
{
log.error_stream() << str;
}
clock.stop();
results[1] = ((float) clock.elapsed()) / count;
}
{
std::string str(size, 'X');
clock.start();
for(int i = 0; i < count; i++)
{
log.error(__FILE__, __LINE__, str);
}
clock.stop();
results[2] = ((float) clock.elapsed()) / count;
}
{
log4tango::PatternLayout *patternLayout = new log4tango::PatternLayout();
patternLayout->set_conversion_pattern("%R %p %c %m\n");
ostreamAppender->set_layout(patternLayout);
}
{
clock.start();
for(int i = 0; i < count; i++)
{
log.error(__FILE__, __LINE__, "%s", buffer);
}
clock.stop();
results[3] = ((float) clock.elapsed()) / count;
}
{
std::string str(size, 'X');
clock.start();
for(int i = 0; i < count; i++)
{
log.error_stream() << str;
}
clock.stop();
results[4] = ((float) clock.elapsed()) / count;
}
{
std::string str(size, 'X');
clock.start();
for(int i = 0; i < count; i++)
{
if(log.is_level_enabled(pv))
{
log.error_stream() << str;
}
}
clock.stop();
results[6] = ((float) clock.elapsed()) / count;
}
{
std::string str(size, 'X');
clock.start();
for(int i = 0; i < count; i++)
{
log.error(__FILE__, __LINE__, str);
}
clock.stop();
results[5] = ((float) clock.elapsed()) / count;
}
for(int i = 0; i < num_tests; i++)
{
std::cout << tests[i] << results[i] << " us" << std::endl;
}
return 0;
}
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