spdlog/bench/log4cpp-bench-mt.cpp

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//
// Copyright(c) 2015 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
#include <atomic>
#include <chrono>
#include <iostream>
#include <memory>
#include <thread>
#include <vector>
#include "log4cpp/Category.hh"
#include "log4cpp/Appender.hh"
#include "log4cpp/FileAppender.hh"
#include "log4cpp/Layout.hh"
#include "log4cpp/BasicLayout.hh"
#include "log4cpp/Priority.hh"
#include "log4cpp/PatternLayout.hh"
int main(int argc, char * argv[])
{
using namespace std::chrono;
using clock = steady_clock;
int thread_count = 10;
if (argc > 1)
thread_count = std::atoi(argv[1]);
int howmany = 1000000;
log4cpp::Appender *appender = new log4cpp::FileAppender("default", "logs/log4cpp-bench-mt.log");
log4cpp::PatternLayout *layout = new log4cpp::PatternLayout();
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layout->setConversionPattern("%d{%Y-%m-%d %H:%M:%S.%l}: %p - %m %n");
appender->setLayout(layout);
log4cpp::Category& root = log4cpp::Category::getRoot();
root.addAppender(appender);
root.setPriority(log4cpp::Priority::INFO);
std::atomic<int> msg_counter{0};
std::vector<std::thread> threads;
auto start = clock::now();
for (int t = 0; t < thread_count; ++t)
{
threads.push_back(std::thread([&]() {
while (true)
{
int counter = ++msg_counter;
if (counter > howmany)
break;
root << log4cpp::Priority::INFO << "log4cpp message #" << counter << ": This is some text for your pleasure";
}
}));
}
for (auto &t : threads)
{
t.join();
}
duration<float> delta = clock::now() - start;
float deltaf = delta.count();
auto rate = howmany / deltaf;
std::cout << "Total: " << howmany << std::endl;
std::cout << "Threads: " << thread_count << std::endl;
std::cout << "Delta = " << deltaf << " seconds" << std::endl;
std::cout << "Rate = " << rate << "/sec" << std::endl;
root.shutdown();
return 0;
}