added

example/bench.cpp

+// example.cpp : Simple logger example
+//
+#include <mutex>
+#include "c11log/logger.h"
+#include "c11log/sinks/async_sink.h"
+#include "c11log/sinks/file_sinks.h"
+#include "c11log/sinks/stdout_sinks.h"
+#include "c11log/sinks/null_sink.h"
+#include "utils.h"
+
+using std::cout;
+using std::endl;
+using namespace std::chrono;
+using namespace c11log;
+using namespace utils;
+
+
+int main(int argc, char* argv[])
+{
+
+    const unsigned int howmany = argc <= 1 ? 10000 : atoi(argv[1]);
+
+    logger cout_logger("example", std::make_shared<sinks::stderr_sink_mt>());
+    cout_logger.info() << "Hello logger";
+
+    //auto nullsink = std::make_shared<sinks::null_sink<std::mutex>>();
+    auto nullsink = std::make_shared<sinks::null_sink<details::null_mutex>>();
+    auto fsink = std::make_shared<sinks::rotating_file_sink_st>("log", "txt", 1024 * 1024 * 50, 5, 10);
+    auto as = std::make_shared<sinks::async_sink>(1000);
+
+
+    logger my_logger("my_logger", fsink);
+
+
+    auto start = system_clock::now();
+    for (unsigned int i = 1; i <= howmany; ++i)
+        my_logger.info() << "Hello logger: msg #" << i;
+
+
+    auto delta = system_clock::now() - start;
+    auto delta_d = duration_cast<duration<double>> (delta).count();
+
+    cout << "Total:" << format(howmany) << endl;
+    cout << "Delta:" << format(delta_d) << endl;
+    cout << "Rate:" << format(howmany / delta_d) << "/sec" << endl;
+
+    return 0;
+}
+