replaced the lockfree queue with bounded, locked queue

example/bench.cpp

@@ -7,8 +7,7 @@
 // bench.cpp : spdlog benchmarks
 //
 #include "spdlog/async_logger.h"
-#include "spdlog/sinks/file_sinks.h"
-#include "spdlog/sinks/null_sink.h"
+#include "spdlog/sinks/test_sink.h"
 #include "spdlog/spdlog.h"
 #include "utils.h"
 #include <atomic>
@@ -30,12 +29,10 @@ void bench_mt(int howmany, std::shared_ptr<spdlog::logger> log, int thread_count
 int main(int argc, char *argv[])
 {
 
-    int queue_size = 1048576;
+    int queue_size = 1024*1024;
     int howmany = 1000000;
     int threads = 10;
-    int file_size = 30 * 1024 * 1024;
-    int rotating_files = 5;
-
+ 
     try
     {
 
@@ -45,7 +42,7 @@ int main(int argc, char *argv[])
             threads = atoi(argv[2]);
         if (argc > 3)
             queue_size = atoi(argv[3]);
-
+		/*
         cout << "*******************************************************************************\n";
         cout << "Single thread, " << format(howmany) << " iterations" << endl;
         cout << "*******************************************************************************\n";
@@ -67,17 +64,32 @@ int main(int argc, char *argv[])
         bench_mt(howmany, daily_mt, threads);
         bench(howmany, spdlog::create<null_sink_st>("null_mt"));
 
+		*/
+
         cout << "\n*******************************************************************************\n";
         cout << "async logging.. " << threads << " threads sharing same logger, " << format(howmany) << " iterations " << endl;
         cout << "*******************************************************************************\n";
 
         spdlog::set_async_mode(queue_size);
 
-        for (int i = 0; i < 3; ++i)
+		
+        for (int i = 0; i < 300; ++i)
         {
-            auto as = spdlog::daily_logger_st("as", "logs/daily_async.log");
-            bench_mt(howmany, as, threads);
+            //auto as = spdlog::daily_logger_mt("as", "logs/daily_async.log");
+			auto test_sink = std::make_shared<spdlog::sinks::test_sink_mt>();
+			//auto as = spdlog::basic_logger_mt("as", "logs/async.log", true);
+			auto as = std::make_shared<spdlog::async_logger>("as", test_sink, queue_size, async_overflow_policy::block_retry, nullptr, std::chrono::milliseconds(2000));
+            bench_mt(howmany, as, threads);			
+			as.reset();
             spdlog::drop("as");
+
+			auto msg_counter = test_sink->msg_counter();
+			cout << "Count:" << msg_counter << endl;
+			if (msg_counter != howmany)
+			{
+				cout << "ERROR! Expected " << howmany;
+				exit(0);
+			}
         }
     }
     catch (std::exception &ex)
@@ -119,6 +131,7 @@ void bench_mt(int howmany, std::shared_ptr<spdlog::logger> log, int thread_count
                 if (counter > howmany)
                     break;
                 log->info("Hello logger: msg number {}", counter);
+				//std::this_thread::sleep_for(std::chrono::milliseconds(1000));
             }
         }));
     }

include/spdlog/sinks/test_sink.h

-//
-// Copyright(c) 2015 Gabi Melman.
-// Distributed under the MIT License (http://opensource.org/licenses/MIT)
-//
-
-#pragma once
-
-#include "../details/null_mutex.h"
-#include "base_sink.h"
-
-#include <mutex>
-
-namespace spdlog {
-namespace sinks {
-
-template<class Mutex>
-class test_sink : public base_sink<Mutex>
-{
-public:
-    size_t msg_counter()
-    {
-        return msg_counter_;
-    }
-
-protected:
-    void _sink_it(const details::log_msg &) override
-    {
-        msg_counter_++;
-    }
-
-    void _flush() override {}
-    size_t msg_counter_{0};
-};
-
-using test_sink_mt = test_sink<std::mutex>;
-using test_sink_st = test_sink<details::null_mutex>;
-
-} // namespace sinks
-} // namespace spdlog