Merge branch 'master' of https://github.com/gabime/spdlog

bench/spdlog-bench-mt.cpp

@@ -0,0 +1,50 @@
+#include <thread>
+#include <vector>
+#include <atomic>
+
+#include "spdlog/spdlog.h"
+
+#include <iostream>
+using namespace std;
+
+int main(int argc, char* argv[])
+{
+
+    int thread_count = 10;
+    if(argc > 1)
+        thread_count = atoi(argv[1]);
+
+    int howmany = 1000000;
+
+    namespace spd = spdlog;
+    ///Create a file rotating logger with 5mb size max and 3 rotated files
+    auto logger = spd::rotating_logger_mt("file_logger", "logs/spd-sample", 10 *1024 * 1024 , 5);
+
+    logger->set_pattern("[%Y-%b-%d %T.%e]: %v");
+
+    std::atomic<int > msg_counter {0};
+    vector<thread> threads;
+
+    for (int t = 0; t < thread_count; ++t)
+    {
+        threads.push_back(std::thread([&]()
+        {
+            while (true)
+            {
+                int counter = ++msg_counter;
+                if (counter > howmany) break;
+                logger->info() << "spdlog logger message #" << counter;
+            }
+        }));
+    }
+
+
+    for(auto &t:threads)
+    {
+        t.join();
+    };
+
+
+
+    return 0;
+}