1 files changed, 55 insertions, 0 deletions
diff --git a/src/uscxml/debug/Benchmark.cpp b/src/uscxml/debug/Benchmark.cpp
new file mode 100644
index 0000000..0d2d789
--- /dev/null
+++ b/src/uscxml/debug/Benchmark.cpp
@@ -0,0 +1,55 @@
+/**
+ *  @file
+ *  @author     2017 Stefan Radomski (stefan.radomski@cs.tu-darmstadt.de)
+ *  @copyright  Simplified BSD
+ *
+ *  @cond
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the FreeBSD license as published by the FreeBSD
+ *  project.
+ *
+ *  This program 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.
+ *
+ *  You should have received a copy of the FreeBSD license along with this
+ *  program. If not, see <http://www.opensource.org/licenses/bsd-license>.
+ *  @endcond
+ */
+
+#include "Benchmark.h"
+
+namespace uscxml {
+
+std::mutex Benchmark::benchMutex;
+std::map<std::string, size_t> Benchmark::benchmarks;
+    
+Benchmark::Benchmark(const std::string& domain) : domain(domain), started(std::chrono::system_clock::now()) {
+}
+
+Benchmark::~Benchmark() {
+    std::lock_guard<std::mutex> lock(benchMutex);
+    benchmarks[domain] += std::chrono::duration_cast<std::chrono::microseconds>(std::chrono::system_clock::now() - started).count();
+}
+ 
+std::ostream& Benchmark::report(std::ostream& stream) {
+    std::lock_guard<std::mutex> lock(benchMutex);
+
+    size_t longestDomain = 0;
+    for (auto benchmark : benchmarks) {
+        longestDomain = (benchmark.first.size() > longestDomain ? benchmark.first.size() : longestDomain);
+    }
+    longestDomain += 8;
+    
+    for (auto benchmark : benchmarks) {
+        std::string padding;
+        for (int i = benchmark.first.size(); i < (longestDomain - log10(benchmark.second)); i++) {
+            padding += " ";
+        }
+        
+        stream << benchmark.first << ":" << padding << (double)benchmark.second / 1000.0 << "ms" << std::endl;
+    }
+    return stream;
+}
+
+}