should be it

external/duckdb/benchmark/include/benchmark_runner.hpp

@@ -0,0 +1,58 @@
+//===----------------------------------------------------------------------===//
+//
+//                         DuckDB
+//
+// benchmark_runner.hpp
+//
+// Author: Mark Raasveldt
+//
+//===----------------------------------------------------------------------===//
+
+#pragma once
+
+#include "benchmark_configuration.hpp"
+#include "benchmark.hpp"
+#include "duckdb/common/constants.hpp"
+#include "duckdb/common/fstream.hpp"
+#include <thread>
+
+namespace duckdb {
+class DuckDB;
+
+//! The benchmark runner class is responsible for running benchmarks
+class BenchmarkRunner {
+	BenchmarkRunner();
+
+public:
+	static constexpr const char *DUCKDB_BENCHMARK_DIRECTORY = "duckdb_benchmark_data";
+	BenchmarkConfiguration configuration;
+
+	static BenchmarkRunner &GetInstance() {
+		static BenchmarkRunner instance;
+		return instance;
+	}
+
+	static void InitializeBenchmarkDirectory();
+
+	//! Register a benchmark in the Benchmark Runner, this is done automatically
+	//! as long as the proper macro's are used
+	static void RegisterBenchmark(Benchmark *benchmark);
+
+	void Log(string message);
+	void LogLine(string message);
+	void LogResult(string message);
+	void LogOutput(string message);
+	void LogSummary(string benchmark, string message, size_t i);
+
+	void RunBenchmark(Benchmark *benchmark);
+	void RunBenchmarks();
+
+	vector<Benchmark *> benchmarks;
+	ofstream out_file;
+	ofstream log_file;
+	uint32_t threads = MaxValue<uint32_t>(std::thread::hardware_concurrency(), 1u);
+	string memory_limit;
+	unordered_map<string, string> custom_arguments;
+};
+
+} // namespace duckdb