should be it

external/duckdb/test/api/test_query_profiler.cpp

@@ -0,0 +1,27 @@
+#include "catch.hpp"
+#include "test_helpers.hpp"
+
+#include <iostream>
+
+using namespace duckdb;
+using namespace std;
+
+TEST_CASE("Test query profiler", "[api]") {
+	duckdb::unique_ptr<QueryResult> result;
+	DuckDB db(nullptr);
+	Connection con(db);
+	string output;
+
+	con.EnableQueryVerification();
+	con.EnableProfiling();
+	// don't pollute the console with profiler info.
+	con.context->config.emit_profiler_output = false;
+
+	REQUIRE_NO_FAIL(con.Query("SELECT * FROM (SELECT 42) tbl1, (SELECT 33) tbl2"));
+
+	output = con.GetProfilingInformation();
+	REQUIRE(output.size() > 0);
+
+	output = con.GetProfilingInformation(ProfilerPrintFormat::JSON);
+	REQUIRE(output.size() > 0);
+}