1 files changed, 61 insertions, 0 deletions
diff --git a/runtime/libs/benchmark/include/benchmark/CsvWriter.h b/runtime/libs/benchmark/include/benchmark/CsvWriter.h
new file mode 100644
index 000000000..3e141216b
--- /dev/null
+++ b/runtime/libs/benchmark/include/benchmark/CsvWriter.h
@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) 2019 Samsung Electronics Co., Ltd. All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __NNFW_BENCHMARK_CSV_WRITER_H__
+#define __NNFW_BENCHMARK_CSV_WRITER_H__
+
+#include <vector>
+#include <string>
+#include <fstream>
+
+namespace benchmark
+{
+
+class CsvWriter
+{
+public:
+  CsvWriter(const std::string &csv_filename);
+  CsvWriter(const std::string &csv_filename, const std::vector<std::string> &header);
+  virtual ~CsvWriter();
+
+  void write(const std::string &val);
+  void write(double val);
+  void write(uint32_t val);
+  void write(char val);
+  bool done();
+
+public:
+  static const char delimiter = ',';
+  static const char newline = '\n';
+
+  friend CsvWriter &operator<<(CsvWriter &csvw, const std::string &val);
+  friend CsvWriter &operator<<(CsvWriter &csvw, double val);
+  friend CsvWriter &operator<<(CsvWriter &csvw, uint32_t val);
+  friend CsvWriter &operator<<(CsvWriter &csvw, char val);
+
+private:
+  void writeHeader(const std::vector<std::string> &header);
+  inline void postWrite();
+
+private:
+  std::ofstream _ofs;
+  uint32_t _header_size;
+  uint32_t _col_idx;
+};
+
+} // namespace benchmark
+
+#endif // __NNFW_BENCHMARK_CSV_WRITER_H__