Stopwatch.h

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#ifndef STOPWATCH_H
#define STOPWATCH_H

#include <string>
#include <vector>
#include <sstream>

#include "TStopwatch.h"

namespace util {

  struct StopwatchTimes {
    double cpu_time;
    double real_time;
  };

  class Stopwatch {
  public:

    Stopwatch(const char * tool_name);

    void   Start();
    StopwatchTimes Stop();
    std::string Result(std::string method_name, std::string output_file = "");
    void Reset();

  private:
    TStopwatch  m_sw;
    std::vector<StopwatchTimes> m_results;
    bool m_running;

    std::string m_tool_name;

  };

} //util

#endif //STOPWATCH_H