Stopwatch.h

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#ifndef _utl_Stopwatch_h_
#define _utl_Stopwatch_h_

#include <sys/times.h>
#include <utl/AugerUnits.h>

namespace utl {

  class Stopwatch {

  public:
    enum CPUTime {
      eTotal,
      eUser,
      eSystem
    };

    Stopwatch();

    void Reset();
    void Start();
    void Stop();
    double GetCPUTime(const CPUTime kind = eTotal);

  private:
    static const long fgClockTicks;
    bool fIsStopped;
    struct tms fStart;
    clock_t fUserTimeSum;
    clock_t fSystemTimeSum;

  };

} // namespace utl

#endif

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