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//===-- Timer.h -------------------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef __PerfTestDriver__Timer__
#define __PerfTestDriver__Timer__
#include "Gauge.h"
#include <chrono>
using namespace std::chrono;
namespace lldb_perf
{
class TimeGauge : public Gauge<double>
{
public:
TimeGauge ();
virtual
~TimeGauge ()
{
}
void
Start ();
double
Stop ();
virtual double
GetStartValue () const;
virtual double
GetStopValue () const;
virtual double
GetDeltaValue () const;
private:
enum class State
{
eNeverUsed,
eCounting,
eStopped
};
typedef high_resolution_clock::time_point TimeType;
TimeType m_start;
TimeType m_stop;
double m_delta;
State m_state;
TimeType
Now ();
};
}
#endif /* defined(__PerfTestDriver__Timer__) */
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