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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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