50 lines
1018 B
C++
50 lines
1018 B
C++
//===-- Timer.h -------------------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef __PerfTestDriver__Timer__
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#define __PerfTestDriver__Timer__
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#include "Gauge.h"
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#include <chrono>
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using namespace std::chrono;
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namespace lldb_perf {
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class TimeGauge : public Gauge<double> {
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public:
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TimeGauge();
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virtual ~TimeGauge() {}
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void Start();
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double Stop();
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virtual double GetStartValue() const;
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virtual double GetStopValue() const;
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virtual double GetDeltaValue() const;
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private:
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enum class State { eNeverUsed, eCounting, eStopped };
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typedef high_resolution_clock::time_point TimeType;
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TimeType m_start;
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TimeType m_stop;
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double m_delta;
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State m_state;
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TimeType Now();
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};
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}
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#endif /* defined(__PerfTestDriver__Timer__) */
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