forked from OSchip/llvm-project
93 lines
2.3 KiB
C++
93 lines
2.3 KiB
C++
//===-- MemoryGauge.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__MemoryGauge__
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#define __PerfTestDriver__MemoryGauge__
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#include "Gauge.h"
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#include "Results.h"
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#include <mach/task_info.h>
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namespace lldb_perf {
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class MemoryStats {
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public:
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MemoryStats(mach_vm_size_t virtual_size = 0, mach_vm_size_t resident_size = 0,
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mach_vm_size_t max_resident_size = 0);
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MemoryStats(const MemoryStats &rhs);
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MemoryStats &operator=(const MemoryStats &rhs);
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MemoryStats &operator+=(const MemoryStats &rhs);
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MemoryStats operator-(const MemoryStats &rhs);
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MemoryStats operator+(const MemoryStats &rhs);
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MemoryStats operator/(size_t rhs);
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MemoryStats operator*(const MemoryStats &rhs);
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mach_vm_size_t GetVirtualSize() const { return m_virtual_size; }
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mach_vm_size_t GetResidentSize() const { return m_resident_size; }
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mach_vm_size_t GetMaxResidentSize() const { return m_max_resident_size; }
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void SetVirtualSize(mach_vm_size_t vs) { m_virtual_size = vs; }
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void SetResidentSize(mach_vm_size_t rs) { m_resident_size = rs; }
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void SetMaxResidentSize(mach_vm_size_t mrs) { m_max_resident_size = mrs; }
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Results::ResultSP GetResult(const char *name, const char *description) const;
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private:
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mach_vm_size_t m_virtual_size;
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mach_vm_size_t m_resident_size;
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mach_vm_size_t m_max_resident_size;
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};
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class MemoryGauge : public Gauge<MemoryStats> {
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public:
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MemoryGauge();
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virtual ~MemoryGauge() {}
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void Start();
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ValueType Stop();
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virtual ValueType GetStartValue() const { return m_start; }
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virtual ValueType GetStopValue() const { return m_stop; }
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virtual ValueType GetDeltaValue() const;
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private:
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enum class State { eNeverUsed, eCounting, eStopped };
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ValueType Now();
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State m_state;
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ValueType m_start;
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ValueType m_stop;
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ValueType m_delta;
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};
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template <>
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Results::ResultSP GetResult(const char *description, MemoryStats value);
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} // namespace lldb_perf
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lldb_perf::MemoryStats sqrt(const lldb_perf::MemoryStats &arg);
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#endif // #ifndef __PerfTestDriver__MemoryGauge__
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