Mesen/Core/Profiler.h

#pragma once
#include "stdafx.h"
#include "DebuggerTypes.h"

class Debugger;
class CPU;

struct ProfiledFunction
{
	uint64_t ExclusiveCycles = 0;
	uint64_t InclusiveCycles = 0;
	uint64_t CallCount = 0;
	uint64_t MinCycles = UINT64_MAX;
	uint64_t MaxCycles = 0;
	AddressTypeInfo Address;
};

class Profiler
{
private:
	Debugger* _debugger;
	CPU* _cpu;

	unordered_map<int32_t, ProfiledFunction> _functions;

	deque<int32_t> _functionStack;
	deque<StackFrameFlags> _stackFlags;
	deque<uint64_t> _cycleCountStack;

	uint64_t _currentCycleCount;
	uint64_t _prevMasterClock;
	int32_t _currentFunction;

	void InternalReset();
	void UpdateCycles();

public:
	Profiler(Debugger* debugger);
	~Profiler();

	void StackFunction(AddressTypeInfo& addr, StackFrameFlags stackFlag);
	void UnstackFunction();

	void Reset();
	void GetProfilerData(ProfiledFunction* profilerData, uint32_t& functionCount);
};