#include?“stdafx.h“
#include?“CpuCheck.h“
#include???
#include???
#include???


float?CPUusage::get_cpu_usage（）
{

	FILETIME?now;
	FILETIME?creation_time;
	FILETIME?exit_time;
	FILETIME?kernel_time;
	FILETIME?user_time;
	int64_t?system_time;
	int64_t?time;
	int64_t?system_time_delta;
	int64_t?time_delta;

	DWORD?exitcode;

	float?cpu?=?-1;

	if?（!_hProcess）
	{
		return?-1;
	}


	GetSystemTimeAsFileTime（&now）;

	//判斷進程是否已經退出??
	GetExitCodeProcess（_hProcess?&exitcode）;
	if?（exitcode?!=?STILL_ACTIVE）?{
		clear（）;
		printf（“exitcode:%d?process?exit\n“?exitcode）;
		return?-1;
	}

	//計算占用CPU的百分比??
	if?（!GetProcessTimes（_hProcess?&creation_time?&exit_time?&kernel_time?&user_time））
	{
		DWORD?lasterr?=?GetLastError（）;
		clear（）;
		printf（“lasterr:%d?process?cpu\n“?lasterr）;
		return?-1;
	}
	system_time?=?（file_time_2_utc（&kernel_time）?+?file_time_2_utc（&user_time））
		/?_processor;
	time?=?file_time_2_utc（&now）;

	//判斷是否為首次計算??
	if?（（_last_system_time?==?0）?||?（_last_time?==?0））
	{
		_last_system_time?=?system_time;
		_last_time?=?time;
		return?-2;
	}

	system_time_delta?=?system_time?-?_last_system_time;
	time_delta?=?time?-?_last_time;

	if?（time_delta?==?0）?{
		return?-1;
	}

	cpu?=?（float）system_time_delta?*?100?/?（float）time_delta;
	_last_system_time?=?system_time;
	_last_time?=?time;
	return?cpu;
}

CPUusage::uint64_t?CPUusage::file_time_2_utc（const?FILETIME*?ftime）
{
	LARGE_INTEGER?li;

	li.LowPart?=?ftime->dwLowDateTime;
	li.HighPart?=?ftime->dwHighDateTime;
	return?li.QuadPart;
}

int?CPUusage::get_processor_number（）
{
	SYSTEM_INFO?info;
	GetSystemInfo（&info）;
	return?info.dwNumberOfProcessors;
}




int?CPUusage::get_memory_usage（int?pid?uint64_t*?mem?uint64_t*?vmem）
{
	PROCESS_MEMORY_COUNTERS?pmc;
	if?（GetProcessMemoryInfo（OpenProcess（PROCESS_QUERY_LIMITED_INFORMATION?false?pid）?&pmc?sizeof（pmc）））
	{
		if?（mem）?*mem?=?pmc.WorkingSetSize;
		if?（vmem）?*vmem?=?pmc.PagefileUsage;
		return?0;
	}
	return?-1;
}



int?CPUusage::get_io_bytes（uint64_t*?read_bytes?uint64_t*?write_bytes）
{
	IO_COUNTERS?io_counter;
	if?（GetProcessIoCounters（GetCurrentProcess（）?&io_counter））
	{
		if?（read_bytes）?*read_bytes?=?io_counter.ReadTransferCount;
		if?（write_bytes）?*write_bytes?=?io_counter.WriteTransferCount;
		return?0;
	}
	return?-1;
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2017-09-20?18:15??ProcessNetRateDemo\
?????目錄???????????0??2017-09-20?18:15??ProcessNetRateDemo\Debug\
?????目錄???????????0??2017-09-20?18:11??ProcessNetRateDemo\ProcessNetRateDemo\
?????文件????????2448??2017-08-12?19:46??ProcessNetRateDemo\ProcessNetRateDemo\CpuCheck.cpp
?????文件????????2234??2017-08-15?11:38??ProcessNetRateDemo\ProcessNetRateDemo\CpuCheck.h
?????目錄???????????0??2017-09-20?18:14??ProcessNetRateDemo\ProcessNetRateDemo\Debug\
?????目錄???????????0??2017-09-20?18:15??ProcessNetRateDemo\ProcessNetRateDemo\Debug\ProcessN.97583C40.tlog\
?????文件????????2392??2017-09-20?18:14??ProcessNetRateDemo\ProcessNetRateDemo\Debug\ProcessNetRateDemo.Build.CppClean.log
?????文件??????????86??2017-09-20?18:14??ProcessNetRateDemo\ProcessNetRateDemo\Debug\ProcessNetRateDemo.log
?????文件???????12499??2017-09-20?18:11??ProcessNetRateDemo\ProcessNetRateDemo\ProcessNetRateDemo.cpp
?????文件????????5571??2017-08-12?16:00??ProcessNetRateDemo\ProcessNetRateDemo\ProcessNetRateDemo.vcxproj
?????文件????????3529??2017-08-12?16:00??ProcessNetRateDemo\ProcessNetRateDemo\ProcessNetRateDemo.vcxproj.filters
?????文件?????????165??2017-08-11?16:44??ProcessNetRateDemo\ProcessNetRateDemo\ProcessNetRateDemo.vcxproj.user
?????文件????????1792??2017-08-11?16:39??ProcessNetRateDemo\ProcessNetRateDemo\ReadMe.txt
?????目錄???????????0??2017-08-11?16:48??ProcessNetRateDemo\ProcessNetRateDemo\plugins_bak\
?????文件????????1200??2017-08-11?12:59??ProcessNetRateDemo\ProcessNetRateDemo\plugins_bak\Plugin.h
?????目錄???????????0??2017-08-11?16:48??ProcessNetRateDemo\ProcessNetRateDemo\plugins_bak\abstract\
?????文件?????????799??2017-08-11?12:59??ProcessNetRateDemo\ProcessNetRateDemo\plugins_bak\abstract\Model.cpp
?????文件?????????963??2017-08-11?12:59??ProcessNetRateDemo\ProcessNetRateDemo\plugins_bak\abstract\Model.h
?????文件?????????818??2017-08-11?12:59??ProcessNetRateDemo\ProcessNetRateDemo\plugins_bak\abstract\View.cpp
?????文件?????????935??2017-08-11?12:59??ProcessNetRateDemo\ProcessNetRateDemo\plugins_bak\abstract\View.h
?????目錄???????????0??2017-08-11?16:48??ProcessNetRateDemo\ProcessNetRateDemo\plugins_bak\detail\
?????文件?????????791??2017-08-11?12:59??ProcessNetRateDemo\ProcessNetRateDemo\plugins_bak\detail\Detail.cpp
?????文件????????1307??2017-08-11?12:59??ProcessNetRateDemo\ProcessNetRateDemo\plugins_bak\detail\Detail.h
?????文件????????6626??2017-08-11?12:59??ProcessNetRateDemo\ProcessNetRateDemo\plugins_bak\detail\DetailModel.cpp
?????文件????????2505??2017-08-11?12:59??ProcessNetRateDemo\ProcessNetRateDemo\plugins_bak\detail\DetailModel.h
?????文件???????13863??2017-08-11?12:59??ProcessNetRateDemo\ProcessNetRateDemo\plugins_bak\detail\DetailView.cpp
?????文件????????1960??2017-08-11?12:59??ProcessNetRateDemo\ProcessNetRateDemo\plugins_bak\detail\DetailView.h
?????目錄???????????0??2017-08-11?16:48??ProcessNetRateDemo\ProcessNetRateDemo\plugins_bak\month\
?????文件?????????775??2017-08-11?12:59??ProcessNetRateDemo\ProcessNetRateDemo\plugins_bak\month\Month.cpp
?????文件????????1298??2017-08-11?12:59??ProcessNetRateDemo\ProcessNetRateDemo\plugins_bak\month\Month.h
............此處省略77個文件信息