mirror of
https://github.com/chibicitiberiu/rainmeter-studio.git
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Fixed line endings and applied gitignore
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@ -1,221 +1,221 @@
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/*
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Copyright (C) 2001 Kimmo Pekkola
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "StdAfx.h"
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#include "MeasureCPU.h"
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#include "Rainmeter.h"
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#include "System.h"
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#include "Error.h"
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#define STATUS_SUCCESS 0
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#define STATUS_INFO_LENGTH_MISMATCH 0xC0000004
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#define SystemProcessorPerformanceInformation 8
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typedef struct _SYSTEM_PROCESSOR_PERFORMANCE_INFORMATION {
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LARGE_INTEGER IdleTime;
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LARGE_INTEGER KernelTime;
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LARGE_INTEGER UserTime;
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LARGE_INTEGER Reserved1[2];
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ULONG Reserved2;
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} SYSTEM_PROCESSOR_PERFORMANCE_INFORMATION, *PSYSTEM_PROCESSOR_PERFORMANCE_INFORMATION;
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#define Li2Double(x) ((double)((x).QuadPart))
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#define Ft2Double(x) ((double)((x).dwHighDateTime) * 4.294967296E9 + (double)((x).dwLowDateTime))
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FPNTQSI MeasureCPU::c_NtQuerySystemInformation = nullptr;
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int MeasureCPU::c_NumOfProcessors = 0;
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ULONG MeasureCPU::c_BufferSize = 0;
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// ntdll!NtQuerySystemInformation (NT specific!)
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//
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// The function copies the system information of the
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// specified type into a buffer
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//
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// NTSYSAPI
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// NTSTATUS
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// NTAPI
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// NtQuerySystemInformation(
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// IN UINT SystemInformationClass, // information type
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// OUT PVOID SystemInformation, // pointer to buffer
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// IN ULONG SystemInformationLength, // buffer size in bytes
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// OUT PULONG ReturnLength OPTIONAL // pointer to a 32-bit
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// // variable that receives
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// // the number of bytes
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// // written to the buffer
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// );
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/*
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** The constructor
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**
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*/
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MeasureCPU::MeasureCPU(MeterWindow* meterWindow, const WCHAR* name) : Measure(meterWindow, name),
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m_Processor(),
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m_OldTime()
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{
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m_MaxValue = 100.0;
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}
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/*
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** The destructor
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**
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*/
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MeasureCPU::~MeasureCPU()
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{
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}
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/*
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** Read the options specified in the ini file.
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**
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*/
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void MeasureCPU::ReadOptions(ConfigParser& parser, const WCHAR* section)
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{
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Measure::ReadOptions(parser, section);
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int processor = parser.ReadInt(section, L"Processor", 0);
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if (processor < 0 || processor > c_NumOfProcessors)
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{
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LogWarningF(this, L"CPU: Processor=%i is not valid", processor);
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processor = 0;
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}
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if (processor != m_Processor)
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{
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m_Processor = processor;
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m_OldTime[0] = m_OldTime[1] = 0.0;
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}
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}
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/*
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** Updates the current CPU utilization value.
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**
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*/
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void MeasureCPU::UpdateValue()
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{
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if (m_Processor == 0)
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{
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BOOL status;
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FILETIME ftIdleTime, ftKernelTime, ftUserTime;
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// get new CPU's idle/kernel/user time
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status = GetSystemTimes(&ftIdleTime, &ftKernelTime, &ftUserTime);
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if (status == 0) return;
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CalcUsage(Ft2Double(ftIdleTime),
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Ft2Double(ftKernelTime) + Ft2Double(ftUserTime));
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}
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else if (c_NtQuerySystemInformation)
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{
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LONG status;
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ULONG bufSize = c_BufferSize;
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BYTE* buf = (bufSize > 0) ? new BYTE[bufSize] : nullptr;
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int loop = 0;
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do
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{
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ULONG size = 0;
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status = c_NtQuerySystemInformation(SystemProcessorPerformanceInformation, buf, bufSize, &size);
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if (status == STATUS_INFO_LENGTH_MISMATCH)
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{
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if (size == 0) // Returned required buffer size is always 0 on Windows 2000/XP.
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{
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if (bufSize == 0)
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{
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bufSize = sizeof(SYSTEM_PROCESSOR_PERFORMANCE_INFORMATION) * c_NumOfProcessors;
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}
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else
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{
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bufSize += sizeof(SYSTEM_PROCESSOR_PERFORMANCE_INFORMATION);
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}
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}
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else
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{
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if (size != bufSize)
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{
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bufSize = size;
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}
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else // ??
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{
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bufSize += sizeof(SYSTEM_PROCESSOR_PERFORMANCE_INFORMATION);
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}
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}
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delete [] buf;
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buf = new BYTE[bufSize];
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}
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else
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{
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break;
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}
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++loop;
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}
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while (loop < 5);
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if (status == STATUS_SUCCESS)
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{
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if (bufSize != c_BufferSize)
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{
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// Store the new buffer size
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c_BufferSize = bufSize;
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}
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PSYSTEM_PROCESSOR_PERFORMANCE_INFORMATION systemPerfInfo = (PSYSTEM_PROCESSOR_PERFORMANCE_INFORMATION)buf;
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int processor = m_Processor - 1;
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CalcUsage(Li2Double(systemPerfInfo[processor].IdleTime),
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Li2Double(systemPerfInfo[processor].KernelTime) + Li2Double(systemPerfInfo[processor].UserTime));
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}
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delete [] buf;
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}
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}
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/*
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** Calculates the current CPU utilization value.
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**
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*/
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void MeasureCPU::CalcUsage(double idleTime, double systemTime)
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{
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// CurrentCpuUsage% = 100 - ((IdleTime / SystemTime) * 100)
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double dbCpuUsage = 100.0 - ((idleTime - m_OldTime[0]) / (systemTime - m_OldTime[1])) * 100.0;
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dbCpuUsage = min(dbCpuUsage, 100.0);
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m_Value = max(dbCpuUsage, 0.0);
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// store new CPU's idle and system time
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m_OldTime[0] = idleTime;
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m_OldTime[1] = systemTime;
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}
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void MeasureCPU::InitializeStatic()
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{
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c_NtQuerySystemInformation = (FPNTQSI)GetProcAddress(GetModuleHandle(L"ntdll"), "NtQuerySystemInformation");
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SYSTEM_INFO systemInfo;
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GetSystemInfo(&systemInfo);
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c_NumOfProcessors = (int)systemInfo.dwNumberOfProcessors;
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}
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void MeasureCPU::FinalizeStatic()
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{
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}
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/*
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Copyright (C) 2001 Kimmo Pekkola
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "StdAfx.h"
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#include "MeasureCPU.h"
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#include "Rainmeter.h"
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#include "System.h"
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#include "Error.h"
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#define STATUS_SUCCESS 0
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#define STATUS_INFO_LENGTH_MISMATCH 0xC0000004
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#define SystemProcessorPerformanceInformation 8
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typedef struct _SYSTEM_PROCESSOR_PERFORMANCE_INFORMATION {
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LARGE_INTEGER IdleTime;
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LARGE_INTEGER KernelTime;
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LARGE_INTEGER UserTime;
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LARGE_INTEGER Reserved1[2];
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ULONG Reserved2;
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} SYSTEM_PROCESSOR_PERFORMANCE_INFORMATION, *PSYSTEM_PROCESSOR_PERFORMANCE_INFORMATION;
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#define Li2Double(x) ((double)((x).QuadPart))
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#define Ft2Double(x) ((double)((x).dwHighDateTime) * 4.294967296E9 + (double)((x).dwLowDateTime))
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FPNTQSI MeasureCPU::c_NtQuerySystemInformation = nullptr;
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int MeasureCPU::c_NumOfProcessors = 0;
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ULONG MeasureCPU::c_BufferSize = 0;
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// ntdll!NtQuerySystemInformation (NT specific!)
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//
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// The function copies the system information of the
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// specified type into a buffer
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//
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// NTSYSAPI
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// NTSTATUS
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// NTAPI
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// NtQuerySystemInformation(
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// IN UINT SystemInformationClass, // information type
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// OUT PVOID SystemInformation, // pointer to buffer
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// IN ULONG SystemInformationLength, // buffer size in bytes
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// OUT PULONG ReturnLength OPTIONAL // pointer to a 32-bit
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// // variable that receives
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// // the number of bytes
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// // written to the buffer
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// );
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/*
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** The constructor
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**
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*/
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MeasureCPU::MeasureCPU(MeterWindow* meterWindow, const WCHAR* name) : Measure(meterWindow, name),
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m_Processor(),
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m_OldTime()
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{
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m_MaxValue = 100.0;
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}
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/*
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** The destructor
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**
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*/
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MeasureCPU::~MeasureCPU()
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{
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}
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/*
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** Read the options specified in the ini file.
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**
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*/
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void MeasureCPU::ReadOptions(ConfigParser& parser, const WCHAR* section)
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{
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Measure::ReadOptions(parser, section);
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int processor = parser.ReadInt(section, L"Processor", 0);
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if (processor < 0 || processor > c_NumOfProcessors)
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{
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LogWarningF(this, L"CPU: Processor=%i is not valid", processor);
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processor = 0;
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}
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if (processor != m_Processor)
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{
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m_Processor = processor;
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m_OldTime[0] = m_OldTime[1] = 0.0;
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}
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}
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/*
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** Updates the current CPU utilization value.
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**
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*/
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void MeasureCPU::UpdateValue()
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{
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if (m_Processor == 0)
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{
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BOOL status;
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FILETIME ftIdleTime, ftKernelTime, ftUserTime;
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// get new CPU's idle/kernel/user time
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status = GetSystemTimes(&ftIdleTime, &ftKernelTime, &ftUserTime);
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if (status == 0) return;
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CalcUsage(Ft2Double(ftIdleTime),
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Ft2Double(ftKernelTime) + Ft2Double(ftUserTime));
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}
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else if (c_NtQuerySystemInformation)
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{
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LONG status;
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ULONG bufSize = c_BufferSize;
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BYTE* buf = (bufSize > 0) ? new BYTE[bufSize] : nullptr;
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int loop = 0;
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do
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{
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ULONG size = 0;
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status = c_NtQuerySystemInformation(SystemProcessorPerformanceInformation, buf, bufSize, &size);
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if (status == STATUS_INFO_LENGTH_MISMATCH)
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{
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if (size == 0) // Returned required buffer size is always 0 on Windows 2000/XP.
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{
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if (bufSize == 0)
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{
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bufSize = sizeof(SYSTEM_PROCESSOR_PERFORMANCE_INFORMATION) * c_NumOfProcessors;
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}
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else
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{
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bufSize += sizeof(SYSTEM_PROCESSOR_PERFORMANCE_INFORMATION);
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}
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}
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else
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{
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if (size != bufSize)
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{
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bufSize = size;
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}
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else // ??
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{
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bufSize += sizeof(SYSTEM_PROCESSOR_PERFORMANCE_INFORMATION);
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}
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}
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delete [] buf;
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buf = new BYTE[bufSize];
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}
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else
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{
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break;
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}
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++loop;
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}
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while (loop < 5);
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if (status == STATUS_SUCCESS)
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{
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if (bufSize != c_BufferSize)
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{
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// Store the new buffer size
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c_BufferSize = bufSize;
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}
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PSYSTEM_PROCESSOR_PERFORMANCE_INFORMATION systemPerfInfo = (PSYSTEM_PROCESSOR_PERFORMANCE_INFORMATION)buf;
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int processor = m_Processor - 1;
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CalcUsage(Li2Double(systemPerfInfo[processor].IdleTime),
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Li2Double(systemPerfInfo[processor].KernelTime) + Li2Double(systemPerfInfo[processor].UserTime));
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}
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delete [] buf;
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}
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}
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/*
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** Calculates the current CPU utilization value.
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**
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*/
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void MeasureCPU::CalcUsage(double idleTime, double systemTime)
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{
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// CurrentCpuUsage% = 100 - ((IdleTime / SystemTime) * 100)
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double dbCpuUsage = 100.0 - ((idleTime - m_OldTime[0]) / (systemTime - m_OldTime[1])) * 100.0;
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dbCpuUsage = min(dbCpuUsage, 100.0);
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m_Value = max(dbCpuUsage, 0.0);
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// store new CPU's idle and system time
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m_OldTime[0] = idleTime;
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m_OldTime[1] = systemTime;
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}
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void MeasureCPU::InitializeStatic()
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{
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c_NtQuerySystemInformation = (FPNTQSI)GetProcAddress(GetModuleHandle(L"ntdll"), "NtQuerySystemInformation");
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SYSTEM_INFO systemInfo;
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GetSystemInfo(&systemInfo);
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c_NumOfProcessors = (int)systemInfo.dwNumberOfProcessors;
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}
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void MeasureCPU::FinalizeStatic()
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{
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}
|
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Reference in New Issue
Block a user