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// processinfo_win32.cpp
/* Copyright 2009 10gen Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "pch.h"
#include "processinfo.h"
#include <iostream>
#include <psapi.h>
using namespace std;
namespace mongo {
// dynamically link to psapi.dll (in case this version of Windows
// does not support what we need)
struct PsApiInit {
bool supported;
typedef BOOL (WINAPI *pQueryWorkingSetEx)(HANDLE hProcess,
PVOID pv,
DWORD cb);
pQueryWorkingSetEx QueryWSEx;
PsApiInit() {
HINSTANCE psapiLib = LoadLibrary( TEXT("psapi.dll") );
if (psapiLib) {
QueryWSEx = reinterpret_cast<pQueryWorkingSetEx>
( GetProcAddress( psapiLib, "QueryWorkingSetEx" ) );
if (QueryWSEx) {
supported = true;
return;
}
}
supported = false;
}
};
static PsApiInit* psapiGlobal = NULL;
int _wconvertmtos( SIZE_T s ) {
return (int)( s / ( 1024 * 1024 ) );
}
ProcessInfo::ProcessInfo( ProcessId pid ) {
}
ProcessInfo::~ProcessInfo() {
}
bool ProcessInfo::supported() {
return true;
}
int ProcessInfo::getVirtualMemorySize() {
MEMORYSTATUSEX mse;
mse.dwLength = sizeof(mse);
verify( GlobalMemoryStatusEx( &mse ) );
DWORDLONG x = (mse.ullTotalVirtual - mse.ullAvailVirtual) / (1024 * 1024) ;
verify( x <= 0x7fffffff );
return (int) x;
}
int ProcessInfo::getResidentSize() {
PROCESS_MEMORY_COUNTERS pmc;
verify( GetProcessMemoryInfo( GetCurrentProcess() , &pmc, sizeof(pmc) ) );
return _wconvertmtos( pmc.WorkingSetSize );
}
void ProcessInfo::getExtraInfo(BSONObjBuilder& info) {
MEMORYSTATUSEX mse;
mse.dwLength = sizeof(mse);
PROCESS_MEMORY_COUNTERS pmc;
if( GetProcessMemoryInfo( GetCurrentProcess() , &pmc, sizeof(pmc) ) ) {
info.append("page_faults", static_cast<int>(pmc.PageFaultCount));
info.append("usagePageFileMB", static_cast<int>(pmc.PagefileUsage / 1024 / 1024));
}
if( GlobalMemoryStatusEx( &mse ) ) {
info.append("totalPageFileMB", static_cast<int>(mse.ullTotalPageFile / 1024 / 1024));
info.append("availPageFileMB", static_cast<int>(mse.ullAvailPageFile / 1024 / 1024));
info.append("ramMB", static_cast<int>(mse.ullTotalPhys / 1024 / 1024));
}
}
void ProcessInfo::SystemInfo::collectSystemInfo() {
BSONObjBuilder bExtra;
stringstream verstr;
OSVERSIONINFOEX osvi; // os version
MEMORYSTATUSEX mse; // memory stats
SYSTEM_INFO ntsysinfo; //system stats
// get basic processor properties
GetNativeSystemInfo( &ntsysinfo );
addrSize = (ntsysinfo.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_AMD64 ? 64 : 32);
numCores = ntsysinfo.dwNumberOfProcessors;
pageSize = static_cast<unsigned long long>(ntsysinfo.dwPageSize);
bExtra.append("pageSize", static_cast<long long>(pageSize));
// get memory info
mse.dwLength = sizeof( mse );
if ( GlobalMemoryStatusEx( &mse ) ) {
memSize = mse.ullTotalPhys;
}
// get OS version info
ZeroMemory( &osvi, sizeof( osvi ) );
osvi.dwOSVersionInfoSize = sizeof( osvi );
if ( GetVersionEx( (OSVERSIONINFO*)&osvi ) ) {
verstr << osvi.dwMajorVersion << "." << osvi.dwMinorVersion;
if ( osvi.wServicePackMajor )
verstr << " SP" << osvi.wServicePackMajor;
verstr << " (build " << osvi.dwBuildNumber << ")";
osName = "Microsoft ";
switch ( osvi.dwMajorVersion ) {
case 6:
switch ( osvi.dwMinorVersion ) {
case 2:
if ( osvi.wProductType == VER_NT_WORKSTATION )
osName += "Windows 8";
else
osName += "Windows Server 8";
break;
case 1:
if ( osvi.wProductType == VER_NT_WORKSTATION )
osName += "Windows 7";
else
osName += "Windows Server 2008 R2";
break;
case 0:
if ( osvi.wProductType == VER_NT_WORKSTATION )
osName += "Windows Vista";
else
osName += "Windows Server 2008";
break;
default:
osName += "Windows NT version ";
osName += verstr.str();
break;
}
break;
case 5:
switch ( osvi.dwMinorVersion ) {
case 2:
osName += "Windows Server 2003";
break;
case 1:
osName += "Windows XP";
break;
case 0:
if ( osvi.wProductType == VER_NT_WORKSTATION )
osName += "Windows 2000 Professional";
else
osName += "Windows 2000 Server";
break;
default:
osName += "Windows NT version ";
osName += verstr.str();
break;
}
break;
}
}
else {
// unable to get any version data
osName += "Windows NT";
}
if ( ntsysinfo.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_AMD64 ) { cpuArch = "x86_64"; }
else if ( ntsysinfo.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_INTEL ) { cpuArch = "x86"; }
else if ( ntsysinfo.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_IA64 ) { cpuArch = "ia64"; }
else { cpuArch = "unknown"; }
osType = "Windows";
osVersion = verstr.str();
hasNuma = checkNumaEnabled();
_extraStats = bExtra.obj();
if (psapiGlobal == NULL) {
psapiGlobal = new PsApiInit();
}
}
bool ProcessInfo::checkNumaEnabled() {
return false;
}
bool ProcessInfo::blockCheckSupported() {
return psapiGlobal->supported;
}
bool ProcessInfo::blockInMemory(const void* start) {
#if 0
// code for printing out page fault addresses and pc's --
// this could be useful for targetting heavy pagefault locations in the code
static BOOL bstat = InitializeProcessForWsWatch( GetCurrentProcess() );
PSAPI_WS_WATCH_INFORMATION_EX wiex[30];
DWORD bufsize = sizeof(wiex);
bstat = GetWsChangesEx( GetCurrentProcess(), &wiex[0], &bufsize );
if (bstat) {
for (int i=0; i<30; i++) {
if (wiex[i].BasicInfo.FaultingPc == 0) break;
cout << "faulting pc = " << wiex[i].BasicInfo.FaultingPc << " address = " << wiex[i].BasicInfo.FaultingVa << " thread id = " << wiex[i].FaultingThreadId << endl;
}
}
#endif
PSAPI_WORKING_SET_EX_INFORMATION wsinfo;
wsinfo.VirtualAddress = const_cast<void*>(start);
BOOL result = psapiGlobal->QueryWSEx( GetCurrentProcess(), &wsinfo, sizeof(wsinfo) );
if ( result )
if ( wsinfo.VirtualAttributes.Valid )
return true;
return false;
}
bool ProcessInfo::pagesInMemory(const void* start, size_t numPages, vector<char>* out) {
out->resize(numPages);
scoped_array<PSAPI_WORKING_SET_EX_INFORMATION> wsinfo(
new PSAPI_WORKING_SET_EX_INFORMATION[numPages]);
const void* startOfFirstPage = alignToStartOfPage(start);
for (size_t i = 0; i < numPages; i++) {
wsinfo[i].VirtualAddress = reinterpret_cast<void*>(
reinterpret_cast<unsigned long long>(startOfFirstPage) + i * getPageSize());
}
BOOL result = psapiGlobal->QueryWSEx(GetCurrentProcess(),
wsinfo.get(),
sizeof(PSAPI_WORKING_SET_EX_INFORMATION) * numPages);
if (!result) return false;
for (size_t i = 0; i < numPages; ++i) {
(*out)[i] = wsinfo[i].VirtualAttributes.Valid ? 1 : 0;
}
return true;
}
}
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