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/*============================================================================
KWSys - Kitware System Library
Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
Distributed under the OSI-approved BSD License (the "License");
see accompanying file Copyright.txt for details.
This software is distributed WITHOUT ANY WARRANTY; without even the
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the License for more information.
============================================================================*/
#ifndef @KWSYS_NAMESPACE@_SystemInformation_h
#define @KWSYS_NAMESPACE@_SystemInformation_h
#include <@KWSYS_NAMESPACE@/Configure.hxx>
#include <stddef.h> /* size_t */
#include <string>
namespace @KWSYS_NAMESPACE@
{
// forward declare the implementation class
class SystemInformationImplementation;
class @KWSYS_NAMESPACE@_EXPORT SystemInformation
{
#if @KWSYS_USE_LONG_LONG@
typedef long long LongLong;
#elif @KWSYS_USE___INT64@
typedef __int64 LongLong;
#else
# error "No Long Long"
#endif
friend class SystemInformationImplementation;
SystemInformationImplementation* Implementation;
public:
SystemInformation ();
~SystemInformation ();
const char * GetVendorString();
const char * GetVendorID();
std::string GetTypeID();
std::string GetFamilyID();
std::string GetModelID();
std::string GetModelName();
std::string GetSteppingCode();
const char * GetExtendedProcessorName();
const char * GetProcessorSerialNumber();
int GetProcessorCacheSize();
unsigned int GetLogicalProcessorsPerPhysical();
float GetProcessorClockFrequency();
int GetProcessorAPICID();
int GetProcessorCacheXSize(long int);
bool DoesCPUSupportFeature(long int);
// returns an informative general description of the cpu
// on this system.
std::string GetCPUDescription();
const char * GetHostname();
std::string GetFullyQualifiedDomainName();
const char * GetOSName();
const char * GetOSRelease();
const char * GetOSVersion();
const char * GetOSPlatform();
int GetOSIsWindows();
int GetOSIsLinux();
int GetOSIsApple();
// returns an informative general description of the os
// on this system.
std::string GetOSDescription();
bool Is64Bits();
unsigned int GetNumberOfLogicalCPU(); // per physical cpu
unsigned int GetNumberOfPhysicalCPU();
bool DoesCPUSupportCPUID();
// Retrieve id of the current running process
LongLong GetProcessId();
// Retrieve memory information in megabyte.
size_t GetTotalVirtualMemory();
size_t GetAvailableVirtualMemory();
size_t GetTotalPhysicalMemory();
size_t GetAvailablePhysicalMemory();
// returns an informative general description if the installed and
// available ram on this system. See the GetHostMmeoryTotal, and
// Get{Host,Proc}MemoryAvailable methods for more information.
std::string GetMemoryDescription(
const char *hostLimitEnvVarName=NULL,
const char *procLimitEnvVarName=NULL);
// Retrieve amount of physical memory installed on the system in KiB
// units.
LongLong GetHostMemoryTotal();
// Get total system RAM in units of KiB available colectivley to all
// processes in a process group. An example of a process group
// are the processes comprising an mpi program which is running in
// parallel. The amount of memory reported may differ from the host
// total if a host wide resource limit is applied. Such reource limits
// are reported to us via an applicaiton specified environment variable.
LongLong GetHostMemoryAvailable(const char *hostLimitEnvVarName=NULL);
// Get total system RAM in units of KiB available to this process.
// This may differ from the host available if a per-process resource
// limit is applied. per-process memory limits are applied on unix
// system via rlimit API. Resource limits that are not imposed via
// rlimit API may be reported to us via an application specified
// environment variable.
LongLong GetProcMemoryAvailable(
const char *hostLimitEnvVarName=NULL,
const char *procLimitEnvVarName=NULL);
// Get the system RAM used by all processes on the host, in units of KiB.
LongLong GetHostMemoryUsed();
// Get system RAM used by this process id in units of KiB.
LongLong GetProcMemoryUsed();
// Return the load average of the machine or -0.0 if it cannot
// be determined.
double GetLoadAverage();
// enable/disable stack trace signal handler. In order to
// produce an informative stack trace the application should
// be dynamically linked and compiled with debug symbols.
static
void SetStackTraceOnError(int enable);
// format and return the current program stack in a string. In
// order to produce an informative stack trace the application
// should be dynamically linked and compiled with debug symbols.
static
std::string GetProgramStack(int firstFrame, int wholePath);
/** Run the different checks */
void RunCPUCheck();
void RunOSCheck();
void RunMemoryCheck();
};
} // namespace @KWSYS_NAMESPACE@
#endif
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