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# Memory.cpp

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    00001 // $Header: /local/reps/Gaudi/GaudiKernel/src/Lib/Memory.cpp,v 1.1 2001/03/14 15:30:16 mato Exp $
    00002 //====================================================================
    00003 //      Memory.cpp
    00004 //--------------------------------------------------------------------
    00005 //
    00006 //      Package    : System (The LHCb System service)
    00007 //
    00008 //  Description: Information of memory usage from a given process
    00009 //
    00010 //      Author     : M.Frank
    00011 //  Created    : 13/11/00
    00012 //      Changes    :
    00013 //
    00014 //====================================================================
    00015 #define GAUDIKERNEL_MEMORY_CPP
    00016
    00017 #ifdef _WIN32
    00018 #include "process.h"
    00019   #define getpid _getpid
    00020 #else
    00021   #include <errno.h>
    00022   #include <string.h>
    00023   #include "sys/times.h"
    00024   #include "unistd.h"
    00025   #include "libgen.h"
    00026   #include <cstdio>
    00027 #endif
    00028
    00029 // Framework include files
    00030 #include <limits.h>
    00031 #include "GaudiKernel/Memory.h"
    00032 #include "ProcessDescriptor.h"
    00033
    00035 long System::adjustMemory( MemoryUnit unit, long value )    {
    00036   if ( value != -1 )    {
    00037     switch ( unit )   {
    00038     case Byte:      value =       value;    break;
    00039     case kByte:     value =       value/1024;    break;
    00040     case MByte:     value =      (value/1024)/1024;    break;
    00041     case GByte:     value =     ((value/1024)/1024)/1024;    break;
    00042     case TByte:     value =    (((value/1024)/1024)/1024)/1024;    break;
    00043     case PByte:     value =   ((((value/1024)/1024)/1024)/1024)/1024;    break;
    00044     case EByte:     value =  (((((value/1024)/1024)/1024)/1024)/1024)/1024;    break;
    00045     default:        value =  -1;    break;
    00046     }
    00047   }
    00048   return value;
    00049 }
    00050
    00052 long System::basePriority(InfoType fetch, long pid)   {
    00053   PROCESS_BASIC_INFORMATION info;
    00054   if ( fetch != NoFetch && getProcess()->query(pid, ProcessBasics, &info) )
    00055     return info.BasePriority;
    00056   return 0;
    00057 }
    00058
    00060 long System::procID()   {
    00061   static long s_pid = ::getpid();
    00062   return s_pid;
    00063 }
    00064
    00066 long System::parentID(InfoType fetch, long pid)   {
    00067   PROCESS_BASIC_INFORMATION info;
    00068   if ( fetch != NoFetch && getProcess()->query(pid, ProcessBasics, &info) )
    00069     return info.InheritedFromUniqueProcessId;
    00070   return 0;
    00071 }
    00072
    00074 long System::affinityMask(InfoType fetch, long pid)   {
    00075   PROCESS_BASIC_INFORMATION info;
    00076   if ( fetch != NoFetch && getProcess()->query(pid, ProcessBasics, &info) )
    00077     return info.AffinityMask;
    00078   return 0;
    00079 }
    00080
    00082 long System::exitStatus(InfoType fetch, long pid)   {
    00083   PROCESS_BASIC_INFORMATION info;
    00084   if ( fetch != NoFetch && getProcess()->query(pid, ProcessBasics, &info) )
    00085     return info.ExitStatus;
    00086   return -2;
    00087 }
    00088
    00090 long System::priorityBoost(InfoType fetch, long pid)   {
    00091   long info;
    00092   if ( fetch != NoFetch && getProcess()->query(pid, fetch, &info) )
    00093     return info;
    00094   return -2;
    00095 }
    00096
    00098 long System::nonPagedMemoryPeak(MemoryUnit unit, InfoType fetch, long pid)   {
    00099   VM_COUNTERS info;
    00100   if ( fetch != NoFetch && getProcess()->query(pid, fetch, &info) )
    00101     return adjustMemory(unit, info.QuotaPeakNonPagedPoolUsage);
    00102   return -2;
    00103 }
    00104
    00106 long System::nonPagedMemory(MemoryUnit unit, InfoType fetch, long pid)   {
    00107   VM_COUNTERS info;
    00108   if ( fetch != NoFetch && getProcess()->query(pid, fetch, &info) )
    00109     return adjustMemory(unit, info.QuotaNonPagedPoolUsage);
    00110   return -2;
    00111 }
    00112
    00114 long System::nonPagedMemoryLimit(MemoryUnit unit, InfoType fetch, long pid)   {
    00115   POOLED_USAGE_AND_LIMITS quota;
    00116   if ( fetch != NoFetch && getProcess()->query(pid, fetch, &quota) )
    00117     return adjustMemory(unit, quota.NonPagedPoolLimit);
    00118   return 0;
    00119 }
    00120
    00122 long System::pagedMemory(MemoryUnit unit, InfoType fetch, long pid)   {
    00123   VM_COUNTERS info;
    00124   if ( fetch != NoFetch && getProcess()->query(pid, fetch, &info) )
    00125     return adjustMemory(unit, info.QuotaPagedPoolUsage);
    00126   return -2;
    00127 }
    00128
    00130 long System::pagedMemoryPeak(MemoryUnit unit, InfoType fetch, long pid)   {
    00131   VM_COUNTERS info;
    00132   if ( fetch != NoFetch && getProcess()->query(pid, fetch, &info) )
    00133     return adjustMemory(unit, info.QuotaPeakPagedPoolUsage);
    00134   return -2;
    00135 }
    00136
    00138 long System::pagedMemoryLimit(MemoryUnit unit, InfoType fetch, long pid)   {
    00139   POOLED_USAGE_AND_LIMITS quota;
    00140   if ( fetch != NoFetch && getProcess()->query(pid, fetch, &quota) )
    00141     return adjustMemory(unit, quota.PagedPoolLimit);
    00142   return 0;
    00143 }
    00144
    00146 long System::numPageFault(InfoType fetch, long pid)   {
    00147   VM_COUNTERS info;
    00148   if ( fetch != NoFetch && getProcess()->query(pid, fetch, &info) )
    00149     return info.PageFaultCount;
    00150   return -2;
    00151 }
    00152
    00154 long System::pagefileUsage(MemoryUnit unit, InfoType fetch, long pid)   {
    00155   VM_COUNTERS info;
    00156   if ( fetch != NoFetch && getProcess()->query(pid, fetch, &info) )
    00157     return adjustMemory(unit, info.PagefileUsage);
    00158   return -2;
    00159 }
    00160
    00162 long System::pagefileUsagePeak(MemoryUnit unit, InfoType fetch, long pid)   {
    00163   VM_COUNTERS info;
    00164   if ( fetch != NoFetch && getProcess()->query(pid, fetch, &info) )
    00165     return adjustMemory(unit, info.PeakPagefileUsage);
    00166   return -2;
    00167 }
    00168
    00170 long System::pagefileUsageLimit(MemoryUnit unit, InfoType fetch, long pid)   {
    00171   POOLED_USAGE_AND_LIMITS quota;
    00172   if ( fetch != NoFetch && getProcess()->query(pid, fetch, &quota) )    {
    00173     if ( long(quota.PagefileLimit) < 0 )
    00174       return -1;//LONG_MAX;
    00175     return adjustMemory(unit, quota.PagefileLimit);
    00176   }
    00177   return -2;
    00178 }
    00179
    00181 long System::mappedMemory(MemoryUnit unit, InfoType fetch, long pid)   {
    00182   VM_COUNTERS info;
    00183   if ( fetch != NoFetch && getProcess()->query(pid, fetch, &info) )
    00184     return adjustMemory(unit, info.WorkingSetSize);
    00185   return -2;
    00186 }
    00187
    00189 long System::mappedMemoryPeak(MemoryUnit unit, InfoType fetch, long pid)   {
    00190   VM_COUNTERS info;
    00191   if ( fetch != NoFetch && getProcess()->query(pid, fetch, &info) )
    00192     return adjustMemory(unit, info.PeakWorkingSetSize);
    00193   return -2;
    00194 }
    00195
    00197 long System::minMemoryLimit(MemoryUnit unit, InfoType fetch, long pid)   {
    00198   QUOTA_LIMITS quota;
    00199   if ( fetch != NoFetch && getProcess()->query(pid, fetch, &quota) )
    00200     return adjustMemory(unit, quota.MinimumWorkingSetSize);
    00201   return 0;
    00202 }
    00203
    00205 long System::maxMemoryLimit(MemoryUnit unit, InfoType fetch, long pid)   {
    00206   QUOTA_LIMITS quota;
    00207   if ( fetch != NoFetch && getProcess()->query(pid, fetch, &quota) )
    00208     return adjustMemory(unit, quota.MaximumWorkingSetSize);
    00209   return 0;
    00210 }
    00211
    00213 long System::virtualMemory(MemoryUnit unit, InfoType fetch, long pid)   {
    00214   VM_COUNTERS info;
    00215   if ( fetch != NoFetch && getProcess()->query(pid, fetch, &info) )
    00216     return adjustMemory(unit, info.VirtualSize);
    00217   return -2;
    00218 }
    00219
    00221 long System::virtualMemoryPeak(MemoryUnit unit, InfoType fetch, long pid)   {
    00222   VM_COUNTERS info;
    00223   if ( fetch != NoFetch && getProcess()->query(pid, fetch, &info) )
    00224     return adjustMemory(unit, info.PeakVirtualSize);
    00225   return -2;
    00226 }
    00227
    00229 long System::virtualMemoryLimit(MemoryUnit unit, InfoType fetch, long pid)   {
    00230   QUOTA_LIMITS quota;
    00231   if ( fetch != NoFetch && getProcess()->query(pid, fetch, &quota) )    {
    00232     if ( long(quota.PagefileLimit) == -1 )
    00233       return -1;//LONG_MAX;
    00234     return adjustMemory(unit, quota.PagefileLimit);
    00235   }
    00236   return 0;
    00237 }
    00238