memusage.h File Reference

Go to the source code of this file.

Classes
class	memusageinit

Functions
unsigned long	memusage (const char **source=0)
double	memusage_kB ()
double	memusage_MB ()

Variables
static memusageinit	memusageinitobject

Function Documentation

unsigned long memusage

(

const char **

source = 0

)

Copyright (c) 1995, 1996, 1997, 1998, 1999, 2000 by The Board of Trustees of the University of Illinois. All rights reserved.

Definition at line 158 of file memusage.C.

References memusage_mallinfo(), memusage_mstats(), memusage_proc_self_stat(), and memusage_ps().

Referenced by main::main(), memusage_kB(), and memusage_MB().

                                            {

  unsigned long memtotal = 0;
  const char* s = "ERROR";

  if ( ! CmiMemoryIs(CMI_MEMORY_IS_OS) ) {
    memtotal = CmiMemoryUsage();  s = "CmiMemoryUsage";
  }

#if CMK_BLUEGENEQ
  if( ! memtotal) { memtotal = memusage_bgq(); s="Kernel_GetMemorySize on BG/Q"; }
#endif

#if CMK_BLUEGENEP
  if( ! memtotal) { memtotal = memusage_bgp(); s="mallinfo on BG/P"; }
#endif

#if defined(WIN32) && !defined(__CYGWIN__)
  if ( ! memtotal ) {
    memtotal = CmiMemoryUsage();  s = "GetProcessMemoryInfo";
  }
#endif

  if ( ! memtotal ) {
    memtotal = memusage_proc_self_stat();  s = "/proc/self/stat";
  }

  if ( ! memtotal ) { memtotal = memusage_mstats(); s = "mstats"; }

  if ( ! memtotal ) { memtotal = memusage_mallinfo(); s = "mallinfo"; }

  if ( ! memtotal ) { memtotal = memusageinit::memusage_sbrk(); s = "sbrk"; }

  if ( ! memtotal ) { memtotal = memusage_ps(); s = "ps"; }

  if ( ! memtotal ) { memtotal = CmiMemoryUsage();  s = "CmiMemoryUsage"; }

  if ( ! memtotal ) s = "nothing";

  if ( source ) *source = s;

  return memtotal;

}

double memusage_kB ( )

inline

Definition at line 12 of file memusage.h.

References memusage().

{ return memusage() / 1024.; }

double memusage_MB ( )

inline

Definition at line 13 of file memusage.h.

References memusage().

Referenced by CollectionMaster::disposeForces(), CollectionMaster::disposePositions(), CollectionMaster::disposeVelocities(), BackEnd::exit(), main::main(), Controller::printEnergies(), Rebalancer::printLoads(), Controller::printTiming(), Node::run(), CollectionMaster::startNextRoundOutputForce(), CollectionMaster::startNextRoundOutputPos(), CollectionMaster::startNextRoundOutputVel(), and Node::startup().

{ return memusage() / 1048576.; }

Variable Documentation

memusageinit memusageinitobject

static

Definition at line 25 of file memusage.h.