memusageinit Class Reference

#include <memusage.h>

Public Member Functions
	memusageinit ()

Friends
unsigned long	memusage (const char **source)

Detailed Description

Definition at line 15 of file memusage.h.

Constructor & Destructor Documentation

memusageinit()

memusageinit::memusageinit

(

)

Definition at line 22 of file memusage.C.

                           {
  if ( initialized == 0 ) {
    sbrkval = (unsigned long) sbrk(0);
    initialized = 1;
  }
}

Friends And Related Function Documentation

memusage

unsigned long memusage ( const char **  source )

friend

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.

                                            {

  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;

#if NODEGROUP_FORCE_REGISTER
  // For some reason, memusage is broken on devel, so disabling it for now
  memtotal = 0;
#endif

  return memtotal;

}

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The documentation for this class was generated from the following files:

• memusage.h
• memusage.C