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Format of Phar Lap VM statistics buffer

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Offset Size Description

00h

DWORD

VM status
0000h = VM subsystem is present
0001h = VM not present

04h

DWORD

"nconvpg" number of conventional memory pages available

08h

DWORD

"nbimpg" number of Compaq built-in memory pages available

0Ch

DWORD

"nextpg" total number of extended memory pages

10h

DWORD

"extlim" extender memory pages limit

14h

DWORD

"aphyspg" number of physical memory pages allocated to application

18h

DWORD

"alockpg" number of locked pages owned by application

1Ch

DWORD

 

20h

DWORD

"nfreepg" number of free physical pages; approx if EMS VCPI

24h

DWORD

linear address of beginning of application address space

28h

DWORD

linear address of end of application address space

2Ch

DWORD

number of seconds since last time VM stats were reset

30h

DWORD

number of page faults since last time

34h

DWORD

number of pages written to swap file since last time

38h

DWORD

number of reclaimed pages (page faults on swapped pages)

3Ch

DWORD

number of virtual pages allocated to the application

40h

DWORD

size in pages of swap file

44h

DWORD

number of system pages allocated with EMS calls

48h

DWORD

minimum number of conventional memory pages

4Ch

DWORD

maximum size in pages to which swap file can be increased

50h

DWORD

"vmflags" bit 0 = 1 if page fault in progress

---v4.0+ ---

54h

DWORD

number of physical pages guaranteed to be free

58h

DWORD

number of free physical pages currently available

5Ch

DWORD

size in pages of largest free block of memory (including disk swap space)

60h

DWORD

reserved