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Top Forums Shell Programming and Scripting script to loop all process ids and take pmap Post 302360104 by radoulov on Thursday 8th of October 2009 06:47:14 AM
Old 10-08-2009
Do not use /bin/sh for that script:

ps -eo pid | 
  while read; do
    pmap > ./pmap_"$pid" -x "$pid" 2>/dev/null ||
      printf 'error printing address space map for pid %d\n' "$pid" >&2


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PMAP_EXTRACT(9) 					   BSD Kernel Developer's Manual					   PMAP_EXTRACT(9)

pmap_extract, pmap_extract_and_hold -- map a virtual address to a physical page SYNOPSIS
#include <sys/param.h> #include <vm/vm.h> #include <vm/pmap.h> vm_paddr_t pmap_extract(pmap_t pmap, vm_offset_t va); vm_paddr_t pmap_extract_and_hold(pmap_t pmap, vm_offset_t va, vm_prot_t prot); DESCRIPTION
The pmap_extract() function maps a virtual address to a physical page. In certain situations, callers may use pmap_extract_and_hold() instead, to ensure that the returned page is held. The pmap_extract_and_hold() function maps a virtual address to a physical page, and atomically holds the returned page for use by the caller, only if the mapping permits the given page protection. IMPLEMENTATION NOTES
Currently, the page protection requested by the caller is not verified. RETURN VALUES
The pmap_extract() function will return the physical page address associated with the virtual address va inside the physical map pmap. If the mapping does not exist, or if the pmap parameter is NULL, then NULL will be returned. The pmap_extract_and_hold() function will return the physical page address associated with the virtual address va inside the physical map pmap. If the mapping does not exist, the result is a no-op, and NULL will be returned. SEE ALSO
mutex(9), pmap(9) AUTHORS
The pmap_extract_and_hold() function was implemented by Alan L. Cox <alc@imimic.com>. This manual page was written by Bruce M Simpson <bms@spc.org>. BSD
July 21, 2003 BSD

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