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Operating Systems AIX Memory usage statistic? (topas, nmon) Post 41484 by Lazzar on Tuesday 7th of October 2003 08:32:39 AM
Old 10-07-2003
Memory usage statistic? (topas, nmon)

hi,
how can i diplay:
- the ammount RAM used /free
- ammount of ram used from a pid or prozess

we have the problem, that malloc is returing a NULL pointer errno = 12 ( not enough space).

but i think there is still ram free.

nmon : shows all memory used ?
Memory Use Physical Virtual Paging pages/sec In Out VM parameters
% Used 99.8% 0.1% to Paging Space 0.0 0.0 numperm 75.3%
% Free 0.2% 99.9% to File System 1.0 494.8 minperm 5.0%
MB Used 12265.7MB 9.8MB Page Scans 0.0 maxperm 8.0%
MB Free 22.2MB 19382.2MB Page Cycles 0.0 minfree 256
Total(MB) 12288.0MB 19392.0MB Page Reclaim 0.0 maxfree 512

Topas: show still free ram ?
MEMORY
Real,MB 12287
% Comp 25.0
% Noncomp 75.8
% Client 0.5

PAGING SPACE
Size,MB 19392
% Used 0.5
% Free 99.4

are there any other tools to check memory usage?

general Question:
does an Application reserv its own part of the RAM?
any links to sites who explain that topic would be greatly appreciated also Smilie

our System is AIX v4

Lazzar
 

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pilot-getram(1) 						    PILOT-LINK							   pilot-getram(1)

NAME
pilot-getram - Retrieves the RAM image from your Palm device for use in debugging. SECTION
pilot-link: Tools SYNOPSIS
pilot-getram [-p|--port <port>] [--version] [-q|--quiet] [-?|--help] [--usage] [-t|--token token] [-s|--sysinfo] [--ram] [--rom] [file- name] DESCRIPTION
pilot-getram is used to fetch the current RAM image from your Palm handheld for use in debugging. pilot-getromtoken, pilot-getrom and pilot-getram are inter-related. All relevant code is implemented in pilot-getrom, and you can do pilot-getromtoken --ram filename to get the RAM dump if you like. Note, because pilot-getrom uses the low-level RPC protocol to fetch the ROM image, and the new OS5 devices do not use this protocol, you currently cannot fetch an OS5 ROM image using this utility. This will be updated in a future release to handle fetching OS5 ROM images, using the debugger protocol. OPTIONS
pilot-getram options -t, --token token A ROM token to read (i.e. snum) -s, --sysinfo Print SysInfo --ram Read RAM --rom Read ROM <filename> Write the RAM image to the file named by <filename>. If this is omitted, the filename will be written out as the RAM version name as fol- lows: ' pilot-$VERSION.ram ', where an OS 3.5 image would be written as the filename of 'pilot-3.5.0.ram'. Conduit Options -p, --port <port> Use device file <port> to communicate with the Palm handheld. If this is not specified, pilot-getram will look for the $PILOTPORT environ- ment variable. If neither are found or supplied, pilot-getram will print the usage information. -q, --quiet Suppress 'Hit HotSync button' message -v, --version Display version of pilot-getram and exit without connecting. Help Options -h, --help Display the help synopsis for pilot-getram and exit without connecting. --usage Display a brief usage message and exit without connecting. USAGE
Connect to a target Palm handheld and fetch the RAM from the device. AUTHOR
pilot-getram was originally written by Kenneth Albanowski. This manual page was converted to XML by Neil Williams <linux@codehelp.co.uk> REPORTING BUGS
We have an online bug tracker. Using this is the only way to ensure that your bugs are recorded and that we can track them until they are resolved or closed. Reporting bugs via email, while easy, is not very useful in terms of accountability. Please point your browser to http://bugs.pilot-link.org: http://bugs.pilot-link.org and report your bugs and issues there. COPYRIGHT
This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MER- CHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. SEE ALSO
pilot-getrom (1), pilot-link(7). 0.12.5 Copyright 1996-2007 FSF pilot-getram(1)
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