Current and Peak Memory consumption of my program?


 
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Old 06-06-2009
Current and Peak Memory consumption of my program?

Hi,

my C++ program does some memory consuming tasks and runs several minutes.
During execution time, I want to print information on the current memory consumption and peak memory consumption of my program into a logfile.
How can I retrieve this information, i.e. which functions are available to get memory and peak memory of my program?
I don't want to call any commands like "ps" etc. via system(), but would like to use functions supported by AIX and implement them in my C++ coding.

Thanks!

Last edited by jim mcnamara; 06-06-2009 at 06:25 AM.. Reason: duplicate post
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TRICKLE(1)						    BSD General Commands Manual 						TRICKLE(1)

NAME
trickle -- a lightweight userspace bandwidth shaper SYNOPSIS
trickle [-h] [-v] [-V] [-s] [-d rate] [-u rate] [-w length] [-t time] [-l length] [-n path] [-P path] command ... DESCRIPTION
trickle is a userspace bandwidth manager. Currently, trickle supports the shaping of any SOCK_STREAM (see socket(2)) connection established via the socket(2) interface. Furthermore, trickle will not work with statically linked executables, nor with setuid(2) executables. trickle is highly configurable; download and upload rates can be set separately, or in an aggregate fashion. The options are as follows: -h Displays help. -v Increases the verbosity level (can be specified multiple times). -V Prints version. -s Runs trickle in standalone mode, independent of trickled(8). -d rate Limit the download bandwidth consumption to rate KB/s. -u rate Limit the upload bandwidth consumption to rate KB/s. -w length Set peak detection window size to length KB. This determines how aggressive trickle is at eliminating bandwidth consumption peaks. Lower values will be more aggressive, but may also result in over shaping. The default value (512 KB) is usually suffi- cient. -t seconds Set smoothing time to seconds s. The smoothing time determines with what intervals trickle will try to let the application transceive data. Smaller values will result in a more continuous (smooth) session, while larger values may produce bursts in the sending and receiving data. Smaller values (0.1 - 1 s) are ideal for interactive applications while slightly larger values (1 - 10 s) are better for applications that need bulk transfer. -l length Set smoothing length to length KB. The smoothing length is a fallback of the smoothing time. If trickle cannot meet the requested smoothing time, it will instead fall back on sending length KB of data. The default value is 10 KB. -n path Use trickled(8) socket path to communicate with trickled(8). By default, /tmp/.trickled.sock is used. -P path Use the specified .so instead of the standard one, this is usefull if you don't run trickle from a standard installation. EXAMPLES
trickle -u 10 -d 20 ncftp Launch ncftp(1) limiting its upload capacity to 10 KB/s, and download capacity at 20 KB/s. SEE ALSO
trickled(8), syslog(3), socket(2), netintro(4) AUTHORS
trickle has been developed by Marius Aamodt Eriksen <marius@monkey.org>. BUGS
Does not support executables utilizing kqueue(2). Does not support statically linked executables. BSD
November 10, 2002 BSD