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Top Forums Programming how to monitor the child process on which cpu core Post 302330053 by otheus on Tuesday 30th of June 2009 06:06:52 AM
Old 06-30-2009
Did you mention what OS? If Linux, you can look at /proc/self/stat and depending on the version of your kernel, one of the fields will represent the processor most recently executed on. You can look at the manpage for "proc" to find out which field. You can get the parent id of the process using getppid() and look in /proc/$PPID/stat for the same info.
 

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Sys::Statistics::Linux::LoadAVG(3pm)			User Contributed Perl Documentation		      Sys::Statistics::Linux::LoadAVG(3pm)

NAME
Sys::Statistics::Linux::LoadAVG - Collect linux load average statistics. SYNOPSIS
use Sys::Statistics::Linux::LoadAVG; my $lxs = Sys::Statistics::Linux::LoadAVG->new; my $stat = $lxs->get; DESCRIPTION
Sys::Statistics::Linux::LoadAVG gathers the load average from the virtual /proc filesystem (procfs). For more information read the documentation of the front-end module Sys::Statistics::Linux. LOAD AVERAGE STATISTICS
Generated by /proc/loadavg. avg_1 - The average processor workload of the last minute. avg_5 - The average processor workload of the last five minutes. avg_15 - The average processor workload of the last fifteen minutes. METHODS
new() Call "new()" to create a new object. my $lxs = Sys::Statistics::Linux::LoadAVG->new; It's possible to set the path to the proc filesystem. Sys::Statistics::Linux::LoadAVG->new( files => { # This is the default path => '/proc', loadavg => 'loadavg', } ); get() Call "get()" to get the statistics. "get()" returns the statistics as a hash reference. my $stat = $lxs->get; EXPORTS
No exports. SEE ALSO
proc(5) REPORTING BUGS
Please report all bugs to <jschulz.cpan(at)bloonix.de>. AUTHOR
Jonny Schulz <jschulz.cpan(at)bloonix.de>. COPYRIGHT
Copyright (c) 2006, 2007 by Jonny Schulz. All rights reserved. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. perl v5.14.2 2012-03-09 Sys::Statistics::Linux::LoadAVG(3pm)
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