Predicting Application Resource Requirements in Virtual Environments

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10-07-2008

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Predicting Application Resource Requirements in Virtual Environments

HPL-2008-122 Predicting Application Resource Requirements in Virtual Environments - Wood, Timothy; Cherkasova, Ludmila; Ozonat, Kivanc; Shenoy, Prashant
Keyword(s): virtualization, application resource usage, benchmarking, modeling, automation, performance models, regression-based approach
Abstract: Next Generation Data Centers (NGDC) are transforming labor-intensive, hard-coded, siloed systems into shared, virtualized, automated, and fully managed adaptive infrastructures. Virtualization technologies promise great opportunities for reducing energy and hardware costs through server consolidatio ...
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cgi::application::plugin::devpopup::timing

CGI::Application::Plugin::DevPopup::Timing(3pm) 	User Contributed Perl Documentation	   CGI::Application::Plugin::DevPopup::Timing(3pm)

NAME

       CGI::Application::Plugin::DevPopup::Timing - show timing information about cgiapp stages

VERSION

       version 1.07

SYNOPSIS

	   use CGI::Application::Plugin::DevPopup;
	   use CGI::Application::Plugin::DevPopup::Timing;

	   The rest of your application follows
	   ...

       Output will look roughly like this:

	   Timings
	   Total runtime: 3.1178 sec.
	   Application started at: Thu Sep 22 02:55:35 2005

	   From 		       To			       Time taken
	   -------------------------------------------------------------------------
	   init 		       prerun			       0.107513 sec.
	   prerun		       before expensive operation      0.000371 sec.
	   before expensive operation  after expensive operation       3.006688 sec.
	   after expensive operation   load_tmpl(dp.html)	       0.000379 sec.
	   load_tmpl(dp.html)	       postrun			       0.002849 sec.

ADD_TIMING
       You can add your own timing points within your application by calling the hook at "devpopup_addtiming" with a short label. The table above
       was created with the following code:

	   $self->call_hook('devpopup_addtiming', 'before expensive operation');
	   sleep 3;
	   $self->call_hook('devpopup_addtiming', 'after expensive operation');

SEE ALSO

       CGI::Application::Plugin::DevPopup, CGI::Application

AUTHOR

       Rhesa Rozendaal, rhesa@cpan.org

BUGS

       Please report any bugs or feature requests to bug-cgi-application-plugin-devpopup@rt.cpan.org, or through the web interface at
       http://rt.cpan.org/NoAuth/ReportBug.html?Queue=CGI-Application-Plugin-DevPopup <http://rt.cpan.org/NoAuth/ReportBug.html?Queue=CGI-
       Application-Plugin-DevPopup>.  I will be notified, and then you'll automatically be notified of progress on your bug as I make changes.

COPYRIGHT &; LICENSE
       Copyright 2005 Rhesa Rozendaal, all rights reserved.

       This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

perl v5.12.4							    2011-10-31			   CGI::Application::Plugin::DevPopup::Timing(3pm)

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