08-20-2018
Performance Monitoring - RHEL 7.4
Have a question about doing some performance monitoring - how to approach it.
This is on RHEL 7.4
We are moving a rather large application to new hardware in the future. I would like to find a way to compared performance on the new hardware at different stages and at different times.
I'm familiar with the basic tools, such as top - and I've found an app called 'stress' that can be used to put various loads on the system.
But I am wanting to make a comparison on how the performance varies or does not vary after things like: Firmware upgrades, App installs, etc.
Any suggestions on a method/process or tool maybe that can assist with this? I can cap out the loads with 'stress' but I'm not sure what that will tell me. My first thought was to run the app with a certain set of parameters and then compare future runs using the same set of parameters. I would need or like it to be able to log results at set intervals via cron or something similar.
But looking for suggestions
Thanks!
Last edited by Overcast451; 08-20-2018 at 10:42 AM..
Reason: Updating Subject with more detail
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LEARN ABOUT DEBIAN
sdlx::app
pods::SDLx::App(3pm) User Contributed Perl Documentation pods::SDLx::App(3pm)
NAME
SDLx::App - a SDL perl extension
CATEGORY
Extension
SYNOPSIS
use SDL;
use SDLx::App;
use SDL::Event;
use SDL::Events;
my $app = SDLx::App->new(
title => 'Application Title',
width => 640,
height => 480,
depth => 32
);
This is the manual way of doing things
my $event = SDL::Event->new; # create a new event
SDL::Events::pump_events();
while ( SDL::Events::poll_event($event) ) {
my $type = $event->type(); # get event type
print $type;
exit if $type == SDL_QUIT;
}
An alternative to the manual Event processing is through the SDLx::Controller module. SDLx::App is a Controller so see the CALLBACKS
section below.
DESCRIPTION
SDLx::App controls the root window of the of your SDL based application. It extends the SDL::Surface class, and provides an interface to
the window manager oriented functions.
METHODS
new
"SDLx::App::new" initializes the SDL, creates a new screen, and initializes some of the window manager properties. "SDLx::App::new" takes
a series of named parameters:
o title the window title. Defaults to the file name. Shorter alias: 't'
o icon_title the icon title. Defaults to file name. Shortcut: 'it'
o icon the icon itself. Defaults to none. Shortcut: 'i'
o width Window width, in pixels. Defaults to 800. Shortcut: 'w'
o height Window height, in pixels. Defaults to 600. Shortcut: 'h'
o depth Screen depth. Defaults to 16. Shortcut: 'd'.
o flags Any flags you want to pass to SDL::Video upon initialization. Defaults to SDL_ANYFORMAT. Flags should be or'ed together if you're
passing more than one (flags => FOO|BAR). Shortcut: 'f'.
o resizable Set this to a true value to make the window resizable by the user. Default is off.
o exit_on_quit Set this to a true value to make the app exit if a SDL_QUIT event is triggered. Shortcut: 'eoq'.
METHODS
title()
title( $new_title )
title( $window_title, $icon_title )
"SDLx::App::title" takes 0, 1, or 2 arguments. If no parameter is given, it returns the current application window title. If one parameter
is passed, both the window title and icon title will be set to its value. If two parameters are passed the window title will be set to the
first, and the icon title to the second.
delay( $ms )
"SDLx::App::delay" takes 1 argument, and will sleep the application for that many ms.
ticks
"SDLx::App::ticks" returns the number of ms since the application began.
error
"SDLx::App::error" returns the last error message set by the SDL.
resize( $width, $height )
"SDLx::App::resize" takes a new width and height of the application. Only works if the application was originally created with the
resizable option.
fullscreen
"SDLx::App::fullscreen" toggles the application in and out of fullscreen mode.
iconify
"SDLx::App::iconify" iconifies the application window.
grab_input( $CONSTANT )
"SDLx::App::grab_input" can be used to change the input focus behavior of the application. It takes one argument, which should be one of
the following:
o SDL_GRAB_QUERY
o SDL_GRAB_ON
o SDL_GRAB_OFF
sync
"SDLx::App::sync" encapsulates the various methods of synchronizing the screen with the current video buffer. "SDLx::App::sync" will do a
fullscreen update, using the double buffer or OpenGL buffer if applicable. This is preferred to calling flip on the application window.
attribute( $attr )
attribute( $attr, $value )
"SDLx::App::attribute" allows one to get and set GL attributes. By passing a value in addition to the attribute selector, the value will be
set. "SDL:::App::attribute" always returns the current value of the given attribute, or Carp::confesss on failure.
CALLBACKS
"SDLx::App" is a "SDLx::Controller". Use the event, show and handlers to run the app.
use SDL;
use SDLx::App;
use SDL::Event; #Where ever the event call back is processed
my $app = SDLx::App->new( width => 200, height => 200);
$app->add_event_handler( sub{ return 0 if $_[0]->type == SDL_QUIT; return 1});
$app->add_show_handler( sub{ $app->update() } );
$app->add_move_handler(
sub{
#calc your physics here
} );
$app->run();
see SDLx::Controller for more details.
AUTHORS
See "AUTHORS" in SDL.
SEE ALSO
perl SDL::Surface SDL::Event SDL::OpenGL
perl v5.14.2 2012-05-28 pods::SDLx::App(3pm)