Ubuntu - Monitor your Boot Sequence with Bootchart

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About Bootchart


Bootchart is a tool used to analyze your system performance in linux boot process. It process all the required information accumulated during the boot process (CPU usage and disk usage) which will then display as PNG, SVG, EPS encoded chart.
First of all you will have to Install Bootchart on Ubuntu.

Installation


To active or install Bootchart you will have to open command console
  • Type in this code:

sudo aptitude install bootchart
  • Reboot your PC


When you restart your computer Bootchart will create a graphical illustration in .png format.

Disabling and Enabling Bootchart


To disable Bootchart just use these code:

cd /etc/init.d 
sudo update-rc.d -f stop-bootchart remove 
 Removing any system startup links for /etc/init.d/stop-bootchart ... 
   /etc/rc2.d/S99stop-bootchart 
   /etc/rc3.d/S99stop-bootchart 
   /etc/rc4.d/S99stop-bootchart 
   /etc/rc5.d/S99stop-bootchart


And to re-enable just use these codes:

cd /etc/init.d 
sudo update-rc.d stop-bootchart start 99 2 3 4 5 . 
 Adding system startup for /etc/init.d/stop-bootchart ... 
   /etc/rc2.d/S99stop-bootchart -> ../init.d/stop-bootchart 
   /etc/rc3.d/S99stop-bootchart -> ../init.d/stop-bootchart 
   /etc/rc4.d/S99stop-bootchart -> ../init.d/stop-bootchart 
   /etc/rc5.d/S99stop-bootchart -> ../init.d/stop-bootchart
Jean-François Pillou

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