Collects and analyses data from boot process
bootchart2 is a tool to log the boot process and make a nice graph out of it, to usually see where it takes longer.
It consists of three different pieces of software: a shell script, a collector and a visualisation tool.
Please also see the manual pages referred to in the SEE ALSO section.
After install simply add these options to your kernel command line, normally in /boot/grub/menu.lst:
initcall_debug printk.time=y quiet init=/sbin/bootchartd ...
Then after bootup run pybootchartgui to get an interactive chart rendering tool. If you want to chart the initrd, add
to the kernel command line.
To make bootchart2 work best, please ensure your kernel is configured with CONFIG_PROC_EVENTS=y and CONFIG_TASKSTATS=y
If you want to start bootchart2 in a dracut (version >= 008) initramfs, you have to change init=/sbin/bootchartd to rdinit=/sbin/bootchartd and regenerate the initramfs with bootchart support with:
# dracut -f -a bootchart
bootchart2 was written by:
Anders Norgaard <[email protected]> Michael Meeks <[email protected]> Scott James Remnant <[email protected]> Henning Niss <[email protected]> Riccardo Magliocchetti <[email protected]>
This manual page was written by Francesca Ciceri <[email protected]>, for the Debian project (and may be used by others), and is licensed under the GNU General Public License, version 2 or, at your choice, any later version.