bootchart2 - 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
After install simply add these options to your kernel command line, normally in
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
If you want to start bootchart2 in a dracut (version >= 008) initramfs, you
have to change init=/sbin/bootchartd
and regenerate the initramfs with bootchart support with:
# dracut -f -a bootchart
was written by:
Anders Norgaard <email@example.com>
Michael Meeks <firstname.lastname@example.org>
Scott James Remnant <email@example.com>
Henning Niss <firstname.lastname@example.org>
Riccardo Magliocchetti <email@example.com>
This manual page was written by Francesca Ciceri <firstname.lastname@example.org>, 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.