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BOOTCHART2(1) | General Commands Manual | BOOTCHART2(1) |
NAME¶
bootchart2 - collects and analyses data from boot processDESCRIPTION¶
bootchart2 is a tool to log the boot process and make a nice graph out of it, to usually see where it takes longer.CONFIGURATION¶
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
rdinitrd=/sbin/bootchartd
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
SEE ALSO¶
pybootchartgui(1), bootchartd(1)AUTHOR¶
bootchart2 was written by:Anders Norgaard <anders.norgaard@gmail.com> Michael Meeks <michael.meeks@novell.com> Scott James Remnant <scott@ubuntu.com> Henning Niss <henningniss@gmail.com> Riccardo Magliocchetti <riccardo.magliocchetti@gmail.com>
This manual page was written by Francesca Ciceri <madamezou@yahoo.it>, 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.
2011-03-07 |