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/openbmc/linux/scripts/
H A Dbootgraph.pldiff aa5d9151f745b6ee6a236a1f109118034277eb92 Sat Sep 13 11:36:06 CDT 2008 Arjan van de Ven <arjan@linux.intel.com> tracing/fastboot: add a script to visualize the kernel boot process / time

When optimizing the kernel boot time, it's very valuable to visualize
what is going on at which time. In addition, with the fastboot asynchronous
initcall level, it's very valuable to see which initcall gets run where
and when.

This patch adds a script to turn a dmesg into a SVG graph (that can be
shown with tools such as InkScape, Gimp or Firefox) and a small change
to the initcall code to print the PID of the thread calling the initcall
(so that the script can work out the parallelism).

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
/openbmc/linux/init/
H A Dmain.cdiff aa5d9151f745b6ee6a236a1f109118034277eb92 Sat Sep 13 11:36:06 CDT 2008 Arjan van de Ven <arjan@linux.intel.com> tracing/fastboot: add a script to visualize the kernel boot process / time

When optimizing the kernel boot time, it's very valuable to visualize
what is going on at which time. In addition, with the fastboot asynchronous
initcall level, it's very valuable to see which initcall gets run where
and when.

This patch adds a script to turn a dmesg into a SVG graph (that can be
shown with tools such as InkScape, Gimp or Firefox) and a small change
to the initcall code to print the PID of the thread calling the initcall
(so that the script can work out the parallelism).

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>