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Supporting x86 allows us to quickly show the hello driver in
action directly from the x86 trainer image. It also shows how
platform devices can be added on architectures that do not
support device trees.
Signed-off-by: John Ogness <john.ogness@linutronix.de>
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In the comments, the bitbake commands for menuconfig and diffconfig
were incorrect.
Signed-off-by: John Ogness <john.ogness@linutronix.de>
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It is nice to have a finished layer for trainers to use as a
reference when helping participants to create their own layer.
However, there are files that are modified multiple times during
the creation process.
For this reason a git bundle is added so that trainers have a
step-by-step procedure for guiding participants during layer
creation. Each commit is a step, documented for the trainer.
Signed-off-by: John Ogness <john.ogness@linutronix.de>
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Describes the main targets, files, and procedure dealing with building
kernels.
Signed-off-by: John Ogness <john.ogness@linutronix.de>
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Signed-off-by: John Ogness <john.ogness@linutronix.de>
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Signed-off-by: John Ogness <john.ogness@linutronix.de>
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It's much simpler to have syscall names instead of numbers in traces.
Signed-off-by: Kurt Kanzenbach <kurt@linutronix.de>
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The "ln" tool is needed for the basic schulung. Add it to the
command reference handout.
Since adding something to the left column creates empty space in
the right column, use that to add a reference to ctrl+r (searching
the shell history). This is a feature that is always asked about
during the schulung.
Signed-off-by: John Ogness <john.ogness@linutronix.de>
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An older version of this file was in the devel/jogness branch. We
do not want trainers digging around in the devel/jogness branch.
And since this file is still considered useful, put the latest
version in the master branch.
NOTE: This needs to be converted to LaTeX at some point!
Signed-off-by: John Ogness <john.ogness@linutronix.de>
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It is much easier to use tcf-agent with eclipse and cross-remote
debugging. Since local plugin-mirrors and yocto instructions are
now available, update the documents to reflect this.
Using the old method (with ssh) probably still works, but is
definitely more work to get setup on the target.
Signed-off-by: John Ogness <john.ogness@linutronix.de>
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Rather than manually determining and setting the uprobes, use perf
to do it. This allows for the README to become a generic script
that can run out-of-the-box to create the trace.
Signed-off-by: John Ogness <john.ogness@linutronix.de>
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Signed-off-by: John Ogness <john.ogness@linutronix.de>
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These scripts are provided to participants after the training to
allow them to quickly/easily reproduce the many steps of creating
a simple root filesystem from scratch.
These scripts also serve as an excellent reference for trainers
to follow during the live excercises.
Signed-off-by: John Ogness <john.ogness@linutronix.de>
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These are notes that may be helpful for trainers when preparing
for a schulung.
Signed-off-by: John Ogness <john.ogness@linutronix.de>
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In case it is run on a system where PIE is not the default,
explicitly set for the binary to be built as PIE.
Signed-off-by: John Ogness <john.ogness@linutronix.de>
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The rtex tool only demonstrates prefaultingn to avoid runtime
page faults. It makes more sense to call it pgflt.
Signed-off-by: John Ogness <john.ogness@linutronix.de>
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Different tools have been used by various trainers as demos. Put
all these into master so they are available to all trainers.
ipc_pipe: ipc demo using pipes
ipc_shm: ipc demo using shared memory
libduma: source and instructions for compiling libduma
matrix: demo of good and bad cache access
mtrace: patch and infos for using mtrace with ASLR
rtex: demo of handling page faults
Signed-off-by: John Ogness <john.ogness@linutronix.de>
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Simple drivers for use in the Linux Advanced schulung were only
available in the devel/jogness branch. Push them to master so
they are easily accessible to any trainer.
Signed-off-by: John Ogness <john.ogness@linutronix.de>
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