[bootlin/training-materials updates] master: boot-time labs: bootloader: add spreadsheets (6d26cd65)

[Michael Opdenacker]

Repository : https://github.com/bootlin/training-materials
On branch  : master
Link       : https://github.com/bootlin/training-materials/commit/6d26cd651d019c3bdd412ed7164599c99524c60f

>---------------------------------------------------------------

commit 6d26cd651d019c3bdd412ed7164599c99524c60f
Author: Michael Opdenacker <michael.opdenacker at bootlin.com>
Date:   Wed Jun 14 11:06:17 2023 +0200

    boot-time labs: bootloader: add spreadsheets
    
    Signed-off-by: Michael Opdenacker <michael.opdenacker at bootlin.com>


>---------------------------------------------------------------

6d26cd651d019c3bdd412ed7164599c99524c60f
 lab-data/boot-time/results/faster-storage.ods      |  1 +
 lab-data/boot-time/results/final-results.ods       |  1 +
 labs/boot-time-bootloader/boot-time-bootloader.tex | 45 ++++------------------
 labs/boot-time-bootloader/faster-storage.png       |  1 +
 labs/boot-time-bootloader/final-results.png        |  1 +
 5 files changed, 12 insertions(+), 37 deletions(-)

diff --git a/lab-data/boot-time/results/faster-storage.ods b/lab-data/boot-time/results/faster-storage.ods
new file mode 120000
index 00000000..643b65f4
--- /dev/null
+++ b/lab-data/boot-time/results/faster-storage.ods
@@ -0,0 +1 @@
+kernel-optimizations.ods
\ No newline at end of file
diff --git a/lab-data/boot-time/results/final-results.ods b/lab-data/boot-time/results/final-results.ods
new file mode 120000
index 00000000..643b65f4
--- /dev/null
+++ b/lab-data/boot-time/results/final-results.ods
@@ -0,0 +1 @@
+kernel-optimizations.ods
\ No newline at end of file
diff --git a/labs/boot-time-bootloader/boot-time-bootloader.tex b/labs/boot-time-bootloader/boot-time-bootloader.tex
index cc3f0d1a..802c6a9f 100644
--- a/labs/boot-time-bootloader/boot-time-bootloader.tex
+++ b/labs/boot-time-bootloader/boot-time-bootloader.tex
@@ -30,26 +30,10 @@ So, edit the partition table of your new SD card, and create the
 first partition in the same way as when you prepared your original SD
 card. Then, copy the files over.
 
-You can now go ahead and make tests again, and fill the table with your
-latest results:
-
-\begin{tabular}{| l | l | r |}
-  \hline
-  Step & Duration & Description \\
-  \hline
-  \hline
-  U-Boot SPL & & Between \code{U-Boot SPL 2022.04} and \code{U-Boot 2022.04} \\
-  \hline
-  U-Boot & & Between \code{U-Boot 2022.04} and \code{Starting kernel} \\
-  \hline
-  Kernel + Init scripts & & Between \code{Starting kernel} and \code{Starting ffmpeg} \\
-  \hline
-  Application & & Between \code{Starting ffmpeg} and \code{First frame decoded} \\
-  \hline
-  \hline
-  Total & & \\
-  \hline
-\end{tabular}
+You can now go ahead and make tests again, and fill the
+\code{~/boot-time-labs/results/faster-storage.ods} spreadsheet:
+    
+\includegraphics[width=\textwidth]{labs/boot-time-bootloader/faster-storage.png}
 
 \section{Using U-Boot's {\em Falcon} mode}
 
@@ -172,23 +156,10 @@ If this doesn't work yet, please ask your instructor for advice and help.
 You can also try to send \code{c} characters at reset time to make
 the SPL fall back to loading U-Boot.
 
-When it works, update your table again:
-
-\begin{tabular}{| l | l | r |}
-  \hline
-  Step & Duration & Description \\
-  \hline
-  \hline
-  U-Boot SPL & & Between \code{U-Boot SPL 2022.04} and \code{Starting kernel} \\
-  \hline
-  Kernel + Init scripts & & Between \code{Starting kernel} and \code{Starting ffmpeg} \\
-  \hline
-  Application & & Between \code{Starting ffmpeg} and \code{First frame decoded} \\
-  \hline
-  \hline
-  Total & & \\
-  \hline
-\end{tabular}
+When it works, fill the \code{~/boot-time-labs/results/final-results.ods}
+spreadsheet:
+
+\includegraphics[width=\textwidth]{labs/boot-time-bootloader/final-results.png}
 
 \section{Going further}
 
diff --git a/labs/boot-time-bootloader/faster-storage.png b/labs/boot-time-bootloader/faster-storage.png
new file mode 120000
index 00000000..d071e20b
--- /dev/null
+++ b/labs/boot-time-bootloader/faster-storage.png
@@ -0,0 +1 @@
+../boot-time-kernel/kernel-optimizations.png
\ No newline at end of file
diff --git a/labs/boot-time-bootloader/final-results.png b/labs/boot-time-bootloader/final-results.png
new file mode 120000
index 00000000..d071e20b
--- /dev/null
+++ b/labs/boot-time-bootloader/final-results.png
@@ -0,0 +1 @@
+../boot-time-kernel/kernel-optimizations.png
\ No newline at end of file