kernel-devel/kernel-basics: added statistics

Signed-off-by: Manuel Traut <manut@mecka.net>

4 files changed, 155 insertions, 23 deletions

diff --git a/images/linux-found-changes-hour.png b/images/linux-found-changes-hour.png
new file mode 100644
index 0000000..675156b
--- /dev/null
+++ b/images/linux-found-changes-hour.png
diff --git a/images/linux-found-changes-version.png b/images/linux-found-changes-version.png
new file mode 100644
index 0000000..a647975
--- /dev/null
+++ b/images/linux-found-changes-version.png
diff --git a/images/linux-found-devel-cycle.png b/images/linux-found-devel-cycle.png
new file mode 100644
index 0000000..b5691c3
--- /dev/null
+++ b/images/linux-found-devel-cycle.png
diff --git a/kernel-devel/kernel-basics/pres_kernel-basics_de.tex b/kernel-devel/kernel-basics/pres_kernel-basics_de.tex
index 945fecb..8027b1f 100644
--- a/kernel-devel/kernel-basics/pres_kernel-basics_de.tex
+++ b/kernel-devel/kernel-basics/pres_kernel-basics_de.tex
@@ -88,13 +88,168 @@
 \end{itemize}
 \end{frame}
 
+\subsubsection{Entwicklungstempo}
+\begin{frame}
+\frametitle{Entwicklungstempo}
+\begin{itemize}
+\item 2 \dots 3 months release cycle
+\item \dots about 10,000 patches each cycle
+\item \dots from over 1000 developers
+\item \dots about 200 companies
+\end{itemize}
+Quelle: http://www.linuxfoundation.org/docs/lf\_linux\_kernel\_development\_2010.pdf
+\end{frame}
+
+\begin{frame}
+\includegraphics[height=7cm]{images/linux-found-devel-cycle.png}
+
+Source: Linux Foundation
+\end{frame}
+
+\begin{frame}
+\includegraphics[height=6.5cm]{images/linux-found-changes-version.png}
+\begin{tabular}{ l | l| }
+2.6.25 &  12,243 \\
+2.6.26 &  9,941 \\
+2.6.27 &  10,628 \\
+2.6.28 &  9,048 \\
+2.6.29 &  11,678 \\
+2.6.30 &  11,989 \\
+2.6.31 &  10,883 \\
+2.6.32 &  10,989 \\
+2.6.33 &  10,871 \\
+2.6.34 &  9,443 \\
+2.6.35 &  9,801 \\
+\end{tabular}
+
+Source: Linux Foundation
+\end{frame}
+
+\begin{frame}
+\includegraphics[height=6.5cm]{images/linux-found-changes-hour.png}
+\begin{tabular}{ l | l| }
+2.6.25 & 6.15 \\
+2.6.26 & 4.71 \\
+2.6.27 & 5.03 \\
+2.6.28 & 4.96 \\
+2.6.29 & 5.47 \\
+2.6.30 & 6.40 \\
+2.6.31 & 4.93 \\
+2.6.32 & 5.46 \\
+2.6.33 & 5.39 \\
+2.6.34 & 4.86 \\
+2.6.35 & 5.30 \\
+\end{tabular}
+
+Source: Linux Foundation
+\end{frame}
+
+\begin{frame}
+\frametitle{Kernel size}
+\begin{tabular}{ l | l | r }
+Version & Files   & Lines \\
+\hline
+2.6.11  & 17,090  & 6,624,076 \\
+2.6.13  & 18,090  & 6,988,800 \\
+2.6.15  & 18,811  & 7,290,070 \\
+2.6.17  & 19,553  & 7,588,014 \\
+2.6.19  & 20,936  & 7,976,221 \\
+2.6.21  & 21,614  & 8,246,517 \\
+2.6.23  & 22,530  & 8,566,606 \\
+2.6.25  & 23,813  & 9,232,592 \\
+2.6.27  & 24,356  & 9,630,074 \\
+2.6.29  & 26,702  & 10,934,554 \\
+2.6.31  & 29,143  & 11,970,124 \\
+2.6.33  & 31,584  & 12,912,684 \\
+2.6.35  & 33,335  & 13,468,253 \\
+\end{tabular}
+
+Source: Linux Foundation
+\end{frame}
+
+\begin{frame}
+\frametitle{Kernel lines per day}
+\begin{tabular}{ l | r | l | r }
+Version & Added & Deleted & Modified \\
+\hline
+2.6.11 & 3,224    & 1,360    &   1,290 \\
+2.6.13 & 4,443    & 1,553    &   1,711 \\
+2.6.15 & 5,614    & 3,454    &   2,219 \\
+2.6.17 & 3,635    & 2,469    &   1,329 \\
+2.6.19 & 6,013    & 2,900    &   1,862 \\
+2.6.21 & 3,256    & 1,479    &   982 \\
+2.6.23 & 3,747    & 3,034    &   1,343 \\
+2.6.25 & 7,980    & 3,488    &   2,430 \\
+2.6.27 & 12,270   & 9,791    &   2,102 \\
+2.6.29 & 14,678   & 5,516    &   2,454 \\
+2.6.31 & 9,408    & 4,962    &   1,635 \\
+2.6.33 & 8,925    & 4,379    &   2,841 \\
+2.6.35 & 7,896    & 5,037    &   1,802 \\
+\end{tabular}
+
+Source: Linux Foundation
+\end{frame}
+
+\begin{frame}
+\frametitle{Linux Companies}
+contribution between 2.6.11 and 2.6.35
+\begin{tabular}{ l | r | r }
+Company & Changes & Percent of Total \\
+\hline
+None                   &  35,663  &  18.9 \\
+Red Hat                &  23,356  &  12.4 \\
+Novell                 &  13,120  &  7.0 \\
+IBM                    &  13,026  &  6.9 \\
+Unknown                &  12,060  &  6.4 \\
+Intel                  &  11,028  &  5.8 \\
+consultants            &  4,817   &  2.6 \\
+Oracle                 &  4,367   &  2.3 \\
+Renesas Technology     &  2,621   &  1.4 \\
+The Linux Foundation   &  2,488   &  1.3 \\
+academics              &  2,464   &  1.3 \\
+SGI                    &  2,450   &  1.3 \\
+Fujitsu                &  2,293   &  1.2 \\
+Parallels              &  2,226   &  1.2 \\
+Analog Devices         &  1,955   &  1.0 \\
+Nokia                  &  1,896   &  1.0 \\
+\end{tabular}
+\end{frame}
+
+\begin{frame}
+\frametitle{Linux Companies (cont.)}
+contribution between 2.6.11 and 2.6.35
+\begin{tabular}{ l | r | r }
+Company & Changes & Percent of Total \\
+\hline
+HP                     &  1,854   &  1.0 \\
+MontaVista             &  1,821   &  1.0 \\
+Google                 &  1,565   &  0.8 \\
+AMD                    &  1,518   &  0.8 \\
+Freescale              &  1,501   &  0.8 \\
+linutronix             &  1,470   &  0.8 \\
+MIPS Technologies      &  1,410   &  0.7 \\
+NetApp                 &  1,322   &  0.7 \\
+Marvell                &  1,241   &  0.7 \\
+Atheros Communications &  1,234   &  0.7 \\
+Astaro                 &  1,222   &  0.6 \\
+Broadcom               &  1,130   &  0.6 \\
+QLogic                 &  1,076   &  0.6 \\
+NTT                    &  1,068   &  0.6 \\
+\end{tabular}
+
+Source: Linux Foundation
+\end{frame}
+
 \subsubsection{staging und next}
 \begin{frame}
 \frametitle{staging}
 \begin{itemize}
 \item Verzeichnis im Kernelsourcetree
+\pause
 \item erm\"oglicht Entwicklung im Mainline Tree
+\pause
 \item enth\"alt haupts\"achlich Treiber
+\pause
 \item Voraussetzung: aktive Weiterentwicklung im Code
 \end{itemize}
 \end{frame}
@@ -120,29 +275,6 @@ restricted to probably one architecture/config.
 \end{lstlisting}
 \end{frame}
 
-\subsubsection{Entwicklungstempo}
-\begin{frame}
-\frametitle{Entwicklungstempo}
-\begin{itemize}
-\item 2 \dots 3 months release cycle
-\item \dots about 10,000 patches each cycle
-\item \dots from over 1000 developers
-\item \dots about 200 companies
-\end{itemize}
-Quelle: http://www.linuxfoundation.org/docs/lf\_linux\_kernel\_development\_2010.pdf
-\end{frame}
-
-\begin{frame}
-\frametitle{Entwicklungstempo}
-\begin{itemize}
-\item 2 \dots 3 months release cycle
-\item \dots about 10,000 patches each cycle
-\item \dots from over 1000 developers
-\item \dots about 200 companies
-\end{itemize}
-Quelle: http://www.linuxfoundation.org/docs/lf\_linux\_kernel\_development\_2010.pdf
-\end{frame}
-
 \subsubsection{Konfiguration}
 \begin{frame}
 \frametitle{Kernel-Konfiguration}