diff options
Diffstat (limited to 'realtime')
| -rw-r--r-- | realtime/rt-basics/Makefile | 1 | ||||
| -rw-r--r-- | realtime/rt-basics/pres_rt-basics_de.tex | 205 | ||||
| -rw-r--r-- | realtime/rt-specialties/Makefile | 1 |
3 files changed, 0 insertions, 207 deletions
diff --git a/realtime/rt-basics/Makefile b/realtime/rt-basics/Makefile index c92d852..cc1fbdf 100644 --- a/realtime/rt-basics/Makefile +++ b/realtime/rt-basics/Makefile @@ -1,3 +1,2 @@ -obj-$(CONFIG_REALTIME_BASICS) += pres_rt-basics_de.pdf obj-$(CONFIG_REALTIME_BASICS) += pres_rt-basics_en.pdf obj-handout-$(CONFIG_REALTIME_BASICS) += handout_rt-basics_de.pdf diff --git a/realtime/rt-basics/pres_rt-basics_de.tex b/realtime/rt-basics/pres_rt-basics_de.tex deleted file mode 100644 index 66a78eb..0000000 --- a/realtime/rt-basics/pres_rt-basics_de.tex +++ /dev/null @@ -1,205 +0,0 @@ -\input{configpres} - -\title{Block \lq Realtime Linux\rq} -\maketitle - -\subtitle{Echtzeit} - -\begin{frame} -\frametitle{Was ist Echtzeit?} -\begin{itemize} -\item Korrektheit bedeutet auch Ausführung zum korrekten Zeitpunkt -\item Nicht Einhalten des korrekten Zeitrahmens führt zu einem Fehler -\end{itemize} -\end{frame} - -\begin{frame} -\frametitle{Echtzeit ''anschaulich''} -\begin{overprint} -\onslide<1> -\begin{alertblock}{Wir erinnern uns} -Nicht Einhalten des korrekten Zeitrahmens führt zu einem Fehler! -\end{alertblock} -\onslide<2> -\begin{figure}[h] -\centering -\includegraphics[height=0.5\textwidth]{images/nuclear.png} -\end{figure} -\end{overprint} -\end{frame} - -\begin{frame} -\frametitle{Anwendungsbereiche} -\begin{itemize} -\item Steuerungs- / Automatisierungstechnik -\item Multimediasysteme -\item Luft- und Raumfahrttechnik -\item Finanzdienstleistung -\item ... -\end{itemize} -\end{frame} - -\begin{frame} -\frametitle{Anforderungen} -\begin{itemize} -\item Deterministisches Zeitverhalten -\item Unterbrechbarkeit -\item Priority Inheritance / Priority Ceiling -\end{itemize} -\end{frame} - -\subsubsection{Priority Inversion} -\begin{frame} -\frametitle{Priority Inversion} -\begin{figure}[h] -\centering -\includegraphics[width=0.8\textwidth]{images/prio_inv.png} -\end{figure} -\end{frame} - -\subsubsection{Linux und Echtzeit} -\begin{frame} -\frametitle{Linux und Echtzeit} -\begin{figure}[h] -\centering -\includegraphics[height=0.5\textwidth]{images/gpos_vs_rt.png} -\end{figure} -\end{frame} - -\begin{frame} -\frametitle{Ansätze} -\begin{itemize} -\item Dual-Kernel -\item In-Kernel / Single Kernel -\end{itemize} -\end{frame} - -\begin{frame} -\frametitle{Dual-Kernel} -\begin{figure}[h] -\centering -\includegraphics[height=0.5\textwidth]{images/dual_kernel.png} -\end{figure} -\end{frame} - -\begin{frame} -\frametitle{Single-Kernel} -\begin{figure}[h] -\centering -\includegraphics[height=0.5\textwidth]{images/single_kernel.png} -\end{figure} -\end{frame} - -\begin{frame} -\frametitle{RTAI} -\begin{itemize} -\item Prof. Paolo Mantegazza, Universität Mailand -\item Dual-Kernel Ansatz -\item Echtzeit im Kernelspace -\item Userspace Echtzeittasks nur eingeschränkt möglich -\item Oberstes Designziel: Möglichst niedrige Latenzzeiten -\item Unterstützte Plattformen: x86, x86\_64, einige ARM Plattformen -\end{itemize} -\end{frame} - -\begin{frame} -\frametitle{RTAI} -\begin{figure}[h] -\centering -\includegraphics[height=0.5\textwidth]{images/rtai.png} -\end{figure} -\end{frame} - -\begin{frame} -\frametitle{Xenomai} -\begin{itemize} -\item Gegründet 2001 -\item Echtzeit im Userpace -\item Skins bilden API verschiedenster RTOSse nach -\item Dual-Kernel Ansatz -\item Unterstützte Plattformen: x86, x86\_64, PowerPC, ARM, ia64 -\end{itemize} -\end{frame} - -\begin{frame} -\frametitle{Xenomai} -\begin{figure}[h] -\centering -\includegraphics[height=0.5\textwidth]{images/xenomai.png} -\end{figure} -\end{frame} - -\begin{frame} -\frametitle{Xenomai / IPIPE} -\begin{figure}[h] -\centering -\includegraphics[height=0.5\textwidth]{images/ipipe.png} -\end{figure} -\end{frame} - -\begin{frame} -\frametitle{Drum prüfe, wer sich ewig bindet...} -\begin{overprint} -\onslide<1> -\begin{figure}[h] -\centering -\includegraphics[width=0.8\textwidth]{images/mar01.png} -\end{figure} -\onslide<2> -\begin{figure}[h] -\centering -\includegraphics[height=0.5\textwidth]{images/mar02.png} -\end{figure} -\onslide<3> -\begin{figure}[h] -\centering -\includegraphics[height=0.5\textwidth]{images/mar03.png} -\end{figure} -\end{overprint} -\end{frame} - -\begin{frame} -\frametitle{Preempt RT} -\begin{itemize} -\item Thomas Gleixner, Ingo Molnar -\item In-Kernel Ansatz -\item Große Entwicklergemeinde -\item Viele Funktionen bereits nach ''Mainline'' Linux übernommen -\item POSIX Realtime -\item Hohe Akzeptanz, vollständige Integration in Linux 2006 beschlossen -\end{itemize} -\end{frame} - -\begin{frame} -\frametitle{Preempt RT und Mainline} -\textit{''Controlling a laser with Linux is crazy, but everyone in this room is -crazy in his own way. So if you want to use Linux to control an industrial -welding laser, I have no problem with your using Preempt RT''} - Linus Torvalds -auf dem Kernel Summit 2006 -\end{frame} - -\begin{frame} -\frametitle{Wie macht Preempt RT Linux echtzeitfähig?} -\begin{overprint} -\onslide<1> -\begin{alertblock}{Wir erinnern uns...} -Unterbrechbarkeit ist eine zentrale Anforderung an ein Echtzeitsystem -\end{alertblock} -\onslide<2> -\begin{itemize} -\item Locking Primitiven: Spinlocks werden durch RT Mutexe ersetzt, die schlafen -können. Raw Spinlocks ersetzen die ursprüngliche Spinlock -\item Interrupt Handler laufen per default in einem Kernelthread -\end{itemize} -\end{overprint} -\end{frame} - -\begin{frame} -\frametitle{Preempt RT} -\begin{figure}[h] -\centering -\includegraphics[height=0.5\textwidth]{images/preempt_rt.png} -\end{figure} -\end{frame} - -\input{tailpres} diff --git a/realtime/rt-specialties/Makefile b/realtime/rt-specialties/Makefile index 11da55f..4d11316 100644 --- a/realtime/rt-specialties/Makefile +++ b/realtime/rt-specialties/Makefile @@ -1,4 +1,3 @@ obj-$(CONFIG_REALTIME_SPECIALITIES) += hints_rt-specialties_de.pdf -obj-$(CONFIG_REALTIME_SPECIALITIES) += pres_rt-specialties_de.pdf obj-$(CONFIG_REALTIME_SPECIALITIES) += pres_rt-specialties_en.pdf obj-handout-$(CONFIG_REALTIME_SPECIALITIES) += handout_rt-specialties_de.pdf |
