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authorJan Altenberg <jan@linutronix.de>2011-01-25 15:37:04 +0100
committerJan Altenberg <jan@linutronix.de>2011-01-25 15:37:04 +0100
commit419ee2957e35830d4726b329307cfae6de274dde (patch)
treebe4508d06e276c37ca674d2024d98f0b7695860a /linux-basics/linux-processes/pres_linux-processes_en.tex
parent27321f4513e60d4f1707d430cebc1c73f81e8c3d (diff)
linux-processes: Added CPU affinity and resource limits
Diffstat (limited to 'linux-basics/linux-processes/pres_linux-processes_en.tex')
-rw-r--r--linux-basics/linux-processes/pres_linux-processes_en.tex56
1 files changed, 56 insertions, 0 deletions
diff --git a/linux-basics/linux-processes/pres_linux-processes_en.tex b/linux-basics/linux-processes/pres_linux-processes_en.tex
index 73582d8..142ab50 100644
--- a/linux-basics/linux-processes/pres_linux-processes_en.tex
+++ b/linux-basics/linux-processes/pres_linux-processes_en.tex
@@ -193,6 +193,30 @@ Scheduling policies:
\end{verbatim}
\end{frame}
+\begin{frame}[fragile]
+\frametitle{Setting scheduling class and priority}
+\begin{lstlisting}
+#include <sched.h>
+
+struct sched_param param;
+int ret;
+
+params.prio = 80;
+ret = sched_setscheduler(0, SCHED_FIFO, &param);
+[...]
+\end{lstlisting}
+\end{frame}
+
+\begin{frame}[fragile]
+\frametitle{Resource limits}
+\begin{lstlisting}
+#include <sys/resource.h>
+
+int setrlimit(int resource,
+ const struct rlimit *rlim);
+\end{lstlisting}
+\end{frame}
+
\section{Daemons}
\begin{frame}
\frametitle{Daemons}
@@ -214,6 +238,38 @@ working directory and so on...)
\end{itemize}
\end{frame}
+\begin{frame}[fragile]
+\frametitle{Scheduling on Multicore Systems}
+\begin{itemize}
+\item CPU affinity
+\item Kernelparameters:
+\begin{itemize}
+\item num\_cpus=
+\item isolcpus=
+\item cpuset=
+\end{itemize}
+\end{itemize}
+\end{frame}
+
+\section{Multicore specific scheduling}
+\begin{frame}[fragile]
+\frametitle{CPU affinity}
+\begin{lstlisting}
+#define _GNU_SOURCE
+#include <sched.h>
+
+cpu_set_t set;
+
+CPU_ZERO(&set);
+CPU_SET(0, &set);
+CPU_SET(1, &set);
+
+[...]
+
+sched_setaffinity(pid, CPU_SETSIZE, &set);
+\end{lstlisting}
+\end{frame}
+
\section*{sources}
\begin{frame}
\begin{thebibliography}{1}