From ecb92a716ccbd64e0dd9b647c17d8fcabc0da0e9 Mon Sep 17 00:00:00 2001
From: Manuel Traut <manut@mecka.net>
Date: Wed, 10 Jul 2013 19:30:15 +0200
Subject: update perf presentation

Signed-off-by: Manuel Traut <manut@mecka.net>
---
 kernel-devel/kernel-perf/pres_kernel-perf_en.tex | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'kernel-devel/kernel-perf/pres_kernel-perf_en.tex')

diff --git a/kernel-devel/kernel-perf/pres_kernel-perf_en.tex b/kernel-devel/kernel-perf/pres_kernel-perf_en.tex
index 893aa70..b6edfc0 100644
--- a/kernel-devel/kernel-perf/pres_kernel-perf_en.tex
+++ b/kernel-devel/kernel-perf/pres_kernel-perf_en.tex
@@ -10,7 +10,9 @@ Perf is a profiler tool for Linux 2.6+ based systems.
 \begin{itemize}
 \item perf\_events interface of the Linux kernel
 \item perf userspace tool
+\item access perf events from own applications
 \end{itemize}
+Perf is an event counter, no tracer.
 \end{frame}
 
 \begin{frame}
@@ -45,6 +47,15 @@ Perf is a profiler tool for Linux 2.6+ based systems.
 \end{description}
 \end{frame}
 
+
+\begin{frame}
+\frametitle{selecting events}
+\begin{description}
+\item[-e] use the specified event
+\item[-f] filter events, e.g. -e irq:irq\_handler\_entry --filter irq==18
+\end{description}
+\end{frame}
+
 \begin{frame}[fragile]
 \frametitle{Example: live-view of page-fault event}
 \begin{lstlisting}
-- 
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