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[doc] Add small section for docker on Ubuntu (#668)

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Grégoire Roussel 2023-11-20 18:58:01 +01:00 committed by GitHub
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manual/tracy.tex
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@ -584,6 +584,16 @@ The best way to run Tracy is on bare metal. Avoid profiling applications in virt
\item Call stack sampling might lack time stamps. While you can use such a reduced data set to perform statistical analysis, you won't be able to limit the time range or see the sampling zones on the timeline.
\end{itemize}
\paragraph{Docker on Linux}
Although the basic features will work without them, you'll have to grant elevated access rights to the container running your client. Here is a sample configuration that \textit{may} enable the CPU sampling features\footnote{Tested on Ubuntu 22.04.3, docker 24.0.4}.
\begin{itemize}
\item \texttt{-{}-privileged}
\item \texttt{-{}-mount "type=bind,source=/sys/kernel/debug,target=/sys/kernel/debug,readonly"}
\item \texttt{-{}-user 0:0}
\item \texttt{-{}-pid=host}
\end{itemize}
\subsubsection{Changing network port}
By default, the client and server communicate on the network using port 8086. The profiling session utilizes the TCP protocol, and the client sends presence announcement broadcasts over UDP.