From ce1c744de92364ae9474d58ad8d86a6a164097fc Mon Sep 17 00:00:00 2001 From: Bartosz Taudul Date: Wed, 12 Aug 2020 18:50:54 +0200 Subject: [PATCH] Update manual. --- manual/tracy.tex | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/manual/tracy.tex b/manual/tracy.tex index 5612f4b7..16d2e34f 100644 --- a/manual/tracy.tex +++ b/manual/tracy.tex @@ -467,9 +467,10 @@ To workaround this limitation, you will need to have a rooted device. Execute th \begin{lstlisting}[language=sh] setenforce 0 mount -o remount,hidepid=0 /proc +echo 0 > /proc/sys/kernel/perf_event_paranoid \end{lstlisting} -The first command will allow access to system CPU statistics. The second one will allow inspection of foreign processes (which is required for context switch capture). \emph{Be sure that you are fully aware of the consequences of making these changes.} +The first command will allow access to system CPU statistics. The second one will allow inspection of foreign processes (which is required for context switch capture). The last one will lower restrictions on access to performance counters. \emph{Be sure that you are fully aware of the consequences of making these changes.} \paragraph{Cloud service providers} @@ -722,7 +723,7 @@ Crash handling & \faCheck & \faCheck & \faCheck & \faTimes & \faTimes & \faTimes CPU usage probing & \faCheck & \faCheck & \faCheck & \faCheck & \faCheck & \faCheck \\ Context switches & \faCheck & \faCheck & \faCheck & \faTimes & \faPoo & \faTimes \\ CPU topology information & \faCheck & \faCheck & \faCheck & \faTimes & \faTimes & \faTimes \\ -Call stack sampling & \faCheck & \faTimes & \faTimes & \faTimes & \faPoo & \faTimes \\ +Call stack sampling & \faCheck & \faCheck & \faCheck & \faTimes & \faPoo & \faTimes \\ \end{tabular} \vspace{1em}