[bootlin/training-materials updates] master: debugging: slides: add mention to trace_pipe (00dcd282)

[Alexis Lothoré]

Repository : https://github.com/bootlin/training-materials
On branch  : master
Link       : https://github.com/bootlin/training-materials/commit/00dcd2823463ba3b2da8895561c3c904a1b127ed

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commit 00dcd2823463ba3b2da8895561c3c904a1b127ed
Author: Alexis Lothoré <alexis.lothore at bootlin.com>
Date:   Wed Jul 5 09:34:32 2023 +0200

    debugging: slides: add mention to trace_pipe
    
    Fixes #196
    
    Signed-off-by: Alexis Lothoré <alexis.lothore at bootlin.com>


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00dcd2823463ba3b2da8895561c3c904a1b127ed
 .../debugging-system-wide-profiling/debugging-system-wide-profiling.tex | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/slides/debugging-system-wide-profiling/debugging-system-wide-profiling.tex b/slides/debugging-system-wide-profiling/debugging-system-wide-profiling.tex
index f8167531..ab367dd8 100644
--- a/slides/debugging-system-wide-profiling/debugging-system-wide-profiling.tex
+++ b/slides/debugging-system-wide-profiling/debugging-system-wide-profiling.tex
@@ -399,6 +399,8 @@ Overhead  Shared Object                         Symbol
       \item \code{tracing_on}: Enable/disable tracing.
       \item \code{trace}: Acquired trace in human readable format. Format will
             differ depending on the tracer used.
+      \item \code{trace_pipe}: same as \code{trace}, but each read consumes the
+      trace as it is read.
       \item \code{trace_marker{_raw}}: Emit comments from userspace in the
             trace buffer.
       \item \code{set_ftrace_filter}: Filter some specific functions.