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List: linux-sh
Subject: [PATCH 10/11] ftrace: add doc for new option record-funcproto
From: Changbin Du <changbin.du () gmail ! com>
Date: 2019-08-25 13:23:29
Message-ID: 20190825132330.5015-11-changbin.du () gmail ! com
[Download RAW message or body]
Just add the doc for our new feature.
Signed-off-by: Changbin Du <changbin.du@gmail.com>
---
Documentation/trace/ftrace.rst | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/Documentation/trace/ftrace.rst b/Documentation/trace/ftrace.rst
index f60079259669..c68fbbedb8bd 100644
--- a/Documentation/trace/ftrace.rst
+++ b/Documentation/trace/ftrace.rst
@@ -988,6 +988,7 @@ To see what is available, simply cat the file::
nolatency-format
record-cmd
norecord-tgid
+ norecord-funcproto
overwrite
nodisable_on_free
irq-info
@@ -1131,6 +1132,11 @@ Here are the available options:
mapped Thread Group IDs (TGID) mapping to pids. See
"saved_tgids".
+ record-funcproto
+ Record function parameters and return value. This option
+ is only supported by function_graph tracer on x86_64
+ platform by now.
+
overwrite
This controls what happens when the trace buffer is
full. If "1" (default), the oldest events are
--
2.20.1
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