linux-kernel - [PATCH 3/3] Documentation: tracing: add new type 'pd' and 'pD' for kprobe

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Date: Fri, 19 Jan 2024 09:38:48 +0800
From: Ye Bin <yebin10@...wei.com>
To: <rostedt@...dmis.org>, <mhiramat@...nel.org>,
	<mathieu.desnoyers@...icios.com>, <linux-trace-kernel@...r.kernel.org>
CC: <linux-kernel@...r.kernel.org>, <yebin10@...wei.com>
Subject: [PATCH 3/3] Documentation: tracing: add new type 'pd' and 'pD' for kprobe

Similar to printk() 'pd' is for print dentry's name, and 'pD' is
for print file's name.

Signed-off-by: Ye Bin <yebin10@...wei.com>
---
 Documentation/trace/kprobetrace.rst | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Documentation/trace/kprobetrace.rst b/Documentation/trace/kprobetrace.rst
index bf9cecb69fc9..c46c5d0a25e6 100644
--- a/Documentation/trace/kprobetrace.rst
+++ b/Documentation/trace/kprobetrace.rst
@@ -58,7 +58,8 @@ Synopsis of kprobe_events
   NAME=FETCHARG : Set NAME as the argument name of FETCHARG.
   FETCHARG:TYPE : Set TYPE as the type of FETCHARG. Currently, basic types
 		  (u8/u16/u32/u64/s8/s16/s32/s64), hexadecimal types
-		  (x8/x16/x32/x64), "char", "string", "ustring", "symbol", "symstr"
+		  (x8/x16/x32/x64), VFS layer common type(pd/pD) for print
+                  file name, "char", "string", "ustring", "symbol", "symstr"
                   and bitfield are supported.
 
   (\*1) only for the probe on function entry (offs == 0). Note, this argument access
-- 
2.31.1