linux-kernel - [PATCH v3 0/2] tracing: fprobe: optimization for entry only case

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Message-ID: <20251013015209.30949-1-dongml2@chinatelecom.cn>
Date: Mon, 13 Oct 2025 09:52:07 +0800
From: Menglong Dong <menglong8.dong@...il.com>
To: mhiramat@...nel.org
Cc: rostedt@...dmis.org,
	mathieu.desnoyers@...icios.com,
	jiang.biao@...ux.dev,
	linux-kernel@...r.kernel.org,
	linux-trace-kernel@...r.kernel.org
Subject: [PATCH v3 0/2] tracing: fprobe: optimization for entry only case

The first patch is to optimize the fprobe for entry only case.
The second patch is to add testcase for mixed fprobe.

This series base on the "linux-trace" tree and "for-next" branch.

Changes since V2:
* add some comment to the rcu_read_lock() in fprobe_ftrace_entry() in the
  1st patch

Changes since V1:
* merge the rename of fprobe_entry into one
* add some document for fprobe_fgraph_entry as Masami suggested
* use ftrace_test_recursion_trylock() in fprobe_ftrace_entry()
* add the testcase for mixed fprobe

Menglong Dong (2):
  tracing: fprobe: optimization for entry only case
  lib/test_fprobe: add testcase for mixed fprobe

 kernel/trace/fprobe.c   | 109 ++++++++++++++++++++++++++++++++++++----
 lib/tests/test_fprobe.c |  99 +++++++++++++++++++++++++++++++++++-
 2 files changed, 196 insertions(+), 12 deletions(-)

-- 
2.51.0