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Sun, 12 Oct 2025 07:32:07 -0700 (PDT) Date: Sun, 12 Oct 2025 23:32:05 +0900 From: Ryan Chung To: Masami Hiramatsu Cc: rostedt@goodmis.org, mathieu.desnoyers@efficios.com, shuah@kernel.org, hca@linux.ibm.com, corbet@lwn.net, linux-trace-kernel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-doc@vger.kernel.org Subject: Re: [PATCH v3 2/5] tracing: fprobe: require explicit [GROUP/]EVENT for list/wildcard Message-ID: References: <20251004235001.133111-1-seokwoo.chung130@gmail.com> <20251004235001.133111-3-seokwoo.chung130@gmail.com> <20251008095316.cf24f13a84a454ddbf530120@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20251008095316.cf24f13a84a454ddbf530120@kernel.org> On Wed, Oct 08, 2025 at 09:53:16AM +0900, Masami Hiramatsu wrote: > This should be a part of [3/5], because when bisecting, the test will check the > README file and check the feature. > > Thank you, > Ok. I will fold the readme_msg change in [3/5] (the patch that introduces :entry|:exit and keeps %return for single-symbol input) so the tracefs README matches the feature during bisection and for tests. > On Sun, 5 Oct 2025 08:46:56 +0900 > Ryan Chung wrote: > > > Signed-off-by: Ryan Chung > > --- > > kernel/trace/trace.c | 3 ++- > > 1 file changed, 2 insertions(+), 1 deletion(-) > > > > diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c > > index b3c94fbaf002..ac0d3acc337e 100644 > > --- a/kernel/trace/trace.c > > +++ b/kernel/trace/trace.c > > @@ -5524,7 +5524,8 @@ static const char readme_msg[] = > > "\t r[maxactive][:[/][]] []\n" > > #endif > > #ifdef CONFIG_FPROBE_EVENTS > > - "\t f[:[/][]] [%return] []\n" > > + "\t f[:[/][]] [:entry|:exit] []\n" > > + "\t (single symbols still accept %return)\n" > > "\t t[:[/][]] []\n" > > #endif > > #ifdef CONFIG_HIST_TRIGGERS > > -- > > 2.43.0 > > > > > -- > Masami Hiramatsu (Google)