From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: "Vineeth Pillai (Google)" <vineeth@bitbyteword.org>,
"Peter Zijlstra" <peterz@infradead.org>,
"Dmitry Ilvokhin" <d@ilvokhin.com>,
"Masami Hiramatsu" <mhiramat@kernel.org>,
"Ingo Molnar" <mingo@redhat.com>, "Jens Axboe" <axboe@kernel.dk>,
io-uring@vger.kernel.org, "David S. Miller" <davem@davemloft.net>,
"Eric Dumazet" <edumazet@google.com>,
"Jakub Kicinski" <kuba@kernel.org>,
"Paolo Abeni" <pabeni@redhat.com>,
"Alexei Starovoitov" <ast@kernel.org>,
"Daniel Borkmann" <daniel@iogearbox.net>,
"Marcelo Ricardo Leitner" <marcelo.leitner@gmail.com>,
"Xin Long" <lucien.xin@gmail.com>,
"Jon Maloy" <jmaloy@redhat.com>,
"Aaron Conole" <aconole@redhat.com>,
"Eelco Chaudron" <echaudro@redhat.com>,
"Ilya Maximets" <i.maximets@ovn.org>,
netdev@vger.kernel.org, bpf@vger.kernel.org,
linux-sctp@vger.kernel.org,
tipc-discussion@lists.sourceforge.net, dev@openvswitch.org,
"Oded Gabbay" <ogabbay@kernel.org>,
"Koby Elbaz" <koby.elbaz@intel.com>,
dri-devel@lists.freedesktop.org,
"Rafael J. Wysocki" <rafael@kernel.org>,
"Viresh Kumar" <viresh.kumar@linaro.org>,
"Gautham R. Shenoy" <gautham.shenoy@amd.com>,
"Huang Rui" <ray.huang@amd.com>,
"Mario Limonciello" <mario.limonciello@amd.com>,
"Len Brown" <lenb@kernel.org>,
"Srinivas Pandruvada" <srinivas.pandruvada@linux.intel.com>,
linux-pm@vger.kernel.org,
"MyungJoo Ham" <myungjoo.ham@samsung.com>,
"Kyungmin Park" <kyungmin.park@samsung.com>,
"Chanwoo Choi" <cw00.choi@samsung.com>,
"Christian König" <christian.koenig@amd.com>,
"Sumit Semwal" <sumit.semwal@linaro.org>,
linaro-mm-sig@lists.linaro.org,
"Eddie James" <eajames@linux.ibm.com>,
"Andrew Jeffery" <andrew@codeconstruct.com.au>,
"Joel Stanley" <joel@jms.id.au>,
linux-fsi@lists.ozlabs.org, "David Airlie" <airlied@gmail.com>,
"Simona Vetter" <simona@ffwll.ch>,
"Alex Deucher" <alexander.deucher@amd.com>,
"Danilo Krummrich" <dakr@kernel.org>,
"Matthew Brost" <matthew.brost@intel.com>,
"Philipp Stanner" <phasta@kernel.org>,
"Harry Wentland" <harry.wentland@amd.com>,
"Leo Li" <sunpeng.li@amd.com>,
amd-gfx@lists.freedesktop.org, "Jiri Kosina" <jikos@kernel.org>,
"Benjamin Tissoires" <bentiss@kernel.org>,
linux-input@vger.kernel.org,
"Wolfram Sang" <wsa+renesas@sang-engineering.com>,
linux-i2c@vger.kernel.org, "Mark Brown" <broonie@kernel.org>,
"Michael Hennerich" <michael.hennerich@analog.com>,
"Nuno Sá" <nuno.sa@analog.com>,
linux-spi@vger.kernel.org,
"James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>,
"Martin K. Petersen" <martin.petersen@oracle.com>,
linux-scsi@vger.kernel.org, "Chris Mason" <clm@fb.com>,
"David Sterba" <dsterba@suse.com>,
linux-btrfs@vger.kernel.org, linux-trace-kernel@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 00/15] tracepoint: Avoid double static_branch evaluation at guarded call sites
Date: Thu, 12 Mar 2026 11:49:23 -0400 [thread overview]
Message-ID: <1becdbce-2c01-468a-bbab-42b5dea9fdf8@efficios.com> (raw)
In-Reply-To: <20260312114041.5193c729@gandalf.local.home>
On 2026-03-12 11:40, Steven Rostedt wrote:
> On Thu, 12 Mar 2026 11:28:07 -0400
> Mathieu Desnoyers <mathieu.desnoyers@efficios.com> wrote:
>
>>> Note, Vineeth came up with the naming. I would have done "do" but when I
>>> saw "invoke" I thought it sounded better.
>>
>> It works as long as you don't have a tracing subsystem called
>> "invoke", then you get into identifier clash territory.
>
> True. Perhaps we should do the double underscore trick.
>
> Instead of: trace_invoke_foo()
>
> use: trace_invoke__foo()
>
>
> Which will make it more visible to what the trace event is.
>
> Hmm, we probably should have used: trace__foo() for all tracepoints, as
> there's still functions that are called trace_foo() that are not
> tracepoints :-p
One certain way to eliminate identifier clash would be to go for a
prefix to "trace_", e.g.
do_trace_foo()
call_trace_foo()
emit_trace_foo()
__trace_foo()
invoke_trace_foo()
dispatch_trace_foo()
Thanks,
Mathieu
--
Mathieu Desnoyers
EfficiOS Inc.
https://www.efficios.com
next prev parent reply other threads:[~2026-03-12 15:49 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-12 15:04 [PATCH 00/15] tracepoint: Avoid double static_branch evaluation at guarded call sites Vineeth Pillai (Google)
2026-03-12 15:04 ` [PATCH 01/15] tracepoint: Add trace_invoke_##name() API Vineeth Pillai (Google)
2026-03-12 15:12 ` Steven Rostedt
2026-03-12 15:39 ` Vineeth Remanan Pillai
2026-03-12 15:53 ` Peter Zijlstra
2026-03-12 16:05 ` Vineeth Remanan Pillai
2026-03-14 0:24 ` Keith Busch
2026-03-12 15:04 ` [PATCH 03/15] io_uring: Use trace_invoke_##name() at guarded tracepoint call sites Vineeth Pillai (Google)
2026-03-12 15:24 ` Keith Busch
2026-03-12 15:38 ` Steven Rostedt
2026-03-12 15:12 ` [PATCH 00/15] tracepoint: Avoid double static_branch evaluation at guarded " Mathieu Desnoyers
2026-03-12 15:23 ` Steven Rostedt
2026-03-12 15:28 ` Mathieu Desnoyers
2026-03-12 15:40 ` Steven Rostedt
2026-03-12 15:49 ` Mathieu Desnoyers [this message]
2026-03-12 15:54 ` Peter Zijlstra
2026-03-12 15:57 ` Mathieu Desnoyers
2026-03-12 16:08 ` Vineeth Remanan Pillai
2026-03-12 16:54 ` Andrii Nakryiko
2026-03-12 17:02 ` Steven Rostedt
2026-03-13 14:02 ` Vineeth Remanan Pillai
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1becdbce-2c01-468a-bbab-42b5dea9fdf8@efficios.com \
--to=mathieu.desnoyers@efficios.com \
--cc=James.Bottomley@HansenPartnership.com \
--cc=aconole@redhat.com \
--cc=airlied@gmail.com \
--cc=alexander.deucher@amd.com \
--cc=amd-gfx@lists.freedesktop.org \
--cc=andrew@codeconstruct.com.au \
--cc=ast@kernel.org \
--cc=axboe@kernel.dk \
--cc=bentiss@kernel.org \
--cc=bpf@vger.kernel.org \
--cc=broonie@kernel.org \
--cc=christian.koenig@amd.com \
--cc=clm@fb.com \
--cc=cw00.choi@samsung.com \
--cc=d@ilvokhin.com \
--cc=dakr@kernel.org \
--cc=daniel@iogearbox.net \
--cc=davem@davemloft.net \
--cc=dev@openvswitch.org \
--cc=dri-devel@lists.freedesktop.org \
--cc=dsterba@suse.com \
--cc=eajames@linux.ibm.com \
--cc=echaudro@redhat.com \
--cc=edumazet@google.com \
--cc=gautham.shenoy@amd.com \
--cc=harry.wentland@amd.com \
--cc=i.maximets@ovn.org \
--cc=io-uring@vger.kernel.org \
--cc=jikos@kernel.org \
--cc=jmaloy@redhat.com \
--cc=joel@jms.id.au \
--cc=koby.elbaz@intel.com \
--cc=kuba@kernel.org \
--cc=kyungmin.park@samsung.com \
--cc=lenb@kernel.org \
--cc=linaro-mm-sig@lists.linaro.org \
--cc=linux-btrfs@vger.kernel.org \
--cc=linux-fsi@lists.ozlabs.org \
--cc=linux-i2c@vger.kernel.org \
--cc=linux-input@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-pm@vger.kernel.org \
--cc=linux-scsi@vger.kernel.org \
--cc=linux-sctp@vger.kernel.org \
--cc=linux-spi@vger.kernel.org \
--cc=linux-trace-kernel@vger.kernel.org \
--cc=lucien.xin@gmail.com \
--cc=marcelo.leitner@gmail.com \
--cc=mario.limonciello@amd.com \
--cc=martin.petersen@oracle.com \
--cc=matthew.brost@intel.com \
--cc=mhiramat@kernel.org \
--cc=michael.hennerich@analog.com \
--cc=mingo@redhat.com \
--cc=myungjoo.ham@samsung.com \
--cc=netdev@vger.kernel.org \
--cc=nuno.sa@analog.com \
--cc=ogabbay@kernel.org \
--cc=pabeni@redhat.com \
--cc=peterz@infradead.org \
--cc=phasta@kernel.org \
--cc=rafael@kernel.org \
--cc=ray.huang@amd.com \
--cc=rostedt@goodmis.org \
--cc=simona@ffwll.ch \
--cc=srinivas.pandruvada@linux.intel.com \
--cc=sumit.semwal@linaro.org \
--cc=sunpeng.li@amd.com \
--cc=tipc-discussion@lists.sourceforge.net \
--cc=vineeth@bitbyteword.org \
--cc=viresh.kumar@linaro.org \
--cc=wsa+renesas@sang-engineering.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox