Re: [PATCH 00/15] tracepoint: Avoid double static_branch evaluation at guarded call sites

On 2026-03-12 11:23, Steven Rostedt wrote:
> On Thu, 12 Mar 2026 11:12:41 -0400
> Mathieu Desnoyers <[email protected]> wrote:
> 
>>>     if (trace_foo_enabled() && cond)
>>>         trace_invoke_foo(args);   /* calls __do_trace_foo() directly */
>>
>> FYI, we have a similar concept in LTTng-UST for userspace
>> instrumentation already:
>>
>> if (lttng_ust_tracepoint_enabled(provider, name))
>>           lttng_ust_do_tracepoint(provider, name, ...);
>>
>> Perhaps it can provide some ideas about API naming.
> 
> I find the word "invoke" sounding more official than "do" ;-)
> 
> 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.

Thanks,

Mathieu



-- 
Mathieu Desnoyers
EfficiOS Inc.
https://www.efficios.com