Re: [PATCH] Tracepoint: introduce tracepoint() API

[Eric Dumazet <eric.dumazet@gmail.com>]

Le vendredi 25 novembre 2011 à 17:14 -0500, Mathieu Desnoyers a écrit :
> Introduce:
> 
>   tracepoint(event_name, arg1, arg2, ...)
> 
> while keeping the old tracepoint API in place, e.g.:
> 
>   trace_event_name(arg1, arg2, ...)
> 
> This allows skipping parameter side-effects (pointer dereference,
> function calls, ...) when the tracepoint is not dynamically activated.
> 
> This allows progressive (and partial) API transition from trace_*(...)
> to tracepoint(*, ...). This differs from the previous attempt to
> introduce this change by Jason Baron in that it supports both the
> original and new tracepoint APIs, which makes the transition smoother
> than having to change all instrumentation at once.
> 
> Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
> Acked-by: Steven Rostedt <rostedt@goodmis.org>
> Acked-by: Jason Baron <jbaron@redhat.com>
> Link: https://lkml.org/lkml/2009/5/19/328
> CC: Eric Dumazet <eric.dumazet@gmail.com>
> CC: Peter Zijlstra <peterz@infradead.org>
> CC: Ingo Molnar <mingo@elte.hu>
> CC: Christoph Lameter <cl@linux-foundation.org>
> ---

Seems good to me, thanks Mathieu !

Acked-by: Eric Dumazet <eric.dumazet@gmail.com>