Re: [PATCH v23 3/5] tracing: Allow user-space mapping of the ring-buffer
From: Beau Belgrave
Date: Wed Jul 03 2024 - 18:27:00 EST
On Tue, Jul 02, 2024 at 12:51:26PM -0400, Steven Rostedt wrote:
> On Tue, 2 Jul 2024 11:32:53 -0400
> Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx> wrote:
>
> > If we use '*' for user events already, perhaps we'd want to consider
> > using the same range for the ring buffer ioctls ? Arguably one is
> > about instrumentation and the other is about ring buffer interaction
> > (data transport), but those are both related to tracing.
>
> Yeah, but I still rather keep them separate.
>
> Beau, care to send a patch adding an entry into that ioctl document for
> user events?
>
> -- Steve
Sure thing, sent one out [1].
Thanks,
-Beau
1. https://lore.kernel.org/linux-doc/20240703222501.1547-1-beaub@xxxxxxxxxxxxxxxxxxx/