Re: [PATCH 0/4] tracing: improve symbolic printing

From: Jakub Kicinski
Date: Wed Oct 04 2023 - 12:54:43 EST


On Wed, 4 Oct 2023 12:35:24 -0400 Steven Rostedt wrote:
> > Potentially naive question - the trace point holds enum skb_drop_reason.
> > The user space can get the names from BTF. Can we not teach user space
> > to generically look up names of enums in BTF?
>
> That puts a hard requirement to include BTF in builds where it was not
> needed before. I really do not want to build with BTF just to get access to
> these symbols. And since this is used by the embedded world, and BTF is
> extremely bloated, the short answer is "No".

Dunno. BTF is there most of the time. It could make the life of
majority of the users far more pleasant.

I hope we can at least agree that the current methods of generating
the string arrays at C level are... aesthetically displeasing.