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From: Steven Rostedt <rostedt@goodmis.org>
To: Jakub Kicinski <kuba@kernel.org>
Cc: Johannes Berg <johannes@sipsolutions.net>,
	linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org,
	netdev@vger.kernel.org, linux-wireless@vger.kernel.org
Subject: Re: [PATCH 0/4] tracing: improve symbolic printing
Date: Wed, 4 Oct 2023 12:35:24 -0400	[thread overview]
Message-ID: <20231004123524.27feeae7@gandalf.local.home> (raw)
In-Reply-To: <20231004092205.02c8eb0b@kernel.org>

On Wed, 4 Oct 2023 09:22:05 -0700
Jakub Kicinski <kuba@kernel.org> 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".

-- Steve

  reply	other threads:[~2023-10-04 16:34 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-09-21  8:51 [PATCH 0/4] tracing: improve symbolic printing Johannes Berg
2023-09-21  8:51 ` [RFC PATCH 1/4] tracing: add __print_sym() to replace __print_symbolic() Johannes Berg
2023-09-21 15:17   ` Johannes Berg
2023-09-21  8:51 ` [RFC PATCH 2/4] net: dropreason: use new __print_sym() in tracing Johannes Berg
2023-09-21  8:51 ` [RFC PATCH 3/4] net: drop_monitor: use drop_reason_lookup() Johannes Berg
2023-09-21 17:54   ` Johannes Berg
2023-09-21  8:51 ` [RFC PATCH 4/4] tracing/timer: use __print_sym() Johannes Berg
2023-10-04 16:22 ` [PATCH 0/4] tracing: improve symbolic printing Jakub Kicinski
2023-10-04 16:35   ` Steven Rostedt [this message]
2023-10-04 16:54     ` Jakub Kicinski
2023-10-04 17:29       ` Steven Rostedt
2023-10-04 21:35         ` Alan Maguire
2023-10-04 21:43           ` Steven Rostedt
2023-10-04 22:07             ` Alan Maguire
2023-10-04 18:38   ` Johannes Berg
2023-10-04 18:46     ` Steven Rostedt

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