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From: Nam Cao <namcao@linutronix.de>
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To: Gabriele Monaco <gmonaco@redhat.com>, linux-kernel@vger.kernel.org,
 linux-trace-kernel@vger.kernel.org, bpf@vger.kernel.org
Cc: Gabriele Monaco <gmonaco@redhat.com>, Steven Rostedt
 <rostedt@goodmis.org>, Wen Yang <wen.yang@linux.dev>, Tobias Schaffner
 <tobias.schaffner@siemens.com>, Viktor Malik <vmalik@redhat.com>
Subject: Re: [RFC PATCH 00/20] rv: Add support for BPF monitors
In-Reply-To: <20260831090524.106845-1-gmonaco@redhat.com>
References: <20260831090524.106845-1-gmonaco@redhat.com>
Date: Tue, 01 Sep 2026 20:35:25 +0200
Message-ID: <87se3sakgi.fsf@yellow.woof>
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Gabriele Monaco <gmonaco@redhat.com> writes:
> Extend the rv userspace tool to load BPF monitors, those can be found in
> specific locations (e.g. /usr/share/rv/bpf_monitors/) and are plain
> object files including BTF data.
>
> This type of BPF monitors can be generated from rvgen using the -b flag
> just like in-kernel monitors and, after manual adaptation, can be built
> and run transparently by the rv userspace tool.

I am not familiar with BPF. What is the benefit of BPF monitors,
compared to the existing DA monitors?

Nam