linux-kernel - Re: [PATCH v2 9/9] Documentation/rtla: Add actions feature

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Message-ID: <20250722112926.17ea1c65@batman.local.home>
Date: Tue, 22 Jul 2025 11:29:47 -0400
From: Steven Rostedt <rostedt@...dmis.org>
To: Tomas Glozar <tglozar@...hat.com>
Cc: linux-trace-kernel@...r.kernel.org, linux-kernel@...r.kernel.org, John
 Kacur <jkacur@...hat.com>, Luis Goncalves <lgoncalv@...hat.com>, Arnaldo
 Carvalho de Melo <acme@...nel.org>, Chang Yin <cyin@...hat.com>, Costa
 Shulyupin <costa.shul@...hat.com>, Crystal Wood <crwood@...hat.com>,
 Gabriele Monaco <gmonaco@...hat.com>
Subject: Re: [PATCH v2 9/9] Documentation/rtla: Add actions feature

On Tue, 22 Jul 2025 09:03:24 +0200
Tomas Glozar <tglozar@...hat.com> wrote:

> Of course, this is just an implementational limitation of the timerlat
> tracer. If timerlat had an event (like osnoise's "sample_threshold")
> triggered on threshold overflow and if it is possible to wait on it
> even without BPF, rtla could wait on that for both BPF and non-BPF
> mode instead of what it is currently doing.

Right. Is this something you may want?

-- Steve