Re: [PATCH V7 0/9] osnoise: Support multiple instances (for RTLA)
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- Subject: Re: [PATCH V7 0/9] osnoise: Support multiple instances (for RTLA)
- From: Steven Rostedt <rostedt@xxxxxxxxxxx>
- Date: Thu, 28 Oct 2021 22:41:11 -0400
- Cc: Ingo Molnar <mingo@xxxxxxxxxx>, Tom Zanussi <zanussi@xxxxxxxxxx>, Masami Hiramatsu <mhiramat@xxxxxxxxxx>, Juri Lelli <juri.lelli@xxxxxxxxxx>, Clark Williams <williams@xxxxxxxxxx>, John Kacur <jkacur@xxxxxxxxxx>, Peter Zijlstra <peterz@xxxxxxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>, linux-rt-users@xxxxxxxxxxxxxxx, linux-trace-devel@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
- In-reply-to: <cover.1635452903.git.bristot@kernel.org>
- References: <cover.1635452903.git.bristot@kernel.org>
On Thu, 28 Oct 2021 23:29:28 +0200
Daniel Bristot de Oliveira <bristot@xxxxxxxxxx> wrote:
> Currently, osnoise and timerlat run only on a single instance only. To lift
> this limitation, this series adds support for parallel instances of the
> same tracer. For example, making it possible to run one osnoise instance
> for the tracer output and another for a set of tracepoints.
>
> This patchset is the kernel dependencies for RTLA. It was
> being sent along with RTLA [1], but we split the kernel and
> user-space patch sets.
>
> Steve, feel free to drop the last two if they break anything.
>
> [1] RTLA: An interface for osnoise/timerlat tracers:
> https://lore.kernel.org/lkml/cover.1635284863.git.bristot@xxxxxxxxxx/
>
Much better.
The only thing I would recommend now, is to write selftests to test
both osnoise and timerlat tracers. Note, this should be a separate
patch set.
-- Steve
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