Re: [PATCH V4 05/19] trace/osnoise: Allow multiple instances of the same tracer
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- Subject: Re: [PATCH V4 05/19] trace/osnoise: Allow multiple instances of the same tracer
- From: Steven Rostedt <rostedt@xxxxxxxxxxx>
- Date: Mon, 25 Oct 2021 10:36:57 -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: <7770e301-178f-725a-aa7f-b674b41ed20c@kernel.org>
- References: <cover.1634820694.git.bristot@kernel.org> <6da5c06e2455e4edca4f4115199bf2bf3844798c.1634820694.git.bristot@kernel.org> <20211022224711.7d1cbddf@rorschach.local.home> <7770e301-178f-725a-aa7f-b674b41ed20c@kernel.org>
On Mon, 25 Oct 2021 10:08:39 +0200
Daniel Bristot de Oliveira <bristot@xxxxxxxxxx> wrote:
> osnoise and timerlat tracers share a lot of code, including the osnoise: events.
>
> However, the osnoise: events have different behavior depending on which tracer
> is enabled. So, while this patch allows the same tracer to run in multiple
> instances (e.g., two instances running osnoise), it still does not allow
> instances of timerlat and osnoise in parallel (e.g., one timerlat and osnoise).
>
> Should I add the text above to the log?
Yes please.
-- Steve
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