linux-kernel - Re: [PATCH V4 15/20] Documentation/rv: Add deterministic automata monitor synthesis documentation

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Message-ID: <20220628150929.35911ab2@gandalf.local.home>
Date:   Tue, 28 Jun 2022 15:09:29 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Daniel Bristot de Oliveira <bristot@...nel.org>
Cc:     Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Guenter Roeck <linux@...ck-us.net>,
        Jonathan Corbet <corbet@....net>,
        Ingo Molnar <mingo@...hat.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Peter Zijlstra <peterz@...radead.org>,
        Will Deacon <will@...nel.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Marco Elver <elver@...gle.com>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        "Paul E. McKenney" <paulmck@...nel.org>,
        Shuah Khan <skhan@...uxfoundation.org>,
        Gabriele Paoloni <gpaoloni@...hat.com>,
        Juri Lelli <juri.lelli@...hat.com>,
        Clark Williams <williams@...hat.com>,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-trace-devel@...r.kernel.org
Subject: Re: [PATCH V4 15/20] Documentation/rv: Add deterministic automata
 monitor synthesis documentation

On Thu, 16 Jun 2022 10:44:57 +0200
Daniel Bristot de Oliveira <bristot@...nel.org> wrote:

> +DA monitor synthesis in a nutshell
> +------------------------------------------------------
> +
> +The synthesis of automata-based models into the Linux *RV monitor* abstraction
> +is automated by a tool named "dot2k", and the "rv/da_monitor.h" provided
> +by the RV interface.
> +
> +Given a file "wip.dot", representing a per-cpu monitor, with this content::

Specify what "wip" is here too.

-- Steve

> +
> +  digraph state_automaton {
> +	center = true;
> +	size = "7,11";
> +	rankdir = LR;
> +	{node [shape = circle] "non_preemptive"};
> +	{node [shape = plaintext, style=invis, label=""] "__init_preemptive"};
> +	{node [shape = doublecircle] "preemptive"};
> +	{node [shape = circle] "preemptive"};
> +	"__init_preemptive" -> "preemptive";
> +	"non_preemptive" [label = "non_preemptive"];
> +	"non_preemptive" -> "non_preemptive" [ label = "sched_waking" ];
> +	"non_preemptive" -> "preemptive" [ label = "preempt_enable" ];
> +	"preemptive" [label = "preemptive"];
> +	"preemptive" -> "non_preemptive" [ label = "preempt_disable" ];
> +	{ rank = min ;
> +		"__init_preemptive";
> +		"preemptive";
> +	}
> +  }
> +