linux-kernel - Re: [PATCH V4 06/20] tools/rv: Add dot2c

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Message-ID: <cd43b064-861e-8d7d-4b06-6aae1a037bf4@kernel.org>
Date:   Wed, 13 Jul 2022 20:41:10 +0200
From:   Daniel Bristot de Oliveira <bristot@...nel.org>
To:     Steven Rostedt <rostedt@...dmis.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 06/20] tools/rv: Add dot2c

On 6/28/22 20:16, Steven Rostedt wrote:
> On Thu, 16 Jun 2022 10:44:48 +0200
> Daniel Bristot de Oliveira <bristot@...nel.org> wrote:
> 
>> +    def get_minimun_type(self):
>> +        min_type="char"
>> +
>> +        if self.states.__len__() > 255:
>> +            min_type="short"
>> +
>> +        if self.states.__len__() > 65535:
>> +            min_type="int"
> Should these be "unsigned"? As char goes from -128 <-> 127
> and short goes from -32768 <-> 32767
> 
> And are you sure you're not going to have more than 2,147,483,647 states ;-)
> (or 4,294,967,296 if it's unsigned).

Fixed! now I am using the "state_max" as the invalid state, so I can use unsigned.

I also revisited all python code for consistency.

-- Daniel