linux-kernel - Re: [PATCH V7 00/14] RTLA: An interface for osnoise/timerlat tracers

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Message-ID: <5609acbd-ba55-8c90-ae86-07a60d249009@kernel.org>
Date:   Thu, 25 Nov 2021 14:46:46 +0100
From:   Daniel Bristot de Oliveira <bristot@...nel.org>
To:     Steven Rostedt <rostedt@...dmis.org>
Cc:     Tao Zhou <tao.zhou@...ux.dev>, Ingo Molnar <mingo@...hat.com>,
        Tom Zanussi <zanussi@...nel.org>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Juri Lelli <juri.lelli@...hat.com>,
        Clark Williams <williams@...hat.com>,
        John Kacur <jkacur@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        linux-rt-users@...r.kernel.org, linux-trace-devel@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH V7 00/14] RTLA: An interface for osnoise/timerlat tracers

On 11/24/21 23:11, Steven Rostedt wrote:
> On Fri, 29 Oct 2021 21:26:03 +0200
> Daniel Bristot de Oliveira <bristot@...nel.org> wrote:
> 
>> The rtla(1) is a meta-tool that includes a set of commands that
>> aims to analyze the real-time properties of Linux. But instead of
>> testing Linux as a black box, rtla leverages kernel tracing
>> capabilities to provide precise information about the properties
>> and root causes of unexpected results.
>>
>> To start, it presents an interface to the osnoise and timerlat tracers.
>> In the future, it will also serve as home to the rtsl [1] and other
>> latency/noise tracers.
>>
>> If you just want to run it, you can download the tarball here:
>>   - https://bristot.me/files/rtla/tarball/rtla-0.3.tar.bz2
>>
>> To compile rtla on fedora you need:
>>   $ git clone git://git.kernel.org/pub/scm/libs/libtrace/libtraceevent.git
>>   $ cd libtraceevent/
>>   $ make
>>   $ sudo make install
>>   $ cd ..
>>   $ git clone git://git.kernel.org/pub/scm/libs/libtrace/libtracefs.git
>>   $ cd libtracefs/
>>   $ make
>>   $ sudo make install
>>   $ cd ..
>>   $ sudo dnf install python3-docutils procps-devel
>>   $ cd $rtla_src
>>   $ make
>>   $ sudo make install
> Add a README to the above, so that people will know what dependencies there
> are.


I agree! Will add in the next version.

Thanks Steve!

-- Daniel

> Thanks!
> 
> -- Steve
> 
>