linux-kernel - Re: [GIT PULL] tracing/rtla: Updates to the RTLA tool

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Message-ID: <21ebdc8c-ddf8-cd0a-b93c-5d5dd74a9a84@kernel.org>
Date:   Wed, 23 Mar 2022 20:32:59 +0100
From:   Daniel Bristot de Oliveira <bristot@...nel.org>
To:     Linus Torvalds <torvalds@...ux-foundation.org>,
        Steven Rostedt <rostedt@...dmis.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [GIT PULL] tracing/rtla: Updates to the RTLA tool

On 3/23/22 19:15, Linus Torvalds wrote:
> On Mon, Mar 21, 2022 at 7:30 AM Steven Rostedt <rostedt@...dmis.org> wrote:
>>
>> I'm sending this as a separate pull request from my normal tracing tree, as
>> it had dependencies to commits in your tree but not in my development
>> branch. As it only affects the tools/ directory, I kept it separate as it
>> has no changes to the kernel itself.
> 
> Yes, please keep the tooling updates separate from the kernel ones,
> the way we now for some time have for the perf tooling too.
> 
> That said, mentioning the perf tools, I wish the tracing tools would
> do a bit more package checking and helpful error messages too, rather
> than just fail with
> 
>     fatal error: tracefs.h: No such file or directory
> 
> when (presumably) libtracefs and friends are needed.
> 
> Hmm?

Yes, we need to improve the Makefile.

It depends on procps-ng-devel and python3-docutils packages and the latest
libtracefs (1.3) and libtraceevent (1.5). There is info about it in the README,
but we definitely need to improve the Makefile... I will prioritize that.

-- Daniel
>               Linus