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

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Message-ID: <42ced9a2-f5ee-4793-683b-41c946835336@kernel.org>
Date:   Wed, 23 Mar 2022 20:52:32 +0100
From:   Daniel Bristot de Oliveira <bristot@...nel.org>
To:     Steven Rostedt <rostedt@...dmis.org>,
        Linus Torvalds <torvalds@...ux-foundation.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 20:43, Steven Rostedt wrote:
>> 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.
> Yes exactly.
> 
> Daniel, care to update the Makefile to check for libtracefs and friends and
> give a more informative message when it fails?
> 
> You can look at the trace-cmd Makefile that does so.

Working on that!

-- Daniel