linux-kernel - Re: [PATCH v7 3/4] libperf: tests: Add support for verbose printing

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Message-ID: <YHXqw4FQAtH/ikMJ@kernel.org>
Date:   Tue, 13 Apr 2021 16:02:27 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Rob Herring <robh@...nel.org>
Cc:     Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>, Jiri Olsa <jolsa@...hat.com>,
        linux-kernel@...r.kernel.org, Will Deacon <will@...nel.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Mark Rutland <mark.rutland@....com>,
        Namhyung Kim <namhyung@...nel.org>,
        Itaru Kitayama <itaru.kitayama@...il.com>
Subject: Re: [PATCH v7 3/4] libperf: tests: Add support for verbose printing

Em Tue, Apr 13, 2021 at 03:49:31PM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Tue, Apr 13, 2021 at 12:16:05PM -0500, Rob Herring escreveu:
> > Add __T_VERBOSE() so tests can add verbose output. The verbose output is
> > enabled with the '-v' command line option.
> 
> You forgot to show how this is used, I'm trying:
> 
>   # cd tools/lib/perf
>   # sudo make tests
> 
> So how from the command line one asks for verbose output from the tests?
> 
>   Should be:
> 
>   # sudo make tests V=1
> 

> I'm only getting a move verbose output for the Makefile steps, not from
> the actual tests.
> 
> Perhaps if I read the last cset... will do that now.

Ok, I misread, I thought that was adding a way to enable verbose mode
for _pre-existing tests_, so I tried to use it, it is only used in the
following patch...

- Arnaldo