linux-kernel - Re: [PATCH 1/6] perf config: Add support for getting config key-value pairs

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Date:   Mon, 28 Nov 2016 18:02:36 +0900
From:   Taeung Song <treeze.taeung@...il.com>
To:     Arnaldo Carvalho de Melo <arnaldo.melo@...il.com>
Cc:     linux-kernel@...r.kernel.org, Jiri Olsa <jolsa@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Ingo Molnar <mingo@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Wang Nan <wangnan0@...wei.com>,
        Nambong Ha <over3025@...il.com>, Wookje Kwon <aweee0@...il.com>
Subject: Re: [PATCH 1/6] perf config: Add support for getting config key-value
 pairs

Good morning!! Arnaldo :)


On 11/15/2016 12:50 AM, Arnaldo Carvalho de Melo wrote:
> Em Fri, Nov 04, 2016 at 03:44:17PM +0900, Taeung Song escreveu:
>> Add a functionality getting specific config key-value pairs.
>> For the syntax examples,
>>
>>     perf config [<file-option>] [section.name ...]
>>
>> e.g. To query config items 'report.queue-size' and 'report.children', do
>>
>>     # perf config report.queue-size report.children
>
> So, I'm applying it, but while testing I noticed that it shows only the
> options that were explicitely set:
>
> [acme@...et linux]$ perf config report.queue-size report.children
> report.children=false
> [acme@...et linux]$
>
> Perhaps we should, in a follow up patch, show this instead:
>
> [acme@...et linux]$ perf config report.queue-size report.children
> report.children=false
> # report.queue-size=18446744073709551615 # Default, not set in ~/.perfconfig
> [acme@...et linux]$
>
> ?
>
> - Arnaldo

To also show default config values, first of all,
I think we should have default config arrays.

So I sent v9 PATCH mail for default config arrays!
If you review the patchset, I'd appreciate it! :)


Thanks,
Taeung