linux-kernel - Re: A patch series improving data quality of perf test for CoreSight

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Date:   Wed, 13 Jul 2022 13:23:59 +0800
From:   Leo Yan <leo.yan@...aro.org>
To:     carsten.haitzler@...s.arm.com
Cc:     linux-kernel@...r.kernel.org, coresight@...ts.linaro.org,
        suzuki.poulose@....com, mathieu.poirier@...aro.org,
        mike.leach@...aro.org, linux-perf-users@...r.kernel.org,
        acme@...nel.org
Subject: Re: A patch series improving data quality of perf test for CoreSight

On Tue, Jul 12, 2022 at 02:57:36PM +0100, carsten.haitzler@...s.arm.com wrote:
> This is a prelude to adding more tests to shell tests and in order to
> support putting those tests into subdirectories, I need to change the
> test code that scans/finds and runs them.
> 
> To support subdirs I have to recurse so it's time to refactor the code to
> allow this and centralize the shell script finding into one location and
> only one single scan that builds a list of all the found tests in memory
> instead of it being duplicated in 3 places.
> 
> This code also optimizes things like knowing the max width of desciption
> strings (as we can do that while we scan instead of a whole new pass
> of opening files). It also more cleanly filters scripts to see only
> *.sh files thus skipping random other files in directories like *~
> backup files, other random junk/data files that may appear and the
> scripts must be executable to make the cut (this ensures the script
> lib dir is not seen as scripts to run). This avoids perf test running
> previous older versions of test scripts that are editor backup files
> as well as skipping perf.data files that may appear and so on.
> 
> Signed-off-by: Carsten Haitzler <carsten.haitzler@....com>

Just remind, you could use the command like below to generate patch
set with cover letter, version number, etc:

  $ git format-patch -v6 --cover-letter COMMIT_HASH -o patches/

Don't need to resend patch set for only this purpose, but it's good
later to use cover letter for description for big patch set, and
version number is important for maintainers to easily know which is
the latest version for merging your patches.

Thanks,
Leo
> 
>