[Linux-kernel-mentees] Checkpatch.pl tasks for Community Bridge Program

Dwaipayan Ray dwaipayanray1 at gmail.com
Mon Oct 12 18:23:39 UTC 2020

On 12/10/20 6:27 pm, Lukas Bulwahn wrote:
> On Mon, Oct 12, 2020 at 11:38 AM Aditya Srivastava <yashsri421 at gmail.com> wrote:
>> Dear Sir/Ma'am
>> I have performed some tasks on Checkpatch.pl to find out the aggregate and summary of Errors and Warnings that have been generated on certain Linux Kernel Versions' commits . The summary of my tasks are as follows:
>> 1. Task1: Create a list of all non-merge commits that were added in the version v5.8 but were not there in v5.7. Run checkpatch.pl script on these commits and create a statistical summary of findings.
>> My findings: https://github.com/AdityaSrivast/kernel-tasks/blob/master/Task1/reports/aggregate_report/analysis/summary.txt
>> My Scripts for this task: https://github.com/AdityaSrivast/kernel-tasks/tree/master/Task1
>> 2. Task2: Test what are errors and warnings by checkpatch.pl reports on v5.6..v5.8. Generate a report with respect to changes suggested by Dwaipayan Ray (https://lore.kernel.org/linux-kernel-mentees/20201007192029.551744-1-dwaipayanray1@gmail.com/), to present the differences in a suitable aggregated form, to find out the kind of errors and warnings that are changing.
>> My Findings:
>> Change in the number of warnings and errors: https://github.com/AdityaSrivast/kernel-tasks/blob/master/Task2/reports/analysis/relative_change/summary_relative.txt
>> Individual summary report generated by checkpatch.pl:
>> After the commit: https://github.com/AdityaSrivast/kernel-tasks/blob/master/Task2/reports/analysis/after_commit/summary_after_commit.txt
>> Before the commit: https://github.com/AdityaSrivast/kernel-tasks/blob/master/Task2/reports/analysis/before_commit/summary_before_commit.txt
>> Scripts used for this task: https://github.com/AdityaSrivast/kernel-tasks/tree/master/Task2
> Your email client is broken; you cannot send emails to a kernel
> mailing list with this email setup. I will not bother to use a proper
> email client either :)
> summary at
> https://github.com/AdityaSrivast/kernel-tasks/blob/master/Task2/reports/analysis/relative_change/summary_relative.txt
> looks good.
> Dwaipayan probably needs to look into the details here.
> E.g., why did those really unrelated issues change?
> AVOID_BUG 240 239

Ya, this shouldn't happen.

I checked the reports, and the new warnings appear as expected.

Could Aditya perhaps find out which errors in this case have changed?

Regards, Dwaipayan.

> Let us see if we can make sense of this evaluation.
> Lukas

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