linux-kernel - [PATCH 0/4] ktest.pl: Updates for 6.17

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Message-ID: <20250617154303.952651744@goodmis.org>
Date: Tue, 17 Jun 2025 11:43:03 -0400
From: Steven Rostedt <rostedt@...dmis.org>
To: linux-kernel@...r.kernel.org
Cc: "John Warthog9 Hawley" <warthog9@...nel.org>,
 dhaval@...nis.ca
Subject: [PATCH 0/4] ktest.pl: Updates for 6.17


ktest.pl updates:

- Add a "-D" flag to allow overriding the content in the config file.

  Instead of having to tweak a config file for minor changes to run
  a ktest.pl execution, allow for config options to be overridden by
  the command line:

  ktest.pl -D ADD_CONFIG=/tmp/temp_config machine.conf

  The above will make ADD_CONFIG default to /tmp/temp_config

  To have it work for a specific test, add "[<test #>]" to the option:

  ktest.pl '-DBUILD_TYPE[2]=allyesconfig' machine.conf

  The above will change the BUILD_TYPE to "allyesconfig" for test 2.

  This works for temp variables as well (using ":=" instead of "=")

  ktest.pl -D 'ARCH:=arm' machine.conf

  The first "ARCH" variable will be overwritten as "arm". Note if
  there are more than one "ARCH" variables, it will not override the
  later ones.

- Check for recursion in processing default variables

  If a default variable has itself, then do not continue with it.

  ADD_CONFIG = temp_config ${ADD_CONFIG}

  Expects there to be a: ADD_CONFIG := other_config

  But if that temp variable "ADD_CONFIG" does not exist, it will use itself.
  Do not allow that.

Steven Rostedt (4):
      ktest.pl: Add -D option to override variables
      ktest.pl: Allow command option -D to override temp variables
      ktest.pl: Have -D option work without a space
      ktest.pl: Prevent recursion of default variable options

----
 tools/testing/ktest/ktest.pl | 79 ++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 76 insertions(+), 3 deletions(-)