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Message-ID: <20250721203739.462938756@kernel.org>
Date: Mon, 21 Jul 2025 16:37:39 -0400
From: Steven Rostedt <rostedt@...nel.org>
To: linux-kernel@...r.kernel.org
Cc: "John Warthog9 Hawley" <warthog9@...nel.org>
Subject: [for-next][PATCH 0/5] ktest.pl: Updatse for v6.17
ktest.pl updates for v6.17:
- Add new -D option that allows to override variables and options
For example:
./ktest.pl -DPATCH_START:=HEAD~1 -DOUTPUT_DIR=/work/build/urgent config
The above sets the variable "PATCH_START" to HEAD~1 and the OUTPUT_DIR
option to "/work/build/urgent".
This is useful because currently the only way to make a slight change to a
config file is by modifying that config file. For one time changes, this
can be annoying. Having a way to do a one time override from the command
line simplifies the workflow.
Temp variables (PATCH_START) will override every temp variable in the
config file, whereas options will act like a normal OVERRIDE option and
will only affect the session they define.
-DBUILD_OUTPUT=/work/git/linux.git
Replaces the default BUILD_OUTPUT option.
'-DBUILD_OUTPUT[2]=/work/git/linux.git'
Only replaces the BUILD_OUTPUT variable for test #2.
- If an option contains itself, just drop it instead of going into an
infinite loop and failing to parse (it doesn't crash, it detects the
recursion after 100 iterations anyway).
Some configs may define a variable with the same name as the option:
ADD_CONFIG := $(ADD_CONFIG)
But if the option doesn't exist, it the above will fail to parse. In these
cases, just ignore evaluating the option inside the definition of another
option if it has the same name.
- Display the BUILD_DIR and OUTPUT_DIR options at the start of every test
It is useful to know which kernel source and what destination a test is
using when it starts, in case a mistake is made. This makes it easier to
abort the test if the wrong source or destination is being used instead of
waiting until the test completes.
git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest.git
for-next
Head SHA1: 23a2d4c64e713b5645e3af8fc9da0931600ba85c
Steven Rostedt (5):
ktest.pl: Add -D option to override options
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
ktest.pl: Always display BUILD_DIR and OUTPUT_DIR at the start of tests
----
tools/testing/ktest/ktest.pl | 83 ++++++++++++++++++++++++++++++++++++++++++--
1 file changed, 80 insertions(+), 3 deletions(-)
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