kernel - Regarding tools/testing/ktests or selftests

Pintu Kumar at
Thu Oct 12 09:12:55 EDT 2017

On Wed, Oct 11, 2017 at 10:21 PM, Greg KH <greg at> wrote:
> On Wed, Oct 11, 2017 at 08:38:52PM +0530, Pintu Kumar wrote:
>> Yes, I have seen many documentation and also the existing repos under selftests.
>> But my requirement is little different.
>> I think my requirement is some what similar to futex repo.
>> Currently I am trying to under it. But still I am facing some issues
>> in generating my 2 executable using kselftests.
>> Also I found that current document does not explain much about how to
>> include new tests.
>> My requirement is as follows:
>> I have a sub folders for test. Example: tools/testing/selftests/<my
>> folders>/<folder1>
> Why do you need <folder1>?  Just don't use it, you should not have so
> many files for your test that you need to break it up even more, right?
>> I have my own Makefile, and some set of C source files under folder1
>> I also have a test script under folder1, that tests 2 executable
>> generated out of 7 C files.
>> I wanted to know how to make use of selftest framework to generate
>> these 2 executable, and also execute my script to run the test.
>> I have already includes <my folders> in top level Makefile under selftests.
>> TARGETS = <my folders>
>> Do, I need to create another Makefile under <my folders> and invoke
>> folder1/Makefile from there?
>> Or is there another way?
> Try it and see!
> And post your patch to the kselftest mailing list, if you have problems
> with it.  Specifics are good, and the developers there can help you out.
> Asking vague questions without seeing the code itself lends itself to
> vague answers :)
> good luck!

Ok after doing lots of research I could able to make it working now.
Now everything is perfectly working as I expected.
I think the kselftest documentation should be updated with some examples.
I will try to update it with few examples.

Thank you!

> greg k-h

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