On Tue, Oct 10, 2017 at 01:15:11PM +0530, Pintu Kumar wrote:
> Hi All,
>
> Is anybody familiar with ktests of selftests framework under: tool/testing/ ?
> I have some queries.
>
> 1) What is the difference between ktests and selftests ? How to choose ?
It depends on what you want to do, but usually new things go in the
selftest section.
> 2) How to invoke a test under ktests?
> For example:
> I have some user space C program, that tests some kernel driver IOCTL calls.
> I have a Makefile to build 2 executable for the tests.
> I invoke those executable from a bash shell script and execute all
> the tests.
> How can I do it automatically from ktests ?
Have you read the documentation the kernel has for this:
$ make help | grep test
Kernel selftest:
kselftest - Build and run kernel selftest (run as root)
running kselftest on it
kselftest-clean - Remove all generated kselftest files
kselftest-merge - Merge all the config dependencies of kselftest to existed
> 3) Similarly, how can I do it using selftests?
> Using selftests looks much better option for me.
> But the problem is I have some sub directories to execute the tests.
> Example:
> Under, tools/testing/selftests , I have created 2 sub folders.
> selftests/folders/folder1/
> My test setup is under: folder1
> How to invoke selftests, for folder1 ?
>
> If anybody have added new tests under ktests of selftests, please
> provide some reference.
Have you looked at the many patches in the kernel source tree that show
how the existing tests are added? That's the best thing to use as a
template.
Hope this helps,
greg k-h
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