# Re: \[PATCH v8 03/12\] selftests: add tests\_sysfs module

- From: Luis Chamberlain \<mcgrof@kernel.org\>
- Date: 2021-10-11 19:11:45 
- List: linux-block
- Page: https://ratatoskr.run/linux-block/2021/10/215714
- Thread: https://ratatoskr.run/linux-doc/2021/09/215052/t.md

```text
On Thu, Oct 07, 2021 at 04:23:22PM +0200, Miroslav Benes wrote:
> On Mon, 27 Sep 2021, Luis Chamberlain wrote:
> 
> > This adds a new selftest module which can be used to test sysfs, which
> > would otherwise require using an existing driver. This lets us muck
> > with a template driver to test breaking things without affecting
> > system behaviour or requiring the dependencies of a real device
> > driver.
> > 
> > A series of 28 tests are added. Support for using two device types are
> > supported:
> > 
> >   * misc
> >   * block
> 
> I suppose the selftests will run for more than 45 seconds (default 
> kselftest timeout), so you probably also want to set timeout to something 
> sensible in tools/testing/selftests/sysfs/settings file (0 would disable 
> it).

Good catch, I'll use a default of 200, in practice for me this runs in
much less than that, about 110 seconds, so 200 should be good wiggle
room.

  Luis
```