Re: [PATCH v9 0/9] freezer for cgroup v2

From: Roman Gushchin
Date: Mon Mar 25 2019 - 13:01:08 EST


Hello, Oleg!

Can you, please, take a look at the latest version of the patchset?
I'd really appreciate it!

Thank you!

Roman

On Sat, Mar 16, 2019 at 10:58:03AM -0700, Roman Gushchin wrote:
> This patchset implements freezer for cgroup v2.
>
> It provides similar functionality as v1 freezer, but the interface
> conforms to the cgroup v2 interface design principles, and it
> provides a better user experience: tasks can be killed, ptrace works,
> there is no separate controller, which has to be enabled, etc.
>
> Patches (1), (2) and (3) are some preparational work, patch (4) contains
> the implementation, patch (5) is a small cgroup kselftest fix,
> patch (6) covers freezer adds 6 new kselftests to cover the freezer
> functionality. Patchse (7) and (8) adding tracing points to simplify
> the debugging process. Patch (9) adds corresponding docs.
>
> v9->v8:
> - added support for vfork
> - added a kselftest test for vfork case
> - several tests fixes/improvements
> - renamed stopped* into frozen* across the patchset
> - added trace points
> - other minor fixes