Gowrishankar M wrote:
> From: Gowrishankar M <[email protected]>
>
> In current model, task by task we populate cgroup.
> Incase of multi-threaded task, it becomes difficult
> as we should first know about list of threads created
> and add them one by one in cgroup.
>
It was proposed to add 'procs' control file to do so long ago, but there
is a big issue, that there is no way to do it atomically, i.e you may
success to move some threads but fail for others.
You can get some information here:
https://lists.linux-foundation.org/pipermail/containers/2008-July/011747.html
> In below patch, when a thread group leader is scanned,
> belonging threads are also moved along with it, while
> populating cgroup tasks.
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