Quoting Jeff Liu (jeff.liu@xxxxxxxxxx): > On 01/15/2013 02:34 PM, Serge Hallyn wrote: > > Quoting Jeff Liu (jeff.liu@xxxxxxxxxx): > >> On 01/15/2013 02:25 PM, Serge Hallyn wrote: > >>> Quoting Jeff Liu (jeff.liu@xxxxxxxxxx): > >>>> Hello, > >>>> > >>>> Currently, the pid list shown on cgroup->procs & tasks is in ascending order. However, this list is not > >>>> guaranteed to be sorted according to the following records mentioned at Documentation/cgroups/cgroups.txt. > >>>> > >>>> - tasks: list of tasks (by PID) attached to that cgroup. This list > >>>> is not guaranteed to be sorted. > >>>> - cgroup.procs: list of thread group IDs in the cgroup. This list is > >>>> not guaranteed to be sorted or free of duplicate TGIDs, and userspace > >>>> should sort/uniquify the list if this property is required. > >>>> > >>>> This patch remove the sorting function to make the default behavior of pid list be consistent with > >>>> the document. > > > > ... > > > > I've gotta say, as someone who tends to play with those files by hand, I > > don't mind not having to type | sort | uniq every time. > > I did this for two reasons, one is for the documents, another is per > Cgroup TODO list from Tejun -- https://lkml.org/lkml/2012/9/13/542 > > . Misc issues > > * Sort & unique when listing tasks. Even the documentation says it > doesn't happen but we have a good hunk of code doing it in > cgroup.c. I'm gonna rip it out at some point. Again, if you > don't like it, scream. Yeah, I figured, and since he also wants to move to a place where cgroups are always manipulated using a library, not by hand, it would make sense to get rid of the overhead there. I just don't really like either one of those :) And in the list of things to clean up in cgroups, this seems like one that can wait. -serge -- To unsubscribe from this list: send the line "unsubscribe cgroups" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
