Messages in this thread | | | Date | Tue, 16 Nov 2010 14:12:33 -0500 | From | Vivek Goyal <> | Subject | Re: [RFC/RFT PATCH v3] sched: automated per tty task groups |
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On Tue, Nov 16, 2010 at 01:57:33PM -0500, Stephen Clark wrote: > On 11/16/2010 01:16 PM, Lennart Poettering wrote: > >On Tue, 16.11.10 09:11, Linus Torvalds (torvalds@linux-foundation.org) wrote: > > > >>On Tue, Nov 16, 2010 at 9:03 AM, Lennart Poettering > >><mzxreary@0pointer.de> wrote: > >>>Binding something like this to TTYs is just backwards. > >>Numbers talk, bullshit walks. > >> > >>The numbers have been quoted. The clear interactive behavior has been seen. > >Here's my super-complex patch btw, to achieve exactly the same thing > >from userspace without involving any kernel or systemd patching and > >kernel-side logic. Simply edit your own ~/.bashrc and add this to the end: > > > > if [ "$PS1" ] ; then > > mkdir -m 0700 /sys/fs/cgroup/cpu/user/$$ > > echo $$> /sys/fs/cgroup/cpu/user/$$/tasks > > fi > > > >Then, as the superuser do this: > > > > mount -t cgroup cgroup /sys/fs/cgroup/cpu -o cpu > > mkdir -m 0777 /sys/fs/cgroup/cpu/user > > > >Done. Same effect. However: not crazy. > > > >I am not sure I myself will find the time to prep some 'numbers' for > >you. They'd be the same as with the kernel patch anyway. But I am sure > >somebody else will do it for you... > > > >Lennart > > > So you have tested this and have a nice demo and numbers to back it up?
I just modified my .bashrc and for my each ssh session, it seems to be working fine and creating a cgroup as soon as I ssh into the box.
Just that it will need little modification to reap the group automatically when shell exits.
Thanks Vivek
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