Messages in this thread | | | Subject | Re: [RFD] 'nice' attribute for executable files | From | Lee Revell <> | Date | Wed, 30 Mar 2005 16:03:56 -0500 |
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On Wed, 2005-03-30 at 18:07 +0200, Wiktor wrote: > Bodo Eggert wrote: > > Wiktor <victorjan@poczta.onet.pl> wrote: > >>so i thought that it would be nice to add an attribute to file > >>(changable only for root) that would modify nice value of process when > >>it starts. if there is one byte free in ext2/3 file metadata, maybe it > >>could be used for that? i think that it woundn't be more dangerous than > >>setuid bit. > > > > I guess there should be a maximum renice value ulimit instead, which would > > allow running allmost any user task on a higher nice level, except the > > important stuff, with the additional benefit of being able to temporarily > > renice some tasks until the more important work is done. > > > > I remember something similar being discussed for realtime tasks, but I don't > > remember the outcome. > > my xmms problem is unimportant here, i've posted this thread to propose > some new feature in filesystem, not to solve problem with multimedia player! > > max renice ulimit is quite good idea, but it allows to change nice of > *any* process user has permissions to. it could be implemented also, but > the idea of 'nice' file attribute is to allow *only* some process be > run with lower nice. what's more, that nice would be *always* the same > (at process startup)!
Please see the voluminous realtime-lsm threads for some objections to this approach.
Lee
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