Re: [Libreoffice] Setting up a non-intrusive build cluster

I played with the utmp stuff, and it records the shells only, not the
interactive sessions...

Any method other than the ps trick? (which may break of process names
changes...)

Marc-André LAVERDIÈRE
"Perseverance must finish its work so that you may be mature and complete,
not lacking anything." -James 1:4
http://asimplediscipleslife.blogspot.com/
mlaverd.theunixplace.com




2011/11/23 Marc-André Laverdière <marcandre.laverdiere@gmail.com>

> Working on that... it looks simple, but the code isn't giving me what I
> expected...
> /me grumbles looking at unknown APIs...
>
>
> Marc-André LAVERDIÈRE
> "Perseverance must finish its work so that you may be mature and complete,
> not lacking anything." -James 1:4
> http://asimplediscipleslife.blogspot.com/
> mlaverd.theunixplace.com
>
>
>
>
> On Mon, Nov 21, 2011 at 7:15 AM, Lionel Elie Mamane <lionel@mamane.lu>wrote:
>
> > On Mon, Nov 21, 2011 at 11:50:52AM +0000, Michael Meeks wrote:
> > > On Sat, 2011-11-19 at 16:15 -0500, Marc-André Laverdière wrote:
> >
> > > > I am convincing some powers-that-be that having a build farm would
> > > > be good, and they are starting to listen. This would really help me
> > > > write patches for LO, as my poor computer is having impossibly long
> > > > compile cycles.
> >
> > > > There is a bunch of somewhat old Linux workstations that could
> > > > contribute to it. The concern is mostly that it should be so that the
> > > > systems should not accept jobs when users are logged in, as it may
> > > > interfere with whatever work it is that they are doing.
> >
> > Maybe more interesting than "nobody logged on" would be "system load
> > very low", e.g. "load <= 0.1*(number of cores)", possibly combined
> > with "free memory + memory used for cache >= threshold".
> >
> > >       I'm sure they'd accept a patch to add a config option to use some
> > > system heuristic before accepting a job. Of course, reliably detecting a
> > > login session is prolly quite fun in itself ;-) ps ax | grep
> > > gnome-session | kdeinit or something ?
> >
> > Nah:
> >
> >       #include <utmpx.h>
> >
> >       struct utmpx *getutxent(void);
> >       struct utmpx *getutxid(const struct utmpx *);
> >       struct utmpx *getutxline(const struct utmpx *);
> >       struct utmpx *pututxline(const struct utmpx *);
> >       void setutxent(void);
> >       void endutxent(void);
> >
> > is the POSIX/SUS interface to do that. Or just run "/usr/bin/who -q"
> > :)
> >
> > --
> > Lionel