Expensive fuser in progress_bar.sh

George Boudreau georgeb at linuxfromscratch.org
Wed Jun 28 11:05:50 PDT 2006

Dan Nicholson wrote:
> On 6/28/06, M.Canales.es <manuel at linuxfromscratch.org> wrote:
>> El Lunes, 26 de Junio de 2006 15:35, Dan Nicholson escribió:
>> > Attached is one solution that is working on my box (so far).  The
>> > whole system is noticeably less sluggish while building.  `top' looks
>> > normal again.
>> That have a big bug: if the build of some target fails (or you press
>> Control-C), progress-bar.sh will loop for ever in the background.
> That's why I added "rm -f /tmp/jhalfs.*" to the traps in master.sh.
> Would that not work?
   ah.. the big question. Are the error routines defined in 'master.sh' 
inherited by 'make' and then passed to the spawned script 
'progress_bar.sh'. --Don't think so.
   Master.sh routines are definitely not available when 'make' is 
executed manually.

>> I will see if we can do the exit tests each second instead of each 120
>> milliseconds, But that could need a "sleep 1.2" instead current "sleep 
>> .25"
> It just has to be a different test than running fuser.  It
> considerably slowed down my build.  With jhalfs, 1 SBU = 19m.  Without
> jhalfs, 1 SBU = 10m.  gcc took forever.
> -- 
> Dan

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