Messages in this thread | ![/](/images/icornerl.gif) | | From | (Matthias Urlichs) | Subject | Re: New buffer cache + SMP + mke2fs with 4MB success | Date | 14 Jul 1997 18:19:36 +0200 |
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Harald Koenig <koenig@tat.physik.uni-tuebingen.de> writes: > > > > All of next week will be dedicated to pre-2.0.31-3 > > we've been using this patch to run "real" background jobs, which shouldn't > compete even with "nice 19" user processes, for a long time now (both SMP > and non-SMP) with no problems at all. > Um, right, but nice-19-processes shouldn't compete (much) with nice-0 processes either. Unfortunately, they do, you get 50% CPU time for both if you wait long enough.
nova:~ 40$ ps axlr F UID PID PPID PRI NI SIZE RSS WCHAN STAT TTY TIME COMMAND 40 202 7176 7003 20 0 1304 740 0 R p5 0:49 -bash 100040 202 7175 7170 20 9 1288 832 0 R N p9 0:29 -bash
Note the identical 'PRI' values...
-- From a fallen tree, all make kindling. -- Spanish proverb -- Matthias Urlichs \ noris network GmbH / Xlink-POP Nürnberg Schleiermacherstraße 12 \ Linux+Internet / EMail: urlichs@noris.de 90491 Nürnberg (Germany) \ Consulting+Programming+Networking+etc'ing PGP: 1024/4F578875 1B 89 E2 1C 43 EA 80 44 15 D2 29 CF C6 C7 E0 DE Click <A HREF="http://info.noris.de/~smurf/finger">here</A>. 42
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