On Sat, 31 Dec 2005 13:06:04 +1100
Peter Williams <[email protected]> wrote:
> Attached is a testing version of a patch for modifying scheduler bonus
> calculations that I'm working on. Although these changes aren't
> targetted at the problem you are experiencing I believe that they may
> help. My testing shows that sched_fooler instances don't get any
> bonuses but I would appreciate it if you could try it out.
>
> It is a patch against the 2.6.15-rc7 kernel and includes some other
> scheduling patches from the -mm kernels.
Yes, this fixes both my test-case (transcode & little program), they
get priority 25 instead of ~16.
But the priority of DD is now ~23 and so it still suffers a bit:
paolo@tux /mnt $ mount space/; time dd if=space/bigfile of=/dev/null bs=1M count=128; umount space/
128+0 records in
128+0 records out
real 0m8.549s (instead of 4s)
user 0m0.000s
sys 0m0.209s
--
Paolo Ornati
Linux 2.6.15-rc7-lial on x86_64
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