Messages in this thread | | | Date | Wed, 28 Dec 2005 20:45:12 +0100 | From | Paolo Ornati <> | Subject | Re: [SCHED] Totally WRONG prority calculation with specific test-case (since 2.6.10-bk12) |
| |
On Thu, 29 Dec 2005 00:38:08 +1100 Peter Williams <pwil3058@bigpond.net.au> wrote:
> Thanks for this data. It will enable me to make some mods to the > spa_xxx and zaphod schedulers.
Ok, but keep in mind that these numbers are just "snapshots". With almost all schedulers the priority of the CPU-eater transcode and other processes fluctuate a bit (an exception here is nicksched, that gives priority 40 to transcode and never change it).
It seems also that small variation of the priority can affect seriously my DD test case running time (expecially, I think, with schedulers that give to "transcode" a better-or-equal priority than "dd" --> ingosched/staircaise).
This is another mail in witch you weren't in CC that explains it better:
http://www.ussg.iu.edu/hypermail/linux/kernel/0512.3/0647.html
-- Paolo Ornati Linux 2.6.15-rc7-plugsched on x86_64 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |