Messages in this thread | | | Date | Tue, 12 Jun 2007 10:57:30 +0200 | From | Ingo Molnar <> | Subject | Re: call for more SD versus CFS comparisons (was: Re: [ck] Mainline plans) |
| |
* Ingo Molnar <mingo@elte.hu> wrote:
> * Tobias Gerschner <tobias.gerschner@gmail.com> wrote: > > > I did run massive_intr.c for 60 secs with increasing nproc ( > > 10,20,30,40,50,60) waiting for effects. > > > > Below a small table of the results > > > > 2.6.21.1-cfs-v16 > > > > nproc , usability result > > > > 10 , serious frame drops , Firefox hardly recognizes clicked links, > > but still usable > > 20 - 30, usability loss ( somehow under cfs firefox never finished > > user requests like displaying web pages or opening new pages , no > > feedback anymore, sudden changes on the desktop ) > > ouch! The expected load-testing result under CFS should be something > like this: > > http://bhhdoa.org.au/pipermail/ck/2007-June/007817.html
i have just tried the same workload with cfs and with sd048 from -ck, and cannot reproduce this. To make sure it's not some other change in -ck, could you try the pure SD patches ontop of 2.6.21.1 too:
http://www.kernel.org/pub/linux/kernel/people/ck/patches/2.6/2.6.21/2.6.21-ck2/patches/2.6.21-sd-0.48.patch http://www.kernel.org/pub/linux/kernel/people/ck/patches/2.6/2.6.21/2.6.21-ck2/patches/sched-sd-0.48-interactive_tunable.patch
Ingo - 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/
| |