Messages in this thread | | | From | Con Kolivas <> | Subject | Re: [PATCH] Nick's scheduler policy v10 | Date | Wed, 3 Sep 2003 11:55:03 +1000 |
| |
On Wed, 3 Sep 2003 09:50, Nick Piggin wrote: > Martin J. Bligh wrote: > >>>Not convinced of that - mm performs worse than mainline for me. > >> > >>Well, one of Con's patches caused a lot of idle time on volanomark. > >>The reason for the change was unclear. I guess either a fairness or > >>wakeup latency change (yes, it was a very scientific process, ahem). > >> > >>Anyway, in the process of looking at the load balancing, we found > >>and fixed a problem (although it might now possibly over balance). > >>This did cure most of the idle problems. > >> > >>So it could just be small changes causing things to go out of whack. > >>I will try to get better data after (if ever) the thing is working > >>nicely on the desktop. > > > >I think Con and I worked out that the degredations I was seeing > >(on kernbench and SDET) were due to (in his words) "my hacks throwing the > >cc cpu hogs onto the expired array more frequently". > > This didn't explain the huge idle time increases on volanomark and > SPECjbb I think.
Yeah this was before the profile showed it to be idle time, and before I isolated it to Ingo's A3 patch.
Con
- 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/
| |