* Willy Tarreau <[EMAIL PROTECTED]> wrote: > I promised to perform some tests on your code. I'm short in time right > now, but I observed behaviours that should be commented on.
thanks for the feedback! > 3) CFS-v4 > > Feels even better, mouse movements are very smooth even under high > load. I noticed that X gets reniced to -19 with this scheduler. I've > not looked at the code yet but this looked suspicious to me. I've > reniced it to 0 and it did not change any behaviour. Still very > good. The 64 ocbench share equal CPU time and show exact same > progress after 2000 iterations. The CPU load is more smoothly spread > according to vmstat, and there's no idle (see below). BUT I now > think it was wrong to let new processes start with no timeslice at > all, because it can take tens of seconds to start a new process when > only 64 ocbench are there. [...] ok, i'll modify that portion and add back the 50%/50% parent/child CPU time sharing approach again. (which CFS had in -v1) That should not change the rest of your test and should improve the task startup characteristics. Ingo - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/