On Mon, 2008-02-04 at 15:36 +0100, Lukas Hejtmanek wrote: > On Mon, Feb 04, 2008 at 12:36:36PM +0100, Peter Zijlstra wrote: > > I can't reproduce this with a pure cpu load. I started 10 > > while :; do :; done & > > instances and aside from slowing down, nothing bad happened. > > yes, while true; do true; does nothing wrong. But running make -j2 in kernel > sources or mesa sources is catastrophic. > > > May I suggest you try latency top to see if there is something in your > > build scenario that generates horrible latencies (some IO path or > > whatnot). > > see my previous mail to Ingo (you were Cc.), latency top says that Xorg and > gnome-terminal suffers 300+ms latency in scheduler: waiting for cpu.
what happens when you turn CONFIG_FAIR_GROUP_SCHED off? -- 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/
