On Tue, 2007-09-25 at 14:41 +0530, Srivatsa Vaddagiri wrote: > On Tue, Sep 25, 2007 at 02:23:29PM +0530, Srivatsa Vaddagiri wrote: > > On Tue, Sep 25, 2007 at 10:33:27AM +0200, Mike Galbraith wrote: > > > > Darn, have news: latency thing isn't dead. Two busy loops, one at nice > > > > 0 pinned to CPU0, and one at nice 19 pinned to CPU1 produced the > > > > latencies below for nice -5 Xorg. Didn't kill the box though. > > These busy loops - are they spawned by the same user? Is it the root > user? Also is this seen in UP mode also? > > Can you also pls check if tuning root user's cpu share helps? Basically, > > # echo 4096 > /proc/root_user_share > > [or any other higher value]
I'll try these after I beat on the box some more. -Mike - 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/