On Tue, 2007-09-25 at 14:28 +0200, Mike Galbraith wrote: > On Tue, 2007-09-25 at 15:58 +0530, Srivatsa Vaddagiri wrote: > > > While I try recreating this myself, I wonder if this patch helps? > > It didn't here, nor did tweaking root's share. Booting with maxcpus=1, > I was unable to produce large latencies, but didn't try very many > things.
Easy way to make it pretty bad: pin a nice 0 loop to CPU0, pin a nice 19 loop to CPU1, then start an unpinned make.. more Xorg bouncing back and forth I suppose. se.wait_max : 14.105683 se.wait_max : 316.943787 se.wait_max : 692.884324 se.wait_max : 38.165534 se.wait_max : 732.883492 se.wait_max : 127.059784 se.wait_max : 63.403549 se.wait_max : 372.933284 -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/