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
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