On Fri, 26 Oct 2012, Thomas Gleixner wrote: > Dear RT Folks, > > I'm pleased to announce the 3.6.3-rt7 release. > > Changes since 3.6.3-rt6: > > * Enable SLUB for RT > > Last time I looked at SLUB for RT (some years ago) it was just > way more painful than dealing with SLAB, but Christoph Lameter > has done major surgery on the SLUB code since then and it turns > out that making SLUB usable for RT has become very simple. Thanks > Christoph! > > slab.c: 172 insertions(+), 58 deletions(-) > slub.c: 17 insertions(+), 13 deletions(-) > > I did some quick comparisons and even a simple hackbench run > shows a significant speedup with SLUB vs. SLAB on RT. I'm not too > surprised as SLUBs fastpath does not have the RT induced > contention problems which we can observe with SLAB. > > As usual, give it a good testing and report whatever explodes :) Looks like CONFIG_NUMA=y exposes explosions. I just noticed that none of the machines which are in my basic set of test systems have that enabled. /me goes to do some homework -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
