On Tue, Jan 29, 2013 at 02:53:53PM -0600, Bruno Wolff III wrote:
I have just done some updates while running 3.8.0-0.rc5.git0.1.fc19.
A couple of these machines were booted with slub_debug=- . They all
seemed a bit slower (based on my watching the updates and not real
benchmarks) than with
Yeah, I had some noticable lag with 3.8.0-0.rc5.git1.1.fc19, which has
identical debug options set to the kernel you mentioned. (Rawhide
didn't go out yesterday, so I waited to turn more on).
When I booted with slub_debug=- the lag was less, but still noticable.
Seems CONFIG_PROVE_RCU might be a heavy hitter. We'll see going
I plan on enabling atomic sleep debugging today. Please keep up the
testing and reporting everyone. It's much appreciated.