Tested the Maverick kernel in proposed. While I am not seeing much improvement, the kernel at least doesn't break other things.
The following is the results of testing on a PATA drive in an external enclosure: -- BEFORE -- Linux panda5 2.6.35-903-omap4 #24-Ubuntu SMP PREEMPT Thu Sep 1 20:37:40 UTC 2011 armv7l GNU/Linux /dev/sda: Timing cached reads: 388 MB in 2.00 seconds = 193.66 MB/sec Timing buffered disk reads: 54 MB in 3.10 seconds = 17.45 MB/sec -- AFTER -- Linux panda5 2.6.35-903-omap4 #25-Ubuntu SMP PREEMPT Tue Sep 20 21:02:11 UTC 2011 armv7l GNU/Linux /dev/sda: Timing cached reads: 402 MB in 2.00 seconds = 200.71 MB/sec Timing buffered disk reads: 70 MB in 3.07 seconds = 22.83 MB/sec ** Tags removed: verification-needed-maverick ** Tags added: verification-done-maverick -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/709245 Title: ARM SMP scheduler performance bug To manage notifications about this bug go to: https://bugs.launchpad.net/linaro-ubuntu/+bug/709245/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs