On 9/17/07, Ingo Molnar <mingo@elte.hu> wrote:Sorry it took so long for me to get back. Ok, to start the dmesg output for 2.6.22-ck1 is attached. The relevant lines seem to be: [ 27.691348] checking TSC synchronization [CPU#0 -> CPU#1]: passed. [ 27.995427] Time: tsc clocksource has been installed. I've updated to the latest sched-devel git, and applied the patch above. I ran it through the same tests, but this time only while bound to a single core. Some selected numbers: lat_ctx -s 0 $i (the left most number is $i): 15 3.09 16 3.09 17 3.11 18 3.07 19 2.99 20 3.09 21 3.05 22 3.11 23 3.05 24 3.08 25 3.06 hackbench $i: 80 11.720 81 11.698 82 11.888 83 12.094 84 12.232 85 12.351 86 12.512 87 12.680 88 12.736 89 12.861 90 13.103 pipe-test (the left most number is the run #): 1 8.85 2 8.80 3 8.84 4 8.82 5 8.82 6 8.80 7 8.82 8 8.82 9 8.85 10 8.83 Once again, graphs: http://www.healthcarelinen.com/misc/benchmarks/BOUND_PATCHED_lat_ctx_benchmark.png http://www.healthcarelinen.com/misc/benchmarks/BOUND_PATCHED_hackbench_benchmark.png http://www.healthcarelinen.com/misc/benchmarks/BOUND_PATCHED_pipe-test_benchmark.png I saw in your other email that you'd like for me to try with CONFIG_PREEMPT disabled. I should have a chance to try that very soon. Regards, Rob
| Greg Kroah-Hartman | [PATCH 005/196] Chinese: add translation of SubmittingDrivers |
| Christian Kujau | 2.6.20.4: NETDEV WATCHDOG and lockups |
| Tarkan Erimer | Re: Dual-Licensing Linux Kernel with GPL V2 and GPL V3 |
| Jack Steiner | Re: [patch] my mmu notifiers |
git: | |
| Gerrit Renker | [PATCH 27/37] dccp: Integration of dynamic feature activation - part 2 (server side) |
| Arjan van de Ven | Re: [GIT]: Networking |
| Jarek Poplawski | [PATCH] pkt_sched: Destroy gen estimators under rtnl_lock(). |
| Jens Axboe | Re: [BUG] New Kernel Bugs |
| YAMAMOTO Takashi | removing VOPs |
| Lennart Augustsson | Re: FreeBSD 5/6/7 kernel emulator for NetBSD 2.x |
| Daniel Carosone | Re: direct I/O |
| Brian Buhrow | Re: /sbin/reboot and secmodel |
