Messages in this thread | | | Subject | Re: [git patches] IDE update | From | Jens Axboe <> | Date | Tue, 05 Jul 2005 15:11:35 +0200 |
| |
On Tue, 2005-07-05 at 15:02 +0200, Ondrej Zary wrote: > > Ok, looks alright for both. Your machine is quite slow, perhaps that is > > showing the slower performance. Can you try and make HZ 100 in 2.6 and > > test again? 2.6.13-recent has it as a config option, otherwise edit > > include/asm/param.h appropriately. > > > > I forgot to write that my 2.6.12 kernel is already compiled with HZ 100 > (it makes the system more responsive). > I've just tried 2.6.8.1 with HZ 1000 and there is no difference in HDD > performance comparing to 2.6.12.
OK, interesting. You could try and boot with profile=2 and do
# readprofile -r # dd if=/dev/hda of=/dev/null bs=128k # readprofile > prof_output
for each kernel and post it here, so we can see if anything sticks out.
-- Jens Axboe <axboe@suse.de>
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |