trying to change IO scheduler

[Gene Heskett]

On Saturday 05 February 2005 22:21, Fernando Fernández Pedraza wrote:
>Hi folks,
>
>I've been trying to play with this new I/O scheduler thing. I'd like
>to try 'as' (anticipatory scheduler) and probably some more to see
>which one performs better in my desktop.
>
>I am running FC3 with a stock 2.6.10 kernel, the relevant .config
>lines are these:
>  CONFIG_IOSCHED_NOOP=y
>  CONFIG_IOSCHED_AS=y
>  CONFIG_IOSCHED_DEADLINE=y
>  CONFIG_IOSCHED_CFQ=y
>
>And also I remembered to activate elevator=as in grub.conf:
>  root (hd0,1)
>  kernel /boot/vmlinuz-2.6.10ffp ro root=/dev/hda2 selinux=0
> elevator=as rhgb initrd /boot/initrd-2.6.10ffp.img
>
>BUT, i think it has not worked as I wanted, the active scheduler is
> 'noop':
>
>  # cat /sys/block/hda/queue/scheduler
>  [noop]
>
>And also the running config is not exactly as desired:
>  # zcat /proc/config.gz | grep SCHED
>  CONFIG_IOSCHED_NOOP=y
>  CONFIG_IOSCHED_AS=m
>  CONFIG_IOSCHED_DEADLINE=m
>  CONFIG_IOSCHED_CFQ=m
>
>I don't know what I've done wrong. If some kernel guru is around I'd
>like some advice.
>Thanks a lot.

It sounds to me as if you are not running the kernel you built.
What does a 'uname -r' return?  And does that compare to the version 
set as the default in your grub.conf?


>--
>** las máquinas son amigas **

-- 
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