Which I/O Scheduler is in Use

[David Bandel]

On 5/17/05, Kurt Wall <kwall at kurtwerks.com> wrote:
> I've been passing elevator=deadline on the kernel command
> line, but I see no indication that it is actually in use
> from dmesg for the system log:
> 
> $ dmesg | grep -E "scheduler|elevator"
> Kernel command line: ro root=LABEL=/ elevator=deadline vga=794
>         pci=routeirq
> io scheduler noop registered
> io scheduler anticipatory registered
> io scheduler deadline registered
> io scheduler cfq registered
> 
> $ grep -E "scheduler|elevator" /var/log/messages
> May 17 00:23:46 luther kernel: Kernel command line: ro root=LABEL=/
>         elevator=deadline vga=794 pci=routeirq
> May 17 00:23:46 luther kernel: io scheduler noop registered
> May 17 00:23:46 luther kernel: io scheduler anticipatory registered
> May 17 00:23:46 luther kernel: io scheduler deadline registered
> May 17 00:23:46 luther kernel: io scheduler cfq registered
> 
> How do I find out which I/O scheduler is in use?
> 

david at tole:~$ dmesg | grep scheduler
Using anticipatory io scheduler

Ciao,

David A. Bandel
-- 
Focus on the dream, not the competition.
            - Nemesis Air Racing Team motto