Re: elevator=as related to my performance issues

[Nick Piggin]

Antti Lankila wrote:
> I'm sorry that I can't post this mail in reply to the thread, this is
> because I'm not subscribed, so I can't reply.

[snip]

So it doesn't seem like you are losing interrupts. And
it doesn't appear to be confined to the anticpatory
scheduler - definitely nothing fundamental because setting
antic_expire = 0 still gives you problems.

The only other problems I can think of that you might be
having are chipset problems, or CPU scheduler problems.
Which reminds me, do you have your X server at nice 0?
If not, try:
renice 0 `pidof X`

and let us know how you go.
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