Hi all,
sorry for posting this again (I hope whoever could comment on the
original post "just lost it" :) ).
I would appreciate anyone's thoughts on this.
Thank you,
Bou
Hi all,
On a "normal" kernel (no special tuning), kernel space tasks have more
priority than userspace ones? Is that correct?
Here is what I am experiencing and trying to find a solution.
I have an IXP425 based board, running madwifi for the Atheros cards,
acting as a wifi router. I also use userspace programs (boa http server
and cgi apps) to configure it.
When the board is on heavy load (Wireless stations connected to the
board and pass lots of traffic), my web apps run extremely slow. Even
the serial console responds that slow.
Is there a solution to this? Would CONFIG_PREEMPT help at all? Or for
something like this you have to use a RT kernel?
Assuming that the user space application can have a specific pid, is
there any "patch" that can be applied to the kernel's scheduler to give
it some more priority?
I cannot tell if this slow down occurs to kernel versus user space
priorities, or to the bunch of interrupts per second.
Cheers,
Bou
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