Re: irq balancing: performance disaster

From: Arjan van de Ven (arjanv@redhat.com)
Date: Sun May 11 2003 - 04:07:47 EST

Next message: Willy Tarreau: "Re: statistics for this mailinglist"
Previous message: Geert Uytterhoeven: "Re: [PATCH] kbuild/kbuild for USB Gadgets (6/6)"
In reply to: Jos Hulzink: "irq balancing: performance disaster"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

On Sun, 2003-05-11 at 01:18, Jos Hulzink wrote:
> Hi,
>
> While tackling bug 699, it became clear to me that irq balancing is the cause
> of the performance problems I, and all people using the SMP kernel Mandrake
> 9.1 ships, are dealing with. I got the problems with 2.5.69 too. After
> disabling irq balancing, the system is remarkably faster, and much more
> responsive.
>
> For those interested in the issue, please look at bug 699.

please try the following app instead:

http://people.redhat.com/arjanv/irqbalance/

the in kernel irqbalancer in 2.4 kernels has some worst case behaviors
at least, and the userspace implementation avoids those.

application/pgp-signature attachment: This is a digitally signed message part

-
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/

Next message: Willy Tarreau: "Re: statistics for this mailinglist"
Previous message: Geert Uytterhoeven: "Re: [PATCH] kbuild/kbuild for USB Gadgets (6/6)"
In reply to: Jos Hulzink: "irq balancing: performance disaster"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

This archive was generated by hypermail 2b29 : Thu May 15 2003 - 22:00:35 EST