Re: 2.4.0test9 vm: disappointing streaming i/o under load

Rik van Riel
2000-10-13T16:57:01Z

On Wed, 11 Oct 2000, Chris Evans wrote:

> Perhaps I'm just asking too much, booting with mem=32M. No point
> testing the new VM with a 128Mb desktop, though; it wouldn't
> break a sweat!
>
> 2.2 (RH7.0 kernel) does skip less, though, and the duration of
> skip is less.
>
> Perhaps the two kernels have different elevator settings?

That too. And you just -might- be catching a boundary condition
of the drop-behind code (if the audio isn't kept mapped by any
of the processes, but is left to sit in a file which is write()n
to by one process and is read() by the other).

regards,

Rik
--
"What you're running that piece of shit Gnome?!?!"
-- Miguel de Icaza, UKUUG 2000

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