Re: Results: Zlatko's new vm patch

Stefan Becker (stefan@die-macht.oph.rwth-aachen.de)
Tue, 12 Jan 1999 17:09:21 +0100 (CET)


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On Mon, 11 Jan 1999, Linus Torvalds wrote:

> Date: Mon, 11 Jan 1999 21:33:08 -0800 (PST)
> From: Linus Torvalds <torvalds@transmeta.com>
> To: Steve Bergman <steve@netplus.net>
> Cc: Andrea Arcangeli <andrea@e-mind.com>,
brent verner <damonbrent@earthlink.net>,
Garst R. Reese <reese@isn.net>,
Kalle Andersson <kalle.andersson@mbox303.swipnet.se>,
Zlatko Calusic <Zlatko.Calusic@CARNet.hr>,
Ben McCann <bmccann@indusriver.com>,
bredelin@ucsd.edu,
linux-kernel@vger.rutgers.edu,
linux-mm@kvack.org,
Alan Cox <alan@lxorguk.ukuu.org.uk>,
Stephen C. Tweedie <sct@redhat.com>

Hi!

I am not a hacker but I read linux-kernel with great interest.
(maybe when I grow up I become a kernel-hacker ;-) )

> Note that there are very few people who are testing interactive feel. I'd
> be happier with more people giving more subjective comments on how the
> system feels under heavy memory load.

Yes! Interactive feel is more important for me than any benchmark result.
As I always let play x11amp my favorite music in the background, it's also
important that there are no breaks in the playback. So I booted my P166MMX
with 128MB of RAM (SCSI-only) with mem=16M (your pre7-patch applied).

Here my subjective comment:

I am running X (fvwm2), netscape, 'find /' in an xterm, x11amp,
kicq and writing this email with Pine.

There are no problems except the cursor jumps around when I am moving my
mouse (I run X with a priority of -18, a good idea?).

X11amp (suid root, the readme says that it'll run in 'realtime-mode'
then) randomly stops playing for a few milliseconds (while swapping).

Starting another xterm takes about 6 seconds. Console-switching is fast.
No need to say that netscape reacts really slowly.

Network throughput is normal I think (~620 K/sec on a 10Mbit LAN, NE2000
compatible PCI-network card).

Attached is a ps snapshot of running processes.

Btw with 128MB RAM it's hardly possible to make x11amp pausing playback.

'free' says:

total used free shared buffers cached
Mem: 14576 14192 384 6628 348 6724
-/+ buffers/cache: 7120 7456
Swap: 66460 23572 42888

I am very happy with current linux-kernels. No hang, no oops, no reboot,
no problems (and never had). Really good work!

Greetings,
Stefan

-- 
Stefan Becker (stefan@die-macht.oph.rwth-aachen.de)
Rheinisch-Westfälische Technische Hochschule Aachen, Germany
http://www.rwth-aachen.de

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