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SubjectRe: Results: Zlatko's new vm patch


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

PID TTY STAT TIME COMMAND
1 ? S 0:00 init [3]
2 ? SW 0:00 (kflushd)
3 ? SW 0:00 (kswapd)
8 ? S 0:00 update (bdflush)
58 ? SW 0:00 (klogd)
60 ? S 0:00 /usr/sbin/syslogd
68 ? S 0:00 /usr/sbin/rpc.mountd
70 ? S 0:00 /usr/sbin/rpc.nfsd
72 ? SW 0:00 (rpc.ugidd)
79 ? S 0:00 /usr/sbin/httpd -f /etc/httpd/httpd.conf
91 ? S 0:00 /usr/sbin/cron
95 ? S 0:00 /usr/sbin/inetd
98 ? SW 0:00 (lpd)
100 ? S 0:00 /usr/sbin/lpd
105 ? SW 0:02 (sshd)
107 ? S 0:00 (sendmail)
113 ? SW 0:00 (miniserv.pl)
116 ? S 0:00 /usr/local/bin/fetchmail -d 30
120 ? SW 0:00 (xdm)
121 1 SW 0:00 (mingetty)
122 2 SW 0:00 (mingetty)
123 3 SW 0:00 (mingetty)
124 4 SW 0:00 (mingetty)
125 5 SW 0:00 (mingetty)
126 6 SW 0:00 (mingetty)
127 8 S 0:02 /usr/bin/procinfo -bDn1 -F/dev/tty8
129 ? S < 2:49 /usr/X11R6/bin/X :0 vt07 -quiet -auth /var/lib/xdm/authdir/a
130 ? SW 0:00 (xdm)
170 ? S 0:00 xterm -sb +s -bd darkgrey -bg black -fg white -geometry 105x
188 ? S 0:08 x11amp
191 ? S 0:00 x11amp
204 ? S 0:53 xterm -sb +s -bd darkgrey -bg black -fg white -geometry 80x5
212 p1 S 0:00 bash
247 ? S 0:02 xterm -sb +s -bd darkgrey -bg black -fg white -geometry 90x4
317 ? S N 0:00 x11amp
321 p1 R 0:00 ps ax
64 ? SW 0:00 (portmap)
88 ? SW 0:00 (atd)
82 ? S 0:00 (httpd)
83 ? S 0:00 (httpd)
84 ? S 0:00 (httpd)
85 ? S 0:00 (httpd)
86 ? S 0:00 (httpd)
203 ? S 0:00 (httpd)
143 ? S 0:01 fvwm2
167 ? S N 0:00 xscreensaver
168 ? S 0:00 /usr/local/lib/pland -k
169 ? S 0:00 oclock -bd grey -bg black -fg white -transparent -geometry 6
171 p0 S 0:00 tail --lines=100 -f /var/log/messages
175 ? SW 0:00 (sh)
185 ? S 4:13 /tmp/netscape -no-about-splash
187 ? S 0:02 x11amp
190 ? Z 0:00 (netscape <zombie>)
205 p1 SW 0:00 (bash)
245 ? SW 0:02 (kicq)
248 p2 S 0:08 (pine)
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