Hi, Niels.
On Sep 07 2009, Niels S. Eliasen wrote:
and yes! i
the iSCSI is overkill... but I intend to use it ... " a little
later" ....
The best thing is to isolate the unneeded parts all at once and go on
turning them on one by one.
Also, it would be useful if you could drop into single user mode to
get
rid of all those Desktop Environment crap.
appletalk 33012 20
Do you need appletalk?
lp 13388 0
parport 40176 1 lp
I'm not sure if parport on such a notebook is needed.
autofs4 22788 0
Do you need autofs4?
cpufreq_userspace 6776 0
cpufreq_stats 7908 0
cpufreq_ondemand 10624 0
cpufreq_powersave 5280 0
cpufreq_conservative 10144 0
Unfortunately, the ondemand and conservative drivers most probably
won't
work with your computer (it may complain about too high latency to
switch speeds---heck it even does that on my Pentium D 805).
nfsd 222456 17
Are you serving any nfs clients from this machine?
nfs 262224 0
Are you using any nfs servers from this machine?
ext2 73256 1
Which filesystems are you using? Ext2? Ext3? You can drop the unneeded
modules.
lm75 9744 0
I'm not really sure about lm75 on an Apple Mac.
airport 8512 0
orinoco 40692 1 airport
hermes 10528 2 airport,orinoco
Do you have a standard airport card? (802.11b)
sbp2 23116 0
Are you using Firewire for the moment?
dm_mirror 20608 0
(...)
raid10,raid456,raid1,raid0,multipath,linear
Are you using any kind of redundancy (RAID) on your powerbook?
50,1% ( 53,9) <interrupt> : 1 Level VIA-PMU
7,8% ( 8,4) <interrupt> : 1 Level ide1
You seem to have many access to the disk. Perhaps, you could track
down
what is using the disc with:
echo 1 > /proc/sys/vm/block_dump
(Warning, this may generate copious amounts of output!)
1,4% ( 1,5) mysqld : schedule_timeout (process_timeout)
Do you need an SQL server on your notebook?
0,9% ( 1,0) apache2 : schedule_timeout (process_timeout)
A webserver?
0,9% ( 0,9) dovecot : schedule_timeout (process_timeout)
A mailserver?
0,5% ( 0,5) spamd : schedule_timeout (process_timeout)
A spam classifier?
0,4% ( 0,5) mt-daapd : do_nanosleep (hrtimer_wakeup)
A DAAP server?
0,1% ( 0,1) amavisd-new : schedule_timeout (process_timeout)
An anti-virus checker?
echo 1500 > /proc/sys/vm/dirty_writeback_centisecs
mount -o remount,noatime /
hal-disable-polling --device /dev/cdrom
Those suggestions from powertop are very good measures to take if you
are chasing something that you don't really understand.
Anyway, I suggest that you think about the points that I listed above
(after all, you know your needs). There's no need to justify your
uses.
I'm just bringing them to your attention.
OTOH, seeing if the fan is turned on even when you remove some modules
and in single user mode would help a lot (as root, run: "telinit 1").
Running powertop while in single user mode would also help.
Regards, Rogério Brito.
--
Rogério Brito : rbrito@{mackenzie,ime.usp}.br : GPG key 1024D/7C2CAEB8
http://www.ime.usp.br/~rbrito : http://meusite.mackenzie.com.br/rbrito
Projects: algorithms.berlios.de : lame.sf.net : vrms.alioth.debian.org
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