Gavin W. Burris on 6 Oct 2010 06:27:17 -0700

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Re: [PLUG] Asus Eee 901 + Crunchbang! 9.04 + Google Chrome = Yummy goodness

Hey Z,

You might also want to try some of these tweaks I do on my netbook.
These are mostly for power saving or the SSD.  I put them in the
/etc/rc.local script.  Cheers.

### some power & disk saving tweaks
echo noop > /sys/block/sda/queue/scheduler
echo 0 > /proc/sys/vm/swappiness
echo 50 > /proc/sys/vm/vfs_cache_pressure
echo 1500 > /proc/sys/vm/dirty_writeback_centisecs
echo 20 > /proc/sys/vm/dirty_ratio
echo 10 > /proc/sys/vm/dirty_background_ratio
echo 1 > /sys/devices/system/cpu/sched_smt_power_savings
#echo 10 > /sys/module/snd_hda_intel/parameters/power_save
echo 0 > /sys/module/snd_hda_intel/parameters/power_save
echo 5 > /proc/sys/vm/laptop_mode
#echo ondemand > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
#echo ondemand > /sys/devices/system/cpu/cpu1/cpufreq/scaling_governor
#cat /sys/devices/system/cpu/cpu0/cpufreq/ondemand/sampling_rate_max >
echo min_power > /sys/class/scsi_host/host0/link_power_management_policy
ethtool -s eth0 wol d
for I in `find /sys -name autosuspend -exec echo {} \;` ; do echo "0" >
"$I" ; done
#modprobe sdhci

On 10/05/2010 11:48 PM, wrote:
> OK, so I got myself a factory refurbed Asus Eee 901 a year or so back. I
> knew it was an early-generation netbook, + hardly a screamer (900 MHz
> Celeron chip, so-so 4 GB SSD drive, upgraded to 1 GB RAM). But, what the
> heck, for <$200 for the whole thing, counting a few SD cards and an
> aftermarket case, it was a nice toy. All of my home PCs are named after
> characters from Calvin + Hobbes, and, since this was by far the smallest
> one, I named it, naturally, Stupendous Man.
> The box came pre-loaded w/Xandros linux. Well, that went out the window
> right away. I decided to experiment w/various other distros, which is
> insanely easy to do w/a 2 GB USB flash drive. I tried bunches, from the
> oddly-named Easy Peasy to Puppeee, but settled on Crunchbang! (the
> exclamation point is part of the name). Basically, #! is a stripped down
> version of Ubuntu using the OpenBox GUI. That struck me as a perfect
> combination of speed, minimal but useful graphics, and tweakability
> (Openbox is fun to customize). But Web performance lagged. I figured
> that there was nothing I could do about it.
> But, then I loaded the official package of the Google Chrome browser (as
> opposed to the OS, which I've also tried in early released). The
> difference in performance between this + Firefox is incredible. I knew
> Chrome had a rep of being lighter + faster than Firefox, but never saw
> how much lighter faster until I compared them on a PC as slow as this
> one. Now, well, I have little reason to complain at all about Stupendous
> Man's performance any longer. It even handles streaming video reasonably
> well.
> Good stuff, and highly recommended as a combination for other
> less-capable rigs.
> -Z
> ___________________________________________________________________________
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Gavin W. Burris
Senior Systems Programmer
Information Security and Unix Systems
School of Arts and Sciences
University of Pennsylvania
Philadelphia Linux Users Group         --
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