battery stats ever since. Now my
/var/log/hjemmenett-battery-status.log file contain around 115,000
measurements, from the time the battery was working great until now,
-when it is unable to charge above 7% of original capasity. My
-colletor shell script is quite simple and look like this:</p>
+when it is unable to charge above 7% of original capacity. My
+collector shell script is quite simple and look like this:</p>
<pre>
#!/bin/sh
log_battery() {
# Print complete message in one echo call, to avoid race condition
- # when several log processes run in parallell.
+ # when several log processes run in parallel.
msg=$(printf "%s," $(date +%s); \
for f in $files; do \
printf "%s," $(cat $f); \
</pre>
<p>I wrote a small script to create a graph of the charge development
-over time. This graph depicted above show the slow death of mylaptop
+over time. This graph depicted above show the slow death of my laptop
battery.</p>
<p>But why is this happening? Why are my laptop batteries always
level, but suspect some interesting insights might be learned from
those.</p>
+<p>Update 2015-09-24: I got a tip to install the packages
+acpi-call-dkms and tlp (unfortunately missing in Debian stable)
+packages instead of the tp-smapi-dkms package I had tried to use
+initially, and use 'tlp setcharge 40 80' to change when charging start
+and stop. I've done so now, but expect my existing battery is toast
+and need to be replaced. The proposal is unfortunately Thinkpad
+specific.</p>
+
</div>
<div class="tags">
<li><a href="http://people.skolelinux.org/pere/blog/archive/2015/09/">September (2)</a></li>
+<li><a href="http://people.skolelinux.org/pere/blog/archive/2015/10/">October (9)</a></li>
+
</ul></li>
<li>2014
<li><a href="http://people.skolelinux.org/pere/blog/tags/bankid">bankid (4)</a></li>
- <li><a href="http://people.skolelinux.org/pere/blog/tags/bitcoin">bitcoin (8)</a></li>
+ <li><a href="http://people.skolelinux.org/pere/blog/tags/bitcoin">bitcoin (9)</a></li>
<li><a href="http://people.skolelinux.org/pere/blog/tags/bootsystem">bootsystem (15)</a></li>
<li><a href="http://people.skolelinux.org/pere/blog/tags/dld">dld (15)</a></li>
- <li><a href="http://people.skolelinux.org/pere/blog/tags/docbook">docbook (17)</a></li>
+ <li><a href="http://people.skolelinux.org/pere/blog/tags/docbook">docbook (20)</a></li>
<li><a href="http://people.skolelinux.org/pere/blog/tags/drivstoffpriser">drivstoffpriser (4)</a></li>
- <li><a href="http://people.skolelinux.org/pere/blog/tags/english">english (288)</a></li>
+ <li><a href="http://people.skolelinux.org/pere/blog/tags/english">english (293)</a></li>
<li><a href="http://people.skolelinux.org/pere/blog/tags/fiksgatami">fiksgatami (23)</a></li>
<li><a href="http://people.skolelinux.org/pere/blog/tags/fildeling">fildeling (12)</a></li>
- <li><a href="http://people.skolelinux.org/pere/blog/tags/freeculture">freeculture (19)</a></li>
+ <li><a href="http://people.skolelinux.org/pere/blog/tags/freeculture">freeculture (24)</a></li>
<li><a href="http://people.skolelinux.org/pere/blog/tags/freedombox">freedombox (9)</a></li>
<li><a href="http://people.skolelinux.org/pere/blog/tags/multimedia">multimedia (36)</a></li>
- <li><a href="http://people.skolelinux.org/pere/blog/tags/norsk">norsk (264)</a></li>
+ <li><a href="http://people.skolelinux.org/pere/blog/tags/norsk">norsk (268)</a></li>
<li><a href="http://people.skolelinux.org/pere/blog/tags/nuug">nuug (177)</a></li>
- <li><a href="http://people.skolelinux.org/pere/blog/tags/offentlig innsyn">offentlig innsyn (19)</a></li>
+ <li><a href="http://people.skolelinux.org/pere/blog/tags/offentlig innsyn">offentlig innsyn (20)</a></li>
<li><a href="http://people.skolelinux.org/pere/blog/tags/open311">open311 (2)</a></li>
- <li><a href="http://people.skolelinux.org/pere/blog/tags/opphavsrett">opphavsrett (53)</a></li>
+ <li><a href="http://people.skolelinux.org/pere/blog/tags/opphavsrett">opphavsrett (54)</a></li>
- <li><a href="http://people.skolelinux.org/pere/blog/tags/personvern">personvern (86)</a></li>
+ <li><a href="http://people.skolelinux.org/pere/blog/tags/personvern">personvern (88)</a></li>
<li><a href="http://people.skolelinux.org/pere/blog/tags/raid">raid (1)</a></li>
<li><a href="http://people.skolelinux.org/pere/blog/tags/scraperwiki">scraperwiki (2)</a></li>
- <li><a href="http://people.skolelinux.org/pere/blog/tags/sikkerhet">sikkerhet (41)</a></li>
+ <li><a href="http://people.skolelinux.org/pere/blog/tags/sikkerhet">sikkerhet (43)</a></li>
<li><a href="http://people.skolelinux.org/pere/blog/tags/sitesummary">sitesummary (4)</a></li>
<li><a href="http://people.skolelinux.org/pere/blog/tags/stavekontroll">stavekontroll (3)</a></li>
- <li><a href="http://people.skolelinux.org/pere/blog/tags/stortinget">stortinget (9)</a></li>
+ <li><a href="http://people.skolelinux.org/pere/blog/tags/stortinget">stortinget (10)</a></li>
- <li><a href="http://people.skolelinux.org/pere/blog/tags/surveillance">surveillance (33)</a></li>
+ <li><a href="http://people.skolelinux.org/pere/blog/tags/surveillance">surveillance (35)</a></li>
<li><a href="http://people.skolelinux.org/pere/blog/tags/sysadmin">sysadmin (2)</a></li>