olpc-logbat data collector(s)?
Richard A. Smith
richard at laptop.org
Mon Feb 4 01:07:14 EST 2008
Martin Dengler wrote:
> On Sat, Feb 02, 2008 at 01:30:19PM -0500, Walter Bender wrote:
>> 6. Power profiling: . . . We can use
>> much more data—please run the script yourself and send us the CSV
>> files that it generates.
> I've made a load of logs available at
> http://www.xades.com/proj/xo_logbat . I'm not sure to whom I should
> be emailing the logs.
That would be me. I've grabbed your logs. Thanks for the info.
Where are you running olpc-logbat from? You machine never seems to go
into suspend during normal running. Are you running it from a VT or
from a terminal activity in sugar? When run from a VT the activity will
keep ohm from trying to suspend the laptop. I see times when there are
large gaps where I think you have closed the lid but no shorted gaps
that indicate a suspend. I haven't looked at all the logs though.
Perhaps you just never have a period of 30 seconds of inactivity?
Oh and be sure to grab the latest build with new firmware. q2d10 is
doing doing quite badly in a few of those logs.
The OLPC News post wasn't quite specific enough about the type of data I
need. The data I would like to see is the data while on battery during
normal operation when the XO has a chance to suspend. olpc-logbat does
not produce any useful info when the battery is full and on ext power.
So the procedure would be:
Charge up the battery.
run the sugar terminal activity
run olpc-logbat in the activity
unplug from ext power.
use the laptop normally.
You can stop olpc-logbat when you plug back up to charge. I don't need
the charge data for power profile stuff. Don't worry if you forget and
leave it running. Its easy to cut out when I analyze.
The dat I prefer to get is long continuous runs from full to empty
rather than shorter runs with a charge in the middle of them. Those are
easier to process and help show exactly what our current battery life is.
Thanks for helping to collect this info.
Richard Smith <richard at laptop.org>
One Laptop Per Child
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