Hi Gaëtan,
I tested the RIOT hello-world- and also your simple_idle example on
different nodes that are noted as "ok" in [1] (1, 9, 35, 40, 41 45). The
spurious peaks were existent in all experiments.
Regarding the sawtooth-problem for me it still seems to be
RIOT-dependant because the sawtooth does not apply to your simple_idle
example. This questions addresses all RIOTers.
Looking forward to get helpful feedback by anyone :-)!
Cheers,
Peter
[1] https://github.com/iot-lab/iot-lab/issues/148
Am 26.04.2015 um 11:03 schrieb Gaëtan Harter:
Hi Peter,
don't worry, I think it's an IoT-Lab problem.
Some nodes have this unstable consumption graph, it's tracked on the
following issue:
https://github.com/iot-lab/iot-lab/issues/148
Can you try with one "good" node: like Grenoble 1+9+12 and see if the
problem remains?
I added iot-lab admin as CC to let us follow the discussions.
Regards,
Gaëtan - IoT-Lab team
On 04/25/2015 05:13 PM, Peter Kietzmann wrote:
Hi devs,
after measuring the consumption of an iot-lab_M3 node (on the iot-lab
testbed) I can't explain myself the graph of the measured power over
time in [1] (please note that I zoomed the plot to better visualize
the problem). It is just the normal example in
RIOT/examples/hello-word. You can find my measuring profile which I
used on the testbed in [2].
(i) There is a sawtooth-signal where one tooth lasts approx. 30 seconds
(ii) There is some kind of cycle which pulses each 1.5 seconds (This
seems to be a "known" problem of the measurement unit)
Any ideas what this is or where it comes from?
Best,
Peter
[1]
https://drive.google.com/file/d/0B2ig4jIQ4JbHSWpvaTZyOGRCb00/view?usp=sharing
[2]
https://drive.google.com/file/d/0B2ig4jIQ4JbHS3FVdTc0TnZ5eDA/view?usp=sharing
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Peter Kietzmann
Hamburg University of Applied Sciences
Dept. Informatik, Internet Technologies Group
Berliner Tor 7, 20099 Hamburg, Germany
Fon: +49-40-42875-8426
Web: http://www.haw-hamburg.de/inet
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