Hi,
On 21.11.2017 02:39, Gordon Haverland wrote:
On Mon, 20 Nov 2017 13:25:26 +0100
Nicolai Hähnle <nhaeh...@gmail.com> wrote:
... umr does
that for the amdgpu kernel module
I downloaded the source tree, compiled umr, mounted the debugfs to use
umr, and ran
umr --top
switching to sensor mode, you could see loads. And I collected a few
second of information to a log file. Then I umounted the debugfs.
The load values can change from quite high to quite low from sampling
interval to interval. I think some kind of averaging would probably
need to be done, just taking a single load value chosen at random would
not be useful.
In a sense, temperature is going to be an average related to power
(load), so maybe just having the temperatures may be enough?
1. Temperature is affected by the temperature of the surrounding media,
power usage less so
2. Temperature sensor might not be exactly where current load is using
most power (e.g. ALUs vs. memory)
For now, I think I should collect a longer series of data, and then see
how the (moving) average behaves with respect to how many data points go
into the (moving) average.
- Eero
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