CPU utilization applets (was: Panels in Oneiric Ocelot)

Carlos J. Gil Bellosta cgb at datanalytics.com
Sat Jul 30 17:38:44 UTC 2011


I experience the same problem with the CPU (and memory) usage
indicator on Xubuntu. I had a look at the code and found a number of
efficiency savings that could go into it. For instance, you need not
rewrite the bars every quarter second, maybe just if they change by
more than, say, a 5-10%. And there are some calculations inside the C
code that could be done otherwise in order to improve performance.

I tried to contact the developer, but he never answered back, though.

Best regards,

Carlos J. Gil Bellosta

2011/7/30 Eero Tamminen <oak at helsinkinet.fi>:
> Hi,
> On lauantai 30 heinäkuu 2011, Jarno Suni wrote:
>> On Sat, Jul 30, 2011 at 2:00 AM, Eero Tamminen <oak at helsinkinet.fi> wrote:
>> > I've seen several non-technical people to like a CPU usage indicator.
>> > Especially on machines that have less RAM or are otherwise slower, it
>> > shows that machine is actually doing something as response to user
>> > actions, like starting Firefox...
>> ...CPU Graph takes several percents of CPU in older computers...
> I don't have Xubuntu myself (I've just installed & maintain it for
> relatives), so I cannot test now how much exactly each of the CPU
> utilization applets takes by default, but at least you can change
> their update intervals to something more sensible than their default
> interval.
> If I remember correctly, the CPU graph updates take ~1% of CPU
> on 1.4Ghz AMD Athlon XP, when the updates happen at 1Hz interval.
> I just don't understand why their max interval is limited to about
> 1 sec.  On older machine even a bit longer interval would be nice.
>        - Eero
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