[Bug 368809] Re: ignore_nice_load ignored in processor scaling

[Rkimber]

I've discovered that the behaviour of the CPU frequency settings has
changed.  The monitor applet offers 4 settings: "conservative",
"ondemand", "performance", and "powersave".

Previously, the "ondemand" setting only pushed cpu frequency up to 100%
when I invoked a foreground process, like indexing a lot of usenet
articles. Boinc processes niced at 19, which ran all the time, were run
at a lower frequency.

Now, "ondemand" seems to run Boinc (NI 19) at 100%, and when boinc is
not running and I invoke other processes (NI 0) it seems, subjectively,
much slower to push up to 100% than before, though that might be a
function of the monitor applet.

As far as I can see on my PC, there isn't any practical difference
between "conservative" and "powersave", nor between "ondemand" and
"performance" when I'm running something like boinc that runs
continually.

I haven't yet located the documentation that defines these governors and
how they should work.

-- 
ignore_nice_load ignored in processor scaling
https://bugs.launchpad.net/bugs/368809
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