gnome-shell cpu usage during installation

[Chuck Forsberg WA7KGX N2469R]

On 06/18/2013 06:25 AM, Adam Jackson wrote:
> On Mon, 2013-06-17 at 19:23 -0600, Chris Murphy wrote:
>> While anaconda is running an installation, gnome-shell is hogging a
>> whole core on its own, and X is using about 25% of the other core. Is
>> this expected? This is on baremetal, with a nouveau supported GPU:
>> NVIDIA Corporation G84M [GeForce 8600M GT] [10de:0407]. I wouldn't
>> expect gnome-shell to need to fall back to a rendering method that'd
>> be this CPU intensive.
> I assume you mean the live installer by this, as the normal anaconda
> doesn't run gnome-shell at all.  A compositor has some of the same
> properties as the X server itself: it _has_ to respond when an app draws
> something, otherwise the bits don't show up on the screen.  So it's
> possible that what you're seeing there is anaconda updating the screen
> "often" (more than 60fps, at least), and X and the shell struggling to
> keep up.
>
> But this is what profilers are for.
>
> - ajax
>
I did a pxeboot install of today's rsync using the anaconda from TC5.
I ran top(1) during the install and did not notice any unusual CPU 
utilization.
This is on a 32 GB 3770K.

-- 
      Chuck Forsberg WA7KGX   caf at omen.com   www.omen.com
Developer of Industrial ZMODEM(Tm) for Embedded Applications
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