On Wed, Mar 4, 2015 at 2:40 AM, Adam Williamson <adamwill@xxxxxxxxxxxxxxxxx> wrote: > On Tue, 2015-03-03 at 17:00 -0800, Adam Williamson wrote: >> On Tue, 2015-03-03 at 04:59 -0500, Kamil Paral wrote: >> > > On Mon, 2015-03-02 at 22:46 +0000, Alexander Bisogianis wrote: >> > > > > I'm not seeing anything like that on my F22 desktop. >> > > > > >> > > > >> > > > I mean while installing F22, all four CPUs on the KVM host >> > > > (F21) are constantly at 100% usage. >> > > > >> > > > Running top in TTY2, while F22 is installing, I see: >> > > > >> > > > Xorg using constantly CPU 60%-70% >> > > > 2 anaconda processes using constantly CPU 60%-70% >> > > > >> > > > I can understand anaconda, but Xorg? >> > > >> > > IIRC there's a spinner or something similar visible during >> > > install; it could well be caused by that. I even think I caught >> > > some discussion about a patch to disable it during automated >> > > test runs or something in #anaconda the other day... >> > >> > Alexander, try running the installation with this boot option: >> > >> > inst.updates=https://kparal.fedorapeople.org/tmp/no-spinner.img >> > >> > It should disable spinner animation. Then compare the CPU usage. I >> > still haven't gotten to reporting it as a bug, but it's true that >> > the spinner seems to be a *gigantic* performance hog, making all >> > our installations take much longer, especially in VMs. >> >> Now I come to notice it, GTKSpinners don't seem to spin at all in >> TC7 and TC8. They do spin on my desktop. Not sure if there's a >> package difference or it's a KVM vs. real hardware thing, but >> they're broken with at least both 'vga' and 'qxl' in a KVM. Just >> burning a USB stick to see if it's the same on bare metal. Probably >> GTK+ 3.15.9 is involved. > > Huh, it's odder than that - GtkSpinners apparently don't spin in GNOME > on a KVM, but they *do* spin in the installer environment. That's not really a bug. There is a xsettings key "Gtk/EnableAnimations" that gets disabled if the system is using software rendering (or if it is a remote system) to improve performance. There is no "full gnome" in the installer environment so nothing disables the key but in the user session ... -- test mailing list test@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe: https://admin.fedoraproject.org/mailman/listinfo/test
