On May 27, 2014, at 9:30 PM, Gene Czarcinski <gczarcinski@xxxxxxxxx> wrote: > On 05/27/2014 12:56 AM, Chris Murphy wrote: >> On May 23, 2014, at 12:46 PM, Adam Williamson <awilliam@xxxxxxxxxx> wrote: >>> I don't really find them 'astronomically' slow any more, now that >>> slub_debug is left off most of the time. Slightly slower than regular >>> kernels, sure, but perfectly fine for testing. Is it different on your >>> setup? >> kernel-core-3.15.0-0.rc6.git0.1.fc21.x86_64 >> # systemd-analyze >> Startup finished in 905ms (kernel) + 1.445s (initrd) + 7.829s (userspace) = 10.180s >> >> kernel-core-3.15.0-0.rc6.git1.1.fc21.x86_64 >> # systemd-analyze >> Startup finished in 4.726s (kernel) + 14.750s (initrd) + 28.758s (userspace) = 48.235s >> >> kernel-core-3.15.0-0.rc6.git1.1.fc21.x86_64 with slub_debug=- >> # systemd-analyze >> Startup finished in 4.666s (kernel) + 14.890s (initrd) + 28.142s (userspace) = 47.700s >> >> And when the debug kernel is used for installing, the installs are likewise 4-5x longer. For me, it's not usable. The VM is vastly slower, and its host gets hotter and runs fans in noisy mode. >> > OK, would this "slow kernel" show itself as "long" pauses between packages when installing. I think so yes. > Also, an install for a simple LXDE desktop seems to be taking about 20 minutes. At least. > Is this a long or a good/short time? It's long. Non-debug installs are much faster. I just did a live install with a non-debug kernel that took 5 minutes. Chris Murphy -- test mailing list test@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe: https://admin.fedoraproject.org/mailman/listinfo/test