Hi, Le Wed, 22 Aug 2007 18:46:56 +0000 (UTC), David Wuertele <dave-gmane@xxxxxxxxx> a écrit : > My 2.6.12 kernel boots to a shell in 10 seconds if the initramfs is > small (~5MB). It takes 30 seconds if the initramfs is large > (~11MB). The strange thing is that everything gets slower, even > subsystems like PCI enumeration or network device enumeration that > don't seem to have anything to do with the initramfs. > > I enabled CONFIG_PRINTK_TIME, and compared how long each step of the > boot takes. I've appended a list of the boot steps and the RATIO of > time it took to complete on the slow system versus the fast system. > For example, "F=153.9" means that between the timestamp on this > step's printk and the timestamp on the next step's printk, the slow > system took 153.9 times longer. Huh, interesting. I have absolutely no idea what could cause this. However, I think it would be interesting to know if the steps that takes longer are always the same, or whether they vary for each reboot. Thomas -- Thomas Petazzoni - thomas.petazzoni@xxxxxxxx http://{thomas,sos,kos}.enix.org - http://www.toulibre.org http://www.{livret,agenda}dulibre.org -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ
