On Sun, Sep 7, 2008 at 3:46 PM, Harald Hoyer <harald@xxxxxxxxxx> wrote: > Davide Moretti schrieb: >> >> On my system: >> >> Without readahead: 1 minute and 30 seconds >> With readahead: 1 minute and 30 seconds >> >> Time was until gnome applet showed up, so on my system readahead did not >> improve boot speed at all. >> >> Note that there is a bug that prevents readahead-collector from starting >> if you have selinux disabled, since the /.autorelabel file is still hanging >> around during reboots, I had to remove this file for collector to work. >> >> 1) The rhgb removal is a big step forwards, rhgb slows down things a lot. >> 2) One major thing to look at I think is the initrd and udev, these take >> really a lot of time >> 3) Get rid of that sysinit stuff and start using upstart jobs, I still >> have not seen any progress on this. >> >> ---------------------------------------------------------------- >> This message was sent using IMP, the Internet Messaging Program. >> > > Can you provide a bootchart for your system? > Best would be 2, one with and one without readahead > > -- > fedora-devel-list mailing list > fedora-devel-list@xxxxxxxxxx > https://www.redhat.com/mailman/listinfo/fedora-devel-list > Incase anyone is interested now in building a custom fedora kernel but doesn't know where to start (like me a few minutes ago): http://fedoraproject.org/wiki/Docs/CustomKernel That provides all the info to customize that kernel of yours. But i do suspect that more customizing is required to get it boot in 5 seconds. probably requires adjusting the initrd image as well. -- fedora-devel-list mailing list fedora-devel-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/fedora-devel-list
