Am Freitag, 30. September 2011, 16:52:01 schrieb Tom Gundersen: > On Fri, Sep 30, 2011 at 4:26 PM, Paolo Bonzini <bonz...@gnu.org> wrote: > > On 09/30/2011 03:39 PM, Kay Sievers wrote: > >> Sure. I just think that this is not what we really want in the end. > > > > That I agree with, but good is the enemy of perfect... > > How about this: > > Rather than making the split between / and /usr, make it between > Before and After basic.target (as basic.target is roughly what > traditionally would require files to be on /). This would require us > to associate files to be readahead with services, but based on what > you wrote in a previous message that should be easy enough. > That's what we achieved with SUSE's preload - through systemtap we got all relevant syscalls to later determine a process tree and IO done by what service. This way we could later readahead only the files of a given service before starting it.
It made a huge difference, but it was also pretty complex and fragile. Greetings, Stephan _______________________________________________ systemd-devel mailing list systemd-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/systemd-devel