On Thu, Aug 6, 2015 at 1:37 PM, Marc Marí <mar...@redhat.com> wrote: > On Thu, 6 Aug 2015 13:27:16 +0100 > Stefan Hajnoczi <stefa...@gmail.com> wrote: > >> On Thu, Aug 6, 2015 at 12:00 PM, Marc Marí <mar...@redhat.com> wrote: >> > When running a Linux guest on top of QEMU, using the -kernel >> > options, this is the timing improvement for x86: >> > >> > QEMU commit 2be4f242b50a8 and SeaBIOS commit 908a58c1d5ff >> > QEMU startup time: .078 >> > BIOS startup time: .060 >> > Kernel setup time: .578 >> > Total time: .716 >> > >> > QEMU with this patch series and SeaBIOS with this patch series >> > QEMU startup time: .080 >> > BIOS startup time: .039 >> > Kernel setup time: .002 >> > Total time: .121 >> >> Impressive results! >> >> Is this a fully-featured QEMU build or did you disable things? >> >> Is this the default SeaBIOS build or did you disable things? >> > > This is the default QEMU configuration I get for my system. It's not a > fully-featured QEMU, but it has a lot of things enabled. SeaBIOS > has a default configuration (with debugging disabled).
That's great. Since SeaBIOS is a default configuration, the remaining BIOS startup time is amenable to more optimizations in the future. Stefan
