On Fri, Nov 22, 2019 at 9:34 PM Waldek Kozaczuk <jwkozac...@gmail.com> wrote: > > As you may have heard QEMU developers added new machine type: microvm - > https://github.com/qemu/qemu/blob/master/docs/microvm.rst. It has been merged > into master but not part of any official QEMU release. So if you want to try > you need to build QEMU from the source. > > Recently I have played with it and eventually managed to boot OSv > successfully on it after some adjustments (see some of my recent virtio code > tweaks). And the same OSv ROFS image that would boot in ~5 ms on firecracker, > can boot in only ~3ms on QEMU microvm.
Wow! This is pretty impressive! > > OSv v0.54.0-34-gccb9cd12 > Booted up in 2.91 ms > Cmdline: /hello > Hello from C code > > real 0m0.057s > user 0m0.037s > sys 0m0.020s > > and with these options: > qemu-system-x86_64 \ > -m 64M \ > -smp 1 \ > --nographic \ > -kernel ./scripts/../build/last/loader-stripped.elf \ > -append "--nopci /hello" \ > -M microvm,x-option-roms=off,pit=off,pic=off,rtc=off \ > -nodefaults \ > -no-user-config \ > -no-reboot \ > -global virtio-mmio.force-legacy=off \ > -device virtio-blk-device,id=blk0,drive=hd0,scsi=off \ > -drive file=./build/last/usr.img,if=none,id=hd0,cache=writeback,aio=threads \ > -enable-kvm \ > -cpu host,+x2apic \ > -serial stdio > > Adding 1 NIC makes it boot slower by ~1 ms: > OSv v0.54.0-34-gccb9cd12 > eth0: 192.168.122.15 > Booted up in 4.30 ms > Cmdline: /hello > Hello from C code > > Regards, > Waldek > > > -- > You received this message because you are subscribed to the Google Groups > "OSv Development" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to osv-dev+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/osv-dev/8d146284-3b04-4afb-b31d-158412e8f6fa%40googlegroups.com. -- Asias -- You received this message because you are subscribed to the Google Groups "OSv Development" group. To unsubscribe from this group and stop receiving emails from it, send an email to osv-dev+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/osv-dev/CAO1GqFZ9WFwmWFDpY9BdUSAa8tk8Hm19g4mSqmMKZz-WQmHg1A%40mail.gmail.com.
