Posts with the tag qemu

Blog post image for post qemu-fix
Oct 13, 2022 by Linus Heckemann

Make your QEMU 10 times faster with this one weird trick

NixOS uses virtual machines based on QEMU extensively for running its test suite. In order to avoid generating a disk image for every test, the test driver usually boots using a Plan 9 File Protocol (9p) share (server implemented by QEMU) for the Nix store, which contains all the programs...