On 04/10/2016 16:18, Thomas Huth wrote: >>> >> Using only tcg has also some disadvantages: For some tests, it's >>> >> interesting to know whether they also work properly with KVM (e.g. >>> >> migration tests), and only using tcg by default slows down the "make >>> >> check" quite a bit - which might become an issue now that we're adding >>> >> more and more tests. >> > >> > Which tests are you seeing a slow-down for ? > Well, everything that is using accel=tcg in tests/ could be accelerated. > For example, the new ipv6/ppc64 unit test is quite slow with TCG: > > sudo QTEST_QEMU_BINARY=ppc64-softmmu/qemu-system-ppc64 time tests/pxe-test > > 48.46user 0.07system 0:48.48elapsed
Could that point to a firmware bug? 10 network-bound seconds for a boot makes some sense, but 10 CPU-bound seconds don't... Paolo
