Jack Wang <jack.wang.usish@xxxxxxxxx> writes: > Vitaly Kuznetsov <vkuznets@xxxxxxxxxx> 于2019年10月8日周二 下午2:20写道： >> >> Nadav Amit <nadav.amit@xxxxxxxxx> writes: >> >> > Is kvm-unit-test supposed to pass on AMD machines or AMD VMs?. >> > >> >> It is supposed to but it doesn't :-) Actually, not only kvm-unit-tests >> but the whole SVM would appreciate some love ... >> >> > Clearly, I ask since they do not pass on AMD on bare-metal. >> >> On my AMD EPYC 7401P 24-Core Processor bare metal I get the following >> failures: >> >> FAIL vmware_backdoors (11 tests, 8 unexpected failures) >> >> (Why can't we just check >> /sys/module/kvm/parameters/enable_vmware_backdoor btw???) >> >> FAIL svm (15 tests, 1 unexpected failures) >> >> There is a patch for that: >> >> https://lore.kernel.org/kvm/d3eeb3b5-13d7-34d2-4ce0-fdd534f2bcc3@xxxxxxxxxx/T/#t >> > >> Are you seeing different failures? >> >> -- >> Vitaly > On my test machine AMD Opteron(tm) Processor 6386 SE, bare metal: > I got similar result: > vmware_backdoors (11 tests, 8 unexpected failures) > svm (13 tests, 1 unexpected failures), it failed on > FAIL: tsc_adjust > Latency VMRUN : max: 181451 min: 13150 avg: 13288 > Latency VMEXIT: max: 270048 min: 13455 avg: 13623 Right you are, the failing test is also 'tsc_adjust' for me, npt_rsvd_pfwalk (which Cathy fixed) is not being executed because we do '-cpu qemu64' for it. With the following: diff --git a/x86/unittests.cfg b/x86/unittests.cfg index b4865ac..5ecb9bb 100644 --- a/x86/unittests.cfg +++ b/x86/unittests.cfg @@ -198,7 +198,7 @@ arch = x86_64 [svm] file = svm.flat smp = 2 -extra_params = -cpu qemu64,+svm +extra_params = -cpu host,+svm arch = x86_64 [taskswitch] everything passes, including tsc_adjust: PASS: tsc_adjust Latency VMRUN : max: 43240 min: 3720 avg: 3830 Latency VMEXIT: max: 36300 min: 3540 avg: 3648 -- Vitaly
