diff options
| -rw-r--r-- | tools/testing/selftests/kvm/x86_64/pmu_event_filter_test.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/tools/testing/selftests/kvm/x86_64/pmu_event_filter_test.c b/tools/testing/selftests/kvm/x86_64/pmu_event_filter_test.c index 30c1a5804210..93d77574b255 100644 --- a/tools/testing/selftests/kvm/x86_64/pmu_event_filter_test.c +++ b/tools/testing/selftests/kvm/x86_64/pmu_event_filter_test.c @@ -281,6 +281,22 @@ static uint64_t test_with_filter(struct kvm_vm *vm, return run_vm_to_sync(vm); } +static void test_amd_deny_list(struct kvm_vm *vm) +{ + uint64_t event = EVENT(0x1C2, 0); + struct kvm_pmu_event_filter *f; + uint64_t count; + + f = create_pmu_event_filter(&event, 1, KVM_PMU_EVENT_DENY); + count = test_with_filter(vm, f); + + free(f); + if (count != NUM_BRANCHES) + pr_info("%s: Branch instructions retired = %lu (expected %u)\n", + __func__, count, NUM_BRANCHES); + TEST_ASSERT(count, "Allowed PMU event is not counting"); +} + static void test_member_deny_list(struct kvm_vm *vm) { struct kvm_pmu_event_filter *f = event_filter(KVM_PMU_EVENT_DENY); @@ -463,6 +479,9 @@ int main(int argc, char *argv[]) exit(KSFT_SKIP); } + if (use_amd_pmu()) + test_amd_deny_list(vm); + test_without_filter(vm); test_member_deny_list(vm); test_member_allow_list(vm); |