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| author | Sean Christopherson <seanjc@google.com> | 2024-01-09 15:02:42 -0800 |
|---|---|---|
| committer | Sean Christopherson <seanjc@google.com> | 2024-01-30 15:29:41 -0800 |
| commit | c85e986716b03bccfec2e5a577cc1aab4f172ffd (patch) | |
| tree | 304b566b875332d3521a8bafd03e0d08e5c0a4a2 /tools/testing/selftests | |
| parent | b55e7adf633a8a13d5ede57b77509ea8fa157a56 (diff) | |
| download | linux-stable-c85e986716b03bccfec2e5a577cc1aab4f172ffd.tar.gz linux-stable-c85e986716b03bccfec2e5a577cc1aab4f172ffd.tar.bz2 linux-stable-c85e986716b03bccfec2e5a577cc1aab4f172ffd.zip | |
KVM: selftests: Add a helper to query if the PMU module param is enabled
Add a helper to probe KVM's "enable_pmu" param, open coding strings in
multiple places is just asking for false negatives and/or runtime errors
due to typos.
Reviewed-by: Dapeng Mi <dapeng1.mi@linux.intel.com>
Tested-by: Dapeng Mi <dapeng1.mi@linux.intel.com>
Link: https://lore.kernel.org/r/20240109230250.424295-23-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
Diffstat (limited to 'tools/testing/selftests')
4 files changed, 8 insertions, 3 deletions
diff --git a/tools/testing/selftests/kvm/include/x86_64/processor.h b/tools/testing/selftests/kvm/include/x86_64/processor.h index 92d4f8ecc730..ee082ae58f40 100644 --- a/tools/testing/selftests/kvm/include/x86_64/processor.h +++ b/tools/testing/selftests/kvm/include/x86_64/processor.h @@ -1217,6 +1217,11 @@ static inline uint8_t xsetbv_safe(uint32_t index, uint64_t value) bool kvm_is_tdp_enabled(void); +static inline bool kvm_is_pmu_enabled(void) +{ + return get_kvm_param_bool("enable_pmu"); +} + uint64_t *__vm_get_page_table_entry(struct kvm_vm *vm, uint64_t vaddr, int *level); uint64_t *vm_get_page_table_entry(struct kvm_vm *vm, uint64_t vaddr); diff --git a/tools/testing/selftests/kvm/x86_64/pmu_counters_test.c b/tools/testing/selftests/kvm/x86_64/pmu_counters_test.c index 4c7133ddcda8..9e9dc4084c0d 100644 --- a/tools/testing/selftests/kvm/x86_64/pmu_counters_test.c +++ b/tools/testing/selftests/kvm/x86_64/pmu_counters_test.c @@ -545,7 +545,7 @@ static void test_intel_counters(void) int main(int argc, char *argv[]) { - TEST_REQUIRE(get_kvm_param_bool("enable_pmu")); + TEST_REQUIRE(kvm_is_pmu_enabled()); TEST_REQUIRE(host_cpu_is_intel); TEST_REQUIRE(kvm_cpu_has_p(X86_PROPERTY_PMU_VERSION)); 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 7ec9fbed92e0..fa407e2ccb2f 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 @@ -867,7 +867,7 @@ int main(int argc, char *argv[]) struct kvm_vcpu *vcpu, *vcpu2 = NULL; struct kvm_vm *vm; - TEST_REQUIRE(get_kvm_param_bool("enable_pmu")); + TEST_REQUIRE(kvm_is_pmu_enabled()); TEST_REQUIRE(kvm_has_cap(KVM_CAP_PMU_EVENT_FILTER)); TEST_REQUIRE(kvm_has_cap(KVM_CAP_PMU_EVENT_MASKED_EVENTS)); diff --git a/tools/testing/selftests/kvm/x86_64/vmx_pmu_caps_test.c b/tools/testing/selftests/kvm/x86_64/vmx_pmu_caps_test.c index 2a8d4ac2f020..8ded194c5a6d 100644 --- a/tools/testing/selftests/kvm/x86_64/vmx_pmu_caps_test.c +++ b/tools/testing/selftests/kvm/x86_64/vmx_pmu_caps_test.c @@ -237,7 +237,7 @@ int main(int argc, char *argv[]) { union perf_capabilities host_cap; - TEST_REQUIRE(get_kvm_param_bool("enable_pmu")); + TEST_REQUIRE(kvm_is_pmu_enabled()); TEST_REQUIRE(kvm_cpu_has(X86_FEATURE_PDCM)); TEST_REQUIRE(kvm_cpu_has_p(X86_PROPERTY_PMU_VERSION)); |