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tests/arm-cpu-features: Do not assume PMU availability

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Asahi Linux supports KVM but lacks PMU support.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20240716-pmu-v3-1-8c7c1858a227@daynix.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Akihiko Odaki 2024-07-16 21:50:30 +09:00 committed by Peter Maydell
parent f103ecccb6
commit 71328d8289
1 changed files with 8 additions and 5 deletions
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13
tests/qtest/arm-cpu-features.c
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@ -509,6 +509,7 @@ static void test_query_cpu_model_expansion_kvm(const void *data)
assert_set_feature(qts, "host", "kvm-no-adjvtime", false);
if (g_str_equal(qtest_get_arch(), "aarch64")) {
bool kvm_supports_pmu;
bool kvm_supports_steal_time;
bool kvm_supports_sve;
char max_name[8], name[8];
@ -537,11 +538,6 @@ static void test_query_cpu_model_expansion_kvm(const void *data)
assert_has_feature_enabled(qts, "host", "aarch64");
/* Enabling and disabling pmu should always work. */
assert_has_feature_enabled(qts, "host", "pmu");
assert_set_feature(qts, "host", "pmu", false);
assert_set_feature(qts, "host", "pmu", true);
/*
* Some features would be enabled by default, but they're disabled
* because this instance of KVM doesn't support them. Test that the
@ -551,11 +547,18 @@ static void test_query_cpu_model_expansion_kvm(const void *data)
assert_has_feature(qts, "host", "sve");
resp = do_query_no_props(qts, "host");
kvm_supports_pmu = resp_get_feature(resp, "pmu");
kvm_supports_steal_time = resp_get_feature(resp, "kvm-steal-time");
kvm_supports_sve = resp_get_feature(resp, "sve");
vls = resp_get_sve_vls(resp);
qobject_unref(resp);
if (kvm_supports_pmu) {
/* If we have pmu then we should be able to toggle it. */
assert_set_feature(qts, "host", "pmu", false);
assert_set_feature(qts, "host", "pmu", true);
}
if (kvm_supports_steal_time) {
/* If we have steal-time then we should be able to toggle it. */
assert_set_feature(qts, "host", "kvm-steal-time", false);