DEFINE_STATIC_KEY_FALSE(kvm_arm_pmu_available);
-static unsigned int kvm_guest_state(void)
-{
- struct kvm_vcpu *vcpu = kvm_get_running_vcpu();
- unsigned int state;
-
- if (!vcpu)
- return 0;
-
- state = PERF_GUEST_ACTIVE;
- if (!vcpu_mode_priv(vcpu))
- state |= PERF_GUEST_USER;
-
- return state;
-}
-
-static unsigned long kvm_get_guest_ip(void)
-{
- struct kvm_vcpu *vcpu = kvm_get_running_vcpu();
-
- if (WARN_ON_ONCE(!vcpu))
- return 0;
-
- return *vcpu_pc(vcpu);
-}
-
-static struct perf_guest_info_callbacks kvm_guest_cbs = {
- .state = kvm_guest_state,
- .get_ip = kvm_get_guest_ip,
-};
-
void kvm_perf_init(void)
{
- perf_register_guest_info_callbacks(&kvm_guest_cbs);
+ kvm_register_perf_callbacks(NULL);
}
void kvm_perf_teardown(void)
{
- perf_unregister_guest_info_callbacks(&kvm_guest_cbs);
+ kvm_unregister_perf_callbacks();
}