C++ (Cpp) x86_mc_get_cpu_info示例

示例#1

文件： mce.c 项目： dzan/xenOnArm

static int mca_init_global(uint32_t flags, struct mcinfo_global *mig)
{
    uint64_t status;
    int cpu_nr;
    struct vcpu *v = current;
    struct domain *d;

    /* Set global information */
    mig->common.type = MC_TYPE_GLOBAL;
    mig->common.size = sizeof (struct mcinfo_global);
    status = mca_rdmsr(MSR_IA32_MCG_STATUS);
    mig->mc_gstatus = status;
    mig->mc_domid = mig->mc_vcpuid = -1;
    mig->mc_flags = flags;
    cpu_nr = smp_processor_id();
    /* Retrieve detector information */
    x86_mc_get_cpu_info(cpu_nr, &mig->mc_socketid,
                        &mig->mc_coreid, &mig->mc_core_threadid,
                        &mig->mc_apicid, NULL, NULL, NULL);

    /* This is really meaningless */
    if (v != NULL && ((d = v->domain) != NULL)) {
        mig->mc_domid = d->domain_id;
        mig->mc_vcpuid = v->vcpu_id;
    } else {
        mig->mc_domid = -1;
        mig->mc_vcpuid = -1;
    }

    return 0;
}

示例#2

文件： mce.c 项目： sheep/xen

static int mca_init_global(uint32_t flags, struct mcinfo_global *mig)
{
    uint64_t status;
    int cpu_nr;
    const struct vcpu *curr = current;

    /* Set global information */
    status = mca_rdmsr(MSR_IA32_MCG_STATUS);
    mig->mc_gstatus = status;
    mig->mc_domid = DOMID_INVALID;
    mig->mc_vcpuid = XEN_MC_VCPUID_INVALID;
    mig->mc_flags = flags;
    cpu_nr = smp_processor_id();
    /* Retrieve detector information */
    x86_mc_get_cpu_info(cpu_nr, &mig->mc_socketid,
                        &mig->mc_coreid, &mig->mc_core_threadid,
                        &mig->mc_apicid, NULL, NULL, NULL);

    if (curr != INVALID_VCPU) {
        mig->mc_domid = curr->domain->domain_id;
        mig->mc_vcpuid = curr->vcpu_id;
    }

    return 0;
}