C++ (Cpp) vcpu_runstate_get Examples

Example #1

File: domctl.c Project: farewellkou/xen

void getdomaininfo(struct domain *d, struct xen_domctl_getdomaininfo *info)
{
    struct vcpu *v;
    u64 cpu_time = 0;
    int flags = XEN_DOMINF_blocked;
    struct vcpu_runstate_info runstate;
    
    info->domain = d->domain_id;
    info->nr_online_vcpus = 0;
    info->ssidref = 0;
    
    /* 
     * - domain is marked as blocked only if all its vcpus are blocked
     * - domain is marked as running if any of its vcpus is running
     */
    for_each_vcpu ( d, v )
    {
        vcpu_runstate_get(v, &runstate);
        cpu_time += runstate.time[RUNSTATE_running];
        info->max_vcpu_id = v->vcpu_id;
        if ( !test_bit(_VPF_down, &v->pause_flags) )
        {
            if ( !(v->pause_flags & VPF_blocked) )
                flags &= ~XEN_DOMINF_blocked;
            if ( v->is_running )
                flags |= XEN_DOMINF_running;
            info->nr_online_vcpus++;
        }
    }

Example #2

File: dom0_ops.c Project: andreiw/xen3-arm-tegra

static void getdomaininfo(struct domain *d, dom0_getdomaininfo_t *info)
{
    struct vcpu   *v;
    u64 cpu_time = 0;
    int flags = DOMFLAGS_BLOCKED;
    struct vcpu_runstate_info runstate;

    info->domain = d->domain_id;
    info->nr_online_vcpus = 0;

    /*
     * - domain is marked as blocked only if all its vcpus are blocked
     * - domain is marked as running if any of its vcpus is running
     */
    for_each_vcpu ( d, v ) {
        vcpu_runstate_get(v, &runstate);
        cpu_time += runstate.time[RUNSTATE_running];
        info->max_vcpu_id = v->vcpu_id;
        if ( !test_bit(_VCPUF_down, &v->vcpu_flags) )
        {
            if ( !(v->vcpu_flags & VCPUF_blocked) )
                flags &= ~DOMFLAGS_BLOCKED;
            if ( v->vcpu_flags & VCPUF_running )
                flags |= DOMFLAGS_RUNNING;
            info->nr_online_vcpus++;
        }
    }

Example #3

File: schedule.c Project: robhoes/xen

uint64_t get_cpu_idle_time(unsigned int cpu)
{
    struct vcpu_runstate_info state = { 0 };
    struct vcpu *v = idle_vcpu[cpu];

    if ( cpu_online(cpu) && v )
        vcpu_runstate_get(v, &state);

    return state.time[RUNSTATE_running];
}

Example #4

File: schedule.c Project: amodj/Utopia

uint64_t get_cpu_idle_time(unsigned int cpu)
{
    struct vcpu_runstate_info state;
    struct vcpu *v;

    if ( (v = idle_vcpu[cpu]) == NULL )
        return 0;

    vcpu_runstate_get(v, &state);
    return state.time[RUNSTATE_running];
}