C++ (Cpp) trace_event_get_state_dynamicの例

コード例 #1

ファイル: qmp.c プロジェクト: 01org/qemu-lite

TraceEventInfoList *qmp_trace_event_get_state(const char *name, Error **errp)
{
    TraceEventInfoList *events = NULL;
    bool found = false;
    TraceEvent *ev;

    ev = NULL;
    while ((ev = trace_event_pattern(name, ev)) != NULL) {
        TraceEventInfoList *elem = g_new(TraceEventInfoList, 1);
        elem->value = g_new(TraceEventInfo, 1);
        elem->value->name = g_strdup(trace_event_get_name(ev));
        if (!trace_event_get_state_static(ev)) {
            elem->value->state = TRACE_EVENT_STATE_UNAVAILABLE;
        } else if (!trace_event_get_state_dynamic(ev)) {
            elem->value->state = TRACE_EVENT_STATE_DISABLED;
        } else {
            elem->value->state = TRACE_EVENT_STATE_ENABLED;
        }
        elem->next = events;
        events = elem;
        found = true;
    }

    if (!found && !trace_event_is_pattern(name)) {
        error_setg(errp, "unknown event \"%s\"", name);
    }

    return events;
}

コード例 #2

ファイル: control.c プロジェクト: Acidburn0zzz/qemu

void trace_print_events(FILE *stream, fprintf_function stream_printf)
{
    TraceEventID i;

    for (i = 0; i < trace_event_count(); i++) {
        TraceEvent *ev = trace_event_id(i);
        stream_printf(stream, "%s [Event ID %u] : state %u\n",
                      trace_event_get_name(ev), i,
                      trace_event_get_state_static(ev) &&
                      trace_event_get_state_dynamic(ev));
    }
}

コード例 #3

ファイル: qmp.c プロジェクト: Pating/qemu

TraceEventInfoList *qmp_trace_event_get_state(const char *name,
                                              bool has_vcpu, int64_t vcpu,
                                              Error **errp)
{
    Error *err = NULL;
    TraceEventInfoList *events = NULL;
    TraceEvent *ev;
    bool is_pattern = trace_event_is_pattern(name);
    CPUState *cpu;

    /* Check provided vcpu */
    cpu = get_cpu(has_vcpu, vcpu, &err);
    if (err) {
        error_propagate(errp, err);
        return NULL;
    }

    /* Check events */
    if (!check_events(has_vcpu, true, is_pattern, name, errp)) {
        return NULL;
    }

    /* Get states (all errors checked above) */
    ev = NULL;
    while ((ev = trace_event_pattern(name, ev)) != NULL) {
        TraceEventInfoList *elem;
        bool is_vcpu = trace_event_is_vcpu(ev);
        if (has_vcpu && !is_vcpu) {
            continue;
        }

        elem = g_new(TraceEventInfoList, 1);
        elem->value = g_new(TraceEventInfo, 1);
        elem->value->vcpu = is_vcpu;
        elem->value->name = g_strdup(trace_event_get_name(ev));

        if (!trace_event_get_state_static(ev)) {
            elem->value->state = TRACE_EVENT_STATE_UNAVAILABLE;
        } else {
            if (has_vcpu) {
                if (is_vcpu) {
                    if (trace_event_get_vcpu_state_dynamic(cpu, ev)) {
                        elem->value->state = TRACE_EVENT_STATE_ENABLED;
                    } else {
                        elem->value->state = TRACE_EVENT_STATE_DISABLED;
                    }
                }
                /* else: already skipped above */
            } else {
                if (trace_event_get_state_dynamic(ev)) {
                    elem->value->state = TRACE_EVENT_STATE_ENABLED;
                } else {
                    elem->value->state = TRACE_EVENT_STATE_DISABLED;
                }
            }
        }
        elem->next = events;
        events = elem;
    }

    return events;
}