C++ (Cpp) latency_tracker_timeout_cb Beispiele

Beispiel #1

Datei: tracker.c Projekt: inevity/latency_tracker

static
void latency_tracker_handle_timeouts(struct latency_tracker *tracker, int flush)
{
    struct cds_wfcq_node *qnode;
    struct latency_tracker_event *s;
    u64 now;

    if (unlikely(flush))
        now = -1ULL;
    else
        now = trace_clock_monotonic_wrapper();

    for (;;) {
        if (cds_wfcq_empty(&tracker->timeout_head, &tracker->timeout_tail))
            break;
        if (likely(!flush)) {
            /* Check before dequeue. */
            qnode = &tracker->timeout_head.node;
            if (!qnode->next)
                break;
            s = caa_container_of(qnode->next,
                                 struct latency_tracker_event, timeout_node);
            if (atomic_read(&s->refcount.refcount) > 1 && s->timeout > now)
                break;
        }

        qnode = __cds_wfcq_dequeue_nonblocking(&tracker->timeout_head,
                                               &tracker->timeout_tail);
        if (!qnode)
            break;
        s = caa_container_of(qnode, struct latency_tracker_event,
                             timeout_node);
        latency_tracker_timeout_cb(s, flush);
    }

Beispiel #2

Datei: tracker.c Projekt: efficios/latency-tracker

static
void latency_tracker_handle_timeouts(struct latency_tracker *tracker, int flush)
{
	struct cds_wfcq_node *qnode;
	struct latency_tracker_event *s;
	u64 now;

	if (unlikely(flush))
		now = -1ULL;
	else
		now = trace_clock_monotonic_wrapper();

	for (;;) {
		if (cds_wfcq_empty(&tracker->timeout_head, &tracker->timeout_tail))
			break;
		if (likely(!flush)) {
			/* Check before dequeue. */
			qnode = &tracker->timeout_head.node;
			if (!qnode->next)
				break;
			s = caa_container_of(qnode->next,
					struct latency_tracker_event, u.timeout_node);
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0))
			if (refcount_read(&s->refcount.refcount) > 1 &&
					(s->start_ts + tracker->timeout) > now)
#else
			if (atomic_read(&s->refcount.refcount) > 1 &&
					(s->start_ts + tracker->timeout) > now)
#endif
				break;
		}

		qnode = __cds_wfcq_dequeue_nonblocking(&tracker->timeout_head,
				&tracker->timeout_tail);
		if (!qnode)
			break;
		s = caa_container_of(qnode, struct latency_tracker_event,
				u.timeout_node);
		latency_tracker_timeout_cb(tracker, s, flush);
	}