On 6/18/14, 8:58 AM, Jiri Olsa wrote:
+ case OEQ_FLUSH__HALF:
+ {
+ struct ordered_event *first, *last;
+ struct list_head *head = &q->events;
+
+ first = list_entry(head->next, struct ordered_event, list);
+ last = q->last;
+
+ if (WARN_ONCE(!last || list_empty(head), "empty queue"))
+ return 0;
Maybe a comment that the WARN_ONCE can only happen if perf can't
allocate an ordered event the first time through?
+
+ q->next_flush = first->timestamp;
+ q->next_flush += (last->timestamp - first->timestamp) / 2;
+ break;
+ }
+
David
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
