common/PrioritizedQueue: include first item's cost in dump

Signed-off-by: Sage Weil <sage@inktank.com>

diff --git a/src/common/PrioritizedQueue.h b/src/common/PrioritizedQueue.h
index e5557e608fb0edf1ab281db559e8743ddbfbde6e..ee1dc9cd0e175ed4ebaf276f763f1cd0e7599719 100644 (file)
--- a/src/common/PrioritizedQueue.h
+++ b/src/common/PrioritizedQueue.h
@@ -191,6 +191,8 @@ class PrioritizedQueue {
       f->dump_int("max_tokens", max_tokens);
       f->dump_int("size", size);
       f->dump_int("num_keys", q.size());
+      if (!empty())
+       f->dump_int("first_item_cost", front().first);
     }
   };
   map<unsigned, SubQueue> high_queue;