ceph/ceph — pull request #1096 by xylv (2014-01-16 12:59:45+00:00)
Title: osd: Add op_process_latency in perf counters

We found that there is a need to get latency of op threads because op threads get slow during accessing LevelDB or getting/setting xattrs. There is an issue to track it: http://tracker.ceph.com/issues/7167