Hi Alex, I ran across tracker #2374 today - I've been carrying these two tracepoint patches for a while. Perhaps you'll find them useful. Jim Schutt (2): ceph: add tracepoints for message submission on read/write requests ceph: add tracepoints for message send queueing and completion, reply handling fs/ceph/addr.c | 8 +++ fs/ceph/file.c | 6 ++ include/trace/events/ceph.h | 144 +++++++++++++++++++++++++++++++++++++++++++ net/ceph/messenger.c | 9 +++- net/ceph/osd_client.c | 8 +++ 5 files changed, 174 insertions(+), 1 deletions(-) create mode 100644 include/trace/events/ceph.h -- 1.7.8.2 -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html