Hi I'm running latest Ceph Pacific 16.2.13 with Cephfs. I need to collect performance stats per client, but getting empty list without any numbers I even run dd on client against mounted ceph fs, but output is only like this: #> ceph fs perf stats 0 4638 192.168.121.1 {"version": 2, "global_counters": ["cap_hit", "read_latency", "write_latency", "metadata_latency", "dentry_lease", "opened_files", "pinned_icaps", " opened_inodes", "read_io_sizes", "write_io_sizes", "avg_read_latency", "stdev_read_latency", "avg_write_latency", "stdev_write_latency", "avg_metada ta_latency", "stdev_metadata_latency"], "counters": [], "client_metadata": {}, "global_metrics": {}, "metrics": {"delayed_ranks": []}} Do I need to set some extra options? Does it work for some of you guys? Thank you dp