mgr: prometheus: use nsec unit in desc for RBD _read_latency and _write_latency metrics

Fixes: https://tracker.ceph.com/issues/44321
Signed-off-by: Konstantin Shalygin <k0ste@k0ste.ru>

diff --git a/src/pybind/mgr/prometheus/module.py b/src/pybind/mgr/prometheus/module.py
index ee0607f23fd9d618fda40e380ddfe9baf20c7592..4bec5456ab102ad0c9c0b7e1eb50d11f167a4fea 100644 (file)
--- a/src/pybind/mgr/prometheus/module.py
+++ b/src/pybind/mgr/prometheus/module.py
@@ -636,9 +636,9 @@ class Module(MgrModule):
                 'read_bytes': {'type': self.PERFCOUNTER_COUNTER,
                                'desc': 'RBD image bytes read'},
                 'write_latency': {'type': self.PERFCOUNTER_LONGRUNAVG,
-                                  'desc': 'RBD image writes latency (msec)'},
+                                  'desc': 'RBD image writes latency (nsec)'},
                 'read_latency': {'type': self.PERFCOUNTER_LONGRUNAVG,
-                                 'desc': 'RBD image reads latency (msec)'},
+                                 'desc': 'RBD image reads latency (nsec)'},
             },
         }  # type: Dict[str, Any]
         global _global_instance