Add metrics for psutil derived memory usage

1 files changed, 8 insertions, 1 deletions

diff --git a/synapse/metrics/__init__.py b/synapse/metrics/__init__.py

index bdd7292a30..cce3dba47c 100644
--- a/synapse/metrics/__init__.py
+++ b/synapse/metrics/__init__.py
@@ -27,7 +27,8 @@ import gc
 from twisted.internet import reactor
 
 from .metric import (
-    CounterMetric, CallbackMetric, DistributionMetric, CacheMetric
+    CounterMetric, CallbackMetric, DistributionMetric, CacheMetric,
+    MemoryUsageMetric,
 )
 
 
@@ -66,6 +67,12 @@ class Metrics(object):
         return self._register(CacheMetric, *args, **kwargs)
 
 
+def register_memory_metrics(hs):
+    metric = MemoryUsageMetric(hs)
+    all_metrics.append(metric)
+    return metric
+
+
 def get_metrics_for(pkg_name):
     """ Returns a Metrics instance for conveniently creating metrics
     namespaced with the given name prefix. """