diff options
Diffstat (limited to 'synapse/metrics')
| -rw-r--r-- | synapse/metrics/__init__.py | 28 |
1 files changed, 25 insertions, 3 deletions
diff --git a/synapse/metrics/__init__.py b/synapse/metrics/__init__.py index 429e79c472..2d2397caae 100644 --- a/synapse/metrics/__init__.py +++ b/synapse/metrics/__init__.py @@ -62,7 +62,7 @@ class LaterGauge(object): calls = self.caller() except Exception: logger.exception( - "Exception running callback for LaterGuage(%s)", + "Exception running callback for LaterGauge(%s)", self.name, ) yield g @@ -140,14 +140,15 @@ gc_time = Histogram( class GCCounts(object): def collect(self): - cm = GaugeMetricFamily("python_gc_counts", "GC cycle counts", labels=["gen"]) + cm = GaugeMetricFamily("python_gc_counts", "GC object counts", labels=["gen"]) for n, m in enumerate(gc.get_count()): cm.add_metric([str(n)], m) yield cm -REGISTRY.register(GCCounts()) +if not running_on_pypy: + REGISTRY.register(GCCounts()) # # Twisted reactor metrics @@ -190,6 +191,22 @@ event_processing_last_ts = Gauge("synapse_event_processing_last_ts", "", ["name" # finished being processed. event_processing_lag = Gauge("synapse_event_processing_lag", "", ["name"]) +last_ticked = time.time() + + +class ReactorLastSeenMetric(object): + + def collect(self): + cm = GaugeMetricFamily( + "python_twisted_reactor_last_seen", + "Seconds since the Twisted reactor was last seen", + ) + cm.add_metric([], time.time() - last_ticked) + yield cm + + +REGISTRY.register(ReactorLastSeenMetric()) + def runUntilCurrentTimer(func): @@ -222,6 +239,11 @@ def runUntilCurrentTimer(func): tick_time.observe(end - start) pending_calls_metric.observe(num_pending) + # Update the time we last ticked, for the metric to test whether + # Synapse's reactor has frozen + global last_ticked + last_ticked = end + if running_on_pypy: return ret |