diff options
Diffstat (limited to 'synapse/http')
| -rw-r--r-- | synapse/http/request_metrics.py | 31 |
1 files changed, 18 insertions, 13 deletions
diff --git a/synapse/http/request_metrics.py b/synapse/http/request_metrics.py index fedb4e6b18..62045a918b 100644 --- a/synapse/http/request_metrics.py +++ b/synapse/http/request_metrics.py @@ -39,7 +39,8 @@ outgoing_responses_counter = Counter( ) response_timer = Histogram( - "synapse_http_server_response_time_seconds", "sec", + "synapse_http_server_response_time_seconds", + "sec", ["method", "servlet", "tag", "code"], ) @@ -79,15 +80,11 @@ response_size = Counter( # than when the response was written. in_flight_requests_ru_utime = Counter( - "synapse_http_server_in_flight_requests_ru_utime_seconds", - "", - ["method", "servlet"], + "synapse_http_server_in_flight_requests_ru_utime_seconds", "", ["method", "servlet"] ) in_flight_requests_ru_stime = Counter( - "synapse_http_server_in_flight_requests_ru_stime_seconds", - "", - ["method", "servlet"], + "synapse_http_server_in_flight_requests_ru_stime_seconds", "", ["method", "servlet"] ) in_flight_requests_db_txn_count = Counter( @@ -134,7 +131,7 @@ def _get_in_flight_counts(): # type counts = {} for rm in reqs: - key = (rm.method, rm.name,) + key = (rm.method, rm.name) counts[key] = counts.get(key, 0) + 1 return counts @@ -175,7 +172,8 @@ class RequestMetrics(object): if context != self.start_context: logger.warn( "Context have unexpectedly changed %r, %r", - context, self.start_context + context, + self.start_context, ) return @@ -192,10 +190,10 @@ class RequestMetrics(object): resource_usage = context.get_resource_usage() response_ru_utime.labels(self.method, self.name, tag).inc( - resource_usage.ru_utime, + resource_usage.ru_utime ) response_ru_stime.labels(self.method, self.name, tag).inc( - resource_usage.ru_stime, + resource_usage.ru_stime ) response_db_txn_count.labels(self.method, self.name, tag).inc( resource_usage.db_txn_count @@ -222,8 +220,15 @@ class RequestMetrics(object): diff = new_stats - self._request_stats self._request_stats = new_stats - in_flight_requests_ru_utime.labels(self.method, self.name).inc(diff.ru_utime) - in_flight_requests_ru_stime.labels(self.method, self.name).inc(diff.ru_stime) + # max() is used since rapid use of ru_stime/ru_utime can end up with the + # count going backwards due to NTP, time smearing, fine-grained + # correction, or floating points. Who knows, really? + in_flight_requests_ru_utime.labels(self.method, self.name).inc( + max(diff.ru_utime, 0) + ) + in_flight_requests_ru_stime.labels(self.method, self.name).inc( + max(diff.ru_stime, 0) + ) in_flight_requests_db_txn_count.labels(self.method, self.name).inc( diff.db_txn_count |