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Simplify PerformanceCounters.update interface 

we already have the duration for the update, so may as well use it rather than
passing extra params around and recalculating it.
pull/5499/head
Richard van der Hoff 2019-06-19 20:58:36 +01:00
parent 68128d5626
commit f682af052d
1 changed files with 12 additions and 11 deletions
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23
synapse/storage/_base.py
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@ -167,22 +167,22 @@ class PerformanceCounters(object):
self.current_counters = {}
self.previous_counters = {}
def update(self, key, start_time, end_time=None):
if end_time is None:
end_time = time.time()
duration = end_time - start_time
def update(self, key, duration_secs):
count, cum_time = self.current_counters.get(key, (0, 0))
count += 1
cum_time += duration
cum_time += duration_secs
self.current_counters[key] = (count, cum_time)
return end_time
def interval(self, interval_duration, limit=3):
def interval(self, interval_duration_secs, limit=3):
counters = []
for name, (count, cum_time) in iteritems(self.current_counters):
prev_count, prev_time = self.previous_counters.get(name, (0, 0))
counters.append(
((cum_time - prev_time) / interval_duration, count - prev_count, name)
(
(cum_time - prev_time) / interval_duration_secs,
count - prev_count,
name,
)
)
self.previous_counters = dict(self.current_counters)
@ -362,10 +362,11 @@ class SQLBaseStore(object):
time_then = self._previous_loop_ts
self._previous_loop_ts = time_now
ratio = (curr - prev) / (time_now - time_then)
duration = time_now - time_then
ratio = (curr - prev) / duration
top_three_counters = self._txn_perf_counters.interval(
time_now - time_then, limit=3
duration, limit=3
)
perf_logger.info(
@ -453,7 +454,7 @@ class SQLBaseStore(object):
transaction_logger.debug("[TXN END] {%s} %f sec", name, duration)
self._current_txn_total_time += duration
self._txn_perf_counters.update(desc, start, end)
self._txn_perf_counters.update(desc, duration)
sql_txn_timer.labels(desc).observe(duration)
@defer.inlineCallbacks