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Merge pull request #734 from matrix-org/erikj/measure

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Create log context in Measure if one doesn't exist
This commit is contained in:
Erik Johnston 2016-04-18 19:03:57 +01:00
commit 481119f7d6
2 changed files with 19 additions and 8 deletions
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23
synapse/util/metrics.py
View File

@ -50,7 +50,7 @@ block_db_txn_duration = metrics.register_distribution(
class Measure(object):
__slots__ = [
"clock", "name", "start_context", "start", "new_context", "ru_utime",
"ru_stime", "db_txn_count", "db_txn_duration"
"ru_stime", "db_txn_count", "db_txn_duration", "created_context"
]
def __init__(self, clock, name):
@ -58,14 +58,20 @@ class Measure(object):
self.name = name
self.start_context = None
self.start = None
self.created_context = False
def __enter__(self):
self.start = self.clock.time_msec()
self.start_context = LoggingContext.current_context()
if self.start_context:
self.ru_utime, self.ru_stime = self.start_context.get_resource_usage()
self.db_txn_count = self.start_context.db_txn_count
self.db_txn_duration = self.start_context.db_txn_duration
if not self.start_context:
logger.warn("Entered Measure without log context: %s", self.name)
self.start_context = LoggingContext("Measure")
self.start_context.__enter__()
self.created_context = True
self.ru_utime, self.ru_stime = self.start_context.get_resource_usage()
self.db_txn_count = self.start_context.db_txn_count
self.db_txn_duration = self.start_context.db_txn_duration
def __exit__(self, exc_type, exc_val, exc_tb):
if exc_type is not None or not self.start_context:
@ -91,7 +97,12 @@ class Measure(object):
block_ru_utime.inc_by(ru_utime - self.ru_utime, self.name)
block_ru_stime.inc_by(ru_stime - self.ru_stime, self.name)
block_db_txn_count.inc_by(context.db_txn_count - self.db_txn_count, self.name)
block_db_txn_count.inc_by(
context.db_txn_count - self.db_txn_count, self.name
)
block_db_txn_duration.inc_by(
context.db_txn_duration - self.db_txn_duration, self.name
)
if self.created_context:
self.start_context.__exit__(exc_type, exc_val, exc_tb)

4
tests/test_state.py
View File

@ -140,13 +140,13 @@ class StateTestCase(unittest.TestCase):
"add_event_hashes",
]
)
hs = Mock(spec=[
hs = Mock(spec_set=[
"get_datastore", "get_auth", "get_state_handler", "get_clock",
])
hs.get_datastore.return_value = self.store
hs.get_state_handler.return_value = None
hs.get_auth.return_value = Auth(hs)
hs.get_clock.return_value = MockClock()
hs.get_auth.return_value = Auth(hs)
self.state = StateHandler(hs)
self.event_id = 0