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| author | Richard van der Hoff <richard@matrix.org> | 2018-01-11 18:17:54 +0000 |
|---|---|---|
| committer | Richard van der Hoff <richard@matrix.org> | 2018-01-16 15:53:18 +0000 |
| commit | 6324b65f08b3f8dbfee6fef0079e2a87cb1c2c85 (patch) | |
| tree | 5ffbf4b9f8cec3e9044422577eec77f4b0ab4a5f /synapse/util | |
| parent | Optimise LoggingContext creation and copying (diff) | |
| download | synapse-6324b65f08b3f8dbfee6fef0079e2a87cb1c2c85.tar.xz | |
Track db txn time in millisecs
... to reduce the amount of floating-point foo we do.
Diffstat (limited to '')
| -rw-r--r-- | synapse/util/logcontext.py | 9 | ||||
| -rw-r--r-- | synapse/util/metrics.py | 8 |
2 files changed, 11 insertions, 6 deletions
diff --git a/synapse/util/logcontext.py b/synapse/util/logcontext.py index ca71a1fc27..a78e53812f 100644 --- a/synapse/util/logcontext.py +++ b/synapse/util/logcontext.py @@ -59,7 +59,7 @@ class LoggingContext(object): __slots__ = [ "previous_context", "name", "ru_stime", "ru_utime", - "db_txn_count", "db_txn_duration", "usage_start", "usage_end", + "db_txn_count", "db_txn_duration_ms", "usage_start", "usage_end", "main_thread", "alive", "request", "tag", ] @@ -97,7 +97,10 @@ class LoggingContext(object): self.ru_stime = 0. self.ru_utime = 0. self.db_txn_count = 0 - self.db_txn_duration = 0. + + # ms spent waiting for db txns, excluding scheduling time + self.db_txn_duration_ms = 0 + self.usage_start = None self.usage_end = None self.main_thread = threading.current_thread() @@ -205,7 +208,7 @@ class LoggingContext(object): def add_database_transaction(self, duration_ms): self.db_txn_count += 1 - self.db_txn_duration += duration_ms / 1000. + self.db_txn_duration_ms += duration_ms class LoggingContextFilter(logging.Filter): diff --git a/synapse/util/metrics.py b/synapse/util/metrics.py index 8d22ff3068..d25629cc50 100644 --- a/synapse/util/metrics.py +++ b/synapse/util/metrics.py @@ -72,6 +72,7 @@ block_db_txn_count = metrics.register_counter( ), ) +# seconds spent waiting for db txns, excluding scheduling time, in this block block_db_txn_duration = metrics.register_counter( "block_db_txn_duration_seconds", labels=["block_name"], alternative_names=( @@ -95,7 +96,7 @@ def measure_func(name): class Measure(object): __slots__ = [ "clock", "name", "start_context", "start", "new_context", "ru_utime", - "ru_stime", "db_txn_count", "db_txn_duration", "created_context" + "ru_stime", "db_txn_count", "db_txn_duration_ms", "created_context" ] def __init__(self, clock, name): @@ -115,7 +116,7 @@ class Measure(object): 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 + self.db_txn_duration_ms = self.start_context.db_txn_duration_ms def __exit__(self, exc_type, exc_val, exc_tb): if isinstance(exc_type, Exception) or not self.start_context: @@ -145,7 +146,8 @@ class Measure(object): 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 + (context.db_txn_duration_ms - self.db_txn_duration_ms) / 1000., + self.name ) if self.created_context: |