mirror of
https://git.anonymousland.org/anonymousland/synapse-product.git
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97 lines
2.9 KiB
Python
97 lines
2.9 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2016 OpenMarket Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from synapse.util.logcontext import LoggingContext
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import synapse.metrics
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import logging
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logger = logging.getLogger(__name__)
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metrics = synapse.metrics.get_metrics_for(__name__)
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block_timer = metrics.register_distribution(
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"block_timer",
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labels=["block_name"]
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)
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block_ru_utime = metrics.register_distribution(
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"block_ru_utime", labels=["block_name"]
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)
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block_ru_stime = metrics.register_distribution(
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"block_ru_stime", labels=["block_name"]
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)
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block_db_txn_count = metrics.register_distribution(
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"block_db_txn_count", labels=["block_name"]
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)
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block_db_txn_duration = metrics.register_distribution(
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"block_db_txn_duration", labels=["block_name"]
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)
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class Measure(object):
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__slots__ = [
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"clock", "name", "start_context", "start", "new_context", "ru_utime",
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"ru_stime", "db_txn_count", "db_txn_duration"
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]
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def __init__(self, clock, name):
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self.clock = clock
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self.name = name
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self.start_context = None
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self.start = None
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def __enter__(self):
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self.start = self.clock.time_msec()
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self.start_context = LoggingContext.current_context()
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self.ru_utime, self.ru_stime = self.start_context.get_resource_usage()
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self.db_txn_count = self.start_context.db_txn_count
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self.db_txn_duration = self.start_context.db_txn_duration
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def __exit__(self, exc_type, exc_val, exc_tb):
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if exc_type is not None:
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return
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duration = self.clock.time_msec() - self.start
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block_timer.inc_by(duration, self.name)
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context = LoggingContext.current_context()
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if context != self.start_context:
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logger.warn(
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"Context have unexpectedly changed from '%s' to '%s'. (%r)",
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context, self.start_context, self.name
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)
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return
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if not context:
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logger.warn("Expected context. (%r)", self.name)
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return
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ru_utime, ru_stime = context.get_resource_usage()
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block_ru_utime.inc_by(ru_utime - self.ru_utime, self.name)
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block_ru_stime.inc_by(ru_stime - self.ru_stime, self.name)
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block_db_txn_count.inc_by(context.db_txn_count - self.db_txn_count, self.name)
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block_db_txn_duration.inc_by(
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context.db_txn_duration - self.db_txn_duration, self.name
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)
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