mirror of
https://git.anonymousland.org/anonymousland/synapse-product.git
synced 2024-12-22 14:25:13 -05:00
145 lines
4.7 KiB
Python
145 lines
4.7 KiB
Python
# -*- coding: utf-8 -*-
|
|
# Copyright 2016 OpenMarket Ltd
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
|
|
import logging
|
|
from functools import wraps
|
|
|
|
from prometheus_client import Counter
|
|
|
|
from twisted.internet import defer
|
|
|
|
from synapse.metrics import InFlightGauge
|
|
from synapse.util.logcontext import LoggingContext
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
block_counter = Counter("synapse_util_metrics_block_count", "", ["block_name"])
|
|
|
|
block_timer = Counter("synapse_util_metrics_block_time_seconds", "", ["block_name"])
|
|
|
|
block_ru_utime = Counter(
|
|
"synapse_util_metrics_block_ru_utime_seconds", "", ["block_name"])
|
|
|
|
block_ru_stime = Counter(
|
|
"synapse_util_metrics_block_ru_stime_seconds", "", ["block_name"])
|
|
|
|
block_db_txn_count = Counter(
|
|
"synapse_util_metrics_block_db_txn_count", "", ["block_name"])
|
|
|
|
# seconds spent waiting for db txns, excluding scheduling time, in this block
|
|
block_db_txn_duration = Counter(
|
|
"synapse_util_metrics_block_db_txn_duration_seconds", "", ["block_name"])
|
|
|
|
# seconds spent waiting for a db connection, in this block
|
|
block_db_sched_duration = Counter(
|
|
"synapse_util_metrics_block_db_sched_duration_seconds", "", ["block_name"])
|
|
|
|
# Tracks the number of blocks currently active
|
|
in_flight = InFlightGauge(
|
|
"synapse_util_metrics_block_in_flight", "",
|
|
labels=["block_name"],
|
|
sub_metrics=["real_time_max", "real_time_sum"],
|
|
)
|
|
|
|
|
|
def measure_func(name):
|
|
def wrapper(func):
|
|
@wraps(func)
|
|
@defer.inlineCallbacks
|
|
def measured_func(self, *args, **kwargs):
|
|
with Measure(self.clock, name):
|
|
r = yield func(self, *args, **kwargs)
|
|
defer.returnValue(r)
|
|
return measured_func
|
|
return wrapper
|
|
|
|
|
|
class Measure(object):
|
|
__slots__ = [
|
|
"clock", "name", "start_context", "start",
|
|
"created_context",
|
|
"start_usage",
|
|
]
|
|
|
|
def __init__(self, clock, name):
|
|
self.clock = clock
|
|
self.name = name
|
|
self.start_context = None
|
|
self.start = None
|
|
self.created_context = False
|
|
|
|
def __enter__(self):
|
|
self.start = self.clock.time()
|
|
self.start_context = LoggingContext.current_context()
|
|
if not self.start_context:
|
|
self.start_context = LoggingContext("Measure")
|
|
self.start_context.__enter__()
|
|
self.created_context = True
|
|
|
|
self.start_usage = self.start_context.get_resource_usage()
|
|
|
|
in_flight.register((self.name,), self._update_in_flight)
|
|
|
|
def __exit__(self, exc_type, exc_val, exc_tb):
|
|
if isinstance(exc_type, Exception) or not self.start_context:
|
|
return
|
|
|
|
in_flight.unregister((self.name,), self._update_in_flight)
|
|
|
|
duration = self.clock.time() - self.start
|
|
|
|
block_counter.labels(self.name).inc()
|
|
block_timer.labels(self.name).inc(duration)
|
|
|
|
context = LoggingContext.current_context()
|
|
|
|
if context != self.start_context:
|
|
logger.warn(
|
|
"Context has unexpectedly changed from '%s' to '%s'. (%r)",
|
|
self.start_context, context, self.name
|
|
)
|
|
return
|
|
|
|
if not context:
|
|
logger.warn("Expected context. (%r)", self.name)
|
|
return
|
|
|
|
current = context.get_resource_usage()
|
|
usage = current - self.start_usage
|
|
try:
|
|
block_ru_utime.labels(self.name).inc(usage.ru_utime)
|
|
block_ru_stime.labels(self.name).inc(usage.ru_stime)
|
|
block_db_txn_count.labels(self.name).inc(usage.db_txn_count)
|
|
block_db_txn_duration.labels(self.name).inc(usage.db_txn_duration_sec)
|
|
block_db_sched_duration.labels(self.name).inc(usage.db_sched_duration_sec)
|
|
except ValueError:
|
|
logger.warn(
|
|
"Failed to save metrics! OLD: %r, NEW: %r",
|
|
self.start_usage, current
|
|
)
|
|
|
|
if self.created_context:
|
|
self.start_context.__exit__(exc_type, exc_val, exc_tb)
|
|
|
|
def _update_in_flight(self, metrics):
|
|
"""Gets called when processing in flight metrics
|
|
"""
|
|
duration = self.clock.time() - self.start
|
|
|
|
metrics.real_time_max = max(metrics.real_time_max, duration)
|
|
metrics.real_time_sum += duration
|
|
|
|
# TODO: Add other in flight metrics.
|