diff options
Diffstat (limited to 'synapse/metrics/__init__.py')
| -rw-r--r-- | synapse/metrics/__init__.py | 94 |
1 files changed, 1 insertions, 93 deletions
diff --git a/synapse/metrics/__init__.py b/synapse/metrics/__init__.py index ba7ca0f2d4..9e6c1b2f3b 100644 --- a/synapse/metrics/__init__.py +++ b/synapse/metrics/__init__.py @@ -12,15 +12,12 @@ # See the License for the specific language governing permissions and # limitations under the License. -import functools import itertools import logging import os import platform import threading -import time from typing import ( - Any, Callable, Dict, Generic, @@ -33,7 +30,6 @@ from typing import ( Type, TypeVar, Union, - cast, ) import attr @@ -44,11 +40,9 @@ from prometheus_client.core import ( GaugeMetricFamily, ) -from twisted.internet import reactor -from twisted.internet.base import ReactorBase from twisted.python.threadpool import ThreadPool -import synapse +import synapse.metrics._reactor_metrics from synapse.metrics._exposition import ( MetricsResource, generate_latest, @@ -369,21 +363,6 @@ REGISTRY.register(CPUMetrics()) # -# Twisted reactor metrics -# - -tick_time = Histogram( - "python_twisted_reactor_tick_time", - "Tick time of the Twisted reactor (sec)", - buckets=[0.001, 0.002, 0.005, 0.01, 0.025, 0.05, 0.1, 0.2, 0.5, 1, 2, 5], -) -pending_calls_metric = Histogram( - "python_twisted_reactor_pending_calls", - "Pending calls", - buckets=[1, 2, 5, 10, 25, 50, 100, 250, 500, 1000], -) - -# # Federation Metrics # @@ -434,8 +413,6 @@ build_info.labels( " ".join([platform.system(), platform.release()]), ).set(1) -last_ticked = time.time() - # 3PID send info threepid_send_requests = Histogram( "synapse_threepid_send_requests_with_tries", @@ -483,75 +460,6 @@ def register_threadpool(name: str, threadpool: ThreadPool) -> None: ) -class ReactorLastSeenMetric: - def collect(self) -> Iterable[Metric]: - cm = GaugeMetricFamily( - "python_twisted_reactor_last_seen", - "Seconds since the Twisted reactor was last seen", - ) - cm.add_metric([], time.time() - last_ticked) - yield cm - - -REGISTRY.register(ReactorLastSeenMetric()) - -F = TypeVar("F", bound=Callable[..., Any]) - - -def runUntilCurrentTimer(reactor: ReactorBase, func: F) -> F: - @functools.wraps(func) - def f(*args: Any, **kwargs: Any) -> Any: - now = reactor.seconds() - num_pending = 0 - - # _newTimedCalls is one long list of *all* pending calls. Below loop - # is based off of impl of reactor.runUntilCurrent - for delayed_call in reactor._newTimedCalls: - if delayed_call.time > now: - break - - if delayed_call.delayed_time > 0: - continue - - num_pending += 1 - - num_pending += len(reactor.threadCallQueue) - start = time.time() - ret = func(*args, **kwargs) - end = time.time() - - # record the amount of wallclock time spent running pending calls. - # This is a proxy for the actual amount of time between reactor polls, - # since about 25% of time is actually spent running things triggered by - # I/O events, but that is harder to capture without rewriting half the - # reactor. - tick_time.observe(end - start) - pending_calls_metric.observe(num_pending) - - # Update the time we last ticked, for the metric to test whether - # Synapse's reactor has frozen - global last_ticked - last_ticked = end - - return ret - - return cast(F, f) - - -try: - # Ensure the reactor has all the attributes we expect - reactor.seconds # type: ignore - reactor.runUntilCurrent # type: ignore - reactor._newTimedCalls # type: ignore - reactor.threadCallQueue # type: ignore - - # runUntilCurrent is called when we have pending calls. It is called once - # per iteratation after fd polling. - reactor.runUntilCurrent = runUntilCurrentTimer(reactor, reactor.runUntilCurrent) # type: ignore -except AttributeError: - pass - - __all__ = [ "MetricsResource", "generate_latest", |