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Add type annotations to synapse.metrics (#10847)

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Sean Quah 2021-11-17 19:07:02 +00:00 • committed by GitHub
parent d993c3bb1e
commit 84fac0f814
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12 changed files with 174 additions and 86 deletions
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synapse/metrics/jemalloc.py
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@ -16,14 +16,16 @@ import ctypes
import logging
import os
import re
from typing import Optional
from typing import Iterable, Optional
from prometheus_client import Metric
from synapse.metrics import REGISTRY, GaugeMetricFamily
logger = logging.getLogger(__name__)
def _setup_jemalloc_stats():
def _setup_jemalloc_stats() -> None:
"""Checks to see if jemalloc is loaded, and hooks up a collector to record
statistics exposed by jemalloc.
"""
@ -135,7 +137,7 @@ def _setup_jemalloc_stats():
class JemallocCollector:
"""Metrics for internal jemalloc stats."""
def collect(self):
def collect(self) -> Iterable[Metric]:
_jemalloc_refresh_stats()
g = GaugeMetricFamily(
@ -185,7 +187,7 @@ def _setup_jemalloc_stats():
logger.debug("Added jemalloc stats")
def setup_jemalloc_stats():
def setup_jemalloc_stats() -> None:
"""Try to setup jemalloc stats, if jemalloc is loaded."""
try: