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https://git.anonymousland.org/anonymousland/synapse.git
synced 2024-09-09 13:11:52 +00:00
Expose a get_resource_usage
method in Measure
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parent
937393abd8
commit
ba700074c6
@ -19,7 +19,11 @@ from typing import Any, Callable, Optional, TypeVar, cast
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from prometheus_client import Counter
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from synapse.logging.context import LoggingContext, current_context
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from synapse.logging.context import (
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ContextResourceUsage,
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LoggingContext,
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current_context,
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)
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from synapse.metrics import InFlightGauge
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logger = logging.getLogger(__name__)
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@ -104,27 +108,27 @@ class Measure:
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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._logging_context = None
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self.start = None
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def __enter__(self):
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if self._logging_context:
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raise RuntimeError("Measure() objects cannot be re-used")
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self.start = self.clock.time()
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parent_context = current_context()
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self._logging_context = LoggingContext(
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"Measure[%s]" % (self.name,), parent_context
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)
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self.start = None
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def __enter__(self) -> "Measure":
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if self.start is not None:
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raise RuntimeError("Measure() objects cannot be re-used")
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self.start = self.clock.time()
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self._logging_context.__enter__()
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in_flight.register((self.name,), self._update_in_flight)
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return self
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def __exit__(self, exc_type, exc_val, exc_tb):
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if not self._logging_context:
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if self.start is None:
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raise RuntimeError("Measure() block exited without being entered")
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duration = self.clock.time() - self.start
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usage = self._logging_context.get_resource_usage()
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usage = self.get_resource_usage()
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in_flight.unregister((self.name,), self._update_in_flight)
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self._logging_context.__exit__(exc_type, exc_val, exc_tb)
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@ -140,6 +144,13 @@ class Measure:
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except ValueError:
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logger.warning("Failed to save metrics! Usage: %s", usage)
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def get_resource_usage(self) -> ContextResourceUsage:
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"""Get the resources used within this Measure block
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If the Measure block is still active, returns the resource usage so far.
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"""
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return self._logging_context.get_resource_usage()
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def _update_in_flight(self, metrics):
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"""Gets called when processing in flight metrics
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"""
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