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46 lines
1.5 KiB
Python
46 lines
1.5 KiB
Python
import gc
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import platform
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from typing import Iterable
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from .metrics_core import CounterMetricFamily, Metric
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from .registry import Collector, CollectorRegistry, REGISTRY
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class GCCollector(Collector):
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"""Collector for Garbage collection statistics."""
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def __init__(self, registry: CollectorRegistry = REGISTRY):
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if not hasattr(gc, 'get_stats') or platform.python_implementation() != 'CPython':
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return
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registry.register(self)
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def collect(self) -> Iterable[Metric]:
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collected = CounterMetricFamily(
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'python_gc_objects_collected',
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'Objects collected during gc',
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labels=['generation'],
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)
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uncollectable = CounterMetricFamily(
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'python_gc_objects_uncollectable',
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'Uncollectable objects found during GC',
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labels=['generation'],
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)
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collections = CounterMetricFamily(
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'python_gc_collections',
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'Number of times this generation was collected',
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labels=['generation'],
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)
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for gen, stat in enumerate(gc.get_stats()):
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generation = str(gen)
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collected.add_metric([generation], value=stat['collected'])
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uncollectable.add_metric([generation], value=stat['uncollectable'])
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collections.add_metric([generation], value=stat['collections'])
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return [collected, uncollectable, collections]
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GC_COLLECTOR = GCCollector()
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"""Default GCCollector in default Registry REGISTRY."""
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