| from __future__ import unicode_literals |
|
|
| import gc |
| import platform |
|
|
| from .metrics_core import CounterMetricFamily |
| from .registry import REGISTRY |
|
|
|
|
| class GCCollector(object): |
| """Collector for Garbage collection statistics.""" |
|
|
| def __init__(self, registry=REGISTRY): |
| if not hasattr(gc, 'get_stats') or platform.python_implementation() != 'CPython': |
| return |
| registry.register(self) |
|
|
| def collect(self): |
| collected = CounterMetricFamily( |
| 'python_gc_objects_collected', |
| 'Objects collected during gc', |
| labels=['generation'], |
| ) |
| uncollectable = CounterMetricFamily( |
| 'python_gc_objects_uncollectable', |
| 'Uncollectable object found during GC', |
| labels=['generation'], |
| ) |
|
|
| collections = CounterMetricFamily( |
| 'python_gc_collections', |
| 'Number of times this generation was collected', |
| labels=['generation'], |
| ) |
|
|
| for generation, stat in enumerate(gc.get_stats()): |
| generation = str(generation) |
| collected.add_metric([generation], value=stat['collected']) |
| uncollectable.add_metric([generation], value=stat['uncollectable']) |
| collections.add_metric([generation], value=stat['collections']) |
|
|
| return [collected, uncollectable, collections] |
|
|
|
|
| GC_COLLECTOR = GCCollector() |
| """Default GCCollector in default Registry REGISTRY.""" |
|
|
