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https://github.com/element-hq/synapse
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A slightly neater way to manage metric collector functions
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1 changed files with 8 additions and 2 deletions
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@ -36,6 +36,7 @@ logger = logging.getLogger(__name__)
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all_metrics = []
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all_collectors = []
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class Metrics(object):
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@ -46,6 +47,9 @@ class Metrics(object):
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def __init__(self, name):
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self.name_prefix = name
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def register_collector(self, func):
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all_collectors.append(func)
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def _register(self, metric_class, name, *args, **kwargs):
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full_name = "%s_%s" % (self.name_prefix, name)
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@ -94,8 +98,8 @@ def get_metrics_for(pkg_name):
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def render_all():
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strs = []
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# TODO(paul): Internal hack
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update_resource_metrics()
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for collector in all_collectors:
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collector()
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for metric in all_metrics:
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try:
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@ -188,6 +192,8 @@ def _process_fds():
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resource_metrics = get_metrics_for("process.resource")
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resource_metrics.register_collector(update_resource_metrics)
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# msecs
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resource_metrics.register_callback("utime", lambda: rusage.ru_utime * 1000)
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resource_metrics.register_callback("stime", lambda: rusage.ru_stime * 1000)
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