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A slightly neater way to manage metric collector functions

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This commit is contained in:
Paul "LeoNerd" Evans 2016-10-19 17:54:09 +01:00
parent 5663137e03
commit 4cedd53224
1 changed files with 8 additions and 2 deletions
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10
synapse/metrics/__init__.py
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@ -36,6 +36,7 @@ logger = logging.getLogger(__name__)
all_metrics = []
all_collectors = []
class Metrics(object):
@ -46,6 +47,9 @@ class Metrics(object):
def __init__(self, name):
self.name_prefix = name
def register_collector(self, func):
all_collectors.append(func)
def _register(self, metric_class, name, *args, **kwargs):
full_name = "%s_%s" % (self.name_prefix, name)
@ -94,8 +98,8 @@ def get_metrics_for(pkg_name):
def render_all():
strs = []
# TODO(paul): Internal hack
update_resource_metrics()
for collector in all_collectors:
collector()
for metric in all_metrics:
try:
@ -188,6 +192,8 @@ def _process_fds():
resource_metrics = get_metrics_for("process.resource")
resource_metrics.register_collector(update_resource_metrics)
# msecs
resource_metrics.register_callback("utime", lambda: rusage.ru_utime * 1000)
resource_metrics.register_callback("stime", lambda: rusage.ru_stime * 1000)