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timer.py
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timer.py
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#!/usr/bin/env python
# Copyright 2012-2013 inBloom, Inc. and its affiliates.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import datetime,json
elapsed={}
started={}
class timer(object):
def __init__(self, bin):
self.bin = bin
def __call__(self, f):
def wrapped(*args,**kwds):
global elapsed
before = datetime.datetime.utcnow()
result = f(*args,**kwds)
after = datetime.datetime.utcnow()
if self.bin not in elapsed:
elapsed[self.bin] = {"time":0.0,"calls":0,"dist":[]}
elapsed[self.bin]["time"] += (after - before).total_seconds()
elapsed[self.bin]["calls"] += 1
elapsed[self.bin]["dist"].append((after - before).total_seconds())
return result
return wrapped
def start(bin):
global started
started[bin] = datetime.datetime.utcnow()
def end(bin):
global elapsed
global started
after = datetime.datetime.utcnow()
if bin not in elapsed:
elapsed[bin] = {"time":0.0,"calls":0,"dist":[]}
elapsed[bin]["time"] += (after - started[bin]).total_seconds()
elapsed[bin]["calls"] += 1
#elapsed[bin]["dist"].append((after - started[bin]).total_seconds())
del started[bin]
def profile():
return json.dumps(elapsed,indent=4,sort_keys=True)