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# -*- mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-
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# vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
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# Copyright (C) 2010 Patrick Crews
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code for dealing with timing, mostly
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we want to keep track of how long certain things
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take, so we do that here
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""" data structure to keep track of execution times """
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def __init__(self, start_time, type):
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self.start_time = start_time
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self.elapsed_time = None
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def set_stop_time(self, stop_time):
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self.stop_time = stop_time
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self.elapsed_time = self.stop_time - self.start_time
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""" keeps track of the elapsed time for various events
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and provides access to this information as needed
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def __init__(self, system_manager):
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self.skip_keys = [ 'system_manager'
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self.debug = system_manager.debug
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self.verbose = system_manager.verbose
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self.system_manager = system_manager
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self.logging = system_manager.logging
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self.time_records = {}
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def start(self, key_value, type):
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""" We create a new record to keep track of
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with the key being key_value
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We track type as a convenience. Not
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sure how useful it will be / long it
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start_time = time.time()
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self.time_records[key_value] = timeRecord(start_time, type)
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def stop(self, key_value):
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""" We stop timing for key_value, and return elapsed time """
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stop_time = time.time()
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self.time_records[key_value].set_stop_time(stop_time)
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return self.time_records[key_value].elapsed_time
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def summary_report(self):
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""" We do a bit o' reporting """
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records = self.sort_records_by_type()
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total_time = self.time_records['total_time'].elapsed_time
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for record_type in records.keys():
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if record_type != 'total_time': # skip this it would be silly
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type_total_time = self.get_total_time(records[record_type])
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self.logging.info("Spent %d / %d seconds on: %s(s)" % ( type_total_time
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def sort_records_by_type(self):
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""" We go through our records and return a dictionary
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with keys = 'type', and a list of timeRecords with that type
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for time_record in self.time_records.values():
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if time_record.type not in sorted_records:
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sorted_records[time_record.type] = [time_record]
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sorted_records[time_record.type].append(time_record)
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def get_total_time(self, record_list):
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""" We return the total elapsed time for
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all of the records in our record list
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total_elapsed_time = 0
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for record in record_list:
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total_elapsed_time = total_elapsed_time + record.elapsed_time
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return total_elapsed_time