1*760c253cSXin Li# -*- coding: utf-8 -*- 2*760c253cSXin Li# Copyright 2019 The ChromiumOS Authors 3*760c253cSXin Li# Use of this source code is governed by a BSD-style license that can be 4*760c253cSXin Li# found in the LICENSE file. 5*760c253cSXin Li 6*760c253cSXin Li"""Tools for recording and reporting timeline of benchmark_run.""" 7*760c253cSXin Li 8*760c253cSXin Li 9*760c253cSXin Li__author__ = "[email protected] (Yunlian Jiang)" 10*760c253cSXin Li 11*760c253cSXin Liimport time 12*760c253cSXin Li 13*760c253cSXin Li 14*760c253cSXin Liclass Event(object): 15*760c253cSXin Li """One event on the timeline.""" 16*760c253cSXin Li 17*760c253cSXin Li def __init__(self, name="", cur_time=0): 18*760c253cSXin Li self.name = name 19*760c253cSXin Li self.timestamp = cur_time 20*760c253cSXin Li 21*760c253cSXin Li 22*760c253cSXin Liclass Timeline(object): 23*760c253cSXin Li """Use a dict to store the timeline.""" 24*760c253cSXin Li 25*760c253cSXin Li def __init__(self): 26*760c253cSXin Li self.events = [] 27*760c253cSXin Li 28*760c253cSXin Li def Record(self, event): 29*760c253cSXin Li for e in self.events: 30*760c253cSXin Li assert e.name != event, "The event {0} is already recorded.".format( 31*760c253cSXin Li event 32*760c253cSXin Li ) 33*760c253cSXin Li cur_event = Event(name=event, cur_time=time.time()) 34*760c253cSXin Li self.events.append(cur_event) 35*760c253cSXin Li 36*760c253cSXin Li def GetEvents(self): 37*760c253cSXin Li return [e.name for e in self.events] 38*760c253cSXin Li 39*760c253cSXin Li def GetEventDict(self): 40*760c253cSXin Li tl = {} 41*760c253cSXin Li for e in self.events: 42*760c253cSXin Li tl[e.name] = e.timestamp 43*760c253cSXin Li return tl 44*760c253cSXin Li 45*760c253cSXin Li def GetEventTime(self, event): 46*760c253cSXin Li for e in self.events: 47*760c253cSXin Li if e.name == event: 48*760c253cSXin Li return e.timestamp 49*760c253cSXin Li raise IndexError("The event {0} is not recorded".format(event)) 50*760c253cSXin Li 51*760c253cSXin Li def GetLastEventTime(self): 52*760c253cSXin Li return self.events[-1].timestamp 53*760c253cSXin Li 54*760c253cSXin Li def GetLastEvent(self): 55*760c253cSXin Li return self.events[-1].name 56