1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
|
/*
* This file is part of Adblock Plus <http://adblockplus.org/>,
* Copyright (C) 2006-2014 Eyeo GmbH
*
* Adblock Plus is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* Adblock Plus is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Adblock Plus. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @fileOverview Debugging module used for load time measurements.
*/
let nestingCounter = 0;
let firstTimeStamp = null;
let lastTimeStamp = null;
let asyncActions = {__proto__: null};
/**
* Time logging module, used to measure startup time of Adblock Plus (development builds only).
* @class
*/
let TimeLine = exports.TimeLine = {
/**
* Logs an event to console together with the time it took to get there.
*/
log: function(/**String*/ message, /**Boolean*/ _forceDisplay)
{
if (!_forceDisplay && nestingCounter <= 0)
return;
let now = Date.now();
let diff = lastTimeStamp ? Math.round(now - lastTimeStamp) : "first event";
lastTimeStamp = now;
// Indent message depending on current nesting level
for (let i = 0; i < nestingCounter; i++)
message = "* " + message;
// Pad message with spaces
let padding = [];
for (let i = message.toString().length; i < 80; i++)
padding.push(" ");
dump("[" + now + "] ABP timeline: " + message + padding.join("") + "\t (" + diff + ")\n");
},
/**
* Called to indicate that application entered a block that needs to be timed.
*/
enter: function(/**String*/ message)
{
if (nestingCounter <= 0)
firstTimeStamp = Date.now();
this.log(message, true);
nestingCounter = (nestingCounter <= 0 ? 1 : nestingCounter + 1);
},
/**
* Called when application exited a block that TimeLine.enter() was called for.
* @param {String} message message to be logged
* @param {String} [asyncAction] identifier of a pending async action
*/
leave: function(message, asyncAction)
{
if (typeof asyncAction != "undefined")
message += " (async action pending)";
nestingCounter--;
this.log(message, true);
if (nestingCounter <= 0)
{
if (firstTimeStamp !== null)
dump("ABP timeline: Total time elapsed: " + Math.round(Date.now() - firstTimeStamp) + "\n");
firstTimeStamp = null;
lastTimeStamp = null;
}
if (typeof asyncAction != "undefined")
{
if (asyncAction in asyncActions)
dump("ABP timeline: Warning: Async action " + asyncAction + " already executing\n");
asyncActions[asyncAction] = {start: Date.now(), total: 0};
}
},
/**
* Called when the application starts processing of an async action.
*/
asyncStart: function(/**String*/ asyncAction)
{
if (asyncAction in asyncActions)
{
let action = asyncActions[asyncAction];
if ("currentStart" in action)
dump("ABP timeline: Warning: Processing reentered for async action " + asyncAction + "\n");
action.currentStart = Date.now();
}
else
dump("ABP timeline: Warning: Async action " + asyncAction + " is unknown\n");
},
/**
* Called when the application finishes processing of an async action.
*/
asyncEnd: function(/**String*/ asyncAction)
{
if (asyncAction in asyncActions)
{
let action = asyncActions[asyncAction];
if ("currentStart" in action)
{
action.total += Date.now() - action.currentStart;
delete action.currentStart;
}
else
dump("ABP timeline: Warning: Processing not entered for async action " + asyncAction + "\n");
}
else
dump("ABP timeline: Warning: Async action " + asyncAction + " is unknown\n");
},
/**
* Called when an async action is done and its time can be logged.
*/
asyncDone: function(/**String*/ asyncAction)
{
if (asyncAction in asyncActions)
{
let action = asyncActions[asyncAction];
let now = Date.now();
let diff = now - action.start;
if ("currentStart" in action)
dump("ABP timeline: Warning: Still processing for async action " + asyncAction + "\n");
let message = "Async action " + asyncAction + " done";
let padding = [];
for (let i = message.toString().length; i < 80; i++)
padding.push(" ");
dump("[" + now + "] ABP timeline: " + message + padding.join("") + "\t (" + action.total + "/" + diff + ")\n");
}
else
dump("ABP timeline: Warning: Async action " + asyncAction + " is unknown\n");
}
};
|