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
|
/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
/**
* Test functionality of real time markers.
*/
const { PerformanceFront } = require("devtools/shared/fronts/performance");
add_task(function* () {
let browser = yield addTab(MAIN_DOMAIN + "doc_perf.html");
let doc = browser.contentDocument;
initDebuggerServer();
let client = new DebuggerClient(DebuggerServer.connectPipe());
let form = yield connectDebuggerClient(client);
let front = PerformanceFront(client, form);
yield front.connect();
let lastMemoryDelta = 0;
let lastTickDelta = 0;
let counters = {
markers: [],
memory: [],
ticks: []
};
let deferreds = {
markers: defer(),
memory: defer(),
ticks: defer()
};
front.on("timeline-data", handler);
let rec = yield front.startRecording({ withMarkers: true, withMemory: true, withTicks: true });
yield Promise.all(Object.keys(deferreds).map(type => deferreds[type].promise));
yield front.stopRecording(rec);
front.off("timeline-data", handler);
is(counters.markers.length, 1, "one marker event fired.");
is(counters.memory.length, 3, "three memory events fired.");
is(counters.ticks.length, 3, "three ticks events fired.");
yield front.destroy();
yield client.close();
gBrowser.removeCurrentTab();
function handler(name, data) {
if (name === "markers") {
if (counters.markers.length >= 1) { return; }
ok(data.markers[0].start, "received atleast one marker with `start`");
ok(data.markers[0].end, "received atleast one marker with `end`");
ok(data.markers[0].name, "received atleast one marker with `name`");
counters.markers.push(data.markers);
}
else if (name === "memory") {
if (counters.memory.length >= 3) { return; }
let { delta, measurement } = data;
is(typeof delta, "number", "received `delta` in memory event");
ok(delta > lastMemoryDelta, "received `delta` in memory event");
ok(measurement.total, "received `total` in memory event");
counters.memory.push({ delta, measurement });
lastMemoryDelta = delta;
}
else if (name === "ticks") {
if (counters.ticks.length >= 3) { return; }
let { delta, timestamps } = data;
ok(delta > lastTickDelta, "received `delta` in ticks event");
// Timestamps aren't guaranteed to always contain tick events, since
// they're dependent on the refresh driver, which may be blocked.
counters.ticks.push({ delta, timestamps });
lastTickDelta = delta;
}
else if (name === "frames") {
// Nothing to do here.
}
else {
ok(false, `Received unknown event: ${name}`);
}
if (name === "markers" && counters[name].length === 1 ||
name === "memory" && counters[name].length === 3 ||
name === "ticks" && counters[name].length === 3) {
deferreds[name].resolve();
}
}
});
|