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
|
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
requestLongerTimeout(10);
/**
* Test the JS Allocations feature. This is done as a browser test to ensure that
* we realistically try out how the JS allocations are running. This ensures that
* we are collecting allocations for the content process and the parent process.
*/
add_task(async function test_profile_feature_jsallocations() {
if (!AppConstants.MOZ_GECKO_PROFILER) {
return;
}
Assert.ok(
!Services.profiler.IsActive(),
"The profiler is not currently active"
);
startProfiler({ features: ["threads", "js", "jsallocations"] });
const url = BASE_URL + "do_work_500ms.html";
await BrowserTestUtils.withNewTab(url, async contentBrowser => {
const contentPid = await SpecialPowers.spawn(
contentBrowser,
[],
() => Services.appinfo.processID
);
// Wait 500ms so that the tab finishes executing.
await wait(500);
// Check that we can get some allocations when the feature is turned on.
{
const {
parentThread,
contentThread,
} = await stopProfilerNowAndGetThreads(contentPid);
Assert.greater(
getPayloadsOfType(parentThread, "JS allocation").length,
0,
"Allocations were recorded for the parent process' main thread when the " +
"JS Allocation feature was turned on."
);
Assert.greater(
getPayloadsOfType(contentThread, "JS allocation").length,
0,
"Allocations were recorded for the content process' main thread when the " +
"JS Allocation feature was turned on."
);
}
startProfiler({ features: ["threads", "js"] });
// Now reload the tab with a clean run.
gBrowser.reload();
await wait(500);
// Check that no allocations were recorded, and allocation tracking was correctly
// turned off.
{
const {
parentThread,
contentThread,
} = await stopProfilerNowAndGetThreads(contentPid);
Assert.equal(
getPayloadsOfType(parentThread, "JS allocation").length,
0,
"No allocations were recorded for the parent processes' main thread when " +
"JS allocation was not turned on."
);
Assert.equal(
getPayloadsOfType(contentThread, "JS allocation").length,
0,
"No allocations were recorded for the content processes' main thread when " +
"JS allocation was not turned on."
);
}
});
});
|
