blob: f48b3b94dcccb331d5d98d06317dc09e043eeb2f (
plain)
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
|
/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
const { Services } = ChromeUtils.import("resource://gre/modules/Services.jsm");
function ensureProfilerInitialized() {
// Starting and stopping the profiler with the "stackwalk" flag will cause the
// profiler's stackwalking features to be synchronously initialized. This
// should prevent us from not initializing BHR quickly enough.
if (!Services.profiler.CanProfile()) {
return false;
}
let features = ["stackwalk"];
Services.profiler.StartProfiler(1000, 10, features);
Services.profiler.StopProfiler();
return true;
}
add_task(async function childCauseHang() {
if (!ensureProfilerInitialized()) {
return;
}
executeSoon(() => {
let startTime = Date.now();
// eslint-disable-next-line no-empty
while (Date.now() - startTime < 2000) {}
});
await do_await_remote_message("bhr_hangs_detected");
});
|
