forked from mirrors/gecko-dev
815b9d372b
# ignore-this-changeset Differential Revision: https://phabricator.services.mozilla.com/D35955 --HG-- extra : source : e6571d8ed75be94bdcdef8fbd0d977bfa92f3a34 extra : intermediate-source : 1351521a4bb3f78be45cf6bf6df90b4c75a959c4
31 lines
957 B
JavaScript
31 lines
957 B
JavaScript
/* Any copyright is dedicated to the Public Domain.
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http://creativecommons.org/publicdomain/zero/1.0/ */
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const { Services } = ChromeUtils.import("resource://gre/modules/Services.jsm");
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function ensureProfilerInitialized() {
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// Starting and stopping the profiler with the "stackwalk" flag will cause the
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// profiler's stackwalking features to be synchronously initialized. This
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// should prevent us from not initializing BHR quickly enough.
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if (!Services.profiler.CanProfile()) {
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return false;
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}
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let features = ["stackwalk"];
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Services.profiler.StartProfiler(1000, 10, features);
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Services.profiler.StopProfiler();
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return true;
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}
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add_task(async function childCauseHang() {
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if (!ensureProfilerInitialized()) {
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return;
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}
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executeSoon(() => {
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let startTime = Date.now();
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// eslint-disable-next-line no-empty
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while (Date.now() - startTime < 2000) {}
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});
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await do_await_remote_message("bhr_hangs_detected");
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});
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