41 lines
1.5 KiB
JavaScript
41 lines
1.5 KiB
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 kModulesPref = "logging.config.modules";
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add_task(async () => {
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Services.prefs.setStringPref(kModulesPref, "prof:5");
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registerCleanupFunction(() => {
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Services.prefs.clearUserPref(kModulesPref);
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});
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const entries = 10000;
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const interval = 1;
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const threads = ["GeckoMain"];
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const features = ["nostacksampling"];
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await Services.profiler.StartProfiler(entries, interval, features, threads);
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// We need to pause the profiler here, otherwise we get crashes.
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// This seems to be a combination of json streaming + markers from Rust.
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// See Bug 1920704 for more details.
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await Services.profiler.Pause();
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const profileData = await Services.profiler.getProfileDataAsync();
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await Services.profiler.StopProfiler();
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const { markers, stringTable } = profileData.threads[0];
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const stringIndexForLogMessages = stringTable.indexOf("LogMessages");
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Assert.greaterOrEqual(
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stringIndexForLogMessages,
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0,
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"A string index for the string LogMessages have been found."
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);
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// At least one log for the profiler json streaming operation should exist.
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// See https://searchfox.org/mozilla-central/rev/445a6e86233c733c5557ef44e1d33444adaddefc/mozglue/baseprofiler/core/platform.cpp#2015
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const logMessageMarkers = markers.data.filter(
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tuple => tuple[markers.schema.name] === stringIndexForLogMessages
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);
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Assert.greaterOrEqual(
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logMessageMarkers.length,
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0,
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"At least one log message have been found."
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);
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});
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