Paul Adenot
d08316d1d4
The log marker payload field for the message text is named "message" rather than "name". The front-end searches payload fields using their key as the field-specific filter, so a field named "name" would be matched by "name:" searches alongside marker.name (the log module name). Keeping the two distinct avoids ambiguity: "name:" searches match the module name only, while "message:" searches the log text. Differential Revision: https://phabricator.services.mozilla.com/D287122
44 lines
1.5 KiB
JavaScript
44 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 kPrefName = "logging.prof";
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const kPrefValue = 5;
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add_task(async () => {
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Services.prefs.setIntPref(kPrefName, kPrefValue);
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registerCleanupFunction(() => {
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Services.prefs.clearUserPref(kPrefName);
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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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// The "prof" log module is enabled via kPrefName = "logging.prof". Profiler
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// operations (e.g. profiler_pause) emit MOZ_LOG calls to this module while
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// the profiler is active, which should appear as markers named "prof".
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const stringIndexForProf = stringTable.indexOf("prof");
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Assert.greaterOrEqual(
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stringIndexForProf,
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0,
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"A string index for the string 'prof' have been found."
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);
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const logMessageMarkers = markers.data.filter(
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tuple => tuple[markers.schema.name] === stringIndexForProf
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);
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Assert.greater(
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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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