062f8e3730All API introduced in this PR are compliant with web [performance-timeline](https://w3c.github.io/performance-timeline) spec. "performance-timeline" is listed as supported web spec in the doc https://nodejs.org/docs/latest/api/perf_hooks.html#perf_hooks_performance_measurement_apis. Changes summary: 1. Add new supported wpt test subsets: user-timing and performance-timeline. 2. Add support for `Performance.getEntries`, `Performance.getEntriesByName` and `Performance.getEntriesByType` to synchronously fetch buffered performance entries. This means the user should invoke `Performance.clearMarks` and `Performance.clearMeasures` to clear buffered entries to prevent from those entries been kept alive forever. 3. Add support (again after https://github.com/nodejs/node/pull/37136) for `buffered` flags for `PerformanceObserver`. 3. Fixes `PerformanceMark` and `PerformanceMeasure` wpt compliance issues. 4. Only user-created performance entries will be buffered globally. This behavior should be compliant with https://w3c.github.io/timing-entrytypes-registry/#registry. With the new ability to fetch user-created performance entries synchronously, the issues raised in https://github.com/nodejs/diagnostics/issues/464#issuecomment-861920116 could also be fixed. PR-URL: https://github.com/nodejs/node/pull/39297 Reviewed-By: James M Snell <jasnell@gmail.com>
58 lines
2.3 KiB
HTML
58 lines
2.3 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8" />
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<title>functionality test of window.performance.mark</title>
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<link rel="author" title="Intel" href="http://www.intel.com/" />
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<link rel="help" href="http://www.w3.org/TR/user-timing/#extensions-performance-interface"/>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="/common/performance-timeline-utils.js"></script>
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<script src="resources/webperftestharness.js"></script>
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<script src="resources/webperftestharnessextension.js"></script>
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<script>
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setup({ explicit_done: true });
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function onload_test()
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{
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const entrylist_checker = new performance_entrylist_checker('mark');
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const string_mark_names = mark_names.map(function (x) { return String(x)});
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test_equals(performance.getEntriesByType("mark").length, 0, 'There should be ' + 0 + ' marks');
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mark_names.forEach(function(name) {
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performance.mark(name);
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});
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let mark_entrylist = performance.getEntriesByType('mark');
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entrylist_checker.entrylist_check(mark_entrylist, mark_names.length, string_mark_names, 'Checking all entries.');
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for (let i = 0; i < mark_entrylist.length; ++i)
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{
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const mark_entrylist_by_name = performance.getEntriesByName(mark_entrylist[i].name, 'mark');
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entrylist_checker.entrylist_check(mark_entrylist_by_name, 1, string_mark_names,
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'First loop: checking entry of name "' + mark_entrylist[i].name + '".');
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}
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mark_names.forEach(function(name) {
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performance.mark(name);
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});
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mark_entrylist = performance.getEntriesByType('mark');
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entrylist_checker.entrylist_check(mark_entrylist, mark_names.length * 2, string_mark_names, 'Checking all doubly marked entries.');
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for (let i = 0; i < mark_entrylist.length; ++i)
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{
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const mark_entrylist_by_name = performance.getEntriesByName(mark_entrylist[i].name, 'mark');
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entrylist_checker.entrylist_check(mark_entrylist_by_name, 2, string_mark_names,
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'Second loop step ' + i + ': checking entries of name "' + mark_entrylist[i].name + '".');
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}
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done();
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}
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</script>
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</head>
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<body onload=onload_test()>
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<h1>Description</h1>
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<p>This test validates functionality of the interface window.performance.mark.</p>
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<div id="log"></div>
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</body>
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</html>
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