forked from LeenkxTeam/Kmake
68 lines
2.4 KiB
JavaScript
68 lines
2.4 KiB
JavaScript
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// Copyright 2017 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --sampling-heap-profiler-suppress-randomness
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// Flags: --no-stress-incremental-marking
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// Flags: --allow-natives-syntax
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(async function() {
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let {contextGroup, Protocol} = InspectorTest.start('Checks sampling heap profiler methods.');
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contextGroup.addScript(`
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function generateTrash() {
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var arr = new Array(100);
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for (var i = 0; i < 3000; ++i) {
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var s = {a:i, b: new Array(100).fill(42)};
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arr[i % 100] = s;
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}
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return arr[30];
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}
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%PrepareFunctionForOptimization(generateTrash);
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generateTrash();
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%OptimizeFunctionOnNextCall(generateTrash);
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generateTrash();
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//# sourceURL=test.js`);
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Protocol.HeapProfiler.enable();
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await Protocol.HeapProfiler.startSampling({
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samplingInterval: 1e4,
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includeObjectsCollectedByMajorGC: false,
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includeObjectsCollectedByMinorGC: false,
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});
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await Protocol.Runtime.evaluate({ expression: 'generateTrash()' });
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const profile1 = await Protocol.HeapProfiler.stopSampling();
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const size1 = nodeSize(profile1.result.profile.head);
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InspectorTest.log('Retained size is less than 15KB:', size1 < 15000);
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await Protocol.HeapProfiler.startSampling({
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samplingInterval: 100,
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includeObjectsCollectedByMajorGC: true,
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includeObjectsCollectedByMinorGC: false,
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});
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await Protocol.Runtime.evaluate({ expression: 'generateTrash()' });
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const profile2 = await Protocol.HeapProfiler.stopSampling();
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const size2 = nodeSize(profile2.result.profile.head);
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InspectorTest.log('Including major GC increases size:', size1 < size2);
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await Protocol.HeapProfiler.startSampling({
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samplingInterval: 100,
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includeObjectsCollectedByMajorGC: true,
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includeObjectsCollectedByMinorGC: true,
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});
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await Protocol.Runtime.evaluate({ expression: 'generateTrash()' });
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const profile3 = await Protocol.HeapProfiler.stopSampling();
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const size3 = nodeSize(profile3.result.profile.head);
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InspectorTest.log('Minor GC collected more:', size3 > size2);
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InspectorTest.log('Total allocation is greater than 100KB:', size3 > 100000);
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InspectorTest.log('Successfully finished');
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InspectorTest.completeTest();
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function nodeSize(node) {
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return node.children.reduce((res, child) => res + nodeSize(child),
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node.callFrame.functionName === 'generateTrash' ? node.selfSize : 0);
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}
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})();
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