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9d7cd9b864
PR-URL: https://github.com/nodejs/node/pull/54077 Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Richard Lau <rlau@redhat.com> Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com> Reviewed-By: Marco Ippolito <marcoippolito54@gmail.com>
66 lines
2.1 KiB
JavaScript
66 lines
2.1 KiB
JavaScript
// Copyright 2023 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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// Increase the profiler sampling interval to avoid a data race between
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// interval-triggered samples and explicitly triggered samples. The goal of the
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// big interval is to avoid any interval-triggered samples.
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// Flags: --experimental-wasm-type-reflection --cpu-profiler-sampling-interval=1000000
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d8.file.execute('test/mjsunit/wasm/wasm-module-builder.js');
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let sampleCollected = false;
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function OnProfilerSampleCallback(profile) {
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profile = profile.replaceAll('\\', '/');
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profile = JSON.parse(profile);
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let wasm_to_js_index = 0;
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let js_to_wasm_index = 0;
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let fib_index = 0;
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let imp_index = 0;
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let functionNames = profile.nodes.map(n => n.callFrame.functionName);
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for (let i = 0; i < functionNames.length; ++i) {
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if (functionNames[i].startsWith('js-to-wasm')) {
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assertTrue(functionNames[i + 1].startsWith('main'));
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assertTrue(functionNames[i + 2].startsWith('wasm-to-js'));
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assertTrue(functionNames[i + 3].startsWith('imp'));
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// {sampleCollected} is set at the end because the asserts above don't
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// show up in the test runner, probably because this function is called as
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// a callback from d8.
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sampleCollected = true;
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return;
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}
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}
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assertUnreachable();
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}
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const builder = new WasmModuleBuilder();
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const sigId = builder.addType(kSig_i_i);
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const g = builder.addImportedGlobal('m', 'val', kWasmAnyFunc);
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builder.addFunction('main', sigId)
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.addBody([
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kExprLocalGet,
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0,
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kExprGlobalGet,
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g,
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kGCPrefix,
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kExprRefCast,
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sigId,
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kExprCallRef,
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sigId,
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])
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.exportFunc();
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const wasm_module = builder.toModule();
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d8.profiler.setOnProfileEndListener(OnProfilerSampleCallback);
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function imp(i) {
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d8.profiler.triggerSample();
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console.profileEnd();
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}
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const wrapped_imp =
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new WebAssembly.Function({parameters: ['i32'], results: ['i32']}, imp);
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let instance = new WebAssembly.Instance(wasm_module, {m: {val: wrapped_imp}});
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console.profile();
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instance.exports.main(3);
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assertTrue(sampleCollected);
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