0d4985d0a0
This is a reland of 6202c4458b.
Moved skipped test from 'variant == jitless' to
'lite_mode or variant == jitless'.
Original change's description:
> [inspector] Add wasm profiling test
>
> This adds a first simple test to check that CPU profiles contain wasm
> function names.
>
> R=herhut@chromium.org, kozyatinskiy@chromium.org
>
> Bug: v8:8783
> Change-Id: I26b1fd2b7ec555c073d80a464ee8a799b017b07a
> Reviewed-on: https://chromium-review.googlesource.com/c/1454597
> Commit-Queue: Clemens Hammacher <clemensh@chromium.org>
> Reviewed-by: Stephan Herhut <herhut@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#59703}
TBR=herhut@chromium.org
Bug: v8:8783
Change-Id: I4f68db86bf1caa4f0d68dd4fa227ded25bf5145a
Reviewed-on: https://chromium-review.googlesource.com/c/1477678
Reviewed-by: Clemens Hammacher <clemensh@chromium.org>
Commit-Queue: Clemens Hammacher <clemensh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#59730}
81 lines
2.6 KiB
JavaScript
81 lines
2.6 KiB
JavaScript
// Copyright 2019 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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let {session, contextGroup, Protocol} = InspectorTest.start(
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'Test that console profiles contain wasm function names.');
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utils.load('test/mjsunit/wasm/wasm-module-builder.js');
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// Add fibonacci function.
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var builder = new WasmModuleBuilder();
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builder.addFunction('fib', kSig_i_i)
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.addBody([
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kExprGetLocal, 0,
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kExprGetLocal, 0,
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kExprI32Const, 2,
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kExprI32LeS, // i < 2 ?
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kExprBrIf, 0, // --> return i
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kExprI32Const, 1, kExprI32Sub, // i - 1
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kExprCallFunction, 0, // fib(i - 1)
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kExprGetLocal, 0, kExprI32Const, 2, kExprI32Sub, // i - 2
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kExprCallFunction, 0, // fib(i - 2)
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kExprI32Add
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])
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.exportFunc();
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let module_bytes = builder.toArray();
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function compile(bytes) {
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let buffer = new ArrayBuffer(bytes.length);
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let view = new Uint8Array(buffer);
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for (var i = 0; i < bytes.length; i++) {
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view[i] = bytes[i] | 0;
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}
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let module = new WebAssembly.Module(buffer);
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let instance = new WebAssembly.Instance(module);
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return instance;
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}
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function checkError(message)
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{
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if (message.error) {
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InspectorTest.log("Error: ");
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InspectorTest.logMessage(message);
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InspectorTest.completeTest();
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}
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}
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(async function test() {
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Protocol.Profiler.enable();
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checkError(await Protocol.Profiler.start());
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let found_fib_in_profile = false;
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let finished_profiles = 0;
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Protocol.Profiler.onConsoleProfileFinished(e => {
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++finished_profiles;
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if (e.params.profile.nodes.some(n => n.callFrame.functionName === 'fib'))
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found_fib_in_profile = true;
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});
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InspectorTest.log('Compiling wasm.');
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checkError(await Protocol.Runtime.evaluate({
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expression: 'const instance = (' + compile + ')(' +
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JSON.stringify(module_bytes) + ');'
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}));
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InspectorTest.log(
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'Running fib with increasing input until it shows up in the profile.');
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for (let i = 1; !found_fib_in_profile; ++i) {
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checkError(await Protocol.Runtime.evaluate(
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{expression: 'console.profile(\'profile\');'}));
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checkError(await Protocol.Runtime.evaluate(
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{expression: 'instance.exports.fib(' + i + ');'}));
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checkError(await Protocol.Runtime.evaluate(
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{expression: 'console.profileEnd(\'profile\');'}));
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if (finished_profiles != i) {
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InspectorTest.log(
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'Missing consoleProfileFinished message (expected ' + i + ', got ' +
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finished_profiles + ')');
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}
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}
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InspectorTest.log('Found fib in profile.');
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InspectorTest.completeTest();
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})().catch(e => InspectorTest.log('caught: ' + e));
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